Merge branch 'dev' into feat/folia

# Conflicts:
#	core/src/main/java/com/volmit/iris/core/nms/INMSBinding.java
#	core/src/main/java/com/volmit/iris/engine/framework/Engine.java
#	core/src/main/java/com/volmit/iris/engine/object/IrisEntity.java

build.gradle.kts

@@ -32,13 +32,12 @@ plugins {
     java
     `java-library`
     alias(libs.plugins.shadow)
-    alias(libs.plugins.sentry)
     alias(libs.plugins.download)
     alias(libs.plugins.runPaper)
 }
 
 group = "com.volmit"
-version = "3.7.0-1.20.1-1.21.7"
+version = "3.7.2-1.20.1-1.21.8"
 
 apply<ApiGenerator>()
 
@@ -64,7 +63,7 @@ val serverMinHeap = "2G"
 val serverMaxHeap = "8G"
 //Valid values are: none, truecolor, indexed256, indexed16, indexed8
 val color = "truecolor"
-val errorReporting = false
+val errorReporting = findProperty("errorReporting") as Boolean? ?: false
 
 val nmsBindings = mapOf(
         "v1_21_R5" to "1.21.7-R0.1-SNAPSHOT",
@@ -110,7 +109,7 @@ 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)
@@ -176,12 +175,13 @@ tasks {
         group = "io.sentry"
         dependsOn("downloadCli")
         doLast {
+            val url = "http://sentry.volmit.com:8080"
             val authToken = project.findProperty("sentry.auth.token") ?: System.getenv("SENTRY_AUTH_TOKEN")
-            val org = "volmit-software"
+            val org = "sentry"
             val projectName = "iris"
-            exec(cli, "releases", "new", "--auth-token", authToken, "-o", org, "-p", projectName, version)
-            exec(cli, "releases", "set-commits", "--auth-token", authToken, "-o", org, "-p", projectName, version, "--auto", "--ignore-missing")
-            exec(cli, "releases", "finalize", "--auth-token", authToken, "-o", org, "-p", projectName, version)
+            exec(cli, "--url", url , "--auth-token", authToken, "releases", "new", "-o", org, "-p", projectName, version)
+            exec(cli, "--url", url , "--auth-token", authToken, "releases", "set-commits", "-o", org, "-p", projectName, version, "--auto", "--ignore-missing")
+            //exec(cli, "--url", url, "--auth-token", authToken, "releases", "finalize", "-o", org, "-p", projectName, version)
             cli.delete()
         }
     }
@@ -298,4 +298,4 @@ fun registerCustomOutputTaskUnix(name: String, path: String) {
         into(file(path))
         rename { "Iris.jar" }
     }
-}
+}

core/build.gradle.kts

@@ -28,6 +28,8 @@ 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"
@@ -92,11 +94,23 @@ 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 {
@@ -104,10 +118,11 @@ java {
 }
 
 sentry {
+    url = "http://sentry.volmit.com:8080/"
     autoInstallation.enabled = false
     includeSourceContext = true
 
-    org = "volmit-software"
+    org = "sentry"
     projectName = "iris"
     authToken = findProperty("sentry.auth.token") as String? ?: System.getenv("SENTRY_AUTH_TOKEN")
 }
@@ -123,6 +138,13 @@ 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")
 }
 
 tasks {

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

@@ -100,6 +100,7 @@ public class Iris extends VolmitPlugin implements Listener {
     public static FileWatcher configWatcher;
     public static Platform platform;
     private static VolmitSender sender;
+    private static Thread shutdownHook;
 
     static {
         try {
@@ -457,6 +458,7 @@ public class Iris extends VolmitPlugin implements Listener {
         configWatcher = new FileWatcher(getDataFile("settings.json"));
         services.values().forEach(IrisService::onEnable);
         services.values().forEach(this::registerListener);
+        addShutdownHook();
         J.s(() -> {
             //J.a(IrisSafeguard::suggestPaper); //TODO reimplement this
             J.a(() -> IO.delete(getTemp()));
@@ -475,6 +477,24 @@ 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) -> {
@@ -555,17 +575,7 @@ public class Iris extends VolmitPlugin implements Listener {
         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() {
@@ -740,7 +750,7 @@ public class Iris extends VolmitPlugin implements Listener {
         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()};
+            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()};

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() {
@@ -176,13 +176,13 @@ public class IrisSettings {
 
     @Data
     public static class IrisSettingsUpdater {
-        public double threadMultiplier = 2;
+        public int maxConcurrency = 256;
         public double chunkLoadSensitivity = 0.7;
         public MsRange emptyMsRange = new MsRange(80, 100);
         public MsRange defaultMsRange = new MsRange(20, 40);
 
-        public double getThreadMultiplier() {
-            return Math.min(Math.abs(threadMultiplier), 0.1);
+        public int getMaxConcurrency() {
+            return Math.max(Math.abs(maxConcurrency), 1);
         }
 
         public double getChunkLoadSensitivity() {
@@ -242,6 +242,8 @@ public class IrisSettings {
         public String defaultWorldType = "overworld";
         public int maxBiomeChildDepth = 4;
         public boolean preventLeafDecay = true;
+        public boolean useMulticore = false;
+        public boolean offsetNoiseTypes = false;
     }
 
     @Data
@@ -255,6 +257,7 @@ 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/commands/CommandDeveloper.java

@@ -37,6 +37,7 @@ 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;
@@ -53,6 +54,7 @@ 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;
@@ -64,7 +66,6 @@ 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 +80,33 @@ public class CommandDeveloper implements DecreeExecutor {
         Iris.reportError(new Exception("This is a test"));
     }
 
+    @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 {
@@ -115,27 +143,6 @@ 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 );
-
-        }
-
-    }
-
     @Decree(description = "Test")
     public void packBenchmark(
             @Param(description = "The pack to bench", aliases = {"pack"}, defaultValue = "overworld")

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;
@@ -55,6 +53,7 @@ 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;
@@ -312,24 +311,6 @@ 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/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;
@@ -182,17 +181,32 @@ public class CommandStudio implements DecreeExecutor {
                 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;
+                ParallelQueueJob<Position2> prep = new ParallelQueueJob<>() {
+                    @Override
+                    public void execute(Position2 pos) {
+                        var cpos = pos.add(x, z);
+                        if (Math.abs(pos.getX()) <= radius && Math.abs(pos.getZ()) <= radius) {
+                            mantle.deleteChunk(cpos.getX(), cpos.getZ());
+                            return;
                         }
-                        chunkMap.put(new Position2(xx, zz), mantle.getChunk(xx, zz));
-                        mantle.deleteChunk(xx, zz);
+                        chunkMap.put(cpos, mantle.getChunk(cpos.getX(), cpos.getZ()));
+                        mantle.deleteChunk(cpos.getX(), cpos.getZ());
+                    }
+
+                    @Override
+                    public String getName() {
+                        return "Preparing Mantle";
+                    }
+                };
+                for (int xx = -(radius + rad); xx <= radius + rad; xx++) {
+                    for (int zz = -(radius + rad); zz <= radius + rad; zz++) {
+                        prep.queue(new Position2(xx, zz));
                     }
                 }
+                CountDownLatch pLatch = new CountDownLatch(1);
+                prep.execute(sender(), pLatch::countDown);
+                pLatch.await();
+
 
                 ParallelQueueJob<Position2> job = new ParallelQueueJob<>() {
                     @Override
@@ -210,23 +224,24 @@ public class CommandStudio implements DecreeExecutor {
                         job.queue(new Position2(i + x, j + 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);
+                    var c = mantle.getChunk(pos.getX(), pos.getZ()).use();
+                    try {
+                        c.copyFlags(chunk);
+                        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);
+                        }
+                    } finally {
+                        c.release();
                     }
                 });
             } catch (Throwable e) {
@@ -339,6 +354,42 @@ public class CommandStudio implements DecreeExecutor {
         }, null);
     }
 
+    @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) {
@@ -350,7 +401,7 @@ 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...");

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/gui/VisionGUI.java

@@ -30,7 +30,6 @@ import com.volmit.iris.engine.object.IrisWorld;
 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.data.registry.Attributes;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.math.BlockPosition;
 import com.volmit.iris.util.math.M;
@@ -40,7 +39,6 @@ import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.O;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
 import org.bukkit.Location;
-import org.bukkit.attribute.Attribute;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 
@@ -415,8 +413,7 @@ public class VisionGUI extends JPanel implements MouseWheelListener, KeyListener
     }
 
     private double getWorldX(double screenX) {
-        //return (mscale * screenX) + ((oxp / scale) * mscale);
-        return (mscale * screenX) + ((oxp / scale));
+        return (mscale * screenX) + ((oxp / scale) * mscale);
     }
 
     private double getWorldZ(double screenZ) {
@@ -486,6 +483,13 @@ public class VisionGUI extends JPanel implements MouseWheelListener, KeyListener
             hz += Math.abs(hz - lz) * 0.36;
         }
 
+        if (Math.abs(lx - hx) < 0.5) {
+            hx = lx;
+        }
+        if (Math.abs(lz - hz) < 0.5) {
+            hz = lz;
+        }
+
         if (centities.flip()) {
             J.s(() -> {
                 synchronized (lastEntities) {
@@ -510,8 +514,8 @@ public class VisionGUI extends JPanel implements MouseWheelListener, KeyListener
         int iscale = (int) scale;
         g.setColor(Color.white);
         g.clearRect(0, 0, w, h);
-        int posX = (int) oxp;
-        int posZ = (int) ozp;
+        double offsetX = oxp / scale;
+        double offsetZ = ozp / scale;
         m.set(3);
 
         for (int r = 0; r < Math.max(w, h); r += iscale) {
@@ -520,10 +524,14 @@ public class VisionGUI extends JPanel implements MouseWheelListener, KeyListener
                     int a = i - (w / 2);
                     int b = j - (h / 2);
                     if (a * a + b * b <= r * r) {
-                        BufferedImage t = getTile(gg, iscale, Math.floorDiv((posX / iscale) + i, iscale) * iscale, Math.floorDiv((posZ / iscale) + j, iscale) * iscale, m);
+                        int tx = (int) (Math.floor((offsetX + i) / iscale) * iscale);
+                        int tz = (int) (Math.floor((offsetZ + j) / iscale) * iscale);
+                        BufferedImage t = getTile(gg, iscale, tx, tz, m);
 
                         if (t != null) {
-                            g.drawImage(t, i - ((posX / iscale) % (iscale)), j - ((posZ / iscale) % (iscale)), iscale, iscale, (img, infoflags, x, y, width, height) -> true);
+                            int rx = Math.floorMod((int) Math.floor(offsetX), iscale);
+                            int rz = Math.floorMod((int) Math.floor(offsetZ), iscale);
+                            g.drawImage(t, i - rx, j - rz, iscale, iscale, (img, infoflags, x, y, width, height) -> true);
                         }
                     }
                 }
@@ -651,8 +659,8 @@ public class VisionGUI extends JPanel implements MouseWheelListener, KeyListener
     private void animateTo(double wx, double wz) {
         double cx = getWorldX(getWidth() / 2);
         double cz = getWorldZ(getHeight() / 2);
-        ox += (wx - cx);
-        oz += (wz - cz);
+        ox += ((wx - cx) / mscale) * scale;
+        oz += ((wz - cz) / mscale) * scale;
     }
 
     private void renderPosition(Graphics2D g, double x, double z) {
@@ -807,11 +815,28 @@ public class VisionGUI extends JPanel implements MouseWheelListener, KeyListener
             return;
         }
 
-        //Iris.info("Blocks/Pixel: " + (mscale) + ", Blocks Wide: " + (w * mscale));
+        double m0 = mscale;
+        double m1 = m0 + ((0.25 * m0) * notches);
+        m1 = Math.max(m1, 0.00001);
+        if (m1 == m0) {
+            return;
+        }
+
         positions.clear();
         fastpositions.clear();
-        mscale = mscale + ((0.25 * mscale) * notches);
-        mscale = Math.max(mscale, 0.00001);
+
+        Point p = e.getPoint();
+        double sx = p.getX();
+        double sz = p.getY();
+
+        double newOxp = scale * ((m0 / m1) * (sx + (oxp / scale)) - sx);
+        double newOzp = scale * ((m0 / m1) * (sz + (ozp / scale)) - sz);
+
+        mscale = m1;
+        oxp = newOxp;
+        ozp = newOzp;
+        ox = oxp;
+        oz = ozp;
     }
 
     @Override

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/ItemAdderDataProvider.java

@@ -4,24 +4,27 @@ import com.volmit.iris.Iris;
 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.KList;
 import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.data.B;
+import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.data.IrisCustomData;
 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.stream.Collectors;
 
 public class ItemAdderDataProvider extends ExternalDataProvider {
 
-    private KList<String> itemNamespaces, blockNamespaces;
+    private final KSet<String> itemNamespaces = new KSet<>();
+    private final KSet<String> blockNamespaces = new KSet<>();
 
     public ItemAdderDataProvider() {
         super("ItemsAdder");
@@ -29,16 +32,12 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
 
     @Override
     public void init() {
-        this.itemNamespaces = new KList<>();
-        this.blockNamespaces = new KList<>();
+        updateNamespaces();
+    }
 
-        for (Identifier i : getTypes(DataType.ITEM)) {
-            itemNamespaces.addIfMissing(i.namespace());
-        }
-        for (Identifier i : getTypes(DataType.BLOCK)) {
-            blockNamespaces.addIfMissing(i.namespace());
-            Iris.info("Found ItemAdder Block: " + i);
-        }
+    @EventHandler
+    public void onLoadData(ItemsAdderLoadDataEvent event) {
+        updateNamespaces();
     }
 
     @NotNull
@@ -48,7 +47,7 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
         if (block == null) {
             throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
         }
-        return new IrisCustomData(B.getAir(), blockId);
+        return new IrisCustomData(block.getBaseBlockData(), blockId);
     }
 
     @NotNull
@@ -81,9 +80,25 @@ public class ItemAdderDataProvider extends ExternalDataProvider {
         };
     }
 
+    private void updateNamespaces() {
+        try {
+            updateNamespaces(DataType.ITEM);
+            updateNamespaces(DataType.BLOCK);
+        } catch (Throwable e) {
+            Iris.warn("Failed to update ItemAdder namespaces: " + e.getMessage());
+        }
+    }
+
+    private void updateNamespaces(DataType dataType) {
+        var namespaces = getTypes(dataType).stream().map(Identifier::namespace).collect(Collectors.toSet());
+        var currentNamespaces = dataType == DataType.ITEM ? itemNamespaces : blockNamespaces;
+        currentNamespaces.removeIf(n -> !namespaces.contains(n));
+        currentNamespaces.addAll(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/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;
 
@@ -77,6 +79,19 @@ public class MythicCrucibleDataProvider extends ExternalDataProvider {
         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

@@ -17,6 +17,7 @@ import org.bukkit.entity.Entity;
 import org.bukkit.event.EventHandler;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;

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");
     }
@@ -59,6 +57,15 @@ public class NexoDataProvider extends ExternalDataProvider {
         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;
@@ -54,6 +57,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     private static final KMap<File, IrisData> dataLoaders = new KMap<>();
     private final File dataFolder;
     private final int id;
+    private final PackEnvironment environment;
     private boolean closed = false;
     private ResourceLoader<IrisBiome> biomeLoader;
     private ResourceLoader<IrisLootTable> lootLoader;
@@ -87,6 +91,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         this.engine = null;
         this.dataFolder = dataFolder;
         this.id = RNG.r.imax();
+        this.environment = PackEnvironment.create(this);
         hotloaded();
     }
 
@@ -252,12 +257,20 @@ 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 +284,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     public void close() {
         closed = true;
         dump();
+        dataLoaders.remove(dataFolder);
     }
 
     public IrisData copy() {
@@ -311,12 +325,14 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     }
 
     public synchronized void hotloaded() {
+        environment.close();
         possibleSnippets = new KMap<>();
         builder = new GsonBuilder()
                 .addDeserializationExclusionStrategy(this)
                 .addSerializationExclusionStrategy(this)
                 .setLenient()
                 .registerTypeAdapterFactory(this)
+                .registerTypeAdapter(MantleFlag.class, new MantleFlagAdapter())
                 .setPrettyPrinting();
         loaders.clear();
         File packs = dataFolder;
@@ -344,6 +360,10 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         builder.registerTypeAdapterFactory(KeyedType::createTypeAdapter);
 
         gson = builder.create();
+        dimensionLoader.streamAll()
+                .map(IrisDimension::getDataScripts)
+                .flatMap(KList::stream)
+                .forEach(environment::execute);
     }
 
     public void dump() {
@@ -482,7 +502,7 @@ 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 +519,7 @@ 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/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 +45,9 @@ import lombok.EqualsAndHashCode;
 import lombok.ToString;
 
 import java.io.*;
+import java.util.Arrays;
 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 +60,7 @@ 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 +76,7 @@ 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;
@@ -216,6 +216,10 @@ 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 +240,7 @@ 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(() -> {
@@ -361,29 +365,24 @@ 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 +402,7 @@ 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 +428,7 @@ 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/INMSBinding.java

@@ -20,6 +20,7 @@ package com.volmit.iris.core.nms;
 
 import com.volmit.iris.core.link.FoliaWorldsLink;
 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.engine.framework.Engine;
 import com.volmit.iris.engine.platform.PlatformChunkGenerator;
@@ -37,10 +38,10 @@ 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.concurrent.CompletableFuture;
+import java.util.List;
 
 public interface INMSBinding {
     boolean hasTile(Material material);
@@ -144,4 +145,6 @@ public interface INMSBinding {
     default boolean injectBukkit() {
         return true;
     }
+
+    KMap<Material, List<BlockProperty>> getBlockProperties();
 }

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/v1X/NMSBinding1X.java

@@ -21,6 +21,7 @@ package com.volmit.iris.core.nms.v1X;
 import com.volmit.iris.Iris;
 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.engine.framework.Engine;
 import com.volmit.iris.util.collection.KList;
@@ -40,6 +41,7 @@ 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 +126,15 @@ 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 CompoundTag serializeEntity(Entity location) {
         return null;

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

@@ -8,7 +8,7 @@ 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;
@@ -38,14 +38,14 @@ 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 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 int maxConcurrency = IrisSettings.get().getUpdater().getMaxConcurrency();
+    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 executor = Executors.newVirtualThreadPerTaskExecutor();
+    private final ExecutorService chunkExecutor = Executors.newVirtualThreadPerTaskExecutor();
     private final ScheduledExecutorService scheduler  = Executors.newScheduledThreadPool(1);
     private final CountDownLatch latch;
     private final Engine engine;
@@ -137,10 +137,10 @@ public class ChunkUpdater {
             loadBalancer.close();
             semaphore.acquire(256);
 
-            executor.shutdown();
-            executor.awaitTermination(5, TimeUnit.SECONDS);
             chunkExecutor.shutdown();
             chunkExecutor.awaitTermination(5, TimeUnit.SECONDS);
+            executor.shutdown();
+            executor.awaitTermination(5, TimeUnit.SECONDS);
             scheduler.shutdownNow();
             unloadAndSaveAllChunks();
         } catch (Exception ignored) {}

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

@@ -3,7 +3,9 @@ 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.github.benmanes.caffeine.cache.Scheduler;
 import com.volmit.iris.Iris;
+import com.volmit.iris.util.data.KCache;
 import com.volmit.iris.util.data.Varint;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.documentation.RegionCoordinates;
@@ -14,12 +16,10 @@ 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;
@@ -27,6 +27,8 @@ class PregenCacheImpl implements PregenCache {
     private final HyperLock hyperLock = new HyperLock(SIZE * 2, true);
     private final LoadingCache<Pos, Plate> cache = Caffeine.newBuilder()
             .expireAfterAccess(10, TimeUnit.SECONDS)
+            .executor(KCache.EXECUTOR)
+            .scheduler(Scheduler.systemScheduler())
             .maximumSize(SIZE)
             .removalListener(this::onRemoval)
             .evictionListener(this::onRemoval)

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

@@ -190,7 +190,7 @@ 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 +1,104 @@
+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.HashMap;
+import java.util.Optional;
+import java.util.Scanner;
+
+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);
+        attach(process.getInputStream());
+        attach(process.getErrorStream());
+        var code = process.waitFor();
+        if (code == 0) return;
+        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) {
+        Thread.ofVirtual().start(() -> {
+            try (var in = new Scanner(stream)) {
+                while (in.hasNextLine()) {
+                    String line = in.nextLine();
+                    Iris.debug("[GRADLE] " + line);
+                }
+            }
+        });
+    }
+}

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

@@ -24,6 +24,7 @@ import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.core.loader.ResourceLoader;
+import com.volmit.iris.core.scripting.environment.SimpleEnvironment;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.object.*;
 import com.volmit.iris.engine.object.annotations.Snippet;
@@ -49,6 +50,8 @@ 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.*;
@@ -217,24 +220,15 @@ 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());
+            if (d == null) {
+                sender.sendMessage("Can't find dimension: " + getName());
+                return;
+            } else if (sender.isPlayer()) {
+                sender.player().setGameMode(GameMode.SPECTATOR);
+            }
+
             try {
                 activeProvider = (PlatformChunkGenerator) IrisToolbelt.createWorld()
                         .seed(seed)
@@ -247,6 +241,8 @@ public class IrisProject {
             } catch (IrisException e) {
                 e.printStackTrace();
             }
+
+            openVSCode(sender);
         });
     }
 
@@ -359,6 +355,74 @@ 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

@@ -110,9 +110,12 @@ 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()) {
@@ -124,11 +127,15 @@ public class SchemaBuilder {
 
                 JSONObject property = buildProperty(k, c);
 
-                if (property.getBoolean("!required")) {
+                if (Boolean.TRUE == property.remove("!required")) {
                     required.put(k.getName());
                 }
 
-                property.remove("!required");
+                if (Boolean.TRUE == property.remove("!top")) {
+                    extended.put(property);
+                    continue;
+                }
+
                 properties.put(k.getName(), property);
             }
         }
@@ -142,15 +149,24 @@ public class SchemaBuilder {
 
             JSONObject property = buildProperty(k, c);
 
-            if (property.getBoolean("!required"))
+            if (Boolean.TRUE == property.remove("!required")) {
                 required.put(k.getName());
-            property.remove("!required");
+            }
+
+            if (Boolean.TRUE == property.remove("!top")) {
+                extended.put(property);
+                continue;
+            }
+
             properties.put(k.getName(), property);
         }
 
         if (required.length() > 0) {
             o.put("required", required);
         }
+        if (extended.length() > 0) {
+            o.put("allOf", extended);
+        }
 
         o.put("properties", properties);
 
@@ -343,13 +359,63 @@ 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 +586,12 @@ 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 +603,9 @@ 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 +613,13 @@ 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");
+                    d.add(SYMBOL_LIMIT__N + " 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 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 +627,14 @@ 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 +660,10 @@ 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 +689,9 @@ 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/scripting/environment/EngineEnvironment.java

@@ -0,0 +1,25 @@
+package com.volmit.iris.core.scripting.environment;
+
+import com.volmit.iris.core.loader.IrisRegistrant;
+import com.volmit.iris.core.scripting.kotlin.environment.IrisExecutionEnvironment;
+import com.volmit.iris.engine.framework.Engine;
+import lombok.NonNull;
+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);
+}

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

@@ -0,0 +1,19 @@
+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.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);
+}

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

@@ -0,0 +1,34 @@
+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);
+
+    default void close() {
+
+    }
+}

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/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

@@ -2,9 +2,11 @@ package com.volmit.iris.core.service;
 
 import com.github.benmanes.caffeine.cache.Cache;
 import com.github.benmanes.caffeine.cache.Caffeine;
+import com.github.benmanes.caffeine.cache.Scheduler;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.pregenerator.cache.PregenCache;
 import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.data.KCache;
 import com.volmit.iris.util.plugin.IrisService;
 import lombok.NonNull;
 import org.bukkit.Bukkit;
@@ -20,7 +22,11 @@ import java.io.File;
 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 Cache<String, PregenCache> REFERENCE_CACHE = Caffeine.newBuilder()
+            .executor(KCache.EXECUTOR)
+            .scheduler(Scheduler.systemScheduler())
+            .weakValues()
+            .build();
     private final KMap<String, PregenCache> globalCache = new KMap<>();
     private transient boolean lastState;
     private static boolean disabled = true;

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

@@ -157,6 +157,7 @@ public class IrisEngineSVC implements IrisService {
     private final class Registered {
         private final String name;
         private final PlatformChunkGenerator access;
+        private final int offset = RNG.r.nextInt(1000);
         private transient ScheduledFuture<?> trimmer;
         private transient ScheduledFuture<?> unloader;
         private transient boolean closed;
@@ -193,7 +194,7 @@ public class IrisEngineSVC implements IrisService {
                         Iris.error("EngineSVC: Failed to trim for " + name);
                         e.printStackTrace();
                     }
-                }, RNG.r.nextInt(1000), 1000, TimeUnit.MILLISECONDS);
+                }, offset, 2000, TimeUnit.MILLISECONDS);
             }
 
             if (unloader == null || unloader.isDone() || unloader.isCancelled()) {
@@ -204,7 +205,7 @@ 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 +214,7 @@ public class IrisEngineSVC implements IrisService {
                         Iris.error("EngineSVC: Failed to unload for " + name);
                         e.printStackTrace();
                     }
-                }, RNG.r.nextInt(1000), 1000, TimeUnit.MILLISECONDS);
+                }, offset + 1000, 2000, TimeUnit.MILLISECONDS);
             }
         }
 

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

@@ -43,10 +43,6 @@ public class PreservationSVC implements IrisService {
         threads.add(t);
     }
 
-    public void register(MultiBurst burst) {
-
-    }
-
     public void register(ExecutorService service) {
         services.add(service);
     }

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;
@@ -98,10 +96,10 @@ public class IrisComplex implements DataProvider {
         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/IrisEngine.java

@@ -28,12 +28,12 @@ import com.volmit.iris.core.loader.ResourceLoader;
 import com.volmit.iris.core.nms.container.BlockPos;
 import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.core.project.IrisProject;
+import com.volmit.iris.core.scripting.environment.EngineEnvironment;
 import com.volmit.iris.core.service.PreservationSVC;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.framework.*;
 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.atomics.AtomicRollingSequence;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.context.ChunkContext;
@@ -43,7 +43,7 @@ import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.hunk.Hunk;
 import com.volmit.iris.util.io.IO;
-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.RNG;
 import com.volmit.iris.util.matter.MatterStructurePOI;
@@ -95,7 +95,7 @@ public class IrisEngine implements Engine {
     private CompletableFuture<Long> hash32;
     private EngineMode mode;
     private EngineEffects effects;
-    private EngineExecutionEnvironment execution;
+    private EngineEnvironment execution;
     private EngineWorldManager worldManager;
     private volatile int parallelism;
     private boolean failing;
@@ -171,10 +171,12 @@ public class IrisEngine implements Engine {
             cacheId = RNG.r.nextInt();
             worldManager = new IrisWorldManager(this);
             complex = new IrisComplex(this);
-            execution = new IrisExecutionEnvironment(this);
+            execution = EngineEnvironment.create(this);
             effects = new IrisEngineEffects(this);
             hash32 = new CompletableFuture<>();
+            mantle.hotload();
             setupMode();
+            getDimension().getEngineScripts().forEach(execution::execute);
             J.a(this::computeBiomeMaxes);
             J.a(() -> {
                 File[] roots = getData().getLoaders()
@@ -200,7 +202,7 @@ public class IrisEngine implements Engine {
             mode.close();
         }
 
-        mode = getDimension().getMode().getType().create(this);
+        mode = getDimension().getMode().create(this);
     }
 
     @Override

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()
@@ -86,10 +89,9 @@ public class IrisEngineMantle implements EngineMantle {
                                 .mapToInt(MantleComponent::getRadius)
                                 .max()
                                 .orElse(0);
-                        return new Pair<>(components, radius);
+                        return new Pair<>(List.copyOf(components), radius);
                     })
-                    .collect(Collectors.toCollection(KList::new));
-
+                    .toList();
 
             int radius = 0;
             for (var pair : list.reversed()) {
@@ -102,19 +104,36 @@ 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

@@ -29,7 +29,7 @@ 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;

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 +48,7 @@ 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.flag.MantleFlag;
 import com.volmit.iris.util.math.BlockPosition;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
@@ -109,7 +109,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
 
     IrisContext getContext();
 
-    EngineExecutionEnvironment getExecution();
+    EngineEnvironment getExecution();
 
     double getMaxBiomeObjectDensity();
 
@@ -295,68 +295,63 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
         try {
             Semaphore semaphore = new Semaphore(3);
             chunk.raiseFlag(MantleFlag.ETCHED, () -> {
-                var region = Iris.platform.getRegionScheduler();
-                chunk.raiseFlag(MantleFlag.TILE, run(semaphore, () -> region.run(c.getWorld(), c.getX(), c.getZ(), () -> {
-                    mantle.iterateChunk(c.getX(), c.getZ(), TileWrapper.class, (x, y, z, v) -> {
-                        Block block = c.getBlock(x, y + getWorld().minHeight(), z);
+                chunk.raiseFlag(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, () -> region.run(c.getWorld(), c.getX(), c.getZ(), () -> {
-                    mantle.iterateChunk(c.getX(), c.getZ(), Identifier.class, (x, y, z, v) -> {
+                }, c, 1));
+                chunk.raiseFlag(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);
                     });
-                })));
+                }, c, 1));
 
-                chunk.raiseFlag(MantleFlag.UPDATE, run(semaphore, () -> region.runDelayed(c.getWorld(), c.getX(), c.getZ(), () -> {
+                chunk.raiseFlag(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, 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, rng);
                         }
                     });
-                    mantle.deleteChunkSlice(c.getX(), c.getZ(), MatterUpdate.class);
+                    chunk.deleteSlices(MatterUpdate.class);
                     getMetrics().getUpdates().put(p.getMilliseconds());
-                }, RNG.r.i(1, 20))));
+                }, c, RNG.r.i(2, 20))); //Why is there a random delay here?
             });
 
             try {
@@ -367,33 +362,21 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
         }
     }
 
-    private static Runnable run(Semaphore semaphore, Runnable runnable) {
+    private static Runnable run(Semaphore semaphore, Runnable runnable, Chunk chunk, int delay) {
         return () -> {
             if (!semaphore.tryAcquire())
                 return;
-            try {
-                runnable.run();
-            } finally {
-                semaphore.release();
-            }
+
+            Iris.platform.getRegionScheduler().runDelayed(chunk.getWorld(), chunk.getX(), chunk.getZ(), () -> {
+                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
 

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/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 +26,33 @@ 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.math.Position2;
 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 {
+import static com.volmit.iris.util.parallel.StreamUtils.forEach;
+import static com.volmit.iris.util.parallel.StreamUtils.streamRadius;
+
+public interface EngineMantle {
     BlockData AIR = B.get("AIR");
 
     Mantle getMantle();
@@ -61,12 +63,19 @@ 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 +96,10 @@ 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 +108,12 @@ 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 +121,18 @@ 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();
     }
@@ -196,7 +182,7 @@ public interface EngineMantle extends IObjectPlacer {
 
     @ChunkCoordinates
     default void generateMatter(int x, int z, boolean multicore, ChunkContext context) {
-        if (!getEngine().getDimension().isUseMantle()) {
+        if (!getEngine().getDimension().isUseMantle() || getMantle().hasFlag(x, z, MantleFlag.PLANNED)) {
             return;
         }
 
@@ -206,30 +192,33 @@ public interface EngineMantle extends IObjectPlacer {
                 var pair = iterator.next();
                 int radius = pair.getB();
                 boolean last = !iterator.hasNext();
-                BurstExecutor burst = burst().burst(radius * 2 + 1);
-                burst.setMulticore(multicore);
+                forEach(streamRadius(x, z, radius),
+                        pos -> pair.getA()
+                                .stream()
+                                .filter(MantleComponent::isEnabled)
+                                .map(c -> new Pair<>(c, pos)),
+                        p -> {
+                            MantleComponent c = p.getA();
+                            Position2 pos = p.getB();
+                            int xx = pos.getX();
+                            int zz = pos.getZ();
+                            IrisContext.getOr(getEngine()).setChunkContext(context);
+                            generateMantleComponent(writer, xx, zz, c, writer.acquireChunk(xx, zz), context);
+                        },
+                        multicore ? burst() : null
+                );
 
-                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();
+                if (!last) continue;
+                forEach(streamRadius(x, z, radius),
+                        p -> writer.acquireChunk(x, z).flag(MantleFlag.PLANNED, true),
+                        multicore ? burst() : null
+                );
             }
         }
     }
 
     default void generateMantleComponent(MantleWriter writer, int x, int z, MantleComponent c, MantleChunk mc, ChunkContext context) {
-        mc.raiseFlag(c.getFlag(), () -> {
+        mc.raiseFlag(MantleFlag.PLANNED, c.getFlag(), () -> {
             if (c.isEnabled()) c.generateLayer(writer, x, z, context);
         });
     }
@@ -240,7 +229,12 @@ public interface EngineMantle extends IObjectPlacer {
             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

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

@@ -29,12 +29,16 @@ 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 lombok.Data;
 import org.bukkit.block.data.BlockData;
@@ -44,6 +48,8 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import static com.volmit.iris.engine.mantle.EngineMantle.AIR;
+
 @Data
 public class MantleWriter implements IObjectPlacer, AutoCloseable {
     private final EngineMantle engineMantle;
@@ -144,20 +150,41 @@ 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;
+        }
+        MantleChunk chunk = cachedChunks.computeIfAbsent(Cache.key(cx, cz), k -> mantle.getChunk(cx, cz).use());
+        if (chunk == null) Iris.error("Mantle Writer Accessed " + cx + "," + cz + " and came up null (and yet within bounds!)");
+        return chunk;
     }
 
     @Override
@@ -180,7 +207,10 @@ 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 +220,12 @@ 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 +245,7 @@ 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

@@ -30,7 +30,7 @@ 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;
@@ -40,14 +40,12 @@ 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, 2);
         cng = NoiseStyle.STATIC.create(new RNG(jigsaw()));
     }
 
@@ -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

@@ -25,9 +25,12 @@ 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;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.util.BlockVector;
 
@@ -53,28 +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;
 
@@ -122,8 +127,11 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
                 if (ny > height || nx > 15 || nx < 0 || ny > getEngine().getHeight() || ny < 0 || nz < 0 || nz > 15) {
                     continue;
                 }
+                if (!k.isReplaceBedrock() && data.get(nx, ny, nz).getMaterial() == Material.BEDROCK) {
+                    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/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<>();

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

@@ -87,6 +87,8 @@ public class IrisDepositGenerator {
     @MaxNumber(64)
     @Desc("Ore varience is how many different objects clumps iris will create")
     private int varience = 3;
+    @Desc("If set to true, this deposit will replace bedrock")
+    private boolean replaceBedrock = false;
 
     public IrisObject getClump(Engine engine, RNG rng, IrisData rdata) {
         KList<IrisObject> objects = this.objects.aquire(() ->

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

@@ -30,11 +30,12 @@ import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.engine.object.annotations.functions.ComponentFlagFunction;
 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.data.DataProvider;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.json.JSONObject;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.noise.CNG;
@@ -68,6 +69,7 @@ public class IrisDimension extends IrisRegistrant {
     private final transient AtomicCache<Double> rad = new AtomicCache<>();
     private final transient AtomicCache<Boolean> featuresUsed = new AtomicCache<>();
     private final transient AtomicCache<KList<Position2>> strongholdsCache = new AtomicCache<>();
+    private final transient AtomicCache<KMap<String, KList<String>>> cachedPreProcessors = new AtomicCache<>();
     @MinNumber(2)
     @Required
     @Desc("The human readable name of this dimension")
@@ -241,9 +243,22 @@ public class IrisDimension extends IrisRegistrant {
     @Desc("The Subterrain Fluid Layer Height")
     private int caveLavaHeight = 8;
     @RegistryListFunction(ComponentFlagFunction.class)
-    @ArrayType(type = MantleFlag.class)
+    @ArrayType(type = String.class)
     @Desc("Collection of disabled components")
     private KList<MantleFlag> disabledComponents = new KList<>();
+    @Desc("A list of globally applied pre-processors")
+    @ArrayType(type = IrisPreProcessors.class)
+    private KList<IrisPreProcessors> globalPreProcessors = new KList<>();
+    @Desc("A list of scripts executed on engine setup")
+    @RegistryListResource(IrisScript.class)
+    @ArrayType(type = String.class, min = 1)
+    private KList<String> engineScripts = new KList<>();
+    @Desc("A list of scripts executed on data setup")
+    @RegistryListResource(IrisScript.class)
+    @ArrayType(type = String.class, min = 1)
+    private KList<String> dataScripts = new KList<>();
+    @Desc("Use legacy rarity instead of modern one\nWARNING: Changing this may break expressions and image maps")
+    private boolean legacyRarity = true;
 
     public int getMaxHeight() {
         return (int) getDimensionHeight().getMax();
@@ -364,6 +379,17 @@ public class IrisDimension extends IrisRegistrant {
         return r;
     }
 
+    public KList<String> getPreProcessors(String type) {
+        return cachedPreProcessors.aquire(() -> {
+            KMap<String, KList<String>> preProcessors = new KMap<>();
+            for (var entry : globalPreProcessors) {
+                preProcessors.computeIfAbsent(entry.getType(), k -> new KList<>())
+                        .addAll(entry.getScripts());
+            }
+            return preProcessors;
+        }).get(type);
+    }
+
     public IrisGeneratorStyle getBiomeStyle(InferredType type) {
         switch (type) {
             case CAVE:

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

@@ -18,7 +18,10 @@
 
 package com.volmit.iris.engine.object;
 
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.engine.framework.EngineMode;
 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 lombok.AllArgsConstructor;
 import lombok.Data;
@@ -35,4 +38,19 @@ public class IrisDimensionMode {
     @Desc("The dimension type")
     private IrisDimensionModeType type = IrisDimensionModeType.OVERWORLD;
 
+    @RegistryListResource(IrisScript.class)
+    @Desc("The script to create the dimension mode instead of using provided types")
+    private String script;
+
+    public EngineMode create(Engine engine) {
+        if (script == null) {
+            return type.create(engine);
+        }
+        Object result = engine.getExecution().evaluate(script);
+        if (result instanceof EngineMode) {
+            return (EngineMode) result;
+        }
+
+        throw new IllegalStateException("The script '" + script + "' did not return an engine mode!");
+    }
 }

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

@@ -145,7 +145,6 @@ public class IrisEffect {
     @MinNumber(1)
     @Desc("The chance is 1 in CHANCE per interval")
     private int chance = 50;
-    @ArrayType(min = 1, type = IrisCommandRegistry.class)
     @Desc("Run commands, with configurable location parameters")
     private IrisCommandRegistry commandRegistry = null;
 

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

@@ -205,9 +205,8 @@ public class IrisEntity extends IrisRegistrant {
 
         if (!spawnerScript.isEmpty() && ee == null) {
             synchronized (this) {
-                gen.getExecution().getAPI().setLocation(at.clone());
                 try {
-                    ee = (Entity) gen.getExecution().evaluate(spawnerScript);
+                    ee = (Entity) gen.getExecution().spawnMob(spawnerScript, at.clone());
                 } catch (Throwable ex) {
                     Iris.error("You must return an Entity in your scripts to use entity scripts!");
                     ex.printStackTrace();
@@ -332,11 +331,8 @@ public class IrisEntity extends IrisRegistrant {
 
         if (postSpawnScripts.isNotEmpty()) {
             synchronized (this) {
-                gen.getExecution().getAPI().setLocation(at);
-                gen.getExecution().getAPI().setEntity(ee);
-
                 for (String i : postSpawnScripts) {
-                    gen.getExecution().execute(i);
+                    gen.getExecution().postSpawnMob(i, at, ee);
                 }
             }
         }

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

@@ -18,6 +18,7 @@
 
 package com.volmit.iris.engine.object;
 
+import com.volmit.iris.Iris;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.object.annotations.*;
@@ -25,6 +26,7 @@ import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.noise.CNG;
 import com.volmit.iris.util.noise.ExpressionNoise;
 import com.volmit.iris.util.noise.ImageNoise;
+import com.volmit.iris.util.noise.NoiseGenerator;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
@@ -56,6 +58,9 @@ public class IrisGeneratorStyle {
     private String expression = null;
     @Desc("Use an Image map instead of a generated value")
     private IrisImageMap imageMap = null;
+    @Desc("Instead of using the style property, use a custom noise generator to represent this style.")
+    @RegistryListResource(IrisScript.class)
+    private String script = null;
     @MinNumber(0.00001)
     @Desc("The Output multiplier. Only used if parent is fracture.")
     private double multiplier = 1;
@@ -93,40 +98,27 @@ public class IrisGeneratorStyle {
     public CNG createNoCache(RNG rng, IrisData data, boolean actuallyCached) {
         String cacheKey = hash() + "";
 
+        CNG cng = null;
         if (getExpression() != null) {
             IrisExpression e = data.getExpressionLoader().load(getExpression());
-
             if (e != null) {
-                CNG cng = new CNG(rng, new ExpressionNoise(rng, e), 1D, 1)
-                        .bake().scale(1D / zoom).pow(exponent).bake();
-                cng.setTrueFracturing(axialFracturing);
-
-                if (fracture != null) {
-                    cng.fractureWith(fracture.create(rng.nextParallelRNG(2934), data), fracture.getMultiplier());
-                }
-
-                if (cellularFrequency > 0) {
-                    return cng.cellularize(rng.nextParallelRNG(884466), cellularFrequency).scale(1D / cellularZoom).bake();
-                }
-
-                return cng;
+                cng = new CNG(rng, new ExpressionNoise(rng, e), 1D, 1).bake();
             }
         } else if (getImageMap() != null) {
-            CNG cng = new CNG(rng, new ImageNoise(data, getImageMap()), 1D, 1).bake().scale(1D / zoom).pow(exponent).bake();
-            cng.setTrueFracturing(axialFracturing);
-
-            if (fracture != null) {
-                cng.fractureWith(fracture.create(rng.nextParallelRNG(2934), data), fracture.getMultiplier());
+            cng = new CNG(rng, new ImageNoise(data, getImageMap()), 1D, 1).bake();
+        } else if (getScript() != null) {
+            Object result = data.getEnvironment().createNoise(getScript(), rng);
+            if (result == null) Iris.warn("Failed to create noise from script: " + getScript());
+            if (result instanceof NoiseGenerator generator) {
+                cng = new CNG(rng, generator, 1D, 1).bake();
             }
-
-            if (cellularFrequency > 0) {
-                return cng.cellularize(rng.nextParallelRNG(884466), cellularFrequency).scale(1D / cellularZoom).bake();
-            }
-
-            return cng;
         }
 
-        CNG cng = style.create(rng).bake().scale(1D / zoom).pow(exponent).bake();
+        if (cng == null) {
+            cng = style.create(rng).bake();
+        }
+
+        cng = cng.scale(1D / zoom).pow(exponent).bake();
         cng.setTrueFracturing(axialFracturing);
 
         if (fracture != null) {

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

@@ -50,8 +50,7 @@ public class IrisJigsawPiece extends IrisRegistrant {
     @Desc("The object this piece represents")
     private String object = "";
 
-    @Required
-    @ArrayType(type = IrisJigsawPieceConnector.class, min = 1)
+    @ArrayType(type = IrisJigsawPieceConnector.class)
     @Desc("The connectors this object contains")
     private KList<IrisJigsawPieceConnector> connectors = new KList<>();
 

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

@@ -514,9 +514,9 @@ public class IrisObject extends IrisRegistrant {
             max.setZ(Math.max(max.getZ(), i.getZ()));
         }
 
-        w = max.getBlockX() - min.getBlockX() + (min.getBlockX() <= 0 && max.getBlockX() >= 0 && min.getBlockX() != max.getBlockX() ? 1 : 0);
-        h = max.getBlockY() - min.getBlockY() + (min.getBlockY() <= 0 && max.getBlockY() >= 0 && min.getBlockY() != max.getBlockY() ? 1 : 0);
-        d = max.getBlockZ() - min.getBlockZ() + (min.getBlockZ() <= 0 && max.getBlockZ() >= 0 && min.getBlockZ() != max.getBlockZ() ? 1 : 0);
+        w = max.getBlockX() - min.getBlockX() + 1;
+        h = max.getBlockY() - min.getBlockY() + 1;
+        d = max.getBlockZ() - min.getBlockZ() + 1;
         center = new BlockVector(w / 2, h / 2, d / 2);
     }
 

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

@@ -0,0 +1,25 @@
+package com.volmit.iris.engine.object;
+
+import com.volmit.iris.engine.object.annotations.*;
+import com.volmit.iris.engine.object.annotations.functions.ResourceLoadersFunction;
+import com.volmit.iris.util.collection.KList;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Desc("Represents global preprocessors")
+public class IrisPreProcessors {
+    @Required
+    @Desc("The preprocessor type")
+    @RegistryListFunction(ResourceLoadersFunction.class)
+    private String type = "dimension";
+
+    @Required
+    @Desc("The preprocessor scripts")
+    @RegistryListResource(IrisScript.class)
+    @ArrayType(type = String.class, min = 1)
+    private KList<String> scripts = new KList<>();
+}

core/src/main/java/com/volmit/iris/engine/object/annotations/RegistryMapBlockState.java

@@ -0,0 +1,12 @@
+package com.volmit.iris.engine.object.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.FIELD)
+public @interface RegistryMapBlockState {
+    String value();
+}

core/src/main/java/com/volmit/iris/engine/object/annotations/functions/ComponentFlagFunction.java

@@ -6,7 +6,7 @@ import com.volmit.iris.engine.framework.ListFunction;
 import com.volmit.iris.engine.mantle.ComponentFlag;
 import com.volmit.iris.engine.mantle.MantleComponent;
 import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 
 import java.util.Objects;
 

core/src/main/java/com/volmit/iris/engine/object/annotations/functions/ResourceLoadersFunction.java

@@ -0,0 +1,28 @@
+package com.volmit.iris.engine.object.annotations.functions;
+
+import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.loader.ResourceLoader;
+import com.volmit.iris.engine.framework.ListFunction;
+import com.volmit.iris.util.collection.KList;
+
+public class ResourceLoadersFunction implements ListFunction<KList<String>> {
+    @Override
+    public String key() {
+        return "resource-loader";
+    }
+
+    @Override
+    public String fancyName() {
+        return "Resource Loader";
+    }
+
+    @Override
+    public KList<String> apply(IrisData data) {
+        return data.getLoaders()
+                .values()
+                .stream()
+                .filter(rl -> ResourceLoader.class.equals(rl.getClass()))
+                .map(ResourceLoader::getFolderName)
+                .collect(KList.collector());
+    }
+}

core/src/main/java/com/volmit/iris/engine/platform/BukkitChunkGenerator.java

@@ -19,6 +19,7 @@
 package com.volmit.iris.engine.platform;
 
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.IrisWorlds;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.nms.INMS;
@@ -34,7 +35,6 @@ import com.volmit.iris.engine.object.StudioMode;
 import com.volmit.iris.engine.platform.studio.StudioGenerator;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.data.IrisBiomeStorage;
-import com.volmit.iris.util.hunk.Hunk;
 import com.volmit.iris.util.hunk.view.BiomeGridHunkHolder;
 import com.volmit.iris.util.hunk.view.ChunkDataHunkHolder;
 import com.volmit.iris.util.io.ReactiveFolder;
@@ -45,8 +45,6 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.Setter;
 import org.bukkit.*;
-import org.bukkit.block.Biome;
-import org.bukkit.block.data.BlockData;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -205,7 +203,7 @@ public class BukkitChunkGenerator extends ChunkGenerator implements PlatformChun
             IrisBiomeStorage st = new IrisBiomeStorage();
             TerrainChunk tc = TerrainChunk.createUnsafe(world, st);
             this.world.bind(world);
-            getEngine().generate(x << 4, z << 4, tc, false);
+            getEngine().generate(x << 4, z << 4, tc, IrisSettings.get().getGenerator().useMulticore);
 
             Chunk c = Iris.platform.getChunkAtAsync(world, x, z)
                     .thenApply(d -> {
@@ -367,7 +365,7 @@ public class BukkitChunkGenerator extends ChunkGenerator implements PlatformChun
             } else {
                 ChunkDataHunkHolder blocks = new ChunkDataHunkHolder(tc);
                 BiomeGridHunkHolder biomes = new BiomeGridHunkHolder(tc, tc.getMinHeight(), tc.getMaxHeight());
-                getEngine().generate(x << 4, z << 4, blocks, biomes, false);
+                getEngine().generate(x << 4, z << 4, blocks, biomes, IrisSettings.get().getGenerator().useMulticore);
                 blocks.apply();
                 biomes.apply();
             }

core/src/main/java/com/volmit/iris/engine/scripting/EngineExecutionEnvironment.java

@@ -1,38 +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.scripting;
-
-import com.volmit.iris.engine.framework.Engine;
-import org.apache.bsf.BSFManager;
-
-public interface EngineExecutionEnvironment {
-    Engine getEngine();
-
-    IrisScriptingAPI getAPI();
-
-    BSFManager getManager();
-
-    void execute(String script);
-
-    Object evaluate(String script);
-
-    default void close() {
-
-    }
-}

core/src/main/java/com/volmit/iris/engine/scripting/IrisScriptingAPI.java

@@ -1,96 +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.scripting;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.core.loader.IrisData;
-import com.volmit.iris.core.loader.IrisRegistrant;
-import com.volmit.iris.engine.IrisComplex;
-import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.engine.object.IrisBiome;
-import com.volmit.iris.engine.object.IrisDimension;
-import com.volmit.iris.engine.object.IrisExpression;
-import lombok.Data;
-import lombok.EqualsAndHashCode;
-import lombok.ToString;
-import org.bukkit.Location;
-import org.bukkit.entity.Entity;
-
-@Data
-@EqualsAndHashCode(exclude = "engine")
-@ToString(exclude = "engine")
-public class IrisScriptingAPI {
-    private final Engine engine;
-    private IrisRegistrant preprocessorObject;
-    private double x = 0;
-    private double y = 0;
-    private double z = 0;
-    private Location location;
-    private Entity entity;
-
-    public IrisScriptingAPI(Engine engine) {
-        this.engine = engine;
-    }
-
-    public IrisData getData() {
-        return getEngine().getData();
-    }
-
-    public IrisComplex getComplex() {
-        return getEngine().getComplex();
-    }
-
-    public long getSeed() {
-        return getEngine().getSeedManager().getScript();
-    }
-
-    public double expression(String expressionName, double x, double y, double z) {
-        IrisExpression expression = getData().getExpressionLoader().load(expressionName);
-        return expression.evaluate(getComplex().getRng(), x, y, z);
-    }
-
-    public double expression(String expressionName, double x, double z) {
-        IrisExpression expression = getData().getExpressionLoader().load(expressionName);
-        return expression.evaluate(getComplex().getRng(), x, z);
-    }
-
-    public IrisBiome getBiomeAt(int x, int z) {
-        return getEngine().getSurfaceBiome(x, z);
-    }
-
-    public IrisDimension getDimension() {
-        return getEngine().getDimension();
-    }
-
-    public void info(String log) {
-        Iris.info(log);
-    }
-
-    public void debug(String log) {
-        Iris.debug(log);
-    }
-
-    public void warn(String log) {
-        Iris.warn(log);
-    }
-
-    public void error(String log) {
-        Iris.error(log);
-    }
-}

core/src/main/java/com/volmit/iris/util/context/IrisContext.java

@@ -29,7 +29,7 @@ import lombok.Data;
 @Data
 public class IrisContext {
     private static final KMap<Thread, IrisContext> context = new KMap<>();
-    private static ChronoLatch cl = new ChronoLatch(60000);
+    private static final ChronoLatch cl = new ChronoLatch(60000);
     private final Engine engine;
     private ChunkContext chunkContext;
 
@@ -53,9 +53,10 @@ public class IrisContext {
     }
 
     public static void touch(IrisContext c) {
-        synchronized (context) {
-            context.put(Thread.currentThread(), c);
+        context.put(Thread.currentThread(), c);
 
+        if (!cl.couldFlip()) return;
+        synchronized (cl) {
             if (cl.flip()) {
                 dereference();
             }
@@ -63,15 +64,13 @@ public class IrisContext {
     }
 
     public static void dereference() {
-        synchronized (context) {
-            for (Thread i : context.k()) {
-                if (!i.isAlive() || context.get(i).engine.isClosed()) {
-                    if (context.get(i).engine.isClosed()) {
-                        Iris.debug("Dereferenced Context<Engine> " + i.getName() + " " + i.getId());
-                    }
-
-                    context.remove(i);
+        for (Thread i : context.k()) {
+            if (!i.isAlive() || context.get(i).engine.isClosed()) {
+                if (context.get(i).engine.isClosed()) {
+                    Iris.debug("Dereferenced Context<Engine> " + i.getName() + " " + i.threadId());
                 }
+
+                context.remove(i);
             }
         }
     }

core/src/main/java/com/volmit/iris/util/data/B.java

@@ -22,6 +22,8 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.link.data.DataType;
+import com.volmit.iris.core.nms.INMS;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
@@ -35,10 +37,7 @@ import org.bukkit.block.data.Waterlogged;
 import org.bukkit.block.data.type.Leaves;
 import org.bukkit.block.data.type.PointedDripstone;
 
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Optional;
+import java.util.*;
 import java.util.stream.Collectors;
 
 import static org.bukkit.Material.*;
@@ -610,8 +609,7 @@ public class B {
     }
 
     public static boolean isUpdatable(BlockData mat) {
-        return isLit(mat)
-                || isStorage(mat)
+        return isStorage(mat)
                 || (mat instanceof PointedDripstone
                 && ((PointedDripstone) mat).getThickness().equals(PointedDripstone.Thickness.TIP));
     }
@@ -681,6 +679,28 @@ public class B {
         return bt.toArray(new String[0]);
     }
 
+    public synchronized static KMap<List<String>, List<BlockProperty>> getBlockStates() {
+        KMap<List<BlockProperty>, List<String>> flipped = new KMap<>();
+        INMS.get().getBlockProperties().forEach((k, v) -> {
+            flipped.computeIfAbsent(v, $ -> new KList<>()).add(k.getKey().toString());
+        });
+
+        var emptyStates = flipped.computeIfAbsent(new KList<>(0), $ -> new KList<>());
+        for (var pair : Iris.service(ExternalDataSVC.class).getAllBlockProperties()) {
+            if (pair.getB().isEmpty()) emptyStates.add(pair.getA().toString());
+            else flipped.computeIfAbsent(pair.getB(), $ -> new KList<>()).add(pair.getA().toString());
+        }
+        emptyStates.addAll(custom.k());
+
+        KMap<List<String>, List<BlockProperty>> states = new KMap<>();
+        flipped.forEach((k, v) -> {
+            var old = states.put(v, k);
+            if (old != null) Iris.error("Duplicate block state: " + v + " (" + old + " and " + k + ")");
+        });
+
+        return states;
+    }
+
     public static String[] getItemTypes() {
         KList<String> bt = new KList<>();
 

core/src/main/java/com/volmit/iris/util/data/KCache.java

@@ -21,10 +21,16 @@ package com.volmit.iris.util.data;
 import com.github.benmanes.caffeine.cache.CacheLoader;
 import com.github.benmanes.caffeine.cache.Caffeine;
 import com.github.benmanes.caffeine.cache.LoadingCache;
+import com.github.benmanes.caffeine.cache.Scheduler;
 import com.volmit.iris.engine.framework.MeteredCache;
 import com.volmit.iris.util.math.RollingSequence;
 
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
 public class KCache<K, V> implements MeteredCache {
+    public static final ExecutorService EXECUTOR = Executors.newVirtualThreadPerTaskExecutor();
+
     private final long max;
     private final LoadingCache<K, V> cache;
     private final boolean fastDump;
@@ -46,6 +52,8 @@ public class KCache<K, V> implements MeteredCache {
         return Caffeine
                 .newBuilder()
                 .maximumSize(max)
+                .scheduler(Scheduler.systemScheduler())
+                .executor(EXECUTOR)
                 .initialCapacity((int) (max))
                 .build((k) -> loader == null ? null : loader.load(k));
     }

core/src/main/java/com/volmit/iris/util/hunk/bits/DataBits.java

@@ -19,12 +19,12 @@
 package com.volmit.iris.util.hunk.bits;
 
 import com.volmit.iris.util.data.Varint;
+import lombok.Getter;
 import org.apache.commons.lang3.Validate;
 
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
-import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLongArray;
 import java.util.function.IntConsumer;
 
@@ -52,8 +52,10 @@ public class DataBits {
             0, 5};
 
     private final AtomicLongArray data;
+    @Getter
     private final int bits;
     private final long mask;
+    @Getter
     private final int size;
     private final int valuesPerLong;
     private final int divideMul;
@@ -149,18 +151,9 @@ public class DataBits {
         return data;
     }
 
-    public int getSize() {
-        return size;
-    }
-
-    public int getBits() {
-        return bits;
-    }
-
     public DataBits setBits(int newBits) {
         if (bits != newBits) {
             DataBits newData = new DataBits(newBits, size);
-            AtomicInteger c = new AtomicInteger(0);
 
             for (int i = 0; i < size; i++) {
                 newData.set(i, get(i));

core/src/main/java/com/volmit/iris/util/hunk/bits/DataContainer.java

@@ -19,78 +19,32 @@
 package com.volmit.iris.util.hunk.bits;
 
 import com.volmit.iris.util.data.Varint;
+import lombok.Synchronized;
 
 import java.io.*;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
 
 public class DataContainer<T> {
     protected static final int INITIAL_BITS = 3;
     protected static final int LINEAR_BITS_LIMIT = 4;
     protected static final int LINEAR_INITIAL_LENGTH = (int) Math.pow(2, LINEAR_BITS_LIMIT) + 1;
     protected static final int[] BIT = computeBitLimits();
-    private final AtomicReference<Palette<T>> palette;
-    private final AtomicReference<DataBits> data;
-    private final AtomicInteger bits;
+    private volatile Palette<T> palette;
+    private volatile DataBits data;
     private final int length;
     private final Writable<T> writer;
 
     public DataContainer(Writable<T> writer, int length) {
         this.writer = writer;
         this.length = length;
-        this.bits = new AtomicInteger(INITIAL_BITS);
-        this.data = new AtomicReference<>(new DataBits(INITIAL_BITS, length));
-        this.palette = new AtomicReference<>(newPalette(INITIAL_BITS));
+        this.data = new DataBits(INITIAL_BITS, length);
+        this.palette = newPalette(INITIAL_BITS);
     }
 
     public DataContainer(DataInputStream din, Writable<T> writer) throws IOException {
         this.writer = writer;
         this.length = Varint.readUnsignedVarInt(din);
-        this.palette = new AtomicReference<>(newPalette(din));
-        this.data = new AtomicReference<>(new DataBits(palette.get().bits(), length, din));
-        this.bits = new AtomicInteger(palette.get().bits());
-    }
-
-    public static String readBitString(DataInputStream din) throws IOException {
-        DataContainer<Character> c = new DataContainer<>(din, new Writable<Character>() {
-            @Override
-            public Character readNodeData(DataInputStream din) throws IOException {
-                return din.readChar();
-            }
-
-            @Override
-            public void writeNodeData(DataOutputStream dos, Character character) throws IOException {
-                dos.writeChar(character);
-            }
-        });
-
-        StringBuilder sb = new StringBuilder();
-
-        for (int i = c.size() - 1; i >= 0; i--) {
-            sb.setCharAt(i, c.get(i));
-        }
-
-        return sb.toString();
-    }
-
-    public static void writeBitString(String s, DataOutputStream dos) throws IOException {
-        DataContainer<Character> c = new DataContainer<>(new Writable<Character>() {
-            @Override
-            public Character readNodeData(DataInputStream din) throws IOException {
-                return din.readChar();
-            }
-
-            @Override
-            public void writeNodeData(DataOutputStream dos, Character character) throws IOException {
-                dos.writeChar(character);
-            }
-        }, s.length());
-
-        for (int i = 0; i < s.length(); i++) {
-            c.set(i, s.charAt(i));
-        }
-
-        c.writeDos(dos);
+        this.palette = newPalette(din);
+        this.data = new DataBits(palette.bits(), length, din);
     }
 
     private static int[] computeBitLimits() {
@@ -117,17 +71,9 @@ public class DataContainer<T> {
         return DataContainer.BIT.length - 1;
     }
 
-    public DataBits getData() {
-        return data.get();
-    }
-
-    public Palette<T> getPalette() {
-        return palette.get();
-    }
-
     public String toString() {
-        return "DataContainer <" + length + " x " + bits + " bits> -> Palette<" + palette.get().getClass().getSimpleName().replaceAll("\\QPalette\\E", "") + ">: " + palette.get().size() +
-                " " + data.get().toString() + " PalBit: " + palette.get().bits();
+        return "DataContainer <" + length + " x " + data.getBits() + " bits> -> Palette<" + palette.getClass().getSimpleName().replaceAll("\\QPalette\\E", "") + ">: " + palette.size() +
+                " " + data.toString() + " PalBit: " + palette.bits();
     }
 
     public byte[] write() throws IOException {
@@ -140,11 +86,12 @@ public class DataContainer<T> {
         writeDos(new DataOutputStream(out));
     }
 
+    @Synchronized
     public void writeDos(DataOutputStream dos) throws IOException {
         Varint.writeUnsignedVarInt(length, dos);
-        Varint.writeUnsignedVarInt(palette.get().size(), dos);
-        palette.get().iterateIO((data, __) -> writer.writeNodeData(dos, data));
-        data.get().write(dos);
+        Varint.writeUnsignedVarInt(palette.size(), dos);
+        palette.iterateIO((data, __) -> writer.writeNodeData(dos, data));
+        data.write(dos);
         dos.flush();
     }
 
@@ -163,55 +110,44 @@ public class DataContainer<T> {
         return new HashPalette<>();
     }
 
-    public void ensurePaletted(T t) {
-        if (palette.get().id(t) == -1) {
-            expandOne();
-        }
-    }
-
+    @Synchronized
     public void set(int position, T t) {
-        synchronized (this) {
-            int id = palette.get().id(t);
+        int id = palette.id(t);
 
-            if (id == -1) {
-                expandOne();
-                id = palette.get().add(t);
-            }
-
-            data.get().set(position, id);
+        if (id == -1) {
+            id = palette.add(t);
+            updateBits();
         }
+
+        data.set(position, id);
     }
 
-    private void expandOne() {
-        if (palette.get().size() + 1 >= BIT[bits.get()]) {
-            setBits(bits.get() + 1);
+    @Synchronized
+    @SuppressWarnings("NonAtomicOperationOnVolatileField")
+    private void updateBits() {
+        if (palette.bits() == data.getBits())
+            return;
+
+        int bits = palette.bits();
+        if (data.getBits() <= LINEAR_BITS_LIMIT != bits <= LINEAR_BITS_LIMIT) {
+            palette = newPalette(bits).from(palette);
         }
+
+        data = data.setBits(bits);
     }
 
+    @Synchronized
     public T get(int position) {
-        synchronized (this) {
-            int id = data.get().get(position) + 1;
+        int id = data.get(position);
 
-            if (id <= 0) {
-                return null;
-            }
-
-            return palette.get().get(id - 1);
+        if (id <= 0) {
+            return null;
         }
-    }
 
-    public void setBits(int bits) {
-        if (this.bits.get() != bits) {
-            if (this.bits.get() <= LINEAR_BITS_LIMIT != bits <= LINEAR_BITS_LIMIT) {
-                palette.set(newPalette(bits).from(palette.get()));
-            }
-
-            this.bits.set(bits);
-            data.set(data.get().setBits(bits));
-        }
+        return palette.get(id);
     }
 
     public int size() {
-        return getData().getSize();
+        return data.getSize();
     }
 }

core/src/main/java/com/volmit/iris/util/hunk/bits/HashPalette.java

@@ -21,26 +21,25 @@ package com.volmit.iris.util.hunk.bits;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.function.Consumer2;
 
+import java.io.DataInputStream;
+import java.io.IOException;
 import java.util.LinkedHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.locks.ReentrantLock;
 
 public class HashPalette<T> implements Palette<T> {
-    private final ReentrantLock lock = new ReentrantLock();
     private final LinkedHashMap<T, Integer> palette;
     private final KMap<Integer, T> lookup;
     private final AtomicInteger size;
 
     public HashPalette() {
-        this.size = new AtomicInteger(0);
+        this.size = new AtomicInteger(1);
         this.palette = new LinkedHashMap<>();
         this.lookup = new KMap<>();
-        add(null);
     }
 
     @Override
     public T get(int id) {
-        if (id < 0 || id >= size.get()) {
+        if (id <= 0 || id >= size.get()) {
             return null;
         }
 
@@ -49,17 +48,16 @@ public class HashPalette<T> implements Palette<T> {
 
     @Override
     public int add(T t) {
-        lock.lock();
-        try {
-            int index = size.getAndIncrement();
-            palette.put(t, index);
+        if (t == null) {
+            return 0;
+        }
 
-            if (t != null) {
+        synchronized (palette) {
+            return palette.computeIfAbsent(t, $ -> {
+                int index = size.getAndIncrement();
                 lookup.put(index, t);
-            }
-            return index;
-        } finally {
-            lock.unlock();
+                return index;
+            });
         }
     }
 
@@ -80,17 +78,33 @@ public class HashPalette<T> implements Palette<T> {
 
     @Override
     public void iterate(Consumer2<T, Integer> c) {
-        lock.lock();
-        try {
-            for (T i : palette.keySet()) {
-                if (i == null) {
-                    continue;
-                }
-
-                c.accept(i, id(i));
+        synchronized (palette) {
+            for (int i = 1; i < size.get(); i++) {
+                c.accept(lookup.get(i), i);
             }
-        } finally {
-            lock.unlock();
         }
     }
+
+    @Override
+    public Palette<T> from(Palette<T> oldPalette) {
+        oldPalette.iterate((t, i) -> {
+            if (t == null) throw new NullPointerException("Null palette entries are not allowed!");
+            lookup.put(i, t);
+            palette.put(t, i);
+        });
+        size.set(oldPalette.size() + 1);
+        return this;
+    }
+
+    @Override
+    public Palette<T> from(int size, Writable<T> writable, DataInputStream in) throws IOException {
+        for (int i = 1; i <= size; i++) {
+            T t = writable.readNodeData(in);
+            if (t == null) throw new NullPointerException("Null palette entries are not allowed!");
+            lookup.put(i, t);
+            palette.put(t, i);
+        }
+        this.size.set(size + 1);
+        return this;
+    }
 }

core/src/main/java/com/volmit/iris/util/hunk/bits/LinearPalette.java

@@ -19,19 +19,19 @@
 package com.volmit.iris.util.hunk.bits;
 
 import com.volmit.iris.util.function.Consumer2;
+import lombok.Synchronized;
 
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
 import java.util.concurrent.atomic.AtomicReferenceArray;
 
 public class LinearPalette<T> implements Palette<T> {
-    private final AtomicReference<AtomicReferenceArray<T>> palette;
+    private volatile AtomicReferenceArray<T> palette;
     private final AtomicInteger size;
 
     public LinearPalette(int initialSize) {
-        this.size = new AtomicInteger(0);
-        this.palette = new AtomicReference<>(new AtomicReferenceArray<>(initialSize));
-        palette.get().set(size.getAndIncrement(), null);
+        this.size = new AtomicInteger(1);
+        this.palette = new AtomicReferenceArray<>(initialSize);
+        palette.set(0, null);
     }
 
     @Override
@@ -40,26 +40,29 @@ public class LinearPalette<T> implements Palette<T> {
             return null;
         }
 
-        return palette.get().get(id);
+        return palette.get(id);
     }
 
     @Override
     public int add(T t) {
+        if (t == null) {
+            return 0;
+        }
         int index = size.getAndIncrement();
         grow(index + 1);
-        palette.get().set(index, t);
+        palette.set(index, t);
         return index;
     }
 
-    private void grow(int newLength) {
-        if (newLength > palette.get().length()) {
-            AtomicReferenceArray<T> a = new AtomicReferenceArray<>(newLength + size.get());
+    private synchronized void grow(int newLength) {
+        if (newLength > palette.length()) {
+            AtomicReferenceArray<T> a = new AtomicReferenceArray<>(newLength);
 
-            for (int i = 0; i < palette.get().length(); i++) {
-                a.set(i, palette.get().get(i));
+            for (int i = 0; i < palette.length(); i++) {
+                a.set(i, palette.get(i));
             }
 
-            palette.set(a);
+            palette = a;
         }
     }
 
@@ -69,8 +72,8 @@ public class LinearPalette<T> implements Palette<T> {
             return 0;
         }
 
-        for (int i = 1; i < size() + 1; i++) {
-            if (t.equals(palette.get().get(i))) {
+        for (int i = 1; i < size.get(); i++) {
+            if (t.equals(palette.get(i))) {
                 return i;
             }
         }
@@ -85,8 +88,8 @@ public class LinearPalette<T> implements Palette<T> {
 
     @Override
     public void iterate(Consumer2<T, Integer> c) {
-        for (int i = 1; i < size() + 1; i++) {
-            c.accept(palette.get().get(i), i);
+        for (int i = 1; i <= size(); i++) {
+            c.accept(palette.get(i), i);
         }
     }
 }

core/src/main/java/com/volmit/iris/util/io/CountingDataInputStream.java

@@ -44,14 +44,14 @@ public class CountingDataInputStream extends DataInputStream {
         }
 
         @Override
-        public int read(@NotNull byte[] b, int off, int len) throws IOException {
+        public int read(byte @NotNull [] b, int off, int len) throws IOException {
             int i = in.read(b, off, len);
-            count(i);
+            if (i != -1) count(i);
             return i;
         }
 
         private void count(int i) {
-            count += i;
+            count = Math.addExact(count, i);
             if (mark == -1)
                 return;
 
@@ -69,6 +69,12 @@ public class CountingDataInputStream extends DataInputStream {
         public synchronized void mark(int readlimit) {
             if (!in.markSupported()) return;
             in.mark(readlimit);
+            if (readlimit <= 0) {
+                mark = -1;
+                markLimit = 0;
+                return;
+            }
+
             mark = count;
             markLimit = readlimit;
         }

core/src/main/java/com/volmit/iris/util/io/IO.java

@@ -24,14 +24,26 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import com.volmit.iris.Iris;
 import com.volmit.iris.util.format.Form;
+import com.volmit.iris.util.scheduling.J;
 import org.apache.commons.io.function.IOConsumer;
 import org.apache.commons.io.function.IOFunction;
+import lombok.SneakyThrows;
+import org.dom4j.Document;
+import org.dom4j.DocumentHelper;
+import org.dom4j.io.OutputFormat;
+import org.dom4j.io.SAXReader;
+import org.dom4j.io.XMLWriter;
 
 import java.io.*;
+import java.nio.channels.Channels;
+import java.nio.channels.FileChannel;
+import java.nio.channels.FileLock;
+import java.nio.channels.OverlappingFileLockException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardCopyOption;
+import java.nio.file.StandardOpenOption;
 import java.security.DigestInputStream;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -1663,18 +1675,47 @@ public class IO {
         return (ch2 == -1);
     }
 
+    @SneakyThrows
+    public static void write(File file, Document doc) {
+        file.getParentFile().mkdirs();
+        try (var writer = new FileWriter(file)) {
+            new XMLWriter(writer, OutputFormat.createPrettyPrint())
+                    .write(doc);
+        }
+    }
+
+    @SneakyThrows
+    public static Document read(File file) {
+        if (file.exists()) return new SAXReader().read(file);
+        var doc = DocumentHelper.createDocument();
+        doc.addElement("project")
+                .addAttribute("version", "4");
+        return doc;
+    }
+
     public static <T extends Closeable> void write(File file, IOFunction<FileOutputStream, T> builder, IOConsumer<T> action) throws IOException {
         File dir = new File(file.getParentFile(), ".tmp");
         dir.mkdirs();
         dir.deleteOnExit();
         File temp = File.createTempFile("iris",".bin", dir);
-        try {
+        try (var target = FileChannel.open(file.toPath(), StandardOpenOption.READ, StandardOpenOption.WRITE, StandardOpenOption.CREATE, StandardOpenOption.SYNC)) {
+            lock(target);
+
             try (var out = builder.apply(new FileOutputStream(temp))) {
                 action.accept(out);
             }
-            Files.move(temp.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING);
+            Files.copy(temp.toPath(), Channels.newOutputStream(target));
         } finally {
             temp.delete();
         }
     }
+
+    public static FileLock lock(FileChannel channel) throws IOException {
+        while (true) {
+            try {
+                return channel.lock();
+            } catch (OverlappingFileLockException e) {}
+            J.sleep(1);
+        }
+    }
 }

core/src/main/java/com/volmit/iris/util/io/JarScanner.java

@@ -83,6 +83,28 @@ public class JarScanner {
         zip.close();
     }
 
+    public void scanAll() throws IOException {
+        classes.clear();
+        FileInputStream fin = new FileInputStream(jar);
+        ZipInputStream zip = new ZipInputStream(fin);
+        for (ZipEntry entry = zip.getNextEntry(); entry != null; entry = zip.getNextEntry()) {
+            if (!entry.isDirectory() && entry.getName().endsWith(".class")) {
+                String c = entry.getName().replaceAll("/", ".").replace(".class", "");
+
+                if (c.startsWith(superPackage)) {
+                    try {
+                        Class<?> clazz = Class.forName(c);
+                        classes.add(clazz);
+                    } catch (Throwable e) {
+                        if (!report) continue;
+                        Iris.reportError(e);
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }
+    }
+
     /**
      * Get the scanned clases
      *

core/src/main/java/com/volmit/iris/util/mantle/Mantle.java

@@ -35,6 +35,8 @@ import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.function.Consumer4;
 import com.volmit.iris.util.io.IO;
+import com.volmit.iris.util.mantle.io.IOWorker;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.matter.Matter;
 import com.volmit.iris.util.matter.MatterSlice;
@@ -44,9 +46,7 @@ import com.volmit.iris.util.parallel.MultiBurst;
 import lombok.Getter;
 import org.bukkit.Chunk;
 
-import java.io.EOFException;
-import java.io.File;
-import java.io.IOException;
+import java.io.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -69,6 +69,7 @@ public class Mantle {
     private final MultiBurst ioBurst;
     private final Semaphore ioTrim;
     private final Semaphore ioTectonicUnload;
+    private final IOWorker worker;
     private final AtomicDouble adjustedIdleDuration;
     private final KSet<Long> toUnload;
 
@@ -88,9 +89,10 @@ public class Mantle {
         this.ioTectonicUnload = new Semaphore(LOCK_SIZE, true);
         loadedRegions = new KMap<>();
         lastUse = new KMap<>();
-        ioBurst = MultiBurst.burst;
+        ioBurst = MultiBurst.ioBurst;
         adjustedIdleDuration = new AtomicDouble(0);
         toUnload = new KSet<>();
+        worker = new IOWorker(dataFolder, worldHeight);
         Iris.debug("Opened The Mantle " + C.DARK_AQUA + dataFolder.getAbsolutePath());
     }
 
@@ -379,7 +381,7 @@ public class Mantle {
         loadedRegions.forEach((i, plate) -> b.queue(() -> {
             try {
                 plate.close();
-                plate.write(fileForRegion(dataFolder, i, false));
+                worker.write(fileForRegion(dataFolder, i, false).getName(), plate);
                 oldFileForRegion(dataFolder, i).delete();
             } catch (Throwable e) {
                 Iris.error("Failed to write Tectonic Plate " + C.DARK_GREEN + Cache.keyX(i) + " " + Cache.keyZ(i));
@@ -394,6 +396,11 @@ public class Mantle {
         } catch (Throwable e) {
             Iris.reportError(e);
         }
+        try {
+            worker.close();
+        } catch (Throwable e) {
+            Iris.reportError(e);
+        }
 
         IO.delete(new File(dataFolder, ".tmp"));
         Iris.debug("The Mantle has Closed " + C.DARK_AQUA + dataFolder.getAbsolutePath());
@@ -462,8 +469,8 @@ public class Mantle {
 
         ioTectonicUnload.acquireUninterruptibly(LOCK_SIZE);
         try {
+            double unloadTime = M.ms() - adjustedIdleDuration.get();
             for (long id : toUnload) {
-                double unloadTime = M.ms() - adjustedIdleDuration.get();
                 burst.queue(() -> hyperLock.withLong(id, () -> {
                     TectonicPlate m = loadedRegions.get(id);
                     if (m == null) {
@@ -484,14 +491,15 @@ public class Mantle {
                     }
 
                     try {
-                        m.write(fileForRegion(dataFolder, id, false));
+                        m.close();
+                        worker.write(fileForRegion(dataFolder, id, false).getName(), m);
                         oldFileForRegion(dataFolder, id).delete();
                         loadedRegions.remove(id, m);
                         lastUse.remove(id);
                         toUnload.remove(id);
                         i.incrementAndGet();
                         Iris.debug("Unloaded Tectonic Plate " + C.DARK_GREEN + Cache.keyX(id) + " " + Cache.keyZ(id));
-                    } catch (IOException e) {
+                    } catch (IOException | InterruptedException e) {
                         Iris.reportError(e);
                     }
                 }));
@@ -524,19 +532,17 @@ public class Mantle {
             if (!trim || !unload) {
                 try {
                     return getSafe(x, z).get();
-                } catch (InterruptedException e) {
-                    e.printStackTrace();
-                } catch (ExecutionException e) {
+                } catch (Throwable e) {
                     e.printStackTrace();
                 }
-            }
+            } else {
+                Long key = key(x, z);
+                TectonicPlate p = loadedRegions.get(key);
 
-            Long key = key(x, z);
-            TectonicPlate p = loadedRegions.get(key);
-
-            if (p != null && !p.isClosed()) {
-                use(key);
-                return p;
+                if (p != null && !p.isClosed()) {
+                    use(key);
+                    return p;
+                }
             }
 
             try {
@@ -547,6 +553,9 @@ public class Mantle {
             } catch (ExecutionException e) {
                 Iris.warn("Failed to get Tectonic Plate " + x + " " + z + " Due to a thread execution exception (engine close?)");
                 Iris.reportError(e);
+            } catch (Throwable e) {
+                Iris.warn("Failed to get Tectonic Plate " + x + " " + z + " Due to a unknown exception");
+                Iris.reportError(e);
             }
         } finally {
             if (trim) ioTrim.release();
@@ -570,17 +579,17 @@ public class Mantle {
         return ioBurst.completeValue(() -> hyperLock.withResult(x, z, () -> {
             Long k = key(x, z);
             use(k);
-            TectonicPlate region = loadedRegions.get(k);
-
-            if (region != null && !region.isClosed()) {
-                return region;
+            TectonicPlate r = loadedRegions.get(k);
+            if (r != null && !r.isClosed()) {
+                return r;
             }
 
+            TectonicPlate region;
             File file = fileForRegion(dataFolder, x, z);
             if (file.exists()) {
                 try {
                     Iris.addPanic("reading.tectonic-plate", file.getAbsolutePath());
-                    region = TectonicPlate.read(worldHeight, file, file.getName().startsWith("pv."));
+                    region = worker.read(file.getName());
 
                     if (region.getX() != x || region.getZ() != z) {
                         Iris.warn("Loaded Tectonic Plate " + x + "," + z + " but read it as " + region.getX() + "," + region.getZ() + "... Assuming " + x + "," + z);

core/src/main/java/com/volmit/iris/util/mantle/MantleChunk.java

@@ -21,20 +21,23 @@ package com.volmit.iris.util.mantle;
 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.ChunkRelativeBlockCoordinates;
 import com.volmit.iris.util.function.Consumer4;
 import com.volmit.iris.util.io.CountingDataInputStream;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.matter.IrisMatter;
 import com.volmit.iris.util.matter.Matter;
 import com.volmit.iris.util.matter.MatterSlice;
+import com.volmit.iris.util.parallel.AtomicBooleanArray;
 import lombok.Getter;
 import lombok.SneakyThrows;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.ByteArrayOutputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicIntegerArray;
 import java.util.concurrent.atomic.AtomicReferenceArray;
 
 /**
@@ -46,7 +49,8 @@ public class MantleChunk {
     private final int x;
     @Getter
     private final int z;
-    private final AtomicIntegerArray flags;
+    private final AtomicBooleanArray flags;
+    private final Object[] flagLocks;
     private final AtomicReferenceArray<Matter> sections;
     private final Semaphore ref = new Semaphore(Integer.MAX_VALUE, true);
     private final AtomicBoolean closed = new AtomicBoolean(false);
@@ -59,12 +63,13 @@ public class MantleChunk {
     @ChunkCoordinates
     public MantleChunk(int sectionHeight, int x, int z) {
         sections = new AtomicReferenceArray<>(sectionHeight);
-        flags = new AtomicIntegerArray(MantleFlag.values().length);
+        flags = new AtomicBooleanArray(MantleFlag.MAX_ORDINAL + 1);
+        flagLocks = new Object[flags.length()];
         this.x = x;
         this.z = z;
 
         for (int i = 0; i < flags.length(); i++) {
-            flags.set(i, 0);
+            flagLocks[i] = new Object();
         }
     }
 
@@ -79,10 +84,19 @@ public class MantleChunk {
     public MantleChunk(int version, int sectionHeight, CountingDataInputStream din) throws IOException {
         this(sectionHeight, din.readByte(), din.readByte());
         int s = din.readByte();
-        int l = version < 0 ? flags.length() : Varint.readUnsignedVarInt(din);
+        int l = version < 0 ? MantleFlag.RESERVED_FLAGS : Varint.readUnsignedVarInt(din);
 
-        for (int i = 0; i < flags.length() && i < l; i++) {
-            flags.set(i, din.readBoolean() ? 1 : 0);
+        if (version >= 1) {
+            for (int i = 0; i < l;) {
+                byte f = din.readByte();
+                for (int j = 0; j < Byte.SIZE && i < flags.length(); j++, i++) {
+                    flags.set(i, (f & (1 << j)) != 0);
+                }
+            }
+        } else {
+            for (int i = 0; i < flags.length() && i < l; i++) {
+                flags.set(i, din.readBoolean());
+            }
         }
 
         for (int i = 0; i < s; i++) {
@@ -109,6 +123,9 @@ public class MantleChunk {
                 din.skipTo(end);
                 TectonicPlate.addError();
             }
+            if (din.count() != start + size) {
+                throw new IOException("Chunk section read size mismatch!");
+            }
         }
     }
 
@@ -137,21 +154,35 @@ public class MantleChunk {
         ref.release();
     }
 
+    public void copyFlags(MantleChunk chunk) {
+        use();
+        for (int i = 0; i < flags.length(); i++) {
+            flags.set(i, chunk.flags.get(i));
+        }
+        release();
+    }
+
     public void flag(MantleFlag flag, boolean f) {
         if (closed.get()) throw new IllegalStateException("Chunk is closed!");
-        flags.set(flag.ordinal(), f ? 1 : 0);
+        flags.set(flag.ordinal(), f);
     }
 
     public void raiseFlag(MantleFlag flag, Runnable r) {
-        synchronized (this) {
-            if (!isFlagged(flag)) flag(flag, true);
-            else return;
+        raiseFlag(null, flag, r);
+    }
+
+    public void raiseFlag(@Nullable MantleFlag guard, MantleFlag flag, Runnable r) {
+        if (closed.get()) throw new IllegalStateException("Chunk is closed!");
+        if (guard != null && isFlagged(guard)) return;
+        synchronized (flagLocks[flag.ordinal()]) {
+            if (flags.compareAndSet(flag.ordinal(), false, true)) {
+                r.run();
+            }
         }
-        r.run();
     }
 
     public boolean isFlagged(MantleFlag flag) {
-        return flags.get(flag.ordinal()) == 1;
+        return flags.get(flag.ordinal());
     }
 
     /**
@@ -176,6 +207,15 @@ public class MantleChunk {
         return sections.get(section);
     }
 
+    @Nullable
+    @ChunkRelativeBlockCoordinates
+    @SuppressWarnings("unchecked")
+    public <T> T get(int x, int y, int z, Class<T> type) {
+        return (T) getOrCreate(y >> 4)
+                .slice(type)
+                .get(x & 15, y & 15, z & 15);
+    }
+
     /**
      * Clear all matter from this chunk
      */
@@ -207,7 +247,9 @@ public class MantleChunk {
 
         if (matter == null) {
             matter = new IrisMatter(16, 16, 16);
-            sections.set(section, matter);
+            if (!sections.compareAndSet(section, null, matter)) {
+                matter = get(section);
+            }
         }
 
         return matter;
@@ -224,10 +266,15 @@ public class MantleChunk {
         dos.writeByte(x);
         dos.writeByte(z);
         dos.writeByte(sections.length());
-        Varint.writeUnsignedVarInt(flags.length(), dos);
+        Varint.writeUnsignedVarInt(Math.ceilDiv(flags.length(), Byte.SIZE), dos);
 
-        for (int i = 0; i < flags.length(); i++) {
-            dos.writeBoolean(flags.get(i) == 1);
+        int count = flags.length();
+        for (int i = 0; i < count;) {
+            int f = 0;
+            for (int j = 0; j < Byte.SIZE && i < flags.length(); j++, i++) {
+                f |= flags.get(i) ? (1 << j) : 0;
+            }
+            dos.write(f);
         }
 
         var bytes = new ByteArrayOutputStream(8192);

core/src/main/java/com/volmit/iris/util/mantle/MantleFlag.java

@@ -1,44 +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.util.mantle;
-
-import com.volmit.iris.util.collection.StateList;
-
-public enum MantleFlag {
-    OBJECT,
-    UPDATE,
-    JIGSAW,
-    FEATURE,
-    INITIAL_SPAWNED,
-    REAL,
-    CARVED,
-    FLUID_BODIES,
-    INITIAL_SPAWNED_MARKER,
-    CLEANED,
-    PLANNED,
-    ETCHED,
-    TILE,
-    CUSTOM,
-    DISCOVERED,
-    CUSTOM_ACTIVE;
-
-    static StateList getStateList() {
-        return new StateList(MantleFlag.values());
-    }
-}

core/src/main/java/com/volmit/iris/util/mantle/TectonicPlate.java

@@ -19,26 +19,14 @@
 package com.volmit.iris.util.mantle;
 
 import com.volmit.iris.Iris;
-import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.engine.EnginePanic;
 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.util.data.Varint;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
-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.scheduling.PrecisionStopwatch;
 import lombok.Getter;
-import net.jpountz.lz4.LZ4BlockInputStream;
-import net.jpountz.lz4.LZ4BlockOutputStream;
 
 import java.io.*;
-import java.nio.channels.Channels;
-import java.nio.channels.FileChannel;
-import java.nio.file.Files;
-import java.nio.file.StandardCopyOption;
-import java.nio.file.StandardOpenOption;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReferenceArray;
 
@@ -49,7 +37,7 @@ import java.util.concurrent.atomic.AtomicReferenceArray;
 public class TectonicPlate {
     private static final ThreadLocal<Boolean> errors = ThreadLocal.withInitial(() -> false);
     public static final int MISSING = -1;
-    public static final int CURRENT = 0;
+    public static final int CURRENT = 1;
 
     private final int sectionHeight;
     private final AtomicReferenceArray<MantleChunk> chunks;
@@ -111,31 +99,6 @@ public class TectonicPlate {
         }
     }
 
-    public static TectonicPlate read(int worldHeight, File file, boolean versioned) throws IOException {
-        try (FileChannel fc = FileChannel.open(file.toPath(), StandardOpenOption.READ, StandardOpenOption.WRITE, StandardOpenOption.SYNC)) {
-            fc.lock();
-
-            InputStream fin = Channels.newInputStream(fc);
-            LZ4BlockInputStream lz4 = new LZ4BlockInputStream(fin);
-            BufferedInputStream bis = new BufferedInputStream(lz4);
-            try (CountingDataInputStream din = CountingDataInputStream.wrap(bis)) {
-                return new TectonicPlate(worldHeight, din, versioned);
-            }
-        } finally {
-            if (IrisSettings.get().getGeneral().isDumpMantleOnError() && errors.get()) {
-                File dump = Iris.instance.getDataFolder("dump", file.getName() + ".bin");
-                try (FileChannel fc = FileChannel.open(file.toPath(), StandardOpenOption.READ, StandardOpenOption.WRITE, StandardOpenOption.SYNC)) {
-                    fc.lock();
-
-                    InputStream fin = Channels.newInputStream(fc);
-                    LZ4BlockInputStream lz4 = new LZ4BlockInputStream(fin);
-                    Files.copy(lz4, dump.toPath(), StandardCopyOption.REPLACE_EXISTING);
-                }
-            }
-            errors.remove();
-        }
-    }
-
     public boolean inUse() {
         for (int i = 0; i < chunks.length(); i++) {
             MantleChunk chunk = chunks.get(i);
@@ -223,18 +186,6 @@ public class TectonicPlate {
         return Cache.to1D(x, z, 0, 32, 32);
     }
 
-    /**
-     * Write this tectonic plate to file
-     *
-     * @param file the file to writeNodeData it to
-     * @throws IOException shit happens
-     */
-    public void write(File file) throws IOException {
-        PrecisionStopwatch p = PrecisionStopwatch.start();
-        IO.write(file, out -> new DataOutputStream(new LZ4BlockOutputStream(out)), this::write);
-        Iris.debug("Saved Tectonic Plate " + C.DARK_GREEN + file.getName() + C.RED + " in " + Form.duration(p.getMilliseconds(), 2));
-    }
-
     /**
      * Write this tectonic plate to a data stream
      *
@@ -268,4 +219,12 @@ public class TectonicPlate {
     public static void addError() {
         errors.set(true);
     }
+
+    public static boolean hasError() {
+        try {
+            return errors.get();
+        } finally {
+            errors.remove();
+        }
+    }
 }

core/src/main/java/com/volmit/iris/util/mantle/flag/CustomFlag.java

@@ -0,0 +1,28 @@
+package com.volmit.iris.util.mantle.flag;
+
+import org.jetbrains.annotations.NotNull;
+
+record CustomFlag(String name, int ordinal) implements MantleFlag {
+
+    @Override
+    public @NotNull String toString() {
+        return name;
+    }
+
+    @Override
+    public boolean isCustom() {
+        return false;
+    }
+
+    @Override
+    public boolean equals(Object object) {
+        if (!(object instanceof CustomFlag that))
+            return false;
+        return ordinal == that.ordinal;
+    }
+
+    @Override
+    public int hashCode() {
+        return ordinal;
+    }
+}

core/src/main/java/com/volmit/iris/util/mantle/flag/MantleFlag.java

@@ -0,0 +1,57 @@
+/*
+ * 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.util.mantle.flag;
+
+import org.jetbrains.annotations.Contract;
+
+public sealed interface MantleFlag permits CustomFlag, ReservedFlag {
+    int MIN_ORDINAL = 64;
+    int MAX_ORDINAL = 255;
+
+    MantleFlag OBJECT = ReservedFlag.OBJECT;
+    MantleFlag UPDATE = ReservedFlag.UPDATE;
+    MantleFlag JIGSAW = ReservedFlag.JIGSAW;
+    MantleFlag FEATURE = ReservedFlag.FEATURE;
+    MantleFlag INITIAL_SPAWNED = ReservedFlag.INITIAL_SPAWNED;
+    MantleFlag REAL = ReservedFlag.REAL;
+    MantleFlag CARVED = ReservedFlag.CARVED;
+    MantleFlag FLUID_BODIES = ReservedFlag.FLUID_BODIES;
+    MantleFlag INITIAL_SPAWNED_MARKER = ReservedFlag.INITIAL_SPAWNED_MARKER;
+    MantleFlag CLEANED = ReservedFlag.CLEANED;
+    MantleFlag PLANNED = ReservedFlag.PLANNED;
+    MantleFlag ETCHED = ReservedFlag.ETCHED;
+    MantleFlag TILE = ReservedFlag.TILE;
+    MantleFlag CUSTOM = ReservedFlag.CUSTOM;
+    MantleFlag DISCOVERED = ReservedFlag.DISCOVERED;
+    MantleFlag CUSTOM_ACTIVE = ReservedFlag.CUSTOM_ACTIVE;
+
+    int RESERVED_FLAGS = ReservedFlag.values().length;
+
+    String name();
+    int ordinal();
+
+    boolean isCustom();
+
+    @Contract(value = "_ -> new", pure = true)
+    static MantleFlag of(int ordinal) {
+        if (ordinal < MIN_ORDINAL || ordinal > MAX_ORDINAL)
+            throw new IllegalArgumentException("Ordinal must be between " + MIN_ORDINAL + " and " + MAX_ORDINAL);
+        return new CustomFlag("CUSTOM:"+ordinal, ordinal);
+    }
+}

core/src/main/java/com/volmit/iris/util/mantle/flag/MantleFlagAdapter.java

@@ -0,0 +1,31 @@
+package com.volmit.iris.util.mantle.flag;
+
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+
+import java.io.IOException;
+
+public class MantleFlagAdapter extends TypeAdapter<MantleFlag> {
+    private static final String CUSTOM = "CUSTOM:";
+    private static final int CUSTOM_LENGTH = CUSTOM.length();
+
+    @Override
+    public void write(JsonWriter out, MantleFlag value) throws IOException {
+        if (value == null) out.nullValue();
+        else out.value(value.toString());
+    }
+
+    @Override
+    public MantleFlag read(JsonReader in) throws IOException {
+        if (in.peek() == JsonToken.NULL) {
+            in.nextNull();
+            return null;
+        }
+        String s = in.nextString();
+        if (s.startsWith(CUSTOM) && s.length() > CUSTOM_LENGTH)
+            return MantleFlag.of(Integer.parseInt(s.substring(CUSTOM_LENGTH)));
+        return ReservedFlag.valueOf(s);
+    }
+}

core/src/main/java/com/volmit/iris/util/mantle/flag/ReservedFlag.java

@@ -0,0 +1,25 @@
+package com.volmit.iris.util.mantle.flag;
+
+public enum ReservedFlag implements MantleFlag {
+    OBJECT,
+    UPDATE,
+    JIGSAW,
+    FEATURE,
+    INITIAL_SPAWNED,
+    REAL,
+    CARVED,
+    FLUID_BODIES,
+    INITIAL_SPAWNED_MARKER,
+    CLEANED,
+    PLANNED,
+    ETCHED,
+    TILE,
+    CUSTOM,
+    DISCOVERED,
+    CUSTOM_ACTIVE;
+
+    @Override
+    public boolean isCustom() {
+        return false;
+    }
+}

core/src/main/java/com/volmit/iris/util/mantle/io/DelegateStream.java

@@ -0,0 +1,123 @@
+/*
+ * 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.util.mantle.io;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.channels.Channels;
+import java.nio.channels.FileChannel;
+
+public class DelegateStream {
+
+    public static InputStream read(FileChannel channel) throws IOException {
+        channel.position(0);
+        return new Input(channel);
+    }
+
+    public static OutputStream write(FileChannel channel) throws IOException {
+        channel.position(0);
+        return new Output(channel);
+    }
+
+    private static class Input extends InputStream {
+        private final InputStream delegate;
+
+        private Input(FileChannel channel) {
+            this.delegate = Channels.newInputStream(channel);
+        }
+
+        @Override
+        public int available() throws IOException {
+            return delegate.available();
+        }
+
+        @Override
+        public int read() throws IOException {
+            return delegate.read();
+        }
+
+        @Override
+        public int read(byte @NotNull [] b, int off, int len) throws IOException {
+            return delegate.read(b, off, len);
+        }
+
+        @Override
+        public byte @NotNull [] readAllBytes() throws IOException {
+            return delegate.readAllBytes();
+        }
+
+        @Override
+        public int readNBytes(byte[] b, int off, int len) throws IOException {
+            return delegate.readNBytes(b, off, len);
+        }
+
+        @Override
+        public byte @NotNull [] readNBytes(int len) throws IOException {
+            return delegate.readNBytes(len);
+        }
+
+        @Override
+        public long skip(long n) throws IOException {
+            return delegate.skip(n);
+        }
+
+        @Override
+        public void skipNBytes(long n) throws IOException {
+            delegate.skipNBytes(n);
+        }
+
+        @Override
+        public long transferTo(OutputStream out) throws IOException {
+            return delegate.transferTo(out);
+        }
+    }
+
+    private static class Output extends OutputStream {
+        private final FileChannel channel;
+        private final OutputStream delegate;
+
+        private Output(FileChannel channel) {
+            this.channel = channel;
+            this.delegate = Channels.newOutputStream(channel);
+        }
+
+        @Override
+        public void write(int b) throws IOException {
+            delegate.write(b);
+        }
+
+        @Override
+        public void write(byte @NotNull [] b, int off, int len) throws IOException {
+            delegate.write(b, off, len);
+        }
+
+        @Override
+        public void flush() throws IOException {
+            channel.truncate(channel.position());
+        }
+
+        @Override
+        public void close() throws IOException {
+            channel.force(true);
+        }
+    }
+}

core/src/main/java/com/volmit/iris/util/mantle/io/Holder.java

@@ -0,0 +1,57 @@
+/*
+ * 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.util.mantle.io;
+
+import com.volmit.iris.util.io.IO;
+
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+import java.util.concurrent.Semaphore;
+
+class Holder {
+    private final FileChannel channel;
+    private final Semaphore semaphore = new Semaphore(1);
+    private volatile boolean closed;
+
+    Holder(FileChannel channel) throws IOException {
+        this.channel = channel;
+        IO.lock(channel);
+    }
+
+    SynchronizedChannel acquire() {
+        semaphore.acquireUninterruptibly();
+        if (closed) {
+            semaphore.release();
+            return null;
+        }
+
+        return new SynchronizedChannel(channel, semaphore);
+    }
+
+    void close() throws IOException {
+        semaphore.acquireUninterruptibly();
+        try {
+            if (closed) return;
+            closed = true;
+            channel.close();
+        } finally {
+            semaphore.release();
+        }
+    }
+}

core/src/main/java/com/volmit/iris/util/mantle/io/IOWorker.java

@@ -0,0 +1,130 @@
+/*
+ * 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.util.mantle.io;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.core.IrisSettings;
+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.mantle.TectonicPlate;
+import com.volmit.iris.util.scheduling.PrecisionStopwatch;
+import it.unimi.dsi.fastutil.objects.Object2ObjectLinkedOpenHashMap;
+import net.jpountz.lz4.LZ4BlockInputStream;
+import net.jpountz.lz4.LZ4BlockOutputStream;
+
+import java.io.*;
+import java.nio.channels.FileChannel;
+import java.nio.file.*;
+import java.util.Objects;
+import java.util.Set;
+
+public class IOWorker {
+    private static final Set<OpenOption> OPTIONS = Set.of(StandardOpenOption.READ, StandardOpenOption.WRITE, StandardOpenOption.CREATE, StandardOpenOption.SYNC);
+    private static final int MAX_CACHE_SIZE = 128;
+
+    private final Path root;
+    private final File tmp;
+    private final int worldHeight;
+
+    private final Object2ObjectLinkedOpenHashMap<String, Holder> cache = new Object2ObjectLinkedOpenHashMap<>();
+
+    public IOWorker(File root, int worldHeight) {
+        this.root = root.toPath();
+        this.tmp = new File(root, ".tmp");
+        this.worldHeight = worldHeight;
+    }
+
+    public TectonicPlate read(final String name) throws IOException {
+        PrecisionStopwatch p = PrecisionStopwatch.start();
+        try (var channel = getChannel(name)) {
+            var raw = channel.read();
+            var lz4 = new LZ4BlockInputStream(raw);
+            var buffered = new BufferedInputStream(lz4);
+            try (var in = CountingDataInputStream.wrap(buffered)) {
+                return new TectonicPlate(worldHeight, in, name.startsWith("pv."));
+            } finally {
+                if (TectonicPlate.hasError() && IrisSettings.get().getGeneral().isDumpMantleOnError()) {
+                    File dump = Iris.instance.getDataFolder("dump", name + ".bin");
+                    Files.copy(new LZ4BlockInputStream(channel.read()), dump.toPath(), StandardCopyOption.REPLACE_EXISTING);
+                } else {
+                    Iris.debug("Read Tectonic Plate " + C.DARK_GREEN + name + C.RED + " in " + Form.duration(p.getMilliseconds(), 2));
+                }
+            }
+        }
+    }
+
+    public void write(final String name, final TectonicPlate plate) throws IOException {
+        PrecisionStopwatch p = PrecisionStopwatch.start();
+        try (var channel = getChannel(name)) {
+            tmp.mkdirs();
+            File file = File.createTempFile("iris", ".bin", tmp);
+            try {
+                try (var tmp = new DataOutputStream(new LZ4BlockOutputStream(new FileOutputStream(file)))) {
+                    plate.write(tmp);
+                }
+
+                try (var out = channel.write()) {
+                    Files.copy(file.toPath(), out);
+                    out.flush();
+                }
+            } finally {
+                file.delete();
+            }
+        }
+        Iris.debug("Saved Tectonic Plate " + C.DARK_GREEN + name + C.RED + " in " + Form.duration(p.getMilliseconds(), 2));
+    }
+
+    public void close() throws IOException {
+        synchronized (cache) {
+            for (Holder h : cache.values()) {
+                h.close();
+            }
+
+            cache.clear();
+        }
+    }
+
+    private SynchronizedChannel getChannel(final String name) throws IOException {
+        PrecisionStopwatch p = PrecisionStopwatch.start();
+        try {
+            synchronized (cache) {
+                Holder holder = cache.getAndMoveToFirst(name);
+                if (holder != null) {
+                    var channel = holder.acquire();
+                    if (channel != null) {
+                        return channel;
+                    }
+                }
+
+                if (cache.size() >= MAX_CACHE_SIZE) {
+                    var last = cache.removeLast();
+                    last.close();
+                }
+
+
+                holder = new Holder(FileChannel.open(root.resolve(name), OPTIONS));
+                cache.putAndMoveToFirst(name, holder);
+                return Objects.requireNonNull(holder.acquire());
+            }
+        } finally {
+            Iris.debug("Acquired Channel for " + C.DARK_GREEN + name + C.RED + " in " + Form.duration(p.getMilliseconds(), 2));
+        }
+    }
+}

core/src/main/java/com/volmit/iris/util/mantle/io/SynchronizedChannel.java

@@ -0,0 +1,54 @@
+/*
+ * 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.util.mantle.io;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.channels.FileChannel;
+import java.util.concurrent.Semaphore;
+
+public class SynchronizedChannel implements Closeable {
+    private final FileChannel channel;
+    private final Semaphore lock;
+    private transient boolean closed;
+
+    SynchronizedChannel(FileChannel channel, Semaphore lock) {
+        this.channel = channel;
+        this.lock = lock;
+    }
+
+    public InputStream read() throws IOException {
+        if (closed) throw new IOException("Channel is closed!");
+        return DelegateStream.read(channel);
+    }
+
+    public OutputStream write() throws IOException {
+        if (closed) throw new IOException("Channel is closed!");
+        return DelegateStream.write(channel);
+    }
+
+    @Override
+    public void close() throws IOException {
+        if (closed) return;
+        closed = true;
+        lock.release();
+    }
+}

core/src/main/java/com/volmit/iris/util/matter/IrisMatter.java

@@ -25,6 +25,8 @@ import com.volmit.iris.util.json.JSONObject;
 import com.volmit.iris.util.plugin.VolmitSender;
 import lombok.Getter;
 
+import java.util.Objects;
+
 public class IrisMatter extends IrisRegistrant implements Matter {
     protected static final KMap<Class<?>, MatterSlice<?>> slicers = buildSlicers();
 
@@ -65,6 +67,12 @@ public class IrisMatter extends IrisRegistrant implements Matter {
         return c;
     }
 
+    @Override
+    @SuppressWarnings("unchecked")
+    public <T> MatterSlice<T> slice(Class<?> c) {
+        return (MatterSlice<T>) sliceMap.computeIfAbsent(c, $ -> Objects.requireNonNull(createSlice(c, this), "Bad slice " + c.getCanonicalName()));
+    }
+
     @Override
     public <T> MatterSlice<T> createSlice(Class<T> type, Matter m) {
         MatterSlice<?> slice = slicers.get(type);

core/src/main/java/com/volmit/iris/util/matter/Matter.java

@@ -99,10 +99,9 @@ public interface Matter {
     }
 
     static Matter read(File f) throws IOException {
-        FileInputStream in = new FileInputStream(f);
-        Matter m = read(in);
-        in.close();
-        return m;
+        try (var in = new FileInputStream(f)) {
+            return read(in);
+        }
     }
 
     static Matter read(InputStream in) throws IOException {
@@ -142,6 +141,7 @@ public interface Matter {
             long size = din.readInt();
             if (size == 0) continue;
             long start = din.count();
+            long end = start + size;
 
             Iris.addPanic("read.matter.slice", i + "");
             try {
@@ -151,9 +151,9 @@ public interface Matter {
                 Class<?> type = Class.forName(cn);
                 MatterSlice<?> slice = matter.createSlice(type, matter);
                 slice.read(din);
+                if (din.count() < end) throw new IOException("Matter slice read size mismatch!");
                 matter.putSlice(type, slice);
             } catch (Throwable e) {
-                long end = start + size;
                 if (!(e instanceof ClassNotFoundException)) {
                     Iris.error("Failed to read matter slice, skipping it.");
                     Iris.addPanic("read.byte.range", start + " " + end);
@@ -165,6 +165,10 @@ public interface Matter {
                 }
                 din.skipTo(end);
             }
+
+            if (din.count() != end) {
+                throw new IOException("Matter slice read size mismatch!");
+            }
         }
 
         return matter;

core/src/main/java/com/volmit/iris/util/misc/Bindings.java

@@ -51,7 +51,7 @@ public class Bindings {
         YamlConfiguration desc = resource != null ? YamlConfiguration.loadConfiguration(new InputStreamReader(resource)) : new YamlConfiguration();
 
         Sentry.init(options -> {
-            options.setDsn("https://b16ecc222e9c1e0c48faecacb906fd89@o4509451052646400.ingest.de.sentry.io/4509452722765904");
+            options.setDsn("http://4cdbb9ac953306529947f4ca1e8e6b26@sentry.volmit.com:8080/2");
             if (settings.debug) {
                 options.setLogger(new IrisLogger());
                 options.setDebug(true);
@@ -79,7 +79,6 @@ public class Bindings {
             scope.setTag("server.api", Bukkit.getBukkitVersion());
             scope.setTag("iris.commit", desc.getString("commit", "unknown"));
         });
-        Runtime.getRuntime().addShutdownHook(new Thread(Sentry::close));
     }
 
     private static boolean suppress(Throwable e) {