add CraftEngine data provider

* Allow placing datapack structures in Iris worlds

* command for generating configs for datapack structures

* remove the sub dir from the snippet key

build.gradle.kts

@@ -31,13 +31,12 @@ plugins {
     java
     `java-library`
     alias(libs.plugins.shadow)
-    alias(libs.plugins.sentry)
     alias(libs.plugins.download)
     alias(libs.plugins.runPaper)
 }
 
 group = "com.volmit"
-version = "3.7.0-1.20.1-1.21.7"
+version = "3.7.2-1.20.1-1.21.8"
 
 apply<ApiGenerator>()
 
@@ -63,7 +62,7 @@ val serverMinHeap = "2G"
 val serverMaxHeap = "8G"
 //Valid values are: none, truecolor, indexed256, indexed16, indexed8
 val color = "truecolor"
-val errorReporting = false
+val errorReporting = findProperty("errorReporting") as Boolean? ?: false
 
 val nmsBindings = mapOf(
         "v1_21_R5" to "1.21.7-R0.1-SNAPSHOT",
@@ -106,7 +105,7 @@ nmsBindings.forEach { key, value ->
         pluginJars(tasks.jar.flatMap { it.archiveFile })
         javaLauncher = javaToolchains.launcherFor { languageVersion = JavaLanguageVersion.of(jvmVersion.getOrDefault(key, 21))}
         runDirectory.convention(layout.buildDirectory.dir("run/$key"))
-        systemProperty("disable.watchdog", "")
+        systemProperty("disable.watchdog", "true")
         systemProperty("net.kyori.ansi.colorLevel", color)
         systemProperty("com.mojang.eula.agree", true)
         systemProperty("iris.suppressReporting", !errorReporting)
@@ -156,12 +155,13 @@ tasks {
         group = "io.sentry"
         dependsOn("downloadCli")
         doLast {
+            val url = "http://sentry.volmit.com:8080"
             val authToken = project.findProperty("sentry.auth.token") ?: System.getenv("SENTRY_AUTH_TOKEN")
-            val org = "volmit-software"
+            val org = "sentry"
             val projectName = "iris"
-            exec(cli, "releases", "new", "--auth-token", authToken, "-o", org, "-p", projectName, version)
-            exec(cli, "releases", "set-commits", "--auth-token", authToken, "-o", org, "-p", projectName, version, "--auto", "--ignore-missing")
-            exec(cli, "releases", "finalize", "--auth-token", authToken, "-o", org, "-p", projectName, version)
+            exec(cli, "--url", url , "--auth-token", authToken, "releases", "new", "-o", org, "-p", projectName, version)
+            exec(cli, "--url", url , "--auth-token", authToken, "releases", "set-commits", "-o", org, "-p", projectName, version, "--auto", "--ignore-missing")
+            //exec(cli, "--url", url, "--auth-token", authToken, "releases", "finalize", "-o", org, "-p", projectName, version)
             cli.delete()
         }
     }
@@ -195,6 +195,7 @@ allprojects {
         maven("https://mvn.lumine.io/repository/maven-public/") // mythic
         maven("https://nexus.phoenixdevt.fr/repository/maven-public/") //MMOItems
         maven("https://repo.onarandombox.com/content/groups/public/") //Multiverse Core
+        maven("https://repo.momirealms.net/releases/") //CraftEngine
     }
 
     dependencies {
@@ -277,4 +278,4 @@ fun registerCustomOutputTaskUnix(name: String, path: String) {
         into(file(path))
         rename { "Iris.jar" }
     }
-}
+}

core/build.gradle.kts

@@ -1,5 +1,6 @@
-import io.github.slimjar.func.slimjar
+import io.github.slimjar.func.slimjarHelper
 import io.github.slimjar.resolver.data.Mirror
+import org.ajoberstar.grgit.Grgit
 import java.net.URI
 
 /*
@@ -26,6 +27,9 @@ plugins {
     alias(libs.plugins.shadow)
     alias(libs.plugins.sentry)
     alias(libs.plugins.slimjar)
+    alias(libs.plugins.grgit)
+    alias(libs.plugins.kotlin.jvm)
+    alias(libs.plugins.kotlin.lombok)
 }
 
 val apiVersion = "1.19"
@@ -63,9 +67,12 @@ dependencies {
         isTransitive = false
     }
     compileOnly(libs.multiverseCore)
+    compileOnly(libs.craftengine.core)
+    compileOnly(libs.craftengine.bukkit)
+    //compileOnly(libs.sparrowNbt)
 
     // Shaded
-    implementation(slimjar())
+    implementation(slimjarHelper("spigot"))
 
     // Dynamically Loaded
     slim(libs.paralithic)
@@ -79,6 +86,7 @@ dependencies {
     slim(libs.commons.io)
     slim(libs.commons.lang)
     slim(libs.commons.lang3)
+    slim(libs.commons.math3)
     slim(libs.oshi)
     slim(libs.lz4)
     slim(libs.fastutil)
@@ -86,11 +94,23 @@ dependencies {
     slim(libs.zip)
     slim(libs.gson)
     slim(libs.asm)
-    slim(libs.bsf)
-    slim(libs.rhino)
     slim(libs.caffeine)
     slim(libs.byteBuddy.core)
     slim(libs.byteBuddy.agent)
+    slim(libs.dom4j)
+    slim(libs.jaxen)
+
+    // Script Engine
+    slim(libs.kotlin.stdlib)
+    slim(libs.kotlin.coroutines)
+    slim(libs.kotlin.scripting.common)
+    slim(libs.kotlin.scripting.jvm)
+    slim(libs.kotlin.scripting.jvm.host)
+    slim(libs.kotlin.scripting.dependencies.maven) {
+        constraints {
+            slim(libs.mavenCore)
+        }
+    }
 }
 
 java {
@@ -98,10 +118,11 @@ java {
 }
 
 sentry {
+    url = "http://sentry.volmit.com:8080/"
     autoInstallation.enabled = false
     includeSourceContext = true
 
-    org = "volmit-software"
+    org = "sentry"
     projectName = "iris"
     authToken = findProperty("sentry.auth.token") as String? ?: System.getenv("SENTRY_AUTH_TOKEN")
 }
@@ -117,6 +138,13 @@ slimJar {
     relocate("net.kyori", "$lib.kyori")
     relocate("org.bstats", "$lib.metrics")
     relocate("io.sentry", "$lib.sentry")
+    relocate("org.apache.maven", "$lib.maven")
+    relocate("org.codehaus.plexus", "$lib.plexus")
+    relocate("org.eclipse.sisu", "$lib.sisu")
+    relocate("org.eclipse.aether", "$lib.aether")
+    relocate("com.google.inject", "$lib.guice")
+    relocate("org.dom4j", "$lib.dom4j")
+    relocate("org.jaxen", "$lib.jaxen")
 }
 
 tasks {
@@ -137,6 +165,15 @@ tasks {
             "version" to rootProject.version,
             "apiVersion" to apiVersion,
             "main" to main,
+            "environment" to if (project.hasProperty("release")) "production" else "development",
+            "commit" to provider {
+                val res = runCatching { project.extensions.getByType<Grgit>().head().id }
+                res.getOrDefault("")
+                    .takeIf { it.length == 40 } ?: {
+                    logger.error("Git commit hash not found", res.exceptionOrNull())
+                    "unknown"
+                }()
+            },
         )
         filesMatching("**/plugin.yml") {
             expand(inputs.properties)
@@ -147,6 +184,7 @@ tasks {
         mergeServiceFiles()
         //minimize()
         relocate("io.github.slimjar", "$lib.slimjar")
+        exclude("modules/loader-agent.isolated-jar")
     }
 }
 

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

@@ -22,10 +22,10 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonParseException;
 import com.google.gson.JsonParser;
 import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.IrisWorlds;
 import com.volmit.iris.core.ServerConfigurator;
 import com.volmit.iris.core.link.IrisPapiExpansion;
 import com.volmit.iris.core.link.MultiverseCoreLink;
-import com.volmit.iris.core.link.MythicMobsLink;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.v1X.NMSBinding1X;
@@ -66,9 +66,6 @@ import org.bukkit.*;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
-import org.bukkit.configuration.ConfigurationSection;
-import org.bukkit.configuration.file.FileConfiguration;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Player;
 import org.bukkit.event.*;
 import org.bukkit.generator.BiomeProvider;
@@ -82,6 +79,7 @@ import java.io.*;
 import java.lang.annotation.Annotation;
 import java.net.URL;
 import java.util.*;
+import java.util.function.Predicate;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -95,10 +93,10 @@ public class Iris extends VolmitPlugin implements Listener {
     public static Iris instance;
     public static Bindings.Adventure audiences;
     public static MultiverseCoreLink linkMultiverseCore;
-    public static MythicMobsLink linkMythicMobs;
     public static IrisCompat compat;
     public static FileWatcher configWatcher;
     private static VolmitSender sender;
+    private static Thread shutdownHook;
 
     static {
         try {
@@ -438,8 +436,7 @@ public class Iris extends VolmitPlugin implements Listener {
 
     public Iris() {
         instance = this;
-        SlimJar.debug(IrisSettings.get().getSentry().isDebug());
-        SlimJar.load(getDataFolder("cache", "libraries"));
+        SlimJar.load();
     }
 
     private void enable() {
@@ -454,10 +451,10 @@ public class Iris extends VolmitPlugin implements Listener {
         getSender().setTag(getTag());
         IrisSafeguard.splash(true);
         linkMultiverseCore = new MultiverseCoreLink();
-        linkMythicMobs = new MythicMobsLink();
         configWatcher = new FileWatcher(getDataFile("settings.json"));
         services.values().forEach(IrisService::onEnable);
         services.values().forEach(this::registerListener);
+        addShutdownHook();
         J.s(() -> {
             J.a(IrisSafeguard::suggestPaper);
             J.a(() -> IO.delete(getTemp()));
@@ -470,48 +467,52 @@ public class Iris extends VolmitPlugin implements Listener {
             IrisSafeguard.splash(false);
 
             autoStartStudio();
-            checkForBukkitWorlds();
+            checkForBukkitWorlds(s -> true);
             IrisToolbelt.retainMantleDataForSlice(String.class.getCanonicalName());
             IrisToolbelt.retainMantleDataForSlice(BlockData.class.getCanonicalName());
         });
     }
 
-    private void checkForBukkitWorlds() {
-        FileConfiguration fc = new YamlConfiguration();
+    public void addShutdownHook() {
+        if (shutdownHook != null) {
+            Runtime.getRuntime().removeShutdownHook(shutdownHook);
+        }
+        shutdownHook = new Thread(() -> {
+            Bukkit.getWorlds()
+                    .stream()
+                    .map(IrisToolbelt::access)
+                    .filter(Objects::nonNull)
+                    .forEach(PlatformChunkGenerator::close);
+
+            MultiBurst.burst.close();
+            MultiBurst.ioBurst.close();
+            services.clear();
+        });
+        Runtime.getRuntime().addShutdownHook(shutdownHook);
+    }
+
+    public void checkForBukkitWorlds(Predicate<String> filter) {
         try {
-            fc.load(new File("bukkit.yml"));
-            ConfigurationSection section = fc.getConfigurationSection("worlds");
-            if (section == null) {
-                return;
-            }
+            IrisWorlds.readBukkitWorlds().forEach((s, generator) -> {
+                try {
+                    if (Bukkit.getWorld(s) != null || !filter.test(s)) return;
 
-            for (String s : section.getKeys(false)) {
-                ConfigurationSection entry = section.getConfigurationSection(s);
-                if (!entry.contains("generator", true)) {
-                    continue;
+                    Iris.info("Loading World: %s | Generator: %s", s, generator);
+                    var gen = getDefaultWorldGenerator(s, generator);
+                    var dim = loadDimension(s, generator);
+                    assert dim != null && gen != null;
+
+                    Iris.info(C.LIGHT_PURPLE + "Preparing Spawn for " + s + "' using Iris:" + generator + "...");
+                    WorldCreator c = new WorldCreator(s)
+                            .generator(gen)
+                            .environment(dim.getEnvironment());
+                    INMS.get().createWorld(c);
+                    Iris.info(C.LIGHT_PURPLE + "Loaded " + s + "!");
+                } catch (Throwable e) {
+                    Iris.error("Failed to load world " + s + "!");
+                    e.printStackTrace();
                 }
-
-                String generator = entry.getString("generator");
-                if (generator.startsWith("Iris:")) {
-                    generator = generator.split("\\Q:\\E")[1];
-                } else if (generator.equalsIgnoreCase("Iris")) {
-                    generator = IrisSettings.get().getGenerator().getDefaultWorldType();
-                } else {
-                    continue;
-                }
-
-                if (Bukkit.getWorld(s) != null)
-                    continue;
-
-                Iris.info("Loading World: %s | Generator: %s", s, generator);
-
-                Iris.info(C.LIGHT_PURPLE + "Preparing Spawn for " + s + "' using Iris:" + generator + "...");
-                WorldCreator c = new WorldCreator(s)
-                        .generator(getDefaultWorldGenerator(s, generator))
-                        .environment(IrisData.loadAnyDimension(generator).getEnvironment());
-                INMS.get().createWorld(c);
-                Iris.info(C.LIGHT_PURPLE + "Loaded " + s + "!");
-            }
+            });
         } catch (Throwable e) {
             e.printStackTrace();
             reportError(e);
@@ -566,17 +567,7 @@ public class Iris extends VolmitPlugin implements Listener {
         postShutdown.forEach(Runnable::run);
         super.onDisable();
 
-        J.attempt(new JarScanner(instance.getJarFile(), "", false)::scan);
-        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
-            Bukkit.getWorlds()
-                    .stream()
-                    .map(IrisToolbelt::access)
-                    .filter(Objects::nonNull)
-                    .forEach(PlatformChunkGenerator::close);
-
-            MultiBurst.burst.close();
-            services.clear();
-        }));
+        J.attempt(new JarScanner(instance.getJarFile(), "", false)::scanAll);
     }
 
     private void setupPapi() {
@@ -751,7 +742,7 @@ public class Iris extends VolmitPlugin implements Listener {
         String padd2 = Form.repeat(" ", 4);
         String[] info = {"", "", "", "", "", padd2 + C.IRIS + " Iris", padd2 + C.GRAY + " by " + "<rainbow>Volmit Software", padd2 + C.GRAY + " v" + C.IRIS + getDescription().getVersion()};
         if (unstablemode) {
-             info = new String[]{"", "", "", "", "", padd2 + C.RED + " Iris", padd2 + C.GRAY + " by " + C.DARK_RED + "Volmit Software", padd2 + C.GRAY + " v" + C.RED + getDescription().getVersion()};
+            info = new String[]{"", "", "", "", "", padd2 + C.RED + " Iris", padd2 + C.GRAY + " by " + C.DARK_RED + "Volmit Software", padd2 + C.GRAY + " v" + C.RED + getDescription().getVersion()};
         }
         if (warningmode) {
             info = new String[]{"", "", "", "", "", padd2 + C.GOLD + " Iris", padd2 + C.GRAY + " by " + C.GOLD + "Volmit Software", padd2 + C.GRAY + " v" + C.GOLD + getDescription().getVersion()};

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

@@ -23,7 +23,6 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.json.JSONException;
 import com.volmit.iris.util.json.JSONObject;
-import com.volmit.iris.util.misc.SlimJar;
 import com.volmit.iris.util.misc.getHardware;
 import com.volmit.iris.util.plugin.VolmitSender;
 import lombok.AllArgsConstructor;
@@ -50,11 +49,10 @@ public class IrisSettings {
     private IrisSettingsSentry sentry = new IrisSettingsSentry();
 
     public static int getThreadCount(int c) {
-        return switch (c) {
+        return Math.max(switch (c) {
             case -1, -2, -4 -> Runtime.getRuntime().availableProcessors() / -c;
-            case 0, 1, 2 -> 1;
             default -> Math.max(c, 2);
-        };
+        }, 1);
     }
 
     public static IrisSettings get() {
@@ -87,7 +85,6 @@ public class IrisSettings {
                 Iris.error("Configuration Error in settings.json! " + ee.getClass().getSimpleName() + ": " + ee.getMessage());
             }
         }
-        SlimJar.debug(settings.general.debug);
 
         return settings;
     }
@@ -140,6 +137,7 @@ public class IrisSettings {
     @Data
     public static class IrisSettingsConcurrency {
         public int parallelism = -1;
+        public int ioParallelism = -2;
         public int worldGenParallelism = -1;
 
         public int getWorldGenThreads() {
@@ -178,13 +176,13 @@ public class IrisSettings {
 
     @Data
     public static class IrisSettingsUpdater {
-        public double threadMultiplier = 2;
+        public int maxConcurrency = 256;
         public double chunkLoadSensitivity = 0.7;
         public MsRange emptyMsRange = new MsRange(80, 100);
         public MsRange defaultMsRange = new MsRange(20, 40);
 
-        public double getThreadMultiplier() {
-            return Math.min(Math.abs(threadMultiplier), 0.1);
+        public int getMaxConcurrency() {
+            return Math.max(Math.abs(maxConcurrency), 1);
         }
 
         public double getChunkLoadSensitivity() {
@@ -244,6 +242,9 @@ public class IrisSettings {
         public String defaultWorldType = "overworld";
         public int maxBiomeChildDepth = 4;
         public boolean preventLeafDecay = true;
+        public boolean useMulticore = false;
+        public boolean offsetNoiseTypes = false;
+        public boolean earlyCustomBlocks = false;
     }
 
     @Data
@@ -257,6 +258,7 @@ public class IrisSettings {
     @Data
     public static class IrisSettingsEngineSVC {
         public boolean useVirtualThreads = true;
+        public boolean forceMulticoreWrite = false;
         public int priority = Thread.NORM_PRIORITY;
 
         public int getPriority() {

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

@@ -4,10 +4,14 @@ import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gson.reflect.TypeToken;
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.engine.data.cache.AtomicCache;
+import com.volmit.iris.engine.object.IrisDimension;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.io.IO;
+import com.volmit.iris.util.misc.ServerProperties;
 import org.bukkit.Bukkit;
+import org.bukkit.configuration.file.YamlConfiguration;
 
 import java.io.File;
 import java.io.IOException;
@@ -25,6 +29,7 @@ public class IrisWorlds {
 
     private IrisWorlds(KMap<String, String> worlds) {
         this.worlds = worlds;
+        readBukkitWorlds().forEach(this::put0);
         save();
     }
 
@@ -50,14 +55,33 @@ public class IrisWorlds {
     }
 
     public void put(String name, String type) {
-        String old = worlds.put(name, type);
-        if (!type.equals(old))
-            dirty = true;
+        put0(name, type);
         save();
     }
 
-    public Stream<File> getFolders() {
-        return worlds.keySet().stream().map(k -> new File(Bukkit.getWorldContainer(), k));
+    private void put0(String name, String type) {
+        String old = worlds.put(name, type);
+        if (!type.equals(old))
+            dirty = true;
+    }
+
+    public KMap<String, String> getWorlds() {
+        clean();
+        return readBukkitWorlds().put(worlds);
+    }
+
+    public Stream<IrisData> getPacks() {
+        return getDimensions()
+                .map(IrisDimension::getLoader)
+                .filter(Objects::nonNull);
+    }
+
+    public Stream<IrisDimension> getDimensions() {
+        return getWorlds()
+                .entrySet()
+                .stream()
+                .map(entry -> Iris.loadDimension(entry.getKey(), entry.getValue()))
+                .filter(Objects::nonNull);
     }
 
     public void clean() {
@@ -76,4 +100,27 @@ public class IrisWorlds {
             Iris.reportError(e);
         }
     }
+
+    public static KMap<String, String> readBukkitWorlds() {
+        var bukkit = YamlConfiguration.loadConfiguration(ServerProperties.BUKKIT_YML);
+        var worlds = bukkit.getConfigurationSection("worlds");
+        if (worlds == null) return new KMap<>();
+
+        var result = new KMap<String, String>();
+        for (String world : worlds.getKeys(false)) {
+            var gen = worlds.getString(world + ".generator");
+            if (gen == null) continue;
+
+            String loadKey;
+            if (gen.equalsIgnoreCase("iris")) {
+                loadKey = IrisSettings.get().getGenerator().getDefaultWorldType();
+            } else if (gen.startsWith("Iris:")) {
+                loadKey = gen.substring(5);
+            } else continue;
+
+            result.put(world, loadKey);
+        }
+
+        return result;
+    }
 }

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

@@ -103,14 +103,14 @@ public class ServerConfigurator {
         return worlds;
     }
 
-    public static void installDataPacks(boolean fullInstall) {
-        installDataPacks(DataVersion.getDefault(), fullInstall);
+    public static boolean installDataPacks(boolean fullInstall) {
+        return installDataPacks(DataVersion.getDefault(), fullInstall);
     }
 
-    public static void installDataPacks(IDataFixer fixer, boolean fullInstall) {
+    public static boolean installDataPacks(IDataFixer fixer, boolean fullInstall) {
         if (fixer == null) {
             Iris.error("Unable to install datapacks, fixer is null!");
-            return;
+            return false;
         }
         Iris.info("Checking Data Packs...");
         DimensionHeight height = new DimensionHeight(fixer);
@@ -129,11 +129,10 @@ public class ServerConfigurator {
         IrisDimension.writeShared(folders, height);
         Iris.info("Data Packs Setup!");
 
-        if (fullInstall)
-            verifyDataPacksPost(IrisSettings.get().getAutoConfiguration().isAutoRestartOnCustomBiomeInstall());
+        return fullInstall && verifyDataPacksPost(IrisSettings.get().getAutoConfiguration().isAutoRestartOnCustomBiomeInstall());
     }
 
-    private static void verifyDataPacksPost(boolean allowRestarting) {
+    private static boolean verifyDataPacksPost(boolean allowRestarting) {
         try (Stream<IrisData> stream = allPacks()) {
             boolean bad = stream
                     .map(data -> {
@@ -148,7 +147,7 @@ public class ServerConfigurator {
                     })
                     .toList()
                     .contains(true);
-            if (!bad) return;
+            if (!bad) return false;
         }
 
 
@@ -172,6 +171,7 @@ public class ServerConfigurator {
 
             J.sleep(3000);
         }
+        return true;
     }
 
     public static void restart() {
@@ -237,14 +237,13 @@ public class ServerConfigurator {
     }
 
     public static Stream<IrisData> allPacks() {
-        return Stream.concat(listFiles(Iris.instance.getDataFolder("packs")),
-                        IrisWorlds.get().getFolders().map(w -> new File(w, "iris/pack")))
+        return Stream.concat(listFiles(Iris.instance.getDataFolder("packs"))
                 .filter(File::isDirectory)
                 .filter( base -> {
                     var content = new File(base, "dimensions").listFiles();
                     return content != null && content.length > 0;
                 })
-                .map(IrisData::get);
+                .map(IrisData::get), IrisWorlds.get().getPacks());
     }
 
     @Nullable

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

@@ -18,29 +18,41 @@
 
 package com.volmit.iris.core.commands;
 
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.ServerConfigurator;
+import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.datapack.DataVersion;
 import com.volmit.iris.core.service.IrisEngineSVC;
 import com.volmit.iris.core.tools.IrisPackBenchmarking;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IrisDimension;
+import com.volmit.iris.engine.object.annotations.Snippet;
+import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.context.IrisContext;
+import com.volmit.iris.engine.object.IrisJigsawStructurePlacement;
+import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.decree.DecreeExecutor;
 import com.volmit.iris.util.decree.DecreeOrigin;
 import com.volmit.iris.util.decree.annotations.Decree;
 import com.volmit.iris.util.decree.annotations.Param;
+import com.volmit.iris.util.decree.specialhandlers.NullableDimensionHandler;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.io.CountingDataInputStream;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.mantle.TectonicPlate;
 import com.volmit.iris.util.math.M;
+import com.volmit.iris.util.matter.Matter;
 import com.volmit.iris.util.nbt.mca.MCAFile;
 import com.volmit.iris.util.nbt.mca.MCAUtil;
 import com.volmit.iris.util.parallel.MultiBurst;
 import com.volmit.iris.util.plugin.VolmitSender;
+import lombok.SneakyThrows;
 import net.jpountz.lz4.LZ4BlockInputStream;
 import net.jpountz.lz4.LZ4BlockOutputStream;
 import net.jpountz.lz4.LZ4FrameInputStream;
@@ -53,10 +65,13 @@ import org.bukkit.World;
 import java.io.*;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
+import java.nio.file.Files;
 import java.util.*;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
 
@@ -64,7 +79,6 @@ import java.util.zip.GZIPOutputStream;
 public class CommandDeveloper implements DecreeExecutor {
     private CommandTurboPregen turboPregen;
     private CommandLazyPregen lazyPregen;
-    private CommandUpdater updater;
 
     @Decree(description = "Get Loaded TectonicPlates Count", origin = DecreeOrigin.BOTH, sync = true)
     public void EngineStatus() {
@@ -79,6 +93,33 @@ public class CommandDeveloper implements DecreeExecutor {
         Iris.reportError(new Exception("This is a test"));
     }
 
+    @Decree(description = "Test")
+    public void mantle(@Param(defaultValue = "false") boolean plate, @Param(defaultValue = "21474836474") String name) throws Throwable {
+        var base = Iris.instance.getDataFile("dump", "pv." + name + ".ttp.lz4b.bin");
+        var section = Iris.instance.getDataFile("dump", "pv." + name + ".section.bin");
+
+        //extractSection(base, section, 5604930, 4397);
+
+        if (plate) {
+            try (var in = CountingDataInputStream.wrap(new BufferedInputStream(new FileInputStream(base)))) {
+                new TectonicPlate(1088, in, true);
+            } catch (Throwable e) {
+                e.printStackTrace();
+            }
+        } else Matter.read(section);
+        if (!TectonicPlate.hasError())
+            Iris.info("Read " + (plate ? base : section).length() + " bytes from " + (plate ? base : section).getAbsolutePath());
+    }
+
+    private void extractSection(File source, File target, long offset, int length) throws IOException {
+        var raf = new RandomAccessFile(source, "r");
+        var bytes = new byte[length];
+        raf.seek(offset);
+        raf.readFully(bytes);
+        raf.close();
+        Files.write(target.toPath(), bytes);
+    }
+
     @Decree(description = "Test")
     public void dumpThreads() {
         try {
@@ -115,25 +156,128 @@ public class CommandDeveloper implements DecreeExecutor {
         }
     }
 
-    @Decree(description = "Test")
-    public void benchmarkMantle(
-            @Param(description = "The world to bench", aliases = {"world"})
-            World world
-    ) throws IOException, ClassNotFoundException {
-        Engine engine = IrisToolbelt.access(world).getEngine();
-        int maxHeight = engine.getTarget().getHeight();
-        File folder = new File(Bukkit.getWorldContainer(), world.getName());
-        int c = 0;
-        //MCAUtil.read()
-
-        File tectonicplates = new File(folder, "mantle");
-        for (File i : Objects.requireNonNull(tectonicplates.listFiles())) {
-            TectonicPlate.read(maxHeight, i, true);
-            c++;
-            Iris.info("Loaded count: " + c );
-
+    @SneakyThrows
+    @Decree(description = "Generate Iris structures for all loaded datapack structures")
+    public void generateStructures(
+            @Param(description = "The pack to add the generated structures to", aliases = "pack", defaultValue = "---", customHandler = NullableDimensionHandler.class)
+            IrisDimension dimension,
+            @Param(description = "Ignore existing structures", defaultValue = "false")
+            boolean force
+    ) {
+        var map = INMS.get().collectStructures();
+        if (map.isEmpty()) {
+            sender().sendMessage(C.IRIS + "No structures found");
+            return;
         }
 
+        sender().sendMessage(C.IRIS + "Found " + map.size() + " structures");
+
+        final File dataDir;
+        final IrisData data;
+        final Set<String> existingStructures;
+        final Map<String, Set<String>> snippets;
+        final File dimensionFile;
+        final File structuresFolder;
+        final File snippetsFolder;
+
+        var dimensionObj = new JsonObject();
+
+        if (dimension == null) {
+            dataDir = Iris.instance.getDataFolder("structures");
+            IO.delete(dataDir);
+            data = IrisData.get(dataDir);
+            existingStructures = Set.of();
+            snippets = Map.of();
+            dimensionFile = new File(dataDir, "structures.json");
+        } else {
+            data = dimension.getLoader();
+            dataDir = data.getDataFolder();
+            existingStructures = new KSet<>(data.getJigsawStructureLoader().getPossibleKeys());
+
+            dimensionObj = data.getGson().fromJson(IO.readAll(dimension.getLoadFile()), JsonObject.class);
+            snippets = Optional.ofNullable(dimensionObj.getAsJsonArray("jigsawStructures"))
+                    .map(array -> array.asList()
+                            .stream()
+                            .filter(JsonElement::isJsonPrimitive)
+                            .collect(Collectors.toMap(element -> data.getGson()
+                                            .fromJson(element, IrisJigsawStructurePlacement.class)
+                                            .getStructure(),
+                                    element -> Set.of(element.getAsString()),
+                                    KSet::merge)))
+                    .orElse(Map.of());
+
+            dimensionFile = dimension.getLoadFile();
+        }
+        structuresFolder = new File(dataDir, "jigsaw-structures");
+        snippetsFolder = new File(dataDir, "snippet" + "/" + IrisJigsawStructurePlacement.class.getAnnotation(Snippet.class).value());
+
+        var gson = data.getGson();
+        var jigsawStructures = Optional.ofNullable(dimensionObj.getAsJsonArray("jigsawStructures"))
+                .orElse(new JsonArray(map.size()));
+
+        map.forEach((key, placement) -> {
+            String loadKey = "datapack/" + key.namespace() + "/" + key.key();
+            if (existingStructures.contains(loadKey) && !force)
+                return;
+
+            var structures = placement.structures();
+            var obj = placement.toJson(loadKey);
+            if (obj == null || structures.isEmpty()) {
+                sender().sendMessage(C.RED + "Failed to generate hook for " + key);
+                return;
+            }
+            File snippetFile = new File(snippetsFolder, loadKey + ".json");
+            try {
+                IO.writeAll(snippetFile, gson.toJson(obj));
+            } catch (IOException e) {
+                sender().sendMessage(C.RED + "Failed to generate snippet for " + key);
+                e.printStackTrace();
+                return;
+            }
+
+            Set<String> loadKeys = snippets.getOrDefault(loadKey, Set.of(loadKey));
+            jigsawStructures.asList().removeIf(e -> loadKeys.contains((e.isJsonObject() ? e.getAsJsonObject().get("structure") : e).getAsString()));
+            jigsawStructures.add("snippet/" + loadKey);
+
+            String structureKey;
+            if (structures.size() > 1) {
+                KList<String> common = new KList<>();
+                for (int i = 0; i < structures.size(); i++) {
+                    var tags = structures.get(i).tags();
+                    if (i == 0) common.addAll(tags);
+                    else common.removeIf(tag -> !tags.contains(tag));
+                }
+                structureKey = common.isNotEmpty() ? "#" + common.getFirst() : structures.getFirst().key();
+            } else structureKey = structures.getFirst().key();
+
+            JsonArray array = new JsonArray();
+            if (structures.size() > 1) {
+                structures.stream()
+                        .flatMap(structure -> {
+                            String[] arr = new String[structure.weight()];
+                            Arrays.fill(arr, structure.key());
+                            return Arrays.stream(arr);
+                        })
+                        .forEach(array::add);
+            } else array.add(structureKey);
+
+            obj = new JsonObject();
+            obj.addProperty("structureKey", structureKey);
+            obj.add("datapackStructures", array);
+
+            File out = new File(structuresFolder, loadKey + ".json");
+            out.getParentFile().mkdirs();
+            try {
+                IO.writeAll(out, gson.toJson(obj));
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        });
+
+        dimensionObj.add("jigsawStructures", jigsawStructures);
+        IO.writeAll(dimensionFile, gson.toJson(dimensionObj));
+
+        data.hotloaded();
     }
 
     @Decree(description = "Test")

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

@@ -46,18 +46,19 @@ import com.volmit.iris.util.interpolation.InterpolationMethod;
 import com.volmit.iris.util.io.IO;
 import com.volmit.iris.util.json.JSONArray;
 import com.volmit.iris.util.json.JSONObject;
+import com.volmit.iris.util.mantle.MantleChunk;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.math.Spiraler;
 import com.volmit.iris.util.noise.CNG;
-import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
+import com.volmit.iris.util.parallel.SyncExecutor;
 import com.volmit.iris.util.plugin.VolmitSender;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.O;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
-import com.volmit.iris.util.scheduling.jobs.QueueJob;
+import com.volmit.iris.util.scheduling.jobs.ParallelQueueJob;
 import io.papermc.lib.PaperLib;
 import org.bukkit.*;
 import org.bukkit.event.inventory.InventoryType;
@@ -76,8 +77,7 @@ import java.time.temporal.ChronoUnit;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.Objects;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Future;
+import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Supplier;
 
@@ -91,18 +91,19 @@ public class CommandStudio implements DecreeExecutor {
         return duration.toString().substring(2).replaceAll("(\\d[HMS])(?!$)", "$1 ").toLowerCase();
     }
 
+    //TODO fix pack trimming
     @Decree(description = "Download a project.", aliases = "dl")
     public void download(
             @Param(name = "pack", description = "The pack to download", defaultValue = "overworld", aliases = "project")
             String pack,
             @Param(name = "branch", description = "The branch to download from", defaultValue = "master")
             String branch,
-            @Param(name = "trim", description = "Whether or not to download a trimmed version (do not enable when editing)", defaultValue = "false")
-            boolean trim,
+            //@Param(name = "trim", description = "Whether or not to download a trimmed version (do not enable when editing)", defaultValue = "false")
+            //boolean trim,
             @Param(name = "overwrite", description = "Whether or not to overwrite the pack with the downloaded one", aliases = "force", defaultValue = "false")
             boolean overwrite
     ) {
-        new CommandIris().download(pack, branch, trim, overwrite);
+        new CommandIris().download(pack, branch, overwrite);
     }
 
     @Decree(description = "Open a new studio world", aliases = "o", sync = true)
@@ -161,70 +162,93 @@ public class CommandStudio implements DecreeExecutor {
             @Param(name = "radius", description = "The radius of nearby cunks", defaultValue = "5")
             int radius
     ) {
-        if (IrisToolbelt.isIrisWorld(player().getWorld())) {
-            VolmitSender sender = sender();
-            J.a(() -> {
-                DecreeContext.touch(sender);
-                PlatformChunkGenerator plat = IrisToolbelt.access(player().getWorld());
-                Engine engine = plat.getEngine();
-                try {
-                    Chunk cx = player().getLocation().getChunk();
-                    KList<Runnable> js = new KList<>();
-                    BurstExecutor b = MultiBurst.burst.burst();
-                    b.setMulticore(false);
-                    int rad = engine.getMantle().getRadius();
-                    for (int i = -(radius + rad); i <= radius + rad; i++) {
-                        for (int j = -(radius + rad); j <= radius + rad; j++) {
-                            engine.getMantle().getMantle().deleteChunk(i + cx.getX(), j + cx.getZ());
-                        }
-                    }
-
-                    for (int i = -radius; i <= radius; i++) {
-                        for (int j = -radius; j <= radius; j++) {
-                            int finalJ = j;
-                            int finalI = i;
-                            b.queue(() -> plat.injectChunkReplacement(player().getWorld(), finalI + cx.getX(), finalJ + cx.getZ(), (f) -> {
-                                synchronized (js) {
-                                    js.add(f);
-                                }
-                            }));
-                        }
-                    }
-
-                    b.complete();
-                    sender().sendMessage(C.GREEN + "Regenerating " + Form.f(js.size()) + " Sections");
-                    QueueJob<Runnable> r = new QueueJob<>() {
-                        final KList<Future<?>> futures = new KList<>();
-
-                        @Override
-                        public void execute(Runnable runnable) {
-                            futures.add(J.sfut(runnable));
-
-                            if (futures.size() > 64) {
-                                while (futures.isNotEmpty()) {
-                                    try {
-                                        futures.remove(0).get();
-                                    } catch (InterruptedException | ExecutionException e) {
-                                        e.printStackTrace();
-                                    }
-                                }
-                            }
-                        }
-
-                        @Override
-                        public String getName() {
-                            return "Regenerating";
-                        }
-                    };
-                    r.queue(js);
-                    r.execute(sender());
-                } catch (Throwable e) {
-                    sender().sendMessage("Unable to parse view-distance");
-                }
-            });
-        } else {
+        World world = player().getWorld();
+        if (!IrisToolbelt.isIrisWorld(world)) {
             sender().sendMessage(C.RED + "You must be in an Iris World to use regen!");
         }
+
+        VolmitSender sender = sender();
+        var loc = player().getLocation().clone();
+
+        J.a(() -> {
+            DecreeContext.touch(sender);
+            PlatformChunkGenerator plat = IrisToolbelt.access(world);
+            Engine engine = plat.getEngine();
+            try (SyncExecutor executor = new SyncExecutor(20)) {
+                int x = loc.getBlockX() >> 4;
+                int z = loc.getBlockZ() >> 4;
+
+                int rad = engine.getMantle().getRadius();
+                var mantle = engine.getMantle().getMantle();
+                var chunkMap = new KMap<Position2, MantleChunk>();
+                ParallelQueueJob<Position2> prep = new ParallelQueueJob<>() {
+                    @Override
+                    public void execute(Position2 pos) {
+                        var cpos = pos.add(x, z);
+                        if (Math.abs(pos.getX()) <= radius && Math.abs(pos.getZ()) <= radius) {
+                            mantle.deleteChunk(cpos.getX(), cpos.getZ());
+                            return;
+                        }
+                        chunkMap.put(cpos, mantle.getChunk(cpos.getX(), cpos.getZ()));
+                        mantle.deleteChunk(cpos.getX(), cpos.getZ());
+                    }
+
+                    @Override
+                    public String getName() {
+                        return "Preparing Mantle";
+                    }
+                };
+                for (int xx = -(radius + rad); xx <= radius + rad; xx++) {
+                    for (int zz = -(radius + rad); zz <= radius + rad; zz++) {
+                        prep.queue(new Position2(xx, zz));
+                    }
+                }
+                CountDownLatch pLatch = new CountDownLatch(1);
+                prep.execute(sender(), pLatch::countDown);
+                pLatch.await();
+
+
+                ParallelQueueJob<Position2> job = new ParallelQueueJob<>() {
+                    @Override
+                    public void execute(Position2 p) {
+                        plat.injectChunkReplacement(world, p.getX(), p.getZ(), executor);
+                    }
+
+                    @Override
+                    public String getName() {
+                        return "Regenerating";
+                    }
+                };
+                for (int i = -radius; i <= radius; i++) {
+                    for (int j = -radius; j <= radius; j++) {
+                        job.queue(new Position2(i + x, j + z));
+                    }
+                }
+                CountDownLatch latch = new CountDownLatch(1);
+                job.execute(sender(), latch::countDown);
+                latch.await();
+
+                int sections = mantle.getWorldHeight() >> 4;
+                chunkMap.forEach((pos, chunk) -> {
+                    var c = mantle.getChunk(pos.getX(), pos.getZ()).use();
+                    try {
+                        c.copyFlags(chunk);
+                        c.clear();
+                        for (int y = 0; y < sections; y++) {
+                            var slice = chunk.get(y);
+                            if (slice == null) continue;
+                            var s = c.getOrCreate(y);
+                            slice.getSliceMap().forEach(s::putSlice);
+                        }
+                    } finally {
+                        c.release();
+                    }
+                });
+            } catch (Throwable e) {
+                sender().sendMessage("Error while regenerating chunks");
+                e.printStackTrace();
+            }
+        });
     }
 
     @Decree(description = "Convert objects in the \"convert\" folder")
@@ -332,6 +356,42 @@ public class CommandStudio implements DecreeExecutor {
         player().openInventory(inv);
     }
 
+    @Decree(description = "Calculate the chance for each region to generate", origin = DecreeOrigin.PLAYER)
+    public void regions(@Param(description = "The radius in chunks", defaultValue = "500") int radius) {
+        var engine = engine();
+        if (engine == null) {
+            sender().sendMessage(C.RED + "Only works in an Iris world!");
+            return;
+        }
+        var sender = sender();
+        var player = player();
+        Thread.ofVirtual()
+                .start(() -> {
+                    int d = radius * 2;
+                    KMap<String, AtomicInteger> data = new KMap<>();
+                    engine.getDimension().getRegions().forEach(key -> data.put(key, new AtomicInteger(0)));
+                    var multiBurst = new MultiBurst("Region Sampler");
+                    var executor = multiBurst.burst(radius * radius);
+                    sender.sendMessage(C.GRAY + "Generating data...");
+                    var loc = player.getLocation();
+                    int totalTasks = d * d;
+                    AtomicInteger completedTasks = new AtomicInteger(0);
+                    int c = J.ar(() -> sender.sendProgress((double) completedTasks.get() / totalTasks, "Finding regions"), 0);
+                    new Spiraler(d, d, (x, z) -> executor.queue(() -> {
+                        var region = engine.getRegion((x << 4) + 8, (z << 4) + 8);
+                        data.computeIfAbsent(region.getLoadKey(), (k) -> new AtomicInteger(0))
+                                .incrementAndGet();
+                        completedTasks.incrementAndGet();
+                    })).setOffset(loc.getBlockX(), loc.getBlockZ()).drain();
+                    executor.complete();
+                    multiBurst.close();
+                    J.car(c);
+
+                    sender.sendMessage(C.GREEN + "Done!");
+                    var loader = engine.getData().getRegionLoader();
+                    data.forEach((k, v) -> sender.sendMessage(C.GREEN + k + ": " + loader.load(k).getRarity() + " / " + Form.f((double) v.get() / totalTasks * 100, 2) + "%"));
+                });
+    }
 
     @Decree(description = "Get all structures in a radius of chunks", aliases = "dist", origin = DecreeOrigin.PLAYER)
     public void distances(@Param(description = "The radius in chunks") int radius) {
@@ -343,7 +403,7 @@ public class CommandStudio implements DecreeExecutor {
         var sender = sender();
         int d = radius * 2;
         KMap<String, KList<Position2>> data = new KMap<>();
-        var multiBurst = new MultiBurst("Distance Sampler", Thread.MIN_PRIORITY);
+        var multiBurst = new MultiBurst("Distance Sampler");
         var executor = multiBurst.burst(radius * radius);
 
         sender.sendMessage(C.GRAY + "Generating data...");

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

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

core/src/main/java/com/volmit/iris/core/gui/VisionGUI.java

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

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

@@ -1,24 +1,37 @@
 package com.volmit.iris.core.link;
 
+import com.volmit.iris.core.link.data.DataType;
+import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
+import com.volmit.iris.core.nms.container.Pair;
+import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.data.IrisCustomData;
+import com.volmit.iris.util.math.RNG;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import org.bukkit.Bukkit;
+import org.bukkit.Location;
 import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
 import org.bukkit.block.data.BlockData;
+import org.bukkit.entity.Entity;
+import org.bukkit.event.Listener;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.plugin.Plugin;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
 
 @Getter
 @RequiredArgsConstructor
-public abstract class ExternalDataProvider {
+public abstract class ExternalDataProvider implements Listener {
 
     @NonNull
     private final String pluginId;
@@ -53,7 +66,21 @@ public abstract class ExternalDataProvider {
      * @throws MissingResourceException when the blockId is invalid
      */
     @NotNull
-    public abstract BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException;
+    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
+        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+    }
+
+    /**
+     * Retrieves a list of all {@link BlockProperty} objects associated with the specified block identifier.
+     *
+     * @param blockId The identifier of the block whose properties are to be retrieved. Must not be null.
+     * @return A list of {@link BlockProperty} objects representing the properties of the block.
+     * @throws MissingResourceException If the specified block identifier is invalid or cannot be found.
+     */
+    @NotNull
+    public List<BlockProperty> getBlockProperties(@NotNull Identifier blockId) throws MissingResourceException {
+        return List.of();
+    }
 
     /**
      * @see ExternalDataProvider#getItemStack(Identifier)
@@ -73,7 +100,9 @@ public abstract class ExternalDataProvider {
      * @throws MissingResourceException when the itemId is invalid
      */
     @NotNull
-    public abstract ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException;
+    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
+        throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
+    }
 
     /**
      * This method is used for placing blocks that need to use the plugins api
@@ -85,9 +114,57 @@ public abstract class ExternalDataProvider {
      */
     public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {}
 
-    public abstract @NotNull Identifier[] getBlockTypes();
+    /**
+     * Spawns a mob in the specified location using the given engine and entity identifier.
+     *
+     * @param location The location in the world where the mob should spawn. Must not be null.
+     * @param entityId The identifier of the mob entity to spawn. Must not be null.
+     * @return The spawned {@link Entity} if successful, or null if the mob could not be spawned.
+     */
+    @Nullable
+    public Entity spawnMob(@NotNull Location location, @NotNull Identifier entityId) throws MissingResourceException {
+        throw new MissingResourceException("Failed to find Entity!", entityId.namespace(), entityId.key());
+    }
 
-    public abstract @NotNull Identifier[] getItemTypes();
+    public abstract @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType);
 
-    public abstract boolean isValidProvider(@NotNull Identifier id, boolean isItem);
+    public abstract boolean isValidProvider(@NotNull Identifier id, DataType dataType);
+
+    protected static Pair<Float, BlockFace> parseYawAndFace(@NotNull Engine engine, @NotNull Block block, @NotNull KMap<@NotNull String, @NotNull String> state) {
+        float yaw = 0;
+        BlockFace face = BlockFace.NORTH;
+
+        long seed = engine.getSeedManager().getSeed() + Cache.key(block.getX(), block.getZ()) + block.getY();
+        RNG rng = new RNG(seed);
+        if ("true".equals(state.get("randomYaw"))) {
+            yaw = rng.f(0, 360);
+        } else if (state.containsKey("yaw")) {
+            yaw = Float.parseFloat(state.get("yaw"));
+        }
+        if ("true".equals(state.get("randomFace"))) {
+            BlockFace[] faces = BlockFace.values();
+            face = faces[rng.i(0, faces.length - 1)];
+        } else if (state.containsKey("face")) {
+            face = BlockFace.valueOf(state.get("face").toUpperCase());
+        }
+        if (face == BlockFace.SELF) {
+            face = BlockFace.NORTH;
+        }
+
+        return new Pair<>(yaw, face);
+    }
+
+    protected static List<BlockProperty> YAW_FACE_BIOME_PROPERTIES = List.of(
+            BlockProperty.ofEnum(BiomeColor.class, "matchBiome", null),
+            BlockProperty.ofBoolean("randomYaw", false),
+            BlockProperty.ofDouble("yaw", 0, 0, 360f, false, true),
+            BlockProperty.ofBoolean("randomFace", true),
+            new BlockProperty(
+                    "face",
+                    BlockFace.class,
+                    BlockFace.NORTH,
+                    Arrays.asList(BlockFace.values()).subList(0, BlockFace.values().length - 1),
+                    BlockFace::name
+            )
+    );
 }

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

@@ -1,76 +0,0 @@
-package com.volmit.iris.core.link;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.collection.KMap;
-import dev.lone.itemsadder.api.CustomBlock;
-import dev.lone.itemsadder.api.CustomStack;
-import org.bukkit.block.data.BlockData;
-import org.bukkit.inventory.ItemStack;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.MissingResourceException;
-
-public class ItemAdderDataProvider extends ExternalDataProvider {
-
-    private KList<String> itemNamespaces, blockNamespaces;
-
-    public ItemAdderDataProvider() {
-        super("ItemsAdder");
-    }
-
-    @Override
-    public void init() {
-        this.itemNamespaces = new KList<>();
-        this.blockNamespaces = new KList<>();
-
-        for (Identifier i : getItemTypes()) {
-            itemNamespaces.addIfMissing(i.namespace());
-        }
-        for (Identifier i : getBlockTypes()) {
-            blockNamespaces.addIfMissing(i.namespace());
-            Iris.info("Found ItemAdder Block: " + i);
-        }
-    }
-
-    @NotNull
-    @Override
-    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
-        return CustomBlock.getBaseBlockData(blockId.toString());
-    }
-
-    @NotNull
-    @Override
-    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
-        CustomStack stack = CustomStack.getInstance(itemId.toString());
-        if (stack == null) {
-            throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
-        }
-        return stack.getItemStack();
-    }
-
-    @NotNull
-    @Override
-    public Identifier[] getBlockTypes() {
-        KList<Identifier> keys = new KList<>();
-        for (String s : CustomBlock.getNamespacedIdsInRegistry()) {
-            keys.add(Identifier.fromString(s));
-        }
-        return keys.toArray(new Identifier[0]);
-    }
-
-    @NotNull
-    @Override
-    public Identifier[] getItemTypes() {
-        KList<Identifier> keys = new KList<>();
-        for (String s : CustomStack.getNamespacedIdsInRegistry()) {
-            keys.add(Identifier.fromString(s));
-        }
-        return keys.toArray(new Identifier[0]);
-    }
-
-    @Override
-    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
-        return isItem ? this.itemNamespaces.contains(id.namespace()) : this.blockNamespaces.contains(id.namespace());
-    }
-}

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

@@ -0,0 +1,117 @@
+package com.volmit.iris.core.link.data;
+
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
+import com.volmit.iris.core.nms.container.BlockProperty;
+import com.volmit.iris.core.service.ExternalDataSVC;
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.data.B;
+import com.volmit.iris.util.data.IrisCustomData;
+import net.momirealms.craftengine.bukkit.api.CraftEngineBlocks;
+import net.momirealms.craftengine.bukkit.api.CraftEngineFurniture;
+import net.momirealms.craftengine.bukkit.api.CraftEngineItems;
+import net.momirealms.craftengine.core.block.ImmutableBlockState;
+import net.momirealms.craftengine.core.block.properties.BooleanProperty;
+import net.momirealms.craftengine.core.block.properties.IntegerProperty;
+import net.momirealms.craftengine.core.block.properties.Property;
+import net.momirealms.craftengine.core.util.Key;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.MissingResourceException;
+import java.util.stream.Stream;
+
+public class CraftEngineDataProvider extends ExternalDataProvider {
+
+    public CraftEngineDataProvider() {
+        super("CraftEngine");
+    }
+
+    @Override
+    public void init() {
+    }
+
+    @Override
+    public @NotNull List<BlockProperty> getBlockProperties(@NotNull Identifier blockId) throws MissingResourceException {
+        var block = CraftEngineBlocks.byId(Key.of(blockId.namespace(), blockId.key()));
+        if (block == null) throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+        return block.properties()
+                .stream()
+                .map(CraftEngineDataProvider::convert)
+                .toList();
+    }
+
+    @Override
+    public @NotNull ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
+        var item = CraftEngineItems.byId(Key.of(itemId.namespace(), itemId.key()));
+        if (item == null) throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
+        return item.buildItemStack();
+    }
+
+    @Override
+    public @NotNull BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
+        var key = Key.of(blockId.namespace(), blockId.key());
+        if (CraftEngineBlocks.byId(key) == null && CraftEngineFurniture.byId(key) == null)
+            throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+        return new IrisCustomData(B.getAir(), ExternalDataSVC.buildState(blockId, state));
+    }
+
+    @Override
+    public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {
+        var pair = ExternalDataSVC.parseState(blockId);
+        var key = Key.of(blockId.namespace(), blockId.key());
+        var state = pair.getB();
+
+        var customBlock = CraftEngineBlocks.byId(key);
+        if (customBlock != null) {
+            ImmutableBlockState blockState = customBlock.defaultState();
+
+            for (var entry : state.entrySet()) {
+                var property = customBlock.getProperty(entry.getKey());
+                if (property == null) continue;
+                var tag = property.optional(entry.getValue()).orElse(null);
+                if (tag == null) continue;
+                blockState = ImmutableBlockState.with(blockState, property, tag);
+            }
+            CraftEngineBlocks.place(block.getLocation(), blockState, false);
+            return;
+        }
+
+        var furniture = CraftEngineFurniture.byId(key);
+        if (furniture == null) return;
+        CraftEngineFurniture.place(block.getLocation(), furniture, furniture.getAnyAnchorType(), false);
+    }
+
+    @Override
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        return (switch (dataType) {
+            case ENTITY -> Stream.<Key>empty();
+            case ITEM -> CraftEngineItems.loadedItems().keySet().stream();
+            case BLOCK -> Stream.concat(CraftEngineBlocks.loadedBlocks().keySet().stream(),
+                    CraftEngineFurniture.loadedFurniture().keySet().stream());
+        }).map(key -> new Identifier(key.namespace(), key.value())).toList();
+    }
+
+    @Override
+    public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
+        Key key = Key.of(id.namespace(), id.key());
+        return switch (dataType) {
+            case ENTITY -> false;
+            case ITEM -> CraftEngineItems.byId(key) != null;
+            case BLOCK -> (CraftEngineBlocks.byId(key) != null || CraftEngineFurniture.byId(key) != null);
+        };
+    }
+
+    private static <T extends Comparable<T>> BlockProperty convert(Property<T> raw) {
+        return switch (raw) {
+            case BooleanProperty property -> BlockProperty.ofBoolean(property.name(), property.defaultValue());
+            case IntegerProperty property -> BlockProperty.ofLong(property.name(), property.defaultValue(), property.min, property.max, false, false);
+            default -> new BlockProperty(raw.name(), raw.valueClass(), raw.defaultValue(), raw.possibleValues(), raw::valueName);
+        };
+    }
+}

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

@@ -0,0 +1,33 @@
+package com.volmit.iris.core.link.data;
+
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
+
+import java.util.MissingResourceException;
+import java.util.function.BiPredicate;
+import java.util.function.Predicate;
+
+public enum DataType implements BiPredicate<ExternalDataProvider, Identifier> {
+    ITEM,
+    BLOCK,
+    ENTITY;
+
+    @Override
+    public boolean test(ExternalDataProvider dataProvider, Identifier identifier) {
+        if (!dataProvider.isValidProvider(identifier, this)) return false;
+        try {
+            switch (this) {
+                case ITEM -> dataProvider.getItemStack(identifier);
+                case BLOCK -> dataProvider.getBlockData(identifier);
+                case ENTITY -> {}
+            }
+            return true;
+        } catch (MissingResourceException e) {
+            return false;
+        }
+    }
+
+    public Predicate<Identifier> asPredicate(ExternalDataProvider dataProvider) {
+        return i -> test(dataProvider, i);
+    }
+}

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

@@ -1,16 +1,18 @@
-package com.volmit.iris.core.link;
+package com.volmit.iris.core.link.data;
 
 import com.volmit.iris.Iris;
-import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.reflect.WrappedField;
 import com.willfp.ecoitems.items.EcoItem;
 import com.willfp.ecoitems.items.EcoItems;
 import org.bukkit.NamespacedKey;
-import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
 
 public class EcoItemsDataProvider extends ExternalDataProvider {
@@ -34,12 +36,6 @@ public class EcoItemsDataProvider extends ExternalDataProvider {
         }
     }
 
-    @NotNull
-    @Override
-    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
-        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
-    }
-
     @NotNull
     @Override
     public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
@@ -48,30 +44,18 @@ public class EcoItemsDataProvider extends ExternalDataProvider {
         return itemStack.get(item).clone();
     }
 
-    @NotNull
     @Override
-    public Identifier[] getBlockTypes() {
-        return new Identifier[0];
-    }
-
-    @NotNull
-    @Override
-    public Identifier[] getItemTypes() {
-        KList<Identifier> names = new KList<>();
-        for (EcoItem item : EcoItems.INSTANCE.values()) {
-            try {
-                Identifier key = Identifier.fromNamespacedKey(id.get(item));
-                if (getItemStack(key) != null)
-                    names.add(key);
-            } catch (MissingResourceException ignored) {
-            }
-        }
-
-        return names.toArray(new Identifier[0]);
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        if (dataType != DataType.ITEM) return List.of();
+        return EcoItems.INSTANCE.values()
+                .stream()
+                .map(x -> Identifier.fromNamespacedKey(id.get(x)))
+                .filter(dataType.asPredicate(this))
+                .toList();
     }
 
     @Override
-    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
-        return id.namespace().equalsIgnoreCase("ecoitems") && isItem;
+    public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
+        return id.namespace().equalsIgnoreCase("ecoitems") && dataType == DataType.ITEM;
     }
 }

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

@@ -1,13 +1,15 @@
-package com.volmit.iris.core.link;
+package com.volmit.iris.core.link.data;
 
 import com.ssomar.score.api.executableitems.ExecutableItemsAPI;
 import com.volmit.iris.Iris;
-import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.util.collection.KMap;
-import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
 import java.util.Optional;
 
@@ -21,12 +23,6 @@ public class ExecutableItemsDataProvider extends ExternalDataProvider {
         Iris.info("Setting up ExecutableItems Link...");
     }
 
-    @NotNull
-    @Override
-    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
-        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
-    }
-
     @NotNull
     @Override
     public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
@@ -35,30 +31,19 @@ public class ExecutableItemsDataProvider extends ExternalDataProvider {
                 .orElseThrow(() -> new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key()));
     }
 
-    @NotNull
     @Override
-    public Identifier[] getBlockTypes() {
-        return new Identifier[0];
-    }
-
-    @NotNull
-    @Override
-    public Identifier[] getItemTypes() {
-        KList<Identifier> names = new KList<>();
-        for (String name : ExecutableItemsAPI.getExecutableItemsManager().getExecutableItemIdsList()) {
-            try {
-                Identifier key = new Identifier("executable_items", name);
-                if (getItemStack(key) != null)
-                    names.add(key);
-            } catch (MissingResourceException ignored) {
-            }
-        }
-
-        return names.toArray(new Identifier[0]);
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        if (dataType != DataType.ITEM) return List.of();
+        return ExecutableItemsAPI.getExecutableItemsManager()
+                .getExecutableItemIdsList()
+                .stream()
+                .map(name -> new Identifier("executable_items", name))
+                .filter(dataType.asPredicate(this))
+                .toList();
     }
 
     @Override
-    public boolean isValidProvider(@NotNull Identifier key, boolean isItem) {
-        return key.namespace().equalsIgnoreCase("executable_items") && isItem;
+    public boolean isValidProvider(@NotNull Identifier key, DataType dataType) {
+        return key.namespace().equalsIgnoreCase("executable_items") && dataType == DataType.ITEM;
     }
 }

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

@@ -1,10 +1,11 @@
-package com.volmit.iris.core.link;
+package com.volmit.iris.core.link.data;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.reflect.WrappedField;
@@ -18,6 +19,8 @@ import org.bukkit.block.data.type.Leaves;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 import java.util.MissingResourceException;
 import java.util.function.Supplier;
@@ -89,41 +92,20 @@ public class HMCLeavesDataProvider extends ExternalDataProvider {
 		}
 	}
 
-	@NotNull
 	@Override
-	public Identifier[] getBlockTypes() {
-		KList<Identifier> names = new KList<>();
-		for (String name : blockDataMap.keySet()) {
-			try {
-				Identifier key = new Identifier("hmcleaves", name);
-				if (getBlockData(key) != null)
-					names.add(key);
-			} catch (MissingResourceException ignored) {
-			}
-		}
-
-		return names.toArray(new Identifier[0]);
-	}
-
-	@NotNull
-	@Override
-	public Identifier[] getItemTypes() {
-		KList<Identifier> names = new KList<>();
-		for (String name : itemDataField.keySet()) {
-			try {
-				Identifier key = new Identifier("hmcleaves", name);
-				if (getItemStack(key) != null)
-					names.add(key);
-			} catch (MissingResourceException ignored) {
-			}
-		}
-
-		return names.toArray(new Identifier[0]);
+	public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+		if (dataType == DataType.ENTITY) return List.of();
+		return (dataType == DataType.BLOCK ? blockDataMap.keySet() : itemDataField.keySet())
+				.stream()
+				.map(x -> new Identifier("hmcleaves", x))
+				.filter(dataType.asPredicate(this))
+				.toList();
 	}
 
 	@Override
-	public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
-		return (isItem ? itemDataField.keySet() : blockDataMap.keySet()).contains(id.key());
+	public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
+		if (dataType == DataType.ENTITY) return false;
+		return (dataType == DataType.ITEM ? itemDataField.keySet() : blockDataMap.keySet()).contains(id.key());
 	}
 
 	private <C, T> Map<String, T> getMap(C config, String name) {

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

@@ -0,0 +1,107 @@
+package com.volmit.iris.core.link.data;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.collection.KSet;
+import com.volmit.iris.util.data.IrisCustomData;
+import dev.lone.itemsadder.api.CustomBlock;
+import dev.lone.itemsadder.api.CustomStack;
+import dev.lone.itemsadder.api.Events.ItemsAdderLoadDataEvent;
+import org.bukkit.block.Block;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.event.EventHandler;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.MissingResourceException;
+import java.util.stream.Collectors;
+
+public class ItemAdderDataProvider extends ExternalDataProvider {
+
+    private final KSet<String> itemNamespaces = new KSet<>();
+    private final KSet<String> blockNamespaces = new KSet<>();
+
+    public ItemAdderDataProvider() {
+        super("ItemsAdder");
+    }
+
+    @Override
+    public void init() {
+        updateNamespaces();
+    }
+
+    @EventHandler
+    public void onLoadData(ItemsAdderLoadDataEvent event) {
+        updateNamespaces();
+    }
+
+    @NotNull
+    @Override
+    public BlockData getBlockData(@NotNull Identifier blockId, @NotNull KMap<String, String> state) throws MissingResourceException {
+        CustomBlock block = CustomBlock.getInstance(blockId.toString());
+        if (block == null) {
+            throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+        }
+        return new IrisCustomData(block.getBaseBlockData(), blockId);
+    }
+
+    @NotNull
+    @Override
+    public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
+        CustomStack stack = CustomStack.getInstance(itemId.toString());
+        if (stack == null) {
+            throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
+        }
+        return stack.getItemStack();
+    }
+
+    @Override
+    public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {
+        CustomBlock custom;
+        if ((custom = CustomBlock.place(blockId.toString(), block.getLocation())) == null)
+            return;
+        block.setBlockData(custom.getBaseBlockData(), false);
+    }
+
+    @Override
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        return switch (dataType) {
+            case ENTITY -> List.of();
+            case ITEM -> CustomStack.getNamespacedIdsInRegistry()
+                    .stream()
+                    .map(Identifier::fromString)
+                    .toList();
+            case BLOCK -> CustomBlock.getNamespacedIdsInRegistry()
+                    .stream()
+                    .map(Identifier::fromString)
+                    .toList();
+        };
+    }
+
+    private void updateNamespaces() {
+        try {
+            updateNamespaces(DataType.ITEM);
+            updateNamespaces(DataType.BLOCK);
+        } catch (Throwable e) {
+            Iris.warn("Failed to update ItemAdder namespaces: " + e.getMessage());
+        }
+    }
+
+    private void updateNamespaces(DataType dataType) {
+        var namespaces = getTypes(dataType).stream().map(Identifier::namespace).collect(Collectors.toSet());
+        var currentNamespaces = dataType == DataType.ITEM ? itemNamespaces : blockNamespaces;
+        currentNamespaces.removeIf(n -> !namespaces.contains(n));
+        currentNamespaces.addAll(namespaces);
+    }
+
+    @Override
+    public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
+        if (dataType == DataType.ENTITY) return false;
+        return dataType == DataType.ITEM ? itemNamespaces.contains(id.namespace()) : blockNamespaces.contains(id.namespace());
+    }
+}

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

@@ -1,5 +1,7 @@
-package com.volmit.iris.core.link;
+package com.volmit.iris.core.link.data;
 
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KMap;
@@ -14,6 +16,8 @@ import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
 
 public class KGeneratorsDataProvider extends ExternalDataProvider {
@@ -54,35 +58,17 @@ public class KGeneratorsDataProvider extends ExternalDataProvider {
     }
 
     @Override
-    public @NotNull Identifier[] getBlockTypes() {
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        if (dataType == DataType.ENTITY) return List.of();
         return Main.getGenerators().getAll().stream()
                 .map(gen -> new Identifier("kgenerators", gen.getId()))
-                .filter(i -> {
-                    try {
-                        return getBlockData(i) != null;
-                    } catch (MissingResourceException e) {
-                        return false;
-                    }
-                })
-                .toArray(Identifier[]::new);
+                .filter(dataType.asPredicate(this))
+                .toList();
     }
 
     @Override
-    public @NotNull Identifier[] getItemTypes() {
-        return Main.getGenerators().getAll().stream()
-                .map(gen -> new Identifier("kgenerators", gen.getId()))
-                .filter(i -> {
-                    try {
-                        return getItemStack(i) != null;
-                    } catch (MissingResourceException e) {
-                        return false;
-                    }
-                })
-                .toArray(Identifier[]::new);
-    }
-
-    @Override
-    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
+    public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
+        if (dataType == DataType.ENTITY) return false;
         return "kgenerators".equalsIgnoreCase(id.namespace());
     }
 }

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

@@ -1,21 +1,24 @@
-package com.volmit.iris.core.link;
+package com.volmit.iris.core.link.data;
 
 import com.volmit.iris.Iris;
-import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.scheduling.J;
 import net.Indyuce.mmoitems.MMOItems;
 import net.Indyuce.mmoitems.api.ItemTier;
-import net.Indyuce.mmoitems.api.Type;
 import net.Indyuce.mmoitems.api.block.CustomBlock;
 import org.bukkit.Bukkit;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
+import java.util.function.Supplier;
 
 public class MMOItemsDataProvider extends ExternalDataProvider {
 
@@ -85,52 +88,35 @@ public class MMOItemsDataProvider extends ExternalDataProvider {
         return item;
     }
 
-    @NotNull
     @Override
-    public Identifier[] getBlockTypes() {
-        KList<Identifier> names = new KList<>();
-        for (Integer id : api().getCustomBlocks().getBlockIds()) {
-            try {
-                Identifier key = new Identifier("mmoitems", String.valueOf(id));
-                if (getBlockData(key) != null)
-                    names.add(key);
-            } catch (MissingResourceException ignored) {
-            }
-        }
-        return names.toArray(new Identifier[0]);
-    }
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        return switch (dataType) {
+            case ENTITY -> List.of();
+            case BLOCK -> api().getCustomBlocks().getBlockIds().stream().map(id -> new Identifier("mmoitems", String.valueOf(id)))
+                    .filter(dataType.asPredicate(this))
+                    .toList();
+            case ITEM -> {
+                Supplier<Collection<Identifier>> supplier = () -> api().getTypes()
+                        .getAll()
+                        .stream()
+                        .flatMap(type -> api()
+                                .getTemplates()
+                                .getTemplateNames(type)
+                                .stream()
+                                .map(name -> new Identifier("mmoitems_" + type.getId(), name)))
+                        .filter(dataType.asPredicate(this))
+                        .toList();
 
-    @NotNull
-    @Override
-    public Identifier[] getItemTypes() {
-        KList<Identifier> names = new KList<>();
-        Runnable run = () -> {
-            for (Type type : api().getTypes().getAll()) {
-                for (String name : api().getTemplates().getTemplateNames(type)) {
-                    try {
-                        Identifier key = new Identifier("mmoitems_" + type.getId(), name);
-                        if (getItemStack(key) != null)
-                            names.add(key);
-                    } catch (MissingResourceException ignored) {
-                    }
-                }
+                if (Bukkit.isPrimaryThread()) yield supplier.get();
+                else yield J.sfut(supplier).join();
             }
         };
-        if (Bukkit.isPrimaryThread()) run.run();
-        else {
-            try {
-                J.sfut(run).get();
-            } catch (InterruptedException | ExecutionException e) {
-                Iris.error("Failed getting MMOItems item types!");
-                Iris.reportError(e);
-            }
-        }
-        return names.toArray(new Identifier[0]);
     }
 
     @Override
-    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
-        return isItem ? id.namespace().split("_", 2).length == 2 : id.namespace().equals("mmoitems");
+    public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
+        if (dataType == DataType.ENTITY) return false;
+        return dataType == DataType.ITEM ? id.namespace().split("_", 2).length == 2 : id.namespace().equals("mmoitems");
     }
 
     private MMOItems api() {

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

@@ -16,19 +16,19 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package com.volmit.iris.core.link;
+package com.volmit.iris.core.link.data;
 
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.service.ExternalDataSVC;
-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
-import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.IrisCustomData;
-import com.volmit.iris.util.math.RNG;
 import io.lumine.mythic.bukkit.BukkitAdapter;
 import io.lumine.mythic.bukkit.utils.serialize.Chroma;
 import io.lumine.mythiccrucible.MythicCrucible;
@@ -37,11 +37,12 @@ import io.lumine.mythiccrucible.items.ItemManager;
 import io.lumine.mythiccrucible.items.blocks.CustomBlockItemContext;
 import io.lumine.mythiccrucible.items.furniture.FurnitureItemContext;
 import org.bukkit.block.Block;
-import org.bukkit.block.BlockFace;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
 import java.util.Optional;
 
@@ -78,6 +79,19 @@ public class MythicCrucibleDataProvider extends ExternalDataProvider {
         throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
     }
 
+    @Override
+    public @NotNull List<BlockProperty> getBlockProperties(@NotNull Identifier blockId) throws MissingResourceException {
+        CrucibleItem crucibleItem = this.itemManager.getItem(blockId.key())
+                .orElseThrow(() -> new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key()));
+
+        if (crucibleItem.getFurnitureData() != null) {
+            return YAW_FACE_BIOME_PROPERTIES;
+        } else if (crucibleItem.getBlockData() != null) {
+            return List.of();
+        }
+        throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+    }
+
     @NotNull
     @Override
     public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
@@ -88,69 +102,27 @@ public class MythicCrucibleDataProvider extends ExternalDataProvider {
                 .generateItemStack(1));
     }
 
-    @NotNull
     @Override
-    public Identifier[] getBlockTypes() {
-        KList<Identifier> names = new KList<>();
-        for (CrucibleItem item : this.itemManager.getItems()) {
-            if (item.getBlockData() == null) continue;
-            try {
-                Identifier key = new Identifier("crucible", item.getInternalName());
-                if (getBlockData(key) != null) {
-                    Iris.info("getBlockTypes: Block loaded '" + item.getInternalName() + "'");
-                    names.add(key);
-                }
-            } catch (MissingResourceException ignored) {}
-        }
-        return names.toArray(new Identifier[0]);
-    }
-
-    @NotNull
-    @Override
-    public Identifier[] getItemTypes() {
-        KList<Identifier> names = new KList<>();
-        for (CrucibleItem item : this.itemManager.getItems()) {
-            try {
-                Identifier key = new Identifier("crucible", item.getInternalName());
-                if (getItemStack(key) != null) {
-                    Iris.info("getItemTypes: Item loaded '" + item.getInternalName() + "'");
-                    names.add(key);
-                }
-            } catch (MissingResourceException ignored) {}
-        }
-        return names.toArray(new Identifier[0]);
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        return itemManager.getItems()
+                .stream()
+                .map(i -> new Identifier("crucible", i.getInternalName()))
+                .filter(dataType.asPredicate(this))
+                .toList();
     }
 
     @Override
     public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {
-        var pair = ExternalDataSVC.parseState(blockId);
-        var state = pair.getB();
-        blockId = pair.getA();
+        var parsedState = ExternalDataSVC.parseState(blockId);
+        var state = parsedState.getB();
+        blockId = parsedState.getA();
 
         Optional<CrucibleItem> item = itemManager.getItem(blockId.key());
         if (item.isEmpty()) return;
         FurnitureItemContext furniture = item.get().getFurnitureData();
         if (furniture == null) return;
 
-        float yaw = 0;
-        BlockFace face = BlockFace.NORTH;
-        long seed = engine.getSeedManager().getSeed() + Cache.key(block.getX(), block.getZ()) + block.getY();
-        RNG rng = new RNG(seed);
-        if ("true".equals(state.get("randomYaw"))) {
-            yaw = rng.f(0, 360);
-        } else if (state.containsKey("yaw")) {
-            yaw = Float.parseFloat(state.get("yaw"));
-        }
-        if ("true".equals(state.get("randomFace"))) {
-            BlockFace[] faces = BlockFace.values();
-            face = faces[rng.i(0, faces.length - 1)];
-        } else if (state.containsKey("face")) {
-            face = BlockFace.valueOf(state.get("face").toUpperCase());
-        }
-        if (face == BlockFace.SELF) {
-            face = BlockFace.NORTH;
-        }
-
+        var pair = parseYawAndFace(engine, block, state);
         BiomeColor type = null;
         Chroma color = null;
         try {
@@ -161,11 +133,12 @@ public class MythicCrucibleDataProvider extends ExternalDataProvider {
             if (biomeColor == null) return;
             color = Chroma.of(biomeColor.getRGB());
         }
-        furniture.place(block, face, yaw, color);
+        furniture.place(block, pair.getB(), pair.getA(), color);
     }
 
     @Override
-    public boolean isValidProvider(@NotNull Identifier key, boolean isItem) {
+    public boolean isValidProvider(@NotNull Identifier key, DataType dataType) {
+        if (dataType == DataType.ENTITY) return false;
         return key.namespace().equalsIgnoreCase("crucible");
     }
 }

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

@@ -1,25 +1,7 @@
-/*
- * Iris is a World Generator for Minecraft Bukkit Servers
- * Copyright (c) 2022 Arcane Arts (Volmit Software)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
+package com.volmit.iris.core.link.data;
 
-package com.volmit.iris.core.link;
-
-import com.google.common.collect.Sets;
-import com.volmit.iris.Iris;
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import io.lumine.mythic.api.adapters.AbstractLocation;
 import io.lumine.mythic.api.config.MythicLineConfig;
@@ -30,60 +12,60 @@ import io.lumine.mythic.bukkit.events.MythicConditionLoadEvent;
 import io.lumine.mythic.core.skills.SkillCondition;
 import io.lumine.mythic.core.utils.annotations.MythicCondition;
 import io.lumine.mythic.core.utils.annotations.MythicField;
-import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.entity.Entity;
 import org.bukkit.event.EventHandler;
-import org.bukkit.event.Listener;
-import org.bukkit.plugin.Plugin;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.annotations.Nullable;
 
-import javax.annotation.Nullable;
 import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
 
-public class MythicMobsLink {
-
-    public MythicMobsLink() {
-        if (getPlugin() == null) return;
-        Iris.instance.registerListener(new ConditionListener());
+public class MythicMobsDataProvider extends ExternalDataProvider {
+    public MythicMobsDataProvider() {
+        super("MythicMobs");
     }
 
-    public boolean isEnabled() {
-        return getPlugin() != null;
+    @Override
+    public void init() {
     }
 
-    public Plugin getPlugin() {
-        return Bukkit.getPluginManager().getPlugin("MythicMobs");
+    @Override
+    public @Nullable Entity spawnMob(@NotNull Location location, @NotNull Identifier entityId) throws MissingResourceException {
+        var mm = MythicBukkit.inst().getMobManager().spawnMob(entityId.key(), location);
+        if (mm == null) throw new MissingResourceException("Failed to find mob!", entityId.namespace(), entityId.key());
+        return mm.getEntity().getBukkitEntity();
     }
 
-    /**
-     * Spawn a mythic mob at this location
-     *
-     * @param mob      The mob
-     * @param location The location
-     * @return The mob, or null if it can't be spawned
-     */
-    public @Nullable Entity spawnMob(String mob, Location location) {
-        return isEnabled() ? MythicBukkit.inst().getMobManager().spawnMob(mob, location).getEntity().getBukkitEntity() : null;
+    @Override
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        if (dataType != DataType.ENTITY) return List.of();
+        return MythicBukkit.inst()
+                .getMobManager()
+                .getMobNames()
+                .stream()
+                .map(name -> new Identifier("mythicmobs", name))
+                .toList();
     }
 
-    public Collection<String> getMythicMobTypes() {
-        return isEnabled() ? MythicBukkit.inst().getMobManager().getMobNames() : List.of();
+    @Override
+    public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
+        return id.namespace().equalsIgnoreCase("mythicmobs") && dataType == DataType.ENTITY;
     }
 
-    private static class ConditionListener implements Listener {
-        @EventHandler
-        public void on(MythicConditionLoadEvent event) {
-            switch (event.getConditionName()) {
-                case "irisbiome" -> event.register(new IrisBiomeCondition(event.getConditionName(), event.getConfig()));
-                case "irisregion" -> event.register(new IrisRegionCondition(event.getConditionName(), event.getConfig()));
-            }
+    @EventHandler
+    public void on(MythicConditionLoadEvent event) {
+        switch (event.getConditionName()) {
+            case "irisbiome" -> event.register(new IrisBiomeCondition(event.getConditionName(), event.getConfig()));
+            case "irisregion" -> event.register(new IrisRegionCondition(event.getConditionName(), event.getConfig()));
         }
     }
 
     @MythicCondition(author = "CrazyDev22", name = "irisbiome", description = "Tests if the target is within the given list of biomes")
     public static class IrisBiomeCondition extends SkillCondition implements ILocationCondition {
         @MythicField(name = "biome", aliases = {"b"}, description = "A list of biomes to check")
-        private Set<String> biomes = Sets.newConcurrentHashSet();
+        private Set<String> biomes = ConcurrentHashMap.newKeySet();
         @MythicField(name = "surface", aliases = {"s"}, description = "If the biome check should only be performed on the surface")
         private boolean surface;
 
@@ -107,10 +89,10 @@ public class MythicMobsLink {
         }
     }
 
-    @MythicCondition(author = "CrazyDev22", name = "irisbiome", description = "Tests if the target is within the given list of biomes")
+    @MythicCondition(author = "CrazyDev22", name = "irisregion", description = "Tests if the target is within the given list of biomes")
     public static class IrisRegionCondition extends SkillCondition implements ILocationCondition {
         @MythicField(name = "region", aliases = {"r"}, description = "A list of regions to check")
-        private Set<String> regions = Sets.newConcurrentHashSet();
+        private Set<String> regions = ConcurrentHashMap.newKeySet();
 
         public IrisRegionCondition(String line, MythicLineConfig mlc) {
             super(line);

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

@@ -1,34 +1,34 @@
-package com.volmit.iris.core.link;
+package com.volmit.iris.core.link.data;
 
 import com.nexomc.nexo.api.NexoBlocks;
 import com.nexomc.nexo.api.NexoFurniture;
 import com.nexomc.nexo.api.NexoItems;
 import com.nexomc.nexo.items.ItemBuilder;
+import com.volmit.iris.core.link.ExternalDataProvider;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.service.ExternalDataSVC;
-import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.IrisCustomData;
-import com.volmit.iris.util.math.RNG;
 import org.bukkit.Color;
 import org.bukkit.block.Block;
-import org.bukkit.block.BlockFace;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.entity.ItemDisplay;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.LeatherArmorMeta;
+import org.bukkit.inventory.meta.MapMeta;
 import org.bukkit.inventory.meta.PotionMeta;
 import org.jetbrains.annotations.NotNull;
 
-import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
 import java.util.MissingResourceException;
-import java.util.concurrent.atomic.AtomicBoolean;
 
 public class NexoDataProvider extends ExternalDataProvider {
-    private final AtomicBoolean failed = new AtomicBoolean(false);
-
     public NexoDataProvider() {
         super("Nexo");
     }
@@ -57,6 +57,15 @@ public class NexoDataProvider extends ExternalDataProvider {
         throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
     }
 
+    @Override
+    public @NotNull List<BlockProperty> getBlockProperties(@NotNull Identifier blockId) throws MissingResourceException {
+        if (!NexoItems.exists(blockId.key())) {
+            throw new MissingResourceException("Failed to find BlockData!", blockId.namespace(), blockId.key());
+        }
+
+        return NexoFurniture.isFurniture(blockId.key()) ? YAW_FACE_BIOME_PROPERTIES : List.of();
+    }
+
     @NotNull
     @Override
     public ItemStack getItemStack(@NotNull Identifier itemId, @NotNull KMap<String, Object> customNbt) throws MissingResourceException {
@@ -64,14 +73,19 @@ public class NexoDataProvider extends ExternalDataProvider {
         if (builder == null) {
             throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
         }
-        return builder.build();
+        try {
+            return builder.build();
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new MissingResourceException("Failed to find ItemData!", itemId.namespace(), itemId.key());
+        }
     }
 
     @Override
     public void processUpdate(@NotNull Engine engine, @NotNull Block block, @NotNull Identifier blockId) {
-        var pair = ExternalDataSVC.parseState(blockId);
-        var state = pair.getB();
-        blockId = pair.getA();
+        var statePair = ExternalDataSVC.parseState(blockId);
+        var state = statePair.getB();
+        blockId = statePair.getA();
 
         if (NexoBlocks.isCustomBlock(blockId.key())) {
             NexoBlocks.place(blockId.key(), block.getLocation());
@@ -81,26 +95,8 @@ public class NexoDataProvider extends ExternalDataProvider {
         if (!NexoFurniture.isFurniture(blockId.key()))
             return;
 
-        float yaw = 0;
-        BlockFace face = BlockFace.NORTH;
-
-        long seed = engine.getSeedManager().getSeed() + Cache.key(block.getX(), block.getZ()) + block.getY();
-        RNG rng = new RNG(seed);
-        if ("true".equals(state.get("randomYaw"))) {
-            yaw = rng.f(0, 360);
-        } else if (state.containsKey("yaw")) {
-            yaw = Float.parseFloat(state.get("yaw"));
-        }
-        if ("true".equals(state.get("randomFace"))) {
-            BlockFace[] faces = BlockFace.values();
-            face = faces[rng.i(0, faces.length - 1)];
-        } else if (state.containsKey("face")) {
-            face = BlockFace.valueOf(state.get("face").toUpperCase());
-        }
-        if (face == BlockFace.SELF) {
-            face = BlockFace.NORTH;
-        }
-        ItemDisplay display = NexoFurniture.place(blockId.key(), block.getLocation(), yaw, face);
+        var pair = parseYawAndFace(engine, block, state);
+        ItemDisplay display = NexoFurniture.place(blockId.key(), block.getLocation(), pair.getA(), pair.getB());
         if (display == null) return;
         ItemStack itemStack = display.getItemStack();
         if (itemStack == null) return;
@@ -114,51 +110,31 @@ public class NexoDataProvider extends ExternalDataProvider {
             var biomeColor = INMS.get().getBiomeColor(block.getLocation(), type);
             if (biomeColor == null) return;
             var potionColor = Color.fromARGB(biomeColor.getAlpha(), biomeColor.getRed(), biomeColor.getGreen(), biomeColor.getBlue());
-            if (itemStack.getItemMeta() instanceof PotionMeta meta) {
-                meta.setColor(potionColor);
-                itemStack.setItemMeta(meta);
+            var meta = itemStack.getItemMeta();
+            switch (meta) {
+                case LeatherArmorMeta armor -> armor.setColor(potionColor);
+                case PotionMeta potion -> potion.setColor(potionColor);
+                case MapMeta map -> map.setColor(potionColor);
+                case null, default -> {}
             }
+            itemStack.setItemMeta(meta);
         }
         display.setItemStack(itemStack);
     }
 
-    @NotNull
     @Override
-    public Identifier[] getBlockTypes() {
-        return NexoItems.itemNames().stream()
+    public @NotNull Collection<@NotNull Identifier> getTypes(@NotNull DataType dataType) {
+        if (dataType == DataType.ENTITY) return List.of();
+        return NexoItems.itemNames()
+                .stream()
                 .map(i -> new Identifier("nexo", i))
-                .filter(i -> {
-                    try {
-                        return getBlockData(i) != null;
-                    } catch (MissingResourceException e) {
-                        return false;
-                    }
-                })
-                .toArray(Identifier[]::new);
-    }
-
-    @NotNull
-    @Override
-    public Identifier[] getItemTypes() {
-        return NexoItems.itemNames().stream()
-                .map(i -> new Identifier("nexo", i))
-                .filter(i -> {
-                    try {
-                        return getItemStack(i) != null;
-                    } catch (MissingResourceException e) {
-                        return false;
-                    }
-                })
-                .toArray(Identifier[]::new);
+                .filter(dataType.asPredicate(this))
+                .toList();
     }
 
     @Override
-    public boolean isValidProvider(@NotNull Identifier id, boolean isItem) {
+    public boolean isValidProvider(@NotNull Identifier id, DataType dataType) {
+        if (dataType == DataType.ENTITY) return false;
         return "nexo".equalsIgnoreCase(id.namespace());
     }
-
-    @Override
-    public boolean isReady() {
-        return super.isReady() && !failed.get();
-    }
 }

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

@@ -24,6 +24,7 @@ import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonToken;
 import com.google.gson.stream.JsonWriter;
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.scripting.environment.PackEnvironment;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.*;
@@ -33,10 +34,12 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.format.C;
+import com.volmit.iris.util.mantle.flag.MantleFlagAdapter;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
-import com.volmit.iris.util.reflect.OldEnum;
+import com.volmit.iris.util.reflect.KeyedType;
 import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
 import lombok.Data;
@@ -54,6 +57,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     private static final KMap<File, IrisData> dataLoaders = new KMap<>();
     private final File dataFolder;
     private final int id;
+    private final PackEnvironment environment;
     private boolean closed = false;
     private ResourceLoader<IrisBiome> biomeLoader;
     private ResourceLoader<IrisLootTable> lootLoader;
@@ -87,6 +91,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         this.engine = null;
         this.dataFolder = dataFolder;
         this.id = RNG.r.imax();
+        this.environment = PackEnvironment.create(this);
         hotloaded();
     }
 
@@ -252,12 +257,20 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
                 }
             }
 
-            if (engine != null && t.getPreprocessors().isNotEmpty()) {
+            if (engine == null) return;
+            var global = engine.getDimension().getPreProcessors(t.getFolderName());
+            var local = t.getPreprocessors();
+            if ((global != null && global.isNotEmpty()) || local.isNotEmpty()) {
                 synchronized (this) {
-                    engine.getExecution().getAPI().setPreprocessorObject(t);
+                    if (global != null) {
+                        for (String i : global) {
+                            engine.getExecution().preprocessObject(i, t);
+                            Iris.debug("Loader<" + C.GREEN + t.getTypeName() + C.LIGHT_PURPLE + "> iprocess " + C.YELLOW + t.getLoadKey() + C.LIGHT_PURPLE + " in <rainbow>" + i);
+                        }
+                    }
 
-                    for (String i : t.getPreprocessors()) {
-                        engine.getExecution().execute(i);
+                    for (String i : local) {
+                        engine.getExecution().preprocessObject(i, t);
                         Iris.debug("Loader<" + C.GREEN + t.getTypeName() + C.LIGHT_PURPLE + "> iprocess " + C.YELLOW + t.getLoadKey() + C.LIGHT_PURPLE + " in <rainbow>" + i);
                     }
                 }
@@ -271,6 +284,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     public void close() {
         closed = true;
         dump();
+        dataLoaders.remove(dataFolder);
     }
 
     public IrisData copy() {
@@ -311,12 +325,14 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     }
 
     public synchronized void hotloaded() {
+        environment.close();
         possibleSnippets = new KMap<>();
         builder = new GsonBuilder()
                 .addDeserializationExclusionStrategy(this)
                 .addSerializationExclusionStrategy(this)
                 .setLenient()
                 .registerTypeAdapterFactory(this)
+                .registerTypeAdapter(MantleFlag.class, new MantleFlagAdapter())
                 .setPrettyPrinting();
         loaders.clear();
         File packs = dataFolder;
@@ -341,16 +357,13 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         this.imageLoader = registerLoader(IrisImage.class);
         this.scriptLoader = registerLoader(IrisScript.class);
         this.matterObjectLoader = registerLoader(IrisMatterObject.class);
-        if (OldEnum.exists()) {
-            builder.registerTypeAdapterFactory(new TypeAdapterFactory() {
-                @Override
-                public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
-                    return (TypeAdapter<T>) OldEnum.create(type.getRawType());
-                }
-            });
-        }
+        builder.registerTypeAdapterFactory(KeyedType::createTypeAdapter);
 
         gson = builder.create();
+        dimensionLoader.streamAll()
+                .map(IrisDimension::getDataScripts)
+                .flatMap(KList::stream)
+                .forEach(environment::execute);
     }
 
     public void dump() {
@@ -412,6 +425,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
         }
 
         String snippetType = typeToken.getRawType().getDeclaredAnnotation(Snippet.class).value();
+        String snippedBase = "snippet/" + snippetType + "/";
 
         return new TypeAdapter<>() {
             @Override
@@ -425,19 +439,20 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
 
                 if (reader.peek().equals(JsonToken.STRING)) {
                     String r = reader.nextString();
+                    if (!r.startsWith("snippet/"))
+                        return null;
+                    if (!r.startsWith(snippedBase))
+                        r = snippedBase + r.substring(8);
 
-                    if (r.startsWith("snippet/" + snippetType + "/")) {
-                        File f = new File(getDataFolder(), r + ".json");
-
-                        if (f.exists()) {
-                            try (JsonReader snippetReader = new JsonReader(new FileReader(f))){
-                                return adapter.read(snippetReader);
-                            } catch (Throwable e) {
-                                Iris.error("Couldn't read snippet " + r + " in " + reader.getPath() + " (" + e.getMessage() + ")");
-                            }
-                        } else {
-                            Iris.error("Couldn't find snippet " + r + " in " + reader.getPath());
+                    File f = new File(getDataFolder(), r + ".json");
+                    if (f.exists()) {
+                        try (JsonReader snippetReader = new JsonReader(new FileReader(f))){
+                            return adapter.read(snippetReader);
+                        } catch (Throwable e) {
+                            Iris.error("Couldn't read snippet " + r + " in " + reader.getPath() + " (" + e.getMessage() + ")");
                         }
+                    } else {
+                        Iris.error("Couldn't find snippet " + r + " in " + reader.getPath());
                     }
 
                     return null;
@@ -475,7 +490,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
                         .map(s -> s.substring(absPath.length() + 1))
                         .map(s -> s.replace("\\", "/"))
                         .map(s -> s.split("\\Q.\\E")[0])
-                        .forEach(s -> l.add("snippet/" + f + "/" + s));
+                        .forEach(s -> l.add("snippet/" + s));
             } catch (Throwable e) {
                 e.printStackTrace();
             }
@@ -489,7 +504,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     }
 
     public void savePrefetch(Engine engine) {
-        BurstExecutor b = MultiBurst.burst.burst(loaders.size());
+        BurstExecutor b = MultiBurst.ioBurst.burst(loaders.size());
 
         for (ResourceLoader<?> i : loaders.values()) {
             b.queue(() -> {
@@ -506,7 +521,7 @@ public class IrisData implements ExclusionStrategy, TypeAdapterFactory {
     }
 
     public void loadPrefetch(Engine engine) {
-        BurstExecutor b = MultiBurst.burst.burst(loaders.size());
+        BurstExecutor b = MultiBurst.ioBurst.burst(loaders.size());
 
         for (ResourceLoader<?> i : loaders.values()) {
             b.queue(() -> {

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

@@ -28,6 +28,7 @@ import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.json.JSONObject;
 import com.volmit.iris.util.plugin.VolmitSender;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
 import java.awt.*;
 import java.io.File;
@@ -39,6 +40,7 @@ public abstract class IrisRegistrant {
     @ArrayType(min = 1, type = String.class)
     private KList<String> preprocessors = new KList<>();
 
+    @EqualsAndHashCode.Exclude
     private transient IrisData loader;
 
     private transient String loadKey;

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

@@ -23,6 +23,7 @@ import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.project.SchemaBuilder;
 import com.volmit.iris.core.service.PreservationSVC;
+import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.MeteredCache;
 import com.volmit.iris.util.collection.KList;
@@ -44,10 +45,9 @@ import lombok.EqualsAndHashCode;
 import lombok.ToString;
 
 import java.io.*;
+import java.util.Arrays;
 import java.util.Locale;
-import java.util.Objects;
 import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
@@ -60,7 +60,7 @@ import java.util.zip.GZIPOutputStream;
 public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     public static final AtomicDouble tlt = new AtomicDouble(0);
     private static final int CACHE_SIZE = 100000;
-    protected final AtomicReference<KList<File>> folderCache;
+    protected final AtomicCache<KList<File>> folderCache;
     protected KSet<String> firstAccess;
     protected File root;
     protected String folderName;
@@ -76,7 +76,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     public ResourceLoader(File root, IrisData manager, String folderName, String resourceTypeName, Class<? extends T> objectClass) {
         this.manager = manager;
         firstAccess = new KSet<>();
-        folderCache = new AtomicReference<>();
+        folderCache = new AtomicCache<>();
         sec = new ChronoLatch(5000);
         loads = new AtomicInteger();
         this.objectClass = objectClass;
@@ -216,6 +216,10 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
         return j;
     }
 
+    public Stream<T> streamAll() {
+        return streamAll(Arrays.stream(getPossibleKeys()));
+    }
+
     public Stream<T> streamAll(Stream<String> s) {
         return s.map(this::load);
     }
@@ -236,7 +240,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
 
     public KList<T> loadAllParallel(KList<String> s) {
         KList<T> m = new KList<>();
-        BurstExecutor burst = MultiBurst.burst.burst(s.size());
+        BurstExecutor burst = MultiBurst.ioBurst.burst(s.size());
 
         for (String i : s) {
             burst.queue(() -> {
@@ -361,29 +365,24 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     }
 
     public KList<File> getFolders() {
-        synchronized (folderCache) {
-            if (folderCache.get() == null) {
-                KList<File> fc = new KList<>();
+        return folderCache.aquire(() -> {
+            KList<File> fc = new KList<>();
 
-                File[] files = root.listFiles();
-                if (files == null) {
-                    throw new IllegalStateException("Failed to list files in " + root);
-                }
+            File[] files = root.listFiles();
+            if (files == null) {
+                throw new IllegalStateException("Failed to list files in " + root);
+            }
 
-                for (File i : files) {
-                    if (i.isDirectory()) {
-                        if (i.getName().equals(folderName)) {
-                            fc.add(i);
-                            break;
-                        }
+            for (File i : files) {
+                if (i.isDirectory()) {
+                    if (i.getName().equals(folderName)) {
+                        fc.add(i);
+                        break;
                     }
                 }
-
-                folderCache.set(fc);
             }
-        }
-
-        return folderCache.get();
+            return fc;
+        });
     }
 
     public KList<File> getFolders(String rc) {
@@ -403,7 +402,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     public void clearCache() {
         possibleKeys = null;
         loadCache.invalidate();
-        folderCache.set(null);
+        folderCache.reset();
     }
 
     public File fileFor(T b) {
@@ -429,7 +428,7 @@ public class ResourceLoader<T extends IrisRegistrant> implements MeteredCache {
     }
 
     public void clearList() {
-        folderCache.set(null);
+        folderCache.reset();
         possibleKeys = null;
     }
 

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

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

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

@@ -24,21 +24,21 @@ import com.volmit.iris.core.nms.v1X.NMSBinding1X;
 import org.bukkit.Bukkit;
 
 import java.util.List;
-import java.util.Map;
 
 public class INMS {
-    private static final Map<String, String> REVISION = Map.of(
-            "1.20.5", "v1_20_R4",
-            "1.20.6", "v1_20_R4",
-            "1.21", "v1_21_R1",
-            "1.21.1", "v1_21_R1",
-            "1.21.2", "v1_21_R2",
-            "1.21.3", "v1_21_R2",
-            "1.21.4", "v1_21_R3",
-            "1.21.5", "v1_21_R4",
-            "1.21.6", "v1_21_R5",
-            "1.21.7", "v1_21_R5"
+    private static final Version CURRENT = Boolean.getBoolean("iris.no-version-limit") ?
+            new Version(Integer.MAX_VALUE, Integer.MAX_VALUE, null) :
+            new Version(21, 8, null);
+
+    private static final List<Version> REVISION = List.of(
+            new Version(21, 6, "v1_21_R5"),
+            new Version(21, 5, "v1_21_R4"),
+            new Version(21, 4, "v1_21_R3"),
+            new Version(21, 2, "v1_21_R2"),
+            new Version(21, 0, "v1_21_R1"),
+            new Version(20, 5, "v1_20_R4")
     );
+
     private static final List<Version> PACKS = List.of(
             new Version(21, 5, "31100"),
             new Version(21, 4, "31020"),
@@ -48,7 +48,7 @@ public class INMS {
 
     //@done
     private static final INMSBinding binding = bind();
-    public static final String OVERWORLD_TAG = getOverworldTag();
+    public static final String OVERWORLD_TAG = getTag(PACKS, "3910");
 
     public static INMSBinding get() {
         return binding;
@@ -62,7 +62,7 @@ public class INMS {
         try {
             String name = Bukkit.getServer().getClass().getCanonicalName();
             if (name.equals("org.bukkit.craftbukkit.CraftServer")) {
-                return REVISION.getOrDefault(Bukkit.getServer().getBukkitVersion().split("-")[0], "BUKKIT");
+                return getTag(REVISION, "BUKKIT");
             } else {
                 return name.split("\\Q.\\E")[3];
             }
@@ -100,7 +100,7 @@ public class INMS {
         return new NMSBinding1X();
     }
 
-    private static String getOverworldTag() {
+    private static String getTag(List<Version> versions, String def) {
         var version = Bukkit.getServer().getBukkitVersion().split("-")[0].split("\\.", 3);
         int major = 0;
         int minor = 0;
@@ -111,13 +111,16 @@ public class INMS {
         } else if (version.length == 2) {
             major = Integer.parseInt(version[1]);
         }
+        if (CURRENT.major < major || CURRENT.minor < minor) {
+            return versions.getFirst().tag;
+        }
 
-        for (var p : PACKS) {
+        for (var p : versions) {
             if (p.major > major || p.minor > minor)
                 continue;
             return p.tag;
         }
-        return "3910";
+        return def;
     }
 
     private record Version(int major, int minor, String tag) {}

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

@@ -18,7 +18,12 @@
 
 package com.volmit.iris.core.nms;
 
+import com.volmit.iris.core.link.Identifier;
+import com.volmit.iris.core.nms.container.AutoClosing;
 import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.container.BlockProperty;
+import com.volmit.iris.core.nms.container.Pair;
+import com.volmit.iris.core.nms.container.StructurePlacement;
 import com.volmit.iris.core.nms.datapack.DataVersion;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.platform.PlatformChunkGenerator;
@@ -36,9 +41,9 @@ import org.bukkit.entity.EntityType;
 import org.bukkit.event.entity.CreatureSpawnEvent;
 import org.bukkit.generator.ChunkGenerator;
 import org.bukkit.inventory.ItemStack;
-import org.jetbrains.annotations.Nullable;
 
 import java.awt.Color;
+import java.util.List;
 
 public interface INMSBinding {
     boolean hasTile(Material material);
@@ -133,4 +138,10 @@ public interface INMSBinding {
     default boolean injectBukkit() {
         return true;
     }
+
+    KMap<Material, List<BlockProperty>> getBlockProperties();
+
+    void placeStructures(Chunk chunk);
+
+    KMap<Identifier, StructurePlacement> collectStructures();
 }

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

@@ -0,0 +1,196 @@
+package com.volmit.iris.core.nms.container;
+
+import com.volmit.iris.util.json.JSONArray;
+import com.volmit.iris.util.json.JSONObject;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.*;
+import java.util.function.Function;
+
+public class BlockProperty {
+    private static final Set<Class<?>> NATIVES = Set.of(Byte.class, Short.class, Integer.class, Long.class, Float.class, Double.class, Boolean.class, String.class);
+    private final String name;
+    private final Class<?> type;
+
+    private final Object defaultValue;
+    private final Set<Object> values;
+    private final Function<Object, String> nameFunction;
+    private final Function<Object, Object> jsonFunction;
+
+    public <T extends Comparable<T>> BlockProperty(
+            String name,
+            Class<T> type,
+            T defaultValue,
+            Collection<T> values,
+            Function<T, String> nameFunction
+    ) {
+        this.name = name;
+        this.type = type;
+        this.defaultValue = defaultValue;
+        this.values = Collections.unmodifiableSet(new TreeSet<>(values));
+        this.nameFunction = (Function<Object, String>) (Object) nameFunction;
+        jsonFunction = NATIVES.contains(type) ? Function.identity() : this.nameFunction::apply;
+    }
+
+    public static <T extends Enum<T>> BlockProperty ofEnum(Class<T> type, String name, T defaultValue) {
+        return new BlockProperty(
+                name,
+                type,
+                defaultValue,
+                Arrays.asList(type.getEnumConstants()),
+                val -> val == null ? "null" : val.name()
+        );
+    }
+
+    public static BlockProperty ofDouble(String name, float defaultValue, float min, float max, boolean exclusiveMin, boolean exclusiveMax) {
+        return new BoundedDouble(
+                name,
+                defaultValue,
+                min,
+                max,
+                exclusiveMin,
+                exclusiveMax,
+                (f) -> String.format("%.2f", f)
+        );
+    }
+
+    public static BlockProperty ofLong(String name, long defaultValue, long min, long max, boolean exclusiveMin, boolean exclusiveMax) {
+        return new BoundedLong(
+                name,
+                defaultValue,
+                min,
+                max,
+                exclusiveMin,
+                exclusiveMax,
+                (l) -> Long.toString(l)
+        );
+    }
+
+    public static BlockProperty ofBoolean(String name, boolean defaultValue) {
+        return new BlockProperty(
+                name,
+                Boolean.class,
+                defaultValue,
+                List.of(true, false),
+                (b) -> b ? "true" : "false"
+        );
+    }
+
+    @Override
+    public @NotNull String toString() {
+        return name + "=" + nameFunction.apply(defaultValue) + " [" + String.join(",", names()) + "]";
+    }
+
+    public String name() {
+        return name;
+    }
+
+    public String defaultValue() {
+        return nameFunction.apply(defaultValue);
+    }
+
+    public List<String> names() {
+        return values.stream().map(nameFunction).toList();
+    }
+
+    public Object defaultValueAsJson() {
+        return jsonFunction.apply(defaultValue);
+    }
+
+    public JSONArray valuesAsJson() {
+        return new JSONArray(values.stream().map(jsonFunction).toList());
+    }
+
+    public JSONObject buildJson() {
+        var json = new JSONObject();
+        json.put("type", jsonType());
+        json.put("default", defaultValueAsJson());
+        if (!values.isEmpty()) json.put("enum", valuesAsJson());
+        return json;
+    }
+
+    public String jsonType() {
+        if (type == Boolean.class)
+            return "boolean";
+        if (type == Byte.class || type == Short.class || type == Integer.class || type == Long.class)
+            return "integer";
+        if (type == Float.class || type == Double.class)
+            return "number";
+        return "string";
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) return true;
+        if (obj == null || obj.getClass() != this.getClass()) return false;
+        var that = (BlockProperty) obj;
+        return Objects.equals(this.name, that.name) &&
+                Objects.equals(this.values, that.values) &&
+                Objects.equals(this.type, that.type);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, values, type);
+    }
+
+    private static class BoundedLong extends BlockProperty {
+        private final long min, max;
+        private final boolean exclusiveMin, exclusiveMax;
+
+        public BoundedLong(
+                String name,
+                long defaultValue,
+                long min,
+                long max,
+                boolean exclusiveMin,
+                boolean exclusiveMax,
+                Function<Long, String> nameFunction
+        ) {
+            super(name, Long.class, defaultValue, List.of(), nameFunction);
+            this.min = min;
+            this.max = max;
+            this.exclusiveMin = exclusiveMin;
+            this.exclusiveMax = exclusiveMax;
+        }
+
+        @Override
+        public JSONObject buildJson() {
+            return super.buildJson()
+                    .put("minimum", min)
+                    .put("maximum", max)
+                    .put("exclusiveMinimum", exclusiveMin)
+                    .put("exclusiveMaximum", exclusiveMax);
+        }
+    }
+
+    private static class BoundedDouble extends BlockProperty {
+        private final double min, max;
+        private final boolean exclusiveMin, exclusiveMax;
+
+        public BoundedDouble(
+                String name,
+                double defaultValue,
+                double min,
+                double max,
+                boolean exclusiveMin,
+                boolean exclusiveMax,
+                Function<Double, String> nameFunction
+        ) {
+            super(name, Double.class, defaultValue, List.of(), nameFunction);
+            this.min = min;
+            this.max = max;
+            this.exclusiveMin = exclusiveMin;
+            this.exclusiveMax = exclusiveMax;
+        }
+
+        @Override
+        public JSONObject buildJson() {
+            return super.buildJson()
+                    .put("minimum", min)
+                    .put("maximum", max)
+                    .put("exclusiveMinimum", exclusiveMin)
+                    .put("exclusiveMaximum", exclusiveMax);
+        }
+    }
+}

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

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

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

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

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

@@ -8,7 +8,7 @@ import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.format.Form;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RollingSequence;
@@ -39,14 +39,14 @@ public class ChunkUpdater {
     private final AtomicInteger chunksUpdated = new AtomicInteger();
     private final AtomicBoolean serverEmpty = new AtomicBoolean(true);
     private final AtomicLong lastCpsTime = new AtomicLong(M.ms());
-    private final int coreLimit = (int) Math.max(Runtime.getRuntime().availableProcessors() * IrisSettings.get().getUpdater().getThreadMultiplier(), 1);
-    private final Semaphore semaphore = new Semaphore(256);
-    private final LoadBalancer loadBalancer = new LoadBalancer(semaphore, 256, IrisSettings.get().getUpdater().emptyMsRange);
+    private final int maxConcurrency = IrisSettings.get().getUpdater().getMaxConcurrency();
+    private final Semaphore semaphore = new Semaphore(maxConcurrency);
+    private final LoadBalancer loadBalancer = new LoadBalancer(semaphore, maxConcurrency, IrisSettings.get().getUpdater().emptyMsRange);
     private final AtomicLong startTime = new AtomicLong();
     private final Dimensions dimensions;
     private final PregenTask task;
-    private final ExecutorService executor = Executors.newFixedThreadPool(coreLimit);
-    private final ExecutorService chunkExecutor = Executors.newFixedThreadPool(coreLimit);
+    private final ExecutorService executor = Executors.newVirtualThreadPerTaskExecutor();
+    private final ExecutorService chunkExecutor = Executors.newVirtualThreadPerTaskExecutor();
     private final ScheduledExecutorService scheduler  = Executors.newScheduledThreadPool(1);
     private final CountDownLatch latch;
     private final Engine engine;
@@ -138,10 +138,10 @@ public class ChunkUpdater {
             loadBalancer.close();
             semaphore.acquire(256);
 
-            executor.shutdown();
-            executor.awaitTermination(5, TimeUnit.SECONDS);
             chunkExecutor.shutdown();
             chunkExecutor.awaitTermination(5, TimeUnit.SECONDS);
+            executor.shutdown();
+            executor.awaitTermination(5, TimeUnit.SECONDS);
             scheduler.shutdownNow();
             unloadAndSaveAllChunks();
         } catch (Exception ignored) {}

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

@@ -3,7 +3,9 @@ package com.volmit.iris.core.pregenerator.cache;
 import com.github.benmanes.caffeine.cache.Caffeine;
 import com.github.benmanes.caffeine.cache.LoadingCache;
 import com.github.benmanes.caffeine.cache.RemovalCause;
+import com.github.benmanes.caffeine.cache.Scheduler;
 import com.volmit.iris.Iris;
+import com.volmit.iris.util.data.KCache;
 import com.volmit.iris.util.data.Varint;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.documentation.RegionCoordinates;
@@ -14,12 +16,10 @@ import net.jpountz.lz4.LZ4BlockInputStream;
 import net.jpountz.lz4.LZ4BlockOutputStream;
 import org.jetbrains.annotations.Nullable;
 
-import javax.annotation.concurrent.NotThreadSafe;
 import java.io.*;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Predicate;
 
-@NotThreadSafe
 @RequiredArgsConstructor
 class PregenCacheImpl implements PregenCache {
     private static final int SIZE = 32;
@@ -27,6 +27,8 @@ class PregenCacheImpl implements PregenCache {
     private final HyperLock hyperLock = new HyperLock(SIZE * 2, true);
     private final LoadingCache<Pos, Plate> cache = Caffeine.newBuilder()
             .expireAfterAccess(10, TimeUnit.SECONDS)
+            .executor(KCache.EXECUTOR)
+            .scheduler(Scheduler.systemScheduler())
             .maximumSize(SIZE)
             .removalListener(this::onRemoval)
             .evictionListener(this::onRemoval)

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

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

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

@@ -0,0 +1,104 @@
+package com.volmit.iris.core.project;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.util.io.IO;
+import org.zeroturnaround.zip.ZipUtil;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.util.HashMap;
+import java.util.Optional;
+import java.util.Scanner;
+
+public class Gradle {
+    private static final boolean WINDOWS = System.getProperty("os.name").toLowerCase().contains("win");
+    private static final String[] ENVIRONMENT = createEnvironment();
+    private static final String VERSION = "8.14.2";
+    private static final String DISTRIBUTION_URL = "https://services.gradle.org/distributions/gradle-" + VERSION + "-bin.zip";
+    private static final String HASH = IO.hash(DISTRIBUTION_URL);
+
+    public static synchronized void wrapper(File projectDir) {
+        try {
+            File settings = new File(projectDir, "settings.gradle.kts");
+            if (!settings.exists()) settings.createNewFile();
+            runGradle(projectDir, "wrapper");
+        } catch (Throwable e) {
+            Iris.error("Failed to install gradle wrapper!");
+            e.printStackTrace();
+            Iris.reportError(e);
+        }
+    }
+
+    public static void runGradle(File projectDir, String... args) throws IOException, InterruptedException {
+        File gradle = downloadGradle(false);
+        String[] cmd = new String[args.length + 1];
+        cmd[0] = gradle.getAbsolutePath();
+        System.arraycopy(args, 0, cmd, 1, args.length);
+        var process = Runtime.getRuntime().exec(cmd, ENVIRONMENT, projectDir);
+        attach(process.getInputStream());
+        attach(process.getErrorStream());
+        var code = process.waitFor();
+        if (code == 0) return;
+        throw new RuntimeException("Gradle exited with code " + code);
+    }
+
+    private static synchronized File downloadGradle(boolean force) {
+        var folder = Iris.instance.getDataFolder("cache", HASH.substring(0, 2), HASH);
+        if (force) {
+            IO.delete(folder);
+            folder.mkdirs();
+        }
+
+        var bin = new File(folder, "gradle-" + VERSION + "/bin/gradle" + (WINDOWS ? ".bat" : ""));
+        if (bin.exists()) {
+            bin.setExecutable(true);
+            return bin;
+        }
+
+        try (var input = new BufferedInputStream(URI.create(DISTRIBUTION_URL).toURL().openStream())) {
+            ZipUtil.unpack(input, folder);
+        } catch (Throwable e) {
+            throw new RuntimeException("Failed to download gradle", e);
+        }
+
+        bin.setExecutable(true);
+        return bin;
+    }
+
+    private static String[] createEnvironment() {
+        var env = new HashMap<>(System.getenv());
+        env.put("JAVA_HOME", findJavaHome());
+        return env.entrySet()
+                .stream()
+                .map(e -> e.getKey() + "=" + e.getValue())
+                .toArray(String[]::new);
+    }
+
+    private static String findJavaHome() {
+        String javaHome = System.getProperty("java.home");
+        if (javaHome != null && new File(javaHome + "/bin/java" + (WINDOWS ? ".exe" : "")).exists()) {
+            return javaHome;
+        }
+
+        return ProcessHandle.current()
+                .info()
+                .command()
+                .map(s -> new File(s).getAbsoluteFile().getParentFile().getParentFile())
+                .flatMap(f -> f.exists() ? Optional.of(f.getAbsolutePath()) : Optional.empty())
+                .orElseThrow(() -> new RuntimeException("Failed to find java home, please set java.home system property"));
+    }
+
+    private static void attach(InputStream stream) {
+        Thread.ofVirtual().start(() -> {
+            try (var in = new Scanner(stream)) {
+                while (in.hasNextLine()) {
+                    String line = in.nextLine();
+                    Iris.debug("[GRADLE] " + line);
+                }
+            }
+        });
+    }
+}

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

@@ -24,6 +24,7 @@ import com.volmit.iris.core.IrisSettings;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.core.loader.ResourceLoader;
+import com.volmit.iris.core.scripting.environment.SimpleEnvironment;
 import com.volmit.iris.core.tools.IrisToolbelt;
 import com.volmit.iris.engine.object.*;
 import com.volmit.iris.engine.object.annotations.Snippet;
@@ -49,6 +50,8 @@ import lombok.Data;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.World;
+import org.dom4j.Document;
+import org.dom4j.Element;
 import org.zeroturnaround.zip.ZipUtil;
 
 import java.awt.*;
@@ -217,24 +220,15 @@ public class IrisProject {
             close();
         }
 
-        boolean hasError = false;
-
-        if (hasError) {
-            return;
-        }
-
-        IrisDimension d = IrisData.loadAnyDimension(getName());
-        if (d == null) {
-            sender.sendMessage("Can't find dimension: " + getName());
-            return;
-        } else if (sender.isPlayer()) {
-            sender.player().setGameMode(GameMode.SPECTATOR);
-        }
-
-        openVSCode(sender);
-
-
         J.a(() -> {
+            IrisDimension d = IrisData.loadAnyDimension(getName());
+            if (d == null) {
+                sender.sendMessage("Can't find dimension: " + getName());
+                return;
+            } else if (sender.isPlayer()) {
+                sender.player().setGameMode(GameMode.SPECTATOR);
+            }
+
             try {
                 activeProvider = (PlatformChunkGenerator) IrisToolbelt.createWorld()
                         .seed(seed)
@@ -247,6 +241,8 @@ public class IrisProject {
             } catch (IrisException e) {
                 e.printStackTrace();
             }
+
+            openVSCode(sender);
         });
     }
 
@@ -359,6 +355,74 @@ public class IrisProject {
         settings.put("json.schemas", schemas);
         ws.put("settings", settings);
 
+        dm.getEnvironment().configureProject();
+        File schemasFile = new File(path, ".idea" + File.separator + "jsonSchemas.xml");
+        Document doc = IO.read(schemasFile);
+        Element mappings = (Element) doc.selectSingleNode("//component[@name='JsonSchemaMappingsProjectConfiguration']");
+        if (mappings == null) {
+            mappings = doc.getRootElement()
+                    .addElement("component")
+                    .addAttribute("name", "JsonSchemaMappingsProjectConfiguration");
+        }
+
+        Element state = (Element) mappings.selectSingleNode("state");
+        if (state == null) state = mappings.addElement("state");
+
+        Element map = (Element) state.selectSingleNode("map");
+        if (map == null) map = state.addElement("map");
+        var schemaMap = new KMap<String, String>();
+        schemas.forEach(element -> {
+            if (!(element instanceof JSONObject obj))
+                return;
+
+            String url = obj.getString("url");
+            String dir = obj.getJSONArray("fileMatch").getString(0);
+            schemaMap.put(url, dir.substring(1, dir.indexOf("/*")));
+        });
+
+        map.selectNodes("entry/value/SchemaInfo/option[@name='relativePathToSchema']")
+                .stream()
+                .map(node -> node.valueOf("@value"))
+                .forEach(schemaMap::remove);
+
+        var ideaSchemas = map;
+        schemaMap.forEach((url, dir) -> {
+            var genName = UUID.randomUUID().toString();
+
+            var info = ideaSchemas.addElement("entry")
+                    .addAttribute("key", genName)
+                    .addElement("value")
+                    .addElement("SchemaInfo");
+            info.addElement("option")
+                    .addAttribute("name", "generatedName")
+                    .addAttribute("value", genName);
+            info.addElement("option")
+                    .addAttribute("name", "name")
+                    .addAttribute("value", dir);
+            info.addElement("option")
+                    .addAttribute("name", "relativePathToSchema")
+                    .addAttribute("value", url);
+
+
+            var item = info.addElement("option")
+                    .addAttribute("name", "patterns")
+                    .addElement("list")
+                    .addElement("Item");
+            item.addElement("option")
+                    .addAttribute("name", "directory")
+                    .addAttribute("value", "true");
+            item.addElement("option")
+                    .addAttribute("name", "path")
+                    .addAttribute("value", dir);
+            item.addElement("option")
+                    .addAttribute("name", "mappingKind")
+                    .addAttribute("value", "Directory");
+        });
+        if (!schemaMap.isEmpty()) {
+            IO.write(schemasFile, doc);
+        }
+        Gradle.wrapper(path);
+
         return ws;
     }
 

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

@@ -19,16 +19,19 @@
 package com.volmit.iris.core.project;
 
 import com.volmit.iris.Iris;
+import com.volmit.iris.core.link.Identifier;
+import com.volmit.iris.core.link.data.DataType;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.core.loader.ResourceLoader;
+import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.json.JSONArray;
 import com.volmit.iris.util.json.JSONObject;
-import com.volmit.iris.util.reflect.OldEnum;
+import com.volmit.iris.util.reflect.KeyedType;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.potion.PotionEffectType;
 import org.jetbrains.annotations.NotNull;
@@ -39,7 +42,6 @@ import java.lang.reflect.Modifier;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Function;
-import java.util.stream.Collectors;
 
 public class SchemaBuilder {
     private static final String SYMBOL_LIMIT__N = "*";
@@ -108,9 +110,12 @@ public class SchemaBuilder {
     private JSONObject buildProperties(Class<?> c) {
         JSONObject o = new JSONObject();
         JSONObject properties = new JSONObject();
-        o.put("description", getDescription(c));
+        String desc = getDescription(c);
+        o.put("description", desc);
+        o.put("x-intellij-html-description", desc.replace("\n", "<br>"));
         o.put("type", getType(c));
         JSONArray required = new JSONArray();
+        JSONArray extended = new JSONArray();
 
         if (c.isAssignableFrom(IrisRegistrant.class) || IrisRegistrant.class.isAssignableFrom(c)) {
             for (Field k : IrisRegistrant.class.getDeclaredFields()) {
@@ -122,11 +127,15 @@ public class SchemaBuilder {
 
                 JSONObject property = buildProperty(k, c);
 
-                if (property.getBoolean("!required")) {
+                if (Boolean.TRUE == property.remove("!required")) {
                     required.put(k.getName());
                 }
 
-                property.remove("!required");
+                if (Boolean.TRUE == property.remove("!top")) {
+                    extended.put(property);
+                    continue;
+                }
+
                 properties.put(k.getName(), property);
             }
         }
@@ -140,15 +149,24 @@ public class SchemaBuilder {
 
             JSONObject property = buildProperty(k, c);
 
-            if (property.getBoolean("!required"))
+            if (Boolean.TRUE == property.remove("!required")) {
                 required.put(k.getName());
-            property.remove("!required");
+            }
+
+            if (Boolean.TRUE == property.remove("!top")) {
+                extended.put(property);
+                continue;
+            }
+
             properties.put(k.getName(), property);
         }
 
         if (required.length() > 0) {
             o.put("required", required);
         }
+        if (extended.length() > 0) {
+            o.put("allOf", extended);
+        }
 
         o.put("properties", properties);
 
@@ -266,16 +284,18 @@ public class SchemaBuilder {
 
                     if (!definitions.containsKey(key)) {
                         JSONObject j = new JSONObject();
-                        KList<String> list = new KList<>();
-                        list.addAll(Iris.linkMythicMobs.getMythicMobTypes().stream().map(s -> "MythicMobs:" + s).collect(Collectors.toList()));
-                        //TODO add Citizens stuff here too
+                        KList<String> list = Iris.service(ExternalDataSVC.class)
+                                .getAllIdentifiers(DataType.ENTITY)
+                                .stream()
+                                .map(Identifier::toString)
+                                .collect(KList.collector());
                         j.put("enum", list.toJSONStringArray());
                         definitions.put(key, j);
                     }
 
-                    fancyType = "Mythic Mob Type";
+                    fancyType = "Custom Mob Type";
                     prop.put("$ref", "#/definitions/" + key);
-                    description.add(SYMBOL_TYPE__N + "  Must be a valid Mythic Mob Type (use ctrl+space for auto complete!) Define mythic mobs with the mythic mobs plugin configuration files.");
+                    description.add(SYMBOL_TYPE__N + "  Must be a valid Custom Mob Type (use ctrl+space for auto complete!)");
                 } else if (k.isAnnotationPresent(RegistryListFont.class)) {
                     String key = "enum-font";
 
@@ -332,20 +352,70 @@ public class SchemaBuilder {
                     prop.put("$ref", "#/definitions/" + key);
                     description.add(SYMBOL_TYPE__N + "  Must be a valid Potion Effect Type (use ctrl+space for auto complete!)");
 
+                } else if (KeyedType.isKeyed(k.getType())) {
+                    fancyType = addEnum(k.getType(), prop, description, KeyedType.values(k.getType()), Function.identity());
                 } else if (k.getType().isEnum()) {
                     fancyType = addEnum(k.getType(), prop, description, k.getType().getEnumConstants(), o -> ((Enum<?>) o).name());
-                } else if (OldEnum.isOldEnum(k.getType())) {
-                    fancyType = addEnum(k.getType(), prop, description, OldEnum.values(k.getType()), OldEnum::name);
                 }
             }
             case "object" -> {
-                fancyType = k.getType().getSimpleName().replaceAll("\\QIris\\E", "") + " (Object)";
-                String key = "obj-" + k.getType().getCanonicalName().replaceAll("\\Q.\\E", "-").toLowerCase();
-                if (!definitions.containsKey(key)) {
-                    definitions.put(key, new JSONObject());
-                    definitions.put(key, buildProperties(k.getType()));
+                //TODO add back descriptions
+                if (k.isAnnotationPresent(RegistryMapBlockState.class)) {
+                    String blockType = k.getDeclaredAnnotation(RegistryMapBlockState.class).value();
+                    fancyType = "Block State";
+                    prop.put("!top", true);
+                    JSONArray any = new JSONArray();
+                    prop.put("anyOf", any);
+
+                    B.getBlockStates().forEach((blocks, properties) -> {
+                        if (blocks.isEmpty()) return;
+
+                        String raw = blocks.getFirst().replace(':', '_');
+                        String enumKey = "enum-block-state-" + raw;
+                        String propertiesKey = "obj-block-state-" + raw;
+
+                        any.put(new JSONObject()
+                                .put("if", new JSONObject()
+                                        .put("properties", new JSONObject()
+                                                .put(blockType, new JSONObject()
+                                                        .put("type", "string")
+                                                        .put("$ref", "#/definitions/" + enumKey))))
+                                .put("then", new JSONObject()
+                                        .put("properties", new JSONObject()
+                                                .put(k.getName(), new JSONObject()
+                                                        .put("type", "object")
+                                                        .put("$ref", "#/definitions/" + propertiesKey))))
+                                .put("else", false));
+
+                        if (!definitions.containsKey(enumKey)) {
+                            JSONArray filters = new JSONArray();
+                            blocks.forEach(filters::put);
+
+                            definitions.put(enumKey, new JSONObject()
+                                    .put("type", "string")
+                                    .put("enum", filters));
+                        }
+
+                        if (!definitions.containsKey(propertiesKey)) {
+                            JSONObject props = new JSONObject();
+                            properties.forEach(property -> {
+                                props.put(property.name(), property.buildJson());
+                            });
+
+                            definitions.put(propertiesKey, new JSONObject()
+                                    .put("type", "object")
+                                    .put("properties", props));
+                        }
+                    });
+                } else {
+                    fancyType = k.getType().getSimpleName().replaceAll("\\QIris\\E", "") + " (Object)";
+                    String key = "obj-" + k.getType().getCanonicalName().replaceAll("\\Q.\\E", "-").toLowerCase();
+                    if (!definitions.containsKey(key)) {
+                        definitions.put(key, new JSONObject());
+                        definitions.put(key, buildProperties(k.getType()));
+                    }
+                    prop.put("$ref", "#/definitions/" + key);
                 }
-                prop.put("$ref", "#/definitions/" + key);
             }
             case "array" -> {
                 fancyType = "List of Something...?";
@@ -500,10 +570,10 @@ public class SchemaBuilder {
                                 items.put("$ref", "#/definitions/" + key);
                                 prop.put("items", items);
                                 description.add(SYMBOL_TYPE__N + "  Must be a valid Potion Effect Type (use ctrl+space for auto complete!)");
+                            } else if (KeyedType.isKeyed(t.type())) {
+                                fancyType = addEnumList(prop, description, t, KeyedType.values(t.type()), Function.identity());
                             } else if (t.type().isEnum()) {
                                 fancyType = addEnumList(prop, description, t, t.type().getEnumConstants(), o -> ((Enum<?>) o).name());
-                            } else if (OldEnum.isOldEnum(t.type())) {
-                                fancyType = addEnumList(prop, description, t, OldEnum.values(t.type()), OldEnum::name);
                             }
                         }
                     }
@@ -516,11 +586,12 @@ public class SchemaBuilder {
         }
 
         KList<String> d = new KList<>();
-        d.add(k.getName());
-        d.add(getFieldDescription(k));
-        d.add("   ");
-        d.add(fancyType);
-        d.add(getDescription(k.getType()));
+        d.add("<h>" + k.getName() + "</h>");
+        d.add(getFieldDescription(k) + "<hr></hr>");
+        d.add("<h>" + fancyType + "</h>");
+        String typeDesc = getDescription(k.getType());
+        boolean present = !typeDesc.isBlank();
+        if (present) d.add(typeDesc);
 
         Snippet snippet = k.getType().getDeclaredAnnotation(Snippet.class);
         if (snippet == null) {
@@ -532,8 +603,9 @@ public class SchemaBuilder {
 
         if (snippet != null) {
             String sm = snippet.value();
-            d.add("    ");
+            if (present) d.add("    ");
             d.add("You can instead specify \"snippet/" + sm + "/some-name.json\" to use a snippet file instead of specifying it here.");
+            present = false;
         }
 
         try {
@@ -541,15 +613,13 @@ public class SchemaBuilder {
             Object value = k.get(cl.newInstance());
 
             if (value != null) {
+                if (present) d.add("    ");
                 if (value instanceof List) {
-                    d.add("    ");
-                    d.add("* Default Value is an empty list");
-                } else if (!cl.isPrimitive() && !(value instanceof Number) && !(value instanceof String) && !(cl.isEnum()) && !OldEnum.isOldEnum(cl)) {
-                    d.add("    ");
-                    d.add("* Default Value is a default object (create this object to see default properties)");
+                    d.add(SYMBOL_LIMIT__N + " Default Value is an empty list");
+                } else if (!cl.isPrimitive() && !(value instanceof Number) && !(value instanceof String) && !(cl.isEnum()) && !KeyedType.isKeyed(cl)) {
+                    d.add(SYMBOL_LIMIT__N + " Default Value is a default object (create this object to see default properties)");
                 } else {
-                    d.add("    ");
-                    d.add("* Default Value is " + value);
+                    d.add(SYMBOL_LIMIT__N + " Default Value is " + value);
                 }
             }
         } catch (Throwable ignored) {
@@ -557,8 +627,14 @@ public class SchemaBuilder {
         }
 
         description.forEach((g) -> d.add(g.trim()));
+        String desc = d.toString("\n")
+                .replace("<hr></hr>", "\n")
+                .replace("<h>", "")
+                .replace("</h>", "");
+        String hDesc = d.toString("<br>");
         prop.put("type", type);
-        prop.put("description", d.toString("\n"));
+        prop.put("description", desc);
+        prop.put("x-intellij-html-description", hDesc);
         return buildSnippet(prop, k.getType());
     }
 
@@ -584,15 +660,17 @@ public class SchemaBuilder {
         arr.put(prop);
         arr.put(str);
         str.put("description", prop.getString("description"));
+        str.put("x-intellij-html-description", prop.getString("x-intellij-html-description"));
         anyOf.put("anyOf", arr);
         anyOf.put("description", prop.getString("description"));
+        anyOf.put("x-intellij-html-description", prop.getString("x-intellij-html-description"));
         anyOf.put("!required", type.isAnnotationPresent(Required.class));
 
         return anyOf;
     }
 
     @NotNull
-    private String addEnumList(JSONObject prop, KList<String> description, ArrayType t, Object[] values, Function<Object, String> function) {
+    private <T> String addEnumList(JSONObject prop, KList<String> description, ArrayType t, T[] values, Function<T, String> function) {
         JSONObject items = new JSONObject();
         var s = addEnum(t.type(), items, description, values, function);
         prop.put("items", items);
@@ -601,17 +679,19 @@ public class SchemaBuilder {
     }
 
     @NotNull
-    private String addEnum(Class<?> type, JSONObject prop, KList<String> description, Object[] values, Function<Object, String> function) {
+    private <T> String addEnum(Class<?> type, JSONObject prop, KList<String> description, T[] values, Function<T, String> function) {
         JSONArray a = new JSONArray();
         boolean advanced = type.isAnnotationPresent(Desc.class);
-        for (Object gg : values) {
+        for (T gg : values) {
             if (advanced) {
                 try {
                     JSONObject j = new JSONObject();
                     String name = function.apply(gg);
                     j.put("const", name);
                     Desc dd = type.getField(name).getAnnotation(Desc.class);
-                    j.put("description", dd == null ? ("No Description for " + name) : dd.value());
+                    String desc = dd == null ? ("No Description for " + name) : dd.value();
+                    j.put("description", desc);
+                    j.put("x-intellij-html-description", desc.replace("\n", "<br>"));
                     a.put(j);
                 } catch (Throwable e) {
                     Iris.reportError(e);
@@ -648,7 +728,7 @@ public class SchemaBuilder {
             return "boolean";
         }
 
-        if (c.equals(String.class) || c.isEnum() || OldEnum.isOldEnum(c) || c.equals(Enchantment.class) || c.equals(PotionEffectType.class)) {
+        if (c.equals(String.class) || c.isEnum() || KeyedType.isKeyed(c)) {
             return "string";
         }
 

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

@@ -1,15 +1,13 @@
 package com.volmit.iris.core.safeguard;
 
 import com.volmit.iris.Iris;
-import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.IrisWorlds;
 import com.volmit.iris.core.nms.INMS;
 import com.volmit.iris.core.nms.v1X.NMSBinding1X;
 import com.volmit.iris.engine.object.IrisDimension;
 import com.volmit.iris.util.agent.Agent;
 import com.volmit.iris.util.collection.KSet;
-import com.volmit.iris.util.misc.ServerProperties;
 import org.bukkit.Bukkit;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginManager;
 import javax.tools.JavaCompiler;
@@ -21,6 +19,7 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.StandardOpenOption;
 import java.util.*;
+import java.util.stream.Collectors;
 
 import static com.volmit.iris.Iris.getJavaVersion;
 import static com.volmit.iris.core.safeguard.IrisSafeguard.*;
@@ -187,27 +186,9 @@ public class ServerBootSFG {
     }
 
     private static KSet<String> getDimensionTypes() {
-        var bukkit = YamlConfiguration.loadConfiguration(ServerProperties.BUKKIT_YML);
-        var worlds = bukkit.getConfigurationSection("worlds");
-        if (worlds == null) return new KSet<>();
-
-        var types = new KSet<String>();
-        for (String world : worlds.getKeys(false)) {
-            var gen = worlds.getString(world + ".generator");
-            if (gen == null) continue;
-
-            String loadKey;
-            if (gen.equalsIgnoreCase("iris")) {
-                loadKey = IrisSettings.get().getGenerator().getDefaultWorldType();
-            } else if (gen.startsWith("Iris:")) {
-                loadKey = gen.substring(5);
-            } else continue;
-
-            IrisDimension dimension = Iris.loadDimension(world, loadKey);
-            if (dimension == null) continue;
-            types.add(dimension.getDimensionTypeKey());
-        }
-
-        return types;
+        return IrisWorlds.get()
+                .getDimensions()
+                .map(IrisDimension::getDimensionTypeKey)
+                .collect(Collectors.toCollection(KSet::new));
     }
 }

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

@@ -0,0 +1,25 @@
+package com.volmit.iris.core.scripting.environment;
+
+import com.volmit.iris.core.loader.IrisRegistrant;
+import com.volmit.iris.core.scripting.kotlin.environment.IrisExecutionEnvironment;
+import com.volmit.iris.engine.framework.Engine;
+import lombok.NonNull;
+import org.bukkit.Location;
+import org.bukkit.entity.Entity;
+import org.jetbrains.annotations.Nullable;
+
+public interface EngineEnvironment extends PackEnvironment {
+    static EngineEnvironment create(@NonNull Engine engine) {
+        return new IrisExecutionEnvironment(engine);
+    }
+
+    @NonNull
+    Engine getEngine();
+
+    @Nullable
+    Object spawnMob(@NonNull String script, @NonNull Location location);
+
+    void postSpawnMob(@NonNull String script, @NonNull Location location, @NonNull Entity mob);
+
+    void preprocessObject(@NonNull String script, @NonNull IrisRegistrant object);
+}

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

@@ -0,0 +1,19 @@
+package com.volmit.iris.core.scripting.environment;
+
+import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.scripting.kotlin.environment.IrisPackExecutionEnvironment;
+import com.volmit.iris.util.math.RNG;
+import lombok.NonNull;
+import org.jetbrains.annotations.Nullable;
+
+public interface PackEnvironment extends SimpleEnvironment {
+    static PackEnvironment create(@NonNull IrisData data) {
+        return new IrisPackExecutionEnvironment(data);
+    }
+
+    @NonNull
+    IrisData getData();
+
+    @Nullable
+    Object createNoise(@NonNull String script, @NonNull RNG rng);
+}

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

@@ -0,0 +1,34 @@
+package com.volmit.iris.core.scripting.environment;
+
+import com.volmit.iris.core.scripting.kotlin.environment.IrisSimpleExecutionEnvironment;
+import lombok.NonNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.File;
+import java.util.Map;
+
+public interface SimpleEnvironment {
+    static SimpleEnvironment create() {
+        return new IrisSimpleExecutionEnvironment();
+    }
+
+    static SimpleEnvironment create(@NonNull File projectDir) {
+        return new IrisSimpleExecutionEnvironment(projectDir);
+    }
+
+    void configureProject();
+
+    void execute(@NonNull String script);
+
+    void execute(@NonNull String script, @NonNull Class<?> type, @Nullable Map<@NonNull String, Object> vars);
+
+    @Nullable
+    Object evaluate(@NonNull String script);
+
+    @Nullable
+    Object evaluate(@NonNull String script, @NonNull Class<?> type, @Nullable Map<@NonNull String, Object> vars);
+
+    default void close() {
+
+    }
+}

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

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

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

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

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

@@ -20,16 +20,22 @@ package com.volmit.iris.core.service;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.link.*;
+import com.volmit.iris.core.link.data.DataType;
+import com.volmit.iris.core.nms.container.BlockProperty;
 import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.io.JarScanner;
 import com.volmit.iris.util.plugin.IrisService;
+import com.volmit.iris.util.scheduling.J;
 import lombok.Data;
 import lombok.NonNull;
 import org.bukkit.Bukkit;
+import org.bukkit.Location;
 import org.bukkit.block.Block;
 import org.bukkit.block.data.BlockData;
+import org.bukkit.entity.Entity;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.server.PluginEnableEvent;
 import org.bukkit.inventory.ItemStack;
@@ -47,43 +53,12 @@ public class ExternalDataSVC implements IrisService {
         Iris.info("Loading ExternalDataProvider...");
         Bukkit.getPluginManager().registerEvents(this, Iris.instance);
 
-        providers.add(new NexoDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("Nexo") != null) {
-            Iris.info("Nexo found, loading NexoDataProvider...");
-        }
-        providers.add(new MythicCrucibleDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("MythicCrucible") != null) {
-            Iris.info("MythicCrucible found, loading MythicCrucibleDataProvider...");
-        }
-        providers.add(new ItemAdderDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("ItemAdder") != null) {
-            Iris.info("ItemAdder found, loading ItemAdderDataProvider...");
-        }
-        providers.add(new ExecutableItemsDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("ExecutableItems") != null) {
-            Iris.info("ExecutableItems found, loading ExecutableItemsDataProvider...");
-        }
-        providers.add(new HMCLeavesDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("HMCLeaves") != null) {
-            Iris.info("BlockAdder found, loading HMCLeavesDataProvider...");
-        }
-        providers.add(new MMOItemsDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("MMOItems") != null) {
-            Iris.info("MMOItems found, loading MMOItemsDataProvider...");
-        }
-        providers.add(new EcoItemsDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("EcoItems") != null) {
-            Iris.info("EcoItems found, loading EcoItemsDataProvider...");
-        }
-        providers.add(new KGeneratorsDataProvider());
-        if (Bukkit.getPluginManager().getPlugin("KGenerators") != null) {
-            Iris.info("KGenerators found, loading KGeneratorsDataProvider...");
-        }
-
+        providers.addAll(createProviders());
         for (ExternalDataProvider p : providers) {
             if (p.isReady()) {
                 activeProviders.add(p);
                 p.init();
+                Iris.instance.registerListener(p);
                 Iris.info("Enabled ExternalDataProvider for %s.", p.getPluginId());
             }
         }
@@ -95,10 +70,11 @@ public class ExternalDataSVC implements IrisService {
 
     @EventHandler
     public void onPluginEnable(PluginEnableEvent e) {
-        if (activeProviders.stream().noneMatch(p -> p.getPlugin().equals(e.getPlugin()))) {
-            providers.stream().filter(p -> p.isReady() && p.getPlugin().equals(e.getPlugin())).findFirst().ifPresent(edp -> {
+        if (activeProviders.stream().noneMatch(p -> e.getPlugin().equals(p.getPlugin()))) {
+            providers.stream().filter(p -> p.isReady() && e.getPlugin().equals(p.getPlugin())).findFirst().ifPresent(edp -> {
                 activeProviders.add(edp);
                 edp.init();
+                Iris.instance.registerListener(edp);
                 Iris.info("Enabled ExternalDataProvider for %s.", edp.getPluginId());
             });
         }
@@ -113,6 +89,7 @@ public class ExternalDataSVC implements IrisService {
         if (provider.isReady()) {
             activeProviders.add(provider);
             provider.init();
+            Iris.instance.registerListener(provider);
         }
     }
 
@@ -120,7 +97,7 @@ public class ExternalDataSVC implements IrisService {
         var pair = parseState(key);
         Identifier mod = pair.getA();
 
-        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(mod, false)).findFirst();
+        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(mod, DataType.BLOCK)).findFirst();
         if (provider.isEmpty())
             return Optional.empty();
         try {
@@ -131,8 +108,20 @@ public class ExternalDataSVC implements IrisService {
         }
     }
 
+    public Optional<List<BlockProperty>> getBlockProperties(final Identifier key) {
+        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(key, DataType.BLOCK)).findFirst();
+        if (provider.isEmpty())
+            return Optional.empty();
+        try {
+            return Optional.of(provider.get().getBlockProperties(key));
+        } catch (MissingResourceException e) {
+            Iris.error(e.getMessage() + " - [" + e.getClassName() + ":" + e.getKey() + "]");
+            return Optional.empty();
+        }
+    }
+
     public Optional<ItemStack> getItemStack(Identifier key, KMap<String, Object> customNbt) {
-        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(key, true)).findFirst();
+        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(key, DataType.ITEM)).findFirst();
         if (provider.isEmpty()) {
             Iris.warn("No matching Provider found for modded material \"%s\"!", key);
             return Optional.empty();
@@ -146,7 +135,7 @@ public class ExternalDataSVC implements IrisService {
     }
 
     public void processUpdate(Engine engine, Block block, Identifier blockId) {
-        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(blockId, false)).findFirst();
+        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(blockId, DataType.BLOCK)).findFirst();
         if (provider.isEmpty()) {
             Iris.warn("No matching Provider found for modded material \"%s\"!", blockId);
             return;
@@ -154,16 +143,32 @@ public class ExternalDataSVC implements IrisService {
         provider.get().processUpdate(engine, block, blockId);
     }
 
-    public Identifier[] getAllBlockIdentifiers() {
-        KList<Identifier> names = new KList<>();
-        activeProviders.forEach(p -> names.add(p.getBlockTypes()));
-        return names.toArray(new Identifier[0]);
+    public Entity spawnMob(Location location, Identifier mobId) {
+        Optional<ExternalDataProvider> provider = activeProviders.stream().filter(p -> p.isValidProvider(mobId, DataType.ENTITY)).findFirst();
+        if (provider.isEmpty()) {
+            Iris.warn("No matching Provider found for modded mob \"%s\"!", mobId);
+            return null;
+        }
+        try {
+            return provider.get().spawnMob(location, mobId);
+        } catch (MissingResourceException e) {
+            Iris.error(e.getMessage() + " - [" + e.getClassName() + ":" + e.getKey() + "]");
+            return null;
+        }
     }
 
-    public Identifier[] getAllItemIdentifiers() {
-        KList<Identifier> names = new KList<>();
-        activeProviders.forEach(p -> names.add(p.getItemTypes()));
-        return names.toArray(new Identifier[0]);
+    public Collection<Identifier> getAllIdentifiers(DataType dataType) {
+        return activeProviders.stream()
+                .flatMap(p -> p.getTypes(dataType).stream())
+                .toList();
+    }
+
+    public Collection<Pair<Identifier, List<BlockProperty>>> getAllBlockProperties() {
+        return activeProviders.stream()
+                .flatMap(p -> p.getTypes(DataType.BLOCK)
+                        .stream()
+                        .map(id -> new Pair<>(id, p.getBlockProperties(id))))
+                .toList();
     }
 
     public static Pair<Identifier, KMap<String, String>> parseState(Identifier key) {
@@ -188,4 +193,21 @@ public class ExternalDataSVC implements IrisService {
                 .collect(Collectors.joining(",", key.key() + "[", "]"));
         return new Identifier(key.namespace(), path);
     }
+
+    private static KList<ExternalDataProvider> createProviders() {
+        JarScanner jar = new JarScanner(Iris.instance.getJarFile(), "com.volmit.iris.core.link.data", false);
+        J.attempt(jar::scan);
+        KList<ExternalDataProvider> providers = new KList<>();
+
+        for (Class<?> c : jar.getClasses()) {
+            if (ExternalDataProvider.class.isAssignableFrom(c)) {
+                try {
+                    ExternalDataProvider p = (ExternalDataProvider) c.getDeclaredConstructor().newInstance();
+                    if (p.getPlugin() != null) Iris.info(p.getPluginId() + " found, loading " + c.getSimpleName() + "...");
+                    providers.add(p);
+                } catch (Throwable ignored) {}
+            }
+        }
+        return providers;
+    }
 }

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

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

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

@@ -157,6 +157,7 @@ public class IrisEngineSVC implements IrisService {
     private final class Registered {
         private final String name;
         private final PlatformChunkGenerator access;
+        private final int offset = RNG.r.nextInt(1000);
         private transient ScheduledFuture<?> trimmer;
         private transient ScheduledFuture<?> unloader;
         private transient boolean closed;
@@ -193,7 +194,7 @@ public class IrisEngineSVC implements IrisService {
                         Iris.error("EngineSVC: Failed to trim for " + name);
                         e.printStackTrace();
                     }
-                }, RNG.r.nextInt(1000), 1000, TimeUnit.MILLISECONDS);
+                }, offset, 2000, TimeUnit.MILLISECONDS);
             }
 
             if (unloader == null || unloader.isDone() || unloader.isCancelled()) {
@@ -204,7 +205,7 @@ public class IrisEngineSVC implements IrisService {
 
                     try {
                         long unloadStart = System.currentTimeMillis();
-                        int count = engine.getMantle().unloadTectonicPlate(tectonicLimit());
+                        int count = engine.getMantle().unloadTectonicPlate(IrisSettings.get().getPerformance().getEngineSVC().forceMulticoreWrite ? 0 : tectonicLimit());
                         if (count > 0) {
                             Iris.debug(C.GOLD + "Unloaded " + C.YELLOW + count + " TectonicPlates in " + C.RED + Form.duration(System.currentTimeMillis() - unloadStart, 2));
                         }
@@ -213,7 +214,7 @@ public class IrisEngineSVC implements IrisService {
                         Iris.error("EngineSVC: Failed to unload for " + name);
                         e.printStackTrace();
                     }
-                }, RNG.r.nextInt(1000), 1000, TimeUnit.MILLISECONDS);
+                }, offset + 1000, 2000, TimeUnit.MILLISECONDS);
             }
         }
 

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

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

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

@@ -88,16 +88,18 @@ public class StudioSVC implements IrisService {
     }
 
     public IrisDimension installIntoWorld(VolmitSender sender, String type, File folder) {
+        return installInto(sender, type, new File(folder, "iris/pack"));
+    }
+
+    public IrisDimension installInto(VolmitSender sender, String type, File folder) {
         sender.sendMessage("Looking for Package: " + type);
-        File iris = new File(folder, "iris");
-        File irispack = new File(folder, "iris/pack");
         IrisDimension dim = IrisData.loadAnyDimension(type);
 
         if (dim == null) {
             for (File i : getWorkspaceFolder().listFiles()) {
                 if (i.isFile() && i.getName().equals(type + ".iris")) {
                     sender.sendMessage("Found " + type + ".iris in " + WORKSPACE_NAME + " folder");
-                    ZipUtil.unpack(i, irispack);
+                    ZipUtil.unpack(i, folder);
                     break;
                 }
             }
@@ -106,29 +108,29 @@ public class StudioSVC implements IrisService {
             File f = new IrisProject(new File(getWorkspaceFolder(), type)).getPath();
 
             try {
-                FileUtils.copyDirectory(f, irispack);
+                FileUtils.copyDirectory(f, folder);
             } catch (IOException e) {
                 Iris.reportError(e);
             }
         }
 
-        File dimf = new File(irispack, "dimensions/" + type + ".json");
+        File dimensionFile = new File(folder, "dimensions/" + type + ".json");
 
-        if (!dimf.exists() || !dimf.isFile()) {
+        if (!dimensionFile.exists() || !dimensionFile.isFile()) {
             downloadSearch(sender, type, false);
             File downloaded = getWorkspaceFolder(type);
 
             for (File i : downloaded.listFiles()) {
                 if (i.isFile()) {
                     try {
-                        FileUtils.copyFile(i, new File(irispack, i.getName()));
+                        FileUtils.copyFile(i, new File(folder, i.getName()));
                     } catch (IOException e) {
                         e.printStackTrace();
                         Iris.reportError(e);
                     }
                 } else {
                     try {
-                        FileUtils.copyDirectory(i, new File(irispack, i.getName()));
+                        FileUtils.copyDirectory(i, new File(folder, i.getName()));
                     } catch (IOException e) {
                         e.printStackTrace();
                         Iris.reportError(e);
@@ -139,12 +141,14 @@ public class StudioSVC implements IrisService {
             IO.delete(downloaded);
         }
 
-        if (!dimf.exists() || !dimf.isFile()) {
-            sender.sendMessage("Can't find the " + dimf.getName() + " in the dimensions folder of this pack! Failed!");
+        if (!dimensionFile.exists() || !dimensionFile.isFile()) {
+            sender.sendMessage("Can't find the " + dimensionFile.getName() + " in the dimensions folder of this pack! Failed!");
             return null;
         }
 
-        IrisData dm = IrisData.get(irispack);
+        IrisData dm = IrisData.get(folder);
+        dm.dump();
+        dm.clearLists();
         dim = dm.getDimensionLoader().load(type);
 
         if (dim == null) {

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

@@ -43,8 +43,9 @@ import java.io.File;
 import java.io.IOException;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicReference;
-import java.util.function.Supplier;
+import java.util.function.IntSupplier;
+
+import static com.volmit.iris.util.misc.ServerProperties.BUKKIT_YML;
 
 /**
  * Makes it a lot easier to setup an engine, world, studio or whatever
@@ -52,7 +53,6 @@ import java.util.function.Supplier;
 @Data
 @Accessors(fluent = true, chain = true)
 public class IrisCreator {
-    private static final File BUKKIT_YML = new File("bukkit.yml");
     /**
      * Specify an area to pregenerate during creation
      */
@@ -127,8 +127,6 @@ public class IrisCreator {
             Iris.service(StudioSVC.class).installIntoWorld(sender, d.getLoadKey(), new File(Bukkit.getWorldContainer(), name()));
         }
 
-        PlatformChunkGenerator access;
-        AtomicReference<World> world = new AtomicReference<>();
         AtomicDouble pp = new AtomicDouble(0);
         O<Boolean> done = new O<>();
         done.set(false);
@@ -138,30 +136,29 @@ public class IrisCreator {
                 .seed(seed)
                 .studio(studio)
                 .create();
-        ServerConfigurator.installDataPacks(false);
+        if (ServerConfigurator.installDataPacks(true)) {
+            throw new IrisException("Datapacks were missing!");
+        }
 
-        access = (PlatformChunkGenerator) wc.generator();
-        PlatformChunkGenerator finalAccess1 = access;
+        PlatformChunkGenerator access = (PlatformChunkGenerator) wc.generator();
+        if (access == null) throw new IrisException("Access is null. Something bad happened.");
 
-        J.a(() ->
-        {
-            Supplier<Integer> g = () -> {
-                if (finalAccess1 == null || finalAccess1.getEngine() == null) {
+        J.a(() -> {
+            IntSupplier g = () -> {
+                if (access.getEngine() == null) {
                     return 0;
                 }
-                return finalAccess1.getEngine().getGenerated();
+                return access.getEngine().getGenerated();
             };
             if(!benchmark) {
-                if (finalAccess1 == null) return;
-                int req = finalAccess1.getSpawnChunks().join();
-
-                while (g.get() < req) {
-                    double v = (double) g.get() / (double) req;
+                int req = access.getSpawnChunks().join();
+                for (int c = 0; c < req && !done.get(); c = g.getAsInt()) {
+                    double v = (double) c / req;
                     if (sender.isPlayer()) {
                         sender.sendProgress(v, "Generating");
                         J.sleep(16);
                     } else {
-                        sender.sendMessage(C.WHITE + "Generating " + Form.pc(v) + ((C.GRAY + " (" + (req - g.get()) + " Left)")));
+                        sender.sendMessage(C.WHITE + "Generating " + Form.pc(v) + ((C.GRAY + " (" + (req - c) + " Left)")));
                         J.sleep(1000);
                     }
                 }
@@ -169,39 +166,33 @@ public class IrisCreator {
         });
 
 
+        World world;
         try {
-            J.sfut(() -> {
-                world.set(INMS.get().createWorld(wc));
-            }).get();
+            world = J.sfut(() -> INMS.get().createWorld(wc)).get();
         } catch (Throwable e) {
-            e.printStackTrace();
-        }
-
-        if (access == null) {
-            throw new IrisException("Access is null. Something bad happened.");
+            done.set(true);
+            throw new IrisException("Failed to create world!", e);
         }
 
         done.set(true);
 
         if (sender.isPlayer() && !benchmark) {
-            J.s(() -> {
-                sender.player().teleport(new Location(world.get(), 0, world.get().getHighestBlockYAt(0, 0), 0));
-            });
+            J.s(() -> sender.player().teleport(new Location(world, 0, world.getHighestBlockYAt(0, 0) + 1, 0)));
         }
 
         if (studio || benchmark) {
             J.s(() -> {
-                Iris.linkMultiverseCore.removeFromConfig(world.get());
+                Iris.linkMultiverseCore.removeFromConfig(world);
 
                 if (IrisSettings.get().getStudio().isDisableTimeAndWeather()) {
-                    world.get().setGameRule(GameRule.DO_WEATHER_CYCLE, false);
-                    world.get().setGameRule(GameRule.DO_DAYLIGHT_CYCLE, false);
-                    world.get().setTime(6000);
+                    world.setGameRule(GameRule.DO_WEATHER_CYCLE, false);
+                    world.setGameRule(GameRule.DO_DAYLIGHT_CYCLE, false);
+                    world.setTime(6000);
                 }
             });
         } else {
             addToBukkitYml();
-            J.s(() -> Iris.linkMultiverseCore.updateWorld(world.get(), dimension));
+            J.s(() -> Iris.linkMultiverseCore.updateWorld(world, dimension));
         }
 
         if (pregen != null) {
@@ -232,7 +223,7 @@ public class IrisCreator {
                 e.printStackTrace();
             }
         }
-        return world.get();
+        return world;
     }
 
     private void addToBukkitYml() {

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

@@ -21,13 +21,10 @@ package com.volmit.iris.core.tools;
 import com.volmit.iris.core.loader.IrisData;
 import com.volmit.iris.engine.object.*;
 import com.volmit.iris.engine.platform.BukkitChunkGenerator;
-import com.volmit.iris.util.reflect.WrappedField;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.WorldCreator;
-import org.bukkit.WorldType;
 import org.bukkit.generator.ChunkGenerator;
-import sun.misc.Unsafe;
 
 import java.io.File;
 
@@ -83,7 +80,7 @@ public class IrisWorldCreator {
 
 
         return new WorldCreator(name)
-                .environment(findEnvironment())
+                .environment(w.environment())
                 .generateStructures(true)
                 .generator(g).seed(seed);
     }

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

@@ -25,8 +25,6 @@ import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.*;
 import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.data.DataProvider;
 import com.volmit.iris.util.interpolation.IrisInterpolation.NoiseKey;
@@ -43,7 +41,7 @@ import org.bukkit.block.Biome;
 import org.bukkit.block.data.BlockData;
 
 import java.io.File;
-import java.util.UUID;
+import java.util.*;
 
 @Data
 @EqualsAndHashCode(exclude = "data")
@@ -53,7 +51,7 @@ public class IrisComplex implements DataProvider {
     private RNG rng;
     private double fluidHeight;
     private IrisData data;
-    private KMap<IrisInterpolator, KSet<IrisGenerator>> generators;
+    private Map<IrisInterpolator, Set<IrisGenerator>> generators;
     private ProceduralStream<IrisRegion> regionStream;
     private ProceduralStream<Double> regionStyleStream;
     private ProceduralStream<Double> regionIdentityStream;
@@ -98,10 +96,10 @@ public class IrisComplex implements DataProvider {
         this.data = engine.getData();
         double height = engine.getMaxHeight();
         fluidHeight = engine.getDimension().getFluidHeight();
-        generators = new KMap<>();
+        generators = new HashMap<>();
         focusBiome = engine.getFocus();
         focusRegion = engine.getFocusRegion();
-        KMap<InferredType, ProceduralStream<IrisBiome>> inferredStreams = new KMap<>();
+        Map<InferredType, ProceduralStream<IrisBiome>> inferredStreams = new HashMap<>();
 
         if (focusBiome != null) {
             focusBiome.setInferredType(InferredType.LAND);
@@ -118,6 +116,7 @@ public class IrisComplex implements DataProvider {
                             .getAllBiomes(this)
                             .forEach(this::registerGenerators));
         }
+        boolean legacy = engine.getDimension().isLegacyRarity();
         overlayStream = ProceduralStream.ofDouble((x, z) -> 0.0D).waste("Overlay Stream");
         engine.getDimension().getOverlayNoise().forEach(i -> overlayStream = overlayStream.add((x, z) -> i.get(rng, getData(), x, z)));
         rockStream = engine.getDimension().getRockPalette().getLayerGenerator(rng.nextParallelRNG(45), data).stream()
@@ -131,7 +130,7 @@ public class IrisComplex implements DataProvider {
                 ProceduralStream.of((x, z) -> focusRegion,
                         Interpolated.of(a -> 0D, a -> focusRegion))
                 : regionStyleStream
-                .selectRarity(data.getRegionLoader().loadAll(engine.getDimension().getRegions()))
+                .selectRarity(data.getRegionLoader().loadAll(engine.getDimension().getRegions()), legacy)
                 .cache2D("regionStream", engine, cacheSize).waste("Region Stream");
         regionIDStream = regionIdentityStream.convertCached((i) -> new UUID(Double.doubleToLongBits(i),
                 String.valueOf(i * 38445).hashCode() * 3245556666L)).waste("Region ID Stream");
@@ -140,7 +139,7 @@ public class IrisComplex implements DataProvider {
                         -> engine.getDimension().getCaveBiomeStyle().create(rng.nextParallelRNG(InferredType.CAVE.ordinal()), getData()).stream()
                         .zoom(engine.getDimension().getBiomeZoom())
                         .zoom(r.getCaveBiomeZoom())
-                        .selectRarity(data.getBiomeLoader().loadAll(r.getCaveBiomes()))
+                        .selectRarity(data.getBiomeLoader().loadAll(r.getCaveBiomes()), legacy)
                         .onNull(emptyBiome)
                 ).convertAware2D(ProceduralStream::get).cache2D("caveBiomeStream", engine, cacheSize).waste("Cave Biome Stream");
         inferredStreams.put(InferredType.CAVE, caveBiomeStream);
@@ -150,7 +149,7 @@ public class IrisComplex implements DataProvider {
                         .zoom(engine.getDimension().getBiomeZoom())
                         .zoom(engine.getDimension().getLandZoom())
                         .zoom(r.getLandBiomeZoom())
-                        .selectRarity(data.getBiomeLoader().loadAll(r.getLandBiomes(), (t) -> t.setInferredType(InferredType.LAND)))
+                        .selectRarity(data.getBiomeLoader().loadAll(r.getLandBiomes(), (t) -> t.setInferredType(InferredType.LAND)), legacy)
                 ).convertAware2D(ProceduralStream::get)
                 .cache2D("landBiomeStream", engine, cacheSize).waste("Land Biome Stream");
         inferredStreams.put(InferredType.LAND, landBiomeStream);
@@ -160,7 +159,7 @@ public class IrisComplex implements DataProvider {
                         .zoom(engine.getDimension().getBiomeZoom())
                         .zoom(engine.getDimension().getSeaZoom())
                         .zoom(r.getSeaBiomeZoom())
-                        .selectRarity(data.getBiomeLoader().loadAll(r.getSeaBiomes(), (t) -> t.setInferredType(InferredType.SEA)))
+                        .selectRarity(data.getBiomeLoader().loadAll(r.getSeaBiomes(), (t) -> t.setInferredType(InferredType.SEA)), legacy)
                 ).convertAware2D(ProceduralStream::get)
                 .cache2D("seaBiomeStream", engine, cacheSize).waste("Sea Biome Stream");
         inferredStreams.put(InferredType.SEA, seaBiomeStream);
@@ -169,7 +168,7 @@ public class IrisComplex implements DataProvider {
                         -> engine.getDimension().getShoreBiomeStyle().create(rng.nextParallelRNG(InferredType.SHORE.ordinal()), getData()).stream()
                         .zoom(engine.getDimension().getBiomeZoom())
                         .zoom(r.getShoreBiomeZoom())
-                        .selectRarity(data.getBiomeLoader().loadAll(r.getShoreBiomes(), (t) -> t.setInferredType(InferredType.SHORE)))
+                        .selectRarity(data.getBiomeLoader().loadAll(r.getShoreBiomes(), (t) -> t.setInferredType(InferredType.SHORE)), legacy)
                 ).convertAware2D(ProceduralStream::get).cache2D("shoreBiomeStream", engine, cacheSize).waste("Shore Biome Stream");
         inferredStreams.put(InferredType.SHORE, shoreBiomeStream);
         bridgeStream = focusBiome != null ? ProceduralStream.of((x, z) -> focusBiome.getInferredType(),
@@ -302,12 +301,12 @@ public class IrisComplex implements DataProvider {
         return biome;
     }
 
-    private double interpolateGenerators(Engine engine, IrisInterpolator interpolator, KSet<IrisGenerator> generators, double x, double z, long seed) {
+    private double interpolateGenerators(Engine engine, IrisInterpolator interpolator, Set<IrisGenerator> generators, double x, double z, long seed) {
         if (generators.isEmpty()) {
             return 0;
         }
 
-        KMap<NoiseKey, IrisBiome> cache = new KMap<>();
+        HashMap<NoiseKey, IrisBiome> cache = new HashMap<>(64);
         double hi = interpolator.interpolate(x, z, (xx, zz) -> {
             try {
                 IrisBiome bx = baseBiomeStream.get(xx, zz);
@@ -379,7 +378,7 @@ public class IrisComplex implements DataProvider {
     }
 
     private void registerGenerator(IrisGenerator cachedGenerator) {
-        generators.computeIfAbsent(cachedGenerator.getInterpolator(), (k) -> new KSet<>()).add(cachedGenerator);
+        generators.computeIfAbsent(cachedGenerator.getInterpolator(), (k) -> new HashSet<>()).add(cachedGenerator);
     }
 
     private IrisBiome implode(IrisBiome b, Double x, Double z) {

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

@@ -28,12 +28,12 @@ import com.volmit.iris.core.loader.ResourceLoader;
 import com.volmit.iris.core.nms.container.BlockPos;
 import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.core.project.IrisProject;
+import com.volmit.iris.core.scripting.environment.EngineEnvironment;
 import com.volmit.iris.core.service.PreservationSVC;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.framework.*;
 import com.volmit.iris.engine.mantle.EngineMantle;
 import com.volmit.iris.engine.object.*;
-import com.volmit.iris.engine.scripting.EngineExecutionEnvironment;
 import com.volmit.iris.util.atomics.AtomicRollingSequence;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.context.ChunkContext;
@@ -43,10 +43,11 @@ import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.hunk.Hunk;
 import com.volmit.iris.util.io.IO;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.MatterStructurePOI;
+import com.volmit.iris.util.matter.slices.container.JigsawStructureContainer;
 import com.volmit.iris.util.scheduling.ChronoLatch;
 import com.volmit.iris.util.scheduling.J;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
@@ -93,7 +94,7 @@ public class IrisEngine implements Engine {
     private CompletableFuture<Long> hash32;
     private EngineMode mode;
     private EngineEffects effects;
-    private EngineExecutionEnvironment execution;
+    private EngineEnvironment execution;
     private EngineWorldManager worldManager;
     private volatile int parallelism;
     private boolean failing;
@@ -169,10 +170,12 @@ public class IrisEngine implements Engine {
             cacheId = RNG.r.nextInt();
             worldManager = new IrisWorldManager(this);
             complex = new IrisComplex(this);
-            execution = new IrisExecutionEnvironment(this);
+            execution = EngineEnvironment.create(this);
             effects = new IrisEngineEffects(this);
             hash32 = new CompletableFuture<>();
+            mantle.hotload();
             setupMode();
+            getDimension().getEngineScripts().forEach(execution::execute);
             J.a(this::computeBiomeMaxes);
             J.a(() -> {
                 File[] roots = getData().getLoaders()
@@ -198,7 +201,7 @@ public class IrisEngine implements Engine {
             mode.close();
         }
 
-        mode = getDimension().getMode().getType().create(this);
+        mode = getDimension().getMode().create(this);
     }
 
     @Override
@@ -223,6 +226,12 @@ public class IrisEngine implements Engine {
         return getMantle().getJigsawComponent().guess(x, z);
     }
 
+    @Override
+    public IrisJigsawStructure getStructureAt(int x, int y, int z) {
+        var container = getMantle().getMantle().get(x, y, z, JigsawStructureContainer.class);
+        return container == null ? null : container.load(getData());
+    }
+
     private void warmupChunk(int x, int z) {
         for (int i = 0; i < 16; i++) {
             for (int j = 0; j < 16; j++) {

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

@@ -29,13 +29,15 @@ import com.volmit.iris.engine.mantle.components.MantleJigsawComponent;
 import com.volmit.iris.engine.mantle.components.MantleObjectComponent;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.mantle.Mantle;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import lombok.*;
 
 import java.io.File;
-import java.util.stream.Collectors;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
 @Data
 @EqualsAndHashCode(exclude = "engine")
@@ -45,8 +47,9 @@ public class IrisEngineMantle implements EngineMantle {
     private final Mantle mantle;
     @Getter(AccessLevel.NONE)
     private final KMap<Integer, KList<MantleComponent>> components;
-    private final AtomicCache<KList<Pair<KList<MantleComponent>, Integer>>> componentsCache = new AtomicCache<>();
-    private final AtomicCache<KSet<MantleFlag>> disabledFlags = new AtomicCache<>();
+    private final KMap<MantleFlag, MantleComponent> registeredComponents = new KMap<>();
+    private final AtomicCache<List<Pair<List<MantleComponent>, Integer>>> componentsCache = new AtomicCache<>();
+    private final AtomicCache<Set<MantleFlag>> disabledFlags = new AtomicCache<>();
     private final MantleObjectComponent object;
     private final MantleJigsawComponent jigsaw;
 
@@ -75,7 +78,7 @@ public class IrisEngineMantle implements EngineMantle {
     }
 
     @Override
-    public KList<Pair<KList<MantleComponent>, Integer>> getComponents() {
+    public List<Pair<List<MantleComponent>, Integer>> getComponents() {
         return componentsCache.aquire(() -> {
             var list = components.keySet()
                     .stream()
@@ -86,10 +89,9 @@ public class IrisEngineMantle implements EngineMantle {
                                 .mapToInt(MantleComponent::getRadius)
                                 .max()
                                 .orElse(0);
-                        return new Pair<>(components, radius);
+                        return new Pair<>(List.copyOf(components), radius);
                     })
-                    .collect(Collectors.toCollection(KList::new));
-
+                    .toList();
 
             int radius = 0;
             for (var pair : list.reversed()) {
@@ -102,19 +104,36 @@ public class IrisEngineMantle implements EngineMantle {
     }
 
     @Override
-    public void registerComponent(MantleComponent c) {
-        c.setEnabled(!getDimension().getDisabledComponents().contains(c.getFlag()));
+    public Map<MantleFlag, MantleComponent> getRegisteredComponents() {
+        return Collections.unmodifiableMap(registeredComponents);
+    }
+
+    @Override
+    public boolean registerComponent(MantleComponent c) {
+        if (registeredComponents.putIfAbsent(c.getFlag(), c) != null) return false;
+        c.setEnabled(!getDisabledFlags().contains(c.getFlag()));
         components.computeIfAbsent(c.getPriority(), k -> new KList<>()).add(c);
         componentsCache.reset();
+        return true;
     }
 
     @Override
     public KList<MantleFlag> getComponentFlags() {
-        return components.values()
-                .stream()
-                .flatMap(KList::stream)
-                .map(MantleComponent::getFlag)
-                .collect(KList.collector());
+        return new KList<>(registeredComponents.keySet());
+    }
+
+    @Override
+    public void hotload() {
+        disabledFlags.reset();
+        for (var component : registeredComponents.values()) {
+            component.hotload();
+            component.setEnabled(!getDisabledFlags().contains(component.getFlag()));
+        }
+        componentsCache.reset();
+    }
+
+    private Set<MantleFlag> getDisabledFlags() {
+        return disabledFlags.aquire(() -> Set.copyOf(getDimension().getDisabledComponents()));
     }
 
     @Override

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

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

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

@@ -20,7 +20,9 @@ package com.volmit.iris.engine;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.loader.IrisData;
+import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineAssignedWorldManager;
 import com.volmit.iris.engine.object.*;
@@ -29,7 +31,7 @@ import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.format.Form;
 import com.volmit.iris.util.mantle.Mantle;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
@@ -424,18 +426,35 @@ public class IrisWorldManager extends EngineAssignedWorldManager {
         }
 
         var ref = new WeakReference<>(e.getWorld());
-        int x = e.getX(), z = e.getZ();
+        int cX = e.getX(), cZ = e.getZ();
         J.s(() -> {
             World world = ref.get();
-            if (world == null || !world.isChunkLoaded(x, z))
+            if (world == null || !world.isChunkLoaded(cX, cZ))
                 return;
             energy += 0.3;
             fixEnergy();
-            getEngine().cleanupMantleChunk(x, z);
+            getEngine().cleanupMantleChunk(cX, cZ);
         }, IrisSettings.get().getPerformance().mantleCleanupDelay);
 
         if (generated) {
             //INMS.get().injectBiomesFromMantle(e, getMantle());
+
+            if (!IrisSettings.get().getGenerator().earlyCustomBlocks) return;
+            e.addPluginChunkTicket(Iris.instance);
+            J.s(() -> {
+                var chunk = getMantle().getChunk(e).use();
+                int minY = getTarget().getWorld().minHeight();
+                try {
+                    chunk.raiseFlagUnchecked(MantleFlag.CUSTOM, () -> {
+                        chunk.iterate(Identifier.class, (x, y, z, v) -> {
+                            Iris.service(ExternalDataSVC.class).processUpdate(getEngine(), e.getBlock(x & 15, y + minY, z & 15), v);
+                        });
+                    });
+                } finally {
+                    chunk.release();
+                    e.removePluginChunkTicket(Iris.instance);
+                }
+            }, RNG.r.i(20, 60));
         }
     }
 

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

@@ -29,13 +29,13 @@ import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.core.nms.container.BlockPos;
 import com.volmit.iris.core.nms.container.Pair;
 import com.volmit.iris.core.pregenerator.ChunkUpdater;
+import com.volmit.iris.core.scripting.environment.EngineEnvironment;
 import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.IrisComplex;
 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.data.chunk.TerrainChunk;
 import com.volmit.iris.engine.mantle.EngineMantle;
 import com.volmit.iris.engine.object.*;
-import com.volmit.iris.engine.scripting.EngineExecutionEnvironment;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.context.ChunkContext;
@@ -48,7 +48,7 @@ import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.function.Function2;
 import com.volmit.iris.util.hunk.Hunk;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
 import com.volmit.iris.util.math.BlockPosition;
 import com.volmit.iris.util.math.M;
 import com.volmit.iris.util.math.Position2;
@@ -110,7 +110,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
 
     IrisContext getContext();
 
-    EngineExecutionEnvironment getExecution();
+    EngineEnvironment getExecution();
 
     double getMaxBiomeObjectDensity();
 
@@ -231,6 +231,9 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
     @ChunkCoordinates
     IrisJigsawStructure getStructureAt(int x, int z);
 
+    @BlockCoordinates
+    IrisJigsawStructure getStructureAt(int x, int y, int z);
+
     @BlockCoordinates
     default IrisBiome getCaveBiome(int x, int z) {
         return getComplex().getCaveBiomeStream().get(x, z);
@@ -262,7 +265,7 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
             getMantle().updateBlock(x, y, z);
         }
         if (data instanceof IrisCustomData) {
-            getMantle().getMantle().flag(x >> 4, z >> 4, MantleFlag.CUSTOM, true);
+            getMantle().getMantle().flag(x >> 4, z >> 4, MantleFlag.CUSTOM_ACTIVE, true);
         }
     }
 
@@ -293,67 +296,63 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
         try {
             Semaphore semaphore = new Semaphore(3);
             chunk.raiseFlag(MantleFlag.ETCHED, () -> {
-                chunk.raiseFlag(MantleFlag.TILE, run(semaphore, () -> J.s(() -> {
-                    mantle.iterateChunk(c.getX(), c.getZ(), TileWrapper.class, (x, y, z, v) -> {
-                        int betterY = y + getWorld().minHeight();
-                        if (!TileData.setTileState(c.getBlock(x, betterY, z), v.getData()))
-                            Iris.warn("Failed to set tile entity data at [%d %d %d | %s] for tile %s!", x, betterY, z, c.getBlock(x, betterY, z).getBlockData().getMaterial().getKey(), v.getData().getMaterial().name());
+                chunk.raiseFlagUnchecked(MantleFlag.TILE, run(semaphore, () -> {
+                    chunk.iterate(TileWrapper.class, (x, y, z, v) -> {
+                        Block block = c.getBlock(x & 15, y + getWorld().minHeight(), z & 15);
+                        if (!TileData.setTileState(block, v.getData()))
+                            Iris.warn("Failed to set tile entity data at [%d %d %d | %s] for tile %s!", block.getX(), block.getY(), block.getZ(), block.getType().getKey(), v.getData().getMaterial().getKey());
                     });
-                })));
-                chunk.raiseFlag(MantleFlag.CUSTOM, run(semaphore, () -> J.s(() -> {
-                    mantle.iterateChunk(c.getX(), c.getZ(), Identifier.class, (x, y, z, v) -> {
+                }, 0));
+                chunk.raiseFlagUnchecked(MantleFlag.CUSTOM, run(semaphore, () -> {
+                    chunk.iterate(Identifier.class, (x, y, z, v) -> {
                         Iris.service(ExternalDataSVC.class).processUpdate(this, c.getBlock(x & 15, y + getWorld().minHeight(), z & 15), v);
                     });
-                })));
+                }, 0));
 
-                chunk.raiseFlag(MantleFlag.UPDATE, run(semaphore, () -> J.s(() -> {
+                chunk.raiseFlagUnchecked(MantleFlag.UPDATE, run(semaphore, () -> {
                     PrecisionStopwatch p = PrecisionStopwatch.start();
-                    KMap<Long, Integer> updates = new KMap<>();
-                    RNG r = new RNG(Cache.key(c.getX(), c.getZ()));
-                    mantle.iterateChunk(c.getX(), c.getZ(), MatterCavern.class, (x, yf, z, v) -> {
+                    int[][] grid = new int[16][16];
+                    for (int x = 0; x < 16; x++) {
+                        for (int z = 0; z < 16; z++) {
+                            grid[x][z] = Integer.MIN_VALUE;
+                        }
+                    }
+
+                    RNG rng = new RNG(Cache.key(c.getX(), c.getZ()));
+                    chunk.iterate(MatterCavern.class, (x, yf, z, v) -> {
                         int y = yf + getWorld().minHeight();
-                        if (!B.isFluid(c.getBlock(x & 15, y, z & 15).getBlockData())) {
+                        x &= 15;
+                        z &= 15;
+                        Block block = c.getBlock(x, y, z);
+                        if (!B.isFluid(block.getBlockData())) {
                             return;
                         }
-                        boolean u = false;
-                        if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.DOWN).getBlockData())) {
-                            u = true;
-                        } else if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.WEST).getBlockData())) {
-                            u = true;
-                        } else if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.EAST).getBlockData())) {
-                            u = true;
-                        } else if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.SOUTH).getBlockData())) {
-                            u = true;
-                        } else if (B.isAir(c.getBlock(x & 15, y, z & 15).getRelative(BlockFace.NORTH).getBlockData())) {
-                            u = true;
-                        }
+                        boolean u = B.isAir(block.getRelative(BlockFace.DOWN).getBlockData())
+                                || B.isAir(block.getRelative(BlockFace.WEST).getBlockData())
+                                || B.isAir(block.getRelative(BlockFace.EAST).getBlockData())
+                                || B.isAir(block.getRelative(BlockFace.SOUTH).getBlockData())
+                                || B.isAir(block.getRelative(BlockFace.NORTH).getBlockData());
 
-                        if (u) {
-                            updates.compute(Cache.key(x & 15, z & 15), (k, vv) -> {
-                                if (vv != null) {
-                                    return Math.max(vv, y);
-                                }
-
-                                return y;
-                            });
-                        }
+                        if (u) grid[x][z] = Math.max(grid[x][z], y);
                     });
 
-                    updates.forEach((k, v) -> update(Cache.keyX(k), v, Cache.keyZ(k), c, r));
-                    mantle.iterateChunk(c.getX(), c.getZ(), MatterUpdate.class, (x, yf, z, v) -> {
+                    for (int x = 0; x < 16; x++) {
+                        for (int z = 0; z < 16; z++) {
+                            if (grid[x][z] == Integer.MIN_VALUE)
+                                continue;
+                            update(x, grid[x][z], z, c, rng);
+                        }
+                    }
+
+                    chunk.iterate(MatterUpdate.class, (x, yf, z, v) -> {
                         int y = yf + getWorld().minHeight();
                         if (v != null && v.isUpdate()) {
-                            int vx = x & 15;
-                            int vz = z & 15;
-                            update(x, y, z, c, new RNG(Cache.key(c.getX(), c.getZ())));
-                            if (vx > 0 && vx < 15 && vz > 0 && vz < 15) {
-                                updateLighting(x, y, z, c);
-                            }
+                            update(x, y, z, c, rng);
                         }
                     });
-                    mantle.deleteChunkSlice(c.getX(), c.getZ(), MatterUpdate.class);
+                    chunk.deleteSlices(MatterUpdate.class);
                     getMetrics().getUpdates().put(p.getMilliseconds());
-                }, RNG.r.i(0, 20))));
+                }, RNG.r.i(1, 20))); //Why is there a random delay here?
             });
 
             try {
@@ -364,33 +363,21 @@ public interface Engine extends DataProvider, Fallible, LootProvider, BlockUpdat
         }
     }
 
-    private static Runnable run(Semaphore semaphore, Runnable runnable) {
+    private static Runnable run(Semaphore semaphore, Runnable runnable, int delay) {
         return () -> {
             if (!semaphore.tryAcquire())
                 return;
-            try {
-                runnable.run();
-            } finally {
-                semaphore.release();
-            }
+
+            J.s(() -> {
+                try {
+                    runnable.run();
+                } finally {
+                    semaphore.release();
+                }
+            }, delay);
         };
     }
 
-    @BlockCoordinates
-    default void updateLighting(int x, int y, int z, Chunk c) {
-        Block block = c.getBlock(x, y, z);
-        BlockData data = block.getBlockData();
-
-        if (B.isLit(data)) {
-            try {
-                block.setType(Material.AIR, false);
-                block.setBlockData(data, true);
-            } catch (Exception e) {
-                Iris.reportError(e);
-            }
-        }
-    }
-
     @BlockCoordinates
     @Override
 

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

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

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

@@ -29,6 +29,7 @@ import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.slices.container.JigsawPieceContainer;
+import com.volmit.iris.util.matter.slices.container.JigsawStructureContainer;
 import com.volmit.iris.util.matter.slices.container.JigsawStructuresContainer;
 import com.volmit.iris.util.scheduling.J;
 import lombok.Data;
@@ -149,11 +150,13 @@ public class PlannedStructure {
         }
 
         int id = rng.i(0, Integer.MAX_VALUE);
-        JigsawPieceContainer container = JigsawPieceContainer.toContainer(i.getPiece());
+        JigsawPieceContainer piece = JigsawPieceContainer.toContainer(i.getPiece());
+        JigsawStructureContainer structure = JigsawStructureContainer.toContainer(getStructure());
         i.setRealPositions(xx, height, zz, placer);
         return v.place(xx, height, zz, placer, options, rng, (b, data) -> {
             e.set(b.getX(), b.getY(), b.getZ(), v.getLoadKey() + "@" + id);
-            e.set(b.getX(), b.getY(), b.getZ(), container);
+            e.set(b.getX(), b.getY(), b.getZ(), structure);
+            e.set(b.getX(), b.getY(), b.getZ(), piece);
         }, null, getData().getEngine() != null ? getData() : eng.getData()) != -1;
     }
 

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

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

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

@@ -26,31 +26,33 @@ import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.framework.EngineTarget;
 import com.volmit.iris.engine.mantle.components.MantleJigsawComponent;
 import com.volmit.iris.engine.mantle.components.MantleObjectComponent;
-import com.volmit.iris.engine.object.IObjectPlacer;
 import com.volmit.iris.engine.object.IrisDimension;
 import com.volmit.iris.engine.object.IrisPosition;
-import com.volmit.iris.engine.object.TileData;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.context.IrisContext;
 import com.volmit.iris.util.data.B;
-import com.volmit.iris.util.data.IrisCustomData;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleChunk;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.MantleFlag;
+import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.matter.*;
 import com.volmit.iris.util.matter.slices.UpdateMatter;
-import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.parallel.MultiBurst;
 import org.bukkit.block.data.BlockData;
+import org.jetbrains.annotations.UnmodifiableView;
 
+import java.util.List;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
-// TODO: MOVE PLACER OUT OF MATTER INTO ITS OWN THING
-public interface EngineMantle extends IObjectPlacer {
+import static com.volmit.iris.util.parallel.StreamUtils.forEach;
+import static com.volmit.iris.util.parallel.StreamUtils.streamRadius;
+
+public interface EngineMantle {
     BlockData AIR = B.get("AIR");
 
     Mantle getMantle();
@@ -61,12 +63,19 @@ public interface EngineMantle extends IObjectPlacer {
 
     int getRealRadius();
 
-    KList<Pair<KList<MantleComponent>, Integer>> getComponents();
+    @UnmodifiableView
+    List<Pair<List<MantleComponent>, Integer>> getComponents();
 
-    void registerComponent(MantleComponent c);
+    @UnmodifiableView
+    Map<MantleFlag, MantleComponent> getRegisteredComponents();
 
+    boolean registerComponent(MantleComponent c);
+
+    @UnmodifiableView
     KList<MantleFlag> getComponentFlags();
 
+    void hotload();
+
     default int getHighest(int x, int z) {
         return getHighest(x, z, getData());
     }
@@ -87,12 +96,10 @@ public interface EngineMantle extends IObjectPlacer {
         return getHighest(x, z, getData(), ignoreFluid);
     }
 
-    @Override
     default int getHighest(int x, int z, IrisData data) {
         return getHighest(x, z, data, false);
     }
 
-    @Override
     default int getHighest(int x, int z, IrisData data, boolean ignoreFluid) {
         return ignoreFluid ? trueHeight(x, z) : Math.max(trueHeight(x, z), getEngine().getDimension().getFluidHeight());
     }
@@ -101,24 +108,12 @@ public interface EngineMantle extends IObjectPlacer {
         return getComplex().getRoundedHeighteightStream().get(x, z);
     }
 
+    @Deprecated(forRemoval = true)
     default boolean isCarved(int x, int h, int z) {
         return getMantle().get(x, h, z, MatterCavern.class) != null;
     }
 
-    @Override
-    default void set(int x, int y, int z, BlockData d) {
-        if (d instanceof IrisCustomData data) {
-            getMantle().set(x, y, z, data.getBase());
-            getMantle().set(x, y, z, data.getCustom());
-        } else getMantle().set(x, y, z, d == null ? AIR : d);
-    }
-
-    @Override
-    default void setTile(int x, int y, int z, TileData d) {
-        getMantle().set(x, y, z, new TileWrapper(d));
-    }
-
-    @Override
+    @Deprecated(forRemoval = true)
     default BlockData get(int x, int y, int z) {
         BlockData block = getMantle().get(x, y, z, BlockData.class);
         if (block == null)
@@ -126,27 +121,18 @@ public interface EngineMantle extends IObjectPlacer {
         return block;
     }
 
-    @Override
     default boolean isPreventingDecay() {
         return getEngine().getDimension().isPreventLeafDecay();
     }
 
-    @Override
-    default boolean isSolid(int x, int y, int z) {
-        return B.isSolid(get(x, y, z));
-    }
-
-    @Override
     default boolean isUnderwater(int x, int z) {
         return getHighest(x, z, true) <= getFluidHeight();
     }
 
-    @Override
     default int getFluidHeight() {
         return getEngine().getDimension().getFluidHeight();
     }
 
-    @Override
     default boolean isDebugSmartBore() {
         return getEngine().getDimension().isDebugSmartBore();
     }
@@ -196,7 +182,7 @@ public interface EngineMantle extends IObjectPlacer {
 
     @ChunkCoordinates
     default void generateMatter(int x, int z, boolean multicore, ChunkContext context) {
-        if (!getEngine().getDimension().isUseMantle()) {
+        if (!getEngine().getDimension().isUseMantle() || getMantle().hasFlag(x, z, MantleFlag.PLANNED)) {
             return;
         }
 
@@ -206,30 +192,33 @@ public interface EngineMantle extends IObjectPlacer {
                 var pair = iterator.next();
                 int radius = pair.getB();
                 boolean last = !iterator.hasNext();
-                BurstExecutor burst = burst().burst(radius * 2 + 1);
-                burst.setMulticore(multicore);
+                forEach(streamRadius(x, z, radius),
+                        pos -> pair.getA()
+                                .stream()
+                                .filter(MantleComponent::isEnabled)
+                                .map(c -> new Pair<>(c, pos)),
+                        p -> {
+                            MantleComponent c = p.getA();
+                            Position2 pos = p.getB();
+                            int xx = pos.getX();
+                            int zz = pos.getZ();
+                            IrisContext.getOr(getEngine()).setChunkContext(context);
+                            generateMantleComponent(writer, xx, zz, c, writer.acquireChunk(xx, zz), context);
+                        },
+                        multicore ? burst() : null
+                );
 
-                for (int i = -radius; i <= radius; i++) {
-                    for (int j = -radius; j <= radius; j++) {
-                        int xx = x + i;
-                        int zz = z + j;
-                        MantleChunk mc = getMantle().getChunk(xx, zz);
-
-                        burst.queue(() -> {
-                            IrisContext.touch(getEngine().getContext());
-                            pair.getA().forEach(k -> generateMantleComponent(writer, xx, zz, k, mc, context));
-                            if (last) mc.flag(MantleFlag.PLANNED, true);
-                        });
-                    }
-                }
-
-                burst.complete();
+                if (!last) continue;
+                forEach(streamRadius(x, z, radius),
+                        p -> writer.acquireChunk(x, z).flag(MantleFlag.PLANNED, true),
+                        multicore ? burst() : null
+                );
             }
         }
     }
 
     default void generateMantleComponent(MantleWriter writer, int x, int z, MantleComponent c, MantleChunk mc, ChunkContext context) {
-        mc.raiseFlag(c.getFlag(), () -> {
+        mc.raiseFlag(MantleFlag.PLANNED, c.getFlag(), () -> {
             if (c.isEnabled()) c.generateLayer(writer, x, z, context);
         });
     }
@@ -240,7 +229,12 @@ public interface EngineMantle extends IObjectPlacer {
             return;
         }
 
-        getMantle().iterateChunk(x, z, t, blocks::set);
+        var chunk = getMantle().getChunk(x, z).use();
+        try {
+            chunk.iterate(t, blocks::set);
+        } finally {
+            chunk.release();
+        }
     }
 
     @BlockCoordinates

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

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

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

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

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

@@ -29,12 +29,17 @@ import com.volmit.iris.engine.object.IrisPosition;
 import com.volmit.iris.engine.object.TileData;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.collection.KSet;
+import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.IrisCustomData;
+import com.volmit.iris.util.documentation.ChunkCoordinates;
 import com.volmit.iris.util.function.Function3;
 import com.volmit.iris.util.mantle.Mantle;
 import com.volmit.iris.util.mantle.MantleChunk;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.Matter;
+import com.volmit.iris.util.matter.MatterCavern;
+import com.volmit.iris.util.matter.TileWrapper;
+import com.volmit.iris.util.noise.CNG;
 import lombok.Data;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.util.Vector;
@@ -43,6 +48,8 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import static com.volmit.iris.engine.mantle.EngineMantle.AIR;
+
 @Data
 public class MantleWriter implements IObjectPlacer, AutoCloseable {
     private final EngineMantle engineMantle;
@@ -71,6 +78,7 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
     private static Set<IrisPosition> getBallooned(Set<IrisPosition> vset, double radius) {
         Set<IrisPosition> returnset = new HashSet<>();
         int ceilrad = (int) Math.ceil(radius);
+        double r2 = Math.pow(radius, 2);
 
         for (IrisPosition v : vset) {
             int tipx = v.getX();
@@ -80,7 +88,7 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
             for (int loopx = tipx - ceilrad; loopx <= tipx + ceilrad; loopx++) {
                 for (int loopy = tipy - ceilrad; loopy <= tipy + ceilrad; loopy++) {
                     for (int loopz = tipz - ceilrad; loopz <= tipz + ceilrad; loopz++) {
-                        if (hypot(loopx - tipx, loopy - tipy, loopz - tipz) <= radius) {
+                        if (hypot(loopx - tipx, loopy - tipy, loopz - tipz) <= r2) {
                             returnset.add(new IrisPosition(loopx, loopy, loopz));
                         }
                     }
@@ -113,7 +121,7 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
         for (double d : pars) {
             sum += Math.pow(d, 2);
         }
-        return Math.sqrt(sum);
+        return sum;
     }
 
     private static double lengthSq(double x, double y, double z) {
@@ -142,20 +150,41 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
             return;
         }
 
-        if (cx >= this.x - radius && cx <= this.x + radius
-                && cz >= this.z - radius && cz <= this.z + radius) {
-            MantleChunk chunk = cachedChunks.computeIfAbsent(Cache.key(cx, cz), k -> mantle.getChunk(cx, cz).use());
+        MantleChunk chunk = acquireChunk(cx, cz);
+        if (chunk == null) return;
 
-            if (chunk == null) {
-                Iris.error("Mantle Writer Accessed " + cx + "," + cz + " and came up null (and yet within bounds!)");
-                return;
-            }
+        Matter matter = chunk.getOrCreate(y >> 4);
+        matter.slice(matter.getClass(t)).set(x & 15, y & 15, z & 15, t);
+    }
 
-            Matter matter = chunk.getOrCreate(y >> 4);
-            matter.slice(matter.getClass(t)).set(x & 15, y & 15, z & 15, t);
-        } else {
-            Iris.error("Mantle Writer Accessed chunk out of bounds" + cx + "," + cz);
+    public <T> T getData(int x, int y, int z, Class<T> type) {
+        int cx = x >> 4;
+        int cz = z >> 4;
+
+        if (y < 0 || y >= mantle.getWorldHeight()) {
+            return null;
         }
+
+        MantleChunk chunk = acquireChunk(cx, cz);
+        if (chunk == null) {
+            return null;
+        }
+
+        return chunk.getOrCreate(y >> 4)
+                .<T>slice(type)
+                .get(x & 15, y & 15, z & 15);
+    }
+
+    @ChunkCoordinates
+    public MantleChunk acquireChunk(int cx, int cz) {
+        if (cx < this.x - radius || cx > this.x + radius
+                || cz < this.z - radius || cz > this.z + radius) {
+            Iris.error("Mantle Writer Accessed chunk out of bounds" + cx + "," + cz);
+            return null;
+        }
+        MantleChunk chunk = cachedChunks.computeIfAbsent(Cache.key(cx, cz), k -> mantle.getChunk(cx, cz).use());
+        if (chunk == null) Iris.error("Mantle Writer Accessed " + cx + "," + cz + " and came up null (and yet within bounds!)");
+        return chunk;
     }
 
     @Override
@@ -178,7 +207,10 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
     @Override
     public BlockData get(int x, int y, int z) {
-        return getEngineMantle().get(x, y, z);
+        BlockData block = getData(x, y, z, BlockData.class);
+        if (block == null)
+            return AIR;
+        return block;
     }
 
     @Override
@@ -188,12 +220,12 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
     @Override
     public boolean isCarved(int x, int y, int z) {
-        return getEngineMantle().isCarved(x, y, z);
+        return getData(x, y, z, MatterCavern.class) != null;
     }
 
     @Override
     public boolean isSolid(int x, int y, int z) {
-        return getEngineMantle().isSolid(x, y, z);
+        return B.isSolid(get(x, y, z));
     }
 
     @Override
@@ -213,7 +245,7 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
 
     @Override
     public void setTile(int xx, int yy, int zz, TileData tile) {
-        getEngineMantle().setTile(xx, yy, zz, tile);
+        setData(xx, yy, zz, new TileWrapper(tile));
     }
 
     @Override
@@ -453,6 +485,62 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
      * @param <T>     the type of data to apply to the mantle
      */
     public <T> void setLineConsumer(List<IrisPosition> vectors, double radius, boolean filled, Function3<Integer, Integer, Integer, T> data) {
+        Set<IrisPosition> vset = cleanup(vectors);
+        vset = getBallooned(vset, radius);
+
+        if (!filled) {
+            vset = getHollowed(vset);
+        }
+
+        setConsumer(vset, data);
+    }
+
+    /**
+     * Set lines for points
+     *
+     * @param vectors the points
+     * @param radius  the radius
+     * @param filled  hollow or filled?
+     * @param data    the data to set
+     * @param <T>     the type of data to apply to the mantle
+     */
+    public <T> void setNoiseMasked(List<IrisPosition> vectors, double radius, double threshold, CNG shape, Set<IrisPosition> masks, boolean filled, Function3<Integer, Integer, Integer, T> data) {
+        Set<IrisPosition> vset = cleanup(vectors);
+        vset = masks == null ? getBallooned(vset, radius) : getMasked(vset, masks, radius);
+        vset.removeIf(p -> shape.noise(p.getX(), p.getY(), p.getZ()) < threshold);
+
+        if (!filled) {
+            vset = getHollowed(vset);
+        }
+
+        setConsumer(vset, data);
+    }
+
+    private static Set<IrisPosition> getMasked(Set<IrisPosition> vectors, Set<IrisPosition> masks, double radius) {
+        Set<IrisPosition> vset = new KSet<>();
+        int ceil = (int) Math.ceil(radius);
+        double r2 = Math.pow(radius, 2);
+
+        for (IrisPosition v : vectors) {
+            int tipX = v.getX();
+            int tipY = v.getY();
+            int tipZ = v.getZ();
+
+            for (int x = -ceil; x <= ceil; x++) {
+                for (int y = -ceil; y <= ceil; y++) {
+                    for (int z = -ceil; z <= ceil; z++) {
+                        if (hypot(x, y, z) > r2 || !masks.contains(new IrisPosition(x, y, z)))
+                            continue;
+                        vset.add(new IrisPosition(tipX + x, tipY + y, tipZ + z));
+                    }
+                }
+            }
+        }
+
+        return vset;
+    }
+
+    private static Set<IrisPosition> cleanup(List<IrisPosition> vectors) {
         Set<IrisPosition> vset = new KSet<>();
 
         for (int i = 0; vectors.size() != 0 && i < vectors.size() - 1; i++) {
@@ -504,13 +592,7 @@ public class MantleWriter implements IObjectPlacer, AutoCloseable {
             }
         }
 
-        vset = getBallooned(vset, radius);
-
-        if (!filled) {
-            vset = getHollowed(vset);
-        }
-
-        setConsumer(vset, data);
+        return vset;
     }
 
     /**

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

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

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

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

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

@@ -30,7 +30,7 @@ import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.documentation.ChunkCoordinates;
-import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.mantle.flag.ReservedFlag;
 import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.slices.container.JigsawStructuresContainer;
@@ -40,14 +40,12 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
 
-@ComponentFlag(MantleFlag.JIGSAW)
+@ComponentFlag(ReservedFlag.JIGSAW)
 public class MantleJigsawComponent extends IrisMantleComponent {
-    @Getter
-    private final int radius = computeRadius();
     private final CNG cng;
 
     public MantleJigsawComponent(EngineMantle engineMantle) {
-        super(engineMantle, MantleFlag.JIGSAW, 1);
+        super(engineMantle, ReservedFlag.JIGSAW, 2);
         cng = NoiseStyle.STATIC.create(new RNG(jigsaw()));
     }
 
@@ -169,6 +167,7 @@ public class MantleJigsawComponent extends IrisMantleComponent {
 
     @BlockCoordinates
     private boolean place(MantleWriter writer, IrisPosition position, IrisJigsawStructure structure, RNG rng, boolean forcePlace) {
+        if (structure == null || structure.getDatapackStructures().isNotEmpty()) return false;
         return new PlannedStructure(structure, position, rng, forcePlace).place(writer, getMantle(), writer.getEngine());
     }
 
@@ -176,10 +175,14 @@ public class MantleJigsawComponent extends IrisMantleComponent {
         return getEngineMantle().getEngine().getSeedManager().getJigsaw();
     }
 
-    private int computeRadius() {
+    protected int computeRadius() {
         var dimension = getDimension();
 
         KSet<String> structures = new KSet<>();
+        if (dimension.getStronghold() != null) {
+            structures.add(dimension.getStronghold());
+        }
+
         for (var placement : dimension.getJigsawStructures()) {
             structures.add(placement.getStructure());
         }

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

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

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

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

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

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

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

@@ -25,9 +25,12 @@ import com.volmit.iris.util.context.ChunkContext;
 import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.data.HeightMap;
 import com.volmit.iris.util.hunk.Hunk;
+import com.volmit.iris.util.mantle.MantleChunk;
 import com.volmit.iris.util.math.RNG;
+import com.volmit.iris.util.matter.MatterCavern;
 import com.volmit.iris.util.parallel.BurstExecutor;
 import com.volmit.iris.util.scheduling.PrecisionStopwatch;
+import org.bukkit.Material;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.util.BlockVector;
 
@@ -53,28 +56,30 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
 
         long seed = x * 341873128712L + z * 132897987541L;
         long mask = 0;
+        MantleChunk chunk = getEngine().getMantle().getMantle().getChunk(x, z).use();
         for (IrisDepositGenerator k : getDimension().getDeposits()) {
             long finalSeed = seed * ++mask;
-            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
+            burst.queue(() -> generate(k, chunk, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
         }
 
         for (IrisDepositGenerator k : region.getDeposits()) {
             long finalSeed = seed * ++mask;
-            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
+            burst.queue(() -> generate(k, chunk, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
         }
 
         for (IrisDepositGenerator k : biome.getDeposits()) {
             long finalSeed = seed * ++mask;
-            burst.queue(() -> generate(k, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
+            burst.queue(() -> generate(k, chunk, terrain, rng.nextParallelRNG(finalSeed), x, z, false, context));
         }
         burst.complete();
+        chunk.release();
     }
 
-    public void generate(IrisDepositGenerator k, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, ChunkContext context) {
-        generate(k, data, rng, cx, cz, safe, null, context);
+    public void generate(IrisDepositGenerator k, MantleChunk chunk, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, ChunkContext context) {
+        generate(k, chunk, data, rng, cx, cz, safe, null, context);
     }
 
-    public void generate(IrisDepositGenerator k, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, HeightMap he, ChunkContext context) {
+    public void generate(IrisDepositGenerator k, MantleChunk chunk, Hunk<BlockData> data, RNG rng, int cx, int cz, boolean safe, HeightMap he, ChunkContext context) {
         if (k.getSpawnChance() < rng.d())
             return;
 
@@ -122,8 +127,11 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
                 if (ny > height || nx > 15 || nx < 0 || ny > getEngine().getHeight() || ny < 0 || nz < 0 || nz > 15) {
                     continue;
                 }
+                if (!k.isReplaceBedrock() && data.get(nx, ny, nz).getMaterial() == Material.BEDROCK) {
+                    continue;
+                }
 
-                if (!getEngine().getMantle().isCarved((cx << 4) + nx, ny, (cz << 4) + nz)) {
+                if (chunk.get(nx, ny, nz, MatterCavern.class) == null) {
                     data.set(nx, ny, nz, B.toDeepSlateOre(data.get(nx, ny, nz), clump.getBlocks().get(j)));
                 }
             }

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

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

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

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

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

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

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

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

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

@@ -62,31 +62,31 @@ public class IrisCarving {
 
     @BlockCoordinates
     public void doCarving(MantleWriter writer, RNG rng, Engine engine, int x, int y, int z, int depth) {
-        doCarving(writer, rng, engine, x, y, z, depth, -1);
+        doCarving(writer, rng, new RNG(engine.getSeedManager().getCarve()), engine, x, y, z, depth, -1);
     }
 
     @BlockCoordinates
-    public void doCarving(MantleWriter writer, RNG rng, Engine engine, int x, int y, int z, int recursion, int waterHint) {
+    public void doCarving(MantleWriter writer, RNG rng, RNG base, Engine engine, int x, int y, int z, int recursion, int waterHint) {
         int nextRecursion = recursion + 1;
 
         if (caves.isNotEmpty()) {
             for (IrisCavePlacer i : caves) {
                 if (recursion > i.getMaxRecursion()) continue;
-                i.generateCave(writer, rng, engine, x, y, z, nextRecursion, waterHint);
+                i.generateCave(writer, rng, base, engine, x, y, z, nextRecursion, waterHint);
             }
         }
 
         if (ravines.isNotEmpty()) {
             for (IrisRavinePlacer i : ravines) {
                 if (recursion > i.getMaxRecursion()) continue;
-                i.generateRavine(writer, rng, engine, x, y, z, nextRecursion, waterHint);
+                i.generateRavine(writer, rng, base, engine, x, y, z, nextRecursion, waterHint);
             }
         }
 
         if (spheres.isNotEmpty()) {
             for (IrisSphere i : spheres) {
                 if (rng.nextInt(i.getRarity()) == 0) {
-                    i.generate(rng, engine, writer, x, y, z);
+                    i.generate(base, engine, writer, x, y, z);
                 }
             }
         }
@@ -94,7 +94,7 @@ public class IrisCarving {
         if (elipsoids.isNotEmpty()) {
             for (IrisElipsoid i : elipsoids) {
                 if (rng.nextInt(i.getRarity()) == 0) {
-                    i.generate(rng, engine, writer, x, y, z);
+                    i.generate(base, engine, writer, x, y, z);
                 }
             }
         }
@@ -102,7 +102,7 @@ public class IrisCarving {
         if (pyramids.isNotEmpty()) {
             for (IrisPyramid i : pyramids) {
                 if (rng.nextInt(i.getRarity()) == 0) {
-                    i.generate(rng, engine, writer, x, y, z);
+                    i.generate(base, engine, writer, x, y, z);
                 }
             }
         }

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

@@ -25,9 +25,11 @@ import com.volmit.iris.engine.mantle.MantleWriter;
 import com.volmit.iris.engine.object.annotations.Desc;
 import com.volmit.iris.engine.object.annotations.RegistryListResource;
 import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.collection.KSet;
 import com.volmit.iris.util.json.JSONObject;
 import com.volmit.iris.util.math.RNG;
 import com.volmit.iris.util.matter.MatterCavern;
+import com.volmit.iris.util.noise.CNG;
 import com.volmit.iris.util.plugin.VolmitSender;
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -55,6 +57,9 @@ public class IrisCave extends IrisRegistrant {
     @Desc("Limit the worm from ever getting higher or lower than this range")
     private IrisRange verticalRange = new IrisRange(3, 255);
 
+    @Desc("Shape of the caves")
+    private IrisCaveShape shape = new IrisCaveShape();
+
     @Override
     public String getFolderName() {
         return "caves";
@@ -66,12 +71,12 @@ public class IrisCave extends IrisRegistrant {
     }
 
     public void generate(MantleWriter writer, RNG rng, Engine engine, int x, int y, int z) {
-        generate(writer, rng, engine, x, y, z, 0, -1, true);
+        generate(writer, rng, new RNG(engine.getSeedManager().getCarve()), engine, x, y, z, 0, -1, true);
     }
 
-    public void generate(MantleWriter writer, RNG rng, Engine engine, int x, int y, int z, int recursion, int waterHint, boolean breakSurface) {
-        double girth = getWorm().getGirth().get(rng, x, z, engine.getData());
-        KList<IrisPosition> points = getWorm().generate(rng, engine.getData(), writer, verticalRange, x, y, z, breakSurface, girth + 9);
+    public void generate(MantleWriter writer, RNG rng, RNG base, Engine engine, int x, int y, int z, int recursion, int waterHint, boolean breakSurface) {
+        double girth = getWorm().getGirth().get(base.nextParallelRNG(465156), x, z, engine.getData());
+        KList<IrisPosition> points = getWorm().generate(base.nextParallelRNG(784684), engine.getData(), writer, verticalRange, x, y, z, breakSurface, girth + 9);
         int highestWater = Math.max(waterHint, -1);
 
         if (highestWater == -1) {
@@ -87,17 +92,19 @@ public class IrisCave extends IrisRegistrant {
         }
 
 
-        int h = Math.min(Math.max(highestWater, waterHint), engine.getDimension().getFluidHeight());
+        int h = Math.min(highestWater, engine.getDimension().getFluidHeight());
 
         for (IrisPosition i : points) {
-            fork.doCarving(writer, rng, engine, i.getX(), i.getY(), i.getZ(), recursion, h);
+            fork.doCarving(writer, rng, base, engine, i.getX(), i.getY(), i.getZ(), recursion, h);
         }
 
         MatterCavern c = new MatterCavern(true, customBiome, (byte) 0);
         MatterCavern w = new MatterCavern(true, customBiome, (byte) 1);
 
-        writer.setLineConsumer(points,
-                girth, true,
+        CNG cng = shape.getNoise(base.nextParallelRNG(8131545), engine);
+        KSet<IrisPosition> mask = shape.getMasked(rng, engine);
+        writer.setNoiseMasked(points,
+                girth, shape.getNoiseThreshold() < 0 ? cng.noise(x, y, z) : shape.getNoiseThreshold(), cng, mask, true,
                 (xf, yf, zf) -> yf <= h ? w : c);
     }
 
@@ -107,6 +114,6 @@ public class IrisCave extends IrisRegistrant {
     }
 
     public int getMaxSize(IrisData data, int depth) {
-        return getWorm().getMaxDistance() + fork.getMaxRange(data, depth);
+        return (int) (Math.ceil(getWorm().getGirth().getMax() * 2) + getWorm().getMaxDistance() + fork.getMaxRange(data, depth));
     }
 }

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

@@ -64,10 +64,10 @@ public class IrisCavePlacer implements IRare {
     }
 
     public void generateCave(MantleWriter mantle, RNG rng, Engine engine, int x, int y, int z) {
-        generateCave(mantle, rng, engine, x, y, z, 0, -1);
+        generateCave(mantle, rng, new RNG(engine.getSeedManager().getCarve()), engine, x, y, z, 0, -1);
     }
 
-    public void generateCave(MantleWriter mantle, RNG rng, Engine engine, int x, int y, int z, int recursion, int waterHint) {
+    public void generateCave(MantleWriter mantle, RNG rng, RNG base, Engine engine, int x, int y, int z, int recursion, int waterHint) {
         if (fail.get()) {
             return;
         }
@@ -86,13 +86,13 @@ public class IrisCavePlacer implements IRare {
         }
 
         if (y == -1) {
-            int h = (int) caveStartHeight.get(rng, x, z, data);
+            int h = (int) caveStartHeight.get(base, x, z, data);
             int ma = breakSurface ? h : (int) (engine.getComplex().getHeightStream().get(x, z) - 9);
             y = Math.min(h, ma);
         }
 
         try {
-             cave.generate(mantle, rng, engine, x + rng.nextInt(15), y, z + rng.nextInt(15), recursion, waterHint, breakSurface);
+             cave.generate(mantle, rng, base, engine, x + rng.nextInt(15), y, z + rng.nextInt(15), recursion, waterHint, breakSurface);
         } catch (Throwable e) {
             e.printStackTrace();
             fail.set(true);

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

@@ -0,0 +1,79 @@
+package com.volmit.iris.engine.object;
+
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.engine.object.annotations.*;
+import com.volmit.iris.util.collection.KMap;
+import com.volmit.iris.util.collection.KSet;
+import com.volmit.iris.util.math.M;
+import com.volmit.iris.util.math.RNG;
+import com.volmit.iris.util.noise.CNG;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.experimental.Accessors;
+
+@Snippet("cave-shape")
+@Accessors(chain = true)
+@NoArgsConstructor
+@AllArgsConstructor
+@Desc("Cave Shape")
+@Data
+public class IrisCaveShape {
+    private transient final KMap<IrisPosition, KSet<IrisPosition>> cache = new KMap<>();
+
+    @Desc("Noise used for the shape of the cave")
+    private IrisGeneratorStyle noise = new IrisGeneratorStyle();
+    @MinNumber(0)
+    @MaxNumber(1)
+    @Desc("The threshold for noise mask")
+    private double noiseThreshold = -1;
+
+    @RegistryListResource(IrisObject.class)
+    @Desc("Object used as mask for the shape of the cave")
+    private String object = null;
+    @Desc("Rotation to apply to objects before using them as mask")
+    private IrisObjectRotation objectRotation = new IrisObjectRotation();
+
+    public CNG getNoise(RNG rng, Engine engine) {
+        return noise.create(rng, engine.getData());
+    }
+
+    public KSet<IrisPosition> getMasked(RNG rng, Engine engine) {
+        if (object == null) return null;
+        return cache.computeIfAbsent(randomRotation(rng), pos -> {
+            var rotated = new KSet<IrisPosition>();
+            engine.getData().getObjectLoader().load(object).getBlocks().forEach((vector, data) -> {
+                if (data.getMaterial().isAir()) return;
+                rotated.add(new IrisPosition(objectRotation.rotate(vector, pos.getX(), pos.getY(), pos.getZ())));
+            });
+            return rotated;
+        });
+    }
+
+    private IrisPosition randomRotation(RNG rng) {
+        if (objectRotation == null || !objectRotation.canRotate())
+            return new IrisPosition(0,0,0);
+        return new IrisPosition(
+                randomDegree(rng, objectRotation.getXAxis()),
+                randomDegree(rng, objectRotation.getYAxis()),
+                randomDegree(rng, objectRotation.getZAxis())
+        );
+    }
+
+    private int randomDegree(RNG rng, IrisAxisRotationClamp clamp) {
+        if (!clamp.isEnabled()) return 0;
+        if (clamp.isLocked()) return (int) clamp.getMax();
+        double interval = clamp.getInterval();
+        if (interval < 1) interval = 1;
+
+        double min = clamp.getMin(), max = clamp.getMax();
+        double value = (interval * (Math.ceil(Math.abs(rng.d(0, 360) / interval)))) % 360D;
+        if (clamp.isUnlimited()) return (int) value;
+
+        if (min > max) {
+            max = clamp.getMin();
+            min = clamp.getMax();
+        }
+        return (int) (double) M.clip(value, min, max);
+    }
+}

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

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

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

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

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

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

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

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

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

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

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

@@ -146,7 +146,6 @@ public class IrisEffect {
     @MinNumber(1)
     @Desc("The chance is 1 in CHANCE per interval")
     private int chance = 50;
-    @ArrayType(min = 1, type = IrisCommandRegistry.class)
     @Desc("Run commands, with configurable location parameters")
     private IrisCommandRegistry commandRegistry = null;
 

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

@@ -20,8 +20,10 @@ package com.volmit.iris.engine.object;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.IrisSettings;
+import com.volmit.iris.core.link.Identifier;
 import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.core.nms.INMS;
+import com.volmit.iris.core.service.ExternalDataSVC;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.util.collection.KList;
@@ -211,9 +213,8 @@ public class IrisEntity extends IrisRegistrant {
 
         if (!spawnerScript.isEmpty() && ee == null) {
             synchronized (this) {
-                gen.getExecution().getAPI().setLocation(at);
                 try {
-                    ee = (Entity) gen.getExecution().evaluate(spawnerScript);
+                    ee = (Entity) gen.getExecution().spawnMob(spawnerScript, at);
                 } catch (Throwable ex) {
                     Iris.error("You must return an Entity in your scripts to use entity scripts!");
                     ex.printStackTrace();
@@ -353,11 +354,8 @@ public class IrisEntity extends IrisRegistrant {
 
         if (postSpawnScripts.isNotEmpty()) {
             synchronized (this) {
-                gen.getExecution().getAPI().setLocation(at);
-                gen.getExecution().getAPI().setEntity(ee);
-
                 for (String i : postSpawnScripts) {
-                    gen.getExecution().execute(i);
+                    gen.getExecution().postSpawnMob(i, at, ee);
                 }
             }
         }
@@ -455,24 +453,13 @@ public class IrisEntity extends IrisRegistrant {
         }
 
         if (isSpecialType()) {
-            if (specialType.toLowerCase().startsWith("mythicmobs:")) {
-                return Iris.linkMythicMobs.spawnMob(specialType.substring(11), at);
-            } else {
-                Iris.warn("Invalid mob type to spawn: '" + specialType + "'!");
-                return null;
-            }
+            return Iris.service(ExternalDataSVC.class).spawnMob(at, Identifier.fromString(specialType));
         }
 
 
         return INMS.get().spawnEntity(at, getType(), getReason());
     }
 
-    public boolean isCitizens() {
-        return false;
-
-        // TODO: return Iris.linkCitizens.supported() && someType is not empty;
-    }
-
     public boolean isSpecialType() {
         return specialType != null && !specialType.equals("");
     }

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

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

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

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

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

@@ -1,43 +0,0 @@
-/*
- * Iris is a World Generator for Minecraft Bukkit Servers
- * Copyright (c) 2022 Arcane Arts (Volmit Software)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.volmit.iris.engine.object;
-
-import com.volmit.iris.engine.object.annotations.*;
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
-import lombok.experimental.Accessors;
-
-@Snippet("jigsaw-placer")
-@Accessors(chain = true)
-@NoArgsConstructor
-@AllArgsConstructor
-@Desc("Represents a jigsaw placement")
-@Data
-public class IrisJigsawPlacement {
-    @RegistryListResource(IrisJigsawStructure.class)
-    @Required
-    @Desc("The jigsaw structure to use")
-    private String structure = "";
-
-    @Required
-    @MinNumber(1)
-    @Desc("The rarity for this jigsaw structure to place on a per chunk basis")
-    private int rarity = 29;
-}

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

@@ -23,6 +23,7 @@ import com.volmit.iris.core.loader.IrisRegistrant;
 import com.volmit.iris.engine.data.cache.AtomicCache;
 import com.volmit.iris.engine.object.annotations.*;
 import com.volmit.iris.engine.object.annotations.functions.StructureKeyFunction;
+import com.volmit.iris.engine.object.annotations.functions.StructureKeyOrTagFunction;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.json.JSONObject;
 import com.volmit.iris.util.plugin.VolmitSender;
@@ -40,6 +41,11 @@ import lombok.experimental.Accessors;
 @Data
 @EqualsAndHashCode(callSuper = false)
 public class IrisJigsawStructure extends IrisRegistrant {
+    @RegistryListFunction(StructureKeyFunction.class)
+    @ArrayType(min = 1, type = String.class)
+    @Desc("The datapack structures. Randomply chooses a structure to place\nIgnores every other setting")
+    private KList<String> datapackStructures = new KList<>();
+
     @RegistryListResource(IrisJigsawPiece.class)
     @Required
     @ArrayType(min = 1, type = String.class)
@@ -70,7 +76,7 @@ public class IrisJigsawStructure extends IrisRegistrant {
     @Desc("Set to true to prevent rotating the initial structure piece")
     private boolean disableInitialRotation = false;
 
-    @RegistryListFunction(StructureKeyFunction.class)
+    @RegistryListFunction(StructureKeyOrTagFunction.class)
     @Desc("The minecraft key to use when creating treasure maps")
     private String structureKey = null;
 
@@ -117,6 +123,10 @@ public class IrisJigsawStructure extends IrisRegistrant {
 
     public int getMaxDimension() {
         return maxDimension.aquire(() -> {
+            if (datapackStructures.isNotEmpty()) {
+                return 0;
+            }
+
             if (useMaxPieceSizeForParallaxRadius) {
                 int max = 0;
                 KList<String> pools = new KList<>();

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

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

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

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

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

@@ -93,13 +93,13 @@ public class IrisRavine extends IrisRegistrant {
     }
 
     public void generate(MantleWriter writer, RNG rng, Engine engine, int x, int y, int z) {
-        generate(writer, rng, engine, x, y, z, 0, -1);
+        generate(writer, rng, new RNG(engine.getSeedManager().getCarve()), engine, x, y, z, 0, -1);
     }
 
-    public void generate(MantleWriter writer, RNG rng, Engine engine, int x, int y, int z, int recursion, int waterHint) {
-        KList<IrisPosition> pos = getWorm().generate(rng, engine.getData(), writer, null, x, y, z, true, 0);
-        CNG dg = depthStyle.getGenerator().createNoCache(rng, engine.getData());
-        CNG bw = baseWidthStyle.getGenerator().createNoCache(rng, engine.getData());
+    public void generate(MantleWriter writer, RNG rng, RNG base, Engine engine, int x, int y, int z, int recursion, int waterHint) {
+        KList<IrisPosition> pos = getWorm().generate(base.nextParallelRNG(879615), engine.getData(), writer, null, x, y, z, true, 0);
+        CNG dg = depthStyle.getGenerator().create(base.nextParallelRNG(7894156), engine.getData());
+        CNG bw = baseWidthStyle.getGenerator().create(base.nextParallelRNG(15315456), engine.getData());
         int highestWater = Math.max(waterHint, -1);
         boolean water = false;
 
@@ -134,7 +134,7 @@ public class IrisRavine extends IrisRegistrant {
             int width = (int) Math.round(bw.fitDouble(baseWidthStyle.getMin(), baseWidthStyle.getMax(), p.getX(), p.getZ()));
             int surface = (int) Math.round(rsurface - depth * 0.45);
 
-            fork.doCarving(writer, rng, engine, p.getX(), rng.i(surface - depth, surface), p.getZ(), recursion, Math.max(highestWater, waterHint));
+            fork.doCarving(writer, rng, base, engine, p.getX(), rng.i(surface - depth, surface), p.getZ(), recursion, highestWater);
 
             for (int i = surface + depth; i >= surface; i--) {
                 if (i % ribThickness == 0) {

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

@@ -60,10 +60,10 @@ public class IrisRavinePlacer implements IRare {
     }
 
     public void generateRavine(MantleWriter mantle, RNG rng, Engine engine, int x, int y, int z) {
-        generateRavine(mantle, rng, engine, x, y, z, 0, -1);
+        generateRavine(mantle, rng, new RNG(engine.getSeedManager().getCarve()), engine, x, y, z, 0, -1);
     }
 
-    public void generateRavine(MantleWriter mantle, RNG rng, Engine engine, int x, int y, int z, int recursion, int waterHint) {
+    public void generateRavine(MantleWriter mantle, RNG rng, RNG base, Engine engine, int x, int y, int z, int recursion, int waterHint) {
         if (fail.get()) {
             return;
         }
@@ -84,7 +84,7 @@ public class IrisRavinePlacer implements IRare {
         try {
             int xx = x + rng.nextInt(15);
             int zz = z + rng.nextInt(15);
-            ravine.generate(mantle, rng, engine, xx, y, zz, recursion, waterHint);
+            ravine.generate(mantle, rng, base, engine, xx, y, zz, recursion, waterHint);
         } catch (Throwable e) {
             e.printStackTrace();
             fail.set(true);

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

@@ -0,0 +1,74 @@
+package com.volmit.iris.engine.object;
+
+import com.volmit.iris.engine.framework.Engine;
+import com.volmit.iris.engine.framework.EngineAssignedComponent;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.documentation.ChunkCoordinates;
+import com.volmit.iris.util.math.Position2;
+import com.volmit.iris.util.math.RNG;
+import com.volmit.iris.util.noise.CNG;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.function.BiPredicate;
+
+public class IrisStructurePopulator extends EngineAssignedComponent {
+    private final CNG cng;
+    private final long mantle;
+    private final long jigsaw;
+
+    public IrisStructurePopulator(Engine engine) {
+        super(engine, "Datapack Structures");
+        mantle = engine.getSeedManager().getMantle();
+        jigsaw = engine.getSeedManager().getJigsaw();
+        cng = NoiseStyle.STATIC.create(new RNG(jigsaw));
+    }
+
+    @ChunkCoordinates
+    public void populateStructures(int x, int z, BiPredicate<String, Boolean> placer) {
+        int bX = x << 4, bZ = z << 4;
+        var dimension = getDimension();
+        var region = getEngine().getRegion(bX + 8, bZ + 8);
+        var biome = getEngine().getSurfaceBiome(bX + 8, bZ + 8);
+        var loader = getData().getJigsawStructureLoader();
+
+        long seed = cng.fit(Integer.MIN_VALUE, Integer.MAX_VALUE, x, z);
+        if (dimension.getStronghold() != null) {
+            var list = getDimension().getStrongholds(mantle);
+            if (list != null && list.contains(new Position2(bX, bZ))) {
+                place(placer, loader.load(dimension.getStronghold()), new RNG(seed), true);
+                return;
+            }
+        }
+
+        boolean placed = place(placer, biome.getJigsawStructures(), seed, x, z);
+        if (!placed) placed = place(placer, region.getJigsawStructures(), seed, x, z);
+        if (!placed) place(placer, dimension.getJigsawStructures(), seed, x, z);
+    }
+
+    private boolean place(BiPredicate<String, Boolean> placer, KList<IrisJigsawStructurePlacement> placements, long seed, int x, int z) {
+        var placement = pick(placements, seed, x, z);
+        if (placement == null) return false;
+        return place(placer, getData().getJigsawStructureLoader().load(placement.getStructure()), new RNG(seed), false);
+    }
+
+    @Nullable
+    @ChunkCoordinates
+    private IrisJigsawStructurePlacement pick(List<IrisJigsawStructurePlacement> structures, long seed, int x, int z) {
+        return IRare.pick(structures.stream()
+                .filter(p -> p.shouldPlace(getData(), getDimension().getJigsawStructureDivisor(), jigsaw, x, z))
+                .toList(), new RNG(seed).nextDouble());
+    }
+
+    @ChunkCoordinates
+    private boolean place(BiPredicate<String, Boolean> placer, IrisJigsawStructure structure, RNG rng, boolean ignoreBiomes) {
+        if (structure == null || structure.getDatapackStructures().isEmpty()) return false;
+        var keys = structure.getDatapackStructures().shuffleCopy(rng);
+        while (keys.isNotEmpty()) {
+            String key = keys.removeFirst();
+            if (key != null && placer.test(key, ignoreBiomes || structure.isForcePlace()))
+                return true;
+        }
+        return false;
+    }
+}

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

@@ -71,9 +71,9 @@ public class IrisWorm {
         IrisPosition start = new IrisPosition(x, y, z);
         KList<IrisPosition> pos = new KList<>();
         KSet<IrisPosition> check = allowLoops ? null : new KSet<>();
-        CNG gx = xStyle.getGenerator().createNoCache(new RNG(rng.lmax()), data);
-        CNG gy = yStyle.getGenerator().createNoCache(new RNG(rng.lmax()), data);
-        CNG gz = zStyle.getGenerator().createNoCache(new RNG(rng.lmax()), data);
+        CNG gx = xStyle.getGenerator().create(rng.nextParallelRNG(14567), data);
+        CNG gy = yStyle.getGenerator().create(rng.nextParallelRNG(64789), data);
+        CNG gz = zStyle.getGenerator().create(rng.nextParallelRNG(34790), data);
 
         while (itr-- > 0) {
             IrisPosition current = new IrisPosition(Math.round(cx), Math.round(cy), Math.round(cz));

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

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

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

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

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

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