fix terrascript loading logging

fix exporting weirdness
finalize commands
2026-05-20 08:40:26 +00:00 · 2021-01-01 19:55:33 -07:00 · 2021-01-01 18:09:58 -07:00 · 2021-01-01 17:45:06 -07:00 · 2021-01-01 17:43:10 -07:00 · 2021-01-01 17:36:53 -07:00
575 changed files with 23147 additions and 7389 deletions
@@ -6,7 +6,7 @@ end_of_line = lf
 indent_size = 4
 indent_style = space
 insert_final_newline = false
-max_line_length = 120
+max_line_length = 140
 tab_width = 4
 ij_continuation_indent_size = 8
 ij_formatter_off_tag = @formatter:off
@@ -34,6 +34,7 @@ jobs:
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          prerelease: false
-          files: |
-                      build/libs/Terra-*-shaded.jar
+          files:      |
+                      build/libs/Terra-*.jar
+                      LICENSE
                      
@@ -137,3 +137,5 @@ build

 !lib/*.jar
 .idea/Terra.iml
+/run/
+.idea/**.iml
@@ -1,8 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
-# Editor-based HTTP Client requests
-/httpRequests/
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="1.8" />
-  </component>
-</project>
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="DiscordProjectSettings">
-    <option name="show" value="PROJECT_FILES" />
-  </component>
-</project>
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="/usr/share/java/gradle" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-          </set>
-        </option>
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>
@@ -1,23 +0,0 @@
-<component name="InspectionProjectProfileManager">
-  <profile version="1.0">
-    <option name="myName" value="Project Default" />
-    <inspection_tool class="DuplicatedCode" enabled="true" level="WEAK WARNING" enabled_by_default="true">
-      <Languages>
-        <language minSize="54" name="Java" />
-      </Languages>
-    </inspection_tool>
-    <inspection_tool class="NonSerializableObjectPassedToObjectStream" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="SerialVersionUIDNotStaticFinal" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="SerializableHasSerialVersionUIDField" enabled="true" level="WARNING" enabled_by_default="true">
-      <option name="ignoreAnonymousInnerClasses" value="false" />
-      <option name="superClassString" value="java.awt.Component" />
-    </inspection_tool>
-    <inspection_tool class="SerializableInnerClassHasSerialVersionUIDField" enabled="true" level="WARNING" enabled_by_default="true">
-      <option name="ignoreAnonymousInnerClasses" value="false" />
-      <option name="superClassString" value="java.awt.Component" />
-    </inspection_tool>
-    <inspection_tool class="SerializableStoresNonSerializable" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="TransientFieldInNonSerializableClass" enabled="true" level="WARNING" enabled_by_default="true" />
-    <inspection_tool class="TransientFieldNotInitialized" enabled="true" level="WARNING" enabled_by_default="true" />
-  </profile>
-</component>
@@ -1,85 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="BintrayJCenter" />
-      <option name="name" value="BintrayJCenter" />
-      <option name="url" value="https://jcenter.bintray.com/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Central Repository" />
-      <option name="url" value="https://repo.maven.apache.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="papermc" />
-      <option name="name" value="papermc" />
-      <option name="url" value="https://papermc.io/repo/repository/maven-public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="parsii.local" />
-      <option name="name" value="parsii" />
-      <option name="url" value="file:$PROJECT_DIR$/../parsii/repo" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="local" />
-      <option name="name" value="local" />
-      <option name="url" value="file:lib" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="aikar" />
-      <option name="name" value="aikar" />
-      <option name="url" value="https://repo.aikar.co/content/groups/aikar/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="enginehub-maven" />
-      <option name="name" value="enginehub-maven" />
-      <option name="url" value="http://maven.enginehub.org/repo/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="spigotmc-repo" />
-      <option name="name" value="spigotmc-repo" />
-      <option name="url" value="https://hub.spigotmc.org/nexus/content/repositories/snapshots/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="enginehub" />
-      <option name="name" value="enginehub" />
-      <option name="url" value="https://maven.enginehub.org/repo/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="minecraft-repo" />
-      <option name="name" value="minecraft-repo" />
-      <option name="url" value="https://libraries.minecraft.net/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="gaea.local" />
-      <option name="name" value="gaea" />
-      <option name="url" value="file:$PROJECT_DIR$/../Gaea/repo" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="gaea.local" />
-      <option name="name" value="gaea-local" />
-      <option name="url" value="file:$PROJECT_DIR$/../Gaea/repo" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="CodeMC" />
-      <option name="name" value="CodeMC" />
-      <option name="url" value="https://repo.codemc.org/repository/maven-public" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="MavenLocal" />
-      <option name="name" value="MavenLocal" />
-      <option name="url" value="file:$MAVEN_REPOSITORY$/" />
-    </remote-repository>
-  </component>
-</project>
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="EntryPointsManager">
-    <entry_points version="2.0">
-      <entry_point TYPE="field" FQNAME="com.dfsek.terra.util.StructureTypeEnum NETHER_FORTRESS" />
-    </entry_points>
-    <list size="1">
-      <item index="0" class="java.lang.String" itemvalue="org.bukkit.event.EventHandler" />
-    </list>
-  </component>
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="FrameworkDetectionExcludesConfiguration">
-    <file type="web" url="file://$PROJECT_DIR$" />
-  </component>
-  <component name="MavenProjectsManager">
-    <option name="originalFiles">
-      <list>
-        <option value="$PROJECT_DIR$/pom.xml" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
@@ -1,124 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Palette2">
-    <group name="Swing">
-      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
-      </item>
-      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
-      </item>
-      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.png" removable="false" auto-create-binding="false" can-attach-label="true">
-        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
-        <initial-values>
-          <property name="text" value="Button" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="RadioButton" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="CheckBox" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="Label" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
-          <preferred-size width="200" height="200" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
-          <preferred-size width="200" height="200" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.png" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
-      </item>
-      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
-          <preferred-size width="-1" height="20" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
-      </item>
-      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
-      </item>
-    </group>
-  </component>
-</project>
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module version="4">
-  <component name="CheckStyle-IDEA-Module">
-    <option name="configuration">
-      <map />
-    </option>
-  </component>
-  <component name="FacetManager">
-    <facet type="minecraft" name="Minecraft">
-      <configuration>
-        <autoDetectTypes>
-          <platformType>SPIGOT</platformType>
-        </autoDetectTypes>
-      </configuration>
-    </facet>
-  </component>
-</module>
@@ -1,205 +1,11 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-import java.io.ByteArrayOutputStream
-import java.net.URL
-import java.nio.channels.Channels
-import java.nio.file.Files
-import java.nio.file.Paths
-import java.nio.file.StandardCopyOption
-//import java.util.zip.ZipFile
-import java.util.zip.ZipInputStream
+import com.dfsek.terra.getGitHash

-plugins {
-    java
-    maven
-    id("com.github.johnrengelman.shadow").version("6.1.0")
+val versionObj = Version("3", "0", "0", true)
+
+allprojects {
+    version = versionObj
+    group = "com.dfsek.terra"
 }
-
-repositories {
-    flatDir {
-        dirs("lib")
-    }
-    maven { url = uri("https://hub.spigotmc.org/nexus/content/repositories/snapshots/") }
-    maven { url = uri("http://maven.enginehub.org/repo/") }
-    maven { url = uri("https://repo.codemc.org/repository/maven-public") }
-    maven { url = uri("https://papermc.io/repo/repository/maven-public/") }
-//    maven { url = uri("https://maven.pkg.github.com/solonovamax/Gaea") }
-}
-
-java {
-    sourceCompatibility = JavaVersion.VERSION_1_8
-    targetCompatibility = JavaVersion.VERSION_1_8
-}
-
-val versionObj = Version("1", "5", "0", true)
-
-version = versionObj
-
-dependencies {
-    val gaeaVersion = "1.14.3"
-    compileOnly(name = "Gaea-${gaeaVersion}", group = "")
-    testImplementation(name = "Gaea-${gaeaVersion}", group = "")
-
-    compileOnly("org.jetbrains:annotations:20.1.0")
-
-    implementation("commons-io:commons-io:2.4")
-    implementation("org.apache.commons:commons-imaging:1.0-alpha2")
-
-    compileOnly("com.sk89q.worldedit:worldedit-bukkit:7.2.0-SNAPSHOT")
-    implementation("org.bstats:bstats-bukkit:1.7")
-
-    compileOnly("com.googlecode.json-simple:json-simple:1.1")
-
-    implementation(name = "parsii-1.2.1", group = "")
-
-    compileOnly("org.spigotmc:spigot-api:1.16.2-R0.1-SNAPSHOT")
-    implementation("io.papermc:paperlib:1.0.5")
-
-    implementation("net.jafama:jafama:2.3.2")
-
-
-    // JUnit.
-    testImplementation("org.junit.jupiter:junit-jupiter-api:5.7.0")
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.7.0")
-}
-
-val compileJava: JavaCompile by tasks
-val mainSourceSet: SourceSet = sourceSets["main"]
-
-val tokenizeJavaSources = task<Copy>(name = "tokenizeJavaSources") {
-    from(mainSourceSet.allSource) {
-        include("**/plugin.yml")
-        println("version: $versionObj")
-        val tokens = mapOf("VERSION" to versionObj.toString())
-
-        filter(org.apache.tools.ant.filters.ReplaceTokens::class, "tokens" to tokens)
-    }
-    into("build/tokenizedSources")
-    includeEmptyDirs = false
-}
-
-
-compileJava.apply {
-    dependsOn(tokenizeJavaSources)
-
-    options.encoding = "UTF-8"
-    doFirst {
-        options.compilerArgs = mutableListOf("-Xlint:all")
-    }
-}
-
-tasks.test {
-    useJUnitPlatform()
-
-    maxHeapSize = "4G"
-    ignoreFailures = false
-    failFast = true
-    maxParallelForks = 12
-}
-
-tasks.named<ShadowJar>("shadowJar") {
-    from(tokenizeJavaSources.destinationDir)
-    dependsOn(downloadDefaultPacks)
-
-    archiveClassifier.set("shaded")
-    archiveBaseName.set("Terra")
-    setVersion(project.version)
-    relocate("org.apache.commons", "com.dfsek.terra.lib.commons")
-    relocate("org.bstats.bukkit", "com.dfsek.terra.lib.bstats")
-    relocate("parsii", "com.dfsek.terra.lib.parsii")
-    relocate("io.papermc.lib", "com.dfsek.terra.lib.paperlib")
-    relocate("net.jafama", "com.dfsek.terra.lib.jafama")
-    minimize {
-        exclude(project(":"))
-    }
-}
-
-tasks.build {
-    dependsOn(tasks.shadowJar)
-//    dependsOn(testWithPaper)
-//    testWithPaper.mustRunAfter(tasks.shadowJar)
-}
-
-val testDir = "target/server/"
-
-val setupServer = tasks.create("setupServer") {
-    dependsOn(tasks.shadowJar)
-    doFirst {
-        // clean
-        file("${testDir}/").deleteRecursively()
-        file("${testDir}/plugins").mkdirs()
-
-        // Downloading latest paper jar.
-        val paperUrl = URL("https://papermc.io/api/v1/paper/1.16.4/latest/download")
-        val paperReadableByteChannel = Channels.newChannel(paperUrl.openStream())
-        val paperFile = file("${testDir}/paper.jar")
-        val paperFileOutputStream = paperFile.outputStream()
-        val paperFileChannel = paperFileOutputStream.channel
-        paperFileChannel.transferFrom(paperReadableByteChannel, 0, Long.MAX_VALUE)
-
-        // Cloning test setup.
-        gitClone("https://github.com/PolyhedralDev/WorldGenTestServer")
-        // Copying plugins
-        Files.move(Paths.get("WorldGenTestServer/plugins"),
-                Paths.get("$testDir/plugins"),
-                StandardCopyOption.REPLACE_EXISTING)
-        // Copying config
-        val serverText = URL("https://raw.githubusercontent.com/PolyhedralDev/WorldGenTestServer/master/server.properties").readText()
-        file("${testDir}/server.properties").writeText(serverText)
-        val bukkitText = URL("https://raw.githubusercontent.com/PolyhedralDev/WorldGenTestServer/master/bukkit.yml").readText()
-        file("${testDir}/bukkit.yml").writeText(bukkitText.replace("\${world}", "world").replace("\${gen}", "Terra:DEFAULT"))
-
-        File("${testDir}/eula.txt").writeText("eula=true")
-
-        // clean up
-        file("WorldGenTestServer").deleteRecursively()
-    }
-}
-
-val downloadDefaultPacks = tasks.create("downloadDefaultPacks") {
-    doFirst {
-        // Downloading latest paper jar.
-//        if (file("${buildDir}/resources/main/packs/default").exists() && file("${buildDir}/resources/main/packs/nether").exists())
-//            return@doFirst
-//        else
-        file("${buildDir}/resources/main/packs/").deleteRecursively()
-
-        val defaultPackUrl = URL("https://github.com/PolyhedralDev/TerraDefaultConfig/releases/download/latest/default.zip")
-        downloadAndUnzipPack(defaultPackUrl)
-        val netherPackUrl = URL("https://github.com/PolyhedralDev/TerraDefaultConfig/releases/download/latest/nether.zip")
-        downloadAndUnzipPack(netherPackUrl)
-    }
-}
-tasks.processResources {
-    dependsOn(downloadDefaultPacks)
-}
-
-val testWithPaper = task<JavaExec>(name = "testWithPaper") {
-    standardInput = System.`in`
-    dependsOn(tasks.shadowJar)
-    // Copy Terra into dir
-    doFirst {
-        copy {
-            from("${buildDir}/libs/Terra-${versionObj}.jar")
-            into("${testDir}/plugins/")
-        }
-    }
-
-    main = "io.papermc.paperclip.Paperclip"
-    jvmArgs = listOf("-XX:+UseG1GC", "-XX:+ParallelRefProcEnabled", "-XX:MaxGCPauseMillis=200",
-            "-XX:+UnlockExperimentalVMOptions", "-XX:+DisableExplicitGC", "-XX:+AlwaysPreTouch",
-            "-XX:G1NewSizePercent=30", "-XX:G1MaxNewSizePercent=40", "-XX:G1HeapRegionSize=8M",
-            "-XX:G1ReservePercent=20", "-XX:G1HeapWastePercent=5", "-XX:G1MixedGCCountTarget=4",
-            "-XX:InitiatingHeapOccupancyPercent=15", "-XX:G1MixedGCLiveThresholdPercent=90",
-            "-XX:G1RSetUpdatingPauseTimePercent=5", "-XX:SurvivorRatio=32", "-XX:+PerfDisableSharedMem",
-            "-XX:MaxTenuringThreshold=1", "-Dusing.aikars.flags=https://mcflags.emc.gs",
-            "-Daikars.new.flags=true", "-DIReallyKnowWhatIAmDoingISwear")
-    maxHeapSize = "2G"
-    args = listOf("nogui")
-    workingDir = file("${testDir}/")
-    classpath = files("${testDir}/paper.jar")
-}
-
-
 /**
 * Version class that does version stuff.
 */
@@ -212,35 +18,4 @@ class Version(val major: String, val minor: String, val revision: String, val pr
        else //Only use git hash if it's a prerelease.
            "$major.$minor.$revision-BETA+${getGitHash()}"
    }
-}
-
-fun getGitHash(): String {
-    val stdout = ByteArrayOutputStream()
-    exec {
-        commandLine = mutableListOf("git", "rev-parse", "--short", "HEAD")
-        standardOutput = stdout
-    }
-    return stdout.toString().trim()
-}
-
-fun gitClone(name: String) {
-    val stdout = ByteArrayOutputStream()
-    exec {
-        commandLine = mutableListOf("git", "clone", name)
-        standardOutput = stdout
-    }
-}
-
-fun downloadAndUnzipPack(packUrl: URL) {
-    ZipInputStream(packUrl.openStream()).use { zip ->
-        while (true) {
-            val entry = zip.nextEntry ?: break
-            if (entry.isDirectory)
-                file("${buildDir}/resources/main/packs/${entry.name}").mkdirs()
-            else
-                file("${buildDir}/resources/main/packs/${entry.name}").outputStream().use { output ->
-                    output.write(zip.readBytes())
-                }
-        }
-    }
 }
@@ -0,0 +1,13 @@
+plugins {
+    `kotlin-dsl`
+    kotlin("jvm") version embeddedKotlinVersion
+}
+
+repositories {
+    mavenCentral()
+    gradlePluginPortal()
+}
+
+dependencies {
+    "implementation"("com.github.jengelman.gradle.plugins:shadow:+")
+}
@@ -0,0 +1,47 @@
+package com.dfsek.terra
+
+import org.gradle.api.Project
+import org.gradle.api.tasks.testing.Test
+import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.withType
+import java.io.ByteArrayOutputStream
+
+fun Project.configureCommon() {
+    apply(plugin = "java-library")
+    apply(plugin = "maven-publish")
+    apply(plugin = "idea")
+
+    configureDependencies()
+    configureCompilation()
+    configureDistribution()
+
+    version = rootProject.version
+
+
+
+    tasks.withType<Test>().configureEach {
+        useJUnitPlatform()
+
+        maxHeapSize = "2G"
+        ignoreFailures = false
+        failFast = true
+        maxParallelForks = 12
+    }
+}
+
+fun Project.getGitHash(): String {
+    val stdout = java.io.ByteArrayOutputStream()
+    exec {
+        commandLine = mutableListOf("git", "rev-parse", "--short", "HEAD")
+        standardOutput = stdout
+    }
+    return stdout.toString().trim()
+}
+
+fun Project.gitClone(name: String) {
+    val stdout = ByteArrayOutputStream()
+    exec {
+        commandLine = mutableListOf("git", "clone", name)
+        standardOutput = stdout
+    }
+}
@@ -0,0 +1,27 @@
+package com.dfsek.terra
+
+import org.gradle.api.JavaVersion
+import org.gradle.api.Project
+import org.gradle.api.plugins.JavaPluginConvention
+import org.gradle.api.tasks.compile.JavaCompile
+import org.gradle.api.tasks.javadoc.Javadoc
+import org.gradle.kotlin.dsl.configure
+import org.gradle.kotlin.dsl.withType
+
+fun Project.configureCompilation() {
+    configure<JavaPluginConvention> {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    tasks.withType<JavaCompile> {
+        options.encoding = "UTF-8"
+        doFirst {
+            options.compilerArgs = mutableListOf("-Xlint:all")
+        }
+    }
+
+    tasks.withType<Javadoc> {
+        options.encoding = "UTF-8"
+    }
+}
@@ -0,0 +1,25 @@
+package com.dfsek.terra
+
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.dependencies
+import org.gradle.kotlin.dsl.repositories
+
+fun Project.configureDependencies() {
+
+    repositories {
+        maven { url = uri("https://hub.spigotmc.org/nexus/content/repositories/snapshots/") }
+        maven { url = uri("http://maven.enginehub.org/repo/") }
+        maven { url = uri("https://repo.codemc.org/repository/maven-public") }
+        maven { url = uri("https://papermc.io/repo/repository/maven-public/") }
+        maven { url = uri("https://maven.fabricmc.net/") }
+        gradlePluginPortal()
+        jcenter()
+        mavenCentral()
+    }
+
+    dependencies {
+        "testImplementation"("org.junit.jupiter:junit-jupiter-api:5.7.0")
+        "testRuntimeOnly"("org.junit.jupiter:junit-jupiter-engine:5.7.0")
+        "compileOnly"("org.jetbrains:annotations:20.1.0")
+    }
+}
@@ -0,0 +1,87 @@
+package com.dfsek.terra
+
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+import org.gradle.api.DefaultTask
+import org.gradle.api.Project
+import org.gradle.api.plugins.BasePluginConvention
+import org.gradle.api.tasks.bundling.Jar
+import org.gradle.api.tasks.javadoc.Javadoc
+import org.gradle.kotlin.dsl.*
+import java.io.File
+import java.net.URL
+
+fun Project.configureDistribution() {
+    apply(plugin = "java-library")
+    apply(plugin = "com.github.johnrengelman.shadow")
+
+
+//    configurations.create("shaded")
+
+    configurations {
+        val shaded = create("shaded")
+        getByName("compile").extendsFrom(shaded)
+//        shaded.extendsFrom(getByName("compile"))
+        val shadedApi = create("shadedApi")
+        shaded.extendsFrom(shadedApi)
+        getByName("api").extendsFrom(shadedApi)
+        val shadedImplementation = create("shadedImplementation")
+        shaded.extendsFrom(shadedImplementation)
+        getByName("implementation").extendsFrom(shadedImplementation)
+    }
+
+//    tasks.withType<JavaCompile> {
+//        classpath +=
+//    }
+
+    val downloadDefaultPacks = tasks.create("downloadDefaultPacks") {
+        doFirst {
+            file("${buildDir}/resources/main/packs/").deleteRecursively()
+
+            val defaultPackUrl = URL("https://github.com/PolyhedralDev/TerraDefaultConfig/releases/download/latest/default.zip")
+            downloadPack(defaultPackUrl, project)
+            val netherPackUrl = URL("https://github.com/PolyhedralDev/TerraDefaultConfig/releases/download/latest/nether.zip")
+            downloadPack(netherPackUrl, project)
+        }
+    }
+    tasks["processResources"].dependsOn(downloadDefaultPacks)
+
+    tasks.register<Jar>("sourcesJar") {
+        archiveClassifier.set("sources")
+    }
+
+    tasks.withType<Jar> {
+        from("../LICENSE", "../../LICENSE")
+    }
+
+    tasks.register<Jar>("javadocJar") {
+        dependsOn("javadoc")
+        archiveClassifier.set("javadoc")
+        from(tasks.getByName<Javadoc>("javadoc").destinationDir)
+    }
+
+    tasks.named<ShadowJar>("shadowJar") {
+        // Tell shadow to download the packs
+        dependsOn(downloadDefaultPacks)
+
+        configurations = listOf(project.configurations["shaded"])
+
+        archiveClassifier.set("shaded")
+        setVersion(project.version)
+        relocate("org.apache.commons", "com.dfsek.terra.lib.commons")
+        relocate("parsii", "com.dfsek.terra.lib.parsii")
+        relocate("net.jafama", "com.dfsek.terra.lib.jafama")
+        minimize()
+    }
+    convention.getPlugin<BasePluginConvention>().archivesBaseName = project.name
+
+    tasks.named<DefaultTask>("build") {
+        dependsOn(tasks["shadowJar"])
+    }
+}
+
+fun downloadPack(packUrl: URL, project: Project) {
+    val fileName = packUrl.file.substring(packUrl.file.lastIndexOf("/"))
+    val file = File("${project.buildDir}/resources/main/packs/${fileName}")
+    file.parentFile.mkdirs()
+    file.outputStream().write(packUrl.readBytes())
+}
@@ -0,0 +1,23 @@
+import com.dfsek.terra.configureCommon
+
+plugins {
+    `java-library`
+}
+
+configureCommon()
+
+group = "com.dfsek.terra.common"
+
+dependencies {
+    "shadedApi"("org.apache.commons:commons-rng-core:1.3")
+    "shadedApi"("commons-io:commons-io:2.4")
+
+    "shadedApi"("com.scireum:parsii:1.2.1")
+    "shadedApi"("com.dfsek:Tectonic:1.0.3")
+    "shadedApi"("net.jafama:jafama:2.3.2")
+    "shadedApi"("org.yaml:snakeyaml:1.27")
+
+    "compileOnly"("com.googlecode.json-simple:json-simple:1.1")
+
+    "shadedApi"("com.google.guava:guava:30.0-jre")
+}
@@ -0,0 +1,4 @@
+package com.dfsek.terra;
+
+public interface CommandHandler {
+}
@@ -0,0 +1,19 @@
+package com.dfsek.terra;
+
+import com.dfsek.terra.api.platform.world.World;
+import com.dfsek.terra.api.profiler.DataType;
+import com.dfsek.terra.api.profiler.Measurement;
+import com.dfsek.terra.api.profiler.WorldProfiler;
+
+public class TerraProfiler extends WorldProfiler {
+    public TerraProfiler(World w) {
+        super(w);
+        this
+                .addMeasurement(new Measurement(1500000, DataType.PERIOD_MILLISECONDS), "FloraTime")
+                .addMeasurement(new Measurement(10000000, DataType.PERIOD_MILLISECONDS), "TreeTime")
+                .addMeasurement(new Measurement(1500000, DataType.PERIOD_MILLISECONDS), "OreTime")
+                .addMeasurement(new Measurement(5000000, DataType.PERIOD_MILLISECONDS), "CaveTime")
+                .addMeasurement(new Measurement(1500000, DataType.PERIOD_MILLISECONDS), "StructureTime")
+                .addMeasurement(new Measurement(1500000, DataType.PERIOD_MILLISECONDS), "ElevationTime");
+    }
+}
@@ -0,0 +1,55 @@
+package com.dfsek.terra;
+
+import com.dfsek.terra.api.platform.TerraPlugin;
+import com.dfsek.terra.api.platform.generator.GeneratorWrapper;
+import com.dfsek.terra.api.platform.world.World;
+import com.dfsek.terra.biome.BiomeZone;
+import com.dfsek.terra.biome.grid.master.TerraBiomeGrid;
+import com.dfsek.terra.config.base.ConfigPack;
+
+public class TerraWorld {
+    private final TerraBiomeGrid grid;
+    private final BiomeZone zone;
+    private final ConfigPack config;
+    private final boolean safe;
+    private final TerraProfiler profiler;
+    private final World world;
+
+
+    public TerraWorld(World w, ConfigPack c, TerraPlugin main) {
+        config = c;
+        profiler = new TerraProfiler(w);
+        this.grid = new TerraBiomeGrid.TerraBiomeGridBuilder(w.getSeed(), c, main).build();
+        this.zone = grid.getZone();
+        this.world = w;
+        safe = true;
+    }
+
+    public World getWorld() {
+        return world;
+    }
+
+    public static boolean isTerraWorld(World w) {
+        return w.getGenerator().getHandle() instanceof GeneratorWrapper;
+    }
+
+    public TerraBiomeGrid getGrid() {
+        return grid;
+    }
+
+    public ConfigPack getConfig() {
+        return config;
+    }
+
+    public BiomeZone getZone() {
+        return zone;
+    }
+
+    public boolean isSafe() {
+        return safe;
+    }
+
+    public TerraProfiler getProfiler() {
+        return profiler;
+    }
+}
@@ -0,0 +1,8 @@
+package com.dfsek.terra.api;
+
+import com.dfsek.terra.api.math.vector.Location;
+import com.dfsek.terra.api.platform.Handle;
+
+public interface Entity extends Handle {
+    Location getLocation();
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api;
+
+
+import com.dfsek.terra.api.platform.world.World;
+
+import java.io.File;
+
+public class Gaea {
+    private static boolean debug;
+
+    public static File getGaeaFolder(World w) {
+        File f = new File(w.getWorldFolder(), "gaea");
+        f.mkdirs();
+        return f;
+    }
+
+    public static boolean isDebug() {
+        return debug;
+    }
+}
@@ -0,0 +1,63 @@
+package com.dfsek.terra.api;
+
+import com.dfsek.tectonic.loading.TypeRegistry;
+import com.dfsek.terra.api.math.ProbabilityCollection;
+import com.dfsek.terra.api.math.Range;
+import com.dfsek.terra.api.platform.TerraPlugin;
+import com.dfsek.terra.biome.grid.master.TerraBiomeGrid;
+import com.dfsek.terra.biome.palette.PaletteHolder;
+import com.dfsek.terra.biome.palette.PaletteLayer;
+import com.dfsek.terra.carving.CarverPalette;
+import com.dfsek.terra.config.loaders.ImageLoaderLoader;
+import com.dfsek.terra.config.loaders.MaterialSetLoader;
+import com.dfsek.terra.config.loaders.ProbabilityCollectionLoader;
+import com.dfsek.terra.config.loaders.RangeLoader;
+import com.dfsek.terra.config.loaders.config.FloraLayerLoader;
+import com.dfsek.terra.config.loaders.config.GridSpawnLoader;
+import com.dfsek.terra.config.loaders.config.NoiseBuilderLoader;
+import com.dfsek.terra.config.loaders.config.OreConfigLoader;
+import com.dfsek.terra.config.loaders.config.OreHolderLoader;
+import com.dfsek.terra.config.loaders.config.TreeLayerLoader;
+import com.dfsek.terra.config.loaders.palette.CarverPaletteLoader;
+import com.dfsek.terra.config.loaders.palette.PaletteHolderLoader;
+import com.dfsek.terra.config.loaders.palette.PaletteLayerLoader;
+import com.dfsek.terra.generation.config.NoiseBuilder;
+import com.dfsek.terra.generation.items.flora.FloraLayer;
+import com.dfsek.terra.generation.items.flora.TerraFlora;
+import com.dfsek.terra.generation.items.ores.Ore;
+import com.dfsek.terra.generation.items.ores.OreConfig;
+import com.dfsek.terra.generation.items.ores.OreHolder;
+import com.dfsek.terra.generation.items.tree.TreeLayer;
+import com.dfsek.terra.image.ImageLoader;
+import com.dfsek.terra.procgen.GridSpawn;
+import com.dfsek.terra.util.MaterialSet;
+
+public class GenericLoaders implements LoaderRegistrar {
+    private final TerraPlugin main;
+
+    public GenericLoaders(TerraPlugin main) {
+        this.main = main;
+    }
+
+    @Override
+    public void register(TypeRegistry registry) {
+        registry.registerLoader(ProbabilityCollection.class, new ProbabilityCollectionLoader())
+                .registerLoader(Range.class, new RangeLoader())
+                .registerLoader(CarverPalette.class, new CarverPaletteLoader())
+                .registerLoader(GridSpawn.class, new GridSpawnLoader())
+                .registerLoader(PaletteHolder.class, new PaletteHolderLoader())
+                .registerLoader(PaletteLayer.class, new PaletteLayerLoader())
+                .registerLoader(FloraLayer.class, new FloraLayerLoader())
+                .registerLoader(Ore.Type.class, (t, o, l) -> Ore.Type.valueOf((String) o))
+                .registerLoader(OreConfig.class, new OreConfigLoader())
+                .registerLoader(NoiseBuilder.class, new NoiseBuilderLoader())
+                .registerLoader(TreeLayer.class, new TreeLayerLoader(main))
+                .registerLoader(MaterialSet.class, new MaterialSetLoader())
+                .registerLoader(OreHolder.class, new OreHolderLoader())
+                .registerLoader(ImageLoader.class, new ImageLoaderLoader())
+                .registerLoader(TerraBiomeGrid.Type.class, (t, o, l) -> TerraBiomeGrid.Type.valueOf((String) o))
+                .registerLoader(ImageLoader.Channel.class, (t, o, l) -> ImageLoader.Channel.valueOf((String) o))
+                .registerLoader(ImageLoader.Align.class, (t, o, l) -> ImageLoader.Align.valueOf((String) o))
+                .registerLoader(TerraFlora.Search.class, (t, o, l) -> TerraFlora.Search.valueOf((String) o));
+    }
+}
@@ -0,0 +1,7 @@
+package com.dfsek.terra.api;
+
+import com.dfsek.tectonic.loading.TypeRegistry;
+
+public interface LoaderRegistrar {
+    void register(TypeRegistry registry);
+}
@@ -0,0 +1,4 @@
+package com.dfsek.terra.api;
+
+public interface Player extends Entity {
+}
@@ -0,0 +1,40 @@
+package com.dfsek.terra.api.lang;
+
+
+import com.dfsek.tectonic.config.Configuration;
+import com.dfsek.terra.api.platform.CommandSender;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class Language  {
+    private final Configuration configuration;
+    public Language(File file) throws IOException {
+        configuration = new Configuration(new FileInputStream(file));
+    }
+    @SuppressWarnings("unchecked")
+    public Message getMessage(String id) {
+        Message temp = null;
+        if(configuration.contains(id)) {
+            Object m = configuration.get(id);
+
+            if(m instanceof List) {
+                temp = new MultiLineMessage((List<String>) m);
+            } else if(m instanceof String) {
+                temp = new SingleLineMessage((String) m);
+            } else return new SingleLineMessage("message:" + id + ":translation_undefined");
+        }
+        if(temp == null || temp.isEmpty()) return new SingleLineMessage("message:" + id + ":translation_undefined");
+        return temp;
+    }
+    public void log(String messageID, Level level, Logger logger, String... args) {
+        getMessage(messageID).log(logger, level, args);
+    }
+    public void send(String messageID, CommandSender sender, String... args) {
+        getMessage(messageID).send(sender, args);
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.api.lang;
+
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public interface Message {
+    void log(Logger logger, Level level, String... args);
+    void send(CommandSender sender, String... args);
+    boolean isEmpty();
+}
@@ -0,0 +1,33 @@
+package com.dfsek.terra.api.lang;
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class MultiLineMessage implements Message {
+    private final List<String> message;
+    public MultiLineMessage(List<String> message) {
+        this.message = message;
+    }
+    @Override
+    public void log(Logger logger, Level level, String... args) {
+        for(String line: message) {
+            logger.log(level, String.format(line, Arrays.asList(args).toArray()));
+        }
+    }
+
+    @Override
+    public void send(CommandSender sender, String... args) {
+        for(String line: message) {
+            sender.sendMessage(String.format(line, Arrays.asList(args).toArray()));
+        }
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return message == null || message.isEmpty();
+    }
+}
@@ -0,0 +1,29 @@
+package com.dfsek.terra.api.lang;
+
+
+import com.dfsek.terra.api.platform.CommandSender;
+
+import java.util.Arrays;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class SingleLineMessage implements Message {
+    private final String message;
+    public SingleLineMessage(String message) {
+        this.message = message;
+    }
+    @Override
+    public void log(Logger logger, Level level, String... args) {
+        logger.log(level, String.format(message, Arrays.asList(args).toArray()));
+    }
+
+    @Override
+    public void send(CommandSender sender, String... args) {
+        sender.sendMessage(String.format(message, Arrays.asList(args).toArray()));
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return message == null || message.equals("");
+    }
+}
@@ -0,0 +1,71 @@
+package com.dfsek.terra.api.math;
+
+import com.dfsek.terra.api.util.FastRandom;
+import net.jafama.FastMath;
+
+import java.util.Random;
+
+/**
+ * Utility class for mathematical functions.
+ */
+public final class MathUtil {
+    private static final double EPSILON = 0.1E-5;
+
+    /**
+     * Gets the standard deviation of an array of doubles.
+     *
+     * @param numArray The array of numbers to calculate the standard deviation of.
+     * @return double - The standard deviation.
+     */
+    public static double standardDeviation(double[] numArray) {
+        double sum = 0.0, standardDeviation = 0.0;
+        int length = numArray.length;
+
+        for(double num : numArray) {
+            sum += num;
+        }
+
+        double mean = sum / length;
+
+        for(double num : numArray) {
+            standardDeviation += FastMath.pow(num - mean, 2);
+        }
+
+        return FastMath.sqrt(standardDeviation / length);
+    }
+
+    /**
+     * Gets the carver seed for a chunk.
+     *
+     * @param chunkX Chunk's X coordinate
+     * @param chunkZ Chunk's Z coordinate
+     * @param seed   World seed
+     * @return long - The carver seed.
+     */
+    public static long getCarverChunkSeed(int chunkX, int chunkZ, long seed) {
+        Random r = new FastRandom(seed);
+        return chunkX * r.nextLong() ^ chunkZ * r.nextLong() ^ seed;
+    }
+
+    public static long hashToLong(String s) {
+        if(s == null) {
+            return 0;
+        }
+        long hash = 0;
+        for(char c : s.toCharArray()) {
+            hash = 31L * hash + c;
+        }
+        return hash;
+    }
+
+    /**
+     * Compare 2 floating-point values with epsilon to account for rounding errors
+     *
+     * @param a Value 1
+     * @param b Value 2
+     * @return Whether these values are equal
+     */
+    public static boolean equals(double a, double b) {
+        return a == b || FastMath.abs(a - b) < EPSILON;
+    }
+}
@@ -0,0 +1,49 @@
+package com.dfsek.terra.api.math;
+
+import com.dfsek.terra.api.world.biome.NormalizationUtil;
+
+import java.util.HashSet;
+import java.util.Random;
+import java.util.Set;
+import java.util.concurrent.ThreadLocalRandom;
+
+@SuppressWarnings("unchecked")
+public class ProbabilityCollection<E> {
+    private final Set<Object> cont = new HashSet<>();
+    private Object[] array = new Object[0];
+    private int size;
+
+    public com.dfsek.terra.api.math.ProbabilityCollection<E> add(E item, int probability) {
+        if(!cont.contains(item)) size++;
+        cont.add(item);
+        int oldLength = array.length;
+        Object[] newArray = new Object[array.length + probability];
+        System.arraycopy(array, 0, newArray, 0, array.length); // Expand array.
+        array = newArray;
+        for(int i = oldLength; i < array.length; i++) array[i] = item;
+        return this;
+    }
+
+    public E get() {
+        if(array.length == 0) return null;
+        return (E) array[ThreadLocalRandom.current().nextInt(array.length)];
+    }
+
+    public E get(Random r) {
+        if(array.length == 0) return null;
+        return (E) array[r.nextInt(array.length)];
+    }
+
+    public E get(FastNoiseLite n, double x, double z) {
+        if(array.length == 0) return null;
+        return (E) array[NormalizationUtil.normalize(n.getNoise(x, z), array.length, 1)];
+    }
+
+    public int getTotalProbability() {
+        return array.length;
+    }
+
+    public int size() {
+        return size;
+    }
+}
@@ -0,0 +1,123 @@
+package com.dfsek.terra.api.math;
+
+import net.jafama.FastMath;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Iterator;
+import java.util.Random;
+
+public class Range implements Iterable<Integer> {
+    private int min;
+    private int max;
+
+    public Range(int min, int max) {
+        if(min > max) throw new IllegalArgumentException("Minimum must not be grater than maximum!");
+        this.max = max;
+        this.min = min;
+    }
+
+    public boolean isInRange(int test) {
+        return test >= min && test < max;
+    }
+
+    public int getMax() {
+        return max;
+    }
+
+    public com.dfsek.terra.api.math.Range setMax(int max) {
+        this.max = max;
+        return this;
+    }
+
+    public int getMin() {
+        return min;
+    }
+
+    public com.dfsek.terra.api.math.Range setMin(int min) {
+        this.min = min;
+        return this;
+    }
+
+    public int getRange() {
+        return max - min;
+    }
+
+    public com.dfsek.terra.api.math.Range multiply(int mult) {
+        min *= mult;
+        max *= mult;
+        return this;
+    }
+
+    public com.dfsek.terra.api.math.Range reflect(int pt) {
+        return new com.dfsek.terra.api.math.Range(2 * pt - this.getMax(), 2 * pt - this.getMin());
+    }
+
+    public int get(Random r) {
+        return r.nextInt((max - min) + 1) + min;
+    }
+
+    public com.dfsek.terra.api.math.Range intersects(com.dfsek.terra.api.math.Range other) {
+        try {
+            return new com.dfsek.terra.api.math.Range(FastMath.max(this.getMin(), other.getMin()), FastMath.min(this.getMax(), other.getMax()));
+        } catch(IllegalArgumentException e) {
+            return null;
+        }
+    }
+
+    public com.dfsek.terra.api.math.Range add(int add) {
+        this.min += add;
+        this.max += add;
+        return this;
+    }
+
+    public com.dfsek.terra.api.math.Range sub(int sub) {
+        this.min -= sub;
+        this.max -= sub;
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        return "Min: " + getMin() + ", Max:" + getMax();
+    }
+
+    @Override
+    public int hashCode() {
+        return min * 31 + max;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if(!(obj instanceof com.dfsek.terra.api.math.Range)) return false;
+        com.dfsek.terra.api.math.Range other = (com.dfsek.terra.api.math.Range) obj;
+        return other.getMin() == this.getMin() && other.getMax() == this.getMax();
+    }
+
+    @NotNull
+    @Override
+    public Iterator<Integer> iterator() {
+        return new RangeIterator(this);
+    }
+
+    private static class RangeIterator implements Iterator<Integer> {
+        private final com.dfsek.terra.api.math.Range m;
+        private Integer current;
+
+        public RangeIterator(com.dfsek.terra.api.math.Range m) {
+            this.m = m;
+            current = m.getMin();
+        }
+
+        @Override
+        public boolean hasNext() {
+            return current < m.getMax();
+        }
+
+        @Override
+        public Integer next() {
+            current++;
+            return current - 1;
+        }
+    }
+}
+
@@ -0,0 +1,163 @@
+package com.dfsek.terra.api.math.vector;
+
+import com.dfsek.terra.api.platform.block.Block;
+import com.dfsek.terra.api.platform.world.World;
+
+import java.util.Objects;
+
+public class Location implements Cloneable {
+    private World world;
+    private Vector3 vector;
+    private double pitch;
+    private double yaw;
+
+    public Location(World w, double x, double y, double z) {
+        this.world = w;
+        this.vector = new Vector3(x, y, z);
+    }
+
+    public Location(World w, Vector3 vector) {
+        this.world = w;
+        this.vector = vector;
+    }
+
+    public void setWorld(World world) {
+        this.world = world;
+    }
+
+    public Vector3 getVector() {
+        return vector;
+    }
+
+    public void setVector(Vector3 vector) {
+        this.vector = vector;
+    }
+
+    @Override
+    public Location clone() {
+        try {
+            Location other = (Location) super.clone();
+            other.setVector(other.getVector().clone());
+            return other;
+        } catch(CloneNotSupportedException e) {
+            throw new Error(e);
+        }
+    }
+
+    public int getBlockX() {
+        return vector.getBlockX();
+    }
+
+    public int getBlockY() {
+        return vector.getBlockY();
+    }
+
+    public int getBlockZ() {
+        return vector.getBlockZ();
+    }
+
+    public double getY() {
+        return vector.getY();
+    }
+
+    public Location setY(double y) {
+        vector.setY(y);
+        return this;
+    }
+
+    public double getX() {
+        return vector.getX();
+    }
+
+    public Location setX(double x) {
+        vector.setX(x);
+        return this;
+    }
+
+    public double getZ() {
+        return vector.getZ();
+    }
+
+    public Location setZ(double z) {
+        vector.setZ(z);
+        return this;
+    }
+
+    public World getWorld() {
+        return world;
+    }
+
+    public Location add(double x, double y, double z) {
+        vector.add(x, y, z);
+        return this;
+    }
+
+    public Block getBlock() {
+        return world.getBlockAt(this);
+    }
+
+    public Location subtract(int x, int y, int z) {
+        vector.subtract(x, y, z);
+        return this;
+    }
+
+    public Location add(Vector3 add) {
+        vector.add(add);
+        return this;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if(!(obj instanceof Location)) {
+            return false;
+        }
+        final Location other = (Location) obj;
+
+        World world = this.world;
+        World otherWorld = other.world;
+        if(!Objects.equals(world, otherWorld)) {
+            return false;
+        }
+        if(Double.doubleToLongBits(this.vector.getX()) != Double.doubleToLongBits(other.vector.getX())) {
+            return false;
+        }
+        if(Double.doubleToLongBits(this.vector.getY()) != Double.doubleToLongBits(other.vector.getY())) {
+            return false;
+        }
+        return Double.doubleToLongBits(this.vector.getZ()) == Double.doubleToLongBits(other.vector.getZ());
+    }
+
+    public double getPitch() {
+        return pitch;
+    }
+
+    public void setPitch(double pitch) {
+        this.pitch = pitch;
+    }
+
+    public double getYaw() {
+        return yaw;
+    }
+
+    public void setYaw(double yaw) {
+        this.yaw = yaw;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 3;
+
+        World world = (this.world == null) ? null : this.world;
+        hash = 19 * hash + (world != null ? world.hashCode() : 0);
+        hash = 19 * hash + (int) (Double.doubleToLongBits(this.vector.getX()) ^ (Double.doubleToLongBits(this.vector.getX()) >>> 32));
+        hash = 19 * hash + (int) (Double.doubleToLongBits(this.vector.getY()) ^ (Double.doubleToLongBits(this.vector.getY()) >>> 32));
+        hash = 19 * hash + (int) (Double.doubleToLongBits(this.vector.getZ()) ^ (Double.doubleToLongBits(this.vector.getZ()) >>> 32));
+        hash = 19 * hash + (int) (Double.doubleToLongBits(this.pitch) ^ Double.doubleToLongBits(this.pitch) >>> 32);
+        hash = 19 * hash + (int) (Double.doubleToLongBits(this.yaw) ^ Double.doubleToLongBits(this.yaw) >>> 32);
+        return hash;
+    }
+
+    public Vector3 toVector() {
+        return vector.clone();
+    }
+}
@@ -1,4 +1,4 @@
-package com.dfsek.terra.procgen.math;
+package com.dfsek.terra.api.math.vector;

 import net.jafama.FastMath;

@@ -0,0 +1,344 @@
+package com.dfsek.terra.api.math.vector;
+
+import com.dfsek.terra.api.platform.world.World;
+import net.jafama.FastMath;
+import org.jetbrains.annotations.NotNull;
+
+public class Vector3 implements Cloneable {
+
+    /**
+     * Threshold for fuzzy equals().
+     */
+    private static final double epsilon = 0.000001;
+
+    private double x;
+    private double y;
+    private double z;
+
+    public Vector3(double x, double y, double z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+
+    /**
+     * Get the threshold used for equals().
+     *
+     * @return The epsilon.
+     */
+    public static double getEpsilon() {
+        return epsilon;
+    }
+
+    public double getZ() {
+        return z;
+    }
+
+    public Vector3 setZ(double z) {
+        this.z = z;
+        return this;
+    }
+
+    public double getX() {
+        return x;
+    }
+
+    public Vector3 setX(double x) {
+        this.x = x;
+        return this;
+    }
+
+    public double getY() {
+        return y;
+    }
+
+    public Vector3 setY(double y) {
+        this.y = y;
+        return this;
+    }
+
+    public int getBlockX() {
+        return FastMath.floorToInt(x);
+    }
+
+    public int getBlockY() {
+        return FastMath.floorToInt(y);
+    }
+
+    public int getBlockZ() {
+        return FastMath.floorToInt(z);
+    }
+
+    public Vector3 multiply(double m) {
+        x *= m;
+        y *= m;
+        z *= m;
+        return this;
+    }
+
+    public Vector3 add(double x, double y, double z) {
+        this.x += x;
+        this.y += y;
+        this.z += z;
+        return this;
+    }
+
+    public Vector3 add(Vector3 other) {
+        this.x += other.getX();
+        this.y += other.getY();
+        this.z += other.getZ();
+        return this;
+    }
+
+    public Vector3 add(Vector2 other) {
+        this.x += other.getX();
+        this.z += other.getZ();
+        return this;
+    }
+
+    public double lengthSquared() {
+        return x * x + y * y + z * z;
+    }
+
+    @Override
+    public Vector3 clone() {
+        try {
+            return (Vector3) super.clone();
+        } catch(CloneNotSupportedException e) {
+            throw new Error(e);
+        }
+    }
+
+    public double length() {
+        return FastMath.sqrt(lengthSquared());
+    }
+
+    /**
+     * Returns if a vector is normalized
+     *
+     * @return whether the vector is normalised
+     */
+    public boolean isNormalized() {
+        return Math.abs(this.lengthSquared() - 1) < getEpsilon();
+    }
+
+    /**
+     * Rotates the vector around the x axis.
+     * <p>
+     * This piece of math is based on the standard rotation matrix for vectors
+     * in three dimensional space. This matrix can be found here:
+     * <a href="https://en.wikipedia.org/wiki/Rotation_matrix#Basic_rotations">Rotation
+     * Matrix</a>.
+     *
+     * @param angle the angle to rotate the vector about. This angle is passed
+     *              in radians
+     * @return the same vector
+     */
+    @NotNull
+    public Vector3 rotateAroundX(double angle) {
+        double angleCos = Math.cos(angle);
+        double angleSin = Math.sin(angle);
+
+        double y = angleCos * getY() - angleSin * getZ();
+        double z = angleSin * getY() + angleCos * getZ();
+        return setY(y).setZ(z);
+    }
+
+    /**
+     * Rotates the vector around the y axis.
+     * <p>
+     * This piece of math is based on the standard rotation matrix for vectors
+     * in three dimensional space. This matrix can be found here:
+     * <a href="https://en.wikipedia.org/wiki/Rotation_matrix#Basic_rotations">Rotation
+     * Matrix</a>.
+     *
+     * @param angle the angle to rotate the vector about. This angle is passed
+     *              in radians
+     * @return the same vector
+     */
+    @NotNull
+    public Vector3 rotateAroundY(double angle) {
+        double angleCos = Math.cos(angle);
+        double angleSin = Math.sin(angle);
+
+        double x = angleCos * getX() + angleSin * getZ();
+        double z = -angleSin * getX() + angleCos * getZ();
+        return setX(x).setZ(z);
+    }
+
+    /**
+     * Rotates the vector around the z axis
+     * <p>
+     * This piece of math is based on the standard rotation matrix for vectors
+     * in three dimensional space. This matrix can be found here:
+     * <a href="https://en.wikipedia.org/wiki/Rotation_matrix#Basic_rotations">Rotation
+     * Matrix</a>.
+     *
+     * @param angle the angle to rotate the vector about. This angle is passed
+     *              in radians
+     * @return the same vector
+     */
+    @NotNull
+    public Vector3 rotateAroundZ(double angle) {
+        double angleCos = Math.cos(angle);
+        double angleSin = Math.sin(angle);
+
+        double x = angleCos * getX() - angleSin * getY();
+        double y = angleSin * getX() + angleCos * getY();
+        return setX(x).setY(y);
+    }
+
+    /**
+     * Get the distance between this vector and another. The value of this
+     * method is not cached and uses a costly square-root function, so do not
+     * repeatedly call this method to get the vector's magnitude. NaN will be
+     * returned if the inner result of the sqrt() function overflows, which
+     * will be caused if the distance is too long.
+     *
+     * @param o The other vector
+     * @return the distance
+     */
+    public double distance(@NotNull Vector3 o) {
+        return FastMath.sqrt(FastMath.pow2(x - o.x) + FastMath.pow2(y - o.y) + FastMath.pow2(z - o.z));
+    }
+
+    /**
+     * Get the squared distance between this vector and another.
+     *
+     * @param o The other vector
+     * @return the distance
+     */
+    public double distanceSquared(@NotNull Vector3 o) {
+        return FastMath.pow2(x - o.x) + FastMath.pow2(y - o.y) + FastMath.pow2(z - o.z);
+    }
+
+    /**
+     * Rotates the vector around a given arbitrary axis in 3 dimensional space.
+     *
+     * <p>
+     * Rotation will follow the general Right-Hand-Rule, which means rotation
+     * will be counterclockwise when the axis is pointing towards the observer.
+     * <p>
+     * This method will always make sure the provided axis is a unit vector, to
+     * not modify the length of the vector when rotating.
+     *
+     * @param axis  the axis to rotate the vector around. If the passed vector is
+     *              not of length 1, it gets copied and normalized before using it for the
+     *              rotation. Please use {@link Vector3#normalize()} on the instance before
+     *              passing it to this method
+     * @param angle the angle to rotate the vector around the axis
+     * @return the same vector
+     * @throws IllegalArgumentException if the provided axis vector instance is
+     *                                  null
+     */
+    @NotNull
+    public Vector3 rotateAroundAxis(@NotNull Vector3 axis, double angle) throws IllegalArgumentException {
+        return rotateAroundNonUnitAxis(axis.isNormalized() ? axis : axis.clone().normalize(), angle);
+    }
+
+    /**
+     * Rotates the vector around a given arbitrary axis in 3 dimensional space.
+     *
+     * <p>
+     * Rotation will follow the general Right-Hand-Rule, which means rotation
+     * will be counterclockwise when the axis is pointing towards the observer.
+     * <p>
+     * Note that the vector length will change accordingly to the axis vector
+     * length. If the provided axis is not a unit vector, the rotated vector
+     * will not have its previous length. The scaled length of the resulting
+     * vector will be related to the axis vector.
+     *
+     * @param axis  the axis to rotate the vector around.
+     * @param angle the angle to rotate the vector around the axis
+     * @return the same vector
+     * @throws IllegalArgumentException if the provided axis vector instance is
+     *                                  null
+     */
+    @NotNull
+    public Vector3 rotateAroundNonUnitAxis(@NotNull Vector3 axis, double angle) throws IllegalArgumentException {
+        double x = getX(), y = getY(), z = getZ();
+        double x2 = axis.getX(), y2 = axis.getY(), z2 = axis.getZ();
+
+        double cosTheta = Math.cos(angle);
+        double sinTheta = Math.sin(angle);
+        double dotProduct = this.dot(axis);
+
+        double xPrime = x2 * dotProduct * (1d - cosTheta)
+                + x * cosTheta
+                + (-z2 * y + y2 * z) * sinTheta;
+        double yPrime = y2 * dotProduct * (1d - cosTheta)
+                + y * cosTheta
+                + (z2 * x - x2 * z) * sinTheta;
+        double zPrime = z2 * dotProduct * (1d - cosTheta)
+                + z * cosTheta
+                + (-y2 * x + x2 * y) * sinTheta;
+
+        return setX(xPrime).setY(yPrime).setZ(zPrime);
+    }
+
+    /**
+     * Calculates the dot product of this vector with another. The dot product
+     * is defined as x1*x2+y1*y2+z1*z2. The returned value is a scalar.
+     *
+     * @param other The other vector
+     * @return dot product
+     */
+    public double dot(@NotNull Vector3 other) {
+        return x * other.x + y * other.y + z * other.z;
+    }
+
+    public Location toLocation(World world) {
+        return new Location(world, this.clone());
+    }
+
+    public Vector3 normalize() {
+        return this.multiply(1D / this.length());
+    }
+
+    public Vector3 subtract(int x, int y, int z) {
+        this.x -= x;
+        this.y -= y;
+        this.z -= z;
+        return this;
+    }
+
+    public Vector3 subtract(Vector3 end) {
+        x -= end.x;
+        y -= end.y;
+        z -= end.z;
+        return this;
+    }
+
+    /**
+     * Returns a hash code for this vector
+     *
+     * @return hash code
+     */
+    @Override
+    public int hashCode() {
+        int hash = 7;
+
+        hash = 79 * hash + (int) (Double.doubleToLongBits(this.x) ^ (Double.doubleToLongBits(this.x) >>> 32));
+        hash = 79 * hash + (int) (Double.doubleToLongBits(this.y) ^ (Double.doubleToLongBits(this.y) >>> 32));
+        hash = 79 * hash + (int) (Double.doubleToLongBits(this.z) ^ (Double.doubleToLongBits(this.z) >>> 32));
+        return hash;
+    }
+
+    /**
+     * Checks to see if two objects are equal.
+     * <p>
+     * Only two Vectors can ever return true. This method uses a fuzzy match
+     * to account for floating point errors. The epsilon can be retrieved
+     * with epsilon.
+     */
+    @Override
+    public boolean equals(Object obj) {
+        if(!(obj instanceof Vector3)) {
+            return false;
+        }
+
+        Vector3 other = (Vector3) obj;
+
+        return Math.abs(x - other.x) < epsilon && Math.abs(y - other.y) < epsilon && Math.abs(z - other.z) < epsilon && (this.getClass().equals(obj.getClass()));
+    }
+}
@@ -0,0 +1,5 @@
+package com.dfsek.terra.api.platform;
+
+public interface CommandSender extends Handle {
+    void sendMessage(String message);
+}
@@ -0,0 +1,8 @@
+package com.dfsek.terra.api.platform;
+
+/**
+ * An interface that contains a platform delegate.
+ */
+public interface Handle {
+    Object getHandle();
+}
@@ -0,0 +1,41 @@
+package com.dfsek.terra.api.platform;
+
+import com.dfsek.terra.TerraWorld;
+import com.dfsek.terra.api.LoaderRegistrar;
+import com.dfsek.terra.api.lang.Language;
+import com.dfsek.terra.api.platform.handle.ItemHandle;
+import com.dfsek.terra.api.platform.handle.WorldHandle;
+import com.dfsek.terra.api.platform.world.World;
+import com.dfsek.terra.config.base.PluginConfig;
+import com.dfsek.terra.registry.ConfigRegistry;
+
+import java.io.File;
+import java.util.logging.Logger;
+
+public interface TerraPlugin extends LoaderRegistrar {
+    WorldHandle getWorldHandle();
+
+    boolean isEnabled();
+
+    TerraWorld getWorld(World world);
+
+    Logger getLogger();
+
+    PluginConfig getTerraConfig();
+
+    File getDataFolder();
+
+    boolean isDebug();
+
+    Language getLanguage();
+
+    ConfigRegistry getRegistry();
+
+    void reload();
+
+    ItemHandle getItemHandle();
+
+    void saveDefaultConfig();
+
+    String platformName();
+}
@@ -0,0 +1,5 @@
+package com.dfsek.terra.api.platform.block;
+
+public enum Axis {
+    X, Y, Z
+}
@@ -0,0 +1,31 @@
+package com.dfsek.terra.api.platform.block;
+
+import com.dfsek.terra.api.math.vector.Location;
+import com.dfsek.terra.api.platform.Handle;
+import com.dfsek.terra.api.platform.block.state.BlockState;
+
+public interface Block extends Handle {
+    void setBlockData(BlockData data, boolean physics);
+
+    BlockData getBlockData();
+
+    BlockState getState();
+
+    Block getRelative(BlockFace face);
+
+    Block getRelative(BlockFace face, int len);
+
+    boolean isEmpty();
+
+    Location getLocation();
+
+    MaterialData getType();
+
+    int getX();
+
+    int getZ();
+
+    int getY();
+
+    boolean isPassable();
+}
@@ -0,0 +1,11 @@
+package com.dfsek.terra.api.platform.block;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface BlockData extends Cloneable, Handle {
+    MaterialData getMaterial();
+
+    boolean matches(MaterialData materialData);
+
+    BlockData clone();
+}
@@ -0,0 +1,148 @@
+package com.dfsek.terra.api.platform.block;
+
+import com.dfsek.terra.api.math.vector.Vector3;
+import org.jetbrains.annotations.NotNull;
+
+public enum BlockFace {
+    NORTH(0, 0, -1),
+    EAST(1, 0, 0),
+    SOUTH(0, 0, 1),
+    WEST(-1, 0, 0),
+    UP(0, 1, 0),
+    DOWN(0, -1, 0),
+    NORTH_EAST(NORTH, EAST),
+    NORTH_WEST(NORTH, WEST),
+    SOUTH_EAST(SOUTH, EAST),
+    SOUTH_WEST(SOUTH, WEST),
+    WEST_NORTH_WEST(WEST, NORTH_WEST),
+    NORTH_NORTH_WEST(NORTH, NORTH_WEST),
+    NORTH_NORTH_EAST(NORTH, NORTH_EAST),
+    EAST_NORTH_EAST(EAST, NORTH_EAST),
+    EAST_SOUTH_EAST(EAST, SOUTH_EAST),
+    SOUTH_SOUTH_EAST(SOUTH, SOUTH_EAST),
+    SOUTH_SOUTH_WEST(SOUTH, SOUTH_WEST),
+    WEST_SOUTH_WEST(WEST, SOUTH_WEST),
+    SELF(0, 0, 0);
+
+    private final int modX;
+    private final int modY;
+    private final int modZ;
+
+    BlockFace(final int modX, final int modY, final int modZ) {
+        this.modX = modX;
+        this.modY = modY;
+        this.modZ = modZ;
+    }
+
+    BlockFace(final BlockFace face1, final BlockFace face2) {
+        this.modX = face1.getModX() + face2.getModX();
+        this.modY = face1.getModY() + face2.getModY();
+        this.modZ = face1.getModZ() + face2.getModZ();
+    }
+
+    /**
+     * Get the amount of X-coordinates to modify to get the represented block
+     *
+     * @return Amount of X-coordinates to modify
+     */
+    public int getModX() {
+        return modX;
+    }
+
+    /**
+     * Get the amount of Y-coordinates to modify to get the represented block
+     *
+     * @return Amount of Y-coordinates to modify
+     */
+    public int getModY() {
+        return modY;
+    }
+
+    /**
+     * Get the amount of Z-coordinates to modify to get the represented block
+     *
+     * @return Amount of Z-coordinates to modify
+     */
+    public int getModZ() {
+        return modZ;
+    }
+
+    /**
+     * Gets the normal vector corresponding to this block face.
+     *
+     * @return the normal vector
+     */
+    @NotNull
+    public Vector3 getDirection() {
+        Vector3 direction = new Vector3(modX, modY, modZ);
+        if(modX != 0 || modY != 0 || modZ != 0) {
+            direction.normalize();
+        }
+        return direction;
+    }
+
+    @NotNull
+    public BlockFace getOppositeFace() {
+        switch(this) {
+            case NORTH:
+                return BlockFace.SOUTH;
+
+            case SOUTH:
+                return BlockFace.NORTH;
+
+            case EAST:
+                return BlockFace.WEST;
+
+            case WEST:
+                return BlockFace.EAST;
+
+            case UP:
+                return BlockFace.DOWN;
+
+            case DOWN:
+                return BlockFace.UP;
+
+            case NORTH_EAST:
+                return BlockFace.SOUTH_WEST;
+
+            case NORTH_WEST:
+                return BlockFace.SOUTH_EAST;
+
+            case SOUTH_EAST:
+                return BlockFace.NORTH_WEST;
+
+            case SOUTH_WEST:
+                return BlockFace.NORTH_EAST;
+
+            case WEST_NORTH_WEST:
+                return BlockFace.EAST_SOUTH_EAST;
+
+            case NORTH_NORTH_WEST:
+                return BlockFace.SOUTH_SOUTH_EAST;
+
+            case NORTH_NORTH_EAST:
+                return BlockFace.SOUTH_SOUTH_WEST;
+
+            case EAST_NORTH_EAST:
+                return BlockFace.WEST_SOUTH_WEST;
+
+            case EAST_SOUTH_EAST:
+                return BlockFace.WEST_NORTH_WEST;
+
+            case SOUTH_SOUTH_EAST:
+                return BlockFace.NORTH_NORTH_WEST;
+
+            case SOUTH_SOUTH_WEST:
+                return BlockFace.NORTH_NORTH_EAST;
+
+            case WEST_SOUTH_WEST:
+                return BlockFace.EAST_NORTH_EAST;
+
+            case SELF:
+                return BlockFace.SELF;
+        }
+
+        return BlockFace.SELF;
+    }
+}
+
@@ -0,0 +1,17 @@
+package com.dfsek.terra.api.platform.block;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface MaterialData extends Handle {
+    boolean matches(MaterialData other);
+
+    boolean matches(BlockData other);
+
+    boolean isSolid();
+
+    boolean isAir();
+
+    double getMaxDurability();
+
+    BlockData createBlockData();
+}
@@ -0,0 +1,9 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+
+public interface AnaloguePowerable extends BlockData {
+    int getMaximumPower();
+    int getPower();
+    void setPower(int power);
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+
+public interface Bisected extends BlockData {
+    Half getHalf();
+
+    void setHalf(Half half);
+
+    enum Half {
+        /**
+         * The top half of the block, normally with the higher y coordinate.
+         */
+        TOP,
+        /**
+         * The bottom half of the block, normally with the lower y coordinate.
+         */
+        BOTTOM
+    }
+}
@@ -0,0 +1,10 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+import com.dfsek.terra.api.platform.block.BlockFace;
+
+public interface Directional extends BlockData {
+    BlockFace getFacing();
+
+    void setFacing(BlockFace facing);
+}
@@ -0,0 +1,16 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+import com.dfsek.terra.api.platform.block.BlockFace;
+
+import java.util.Set;
+
+public interface MultipleFacing extends BlockData {
+    Set<BlockFace> getFaces();
+
+    void setFace(BlockFace face, boolean facing);
+
+    Set<BlockFace> getAllowedFaces();
+
+    boolean hasFace(BlockFace f);
+}
@@ -0,0 +1,14 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.Axis;
+import com.dfsek.terra.api.platform.block.BlockData;
+
+import java.util.Set;
+
+public interface Orientable extends BlockData {
+    Set<Axis> getAxes();
+
+    Axis getAxis();
+
+    void setAxis(Axis axis);
+}
@@ -0,0 +1,22 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+
+public interface Rail extends BlockData {
+    Shape getShape();
+
+    void setShape(Shape newShape);
+
+    enum Shape {
+        ASCENDING_EAST,
+        ASCENDING_NORTH,
+        ASCENDING_SOUTH,
+        ASCENDING_WEST,
+        EAST_WEST,
+        NORTH_EAST,
+        NORTH_SOUTH,
+        NORTH_WEST,
+        SOUTH_EAST,
+        SOUTH_WEST
+    }
+}
@@ -0,0 +1,15 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+import com.dfsek.terra.api.platform.block.BlockFace;
+
+import java.util.Set;
+
+public interface RedstoneWire extends BlockData, AnaloguePowerable {
+    Set<BlockFace> getAllowedFaces();
+    Connection getFace(BlockFace face);
+    void setFace(BlockFace face, Connection connection);
+    enum Connection {
+        NONE, SIDE, UP
+    }
+}
@@ -0,0 +1,10 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+import com.dfsek.terra.api.platform.block.BlockFace;
+
+public interface Rotatable extends BlockData {
+    BlockFace getRotation();
+
+    void setRotation(BlockFace face);
+}
@@ -0,0 +1,11 @@
+package com.dfsek.terra.api.platform.block.data;
+
+public interface Slab extends Waterlogged {
+    Type getType();
+
+    void setType(Type type);
+
+    enum Type {
+        TOP, BOTTOM, DOUBLE
+    }
+}
@@ -0,0 +1,30 @@
+package com.dfsek.terra.api.platform.block.data;
+
+public interface Stairs extends Waterlogged, Directional, Bisected {
+    Shape getShape();
+
+    void setShape(Shape shape);
+
+    enum Shape {
+        /**
+         * Regular stair block.
+         */
+        STRAIGHT,
+        /**
+         * Inner corner stair block with higher left side.
+         */
+        INNER_LEFT,
+        /**
+         * Inner corner stair block with higher right side.
+         */
+        INNER_RIGHT,
+        /**
+         * Outer corner stair block with higher left side.
+         */
+        OUTER_LEFT,
+        /**
+         * Outer corner stair block with higher right side.
+         */
+        OUTER_RIGHT
+    }
+}
@@ -0,0 +1,15 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+import com.dfsek.terra.api.platform.block.BlockFace;
+
+public interface Wall extends BlockData, Waterlogged {
+    boolean isUp();
+    void setHeight(BlockFace face, Height height);
+    Height getHeight(BlockFace face);
+    void setUp(boolean up);
+
+    enum Height {
+        LOW, NONE, TALL
+    }
+}
@@ -0,0 +1,9 @@
+package com.dfsek.terra.api.platform.block.data;
+
+import com.dfsek.terra.api.platform.block.BlockData;
+
+public interface Waterlogged extends BlockData {
+    boolean isWaterlogged();
+
+    void setWaterlogged(boolean waterlogged);
+}
@@ -0,0 +1,19 @@
+package com.dfsek.terra.api.platform.block.state;
+
+import com.dfsek.terra.api.platform.Handle;
+import com.dfsek.terra.api.platform.block.Block;
+import com.dfsek.terra.api.platform.block.BlockData;
+
+public interface BlockState extends Handle {
+    Block getBlock();
+
+    int getX();
+
+    int getY();
+
+    int getZ();
+
+    BlockData getBlockData();
+
+    boolean update(boolean applyPhysics);
+}
@@ -0,0 +1,6 @@
+package com.dfsek.terra.api.platform.block.state;
+
+import com.dfsek.terra.api.platform.inventory.BlockInventoryHolder;
+
+public interface Container extends BlockState, BlockInventoryHolder {
+}
@@ -0,0 +1,11 @@
+package com.dfsek.terra.api.platform.generator;
+
+import com.dfsek.terra.api.platform.Handle;
+import com.dfsek.terra.api.platform.world.Chunk;
+import com.dfsek.terra.api.platform.world.World;
+
+import java.util.Random;
+
+public interface BlockPopulator extends Handle {
+    void populate(World world, Random random, Chunk chunk);
+}
@@ -0,0 +1,71 @@
+package com.dfsek.terra.api.platform.generator;
+
+import com.dfsek.terra.api.platform.Handle;
+import com.dfsek.terra.api.platform.block.BlockData;
+import com.dfsek.terra.api.platform.world.BiomeGrid;
+import com.dfsek.terra.api.platform.world.World;
+import com.dfsek.terra.api.world.generation.TerraChunkGenerator;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.Random;
+
+public interface ChunkGenerator extends Handle {
+    boolean isParallelCapable();
+
+    boolean shouldGenerateCaves();
+
+    boolean shouldGenerateDecorations();
+
+    boolean shouldGenerateMobs();
+
+    boolean shouldGenerateStructures();
+
+    ChunkData generateChunkData(@NotNull World world, @NotNull Random random, int x, int z, @NotNull BiomeGrid biome);
+
+
+    List<BlockPopulator> getDefaultPopulators(World world);
+
+    @Nullable
+    TerraChunkGenerator getTerraGenerator();
+
+    interface ChunkData {
+        Object getHandle();
+
+        /**
+         * Get the maximum height for the chunk.
+         * <p>
+         * Setting blocks at or above this height will do nothing.
+         *
+         * @return the maximum height
+         */
+        int getMaxHeight();
+
+
+        /**
+         * Set the block at x,y,z in the chunk data to material.
+         * <p>
+         * Setting blocks outside the chunk's bounds does nothing.
+         *
+         * @param x         the x location in the chunk from 0-15 inclusive
+         * @param y         the y location in the chunk from 0 (inclusive) - maxHeight (exclusive)
+         * @param z         the z location in the chunk from 0-15 inclusive
+         * @param blockData the type to set the block to
+         */
+        void setBlock(int x, int y, int z, @NotNull BlockData blockData);
+
+
+        /**
+         * Get the type and data of the block at x, y, z.
+         * <p>
+         * Getting blocks outside the chunk's bounds returns air.
+         *
+         * @param x the x location in the chunk from 0-15 inclusive
+         * @param y the y location in the chunk from 0 (inclusive) - maxHeight (exclusive)
+         * @param z the z location in the chunk from 0-15 inclusive
+         * @return the data of the block or the BlockData for air if x, y or z are outside the chunk's bounds
+         */
+        @NotNull BlockData getBlockData(int x, int y, int z);
+    }
+}
@@ -0,0 +1,6 @@
+package com.dfsek.terra.api.platform.generator;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface GeneratorWrapper extends Handle {
+}
@@ -0,0 +1,8 @@
+package com.dfsek.terra.api.platform.handle;
+
+import com.dfsek.terra.api.platform.block.MaterialData;
+import com.dfsek.terra.api.platform.inventory.ItemStack;
+
+public interface ItemHandle {
+    ItemStack newItemStack(MaterialData material, int amount);
+}
@@ -0,0 +1,26 @@
+package com.dfsek.terra.api.platform.handle;
+
+import com.dfsek.terra.api.platform.block.Block;
+import com.dfsek.terra.api.platform.block.BlockData;
+import com.dfsek.terra.api.platform.block.MaterialData;
+import com.dfsek.terra.api.platform.world.Tree;
+import com.dfsek.terra.api.platform.world.entity.EntityType;
+
+/**
+ * Interface to be implemented for world manipulation.
+ */
+public interface WorldHandle {
+    void setBlockData(Block block, BlockData data, boolean physics);
+
+    BlockData getBlockData(Block block);
+
+    MaterialData getType(Block block);
+
+    BlockData createBlockData(String data);
+
+    MaterialData createMaterialData(String data);
+
+    Tree getTree(String id);
+
+    EntityType getEntity(String id);
+}
@@ -0,0 +1,7 @@
+package com.dfsek.terra.api.platform.inventory;
+
+import com.dfsek.terra.api.platform.block.Block;
+
+public interface BlockInventoryHolder extends InventoryHolder {
+    Block getBlock();
+}
@@ -0,0 +1,11 @@
+package com.dfsek.terra.api.platform.inventory;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface Inventory extends Handle {
+    int getSize();
+
+    ItemStack getItem(int slot);
+
+    void setItem(int slot, ItemStack newStack);
+}
@@ -0,0 +1,7 @@
+package com.dfsek.terra.api.platform.inventory;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface InventoryHolder extends Handle {
+    Inventory getInventory();
+}
@@ -0,0 +1,19 @@
+package com.dfsek.terra.api.platform.inventory;
+
+import com.dfsek.terra.api.platform.Handle;
+import com.dfsek.terra.api.platform.block.MaterialData;
+import com.dfsek.terra.api.platform.inventory.item.ItemMeta;
+
+public interface ItemStack extends Handle, Cloneable {
+    int getAmount();
+
+    void setAmount(int i);
+
+    MaterialData getType();
+
+    ItemStack clone();
+
+    ItemMeta getItemMeta();
+
+    void setItemMeta(ItemMeta meta);
+}
@@ -0,0 +1,11 @@
+package com.dfsek.terra.api.platform.inventory.item;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface Damageable extends Handle {
+    int getDamage();
+
+    void setDamage(int damage);
+
+    boolean hasDamage();
+}
@@ -0,0 +1,6 @@
+package com.dfsek.terra.api.platform.inventory.item;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface ItemMeta extends Handle {
+}
@@ -0,0 +1,4 @@
+/**
+ * API for platform implementations. Mostly interfaces to be implemented by platform delegates.
+ */
+package com.dfsek.terra.api.platform;
@@ -0,0 +1,6 @@
+package com.dfsek.terra.api.platform.world;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface Biome extends Handle {
+}
@@ -0,0 +1,46 @@
+package com.dfsek.terra.api.platform.world;
+
+import com.dfsek.terra.api.platform.Handle;
+import org.jetbrains.annotations.NotNull;
+
+public interface BiomeGrid extends Handle {
+    /**
+     * Get biome at x, z within chunk being generated
+     *
+     * @param x - 0-15
+     * @param z - 0-15
+     * @return Biome value
+     */
+    @NotNull
+    Biome getBiome(int x, int z);
+
+    /**
+     * Get biome at x, z within chunk being generated
+     *
+     * @param x - 0-15
+     * @param y - 0-255
+     * @param z - 0-15
+     * @return Biome value
+     */
+    @NotNull
+    Biome getBiome(int x, int y, int z);
+
+    /**
+     * Set biome at x, z within chunk being generated
+     *
+     * @param x   - 0-15
+     * @param z   - 0-15
+     * @param bio - Biome value
+     */
+    void setBiome(int x, int z, @NotNull Biome bio);
+
+    /**
+     * Set biome at x, z within chunk being generated
+     *
+     * @param x   - 0-15
+     * @param y   - 0-255
+     * @param z   - 0-15
+     * @param bio - Biome value
+     */
+    void setBiome(int x, int y, int z, @NotNull Biome bio);
+}
@@ -0,0 +1,14 @@
+package com.dfsek.terra.api.platform.world;
+
+import com.dfsek.terra.api.platform.Handle;
+import com.dfsek.terra.api.platform.block.Block;
+
+public interface Chunk extends Handle {
+    int getX();
+
+    int getZ();
+
+    World getWorld();
+
+    Block getBlock(int x, int y, int z);
+}
@@ -0,0 +1,6 @@
+package com.dfsek.terra.api.platform.world;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface Tree extends Handle, com.dfsek.terra.api.world.tree.Tree {
+}
@@ -0,0 +1,37 @@
+package com.dfsek.terra.api.platform.world;
+
+import com.dfsek.terra.api.math.vector.Location;
+import com.dfsek.terra.api.platform.Handle;
+import com.dfsek.terra.api.platform.block.Block;
+import com.dfsek.terra.api.platform.generator.ChunkGenerator;
+import com.dfsek.terra.api.platform.world.entity.Entity;
+import com.dfsek.terra.api.platform.world.entity.EntityType;
+
+import java.io.File;
+import java.util.UUID;
+
+public interface World extends Handle {
+    long getSeed();
+
+    int getMaxHeight();
+
+    ChunkGenerator getGenerator();
+
+    String getName();
+
+    UUID getUID();
+
+    boolean isChunkGenerated(int x, int z);
+
+    Chunk getChunkAt(int x, int z);
+
+    File getWorldFolder();
+
+    Block getBlockAt(int x, int y, int z);
+
+    Block getBlockAt(Location l);
+
+    boolean generateTree(Location l, Tree vanillaTreeType);
+
+    Entity spawnEntity(Location location, EntityType entityType);
+}
@@ -0,0 +1,6 @@
+package com.dfsek.terra.api.platform.world.entity;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface Entity extends Handle {
+}
@@ -0,0 +1,6 @@
+package com.dfsek.terra.api.platform.world.entity;
+
+import com.dfsek.terra.api.platform.Handle;
+
+public interface EntityType extends Handle {
+}
@@ -0,0 +1,36 @@
+package com.dfsek.terra.api.profiler;
+
+/**
+ * Class to hold a profiler data value. Contains formatting method to highlight value based on desired range.
+ */
+public class DataHolder {
+    private final long desired;
+    private final DataType type;
+    private final double desiredRangePercent;
+
+    /**
+     * Constructs a DataHolder with a DataType and a desired value, including a percentage around the desired value considered acceptable
+     *
+     * @param type                The type of data held in this instance.
+     * @param desired             The desired value. This should be the average value of whatever is being measured.
+     * @param desiredRangePercent The percentage around the desired value to be considered acceptable.
+     */
+    public DataHolder(DataType type, long desired, double desiredRangePercent) {
+        this.desired = desired;
+        this.type = type;
+        this.desiredRangePercent = desiredRangePercent;
+    }
+
+    /**
+     * Returns a String, formatted with Bungee ChatColors.<br>
+     * GREEN if the value is better than desired and outside of acceptable range.<br>
+     * YELLOW if the value is better or worse than desired, and within acceptable range.<br>
+     * RED if the value is worse than desired and outside of acceptable range.<br>
+     *
+     * @param data The data to format.
+     * @return String - The formatted data.
+     */
+    public String getFormattedData(long data) {
+        return type.getFormatted(data);
+    }
+}
@@ -0,0 +1,24 @@
+package com.dfsek.terra.api.profiler;
+
+import net.jafama.FastMath;
+
+public enum DataType {
+    PERIOD_MILLISECONDS(Desire.LOW, 1000000, "ms"), PERIOD_NANOSECONDS(Desire.LOW, 1, "ns");
+    private final Desire desire;
+    private final long divisor;
+    private final String unit;
+
+    DataType(Desire d, long divisor, String unit) {
+        this.desire = d;
+        this.divisor = divisor;
+        this.unit = unit;
+    }
+
+    public String getFormatted(long value) {
+        return (double) FastMath.round(((double) value / divisor) * 100D) / 100D + unit;
+    }
+
+    public Desire getDesire() {
+        return desire;
+    }
+}
@@ -0,0 +1,10 @@
+package com.dfsek.terra.api.profiler;
+
+
+/**
+ * Enum to represent the "goal" of a value, whether it is desirable for the value to be high (e.g. Frequency), or low (e.g. Period)
+ */
+public enum Desire {
+    LOW, HIGH
+
+}
@@ -0,0 +1,92 @@
+package com.dfsek.terra.api.profiler;
+
+import com.dfsek.terra.api.math.MathUtil;
+import com.dfsek.terra.api.util.GlueList;
+import net.jafama.FastMath;
+
+import java.math.BigInteger;
+import java.util.List;
+
+/**
+ * Class to record and hold all data for a single type of measurement performed by the profiler.
+ */
+public class Measurement {
+    private final List<Long> measurements;
+    private final long desirable;
+    private final DataType type;
+    private long min = Long.MAX_VALUE;
+    private long max = Long.MIN_VALUE;
+
+    /**
+     * Constructs a new Measurement with a desired value and DataType.
+     *
+     * @param desirable The desired value of the measurement.
+     * @param type      The type of data the measurement is holding.
+     */
+    public Measurement(long desirable, DataType type) {
+        this.desirable = desirable;
+        this.type = type;
+        measurements = new GlueList<>();
+    }
+
+    public void record(long value) {
+        max = FastMath.max(value, max);
+        min = FastMath.min(value, min);
+        measurements.add(value);
+    }
+
+    public int size() {
+        return measurements.size();
+    }
+
+    public ProfileFuture beginMeasurement() {
+        ProfileFuture future = new ProfileFuture();
+        long current = System.nanoTime();
+        future.thenRun(() -> record(System.nanoTime() - current));
+        return future;
+    }
+
+    public void reset() {
+        min = Long.MAX_VALUE;
+        max = Long.MIN_VALUE;
+        measurements.clear();
+    }
+
+    public DataHolder getDataHolder() {
+        return new DataHolder(type, desirable, 0.25);
+    }
+
+    public long getMin() {
+        if(min == Long.MAX_VALUE) return 0;
+        return min;
+    }
+
+    public long getMax() {
+        if(max == Long.MIN_VALUE) return 0;
+        return max;
+    }
+
+    public long average() {
+        BigInteger running = new BigInteger("0");
+        List<Long> mTemp = new GlueList<>(measurements);
+        for(Long l : mTemp) {
+            running = running.add(BigInteger.valueOf(l));
+        }
+        if(measurements.size() == 0) return 0;
+        return running.divide(BigInteger.valueOf(measurements.size())).longValue();
+    }
+
+    public double getStdDev() {
+        List<Long> mTemp = new GlueList<>(measurements);
+        double[] vals = new double[mTemp.size()];
+        for(int i = 0; i < mTemp.size(); i++) {
+            vals[i] = mTemp.get(i);
+        }
+        return MathUtil.standardDeviation(vals);
+    }
+
+    public int entries() {
+        return measurements.size();
+    }
+
+}
@@ -0,0 +1,18 @@
+package com.dfsek.terra.api.profiler;
+
+import java.util.concurrent.CompletableFuture;
+
+public class ProfileFuture extends CompletableFuture<Boolean> implements AutoCloseable {
+    public ProfileFuture() {
+        super();
+    }
+
+    public boolean complete() {
+        return super.complete(true);
+    }
+
+    @Override
+    public void close() {
+        this.complete();
+    }
+}
@@ -0,0 +1,81 @@
+package com.dfsek.terra.api.profiler;
+
+import com.dfsek.terra.api.platform.world.World;
+import com.google.common.collect.BiMap;
+import com.google.common.collect.HashBiMap;
+import net.jafama.FastMath;
+
+import java.util.Map;
+
+public class WorldProfiler {
+    private final BiMap<String, Measurement> measures = HashBiMap.create();
+    private final World world;
+    private boolean isProfiling;
+
+    public WorldProfiler(World w) {
+        if(w.getGenerator().getTerraGenerator() == null)
+            throw new IllegalArgumentException("Attempted to instantiate profiler on non-Gaea managed world!");
+        this.addMeasurement(new Measurement(2500000, DataType.PERIOD_MILLISECONDS), "TotalChunkGenTime")
+                .addMeasurement(new Measurement(2500000, DataType.PERIOD_MILLISECONDS), "ChunkBaseGenTime")
+                .addMeasurement(new Measurement(2000000, DataType.PERIOD_MILLISECONDS), "BiomeApplyTime")
+                .addMeasurement(new Measurement(2000000, DataType.PERIOD_MILLISECONDS), "PopulationManagerTime");
+        isProfiling = false;
+        this.world = w;
+    }
+
+    public String getResultsFormatted() {
+        if(! isProfiling) return "Profiler is not currently running.";
+        StringBuilder result = new StringBuilder("Gaea World Profiler Results (Min / Avg / Max / Std Dev): \n");
+        for(Map.Entry<String, Measurement> e : measures.entrySet()) {
+            result
+                    .append(e.getKey())
+                    .append(": ")
+                    .append(e.getValue().getDataHolder().getFormattedData(e.getValue().getMin()))
+                    .append(" / ")
+                    .append(e.getValue().getDataHolder().getFormattedData(e.getValue().average()))
+                    .append(" / ")
+                    .append(e.getValue().getDataHolder().getFormattedData(e.getValue().getMax()))
+                    .append(" / ")
+                    .append((double) FastMath.round((e.getValue().getStdDev() / 1000000) * 100D) / 100D)
+                    .append("ms")
+                    .append(" (x").append(e.getValue().size()).append(")\n");
+        }
+        return result.toString();
+    }
+
+    public void reset() {
+        for(Map.Entry<String, Measurement> e : measures.entrySet()) {
+            e.getValue().reset();
+        }
+    }
+
+    public com.dfsek.terra.api.profiler.WorldProfiler addMeasurement(Measurement m, String name) {
+        measures.put(name, m);
+        return this;
+    }
+
+    public void setMeasurement(String id, long value) {
+        if(isProfiling) measures.get(id).record(value);
+    }
+
+    public ProfileFuture measure(String id) {
+        if(isProfiling) return measures.get(id).beginMeasurement();
+        else return null;
+    }
+
+    public String getID(Measurement m) {
+        return measures.inverse().get(m);
+    }
+
+    public boolean isProfiling() {
+        return isProfiling;
+    }
+
+    public void setProfiling(boolean enabled) {
+        this.isProfiling = enabled;
+    }
+
+    public World getWorld() {
+        return world;
+    }
+}
@@ -0,0 +1,93 @@
+package com.dfsek.terra.api.structures.loot;
+
+import com.dfsek.terra.api.platform.TerraPlugin;
+import com.dfsek.terra.api.platform.block.MaterialData;
+import com.dfsek.terra.api.platform.inventory.ItemStack;
+import com.dfsek.terra.api.structures.loot.functions.AmountFunction;
+import com.dfsek.terra.api.structures.loot.functions.DamageFunction;
+import com.dfsek.terra.api.structures.loot.functions.Function;
+import com.dfsek.terra.api.util.GlueList;
+import net.jafama.FastMath;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Representation of a single item entry within a Loot Table pool.
+ */
+public class Entry {
+    private final MaterialData item;
+    private final long weight;
+    private final List<Function> functions = new GlueList<>();
+    private final TerraPlugin main;
+
+    /**
+     * Instantiates an Entry from a JSON representation.
+     *
+     * @param entry The JSON Object to instantiate from.
+     */
+    public Entry(JSONObject entry, TerraPlugin main) {
+        this.main = main;
+        String id = entry.get("name").toString();
+        this.item = main.getWorldHandle().createMaterialData(id);
+
+        long weight1;
+        try {
+            weight1 = (long) entry.get("weight");
+        } catch(NullPointerException e) {
+            weight1 = 1;
+        }
+
+        this.weight = weight1;
+        if(entry.containsKey("functions")) {
+            for(Object function : (JSONArray) entry.get("functions")) {
+                switch(((String) ((JSONObject) function).get("function"))) {
+                    case "minecraft:set_count":
+                    case "set_count":
+                        Object loot = ((JSONObject) function).get("count");
+                        long max, min;
+                        if(loot instanceof Long) {
+                            max = (Long) loot;
+                            min = (Long) loot;
+                        } else {
+                            max = (long) ((JSONObject) loot).get("max");
+                            min = (long) ((JSONObject) loot).get("min");
+                        }
+                        functions.add(new AmountFunction(FastMath.toIntExact(min), FastMath.toIntExact(max)));
+                        break;
+                    case "minecraft:set_damage":
+                    case "set_damage":
+                        long maxDamage = (long) ((JSONObject) ((JSONObject) function).get("damage")).get("max");
+                        long minDamage = (long) ((JSONObject) ((JSONObject) function).get("damage")).get("min");
+                        functions.add(new DamageFunction(FastMath.toIntExact(minDamage), FastMath.toIntExact(maxDamage)));
+                        break;
+                }
+            }
+        }
+    }
+
+    /**
+     * Fetches a single ItemStack from the Entry, applying all functions to it.
+     *
+     * @param r The Random instance to apply functions with
+     * @return ItemStack - The ItemStack with all functions applied.
+     */
+    public ItemStack getItem(Random r) {
+        ItemStack item = main.getItemHandle().newItemStack(this.item, 1);
+        for(Function f : functions) {
+            item = f.apply(item, r);
+        }
+        return item;
+    }
+
+    /**
+     * Gets the weight attribute of the Entry.
+     *
+     * @return long - The weight of the Entry.
+     */
+    public long getWeight() {
+        return this.weight;
+    }
+}
@@ -0,0 +1,78 @@
+package com.dfsek.terra.api.structures.loot;
+
+import com.dfsek.terra.api.platform.TerraPlugin;
+import com.dfsek.terra.api.platform.inventory.Inventory;
+import com.dfsek.terra.api.platform.inventory.ItemStack;
+import com.dfsek.terra.api.util.GlueList;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Class representation of a Loot Table to populate chest loot.
+ */
+public class LootTable {
+    private final List<Pool> pools = new GlueList<>();
+
+    /**
+     * Instantiates a LootTable from a JSON String.
+     *
+     * @param json The JSON String representing the loot table.
+     * @throws ParseException if malformed JSON is passed.
+     */
+    public LootTable(String json, TerraPlugin main) throws ParseException {
+        JSONParser jsonParser = new JSONParser();
+        Object tableJSON = jsonParser.parse(json);
+        JSONArray poolArray = (JSONArray) ((JSONObject) tableJSON).get("pools");
+        for(Object pool : poolArray) {
+            pools.add(new Pool((JSONObject) pool, main));
+        }
+    }
+
+    /**
+     * Fetches a list of ItemStacks from the loot table using the given Random instance.
+     *
+     * @param r The Random instance to use.
+     * @return List&lt;ItemStack&gt; - The list of loot fetched.
+     */
+    public List<ItemStack> getLoot(Random r) {
+        List<ItemStack> itemList = new GlueList<>();
+        for(Pool pool : pools) {
+            itemList.addAll(pool.getItems(r));
+        }
+        return itemList;
+    }
+
+    /**
+     * Fills an Inventory with loot.
+     *
+     * @param i The Inventory to fill.
+     * @param r The The Random instance to use.
+     */
+    public void fillInventory(Inventory i, Random r) {
+        List<ItemStack> loot = getLoot(r);
+        for(ItemStack stack : loot) {
+            int attempts = 0;
+            while(stack.getAmount() != 0 && attempts < 10) {
+                ItemStack newStack = stack.clone();
+                newStack.setAmount(1);
+                int slot = r.nextInt(i.getSize());
+                ItemStack slotItem = i.getItem(slot);
+                if(slotItem == null) {
+                    i.setItem(slot, newStack);
+                    stack.setAmount(stack.getAmount() - 1);
+                } else if(slotItem.getType().equals(newStack.getType())) {
+                    ItemStack dep = newStack.clone();
+                    dep.setAmount(newStack.getAmount() + slotItem.getAmount());
+                    i.setItem(slot, dep);
+                    stack.setAmount(stack.getAmount() - 1);
+                }
+                attempts++;
+            }
+        }
+    }
+}
@@ -0,0 +1,59 @@
+package com.dfsek.terra.api.structures.loot;
+
+import com.dfsek.terra.api.math.ProbabilityCollection;
+import com.dfsek.terra.api.platform.TerraPlugin;
+import com.dfsek.terra.api.platform.inventory.ItemStack;
+import com.dfsek.terra.api.util.GlueList;
+import net.jafama.FastMath;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+
+import java.util.List;
+import java.util.Random;
+
+/**
+ * Representation of a Loot Table pool, or a set of items to be fetched independently.
+ */
+public class Pool {
+    private final int max;
+    private final int min;
+    private final ProbabilityCollection<Entry> entries;
+
+    /**
+     * Instantiates a Pool from a JSON representation.
+     *
+     * @param pool The JSON Object to instantiate from.
+     */
+    public Pool(JSONObject pool, TerraPlugin main) {
+        entries = new ProbabilityCollection<>();
+        Object amount = pool.get("rolls");
+        if(amount instanceof Long) {
+            max = FastMath.toIntExact((Long) amount);
+            min = FastMath.toIntExact((Long) amount);
+        } else {
+            max = FastMath.toIntExact((Long) ((JSONObject) amount).get("max"));
+            min = FastMath.toIntExact((Long) ((JSONObject) amount).get("min"));
+        }
+
+        for(Object entryJSON : (JSONArray) pool.get("entries")) {
+            Entry entry = new Entry((JSONObject) entryJSON, main);
+            entries.add(entry, FastMath.toIntExact(entry.getWeight()));
+        }
+    }
+
+    /**
+     * Fetches a list of items from the pool using the provided Random instance.
+     *
+     * @param r The Random instance to use.
+     * @return List&lt;ItemStack&gt; - The list of items fetched.
+     */
+    public List<ItemStack> getItems(Random r) {
+
+        int rolls = r.nextInt(max - min + 1) + min;
+        List<ItemStack> items = new GlueList<>();
+        for(int i = 0; i < rolls; i++) {
+            items.add(entries.get(r).getItem(r));
+        }
+        return items;
+    }
+}
@@ -0,0 +1,38 @@
+package com.dfsek.terra.api.structures.loot.functions;
+
+
+import com.dfsek.terra.api.platform.inventory.ItemStack;
+
+import java.util.Random;
+
+/**
+ * Loot Function fot setting the amount of an item.
+ */
+public class AmountFunction implements Function {
+    private final int max;
+    private final int min;
+
+    /**
+     * Instantiates an AmountFunction.
+     *
+     * @param min Minimum amount.
+     * @param max Maximum amount.
+     */
+    public AmountFunction(int min, int max) {
+        this.min = min;
+        this.max = max;
+    }
+
+    /**
+     * Applies the function to an ItemStack.
+     *
+     * @param original The ItemStack on which to apply the function.
+     * @param r        The Random instance to use.
+     * @return - ItemStack - The mutated ItemStack.
+     */
+    @Override
+    public ItemStack apply(ItemStack original, Random r) {
+        original.setAmount(r.nextInt(max - min + 1) + min);
+        return original;
+    }
+}
@@ -0,0 +1,42 @@
+package com.dfsek.terra.api.structures.loot.functions;
+
+import com.dfsek.terra.api.platform.inventory.ItemStack;
+import com.dfsek.terra.api.platform.inventory.item.Damageable;
+import com.dfsek.terra.api.platform.inventory.item.ItemMeta;
+
+import java.util.Random;
+
+/**
+ * Loot Function for setting the damage on items in Loot Tables
+ */
+public class DamageFunction implements Function {
+    private final int max;
+    private final int min;
+
+    /**
+     * Instantiates a DamageFunction.
+     *
+     * @param min Minimum amount of damage (percentage, out of 100)
+     * @param max Maximum amount of damage (percentage, out of 100)
+     */
+    public DamageFunction(int min, int max) {
+        this.min = min;
+        this.max = max;
+    }
+
+    /**
+     * Applies the function to an ItemStack.
+     *
+     * @param original The ItemStack on which to apply the function.
+     * @param r        The Random instance to use.
+     * @return - ItemStack - The mutated ItemStack.
+     */
+    @Override
+    public ItemStack apply(ItemStack original, Random r) {
+        double itemDurability = (r.nextDouble() * (max - min)) + min;
+        Damageable damage = (Damageable) original.getItemMeta();
+        damage.setDamage((int) (original.getType().getMaxDurability() - (itemDurability / 100) * original.getType().getMaxDurability()));
+        original.setItemMeta((ItemMeta) damage);
+        return original;
+    }
+}
@@ -0,0 +1,20 @@
+package com.dfsek.terra.api.structures.loot.functions;
+
+
+import com.dfsek.terra.api.platform.inventory.ItemStack;
+
+import java.util.Random;
+
+/**
+ * Interface for mutating items in Loot Tables.
+ */
+public interface Function {
+    /**
+     * Applies the function to an ItemStack.
+     *
+     * @param original The ItemStack on which to apply the function.
+     * @param r        The Random instance to use.
+     * @return - ItemStack - The mutated ItemStack.
+     */
+    ItemStack apply(ItemStack original, Random r);
+}
@@ -0,0 +1,477 @@
+package com.dfsek.terra.api.structures.parser;
+
+import com.dfsek.terra.api.structures.parser.exceptions.ParseException;
+import com.dfsek.terra.api.structures.parser.lang.Block;
+import com.dfsek.terra.api.structures.parser.lang.Item;
+import com.dfsek.terra.api.structures.parser.lang.Keyword;
+import com.dfsek.terra.api.structures.parser.lang.Returnable;
+import com.dfsek.terra.api.structures.parser.lang.constants.BooleanConstant;
+import com.dfsek.terra.api.structures.parser.lang.constants.ConstantExpression;
+import com.dfsek.terra.api.structures.parser.lang.constants.NumericConstant;
+import com.dfsek.terra.api.structures.parser.lang.constants.StringConstant;
+import com.dfsek.terra.api.structures.parser.lang.functions.Function;
+import com.dfsek.terra.api.structures.parser.lang.functions.FunctionBuilder;
+import com.dfsek.terra.api.structures.parser.lang.functions.builtin.AbsFunction;
+import com.dfsek.terra.api.structures.parser.lang.functions.builtin.PowFunction;
+import com.dfsek.terra.api.structures.parser.lang.functions.builtin.SqrtFunction;
+import com.dfsek.terra.api.structures.parser.lang.keywords.flow.BreakKeyword;
+import com.dfsek.terra.api.structures.parser.lang.keywords.flow.ContinueKeyword;
+import com.dfsek.terra.api.structures.parser.lang.keywords.flow.FailKeyword;
+import com.dfsek.terra.api.structures.parser.lang.keywords.flow.ReturnKeyword;
+import com.dfsek.terra.api.structures.parser.lang.keywords.looplike.ForKeyword;
+import com.dfsek.terra.api.structures.parser.lang.keywords.looplike.IfKeyword;
+import com.dfsek.terra.api.structures.parser.lang.keywords.looplike.WhileKeyword;
+import com.dfsek.terra.api.structures.parser.lang.operations.BinaryOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.BooleanAndOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.BooleanNotOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.BooleanOrOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.ConcatenationOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.DivisionOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.MultiplicationOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.NumberAdditionOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.SubtractionOperation;
+import com.dfsek.terra.api.structures.parser.lang.operations.statements.EqualsStatement;
+import com.dfsek.terra.api.structures.parser.lang.operations.statements.GreaterOrEqualsThanStatement;
+import com.dfsek.terra.api.structures.parser.lang.operations.statements.GreaterThanStatement;
+import com.dfsek.terra.api.structures.parser.lang.operations.statements.LessThanOrEqualsStatement;
+import com.dfsek.terra.api.structures.parser.lang.operations.statements.LessThanStatement;
+import com.dfsek.terra.api.structures.parser.lang.operations.statements.NotEqualsStatement;
+import com.dfsek.terra.api.structures.parser.lang.variables.Assignment;
+import com.dfsek.terra.api.structures.parser.lang.variables.BooleanVariable;
+import com.dfsek.terra.api.structures.parser.lang.variables.Getter;
+import com.dfsek.terra.api.structures.parser.lang.variables.NumberVariable;
+import com.dfsek.terra.api.structures.parser.lang.variables.StringVariable;
+import com.dfsek.terra.api.structures.parser.lang.variables.Variable;
+import com.dfsek.terra.api.structures.tokenizer.Position;
+import com.dfsek.terra.api.structures.tokenizer.Token;
+import com.dfsek.terra.api.structures.tokenizer.Tokenizer;
+import com.dfsek.terra.api.structures.tokenizer.exceptions.TokenizerException;
+import com.dfsek.terra.api.util.GlueList;
+import com.google.common.collect.Sets;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+@SuppressWarnings("unchecked")
+public class Parser {
+    private final String data;
+    private final Map<String, FunctionBuilder<? extends Function<?>>> functions = new HashMap<>();
+    private final Set<String> builtinFunctions = Sets.newHashSet("abs", "sqrt", "pow");
+
+    private String id;
+
+    public Parser(String data) {
+        this.data = data;
+    }
+
+    public Parser addFunction(String name, FunctionBuilder<? extends Function<?>> functionBuilder) {
+        functions.put(name, functionBuilder);
+        return this;
+    }
+
+    public String getID() {
+        return id;
+    }
+
+    /**
+     * Parse input
+     *
+     * @return executable {@link Block}
+     * @throws ParseException If parsing fails.
+     */
+    public Block parse() throws ParseException {
+        Tokenizer tokenizer = new Tokenizer(data);
+
+        TokenHolder tokens = new TokenHolder();
+        try {
+            Token t = tokenizer.fetch();
+            while(t != null) {
+                tokens.add(t);
+                t = tokenizer.fetch();
+            }
+        } catch(TokenizerException e) {
+            throw new ParseException("Failed to tokenize input", new Position(0, 0), e);
+        }
+
+        // Parse ID
+        ParserUtil.checkType(tokens.consume(), Token.Type.ID); // First token must be ID
+        Token idToken = tokens.get();
+        ParserUtil.checkType(tokens.consume(), Token.Type.STRING); // Second token must be string literal containing ID
+        ParserUtil.checkType(tokens.consume(), Token.Type.STATEMENT_END);
+        this.id = idToken.getContent();
+
+        // Check for dangling brackets
+        int blockLevel = 0;
+        for(Token t : tokens.getTokens()) {
+            if(t.getType().equals(Token.Type.BLOCK_BEGIN)) blockLevel++;
+            else if(t.getType().equals(Token.Type.BLOCK_END)) blockLevel--;
+            if(blockLevel < 0) throw new ParseException("Dangling closing brace", t.getPosition());
+        }
+        if(blockLevel != 0)
+            throw new ParseException("Dangling opening brace", tokens.getTokens().get(tokens.getTokens().size() - 1).getPosition());
+
+        return parseBlock(tokens, new HashMap<>(), false);
+    }
+
+
+    private Keyword<?> parseLoopLike(TokenHolder tokens, Map<String, Variable<?>> variableMap, boolean loop) throws ParseException {
+
+        Token identifier = tokens.consume();
+        ParserUtil.checkType(identifier, Token.Type.IF_STATEMENT, Token.Type.WHILE_LOOP, Token.Type.FOR_LOOP);
+
+        ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_BEGIN);
+
+        switch(identifier.getType()) {
+            case FOR_LOOP:
+                return parseForLoop(tokens, variableMap, identifier.getPosition());
+            case IF_STATEMENT:
+                return parseIfStatement(tokens, variableMap, identifier.getPosition(), loop);
+            case WHILE_LOOP:
+                return parseWhileLoop(tokens, variableMap, identifier.getPosition());
+            default:
+                throw new UnsupportedOperationException("Unknown keyword " + identifier.getContent() + ": " + identifier.getPosition());
+        }
+    }
+
+    private WhileKeyword parseWhileLoop(TokenHolder tokens, Map<String, Variable<?>> variableMap, Position start) throws ParseException {
+        Returnable<?> first = parseExpression(tokens, true, variableMap);
+        ParserUtil.checkReturnType(first, Returnable.ReturnType.BOOLEAN);
+
+        ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_END);
+
+        return new WhileKeyword(parseStatementBlock(tokens, variableMap, true), (Returnable<Boolean>) first, start); // While loop
+    }
+
+    private IfKeyword parseIfStatement(TokenHolder tokens, Map<String, Variable<?>> variableMap, Position start, boolean loop) throws ParseException {
+        Returnable<?> condition = parseExpression(tokens, true, variableMap);
+        ParserUtil.checkReturnType(condition, Returnable.ReturnType.BOOLEAN);
+
+        ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_END);
+
+        Block elseBlock = null;
+        Block statement = parseStatementBlock(tokens, variableMap, loop);
+
+        List<IfKeyword.Pair<Returnable<Boolean>, Block>> elseIf = new GlueList<>();
+
+        while(tokens.hasNext() && tokens.get().getType().equals(Token.Type.ELSE)) {
+            tokens.consume(); // Consume else.
+            if(tokens.get().getType().equals(Token.Type.IF_STATEMENT)) {
+                tokens.consume(); // Consume if.
+                Returnable<?> elseCondition = parseExpression(tokens, true, variableMap);
+                ParserUtil.checkReturnType(elseCondition, Returnable.ReturnType.BOOLEAN);
+                elseIf.add(new IfKeyword.Pair<>((Returnable<Boolean>) elseCondition, parseStatementBlock(tokens, variableMap, loop)));
+            } else {
+                elseBlock = parseStatementBlock(tokens, variableMap, loop);
+                break; // Else must be last.
+            }
+        }
+
+        return new IfKeyword(statement, (Returnable<Boolean>) condition, elseIf, elseBlock, start); // If statement
+    }
+
+    private Block parseStatementBlock(TokenHolder tokens, Map<String, Variable<?>> variableMap, boolean loop) throws ParseException {
+
+        if(tokens.get().getType().equals(Token.Type.BLOCK_BEGIN)) {
+            ParserUtil.checkType(tokens.consume(), Token.Type.BLOCK_BEGIN);
+            Block block = parseBlock(tokens, variableMap, loop);
+            ParserUtil.checkType(tokens.consume(), Token.Type.BLOCK_END);
+            return block;
+        } else {
+            Position position = tokens.get().getPosition();
+            Block block = new Block(Collections.singletonList(parseItem(tokens, variableMap, loop)), position);
+            ParserUtil.checkType(tokens.consume(), Token.Type.STATEMENT_END);
+            return block;
+        }
+    }
+
+    private ForKeyword parseForLoop(TokenHolder tokens, Map<String, Variable<?>> old, Position start) throws ParseException {
+        Map<String, Variable<?>> variableMap = new HashMap<>(old); // New scope
+        Token f = tokens.get();
+        ParserUtil.checkType(f, Token.Type.NUMBER_VARIABLE, Token.Type.STRING_VARIABLE, Token.Type.BOOLEAN_VARIABLE, Token.Type.IDENTIFIER);
+        Item<?> initializer;
+        if(f.isVariableDeclaration()) {
+            Variable<?> forVar = parseVariableDeclaration(tokens, ParserUtil.getVariableReturnType(f));
+            ParserUtil.checkType(tokens.consume(), Token.Type.STRING_VARIABLE, Token.Type.BOOLEAN_VARIABLE, Token.Type.NUMBER_VARIABLE);
+            Token name = tokens.get();
+
+            if(functions.containsKey(name.getContent()) || variableMap.containsKey(name.getContent()) || builtinFunctions.contains(name.getContent()))
+                throw new ParseException(name.getContent() + " is already defined in this scope", name.getPosition());
+
+            initializer = parseAssignment(forVar, tokens, variableMap);
+            variableMap.put(name.getContent(), forVar);
+        } else initializer = parseExpression(tokens, true, variableMap);
+        ParserUtil.checkType(tokens.consume(), Token.Type.STATEMENT_END);
+        Returnable<?> conditional = parseExpression(tokens, true, variableMap);
+        ParserUtil.checkReturnType(conditional, Returnable.ReturnType.BOOLEAN);
+        ParserUtil.checkType(tokens.consume(), Token.Type.STATEMENT_END);
+
+        Item<?> incrementer;
+        Token token = tokens.get();
+        if(variableMap.containsKey(token.getContent())) { // Assume variable assignment
+            Variable<?> variable = variableMap.get(token.getContent());
+            incrementer = parseAssignment(variable, tokens, variableMap);
+        } else incrementer = parseFunction(tokens, true, variableMap);
+
+        ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_END);
+
+        return new ForKeyword(parseStatementBlock(tokens, variableMap, true), initializer, (Returnable<Boolean>) conditional, incrementer, start);
+    }
+
+    private Returnable<?> parseExpression(TokenHolder tokens, boolean full, Map<String, Variable<?>> variableMap) throws ParseException {
+        boolean booleanInverted = false; // Check for boolean not operator
+        if(tokens.get().getType().equals(Token.Type.BOOLEAN_NOT)) {
+            booleanInverted = true;
+            tokens.consume();
+        }
+
+        Token id = tokens.get();
+
+        ParserUtil.checkType(id, Token.Type.IDENTIFIER, Token.Type.BOOLEAN, Token.Type.STRING, Token.Type.NUMBER, Token.Type.GROUP_BEGIN);
+
+        Returnable<?> expression;
+        if(id.isConstant()) {
+            expression = parseConstantExpression(tokens);
+        } else if(id.getType().equals(Token.Type.GROUP_BEGIN)) { // Parse grouped expression
+            expression = parseGroup(tokens, variableMap);
+        } else {
+            if(functions.containsKey(id.getContent()) || builtinFunctions.contains(id.getContent()))
+                expression = parseFunction(tokens, false, variableMap);
+            else if(variableMap.containsKey(id.getContent())) {
+                ParserUtil.checkType(tokens.consume(), Token.Type.IDENTIFIER);
+                expression = new Getter(variableMap.get(id.getContent()));
+            } else throw new ParseException("Unexpected token \" " + id.getContent() + "\"", id.getPosition());
+        }
+
+        if(booleanInverted) { // Invert operation if boolean not detected
+            ParserUtil.checkReturnType(expression, Returnable.ReturnType.BOOLEAN);
+            expression = new BooleanNotOperation((Returnable<Boolean>) expression, expression.getPosition());
+        }
+
+        if(full && tokens.get().isBinaryOperator()) { // Parse binary operations
+            return parseBinaryOperation(expression, tokens, variableMap);
+        }
+        return expression;
+    }
+
+    private ConstantExpression<?> parseConstantExpression(TokenHolder tokens) throws ParseException {
+        Token constantToken = tokens.consume();
+        Position position = constantToken.getPosition();
+        switch(constantToken.getType()) {
+            case NUMBER:
+                String content = constantToken.getContent();
+                return new NumericConstant(content.contains(".") ? Double.parseDouble(content) : Integer.parseInt(content), position);
+            case STRING:
+                return new StringConstant(constantToken.getContent(), position);
+            case BOOLEAN:
+                return new BooleanConstant(Boolean.parseBoolean(constantToken.getContent()), position);
+            default:
+                throw new UnsupportedOperationException("Unsupported constant token: " + constantToken.getType() + " at position: " + position);
+        }
+    }
+
+    private Returnable<?> parseGroup(TokenHolder tokens, Map<String, Variable<?>> variableMap) throws ParseException {
+        ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_BEGIN);
+        Returnable<?> expression = parseExpression(tokens, true, variableMap); // Parse inside of group as a separate expression
+        ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_END);
+        return expression;
+    }
+
+
+    private BinaryOperation<?, ?> parseBinaryOperation(Returnable<?> left, TokenHolder tokens, Map<String, Variable<?>> variableMap) throws ParseException {
+        Token binaryOperator = tokens.consume();
+        ParserUtil.checkBinaryOperator(binaryOperator);
+
+        Returnable<?> right = parseExpression(tokens, false, variableMap);
+
+        Token other = tokens.get();
+        if(ParserUtil.hasPrecedence(binaryOperator.getType(), other.getType())) {
+            return assemble(left, parseBinaryOperation(right, tokens, variableMap), binaryOperator);
+        } else if(other.isBinaryOperator()) {
+            return parseBinaryOperation(assemble(left, right, binaryOperator), tokens, variableMap);
+        }
+        return assemble(left, right, binaryOperator);
+    }
+
+    private BinaryOperation<?, ?> assemble(Returnable<?> left, Returnable<?> right, Token binaryOperator) throws ParseException {
+        if(binaryOperator.isStrictNumericOperator())
+            ParserUtil.checkArithmeticOperation(left, right, binaryOperator); // Numeric type checking
+        if(binaryOperator.isStrictBooleanOperator()) ParserUtil.checkBooleanOperation(left, right, binaryOperator); // Boolean type checking
+        switch(binaryOperator.getType()) {
+            case ADDITION_OPERATOR:
+                if(left.returnType().equals(Returnable.ReturnType.NUMBER) && right.returnType().equals(Returnable.ReturnType.NUMBER)) {
+                    return new NumberAdditionOperation((Returnable<Number>) left, (Returnable<Number>) right, binaryOperator.getPosition());
+                }
+                return new ConcatenationOperation((Returnable<Object>) left, (Returnable<Object>) right, binaryOperator.getPosition());
+            case SUBTRACTION_OPERATOR:
+                return new SubtractionOperation((Returnable<Number>) left, (Returnable<Number>) right, binaryOperator.getPosition());
+            case MULTIPLICATION_OPERATOR:
+                return new MultiplicationOperation((Returnable<Number>) left, (Returnable<Number>) right, binaryOperator.getPosition());
+            case DIVISION_OPERATOR:
+                return new DivisionOperation((Returnable<Number>) left, (Returnable<Number>) right, binaryOperator.getPosition());
+            case EQUALS_OPERATOR:
+                return new EqualsStatement((Returnable<Object>) left, (Returnable<Object>) right, binaryOperator.getPosition());
+            case NOT_EQUALS_OPERATOR:
+                return new NotEqualsStatement((Returnable<Object>) left, (Returnable<Object>) right, binaryOperator.getPosition());
+            case GREATER_THAN_OPERATOR:
+                return new GreaterThanStatement((Returnable<Number>) left, (Returnable<Number>) right, binaryOperator.getPosition());
+            case LESS_THAN_OPERATOR:
+                return new LessThanStatement((Returnable<Number>) left, (Returnable<Number>) right, binaryOperator.getPosition());
+            case GREATER_THAN_OR_EQUALS_OPERATOR:
+                return new GreaterOrEqualsThanStatement((Returnable<Number>) left, (Returnable<Number>) right, binaryOperator.getPosition());
+            case LESS_THAN_OR_EQUALS_OPERATOR:
+                return new LessThanOrEqualsStatement((Returnable<Number>) left, (Returnable<Number>) right, binaryOperator.getPosition());
+            case BOOLEAN_AND:
+                return new BooleanAndOperation((Returnable<Boolean>) left, (Returnable<Boolean>) right, binaryOperator.getPosition());
+            case BOOLEAN_OR:
+                return new BooleanOrOperation((Returnable<Boolean>) left, (Returnable<Boolean>) right, binaryOperator.getPosition());
+            default:
+                throw new UnsupportedOperationException("Unsupported binary operator: " + binaryOperator.getType());
+        }
+    }
+
+    private Variable<?> parseVariableDeclaration(TokenHolder tokens, Returnable.ReturnType type) throws ParseException {
+        ParserUtil.checkVarType(tokens.get(), type); // Check for type mismatch
+        switch(type) {
+            case NUMBER:
+                return new NumberVariable(0d, tokens.get().getPosition());
+            case STRING:
+                return new StringVariable("", tokens.get().getPosition());
+            case BOOLEAN:
+                return new BooleanVariable(false, tokens.get().getPosition());
+        }
+        throw new UnsupportedOperationException("Unsupported variable type: " + type);
+    }
+
+    private Block parseBlock(TokenHolder tokens, Map<String, Variable<?>> superVars, boolean loop) throws ParseException {
+        List<Item<?>> parsedItems = new GlueList<>();
+
+        Map<String, Variable<?>> parsedVariables = new HashMap<>(superVars); // New hashmap as to not mutate parent scope's declarations.
+
+        Token first = tokens.get();
+
+        while(tokens.hasNext()) {
+            Token token = tokens.get();
+            if(token.getType().equals(Token.Type.BLOCK_END)) break; // Stop parsing at block end.
+            parsedItems.add(parseItem(tokens, parsedVariables, loop));
+            if(tokens.hasNext() && !token.isLoopLike()) ParserUtil.checkType(tokens.consume(), Token.Type.STATEMENT_END);
+        }
+        return new Block(parsedItems, first.getPosition());
+    }
+
+    private Item<?> parseItem(TokenHolder tokens, Map<String, Variable<?>> variableMap, boolean loop) throws ParseException {
+        Token token = tokens.get();
+        if(loop) ParserUtil.checkType(token, Token.Type.IDENTIFIER, Token.Type.IF_STATEMENT, Token.Type.WHILE_LOOP, Token.Type.FOR_LOOP,
+                Token.Type.NUMBER_VARIABLE, Token.Type.STRING_VARIABLE, Token.Type.BOOLEAN_VARIABLE, Token.Type.RETURN, Token.Type.BREAK, Token.Type.CONTINUE, Token.Type.FAIL);
+        else ParserUtil.checkType(token, Token.Type.IDENTIFIER, Token.Type.IF_STATEMENT, Token.Type.WHILE_LOOP, Token.Type.FOR_LOOP,
+                Token.Type.NUMBER_VARIABLE, Token.Type.STRING_VARIABLE, Token.Type.BOOLEAN_VARIABLE, Token.Type.RETURN, Token.Type.FAIL);
+
+        if(token.isLoopLike()) { // Parse loop-like tokens (if, while, etc)
+            return parseLoopLike(tokens, variableMap, loop);
+        } else if(token.isIdentifier()) { // Parse identifiers
+            if(variableMap.containsKey(token.getContent())) { // Assume variable assignment
+                Variable<?> variable = variableMap.get(token.getContent());
+                return parseAssignment(variable, tokens, variableMap);
+            } else return parseFunction(tokens, true, variableMap);
+        } else if(token.isVariableDeclaration()) {
+            Variable<?> temp = parseVariableDeclaration(tokens, ParserUtil.getVariableReturnType(token));
+
+            ParserUtil.checkType(tokens.consume(), Token.Type.STRING_VARIABLE, Token.Type.BOOLEAN_VARIABLE, Token.Type.NUMBER_VARIABLE);
+            Token name = tokens.get();
+            ParserUtil.checkType(name, Token.Type.IDENTIFIER); // Name must be an identifier.
+
+            if(functions.containsKey(name.getContent()) || variableMap.containsKey(name.getContent()) || builtinFunctions.contains(name.getContent()))
+                throw new ParseException(name.getContent() + " is already defined in this scope", name.getPosition());
+
+            variableMap.put(name.getContent(), temp);
+
+
+            return parseAssignment(temp, tokens, variableMap);
+        } else if(token.getType().equals(Token.Type.RETURN)) return new ReturnKeyword(tokens.consume().getPosition());
+        else if(token.getType().equals(Token.Type.BREAK)) return new BreakKeyword(tokens.consume().getPosition());
+        else if(token.getType().equals(Token.Type.CONTINUE)) return new ContinueKeyword(tokens.consume().getPosition());
+        else if(token.getType().equals(Token.Type.FAIL)) return new FailKeyword(tokens.consume().getPosition());
+        else throw new UnsupportedOperationException("Unexpected token " + token.getType() + ": " + token.getPosition());
+    }
+
+    private Assignment<?> parseAssignment(Variable<?> variable, TokenHolder tokens, Map<String, Variable<?>> variableMap) throws ParseException {
+        Token name = tokens.get();
+
+        ParserUtil.checkType(tokens.consume(), Token.Type.IDENTIFIER);
+
+        ParserUtil.checkType(tokens.consume(), Token.Type.ASSIGNMENT);
+
+        Returnable<?> expression = parseExpression(tokens, true, variableMap);
+
+        ParserUtil.checkReturnType(expression, variable.getType());
+
+        return new Assignment<>((Variable<Object>) variable, (Returnable<Object>) expression, name.getPosition());
+    }
+
+    private Function<?> parseFunction(TokenHolder tokens, boolean fullStatement, Map<String, Variable<?>> variableMap) throws ParseException {
+        Token identifier = tokens.consume();
+        ParserUtil.checkType(identifier, Token.Type.IDENTIFIER); // First token must be identifier
+
+        if(!functions.containsKey(identifier.getContent()) && !builtinFunctions.contains(identifier.getContent()))
+            throw new ParseException("No such function \"" + identifier.getContent() + "\"", identifier.getPosition());
+
+        ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_BEGIN); // Second is body begin
+
+
+        List<Returnable<?>> args = getArgs(tokens, variableMap); // Extract arguments, consume the rest.
+
+        ParserUtil.checkType(tokens.consume(), Token.Type.GROUP_END); // Remove body end
+
+        if(fullStatement) ParserUtil.checkType(tokens.get(), Token.Type.STATEMENT_END);
+
+        if(functions.containsKey(identifier.getContent())) {
+            FunctionBuilder<?> builder = functions.get(identifier.getContent());
+
+            if(builder.argNumber() != -1 && args.size() != builder.argNumber())
+                throw new ParseException("Expected " + builder.argNumber() + " arguments, found " + args.size(), identifier.getPosition());
+
+            for(int i = 0; i < args.size(); i++) {
+                Returnable<?> argument = args.get(i);
+                if(builder.getArgument(i) == null)
+                    throw new ParseException("Unexpected argument at position " + i + " in function " + identifier.getContent(), identifier.getPosition());
+                ParserUtil.checkReturnType(argument, builder.getArgument(i));
+            }
+            return builder.build(args, identifier.getPosition());
+        } else {
+            switch(identifier.getContent()) {
+                case "abs":
+                    ParserUtil.checkReturnType(args.get(0), Returnable.ReturnType.NUMBER);
+                    if(args.size() != 1)
+                        throw new ParseException("Expected 1 argument; found " + args.size(), identifier.getPosition());
+                    return new AbsFunction(identifier.getPosition(), (Returnable<Number>) args.get(0));
+                case "sqrt":
+                    ParserUtil.checkReturnType(args.get(0), Returnable.ReturnType.NUMBER);
+                    if(args.size() != 1)
+                        throw new ParseException("Expected 1 argument; found " + args.size(), identifier.getPosition());
+                    return new SqrtFunction(identifier.getPosition(), (Returnable<Number>) args.get(0));
+                case "pow":
+                    ParserUtil.checkReturnType(args.get(0), Returnable.ReturnType.NUMBER);
+                    ParserUtil.checkReturnType(args.get(1), Returnable.ReturnType.NUMBER);
+                    if(args.size() != 2)
+                        throw new ParseException("Expected 1 argument; found " + args.size(), identifier.getPosition());
+                    return new PowFunction(identifier.getPosition(), (Returnable<Number>) args.get(0), (Returnable<Number>) args.get(1));
+                default:
+                    throw new UnsupportedOperationException("Unsupported function: " + identifier.getContent());
+            }
+        }
+    }
+
+
+    private List<Returnable<?>> getArgs(TokenHolder tokens, Map<String, Variable<?>> variableMap) throws ParseException {
+        List<Returnable<?>> args = new GlueList<>();
+
+        while(!tokens.get().getType().equals(Token.Type.GROUP_END)) {
+            args.add(parseExpression(tokens, true, variableMap));
+            ParserUtil.checkType(tokens.get(), Token.Type.SEPARATOR, Token.Type.GROUP_END);
+            if(tokens.get().getType().equals(Token.Type.SEPARATOR)) tokens.consume();
+        }
+        return args;
+    }
+}
@@ -0,0 +1,88 @@
+package com.dfsek.terra.api.structures.parser;
+
+import com.dfsek.terra.api.structures.parser.exceptions.ParseException;
+import com.dfsek.terra.api.structures.parser.lang.Returnable;
+import com.dfsek.terra.api.structures.tokenizer.Token;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class ParserUtil {
+
+    private static final Map<Token.Type, List<Token.Type>> PRECEDENCE = new HashMap<>();
+    private static final List<Token.Type> ARITHMETIC = Arrays.asList(Token.Type.ADDITION_OPERATOR, Token.Type.SUBTRACTION_OPERATOR, Token.Type.MULTIPLICATION_OPERATOR, Token.Type.DIVISION_OPERATOR);
+    private static final List<Token.Type> COMPARISON = Arrays.asList(Token.Type.EQUALS_OPERATOR, Token.Type.NOT_EQUALS_OPERATOR, Token.Type.LESS_THAN_OPERATOR, Token.Type.LESS_THAN_OR_EQUALS_OPERATOR, Token.Type.GREATER_THAN_OPERATOR, Token.Type.GREATER_THAN_OR_EQUALS_OPERATOR);
+
+    static { // Setup precedence
+        PRECEDENCE.put(Token.Type.ADDITION_OPERATOR, Arrays.asList(Token.Type.MULTIPLICATION_OPERATOR, Token.Type.DIVISION_OPERATOR));
+        PRECEDENCE.put(Token.Type.SUBTRACTION_OPERATOR, Arrays.asList(Token.Type.MULTIPLICATION_OPERATOR, Token.Type.DIVISION_OPERATOR));
+        PRECEDENCE.put(Token.Type.EQUALS_OPERATOR, ARITHMETIC);
+        PRECEDENCE.put(Token.Type.NOT_EQUALS_OPERATOR, ARITHMETIC);
+        PRECEDENCE.put(Token.Type.GREATER_THAN_OPERATOR, ARITHMETIC);
+        PRECEDENCE.put(Token.Type.GREATER_THAN_OR_EQUALS_OPERATOR, ARITHMETIC);
+        PRECEDENCE.put(Token.Type.LESS_THAN_OPERATOR, ARITHMETIC);
+        PRECEDENCE.put(Token.Type.LESS_THAN_OR_EQUALS_OPERATOR, ARITHMETIC);
+        PRECEDENCE.put(Token.Type.BOOLEAN_AND, COMPARISON);
+        PRECEDENCE.put(Token.Type.BOOLEAN_OR, COMPARISON);
+    }
+
+    public static void checkType(Token token, Token.Type... expected) throws ParseException {
+        for(Token.Type type : expected) if(token.getType().equals(type)) return;
+        throw new ParseException("Expected " + Arrays.toString(expected) + " but found " + token.getType(), token.getPosition());
+    }
+
+    public static void checkReturnType(Returnable<?> returnable, Returnable.ReturnType... types) throws ParseException {
+        for(Returnable.ReturnType type : types) if(returnable.returnType().equals(type)) return;
+        throw new ParseException("Expected " + Arrays.toString(types) + " but found " + returnable.returnType(), returnable.getPosition());
+    }
+
+    public static void checkArithmeticOperation(Returnable<?> left, Returnable<?> right, Token operation) throws ParseException {
+        if(!left.returnType().equals(Returnable.ReturnType.NUMBER) || !right.returnType().equals(Returnable.ReturnType.NUMBER)) {
+            throw new ParseException("Operation " + operation.getType() + " not supported between " + left.returnType() + " and " + right.returnType(), operation.getPosition());
+        }
+    }
+
+    public static void checkBooleanOperation(Returnable<?> left, Returnable<?> right, Token operation) throws ParseException {
+        if(!left.returnType().equals(Returnable.ReturnType.BOOLEAN) || !right.returnType().equals(Returnable.ReturnType.BOOLEAN)) {
+            throw new ParseException("Operation " + operation.getType() + " not supported between " + left.returnType() + " and " + right.returnType(), operation.getPosition());
+        }
+    }
+
+    public static void checkVarType(Token token, Returnable.ReturnType returnType) throws ParseException {
+        if(returnType.equals(Returnable.ReturnType.STRING) && token.getType().equals(Token.Type.STRING_VARIABLE)) return;
+        if(returnType.equals(Returnable.ReturnType.NUMBER) && token.getType().equals(Token.Type.NUMBER_VARIABLE)) return;
+        if(returnType.equals(Returnable.ReturnType.BOOLEAN) && token.getType().equals(Token.Type.BOOLEAN_VARIABLE)) return;
+        throw new ParseException("Type mismatch, cannot convert from " + returnType + " to " + token.getType(), token.getPosition());
+    }
+
+    /**
+     * Checks if token is a binary operator
+     *
+     * @param token Token to check
+     * @throws ParseException If token isn't a binary operator
+     */
+    public static void checkBinaryOperator(Token token) throws ParseException {
+        if(!token.isBinaryOperator())
+            throw new ParseException("Expected binary operator, found " + token.getType(), token.getPosition());
+    }
+
+    public static Returnable.ReturnType getVariableReturnType(Token varToken) throws ParseException {
+        switch(varToken.getType()) {
+            case NUMBER_VARIABLE:
+                return Returnable.ReturnType.NUMBER;
+            case STRING_VARIABLE:
+                return Returnable.ReturnType.STRING;
+            case BOOLEAN_VARIABLE:
+                return Returnable.ReturnType.BOOLEAN;
+            default:
+                throw new ParseException("Unexpected token " + varToken.getType() + "; expected variable declaration", varToken.getPosition());
+        }
+    }
+
+    public static boolean hasPrecedence(Token.Type first, Token.Type second) {
+        if(!PRECEDENCE.containsKey(first)) return false;
+        return PRECEDENCE.get(first).contains(second);
+    }
+}
@@ -0,0 +1,59 @@
+package com.dfsek.terra.api.structures.parser;
+
+import com.dfsek.terra.api.structures.parser.exceptions.ParseException;
+import com.dfsek.terra.api.structures.tokenizer.Position;
+import com.dfsek.terra.api.structures.tokenizer.Token;
+import com.dfsek.terra.api.util.GlueList;
+
+import java.util.List;
+
+/**
+ * Data structure to hold tokens, where items are inserted at the top and removed from the bottom.
+ */
+public class TokenHolder {
+    private final List<Token> tokens = new GlueList<>();
+    private Position last;
+
+    /**
+     * Add a token to the top of the stack.
+     *
+     * @param token Token to add
+     */
+    public void add(Token token) {
+        tokens.add(token);
+    }
+
+    /**
+     * Get the token at the bottom of the stack.
+     *
+     * @return First token
+     * @throws ParseException If stack is empty
+     */
+    public Token get() throws ParseException {
+        if(!hasNext()) throw new ParseException("Unexpected end of input", last);
+        Token token = tokens.get(0);
+        last = token.getPosition();
+        return token;
+    }
+
+    /**
+     * Consume (get and remove) the token at the bottom of the stack.
+     *
+     * @return First token
+     * @throws ParseException If stack is empty
+     */
+    public Token consume() throws ParseException {
+        if(!hasNext()) throw new ParseException("Unexpected end of input", last);
+        Token token = tokens.remove(0);
+        last = token.getPosition();
+        return token;
+    }
+
+    public List<Token> getTokens() {
+        return tokens;
+    }
+
+    public boolean hasNext() {
+        return tokens.size() > 0;
+    }
+}
@@ -0,0 +1,26 @@
+package com.dfsek.terra.api.structures.parser.exceptions;
+
+import com.dfsek.terra.api.structures.tokenizer.Position;
+
+public class ParseException extends Exception {
+    private final Position position;
+
+    public ParseException(String message, Position position) {
+        super(message);
+        this.position = position;
+    }
+
+    public ParseException(String message, Position position, Throwable cause) {
+        super(message, cause);
+        this.position = position;
+    }
+
+    @Override
+    public String getMessage() {
+        return super.getMessage() + ": " + position;
+    }
+
+    public Position getPosition() {
+        return position;
+    }
+}
@@ -0,0 +1,71 @@
+package com.dfsek.terra.api.structures.parser.lang;
+
+import com.dfsek.terra.api.structures.structure.Rotation;
+import com.dfsek.terra.api.structures.structure.buffer.Buffer;
+import com.dfsek.terra.api.structures.tokenizer.Position;
+
+import java.util.List;
+import java.util.Random;
+
+public class Block implements Item<Block.ReturnInfo<?>> {
+    private final List<Item<?>> items;
+    private final Position position;
+
+    public Block(List<Item<?>> items, Position position) {
+        this.items = items;
+        this.position = position;
+    }
+
+    public List<Item<?>> getItems() {
+        return items;
+    }
+
+    @Override
+    public synchronized ReturnInfo<?> apply(Buffer buffer, Rotation rotation, Random random, int recursions) {
+        for(Item<?> item : items) {
+            Object result = item.apply(buffer, rotation, random, recursions);
+            if(result instanceof ReturnInfo) {
+                ReturnInfo<?> level = (ReturnInfo<?>) result;
+                if(!level.getLevel().equals(ReturnLevel.NONE)) return level;
+            }
+        }
+        return new ReturnInfo<>(ReturnLevel.NONE, null);
+    }
+
+    @Override
+    public Position getPosition() {
+        return position;
+    }
+
+    public static class ReturnInfo<T> {
+        private final ReturnLevel level;
+        private final T data;
+
+        public ReturnInfo(ReturnLevel level, T data) {
+            this.level = level;
+            this.data = data;
+        }
+
+        public ReturnLevel getLevel() {
+            return level;
+        }
+
+        public T getData() {
+            return data;
+        }
+    }
+
+    public enum ReturnLevel {
+        NONE(false), BREAK(false), CONTINUE(false), RETURN(true), FAIL(true);
+
+        private final boolean returnFast;
+
+        ReturnLevel(boolean returnFast) {
+            this.returnFast = returnFast;
+        }
+
+        public boolean isReturnFast() {
+            return returnFast;
+        }
+    }
+}
@@ -0,0 +1,13 @@
+package com.dfsek.terra.api.structures.parser.lang;
+
+import com.dfsek.terra.api.structures.structure.Rotation;
+import com.dfsek.terra.api.structures.structure.buffer.Buffer;
+import com.dfsek.terra.api.structures.tokenizer.Position;
+
+import java.util.Random;
+
+public interface Item<T> {
+    T apply(Buffer buffer, Rotation rotation, Random random, int recursions);
+
+    Position getPosition();
+}
@@ -0,0 +1,4 @@
+package com.dfsek.terra.api.structures.parser.lang;
+
+public interface Keyword<T> extends Returnable<T> {
+}
@@ -0,0 +1,19 @@
+package com.dfsek.terra.api.structures.parser.lang;
+
+public interface Returnable<T> extends Item<T> {
+    ReturnType returnType();
+
+    enum ReturnType {
+        NUMBER(true), STRING(true), BOOLEAN(false), VOID(false), OBJECT(false);
+
+        private final boolean comparable;
+
+        ReturnType(boolean comparable) {
+            this.comparable = comparable;
+        }
+
+        public boolean isComparable() {
+            return comparable;
+        }
+    }
+}
--- a/Show More
+++ b/Show More