INMS

pom.xml

@@ -188,12 +188,6 @@
 			<version>1.16.2</version>
 			<scope>provided</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.bukkit.craftbukkit</groupId>
-			<artifactId>cb-1.16.1</artifactId>
-			<version>1.16.1</version>
-			<scope>provided</scope>
-		</dependency>
 		<dependency>
 			<groupId>org.bukkit.craftbukkit</groupId>
 			<artifactId>cb-1.15.1</artifactId>

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

@@ -19,6 +19,7 @@ import org.bukkit.plugin.Plugin;
 import com.volmit.iris.command.CommandIris;
 import com.volmit.iris.command.PermissionIris;
 import com.volmit.iris.gen.IrisTerrainProvider;
+import com.volmit.iris.gen.nms.INMS;
 import com.volmit.iris.gen.provisions.ProvisionBukkit;
 import com.volmit.iris.gen.scaffold.IrisGenConfiguration;
 import com.volmit.iris.gen.scaffold.TerrainTarget;
@@ -60,7 +61,6 @@ public class Iris extends MortarPlugin
 	public static StructureManager struct;
 	public static EditManager edit;
 	public static IrisBoardManager board;
-	public static String nmsTag = findNMSTag();
 	public static MultiverseCoreLink linkMultiverseCore;
 	public static MythicMobsLink linkMythicMobs;
 	private static IrisLock lock = new IrisLock("Iris");
@@ -79,6 +79,7 @@ public class Iris extends MortarPlugin
 
 	public Iris()
 	{
+		INMS.get();
 		IO.delete(new File("iris"));
 		lowMemoryMode = Runtime.getRuntime().maxMemory() < 4000000000L; // 4 * 1000 * 1000 * 1000 // 4gb
 	}
@@ -97,22 +98,6 @@ public class Iris extends MortarPlugin
 		return tc;
 	}
 
-	private static String findNMSTag()
-	{
-		try
-		{
-			return Bukkit.getServer().getClass().getCanonicalName().split("\\Q.\\E")[3];
-		}
-
-		catch(Throwable e)
-		{
-			Iris.error("Failed to determine server nms version!");
-			e.printStackTrace();
-		}
-
-		return "UNKNOWN NMS VERSION";
-	}
-
 	public ProvisionBukkit createProvisionBukkit(IrisGenConfiguration config)
 	{
 		return new ProvisionBukkit(createIrisProvider(config));
@@ -277,6 +262,13 @@ public class Iris extends MortarPlugin
 	public static void msg(String string)
 	{
 		lock.lock();
+		if(instance == null)
+		{
+			System.out.println("[Iris]: " + string);
+			lock.unlock();
+			return;
+		}
+
 		String msg = C.GREEN + "[Iris]: " + C.GRAY + string;
 		Bukkit.getConsoleSender().sendMessage(msg);
 		lock.unlock();
@@ -438,11 +430,6 @@ public class Iris extends MortarPlugin
 		}
 	}
 
-	public static String nmsTag()
-	{
-		return nmsTag;
-	}
-
 	@SuppressWarnings("deprecation")
 	public static void later(NastyRunnable object)
 	{

src/main/java/com/volmit/iris/command/CommandIrisCreate.java

@@ -9,7 +9,7 @@ import org.bukkit.WorldType;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.gen.IrisTerrainProvider;
-import com.volmit.iris.gen.nms.NMSCreator;
+import com.volmit.iris.gen.nms.INMS;
 import com.volmit.iris.gen.provisions.ProvisionBukkit;
 import com.volmit.iris.gen.scaffold.IrisGenConfiguration;
 import com.volmit.iris.gen.scaffold.TerrainTarget;
@@ -109,7 +109,7 @@ public class CommandIrisCreate extends MortarCommand
 
 		WorldCreator wc = new WorldCreator(worldName).seed(seed).generator(gen).type(WorldType.NORMAL).environment(dim.getEnvironment());
 
-		World world = NMSCreator.createWorld(wc, false);
+		World world = INMS.get().createWorld(wc, false);
 
 		done.set(true);
 		sender.sendMessage(worldName + " Spawn Area generated.");

src/main/java/com/volmit/iris/gen/ContextualTerrainProvider.java

@@ -24,6 +24,7 @@ import org.bukkit.event.world.WorldUnloadEvent;
 import com.volmit.iris.Iris;
 import com.volmit.iris.gen.atomics.AtomicCache;
 import com.volmit.iris.gen.atomics.AtomicMulticache;
+import com.volmit.iris.gen.scaffold.GeneratedChunk;
 import com.volmit.iris.gen.scaffold.IrisContext;
 import com.volmit.iris.gen.scaffold.IrisMetrics;
 import com.volmit.iris.gen.scaffold.Provisioned;
@@ -42,6 +43,7 @@ import com.volmit.iris.util.B;
 import com.volmit.iris.util.BlockPosition;
 import com.volmit.iris.util.C;
 import com.volmit.iris.util.ChronoLatch;
+import com.volmit.iris.util.HeightMap;
 import com.volmit.iris.util.J;
 import com.volmit.iris.util.KList;
 import com.volmit.iris.util.KSet;
@@ -112,7 +114,7 @@ public abstract class ContextualTerrainProvider implements TerrainProvider, List
 		warnings.add(warning);
 	}
 
-	protected abstract void onGenerate(RNG masterRandom, int x, int z, TerrainChunk chunk);
+	protected abstract GeneratedChunk onGenerate(RNG masterRandom, int x, int z, TerrainChunk chunk);
 
 	protected abstract void onInit(RNG masterRandom);
 
@@ -382,7 +384,7 @@ public abstract class ContextualTerrainProvider implements TerrainProvider, List
 	}
 
 	@Override
-	public void generate(Random no, int x, int z, TerrainChunk terrain)
+	public GeneratedChunk generate(Random no, int x, int z, TerrainChunk terrain)
 	{
 		setHotloadable(false);
 		if(!isDev())
@@ -394,20 +396,20 @@ public abstract class ContextualTerrainProvider implements TerrainProvider, List
 		if(failing)
 		{
 			generateFailure(terrain);
-			return;
+			return GeneratedChunk.builder().build();
 		}
 
 		try
 		{
 			RNG random = new RNG(getTarget().getSeed());
 			init(random.nextParallelRNG(0));
-			onGenerate(random, x, z, terrain);
+			GeneratedChunk c = onGenerate(random, x, z, terrain);
 			generated++;
 			long hits = CNG.hits;
 			CNG.hits = 0;
 			Iris.instance.hit(hits);
 			setHotloadable(true);
-			return;
+			return c;
 		}
 
 		catch(Throwable e)
@@ -417,6 +419,7 @@ public abstract class ContextualTerrainProvider implements TerrainProvider, List
 
 		setHotloadable(true);
 		generateFailure(terrain);
+		return GeneratedChunk.builder().build();
 	}
 
 	private void doCheckHotload()

src/main/java/com/volmit/iris/gen/IrisTerrainProvider.java

@@ -20,6 +20,7 @@ import org.bukkit.util.BlockVector;
 import com.volmit.iris.Iris;
 import com.volmit.iris.IrisSettings;
 import com.volmit.iris.gen.atomics.AtomicRegionData;
+import com.volmit.iris.gen.scaffold.GeneratedChunk;
 import com.volmit.iris.gen.scaffold.IrisContext;
 import com.volmit.iris.gen.scaffold.IrisGenConfiguration;
 import com.volmit.iris.gen.scaffold.TerrainChunk;
@@ -91,18 +92,19 @@ public class IrisTerrainProvider extends SkyTerrainProvider implements IrisConte
 	}
 
 	@Override
-	public void generate(Random no, int x, int z, TerrainChunk terrain)
+	public GeneratedChunk generate(Random no, int x, int z, TerrainChunk terrain)
 	{
 		PrecisionStopwatch s = PrecisionStopwatch.start();
-		super.generate(no, x, z, terrain);
+		GeneratedChunk c = super.generate(no, x, z, terrain);
 		s.end();
 		getMetrics().getTotal().put(s.getMilliseconds());
+		return c;
 	}
 
 	@Override
-	protected void onGenerate(RNG random, int x, int z, TerrainChunk terrain)
+	protected GeneratedChunk onGenerate(RNG random, int x, int z, TerrainChunk terrain)
 	{
-		super.onGenerate(random, x, z, terrain);
+		return super.onGenerate(random, x, z, terrain);
 	}
 
 	public void onInit(RNG rng)

src/main/java/com/volmit/iris/gen/ParallelTerrainProvider.java

@@ -3,6 +3,7 @@ package com.volmit.iris.gen;
 import com.volmit.iris.Iris;
 import com.volmit.iris.gen.atomics.AtomicSliver;
 import com.volmit.iris.gen.atomics.AtomicSliverMap;
+import com.volmit.iris.gen.scaffold.GeneratedChunk;
 import com.volmit.iris.gen.scaffold.TerrainChunk;
 import com.volmit.iris.gen.scaffold.TerrainTarget;
 import com.volmit.iris.util.BiomeMap;
@@ -44,7 +45,7 @@ public abstract class ParallelTerrainProvider extends DimensionalTerrainProvider
 		Iris.info("Thread Count changed to " + getThreads());
 	}
 
-	protected abstract void onGenerateColumn(int cx, int cz, int wx, int wz, int x, int z, AtomicSliver sliver, BiomeMap biomeMap, boolean sampled);
+	protected abstract int onGenerateColumn(int cx, int cz, int wx, int wz, int x, int z, AtomicSliver sliver, BiomeMap biomeMap, boolean sampled);
 
 	protected void onGenerateColumn(int cx, int cz, int wx, int wz, int x, int z, AtomicSliver sliver, BiomeMap biomeMap)
 	{
@@ -62,7 +63,7 @@ public abstract class ParallelTerrainProvider extends DimensionalTerrainProvider
 		return onSampleColumnHeight(x >> 4, z >> 4, x, z, x & 15, z & 15);
 	}
 
-	protected void onGenerate(RNG random, int x, int z, TerrainChunk terrain)
+	protected GeneratedChunk onGenerate(RNG random, int x, int z, TerrainChunk terrain)
 	{
 		PrecisionStopwatch p = PrecisionStopwatch.start();
 		AtomicSliverMap map = new AtomicSliverMap();
@@ -103,6 +104,14 @@ public abstract class ParallelTerrainProvider extends DimensionalTerrainProvider
 		getMetrics().getTerrain().put(p.getMilliseconds());
 		p = PrecisionStopwatch.start();
 		onPostGenerate(random, x, z, terrain, height, biomeMap, map);
+		return GeneratedChunk.builder()
+				.biomeMap(biomeMap)
+				.sliverMap(map)
+				.height(height)
+				.terrain(terrain)
+				.x(x)
+				.z(z)
+				.build();
 	}
 
 	protected void onClose()

src/main/java/com/volmit/iris/gen/PostBlockTerrainProvider.java

@@ -4,6 +4,7 @@ import org.bukkit.generator.ChunkGenerator.ChunkData;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.gen.post.PostMasterPatcher;
+import com.volmit.iris.gen.scaffold.GeneratedChunk;
 import com.volmit.iris.gen.scaffold.TerrainChunk;
 import com.volmit.iris.gen.scaffold.TerrainTarget;
 import com.volmit.iris.util.CaveResult;
@@ -39,13 +40,13 @@ public abstract class PostBlockTerrainProvider extends ParallaxTerrainProvider i
 	}
 
 	@Override
-	protected void onGenerate(RNG random, int x, int z, TerrainChunk terrain)
+	protected GeneratedChunk onGenerate(RNG random, int x, int z, TerrainChunk terrain)
 	{
-		super.onGenerate(random, x, z, terrain);
+		GeneratedChunk map = super.onGenerate(random, x, z, terrain);
 
 		if(!getDimension().isPostProcessing())
 		{
-			return;
+			return map;
 		}
 
 		int rx, i;
@@ -74,6 +75,7 @@ public abstract class PostBlockTerrainProvider extends ParallaxTerrainProvider i
 
 		p.end();
 		getMetrics().getPost().put(p.getMilliseconds());
+		return map;
 	}
 
 	@Override

src/main/java/com/volmit/iris/gen/SkyTerrainProvider.java

@@ -1,5 +1,6 @@
 package com.volmit.iris.gen;
 
+import com.volmit.iris.gen.scaffold.GeneratedChunk;
 import com.volmit.iris.gen.scaffold.TerrainChunk;
 import com.volmit.iris.gen.scaffold.TerrainTarget;
 import com.volmit.iris.util.RNG;
@@ -12,8 +13,8 @@ public abstract class SkyTerrainProvider extends PostBlockTerrainProvider
 	}
 
 	@Override
-	protected void onGenerate(RNG random, int x, int z, TerrainChunk terrain)
+	protected GeneratedChunk onGenerate(RNG random, int x, int z, TerrainChunk terrain)
 	{
-		super.onGenerate(random, x, z, terrain);
+		return super.onGenerate(random, x, z, terrain);
 	}
 }

src/main/java/com/volmit/iris/gen/TopographicTerrainProvider.java

@@ -12,6 +12,7 @@ import com.volmit.iris.gen.layer.GenLayerBiome;
 import com.volmit.iris.gen.layer.GenLayerCarve;
 import com.volmit.iris.gen.layer.GenLayerCave;
 import com.volmit.iris.gen.layer.GenLayerRavine;
+import com.volmit.iris.gen.scaffold.GeneratedChunk;
 import com.volmit.iris.gen.scaffold.TerrainChunk;
 import com.volmit.iris.gen.scaffold.TerrainTarget;
 import com.volmit.iris.noise.CNG;
@@ -119,7 +120,7 @@ public abstract class TopographicTerrainProvider extends ParallelTerrainProvider
 	}
 
 	@Override
-	protected void onGenerateColumn(int cx, int cz, int rx, int rz, int x, int z, AtomicSliver sliver, BiomeMap biomeMap, boolean sampled)
+	protected int onGenerateColumn(int cx, int cz, int rx, int rz, int x, int z, AtomicSliver sliver, BiomeMap biomeMap, boolean sampled)
 	{
 		if(x > 15 || x < 0 || z > 15 || z < 0)
 		{
@@ -339,17 +340,21 @@ public abstract class TopographicTerrainProvider extends ParallelTerrainProvider
 		{
 			decorateLand(crand, biome, sliver, Math.max(height, fluidHeight), rx, rz, block);
 		}
+
+		return height;
 	}
 
 	@Override
-	protected void onGenerate(RNG random, int x, int z, TerrainChunk terrain)
+	protected GeneratedChunk onGenerate(RNG random, int x, int z, TerrainChunk terrain)
 	{
-		super.onGenerate(random, x, z, terrain);
+		GeneratedChunk map = super.onGenerate(random, x, z, terrain);
 
 		if(!getDimension().isVanillaCaves())
 		{
 			generateDeposits(random.nextParallelRNG(x * ((z * 39) + 10000)).nextParallelRNG(z + z - x), terrain, x, z);
 		}
+		
+		return map;
 	}
 
 	private void decorateLand(RNG rng, IrisBiome biome, AtomicSliver sliver, int k, int rx, int rz, FastBlockData block)

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

@@ -0,0 +1,66 @@
+package com.volmit.iris.gen.nms;
+
+import org.bukkit.Bukkit;
+
+import com.volmit.iris.Iris;
+import com.volmit.iris.gen.nms.v16_2.NMSBinding16_2;
+import com.volmit.iris.gen.nms.v1X.NMSBinding1X;
+import com.volmit.iris.util.KMap;
+
+public class INMS
+{
+	//@builder
+	private static final KMap<String, Class<? extends INMSBinding>> bindings = new KMap<String, Class<? extends INMSBinding>>()
+			.qput("v1_16_R2", NMSBinding16_2.class);
+	//@done
+	private static final INMSBinding binding = bind();
+
+	public static INMSBinding get()
+	{
+		return binding;
+	}
+
+	private static final String getNMSTag()
+	{
+		try
+		{
+			return Bukkit.getServer().getClass().getCanonicalName().split("\\Q.\\E")[3];
+		}
+
+		catch(Throwable e)
+		{
+			Iris.error("Failed to determine server nms version!");
+			e.printStackTrace();
+		}
+
+		return "BUKKIT";
+	}
+
+	private static final INMSBinding bind()
+	{
+		String code = getNMSTag();
+		Iris.info("Locating NMS Binding for " + code);
+
+		if(bindings.containsKey(code))
+		{
+			try
+			{
+				INMSBinding b = bindings.get(code).getConstructor().newInstance();
+				Iris.info("Craftbukkit " + code + " <-> " + b.getClass().getSimpleName() + " Successfully Bound");
+
+				return b;
+			}
+
+			catch(Throwable e)
+			{
+				e.printStackTrace();
+			}
+		}
+
+		Iris.info("Craftbukkit " + code + " <-> " + NMSBinding1X.class.getSimpleName() + " Successfully Bound");
+		Iris.warn("Note: Some features of Iris may not work the same since you are on an unsupported version of Minecraft.");
+		Iris.warn("Note: If this is a new version, expect an update soon.");
+
+		return new NMSBinding1X();
+	}
+}

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

@@ -0,0 +1,19 @@
+package com.volmit.iris.gen.nms;
+
+import org.bukkit.World;
+import org.bukkit.WorldCreator;
+
+public interface INMSBinding
+{
+	public INMSCreator getCreator();
+
+	default World createWorld(WorldCreator creator)
+	{
+		return getCreator().createWorld(creator);
+	}
+
+	default World createWorld(WorldCreator creator, boolean loadSpawn)
+	{
+		return getCreator().createWorld(creator, loadSpawn);
+	}
+}

src/main/java/com/volmit/iris/gen/nms/INMSCreator.java

@@ -0,0 +1,14 @@
+package com.volmit.iris.gen.nms;
+
+import org.bukkit.World;
+import org.bukkit.WorldCreator;
+
+public interface INMSCreator
+{
+	default World createWorld(WorldCreator creator)
+	{
+		return createWorld(creator, false);
+	}
+
+	public World createWorld(WorldCreator creator, boolean loadSpawn);
+}

src/main/java/com/volmit/iris/gen/nms/NMSCreator.java

@@ -1,56 +0,0 @@
-package com.volmit.iris.gen.nms;
-
-import org.bukkit.Bukkit;
-import org.bukkit.World;
-import org.bukkit.WorldCreator;
-
-import com.volmit.iris.Iris;
-import com.volmit.iris.IrisSettings;
-
-import io.papermc.lib.PaperLib;
-
-public class NMSCreator
-{
-	public static World createWorld(WorldCreator creator)
-	{
-		return createWorld(creator, true);
-	}
-
-	public static World createWorld(WorldCreator creator, boolean loadSpawn)
-	{
-		if(IrisSettings.get().isSkipPrepareSpawnNMS())
-		{
-			if(!PaperLib.isPaper())
-			{
-				try
-				{
-					String code = Iris.nmsTag();
-
-					if(code.equals("v1_16_R2"))
-					{
-						return NMSCreator162.createWorld(creator, loadSpawn);
-					}
-					else if(code.equals("v1_16_R1"))
-					{
-						return NMSCreator161.createWorld(creator, loadSpawn);
-					}
-					else if(code.equals("v1_15_R1"))
-					{
-						return NMSCreator151.createWorld(creator, loadSpawn);
-					}
-					else if(code.equals("v1_14_R1"))
-					{
-						return NMSCreator141.createWorld(creator, loadSpawn);
-					}
-				}
-
-				catch(Throwable e)
-				{
-
-				}
-			}
-		}
-
-		return Bukkit.createWorld(creator);
-	}
-}

src/main/java/com/volmit/iris/gen/nms/WorldCracker162.java

@@ -1,35 +0,0 @@
-package com.volmit.iris.gen.nms;
-
-import org.bukkit.World;
-import org.bukkit.craftbukkit.v1_16_R2.CraftWorld;
-
-import net.minecraft.server.v1_16_R2.ChunkGenerator;
-import net.minecraft.server.v1_16_R2.DimensionManager;
-import net.minecraft.server.v1_16_R2.IChunkAccess;
-import net.minecraft.server.v1_16_R2.MinecraftServer;
-import net.minecraft.server.v1_16_R2.RegistryMaterials;
-import net.minecraft.server.v1_16_R2.StructureManager;
-import net.minecraft.server.v1_16_R2.StructureSettings;
-import net.minecraft.server.v1_16_R2.WorldChunkManager;
-import net.minecraft.server.v1_16_R2.WorldDataServer;
-import net.minecraft.server.v1_16_R2.WorldDimension;
-import net.minecraft.server.v1_16_R2.WorldServer;
-
-public class WorldCracker162
-{
-	@SuppressWarnings("unused")
-	public static void printSignature(World world, int x, int z) throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException
-	{
-		WorldServer ws = ((CraftWorld) world).getHandle();
-		MinecraftServer server = ws.getMinecraftServer();
-		WorldDataServer wds = ws.worldDataServer;
-		StructureManager sm = ws.getStructureManager();
-		RegistryMaterials<WorldDimension> registrymaterials = wds.getGeneratorSettings().d();
-		WorldDimension wdm = (WorldDimension) registrymaterials.a(WorldDimension.OVERWORLD);
-		DimensionManager dm = wdm.b();
-		ChunkGenerator cg = wdm.c();
-		StructureSettings ss = cg.getSettings();
-		IChunkAccess ica = ws.getChunkAt(x, z);
-		WorldChunkManager wcm = cg.getWorldChunkManager();
-	}
-}

src/main/java/com/volmit/iris/gen/nms/v14_1/NMSCreator14_1.java

@@ -1,144 +0,0 @@
-package com.volmit.iris.gen.nms;
-
-import java.io.File;
-import java.util.Locale;
-import java.util.Map;
-
-import org.apache.commons.lang.Validate;
-import org.bukkit.Bukkit;
-import org.bukkit.Location;
-import org.bukkit.World;
-import org.bukkit.WorldCreator;
-import org.bukkit.craftbukkit.v1_14_R1.CraftServer;
-import org.bukkit.craftbukkit.v1_14_R1.CraftWorld;
-import org.bukkit.event.Event;
-import org.bukkit.event.world.WorldInitEvent;
-import org.bukkit.event.world.WorldLoadEvent;
-import org.bukkit.generator.ChunkGenerator;
-
-import com.google.common.base.Preconditions;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonParser;
-import com.volmit.iris.util.V;
-
-import net.minecraft.server.v1_14_R1.DedicatedServer;
-import net.minecraft.server.v1_14_R1.DimensionManager;
-import net.minecraft.server.v1_14_R1.EnumDifficulty;
-import net.minecraft.server.v1_14_R1.EnumGamemode;
-import net.minecraft.server.v1_14_R1.GameProfilerFiller;
-import net.minecraft.server.v1_14_R1.MinecraftServer;
-import net.minecraft.server.v1_14_R1.WorldData;
-import net.minecraft.server.v1_14_R1.WorldNBTStorage;
-import net.minecraft.server.v1_14_R1.WorldProvider;
-import net.minecraft.server.v1_14_R1.WorldServer;
-import net.minecraft.server.v1_14_R1.WorldSettings;
-import net.minecraft.server.v1_14_R1.ChunkCoordIntPair;
-import net.minecraft.server.v1_14_R1.TicketType;
-import net.minecraft.server.v1_14_R1.Unit;
-
-public class NMSCreator141
-{
-	public static void addStartTicket(Location center, int size)
-	{
-		((CraftWorld) center.getWorld()).getHandle().getChunkProvider().addTicket(TicketType.START, new ChunkCoordIntPair(center.getBlockX() >> 4, center.getBlockZ() >> 4), size, Unit.INSTANCE);
-	}
-
-	@SuppressWarnings({"resource", "deprecation"})
-	public static World createWorld(WorldCreator creator, boolean loadSpawn)
-	{
-		CraftServer server = ((CraftServer) Bukkit.getServer());
-		Map<String, World> worlds = new V(server).get("worlds");
-		DedicatedServer console = new V(server).get("console");
-		WorldSettings worldSettings;
-		Preconditions.checkState((boolean) (!console.worldServer.isEmpty()), (Object) "Cannot create additional worlds on STARTUP");
-		Validate.notNull((Object) creator, (String) "Creator may not be null");
-		String name = creator.name();
-		ChunkGenerator generator = creator.generator();
-		File folder = new File(server.getWorldContainer(), name);
-		World world = server.getWorld(name);
-		net.minecraft.server.v1_14_R1.WorldType type = net.minecraft.server.v1_14_R1.WorldType.getType((String) creator.type().getName());
-		boolean generateStructures = creator.generateStructures();
-		if(world != null)
-		{
-			return world;
-		}
-		if(folder.exists() && !folder.isDirectory())
-		{
-			throw new IllegalArgumentException("File exists with the name '" + name + "' and isn't a folder");
-		}
-		if(generator == null)
-		{
-			generator = server.getGenerator(name);
-		}
-		console.convertWorld(name);
-		int dimension = 10 + console.worldServer.size();
-		boolean used = false;
-		block0: do
-		{
-			for(WorldServer ss : console.getWorlds())
-			{
-				@SuppressWarnings("unused")
-				boolean bl = used = ss.getWorldProvider().getDimensionManager().getDimensionID() == dimension;
-				if(!used)
-					continue;
-				++dimension;
-				continue block0;
-			}
-		}
-		while(used);
-		boolean hardcore = false;
-		WorldNBTStorage sdm = new WorldNBTStorage(server.getWorldContainer(), name, (MinecraftServer) server.getServer(), server.getHandle().getServer().dataConverterManager);
-		WorldData worlddata = sdm.getWorldData();
-		if(worlddata == null)
-		{
-			worldSettings = new WorldSettings(creator.seed(), EnumGamemode.getById((int) server.getDefaultGameMode().getValue()), generateStructures, hardcore, type);
-			JsonElement parsedSettings = new JsonParser().parse(creator.generatorSettings());
-			if(parsedSettings.isJsonObject())
-			{
-				worldSettings.setGeneratorSettings((JsonElement) parsedSettings.getAsJsonObject());
-			}
-			worlddata = new WorldData(worldSettings, name);
-		}
-		else
-		{
-			worlddata.setName(name);
-			worldSettings = new WorldSettings(worlddata);
-		}
-		DimensionManager actualDimension = DimensionManager.a((int) creator.environment().getId());
-		DimensionManager internalDimension = DimensionManager.register((String) name.toLowerCase(Locale.ENGLISH), (DimensionManager) new DimensionManager(dimension, actualDimension.getSuffix(), actualDimension.folder, (w, manager) -> (WorldProvider) manager.providerFactory.apply(w, manager), actualDimension.hasSkyLight(), actualDimension));
-		//@builder
-        WorldServer internal = new WorldServer(
-        		(MinecraftServer)console, 
-        		console.executorService, 
-        		sdm, 
-        		worlddata, 
-        		internalDimension, 
-        		(GameProfilerFiller)console.getMethodProfiler(), 
-        		server.getServer().worldLoadListenerFactory.create(11), 
-        		creator.environment(), 
-        		generator);
-        //@done
-		if(!worlds.containsKey(name.toLowerCase(Locale.ENGLISH)))
-		{
-			return null;
-		}
-		console.initWorld(internal, worlddata, worldSettings);
-		internal.worldData.setDifficulty(EnumDifficulty.EASY);
-		internal.setSpawnFlags(true, true);
-		console.worldServer.put(internal.getWorldProvider().getDimensionManager(), internal);
-		server.getPluginManager().callEvent((Event) new WorldInitEvent((World) internal.getWorld()));
-
-		if(loadSpawn)
-		{
-			server.getServer().loadSpawn(internal.getChunkProvider().playerChunkMap.worldLoadListener, internal);
-		}
-
-		else
-		{
-			MinecraftServer.LOGGER.info("Preparing start region for dimens... Oh wait, We don't do that here anymore.");
-		}
-
-		server.getPluginManager().callEvent((Event) new WorldLoadEvent((World) internal.getWorld()));
-		return internal.getWorld();
-	}
-}

src/main/java/com/volmit/iris/gen/nms/v15_1/NMSCreator15_1.java

@@ -1,144 +0,0 @@
-package com.volmit.iris.gen.nms;
-
-import java.io.File;
-import java.util.Locale;
-import java.util.Map;
-
-import org.apache.commons.lang.Validate;
-import org.bukkit.Bukkit;
-import org.bukkit.Location;
-import org.bukkit.World;
-import org.bukkit.WorldCreator;
-import org.bukkit.craftbukkit.v1_15_R1.CraftServer;
-import org.bukkit.craftbukkit.v1_15_R1.CraftWorld;
-import org.bukkit.event.Event;
-import org.bukkit.event.world.WorldInitEvent;
-import org.bukkit.event.world.WorldLoadEvent;
-import org.bukkit.generator.ChunkGenerator;
-
-import com.google.common.base.Preconditions;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonParser;
-import com.volmit.iris.util.V;
-
-import net.minecraft.server.v1_15_R1.DedicatedServer;
-import net.minecraft.server.v1_15_R1.DimensionManager;
-import net.minecraft.server.v1_15_R1.EnumDifficulty;
-import net.minecraft.server.v1_15_R1.EnumGamemode;
-import net.minecraft.server.v1_15_R1.GameProfilerFiller;
-import net.minecraft.server.v1_15_R1.MinecraftServer;
-import net.minecraft.server.v1_15_R1.WorldData;
-import net.minecraft.server.v1_15_R1.WorldNBTStorage;
-import net.minecraft.server.v1_15_R1.WorldProvider;
-import net.minecraft.server.v1_15_R1.WorldServer;
-import net.minecraft.server.v1_15_R1.WorldSettings;
-import net.minecraft.server.v1_15_R1.ChunkCoordIntPair;
-import net.minecraft.server.v1_15_R1.TicketType;
-import net.minecraft.server.v1_15_R1.Unit;
-
-public class NMSCreator151
-{
-	public static void addStartTicket(Location center, int size)
-	{
-		((CraftWorld) center.getWorld()).getHandle().getChunkProvider().addTicket(TicketType.START, new ChunkCoordIntPair(center.getBlockX() >> 4, center.getBlockZ() >> 4), size, Unit.INSTANCE);
-	}
-	
-	@SuppressWarnings({"resource", "deprecation"})
-	public static World createWorld(WorldCreator creator, boolean loadSpawn)
-	{
-		CraftServer server = ((CraftServer) Bukkit.getServer());
-		Map<String, World> worlds = new V(server).get("worlds");
-		DedicatedServer console = new V(server).get("console");
-		WorldSettings worldSettings;
-		Preconditions.checkState((boolean) (!console.worldServer.isEmpty()), (Object) "Cannot create additional worlds on STARTUP");
-		Validate.notNull((Object) creator, (String) "Creator may not be null");
-		String name = creator.name();
-		ChunkGenerator generator = creator.generator();
-		File folder = new File(server.getWorldContainer(), name);
-		World world = server.getWorld(name);
-		net.minecraft.server.v1_15_R1.WorldType type = net.minecraft.server.v1_15_R1.WorldType.getType((String) creator.type().getName());
-		boolean generateStructures = creator.generateStructures();
-		if(world != null)
-		{
-			return world;
-		}
-		if(folder.exists() && !folder.isDirectory())
-		{
-			throw new IllegalArgumentException("File exists with the name '" + name + "' and isn't a folder");
-		}
-		if(generator == null)
-		{
-			generator = server.getGenerator(name);
-		}
-		console.convertWorld(name);
-		int dimension = 10 + console.worldServer.size();
-		boolean used = false;
-		block0: do
-		{
-			for(WorldServer ss : console.getWorlds())
-			{
-				@SuppressWarnings("unused")
-				boolean bl = used = ss.getWorldProvider().getDimensionManager().getDimensionID() == dimension;
-				if(!used)
-					continue;
-				++dimension;
-				continue block0;
-			}
-		}
-		while(used);
-		boolean hardcore = false;
-		WorldNBTStorage sdm = new WorldNBTStorage(server.getWorldContainer(), name, (MinecraftServer) server.getServer(), server.getHandle().getServer().dataConverterManager);
-		WorldData worlddata = sdm.getWorldData();
-		if(worlddata == null)
-		{
-			worldSettings = new WorldSettings(creator.seed(), EnumGamemode.getById((int) server.getDefaultGameMode().getValue()), generateStructures, hardcore, type);
-			JsonElement parsedSettings = new JsonParser().parse(creator.generatorSettings());
-			if(parsedSettings.isJsonObject())
-			{
-				worldSettings.setGeneratorSettings((JsonElement) parsedSettings.getAsJsonObject());
-			}
-			worlddata = new WorldData(worldSettings, name);
-		}
-		else
-		{
-			worlddata.setName(name);
-			worldSettings = new WorldSettings(worlddata);
-		}
-		DimensionManager actualDimension = DimensionManager.a((int) creator.environment().getId());
-		DimensionManager internalDimension = DimensionManager.register((String) name.toLowerCase(Locale.ENGLISH), (DimensionManager) new DimensionManager(dimension, actualDimension.getSuffix(), actualDimension.folder, (w, manager) -> (WorldProvider) manager.providerFactory.apply(w, manager), actualDimension.hasSkyLight(), actualDimension.getGenLayerZoomer(), actualDimension));
-		//@builder
-        WorldServer internal = new WorldServer(
-        		(MinecraftServer)console, 
-        		console.executorService, 
-        		sdm, 
-        		worlddata, 
-        		internalDimension, 
-        		(GameProfilerFiller)console.getMethodProfiler(), 
-        		server.getServer().worldLoadListenerFactory.create(11), 
-        		creator.environment(), 
-        		generator);
-        //@done
-		if(!worlds.containsKey(name.toLowerCase(Locale.ENGLISH)))
-		{
-			return null;
-		}
-		console.initWorld(internal, worlddata, worldSettings);
-		internal.worldData.setDifficulty(EnumDifficulty.EASY);
-		internal.setSpawnFlags(true, true);
-		console.worldServer.put(internal.getWorldProvider().getDimensionManager(), internal);
-		server.getPluginManager().callEvent((Event) new WorldInitEvent((World) internal.getWorld()));
-
-		if(loadSpawn)
-		{
-			server.getServer().loadSpawn(internal.getChunkProvider().playerChunkMap.worldLoadListener, internal);
-		}
-
-		else
-		{
-			MinecraftServer.LOGGER.info("Preparing start region for dimens... Oh wait, We don't do that here anymore.");
-		}
-
-		server.getPluginManager().callEvent((Event) new WorldLoadEvent((World) internal.getWorld()));
-		return internal.getWorld();
-	}
-}

src/main/java/com/volmit/iris/gen/nms/v16_1/NMSCreator16_1.java

@@ -1,218 +0,0 @@
-package com.volmit.iris.gen.nms;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Objects;
-import java.util.Properties;
-import java.util.Random;
-
-import org.apache.commons.lang.Validate;
-import org.bukkit.Bukkit;
-import org.bukkit.Location;
-import org.bukkit.World;
-import org.bukkit.WorldCreator;
-import org.bukkit.craftbukkit.v1_16_R1.CraftServer;
-import org.bukkit.craftbukkit.v1_16_R1.CraftWorld;
-import org.bukkit.event.Event;
-import org.bukkit.event.world.WorldInitEvent;
-import org.bukkit.event.world.WorldLoadEvent;
-
-import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableList;
-import com.mojang.serialization.DynamicOps;
-import com.mojang.serialization.Lifecycle;
-import com.volmit.iris.util.V;
-
-import net.minecraft.server.v1_16_R1.BiomeManager;
-import net.minecraft.server.v1_16_R1.Convertable;
-import net.minecraft.server.v1_16_R1.DedicatedServer;
-import net.minecraft.server.v1_16_R1.DimensionManager;
-import net.minecraft.server.v1_16_R1.DynamicOpsNBT;
-import net.minecraft.server.v1_16_R1.EnumDifficulty;
-import net.minecraft.server.v1_16_R1.EnumGamemode;
-import net.minecraft.server.v1_16_R1.GameRules;
-import net.minecraft.server.v1_16_R1.GeneratorSettings;
-import net.minecraft.server.v1_16_R1.IRegistry;
-import net.minecraft.server.v1_16_R1.IWorldDataServer;
-import net.minecraft.server.v1_16_R1.MinecraftKey;
-import net.minecraft.server.v1_16_R1.MinecraftServer;
-import net.minecraft.server.v1_16_R1.MobSpawner;
-import net.minecraft.server.v1_16_R1.MobSpawnerCat;
-import net.minecraft.server.v1_16_R1.MobSpawnerPatrol;
-import net.minecraft.server.v1_16_R1.MobSpawnerPhantom;
-import net.minecraft.server.v1_16_R1.MobSpawnerTrader;
-import net.minecraft.server.v1_16_R1.NBTBase;
-import net.minecraft.server.v1_16_R1.RegistryMaterials;
-import net.minecraft.server.v1_16_R1.RegistryReadOps;
-import net.minecraft.server.v1_16_R1.ResourceKey;
-import net.minecraft.server.v1_16_R1.SaveData;
-import net.minecraft.server.v1_16_R1.VillageSiege;
-import net.minecraft.server.v1_16_R1.WorldDataServer;
-import net.minecraft.server.v1_16_R1.WorldDimension;
-import net.minecraft.server.v1_16_R1.WorldServer;
-import net.minecraft.server.v1_16_R1.WorldSettings;
-import net.minecraft.server.v1_16_R1.ChunkCoordIntPair;
-import net.minecraft.server.v1_16_R1.TicketType;
-import net.minecraft.server.v1_16_R1.Unit;
-
-public class NMSCreator161
-{
-	public static void addStartTicket(Location center, int size)
-	{
-		((CraftWorld) center.getWorld()).getHandle().getChunkProvider().addTicket(TicketType.START, new ChunkCoordIntPair(center.getBlockX() >> 4, center.getBlockZ() >> 4), size, Unit.INSTANCE);
-	}
-
-	@SuppressWarnings({"unchecked", "rawtypes", "resource"})
-	public static World createWorld(WorldCreator creator, boolean loadSpawn)
-	{
-		CraftServer server = ((CraftServer) Bukkit.getServer());
-		Map<String, World> worlds = new V(server).get("worlds");
-		DedicatedServer console = new V(server).get("console");
-		Preconditions.checkState(!console.worldServer.isEmpty(), (Object) "Cannot create additional worlds on STARTUP");
-		Validate.notNull((Object) creator, "Creator may not be null");
-		final String name = creator.name();
-		org.bukkit.generator.ChunkGenerator generator = creator.generator();
-		final File folder = new File(server.getWorldContainer(), name);
-		final World world = server.getWorld(name);
-
-		if(world != null)
-		{
-			return world;
-		}
-
-		if(folder.exists() && !folder.isDirectory())
-		{
-			throw new IllegalArgumentException("File exists with the name '" + name + "' and isn't a folder");
-		}
-
-		if(generator == null)
-		{
-			generator = server.getGenerator(name);
-		}
-
-		ResourceKey<WorldDimension> actualDimension = null;
-		switch(creator.environment())
-		{
-			case NORMAL:
-			{
-				actualDimension = (ResourceKey<WorldDimension>) WorldDimension.OVERWORLD;
-				break;
-			}
-			case NETHER:
-			{
-				actualDimension = (ResourceKey<WorldDimension>) WorldDimension.THE_NETHER;
-				break;
-			}
-			case THE_END:
-			{
-				actualDimension = (ResourceKey<WorldDimension>) WorldDimension.THE_END;
-				break;
-			}
-			default:
-			{
-				throw new IllegalArgumentException("Illegal dimension");
-			}
-		}
-		Convertable.ConversionSession worldSession;
-		try
-		{
-			worldSession = Convertable.a(server.getWorldContainer().toPath()).c(name, (ResourceKey) actualDimension);
-		}
-		catch(IOException ex)
-		{
-			throw new RuntimeException(ex);
-		}
-		MinecraftServer.convertWorld(worldSession);
-		final boolean hardcore = creator.hardcore();
-		final RegistryReadOps<NBTBase> registryreadops = (RegistryReadOps<NBTBase>) RegistryReadOps.a((DynamicOps) DynamicOpsNBT.a, console.dataPackResources.h(), console.f);
-		WorldDataServer worlddata = (WorldDataServer) worldSession.a((DynamicOps) registryreadops, console.datapackconfiguration);
-		if(worlddata == null)
-		{
-			final Properties properties = new Properties();
-			properties.put("generator-settings", Objects.toString(creator.generatorSettings()));
-			properties.put("level-seed", Objects.toString(creator.seed()));
-			properties.put("generate-structures", Objects.toString(creator.generateStructures()));
-			properties.put("level-type", Objects.toString(creator.type().getName()));
-			GeneratorSettings generatorsettings = GeneratorSettings.a((Properties) properties);
-			@SuppressWarnings("deprecation")
-			final WorldSettings worldSettings = new WorldSettings(name, EnumGamemode.getById(server.getDefaultGameMode().getValue()), hardcore, EnumDifficulty.EASY, false, new GameRules(), console.datapackconfiguration);
-			worlddata = new WorldDataServer(worldSettings, generatorsettings, Lifecycle.stable());
-		}
-		worlddata.checkName(name);
-		worlddata.a(console.getServerModName(), console.getModded().isPresent());
-		final long j = BiomeManager.a(creator.seed());
-		final List<MobSpawner> list = (List<MobSpawner>) ImmutableList.of((MobSpawner) new MobSpawnerPhantom(), (MobSpawner) new MobSpawnerPatrol(), (MobSpawner) new MobSpawnerCat(), (MobSpawner) new VillageSiege(), (MobSpawner) new MobSpawnerTrader((IWorldDataServer) worlddata));
-		RegistryMaterials registrymaterials = worlddata.getGeneratorSettings().e();
-		final WorldDimension worlddimension = (WorldDimension) registrymaterials.a((ResourceKey) actualDimension);
-		DimensionManager dimensionmanager;
-		net.minecraft.server.v1_16_R1.ChunkGenerator chunkgenerator;
-
-		if(worlddimension == null)
-		{
-			dimensionmanager = DimensionManager.a();
-			chunkgenerator = GeneratorSettings.a((long) new Random().nextLong());
-		}
-
-		else
-		{
-			dimensionmanager = worlddimension.b();
-			chunkgenerator = worlddimension.c();
-		}
-
-		ResourceKey typeKey = (ResourceKey) console.f.a().c(dimensionmanager).orElseThrow(() -> new IllegalStateException("Unregistered dimension type: " + (Object) dimensionmanager));
-		ResourceKey worldKey = ResourceKey.a((ResourceKey) IRegistry.ae, (MinecraftKey) new MinecraftKey(name.toLowerCase(Locale.ENGLISH)));
-
-		//@builder
-        WorldServer internal = new WorldServer(
-        		(MinecraftServer)console, 
-        		console.executorService, 
-        		worldSession, 
-        		(IWorldDataServer)worlddata, 
-        		worldKey, 
-        		typeKey, 
-        		dimensionmanager, 
-        		server.getServer().worldLoadListenerFactory.create(11), 
-        		chunkgenerator, 
-        		worlddata.getGeneratorSettings().isDebugWorld(), 
-        		j, 
-        		(List)(creator.environment() == World.Environment.NORMAL ? list : ImmutableList.of()),
-        		true,
-        		creator.environment(), 
-        		generator);
-        
-		//@done
-		if(!worlds.containsKey(name.toLowerCase(Locale.ENGLISH)))
-		{
-			try
-			{
-				internal.close();
-			}
-
-			catch(IOException e)
-			{
-				e.printStackTrace();
-			}
-
-			return null;
-		}
-		console.initWorld(internal, (IWorldDataServer) worlddata, (SaveData) worlddata, worlddata.getGeneratorSettings());
-		internal.setSpawnFlags(true, true);
-		console.worldServer.put(internal.getDimensionKey(), internal);
-		server.getPluginManager().callEvent((Event) new WorldInitEvent((World) internal.getWorld()));
-		if(loadSpawn)
-		{
-			server.getServer().loadSpawn(internal.getChunkProvider().playerChunkMap.worldLoadListener, internal);
-		}
-
-		else
-		{
-			MinecraftServer.LOGGER.info("Preparing start region for dimens... Oh wait, We don't do that here anymore.");
-		}
-
-		server.getPluginManager().callEvent((Event) new WorldLoadEvent((World) internal.getWorld()));
-		return (World) internal.getWorld();
-	}
-}

src/main/java/com/volmit/iris/gen/nms/v16_2/NMSBinding16_2.java

@@ -0,0 +1,16 @@
+package com.volmit.iris.gen.nms.v16_2;
+
+import com.volmit.iris.gen.atomics.AtomicCache;
+import com.volmit.iris.gen.nms.INMSBinding;
+import com.volmit.iris.gen.nms.INMSCreator;
+
+public class NMSBinding16_2 implements INMSBinding
+{
+	private final AtomicCache<INMSCreator> creator = new AtomicCache<>();
+
+	@Override
+	public INMSCreator getCreator()
+	{
+		return creator.aquire(() -> new NMSCreator16_2());
+	}
+}

src/main/java/com/volmit/iris/gen/nms/v16_2/NMSChunkGenerator16_2.java

@@ -0,0 +1,981 @@
+package com.volmit.iris.gen.nms.v16_2;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.function.Predicate;
+import java.util.function.Supplier;
+import java.util.stream.IntStream;
+
+import javax.annotation.Nullable;
+
+import org.bukkit.Material;
+import org.bukkit.block.Biome;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.craftbukkit.v1_16_R2.block.CraftBlock;
+import org.bukkit.craftbukkit.v1_16_R2.block.data.CraftBlockData;
+import org.bukkit.craftbukkit.v1_16_R2.util.CraftMagicNumbers;
+import org.bukkit.generator.ChunkGenerator.BiomeGrid;
+import org.bukkit.generator.ChunkGenerator.ChunkData;
+import org.bukkit.material.MaterialData;
+
+import com.mojang.serialization.Codec;
+import com.volmit.iris.gen.IrisTerrainProvider;
+import com.volmit.iris.gen.provisions.ProvisionBukkit;
+import com.volmit.iris.gen.scaffold.GeneratedChunk;
+import com.volmit.iris.gen.scaffold.Provisioned;
+import com.volmit.iris.util.O;
+import com.volmit.iris.util.V;
+
+import it.unimi.dsi.fastutil.objects.ObjectArrayList;
+import it.unimi.dsi.fastutil.objects.ObjectList;
+import it.unimi.dsi.fastutil.objects.ObjectListIterator;
+import net.minecraft.server.v1_16_R2.BiomeBase;
+import net.minecraft.server.v1_16_R2.BiomeManager;
+import net.minecraft.server.v1_16_R2.BiomeSettingsGeneration;
+import net.minecraft.server.v1_16_R2.BiomeSettingsMobs;
+import net.minecraft.server.v1_16_R2.Block;
+import net.minecraft.server.v1_16_R2.BlockColumn;
+import net.minecraft.server.v1_16_R2.BlockPosition;
+import net.minecraft.server.v1_16_R2.Blocks;
+import net.minecraft.server.v1_16_R2.ChunkCoordIntPair;
+import net.minecraft.server.v1_16_R2.ChunkGenerator;
+import net.minecraft.server.v1_16_R2.ChunkGeneratorAbstract;
+import net.minecraft.server.v1_16_R2.CrashReport;
+import net.minecraft.server.v1_16_R2.CrashReportSystemDetails;
+import net.minecraft.server.v1_16_R2.DefinedStructureManager;
+import net.minecraft.server.v1_16_R2.EnumCreatureType;
+import net.minecraft.server.v1_16_R2.GeneratorAccess;
+import net.minecraft.server.v1_16_R2.GeneratorAccessSeed;
+import net.minecraft.server.v1_16_R2.GeneratorSettingBase;
+import net.minecraft.server.v1_16_R2.HeightMap;
+import net.minecraft.server.v1_16_R2.IBlockAccess;
+import net.minecraft.server.v1_16_R2.IBlockData;
+import net.minecraft.server.v1_16_R2.IChunkAccess;
+import net.minecraft.server.v1_16_R2.IRegistry;
+import net.minecraft.server.v1_16_R2.IRegistryCustom;
+import net.minecraft.server.v1_16_R2.IStructureAccess;
+import net.minecraft.server.v1_16_R2.MathHelper;
+import net.minecraft.server.v1_16_R2.NoiseGenerator;
+import net.minecraft.server.v1_16_R2.NoiseGenerator3;
+import net.minecraft.server.v1_16_R2.NoiseGenerator3Handler;
+import net.minecraft.server.v1_16_R2.NoiseGeneratorOctaves;
+import net.minecraft.server.v1_16_R2.NoiseGeneratorPerlin;
+import net.minecraft.server.v1_16_R2.NoiseSettings;
+import net.minecraft.server.v1_16_R2.PacketDebug;
+import net.minecraft.server.v1_16_R2.ProtoChunk;
+import net.minecraft.server.v1_16_R2.RegionLimitedWorldAccess;
+import net.minecraft.server.v1_16_R2.ReportedException;
+import net.minecraft.server.v1_16_R2.ResourceKey;
+import net.minecraft.server.v1_16_R2.SectionPosition;
+import net.minecraft.server.v1_16_R2.SeededRandom;
+import net.minecraft.server.v1_16_R2.SpawnerCreature;
+import net.minecraft.server.v1_16_R2.StructureBoundingBox;
+import net.minecraft.server.v1_16_R2.StructureFeature;
+import net.minecraft.server.v1_16_R2.StructureFeatures;
+import net.minecraft.server.v1_16_R2.StructureGenerator;
+import net.minecraft.server.v1_16_R2.StructureManager;
+import net.minecraft.server.v1_16_R2.StructurePiece;
+import net.minecraft.server.v1_16_R2.StructureSettingsFeature;
+import net.minecraft.server.v1_16_R2.StructureStart;
+import net.minecraft.server.v1_16_R2.SystemUtils;
+import net.minecraft.server.v1_16_R2.WorldChunkManager;
+import net.minecraft.server.v1_16_R2.WorldChunkManagerTheEnd;
+import net.minecraft.server.v1_16_R2.WorldGenFeatureConfigured;
+import net.minecraft.server.v1_16_R2.WorldGenFeatureDefinedStructureJigsawJunction;
+import net.minecraft.server.v1_16_R2.WorldGenFeatureDefinedStructurePoolTemplate;
+import net.minecraft.server.v1_16_R2.WorldGenFeaturePillagerOutpostPoolPiece;
+import net.minecraft.server.v1_16_R2.WorldGenStage;
+import net.minecraft.server.v1_16_R2.WorldServer;
+
+public class NMSChunkGenerator16_2 extends ChunkGenerator
+{
+	private static final float[] i = SystemUtils.a((new float[13824]), (afloat) ->
+	{ // CraftBukkit - decompile error
+		for(int i = 0; i < 24; ++i)
+		{
+			for(int j = 0; j < 24; ++j)
+			{
+				for(int k = 0; k < 24; ++k)
+				{
+					afloat[i * 24 * 24 + j * 24 + k] = (float) b(j - 12, k - 12, i - 12);
+				}
+			}
+		}
+
+	});
+	private static final float[] j = SystemUtils.a((new float[25]), (afloat) ->
+	{ // CraftBukkit - decompile error
+		for(int i = -2; i <= 2; ++i)
+		{
+			for(int j = -2; j <= 2; ++j)
+			{
+				float f = 10.0F / MathHelper.c((float) (i * i + j * j) + 0.2F);
+
+				afloat[i + 2 + (j + 2) * 5] = f;
+			}
+		}
+
+	});
+	private static final IBlockData k = Blocks.AIR.getBlockData();
+	private final Provisioned provisioned;
+	private final int maxHeight;
+	private final int m;
+	private final int n;
+	private final int xzSize;
+	private final int p;
+	protected final SeededRandom e;
+	private final NoiseGeneratorOctaves q;
+	private final NoiseGeneratorOctaves r;
+	private final NoiseGeneratorOctaves s;
+	private final NoiseGenerator t;
+	private final NoiseGeneratorOctaves u;
+	private final NoiseGenerator3Handler v;
+	protected final IBlockData f;
+	protected final IBlockData g;
+	private final long w;
+	protected final Supplier<GeneratorSettingBase> h;
+	private final O<WorldServer> ws;
+
+	public NMSChunkGenerator16_2(Provisioned p, O<WorldServer> ws, WorldChunkManager worldchunkmanager, long i, Supplier<GeneratorSettingBase> supplier)
+	{
+		this(p, ws, worldchunkmanager, worldchunkmanager, i, supplier);
+	}
+
+	private NMSChunkGenerator16_2(Provisioned p, O<WorldServer> ws, WorldChunkManager worldchunkmanager, WorldChunkManager worldchunkmanager1, long i, Supplier<GeneratorSettingBase> supplier)
+	{
+		super(worldchunkmanager, worldchunkmanager1, supplier.get().a(), i);
+		this.provisioned = p;
+		this.ws = ws;
+		this.w = i;
+		GeneratorSettingBase generatorsettingbase = supplier.get();
+
+		this.h = supplier;
+		NoiseSettings noisesettings = generatorsettingbase.b();
+
+		this.maxHeight = noisesettings.f() * 4;
+		this.m = noisesettings.e() * 4;
+		this.f = generatorsettingbase.c();
+		this.g = generatorsettingbase.d();
+		this.n = 16 / this.m;
+		this.xzSize = noisesettings.a() / this.maxHeight;
+		this.p = 16 / this.m;
+		this.e = new SeededRandom(i);
+		this.q = new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-15, 0));
+		this.r = new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-15, 0));
+		this.s = new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-7, 0));
+		this.t = (NoiseGenerator) (noisesettings.i() ? new NoiseGenerator3(this.e, IntStream.rangeClosed(-3, 0)) : new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-3, 0)));
+		this.e.a(2620);
+		this.u = new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-15, 0));
+		if(noisesettings.k())
+		{
+			SeededRandom seededrandom = new SeededRandom(i);
+
+			seededrandom.a(17292);
+			this.v = new NoiseGenerator3Handler(seededrandom);
+		}
+		else
+		{
+			this.v = null;
+		}
+	}
+
+	public int getSpawnHeight()
+	{
+		return getSeaLevel() + 8;
+	}
+
+	public WorldChunkManager getWorldChunkManager()
+	{
+		return this.c;
+	}
+
+	public int getGenerationDepth()
+	{
+		return 256;
+	}
+
+	public void doCarving(long i, BiomeManager biomemanager, IChunkAccess ichunkaccess, WorldGenStage.Features worldgenstage_features)
+	{
+		if(((IrisTerrainProvider) provisioned.getProvider()).getDimension().isVanillaCaves())
+		{
+			super.doCarving(i, biomemanager, ichunkaccess, worldgenstage_features);
+		}
+	}
+
+	@Override
+	protected Codec<? extends ChunkGenerator> a()
+	{
+		return ChunkGeneratorAbstract.d;
+	}
+
+	public boolean a(long i, ResourceKey<GeneratorSettingBase> resourcekey)
+	{
+		return this.w == i && this.h.get().a(resourcekey);
+	}
+
+	private double a(int i, int j, int k, double d0, double d1, double d2, double d3)
+	{
+		double d4 = 0.0D;
+		double d5 = 0.0D;
+		double d6 = 0.0D;
+		double d7 = 1.0D;
+
+		for(int l = 0; l < 16; ++l)
+		{
+			double d8 = NoiseGeneratorOctaves.a((double) i * d0 * d7);
+			double d9 = NoiseGeneratorOctaves.a((double) j * d1 * d7);
+			double d10 = NoiseGeneratorOctaves.a((double) k * d0 * d7);
+			double d11 = d1 * d7;
+			NoiseGeneratorPerlin noisegeneratorperlin = this.q.a(l);
+
+			if(noisegeneratorperlin != null)
+			{
+				d4 += noisegeneratorperlin.a(d8, d9, d10, d11, (double) j * d11) / d7;
+			}
+
+			NoiseGeneratorPerlin noisegeneratorperlin1 = this.r.a(l);
+
+			if(noisegeneratorperlin1 != null)
+			{
+				d5 += noisegeneratorperlin1.a(d8, d9, d10, d11, (double) j * d11) / d7;
+			}
+
+			if(l < 8)
+			{
+				NoiseGeneratorPerlin noisegeneratorperlin2 = this.s.a(l);
+
+				if(noisegeneratorperlin2 != null)
+				{
+					d6 += noisegeneratorperlin2.a(NoiseGeneratorOctaves.a((double) i * d2 * d7), NoiseGeneratorOctaves.a((double) j * d3 * d7), NoiseGeneratorOctaves.a((double) k * d2 * d7), d3 * d7, (double) j * d3 * d7) / d7;
+				}
+			}
+
+			d7 /= 2.0D;
+		}
+
+		return MathHelper.b(d4 / 512.0D, d5 / 512.0D, (d6 / 10.0D + 1.0D) / 2.0D);
+	}
+
+	private double[] getFilledNoiseArray(int x, int z)
+	{
+		double[] noiseArray = new double[this.xzSize + 1];
+
+		this.fillNoiseArray(noiseArray, x, z);
+		return noiseArray;
+	}
+
+	private void fillNoiseArray(double[] noiseArray, int x, int z)
+	{
+		NoiseSettings noisesettings = this.h.get().b();
+		double d0;
+		double d1;
+		double d2;
+		double d3;
+
+		if(this.v != null)
+		{
+			d0 = (double) (WorldChunkManagerTheEnd.a(this.v, x, z) - 8.0F);
+			if(d0 > 0.0D)
+			{
+				d1 = 0.25D;
+			}
+			else
+			{
+				d1 = 1.0D;
+			}
+		}
+		else
+		{
+			float f = 0.0F;
+			float f1 = 0.0F;
+			float f2 = 0.0F;
+			int k = this.getSeaLevel();
+			float f3 = this.b.getBiome(x, k, z).h();
+
+			for(int l = -2; l <= 2; ++l)
+			{
+				for(int i1 = -2; i1 <= 2; ++i1)
+				{
+					BiomeBase biomebase = this.b.getBiome(x + l, k, z + i1);
+					float f4 = biomebase.h();
+					float f5 = biomebase.j();
+					float f6;
+					float f7;
+
+					if(noisesettings.l() && f4 > 0.0F)
+					{
+						f6 = 1.0F + f4 * 2.0F;
+						f7 = 1.0F + f5 * 4.0F;
+					}
+					else
+					{
+						f6 = f4;
+						f7 = f5;
+					}
+					// CraftBukkit start - fix MC-54738
+					if(f6 < -1.8F)
+					{
+						f6 = -1.8F;
+					}
+					// CraftBukkit end
+
+					float f8 = f4 > f3 ? 0.5F : 1.0F;
+					float f9 = f8 * NMSChunkGenerator16_2.j[l + 2 + (i1 + 2) * 5] / (f6 + 2.0F);
+
+					f += f7 * f9;
+					f1 += f6 * f9;
+					f2 += f9;
+				}
+			}
+
+			float f10 = f1 / f2;
+			float f11 = f / f2;
+
+			d2 = (double) (f10 * 0.5F - 0.125F);
+			d3 = (double) (f11 * 0.9F + 0.1F);
+			d0 = d2 * 0.265625D;
+			d1 = 96.0D / d3;
+		}
+
+		double d4 = 684.412D * noisesettings.b().a();
+		double d5 = 684.412D * noisesettings.b().b();
+		double d6 = d4 / noisesettings.b().c();
+		double d7 = d5 / noisesettings.b().d();
+
+		d2 = (double) noisesettings.c().a();
+		d3 = (double) noisesettings.c().b();
+		double d8 = (double) noisesettings.c().c();
+		double d9 = (double) noisesettings.d().a();
+		double d10 = (double) noisesettings.d().b();
+		double d11 = (double) noisesettings.d().c();
+		double d12 = noisesettings.j() ? this.c(x, z) : 0.0D;
+		double d13 = noisesettings.g();
+		double d14 = noisesettings.h();
+
+		for(int j1 = 0; j1 <= this.xzSize; ++j1)
+		{
+			double d15 = this.a(x, j1, z, d4, d5, d6, d7);
+			double d16 = 1.0D - (double) j1 * 2.0D / (double) this.xzSize + d12;
+			double d17 = d16 * d13 + d14;
+			double d18 = (d17 + d0) * d1;
+
+			if(d18 > 0.0D)
+			{
+				d15 += d18 * 4.0D;
+			}
+			else
+			{
+				d15 += d18;
+			}
+
+			double d19;
+
+			if(d3 > 0.0D)
+			{
+				d19 = ((double) (this.xzSize - j1) - d8) / d3;
+				d15 = MathHelper.b(d2, d15, d19);
+			}
+
+			if(d10 > 0.0D)
+			{
+				d19 = ((double) j1 - d11) / d10;
+				d15 = MathHelper.b(d9, d15, d19);
+			}
+
+			noiseArray[j1] = d15;
+		}
+
+	}
+
+	private double c(int x, int z)
+	{
+		double noiseOrSomething = this.u.a((double) (x * 200), 10.0D, (double) (z * 200), 1.0D, 0.0D, true);
+		double noiseOrSomething2;
+
+		if(noiseOrSomething < 0.0D)
+		{
+			noiseOrSomething2 = -noiseOrSomething * 0.3D;
+		}
+		else
+		{
+			noiseOrSomething2 = noiseOrSomething;
+		}
+
+		double result = noiseOrSomething2 * 24.575625D - 2.0D;
+
+		return result < 0.0D ? result * 0.009486607142857142D : Math.min(result, 1.0D) * 0.006640625D;
+	}
+
+	@Override
+	public int getBaseHeight(int i, int j, HeightMap.Type heightmap_type)
+	{
+		return this.a(i, j, (IBlockData[]) null, heightmap_type.e());
+	}
+
+	@Override
+	public IBlockAccess a(int x, int z)
+	{
+		IBlockData[] aiblockdata = new IBlockData[this.xzSize * this.maxHeight];
+
+		this.a(x, z, aiblockdata, (Predicate<IBlockData>) null);
+		return new BlockColumn(aiblockdata);
+	}
+
+	private int a(int i, int j, @Nullable IBlockData[] aiblockdata, @Nullable Predicate<IBlockData> predicate)
+	{
+		int k = Math.floorDiv(i, this.m);
+		int l = Math.floorDiv(j, this.m);
+		int i1 = Math.floorMod(i, this.m);
+		int j1 = Math.floorMod(j, this.m);
+		double d0 = (double) i1 / (double) this.m;
+		double d1 = (double) j1 / (double) this.m;
+		double[][] noiseArrayNeighbors = new double[][] {this.getFilledNoiseArray(k, l), this.getFilledNoiseArray(k, l + 1), this.getFilledNoiseArray(k + 1, l), this.getFilledNoiseArray(k + 1, l + 1)};
+
+		for(int k1 = this.xzSize - 1; k1 >= 0; --k1)
+		{
+			double d2 = noiseArrayNeighbors[0][k1];
+			double d3 = noiseArrayNeighbors[1][k1];
+			double d4 = noiseArrayNeighbors[2][k1];
+			double d5 = noiseArrayNeighbors[3][k1];
+			double d6 = noiseArrayNeighbors[0][k1 + 1];
+			double d7 = noiseArrayNeighbors[1][k1 + 1];
+			double d8 = noiseArrayNeighbors[2][k1 + 1];
+			double d9 = noiseArrayNeighbors[3][k1 + 1];
+
+			for(int l1 = this.maxHeight - 1; l1 >= 0; --l1)
+			{
+				double d10 = (double) l1 / (double) this.maxHeight;
+				double d11 = MathHelper.a(d10, d0, d1, d2, d6, d4, d8, d3, d7, d5, d9);
+				int i2 = k1 * this.maxHeight + l1;
+				IBlockData iblockdata = this.a(d11, i2);
+
+				if(aiblockdata != null)
+				{
+					aiblockdata[i2] = iblockdata;
+				}
+
+				if(predicate != null && predicate.test(iblockdata))
+				{
+					return i2 + 1;
+				}
+			}
+		}
+
+		return 0;
+	}
+
+	protected IBlockData a(double d0, int i)
+	{
+		IBlockData iblockdata;
+
+		if(d0 > 0.0D)
+		{
+			iblockdata = this.f;
+		}
+		else if(i < this.getSeaLevel())
+		{
+			iblockdata = this.g;
+		}
+		else
+		{
+			iblockdata = NMSChunkGenerator16_2.k;
+		}
+
+		return iblockdata;
+	}
+
+	@Override
+	public void buildBase(RegionLimitedWorldAccess regionlimitedworldaccess, IChunkAccess ichunkaccess)
+	{
+
+	}
+
+	@Override
+	public void buildNoise(GeneratorAccess generatoraccess, StructureManager structuremanager, IChunkAccess ichunkaccess)
+	{
+		ObjectList<StructurePiece> objectlist = new ObjectArrayList<StructurePiece>(10);
+		ObjectList<WorldGenFeatureDefinedStructureJigsawJunction> objectlist1 = new ObjectArrayList<WorldGenFeatureDefinedStructureJigsawJunction>(32);
+		ChunkCoordIntPair chunkcoordintpair = ichunkaccess.getPos();
+		int i = chunkcoordintpair.x;
+		int j = chunkcoordintpair.z;
+
+		if(((IrisTerrainProvider) provisioned.getProvider()).shouldGenerateVanillaStructures())
+		{
+			int k = i << 4;
+			int l = j << 4;
+			Iterator<?> iterator = StructureGenerator.t.iterator();
+
+			while(iterator.hasNext())
+			{
+				StructureGenerator<?> structuregenerator = (StructureGenerator<?>) iterator.next();
+
+				structuremanager.a(SectionPosition.a(chunkcoordintpair, 0), structuregenerator).forEach((structurestart) ->
+				{
+					Iterator<?> iterator1 = structurestart.d().iterator();
+
+					while(iterator1.hasNext())
+					{
+						StructurePiece structurepiece = (StructurePiece) iterator1.next();
+
+						if(structurepiece.a(chunkcoordintpair, 12))
+						{
+							if(structurepiece instanceof WorldGenFeaturePillagerOutpostPoolPiece)
+							{
+								WorldGenFeaturePillagerOutpostPoolPiece worldgenfeaturepillageroutpostpoolpiece = (WorldGenFeaturePillagerOutpostPoolPiece) structurepiece;
+								WorldGenFeatureDefinedStructurePoolTemplate.Matching worldgenfeaturedefinedstructurepooltemplate_matching = worldgenfeaturepillageroutpostpoolpiece.b().e();
+
+								if(worldgenfeaturedefinedstructurepooltemplate_matching == WorldGenFeatureDefinedStructurePoolTemplate.Matching.RIGID)
+								{
+									objectlist.add(worldgenfeaturepillageroutpostpoolpiece);
+								}
+
+								Iterator<?> iterator2 = worldgenfeaturepillageroutpostpoolpiece.e().iterator();
+
+								while(iterator2.hasNext())
+								{
+									WorldGenFeatureDefinedStructureJigsawJunction worldgenfeaturedefinedstructurejigsawjunction = (WorldGenFeatureDefinedStructureJigsawJunction) iterator2.next();
+									int i1 = worldgenfeaturedefinedstructurejigsawjunction.a();
+									int j1 = worldgenfeaturedefinedstructurejigsawjunction.c();
+
+									if(i1 > k - 12 && j1 > l - 12 && i1 < k + 15 + 12 && j1 < l + 15 + 12)
+									{
+										objectlist1.add(worldgenfeaturedefinedstructurejigsawjunction);
+									}
+								}
+							}
+							else
+							{
+								objectlist.add(structurepiece);
+							}
+						}
+					}
+				});
+			}
+		}
+
+		ProtoChunk protochunk = (ProtoChunk) ichunkaccess;
+		HeightMap heightmap = protochunk.a(HeightMap.Type.OCEAN_FLOOR_WG);
+		HeightMap heightmap1 = protochunk.a(HeightMap.Type.WORLD_SURFACE_WG);
+		BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
+		ObjectListIterator<StructurePiece> objectlistiterator = objectlist.iterator();
+		ObjectListIterator<WorldGenFeatureDefinedStructureJigsawJunction> objectlistiterator1 = objectlist1.iterator();
+		GeneratedChunk gc = ((ProvisionBukkit) provisioned).generateNMSChunkData(ws.get().getWorld(), new Random(i + j), i, j, new ChunkData()
+		{
+			public int getMaxHeight()
+			{
+				return 256;
+			}
+
+			public void setBlock(int x, int y, int z, Material material)
+			{
+				this.setBlock(x, y, z, material.createBlockData());
+			}
+
+			@SuppressWarnings("deprecation")
+			public void setBlock(int x, int y, int z, MaterialData material)
+			{
+				this.setBlock(x, y, z, CraftMagicNumbers.getBlock((MaterialData) material));
+			}
+
+			public void setBlock(int x, int y, int z, BlockData blockData)
+			{
+				this.setBlock(x, y, z, ((CraftBlockData) blockData).getState());
+			}
+
+			public void setRegion(int xMin, int yMin, int zMin, int xMax, int yMax, int zMax, Material material)
+			{
+				this.setRegion(xMin, yMin, zMin, xMax, yMax, zMax, material.createBlockData());
+			}
+
+			@SuppressWarnings("deprecation")
+			public void setRegion(int xMin, int yMin, int zMin, int xMax, int yMax, int zMax, MaterialData material)
+			{
+				this.setRegion(xMin, yMin, zMin, xMax, yMax, zMax, CraftMagicNumbers.getBlock((MaterialData) material));
+			}
+
+			public void setRegion(int xMin, int yMin, int zMin, int xMax, int yMax, int zMax, BlockData blockData)
+			{
+				this.setRegion(xMin, yMin, zMin, xMax, yMax, zMax, ((CraftBlockData) blockData).getState());
+			}
+
+			public Material getType(int x, int y, int z)
+			{
+				return CraftMagicNumbers.getMaterial((Block) this.getTypeId(x, y, z).getBlock());
+			}
+
+			@SuppressWarnings("deprecation")
+			public MaterialData getTypeAndData(int x, int y, int z)
+			{
+				return CraftMagicNumbers.getMaterial((IBlockData) this.getTypeId(x, y, z));
+			}
+
+			public BlockData getBlockData(int x, int y, int z)
+			{
+				return CraftBlockData.fromData((IBlockData) this.getTypeId(x, y, z));
+			}
+
+			public void setRegion(int xMin, int yMin, int zMin, int xMax, int yMax, int zMax, IBlockData type)
+			{
+				if(xMin > 15 || yMin >= getMaxHeight() || zMin > 15)
+				{
+					return;
+				}
+				if(xMin < 0)
+				{
+					xMin = 0;
+				}
+				if(yMin < 0)
+				{
+					yMin = 0;
+				}
+				if(zMin < 0)
+				{
+					zMin = 0;
+				}
+				if(xMax > 16)
+				{
+					xMax = 16;
+				}
+				if(yMax > getMaxHeight())
+				{
+					yMax = getMaxHeight();
+				}
+				if(zMax > 16)
+				{
+					zMax = 16;
+				}
+				if(xMin >= xMax || yMin >= yMax || zMin >= zMax)
+				{
+					return;
+				}
+				int y = yMin;
+				while(y < yMax)
+				{
+					int x = xMin;
+					while(x < xMax)
+					{
+						int z = zMin;
+						while(z < zMax)
+						{
+							protochunk.setType(new BlockPosition(x, y, z), type, false);
+							++z;
+						}
+						++x;
+					}
+					++y;
+				}
+			}
+
+			public IBlockData getTypeId(int x, int y, int z)
+			{
+				if(x != (x & 15) || y < 0 || y >= getMaxHeight() || z != (z & 15))
+				{
+					return Blocks.AIR.getBlockData();
+				}
+				return protochunk.getType(new BlockPosition(x, y, z));
+			}
+
+			public byte getData(int x, int y, int z)
+			{
+				return CraftMagicNumbers.toLegacyData((IBlockData) this.getTypeId(x, y, z));
+			}
+
+			private void setBlock(int x, int y, int z, IBlockData type)
+			{
+				if(x != (x & 15) || y < 0 || y >= getMaxHeight() || z != (z & 15))
+				{
+					return;
+				}
+
+				protochunk.setType(new BlockPosition(x, y, z), type, false);
+
+				if(type.getBlock().isTileEntity())
+				{
+					// if (this.tiles == null) {
+					// this.tiles = new HashSet<BlockPosition>();
+					// }
+					// this.tiles.add(new BlockPosition(x, y, z));
+				}
+			}
+		}, new BiomeGrid()
+		{
+			@Override
+			public void setBiome(int x, int y, int z, Biome bio)
+			{
+				protochunk.getBiomeIndex().setBiome(x, y, z, CraftBlock.biomeToBiomeBase(ws.get().r().b(IRegistry.ay), bio));
+			}
+
+			@Override
+			public void setBiome(int x, int z, Biome bio)
+			{
+				protochunk.getBiomeIndex().setBiome(x, 0, z, CraftBlock.biomeToBiomeBase(ws.get().r().b(IRegistry.ay), bio));
+			}
+
+			@Override
+			public Biome getBiome(int x, int y, int z)
+			{
+				return CraftBlock.biomeBaseToBiome(ws.get().r().b(IRegistry.ay), protochunk.getBiomeIndex().getBiome(x, y, z));
+			}
+
+			@Override
+			public Biome getBiome(int x, int z)
+			{
+				return CraftBlock.biomeBaseToBiome(ws.get().r().b(IRegistry.ay), protochunk.getBiomeIndex().getBiome(x, 0, z));
+			}
+		});
+
+		for(int xx = 0; xx < 16; xx++)
+		{
+			for(int zz = 0; zz < 16; zz++)
+			{
+				int y = gc.getHeight().getHeight(xx, zz);
+				if(y < getSeaLevel())
+				{
+					heightmap.a(xx, y, zz, Blocks.STONE.getBlockData());
+				}
+				heightmap1.a(xx, Math.max(y, getSeaLevel()), zz, Blocks.STONE.getBlockData());
+			}
+		}
+	}
+
+	public void addDecorations(RegionLimitedWorldAccess regionlimitedworldaccess, StructureManager structuremanager)
+	{
+		if(((IrisTerrainProvider) provisioned.getProvider()).shouldGenerateVanillaStructures())
+		{
+			int i = regionlimitedworldaccess.a();
+			int j = regionlimitedworldaccess.b();
+			int k = i * 16;
+			int l = j * 16;
+			BlockPosition blockposition = new BlockPosition(k, 0, l);
+			BiomeBase biomebase = this.b.getBiome((i << 2) + 2, 2, (j << 2) + 2);
+			SeededRandom seededrandom = new SeededRandom();
+			long i1 = seededrandom.a(regionlimitedworldaccess.getSeed(), k, l);
+			try
+			{
+				a(biomebase, structuremanager, this, regionlimitedworldaccess, i1, seededrandom, blockposition);
+			}
+			catch(Exception exception)
+			{
+
+			}
+		}
+	}
+
+	public void a(BiomeBase bbase, StructureManager var0, ChunkGenerator var1, RegionLimitedWorldAccess var2, long var3, SeededRandom var5, BlockPosition var6)
+	{
+		if(!((IrisTerrainProvider) provisioned.getProvider()).shouldGenerateVanillaStructures())
+		{
+			return;
+		}
+
+		int stages = WorldGenStage.Decoration.values().length;
+		for(int stage = 0; stage < stages; ++stage)
+		{
+			WorldGenStage.Decoration st = WorldGenStage.Decoration.values()[stage];
+
+			if(st.equals(WorldGenStage.Decoration.LAKES))
+			{
+				continue;
+			}
+
+			if(st.equals(WorldGenStage.Decoration.LOCAL_MODIFICATIONS))
+			{
+				continue;
+			}
+
+			if(st.equals(WorldGenStage.Decoration.RAW_GENERATION))
+			{
+				continue;
+			}
+
+			if(st.equals(WorldGenStage.Decoration.TOP_LAYER_MODIFICATION))
+			{
+				continue;
+			}
+
+			if(st.equals(WorldGenStage.Decoration.UNDERGROUND_DECORATION))
+			{
+				continue;
+			}
+
+			if(st.equals(WorldGenStage.Decoration.UNDERGROUND_ORES))
+			{
+				continue;
+			}
+
+			if(st.equals(WorldGenStage.Decoration.VEGETAL_DECORATION))
+			{
+				continue;
+			}
+
+			StructureGenerator<?> var13;
+			int var10 = 0;
+			if(var0.a())
+			{
+				@SuppressWarnings("unchecked")
+				List<StructureGenerator<?>> structureGenerators = ((Map<Integer, List<StructureGenerator<?>>>) new V(bbase).get("g")).getOrDefault(stage, Collections.emptyList());
+				Iterator<StructureGenerator<?>> iterator = structureGenerators.iterator();
+				while(iterator.hasNext())
+				{
+					var13 = (StructureGenerator<?>) iterator.next();
+					var5.b(var3, var10, stage);
+					int var14 = var6.getX() >> 4;
+					int var15 = var6.getZ() >> 4;
+					int var16 = var14 << 4;
+					int var17 = var15 << 4;
+
+					try
+					{
+						var0.a(SectionPosition.a((BlockPosition) var6), var13).forEach(var8 -> var8.a((GeneratorAccessSeed) var2, var0, var1, (Random) var5, new StructureBoundingBox(var16, var17, var16 + 15, var17 + 15), new ChunkCoordIntPair(var14, var15)));
+					}
+					catch(Exception var18)
+					{
+
+					}
+
+					++var10;
+				}
+			}
+		}
+	}
+
+	private static double b(int i, int j, int k)
+	{
+		double d0 = (double) (i * i + k * k);
+		double d1 = (double) j + 0.5D;
+		double d2 = d1 * d1;
+		double d3 = Math.pow(2.718281828459045D, -(d2 / 16.0D + d0 / 16.0D));
+		double d4 = -d1 * MathHelper.i(d2 / 2.0D + d0 / 2.0D) / 2.0D;
+
+		return d4 * d3;
+	}
+
+	@Override
+	public int getSeaLevel()
+	{
+		return ((IrisTerrainProvider) provisioned.getProvider()).getFluidHeight();
+	}
+
+	@Override
+	public List<BiomeSettingsMobs.c> getMobsFor(BiomeBase biomebase, StructureManager structuremanager, EnumCreatureType enumcreaturetype, BlockPosition blockposition)
+	{
+		if(structuremanager.a(blockposition, true, StructureGenerator.SWAMP_HUT).e())
+		{
+			if(enumcreaturetype == EnumCreatureType.MONSTER)
+			{
+				return StructureGenerator.SWAMP_HUT.c();
+			}
+
+			if(enumcreaturetype == EnumCreatureType.CREATURE)
+			{
+				return StructureGenerator.SWAMP_HUT.j();
+			}
+		}
+
+		if(enumcreaturetype == EnumCreatureType.MONSTER)
+		{
+			if(structuremanager.a(blockposition, false, StructureGenerator.PILLAGER_OUTPOST).e())
+			{
+				return StructureGenerator.PILLAGER_OUTPOST.c();
+			}
+
+			if(structuremanager.a(blockposition, false, StructureGenerator.MONUMENT).e())
+			{
+				return StructureGenerator.MONUMENT.c();
+			}
+
+			if(structuremanager.a(blockposition, true, StructureGenerator.FORTRESS).e())
+			{
+				return StructureGenerator.FORTRESS.c();
+			}
+		}
+
+		return super.getMobsFor(biomebase, structuremanager, enumcreaturetype, blockposition);
+	}
+
+	@Override
+	public void addMobs(RegionLimitedWorldAccess regionlimitedworldaccess)
+	{
+		int i = regionlimitedworldaccess.a();
+		int j = regionlimitedworldaccess.b();
+		BiomeBase biomebase = regionlimitedworldaccess.getBiome((new ChunkCoordIntPair(i, j)).l());
+		SeededRandom seededrandom = new SeededRandom();
+		seededrandom.a(regionlimitedworldaccess.getSeed(), i << 4, j << 4);
+		SpawnerCreature.a(regionlimitedworldaccess, biomebase, i, j, seededrandom);
+	}
+
+	public void createStructures(IRegistryCustom iregistrycustom, StructureManager structuremanager, IChunkAccess ichunkaccess, DefinedStructureManager definedstructuremanager, long i)
+	{
+		ChunkCoordIntPair chunkcoordintpair = ichunkaccess.getPos();
+		BiomeBase biomebase = this.b.getBiome((chunkcoordintpair.x << 2) + 2, 0, (chunkcoordintpair.z << 2) + 2);
+		this.a(StructureFeatures.k, iregistrycustom, structuremanager, ichunkaccess, definedstructuremanager, i, chunkcoordintpair, biomebase);
+		for(Supplier supplier : biomebase.e().a())
+		{
+			StructureFeature structurefeature = (StructureFeature) supplier.get();
+			if(StructureFeature.c == StructureGenerator.STRONGHOLD)
+			{
+				StructureFeature structureFeature = structurefeature;
+				synchronized(structureFeature)
+				{
+					this.a(structurefeature, iregistrycustom, structuremanager, ichunkaccess, definedstructuremanager, i, chunkcoordintpair, biomebase);
+					continue;
+				}
+			}
+			this.a(structurefeature, iregistrycustom, structuremanager, ichunkaccess, definedstructuremanager, i, chunkcoordintpair, biomebase);
+		}
+	}
+
+	private void a(StructureFeature<?, ?> structurefeature, IRegistryCustom iregistrycustom, StructureManager structuremanager, IChunkAccess ichunkaccess, DefinedStructureManager definedstructuremanager, long i, ChunkCoordIntPair chunkcoordintpair, BiomeBase biomebase)
+	{
+		StructureStart structurestart = structuremanager.a(SectionPosition.a((ChunkCoordIntPair) ichunkaccess.getPos(), (int) 0), structurefeature.d, (IStructureAccess) ichunkaccess);
+		int j = structurestart != null ? structurestart.j() : 0;
+		StructureSettingsFeature structuresettingsfeature = getSettings().a(structurefeature.d);
+		if(structuresettingsfeature != null)
+		{
+			StructureStart structurestart1 = structurefeature.a(iregistrycustom, this, this.b, definedstructuremanager, i, chunkcoordintpair, biomebase, j, structuresettingsfeature);
+			structuremanager.a(SectionPosition.a((ChunkCoordIntPair) ichunkaccess.getPos(), (int) 0), structurefeature.d, structurestart1, (IStructureAccess) ichunkaccess);
+		}
+	}
+
+	public void storeStructures(GeneratorAccessSeed generatoraccessseed, StructureManager structuremanager, IChunkAccess ichunkaccess)
+	{
+		boolean flag = true;
+		int i = ichunkaccess.getPos().x;
+		int j = ichunkaccess.getPos().z;
+		int k = i << 4;
+		int l = j << 4;
+		SectionPosition sectionposition = SectionPosition.a((ChunkCoordIntPair) ichunkaccess.getPos(), (int) 0);
+		int i1 = i - 8;
+		while(i1 <= i + 8)
+		{
+			int j1 = j - 8;
+			while(j1 <= j + 8)
+			{
+				long k1 = ChunkCoordIntPair.pair((int) i1, (int) j1);
+				for(StructureStart structurestart : generatoraccessseed.getChunkAt(i1, j1).h().values())
+				{
+					try
+					{
+						if(structurestart == StructureStart.a || !structurestart.c().a(k, l, k + 15, l + 15))
+							continue;
+						structuremanager.a(sectionposition, structurestart.l(), k1, (IStructureAccess) ichunkaccess);
+						PacketDebug.a((GeneratorAccessSeed) generatoraccessseed, (StructureStart) structurestart);
+					}
+					catch(Exception exception)
+					{
+						CrashReport crashreport = CrashReport.a((Throwable) exception, (String) "Generating structure reference");
+						CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Structure");
+						crashreportsystemdetails.a("Name", () -> structurestart.l().i());
+						crashreportsystemdetails.a("Class", () -> structurestart.l().getClass().getCanonicalName());
+						throw new ReportedException(crashreport);
+					}
+				}
+				++j1;
+			}
+			++i1;
+		}
+	}
+}

src/main/java/com/volmit/iris/gen/nms/v16_2/NMSChunkGenerator16_2_BACKUP.java

@@ -0,0 +1,793 @@
+package com.volmit.iris.gen.nms.v16_2;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.Random;
+import java.util.function.Predicate;
+import java.util.function.Supplier;
+import java.util.stream.IntStream;
+
+import javax.annotation.Nullable;
+
+import com.mojang.serialization.Codec;
+import com.mojang.serialization.codecs.RecordCodecBuilder;
+
+import it.unimi.dsi.fastutil.objects.ObjectArrayList;
+import it.unimi.dsi.fastutil.objects.ObjectList;
+import it.unimi.dsi.fastutil.objects.ObjectListIterator;
+import net.minecraft.server.v1_16_R2.BiomeBase;
+import net.minecraft.server.v1_16_R2.BiomeSettingsMobs;
+import net.minecraft.server.v1_16_R2.BlockColumn;
+import net.minecraft.server.v1_16_R2.BlockPosition;
+import net.minecraft.server.v1_16_R2.Blocks;
+import net.minecraft.server.v1_16_R2.ChunkCoordIntPair;
+import net.minecraft.server.v1_16_R2.ChunkGenerator;
+import net.minecraft.server.v1_16_R2.ChunkGeneratorAbstract;
+import net.minecraft.server.v1_16_R2.ChunkSection;
+import net.minecraft.server.v1_16_R2.EnumCreatureType;
+import net.minecraft.server.v1_16_R2.GeneratorAccess;
+import net.minecraft.server.v1_16_R2.GeneratorSettingBase;
+import net.minecraft.server.v1_16_R2.HeightMap;
+import net.minecraft.server.v1_16_R2.IBlockAccess;
+import net.minecraft.server.v1_16_R2.IBlockData;
+import net.minecraft.server.v1_16_R2.IChunkAccess;
+import net.minecraft.server.v1_16_R2.MathHelper;
+import net.minecraft.server.v1_16_R2.NoiseGenerator;
+import net.minecraft.server.v1_16_R2.NoiseGenerator3;
+import net.minecraft.server.v1_16_R2.NoiseGenerator3Handler;
+import net.minecraft.server.v1_16_R2.NoiseGeneratorOctaves;
+import net.minecraft.server.v1_16_R2.NoiseGeneratorPerlin;
+import net.minecraft.server.v1_16_R2.NoiseSettings;
+import net.minecraft.server.v1_16_R2.ProtoChunk;
+import net.minecraft.server.v1_16_R2.RegionLimitedWorldAccess;
+import net.minecraft.server.v1_16_R2.ResourceKey;
+import net.minecraft.server.v1_16_R2.SectionPosition;
+import net.minecraft.server.v1_16_R2.SeededRandom;
+import net.minecraft.server.v1_16_R2.SpawnerCreature;
+import net.minecraft.server.v1_16_R2.StructureBoundingBox;
+import net.minecraft.server.v1_16_R2.StructureGenerator;
+import net.minecraft.server.v1_16_R2.StructureManager;
+import net.minecraft.server.v1_16_R2.StructurePiece;
+import net.minecraft.server.v1_16_R2.SystemUtils;
+import net.minecraft.server.v1_16_R2.WorldChunkManager;
+import net.minecraft.server.v1_16_R2.WorldChunkManagerTheEnd;
+import net.minecraft.server.v1_16_R2.WorldGenFeatureDefinedStructureJigsawJunction;
+import net.minecraft.server.v1_16_R2.WorldGenFeatureDefinedStructurePoolTemplate;
+import net.minecraft.server.v1_16_R2.WorldGenFeaturePillagerOutpostPoolPiece;
+
+public class NMSChunkGenerator16_2_BACKUP extends ChunkGenerator
+{
+	//@builder
+	public static final Codec<NMSChunkGenerator16_2_BACKUP> d = RecordCodecBuilder.create((instance) -> {
+        return instance.group(WorldChunkManager.a.fieldOf("biome_source").forGetter((chunkgeneratorabstract) -> {
+            return chunkgeneratorabstract.b;
+        }), Codec.LONG.fieldOf("seed").stable().forGetter((chunkgeneratorabstract) -> {
+            return chunkgeneratorabstract.w;
+        }), GeneratorSettingBase.b.fieldOf("settings").forGetter((chunkgeneratorabstract) -> {
+            return chunkgeneratorabstract.h;
+        })).apply(instance, instance.stable(NMSChunkGenerator16_2_BACKUP::new));
+    });
+	//@done
+
+	private static final float[] i = SystemUtils.a((new float[13824]), (afloat) ->
+	{ // CraftBukkit - decompile error
+		for(int i = 0; i < 24; ++i)
+		{
+			for(int j = 0; j < 24; ++j)
+			{
+				for(int k = 0; k < 24; ++k)
+				{
+					afloat[i * 24 * 24 + j * 24 + k] = (float) b(j - 12, k - 12, i - 12);
+				}
+			}
+		}
+
+	});
+	private static final float[] j = SystemUtils.a((new float[25]), (afloat) ->
+	{ // CraftBukkit - decompile error
+		for(int i = -2; i <= 2; ++i)
+		{
+			for(int j = -2; j <= 2; ++j)
+			{
+				float f = 10.0F / MathHelper.c((float) (i * i + j * j) + 0.2F);
+
+				afloat[i + 2 + (j + 2) * 5] = f;
+			}
+		}
+
+	});
+	private static final IBlockData k = Blocks.AIR.getBlockData();
+	private final int l;
+	private final int m;
+	private final int n;
+	private final int o;
+	private final int p;
+	protected final SeededRandom e;
+	private final NoiseGeneratorOctaves q;
+	private final NoiseGeneratorOctaves r;
+	private final NoiseGeneratorOctaves s;
+	private final NoiseGenerator t;
+	private final NoiseGeneratorOctaves u;
+	private final NoiseGenerator3Handler v;
+	protected final IBlockData f;
+	protected final IBlockData g;
+	private final long w;
+	protected final Supplier<GeneratorSettingBase> h;
+	private final int x;
+
+	public NMSChunkGenerator16_2_BACKUP(WorldChunkManager worldchunkmanager, long i, Supplier<GeneratorSettingBase> supplier)
+	{
+		this(worldchunkmanager, worldchunkmanager, i, supplier);
+	}
+
+	private NMSChunkGenerator16_2_BACKUP(WorldChunkManager worldchunkmanager, WorldChunkManager worldchunkmanager1, long i, Supplier<GeneratorSettingBase> supplier)
+	{
+		super(worldchunkmanager, worldchunkmanager1, supplier.get().a(), i);
+		this.w = i;
+		GeneratorSettingBase generatorsettingbase = supplier.get();
+
+		this.h = supplier;
+		NoiseSettings noisesettings = generatorsettingbase.b();
+
+		this.x = noisesettings.a();
+		this.l = noisesettings.f() * 4;
+		this.m = noisesettings.e() * 4;
+		this.f = generatorsettingbase.c();
+		this.g = generatorsettingbase.d();
+		this.n = 16 / this.m;
+		this.o = noisesettings.a() / this.l;
+		this.p = 16 / this.m;
+		this.e = new SeededRandom(i);
+		this.q = new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-15, 0));
+		this.r = new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-15, 0));
+		this.s = new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-7, 0));
+		this.t = (NoiseGenerator) (noisesettings.i() ? new NoiseGenerator3(this.e, IntStream.rangeClosed(-3, 0)) : new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-3, 0)));
+		this.e.a(2620);
+		this.u = new NoiseGeneratorOctaves(this.e, IntStream.rangeClosed(-15, 0));
+		if(noisesettings.k())
+		{
+			SeededRandom seededrandom = new SeededRandom(i);
+
+			seededrandom.a(17292);
+			this.v = new NoiseGenerator3Handler(seededrandom);
+		}
+		else
+		{
+			this.v = null;
+		}
+
+	}
+
+	@Override
+	protected Codec<? extends ChunkGenerator> a()
+	{
+		return ChunkGeneratorAbstract.d;
+	}
+
+	public boolean a(long i, ResourceKey<GeneratorSettingBase> resourcekey)
+	{
+		return this.w == i && this.h.get().a(resourcekey);
+	}
+
+	private double a(int i, int j, int k, double d0, double d1, double d2, double d3)
+	{
+		double d4 = 0.0D;
+		double d5 = 0.0D;
+		double d6 = 0.0D;
+		double d7 = 1.0D;
+
+		for(int l = 0; l < 16; ++l)
+		{
+			double d8 = NoiseGeneratorOctaves.a((double) i * d0 * d7);
+			double d9 = NoiseGeneratorOctaves.a((double) j * d1 * d7);
+			double d10 = NoiseGeneratorOctaves.a((double) k * d0 * d7);
+			double d11 = d1 * d7;
+			NoiseGeneratorPerlin noisegeneratorperlin = this.q.a(l);
+
+			if(noisegeneratorperlin != null)
+			{
+				d4 += noisegeneratorperlin.a(d8, d9, d10, d11, (double) j * d11) / d7;
+			}
+
+			NoiseGeneratorPerlin noisegeneratorperlin1 = this.r.a(l);
+
+			if(noisegeneratorperlin1 != null)
+			{
+				d5 += noisegeneratorperlin1.a(d8, d9, d10, d11, (double) j * d11) / d7;
+			}
+
+			if(l < 8)
+			{
+				NoiseGeneratorPerlin noisegeneratorperlin2 = this.s.a(l);
+
+				if(noisegeneratorperlin2 != null)
+				{
+					d6 += noisegeneratorperlin2.a(NoiseGeneratorOctaves.a((double) i * d2 * d7), NoiseGeneratorOctaves.a((double) j * d3 * d7), NoiseGeneratorOctaves.a((double) k * d2 * d7), d3 * d7, (double) j * d3 * d7) / d7;
+				}
+			}
+
+			d7 /= 2.0D;
+		}
+
+		return MathHelper.b(d4 / 512.0D, d5 / 512.0D, (d6 / 10.0D + 1.0D) / 2.0D);
+	}
+
+	private double[] b(int i, int j)
+	{
+		double[] adouble = new double[this.o + 1];
+
+		this.a(adouble, i, j);
+		return adouble;
+	}
+
+	private void a(double[] adouble, int i, int j)
+	{
+		NoiseSettings noisesettings = this.h.get().b();
+		double d0;
+		double d1;
+		double d2;
+		double d3;
+
+		if(this.v != null)
+		{
+			d0 = (double) (WorldChunkManagerTheEnd.a(this.v, i, j) - 8.0F);
+			if(d0 > 0.0D)
+			{
+				d1 = 0.25D;
+			}
+			else
+			{
+				d1 = 1.0D;
+			}
+		}
+		else
+		{
+			float f = 0.0F;
+			float f1 = 0.0F;
+			float f2 = 0.0F;
+			int k = this.getSeaLevel();
+			float f3 = this.b.getBiome(i, k, j).h();
+
+			for(int l = -2; l <= 2; ++l)
+			{
+				for(int i1 = -2; i1 <= 2; ++i1)
+				{
+					BiomeBase biomebase = this.b.getBiome(i + l, k, j + i1);
+					float f4 = biomebase.h();
+					float f5 = biomebase.j();
+					float f6;
+					float f7;
+
+					if(noisesettings.l() && f4 > 0.0F)
+					{
+						f6 = 1.0F + f4 * 2.0F;
+						f7 = 1.0F + f5 * 4.0F;
+					}
+					else
+					{
+						f6 = f4;
+						f7 = f5;
+					}
+					// CraftBukkit start - fix MC-54738
+					if(f6 < -1.8F)
+					{
+						f6 = -1.8F;
+					}
+					// CraftBukkit end
+
+					float f8 = f4 > f3 ? 0.5F : 1.0F;
+					float f9 = f8 * NMSChunkGenerator16_2_BACKUP.j[l + 2 + (i1 + 2) * 5] / (f6 + 2.0F);
+
+					f += f7 * f9;
+					f1 += f6 * f9;
+					f2 += f9;
+				}
+			}
+
+			float f10 = f1 / f2;
+			float f11 = f / f2;
+
+			d2 = (double) (f10 * 0.5F - 0.125F);
+			d3 = (double) (f11 * 0.9F + 0.1F);
+			d0 = d2 * 0.265625D;
+			d1 = 96.0D / d3;
+		}
+
+		double d4 = 684.412D * noisesettings.b().a();
+		double d5 = 684.412D * noisesettings.b().b();
+		double d6 = d4 / noisesettings.b().c();
+		double d7 = d5 / noisesettings.b().d();
+
+		d2 = (double) noisesettings.c().a();
+		d3 = (double) noisesettings.c().b();
+		double d8 = (double) noisesettings.c().c();
+		double d9 = (double) noisesettings.d().a();
+		double d10 = (double) noisesettings.d().b();
+		double d11 = (double) noisesettings.d().c();
+		double d12 = noisesettings.j() ? this.c(i, j) : 0.0D;
+		double d13 = noisesettings.g();
+		double d14 = noisesettings.h();
+
+		for(int j1 = 0; j1 <= this.o; ++j1)
+		{
+			double d15 = this.a(i, j1, j, d4, d5, d6, d7);
+			double d16 = 1.0D - (double) j1 * 2.0D / (double) this.o + d12;
+			double d17 = d16 * d13 + d14;
+			double d18 = (d17 + d0) * d1;
+
+			if(d18 > 0.0D)
+			{
+				d15 += d18 * 4.0D;
+			}
+			else
+			{
+				d15 += d18;
+			}
+
+			double d19;
+
+			if(d3 > 0.0D)
+			{
+				d19 = ((double) (this.o - j1) - d8) / d3;
+				d15 = MathHelper.b(d2, d15, d19);
+			}
+
+			if(d10 > 0.0D)
+			{
+				d19 = ((double) j1 - d11) / d10;
+				d15 = MathHelper.b(d9, d15, d19);
+			}
+
+			adouble[j1] = d15;
+		}
+
+	}
+
+	private double c(int i, int j)
+	{
+		double d0 = this.u.a((double) (i * 200), 10.0D, (double) (j * 200), 1.0D, 0.0D, true);
+		double d1;
+
+		if(d0 < 0.0D)
+		{
+			d1 = -d0 * 0.3D;
+		}
+		else
+		{
+			d1 = d0;
+		}
+
+		double d2 = d1 * 24.575625D - 2.0D;
+
+		return d2 < 0.0D ? d2 * 0.009486607142857142D : Math.min(d2, 1.0D) * 0.006640625D;
+	}
+
+	@Override
+	public int getBaseHeight(int i, int j, HeightMap.Type heightmap_type)
+	{
+		return this.a(i, j, (IBlockData[]) null, heightmap_type.e());
+	}
+
+	@Override
+	public IBlockAccess a(int i, int j)
+	{
+		IBlockData[] aiblockdata = new IBlockData[this.o * this.l];
+
+		this.a(i, j, aiblockdata, (Predicate<IBlockData>) null);
+		return new BlockColumn(aiblockdata);
+	}
+
+	private int a(int i, int j, @Nullable IBlockData[] aiblockdata, @Nullable Predicate<IBlockData> predicate)
+	{
+		int k = Math.floorDiv(i, this.m);
+		int l = Math.floorDiv(j, this.m);
+		int i1 = Math.floorMod(i, this.m);
+		int j1 = Math.floorMod(j, this.m);
+		double d0 = (double) i1 / (double) this.m;
+		double d1 = (double) j1 / (double) this.m;
+		double[][] adouble = new double[][] {this.b(k, l), this.b(k, l + 1), this.b(k + 1, l), this.b(k + 1, l + 1)};
+
+		for(int k1 = this.o - 1; k1 >= 0; --k1)
+		{
+			double d2 = adouble[0][k1];
+			double d3 = adouble[1][k1];
+			double d4 = adouble[2][k1];
+			double d5 = adouble[3][k1];
+			double d6 = adouble[0][k1 + 1];
+			double d7 = adouble[1][k1 + 1];
+			double d8 = adouble[2][k1 + 1];
+			double d9 = adouble[3][k1 + 1];
+
+			for(int l1 = this.l - 1; l1 >= 0; --l1)
+			{
+				double d10 = (double) l1 / (double) this.l;
+				double d11 = MathHelper.a(d10, d0, d1, d2, d6, d4, d8, d3, d7, d5, d9);
+				int i2 = k1 * this.l + l1;
+				IBlockData iblockdata = this.a(d11, i2);
+
+				if(aiblockdata != null)
+				{
+					aiblockdata[i2] = iblockdata;
+				}
+
+				if(predicate != null && predicate.test(iblockdata))
+				{
+					return i2 + 1;
+				}
+			}
+		}
+
+		return 0;
+	}
+
+	protected IBlockData a(double d0, int i)
+	{
+		IBlockData iblockdata;
+
+		if(d0 > 0.0D)
+		{
+			iblockdata = this.f;
+		}
+		else if(i < this.getSeaLevel())
+		{
+			iblockdata = this.g;
+		}
+		else
+		{
+			iblockdata = NMSChunkGenerator16_2_BACKUP.k;
+		}
+
+		return iblockdata;
+	}
+
+	@Override
+	public void buildBase(RegionLimitedWorldAccess regionlimitedworldaccess, IChunkAccess ichunkaccess)
+	{
+		ChunkCoordIntPair chunkcoordintpair = ichunkaccess.getPos();
+		int i = chunkcoordintpair.x;
+		int j = chunkcoordintpair.z;
+		SeededRandom seededrandom = new SeededRandom();
+
+		seededrandom.a(i, j);
+		ChunkCoordIntPair chunkcoordintpair1 = ichunkaccess.getPos();
+		int k = chunkcoordintpair1.d();
+		int l = chunkcoordintpair1.e();
+		// double d0 = 0.0625D;
+		BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
+
+		for(int i1 = 0; i1 < 16; ++i1)
+		{
+			for(int j1 = 0; j1 < 16; ++j1)
+			{
+				int k1 = k + i1;
+				int l1 = l + j1;
+				int i2 = ichunkaccess.getHighestBlock(HeightMap.Type.WORLD_SURFACE_WG, i1, j1) + 1;
+				double d1 = this.t.a((double) k1 * 0.0625D, (double) l1 * 0.0625D, 0.0625D, (double) i1 * 0.0625D) * 15.0D;
+
+				regionlimitedworldaccess.getBiome(blockposition_mutableblockposition.d(k + i1, i2, l + j1)).a(seededrandom, ichunkaccess, k1, l1, i2, d1, this.f, this.g, this.getSeaLevel(), regionlimitedworldaccess.getSeed());
+			}
+		}
+
+		this.a(ichunkaccess, seededrandom);
+	}
+
+	private void a(IChunkAccess ichunkaccess, Random random)
+	{
+		BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
+		int i = ichunkaccess.getPos().d();
+		int j = ichunkaccess.getPos().e();
+		GeneratorSettingBase generatorsettingbase = this.h.get();
+		int k = generatorsettingbase.f();
+		int l = this.x - 1 - generatorsettingbase.e();
+		boolean flag1 = l + 4 >= 0 && l < this.x;
+		boolean flag2 = k + 4 >= 0 && k < this.x;
+
+		if(flag1 || flag2)
+		{
+			Iterator<BlockPosition> iterator = BlockPosition.b(i, 0, j, i + 15, 0, j + 15).iterator();
+
+			while(iterator.hasNext())
+			{
+				BlockPosition blockposition = iterator.next();
+				int i1;
+
+				if(flag1)
+				{
+					for(i1 = 0; i1 < 5; ++i1)
+					{
+						if(i1 <= random.nextInt(5))
+						{
+							ichunkaccess.setType(blockposition_mutableblockposition.d(blockposition.getX(), l - i1, blockposition.getZ()), Blocks.BEDROCK.getBlockData(), false);
+						}
+					}
+				}
+
+				if(flag2)
+				{
+					for(i1 = 4; i1 >= 0; --i1)
+					{
+						if(i1 <= random.nextInt(5))
+						{
+							ichunkaccess.setType(blockposition_mutableblockposition.d(blockposition.getX(), k + i1, blockposition.getZ()), Blocks.BEDROCK.getBlockData(), false);
+						}
+					}
+				}
+			}
+
+		}
+	}
+
+	@Override
+	public void buildNoise(GeneratorAccess generatoraccess, StructureManager structuremanager, IChunkAccess ichunkaccess)
+	{
+		ObjectList<StructurePiece> objectlist = new ObjectArrayList<StructurePiece>(10);
+		ObjectList<WorldGenFeatureDefinedStructureJigsawJunction> objectlist1 = new ObjectArrayList<WorldGenFeatureDefinedStructureJigsawJunction>(32);
+		ChunkCoordIntPair chunkcoordintpair = ichunkaccess.getPos();
+		int i = chunkcoordintpair.x;
+		int j = chunkcoordintpair.z;
+		int k = i << 4;
+		int l = j << 4;
+		Iterator<?> iterator = StructureGenerator.t.iterator();
+
+		while(iterator.hasNext())
+		{
+			StructureGenerator<?> structuregenerator = (StructureGenerator<?>) iterator.next();
+
+			structuremanager.a(SectionPosition.a(chunkcoordintpair, 0), structuregenerator).forEach((structurestart) ->
+			{
+				Iterator<?> iterator1 = structurestart.d().iterator();
+
+				while(iterator1.hasNext())
+				{
+					StructurePiece structurepiece = (StructurePiece) iterator1.next();
+
+					if(structurepiece.a(chunkcoordintpair, 12))
+					{
+						if(structurepiece instanceof WorldGenFeaturePillagerOutpostPoolPiece)
+						{
+							WorldGenFeaturePillagerOutpostPoolPiece worldgenfeaturepillageroutpostpoolpiece = (WorldGenFeaturePillagerOutpostPoolPiece) structurepiece;
+							WorldGenFeatureDefinedStructurePoolTemplate.Matching worldgenfeaturedefinedstructurepooltemplate_matching = worldgenfeaturepillageroutpostpoolpiece.b().e();
+
+							if(worldgenfeaturedefinedstructurepooltemplate_matching == WorldGenFeatureDefinedStructurePoolTemplate.Matching.RIGID)
+							{
+								objectlist.add(worldgenfeaturepillageroutpostpoolpiece);
+							}
+
+							Iterator<?> iterator2 = worldgenfeaturepillageroutpostpoolpiece.e().iterator();
+
+							while(iterator2.hasNext())
+							{
+								WorldGenFeatureDefinedStructureJigsawJunction worldgenfeaturedefinedstructurejigsawjunction = (WorldGenFeatureDefinedStructureJigsawJunction) iterator2.next();
+								int i1 = worldgenfeaturedefinedstructurejigsawjunction.a();
+								int j1 = worldgenfeaturedefinedstructurejigsawjunction.c();
+
+								if(i1 > k - 12 && j1 > l - 12 && i1 < k + 15 + 12 && j1 < l + 15 + 12)
+								{
+									objectlist1.add(worldgenfeaturedefinedstructurejigsawjunction);
+								}
+							}
+						}
+						else
+						{
+							objectlist.add(structurepiece);
+						}
+					}
+				}
+
+			});
+		}
+
+		double[][][] adouble = new double[2][this.p + 1][this.o + 1];
+
+		for(int i1 = 0; i1 < this.p + 1; ++i1)
+		{
+			adouble[0][i1] = new double[this.o + 1];
+			this.a(adouble[0][i1], i * this.n, j * this.p + i1);
+			adouble[1][i1] = new double[this.o + 1];
+		}
+
+		ProtoChunk protochunk = (ProtoChunk) ichunkaccess;
+		HeightMap heightmap = protochunk.a(HeightMap.Type.OCEAN_FLOOR_WG);
+		HeightMap heightmap1 = protochunk.a(HeightMap.Type.WORLD_SURFACE_WG);
+		BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
+		ObjectListIterator<StructurePiece> objectlistiterator = objectlist.iterator();
+		ObjectListIterator<WorldGenFeatureDefinedStructureJigsawJunction> objectlistiterator1 = objectlist1.iterator();
+
+		for(int j1 = 0; j1 < this.n; ++j1)
+		{
+			int k1;
+
+			for(k1 = 0; k1 < this.p + 1; ++k1)
+			{
+				this.a(adouble[1][k1], i * this.n + j1 + 1, j * this.p + k1);
+			}
+
+			for(k1 = 0; k1 < this.p; ++k1)
+			{
+				ChunkSection chunksection = protochunk.a(15);
+
+				chunksection.a();
+
+				for(int l1 = this.o - 1; l1 >= 0; --l1)
+				{
+					double d0 = adouble[0][k1][l1];
+					double d1 = adouble[0][k1 + 1][l1];
+					double d2 = adouble[1][k1][l1];
+					double d3 = adouble[1][k1 + 1][l1];
+					double d4 = adouble[0][k1][l1 + 1];
+					double d5 = adouble[0][k1 + 1][l1 + 1];
+					double d6 = adouble[1][k1][l1 + 1];
+					double d7 = adouble[1][k1 + 1][l1 + 1];
+
+					for(int i2 = this.l - 1; i2 >= 0; --i2)
+					{
+						int j2 = l1 * this.l + i2;
+						int k2 = j2 & 15;
+						int l2 = j2 >> 4;
+
+						if(chunksection.getYPosition() >> 4 != l2)
+						{
+							chunksection.b();
+							chunksection = protochunk.a(l2);
+							chunksection.a();
+						}
+
+						double d8 = (double) i2 / (double) this.l;
+						double d9 = MathHelper.d(d8, d0, d4);
+						double d10 = MathHelper.d(d8, d2, d6);
+						double d11 = MathHelper.d(d8, d1, d5);
+						double d12 = MathHelper.d(d8, d3, d7);
+
+						for(int i3 = 0; i3 < this.m; ++i3)
+						{
+							int j3 = k + j1 * this.m + i3;
+							int k3 = j3 & 15;
+							double d13 = (double) i3 / (double) this.m;
+							double d14 = MathHelper.d(d13, d9, d10);
+							double d15 = MathHelper.d(d13, d11, d12);
+
+							for(int l3 = 0; l3 < this.m; ++l3)
+							{
+								int i4 = l + k1 * this.m + l3;
+								int j4 = i4 & 15;
+								double d16 = (double) l3 / (double) this.m;
+								double d17 = MathHelper.d(d16, d14, d15);
+								double d18 = MathHelper.a(d17 / 200.0D, -1.0D, 1.0D);
+
+								int k4;
+								int l4;
+								int i5;
+
+								for(d18 = d18 / 2.0D - d18 * d18 * d18 / 24.0D; objectlistiterator.hasNext(); d18 += a(k4, l4, i5) * 0.8D)
+								{
+									StructurePiece structurepiece = objectlistiterator.next();
+									StructureBoundingBox structureboundingbox = structurepiece.g();
+
+									k4 = Math.max(0, Math.max(structureboundingbox.a - j3, j3 - structureboundingbox.d));
+									l4 = j2 - (structureboundingbox.b + (structurepiece instanceof WorldGenFeaturePillagerOutpostPoolPiece ? ((WorldGenFeaturePillagerOutpostPoolPiece) structurepiece).d() : 0));
+									i5 = Math.max(0, Math.max(structureboundingbox.c - i4, i4 - structureboundingbox.f));
+								}
+
+								objectlistiterator.back(objectlist.size());
+
+								while(objectlistiterator1.hasNext())
+								{
+									WorldGenFeatureDefinedStructureJigsawJunction worldgenfeaturedefinedstructurejigsawjunction = objectlistiterator1.next();
+									int j5 = j3 - worldgenfeaturedefinedstructurejigsawjunction.a();
+
+									k4 = j2 - worldgenfeaturedefinedstructurejigsawjunction.b();
+									l4 = i4 - worldgenfeaturedefinedstructurejigsawjunction.c();
+									d18 += a(j5, k4, l4) * 0.4D;
+								}
+
+								objectlistiterator1.back(objectlist1.size());
+								IBlockData iblockdata = this.a(d18, j2);
+
+								if(iblockdata != NMSChunkGenerator16_2_BACKUP.k)
+								{
+									if(iblockdata.f() != 0)
+									{
+										blockposition_mutableblockposition.d(j3, j2, i4);
+										protochunk.k(blockposition_mutableblockposition);
+									}
+
+									chunksection.setType(k3, k2, j4, iblockdata, false);
+									heightmap.a(k3, j2, j4, iblockdata);
+									heightmap1.a(k3, j2, j4, iblockdata);
+								}
+							}
+						}
+					}
+				}
+
+				chunksection.b();
+			}
+
+			double[][] adouble1 = adouble[0];
+
+			adouble[0] = adouble[1];
+			adouble[1] = adouble1;
+		}
+
+	}
+
+	private static double a(int i, int j, int k)
+	{
+		int l = i + 12;
+		int i1 = j + 12;
+		int j1 = k + 12;
+
+		return l >= 0 && l < 24 ? (i1 >= 0 && i1 < 24 ? (j1 >= 0 && j1 < 24 ? (double) NMSChunkGenerator16_2_BACKUP.i[j1 * 24 * 24 + l * 24 + i1] : 0.0D) : 0.0D) : 0.0D;
+	}
+
+	private static double b(int i, int j, int k)
+	{
+		double d0 = (double) (i * i + k * k);
+		double d1 = (double) j + 0.5D;
+		double d2 = d1 * d1;
+		double d3 = Math.pow(2.718281828459045D, -(d2 / 16.0D + d0 / 16.0D));
+		double d4 = -d1 * MathHelper.i(d2 / 2.0D + d0 / 2.0D) / 2.0D;
+
+		return d4 * d3;
+	}
+
+	@Override
+	public int getGenerationDepth()
+	{
+		return this.x;
+	}
+
+	@Override
+	public int getSeaLevel()
+	{
+		return this.h.get().g();
+	}
+
+	@Override
+	public List<BiomeSettingsMobs.c> getMobsFor(BiomeBase biomebase, StructureManager structuremanager, EnumCreatureType enumcreaturetype, BlockPosition blockposition)
+	{
+		if(structuremanager.a(blockposition, true, StructureGenerator.SWAMP_HUT).e())
+		{
+			if(enumcreaturetype == EnumCreatureType.MONSTER)
+			{
+				return StructureGenerator.SWAMP_HUT.c();
+			}
+
+			if(enumcreaturetype == EnumCreatureType.CREATURE)
+			{
+				return StructureGenerator.SWAMP_HUT.j();
+			}
+		}
+
+		if(enumcreaturetype == EnumCreatureType.MONSTER)
+		{
+			if(structuremanager.a(blockposition, false, StructureGenerator.PILLAGER_OUTPOST).e())
+			{
+				return StructureGenerator.PILLAGER_OUTPOST.c();
+			}
+
+			if(structuremanager.a(blockposition, false, StructureGenerator.MONUMENT).e())
+			{
+				return StructureGenerator.MONUMENT.c();
+			}
+
+			if(structuremanager.a(blockposition, true, StructureGenerator.FORTRESS).e())
+			{
+				return StructureGenerator.FORTRESS.c();
+			}
+		}
+
+		return super.getMobsFor(biomebase, structuremanager, enumcreaturetype, blockposition);
+	}
+
+	@Override
+	public void addMobs(RegionLimitedWorldAccess regionlimitedworldaccess)
+	{
+		int i = regionlimitedworldaccess.a();
+		int j = regionlimitedworldaccess.b();
+		BiomeBase biomebase = regionlimitedworldaccess.getBiome((new ChunkCoordIntPair(i, j)).l());
+		SeededRandom seededrandom = new SeededRandom();
+		seededrandom.a(regionlimitedworldaccess.getSeed(), i << 4, j << 4);
+		SpawnerCreature.a(regionlimitedworldaccess, biomebase, i, j, seededrandom);
+	}
+}

src/main/java/com/volmit/iris/gen/nms/v16_2/NMSCreator16_2.java

@@ -1,4 +1,4 @@
-package com.volmit.iris.gen.nms;
+package com.volmit.iris.gen.nms.v16_2;
 
 import java.io.File;
 import java.io.IOException;
@@ -23,8 +23,12 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.mojang.serialization.DynamicOps;
 import com.mojang.serialization.Lifecycle;
+import com.volmit.iris.gen.nms.INMSCreator;
+import com.volmit.iris.gen.scaffold.Provisioned;
+import com.volmit.iris.util.O;
 import com.volmit.iris.util.V;
 
+import io.papermc.lib.PaperLib;
 import net.minecraft.server.v1_16_R2.BiomeBase;
 import net.minecraft.server.v1_16_R2.BiomeManager;
 import net.minecraft.server.v1_16_R2.Convertable;
@@ -38,6 +42,7 @@ import net.minecraft.server.v1_16_R2.GameRules;
 import net.minecraft.server.v1_16_R2.GeneratorSettingBase;
 import net.minecraft.server.v1_16_R2.GeneratorSettings;
 import net.minecraft.server.v1_16_R2.IRegistry;
+import net.minecraft.server.v1_16_R2.IRegistryCustom.Dimension;
 import net.minecraft.server.v1_16_R2.IWorldDataServer;
 import net.minecraft.server.v1_16_R2.MinecraftKey;
 import net.minecraft.server.v1_16_R2.MinecraftServer;
@@ -52,16 +57,19 @@ import net.minecraft.server.v1_16_R2.RegistryReadOps;
 import net.minecraft.server.v1_16_R2.ResourceKey;
 import net.minecraft.server.v1_16_R2.SaveData;
 import net.minecraft.server.v1_16_R2.VillageSiege;
+import net.minecraft.server.v1_16_R2.WorldChunkManager;
+import net.minecraft.server.v1_16_R2.WorldChunkManagerOverworld;
 import net.minecraft.server.v1_16_R2.WorldDataServer;
 import net.minecraft.server.v1_16_R2.WorldDimension;
 import net.minecraft.server.v1_16_R2.WorldServer;
 import net.minecraft.server.v1_16_R2.WorldSettings;
 
-public class NMSCreator162
+class NMSCreator16_2 implements INMSCreator
 {
 	@SuppressWarnings({"unchecked", "rawtypes", "resource"})
-	public static World createWorld(WorldCreator creator, boolean loadSpawn)
+	public World createWorld(WorldCreator creator, boolean loadSpawn)
 	{
+		Provisioned pro = (Provisioned) creator.generator();
 		CraftServer server = ((CraftServer) Bukkit.getServer());
 		Map<String, World> worlds = new V(server).get("worlds");
 		DedicatedServer console = new V(server).get("console");
@@ -121,7 +129,7 @@ public class NMSCreator162
 		}
 		MinecraftServer.convertWorld(worldSession);
 		final boolean hardcore = creator.hardcore();
-		final RegistryReadOps<NBTBase> registryreadops = (RegistryReadOps<NBTBase>) RegistryReadOps.a((DynamicOps) DynamicOpsNBT.a, console.dataPackResources.h(), console.f);
+		final RegistryReadOps<NBTBase> registryreadops = (RegistryReadOps<NBTBase>) RegistryReadOps.a((DynamicOps) DynamicOpsNBT.a, console.dataPackResources.h(), getConsoleDimension(console));
 		WorldDataServer worlddata = (WorldDataServer) worldSession.a((DynamicOps) registryreadops, console.datapackconfiguration);
 		if(worlddata == null)
 		{
@@ -130,7 +138,7 @@ public class NMSCreator162
 			properties.put("level-seed", Objects.toString(creator.seed()));
 			properties.put("generate-structures", Objects.toString(creator.generateStructures()));
 			properties.put("level-type", Objects.toString(creator.type().getName()));
-			final GeneratorSettings generatorsettings = GeneratorSettings.a(console.aX(), properties);
+			final GeneratorSettings generatorsettings = GeneratorSettings.a(getConsoleDimension(console), properties);
 			@SuppressWarnings("deprecation")
 			final WorldSettings worldSettings = new WorldSettings(name, EnumGamemode.getById(server.getDefaultGameMode().getValue()), hardcore, EnumDifficulty.EASY, false, new GameRules(), console.datapackconfiguration);
 			worlddata = new WorldDataServer(worldSettings, generatorsettings, Lifecycle.stable());
@@ -147,18 +155,10 @@ public class NMSCreator162
 		final WorldDimension worlddimension = (WorldDimension) registrymaterials.a((ResourceKey) actualDimension);
 		DimensionManager dimensionmanager;
 		net.minecraft.server.v1_16_R2.ChunkGenerator chunkgenerator;
-
+		long ll = new Random().nextLong();
-		if(worlddimension == null)
+		dimensionmanager = (DimensionManager) getConsoleDimension(console).a().d(DimensionManager.OVERWORLD);
-		{
+		O<WorldServer> ws = new O<WorldServer>();
-			dimensionmanager = (DimensionManager) console.f.a().d(DimensionManager.OVERWORLD);
+		chunkgenerator = new NMSChunkGenerator16_2(pro, ws, (WorldChunkManager) new WorldChunkManagerOverworld(ll, false, false, (IRegistry<BiomeBase>) getConsoleDimension(console).b(IRegistry.ay)), ll, () -> (GeneratorSettingBase) getConsoleDimension(console).b(IRegistry.ar).d(GeneratorSettingBase.c));
-			chunkgenerator = (net.minecraft.server.v1_16_R2.ChunkGenerator) GeneratorSettings.a((IRegistry<BiomeBase>) console.f.b(IRegistry.ay), (IRegistry<GeneratorSettingBase>) console.f.b(IRegistry.ar), new Random().nextLong());
-		}
-		else
-		{
-			dimensionmanager = worlddimension.b();
-			chunkgenerator = worlddimension.c();
-		}
-
 		final ResourceKey<net.minecraft.server.v1_16_R2.World> worldKey = (ResourceKey<net.minecraft.server.v1_16_R2.World>) ResourceKey.a(IRegistry.L, new MinecraftKey(name.toLowerCase(Locale.ENGLISH)));
 		//@builder
 		final WorldServer internal = new WorldServer((MinecraftServer) console, 
@@ -173,8 +173,9 @@ public class NMSCreator162
 				(List) ((creator.environment() == World.Environment.NORMAL) ? list : ImmutableList.of()),
 				true, 
 				creator.environment(), 
-				generator);
+				server.getGenerator(name));
 		//@done
+		ws.set(internal);
 		if(!worlds.containsKey(name.toLowerCase(Locale.ENGLISH)))
 		{
 			try
@@ -189,10 +190,12 @@ public class NMSCreator162
 
 			return null;
 		}
+
 		console.initWorld(internal, (IWorldDataServer) worlddata, (SaveData) worlddata, worlddata.getGeneratorSettings());
 		internal.setSpawnFlags(true, true);
 		console.worldServer.put(internal.getDimensionKey(), internal);
 		server.getPluginManager().callEvent((Event) new WorldInitEvent((World) internal.getWorld()));
+
 		if(loadSpawn)
 		{
 			server.getServer().loadSpawn(internal.getChunkProvider().playerChunkMap.worldLoadListener, internal);
@@ -206,4 +209,14 @@ public class NMSCreator162
 		server.getPluginManager().callEvent((Event) new WorldLoadEvent((World) internal.getWorld()));
 		return (World) internal.getWorld();
 	}
+
+	private Dimension getConsoleDimension(DedicatedServer console)
+	{
+		if(PaperLib.isPaper())
+		{
+			return new V((MinecraftServer) console, true).get("customRegistry");
+		}
+
+		return console.f;
+	}
 }

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

@@ -0,0 +1,16 @@
+package com.volmit.iris.gen.nms.v1X;
+
+import com.volmit.iris.gen.atomics.AtomicCache;
+import com.volmit.iris.gen.nms.INMSBinding;
+import com.volmit.iris.gen.nms.INMSCreator;
+
+public class NMSBinding1X implements INMSBinding
+{
+	private final AtomicCache<INMSCreator> creator = new AtomicCache<>();
+
+	@Override
+	public INMSCreator getCreator()
+	{
+		return creator.aquire(() -> new NMSCreator1X());
+	}
+}

src/main/java/com/volmit/iris/gen/nms/v1X/NMSCreator1X.java

@@ -0,0 +1,14 @@
+package com.volmit.iris.gen.nms.v1X;
+
+import org.bukkit.World;
+import org.bukkit.WorldCreator;
+
+import com.volmit.iris.gen.nms.INMSCreator;
+
+class NMSCreator1X implements INMSCreator
+{
+	public World createWorld(WorldCreator creator, boolean loadSpawn)
+	{
+		return creator.createWorld();
+	}
+}

src/main/java/com/volmit/iris/gen/provisions/ProvisionBukkit.java

@@ -15,6 +15,7 @@ import org.bukkit.generator.ChunkGenerator;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.gen.IrisTerrainProvider;
+import com.volmit.iris.gen.scaffold.GeneratedChunk;
 import com.volmit.iris.gen.scaffold.HeightedFakeWorld;
 import com.volmit.iris.gen.scaffold.Provisioned;
 import com.volmit.iris.gen.scaffold.TerrainChunk;
@@ -198,17 +199,7 @@ public class ProvisionBukkit extends ChunkGenerator implements Provisioned
 	@Override
 	public ChunkData generateChunkData(World world, Random random, int x, int z, BiomeGrid biome)
 	{
-		cachedWorld = world;
+		cacheWorld(world);
-		if(!worldSet)
-		{
-			worldSet = true;
-			provider.getTarget().setRealWorld(world);
-
-			if(world.getSpawnLocation().getY() == 0 && world.getSpawnLocation().getZ() == 0 && world.getSpawnLocation().getX() == 0)
-			{
-				Bukkit.getScheduler().scheduleSyncDelayedTask(Iris.instance, () -> fixSpawn(world));
-			}
-		}
 
 		if(precache.size() > 0)
 		{
@@ -226,6 +217,28 @@ public class ProvisionBukkit extends ChunkGenerator implements Provisioned
 		return terrain.getRaw();
 	}
 
+	public GeneratedChunk generateNMSChunkData(World world, Random random, int x, int z, ChunkData nmsData, BiomeGrid biome)
+	{
+		cacheWorld(world);
+		TerrainChunk terrain = TerrainChunk.create(nmsData, biome);
+		return getProvider().generate(getRNG(world, x, z), x, z, terrain);
+	}
+
+	private void cacheWorld(World world)
+	{
+		cachedWorld = world;
+		if(!worldSet)
+		{
+			worldSet = true;
+			provider.getTarget().setRealWorld(world);
+
+			if(world.getSpawnLocation().getY() == 0 && world.getSpawnLocation().getZ() == 0 && world.getSpawnLocation().getX() == 0)
+			{
+				Bukkit.getScheduler().scheduleSyncDelayedTask(Iris.instance, () -> fixSpawn(world));
+			}
+		}
+	}
+
 	private Random getRNG(World world, int x, int z)
 	{
 		cachedWorld = world;

src/main/java/com/volmit/iris/gen/scaffold/GeneratedChunk.java

@@ -0,0 +1,20 @@
+package com.volmit.iris.gen.scaffold;
+
+import com.volmit.iris.gen.atomics.AtomicSliverMap;
+import com.volmit.iris.util.BiomeMap;
+import com.volmit.iris.util.HeightMap;
+
+import lombok.Builder;
+import lombok.Data;
+
+@Builder
+@Data
+public class GeneratedChunk
+{
+	private int x;
+	private int z;
+	private TerrainChunk terrain;
+	private HeightMap height;
+	private AtomicSliverMap sliverMap;
+	private BiomeMap biomeMap;
+}

src/main/java/com/volmit/iris/gen/scaffold/LinkedTerrainChunk.java

@@ -23,6 +23,14 @@ public class LinkedTerrainChunk implements TerrainChunk
 		this(null, maxHeight);
 	}
 
+	public LinkedTerrainChunk(BiomeGrid storage, ChunkData data)
+	{
+		this.storage = storage;
+		rawChunkData = data;
+		biome2D = storage != null ? null : Iris.biome3d ? null : new Biome[256];
+		biome3D = storage != null ? null : Iris.biome3d ? new IrisBiomeStorage() : null;
+	}
+
 	public LinkedTerrainChunk(BiomeGrid storage, int maxHeight)
 	{
 		this.storage = storage;

src/main/java/com/volmit/iris/gen/scaffold/TerrainChunk.java

@@ -23,6 +23,11 @@ public interface TerrainChunk extends BiomeGrid, ChunkData
 		return create(world.getMaxHeight(), grid);
 	}
 
+	public static TerrainChunk create(ChunkData raw, BiomeGrid grid)
+	{
+		return new LinkedTerrainChunk(grid, raw);
+	}
+
 	public static TerrainChunk create(int maxHeight, BiomeGrid grid)
 	{
 		return new LinkedTerrainChunk(grid, maxHeight);

src/main/java/com/volmit/iris/gen/scaffold/TerrainProvider.java

@@ -7,6 +7,8 @@ import java.util.function.Function;
 import org.bukkit.generator.BlockPopulator;
 import org.bukkit.util.BlockVector;
 
+import com.volmit.iris.util.HeightMap;
+
 public interface TerrainProvider
 {
 	public TerrainTarget getTarget();
@@ -17,7 +19,7 @@ public interface TerrainProvider
 
 	public BlockVector computeSpawn(Function<BlockVector, Boolean> allowed);
 
-	public void generate(Random random, int x, int z, TerrainChunk chunk);
+	public GeneratedChunk generate(Random random, int x, int z, TerrainChunk chunk);
 
 	public boolean canSpawn(int x, int z);
 

src/main/java/com/volmit/iris/manager/IrisProject.java

@@ -16,7 +16,7 @@ import com.google.gson.Gson;
 import com.volmit.iris.Iris;
 import com.volmit.iris.IrisSettings;
 import com.volmit.iris.gen.IrisTerrainProvider;
-import com.volmit.iris.gen.nms.NMSCreator;
+import com.volmit.iris.gen.nms.INMS;
 import com.volmit.iris.gen.provisions.ProvisionBukkit;
 import com.volmit.iris.gen.scaffold.IrisGenConfiguration;
 import com.volmit.iris.gen.scaffold.TerrainTarget;
@@ -191,7 +191,7 @@ public class IrisProject
 		});
 
 		//@builder
-		World world = NMSCreator.createWorld(new WorldCreator(wfp)
+		World world = INMS.get().createWorld(new WorldCreator(wfp)
 				.seed(1337)
 				.generator(gen)
 				.generateStructures(d.isVanillaStructures())