Fixing fallbacks for macos Folk

Compiles fine, just stricter defaults

build.gradle.kts

@@ -1,6 +1,5 @@
-import com.volmit.nmstools.NMSToolsExtension
-import com.volmit.nmstools.NMSToolsPlugin
 import de.undercouch.gradle.tasks.download.Download
+import org.gradle.jvm.toolchain.JavaLanguageVersion
 import xyz.jpenilla.runpaper.task.RunServer
 import kotlin.system.exitProcess
 
@@ -24,19 +23,18 @@ import kotlin.system.exitProcess
 
 buildscript {
     repositories.maven("https://jitpack.io")
-    dependencies.classpath("com.github.VolmitSoftware:NMSTools:c5cbc46ce6")
+    dependencies.classpath("com.github.VolmitSoftware:NMSTools:c88961416f")
 }
 
 plugins {
     java
     `java-library`
-    alias(libs.plugins.shadow)
     alias(libs.plugins.download)
     alias(libs.plugins.runPaper)
 }
 
 group = "com.volmit"
-version = "3.7.1-1.20.1-1.21.8"
+version = "3.9.1-1.20.1-1.21.11"
 
 apply<ApiGenerator>()
 
@@ -53,41 +51,40 @@ registerCustomOutputTask("PixelFury", "C://Users/repix/workplace/Iris/1.21.3 - D
 registerCustomOutputTask("PixelFuryDev", "C://Users/repix/workplace/Iris/1.21 - Development-v3/plugins")
 // ========================== UNIX ==============================
 registerCustomOutputTaskUnix("CyberpwnLT", "/Users/danielmills/development/server/plugins")
-registerCustomOutputTaskUnix("PsychoLT", "/Users/brianfopiano/Developer/RemoteGit/Server/plugins")
+registerCustomOutputTaskUnix("PsychoLT", "/Users/brianfopiano/Developer/RemoteGit/[Minecraft Server]/plugins")
 registerCustomOutputTaskUnix("PixelMac", "/Users/test/Desktop/mcserver/plugins")
 registerCustomOutputTaskUnix("CrazyDev22LT", "/home/julian/Desktop/server/plugins")
 // ==============================================================
 
-val serverMinHeap = "2G"
-val serverMaxHeap = "8G"
+val serverMinHeap = "10G"
+val serverMaxHeap = "10G"
+val additionalFlags = "-XX:+AlwaysPreTouch"
 //Valid values are: none, truecolor, indexed256, indexed16, indexed8
 val color = "truecolor"
-val errorReporting = false
+val errorReporting = "true" == findProperty("errorReporting")
 
 val nmsBindings = mapOf(
-        "v1_21_R5" to "1.21.7-R0.1-SNAPSHOT",
-        "v1_21_R4" to "1.21.5-R0.1-SNAPSHOT",
-        "v1_21_R3" to "1.21.4-R0.1-SNAPSHOT",
-        "v1_21_R2" to "1.21.3-R0.1-SNAPSHOT",
-        "v1_21_R1" to "1.21.1-R0.1-SNAPSHOT",
-        "v1_20_R4" to "1.20.6-R0.1-SNAPSHOT",
-        "v1_20_R3" to "1.20.4-R0.1-SNAPSHOT",
-        "v1_20_R2" to "1.20.2-R0.1-SNAPSHOT",
-        "v1_20_R1" to "1.20.1-R0.1-SNAPSHOT",
+    "v1_21_R7" to "1.21.11-R0.1-SNAPSHOT",
+    "v1_21_R6" to "1.21.10-R0.1-SNAPSHOT",
+    "v1_21_R5" to "1.21.8-R0.1-SNAPSHOT",
+    "v1_21_R4" to "1.21.5-R0.1-SNAPSHOT",
+    "v1_21_R3" to "1.21.4-R0.1-SNAPSHOT",
+    "v1_21_R2" to "1.21.3-R0.1-SNAPSHOT",
+    "v1_21_R1" to "1.21.1-R0.1-SNAPSHOT",
+    "v1_20_R4" to "1.20.6-R0.1-SNAPSHOT",
+    "v1_20_R3" to "1.20.4-R0.1-SNAPSHOT",
+    "v1_20_R2" to "1.20.2-R0.1-SNAPSHOT",
+    "v1_20_R1" to "1.20.1-R0.1-SNAPSHOT",
 )
 val jvmVersion = mapOf<String, Int>()
-nmsBindings.forEach { key, value ->
+nmsBindings.forEach { (key, value) ->
     project(":nms:$key") {
         apply<JavaPlugin>()
-        apply<NMSToolsPlugin>()
 
-        repositories {
-            maven("https://libraries.minecraft.net")
-        }
-
-        extensions.configure(NMSToolsExtension::class) {
+        nmsBinding {
             jvm = jvmVersion.getOrDefault(key, 21)
             version = value
+            type = NMSBinding.Type.DIRECT
         }
 
         dependencies {
@@ -105,22 +102,30 @@ nmsBindings.forEach { key, value ->
         pluginJars(tasks.jar.flatMap { it.archiveFile })
         javaLauncher = javaToolchains.launcherFor { languageVersion = JavaLanguageVersion.of(jvmVersion.getOrDefault(key, 21))}
         runDirectory.convention(layout.buildDirectory.dir("run/$key"))
-        systemProperty("disable.watchdog", "")
+        systemProperty("disable.watchdog", "true")
         systemProperty("net.kyori.ansi.colorLevel", color)
         systemProperty("com.mojang.eula.agree", true)
         systemProperty("iris.suppressReporting", !errorReporting)
         jvmArgs("-javaagent:${project(":core:agent").tasks.jar.flatMap { it.archiveFile }.get().asFile.absolutePath}")
+        jvmArgs(additionalFlags.split(' '))
     }
 }
 
+val included: Configuration by configurations.creating
+val jarJar: Configuration by configurations.creating
+dependencies {
+    for (key in nmsBindings.keys) {
+        included(project(":nms:$key", "reobf"))
+    }
+    included(project(":core", "shadow"))
+    jarJar(project(":core:agent"))
+}
+
 tasks {
     jar {
+        inputs.files(included)
         duplicatesStrategy = DuplicatesStrategy.EXCLUDE
-        nmsBindings.forEach { key, _ ->
-            from(project(":nms:$key").tasks.named("remap").map { zipTree(it.outputs.files.singleFile) })
-        }
-        from(project(":core").tasks.shadowJar.flatMap { it.archiveFile }.map { zipTree(it) })
-        from(project(":core:agent").tasks.jar.flatMap { it.archiveFile })
+        from(jarJar, provider { included.resolve().map(::zipTree) })
         archiveFileName.set("Iris-${project.version}.jar")
     }
 
@@ -183,6 +188,12 @@ configurations.configureEach {
 allprojects {
     apply<JavaPlugin>()
 
+    java {
+        toolchain {
+            languageVersion.set(JavaLanguageVersion.of(21))
+        }
+    }
+
     repositories {
         mavenCentral()
         maven("https://repo.papermc.io/repository/maven-public/")
@@ -230,14 +241,14 @@ allprojects {
     }
 }
 
-if (JavaVersion.current().toString() != "21") {
+if (!JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_21)) {
     System.err.println()
     System.err.println("=========================================================================================================")
-    System.err.println("You must run gradle on Java 21. You are using " + JavaVersion.current())
+    System.err.println("You must run gradle on Java 21 or newer. You are using " + JavaVersion.current())
     System.err.println()
     System.err.println("=== For IDEs ===")
-    System.err.println("1. Configure the project for Java 21")
-    System.err.println("2. Configure the bundled gradle to use Java 21 in settings")
+    System.err.println("1. Configure the project for Java 21 toolchain")
+    System.err.println("2. Configure the bundled gradle to use Java 21+ in settings")
     System.err.println()
     System.err.println("=== For Command Line (gradlew) ===")
     System.err.println("1. Install JDK 21 from https://www.oracle.com/java/technologies/javase/jdk21-archive-downloads.html")

buildSrc/build.gradle.kts

@@ -1,11 +1,32 @@
+import org.gradle.jvm.toolchain.JavaLanguageVersion
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 plugins {
-    kotlin("jvm") version "2.0.20"
+    kotlin("jvm") version embeddedKotlinVersion
+}
+
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(21))
+    }
+}
+
+kotlin {
+    jvmToolchain(21)
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_21)
+    }
 }
 
 repositories {
     mavenCentral()
+    gradlePluginPortal()
+    maven("https://jitpack.io")
 }
 
 dependencies {
     implementation("org.ow2.asm:asm:9.8")
-}
+    implementation("com.github.VolmitSoftware:NMSTools:c88961416f")
+    implementation("io.papermc.paperweight:paperweight-userdev:2.0.0-beta.18")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
+}

buildSrc/src/main/kotlin/NMSBinding.kt

@@ -0,0 +1,182 @@
+import NMSBinding.Type
+import com.volmit.nmstools.NMSToolsExtension
+import com.volmit.nmstools.NMSToolsPlugin
+import io.papermc.paperweight.userdev.PaperweightUser
+import io.papermc.paperweight.userdev.PaperweightUserDependenciesExtension
+import io.papermc.paperweight.userdev.PaperweightUserExtension
+import io.papermc.paperweight.userdev.attribute.Obfuscation
+import io.papermc.paperweight.util.constants.REOBF_CONFIG
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import org.gradle.api.*
+import org.gradle.api.attributes.Bundling
+import org.gradle.api.attributes.Category
+import org.gradle.api.attributes.LibraryElements
+import org.gradle.api.attributes.Usage
+import org.gradle.api.model.ObjectFactory
+import org.gradle.api.plugins.JavaPluginExtension
+import org.gradle.api.tasks.TaskAction
+import org.gradle.internal.extensions.core.extra
+import org.gradle.jvm.toolchain.JavaLanguageVersion
+import org.gradle.jvm.toolchain.JavaToolchainService
+import org.gradle.work.DisableCachingByDefault
+import java.io.RandomAccessFile
+import javax.inject.Inject
+
+class NMSBinding : Plugin<Project> {
+    override fun apply(target: Project): Unit = with(target) {
+        val config = extra["nms"] as? Config ?: throw GradleException("No NMS binding configuration found")
+        val jvm = config.jvm
+        val type = config.type
+
+        if (type == Type.USER_DEV) {
+            plugins.apply(PaperweightUser::class.java)
+            dependencies.extensions.findByType(PaperweightUserDependenciesExtension::class.java)
+                ?.paperDevBundle(config.version)
+
+            val java = extensions.findByType(JavaPluginExtension::class.java) ?: throw GradleException("Java plugin not found")
+            java.toolchain.languageVersion.set(JavaLanguageVersion.of(jvm))
+
+            val javaToolchains = project.extensions.getByType(JavaToolchainService::class.java) ?: throw GradleException("Java toolchain service not found")
+            extensions.configure(PaperweightUserExtension::class.java) {
+                it.javaLauncher.set(javaToolchains.launcherFor(java.toolchain))
+            }
+        } else {
+            extra["nmsTools.useBuildTools"] = type == Type.BUILD_TOOLS
+            plugins.apply(NMSToolsPlugin::class.java)
+            extensions.configure(NMSToolsExtension::class.java) {
+                it.jvm.set(jvm)
+                it.version.set(config.version)
+            }
+
+            configurations.register(REOBF_CONFIG) { conf ->
+                conf.isCanBeConsumed = true
+                conf.isCanBeResolved = false
+                conf.attributes {
+                    it.attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage.JAVA_RUNTIME))
+                    it.attribute(Category.CATEGORY_ATTRIBUTE, objects.named(Category.LIBRARY))
+                    it.attribute(LibraryElements.LIBRARY_ELEMENTS_ATTRIBUTE, objects.named(LibraryElements.JAR))
+                    it.attribute(Bundling.BUNDLING_ATTRIBUTE, objects.named(Bundling.EXTERNAL))
+                    it.attribute(Obfuscation.OBFUSCATION_ATTRIBUTE, objects.named(Obfuscation.OBFUSCATED))
+                }
+                conf.outgoing.artifact(tasks.named("remap"))
+            }
+        }
+
+        val (major, minor) = config.version.parseVersion()
+        if (major <= 20 && minor <= 4) return@with
+        tasks.register("convert", ConversionTask::class.java, type)
+        tasks.named("compileJava") { it.dependsOn("convert") }
+        rootProject.tasks.named("prepareKotlinBuildScriptModel") { it.dependsOn("$path:convert") }
+    }
+
+    @DisableCachingByDefault
+    abstract class ConversionTask @Inject constructor(type: Type) : DefaultTask() {
+        private val pattern: Regex
+        private val replacement: String
+
+        init {
+            group = "nms"
+            inputs.property("type", type)
+            val java = project.extensions.findByType(JavaPluginExtension::class.java) ?: throw GradleException("Java plugin not found")
+            val source = java.sourceSets.named("main").map { it.allJava }
+            inputs.files(source)
+            outputs.files(source)
+
+            if (type == Type.USER_DEV) {
+                pattern = "org\\.bukkit\\.craftbukkit\\.${project.name}".toRegex()
+                replacement = "org.bukkit.craftbukkit"
+            } else {
+                pattern = "org\\.bukkit\\.craftbukkit\\.(?!${project.name})".toRegex()
+                replacement = "org.bukkit.craftbukkit.${project.name}."
+            }
+        }
+
+        @TaskAction
+        fun process() {
+            val dispatcher = Dispatchers.IO.limitedParallelism(16)
+            runBlocking {
+                for (file in inputs.files) {
+                    if (file.extension !in listOf("java"))
+                        continue
+
+                    launch(dispatcher) {
+                        val output = ArrayList<String>()
+                        var changed = false
+
+                        file.bufferedReader().use {
+                            for (line in it.lines()) {
+                                if (line.startsWith("package") || line.isBlank()) {
+                                    output += line
+                                    continue
+                                }
+
+                                if (!line.startsWith("import")) {
+                                    if (!changed) return@launch
+                                    else {
+                                        output += line
+                                        continue
+                                    }
+                                }
+
+                                if (!line.contains(pattern)) {
+                                    output += line
+                                    continue
+                                }
+
+                                output += line.replace(pattern, replacement)
+                                changed = true
+                            }
+                        }
+
+                        if (changed) {
+                            RandomAccessFile(file, "r").use { raf ->
+                                val bytes = ByteArray(NEW_LINE_BYTES.size)
+                                raf.seek(raf.length() - bytes.size)
+                                raf.readFully(bytes)
+                                if (bytes.contentEquals(NEW_LINE_BYTES))
+                                    output += ""
+                            }
+
+                            file.writer().use {
+                                val iterator = output.iterator()
+                                while (iterator.hasNext()) {
+                                    it.append(iterator.next())
+                                    if (iterator.hasNext())
+                                        it.append(NEW_LINE)
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    enum class Type {
+        USER_DEV,
+        BUILD_TOOLS,
+        DIRECT,
+    }
+}
+
+private val NEW_LINE = System.lineSeparator()
+private val NEW_LINE_BYTES = NEW_LINE.encodeToByteArray()
+private fun String.parseVersion() = substringBefore('-').split(".").let {
+    it[1].toInt() to it[2].toInt()
+}
+
+class Config(
+    var jvm: Int = 21,
+    var type: Type = Type.DIRECT
+) {
+    lateinit var version: String
+}
+
+fun Project.nmsBinding(action: Config.() -> Unit) {
+    extra["nms"] = Config().apply(action)
+    plugins.apply(NMSBinding::class.java)
+}
+
+private inline fun <reified T : Named> ObjectFactory.named(name: String): T = named(T::class.java, name)

core/build.gradle.kts

@@ -1,6 +1,8 @@
 import io.github.slimjar.func.slimjarHelper
 import io.github.slimjar.resolver.data.Mirror
 import org.ajoberstar.grgit.Grgit
+import org.gradle.jvm.toolchain.JavaLanguageVersion
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import java.net.URI
 
 /*
@@ -28,6 +30,8 @@ plugins {
     alias(libs.plugins.sentry)
     alias(libs.plugins.slimjar)
     alias(libs.plugins.grgit)
+    alias(libs.plugins.kotlin.jvm)
+    alias(libs.plugins.kotlin.lombok)
 }
 
 val apiVersion = "1.19"
@@ -81,6 +85,7 @@ dependencies {
     slim(libs.commons.io)
     slim(libs.commons.lang)
     slim(libs.commons.lang3)
+    slim(libs.commons.math3)
     slim(libs.oshi)
     slim(libs.lz4)
     slim(libs.fastutil)
@@ -88,19 +93,41 @@ dependencies {
     slim(libs.zip)
     slim(libs.gson)
     slim(libs.asm)
-    slim(libs.bsf)
-    slim(libs.rhino)
     slim(libs.caffeine)
     slim(libs.byteBuddy.core)
     slim(libs.byteBuddy.agent)
+    slim(libs.dom4j)
+    slim(libs.jaxen)
+
+    // Script Engine
+    slim(libs.kotlin.stdlib)
+    slim(libs.kotlin.coroutines)
+    slim(libs.kotlin.scripting.common)
+    slim(libs.kotlin.scripting.jvm)
+    slim(libs.kotlin.scripting.jvm.host)
+    slim(libs.kotlin.scripting.dependencies.maven) {
+        constraints {
+            slim(libs.mavenCore)
+        }
+    }
 }
 
 java {
     disableAutoTargetJvm()
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(21))
+    }
+}
+
+kotlin {
+    jvmToolchain(21)
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_21)
+    }
 }
 
 sentry {
-    url = "http://sentry.volmit.com:8080/"
+    url = "http://sentry.volmit.com:8080"
     autoInstallation.enabled = false
     includeSourceContext = true
 
@@ -120,6 +147,14 @@ slimJar {
     relocate("net.kyori", "$lib.kyori")
     relocate("org.bstats", "$lib.metrics")
     relocate("io.sentry", "$lib.sentry")
+    relocate("org.apache.maven", "$lib.maven")
+    relocate("org.codehaus.plexus", "$lib.plexus")
+    relocate("org.eclipse.sisu", "$lib.sisu")
+    relocate("org.eclipse.aether", "$lib.aether")
+    relocate("com.google.inject", "$lib.guice")
+    relocate("org.dom4j", "$lib.dom4j")
+    relocate("org.jaxen", "$lib.jaxen")
+    relocate("com.github.benmanes.caffeine", "$lib.caffeine")
 }
 
 tasks {
@@ -140,15 +175,6 @@ tasks {
             "version" to rootProject.version,
             "apiVersion" to apiVersion,
             "main" to main,
-            "environment" to if (project.hasProperty("release")) "production" else "development",
-            "commit" to provider {
-                val res = runCatching { project.extensions.getByType<Grgit>().head().id }
-                res.getOrDefault("")
-                    .takeIf { it.length == 40 } ?: {
-                    logger.error("Git commit hash not found", res.exceptionOrNull())
-                    "unknown"
-                }()
-            },
         )
         filesMatching("**/plugin.yml") {
             expand(inputs.properties)
@@ -161,11 +187,45 @@ tasks {
         relocate("io.github.slimjar", "$lib.slimjar")
         exclude("modules/loader-agent.isolated-jar")
     }
+
+    sentryCollectSourcesJava {
+        dependsOn(generateTemplates)
+    }
 }
 
-/**
- * Gradle is weird sometimes, we need to delete the plugin yml from the build folder to actually filter properly.
- */
-afterEvaluate {
-    layout.buildDirectory.file("resources/main/plugin.yml").get().asFile.delete()
-}
+val templateSource = file("src/main/templates")
+val templateDest = layout.buildDirectory.dir("generated/sources/templates")!!
+val generateTemplates = tasks.register<Copy>("generateTemplates") {
+    inputs.properties(
+        "environment" to when {
+            project.hasProperty("release") -> "production"
+            project.hasProperty("argghh") -> "Argghh!"
+            else -> "development"
+        },
+        "commit" to provider {
+            val res = runCatching { project.extensions.getByType<Grgit>().head().id }
+            res.getOrDefault("")
+                .takeIf { it.length == 40 } ?: run {
+                this.logger.error("Git commit hash not found", res.exceptionOrNull())
+                "unknown"
+            }
+        },
+    )
+
+    from(templateSource)
+    into(templateDest)
+    rename { "com/volmit/iris/$it" }
+    expand(inputs.properties)
+}
+
+tasks.generateSentryBundleIdJava {
+    dependsOn(generateTemplates)
+}
+
+rootProject.tasks.named("prepareKotlinBuildScriptModel") {
+    dependsOn(generateTemplates)
+}
+
+sourceSets.main {
+    java.srcDir(generateTemplates.map { it.outputs })
+}

core/src/main/java/com/volmit/iris/Iris.java

@@ -28,7 +28,6 @@ import com.volmit.iris.core.link.IrisPapiExpansion;
 import com.volmit.iris.core.link.MultiverseCoreLink;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.nms.INMS;
-import com.volmit.iris.core.nms.v1X.NMSBinding1X;
 import com.volmit.iris.core.pregenerator.LazyPregenerator;
 import com.volmit.iris.core.service.StudioSVC;
 import com.volmit.iris.core.tools.IrisToolbelt;
@@ -43,7 +42,6 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.exceptions.IrisException;
 import com.volmit.iris.util.format.C;
-import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.function.NastyRunnable;
 import com.volmit.iris.util.io.FileWatcher;
 import com.volmit.iris.util.io.IO;
@@ -53,11 +51,11 @@ import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.misc.Bindings;
 import com.volmit.iris.util.misc.SlimJar;
-import com.volmit.iris.util.misc.getHardware;
 import com.volmit.iris.util.parallel.MultiBurst;
 import com.volmit.iris.util.plugin.IrisService;
 import com.volmit.iris.util.plugin.VolmitPlugin;
 import com.volmit.iris.util.plugin.VolmitSender;
+import com.volmit.iris.util.plugin.chunk.ChunkTickets;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.Queue;
 import com.volmit.iris.util.scheduling.ShurikenQueue;
@@ -83,9 +81,6 @@ import java.util.function.Predicate;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import static com.volmit.iris.core.safeguard.IrisSafeguard.*;
-import static com.volmit.iris.core.safeguard.ServerBootSFG.passedserversoftware;
-
 @SuppressWarnings("CanBeFinal")
 public class Iris extends VolmitPlugin implements Listener {
     private static final Queue<Runnable> syncJobs = new ShurikenQueue<>();
@@ -95,7 +90,9 @@ public class Iris extends VolmitPlugin implements Listener {
     public static MultiverseCoreLink linkMultiverseCore;
     public static IrisCompat compat;
     public static FileWatcher configWatcher;
+    public static ChunkTickets tickets;
     private static VolmitSender sender;
+    private static Thread shutdownHook;
 
     static {
         try {
@@ -305,9 +302,6 @@ public class Iris extends VolmitPlugin implements Listener {
     public static void info(String format, Object... args) {
         msg(C.WHITE + String.format(format, args));
     }
-    public static void safeguard(String format, Object... args) {
-        msg(C.RESET + String.format(format, args));
-    }
 
     @SuppressWarnings("deprecation")
     public static void later(NastyRunnable object) {
@@ -417,6 +411,7 @@ public class Iris extends VolmitPlugin implements Listener {
                 pw.println();
                 pw.println();
             }
+            pw.println("[%%__USER__%%,%%__RESOURCE__%%,%%__PRODUCT__%%,%%__BUILTBYBIT__%%]");
 
             pw.close();
             Iris.info("DUMPED! See " + fi.getAbsolutePath());
@@ -446,15 +441,16 @@ public class Iris extends VolmitPlugin implements Listener {
         IO.delete(new File("iris"));
         compat = IrisCompat.configured(getDataFile("compat.json"));
         ServerConfigurator.configure();
-        IrisSafeguard.IrisSafeguardSystem();
+        IrisSafeguard.execute();
         getSender().setTag(getTag());
-        IrisSafeguard.splash(true);
+        IrisSafeguard.splash();
+        tickets = new ChunkTickets();
         linkMultiverseCore = new MultiverseCoreLink();
         configWatcher = new FileWatcher(getDataFile("settings.json"));
         services.values().forEach(IrisService::onEnable);
         services.values().forEach(this::registerListener);
+        addShutdownHook();
         J.s(() -> {
-            J.a(IrisSafeguard::suggestPaper);
             J.a(() -> IO.delete(getTemp()));
             J.a(LazyPregenerator::loadLazyGenerators, 100);
             J.a(this::bstats);
@@ -462,7 +458,6 @@ public class Iris extends VolmitPlugin implements Listener {
             J.sr(this::tickQueue, 0);
             J.s(this::setupPapi);
             J.a(ServerConfigurator::configure, 20);
-            IrisSafeguard.splash(false);
 
             autoStartStudio();
             checkForBukkitWorlds(s -> true);
@@ -471,6 +466,24 @@ public class Iris extends VolmitPlugin implements Listener {
         });
     }
 
+    public void addShutdownHook() {
+        if (shutdownHook != null) {
+            Runtime.getRuntime().removeShutdownHook(shutdownHook);
+        }
+        shutdownHook = new Thread(() -> {
+            Bukkit.getWorlds()
+                    .stream()
+                    .map(IrisToolbelt::access)
+                    .filter(Objects::nonNull)
+                    .forEach(PlatformChunkGenerator::close);
+
+            MultiBurst.burst.close();
+            MultiBurst.ioBurst.close();
+            services.clear();
+        });
+        Runtime.getRuntime().addShutdownHook(shutdownHook);
+    }
+
     public void checkForBukkitWorlds(Predicate<String> filter) {
         try {
             IrisWorlds.readBukkitWorlds().forEach((s, generator) -> {
@@ -506,9 +519,10 @@ public class Iris extends VolmitPlugin implements Listener {
                 Player r = new KList<>(getServer().getOnlinePlayers()).getRandom();
                 Iris.service(StudioSVC.class).open(r != null ? new VolmitSender(r) : getSender(), 1337, IrisSettings.get().getGenerator().getDefaultWorldType(), (w) -> {
                     J.s(() -> {
+                        var spawn = w.getSpawnLocation();
                         for (Player i : getServer().getOnlinePlayers()) {
                             i.setGameMode(GameMode.SPECTATOR);
-                            i.teleport(new Location(w, 0, 200, 0));
+                            i.teleport(spawn);
                         }
                     });
                 });
@@ -537,27 +551,17 @@ public class Iris extends VolmitPlugin implements Listener {
         enable();
         super.onEnable();
         Bukkit.getPluginManager().registerEvents(this, this);
-        setupChecks();
     }
 
     public void onDisable() {
+        if (IrisSafeguard.isForceShutdown()) return;
         services.values().forEach(IrisService::onDisable);
         Bukkit.getScheduler().cancelTasks(this);
         HandlerList.unregisterAll((Plugin) this);
         postShutdown.forEach(Runnable::run);
         super.onDisable();
 
-        J.attempt(new JarScanner(instance.getJarFile(), "", false)::scan);
-        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
-            Bukkit.getWorlds()
-                    .stream()
-                    .map(IrisToolbelt::access)
-                    .filter(Objects::nonNull)
-                    .forEach(PlatformChunkGenerator::close);
-
-            MultiBurst.burst.close();
-            services.clear();
-        }));
+        J.attempt(new JarScanner(instance.getJarFile(), "", false)::scanAll);
     }
 
     private void setupPapi() {
@@ -578,49 +582,7 @@ public class Iris extends VolmitPlugin implements Listener {
 
     @Override
     public String getTag(String subTag) {
-        if (unstablemode) {
-            return C.BOLD + "" + C.DARK_GRAY + "[" + C.BOLD + "" + C.RED + "Iris" + C.BOLD + C.DARK_GRAY + "]" + C.RESET + "" + C.GRAY + ": ";
-        }
-        if (warningmode) {
-            return C.BOLD + "" + C.DARK_GRAY + "[" + C.BOLD + "" + C.GOLD + "Iris" + C.BOLD + C.DARK_GRAY + "]" + C.RESET + "" + C.GRAY + ": ";
-        }
-        return C.BOLD + "" + C.DARK_GRAY + "[" + C.BOLD + "" + C.IRIS + "Iris" + C.BOLD + C.DARK_GRAY + "]" + C.RESET + "" + C.GRAY + ": ";
-
-    }
-
-    private boolean setupChecks() {
-        boolean passed = true;
-        Iris.info("Version Information: " + instance.getServer().getVersion() + " | " + instance.getServer().getBukkitVersion());
-        if (INMS.get() instanceof NMSBinding1X) {
-            passed = false;
-            Iris.warn("============================================");
-            Iris.warn("=");
-            Iris.warn("=");
-            Iris.warn("=");
-            Iris.warn("Iris is not compatible with this version of Minecraft.");
-            Iris.warn("=");
-            Iris.warn("=");
-            Iris.warn("=");
-            Iris.warn("============================================");
-        }
-
-        try {
-            Class.forName("io.papermc.paper.configuration.PaperConfigurations");
-        } catch (ClassNotFoundException e) {
-            Iris.info(C.RED + "Iris requires paper or above to function properly..");
-            return false;
-        }
-
-        try {
-            Class.forName("org.purpurmc.purpur.PurpurConfig");
-        } catch (ClassNotFoundException e) {
-            Iris.info("We recommend using Purpur for the best experience with Iris.");
-            Iris.info("Purpur is a fork of Paper that is optimized for performance and stability.");
-            Iris.info("Plugins that work on Spigot / Paper work on Purpur.");
-            Iris.info("You can download it here: https://purpurmc.org");
-            return false;
-        }
-        return passed;
+        return IrisSafeguard.mode().tag(subTag);
     }
 
     private void checkConfigHotload() {
@@ -697,7 +659,11 @@ public class Iris extends VolmitPlugin implements Listener {
         Iris.debug("Generator Config: " + w.toString());
 
         File ff = new File(w.worldFolder(), "iris/pack");
-        if (!ff.exists() || ff.listFiles().length == 0) {
+        var files = ff.listFiles();
+        if (files == null || files.length == 0)
+            IO.delete(ff);
+
+        if (!ff.exists()) {
             ff.mkdirs();
             service(StudioSVC.class).installIntoWorld(getSender(), dim.getLoadKey(), w.worldFolder());
         }
@@ -707,13 +673,13 @@ public class Iris extends VolmitPlugin implements Listener {
 
     @Nullable
     public static IrisDimension loadDimension(@NonNull String worldName, @NonNull String id) {
-        var data = IrisData.get(new File(Bukkit.getWorldContainer(), String.join(File.separator, worldName, "iris", "pack")));
-        var dimension = data.getDimensionLoader().load(id);
-        if (dimension == null) dimension = IrisData.loadAnyDimension(id);
+        File pack = new File(Bukkit.getWorldContainer(), String.join(File.separator, worldName, "iris", "pack"));
+        var dimension = pack.isDirectory() ? IrisData.get(pack).getDimensionLoader().load(id) : null;
+        if (dimension == null) dimension = IrisData.loadAnyDimension(id, null);
         if (dimension == null) {
             Iris.warn("Unable to find dimension type " + id + " Looking for online packs...");
             Iris.service(StudioSVC.class).downloadSearch(new VolmitSender(Bukkit.getConsoleSender()), id, false);
-            dimension = IrisData.loadAnyDimension(id);
+            dimension = IrisData.loadAnyDimension(id, null);
 
             if (dimension != null) {
                 Iris.info("Resolved missing dimension, proceeding.");
@@ -724,88 +690,11 @@ public class Iris extends VolmitPlugin implements Listener {
     }
 
     public void splash() {
-        if (!IrisSettings.get().getGeneral().isSplashLogoStartup()) {
-            return;
-        }
-
-        String padd = Form.repeat(" ", 8);
-        String padd2 = Form.repeat(" ", 4);
-        String[] info = {"", "", "", "", "", padd2 + C.IRIS + " Iris", padd2 + C.GRAY + " by " + "<rainbow>Volmit Software", padd2 + C.GRAY + " v" + C.IRIS + getDescription().getVersion()};
-        if (unstablemode) {
-             info = new String[]{"", "", "", "", "", padd2 + C.RED + " Iris", padd2 + C.GRAY + " by " + C.DARK_RED + "Volmit Software", padd2 + C.GRAY + " v" + C.RED + getDescription().getVersion()};
-        }
-        if (warningmode) {
-            info = new String[]{"", "", "", "", "", padd2 + C.GOLD + " Iris", padd2 + C.GRAY + " by " + C.GOLD + "Volmit Software", padd2 + C.GRAY + " v" + C.GOLD + getDescription().getVersion()};
-        }
-
-        String[] splashstable = {
-                padd + C.GRAY + "   @@@@@@@@@@@@@@" + C.DARK_GRAY + "@@@",
-                padd + C.GRAY + " @@&&&&&&&&&" + C.DARK_GRAY + "&&&&&&" + C.IRIS + "   .(((()))).                     ",
-                padd + C.GRAY + "@@@&&&&&&&&" + C.DARK_GRAY + "&&&&&" + C.IRIS + "  .((((((())))))).                  ",
-                padd + C.GRAY + "@@@&&&&&" + C.DARK_GRAY + "&&&&&&&" + C.IRIS + "  ((((((((()))))))))               " + C.GRAY + " @",
-                padd + C.GRAY + "@@@&&&&" + C.DARK_GRAY + "@@@@@&" + C.IRIS + "    ((((((((-)))))))))              " + C.GRAY + " @@",
-                padd + C.GRAY + "@@@&&" + C.IRIS + "            ((((((({ }))))))))           " + C.GRAY + " &&@@@",
-                padd + C.GRAY + "@@" + C.IRIS + "               ((((((((-)))))))))    " + C.DARK_GRAY + "&@@@@@" + C.GRAY + "&&&&@@@",
-                padd + C.GRAY + "@" + C.IRIS + "                ((((((((()))))))))  " + C.DARK_GRAY + "&&&&&" + C.GRAY + "&&&&&&&@@@",
-                padd + C.GRAY + "" + C.IRIS + "                  '((((((()))))))'  " + C.DARK_GRAY + "&&&&&" + C.GRAY + "&&&&&&&&@@@",
-                padd + C.GRAY + "" + C.IRIS + "                     '(((())))'   " + C.DARK_GRAY + "&&&&&&&&" + C.GRAY + "&&&&&&&@@",
-                padd + C.GRAY + "                               " + C.DARK_GRAY + "@@@" + C.GRAY + "@@@@@@@@@@@@@@"
-        };
-
-        String[] splashunstable = {
-                padd + C.GRAY + "   @@@@@@@@@@@@@@" + C.DARK_GRAY + "@@@",
-                padd + C.GRAY + " @@&&&&&&&&&" + C.DARK_GRAY + "&&&&&&" + C.RED + "   .(((()))).                     ",
-                padd + C.GRAY + "@@@&&&&&&&&" + C.DARK_GRAY + "&&&&&" + C.RED + "  .((((((())))))).                  ",
-                padd + C.GRAY + "@@@&&&&&" + C.DARK_GRAY + "&&&&&&&" + C.RED + "  ((((((((()))))))))               " + C.GRAY + " @",
-                padd + C.GRAY + "@@@&&&&" + C.DARK_GRAY + "@@@@@&" + C.RED + "    ((((((((-)))))))))              " + C.GRAY + " @@",
-                padd + C.GRAY + "@@@&&" + C.RED + "            ((((((({ }))))))))           " + C.GRAY + " &&@@@",
-                padd + C.GRAY + "@@" + C.RED + "               ((((((((-)))))))))    " + C.DARK_GRAY + "&@@@@@" + C.GRAY + "&&&&@@@",
-                padd + C.GRAY + "@" + C.RED + "                ((((((((()))))))))  " + C.DARK_GRAY + "&&&&&" + C.GRAY + "&&&&&&&@@@",
-                padd + C.GRAY + "" + C.RED + "                  '((((((()))))))'  " + C.DARK_GRAY + "&&&&&" + C.GRAY + "&&&&&&&&@@@",
-                padd + C.GRAY + "" + C.RED + "                     '(((())))'   " + C.DARK_GRAY + "&&&&&&&&" + C.GRAY + "&&&&&&&@@",
-                padd + C.GRAY + "                               " + C.DARK_GRAY + "@@@" + C.GRAY + "@@@@@@@@@@@@@@"
-        };
-        String[] splashwarning = {
-                padd + C.GRAY + "   @@@@@@@@@@@@@@" + C.DARK_GRAY + "@@@",
-                padd + C.GRAY + " @@&&&&&&&&&" + C.DARK_GRAY + "&&&&&&" + C.GOLD + "   .(((()))).                     ",
-                padd + C.GRAY + "@@@&&&&&&&&" + C.DARK_GRAY + "&&&&&" + C.GOLD + "  .((((((())))))).                  ",
-                padd + C.GRAY + "@@@&&&&&" + C.DARK_GRAY + "&&&&&&&" + C.GOLD + "  ((((((((()))))))))               " + C.GRAY + " @",
-                padd + C.GRAY + "@@@&&&&" + C.DARK_GRAY + "@@@@@&" + C.GOLD + "    ((((((((-)))))))))              " + C.GRAY + " @@",
-                padd + C.GRAY + "@@@&&" + C.GOLD + "            ((((((({ }))))))))           " + C.GRAY + " &&@@@",
-                padd + C.GRAY + "@@" + C.GOLD + "               ((((((((-)))))))))    " + C.DARK_GRAY + "&@@@@@" + C.GRAY + "&&&&@@@",
-                padd + C.GRAY + "@" + C.GOLD + "                ((((((((()))))))))  " + C.DARK_GRAY + "&&&&&" + C.GRAY + "&&&&&&&@@@",
-                padd + C.GRAY + "" + C.GOLD + "                  '((((((()))))))'  " + C.DARK_GRAY + "&&&&&" + C.GRAY + "&&&&&&&&@@@",
-                padd + C.GRAY + "" + C.GOLD + "                     '(((())))'   " + C.DARK_GRAY + "&&&&&&&&" + C.GRAY + "&&&&&&&@@",
-                padd + C.GRAY + "                               " + C.DARK_GRAY + "@@@" + C.GRAY + "@@@@@@@@@@@@@@"
-        };
-        String[] splash;
-        File freeSpace = new File(Bukkit.getWorldContainer() + ".");
-        if (unstablemode) {
-            splash = splashunstable;
-        } else if (warningmode) {
-            splash = splashwarning;
-        } else {
-            splash = splashstable;
-        }
-
-        if (!passedserversoftware) {
-            Iris.info("Server type & version: " + C.RED + Bukkit.getVersion());
-        } else { Iris.info("Server type & version: " + Bukkit.getVersion()); }
-        Iris.info("Java: " + getJava());
-        if (getHardware.getProcessMemory() < 5999) {
-            Iris.warn("6GB+ Ram is recommended");
-            Iris.warn("Process Memory: " + getHardware.getProcessMemory() + " MB");
-        }
-        Iris.info("Bukkit distro: " + Bukkit.getName());
+        Iris.info("Server type & version: " + Bukkit.getName() + " v" + Bukkit.getVersion());
         Iris.info("Custom Biomes: " + INMS.get().countCustomBiomes());
-        setupChecks();
         printPacks();
 
-        for (int i = 0; i < info.length; i++) {
-            splash[i] += info[i];
-        }
-
-        Iris.info("\n\n " + new KList<>(splash).toString("\n") + "\n");
+        IrisSafeguard.mode().trySplash();
     }
 
     private void printPacks() {

core/src/main/java/com/volmit/iris/core/IrisSettings.java

@@ -49,11 +49,10 @@ public class IrisSettings {
     private IrisSettingsSentry sentry = new IrisSettingsSentry();
 
     public static int getThreadCount(int c) {
-        return switch (c) {
+        return Math.max(switch (c) {
             case -1, -2, -4 -> Runtime.getRuntime().availableProcessors() / -c;
-            case 0, 1, 2 -> 1;
             default -> Math.max(c, 2);
-        };
+        }, 1);
     }
 
     public static IrisSettings get() {
@@ -138,6 +137,7 @@ public class IrisSettings {
     @Data
     public static class IrisSettingsConcurrency {
         public int parallelism = -1;
+        public int ioParallelism = -2;
         public int worldGenParallelism = -1;
 
         public int getWorldGenThreads() {
@@ -159,7 +159,7 @@ public class IrisSettings {
         private IrisSettingsEngineSVC engineSVC = new IrisSettingsEngineSVC();
         public boolean trimMantleInStudio = false; 
         public int mantleKeepAlive = 30;
-        public int cacheSize = 4_096;
+        public int noiseCacheSize = 1_024;
         public int resourceLoaderCacheSize = 1_024;
         public int objectLoaderCacheSize = 4_096;
         public int scriptLoaderCacheSize = 512;
@@ -170,17 +170,24 @@ public class IrisSettings {
             if (tectonicPlateSize > 0)
                 return tectonicPlateSize;
 
-            return (int) (getHardware.getProcessMemory() / 200L);
+            return (int) (getHardware.getProcessMemory() / 512L);
         }
     }
 
     @Data
     public static class IrisSettingsUpdater {
+        public int maxConcurrency = 256;
+        public boolean nativeThreads = false;
         public double threadMultiplier = 2;
+
         public double chunkLoadSensitivity = 0.7;
         public MsRange emptyMsRange = new MsRange(80, 100);
         public MsRange defaultMsRange = new MsRange(20, 40);
 
+        public int getMaxConcurrency() {
+            return Math.max(Math.abs(maxConcurrency), 1);
+        }
+
         public double getThreadMultiplier() {
             return Math.min(Math.abs(threadMultiplier), 0.1);
         }
@@ -242,6 +249,10 @@ public class IrisSettings {
         public String defaultWorldType = "overworld";
         public int maxBiomeChildDepth = 4;
         public boolean preventLeafDecay = true;
+        public boolean useMulticore = false;
+        public boolean useMulticoreMantle = false;
+        public boolean offsetNoiseTypes = false;
+        public boolean earlyCustomBlocks = false;
     }
 
     @Data
@@ -255,6 +266,7 @@ public class IrisSettings {
     @Data
     public static class IrisSettingsEngineSVC {
         public boolean useVirtualThreads = true;
+        public boolean forceMulticoreWrite = false;
         public int priority = Thread.NORM_PRIORITY;
 
         public int getPriority() {

core/src/main/java/com/volmit/iris/core/IrisWorlds.java

@@ -66,6 +66,7 @@ public class IrisWorlds {
     }
 
     public KMap<String, String> getWorlds() {
+        clean();
         return readBukkitWorlds().put(worlds);
     }
 
@@ -76,8 +77,7 @@ public class IrisWorlds {
     }
 
     public Stream<IrisDimension> getDimensions() {
-        return readBukkitWorlds()
-                .put(worlds)
+        return getWorlds()
                 .entrySet()
                 .stream()
                 .map(entry -> Iris.loadDimension(entry.getKey(), entry.getValue()))

core/src/main/java/com/volmit/iris/core/ServerConfigurator.java

@@ -103,14 +103,14 @@ public class ServerConfigurator {
         return worlds;
     }
 
-    public static void installDataPacks(boolean fullInstall) {
-        installDataPacks(DataVersion.getDefault(), fullInstall);
+    public static boolean installDataPacks(boolean fullInstall) {
+        return installDataPacks(DataVersion.getDefault(), fullInstall);
     }
 
-    public static void installDataPacks(IDataFixer fixer, boolean fullInstall) {
+    public static boolean installDataPacks(IDataFixer fixer, boolean fullInstall) {
         if (fixer == null) {
             Iris.error("Unable to install datapacks, fixer is null!");
-            return;
+            return false;
         }
         Iris.info("Checking Data Packs...");
         DimensionHeight height = new DimensionHeight(fixer);
@@ -129,11 +129,10 @@ public class ServerConfigurator {
         IrisDimension.writeShared(folders, height);
         Iris.info("Data Packs Setup!");
 
-        if (fullInstall)
-            verifyDataPacksPost(IrisSettings.get().getAutoConfiguration().isAutoRestartOnCustomBiomeInstall());
+        return fullInstall && verifyDataPacksPost(IrisSettings.get().getAutoConfiguration().isAutoRestartOnCustomBiomeInstall());
     }
 
-    private static void verifyDataPacksPost(boolean allowRestarting) {
+    private static boolean verifyDataPacksPost(boolean allowRestarting) {
         try (Stream<IrisData> stream = allPacks()) {
             boolean bad = stream
                     .map(data -> {
@@ -148,7 +147,7 @@ public class ServerConfigurator {
                     })
                     .toList()
                     .contains(true);
-            if (!bad) return;
+            if (!bad) return false;
         }
 
 
@@ -172,6 +171,7 @@ public class ServerConfigurator {
 
             J.sleep(3000);
         }
+        return true;
     }
 
     public static void restart() {

core/src/main/java/com/volmit/iris/core/commands/CommandDeveloper.java

@@ -18,29 +18,44 @@
 
 package com.volmit.iris.core.commands;
 
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.ServerConfigurator;
+import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.datapack.DataVersion;
 import com.volmit.iris.core.service.IrisEngineSVC;
 import com.volmit.iris.core.tools.IrisPackBenchmarking;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IrisDimension;
+import com.volmit.iris.engine.object.IrisPosition;
+import com.volmit.iris.engine.object.annotations.Snippet;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.context.IrisContext;
+import com.volmit.iris.engine.object.IrisJigsawStructurePlacement;
+import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.decree.DecreeExecutor;
 import com.volmit.iris.util.decree.DecreeOrigin;
 import com.volmit.iris.util.decree.annotations.Decree;
 import com.volmit.iris.util.decree.annotations.Param;
+import com.volmit.iris.util.decree.specialhandlers.NullableDimensionHandler;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.io.CountingDataInputStream;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.mantle.TectonicPlate;
 import com.volmit.iris.util.math.M;
+import com.volmit.iris.util.matter.Matter;
 import com.volmit.iris.util.nbt.mca.MCAFile;
 import com.volmit.iris.util.nbt.mca.MCAUtil;
 import com.volmit.iris.util.parallel.MultiBurst;
 import com.volmit.iris.util.plugin.VolmitSender;
+import com.volmit.iris.util.scheduling.jobs.Job;
+import lombok.SneakyThrows;
 import net.jpountz.lz4.LZ4BlockInputStream;
 import net.jpountz.lz4.LZ4BlockOutputStream;
 import net.jpountz.lz4.LZ4FrameInputStream;
@@ -53,10 +68,12 @@ import org.bukkit.World;
 import java.io.*;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
+import java.nio.file.Files;
 import java.util.*;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
 
@@ -64,7 +81,6 @@ import java.util.zip.GZIPOutputStream;
 public class CommandDeveloper implements DecreeExecutor {
     private CommandTurboPregen turboPregen;
     private CommandLazyPregen lazyPregen;
-    private CommandUpdater updater;
 
     @Decree(description = "Get Loaded TectonicPlates Count", origin = DecreeOrigin.BOTH, sync = true)
     public void EngineStatus() {
@@ -79,6 +95,151 @@ public class CommandDeveloper implements DecreeExecutor {
         Iris.reportError(new Exception("This is a test"));
     }
 
+    @Decree(description = "Dev cmd to fix all the broken objects caused by faulty shrinkwarp")
+    public void fixObjects(
+            @Param(aliases = "dimension", description = "The dimension type to create the world with")
+            IrisDimension type
+    ) {
+        if (type == null) {
+            sender().sendMessage("Type cant be null?");
+            return;
+        }
+
+        IrisData dm = IrisData.get(Iris.instance.getDataFolder("packs", type.getLoadKey()));
+        var loader = dm.getObjectLoader();
+        var processed = new KMap<String, IrisPosition>();
+
+        var objects = loader.getPossibleKeys();
+        var pieces = dm.getJigsawPieceLoader().getPossibleKeys();
+        var sender = sender();
+
+        sender.sendMessage(C.IRIS + "Found " + objects.length + " objects in " + type.getLoadKey());
+        sender.sendMessage(C.IRIS + "Found " + pieces.length + " jigsaw pieces in " + type.getLoadKey());
+
+        final int total = objects.length;
+        final AtomicInteger completed = new AtomicInteger();
+        final AtomicInteger changed = new AtomicInteger();
+
+        new Job() {
+            @Override
+            public String getName() {
+                return "Fixing Objects";
+            }
+
+            @Override
+            public void execute() {
+                Arrays.stream(pieces).parallel()
+                        .map(dm.getJigsawPieceLoader()::load)
+                        .filter(Objects::nonNull)
+                        .forEach(piece -> {
+                            var offset = processed.compute(piece.getObject(), (key, o) -> {
+                                if (o != null) return o;
+                                var obj = loader.load(key);
+                                if (obj == null) return new IrisPosition();
+
+                                obj.shrinkwrap();
+                                try {
+                                    if (!obj.getShrinkOffset().isZero()) {
+                                        changed.incrementAndGet();
+                                        obj.write(obj.getLoadFile());
+                                    }
+                                    completeWork();
+                                } catch (IOException e) {
+                                    Iris.error("Failed to write object " + obj.getLoadKey());
+                                    e.printStackTrace();
+                                    return new IrisPosition();
+                                }
+
+                                return new IrisPosition(obj.getShrinkOffset());
+                            });
+                            if (offset.getX() == 0 && offset.getY() == 0 && offset.getZ() == 0)
+                                return;
+
+                            piece.getConnectors().forEach(connector -> connector.setPosition(connector.getPosition().add(offset)));
+
+                            try {
+                                IO.writeAll(piece.getLoadFile(), dm.getGson().toJson(piece));
+                            } catch (IOException e) {
+                                Iris.error("Failed to write jigsaw piece " + piece.getLoadKey());
+                                e.printStackTrace();
+                            }
+                        });
+
+                Arrays.stream(loader.getPossibleKeys()).parallel()
+                        .filter(key -> !processed.containsKey(key))
+                        .map(loader::load)
+                        .forEach(obj -> {
+                            if (obj == null) {
+                                completeWork();
+                                return;
+                            }
+
+                            obj.shrinkwrap();
+                            if (obj.getShrinkOffset().isZero()) {
+                                completeWork();
+                                return;
+                            }
+
+                            try {
+                                obj.write(obj.getLoadFile());
+                                completeWork();
+                                changed.incrementAndGet();
+                            } catch (IOException e) {
+                                Iris.error("Failed to write object " + obj.getLoadKey());
+                                e.printStackTrace();
+                            }
+                        });
+            }
+
+            @Override
+            public void completeWork() {
+                completed.incrementAndGet();
+            }
+
+            @Override
+            public int getTotalWork() {
+                return total;
+            }
+
+            @Override
+            public int getWorkCompleted() {
+                return completed.get();
+            }
+        }.execute(sender, () -> {
+            var failed = total - completed.get();
+            if (failed != 0) sender.sendMessage(C.IRIS + "" + failed + " objects failed!");
+            if (changed.get() != 0) sender.sendMessage(C.IRIS + "" + changed.get() + " objects had their offsets changed!");
+            else sender.sendMessage(C.IRIS + "No objects had their offsets changed!");
+        });
+    }
+
+    @Decree(description = "Test")
+    public void mantle(@Param(defaultValue = "false") boolean plate, @Param(defaultValue = "21474836474") String name) throws Throwable {
+        var base = Iris.instance.getDataFile("dump", "pv." + name + ".ttp.lz4b.bin");
+        var section = Iris.instance.getDataFile("dump", "pv." + name + ".section.bin");
+
+        //extractSection(base, section, 5604930, 4397);
+
+        if (plate) {
+            try (var in = CountingDataInputStream.wrap(new BufferedInputStream(new FileInputStream(base)))) {
+                new TectonicPlate(1088, in, true);
+            } catch (Throwable e) {
+                e.printStackTrace();
+            }
+        } else Matter.read(section);
+        if (!TectonicPlate.hasError())
+            Iris.info("Read " + (plate ? base : section).length() + " bytes from " + (plate ? base : section).getAbsolutePath());
+    }
+
+    private void extractSection(File source, File target, long offset, int length) throws IOException {
+        var raf = new RandomAccessFile(source, "r");
+        var bytes = new byte[length];
+        raf.seek(offset);
+        raf.readFully(bytes);
+        raf.close();
+        Files.write(target.toPath(), bytes);
+    }
+
     @Decree(description = "Test")
     public void dumpThreads() {
         try {
@@ -115,25 +276,128 @@ public class CommandDeveloper implements DecreeExecutor {
         }
     }
 
-    @Decree(description = "Test")
-    public void benchmarkMantle(
-            @Param(description = "The world to bench", aliases = {"world"})
-            World world
-    ) throws IOException, ClassNotFoundException {
-        Engine engine = IrisToolbelt.access(world).getEngine();
-        int maxHeight = engine.getTarget().getHeight();
-        File folder = new File(Bukkit.getWorldContainer(), world.getName());
-        int c = 0;
-        //MCAUtil.read()
-
-        File tectonicplates = new File(folder, "mantle");
-        for (File i : Objects.requireNonNull(tectonicplates.listFiles())) {
-            TectonicPlate.read(maxHeight, i, true);
-            c++;
-            Iris.info("Loaded count: " + c );
-
+    @SneakyThrows
+    @Decree(description = "Generate Iris structures for all loaded datapack structures")
+    public void generateStructures(
+            @Param(description = "The pack to add the generated structures to", aliases = "pack", defaultValue = "null", customHandler = NullableDimensionHandler.class)
+            IrisDimension dimension,
+            @Param(description = "Ignore existing structures", defaultValue = "false")
+            boolean force
+    ) {
+        var map = INMS.get().collectStructures();
+        if (map.isEmpty()) {
+            sender().sendMessage(C.IRIS + "No structures found");
+            return;
         }
 
+        sender().sendMessage(C.IRIS + "Found " + map.size() + " structures");
+
+        final File dataDir;
+        final IrisData data;
+        final Set<String> existingStructures;
+        final Map<String, Set<String>> snippets;
+        final File dimensionFile;
+        final File structuresFolder;
+        final File snippetsFolder;
+
+        var dimensionObj = new JsonObject();
+
+        if (dimension == null) {
+            dataDir = Iris.instance.getDataFolder("structures");
+            IO.delete(dataDir);
+            data = IrisData.get(dataDir);
+            existingStructures = Set.of();
+            snippets = Map.of();
+            dimensionFile = new File(dataDir, "structures.json");
+        } else {
+            data = dimension.getLoader();
+            dataDir = data.getDataFolder();
+            existingStructures = new KSet<>(data.getJigsawStructureLoader().getPossibleKeys());
+
+            dimensionObj = data.getGson().fromJson(IO.readAll(dimension.getLoadFile()), JsonObject.class);
+            snippets = Optional.ofNullable(dimensionObj.getAsJsonArray("jigsawStructures"))
+                    .map(array -> array.asList()
+                            .stream()
+                            .filter(JsonElement::isJsonPrimitive)
+                            .collect(Collectors.toMap(element -> data.getGson()
+                                            .fromJson(element, IrisJigsawStructurePlacement.class)
+                                            .getStructure(),
+                                    element -> Set.of(element.getAsString()),
+                                    KSet::merge)))
+                    .orElse(Map.of());
+
+            dimensionFile = dimension.getLoadFile();
+        }
+        structuresFolder = new File(dataDir, "jigsaw-structures");
+        snippetsFolder = new File(dataDir, "snippet" + "/" + IrisJigsawStructurePlacement.class.getAnnotation(Snippet.class).value());
+
+        var gson = data.getGson();
+        var jigsawStructures = Optional.ofNullable(dimensionObj.getAsJsonArray("jigsawStructures"))
+                .orElse(new JsonArray(map.size()));
+
+        map.forEach((key, placement) -> {
+            String loadKey = "datapack/" + key.namespace() + "/" + key.key();
+            if (existingStructures.contains(loadKey) && !force)
+                return;
+
+            var structures = placement.structures();
+            var obj = placement.toJson(loadKey);
+            if (obj == null || structures.isEmpty()) {
+                sender().sendMessage(C.RED + "Failed to generate hook for " + key);
+                return;
+            }
+            File snippetFile = new File(snippetsFolder, loadKey + ".json");
+            try {
+                IO.writeAll(snippetFile, gson.toJson(obj));
+            } catch (IOException e) {
+                sender().sendMessage(C.RED + "Failed to generate snippet for " + key);
+                e.printStackTrace();
+                return;
+            }
+
+            Set<String> loadKeys = snippets.getOrDefault(loadKey, Set.of(loadKey));
+            jigsawStructures.asList().removeIf(e -> loadKeys.contains((e.isJsonObject() ? e.getAsJsonObject().get("structure") : e).getAsString()));
+            jigsawStructures.add("snippet/" + loadKey);
+
+            String structureKey;
+            if (structures.size() > 1) {
+                KList<String> common = new KList<>();
+                for (int i = 0; i < structures.size(); i++) {
+                    var tags = structures.get(i).tags();
+                    if (i == 0) common.addAll(tags);
+                    else common.removeIf(tag -> !tags.contains(tag));
+                }
+                structureKey = common.isNotEmpty() ? "#" + common.getFirst() : structures.getFirst().key();
+            } else structureKey = structures.getFirst().key();
+
+            JsonArray array = new JsonArray();
+            if (structures.size() > 1) {
+                structures.stream()
+                        .flatMap(structure -> {
+                            String[] arr = new String[structure.weight()];
+                            Arrays.fill(arr, structure.key());
+                            return Arrays.stream(arr);
+                        })
+                        .forEach(array::add);
+            } else array.add(structureKey);
+
+            obj = new JsonObject();
+            obj.addProperty("structureKey", structureKey);
+            obj.add("datapackStructures", array);
+
+            File out = new File(structuresFolder, loadKey + ".json");
+            out.getParentFile().mkdirs();
+            try {
+                IO.writeAll(out, gson.toJson(obj));
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        });
+
+        dimensionObj.add("jigsawStructures", jigsawStructures);
+        IO.writeAll(dimensionFile, gson.toJson(dimensionObj));
+
+        data.hotloaded();
     }
 
     @Decree(description = "Test")

core/src/main/java/com/volmit/iris/core/commands/CommandEdit.java

@@ -46,6 +46,16 @@ public class CommandEdit implements DecreeExecutor {
             sender().sendMessage(C.RED + "You must be in a studio world!");
             return true;
         }
+
+        if (GraphicsEnvironment.isHeadless()) {
+            sender().sendMessage(C.RED + "Cannot open files in headless environments!");
+            return true;
+        }
+
+        if (!Desktop.isDesktopSupported()) {
+            sender().sendMessage(C.RED + "Desktop is not supported by this environment!");
+            return true;
+        }
         return false;
     }
 

core/src/main/java/com/volmit/iris/core/commands/CommandIris.java

@@ -21,7 +21,6 @@ package com.volmit.iris.core.commands;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.nms.INMS;
-import com.volmit.iris.core.pregenerator.ChunkUpdater;
 import com.volmit.iris.core.service.StudioSVC;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.framework.Engine;
@@ -33,7 +32,6 @@ import com.volmit.iris.util.decree.annotations.Decree;
 import com.volmit.iris.util.decree.annotations.Param;
 import com.volmit.iris.util.decree.specialhandlers.NullablePlayerHandler;
 import com.volmit.iris.util.format.C;
-import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.misc.ServerProperties;
 import com.volmit.iris.util.plugin.VolmitSender;
@@ -56,6 +54,7 @@ import static org.bukkit.Bukkit.getServer;
 
 @Decree(name = "iris", aliases = {"ir", "irs"}, description = "Basic Command")
 public class CommandIris implements DecreeExecutor {
+    private CommandUpdater updater;
     private CommandStudio studio;
     private CommandPregen pregen;
     private CommandSettings settings;
@@ -318,24 +317,6 @@ public class CommandIris implements DecreeExecutor {
         return dir.delete();
     }
 
-    @Decree(description = "Updates all chunk in the specified world")
-    public void updater(
-            @Param(description = "World to update chunks at")
-            World world
-    ) {
-        if (!IrisToolbelt.isIrisWorld(world)) {
-            sender().sendMessage(C.GOLD + "This is not an Iris world");
-            return;
-        }
-        ChunkUpdater updater = new ChunkUpdater(world);
-        if (sender().isPlayer()) {
-            sender().sendMessage(C.GREEN + "Updating " + world.getName() + " Total chunks: " + Form.f(updater.getChunks()));
-        } else {
-            Iris.info(C.GREEN + "Updating " + world.getName() + " Total chunks: " + Form.f(updater.getChunks()));
-        }
-        updater.start();
-    }
-
     @Decree(description = "Set aura spins")
     public void aura(
             @Param(description = "The h color value", defaultValue = "-20")

core/src/main/java/com/volmit/iris/core/commands/CommandJigsaw.java

@@ -48,7 +48,7 @@ public class CommandJigsaw implements DecreeExecutor {
             IrisJigsawPiece piece
     ) {
         File dest = piece.getLoadFile();
-        new JigsawEditor(player(), piece, IrisData.loadAnyObject(piece.getObject()), dest);
+        new JigsawEditor(player(), piece, IrisData.loadAnyObject(piece.getObject(), data()), dest);
     }
 
     @Decree(description = "Place a jigsaw structure")
@@ -78,7 +78,7 @@ public class CommandJigsaw implements DecreeExecutor {
             @Param(description = "The object to use for this piece", customHandler = ObjectHandler.class)
             String object
     ) {
-        IrisObject o = IrisData.loadAnyObject(object);
+        IrisObject o = IrisData.loadAnyObject(object, data());
 
         if (object == null) {
             sender().sendMessage(C.RED + "Failed to find existing object");

core/src/main/java/com/volmit/iris/core/commands/CommandObject.java

@@ -38,7 +38,6 @@ import com.volmit.iris.util.decree.specialhandlers.ObjectHandler;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.math.Direction;
 import com.volmit.iris.util.math.RNG;
-import com.volmit.iris.util.scheduling.Queue;
 import org.bukkit.*;
 import org.bukkit.block.Block;
 import org.bukkit.block.data.BlockData;
@@ -79,9 +78,9 @@ public class CommandObject implements DecreeExecutor {
                 futureBlockChanges.put(block, block.getBlockData());
 
                 if (d instanceof IrisCustomData data) {
-                    block.setBlockData(data.getBase());
+                    block.setBlockData(data.getBase(), false);
                     Iris.warn("Tried to place custom block at " + x + ", " + y + ", " + z + " which is not supported!");
-                } else block.setBlockData(d);
+                } else block.setBlockData(d, false);
             }
 
             @Override
@@ -124,6 +123,16 @@ public class CommandObject implements DecreeExecutor {
                 tile.toBukkitTry(world.getBlockAt(xx, yy, zz));
             }
 
+            @Override
+            public <T> void setData(int xx, int yy, int zz, T data) {
+
+            }
+
+            @Override
+            public <T> T getData(int xx, int yy, int zz, Class<T> t) {
+                return null;
+            }
+
             @Override
             public Engine getEngine() {
                 return null;
@@ -136,11 +145,11 @@ public class CommandObject implements DecreeExecutor {
             @Param(description = "The object to analyze", customHandler = ObjectHandler.class)
             String object
     ) {
-        IrisObject o = IrisData.loadAnyObject(object);
+        IrisObject o = IrisData.loadAnyObject(object, data());
         sender().sendMessage("Object Size: " + o.getW() + " * " + o.getH() + " * " + o.getD() + "");
         sender().sendMessage("Blocks Used: " + NumberFormat.getIntegerInstance().format(o.getBlocks().size()));
 
-        Queue<BlockData> queue = o.getBlocks().enqueueValues();
+        var queue = o.getBlocks().values();
         Map<Material, Set<BlockData>> unsorted = new HashMap<>();
         Map<BlockData, Integer> amounts = new HashMap<>();
         Map<Material, Integer> materials = new HashMap<>();
@@ -201,7 +210,7 @@ public class CommandObject implements DecreeExecutor {
 
     @Decree(description = "Shrink an object to its minimum size")
     public void shrink(@Param(description = "The object to shrink", customHandler = ObjectHandler.class) String object) {
-        IrisObject o = IrisData.loadAnyObject(object);
+        IrisObject o = IrisData.loadAnyObject(object, data());
         sender().sendMessage("Current Object Size: " + o.getW() + " * " + o.getH() + " * " + o.getD());
         o.shrinkwrap();
         sender().sendMessage("New Object Size: " + o.getW() + " * " + o.getH() + " * " + o.getD());
@@ -325,7 +334,7 @@ public class CommandObject implements DecreeExecutor {
 //            @Param(description = "The scale interpolator to use", defaultValue = "none")
 //            IrisObjectPlacementScaleInterpolator interpolator
     ) {
-        IrisObject o = IrisData.loadAnyObject(object);
+        IrisObject o = IrisData.loadAnyObject(object, data());
         double maxScale = Double.max(10 - o.getBlocks().size() / 10000d, 1);
         if (scale > maxScale) {
             sender().sendMessage(C.YELLOW + "Indicated scale exceeds maximum. Downscaled to maximum: " + maxScale);

core/src/main/java/com/volmit/iris/core/commands/CommandStudio.java

@@ -47,7 +47,6 @@ import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.json.JSONArray;
 import com.volmit.iris.util.json.JSONObject;
 import com.volmit.iris.util.mantle.MantleChunk;
-import com.volmit.iris.util.mantle.MantleFlag;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
@@ -59,7 +58,7 @@ import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.O;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
-import com.volmit.iris.util.scheduling.jobs.ParallelQueueJob;
+import com.volmit.iris.util.scheduling.jobs.ParallelRadiusJob;
 import io.papermc.lib.PaperLib;
 import org.bukkit.*;
 import org.bukkit.event.inventory.InventoryType;
@@ -79,6 +78,7 @@ import java.util.Arrays;
 import java.util.Date;
 import java.util.Objects;
 import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Supplier;
 
@@ -172,66 +172,63 @@ public class CommandStudio implements DecreeExecutor {
         var loc = player().getLocation().clone();
 
         J.a(() -> {
-            DecreeContext.touch(sender);
             PlatformChunkGenerator plat = IrisToolbelt.access(world);
             Engine engine = plat.getEngine();
-            try (SyncExecutor executor = new SyncExecutor(20)) {
+            DecreeContext.touch(sender);
+            try (SyncExecutor executor = new SyncExecutor(20);
+                 var service = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors())
+            ) {
                 int x = loc.getBlockX() >> 4;
                 int z = loc.getBlockZ() >> 4;
 
                 int rad = engine.getMantle().getRadius();
                 var mantle = engine.getMantle().getMantle();
                 var chunkMap = new KMap<Position2, MantleChunk>();
-                for (int i = -(radius + rad); i <= radius + rad; i++) {
-                    for (int j = -(radius + rad); j <= radius + rad; j++) {
-                        int xx = i + x, zz = j + z;
-                        if (Math.abs(i) <= radius && Math.abs(j) <= radius) {
-                            mantle.deleteChunk(xx, zz);
-                            continue;
-                        }
-                        chunkMap.put(new Position2(xx, zz), mantle.getChunk(xx, zz));
-                        mantle.deleteChunk(xx, zz);
-                    }
-                }
-
-                ParallelQueueJob<Position2> job = new ParallelQueueJob<>() {
+                ParallelRadiusJob prep = new ParallelRadiusJob(Integer.MAX_VALUE, service) {
                     @Override
-                    public void execute(Position2 p) {
-                        plat.injectChunkReplacement(world, p.getX(), p.getZ(), executor);
+                    protected void execute(int rX, int rZ) {
+                        if (Math.abs(rX) <= radius && Math.abs(rZ) <= radius) {
+                            mantle.deleteChunk(rX + x, rZ + z);
+                            return;
+                        }
+                        rX += x;
+                        rZ += z;
+                        chunkMap.put(new Position2(rX, rZ), mantle.getChunk(rX, rZ));
+                        mantle.deleteChunk(rX, rZ);
+                    }
+
+                    @Override
+                    public String getName() {
+                        return "Preparing Mantle";
+                    }
+                }.retarget(radius + rad, 0, 0);
+                CountDownLatch pLatch = new CountDownLatch(1);
+                prep.execute(sender(), pLatch::countDown);
+                pLatch.await();
+
+
+                ParallelRadiusJob job = new ParallelRadiusJob(Integer.MAX_VALUE, service) {
+                    @Override
+                    protected void execute(int x, int z) {
+                        plat.injectChunkReplacement(world, x, z, executor);
                     }
 
                     @Override
                     public String getName() {
                         return "Regenerating";
                     }
-                };
-                for (int i = -radius; i <= radius; i++) {
-                    for (int j = -radius; j <= radius; j++) {
-                        job.queue(new Position2(i + x, j + z));
-                    }
-                }
-
+                }.retarget(radius, x, z);
                 CountDownLatch latch = new CountDownLatch(1);
                 job.execute(sender(), latch::countDown);
                 latch.await();
 
-                int sections = mantle.getWorldHeight() >> 4;
-                chunkMap.forEach((pos, chunk) -> {
-                    var c = mantle.getChunk(pos.getX(), pos.getZ());
-                    for (MantleFlag flag : MantleFlag.values()) {
-                        c.flag(flag, chunk.isFlagged(flag));
-                    }
-                    c.clear();
-                    for (int y = 0; y < sections; y++) {
-                        var slice = chunk.get(y);
-                        if (slice == null) continue;
-                        var s = c.getOrCreate(y);
-                        slice.getSliceMap().forEach(s::putSlice);
-                    }
-                });
+                chunkMap.forEach((pos, chunk) ->
+                        mantle.getChunk(pos.getX(), pos.getZ()).copyFrom(chunk));
             } catch (Throwable e) {
                 sender().sendMessage("Error while regenerating chunks");
                 e.printStackTrace();
+            } finally {
+                DecreeContext.remove();
             }
         });
     }
@@ -322,11 +319,15 @@ public class CommandStudio implements DecreeExecutor {
         O<Integer> ta = new O<>();
         ta.set(-1);
 
+        var sender = sender();
+        var player = player();
+        var engine = engine();
+
         ta.set(Bukkit.getScheduler().scheduleSyncRepeatingTask(Iris.instance, () ->
         {
-            if (!player().getOpenInventory().getType().equals(InventoryType.CHEST)) {
+            if (!player.getOpenInventory().getType().equals(InventoryType.CHEST)) {
                 Bukkit.getScheduler().cancelTask(ta.get());
-                sender().sendMessage(C.GREEN + "Opened inventory!");
+                sender.sendMessage(C.GREEN + "Opened inventory!");
                 return;
             }
 
@@ -334,13 +335,49 @@ public class CommandStudio implements DecreeExecutor {
                 inv.clear();
             }
 
-            engine().addItems(true, inv, new RNG(RNG.r.imax()), tables, InventorySlotType.STORAGE, player().getWorld(), player().getLocation().getBlockX(), player().getLocation().getBlockY(), player().getLocation().getBlockZ(), 1);
+            engine.addItems(true, inv, new RNG(RNG.r.imax()), tables, InventorySlotType.STORAGE, player.getWorld(), player.getLocation().getBlockX(), player.getLocation().getBlockY(), player.getLocation().getBlockZ(), 1);
         }, 0, fast ? 5 : 35));
 
         sender().sendMessage(C.GREEN + "Opening inventory now!");
         player().openInventory(inv);
     }
 
+    @Decree(description = "Calculate the chance for each region to generate", origin = DecreeOrigin.PLAYER)
+    public void regions(@Param(description = "The radius in chunks", defaultValue = "500") int radius) {
+        var engine = engine();
+        if (engine == null) {
+            sender().sendMessage(C.RED + "Only works in an Iris world!");
+            return;
+        }
+        var sender = sender();
+        var player = player();
+        Thread.ofVirtual()
+                .start(() -> {
+                    int d = radius * 2;
+                    KMap<String, AtomicInteger> data = new KMap<>();
+                    engine.getDimension().getRegions().forEach(key -> data.put(key, new AtomicInteger(0)));
+                    var multiBurst = new MultiBurst("Region Sampler");
+                    var executor = multiBurst.burst(radius * radius);
+                    sender.sendMessage(C.GRAY + "Generating data...");
+                    var loc = player.getLocation();
+                    int totalTasks = d * d;
+                    AtomicInteger completedTasks = new AtomicInteger(0);
+                    int c = J.ar(() -> sender.sendProgress((double) completedTasks.get() / totalTasks, "Finding regions"), 0);
+                    new Spiraler(d, d, (x, z) -> executor.queue(() -> {
+                        var region = engine.getRegion((x << 4) + 8, (z << 4) + 8);
+                        data.computeIfAbsent(region.getLoadKey(), (k) -> new AtomicInteger(0))
+                                .incrementAndGet();
+                        completedTasks.incrementAndGet();
+                    })).setOffset(loc.getBlockX(), loc.getBlockZ()).drain();
+                    executor.complete();
+                    multiBurst.close();
+                    J.car(c);
+
+                    sender.sendMessage(C.GREEN + "Done!");
+                    var loader = engine.getData().getRegionLoader();
+                    data.forEach((k, v) -> sender.sendMessage(C.GREEN + k + ": " + loader.load(k).getRarity() + " / " + Form.f((double) v.get() / totalTasks * 100, 2) + "%"));
+                });
+    }
 
     @Decree(description = "Get all structures in a radius of chunks", aliases = "dist", origin = DecreeOrigin.PLAYER)
     public void distances(@Param(description = "The radius in chunks") int radius) {
@@ -352,7 +389,7 @@ public class CommandStudio implements DecreeExecutor {
         var sender = sender();
         int d = radius * 2;
         KMap<String, KList<Position2>> data = new KMap<>();
-        var multiBurst = new MultiBurst("Distance Sampler", Thread.MIN_PRIORITY);
+        var multiBurst = new MultiBurst("Distance Sampler");
         var executor = multiBurst.burst(radius * radius);
 
         sender.sendMessage(C.GRAY + "Generating data...");
@@ -651,8 +688,14 @@ public class CommandStudio implements DecreeExecutor {
         }
 
         sender().sendMessage(C.GREEN + "Sending you to the studio world!");
-        player().teleport(Iris.service(StudioSVC.class).getActiveProject().getActiveProvider().getTarget().getWorld().spawnLocation());
-        player().setGameMode(GameMode.SPECTATOR);
+        var player = player();
+        PaperLib.teleportAsync(player(), Iris.service(StudioSVC.class)
+                .getActiveProject()
+                .getActiveProvider()
+                .getTarget()
+                .getWorld()
+                .spawnLocation()
+        ).thenRun(() -> player.setGameMode(GameMode.SPECTATOR));
     }
 
     @Decree(description = "Update your dimension projects VSCode workspace")

core/src/main/java/com/volmit/iris/core/commands/CommandUpdater.java

@@ -18,6 +18,7 @@
 
 package com.volmit.iris.core.commands;
 
+import lombok.Synchronized;
 import org.bukkit.World;
 
 import com.volmit.iris.Iris;
@@ -32,7 +33,8 @@ import com.volmit.iris.util.format.Form;
 
 @Decree(name = "updater", origin = DecreeOrigin.BOTH, description = "Iris World Updater")
 public class CommandUpdater implements DecreeExecutor {
-    private ChunkUpdater chunkUpdater;
+    private final Object lock = new Object();
+    private transient ChunkUpdater chunkUpdater;
 
     @Decree(description = "Updates all chunk in the specified world")
     public void start(
@@ -43,19 +45,22 @@ public class CommandUpdater implements DecreeExecutor {
             sender().sendMessage(C.GOLD + "This is not an Iris world");
             return;
         }
-        if (chunkUpdater != null) {
-            chunkUpdater.stop();
-        }
+        synchronized (lock) {
+            if (chunkUpdater != null) {
+                chunkUpdater.stop();
+            }
 
-        chunkUpdater = new ChunkUpdater(world);
-        if (sender().isPlayer()) {
-            sender().sendMessage(C.GREEN + "Updating " + world.getName()  + C.GRAY + " Total chunks: " + Form.f(chunkUpdater.getChunks()));
-        } else {
-            Iris.info(C.GREEN + "Updating " + world.getName() + C.GRAY + " Total chunks: " + Form.f(chunkUpdater.getChunks()));
+            chunkUpdater = new ChunkUpdater(world);
+            if (sender().isPlayer()) {
+                sender().sendMessage(C.GREEN + "Updating " + world.getName()  + C.GRAY + " Total chunks: " + Form.f(chunkUpdater.getChunks()));
+            } else {
+                Iris.info(C.GREEN + "Updating " + world.getName() + C.GRAY + " Total chunks: " + Form.f(chunkUpdater.getChunks()));
+            }
+            chunkUpdater.start();
         }
-        chunkUpdater.start();
     }
 
+    @Synchronized("lock")
     @Decree(description = "Pause the updater")
     public void pause( ) {
         if (chunkUpdater == null) {
@@ -78,6 +83,7 @@ public class CommandUpdater implements DecreeExecutor {
         }
     }
 
+    @Synchronized("lock")
     @Decree(description = "Stops the updater")
     public void stop() {
         if (chunkUpdater == null) {

core/src/main/java/com/volmit/iris/core/edit/JigsawEditor.java

@@ -61,14 +61,14 @@ public class JigsawEditor implements Listener {
     private Location target;
 
     public JigsawEditor(Player player, IrisJigsawPiece piece, IrisObject object, File saveLocation) {
-        if (editors.containsKey(player)) {
-            editors.get(player).close();
-        }
+        if (object == null) throw new RuntimeException("Object is null! " + piece.getObject());
+        editors.compute(player, ($, current) -> {
+            if (current != null) {
+                current.exit();
+            }
+            return this;
+        });
 
-        editors.put(player, this);
-        if (object == null) {
-            throw new RuntimeException("Object is null! " + piece.getObject());
-        }
         this.object = object;
         this.player = player;
         origin = player.getLocation().clone().add(0, 7, 0);

core/src/main/java/com/volmit/iris/core/link/ExternalDataProvider.java

@@ -1,6 +1,8 @@
 package com.volmit.iris.core.link;
 
 import com.volmit.iris.core.link.data.DataType;
+import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
@@ -22,7 +24,9 @@ import org.bukkit.plugin.Plugin;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.Arrays;
 import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
 
 @Getter
@@ -66,6 +70,18 @@ public abstract class ExternalDataProvider implements Listener {
         throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
     }
 
+    /**
+     * Retrieves a list of all {@link BlockProperty} objects associated with the specified block identifier.
+     *
+     * @param blockId The identifier of the block whose properties are to be retrieved. Must not be null.
+     * @return A list of {@link BlockProperty} objects representing the properties of the block.
+     * @throws MissingResourceException If the specified block identifier is invalid or cannot be found.
+     */
+    @NotNull
+    public List<BlockProperty> getBlockProperties(@NotNull Identifier blockId) throws MissingResourceException {
+        return List.of();
+    }
+
     /**
      * @see ExternalDataProvider#getItemStack(Identifier)
      */
@@ -137,4 +153,18 @@ public abstract class ExternalDataProvider implements Listener {
 
         return new Pair<>(yaw, face);
     }
+
+    protected static List<BlockProperty> YAW_FACE_BIOME_PROPERTIES = List.of(
+            BlockProperty.ofEnum(BiomeColor.class, "matchBiome", null),
+            BlockProperty.ofBoolean("randomYaw", false),
+            BlockProperty.ofFloat("yaw", 0, 0, 360f, false, true),
+            BlockProperty.ofBoolean("randomFace", true),
+            new BlockProperty(
+                    "face",
+                    BlockFace.class,
+                    BlockFace.NORTH,
+                    Arrays.asList(BlockFace.values()).subList(0, BlockFace.values().length - 1),
+                    BlockFace::name
+            )
+    );
 }

core/src/main/java/com/volmit/iris/core/link/data/HMCLeavesDataProvider.java

@@ -67,7 +67,7 @@ public class HMCLeavesDataProvider extends ExternalDataProvider {
 		BlockData blockData = Bukkit.createBlockData(material);
 		if (IrisSettings.get().getGenerator().preventLeafDecay && blockData instanceof Leaves leaves)
 			leaves.setPersistent(true);
-		return new IrisCustomData(blockData, ExternalDataSVC.buildState(blockId, state));
+		return IrisCustomData.of(blockData, ExternalDataSVC.buildState(blockId, state));
 	}
 
 	@NotNull

core/src/main/java/com/volmit/iris/core/link/data/ItemAdderDataProvider.java

@@ -5,25 +5,26 @@ import com.volmit.iris.core.link.ExternalDataProvider;
 import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.data.IrisCustomData;
-import com.volmit.iris.util.scheduling.J;
 import dev.lone.itemsadder.api.CustomBlock;
 import dev.lone.itemsadder.api.CustomStack;
+import dev.lone.itemsadder.api.Events.ItemsAdderLoadDataEvent;
 import org.bukkit.block.Block;
 import org.bukkit.block.data.BlockData;
+import org.bukkit.event.EventHandler;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Collection;
 import java.util.List;
 import java.util.MissingResourceException;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 public class ItemAdderDataProvider extends ExternalDataProvider {
 
-    private final KSet<String> itemNamespaces = new KSet<>();
-    private final KSet<String> blockNamespaces = new KSet<>();
+    private volatile Set<String> itemNamespaces = Set.of();
+    private volatile Set<String> blockNamespaces = Set.of();
 
     public ItemAdderDataProvider() {
         super("ItemsAdder");
@@ -31,12 +32,12 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
 
     @Override
     public void init() {
-        try {
-            updateNamespaces();
-        } catch (Throwable e) {
-            Iris.warn("Failed to update ItemAdder namespaces: " + e.getMessage());
-            J.s(this::updateNamespaces, 20);
-        }
+        updateNamespaces();
+    }
+
+    @EventHandler
+    public void onLoadData(ItemsAdderLoadDataEvent event) {
+        updateNamespaces();
     }
 
     @NotNull
@@ -46,7 +47,7 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
         if (block == null) {
             throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
         }
-        return new IrisCustomData(block.getBaseBlockData(), blockId);
+        return IrisCustomData.of(block.getBaseBlockData(), blockId);
     }
 
     @NotNull
@@ -61,40 +62,46 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
 
     @Override
     public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {
-        CustomBlock.place(blockId.toString(), block.getLocation());
+        CustomBlock custom;
+        if ((custom = CustomBlock.place(blockId.toString(), block.getLocation())) == null)
+            return;
+        block.setBlockData(custom.getBaseBlockData(), false);
     }
 
     @Override
     public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
         return switch (dataType) {
             case ENTITY -> List.of();
-            case ITEM -> updateNamespaces(dataType, CustomStack.getNamespacedIdsInRegistry()
+            case ITEM -> CustomStack.getNamespacedIdsInRegistry()
                     .stream()
                     .map(Identifier::fromString)
-                    .toList());
-            case BLOCK -> updateNamespaces(dataType, CustomBlock.getNamespacedIdsInRegistry()
+                    .toList();
+            case BLOCK -> CustomBlock.getNamespacedIdsInRegistry()
                     .stream()
                     .map(Identifier::fromString)
-                    .toList());
+                    .toList();
         };
     }
 
     private void updateNamespaces() {
-        getTypes(DataType.ITEM);
-        getTypes(DataType.BLOCK);
+        try {
+            updateNamespaces(DataType.ITEM);
+            updateNamespaces(DataType.BLOCK);
+        } catch (Throwable e) {
+            Iris.warn("Failed to update ItemAdder namespaces: " + e.getMessage());
+        }
     }
 
-    private Collection<Identifier> updateNamespaces(DataType dataType, Collection<Identifier> ids) {
-        var namespaces = ids.stream().map(Identifier::namespace).collect(Collectors.toSet());
-        var currentNamespaces = dataType == DataType.ITEM ? itemNamespaces : blockNamespaces;
-        currentNamespaces.removeIf(n -> !namespaces.contains(n));
-        currentNamespaces.addAll(namespaces);
-        return ids;
+    private void updateNamespaces(DataType dataType) {
+        var namespaces = getTypes(dataType).stream().map(Identifier::namespace).collect(Collectors.toSet());
+        if (dataType == DataType.ITEM) itemNamespaces = namespaces;
+        else blockNamespaces = namespaces;
+        Iris.debug("Updated ItemAdder namespaces: " + dataType + " - " + namespaces);
     }
 
     @Override
     public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
         if (dataType == DataType.ENTITY) return false;
-        return dataType == DataType.ITEM ? this.itemNamespaces.contains(id.namespace()) : this.blockNamespaces.contains(id.namespace());
+        return dataType == DataType.ITEM ? itemNamespaces.contains(id.namespace()) : blockNamespaces.contains(id.namespace());
     }
 }

core/src/main/java/com/volmit/iris/core/link/data/KGeneratorsDataProvider.java

@@ -33,7 +33,7 @@ public class KGeneratorsDataProvider extends ExternalDataProvider {
     @Override
     public @NotNull BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
         if (Main.getGenerators().get(blockId.key()) == null) throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
-        return new IrisCustomData(Material.STRUCTURE_VOID.createBlockData(), ExternalDataSVC.buildState(blockId, state));
+        return IrisCustomData.of(Material.STRUCTURE_VOID.createBlockData(), ExternalDataSVC.buildState(blockId, state));
     }
 
     @Override

core/src/main/java/com/volmit/iris/core/link/data/MythicCrucibleDataProvider.java

@@ -23,6 +23,7 @@ import com.volmit.iris.core.link.ExternalDataProvider;
 import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KMap;
@@ -41,6 +42,7 @@ import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
 import java.util.Optional;
 
@@ -70,13 +72,26 @@ public class MythicCrucibleDataProvider extends ExternalDataProvider {
         CustomBlockItemContext blockItemContext = crucibleItem.getBlockData();
         FurnitureItemContext furnitureItemContext = crucibleItem.getFurnitureData();
         if (furnitureItemContext != null) {
-            return new IrisCustomData(B.getAir(), ExternalDataSVC.buildState(blockId, state));
+            return IrisCustomData.of(B.getAir(), ExternalDataSVC.buildState(blockId, state));
         } else if (blockItemContext != null) {
             return blockItemContext.getBlockData();
         }
         throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
     }
 
+    @Override
+    public @NotNull List<BlockProperty> getBlockProperties(@NotNull Identifier blockId) throws MissingResourceException {
+        CrucibleItem crucibleItem = this.itemManager.getItem(blockId.key())
+                .orElseThrow(() -> new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key()));
+
+        if (crucibleItem.getFurnitureData() != null) {
+            return YAW_FACE_BIOME_PROPERTIES;
+        } else if (crucibleItem.getBlockData() != null) {
+            return List.of();
+        }
+        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+    }
+
     @NotNull
     @Override
     public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {

core/src/main/java/com/volmit/iris/core/link/data/MythicMobsDataProvider.java

@@ -5,10 +5,14 @@ import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import io.lumine.mythic.api.adapters.AbstractLocation;
 import io.lumine.mythic.api.config.MythicLineConfig;
+import io.lumine.mythic.api.mobs.entities.SpawnReason;
 import io.lumine.mythic.api.skills.conditions.ILocationCondition;
+import io.lumine.mythic.bukkit.BukkitAdapter;
 import io.lumine.mythic.bukkit.MythicBukkit;
 import io.lumine.mythic.bukkit.adapters.BukkitWorld;
 import io.lumine.mythic.bukkit.events.MythicConditionLoadEvent;
+import io.lumine.mythic.core.mobs.ActiveMob;
+import io.lumine.mythic.core.mobs.MobStack;
 import io.lumine.mythic.core.skills.SkillCondition;
 import io.lumine.mythic.core.utils.annotations.MythicCondition;
 import io.lumine.mythic.core.utils.annotations.MythicField;
@@ -20,6 +24,7 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.stream.Stream;
 
 public class MythicMobsDataProvider extends ExternalDataProvider {
     public MythicMobsDataProvider() {
@@ -32,18 +37,31 @@ public class MythicMobsDataProvider extends ExternalDataProvider {
 
     @Override
     public @Nullable Entity spawnMob(@NotNull Location location, @NotNull Identifier entityId) throws MissingResourceException {
-        var mm = MythicBukkit.inst().getMobManager().spawnMob(entityId.key(), location);
-        if (mm == null) throw new MissingResourceException("Failed to find mob!", entityId.namespace(), entityId.key());
-        return mm.getEntity().getBukkitEntity();
+        var mm = spawnMob(BukkitAdapter.adapt(location), entityId);
+        return mm == null ? null : mm.getEntity().getBukkitEntity();
+    }
+
+    private ActiveMob spawnMob(AbstractLocation location, Identifier entityId) throws MissingResourceException {
+        var manager = MythicBukkit.inst().getMobManager();
+        var mm = manager.getMythicMob(entityId.key()).orElse(null);
+        if (mm == null) {
+            var stack = manager.getMythicMobStack(entityId.key());
+            if (stack == null) throw new MissingResourceException("Failed to find Mob!", entityId.namespace(), entityId.key());
+            return stack.spawn(location, 1d, SpawnReason.OTHER, null);
+        }
+        return mm.spawn(location, 1d, SpawnReason.OTHER, null, null);
     }
 
     @Override
     public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
         if (dataType != DataType.ENTITY) return List.of();
-        return MythicBukkit.inst()
-                .getMobManager()
-                .getMobNames()
-                .stream()
+        var manager = MythicBukkit.inst().getMobManager();
+        return Stream.concat(manager.getMobNames().stream(),
+                        manager.getMobStacks()
+                                .stream()
+                                .map(MobStack::getName)
+                )
+                .distinct()
                 .map(name -> new Identifier("mythicmobs", name))
                 .toList();
     }

core/src/main/java/com/volmit/iris/core/link/data/NexoDataProvider.java

@@ -8,6 +8,7 @@ import com.volmit.iris.core.link.ExternalDataProvider;
 import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KMap;
@@ -26,11 +27,8 @@ import org.jetbrains.annotations.NotNull;
 import java.util.Collection;
 import java.util.List;
 import java.util.MissingResourceException;
-import java.util.concurrent.atomic.AtomicBoolean;
 
 public class NexoDataProvider extends ExternalDataProvider {
-    private final AtomicBoolean failed = new AtomicBoolean(false);
-
     public NexoDataProvider() {
         super("Nexo");
     }
@@ -51,14 +49,23 @@ public class NexoDataProvider extends ExternalDataProvider {
             BlockData data = NexoBlocks.blockData(blockId.key());
             if (data == null)
                 throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
-            return new IrisCustomData(data, blockState);
+            return IrisCustomData.of(data, blockState);
         } else if (NexoFurniture.isFurniture(blockId.key())) {
-            return new IrisCustomData(B.getAir(), blockState);
+            return IrisCustomData.of(B.getAir(), blockState);
         }
 
         throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
     }
 
+    @Override
+    public @NotNull List<BlockProperty> getBlockProperties(@NotNull Identifier blockId) throws MissingResourceException {
+        if (!NexoItems.exists(blockId.key())) {
+            throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+        }
+
+        return NexoFurniture.isFurniture(blockId.key()) ? YAW_FACE_BIOME_PROPERTIES : List.of();
+    }
+
     @NotNull
     @Override
     public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
@@ -66,7 +73,12 @@ public class NexoDataProvider extends ExternalDataProvider {
         if (builder == null) {
             throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
         }
-        return builder.build();
+        try {
+            return builder.build();
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
+        }
     }
 
     @Override
@@ -125,9 +137,4 @@ public class NexoDataProvider extends ExternalDataProvider {
         if (dataType == DataType.ENTITY) return false;
         return "nexo".equalsIgnoreCase(id.namespace());
     }
-
-    @Override
-    public boolean isReady() {
-        return super.isReady() && !failed.get();
-    }
 }

core/src/main/java/com/volmit/iris/core/loader/IrisData.java

@@ -24,6 +24,7 @@ import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonToken;
 import com.google.gson.stream.JsonWriter;
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.scripting.environment.PackEnvironment;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.*;
@@ -33,6 +34,8 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.format.C;
+import com.volmit.iris.util.mantle.flag.MantleFlagAdapter;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
@@ -40,14 +43,14 @@ import com.volmit.iris.util.reflect.KeyedType;
 import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
 import lombok.Data;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.File;
 import java.io.FileReader;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.Objects;
-import java.util.function.Function;
+import java.util.*;
 
 @Data
 public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
@@ -55,6 +58,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     private final File dataFolder;
     private final int id;
     private boolean closed = false;
+    private PackEnvironment environment;
     private ResourceLoader<IrisBiome> biomeLoader;
     private ResourceLoader<IrisLootTable> lootLoader;
     private ResourceLoader<IrisRegion> regionLoader;
@@ -94,8 +98,12 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         return dataLoaders.computeIfAbsent(dataFolder, IrisData::new);
     }
 
+    public static Optional<IrisData> getLoaded(File dataFolder) {
+        return Optional.ofNullable(dataLoaders.get(dataFolder));
+    }
+
     public static void dereference() {
-        dataLoaders.v().forEach(IrisData::cleanupEngine);
+        dataLoaders.values().forEach(IrisData::cleanupEngine);
     }
 
     public static int cacheSize() {
@@ -113,92 +121,100 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         Iris.warn("  " + rl.getResourceTypeName() + " @ /" + rl.getFolderName() + ": Cache=" + rl.getLoadCache().getSize() + " Folders=" + rl.getFolders().size());
     }
 
-    public static IrisObject loadAnyObject(String key) {
-        return loadAny(key, (dm) -> dm.getObjectLoader().load(key, false));
+    public static IrisObject loadAnyObject(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisObject.class, key, nearest);
     }
 
-    public static IrisMatterObject loadAnyMatter(String key) {
-        return loadAny(key, (dm) -> dm.getMatterLoader().load(key, false));
+    public static IrisMatterObject loadAnyMatter(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisMatterObject.class, key, nearest);
     }
 
-    public static IrisBiome loadAnyBiome(String key) {
-        return loadAny(key, (dm) -> dm.getBiomeLoader().load(key, false));
+    public static IrisBiome loadAnyBiome(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisBiome.class, key, nearest);
     }
 
-    public static IrisExpression loadAnyExpression(String key) {
-        return loadAny(key, (dm) -> dm.getExpressionLoader().load(key, false));
+    public static IrisExpression loadAnyExpression(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisExpression.class, key, nearest);
     }
 
-    public static IrisMod loadAnyMod(String key) {
-        return loadAny(key, (dm) -> dm.getModLoader().load(key, false));
+    public static IrisMod loadAnyMod(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisMod.class, key, nearest);
     }
 
-    public static IrisJigsawPiece loadAnyJigsawPiece(String key) {
-        return loadAny(key, (dm) -> dm.getJigsawPieceLoader().load(key, false));
+    public static IrisJigsawPiece loadAnyJigsawPiece(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisJigsawPiece.class, key, nearest);
     }
 
-    public static IrisJigsawPool loadAnyJigsawPool(String key) {
-        return loadAny(key, (dm) -> dm.getJigsawPoolLoader().load(key, false));
+    public static IrisJigsawPool loadAnyJigsawPool(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisJigsawPool.class, key, nearest);
     }
 
-    public static IrisEntity loadAnyEntity(String key) {
-        return loadAny(key, (dm) -> dm.getEntityLoader().load(key, false));
+    public static IrisEntity loadAnyEntity(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisEntity.class, key, nearest);
     }
 
-    public static IrisLootTable loadAnyLootTable(String key) {
-        return loadAny(key, (dm) -> dm.getLootLoader().load(key, false));
+    public static IrisLootTable loadAnyLootTable(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisLootTable.class, key, nearest);
     }
 
-    public static IrisBlockData loadAnyBlock(String key) {
-        return loadAny(key, (dm) -> dm.getBlockLoader().load(key, false));
+    public static IrisBlockData loadAnyBlock(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisBlockData.class, key, nearest);
     }
 
-    public static IrisSpawner loadAnySpaner(String key) {
-        return loadAny(key, (dm) -> dm.getSpawnerLoader().load(key, false));
+    public static IrisSpawner loadAnySpaner(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisSpawner.class, key, nearest);
     }
 
-    public static IrisScript loadAnyScript(String key) {
-        return loadAny(key, (dm) -> dm.getScriptLoader().load(key, false));
+    public static IrisScript loadAnyScript(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisScript.class, key, nearest);
     }
 
-    public static IrisRavine loadAnyRavine(String key) {
-        return loadAny(key, (dm) -> dm.getRavineLoader().load(key, false));
+    public static IrisRavine loadAnyRavine(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisRavine.class, key, nearest);
     }
 
-    public static IrisRegion loadAnyRegion(String key) {
-        return loadAny(key, (dm) -> dm.getRegionLoader().load(key, false));
+    public static IrisRegion loadAnyRegion(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisRegion.class, key, nearest);
     }
 
-    public static IrisMarker loadAnyMarker(String key) {
-        return loadAny(key, (dm) -> dm.getMarkerLoader().load(key, false));
+    public static IrisMarker loadAnyMarker(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisMarker.class, key, nearest);
     }
 
-    public static IrisCave loadAnyCave(String key) {
-        return loadAny(key, (dm) -> dm.getCaveLoader().load(key, false));
+    public static IrisCave loadAnyCave(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisCave.class, key, nearest);
     }
 
-    public static IrisImage loadAnyImage(String key) {
-        return loadAny(key, (dm) -> dm.getImageLoader().load(key, false));
+    public static IrisImage loadAnyImage(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisImage.class, key, nearest);
     }
 
-    public static IrisDimension loadAnyDimension(String key) {
-        return loadAny(key, (dm) -> dm.getDimensionLoader().load(key, false));
+    public static IrisDimension loadAnyDimension(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisDimension.class, key, nearest);
     }
 
-    public static IrisJigsawStructure loadAnyJigsawStructure(String key) {
-        return loadAny(key, (dm) -> dm.getJigsawStructureLoader().load(key, false));
+    public static IrisJigsawStructure loadAnyJigsawStructure(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisJigsawStructure.class, key, nearest);
     }
 
-    public static IrisGenerator loadAnyGenerator(String key) {
-        return loadAny(key, (dm) -> dm.getGeneratorLoader().load(key, false));
+    public static IrisGenerator loadAnyGenerator(String key, @Nullable IrisData nearest) {
+        return loadAny(IrisGenerator.class, key, nearest);
     }
 
-    public static <T extends IrisRegistrant> T loadAny(String key, Function<IrisData, T> v) {
+    public static <T extends IrisRegistrant> T loadAny(Class<T> type, String key, @Nullable IrisData nearest) {
         try {
+            if (nearest != null) {
+                T t = nearest.load(type, key, false);
+                if (t != null) {
+                    return t;
+                }
+            }
+
             for (File i : Objects.requireNonNull(Iris.instance.getDataFolder("packs").listFiles())) {
                 if (i.isDirectory()) {
                     IrisData dm = get(i);
-                    T t = v.apply(dm);
+                    if (dm == nearest) continue;
+                    T t = dm.load(type, key, false);
 
                     if (t != null) {
                         return t;
@@ -213,6 +229,17 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         return null;
     }
 
+    public <T extends IrisRegistrant> T load(Class<T> type, String key, boolean warn) {
+        var loader = getLoader(type);
+        if (loader == null) return null;
+        return loader.load(key, warn);
+    }
+
+    @SuppressWarnings("unchecked")
+    public <T extends IrisRegistrant> ResourceLoader<T> getLoader(Class<T> type) {
+        return (ResourceLoader<T>) loaders.get(type);
+    }
+
     public ResourceLoader<?> getTypedLoaderFor(File f) {
         String[] k = f.getPath().split("\\Q" + File.separator + "\\E");
 
@@ -252,12 +279,20 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
                 }
             }
 
-            if (engine != null && t.getPreprocessors().isNotEmpty()) {
+            if (engine == null) return;
+            var global = engine.getDimension().getPreProcessors(t.getFolderName());
+            var local = t.getPreprocessors();
+            if ((global != null && global.isNotEmpty()) || local.isNotEmpty()) {
                 synchronized (this) {
-                    engine.getExecution().getAPI().setPreprocessorObject(t);
+                    if (global != null) {
+                        for (String i : global) {
+                            engine.getExecution().preprocessObject(i, t);
+                            Iris.debug("Loader<" + C.GREEN + t.getTypeName() + C.LIGHT_PURPLE + "> iprocess " + C.YELLOW + t.getLoadKey() + C.LIGHT_PURPLE + " in <rainbow>" + i);
+                        }
+                    }
 
-                    for (String i : t.getPreprocessors()) {
-                        engine.getExecution().execute(i);
+                    for (String i : local) {
+                        engine.getExecution().preprocessObject(i, t);
                         Iris.debug("Loader<" + C.GREEN + t.getTypeName() + C.LIGHT_PURPLE + "> iprocess " + C.YELLOW + t.getLoadKey() + C.LIGHT_PURPLE + " in <rainbow>" + i);
                     }
                 }
@@ -271,6 +306,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     public void close() {
         closed = true;
         dump();
+        dataLoaders.remove(dataFolder);
     }
 
     public IrisData copy() {
@@ -311,12 +347,14 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     }
 
     public synchronized void hotloaded() {
+        closed = false;
         possibleSnippets = new KMap<>();
         builder = new GsonBuilder()
                 .addDeserializationExclusionStrategy(this)
                 .addSerializationExclusionStrategy(this)
                 .setLenient()
                 .registerTypeAdapterFactory(this)
+                .registerTypeAdapter(MantleFlag.class, new MantleFlagAdapter())
                 .setPrettyPrinting();
         loaders.clear();
         File packs = dataFolder;
@@ -341,9 +379,18 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         this.imageLoader = registerLoader(IrisImage.class);
         this.scriptLoader = registerLoader(IrisScript.class);
         this.matterObjectLoader = registerLoader(IrisMatterObject.class);
+        this.environment = PackEnvironment.create(this);
         builder.registerTypeAdapterFactory(KeyedType::createTypeAdapter);
 
         gson = builder.create();
+        dimensionLoader.streamAll()
+                .map(IrisDimension::getDataScripts)
+                .flatMap(KList::stream)
+                .forEach(environment::execute);
+
+        if (engine != null) {
+            engine.hotload();
+        }
     }
 
     public void dump() {
@@ -359,6 +406,33 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         possibleSnippets.clear();
     }
 
+    public Set<Class<?>> resolveSnippets() {
+        var result = new HashSet<Class<?>>();
+        var processed = new HashSet<Class<?>>();
+        var excluder = gson.excluder();
+
+        var queue = new LinkedList<Class<?>>(loaders.keySet());
+        while (!queue.isEmpty()) {
+            var type = queue.poll();
+            if (excluder.excludeClass(type, false) || !processed.add(type))
+                continue;
+            if (type.isAnnotationPresent(Snippet.class))
+                result.add(type);
+
+            try {
+                for (var field : type.getDeclaredFields()) {
+                    if (excluder.excludeField(field, false))
+                        continue;
+
+                    queue.add(field.getType());
+                }
+            } catch (Throwable ignored) {
+            }
+        }
+
+        return result;
+    }
+
     public String toLoadKey(File f) {
         if (f.getPath().startsWith(getDataFolder().getPath())) {
             String[] full = f.getPath().split("\\Q" + File.separator + "\\E");
@@ -405,6 +479,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         }
 
         String snippetType = typeToken.getRawType().getDeclaredAnnotation(Snippet.class).value();
+        String snippedBase = "snippet/" + snippetType + "/";
 
         return new TypeAdapter<>() {
             @Override
@@ -418,19 +493,20 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
 
                 if (reader.peek().equals(JsonToken.STRING)) {
                     String r = reader.nextString();
+                    if (!r.startsWith("snippet/"))
+                        return null;
+                    if (!r.startsWith(snippedBase))
+                        r = snippedBase + r.substring(8);
 
-                    if (r.startsWith("snippet/" + snippetType + "/")) {
-                        File f = new File(getDataFolder(), r + ".json");
-
-                        if (f.exists()) {
-                            try (JsonReader snippetReader = new JsonReader(new FileReader(f))){
-                                return adapter.read(snippetReader);
-                            } catch (Throwable e) {
-                                Iris.error("Couldn't read snippet " + r + " in " + reader.getPath() + " (" + e.getMessage() + ")");
-                            }
-                        } else {
-                            Iris.error("Couldn't find snippet " + r + " in " + reader.getPath());
+                    File f = new File(getDataFolder(), r + ".json");
+                    if (f.exists()) {
+                        try (JsonReader snippetReader = new JsonReader(new FileReader(f))){
+                            return adapter.read(snippetReader);
+                        } catch (Throwable e) {
+                            Iris.error("Couldn't read snippet " + r + " in " + reader.getPath() + " (" + e.getMessage() + ")");
                         }
+                    } else {
+                        Iris.error("Couldn't find snippet " + r + " in " + reader.getPath());
                     }
 
                     return null;
@@ -468,7 +544,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
                         .map(s -> s.substring(absPath.length() + 1))
                         .map(s -> s.replace("\\", "/"))
                         .map(s -> s.split("\\Q.\\E")[0])
-                        .forEach(s -> l.add("snippet/" + f + "/" + s));
+                        .forEach(s -> l.add("snippet/" + s));
             } catch (Throwable e) {
                 e.printStackTrace();
             }
@@ -482,7 +558,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     }
 
     public void savePrefetch(Engine engine) {
-        BurstExecutor b = MultiBurst.burst.burst(loaders.size());
+        BurstExecutor b = MultiBurst.ioBurst.burst(loaders.size());
 
         for (ResourceLoader<?> i : loaders.values()) {
             b.queue(() -> {
@@ -499,7 +575,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     }
 
     public void loadPrefetch(Engine engine) {
-        BurstExecutor b = MultiBurst.burst.burst(loaders.size());
+        BurstExecutor b = MultiBurst.ioBurst.burst(loaders.size());
 
         for (ResourceLoader<?> i : loaders.values()) {
             b.queue(() -> {

core/src/main/java/com/volmit/iris/core/loader/IrisRegistrant.java

@@ -28,17 +28,19 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.json.JSONObject;
 import com.volmit.iris.util.plugin.VolmitSender;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
 import java.awt.*;
 import java.io.File;
 
 @Data
 public abstract class IrisRegistrant {
-    @Desc("Preprocess this object in-memory when it's loaded, run scripts using the variable 'Iris.getPreprocessorObject()' and modify properties about this object before it's used.")
+    @Desc("Preprocess this object in-memory when it's loaded, run scripts using the variable 'object' and modify properties about this object before it's used.\nFile extension: .proc.kts")
     @RegistryListResource(IrisScript.class)
     @ArrayType(min = 1, type = String.class)
     private KList<String> preprocessors = new KList<>();
 
+    @EqualsAndHashCode.Exclude
     private transient IrisData loader;
 
     private transient String loadKey;

core/src/main/java/com/volmit/iris/core/loader/ResourceLoader.java

@@ -23,6 +23,7 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.project.SchemaBuilder;
 import com.volmit.iris.core.service.PreservationSVC;
+import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.MeteredCache;
 import com.volmit.iris.util.collection.KList;
@@ -44,10 +45,10 @@ import lombok.EqualsAndHashCode;
 import lombok.ToString;
 
 import java.io.*;
+import java.util.Arrays;
+import java.util.HashSet;
 import java.util.Locale;
-import java.util.Objects;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
@@ -60,7 +61,7 @@ import java.util.zip.GZIPOutputStream;
 public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     public static final AtomicDouble tlt = new AtomicDouble(0);
     private static final int CACHE_SIZE = 100000;
-    protected final AtomicReference<KList<File>> folderCache;
+    protected final AtomicCache<KList<File>> folderCache;
     protected KSet<String> firstAccess;
     protected File root;
     protected String folderName;
@@ -76,7 +77,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     public ResourceLoader(File root, IrisData manager, String folderName, String resourceTypeName, Class<? extends T> objectClass) {
         this.manager = manager;
         firstAccess = new KSet<>();
-        folderCache = new AtomicReference<>();
+        folderCache = new AtomicCache<>();
         sec = new ChronoLatch(5000);
         loads = new AtomicInteger();
         this.objectClass = objectClass;
@@ -170,7 +171,6 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
             return possibleKeys;
         }
 
-        KSet<String> m = new KSet<>();
         KList<File> files = getFolders();
 
         if (files == null) {
@@ -178,6 +178,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
             return possibleKeys;
         }
 
+        HashSet<String> m = new HashSet<>();
         for (File i : files) {
             for (File j : matchAllFiles(i, (f) -> f.getName().endsWith(".json"))) {
                 m.add(i.toURI().relativize(j.toURI()).getPath().replaceAll("\\Q.json\\E", ""));
@@ -216,6 +217,10 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
         return j;
     }
 
+    public Stream<T> streamAll() {
+        return streamAll(Arrays.stream(getPossibleKeys()));
+    }
+
     public Stream<T> streamAll(Stream<String> s) {
         return s.map(this::load);
     }
@@ -236,7 +241,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
 
     public KList<T> loadAllParallel(KList<String> s) {
         KList<T> m = new KList<>();
-        BurstExecutor burst = MultiBurst.burst.burst(s.size());
+        BurstExecutor burst = MultiBurst.ioBurst.burst(s.size());
 
         for (String i : s) {
             burst.queue(() -> {
@@ -315,7 +320,8 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
             return null;
         }
 
-        firstAccess.add(name);
+        var set = firstAccess;
+        if (set != null) firstAccess.add(name);
         return loadCache.get(name);
     }
 
@@ -338,21 +344,24 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
         }
 
         din.close();
-        file.deleteOnExit();
         Iris.info("Loading " + s.size() + " prefetch " + getFolderName());
+        firstAccess = null;
         loadAllParallel(s);
     }
 
     public void saveFirstAccess(Engine engine) throws IOException {
+        if (firstAccess == null) return;
         String id = "DIM" + Math.abs(engine.getSeedManager().getSeed() + engine.getDimension().getVersion() + engine.getDimension().getLoadKey().hashCode());
         File file = Iris.instance.getDataFile("prefetch/" + id + "/" + Math.abs(getFolderName().hashCode()) + ".ipfch");
         file.getParentFile().mkdirs();
         FileOutputStream fos = new FileOutputStream(file);
         GZIPOutputStream gzo = new CustomOutputStream(fos, 9);
         DataOutputStream dos = new DataOutputStream(gzo);
-        dos.writeInt(firstAccess.size());
+        var set = firstAccess;
+        firstAccess = null;
+        dos.writeInt(set.size());
 
-        for (String i : firstAccess) {
+        for (String i : set) {
             dos.writeUTF(i);
         }
 
@@ -361,29 +370,24 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     }
 
     public KList<File> getFolders() {
-        synchronized (folderCache) {
-            if (folderCache.get() == null) {
-                KList<File> fc = new KList<>();
+        return folderCache.aquire(() -> {
+            KList<File> fc = new KList<>();
 
-                File[] files = root.listFiles();
-                if (files == null) {
-                    throw new IllegalStateException("Failed to list files in " + root);
-                }
+            File[] files = root.listFiles();
+            if (files == null) {
+                throw new IllegalStateException("Failed to list files in " + root);
+            }
 
-                for (File i : files) {
-                    if (i.isDirectory()) {
-                        if (i.getName().equals(folderName)) {
-                            fc.add(i);
-                            break;
-                        }
+            for (File i : files) {
+                if (i.isDirectory()) {
+                    if (i.getName().equals(folderName)) {
+                        fc.add(i);
+                        break;
                     }
                 }
-
-                folderCache.set(fc);
             }
-        }
-
-        return folderCache.get();
+            return fc;
+        });
     }
 
     public KList<File> getFolders(String rc) {
@@ -403,7 +407,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     public void clearCache() {
         possibleKeys = null;
         loadCache.invalidate();
-        folderCache.set(null);
+        folderCache.reset();
     }
 
     public File fileFor(T b) {
@@ -429,7 +433,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     }
 
     public void clearList() {
-        folderCache.set(null);
+        folderCache.reset();
         possibleKeys = null;
     }
 

core/src/main/java/com/volmit/iris/core/loader/ScriptResourceLoader.java

@@ -82,8 +82,8 @@ public class ScriptResourceLoader extends ResourceLoader<IrisScript> {
     private Set<String> getKeysInDirectory(File directory) {
         Set<String> keys = new HashSet<>();
         for (File file : directory.listFiles()) {
-            if (file.isFile() && file.getName().endsWith(".js")) {
-                keys.add(file.getName().replaceAll("\\Q.js\\E", ""));
+            if (file.isFile() && file.getName().endsWith(".kts")) {
+                keys.add(file.getName().replaceAll("\\Q.kts\\E", ""));
             } else if (file.isDirectory()) {
                 keys.addAll(getKeysInDirectory(file));
             }
@@ -127,12 +127,12 @@ public class ScriptResourceLoader extends ResourceLoader<IrisScript> {
     public File findFile(String name) {
         for (File i : getFolders(name)) {
             for (File j : i.listFiles()) {
-                if (j.isFile() && j.getName().endsWith(".js") && j.getName().split("\\Q.\\E")[0].equals(name)) {
+                if (j.isFile() && j.getName().endsWith(".kts") && j.getName().split("\\Q.\\E")[0].equals(name)) {
                     return j;
                 }
             }
 
-            File file = new File(i, name + ".js");
+            File file = new File(i, name + ".kts");
 
             if (file.exists()) {
                 return file;
@@ -147,12 +147,12 @@ public class ScriptResourceLoader extends ResourceLoader<IrisScript> {
     private IrisScript loadRaw(String name) {
         for (File i : getFolders(name)) {
             for (File j : i.listFiles()) {
-                if (j.isFile() && j.getName().endsWith(".js") && j.getName().split("\\Q.\\E")[0].equals(name)) {
+                if (j.isFile() && j.getName().endsWith(".kts") && j.getName().split("\\Q.\\E")[0].equals(name)) {
                     return loadFile(j, name);
                 }
             }
 
-            File file = new File(i, name + ".js");
+            File file = new File(i, name + ".kts");
 
             if (file.exists()) {
                 return loadFile(file, name);

core/src/main/java/com/volmit/iris/core/nms/INMS.java

@@ -28,9 +28,11 @@ import java.util.List;
 public class INMS {
     private static final Version CURRENT = Boolean.getBoolean("iris.no-version-limit") ?
             new Version(Integer.MAX_VALUE, Integer.MAX_VALUE, null) :
-            new Version(21, 8, null);
+            new Version(21, 11, null);
 
     private static final List<Version> REVISION = List.of(
+            new Version(21, 11, "v1_21_R7"),
+            new Version(21, 9, "v1_21_R6"),
             new Version(21, 6, "v1_21_R5"),
             new Version(21, 5, "v1_21_R4"),
             new Version(21, 4, "v1_21_R3"),

core/src/main/java/com/volmit/iris/core/nms/INMSBinding.java

@@ -18,7 +18,10 @@
 
 package com.volmit.iris.core.nms;
 
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
+import com.volmit.iris.core.nms.container.StructurePlacement;
 import com.volmit.iris.core.nms.datapack.DataVersion;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.platform.PlatformChunkGenerator;
@@ -36,9 +39,9 @@ import org.bukkit.entity.EntityType;
 import org.bukkit.event.entity.CreatureSpawnEvent;
 import org.bukkit.generator.ChunkGenerator;
 import org.bukkit.inventory.ItemStack;
-import org.jetbrains.annotations.Nullable;
 
 import java.awt.Color;
+import java.util.List;
 
 public interface INMSBinding {
     boolean hasTile(Material material);
@@ -119,7 +122,7 @@ public interface INMSBinding {
     Color getBiomeColor(Location location, BiomeColor type);
 
     default DataVersion getDataVersion() {
-        return DataVersion.V1192;
+        return DataVersion.V1_19_2;
     }
 
     default int getSpawnChunkCount(World world) {
@@ -133,4 +136,10 @@ public interface INMSBinding {
     default boolean injectBukkit() {
         return true;
     }
+
+    KMap<Material, List<BlockProperty>> getBlockProperties();
+
+    void placeStructures(Chunk chunk);
+
+    KMap<Identifier, StructurePlacement> collectStructures();
 }

core/src/main/java/com/volmit/iris/core/nms/container/BlockProperty.java

@@ -0,0 +1,154 @@
+package com.volmit.iris.core.nms.container;
+
+import com.volmit.iris.util.json.JSONArray;
+import com.volmit.iris.util.json.JSONObject;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.*;
+import java.util.function.Function;
+
+public class BlockProperty {
+    private static final Set<Class<?>> NATIVES = Set.of(Byte.class, Short.class, Integer.class, Long.class, Float.class, Double.class, Boolean.class, String.class);
+    private final String name;
+    private final Class<?> type;
+
+    private final Object defaultValue;
+    private final Set<Object> values;
+    private final Function<Object, String> nameFunction;
+    private final Function<Object, Object> jsonFunction;
+
+    public  <T extends Comparable<T>> BlockProperty(
+            String name,
+            Class<T> type,
+            T defaultValue,
+            Collection<T> values,
+            Function<T, String> nameFunction
+    ) {
+        this.name = name;
+        this.type = type;
+        this.defaultValue = defaultValue;
+        this.values = Collections.unmodifiableSet(new TreeSet<>(values));
+        this.nameFunction = (Function<Object, String>) (Object) nameFunction;
+        jsonFunction = NATIVES.contains(type) ? Function.identity() : this.nameFunction::apply;
+    }
+
+    public static <T extends Enum<T>> BlockProperty ofEnum(Class<T> type, String name, T defaultValue) {
+        return new BlockProperty(
+                name,
+                type,
+                defaultValue,
+                Arrays.asList(type.getEnumConstants()),
+                val -> val == null ? "null" : val.name()
+        );
+    }
+
+    public static BlockProperty ofFloat(String name, float defaultValue, float min, float max, boolean exclusiveMin, boolean exclusiveMax) {
+        return new BoundedDouble(
+                name,
+                defaultValue,
+                min,
+                max,
+                exclusiveMin,
+                exclusiveMax,
+                (f) -> String.format("%.2f", f)
+        );
+    }
+
+    public static BlockProperty ofBoolean(String name, boolean defaultValue) {
+        return new BlockProperty(
+                name,
+                Boolean.class,
+                defaultValue,
+                List.of(true, false),
+                (b) -> b ? "true" : "false"
+        );
+    }
+
+    @Override
+    public @NotNull String toString() {
+        return name + "=" + nameFunction.apply(defaultValue) + " [" + String.join(",", names()) + "]";
+    }
+
+    public String name() {
+        return name;
+    }
+
+    public String defaultValue() {
+        return nameFunction.apply(defaultValue);
+    }
+
+    public List<String> names() {
+        return values.stream().map(nameFunction).toList();
+    }
+
+    public Object defaultValueAsJson() {
+        return jsonFunction.apply(defaultValue);
+    }
+
+    public JSONArray valuesAsJson() {
+        return new JSONArray(values.stream().map(jsonFunction).toList());
+    }
+
+    public JSONObject buildJson() {
+        var json = new JSONObject();
+        json.put("type", jsonType());
+        json.put("default", defaultValueAsJson());
+        if (!values.isEmpty()) json.put("enum", valuesAsJson());
+        return json;
+    }
+
+    public String jsonType() {
+        if (type == Boolean.class)
+            return "boolean";
+        if (type == Byte.class || type == Short.class || type == Integer.class || type == Long.class)
+            return "integer";
+        if (type == Float.class || type == Double.class)
+            return "number";
+        return "string";
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) return true;
+        if (obj == null || obj.getClass() != this.getClass()) return false;
+        var that = (BlockProperty) obj;
+        return Objects.equals(this.name, that.name) &&
+                Objects.equals(this.values, that.values) &&
+                Objects.equals(this.type, that.type);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, values, type);
+    }
+
+    private static class BoundedDouble extends BlockProperty {
+        private final double min, max;
+        private final boolean exclusiveMin, exclusiveMax;
+
+        public BoundedDouble(
+                String name,
+                double defaultValue,
+                double min,
+                double max,
+                boolean exclusiveMin,
+                boolean exclusiveMax,
+                Function<Double, String> nameFunction
+        ) {
+            super(name, Double.class, defaultValue, List.of(), nameFunction);
+            this.min = min;
+            this.max = max;
+            this.exclusiveMin = exclusiveMin;
+            this.exclusiveMax = exclusiveMax;
+        }
+
+        @Override
+        public JSONObject buildJson() {
+            return super.buildJson()
+                    .put("minimum", min)
+                    .put("maximum", max)
+                    .put("exclusiveMinimum", exclusiveMin)
+                    .put("exclusiveMaximum", exclusiveMax);
+        }
+    }
+}

core/src/main/java/com/volmit/iris/core/nms/container/StructurePlacement.java

@@ -0,0 +1,77 @@
+package com.volmit.iris.core.nms.container;
+
+import com.google.gson.JsonObject;
+import com.volmit.iris.engine.object.IrisJigsawStructurePlacement.SpreadType;
+import lombok.*;
+import lombok.experimental.Accessors;
+import lombok.experimental.SuperBuilder;
+import org.apache.commons.math3.fraction.Fraction;
+
+import java.util.List;
+
+@Data
+@SuperBuilder
+@Accessors(fluent = true, chain = true)
+public abstract class StructurePlacement {
+    private final int salt;
+    private final float frequency;
+    private final List<Structure> structures;
+
+    public abstract JsonObject toJson(String structure);
+
+    protected JsonObject createBase(String structure) {
+        JsonObject object = new JsonObject();
+        object.addProperty("structure", structure);
+        object.addProperty("salt", salt);
+        return object;
+    }
+
+    public int frequencyToSpacing() {
+        var frac = new Fraction(Math.max(Math.min(frequency, 1), 0.000000001f));
+        return (int) Math.round(Math.sqrt((double) frac.getDenominator() / frac.getNumerator()));
+    }
+
+    @Getter
+    @Accessors(chain = true, fluent = true)
+    @EqualsAndHashCode(callSuper = true)
+    @SuperBuilder
+    public static class RandomSpread extends StructurePlacement {
+        private final int spacing;
+        private final int separation;
+        private final SpreadType spreadType;
+
+        @Override
+        public JsonObject toJson(String structure) {
+            JsonObject object = createBase(structure);
+            object.addProperty("spacing", Math.max(spacing, frequencyToSpacing()));
+            object.addProperty("separation", separation);
+            object.addProperty("spreadType", spreadType.name());
+            return object;
+        }
+    }
+
+    @Getter
+    @EqualsAndHashCode(callSuper = true)
+    @SuperBuilder
+    public static class ConcentricRings extends StructurePlacement {
+        private final int distance;
+        private final int spread;
+        private final int count;
+
+        @Override
+        public JsonObject toJson(String structure) {
+            return null;
+        }
+    }
+
+    public record Structure(
+            int weight,
+            String key,
+            List<String> tags
+    ) {
+
+        public boolean isValid() {
+            return weight > 0 && key != null;
+        }
+    }
+}

core/src/main/java/com/volmit/iris/core/nms/datapack/DataVersion.java

@@ -4,6 +4,7 @@ import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.datapack.v1192.DataFixerV1192;
 import com.volmit.iris.core.nms.datapack.v1206.DataFixerV1206;
 import com.volmit.iris.core.nms.datapack.v1213.DataFixerV1213;
+import com.volmit.iris.core.nms.datapack.v1217.DataFixerV1217;
 import com.volmit.iris.util.collection.KMap;
 import lombok.AccessLevel;
 import lombok.Getter;
@@ -14,9 +15,10 @@ import java.util.function.Supplier;
 @Getter
 public enum DataVersion {
     UNSUPPORTED("0.0.0", 0, () -> null),
-    V1192("1.19.2", 10, DataFixerV1192::new),
-    V1205("1.20.6", 41, DataFixerV1206::new),
-    V1213("1.21.3", 57, DataFixerV1213::new);
+    V1_19_2("1.19.2", 10, DataFixerV1192::new),
+    V1_20_5("1.20.6", 41, DataFixerV1206::new),
+    V1_21_3("1.21.3", 57, DataFixerV1213::new),
+    V1_21_11("1.21.11", 75, DataFixerV1217::new);
     private static final KMap<DataVersion, IDataFixer> cache = new KMap<>();
     @Getter(AccessLevel.NONE)
     private final Supplier<IDataFixer> constructor;

core/src/main/java/com/volmit/iris/core/nms/datapack/v1217/DataFixerV1217.java

@@ -0,0 +1,170 @@
+package com.volmit.iris.core.nms.datapack.v1217;
+
+import com.volmit.iris.core.nms.datapack.v1213.DataFixerV1213;
+import com.volmit.iris.engine.object.IrisBiomeCustom;
+import com.volmit.iris.util.json.JSONArray;
+import com.volmit.iris.util.json.JSONObject;
+
+import java.util.Map;
+
+public class DataFixerV1217 extends DataFixerV1213 {
+    private static final Map<Dimension, String> DIMENSIONS = Map.of(
+            Dimension.OVERWORLD, """
+                    {
+                      "ambient_light": 0.0,
+                      "attributes": {
+                        "minecraft:audio/ambient_sounds": {
+                          "mood": {
+                            "block_search_extent": 8,
+                            "offset": 2.0,
+                            "sound": "minecraft:ambient.cave",
+                            "tick_delay": 6000
+                          }
+                        },
+                        "minecraft:audio/background_music": {
+                          "creative": {
+                            "max_delay": 24000,
+                            "min_delay": 12000,
+                            "sound": "minecraft:music.creative"
+                          },
+                          "default": {
+                            "max_delay": 24000,
+                            "min_delay": 12000,
+                            "sound": "minecraft:music.game"
+                          }
+                        },
+                        "minecraft:visual/cloud_color": "#ccffffff",
+                        "minecraft:visual/fog_color": "#c0d8ff",
+                        "minecraft:visual/sky_color": "#78a7ff"
+                      },
+                      "timelines": "#minecraft:in_overworld"
+                    }""",
+            Dimension.NETHER, """
+                    {
+                      "ambient_light": 0.1,
+                      "attributes": {
+                        "minecraft:gameplay/sky_light_level": 4.0,
+                        "minecraft:gameplay/snow_golem_melts": true,
+                        "minecraft:visual/fog_end_distance": 96.0,
+                        "minecraft:visual/fog_start_distance": 10.0,
+                        "minecraft:visual/sky_light_color": "#7a7aff",
+                        "minecraft:visual/sky_light_factor": 0.0
+                      },
+                      "cardinal_light": "nether",
+                      "skybox": "none",
+                      "timelines": "#minecraft:in_nether"
+                    }""",
+            Dimension.END, """
+                    {
+                      "ambient_light": 0.25,
+                      "attributes": {
+                        "minecraft:audio/ambient_sounds": {
+                          "mood": {
+                            "block_search_extent": 8,
+                            "offset": 2.0,
+                            "sound": "minecraft:ambient.cave",
+                            "tick_delay": 6000
+                          }
+                        },
+                        "minecraft:audio/background_music": {
+                          "default": {
+                            "max_delay": 24000,
+                            "min_delay": 6000,
+                            "replace_current_music": true,
+                            "sound": "minecraft:music.end"
+                          }
+                        },
+                        "minecraft:visual/fog_color": "#181318",
+                        "minecraft:visual/sky_color": "#000000",
+                        "minecraft:visual/sky_light_color": "#e580ff",
+                        "minecraft:visual/sky_light_factor": 0.0
+                      },
+                      "skybox": "end",
+                      "timelines": "#minecraft:in_end"
+                    }"""
+    );
+
+    @Override
+    public JSONObject fixCustomBiome(IrisBiomeCustom biome, JSONObject json) {
+        json = super.fixCustomBiome(biome, json);
+        var effects = json.getJSONObject("effects");
+        var attributes = new JSONObject();
+
+        attributes.put("minecraft:visual/fog_color", effects.remove("fog_color"));
+        attributes.put("minecraft:visual/sky_color", effects.remove("sky_color"));
+        attributes.put("minecraft:visual/water_fog_color", effects.remove("water_fog_color"));
+
+        JSONObject particle = (JSONObject) effects.remove("particle");
+        if (particle != null) {
+            attributes.put("minecraft:visual/ambient_particles", new JSONArray()
+                    .put(particle.getJSONObject("options")
+                            .put("probability", particle.get("probability"))));
+        }
+        json.put("attributes", attributes);
+
+        return json;
+    }
+
+    @Override
+    public void fixDimension(Dimension dimension, JSONObject json) {
+        super.fixDimension(dimension, json);
+
+        var attributes = new JSONObject();
+        if ((Boolean) json.remove("ultrawarm")) {
+            attributes.put("minecraft:gameplay/water_evaporates", true);
+            attributes.put("minecraft:gameplay/fast_lava", true);
+            attributes.put("minecraft:gameplay/snow_golem_melts", true);
+            attributes.put("minecraft:visual/default_dripstone_particle", new JSONObject()
+                    .put("value", "minecraft:dripstone_drip_water_lava"));
+        }
+
+        if ((Boolean) json.remove("bed_works")) {
+            attributes.put("minecraft:gameplay/bed_rule", new JSONObject()
+                    .put("can_set_spawn", "always")
+                    .put("can_sleep", "when_dark")
+                    .put("error_message", new JSONObject()
+                            .put("translate", "block.minecraft.bed.no_sleep")));
+        } else {
+            attributes.put("minecraft:gameplay/bed_rule", new JSONObject()
+                    .put("can_set_spawn", "never")
+                    .put("can_sleep", "never")
+                    .put("explodes", true));
+        }
+
+        attributes.put("minecraft:gameplay/respawn_anchor_works", json.remove("respawn_anchor_works"));
+        attributes.put("minecraft:gameplay/piglins_zombify", json.remove("piglin_safe"));
+        attributes.put("minecraft:gameplay/can_start_raid", json.remove("has_raids"));
+
+        var cloud_height = json.remove("cloud_height");
+        if (cloud_height != null) attributes.put("minecraft:visual/cloud_height", cloud_height);
+
+        boolean natural = (Boolean) json.remove("natural");
+        attributes.put("minecraft:gameplay/nether_portal_spawns_piglin", natural);
+        if (natural != (dimension == Dimension.OVERWORLD)) {
+            attributes.put("minecraft:gameplay/eyeblossom_open", natural);
+            attributes.put("minecraft:gameplay/creaking_active", natural);
+        }
+
+        //json.put("has_fixed_time", json.remove("fixed_time") != null); //TODO investigate
+        json.put("attributes", attributes);
+
+        json.remove("effects");
+        var defaults = new JSONObject(DIMENSIONS.get(dimension));
+        merge(json, defaults);
+    }
+
+    private void merge(JSONObject base, JSONObject override) {
+        for (String key : override.keySet()) {
+            switch (base.opt(key)) {
+                case null -> base.put(key, override.opt(key));
+                case JSONObject base1 when override.opt(key) instanceof JSONObject override1 -> merge(base1, override1);
+                case JSONArray base1 when override.opt(key) instanceof JSONArray override1 -> {
+                    for (Object o : override1) {
+                        base1.put(o);
+                    }
+                }
+                default -> {}
+            }
+        }
+    }
+}

core/src/main/java/com/volmit/iris/core/nms/v1X/NMSBinding1X.java

@@ -19,9 +19,13 @@
 package com.volmit.iris.core.nms.v1X;
 
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.nms.INMSBinding;
 import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.nms.datapack.DataVersion;
+import com.volmit.iris.core.nms.container.Pair;
+import com.volmit.iris.core.nms.container.StructurePlacement;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
@@ -40,6 +44,7 @@ import org.bukkit.generator.structure.Structure;
 import org.bukkit.inventory.ItemStack;
 
 import java.awt.Color;
+import java.util.List;
 import java.util.stream.StreamSupport;
 
 public class NMSBinding1X implements INMSBinding {
@@ -124,6 +129,25 @@ public class NMSBinding1X implements INMSBinding {
         return false;
     }
 
+    @Override
+    public KMap<Material, List<BlockProperty>> getBlockProperties() {
+        KMap<Material, List<BlockProperty>> map = new KMap<>();
+        for (Material m : Material.values()) {
+            if (m.isBlock()) map.put(m, List.of());
+        }
+        return map;
+    }
+
+    @Override
+    public void placeStructures(Chunk chunk) {
+
+    }
+
+    @Override
+    public KMap<Identifier, StructurePlacement> collectStructures() {
+        return new KMap<>();
+    }
+
     @Override
     public CompoundTag serializeEntity(Entity location) {
         return null;

core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java

@@ -2,16 +2,15 @@ package com.volmit.iris.core.pregenerator;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
-import com.volmit.iris.core.nms.container.Pair;
+import com.volmit.iris.core.service.PreservationSVC;
 import com.volmit.iris.core.tools.IrisToolbelt;
-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.format.Form;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RollingSequence;
+import com.volmit.iris.util.plugin.chunk.TicketHolder;
 import com.volmit.iris.util.profile.LoadBalancer;
 import com.volmit.iris.util.scheduling.J;
 import io.papermc.lib.PaperLib;
@@ -21,7 +20,6 @@ import org.bukkit.World;
 
 import java.io.File;
 
-import java.util.ArrayList;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -31,7 +29,7 @@ public class ChunkUpdater {
     private static final String REGION_PATH = "region" + File.separator + "r.";
     private final AtomicBoolean paused = new AtomicBoolean();
     private final AtomicBoolean cancelled = new AtomicBoolean();
-    private final KMap<Long, Pair<Long, AtomicInteger>> lastUse = new KMap<>();
+    private final TicketHolder holder;
     private final RollingSequence chunksPerSecond = new RollingSequence(5);
     private final AtomicInteger totalMaxChunks = new AtomicInteger();
     private final AtomicInteger chunksProcessed = new AtomicInteger();
@@ -39,14 +37,14 @@ public class ChunkUpdater {
     private final AtomicInteger chunksUpdated = new AtomicInteger();
     private final AtomicBoolean serverEmpty = new AtomicBoolean(true);
     private final AtomicLong lastCpsTime = new AtomicLong(M.ms());
+    private final int maxConcurrency = IrisSettings.get().getUpdater().getMaxConcurrency();
     private final int coreLimit = (int) Math.max(Runtime.getRuntime().availableProcessors() * IrisSettings.get().getUpdater().getThreadMultiplier(), 1);
-    private final Semaphore semaphore = new Semaphore(256);
-    private final LoadBalancer loadBalancer = new LoadBalancer(semaphore, 256, IrisSettings.get().getUpdater().emptyMsRange);
+    private final Semaphore semaphore = new Semaphore(maxConcurrency);
+    private final LoadBalancer loadBalancer = new LoadBalancer(semaphore, maxConcurrency, IrisSettings.get().getUpdater().emptyMsRange);
     private final AtomicLong startTime = new AtomicLong();
     private final Dimensions dimensions;
     private final PregenTask task;
-    private final ExecutorService executor = Executors.newFixedThreadPool(coreLimit);
-    private final ExecutorService chunkExecutor = Executors.newFixedThreadPool(coreLimit);
+    private final ExecutorService chunkExecutor = IrisSettings.get().getUpdater().isNativeThreads() ? Executors.newFixedThreadPool(coreLimit) : Executors.newVirtualThreadPerTaskExecutor();
     private final ScheduledExecutorService scheduler  = Executors.newScheduledThreadPool(1);
     private final CountDownLatch latch;
     private final Engine engine;
@@ -55,6 +53,7 @@ public class ChunkUpdater {
     public ChunkUpdater(World world) {
         this.engine = IrisToolbelt.access(world).getEngine();
         this.world = world;
+        this.holder = Iris.tickets.getHolder(world);
         this.dimensions = calculateWorldDimensions(new File(world.getWorldFolder(), "region"));
         this.task = dimensions.task();
         this.totalMaxChunks.set(dimensions.count * 1024);
@@ -113,7 +112,6 @@ public class ChunkUpdater {
                     e.printStackTrace();
                 }
             }, 0, 3, TimeUnit.SECONDS);
-            scheduler.scheduleAtFixedRate(this::unloadChunks, 0, 1, TimeUnit.SECONDS);
             scheduler.scheduleAtFixedRate(() -> {
                 boolean empty = Bukkit.getOnlinePlayers().isEmpty();
                 if (serverEmpty.getAndSet(empty) == empty)
@@ -128,6 +126,7 @@ public class ChunkUpdater {
             t.setPriority(Thread.MAX_PRIORITY);
             t.start();
 
+            Iris.service(PreservationSVC.class).register(t);
         } catch (Exception e) {
             e.printStackTrace();
         }
@@ -138,8 +137,6 @@ public class ChunkUpdater {
             loadBalancer.close();
             semaphore.acquire(256);
 
-            executor.shutdown();
-            executor.awaitTermination(5, TimeUnit.SECONDS);
             chunkExecutor.shutdown();
             chunkExecutor.awaitTermination(5, TimeUnit.SECONDS);
             scheduler.shutdownNow();
@@ -200,20 +197,16 @@ public class ChunkUpdater {
             return;
         }
 
+        var mc = engine.getMantle().getMantle().getChunk(x, z).use();
         try {
             Chunk c = world.getChunkAt(x, z);
-            engine.getMantle().getMantle().getChunk(c);
             engine.updateChunk(c);
 
-            for (int xx = -1; xx <= 1; xx++) {
-                for (int zz = -1; zz <= 1; zz++) {
-                    var counter = lastUse.get(Cache.key(x + xx, z + zz));
-                    if (counter != null) counter.getB().decrementAndGet();
-                }
-            }
+            removeTickets(x, z);
         } finally {
             chunksUpdated.incrementAndGet();
             chunksProcessed.getAndIncrement();
+            mc.release();
         }
     }
 
@@ -235,41 +228,16 @@ public class ChunkUpdater {
             for (int dz = -1; dz <= 1; dz++) {
                 int xx = x + dx;
                 int zz = z + dz;
-                executor.submit(() -> {
-                    try {
-                        Chunk c;
-                        try {
-                            c = PaperLib.getChunkAtAsync(world, xx, zz, false, true)
-                                    .thenApply(chunk -> {
-                                        if (chunk != null)
-                                            chunk.addPluginChunkTicket(Iris.instance);
-                                        return chunk;
-                                    }).get();
-                        } catch (InterruptedException | ExecutionException e) {
-                            generated.set(false);
-                            return;
-                        }
-
-                        if (c == null) {
-                            generated.set(false);
-                            return;
-                        }
-
-                        if (!c.isLoaded()) {
-                            var future = J.sfut(() -> c.load(false));
-                            if (future != null) future.join();
-                        }
-
-                        if (!PaperLib.isChunkGenerated(c.getWorld(), xx, zz))
-                            generated.set(false);
-
-                        var pair = lastUse.computeIfAbsent(Cache.key(c), k -> new Pair<>(0L, new AtomicInteger(-1)));
-                        pair.setA(M.ms());
-                        pair.getB().updateAndGet(i -> i == -1 ? 1 : ++i);
-                    } finally {
-                        latch.countDown();
-                    }
-                });
+                PaperLib.getChunkAtAsync(world, xx, zz, false, true)
+                        .thenAccept(chunk -> {
+                            if (chunk == null || !chunk.isGenerated()) {
+                                latch.countDown();
+                                generated.set(false);
+                                return;
+                            }
+                            holder.addTicket(chunk);
+                            latch.countDown();
+                        });
             }
         }
 
@@ -278,27 +246,16 @@ public class ChunkUpdater {
         } catch (InterruptedException e) {
             Iris.info("Interrupted while waiting for chunks to load");
         }
-        return generated.get();
+
+        if (generated.get()) return true;
+        removeTickets(x, z);
+        return false;
     }
 
-    private synchronized void unloadChunks() {
-        for (var key : new ArrayList<>(lastUse.keySet())) {
-            if (key == null) continue;
-            var pair = lastUse.get(key);
-            if (pair == null) continue;
-            var lastUseTime = pair.getA();
-            var counter = pair.getB();
-            if (lastUseTime == null || counter == null)
-                continue;
-
-            if (M.ms() - lastUseTime >= 5000 && counter.get() == 0) {
-                int x = Cache.keyX(key);
-                int z = Cache.keyZ(key);
-                J.s(() -> {
-                    world.removePluginChunkTicket(x, z, Iris.instance);
-                    world.unloadChunk(x, z);
-                    lastUse.remove(key);
-                });
+    private void removeTickets(int x, int z) {
+        for (int xx = -1; xx <= 1; xx++) {
+            for (int zz = -1; zz <= 1; zz++) {
+                holder.removeTicket(x + xx, z + zz);
             }
         }
     }
@@ -311,7 +268,6 @@ public class ChunkUpdater {
                     return;
                 }
 
-                unloadChunks();
                 world.save();
             }).get();
         } catch (Throwable e) {

core/src/main/java/com/volmit/iris/core/pregenerator/cache/PregenCache.java

@@ -24,9 +24,11 @@ public interface PregenCache {
 
     void write();
 
+    void trim(long unloadDuration);
+
     static PregenCache create(File directory) {
         if (directory == null) return EMPTY;
-        return new PregenCacheImpl(directory);
+        return new PregenCacheImpl(directory, 16);
     }
 
     default PregenCache sync() {
@@ -51,19 +53,16 @@ public interface PregenCache {
         }
 
         @Override
-        public void cacheChunk(int x, int z) {
-
-        }
+        public void cacheChunk(int x, int z) {}
 
         @Override
-        public void cacheRegion(int x, int z) {
-
-        }
+        public void cacheRegion(int x, int z) {}
 
         @Override
-        public void write() {
+        public void write() {}
 
-        }
+        @Override
+        public void trim(long unloadDuration) {}
     };
 
 

core/src/main/java/com/volmit/iris/core/pregenerator/cache/PregenCacheImpl.java

@@ -1,218 +0,0 @@
-package com.volmit.iris.core.pregenerator.cache;
-
-import com.github.benmanes.caffeine.cache.Caffeine;
-import com.github.benmanes.caffeine.cache.LoadingCache;
-import com.github.benmanes.caffeine.cache.RemovalCause;
-import com.volmit.iris.Iris;
-import com.volmit.iris.util.data.Varint;
-import com.volmit.iris.util.documentation.ChunkCoordinates;
-import com.volmit.iris.util.documentation.RegionCoordinates;
-import com.volmit.iris.util.io.IO;
-import com.volmit.iris.util.parallel.HyperLock;
-import lombok.RequiredArgsConstructor;
-import net.jpountz.lz4.LZ4BlockInputStream;
-import net.jpountz.lz4.LZ4BlockOutputStream;
-import org.jetbrains.annotations.Nullable;
-
-import javax.annotation.concurrent.NotThreadSafe;
-import java.io.*;
-import java.util.concurrent.TimeUnit;
-import java.util.function.Predicate;
-
-@NotThreadSafe
-@RequiredArgsConstructor
-class PregenCacheImpl implements PregenCache {
-    private static final int SIZE = 32;
-    private final File directory;
-    private final HyperLock hyperLock = new HyperLock(SIZE * 2, true);
-    private final LoadingCache<Pos, Plate> cache = Caffeine.newBuilder()
-            .expireAfterAccess(10, TimeUnit.SECONDS)
-            .maximumSize(SIZE)
-            .removalListener(this::onRemoval)
-            .evictionListener(this::onRemoval)
-            .build(this::load);
-
-    @ChunkCoordinates
-    public boolean isChunkCached(int x, int z) {
-        var plate = cache.get(new Pos(x >> 10, z >> 10));
-        if (plate == null) return false;
-        return plate.isCached((x >> 5) & 31, (z >> 5) & 31, r -> r.isCached(x & 31, z & 31));
-    }
-
-    @RegionCoordinates
-    public boolean isRegionCached(int x, int z) {
-        var plate = cache.get(new Pos(x >> 5, z >> 5));
-        if (plate == null) return false;
-        return plate.isCached(x & 31, z & 31, Region::isCached);
-    }
-
-    @ChunkCoordinates
-    public void cacheChunk(int x, int z) {
-        var plate = cache.get(new Pos(x >> 10, z >> 10));
-        plate.cache((x >> 5) & 31, (z >> 5) & 31, r -> r.cache(x & 31, z & 31));
-    }
-
-    @RegionCoordinates
-    public void cacheRegion(int x, int z) {
-        var plate = cache.get(new Pos(x >> 5, z >> 5));
-        plate.cache(x & 31, z & 31, Region::cache);
-    }
-
-    public void write() {
-        cache.asMap().values().forEach(this::write);
-    }
-
-    private Plate load(Pos key) {
-        hyperLock.lock(key.x, key.z);
-        try {
-            File file = fileForPlate(key);
-            if (!file.exists()) return new Plate(key);
-            try (var in = new DataInputStream(new LZ4BlockInputStream(new FileInputStream(file)))) {
-                return new Plate(key, in);
-            } catch (IOException e){
-                Iris.error("Failed to read pregen cache " + file);
-                Iris.reportError(e);
-                e.printStackTrace();
-                return new Plate(key);
-            }
-        } finally {
-            hyperLock.unlock(key.x, key.z);
-        }
-    }
-
-    private void write(Plate plate) {
-        hyperLock.lock(plate.pos.x, plate.pos.z);
-        try {
-            File file = fileForPlate(plate.pos);
-            try {
-                IO.write(file, out -> new DataOutputStream(new LZ4BlockOutputStream(out)), plate::write);
-            } catch (IOException e) {
-                Iris.error("Failed to write pregen cache " + file);
-                Iris.reportError(e);
-                e.printStackTrace();
-            }
-        } finally {
-            hyperLock.unlock(plate.pos.x, plate.pos.z);
-        }
-    }
-
-    private void onRemoval(@Nullable Pos key, @Nullable Plate plate, RemovalCause cause) {
-        if (plate == null) return;
-        write(plate);
-    }
-
-    private File fileForPlate(Pos pos) {
-        if (!directory.exists() && !directory.mkdirs())
-            throw new IllegalStateException("Cannot create directory: " + directory.getAbsolutePath());
-        return new File(directory, "c." + pos.x + "." + pos.z + ".lz4b");
-    }
-
-    private static class Plate {
-        private final Pos pos;
-        private short count;
-        private Region[] regions;
-
-        public Plate(Pos pos) {
-            this.pos = pos;
-            count = 0;
-            regions = new Region[1024];
-        }
-
-        public Plate(Pos pos, DataInput in) throws IOException {
-            this.pos = pos;
-            count = (short) Varint.readSignedVarInt(in);
-            if (count == 1024) return;
-            regions = new Region[1024];
-            for (int i = 0; i < 1024; i++) {
-                if (in.readBoolean()) continue;
-                regions[i] = new Region(in);
-            }
-        }
-
-        public boolean isCached(int x, int z, Predicate<Region> predicate) {
-            if (count == 1024) return true;
-            Region region = regions[x * 32 + z];
-            if (region == null) return false;
-            return predicate.test(region);
-        }
-
-        public void cache(int x, int z, Predicate<Region> predicate) {
-            if (count == 1024) return;
-            Region region = regions[x * 32 + z];
-            if (region == null) regions[x * 32 + z] = region = new Region();
-            if (predicate.test(region)) count++;
-        }
-
-        public void write(DataOutput out) throws IOException {
-            Varint.writeSignedVarInt(count, out);
-            if (count == 1024) return;
-            for (Region region : regions) {
-                out.writeBoolean(region == null);
-                if (region == null) continue;
-                region.write(out);
-            }
-        }
-    }
-
-    private static class Region {
-        private short count;
-        private long[] words;
-
-        public Region() {
-            count = 0;
-            words = new long[64];
-        }
-
-        public Region(DataInput in) throws IOException {
-            count = (short) Varint.readSignedVarInt(in);
-            if (count == 1024) return;
-            words = new long[64];
-            for (int i = 0; i < 64; i++) {
-                words[i] = Varint.readUnsignedVarLong(in);
-            }
-        }
-
-        public boolean cache() {
-            if (count == 1024) return false;
-            count = 1024;
-            words = null;
-            return true;
-        }
-
-        public boolean cache(int x, int z) {
-            if (count == 1024) return false;
-
-            int i = x * 32 + z;
-            int w = i >> 6;
-            long b = 1L << (i & 63);
-
-            var cur = (words[w] & b) != 0;
-            if (cur) return false;
-
-            if (++count == 1024) {
-                words = null;
-                return true;
-            } else words[w] |= b;
-            return false;
-        }
-
-        public boolean isCached() {
-            return count == 1024;
-        }
-
-        public boolean isCached(int x, int z) {
-            int i = x * 32 + z;
-            return count == 1024 || (words[i >> 6] &  1L << (i & 63)) != 0;
-        }
-
-        public void write(DataOutput out) throws IOException {
-            Varint.writeSignedVarInt(count, out);
-            if (isCached()) return;
-            for (long word : words) {
-                Varint.writeUnsignedVarLong(word, out);
-            }
-        }
-    }
-
-    private record Pos(int x, int z) {}
-}

core/src/main/java/com/volmit/iris/core/pregenerator/cache/SynchronizedCache.java

@@ -1,11 +1,6 @@
 package com.volmit.iris.core.pregenerator.cache;
 
-import lombok.AllArgsConstructor;
-
-@AllArgsConstructor
-class SynchronizedCache implements PregenCache {
-    private final PregenCache cache;
-
+record SynchronizedCache(PregenCache cache) implements PregenCache {
     @Override
     public boolean isThreadSafe() {
         return true;
@@ -45,4 +40,11 @@ class SynchronizedCache implements PregenCache {
             cache.write();
         }
     }
+
+    @Override
+    public void trim(long unloadDuration) {
+        synchronized (cache) {
+            cache.trim(unloadDuration);
+        }
+    }
 }

core/src/main/java/com/volmit/iris/core/pregenerator/methods/AsyncPregenMethod.java

@@ -192,7 +192,7 @@ public class AsyncPregenMethod implements PregeneratorMethod {
     private class ServiceExecutor implements Executor {
         private final ExecutorService service = IrisSettings.get().getPregen().isUseVirtualThreads() ?
                 Executors.newVirtualThreadPerTaskExecutor() :
-                new MultiBurst("Iris Async Pregen", Thread.MIN_PRIORITY);
+                new MultiBurst("Iris Async Pregen");
 
         public void generate(int x, int z, PregenListener listener) {
             service.submit(() -> {

core/src/main/java/com/volmit/iris/core/project/Gradle.java

@@ -0,0 +1,107 @@
+package com.volmit.iris.core.project;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.util.io.IO;
+import org.zeroturnaround.zip.ZipUtil;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.util.*;
+
+public class Gradle {
+    private static final boolean WINDOWS = System.getProperty("os.name").toLowerCase().contains("win");
+    private static final String[] ENVIRONMENT = createEnvironment();
+    private static final String VERSION = "8.14.2";
+    private static final String DISTRIBUTION_URL = "https://services.gradle.org/distributions/gradle-" + VERSION + "-bin.zip";
+    private static final String HASH = IO.hash(DISTRIBUTION_URL);
+
+    public static synchronized void wrapper(File projectDir) {
+        try {
+            File settings = new File(projectDir, "settings.gradle.kts");
+            if (!settings.exists()) settings.createNewFile();
+            runGradle(projectDir, "wrapper");
+        } catch (Throwable e) {
+            Iris.error("Failed to install gradle wrapper!");
+            e.printStackTrace();
+            Iris.reportError(e);
+        }
+    }
+
+    public static void runGradle(File projectDir, String... args) throws IOException, InterruptedException {
+        File gradle = downloadGradle(false);
+        String[] cmd = new String[args.length + 1];
+        cmd[0] = gradle.getAbsolutePath();
+        System.arraycopy(args, 0, cmd, 1, args.length);
+        var process = Runtime.getRuntime().exec(cmd, ENVIRONMENT, projectDir);
+        var lines = Collections.synchronizedList(new ArrayList<String>());
+        attach(process.getInputStream(), lines);
+        attach(process.getErrorStream(), lines);
+        var code = process.waitFor();
+        if (code == 0) {
+            lines.forEach(Iris::debug);
+            return;
+        }
+        lines.forEach(Iris::error);
+        throw new RuntimeException("Gradle exited with code " + code);
+    }
+
+    private static synchronized File downloadGradle(boolean force) {
+        var folder = Iris.instance.getDataFolder("cache", HASH.substring(0, 2), HASH);
+        if (force) {
+            IO.delete(folder);
+            folder.mkdirs();
+        }
+
+        var bin = new File(folder, "gradle-" + VERSION + "/bin/gradle" + (WINDOWS ? ".bat" : ""));
+        if (bin.exists()) {
+            bin.setExecutable(true);
+            return bin;
+        }
+
+        try (var input = new BufferedInputStream(URI.create(DISTRIBUTION_URL).toURL().openStream())) {
+            ZipUtil.unpack(input, folder);
+        } catch (Throwable e) {
+            throw new RuntimeException("Failed to download gradle", e);
+        }
+
+        bin.setExecutable(true);
+        return bin;
+    }
+
+    private static String[] createEnvironment() {
+        var env = new HashMap<>(System.getenv());
+        env.put("JAVA_HOME", findJavaHome());
+        return env.entrySet()
+                .stream()
+                .map(e -> e.getKey() + "=" + e.getValue())
+                .toArray(String[]::new);
+    }
+
+    private static String findJavaHome() {
+        String javaHome = System.getProperty("java.home");
+        if (javaHome != null && new File(javaHome + "/bin/java" + (WINDOWS ? ".exe" : "")).exists()) {
+            return javaHome;
+        }
+
+        return ProcessHandle.current()
+                .info()
+                .command()
+                .map(s -> new File(s).getAbsoluteFile().getParentFile().getParentFile())
+                .flatMap(f -> f.exists() ? Optional.of(f.getAbsolutePath()) : Optional.empty())
+                .orElseThrow(() -> new RuntimeException("Failed to find java home, please set java.home system property"));
+    }
+
+    private static void attach(InputStream stream, List<String> list) {
+        Thread.ofPlatform().start(() -> {
+            try (var in = new Scanner(stream)) {
+                while (in.hasNextLine()) {
+                    String line = in.nextLine();
+                    list.add(line);
+                }
+            }
+        });
+    }
+}

core/src/main/java/com/volmit/iris/core/project/IrisProject.java

@@ -49,6 +49,8 @@ import lombok.Data;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.World;
+import org.dom4j.Document;
+import org.dom4j.Element;
 import org.zeroturnaround.zip.ZipUtil;
 
 import java.awt.*;
@@ -156,7 +158,7 @@ public class IrisProject {
 
     public void openVSCode(VolmitSender sender) {
 
-        IrisDimension d = IrisData.loadAnyDimension(getName());
+        IrisDimension d = IrisData.loadAnyDimension(getName(), null);
         J.attemptAsync(() ->
         {
             try {
@@ -217,24 +219,15 @@ public class IrisProject {
             close();
         }
 
-        boolean hasError = false;
-
-        if (hasError) {
-            return;
-        }
-
-        IrisDimension d = IrisData.loadAnyDimension(getName());
-        if (d == null) {
-            sender.sendMessage("Can't find dimension: " + getName());
-            return;
-        } else if (sender.isPlayer()) {
-            sender.player().setGameMode(GameMode.SPECTATOR);
-        }
-
-        openVSCode(sender);
-
-
         J.a(() -> {
+            IrisDimension d = IrisData.loadAnyDimension(getName(), null);
+            if (d == null) {
+                sender.sendMessage("Can't find dimension: " + getName());
+                return;
+            } else if (sender.isPlayer()) {
+                J.s(() -> sender.player().setGameMode(GameMode.SPECTATOR));
+            }
+
             try {
                 activeProvider = (PlatformChunkGenerator) IrisToolbelt.createWorld()
                         .seed(seed)
@@ -247,6 +240,8 @@ public class IrisProject {
             } catch (IrisException e) {
                 e.printStackTrace();
             }
+
+            openVSCode(sender);
         });
     }
 
@@ -330,7 +325,7 @@ public class IrisProject {
             }
         }
 
-        for (Class<?> i : Iris.getClasses("com.volmit.iris.engine.object.", Snippet.class)) {
+        for (Class<?> i : dm.resolveSnippets()) {
             try {
                 String snipType = i.getDeclaredAnnotation(Snippet.class).value();
                 JSONObject o = new JSONObject();
@@ -359,6 +354,74 @@ public class IrisProject {
         settings.put("json.schemas", schemas);
         ws.put("settings", settings);
 
+        dm.getEnvironment().configureProject();
+        File schemasFile = new File(path, ".idea" + File.separator + "jsonSchemas.xml");
+        Document doc = IO.read(schemasFile);
+        Element mappings = (Element) doc.selectSingleNode("//component[@name='JsonSchemaMappingsProjectConfiguration']");
+        if (mappings == null) {
+            mappings = doc.getRootElement()
+                    .addElement("component")
+                    .addAttribute("name", "JsonSchemaMappingsProjectConfiguration");
+        }
+
+        Element state = (Element) mappings.selectSingleNode("state");
+        if (state == null) state = mappings.addElement("state");
+
+        Element map = (Element) state.selectSingleNode("map");
+        if (map == null) map = state.addElement("map");
+        var schemaMap = new KMap<String, String>();
+        schemas.forEach(element -> {
+            if (!(element instanceof JSONObject obj))
+                return;
+
+            String url = obj.getString("url");
+            String dir = obj.getJSONArray("fileMatch").getString(0);
+            schemaMap.put(url, dir.substring(1, dir.indexOf("/*")));
+        });
+
+        map.selectNodes("entry/value/SchemaInfo/option[@name='relativePathToSchema']")
+                .stream()
+                .map(node -> node.valueOf("@value"))
+                .forEach(schemaMap::remove);
+
+        var ideaSchemas = map;
+        schemaMap.forEach((url, dir) -> {
+            var genName = UUID.randomUUID().toString();
+
+            var info = ideaSchemas.addElement("entry")
+                    .addAttribute("key", genName)
+                    .addElement("value")
+                    .addElement("SchemaInfo");
+            info.addElement("option")
+                    .addAttribute("name", "generatedName")
+                    .addAttribute("value", genName);
+            info.addElement("option")
+                    .addAttribute("name", "name")
+                    .addAttribute("value", dir);
+            info.addElement("option")
+                    .addAttribute("name", "relativePathToSchema")
+                    .addAttribute("value", url);
+
+
+            var item = info.addElement("option")
+                    .addAttribute("name", "patterns")
+                    .addElement("list")
+                    .addElement("Item");
+            item.addElement("option")
+                    .addAttribute("name", "directory")
+                    .addAttribute("value", "true");
+            item.addElement("option")
+                    .addAttribute("name", "path")
+                    .addAttribute("value", dir);
+            item.addElement("option")
+                    .addAttribute("name", "mappingKind")
+                    .addAttribute("value", "Directory");
+        });
+        if (!schemaMap.isEmpty()) {
+            IO.write(schemasFile, doc);
+        }
+        Gradle.wrapper(path);
+
         return ws;
     }
 

core/src/main/java/com/volmit/iris/core/project/SchemaBuilder.java

@@ -38,6 +38,7 @@ import org.jetbrains.annotations.NotNull;
 
 import java.awt.*;
 import java.lang.reflect.Field;
+import java.lang.reflect.InaccessibleObjectException;
 import java.lang.reflect.Modifier;
 import java.util.List;
 import java.util.Map;
@@ -110,47 +111,27 @@ public class SchemaBuilder {
     private JSONObject buildProperties(Class<?> c) {
         JSONObject o = new JSONObject();
         JSONObject properties = new JSONObject();
-        o.put("description", getDescription(c));
+        String desc = getDescription(c);
+        o.put("description", desc);
+        o.put("x-intellij-html-description", desc.replace("\n", "<br>"));
         o.put("type", getType(c));
         JSONArray required = new JSONArray();
+        JSONArray extended = new JSONArray();
 
-        if (c.isAssignableFrom(IrisRegistrant.class) || IrisRegistrant.class.isAssignableFrom(c)) {
-            for (Field k : IrisRegistrant.class.getDeclaredFields()) {
-                k.setAccessible(true);
-
-                if (Modifier.isStatic(k.getModifiers()) || Modifier.isFinal(k.getModifiers()) || Modifier.isTransient(k.getModifiers())) {
-                    continue;
-                }
-
-                JSONObject property = buildProperty(k, c);
-
-                if (property.getBoolean("!required")) {
-                    required.put(k.getName());
-                }
-
-                property.remove("!required");
-                properties.put(k.getName(), property);
-            }
+        var parent = c.getSuperclass();
+        while (parent != null && IrisRegistrant.class.isAssignableFrom(parent)) {
+            buildProperties(properties, required, extended, parent);
+            parent = parent.getSuperclass();
         }
 
-        for (Field k : c.getDeclaredFields()) {
-            k.setAccessible(true);
-
-            if (Modifier.isStatic(k.getModifiers()) || Modifier.isFinal(k.getModifiers()) || Modifier.isTransient(k.getModifiers())) {
-                continue;
-            }
-
-            JSONObject property = buildProperty(k, c);
-
-            if (property.getBoolean("!required"))
-                required.put(k.getName());
-            property.remove("!required");
-            properties.put(k.getName(), property);
-        }
+        buildProperties(properties, required, extended, c);
 
         if (required.length() > 0) {
             o.put("required", required);
         }
+        if (extended.length() > 0) {
+            o.put("allOf", extended);
+        }
 
         o.put("properties", properties);
 
@@ -158,6 +139,33 @@ public class SchemaBuilder {
         return buildSnippet(o, c);
     }
 
+    private void buildProperties(JSONObject properties, JSONArray required, JSONArray extended, Class<?> c) {
+        for (Field k : c.getDeclaredFields()) {
+            if (Modifier.isStatic(k.getModifiers()) || Modifier.isFinal(k.getModifiers()) || Modifier.isTransient(k.getModifiers())) {
+                continue;
+            }
+
+            try {
+                k.setAccessible(true);
+            } catch (InaccessibleObjectException e) {
+                continue;
+            }
+
+            JSONObject property = buildProperty(k, c);
+
+            if (Boolean.TRUE == property.remove("!top")) {
+                extended.put(property);
+                continue;
+            }
+
+            if (Boolean.TRUE == property.remove("!required")) {
+                required.put(k.getName());
+            }
+
+            properties.put(k.getName(), property);
+        }
+    }
+
     private JSONObject buildProperty(Field k, Class<?> cl) {
         JSONObject prop = new JSONObject();
         String type = getType(k.getType());
@@ -343,13 +351,63 @@ public class SchemaBuilder {
                 }
             }
             case "object" -> {
-                fancyType = k.getType().getSimpleName().replaceAll("\\QIris\\E", "") + " (Object)";
-                String key = "obj-" + k.getType().getCanonicalName().replaceAll("\\Q.\\E", "-").toLowerCase();
-                if (!definitions.containsKey(key)) {
-                    definitions.put(key, new JSONObject());
-                    definitions.put(key, buildProperties(k.getType()));
+                //TODO add back descriptions
+                if (k.isAnnotationPresent(RegistryMapBlockState.class)) {
+                    String blockType = k.getDeclaredAnnotation(RegistryMapBlockState.class).value();
+                    fancyType = "Block State";
+                    prop.put("!top", true);
+                    JSONArray any = new JSONArray();
+                    prop.put("anyOf", any);
+
+                    B.getBlockStates().forEach((blocks, properties) -> {
+                        if (blocks.isEmpty()) return;
+
+                        String raw = blocks.getFirst().replace(':', '_');
+                        String enumKey = "enum-block-state-" + raw;
+                        String propertiesKey = "obj-block-state-" + raw;
+
+                        any.put(new JSONObject()
+                                .put("if", new JSONObject()
+                                        .put("properties", new JSONObject()
+                                                .put(blockType, new JSONObject()
+                                                        .put("type", "string")
+                                                        .put("$ref", "#/definitions/" + enumKey))))
+                                .put("then", new JSONObject()
+                                        .put("properties", new JSONObject()
+                                                .put(k.getName(), new JSONObject()
+                                                        .put("type", "object")
+                                                        .put("$ref", "#/definitions/" + propertiesKey))))
+                                .put("else", false));
+
+                        if (!definitions.containsKey(enumKey)) {
+                            JSONArray filters = new JSONArray();
+                            blocks.forEach(filters::put);
+
+                            definitions.put(enumKey, new JSONObject()
+                                    .put("type", "string")
+                                    .put("enum", filters));
+                        }
+
+                        if (!definitions.containsKey(propertiesKey)) {
+                            JSONObject props = new JSONObject();
+                            properties.forEach(property -> {
+                                props.put(property.name(), property.buildJson());
+                            });
+
+                            definitions.put(propertiesKey, new JSONObject()
+                                    .put("type", "object")
+                                    .put("properties", props));
+                        }
+                    });
+                } else {
+                    fancyType = k.getType().getSimpleName().replaceAll("\\QIris\\E", "") + " (Object)";
+                    String key = "obj-" + k.getType().getCanonicalName().replaceAll("\\Q.\\E", "-").toLowerCase();
+                    if (!definitions.containsKey(key)) {
+                        definitions.put(key, new JSONObject());
+                        definitions.put(key, buildProperties(k.getType()));
+                    }
+                    prop.put("$ref", "#/definitions/" + key);
                 }
-                prop.put("$ref", "#/definitions/" + key);
             }
             case "array" -> {
                 fancyType = "List of Something...?";
@@ -520,11 +578,12 @@ public class SchemaBuilder {
         }
 
         KList<String> d = new KList<>();
-        d.add(k.getName());
-        d.add(getFieldDescription(k));
-        d.add("   ");
-        d.add(fancyType);
-        d.add(getDescription(k.getType()));
+        d.add("<h>" + k.getName() + "</h>");
+        d.add(getFieldDescription(k) + "<hr></hr>");
+        d.add("<h>" + fancyType + "</h>");
+        String typeDesc = getDescription(k.getType());
+        boolean present = !typeDesc.isBlank();
+        if (present) d.add(typeDesc);
 
         Snippet snippet = k.getType().getDeclaredAnnotation(Snippet.class);
         if (snippet == null) {
@@ -536,8 +595,9 @@ public class SchemaBuilder {
 
         if (snippet != null) {
             String sm = snippet.value();
-            d.add("    ");
+            if (present) d.add("    ");
             d.add("You can instead specify \"snippet/" + sm + "/some-name.json\" to use a snippet file instead of specifying it here.");
+            present = false;
         }
 
         try {
@@ -545,15 +605,13 @@ public class SchemaBuilder {
             Object value = k.get(cl.newInstance());
 
             if (value != null) {
+                if (present) d.add("    ");
                 if (value instanceof List) {
-                    d.add("    ");
-                    d.add("* Default Value is an empty list");
-                } else if (!cl.isPrimitive() && !(value instanceof Number) && !(value instanceof String) && !(cl.isEnum()) && !KeyedType.isKeyed(cl)) {
-                    d.add("    ");
-                    d.add("* Default Value is a default object (create this object to see default properties)");
+                    d.add(SYMBOL_LIMIT__N + " Default Value is an empty list");
+                } else if (!k.getType().isPrimitive() && !(value instanceof Number) && !(value instanceof String) && !(value instanceof Enum<?>) && !KeyedType.isKeyed(k.getType())) {
+                    d.add(SYMBOL_LIMIT__N + " Default Value is a default object (create this object to see default properties)");
                 } else {
-                    d.add("    ");
-                    d.add("* Default Value is " + value);
+                    d.add(SYMBOL_LIMIT__N + " Default Value is " + value);
                 }
             }
         } catch (Throwable ignored) {
@@ -561,8 +619,14 @@ public class SchemaBuilder {
         }
 
         description.forEach((g) -> d.add(g.trim()));
+        String desc = d.toString("\n")
+                .replace("<hr></hr>", "\n")
+                .replace("<h>", "")
+                .replace("</h>", "");
+        String hDesc = d.toString("<br>");
         prop.put("type", type);
-        prop.put("description", d.toString("\n"));
+        prop.put("description", desc);
+        prop.put("x-intellij-html-description", hDesc);
         return buildSnippet(prop, k.getType());
     }
 
@@ -588,8 +652,10 @@ public class SchemaBuilder {
         arr.put(prop);
         arr.put(str);
         str.put("description", prop.getString("description"));
+        str.put("x-intellij-html-description", prop.getString("x-intellij-html-description"));
         anyOf.put("anyOf", arr);
         anyOf.put("description", prop.getString("description"));
+        anyOf.put("x-intellij-html-description", prop.getString("x-intellij-html-description"));
         anyOf.put("!required", type.isAnnotationPresent(Required.class));
 
         return anyOf;
@@ -615,7 +681,9 @@ public class SchemaBuilder {
                     String name = function.apply(gg);
                     j.put("const", name);
                     Desc dd = type.getField(name).getAnnotation(Desc.class);
-                    j.put("description", dd == null ? ("No Description for " + name) : dd.value());
+                    String desc = dd == null ? ("No Description for " + name) : dd.value();
+                    j.put("description", desc);
+                    j.put("x-intellij-html-description", desc.replace("\n", "<br>"));
                     a.put(j);
                 } catch (Throwable e) {
                     Iris.reportError(e);

core/src/main/java/com/volmit/iris/core/safeguard/IrisSafeguard.java

@@ -1,64 +0,0 @@
-package com.volmit.iris.core.safeguard;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.core.IrisSettings;
-import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.collection.KMap;
-import io.papermc.lib.PaperLib;
-
-import java.util.concurrent.atomic.AtomicBoolean;
-
-public class IrisSafeguard {
-    private static final AtomicBoolean sfg = new AtomicBoolean(false);
-    public static boolean unstablemode = false;
-    public static boolean warningmode = false;
-    public static boolean stablemode = false;
-
-    public static void IrisSafeguardSystem() {
-        Iris.info("Enabled Iris SafeGuard");
-        ServerBootSFG.BootCheck();
-    }
-
-    public static void splash(boolean early) {
-        if (early && (ServerBootSFG.safeguardPassed || IrisSettings.get().getGeneral().DoomsdayAnnihilationSelfDestructMode))
-            return;
-
-        if (!sfg.getAndSet(true)) {
-            Iris.instance.splash();
-            UtilsSFG.splash();
-        }
-    }
-
-    public static String mode() {
-        if (unstablemode) {
-            return "unstable";
-        } else if (warningmode) {
-            return "warning";
-        } else {
-            return "stable";
-        }
-    }
-
-    public static void suggestPaper() {
-        PaperLib.suggestPaper(Iris.instance);
-    }
-
-    public static KMap<String, Object> asContext() {
-        KMap<String, Object> m = new KMap<>();
-        m.put("diskSpace", !ServerBootSFG.hasEnoughDiskSpace);
-        m.put("javaVersion", !ServerBootSFG.isCorrectJDK);
-        m.put("jre", ServerBootSFG.isJRE);
-        m.put("missingAgent", ServerBootSFG.missingAgent);
-        m.put("missingDimensionTypes", ServerBootSFG.missingDimensionTypes);
-        m.put("failedInjection", ServerBootSFG.failedInjection);
-        m.put("unsupportedVersion", ServerBootSFG.unsuportedversion);
-        m.put("serverSoftware", !ServerBootSFG.passedserversoftware);
-        KList<String> incompatiblePlugins = new KList<>();
-        ServerBootSFG.incompatibilities.forEach((plugin, present) -> {
-            if (present) incompatiblePlugins.add(plugin);
-        });
-        m.put("plugins", incompatiblePlugins);
-        return m;
-    }
-}
-

core/src/main/java/com/volmit/iris/core/safeguard/ModesSFG.java

@@ -1,80 +0,0 @@
-package com.volmit.iris.core.safeguard;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.core.IrisSettings;
-import com.volmit.iris.util.format.C;
-
-public class ModesSFG {
-    public static void selectMode() {
-        if (IrisSafeguard.unstablemode) {
-            Iris.safeguard(C.DARK_RED + "Iris is running in Unstable Mode");
-            unstable();
-        }
-        if (IrisSafeguard.warningmode) {
-            Iris.safeguard(C.GOLD + "Iris is running in Warning Mode");
-            warning();
-        }
-        if (IrisSafeguard.stablemode) {
-            stable();
-        }
-    }
-
-    public static void stable() {
-        Iris.safeguard(C.BLUE + "Iris is running Stable");
-    }
-
-    public static void unstable() {
-
-        UtilsSFG.printIncompatibleWarnings();
-
-        if (IrisSafeguard.unstablemode) {
-            Iris.info("");
-            Iris.info(C.DARK_GRAY + "--==<" + C.RED + " IMPORTANT " + C.DARK_GRAY + ">==--");
-            Iris.info(C.RED + "Iris is running in unstable mode which may cause the following issues:");
-            Iris.info(C.DARK_RED + "Server Issues");
-            Iris.info(C.RED + "- Server won't boot");
-            Iris.info(C.RED + "- Data Loss");
-            Iris.info(C.RED + "- Unexpected behavior.");
-            Iris.info(C.RED + "- And More...");
-            Iris.info(C.DARK_RED + "World Issues");
-            Iris.info(C.RED + "- Worlds can't load due to corruption.");
-            Iris.info(C.RED + "- Worlds may slowly corrupt until they can't load.");
-            Iris.info(C.RED + "- World data loss.");
-            Iris.info(C.RED + "- And More...");
-            Iris.info(C.DARK_RED + "ATTENTION: " + C.RED + "While running Iris in unstable mode, you won't be eligible for support.");
-            Iris.info(C.DARK_RED + "CAUSE: " + C.RED + UtilsSFG.MSGIncompatibleWarnings());
-
-            if (IrisSettings.get().getGeneral().DoomsdayAnnihilationSelfDestructMode) {
-                Iris.info(C.DARK_RED + "Boot Unstable is set to true, continuing with the startup process.");
-            } else {
-                Iris.info(C.DARK_RED + "Go to plugins/iris/settings.json and set DoomsdayAnnihilationSelfDestructMode to true if you wish to proceed.");
-                while (true) {
-                    try {
-                        Thread.sleep(Long.MAX_VALUE);
-                    } catch (InterruptedException e) {
-                        // no
-                    }
-                }
-            }
-            Iris.info("");
-        }
-    }
-
-    public static void warning() {
-
-        UtilsSFG.printIncompatibleWarnings();
-
-        if (IrisSafeguard.warningmode) {
-            Iris.info("");
-            Iris.info(C.DARK_GRAY + "--==<" + C.GOLD + " IMPORTANT " + C.DARK_GRAY + ">==--");
-            Iris.info(C.GOLD + "Iris is running in warning mode which may cause the following issues:");
-            Iris.info(C.YELLOW + "- Data Loss");
-            Iris.info(C.YELLOW + "- Errors");
-            Iris.info(C.YELLOW + "- Broken worlds");
-            Iris.info(C.YELLOW + "- Unexpected behavior.");
-            Iris.info(C.YELLOW + "- And perhaps further complications.");
-            Iris.info(C.GOLD + "CAUSE: " + C.YELLOW + UtilsSFG.MSGIncompatibleWarnings());
-            Iris.info("");
-        }
-    }
-}

core/src/main/java/com/volmit/iris/core/safeguard/PerformanceSFG.java

@@ -1,8 +0,0 @@
-package com.volmit.iris.core.safeguard;
-
-public class PerformanceSFG {
-    public static void calculatePerformance() {
-
-
-    }
-}

core/src/main/java/com/volmit/iris/core/safeguard/ServerBootSFG.java

@@ -1,194 +0,0 @@
-package com.volmit.iris.core.safeguard;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.core.IrisWorlds;
-import com.volmit.iris.core.nms.INMS;
-import com.volmit.iris.core.nms.v1X.NMSBinding1X;
-import com.volmit.iris.engine.object.IrisDimension;
-import com.volmit.iris.util.agent.Agent;
-import com.volmit.iris.util.collection.KSet;
-import org.bukkit.Bukkit;
-import org.bukkit.plugin.Plugin;
-import org.bukkit.plugin.PluginManager;
-import javax.tools.JavaCompiler;
-import javax.tools.ToolProvider;
-import java.io.File;
-import java.nio.channels.FileChannel;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.StandardOpenOption;
-import java.util.*;
-import java.util.stream.Collectors;
-
-import static com.volmit.iris.Iris.getJavaVersion;
-import static com.volmit.iris.core.safeguard.IrisSafeguard.*;
-
-public class ServerBootSFG {
-    public static final Map<String, Boolean> incompatibilities = new HashMap<>();
-    public static boolean isCorrectJDK = true;
-    public static boolean hasEnoughDiskSpace = true;
-    public static boolean isJRE = false;
-    public static boolean hasPrivileges = true;
-    public static boolean unsuportedversion = false;
-    public static boolean missingDimensionTypes = false;
-    public static boolean missingAgent = false;
-    public static boolean failedInjection = false;
-    protected static boolean safeguardPassed;
-    public static boolean passedserversoftware = true;
-    protected static int count;
-    protected static byte severityLow;
-    protected static byte severityMedium;
-    protected static byte severityHigh;
-    public static String allIncompatibilities;
-
-    public static void BootCheck() {
-        Iris.info("Checking for possible conflicts..");
-        PluginManager pluginManager = Bukkit.getPluginManager();
-        Plugin[] plugins = pluginManager.getPlugins();
-
-        incompatibilities.clear();
-        incompatibilities.put("dynmap", false);
-        incompatibilities.put("Stratos", false);
-
-        String pluginName;
-        for (Plugin plugin : plugins) {
-            pluginName = plugin.getName();
-            Boolean flag = incompatibilities.get(pluginName);
-            if (flag != null && !flag) {
-                severityHigh++;
-                incompatibilities.put(pluginName, true);
-            }
-        }
-
-        StringJoiner joiner = new StringJoiner(", ");
-        for (Map.Entry<String, Boolean> entry : incompatibilities.entrySet()) {
-            if (entry.getValue()) {
-                joiner.add(entry.getKey());
-            }
-        }
-        // Legacy ServerInfo
-        String distro = Bukkit.getName().toLowerCase();
-        if (
-                !distro.contains("purpur") &&
-                        !distro.contains("paper") &&
-                        !distro.contains("spigot") &&
-                        !distro.contains("pufferfish") &&
-                        !distro.contains("bukkit")) {
-
-
-            passedserversoftware = false;
-            joiner.add("Server Software");
-            severityMedium++;
-        }
-
-
-        if (INMS.get() instanceof NMSBinding1X) {
-            unsuportedversion = true;
-            joiner.add("Unsupported Minecraft Version");
-            severityHigh++;
-        }
-
-        if (!List.of(21).contains(getJavaVersion())) {
-            isCorrectJDK = false;
-            joiner.add("Unsupported Java version");
-            severityMedium++;
-        }
-
-        if (!isJDK()) {
-            isJRE = true;
-            joiner.add("Unsupported JDK");
-            severityMedium++;
-        }
-
-//        if (!hasPrivileges()){
-//            hasPrivileges = false;
-//            joiner.add("Insufficient Privileges");
-//            severityMedium++;
-//        } Some servers dont like this
-
-        if (!enoughDiskSpace()){
-            hasEnoughDiskSpace = false;
-            joiner.add("Insufficient Disk Space");
-            severityMedium++;
-        }
-
-        if (!Agent.install()) {
-            missingAgent = true;
-            joiner.add("Missing Java Agent");
-            severityHigh++;
-        } else {
-            if (missingDimensionTypes()) {
-                missingDimensionTypes = true;
-                joiner.add("Missing Dimension Types");
-                severityHigh++;
-            }
-            if (!INMS.get().injectBukkit()) {
-                failedInjection = true;
-                joiner.add("Failed Bukkit Injection");
-                severityHigh++;
-            }
-        }
-
-        allIncompatibilities = joiner.toString();
-
-        safeguardPassed = (severityHigh == 0 && severityMedium == 0 && severityLow == 0);
-        count = severityHigh + severityMedium + severityLow;
-        if (safeguardPassed) {
-            stablemode = true;
-            Iris.safeguard("Stable mode has been activated.");
-        }
-        if (!safeguardPassed) {
-            if (severityMedium >= 1 && severityHigh == 0) {
-                warningmode = true;
-                Iris.safeguard("Warning mode has been activated.");
-            }
-            if (severityHigh >= 1) {
-                unstablemode = true;
-                Iris.safeguard("Unstable mode has been activated.");
-            }
-        }
-    }
-
-
-    public static boolean isJDK() {
-        try {
-            JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
-            // If the compiler is null, it means this is a JRE environment, not a JDK.
-            return compiler != null;
-        } catch (Exception ignored) {}
-        return false;
-    }
-    public static boolean hasPrivileges() {
-        Path pv = Paths.get(Bukkit.getWorldContainer() + "iristest.json");
-        try (FileChannel fc = FileChannel.open(pv, StandardOpenOption.CREATE, StandardOpenOption.DELETE_ON_CLOSE, StandardOpenOption.READ, StandardOpenOption.WRITE)) {
-            if (Files.isReadable(pv) && Files.isWritable(pv)) {
-                return true;
-            }
-        } catch (Exception e) {
-            return false;
-        }
-        return false;
-    }
-
-    public static boolean enoughDiskSpace() {
-        File freeSpace = Bukkit.getWorldContainer();
-        double gigabytes = freeSpace.getFreeSpace() / (1024.0 * 1024.0 * 1024.0);
-        return gigabytes > 3;
-    }
-
-    private static boolean checkJavac(String path) {
-        return !path.isEmpty() && (new File(path, "javac").exists() || new File(path, "javac.exe").exists());
-    }
-
-    private static boolean missingDimensionTypes() {
-        return INMS.get().missingDimensionTypes(getDimensionTypes().toArray(String[]::new));
-    }
-
-    private static KSet<String> getDimensionTypes() {
-        return IrisWorlds.get()
-                .getDimensions()
-                .map(IrisDimension::getDimensionTypeKey)
-                .collect(Collectors.toCollection(KSet::new));
-    }
-}

core/src/main/java/com/volmit/iris/core/safeguard/UtilsSFG.java

@@ -1,76 +0,0 @@
-package com.volmit.iris.core.safeguard;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.util.agent.Agent;
-import com.volmit.iris.util.format.C;
-
-public class UtilsSFG {
-    public static void splash() {
-        ModesSFG.selectMode();
-    }
-
-    public static void printIncompatibleWarnings() {
-        String[] parts = Iris.instance.getDescription().getVersion().split("-");
-        String minVersion = parts[1];
-        String maxVersion = parts[2];
-
-        if (ServerBootSFG.safeguardPassed) {
-            Iris.safeguard(C.BLUE + "0 Conflicts found");
-        } else {
-            if (IrisSafeguard.unstablemode) {
-                Iris.safeguard(C.DARK_RED + "" + ServerBootSFG.count + " Conflicts found");
-            }
-            if (IrisSafeguard.warningmode) {
-                Iris.safeguard(C.YELLOW + "" + ServerBootSFG.count + " Conflicts found");
-            }
-
-            if (ServerBootSFG.incompatibilities.get("dynmap")) {
-                Iris.safeguard(C.RED + "Dynmap");
-                Iris.safeguard(C.RED + "- The plugin Dynmap is not compatible with the server.");
-                Iris.safeguard(C.RED + "- If you want to have a map plugin like Dynmap, consider Bluemap.");
-            }
-            if (ServerBootSFG.incompatibilities.get("Stratos")) {
-                Iris.safeguard(C.YELLOW + "Stratos");
-                Iris.safeguard(C.YELLOW + "- Iris is not compatible with other worldgen plugins.");
-            }
-            if (ServerBootSFG.unsuportedversion) {
-                Iris.safeguard(C.RED + "Server Version");
-                Iris.safeguard(C.RED + "- Iris only supports " + minVersion + " > " + maxVersion);
-            }
-            if (ServerBootSFG.missingDimensionTypes) {
-                Iris.safeguard(C.RED + "Dimension Types");
-                Iris.safeguard(C.RED + "- Required Iris dimension types were not loaded.");
-                Iris.safeguard(C.RED + "- If this still happens after a restart please contact support.");
-            }
-            if (ServerBootSFG.missingAgent) {
-                Iris.safeguard(C.RED + "Java Agent");
-                Iris.safeguard(C.RED + "- Please enable dynamic agent loading by adding -XX:+EnableDynamicAgentLoading to your jvm arguments.");
-                Iris.safeguard(C.RED + "- or add the jvm argument -javaagent:" + Agent.AGENT_JAR.getPath());
-            }
-            if (!ServerBootSFG.passedserversoftware) {
-                Iris.safeguard(C.YELLOW + "Unsupported Server Software");
-                Iris.safeguard(C.YELLOW + "- Please consider using Paper or Purpur instead.");
-            }
-            if (!ServerBootSFG.hasPrivileges) {
-                Iris.safeguard(C.YELLOW + "Insufficient Privileges");
-                Iris.safeguard(C.YELLOW + "- The server has insufficient Privileges to run iris. Please contact support.");
-            }
-            if (!ServerBootSFG.hasEnoughDiskSpace) {
-                Iris.safeguard(C.YELLOW + "Insufficient Disk Space");
-                Iris.safeguard(C.YELLOW + "- The server has insufficient Free DiskSpace to run iris required 3GB+.");
-            }
-            if (!ServerBootSFG.isCorrectJDK) {
-                Iris.safeguard(C.YELLOW + "Unsupported java version");
-                Iris.safeguard(C.YELLOW + "- Please consider using JDK 21 Instead of JDK " + Iris.getJavaVersion());
-            }
-            if (ServerBootSFG.isJRE) {
-                Iris.safeguard(C.YELLOW + "Unsupported Server JDK");
-                Iris.safeguard(C.YELLOW + "- Please consider using JDK 21 Instead of JRE " + Iris.getJavaVersion());
-            }
-        }
-    }
-
-    public static String MSGIncompatibleWarnings() {
-        return ServerBootSFG.allIncompatibilities;
-    }
-}

core/src/main/java/com/volmit/iris/core/scripting/environment/EngineEnvironment.java

@@ -0,0 +1,30 @@
+package com.volmit.iris.core.scripting.environment;
+
+import com.volmit.iris.core.loader.IrisRegistrant;
+import com.volmit.iris.core.scripting.func.UpdateExecutor;
+import com.volmit.iris.core.scripting.kotlin.environment.IrisExecutionEnvironment;
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.util.mantle.MantleChunk;
+import lombok.NonNull;
+import org.bukkit.Chunk;
+import org.bukkit.Location;
+import org.bukkit.entity.Entity;
+import org.jetbrains.annotations.Nullable;
+
+public interface EngineEnvironment extends PackEnvironment {
+    static EngineEnvironment create(@NonNull Engine engine) {
+        return new IrisExecutionEnvironment(engine);
+    }
+
+    @NonNull
+    Engine getEngine();
+
+    @Nullable
+    Object spawnMob(@NonNull String script, @NonNull Location location);
+
+    void postSpawnMob(@NonNull String script, @NonNull Location location, @NonNull Entity mob);
+
+    void preprocessObject(@NonNull String script, @NonNull IrisRegistrant object);
+
+    void updateChunk(@NonNull String script, @NonNull MantleChunk mantleChunk, @NonNull Chunk chunk, @NonNull UpdateExecutor executor);
+}

core/src/main/java/com/volmit/iris/core/scripting/environment/PackEnvironment.java

@@ -0,0 +1,22 @@
+package com.volmit.iris.core.scripting.environment;
+
+import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.scripting.kotlin.environment.IrisPackExecutionEnvironment;
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.util.math.RNG;
+import lombok.NonNull;
+import org.jetbrains.annotations.Nullable;
+
+public interface PackEnvironment extends SimpleEnvironment {
+    static PackEnvironment create(@NonNull IrisData data) {
+        return new IrisPackExecutionEnvironment(data);
+    }
+
+    @NonNull
+    IrisData getData();
+
+    @Nullable
+    Object createNoise(@NonNull String script, @NonNull RNG rng);
+
+    EngineEnvironment with(@NonNull Engine engine);
+}

core/src/main/java/com/volmit/iris/core/scripting/environment/SimpleEnvironment.java

@@ -0,0 +1,30 @@
+package com.volmit.iris.core.scripting.environment;
+
+import com.volmit.iris.core.scripting.kotlin.environment.IrisSimpleExecutionEnvironment;
+import lombok.NonNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.File;
+import java.util.Map;
+
+public interface SimpleEnvironment {
+    static SimpleEnvironment create() {
+        return new IrisSimpleExecutionEnvironment();
+    }
+
+    static SimpleEnvironment create(@NonNull File projectDir) {
+        return new IrisSimpleExecutionEnvironment(projectDir);
+    }
+
+    void configureProject();
+
+    void execute(@NonNull String script);
+
+    void execute(@NonNull String script, @NonNull Class<?> type, @Nullable Map<@NonNull String, Object> vars);
+
+    @Nullable
+    Object evaluate(@NonNull String script);
+
+    @Nullable
+    Object evaluate(@NonNull String script, @NonNull Class<?> type, @Nullable Map<@NonNull String, Object> vars);
+}

core/src/main/java/com/volmit/iris/core/scripting/func/BiomeLookup.java

@@ -0,0 +1,10 @@
+package com.volmit.iris.core.scripting.func;
+
+import com.volmit.iris.engine.object.IrisBiome;
+import com.volmit.iris.util.documentation.BlockCoordinates;
+
+@FunctionalInterface
+public interface BiomeLookup {
+    @BlockCoordinates
+    IrisBiome at(int x, int z);
+}

core/src/main/java/com/volmit/iris/core/scripting/func/UpdateExecutor.java

@@ -0,0 +1,22 @@
+package com.volmit.iris.core.scripting.func;
+
+import org.jetbrains.annotations.NotNull;
+
+@FunctionalInterface
+public interface UpdateExecutor {
+
+    @NotNull Runnable wrap(int delay, @NotNull Runnable runnable);
+
+    @NotNull
+    default Runnable wrap(@NotNull Runnable runnable) {
+        return wrap(1, runnable);
+    }
+
+    default void execute(@NotNull Runnable runnable) {
+        execute(1, runnable);
+    }
+
+    default void execute(int delay, @NotNull Runnable runnable) {
+        wrap(delay, runnable).run();
+    }
+}

core/src/main/java/com/volmit/iris/core/service/BoardSVC.java

@@ -22,33 +22,39 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.tools.IrisToolbelt;
-import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.board.BoardManager;
 import com.volmit.iris.util.board.BoardProvider;
 import com.volmit.iris.util.board.BoardSettings;
 import com.volmit.iris.util.board.ScoreDirection;
-import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.plugin.IrisService;
 import com.volmit.iris.util.scheduling.J;
 import lombok.Data;
+import org.bukkit.Location;
+import org.bukkit.World;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.player.PlayerChangedWorldEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
 
+import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
 
 public class BoardSVC implements IrisService, BoardProvider {
     private final KMap<Player, PlayerBoard> boards = new KMap<>();
-    private com.volmit.iris.util.board.BoardManager manager;
+    private ScheduledExecutorService executor;
+    private BoardManager manager;
 
     @Override
     public void onEnable() {
-        J.ar(this::tick, 20);
+        executor = Executors.newScheduledThreadPool(0, Thread.ofVirtual().factory());
         manager = new BoardManager(Iris.instance, BoardSettings.builder()
                 .boardProvider(this)
                 .scoreDirection(ScoreDirection.DOWN)
@@ -57,6 +63,7 @@ public class BoardSVC implements IrisService, BoardProvider {
 
     @Override
     public void onDisable() {
+        executor.shutdownNow();
         manager.onDisable();
         boards.clear();
     }
@@ -71,14 +78,22 @@ public class BoardSVC implements IrisService, BoardProvider {
         J.s(() -> updatePlayer(e.getPlayer()));
     }
 
+    @EventHandler
+    public void on(PlayerQuitEvent e) {
+        remove(e.getPlayer());
+    }
+
     public void updatePlayer(Player p) {
         if (IrisToolbelt.isIrisStudioWorld(p.getWorld())) {
             manager.remove(p);
             manager.setup(p);
-        } else {
-            manager.remove(p);
-            boards.remove(p);
-        }
+        } else remove(p);
+    }
+
+    private void remove(Player player) {
+        manager.remove(player);
+        var board = boards.remove(player);
+        if (board != null) board.task.cancel(true);
     }
 
     @Override
@@ -86,73 +101,63 @@ public class BoardSVC implements IrisService, BoardProvider {
         return C.GREEN + "Iris";
     }
 
-    public void tick() {
-        if (!Iris.service(StudioSVC.class).isProjectOpen()) {
-            return;
-        }
-
-        boards.forEach((k, v) -> v.update());
-    }
-
     @Override
     public List<String> getLines(Player player) {
-        PlayerBoard pb = boards.computeIfAbsent(player, PlayerBoard::new);
-        synchronized (pb.lines) {
-            return pb.lines;
-        }
+        return boards.computeIfAbsent(player, PlayerBoard::new).lines;
     }
 
     @Data
-    public static class PlayerBoard {
+    public class PlayerBoard {
         private final Player player;
-        private final CopyOnWriteArrayList<String> lines;
+        private final ScheduledFuture<?> task;
+        private volatile List<String> lines;
 
         public PlayerBoard(Player player) {
             this.player = player;
-            this.lines = new CopyOnWriteArrayList<>();
+            this.lines = new ArrayList<>();
+            this.task = executor.scheduleAtFixedRate(this::tick, 0, 1, TimeUnit.SECONDS);
+        }
+
+        private void tick() {
+            if (!Iris.service(StudioSVC.class).isProjectOpen()) {
+                return;
+            }
+
             update();
         }
 
         public void update() {
-            synchronized (lines) {
-                lines.clear();
+            final World world = player.getWorld();
+            final Location loc = player.getLocation();
 
-                if (!IrisToolbelt.isIrisStudioWorld(player.getWorld())) {
-                    return;
-                }
+            final var access = IrisToolbelt.access(world);
+            if (access == null) return;
 
-                Engine engine = IrisToolbelt.access(player.getWorld()).getEngine();
-                int x = player.getLocation().getBlockX();
-                int y = player.getLocation().getBlockY() - player.getWorld().getMinHeight();
-                int z = player.getLocation().getBlockZ();
+            final var engine = access.getEngine();
+            if (engine == null) return;
 
-                if(IrisSettings.get().getGeneral().debug){
-                    lines.add("&7&m                   ");
-                    lines.add(C.GREEN + "Speed" + C.GRAY + ":  " + Form.f(engine.getGeneratedPerSecond(), 0) + "/s " + Form.duration(1000D / engine.getGeneratedPerSecond(), 0));
-                    lines.add(C.AQUA + "Cache" + C.GRAY + ": " + Form.f(IrisData.cacheSize()));
-                    lines.add(C.AQUA + "Mantle" + C.GRAY + ": " + engine.getMantle().getLoadedRegionCount());
-                    lines.add(C.LIGHT_PURPLE + "Carving" + C.GRAY + ": " + engine.getMantle().isCarved(x,y,z));
-                    lines.add("&7&m                   ");
-                    lines.add(C.AQUA + "Region" + C.GRAY + ": " + engine.getRegion(x, z).getName());
-                    lines.add(C.AQUA + "Biome" + C.GRAY + ":  " + engine.getBiomeOrMantle(x, y, z).getName());
-                    lines.add(C.AQUA + "Height" + C.GRAY + ": " + Math.round(engine.getHeight(x, z)));
-                    lines.add(C.AQUA + "Slope" + C.GRAY + ":  " + Form.f(engine.getComplex().getSlopeStream().get(x, z), 2));
-                    lines.add(C.AQUA + "BUD/s" + C.GRAY + ": " + Form.f(engine.getBlockUpdatesPerSecond()));
-                    lines.add("&7&m                   ");
-                } else {
-                    lines.add("&7&m                   ");
-                    lines.add(C.GREEN + "Speed" + C.GRAY + ":  " + Form.f(engine.getGeneratedPerSecond(), 0) + "/s " + Form.duration(1000D / engine.getGeneratedPerSecond(), 0));
-                    lines.add(C.AQUA + "Cache" + C.GRAY + ": " + Form.f(IrisData.cacheSize()));
-                    lines.add(C.AQUA + "Mantle" + C.GRAY + ": " + engine.getMantle().getLoadedRegionCount());
-                    lines.add("&7&m                   ");
-                    lines.add(C.AQUA + "Region" + C.GRAY + ": " + engine.getRegion(x, z).getName());
-                    lines.add(C.AQUA + "Biome" + C.GRAY + ":  " + engine.getBiomeOrMantle(x, y, z).getName());
-                    lines.add(C.AQUA + "Height" + C.GRAY + ": " + Math.round(engine.getHeight(x, z)));
-                    lines.add(C.AQUA + "Slope" + C.GRAY + ":  " + Form.f(engine.getComplex().getSlopeStream().get(x, z), 2));
-                    lines.add(C.AQUA + "BUD/s" + C.GRAY + ": " + Form.f(engine.getBlockUpdatesPerSecond()));
-                    lines.add("&7&m                   ");
-                }
+            int x = loc.getBlockX();
+            int y = loc.getBlockY() - world.getMinHeight();
+            int z = loc.getBlockZ();
+
+            List<String> lines = new ArrayList<>(this.lines.size());
+            lines.add("&7&m                   ");
+            lines.add(C.GREEN + "Speed" + C.GRAY + ":  " + Form.f(engine.getGeneratedPerSecond(), 0) + "/s " + Form.duration(1000D / engine.getGeneratedPerSecond(), 0));
+            lines.add(C.AQUA + "Cache" + C.GRAY + ": " + Form.f(IrisData.cacheSize()));
+            lines.add(C.AQUA + "Mantle" + C.GRAY + ": " + engine.getMantle().getLoadedRegionCount());
+
+            if (IrisSettings.get().getGeneral().debug) {
+                lines.add(C.LIGHT_PURPLE + "Carving" + C.GRAY + ": " + engine.getMantle().isCarved(x,y,z));
             }
+
+            lines.add("&7&m                   ");
+            lines.add(C.AQUA + "Region" + C.GRAY + ": " + engine.getRegion(x, z).getName());
+            lines.add(C.AQUA + "Biome" + C.GRAY + ":  " + engine.getBiomeOrMantle(x, y, z).getName());
+            lines.add(C.AQUA + "Height" + C.GRAY + ": " + Math.round(engine.getHeight(x, z)));
+            lines.add(C.AQUA + "Slope" + C.GRAY + ":  " + Form.f(engine.getComplex().getSlopeStream().get(x, z), 2));
+            lines.add(C.AQUA + "BUD/s" + C.GRAY + ": " + Form.f(engine.getBlockUpdatesPerSecond()));
+            lines.add("&7&m                   ");
+            this.lines = lines;
         }
     }
 }

core/src/main/java/com/volmit/iris/core/service/CommandSVC.java

@@ -23,6 +23,7 @@ import com.volmit.iris.core.commands.CommandIris;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.decree.DecreeContext;
 import com.volmit.iris.util.decree.DecreeSystem;
 import com.volmit.iris.util.decree.virtual.VirtualDecreeCommand;
 import com.volmit.iris.util.format.C;
@@ -44,7 +45,14 @@ public class CommandSVC implements IrisService, DecreeSystem {
     @Override
     public void onEnable() {
         Iris.instance.getCommand("iris").setExecutor(this);
-        J.a(() -> getRoot().cacheAll());
+        J.a(() -> {
+            DecreeContext.touch(Iris.getSender());
+            try {
+                getRoot().cacheAll();
+            } finally {
+                DecreeContext.remove();
+            }
+        });
     }
 
     @Override

core/src/main/java/com/volmit/iris/core/service/ExternalDataSVC.java

@@ -21,6 +21,7 @@ package com.volmit.iris.core.service;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.link.*;
 import com.volmit.iris.core.link.data.DataType;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KList;
@@ -69,8 +70,8 @@ public class ExternalDataSVC implements IrisService {
 
     @EventHandler
     public void onPluginEnable(PluginEnableEvent e) {
-        if (activeProviders.stream().noneMatch(p -> p.getPlugin().equals(e.getPlugin()))) {
-            providers.stream().filter(p -> p.isReady() && p.getPlugin().equals(e.getPlugin())).findFirst().ifPresent(edp -> {
+        if (activeProviders.stream().noneMatch(p -> e.getPlugin().equals(p.getPlugin()))) {
+            providers.stream().filter(p -> p.isReady() && e.getPlugin().equals(p.getPlugin())).findFirst().ifPresent(edp -> {
                 activeProviders.add(edp);
                 edp.init();
                 Iris.instance.registerListener(edp);
@@ -107,6 +108,18 @@ public class ExternalDataSVC implements IrisService {
         }
     }
 
+    public Optional<List<BlockProperty>> getBlockProperties(final Identifier key) {
+        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(key, DataType.BLOCK)).findFirst();
+        if (provider.isEmpty())
+            return Optional.empty();
+        try {
+            return Optional.of(provider.get().getBlockProperties(key));
+        } catch (MissingResourceException e) {
+            Iris.error(e.getMessage() + " - [" + e.getClassName() + ":" + e.getKey() + "]");
+            return Optional.empty();
+        }
+    }
+
     public Optional<ItemStack> getItemStack(Identifier key, KMap<String, Object> customNbt) {
         Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(key, DataType.ITEM)).findFirst();
         if (provider.isEmpty()) {
@@ -150,6 +163,14 @@ public class ExternalDataSVC implements IrisService {
                 .toList();
     }
 
+    public Collection<Pair<Identifier, List<BlockProperty>>> getAllBlockProperties() {
+        return activeProviders.stream()
+                .flatMap(p -> p.getTypes(DataType.BLOCK)
+                        .stream()
+                        .map(id -> new Pair<>(id, p.getBlockProperties(id))))
+                .toList();
+    }
+
     public static Pair<Identifier, KMap<String, String>> parseState(Identifier key) {
         if (!key.key().contains("[") || !key.key().contains("]")) {
             return new Pair<>(key, new KMap<>());

core/src/main/java/com/volmit/iris/core/service/GlobalCacheSVC.java

@@ -1,11 +1,11 @@
 package com.volmit.iris.core.service;
 
-import com.github.benmanes.caffeine.cache.Cache;
-import com.github.benmanes.caffeine.cache.Caffeine;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.pregenerator.cache.PregenCache;
+import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.plugin.IrisService;
+import com.volmit.iris.util.scheduling.Looper;
 import lombok.NonNull;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
@@ -17,17 +17,33 @@ import org.bukkit.event.world.WorldUnloadEvent;
 import org.jetbrains.annotations.Nullable;
 
 import java.io.File;
+import java.lang.ref.Reference;
+import java.lang.ref.WeakReference;
 import java.util.function.Function;
 
 public class GlobalCacheSVC implements IrisService {
-    private static final Cache<String, PregenCache> REFERENCE_CACHE = Caffeine.newBuilder().weakValues().build();
+    private static final KMap<String, Reference<PregenCache>> REFERENCE_CACHE = new KMap<>();
     private final KMap<String, PregenCache> globalCache = new KMap<>();
     private transient boolean lastState;
     private static boolean disabled = true;
+    private Looper trimmer;
 
     @Override
     public void onEnable() {
         disabled = false;
+        trimmer = new Looper() {
+            @Override
+            protected long loop() {
+                var it = REFERENCE_CACHE.values().iterator();
+                while (it.hasNext()) {
+                    var cache = it.next().get();
+                    if (cache == null) it.remove();
+                    else cache.trim(10_000);
+                }
+                return disabled ? -1 : 2_000;
+            }
+        };
+        trimmer.start();
         lastState = !IrisSettings.get().getWorld().isGlobalPregenCache();
         if (lastState) return;
         Bukkit.getWorlds().forEach(this::createCache);
@@ -36,6 +52,9 @@ public class GlobalCacheSVC implements IrisService {
     @Override
     public void onDisable() {
         disabled = true;
+        try {
+            trimmer.join();
+        } catch (InterruptedException ignored) {}
         globalCache.qclear((world, cache) -> cache.write());
     }
 
@@ -70,6 +89,7 @@ public class GlobalCacheSVC implements IrisService {
     }
 
     private void createCache(World world) {
+        if (!IrisToolbelt.isIrisWorld(world)) return;
         globalCache.computeIfAbsent(world.getName(), GlobalCacheSVC::createDefault);
     }
 
@@ -93,7 +113,15 @@ public class GlobalCacheSVC implements IrisService {
 
     @NonNull
     public static PregenCache createCache(@NonNull String worldName, @NonNull Function<String, PregenCache> provider) {
-        return REFERENCE_CACHE.get(worldName, provider);
+        PregenCache[] holder = new PregenCache[1];
+        REFERENCE_CACHE.compute(worldName, (name, ref) -> {
+            if (ref != null) {
+                if ((holder[0] = ref.get()) != null)
+                    return ref;
+            }
+            return new WeakReference<>(holder[0] = provider.apply(worldName));
+        });
+        return holder[0];
     }
 
     @NonNull

core/src/main/java/com/volmit/iris/core/service/IrisEngineSVC.java

@@ -3,7 +3,7 @@ package com.volmit.iris.core.service;
 import com.google.common.util.concurrent.AtomicDouble;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
-import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.loader.ResourceLoader;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.platform.PlatformChunkGenerator;
@@ -14,6 +14,8 @@ import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.plugin.IrisService;
 import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.Looper;
+import com.volmit.iris.util.stream.utility.CachedStream2D;
+import com.volmit.iris.util.stream.utility.CachedStream3D;
 import lombok.Synchronized;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
@@ -27,6 +29,7 @@ import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
 
 public class IrisEngineSVC implements IrisService {
+    private static final int TRIM_PERIOD = 2_000;
     private final AtomicInteger tectonicLimit = new AtomicInteger(30);
     private final AtomicInteger tectonicPlates = new AtomicInteger();
     private final AtomicInteger queuedTectonicPlates = new AtomicInteger();
@@ -64,10 +67,26 @@ public class IrisEngineSVC implements IrisService {
     }
 
     public void engineStatus(VolmitSender sender) {
+        long[] sizes = new long[4];
+        long[] count = new long[4];
+
+        for (var cache : Iris.service(PreservationSVC.class).getCaches()) {
+            var type = switch (cache) {
+                case ResourceLoader<?> ignored -> 0;
+                case CachedStream2D<?> ignored -> 1;
+                case CachedStream3D<?> ignored -> 2;
+                default -> 3;
+            };
+
+            sizes[type] += cache.getSize();
+            count[type]++;
+        }
+
         sender.sendMessage(C.DARK_PURPLE + "-------------------------");
         sender.sendMessage(C.DARK_PURPLE + "Status:");
         sender.sendMessage(C.DARK_PURPLE + "- Service: " + C.LIGHT_PURPLE + (service.isShutdown() ? "Shutdown" : "Running"));
         sender.sendMessage(C.DARK_PURPLE + "- Updater: " + C.LIGHT_PURPLE + (updateTicker.isAlive() ? "Running" : "Stopped"));
+        sender.sendMessage(C.DARK_PURPLE + "- Period: " + C.LIGHT_PURPLE + Form.duration(TRIM_PERIOD));
         sender.sendMessage(C.DARK_PURPLE + "- Trimmers: " + C.LIGHT_PURPLE + trimmerAlive.get());
         sender.sendMessage(C.DARK_PURPLE + "- Unloaders: " + C.LIGHT_PURPLE + unloaderAlive.get());
         sender.sendMessage(C.DARK_PURPLE + "Tectonic Plates:");
@@ -76,10 +95,14 @@ public class IrisEngineSVC implements IrisService {
         sender.sendMessage(C.DARK_PURPLE + "- Queued: " + C.LIGHT_PURPLE + queuedTectonicPlates.get());
         sender.sendMessage(C.DARK_PURPLE + "- Max Idle Duration: " + C.LIGHT_PURPLE + Form.duration(maxIdleDuration.get(), 2));
         sender.sendMessage(C.DARK_PURPLE + "- Min Idle Duration: " + C.LIGHT_PURPLE + Form.duration(minIdleDuration.get(), 2));
+        sender.sendMessage(C.DARK_PURPLE + "Caches:");
+        sender.sendMessage(C.DARK_PURPLE + "- Resource: " + C.LIGHT_PURPLE + sizes[0] + " (" + count[0] + ")");
+        sender.sendMessage(C.DARK_PURPLE + "- 2D Stream: " + C.LIGHT_PURPLE + sizes[1] + " (" + count[1] + ")");
+        sender.sendMessage(C.DARK_PURPLE + "- 3D Stream: " + C.LIGHT_PURPLE + sizes[2] + " (" + count[2] + ")");
+        sender.sendMessage(C.DARK_PURPLE + "- Other: " + C.LIGHT_PURPLE + sizes[3] + " (" + count[3] + ")");
         sender.sendMessage(C.DARK_PURPLE + "Other:");
         sender.sendMessage(C.DARK_PURPLE + "- Iris Worlds: " + C.LIGHT_PURPLE + totalWorlds.get());
         sender.sendMessage(C.DARK_PURPLE + "- Loaded Chunks: " + C.LIGHT_PURPLE + loadedChunks.get());
-        sender.sendMessage(C.DARK_PURPLE + "- Cache Size: " + C.LIGHT_PURPLE + Form.f(IrisData.cacheSize()));
         sender.sendMessage(C.DARK_PURPLE + "-------------------------");
     }
 
@@ -113,12 +136,12 @@ public class IrisEngineSVC implements IrisService {
             @Override
             protected long loop() {
                 try {
-                    queuedTectonicPlates.set(0);
-                    tectonicPlates.set(0);
-                    loadedChunks.set(0);
-                    unloaderAlive.set(0);
-                    trimmerAlive.set(0);
-                    totalWorlds.set(0);
+                    int queuedPlates = 0;
+                    int totalPlates = 0;
+                    long chunks = 0;
+                    int unloaders = 0;
+                    int trimmers = 0;
+                    int iris = 0;
 
                     double maxDuration = Long.MIN_VALUE;
                     double minDuration = Long.MAX_VALUE;
@@ -126,23 +149,30 @@ public class IrisEngineSVC implements IrisService {
                         var registered = entry.getValue();
                         if (registered.closed) continue;
 
-                        totalWorlds.incrementAndGet();
-                        unloaderAlive.addAndGet(registered.unloaderAlive() ? 1 : 0);
-                        trimmerAlive.addAndGet(registered.trimmerAlive() ? 1 : 0);
+                        iris++;
+                        if (registered.unloaderAlive()) unloaders++;
+                        if (registered.trimmerAlive()) trimmers++;
 
                         var engine = registered.getEngine();
                         if (engine == null) continue;
 
-                        queuedTectonicPlates.addAndGet((int) engine.getMantle().getUnloadRegionCount());
-                        tectonicPlates.addAndGet(engine.getMantle().getLoadedRegionCount());
-                        loadedChunks.addAndGet(entry.getKey().getLoadedChunks().length);
+                        queuedPlates += engine.getMantle().getUnloadRegionCount();
+                        totalPlates += engine.getMantle().getLoadedRegionCount();
+                        chunks += entry.getKey().getLoadedChunks().length;
 
                         double duration = engine.getMantle().getAdjustedIdleDuration();
                         if (duration > maxDuration) maxDuration = duration;
                         if (duration < minDuration) minDuration = duration;
                     }
+
+                    trimmerAlive.set(trimmers);
+                    unloaderAlive.set(unloaders);
+                    tectonicPlates.set(totalPlates);
+                    queuedTectonicPlates.set(queuedPlates);
                     maxIdleDuration.set(maxDuration);
                     minIdleDuration.set(minDuration);
+                    loadedChunks.set(chunks);
+                    totalWorlds.set(iris);
 
                     worlds.values().forEach(Registered::update);
                 } catch (Throwable e) {
@@ -157,6 +187,7 @@ public class IrisEngineSVC implements IrisService {
     private final class Registered {
         private final String name;
         private final PlatformChunkGenerator access;
+        private final int offset = RNG.r.nextInt(TRIM_PERIOD);
         private transient ScheduledFuture<?> trimmer;
         private transient ScheduledFuture<?> unloader;
         private transient boolean closed;
@@ -193,7 +224,7 @@ public class IrisEngineSVC implements IrisService {
                         Iris.error("EngineSVC: Failed to trim for " + name);
                         e.printStackTrace();
                     }
-                }, RNG.r.nextInt(1000), 1000, TimeUnit.MILLISECONDS);
+                }, offset, TRIM_PERIOD, TimeUnit.MILLISECONDS);
             }
 
             if (unloader == null || unloader.isDone() || unloader.isCancelled()) {
@@ -204,7 +235,7 @@ public class IrisEngineSVC implements IrisService {
 
                     try {
                         long unloadStart = System.currentTimeMillis();
-                        int count = engine.getMantle().unloadTectonicPlate(tectonicLimit());
+                        int count = engine.getMantle().unloadTectonicPlate(IrisSettings.get().getPerformance().getEngineSVC().forceMulticoreWrite ? 0 : tectonicLimit());
                         if (count > 0) {
                             Iris.debug(C.GOLD + "Unloaded " + C.YELLOW + count + " TectonicPlates in " + C.RED + Form.duration(System.currentTimeMillis() - unloadStart, 2));
                         }
@@ -213,7 +244,7 @@ public class IrisEngineSVC implements IrisService {
                         Iris.error("EngineSVC: Failed to unload for " + name);
                         e.printStackTrace();
                     }
-                }, RNG.r.nextInt(1000), 1000, TimeUnit.MILLISECONDS);
+                }, offset + TRIM_PERIOD / 2, TRIM_PERIOD, TimeUnit.MILLISECONDS);
             }
         }
 

core/src/main/java/com/volmit/iris/core/service/PreservationSVC.java

@@ -24,50 +24,45 @@ import com.volmit.iris.engine.framework.MeteredCache;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.data.KCache;
 import com.volmit.iris.util.format.Form;
-import com.volmit.iris.util.parallel.MultiBurst;
 import com.volmit.iris.util.plugin.IrisService;
 import com.volmit.iris.util.scheduling.Looper;
+import org.jetbrains.annotations.Unmodifiable;
 
+import java.lang.ref.WeakReference;
 import java.util.List;
+import java.util.Objects;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.ExecutorService;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public class PreservationSVC implements IrisService {
     private final List<Thread> threads = new CopyOnWriteArrayList<>();
     private final List<ExecutorService> services = new CopyOnWriteArrayList<>();
-    private final List<MeteredCache> caches = new CopyOnWriteArrayList<>();
+    private final List<WeakReference<MeteredCache>> caches = new CopyOnWriteArrayList<>();
     private Looper dereferencer;
 
     public void register(Thread t) {
         threads.add(t);
     }
 
-    public void register(MultiBurst burst) {
-
-    }
-
     public void register(ExecutorService service) {
         services.add(service);
     }
 
     public void printCaches() {
-        long s = caches.stream().filter(i -> !i.isClosed()).mapToLong(MeteredCache::getSize).sum();
-        long m = caches.stream().filter(i -> !i.isClosed()).mapToLong(MeteredCache::getMaxSize).sum();
+        var c = getCaches();
+        long s = 0;
+        long m = 0;
         double p = 0;
-        double mf = 0;
+        double mf = Math.max(c.size(), 1);
 
-        for (MeteredCache i : caches) {
-            if (i.isClosed()) {
-                continue;
-            }
-
-            mf++;
+        for (MeteredCache i : c) {
+            s += i.getSize();
+            m += i.getMaxSize();
             p += i.getUsage();
         }
 
-        mf = mf == 0 ? 1 : mf;
-
         Iris.info("Cached " + Form.f(s) + " / " + Form.f(m) + " (" + Form.pc(p / mf) + ") from " + caches.size() + " Caches");
     }
 
@@ -123,14 +118,29 @@ public class PreservationSVC implements IrisService {
     }
 
     public void updateCaches() {
-        caches.removeIf(MeteredCache::isClosed);
+        caches.removeIf(ref -> {
+            var c = ref.get();
+            return c == null || c.isClosed();
+        });
     }
 
     public void registerCache(MeteredCache cache) {
-        caches.add(cache);
+        caches.add(new WeakReference<>(cache));
     }
 
     public List<KCache<?, ?>> caches() {
-        return caches.stream().map(MeteredCache::getRawCache).collect(Collectors.toList());
+        return cacheStream().map(MeteredCache::getRawCache).collect(Collectors.toList());
+    }
+
+    @Unmodifiable
+    public List<MeteredCache> getCaches() {
+        return cacheStream().toList();
+    }
+
+    private Stream<MeteredCache> cacheStream() {
+        return caches.stream()
+                .map(WeakReference::get)
+                .filter(Objects::nonNull)
+                .filter(cache -> !cache.isClosed());
     }
 }

core/src/main/java/com/volmit/iris/core/service/StudioSVC.java

@@ -88,16 +88,18 @@ public class StudioSVC implements IrisService {
     }
 
     public IrisDimension installIntoWorld(VolmitSender sender, String type, File folder) {
+        return installInto(sender, type, new File(folder, "iris/pack"));
+    }
+
+    public IrisDimension installInto(VolmitSender sender, String type, File folder) {
         sender.sendMessage("Looking for Package: " + type);
-        File iris = new File(folder, "iris");
-        File irispack = new File(folder, "iris/pack");
-        IrisDimension dim = IrisData.loadAnyDimension(type);
+        IrisDimension dim = IrisData.loadAnyDimension(type, null);
 
         if (dim == null) {
             for (File i : getWorkspaceFolder().listFiles()) {
                 if (i.isFile() && i.getName().equals(type + ".iris")) {
                     sender.sendMessage("Found " + type + ".iris in " + WORKSPACE_NAME + " folder");
-                    ZipUtil.unpack(i, irispack);
+                    ZipUtil.unpack(i, folder);
                     break;
                 }
             }
@@ -106,29 +108,29 @@ public class StudioSVC implements IrisService {
             File f = new IrisProject(new File(getWorkspaceFolder(), type)).getPath();
 
             try {
-                FileUtils.copyDirectory(f, irispack);
+                FileUtils.copyDirectory(f, folder);
             } catch (IOException e) {
                 Iris.reportError(e);
             }
         }
 
-        File dimf = new File(irispack, "dimensions/" + type + ".json");
+        File dimensionFile = new File(folder, "dimensions/" + type + ".json");
 
-        if (!dimf.exists() || !dimf.isFile()) {
+        if (!dimensionFile.exists() || !dimensionFile.isFile()) {
             downloadSearch(sender, type, false);
             File downloaded = getWorkspaceFolder(type);
 
             for (File i : downloaded.listFiles()) {
                 if (i.isFile()) {
                     try {
-                        FileUtils.copyFile(i, new File(irispack, i.getName()));
+                        FileUtils.copyFile(i, new File(folder, i.getName()));
                     } catch (IOException e) {
                         e.printStackTrace();
                         Iris.reportError(e);
                     }
                 } else {
                     try {
-                        FileUtils.copyDirectory(i, new File(irispack, i.getName()));
+                        FileUtils.copyDirectory(i, new File(folder, i.getName()));
                     } catch (IOException e) {
                         e.printStackTrace();
                         Iris.reportError(e);
@@ -139,12 +141,13 @@ public class StudioSVC implements IrisService {
             IO.delete(downloaded);
         }
 
-        if (!dimf.exists() || !dimf.isFile()) {
-            sender.sendMessage("Can't find the " + dimf.getName() + " in the dimensions folder of this pack! Failed!");
+        if (!dimensionFile.exists() || !dimensionFile.isFile()) {
+            sender.sendMessage("Can't find the " + dimensionFile.getName() + " in the dimensions folder of this pack! Failed!");
             return null;
         }
 
-        IrisData dm = IrisData.get(irispack);
+        IrisData dm = IrisData.get(folder);
+        dm.hotloaded();
         dim = dm.getDimensionLoader().load(type);
 
         if (dim == null) {
@@ -261,6 +264,7 @@ public class StudioSVC implements IrisService {
         }
 
         IrisDimension d = data.getDimensionLoader().load(dimensions[0]);
+        data.close();
 
         if (d == null) {
             sender.sendMessage("Invalid dimension (folder) in dimensions folder");
@@ -275,7 +279,7 @@ public class StudioSVC implements IrisService {
             IO.delete(packEntry);
         }
 
-        if (IrisData.loadAnyDimension(key) != null) {
+        if (IrisData.loadAnyDimension(key, null) != null) {
             sender.sendMessage("Another dimension in the packs folder is already using the key " + key + " IMPORT FAILED!");
             return;
         }
@@ -294,6 +298,8 @@ public class StudioSVC implements IrisService {
             packEntry.mkdirs();
             ZipUtil.unpack(cp, packEntry);
         }
+        IrisData.getLoaded(packEntry)
+                .ifPresent(IrisData::hotloaded);
 
         sender.sendMessage("Successfully Aquired " + d.getName());
         ServerConfigurator.installDataPacks(true);

core/src/main/java/com/volmit/iris/core/service/TreeSVC.java

@@ -189,6 +189,16 @@ public class TreeSVC implements IrisService {
 
             }
 
+            @Override
+            public <T> void setData(int xx, int yy, int zz, T data) {
+
+            }
+
+            @Override
+            public <T> T getData(int xx, int yy, int zz, Class<T> t) {
+                return null;
+            }
+
             @Override
             public Engine getEngine() {
                 return engine;
@@ -225,7 +235,7 @@ public class TreeSVC implements IrisService {
                     if (d instanceof IrisCustomData data) {
                         block.setBlockData(data.getBase(), false);
                         Iris.service(ExternalDataSVC.class).processUpdate(engine, block, data.getCustom());
-                    } else block.setBlockData(d);
+                    } else block.setBlockData(d, false);
                 }
             }
         });

core/src/main/java/com/volmit/iris/core/service/WandSVC.java

@@ -90,6 +90,7 @@ public class WandSVC implements IrisService {
 
             int total = c.getSizeX() * c.getSizeY() * c.getSizeZ();
             var latch = new CountDownLatch(1);
+            var holder = Iris.tickets.getHolder(p.getWorld());
             new Job() {
                 private int i;
                 private Chunk chunk;
@@ -108,7 +109,7 @@ public class WandSVC implements IrisService {
                             while (time > M.ms()) {
                                 if (!it.hasNext()) {
                                     if (chunk != null) {
-                                        chunk.removePluginChunkTicket(Iris.instance);
+                                        holder.removeTicket(chunk);
                                         chunk = null;
                                     }
 
@@ -122,9 +123,10 @@ public class WandSVC implements IrisService {
                                     var bChunk = b.getChunk();
                                     if (chunk == null) {
                                         chunk = bChunk;
-                                        chunk.addPluginChunkTicket(Iris.instance);
+                                        holder.addTicket(chunk);
                                     } else if (chunk != bChunk) {
-                                        chunk.removePluginChunkTicket(Iris.instance);
+                                        holder.removeTicket(chunk);
+                                        holder.addTicket(bChunk);
                                         chunk = bChunk;
                                     }
 

core/src/main/java/com/volmit/iris/core/tools/IrisConverter.java

@@ -2,29 +2,21 @@ package com.volmit.iris.core.tools;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.engine.object.*;
+import com.volmit.iris.util.data.Varint;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.nbt.io.NBTUtil;
 import com.volmit.iris.util.nbt.io.NamedTag;
 import com.volmit.iris.util.nbt.tag.*;
 import com.volmit.iris.util.plugin.VolmitSender;
-import com.volmit.iris.util.reflect.V;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
-import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
 import org.apache.commons.io.FileUtils;
 import org.bukkit.Bukkit;
-import org.bukkit.block.Block;
 import org.bukkit.block.data.BlockData;
-import org.bukkit.util.FileUtil;
-import org.bukkit.util.Vector;
 
-import java.io.File;
-import java.io.FilenameFilter;
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.Map;
+import java.io.*;
+import java.util.*;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -39,13 +31,17 @@ public class IrisConverter {
             sender.sendMessage("No schematic files to convert found in " + folder.getAbsolutePath());
             return;
         }
+
+        AtomicInteger counter = new AtomicInteger(0);
+        var stopwatch = PrecisionStopwatch.start();
         ExecutorService executorService = Executors.newFixedThreadPool(1);
         executorService.submit(() -> {
-        for (File schem : fileList) {
-            try {
+            for (File schem : fileList) {
+                try {
                     PrecisionStopwatch p = PrecisionStopwatch.start();
+                    IrisObject object;
                     boolean largeObject = false;
-                    NamedTag tag = null;
+                    NamedTag tag;
                     try {
                         tag = NBTUtil.read(schem);
                     } catch (IOException e) {
@@ -53,17 +49,20 @@ public class IrisConverter {
                         throw new RuntimeException(e);
                     }
                     CompoundTag compound = (CompoundTag) tag.getTag();
+                    int version = resolveVersion(compound);
+                    if (!(version == 2 || version == 3))
+                        throw new RuntimeException(C.RED + "Unsupported schematic version: " + version);
 
-                if (compound.containsKey("Palette") && compound.containsKey("Width") && compound.containsKey("Height") && compound.containsKey("Length")) {
+                    compound = version == 3 ? (CompoundTag) compound.get("Schematic") : compound;
                     int objW = ((ShortTag) compound.get("Width")).getValue();
                     int objH = ((ShortTag) compound.get("Height")).getValue();
                     int objD = ((ShortTag) compound.get("Length")).getValue();
                     int i = -1;
                     int mv = objW * objH * objD;
                     AtomicInteger v = new AtomicInteger(0);
-                    if (mv > 500_000) {
+                    if (mv > 2_000_000) {
                         largeObject = true;
-                        Iris.info(C.GRAY + "Converting.. "+ schem.getName() + " -> " + schem.getName().replace(".schem", ".iob"));
+                        Iris.info(C.GRAY + "Converting.. " + schem.getName() + " -> " + schem.getName().replace(".schem", ".iob"));
                         Iris.info(C.GRAY + "- It may take a while");
                         if (sender.isPlayer()) {
                             i = J.ar(() -> {
@@ -72,6 +71,7 @@ public class IrisConverter {
                         }
                     }
 
+                    compound = version == 3 ? (CompoundTag) compound.get("Blocks") : compound;
                     CompoundTag paletteTag = (CompoundTag) compound.get("Palette");
                     Map<Integer, BlockData> blockmap = new HashMap<>(paletteTag.size(), 0.9f);
                     for (Map.Entry<String, Tag<?>> entry : paletteTag.getValue().entrySet()) {
@@ -82,14 +82,16 @@ public class IrisConverter {
                         blockmap.put(blockId, bd);
                     }
 
-                    ByteArrayTag byteArray = (ByteArrayTag) compound.get("BlockData");
+                    boolean isBytes = version == 3 ? compound.getByteArrayTag("Data").length() < 128 : ((IntTag) compound.get("PaletteMax")).getValue() < 128;
+                    ByteArrayTag byteArray = version == 3 ? (ByteArrayTag) compound.get("Data") : (ByteArrayTag) compound.get("BlockData");
                     byte[] originalBlockArray = byteArray.getValue();
-
-                    IrisObject object = new IrisObject(objW, objH, objD);
+                    var din = new DataInputStream(new ByteArrayInputStream(originalBlockArray));
+                    object = new IrisObject(objW, objH, objD);
                     for (int h = 0; h < objH; h++) {
                         for (int d = 0; d < objD; d++) {
                             for (int w = 0; w < objW; w++) {
-                                BlockData bd = blockmap.get((int) originalBlockArray[v.get()]);
+                                int blockIndex = isBytes ? din.read() & 0xFF : Varint.readUnsignedVarInt(din);
+                                BlockData bd = blockmap.get(blockIndex);
                                 if (!bd.getMaterial().isAir()) {
                                     object.setUnsigned(w, h, d, bd);
                                 }
@@ -97,42 +99,59 @@ public class IrisConverter {
                             }
                         }
                     }
+
                     if (i != -1) J.car(i);
                     try {
                         object.shrinkwrap();
                         object.write(new File(folder, schem.getName().replace(".schem", ".iob")));
-                    } catch (IOException e) {
-                        Iris.info(C.RED + "Failed to save: " + schem.getName());
-                        throw new RuntimeException(e);
-                    }
-                    if (sender.isPlayer()) {
-                        if (largeObject) {
-                            sender.sendMessage(C.IRIS + "Converted "+ schem.getName() + " -> " + schem.getName().replace(".schem", ".iob") + " in " + Form.duration(p.getMillis()));
-                        } else {
-                            sender.sendMessage(C.IRIS + "Converted " + schem.getName() + " -> " + schem.getName().replace(".schem", ".iob"));
+                        counter.incrementAndGet();
+                        if (sender.isPlayer()) {
+                            if (largeObject) {
+                                sender.sendMessage(C.IRIS + "Converted " + schem.getName() + " -> " + schem.getName().replace(".schem", ".iob") + " in " + Form.duration(p.getMillis()));
+                            } else {
+                                sender.sendMessage(C.IRIS + "Converted " + schem.getName() + " -> " + schem.getName().replace(".schem", ".iob"));
+                            }
                         }
+                        if (largeObject) {
+                            Iris.info(C.GRAY + "Converted " + schem.getName() + " -> " + schem.getName().replace(".schem", ".iob") + " in " + Form.duration(p.getMillis()));
+                        } else {
+                            Iris.info(C.GRAY + "Converted " + schem.getName() + " -> " + schem.getName().replace(".schem", ".iob"));
+                        }
+                        FileUtils.delete(schem);
+                    } catch (IOException e) {
+                        sender.sendMessage(C.RED + "Failed to save: " + schem.getName());
+                        throw new IOException(e);
                     }
-                    if (largeObject) {
-                        Iris.info(C.GRAY + "Converted "+ schem.getName() + " -> " + schem.getName().replace(".schem", ".iob") + " in " + Form.duration(p.getMillis()));
-                    } else {
-                        Iris.info(C.GRAY + "Converted " + schem.getName() + " -> " + schem.getName().replace(".schem", ".iob"));
-                    }
-                    FileUtils.delete(schem);
-                }
-            } catch (Exception e) {
-                Iris.info(C.RED + "Failed to convert: " + schem.getName());
-                if (sender.isPlayer()) {
+
+
+                } catch (Exception e) {
                     sender.sendMessage(C.RED + "Failed to convert: " + schem.getName());
+                    e.printStackTrace();
                 }
-                e.printStackTrace();
-                Iris.reportError(e);
             }
-        }
-        sender.sendMessage(C.GRAY + "converted: " + fileList.length);
+            stopwatch.end();
+            if (counter.get() != 0) {
+                sender.sendMessage(C.GRAY + "Converted: " + counter.get() + " in " + Form.duration(stopwatch.getMillis()));
+            }
+            if (counter.get() < fileList.length) {
+                sender.sendMessage(C.RED + "Some schematics failed to convert. Check the console for details.");
+            }
         });
     }
 
+    private static int resolveVersion(CompoundTag compound) throws Exception {
+        try {
+
+            IntTag root = compound.getIntTag("Version");
+            if (root != null) {
+                return root.getValue();
+            }
+            CompoundTag schematic = (CompoundTag) compound.get("Schematic");
+            return schematic.getIntTag("Version").getValue();
+        } catch (NullPointerException e) {
+            throw new Exception("Cannot resolve schematic version", e);
+        }
+    }
 }
 
 
-

core/src/main/java/com/volmit/iris/core/tools/IrisCreator.java

@@ -43,8 +43,7 @@ import java.io.File;
 import java.io.IOException;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicReference;
-import java.util.function.Supplier;
+import java.util.function.IntSupplier;
 
 import static com.volmit.iris.util.misc.ServerProperties.BUKKIT_YML;
 
@@ -128,8 +127,6 @@ public class IrisCreator {
             Iris.service(StudioSVC.class).installIntoWorld(sender, d.getLoadKey(), new File(Bukkit.getWorldContainer(), name()));
         }
 
-        PlatformChunkGenerator access;
-        AtomicReference<World> world = new AtomicReference<>();
         AtomicDouble pp = new AtomicDouble(0);
         O<Boolean> done = new O<>();
         done.set(false);
@@ -139,30 +136,29 @@ public class IrisCreator {
                 .seed(seed)
                 .studio(studio)
                 .create();
-        ServerConfigurator.installDataPacks(false);
+        if (ServerConfigurator.installDataPacks(true)) {
+            throw new IrisException("Datapacks were missing!");
+        }
 
-        access = (PlatformChunkGenerator) wc.generator();
-        PlatformChunkGenerator finalAccess1 = access;
+        PlatformChunkGenerator access = (PlatformChunkGenerator) wc.generator();
+        if (access == null) throw new IrisException("Access is null. Something bad happened.");
 
-        J.a(() ->
-        {
-            Supplier<Integer> g = () -> {
-                if (finalAccess1 == null || finalAccess1.getEngine() == null) {
+        J.a(() -> {
+            IntSupplier g = () -> {
+                if (access.getEngine() == null) {
                     return 0;
                 }
-                return finalAccess1.getEngine().getGenerated();
+                return access.getEngine().getGenerated();
             };
             if(!benchmark) {
-                if (finalAccess1 == null) return;
-                int req = finalAccess1.getSpawnChunks().join();
-
-                while (g.get() < req) {
-                    double v = (double) g.get() / (double) req;
+                int req = access.getSpawnChunks().join();
+                for (int c = 0; c < req && !done.get(); c = g.getAsInt()) {
+                    double v = (double) c / req;
                     if (sender.isPlayer()) {
                         sender.sendProgress(v, "Generating");
                         J.sleep(16);
                     } else {
-                        sender.sendMessage(C.WHITE + "Generating " + Form.pc(v) + ((C.GRAY + " (" + (req - g.get()) + " Left)")));
+                        sender.sendMessage(C.WHITE + "Generating " + Form.pc(v) + ((C.GRAY + " (" + (req - c) + " Left)")));
                         J.sleep(1000);
                     }
                 }
@@ -170,39 +166,33 @@ public class IrisCreator {
         });
 
 
+        World world;
         try {
-            J.sfut(() -> {
-                world.set(INMS.get().createWorld(wc));
-            }).get();
+            world = J.sfut(() -> INMS.get().createWorld(wc)).get();
         } catch (Throwable e) {
-            e.printStackTrace();
-        }
-
-        if (access == null) {
-            throw new IrisException("Access is null. Something bad happened.");
+            done.set(true);
+            throw new IrisException("Failed to create world!", e);
         }
 
         done.set(true);
 
         if (sender.isPlayer() && !benchmark) {
-            J.s(() -> {
-                sender.player().teleport(new Location(world.get(), 0, world.get().getHighestBlockYAt(0, 0), 0));
-            });
+            J.s(() -> sender.player().teleport(new Location(world, 0, world.getHighestBlockYAt(0, 0) + 1, 0)));
         }
 
         if (studio || benchmark) {
             J.s(() -> {
-                Iris.linkMultiverseCore.removeFromConfig(world.get());
+                Iris.linkMultiverseCore.removeFromConfig(world);
 
                 if (IrisSettings.get().getStudio().isDisableTimeAndWeather()) {
-                    world.get().setGameRule(GameRule.DO_WEATHER_CYCLE, false);
-                    world.get().setGameRule(GameRule.DO_DAYLIGHT_CYCLE, false);
-                    world.get().setTime(6000);
+                    world.setGameRule(GameRule.DO_WEATHER_CYCLE, false);
+                    world.setGameRule(GameRule.DO_DAYLIGHT_CYCLE, false);
+                    world.setTime(6000);
                 }
             });
         } else {
             addToBukkitYml();
-            J.s(() -> Iris.linkMultiverseCore.updateWorld(world.get(), dimension));
+            J.s(() -> Iris.linkMultiverseCore.updateWorld(world, dimension));
         }
 
         if (pregen != null) {
@@ -233,7 +223,7 @@ public class IrisCreator {
                 e.printStackTrace();
             }
         }
-        return world.get();
+        return world;
     }
 
     private void addToBukkitYml() {

core/src/main/java/com/volmit/iris/core/tools/IrisToolbelt.java

@@ -34,6 +34,7 @@ import com.volmit.iris.util.plugin.VolmitSender;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.entity.Player;
+import org.jetbrains.annotations.ApiStatus;
 
 import java.io.File;
 import java.io.IOException;
@@ -45,6 +46,7 @@ import java.util.Map;
  * Hope you packed snacks & road sodas.
  */
 public class IrisToolbelt {
+    @ApiStatus.Internal
     public static Map<String, Boolean> toolbeltConfiguration = new HashMap<>();
 
     /**
@@ -232,7 +234,11 @@ public class IrisToolbelt {
     }
 
     public static void retainMantleDataForSlice(String className) {
-        toolbeltConfiguration.put("retain.mantle." + className, true);
+        toolbeltConfiguration.put("retain.mantle." + className, Boolean.TRUE);
+    }
+
+    public static boolean isRetainingMantleDataForSlice(String className) {
+        return !toolbeltConfiguration.isEmpty() && toolbeltConfiguration.get("retain.mantle." + className) == Boolean.TRUE;
     }
 
     public static <T> T getMantleData(World world, int x, int y, int z, Class<T> of) {

core/src/main/java/com/volmit/iris/core/tools/IrisWorldCreator.java

@@ -64,7 +64,7 @@ public class IrisWorldCreator {
     }
 
     public WorldCreator create() {
-        IrisDimension dim = IrisData.loadAnyDimension(dimensionName);
+        IrisDimension dim = IrisData.loadAnyDimension(dimensionName, null);
 
         IrisWorld w = IrisWorld.builder()
                 .name(name)
@@ -80,13 +80,13 @@ public class IrisWorldCreator {
 
 
         return new WorldCreator(name)
-                .environment(findEnvironment())
+                .environment(w.environment())
                 .generateStructures(true)
                 .generator(g).seed(seed);
     }
 
     private World.Environment findEnvironment() {
-        IrisDimension dim = IrisData.loadAnyDimension(dimensionName);
+        IrisDimension dim = IrisData.loadAnyDimension(dimensionName, null);
         if (dim == null || dim.getEnvironment() == null) {
             return World.Environment.NORMAL;
         } else {

core/src/main/java/com/volmit/iris/engine/IrisComplex.java

@@ -25,8 +25,6 @@ import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.*;
 import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.data.DataProvider;
 import com.volmit.iris.util.interpolation.IrisInterpolation.NoiseKey;
@@ -43,7 +41,7 @@ import org.bukkit.block.Biome;
 import org.bukkit.block.data.BlockData;
 
 import java.io.File;
-import java.util.UUID;
+import java.util.*;
 
 @Data
 @EqualsAndHashCode(exclude = "data")
@@ -53,7 +51,7 @@ public class IrisComplex implements DataProvider {
     private RNG rng;
     private double fluidHeight;
     private IrisData data;
-    private KMap<IrisInterpolator, KSet<IrisGenerator>> generators;
+    private Map<IrisInterpolator, Set<IrisGenerator>> generators;
     private ProceduralStream<IrisRegion> regionStream;
     private ProceduralStream<Double> regionStyleStream;
     private ProceduralStream<Double> regionIdentityStream;
@@ -91,17 +89,17 @@ public class IrisComplex implements DataProvider {
     }
 
     public IrisComplex(Engine engine, boolean simple) {
-        int cacheSize = IrisSettings.get().getPerformance().getCacheSize();
+        int cacheSize = IrisSettings.get().getPerformance().getNoiseCacheSize();
         IrisBiome emptyBiome = new IrisBiome();
         UUID focusUUID = UUID.nameUUIDFromBytes("focus".getBytes());
         this.rng = new RNG(engine.getSeedManager().getComplex());
         this.data = engine.getData();
         double height = engine.getMaxHeight();
         fluidHeight = engine.getDimension().getFluidHeight();
-        generators = new KMap<>();
+        generators = new HashMap<>();
         focusBiome = engine.getFocus();
         focusRegion = engine.getFocusRegion();
-        KMap<InferredType, ProceduralStream<IrisBiome>> inferredStreams = new KMap<>();
+        Map<InferredType, ProceduralStream<IrisBiome>> inferredStreams = new HashMap<>();
 
         if (focusBiome != null) {
             focusBiome.setInferredType(InferredType.LAND);
@@ -118,6 +116,7 @@ public class IrisComplex implements DataProvider {
                             .getAllBiomes(this)
                             .forEach(this::registerGenerators));
         }
+        boolean legacy = engine.getDimension().isLegacyRarity();
         overlayStream = ProceduralStream.ofDouble((x, z) -> 0.0D).waste("Overlay Stream");
         engine.getDimension().getOverlayNoise().forEach(i -> overlayStream = overlayStream.add((x, z) -> i.get(rng, getData(), x, z)));
         rockStream = engine.getDimension().getRockPalette().getLayerGenerator(rng.nextParallelRNG(45), data).stream()
@@ -131,7 +130,7 @@ public class IrisComplex implements DataProvider {
                 ProceduralStream.of((x, z) -> focusRegion,
                         Interpolated.of(a -> 0D, a -> focusRegion))
                 : regionStyleStream
-                .selectRarity(data.getRegionLoader().loadAll(engine.getDimension().getRegions()))
+                .selectRarity(data.getRegionLoader().loadAll(engine.getDimension().getRegions()), legacy)
                 .cache2D("regionStream", engine, cacheSize).waste("Region Stream");
         regionIDStream = regionIdentityStream.convertCached((i) -> new UUID(Double.doubleToLongBits(i),
                 String.valueOf(i * 38445).hashCode() * 3245556666L)).waste("Region ID Stream");
@@ -140,7 +139,7 @@ public class IrisComplex implements DataProvider {
                         -> engine.getDimension().getCaveBiomeStyle().create(rng.nextParallelRNG(InferredType.CAVE.ordinal()), getData()).stream()
                         .zoom(engine.getDimension().getBiomeZoom())
                         .zoom(r.getCaveBiomeZoom())
-                        .selectRarity(data.getBiomeLoader().loadAll(r.getCaveBiomes()))
+                        .selectRarity(data.getBiomeLoader().loadAll(r.getCaveBiomes()), legacy)
                         .onNull(emptyBiome)
                 ).convertAware2D(ProceduralStream::get).cache2D("caveBiomeStream", engine, cacheSize).waste("Cave Biome Stream");
         inferredStreams.put(InferredType.CAVE, caveBiomeStream);
@@ -150,7 +149,7 @@ public class IrisComplex implements DataProvider {
                         .zoom(engine.getDimension().getBiomeZoom())
                         .zoom(engine.getDimension().getLandZoom())
                         .zoom(r.getLandBiomeZoom())
-                        .selectRarity(data.getBiomeLoader().loadAll(r.getLandBiomes(), (t) -> t.setInferredType(InferredType.LAND)))
+                        .selectRarity(data.getBiomeLoader().loadAll(r.getLandBiomes(), (t) -> t.setInferredType(InferredType.LAND)), legacy)
                 ).convertAware2D(ProceduralStream::get)
                 .cache2D("landBiomeStream", engine, cacheSize).waste("Land Biome Stream");
         inferredStreams.put(InferredType.LAND, landBiomeStream);
@@ -160,7 +159,7 @@ public class IrisComplex implements DataProvider {
                         .zoom(engine.getDimension().getBiomeZoom())
                         .zoom(engine.getDimension().getSeaZoom())
                         .zoom(r.getSeaBiomeZoom())
-                        .selectRarity(data.getBiomeLoader().loadAll(r.getSeaBiomes(), (t) -> t.setInferredType(InferredType.SEA)))
+                        .selectRarity(data.getBiomeLoader().loadAll(r.getSeaBiomes(), (t) -> t.setInferredType(InferredType.SEA)), legacy)
                 ).convertAware2D(ProceduralStream::get)
                 .cache2D("seaBiomeStream", engine, cacheSize).waste("Sea Biome Stream");
         inferredStreams.put(InferredType.SEA, seaBiomeStream);
@@ -169,7 +168,7 @@ public class IrisComplex implements DataProvider {
                         -> engine.getDimension().getShoreBiomeStyle().create(rng.nextParallelRNG(InferredType.SHORE.ordinal()), getData()).stream()
                         .zoom(engine.getDimension().getBiomeZoom())
                         .zoom(r.getShoreBiomeZoom())
-                        .selectRarity(data.getBiomeLoader().loadAll(r.getShoreBiomes(), (t) -> t.setInferredType(InferredType.SHORE)))
+                        .selectRarity(data.getBiomeLoader().loadAll(r.getShoreBiomes(), (t) -> t.setInferredType(InferredType.SHORE)), legacy)
                 ).convertAware2D(ProceduralStream::get).cache2D("shoreBiomeStream", engine, cacheSize).waste("Shore Biome Stream");
         inferredStreams.put(InferredType.SHORE, shoreBiomeStream);
         bridgeStream = focusBiome != null ? ProceduralStream.of((x, z) -> focusBiome.getInferredType(),
@@ -302,12 +301,12 @@ public class IrisComplex implements DataProvider {
         return biome;
     }
 
-    private double interpolateGenerators(Engine engine, IrisInterpolator interpolator, KSet<IrisGenerator> generators, double x, double z, long seed) {
+    private double interpolateGenerators(Engine engine, IrisInterpolator interpolator, Set<IrisGenerator> generators, double x, double z, long seed) {
         if (generators.isEmpty()) {
             return 0;
         }
 
-        KMap<NoiseKey, IrisBiome> cache = new KMap<>();
+        HashMap<NoiseKey, IrisBiome> cache = new HashMap<>(64);
         double hi = interpolator.interpolate(x, z, (xx, zz) -> {
             try {
                 IrisBiome bx = baseBiomeStream.get(xx, zz);
@@ -379,7 +378,7 @@ public class IrisComplex implements DataProvider {
     }
 
     private void registerGenerator(IrisGenerator cachedGenerator) {
-        generators.computeIfAbsent(cachedGenerator.getInterpolator(), (k) -> new KSet<>()).add(cachedGenerator);
+        generators.computeIfAbsent(cachedGenerator.getInterpolator(), (k) -> new HashSet<>()).add(cachedGenerator);
     }
 
     private IrisBiome implode(IrisBiome b, Double x, Double z) {

core/src/main/java/com/volmit/iris/engine/IrisEngineMantle.java

@@ -29,13 +29,15 @@ import com.volmit.iris.engine.mantle.components.MantleJigsawComponent;
 import com.volmit.iris.engine.mantle.components.MantleObjectComponent;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.mantle.Mantle;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import lombok.*;
 
 import java.io.File;
-import java.util.stream.Collectors;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
 @Data
 @EqualsAndHashCode(exclude = "engine")
@@ -45,8 +47,9 @@ public class IrisEngineMantle implements EngineMantle {
     private final Mantle mantle;
     @Getter(AccessLevel.NONE)
     private final KMap<Integer, KList<MantleComponent>> components;
-    private final AtomicCache<KList<Pair<KList<MantleComponent>, Integer>>> componentsCache = new AtomicCache<>();
-    private final AtomicCache<KSet<MantleFlag>> disabledFlags = new AtomicCache<>();
+    private final KMap<MantleFlag, MantleComponent> registeredComponents = new KMap<>();
+    private final AtomicCache<List<Pair<List<MantleComponent>, Integer>>> componentsCache = new AtomicCache<>();
+    private final AtomicCache<Set<MantleFlag>> disabledFlags = new AtomicCache<>();
     private final MantleObjectComponent object;
     private final MantleJigsawComponent jigsaw;
 
@@ -75,7 +78,7 @@ public class IrisEngineMantle implements EngineMantle {
     }
 
     @Override
-    public KList<Pair<KList<MantleComponent>, Integer>> getComponents() {
+    public List<Pair<List<MantleComponent>, Integer>> getComponents() {
         return componentsCache.aquire(() -> {
             var list = components.keySet()
                     .stream()
@@ -83,13 +86,14 @@ public class IrisEngineMantle implements EngineMantle {
                     .map(components::get)
                     .map(components -> {
                         int radius = components.stream()
+                                .filter(MantleComponent::isEnabled)
                                 .mapToInt(MantleComponent::getRadius)
                                 .max()
                                 .orElse(0);
-                        return new Pair<>(components, radius);
+                        return new Pair<>(List.copyOf(components), radius);
                     })
-                    .collect(Collectors.toCollection(KList::new));
-
+                    .filter(pair -> !pair.getA().isEmpty())
+                    .toList();
 
             int radius = 0;
             for (var pair : list.reversed()) {
@@ -102,19 +106,36 @@ public class IrisEngineMantle implements EngineMantle {
     }
 
     @Override
-    public void registerComponent(MantleComponent c) {
-        c.setEnabled(!getDimension().getDisabledComponents().contains(c.getFlag()));
+    public Map<MantleFlag, MantleComponent> getRegisteredComponents() {
+        return Collections.unmodifiableMap(registeredComponents);
+    }
+
+    @Override
+    public boolean registerComponent(MantleComponent c) {
+        if (registeredComponents.putIfAbsent(c.getFlag(), c) != null) return false;
+        c.setEnabled(!getDisabledFlags().contains(c.getFlag()));
         components.computeIfAbsent(c.getPriority(), k -> new KList<>()).add(c);
         componentsCache.reset();
+        return true;
     }
 
     @Override
     public KList<MantleFlag> getComponentFlags() {
-        return components.values()
-                .stream()
-                .flatMap(KList::stream)
-                .map(MantleComponent::getFlag)
-                .collect(KList.collector());
+        return new KList<>(registeredComponents.keySet());
+    }
+
+    @Override
+    public void hotload() {
+        disabledFlags.reset();
+        for (var component : registeredComponents.values()) {
+            component.hotload();
+            component.setEnabled(!getDisabledFlags().contains(component.getFlag()));
+        }
+        componentsCache.reset();
+    }
+
+    private Set<MantleFlag> getDisabledFlags() {
+        return disabledFlags.aquire(() -> Set.copyOf(getDimension().getDisabledComponents()));
     }
 
     @Override

core/src/main/java/com/volmit/iris/engine/IrisExecutionEnvironment.java

@@ -1,84 +0,0 @@
-/*
- * Iris is a World Generator for Minecraft Bukkit Servers
- * Copyright (c) 2022 Arcane Arts (Volmit Software)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.volmit.iris.engine;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.engine.object.IrisScript;
-import com.volmit.iris.engine.scripting.EngineExecutionEnvironment;
-import com.volmit.iris.engine.scripting.IrisScriptingAPI;
-import com.volmit.iris.util.format.C;
-import lombok.Data;
-import lombok.EqualsAndHashCode;
-import lombok.ToString;
-import org.apache.bsf.BSFException;
-import org.apache.bsf.BSFManager;
-import org.apache.bsf.engines.javascript.JavaScriptEngine;
-
-@Data
-@EqualsAndHashCode(exclude = "engine")
-@ToString(exclude = "engine")
-public class IrisExecutionEnvironment implements EngineExecutionEnvironment {
-    private final BSFManager manager;
-    private final Engine engine;
-    private final IrisScriptingAPI api;
-    private JavaScriptEngine javaScriptEngine;
-
-    public IrisExecutionEnvironment(Engine engine) {
-        this.engine = engine;
-        this.api = new IrisScriptingAPI(engine);
-        this.manager = new BSFManager();
-        this.manager.setClassLoader(Iris.class.getClassLoader());
-        try {
-            this.manager.declareBean("Iris", api, api.getClass());
-            this.javaScriptEngine = (JavaScriptEngine) this.manager.loadScriptingEngine("javascript");
-        } catch (Throwable e) {
-            e.printStackTrace();
-        }
-    }
-
-    @Override
-    public IrisScriptingAPI getAPI() {
-        return api;
-    }
-
-    public void execute(String script) {
-        execute(getEngine().getData().getScriptLoader().load(script));
-    }
-
-    public void execute(IrisScript script) {
-        Iris.debug("Execute Script (void) " + C.DARK_GREEN + script.getLoadKey());
-        try {
-            javaScriptEngine.exec("", 0, 0, script);
-        } catch (BSFException e) {
-            e.printStackTrace();
-        }
-    }
-
-    public Object evaluate(String script) {
-        Iris.debug("Execute Script (for result) " + C.DARK_GREEN + script);
-        try {
-            return javaScriptEngine.eval("", 0, 0, getEngine().getData().getScriptLoader().load(script));
-        } catch (BSFException e) {
-            e.printStackTrace();
-        }
-
-        return null;
-    }
-}

core/src/main/java/com/volmit/iris/engine/IrisWorldManager.java

@@ -20,7 +20,10 @@ package com.volmit.iris.engine;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.service.ExternalDataSVC;
+import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineAssignedWorldManager;
 import com.volmit.iris.engine.object.*;
@@ -29,7 +32,7 @@ import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.mantle.Mantle;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
@@ -55,13 +58,10 @@ import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.player.PlayerTeleportEvent;
 import org.bukkit.inventory.ItemStack;
 
-import java.lang.ref.WeakReference;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Future;
+import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
@@ -79,6 +79,8 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
     private final ChronoLatch cln;
     private final ChronoLatch chunkUpdater;
     private final ChronoLatch chunkDiscovery;
+    private final KMap<Long, Future<?>> cleanup = new KMap<>();
+    private final ScheduledExecutorService cleanupService;
     private double energy = 25;
     private int entityCount = 0;
     private long charge = 0;
@@ -96,6 +98,7 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
         looper = null;
         chunkUpdater = null;
         chunkDiscovery = null;
+        cleanupService = null;
         id = -1;
     }
 
@@ -107,6 +110,11 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
         cl = new ChronoLatch(3000);
         ecl = new ChronoLatch(250);
         clw = new ChronoLatch(1000, true);
+        cleanupService = Executors.newSingleThreadScheduledExecutor(runnable -> {
+            var thread = new Thread(runnable, "Iris Mantle Cleanup " + getTarget().getWorld().name());
+            thread.setPriority(Thread.MIN_PRIORITY);
+            return thread;
+        });
         id = engine.getCacheID();
         energy = 25;
         looper = new Looper() {
@@ -120,10 +128,6 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
                     getEngine().getWorld().tryGetRealWorld();
                 }
 
-                if (!IrisSettings.get().getWorld().isMarkerEntitySpawningSystem() && !IrisSettings.get().getWorld().isAnbientEntitySpawningSystem()) {
-                    return 3000;
-                }
-
                 if (getEngine().getWorld().hasRealWorld()) {
                     if (getEngine().getWorld().getPlayers().isEmpty()) {
                         return 5000;
@@ -137,6 +141,13 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
                         discoverChunks();
                     }
 
+                    if (cln.flip()) {
+                        engine.getEngineData().cleanup(getEngine());
+                    }
+
+                    if (!IrisSettings.get().getWorld().isMarkerEntitySpawningSystem() && !IrisSettings.get().getWorld().isAnbientEntitySpawningSystem()) {
+                        return 3000;
+                    }
 
                     if (getDimension().isInfiniteEnergy()) {
                         energy += 1000;
@@ -148,10 +159,6 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
                         fixEnergy();
                     }
 
-                    if (cln.flip()) {
-                        engine.getEngineData().cleanup(getEngine());
-                    }
-
                     if (precount != null) {
                         entityCount = 0;
                         for (Entity i : precount) {
@@ -179,7 +186,7 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
             }
         };
         looper.setPriority(Thread.MIN_PRIORITY);
-        looper.setName("Iris World Manager");
+        looper.setName("Iris World Manager " + getTarget().getWorld().name());
         looper.start();
     }
 
@@ -423,19 +430,42 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
             return;
         }
 
-        var ref = new WeakReference<>(e.getWorld());
-        int x = e.getX(), z = e.getZ();
-        J.s(() -> {
-            World world = ref.get();
-            if (world == null || !world.isChunkLoaded(x, z))
-                return;
+        int cX = e.getX(), cZ = e.getZ();
+        Long key = Cache.key(e);
+        cleanup.put(key, cleanupService.schedule(() -> {
+            cleanup.remove(key);
             energy += 0.3;
             fixEnergy();
-            getEngine().cleanupMantleChunk(x, z);
-        }, IrisSettings.get().getPerformance().mantleCleanupDelay);
+            getEngine().cleanupMantleChunk(cX, cZ);
+        }, Math.max(IrisSettings.get().getPerformance().mantleCleanupDelay * 50L, 0), TimeUnit.MILLISECONDS));
 
         if (generated) {
             //INMS.get().injectBiomesFromMantle(e, getMantle());
+
+            if (!IrisSettings.get().getGenerator().earlyCustomBlocks) return;
+            Iris.tickets.addTicket(e);
+            J.s(() -> {
+                var chunk = getMantle().getChunk(e).use();
+                int minY = getTarget().getWorld().minHeight();
+                try {
+                    chunk.raiseFlagUnchecked(MantleFlag.CUSTOM, () -> {
+                        chunk.iterate(Identifier.class, (x, y, z, v) -> {
+                            Iris.service(ExternalDataSVC.class).processUpdate(getEngine(), e.getBlock(x & 15, y + minY, z & 15), v);
+                        });
+                    });
+                } finally {
+                    chunk.release();
+                    Iris.tickets.removeTicket(e);
+                }
+            }, RNG.r.i(20, 60));
+        }
+    }
+
+    @Override
+    public void onChunkUnload(Chunk e) {
+        final var future = cleanup.remove(Cache.key(e));
+        if (future != null) {
+            future.cancel(false);
         }
     }
 

core/src/main/java/com/volmit/iris/engine/framework/BlockUpdater.java

@@ -18,6 +18,7 @@
 
 package com.volmit.iris.engine.framework;
 
+import com.volmit.iris.util.mantle.MantleChunk;
 import com.volmit.iris.util.math.RNG;
 import org.bukkit.Chunk;
 import org.bukkit.block.data.BlockData;
@@ -28,5 +29,5 @@ public interface BlockUpdater {
 
     void updateChunk(Chunk c);
 
-    void update(int x, int y, int z, Chunk c, RNG rf);
+    void update(int x, int y, int z, Chunk c, MantleChunk mc, RNG rf);
 }

core/src/main/java/com/volmit/iris/engine/framework/Engine.java

@@ -29,13 +29,13 @@ import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.core.nms.container.BlockPos;
 import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.core.pregenerator.ChunkUpdater;
+import com.volmit.iris.core.scripting.environment.EngineEnvironment;
 import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.IrisComplex;
 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.data.chunk.TerrainChunk;
 import com.volmit.iris.engine.mantle.EngineMantle;
 import com.volmit.iris.engine.object.*;
-import com.volmit.iris.engine.scripting.EngineExecutionEnvironment;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.context.ChunkContext;
@@ -48,7 +48,8 @@ import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.function.Function2;
 import com.volmit.iris.util.hunk.Hunk;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.MantleChunk;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.BlockPosition;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
@@ -110,7 +111,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
 
     IrisContext getContext();
 
-    EngineExecutionEnvironment getExecution();
+    EngineEnvironment getExecution();
 
     double getMaxBiomeObjectDensity();
 
@@ -294,110 +295,107 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
 
         var chunk = mantle.getChunk(c).use();
         try {
-            Semaphore semaphore = new Semaphore(3);
-            chunk.raiseFlag(MantleFlag.ETCHED, () -> {
-                chunk.raiseFlag(MantleFlag.TILE, run(semaphore, () -> J.s(() -> {
-                    mantle.iterateChunk(c.getX(), c.getZ(), TileWrapper.class, (x, y, z, v) -> {
-                        int betterY = y + getWorld().minHeight();
-                        if (!TileData.setTileState(c.getBlock(x, betterY, z), v.getData()))
-                            Iris.warn("Failed to set tile entity data at [%d %d %d | %s] for tile %s!", x, betterY, z, c.getBlock(x, betterY, z).getBlockData().getMaterial().getKey(), v.getData().getMaterial().name());
+            Semaphore semaphore = new Semaphore(1024);
+            chunk.raiseFlagUnchecked(MantleFlag.ETCHED, () -> {
+                chunk.raiseFlagUnchecked(MantleFlag.TILE, run(semaphore, () -> {
+                    chunk.iterate(TileWrapper.class, (x, y, z, v) -> {
+                        Block block = c.getBlock(x & 15, y + getWorld().minHeight(), z & 15);
+                        if (!TileData.setTileState(block, v.getData()))
+                            Iris.warn("Failed to set tile entity data at [%d %d %d | %s] for tile %s!", block.getX(), block.getY(), block.getZ(), block.getType().getKey(), v.getData().getMaterial().getKey());
                     });
-                })));
-                chunk.raiseFlag(MantleFlag.CUSTOM, run(semaphore, () -> J.s(() -> {
-                    mantle.iterateChunk(c.getX(), c.getZ(), Identifier.class, (x, y, z, v) -> {
+                }, 0));
+                chunk.raiseFlagUnchecked(MantleFlag.CUSTOM, run(semaphore, () -> {
+                    chunk.iterate(Identifier.class, (x, y, z, v) -> {
                         Iris.service(ExternalDataSVC.class).processUpdate(this, c.getBlock(x & 15, y + getWorld().minHeight(), z & 15), v);
                     });
-                })));
+                }, 0));
 
-                chunk.raiseFlag(MantleFlag.UPDATE, run(semaphore, () -> J.s(() -> {
+                chunk.raiseFlagUnchecked(MantleFlag.UPDATE, run(semaphore, () -> {
                     PrecisionStopwatch p = PrecisionStopwatch.start();
-                    KMap<Long, Integer> updates = new KMap<>();
-                    RNG r = new RNG(Cache.key(c.getX(), c.getZ()));
-                    mantle.iterateChunk(c.getX(), c.getZ(), MatterCavern.class, (x, yf, z, v) -> {
+                    int[][] grid = new int[16][16];
+                    for (int x = 0; x < 16; x++) {
+                        for (int z = 0; z < 16; z++) {
+                            grid[x][z] = Integer.MIN_VALUE;
+                        }
+                    }
+
+                    RNG rng = new RNG(Cache.key(c.getX(), c.getZ()));
+                    chunk.iterate(MatterCavern.class, (x, yf, z, v) -> {
                         int y = yf + getWorld().minHeight();
-                        if (!B.isFluid(c.getBlock(x & 15, y, z & 15).getBlockData())) {
+                        x &= 15;
+                        z &= 15;
+                        Block block = c.getBlock(x, y, z);
+                        if (!B.isFluid(block.getBlockData())) {
                             return;
                         }
-                        boolean u = false;
-                        if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.DOWN).getBlockData())) {
-                            u = true;
-                        } else if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.WEST).getBlockData())) {
-                            u = true;
-                        } else if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.EAST).getBlockData())) {
-                            u = true;
-                        } else if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.SOUTH).getBlockData())) {
-                            u = true;
-                        } else if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.NORTH).getBlockData())) {
-                            u = true;
-                        }
+                        boolean u = B.isAir(block.getRelative(BlockFace.DOWN).getBlockData())
+                                || B.isAir(block.getRelative(BlockFace.WEST).getBlockData())
+                                || B.isAir(block.getRelative(BlockFace.EAST).getBlockData())
+                                || B.isAir(block.getRelative(BlockFace.SOUTH).getBlockData())
+                                || B.isAir(block.getRelative(BlockFace.NORTH).getBlockData());
 
-                        if (u) {
-                            updates.compute(Cache.key(x & 15, z & 15), (k, vv) -> {
-                                if (vv != null) {
-                                    return Math.max(vv, y);
-                                }
-
-                                return y;
-                            });
-                        }
+                        if (u) grid[x][z] = Math.max(grid[x][z], y);
                     });
 
-                    updates.forEach((k, v) -> update(Cache.keyX(k), v, Cache.keyZ(k), c, r));
-                    mantle.iterateChunk(c.getX(), c.getZ(), MatterUpdate.class, (x, yf, z, v) -> {
+                    for (int x = 0; x < 16; x++) {
+                        for (int z = 0; z < 16; z++) {
+                            if (grid[x][z] == Integer.MIN_VALUE)
+                                continue;
+                            update(x, grid[x][z], z, c, chunk, rng);
+                        }
+                    }
+
+                    chunk.iterate(MatterUpdate.class, (x, yf, z, v) -> {
                         int y = yf + getWorld().minHeight();
                         if (v != null && v.isUpdate()) {
-                            int vx = x & 15;
-                            int vz = z & 15;
-                            update(x, y, z, c, new RNG(Cache.key(c.getX(), c.getZ())));
-                            if (vx > 0 && vx < 15 && vz > 0 && vz < 15) {
-                                updateLighting(x, y, z, c);
-                            }
+                            update(x, y, z, c, chunk, rng);
                         }
                     });
-                    mantle.deleteChunkSlice(c.getX(), c.getZ(), MatterUpdate.class);
+                    chunk.deleteSlices(MatterUpdate.class);
                     getMetrics().getUpdates().put(p.getMilliseconds());
-                }, RNG.r.i(0, 20))));
+                }, RNG.r.i(1, 20))); //Why is there a random delay here?
+            });
+
+            chunk.raiseFlagUnchecked(MantleFlag.SCRIPT, () -> {
+                var scripts = getDimension().getChunkUpdateScripts();
+                if (scripts == null || scripts.isEmpty())
+                    return;
+
+                for (var script : scripts) {
+                    getExecution().updateChunk(script, chunk, c, (delay, task) -> run(semaphore, task, delay));
+                }
             });
 
             try {
-                semaphore.acquire(3);
+                semaphore.acquire(1024);
             } catch (InterruptedException ignored) {}
         } finally {
             chunk.release();
         }
     }
 
-    private static Runnable run(Semaphore semaphore, Runnable runnable) {
+    private static Runnable run(Semaphore semaphore, Runnable runnable, int delay) {
         return () -> {
-            if (!semaphore.tryAcquire())
-                return;
             try {
-                runnable.run();
-            } finally {
-                semaphore.release();
+                semaphore.acquire();
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
             }
+
+            J.s(() -> {
+                try {
+                    runnable.run();
+                } finally {
+                    semaphore.release();
+                }
+            }, delay);
         };
     }
 
-    @BlockCoordinates
-    default void updateLighting(int x, int y, int z, Chunk c) {
-        Block block = c.getBlock(x, y, z);
-        BlockData data = block.getBlockData();
-
-        if (B.isLit(data)) {
-            try {
-                block.setType(Material.AIR, false);
-                block.setBlockData(data, true);
-            } catch (Exception e) {
-                Iris.reportError(e);
-            }
-        }
-    }
-
     @BlockCoordinates
     @Override
 
-    default void update(int x, int y, int z, Chunk c, RNG rf) {
+    default void update(int x, int y, int z, Chunk c, MantleChunk mc, RNG rf) {
         Block block = c.getBlock(x, y, z);
         BlockData data = block.getBlockData();
         blockUpdatedMetric();
@@ -410,17 +408,11 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
             }
 
             if (slot != null) {
-                KList<IrisLootTable> tables = getLootTables(rx, block);
+                KList<IrisLootTable> tables = getLootTables(rx, block, mc);
 
                 try {
                     Bukkit.getPluginManager().callEvent(new IrisLootEvent(this, block, slot, tables));
-
-                    if (!tables.isEmpty()){
-                        Iris.debug("IrisLootEvent has been accessed");
-                    }
-
-                    if (tables.isEmpty())
-                        return;
+                    if (tables.isEmpty()) return;
                     InventoryHolder m = (InventoryHolder) block.getState();
                     addItems(false, m.getInventory(), rx, tables, slot, c.getWorld(), x, y, z, 15);
 
@@ -486,13 +478,23 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
     @BlockCoordinates
     @Override
     default KList<IrisLootTable> getLootTables(RNG rng, Block b) {
+        MantleChunk mc = getMantle().getMantle().getChunk(b.getChunk()).use();
+        try {
+            return getLootTables(rng, b, mc);
+        } finally {
+            mc.release();
+        }
+    }
+
+    @BlockCoordinates
+    default KList<IrisLootTable> getLootTables(RNG rng, Block b, MantleChunk mc) {
         int rx = b.getX();
         int rz = b.getZ();
         int ry = b.getY() - getWorld().minHeight();
         double he = getComplex().getHeightStream().get(rx, rz);
         KList<IrisLootTable> tables = new KList<>();
 
-        PlacedObject po = getObjectPlacement(rx, ry, rz);
+        PlacedObject po = getObjectPlacement(rx, ry, rz, mc);
         if (po != null && po.getPlacement() != null) {
             if (B.isStorageChest(b.getBlockData())) {
                 IrisLootTable table = po.getPlacement().getTable(b.getBlockData(), getData());
@@ -815,7 +817,16 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
     }
 
     default PlacedObject getObjectPlacement(int x, int y, int z) {
-        String objectAt = getMantle().getMantle().get(x, y, z, String.class);
+        MantleChunk chunk = getMantle().getMantle().getChunk(x >> 4, z >> 4).use();
+        try {
+            return getObjectPlacement(x, y, z, chunk);
+        } finally {
+            chunk.release();
+        }
+    }
+
+    default PlacedObject getObjectPlacement(int x, int y, int z, MantleChunk chunk) {
+        String objectAt = chunk.get(x & 15, y, z & 15, String.class);
         if (objectAt == null || objectAt.isEmpty()) {
             return null;
         }
@@ -825,7 +836,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
         int id = Integer.parseInt(v[1]);
 
 
-        JigsawPieceContainer container = getMantle().getMantle().get(x, y, z, JigsawPieceContainer.class);
+        JigsawPieceContainer container = chunk.get(x & 15, y, z & 15, JigsawPieceContainer.class);
         if (container != null) {
             IrisJigsawPiece piece = container.load(getData());
             if (piece.getObject().equals(object))
@@ -840,7 +851,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
             }
         }
 
-        IrisBiome biome = getBiome(x, y, z);
+        IrisBiome biome = getSurfaceBiome(x, z);
 
         for (IrisObjectPlacement i : biome.getObjects()) {
             if (i.getPlace().contains(object)) {
@@ -879,7 +890,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
     default void gotoBiome(IrisBiome biome, Player player, boolean teleport) {
         Set<String> regionKeys = getDimension()
                 .getAllRegions(this).stream()
-                .filter((i) -> i.getAllBiomes(this).contains(biome))
+                .filter((i) -> i.getAllBiomeIds().contains(biome.getLoadKey()))
                 .map(IrisRegistrant::getLoadKey)
                 .collect(Collectors.toSet());
         Locator<IrisBiome> lb = Locator.surfaceBiome(biome.getLoadKey());
@@ -975,7 +986,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
     }
 
     default void gotoRegion(IrisRegion r, Player player, boolean teleport) {
-        if (!getDimension().getAllRegions(this).contains(r)) {
+        if (!getDimension().getRegions().contains(r.getLoadKey())) {
             player.sendMessage(C.RED + r.getName() + " is not defined in the dimension!");
             return;
         }
@@ -989,7 +1000,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
 
     default void cleanupMantleChunk(int x, int z) {
         if (IrisSettings.get().getPerformance().isTrimMantleInStudio() || !isStudio()) {
-            J.a(() -> getMantle().cleanupChunk(x, z));
+            getMantle().cleanupChunk(x, z);
         }
     }
 }

core/src/main/java/com/volmit/iris/engine/framework/EngineAssignedWorldManager.java

@@ -34,6 +34,7 @@ import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.world.ChunkLoadEvent;
+import org.bukkit.event.world.ChunkUnloadEvent;
 import org.bukkit.event.world.WorldSaveEvent;
 import org.bukkit.event.world.WorldUnloadEvent;
 import org.bukkit.inventory.EquipmentSlot;
@@ -125,6 +126,13 @@ public abstract class EngineAssignedWorldManager extends EngineAssignedComponent
         }
     }
 
+    @EventHandler
+    public void on(ChunkUnloadEvent e) {
+        if (e.getChunk().getWorld().equals(getTarget().getWorld().realWorld())) {
+            onChunkUnload(e.getChunk());
+        }
+    }
+
     @Override
     public void close() {
         super.close();

core/src/main/java/com/volmit/iris/engine/framework/EngineWorldManager.java

@@ -45,6 +45,8 @@ public interface EngineWorldManager {
 
     void onChunkLoad(Chunk e, boolean generated);
 
+    void onChunkUnload(Chunk e);
+
     void chargeEnergy();
 
     void teleportAsync(PlayerTeleportEvent e);

core/src/main/java/com/volmit/iris/engine/framework/PlacedObject.java

@@ -22,8 +22,7 @@ import com.volmit.iris.engine.object.IrisObject;
 import com.volmit.iris.engine.object.IrisObjectPlacement;
 import lombok.AllArgsConstructor;
 import lombok.Data;
-
-import javax.annotation.Nullable;
+import org.jetbrains.annotations.Nullable;
 
 @Data
 @AllArgsConstructor

core/src/main/java/com/volmit/iris/engine/framework/placer/HeightmapObjectPlacer.java

@@ -24,7 +24,6 @@ import com.volmit.iris.engine.object.IObjectPlacer;
 import com.volmit.iris.engine.object.IrisObjectPlacement;
 import com.volmit.iris.engine.object.TileData;
 import com.volmit.iris.util.math.RNG;
-import org.bukkit.block.TileState;
 import org.bukkit.block.data.BlockData;
 
 public class HeightmapObjectPlacer implements IObjectPlacer {
@@ -83,6 +82,16 @@ public class HeightmapObjectPlacer implements IObjectPlacer {
         oplacer.setTile(param1Int1, param1Int2, param1Int3, param1TileData);
     }
 
+    @Override
+    public <T> void setData(int xx, int yy, int zz, T data) {
+        oplacer.setData(xx, yy, zz, data);
+    }
+
+    @Override
+    public <T> T getData(int xx, int yy, int zz, Class<T> t) {
+        return oplacer.getData(xx, yy, zz, t);
+    }
+
     @Override
     public Engine getEngine() {
         return null;

core/src/main/java/com/volmit/iris/engine/framework/placer/WorldObjectPlacer.java

@@ -59,6 +59,11 @@ public class WorldObjectPlacer implements IObjectPlacer {
             slot = InventorySlotType.STORAGE;
         }
 
+        if (d instanceof IrisCustomData data) {
+            block.setBlockData(data.getBase(), false);
+            Iris.warn("Tried to place custom block at " + x + ", " + y + ", " + z + " which is not supported!");
+        } else block.setBlockData(d, false);
+
         if (slot != null) {
             RNG rx = new RNG(Cache.key(x, z));
             KList<IrisLootTable> tables = engine.getLootTables(rx, block);
@@ -78,12 +83,6 @@ public class WorldObjectPlacer implements IObjectPlacer {
                 Iris.reportError(e);
             }
         }
-
-
-        if (d instanceof IrisCustomData data) {
-            block.setBlockData(data.getBase());
-            Iris.warn("Tried to place custom block at " + x + ", " + y + ", " + z + " which is not supported!");
-        } else block.setBlockData(d);
     }
 
     @Override
@@ -125,4 +124,13 @@ public class WorldObjectPlacer implements IObjectPlacer {
     public void setTile(int xx, int yy, int zz, TileData tile) {
         tile.toBukkitTry(world.getBlockAt(xx, yy + world.getMinHeight(), zz));
     }
+
+    @Override
+    public <T> void setData(int xx, int yy, int zz, T data) {
+    }
+
+    @Override
+    public <T> T getData(int xx, int yy, int zz, Class<T> t) {
+        return null;
+    }
 }

core/src/main/java/com/volmit/iris/engine/jigsaw/PlannedPiece.java

@@ -69,7 +69,7 @@ public class PlannedPiece {
         this.setRotation(rot);
         this.ogObject = data.getObjectLoader().load(piece.getObject());
         this.object = structure.rotated(piece, rotation);
-        this.piece = rotation.rotateCopy(piece);
+        this.piece = rotation.rotateCopy(piece, new IrisPosition(object.getShrinkOffset()));
         this.piece.setLoadKey(piece.getLoadKey());
         this.object.setLoadKey(piece.getObject());
         this.ogObject.setLoadKey(piece.getObject());

core/src/main/java/com/volmit/iris/engine/jigsaw/PlannedStructure.java

@@ -154,9 +154,9 @@ public class PlannedStructure {
         JigsawStructureContainer structure = JigsawStructureContainer.toContainer(getStructure());
         i.setRealPositions(xx, height, zz, placer);
         return v.place(xx, height, zz, placer, options, rng, (b, data) -> {
-            e.set(b.getX(), b.getY(), b.getZ(), v.getLoadKey() + "@" + id);
-            e.set(b.getX(), b.getY(), b.getZ(), structure);
-            e.set(b.getX(), b.getY(), b.getZ(), piece);
+            placer.setData(b.getX(), b.getY(), b.getZ(), v.getLoadKey() + "@" + id);
+            placer.setData(b.getX(), b.getY(), b.getZ(), structure);
+            placer.setData(b.getX(), b.getY(), b.getZ(), piece);
         }, null, getData().getEngine() != null ? getData() : eng.getData()) != -1;
     }
 

core/src/main/java/com/volmit/iris/engine/mantle/ComponentFlag.java

@@ -1,6 +1,6 @@
 package com.volmit.iris.engine.mantle;
 
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.ReservedFlag;
 
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -10,5 +10,5 @@ import java.lang.annotation.Target;
 @Target(ElementType.TYPE)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface ComponentFlag {
-    MantleFlag value();
+    ReservedFlag value();
 }

core/src/main/java/com/volmit/iris/engine/mantle/EngineMantle.java

@@ -26,31 +26,27 @@ import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineTarget;
 import com.volmit.iris.engine.mantle.components.MantleJigsawComponent;
 import com.volmit.iris.engine.mantle.components.MantleObjectComponent;
-import com.volmit.iris.engine.object.IObjectPlacer;
 import com.volmit.iris.engine.object.IrisDimension;
 import com.volmit.iris.engine.object.IrisPosition;
-import com.volmit.iris.engine.object.TileData;
 import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.context.ChunkContext;
-import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.data.B;
-import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleChunk;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.matter.*;
 import com.volmit.iris.util.matter.slices.UpdateMatter;
-import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
 import org.bukkit.block.data.BlockData;
+import org.jetbrains.annotations.UnmodifiableView;
 
+import java.util.List;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
-// TODO: MOVE PLACER OUT OF MATTER INTO ITS OWN THING
-public interface EngineMantle extends IObjectPlacer {
+public interface EngineMantle extends MatterGenerator {
     BlockData AIR = B.get("AIR");
 
     Mantle getMantle();
@@ -61,12 +57,19 @@ public interface EngineMantle extends IObjectPlacer {
 
     int getRealRadius();
 
-    KList<Pair<KList<MantleComponent>, Integer>> getComponents();
+    @UnmodifiableView
+    List<Pair<List<MantleComponent>, Integer>> getComponents();
 
-    void registerComponent(MantleComponent c);
+    @UnmodifiableView
+    Map<MantleFlag, MantleComponent> getRegisteredComponents();
 
+    boolean registerComponent(MantleComponent c);
+
+    @UnmodifiableView
     KList<MantleFlag> getComponentFlags();
 
+    void hotload();
+
     default int getHighest(int x, int z) {
         return getHighest(x, z, getData());
     }
@@ -87,12 +90,10 @@ public interface EngineMantle extends IObjectPlacer {
         return getHighest(x, z, getData(), ignoreFluid);
     }
 
-    @Override
     default int getHighest(int x, int z, IrisData data) {
         return getHighest(x, z, data, false);
     }
 
-    @Override
     default int getHighest(int x, int z, IrisData data, boolean ignoreFluid) {
         return ignoreFluid ? trueHeight(x, z) : Math.max(trueHeight(x, z), getEngine().getDimension().getFluidHeight());
     }
@@ -101,24 +102,12 @@ public interface EngineMantle extends IObjectPlacer {
         return getComplex().getRoundedHeighteightStream().get(x, z);
     }
 
+    @Deprecated(forRemoval = true)
     default boolean isCarved(int x, int h, int z) {
         return getMantle().get(x, h, z, MatterCavern.class) != null;
     }
 
-    @Override
-    default void set(int x, int y, int z, BlockData d) {
-        if (d instanceof IrisCustomData data) {
-            getMantle().set(x, y, z, data.getBase());
-            getMantle().set(x, y, z, data.getCustom());
-        } else getMantle().set(x, y, z, d == null ? AIR : d);
-    }
-
-    @Override
-    default void setTile(int x, int y, int z, TileData d) {
-        getMantle().set(x, y, z, new TileWrapper(d));
-    }
-
-    @Override
+    @Deprecated(forRemoval = true)
     default BlockData get(int x, int y, int z) {
         BlockData block = getMantle().get(x, y, z, BlockData.class);
         if (block == null)
@@ -126,27 +115,18 @@ public interface EngineMantle extends IObjectPlacer {
         return block;
     }
 
-    @Override
     default boolean isPreventingDecay() {
         return getEngine().getDimension().isPreventLeafDecay();
     }
 
-    @Override
-    default boolean isSolid(int x, int y, int z) {
-        return B.isSolid(get(x, y, z));
-    }
-
-    @Override
     default boolean isUnderwater(int x, int z) {
         return getHighest(x, z, true) <= getFluidHeight();
     }
 
-    @Override
     default int getFluidHeight() {
         return getEngine().getDimension().getFluidHeight();
     }
 
-    @Override
     default boolean isDebugSmartBore() {
         return getEngine().getDimension().isDebugSmartBore();
     }
@@ -194,53 +174,18 @@ public interface EngineMantle extends IObjectPlacer {
         return getEngine().burst();
     }
 
-    @ChunkCoordinates
-    default void generateMatter(int x, int z, boolean multicore, ChunkContext context) {
-        if (!getEngine().getDimension().isUseMantle()) {
-            return;
-        }
-
-        try (MantleWriter writer = getMantle().write(this, x, z, getRadius() * 2)) {
-            var iterator = getComponents().iterator();
-            while (iterator.hasNext()) {
-                var pair = iterator.next();
-                int radius = pair.getB();
-                boolean last = !iterator.hasNext();
-                BurstExecutor burst = burst().burst(radius * 2 + 1);
-                burst.setMulticore(multicore);
-
-                for (int i = -radius; i <= radius; i++) {
-                    for (int j = -radius; j <= radius; j++) {
-                        int xx = x + i;
-                        int zz = z + j;
-                        MantleChunk mc = getMantle().getChunk(xx, zz);
-
-                        burst.queue(() -> {
-                            IrisContext.touch(getEngine().getContext());
-                            pair.getA().forEach(k -> generateMantleComponent(writer, xx, zz, k, mc, context));
-                            if (last) mc.flag(MantleFlag.PLANNED, true);
-                        });
-                    }
-                }
-
-                burst.complete();
-            }
-        }
-    }
-
-    default void generateMantleComponent(MantleWriter writer, int x, int z, MantleComponent c, MantleChunk mc, ChunkContext context) {
-        mc.raiseFlag(c.getFlag(), () -> {
-            if (c.isEnabled()) c.generateLayer(writer, x, z, context);
-        });
-    }
-
     @ChunkCoordinates
     default <T> void insertMatter(int x, int z, Class<T> t, Hunk<T> blocks, boolean multicore) {
         if (!getEngine().getDimension().isUseMantle()) {
             return;
         }
 
-        getMantle().iterateChunk(x, z, t, blocks::set);
+        var chunk = getMantle().getChunk(x, z).use();
+        try {
+            chunk.iterate(t, blocks::set);
+        } finally {
+            chunk.release();
+        }
     }
 
     @BlockCoordinates
@@ -268,9 +213,6 @@ public interface EngineMantle extends IObjectPlacer {
     default int getLoadedRegionCount() {
         return getMantle().getLoadedRegionCount();
     }
-    default long getLastUseMapMemoryUsage(){
-        return getMantle().LastUseMapMemoryUsage();
-    }
 
     MantleJigsawComponent getJigsawComponent();
 
@@ -296,7 +238,7 @@ public interface EngineMantle extends IObjectPlacer {
         if (!isCovered(x, z)) return;
         MantleChunk chunk = getMantle().getChunk(x, z).use();
         try {
-            chunk.raiseFlag(MantleFlag.CLEANED, () -> {
+            chunk.raiseFlagUnchecked(MantleFlag.CLEANED, () -> {
                 chunk.deleteSlices(BlockData.class);
                 chunk.deleteSlices(String.class);
                 chunk.deleteSlices(MatterCavern.class);
@@ -307,7 +249,7 @@ public interface EngineMantle extends IObjectPlacer {
         }
     }
 
-    default long getUnloadRegionCount() {
+    default int getUnloadRegionCount() {
         return getMantle().getUnloadRegionCount();
     }
 

core/src/main/java/com/volmit/iris/engine/mantle/IrisMantleComponent.java

@@ -18,7 +18,7 @@
 
 package com.volmit.iris.engine.mantle;
 
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
@@ -30,5 +30,32 @@ public abstract class IrisMantleComponent implements MantleComponent {
     private final EngineMantle engineMantle;
     private final MantleFlag flag;
     private final int priority;
+
+    private volatile int radius = -1;
+    private final Object lock = new Object();
     private boolean enabled = true;
+
+    protected abstract int computeRadius();
+
+    @Override
+    public void hotload() {
+        synchronized (lock) {
+            radius = -1;
+        }
+    }
+
+    @Override
+    public final int getRadius() {
+        int r = radius;
+        if(r != -1) return r;
+
+        synchronized (lock) {
+            if((r = radius) != -1) {
+                return r;
+            }
+            r = computeRadius();
+            if(r < 0) r = 0;
+            return radius = r;
+        }
+    }
 }

core/src/main/java/com/volmit/iris/engine/mantle/MantleComponent.java

@@ -24,7 +24,7 @@ import com.volmit.iris.engine.object.IrisDimension;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.mantle.Mantle;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import org.jetbrains.annotations.NotNull;
 
@@ -65,6 +65,8 @@ public interface MantleComponent extends Comparable<MantleComponent> {
 
     void setEnabled(boolean b);
 
+    void hotload();
+
     @ChunkCoordinates
     void generateLayer(MantleWriter writer, int x, int z, ChunkContext context);
 

core/src/main/java/com/volmit/iris/engine/mantle/MantleWriter.java

@@ -29,44 +29,55 @@ import com.volmit.iris.engine.object.IrisPosition;
 import com.volmit.iris.engine.object.TileData;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
+import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.IrisCustomData;
+import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.function.Function3;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleChunk;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.Matter;
+import com.volmit.iris.util.matter.MatterCavern;
+import com.volmit.iris.util.matter.TileWrapper;
 import com.volmit.iris.util.noise.CNG;
+import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
 import lombok.Data;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.util.Vector;
 
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
+
+import static com.volmit.iris.engine.mantle.EngineMantle.AIR;
 
 @Data
 public class MantleWriter implements IObjectPlacer, AutoCloseable {
     private final EngineMantle engineMantle;
     private final Mantle mantle;
-    private final KMap<Long, MantleChunk> cachedChunks;
+    private final Map<Long, MantleChunk> cachedChunks;
     private final int radius;
     private final int x;
     private final int z;
 
-    public MantleWriter(EngineMantle engineMantle, Mantle mantle, int x, int z, int radius) {
+    public MantleWriter(EngineMantle engineMantle, Mantle mantle, int x, int z, int radius, boolean multicore) {
         this.engineMantle = engineMantle;
         this.mantle = mantle;
-        this.cachedChunks = new KMap<>();
-        this.radius = radius;
+        this.radius = radius * 2;
+        final int d = this.radius + 1;
+        this.cachedChunks = multicore ? new KMap<>(d * d, 0.75f, Math.max(32, Runtime.getRuntime().availableProcessors() * 4)) : new Long2ObjectOpenHashMap<>(d * d);
         this.x = x;
         this.z = z;
 
-        int r = radius / 4;
-        for (int i = -r; i <= r; i++) {
-            for (int j = -r; j <= r; j++) {
-                cachedChunks.put(Cache.key(i + x, j + z), mantle.getChunk(i + x, j + z).use());
-            }
-        }
+        final int parallelism = multicore ? Runtime.getRuntime().availableProcessors() / 2 : 4;
+        final var map = multicore ? cachedChunks : new KMap<Long, MantleChunk>(d * d, 1f, parallelism);
+        mantle.getChunks(
+                x - radius,
+                x + radius,
+                z - radius,
+                z + radius,
+                parallelism,
+                (i, j, c) -> map.put(Cache.key(i, j), c.use())
+        );
+        if (!multicore) cachedChunks.putAll(map);
     }
 
     private static Set<IrisPosition> getBallooned(Set<IrisPosition> vset, double radius) {
@@ -144,20 +155,46 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
             return;
         }
 
-        if (cx >= this.x - radius && cx <= this.x + radius
-                && cz >= this.z - radius && cz <= this.z + radius) {
-            MantleChunk chunk = cachedChunks.computeIfAbsent(Cache.key(cx, cz), k -> mantle.getChunk(cx, cz).use());
+        MantleChunk chunk = acquireChunk(cx, cz);
+        if (chunk == null) return;
 
-            if (chunk == null) {
-                Iris.error("Mantle Writer Accessed " + cx + "," + cz + " and came up null (and yet within bounds!)");
-                return;
-            }
+        Matter matter = chunk.getOrCreate(y >> 4);
+        matter.slice(matter.getClass(t)).set(x & 15, y & 15, z & 15, t);
+    }
 
-            Matter matter = chunk.getOrCreate(y >> 4);
-            matter.slice(matter.getClass(t)).set(x & 15, y & 15, z & 15, t);
-        } else {
-            Iris.error("Mantle Writer Accessed chunk out of bounds" + cx + "," + cz);
+    public <T> T getData(int x, int y, int z, Class<T> type) {
+        int cx = x >> 4;
+        int cz = z >> 4;
+
+        if (y < 0 || y >= mantle.getWorldHeight()) {
+            return null;
         }
+
+        MantleChunk chunk = acquireChunk(cx, cz);
+        if (chunk == null) {
+            return null;
+        }
+
+        return chunk.getOrCreate(y >> 4)
+                .<T>slice(type)
+                .get(x & 15, y & 15, z & 15);
+    }
+
+    @ChunkCoordinates
+    public MantleChunk acquireChunk(int cx, int cz) {
+        if (cx < this.x - radius || cx > this.x + radius
+                || cz < this.z - radius || cz > this.z + radius) {
+            Iris.error("Mantle Writer Accessed chunk out of bounds" + cx + "," + cz);
+            return null;
+        }
+        final Long key = Cache.key(cx, cz);
+        MantleChunk chunk = cachedChunks.get(key);
+        if (chunk == null) {
+            chunk = mantle.getChunk(cx, cz).use();
+            var old = cachedChunks.put(key, chunk);
+            if (old != null) old.release();
+        }
+        return chunk;
     }
 
     @Override
@@ -180,7 +217,10 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
     @Override
     public BlockData get(int x, int y, int z) {
-        return getEngineMantle().get(x, y, z);
+        BlockData block = getData(x, y, z, BlockData.class);
+        if (block == null)
+            return AIR;
+        return block;
     }
 
     @Override
@@ -190,12 +230,12 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
     @Override
     public boolean isCarved(int x, int y, int z) {
-        return getEngineMantle().isCarved(x, y, z);
+        return getData(x, y, z, MatterCavern.class) != null;
     }
 
     @Override
     public boolean isSolid(int x, int y, int z) {
-        return getEngineMantle().isSolid(x, y, z);
+        return B.isSolid(get(x, y, z));
     }
 
     @Override
@@ -215,7 +255,7 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
     @Override
     public void setTile(int xx, int yy, int zz, TileData tile) {
-        getEngineMantle().setTile(xx, yy, zz, tile);
+        setData(xx, yy, zz, new TileWrapper(tile));
     }
 
     @Override

core/src/main/java/com/volmit/iris/engine/mantle/components/MantleCarvingComponent.java

@@ -28,17 +28,13 @@ import com.volmit.iris.engine.object.IrisCarving;
 import com.volmit.iris.engine.object.IrisRegion;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.ReservedFlag;
 import com.volmit.iris.util.math.RNG;
-import lombok.Getter;
 
-@Getter
-@ComponentFlag(MantleFlag.CARVED)
+@ComponentFlag(ReservedFlag.CARVED)
 public class MantleCarvingComponent extends IrisMantleComponent {
-    private final int radius = computeRadius();
-
     public MantleCarvingComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.CARVED, 0);
+        super(engineMantle, ReservedFlag.CARVED, 0);
     }
 
     @Override
@@ -63,7 +59,7 @@ public class MantleCarvingComponent extends IrisMantleComponent {
         carving.doCarving(writer, rng, getEngineMantle().getEngine(), cx << 4, -1, cz << 4, 0);
     }
 
-    private int computeRadius() {
+    protected int computeRadius() {
         var dimension = getDimension();
         int max = 0;
 

core/src/main/java/com/volmit/iris/engine/mantle/components/MantleFluidBodyComponent.java

@@ -28,17 +28,13 @@ import com.volmit.iris.engine.object.IrisFluidBodies;
 import com.volmit.iris.engine.object.IrisRegion;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.ReservedFlag;
 import com.volmit.iris.util.math.RNG;
-import lombok.Getter;
 
-@Getter
-@ComponentFlag(MantleFlag.FLUID_BODIES)
+@ComponentFlag(ReservedFlag.FLUID_BODIES)
 public class MantleFluidBodyComponent extends IrisMantleComponent {
-    private final int radius = computeRadius();
-
     public MantleFluidBodyComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.FLUID_BODIES, 0);
+        super(engineMantle, ReservedFlag.FLUID_BODIES, 0);
     }
 
     @Override
@@ -63,7 +59,7 @@ public class MantleFluidBodyComponent extends IrisMantleComponent {
         bodies.generate(writer, rng, getEngineMantle().getEngine(), cx << 4, -1, cz << 4);
     }
 
-    private int computeRadius() {
+    protected int computeRadius() {
         int max = 0;
 
         max = Math.max(max, getDimension().getFluidBodies().getMaxRange(getData()));

core/src/main/java/com/volmit/iris/engine/mantle/components/MantleJigsawComponent.java

@@ -30,24 +30,21 @@ import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.ReservedFlag;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.slices.container.JigsawStructuresContainer;
 import com.volmit.iris.util.noise.CNG;
-import lombok.Getter;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
 
-@ComponentFlag(MantleFlag.JIGSAW)
+@ComponentFlag(ReservedFlag.JIGSAW)
 public class MantleJigsawComponent extends IrisMantleComponent {
-    @Getter
-    private final int radius = computeRadius();
     private final CNG cng;
 
     public MantleJigsawComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.JIGSAW, 1);
+        super(engineMantle, ReservedFlag.JIGSAW, 1);
         cng = NoiseStyle.STATIC.create(new RNG(jigsaw()));
     }
 
@@ -169,6 +166,7 @@ public class MantleJigsawComponent extends IrisMantleComponent {
 
     @BlockCoordinates
     private boolean place(MantleWriter writer, IrisPosition position, IrisJigsawStructure structure, RNG rng, boolean forcePlace) {
+        if (structure == null || structure.getDatapackStructures().isNotEmpty()) return false;
         return new PlannedStructure(structure, position, rng, forcePlace).place(writer, getMantle(), writer.getEngine());
     }
 
@@ -176,10 +174,14 @@ public class MantleJigsawComponent extends IrisMantleComponent {
         return getEngineMantle().getEngine().getSeedManager().getJigsaw();
     }
 
-    private int computeRadius() {
+    protected int computeRadius() {
         var dimension = getDimension();
 
         KSet<String> structures = new KSet<>();
+        if (dimension.getStronghold() != null) {
+            structures.add(dimension.getStronghold());
+        }
+
         for (var placement : dimension.getJigsawStructures()) {
             structures.add(placement.getStructure());
         }

core/src/main/java/com/volmit/iris/engine/mantle/components/MantleObjectComponent.java

@@ -33,13 +33,12 @@ import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.format.Form;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.ReservedFlag;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.MatterStructurePOI;
 import com.volmit.iris.util.noise.CNG;
 import com.volmit.iris.util.noise.NoiseType;
 import com.volmit.iris.util.parallel.BurstExecutor;
-import lombok.Getter;
 import org.bukkit.util.BlockVector;
 
 import java.io.IOException;
@@ -47,13 +46,11 @@ import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicInteger;
 
-@Getter
-@ComponentFlag(MantleFlag.OBJECT)
+@ComponentFlag(ReservedFlag.OBJECT)
 public class MantleObjectComponent extends IrisMantleComponent {
-    private final int radius = computeRadius();
 
     public MantleObjectComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.OBJECT, 1);
+        super(engineMantle, ReservedFlag.OBJECT, 1);
     }
 
     @Override
@@ -157,7 +154,7 @@ public class MantleObjectComponent extends IrisMantleComponent {
         return v;
     }
 
-    private int computeRadius() {
+    protected int computeRadius() {
         var dimension = getDimension();
 
         AtomicInteger xg = new AtomicInteger();

core/src/main/java/com/volmit/iris/engine/modifier/IrisCarveModifier.java

@@ -27,6 +27,7 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.data.B;
+import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.function.Consumer4;
 import com.volmit.iris.util.hunk.Hunk;
 import com.volmit.iris.util.mantle.Mantle;
@@ -53,10 +54,11 @@ public class IrisCarveModifier extends EngineAssignedModifier<BlockData> {
     }
 
     @Override
+    @ChunkCoordinates
     public void onModify(int x, int z, Hunk<BlockData> output, boolean multicore, ChunkContext context) {
         PrecisionStopwatch p = PrecisionStopwatch.start();
         Mantle mantle = getEngine().getMantle().getMantle();
-        MantleChunk mc = getEngine().getMantle().getMantle().getChunk(x, z).use();
+        MantleChunk mc = mantle.getChunk(x, z).use();
         KMap<Long, KList<Integer>> positions = new KMap<>();
         KMap<IrisPosition, MatterCavern> walls = new KMap<>();
         Consumer4<Integer, Integer, Integer, MatterCavern> iterator = (xx, yy, zz, c) -> {
@@ -81,19 +83,19 @@ public class IrisCarveModifier extends EngineAssignedModifier<BlockData> {
 
             //todo: Fix chunk decoration not working on chunk's border
 
-            if (rz < 15 && mantle.get(xx, yy, zz + 1, MatterCavern.class) == null) {
+            if (rz < 15 && mc.get(xx, yy, zz + 1, MatterCavern.class) == null) {
                 walls.put(new IrisPosition(rx, yy, rz + 1), c);
             }
 
-            if (rx < 15 && mantle.get(xx + 1, yy, zz, MatterCavern.class) == null) {
+            if (rx < 15 && mc.get(xx + 1, yy, zz, MatterCavern.class) == null) {
                 walls.put(new IrisPosition(rx + 1, yy, rz), c);
             }
 
-            if (rz > 0 && mantle.get(xx, yy, zz - 1, MatterCavern.class) == null) {
+            if (rz > 0 && mc.get(xx, yy, zz - 1, MatterCavern.class) == null) {
                 walls.put(new IrisPosition(rx, yy, rz - 1), c);
             }
 
-            if (rx > 0 && mantle.get(xx - 1, yy, zz, MatterCavern.class) == null) {
+            if (rx > 0 && mc.get(xx - 1, yy, zz, MatterCavern.class) == null) {
                 walls.put(new IrisPosition(rx - 1, yy, rz), c);
             }
 
@@ -217,16 +219,21 @@ public class IrisCarveModifier extends EngineAssignedModifier<BlockData> {
             if (!blocks.hasIndex(i)) {
                 break;
             }
+            int y = zone.floor - i - 1;
 
-            if (!B.isSolid(output.get(rx, zone.floor - i - 1, rz))) {
+            BlockData b = blocks.get(i);
+            BlockData down = output.get(rx, y, rz);
+
+            if (!B.isSolid(down)) {
                 continue;
             }
 
-            if (B.isOre(output.get(rx, zone.floor - i - 1, rz))) {
+            if (B.isOre(down)) {
+                output.set(rx, y, rz, B.toDeepSlateOre(down, b));
                 continue;
             }
 
-            output.set(rx, zone.floor - i - 1, rz, blocks.get(i));
+            output.set(rx, y, rz, blocks.get(i));
         }
 
         blocks = biome.generateCeilingLayers(getDimension(), xx, zz, rng, 3, zone.ceiling, getData(), getComplex());

core/src/main/java/com/volmit/iris/engine/modifier/IrisCustomModifier.java

@@ -5,7 +5,7 @@ import com.volmit.iris.engine.framework.EngineAssignedModifier;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.hunk.Hunk;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
 import org.bukkit.block.data.BlockData;

core/src/main/java/com/volmit/iris/engine/modifier/IrisDepositModifier.java

@@ -25,7 +25,9 @@ import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.HeightMap;
 import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.mantle.MantleChunk;
 import com.volmit.iris.util.math.RNG;
+import com.volmit.iris.util.matter.MatterCavern;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
 import org.bukkit.Material;
@@ -54,28 +56,30 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
 
         long seed = x * 341873128712L + z * 132897987541L;
         long mask = 0;
+        MantleChunk chunk = getEngine().getMantle().getMantle().getChunk(x, z).use();
         for (IrisDepositGenerator k : getDimension().getDeposits()) {
             long finalSeed = seed * ++mask;
-            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
+            burst.queue(() -> generate(k, chunk, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
         }
 
         for (IrisDepositGenerator k : region.getDeposits()) {
             long finalSeed = seed * ++mask;
-            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
+            burst.queue(() -> generate(k, chunk, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
         }
 
         for (IrisDepositGenerator k : biome.getDeposits()) {
             long finalSeed = seed * ++mask;
-            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
+            burst.queue(() -> generate(k, chunk, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
         }
         burst.complete();
+        chunk.release();
     }
 
-    public void generate(IrisDepositGenerator k, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, ChunkContext context) {
-        generate(k, data, rng, cx, cz, safe, null, context);
+    public void generate(IrisDepositGenerator k, MantleChunk chunk, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, ChunkContext context) {
+        generate(k, chunk, data, rng, cx, cz, safe, null, context);
     }
 
-    public void generate(IrisDepositGenerator k, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, HeightMap he, ChunkContext context) {
+    public void generate(IrisDepositGenerator k, MantleChunk chunk, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, HeightMap he, ChunkContext context) {
         if (k.getSpawnChance() < rng.d())
             return;
 
@@ -115,7 +119,7 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
             if (y > k.getMaxHeight() || y < k.getMinHeight() || y > height - 2)
                 continue;
 
-            for (BlockVector j : clump.getBlocks().keySet()) {
+            for (BlockVector j : clump.getBlocks().keys()) {
                 int nx = j.getBlockX() + x;
                 int ny = j.getBlockY() + y;
                 int nz = j.getBlockZ() + z;
@@ -127,7 +131,7 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
                     continue;
                 }
 
-                if (!getEngine().getMantle().isCarved((cx << 4) + nx, ny, (cz << 4) + nz)) {
+                if (chunk.get(nx, ny, nz, MatterCavern.class) == null) {
                     data.set(nx, ny, nz, B.toDeepSlateOre(data.get(nx, ny, nz), clump.getBlocks().get(j)));
                 }
             }

core/src/main/java/com/volmit/iris/engine/modifier/IrisPostModifier.java

@@ -21,6 +21,7 @@ package com.volmit.iris.engine.modifier;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineAssignedModifier;
 import com.volmit.iris.engine.object.IrisBiome;
+import com.volmit.iris.engine.object.IrisSlopeClip;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.hunk.Hunk;
@@ -174,7 +175,8 @@ public class IrisPostModifier extends EngineAssignedModifier<BlockData> {
                     || (hd == h + 1 && isSolidNonSlab(x, hd, z - 1, currentPostX, currentPostZ, currentData)))
             //@done
             {
-                BlockData d = biome.getSlab().get(rng, x, h, z, getData());
+                IrisSlopeClip sc = biome.getSlab().getSlopeCondition();
+                BlockData d = sc.isValid(getComplex().getSlopeStream().get(x, z)) ? biome.getSlab().get(rng, x, h, z, getData()) : null;
 
                 if (d != null) {
                     boolean cancel = B.isAir(d);

core/src/main/java/com/volmit/iris/engine/object/IObjectPlacer.java

@@ -20,8 +20,8 @@ package com.volmit.iris.engine.object;
 
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.engine.framework.Engine;
-import org.bukkit.block.TileState;
 import org.bukkit.block.data.BlockData;
+import org.jetbrains.annotations.Nullable;
 
 public interface IObjectPlacer {
     int getHighest(int x, int z, IrisData data);
@@ -46,5 +46,9 @@ public interface IObjectPlacer {
 
     void setTile(int xx, int yy, int zz, TileData tile);
 
+    <T> void setData(int xx, int yy, int zz, T data);
+
+    <T> @Nullable T getData(int xx, int yy, int zz, Class<T> t);
+
     Engine getEngine();
 }

core/src/main/java/com/volmit/iris/engine/object/IRare.java

@@ -25,9 +25,9 @@ import com.volmit.iris.util.stream.interpolation.Interpolated;
 import java.util.List;
 
 public interface IRare {
-    static <T extends IRare> ProceduralStream<T> stream(ProceduralStream<Double> noise, List<T> possibilities) {
-        return ProceduralStream.of((x, z) -> pick(possibilities, noise.get(x, z)),
-                (x, y, z) -> pick(possibilities, noise.get(x, y, z)),
+    static <T extends IRare> ProceduralStream<T> stream(ProceduralStream<Double> noise, List<T> possibilities, boolean legacyRarity) {
+        return ProceduralStream.of(legacyRarity ? (x, z) -> pickLegacy(possibilities, noise.get(x, z)) : (x, z) -> pick(possibilities, noise.get(x, z)),
+                legacyRarity ? (x, y, z) -> pickLegacy(possibilities, noise.get(x, y, z)) : (x, y, z) -> pick(possibilities, noise.get(x, y, z)),
                 new Interpolated<T>() {
                     @Override
                     public double toDouble(T t) {
@@ -69,6 +69,32 @@ public interface IRare {
             return null;
         }
 
+        if (possibilities.size() == 1) {
+            return possibilities.getFirst();
+        }
+
+        double total = 0;
+        for (T i : possibilities) {
+            total += 1d / i.getRarity();
+        }
+
+        double threshold = total * noiseValue;
+        double buffer = 0;
+        for (T i : possibilities) {
+            buffer += 1d / i.getRarity();
+            if (buffer >= threshold) {
+                return i;
+            }
+        }
+
+        return possibilities.getLast();
+    }
+
+    static <T extends IRare> T pickLegacy(List<T> possibilities, double noiseValue) {
+        if (possibilities.isEmpty()) {
+            return null;
+        }
+
         if (possibilities.size() == 1) {
             return possibilities.get(0);
         }

core/src/main/java/com/volmit/iris/engine/object/IrisBiome.java

@@ -143,14 +143,14 @@ public class IrisBiome extends IrisRegistrant implements IRare {
     @Desc("The default wall if iris decides to place a wall higher than 2 blocks (steep hills or possibly cliffs)")
     private IrisBiomePaletteLayer wall = new IrisBiomePaletteLayer().zero();
     @Required
-    @ArrayType(min = 1, type = IrisBiomePaletteLayer.class)
+    @ArrayType(type = IrisBiomePaletteLayer.class)
     @Desc("This defines the layers of materials in this biome. Each layer has a palette and min/max height and some other properties. Usually a grassy/sandy layer then a dirt layer then a stone layer. Iris will fill in the remaining blocks below your layers with stone.")
     private KList<IrisBiomePaletteLayer> layers = new KList<IrisBiomePaletteLayer>().qadd(new IrisBiomePaletteLayer());
     @Required
-    @ArrayType(min = 1, type = IrisBiomePaletteLayer.class)
+    @ArrayType(type = IrisBiomePaletteLayer.class)
     @Desc("This defines the layers of materials in this biome. Each layer has a palette and min/max height and some other properties. Usually a grassy/sandy layer then a dirt layer then a stone layer. Iris will fill in the remaining blocks below your layers with stone.")
     private KList<IrisBiomePaletteLayer> caveCeilingLayers = new KList<IrisBiomePaletteLayer>().qadd(new IrisBiomePaletteLayer());
-    @ArrayType(min = 1, type = IrisBiomePaletteLayer.class)
+    @ArrayType(type = IrisBiomePaletteLayer.class)
     @Desc("This defines the layers of materials in this biome. Each layer has a palette and min/max height and some other properties. Usually a grassy/sandy layer then a dirt layer then a stone layer. Iris will fill in the remaining blocks below your layers with stone.")
     private KList<IrisBiomePaletteLayer> seaLayers = new KList<>();
     @ArrayType(min = 1, type = IrisDecorator.class)

core/src/main/java/com/volmit/iris/engine/object/IrisBlockData.java

@@ -61,6 +61,7 @@ public class IrisBlockData extends IrisRegistrant {
     private int weight = 1;
     @Desc("If the block cannot be created on this version, Iris will attempt to use this backup block data instead.")
     private IrisBlockData backup = null;
+    @RegistryMapBlockState("block")
     @Desc("Optional properties for this block data such as 'waterlogged': true")
     private KMap<String, Object> data = new KMap<>();
     @Desc("Optional tile data for this block data")

core/src/main/java/com/volmit/iris/engine/object/IrisCave.java

@@ -104,7 +104,7 @@ public class IrisCave extends IrisRegistrant {
         CNG cng = shape.getNoise(base.nextParallelRNG(8131545), engine);
         KSet<IrisPosition> mask = shape.getMasked(rng, engine);
         writer.setNoiseMasked(points,
-                girth, cng.noise(x, y, z), cng, mask, true,
+                girth, shape.getNoiseThreshold() < 0 ? cng.noise(x, y, z) : shape.getNoiseThreshold(), cng, mask, true,
                 (xf, yf, zf) -> yf <= h ? w : c);
     }
 

core/src/main/java/com/volmit/iris/engine/object/IrisCaveShape.java

@@ -1,9 +1,7 @@
 package com.volmit.iris.engine.object;
 
 import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.engine.object.annotations.Desc;
-import com.volmit.iris.engine.object.annotations.RegistryListResource;
-import com.volmit.iris.engine.object.annotations.Snippet;
+import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.math.M;
@@ -25,6 +23,11 @@ public class IrisCaveShape {
 
     @Desc("Noise used for the shape of the cave")
     private IrisGeneratorStyle noise = new IrisGeneratorStyle();
+    @MinNumber(0)
+    @MaxNumber(1)
+    @Desc("The threshold for noise mask")
+    private double noiseThreshold = -1;
+
     @RegistryListResource(IrisObject.class)
     @Desc("Object used as mask for the shape of the cave")
     private String object = null;

core/src/main/java/com/volmit/iris/engine/object/IrisCommand.java

@@ -21,6 +21,7 @@ package com.volmit.iris.engine.object;
 import com.volmit.iris.Iris;
 import com.volmit.iris.engine.object.annotations.ArrayType;
 import com.volmit.iris.engine.object.annotations.Desc;
+import com.volmit.iris.engine.object.annotations.Required;
 import com.volmit.iris.engine.object.annotations.Snippet;
 import com.volmit.iris.util.collection.KList;
 import lombok.Data;
@@ -37,6 +38,7 @@ import org.bukkit.World;
 @Data
 public class IrisCommand {
 
+    @Required
     @ArrayType(min = 1, type = String.class)
     @Desc("List of commands. Iris replaces {x} {y} and {z} with the location of the entity spawn")
     private KList<String> commands = new KList<>();

core/src/main/java/com/volmit/iris/engine/object/IrisCommandRegistry.java

@@ -33,6 +33,7 @@ import org.bukkit.entity.Player;
 @Desc("Represents a casting location for a command")
 @Data
 public class IrisCommandRegistry {
+    @Required
     @ArrayType(min = 1, type = IrisCommand.class)
     @Desc("Run commands, at the exact location of the player")
     private KList<IrisCommand> rawCommands = new KList<>();