Merge branch 'immersivePortals'

Thanks Acuadragon100!

cleanroom/src/main/java/com/seibel/distanthorizons/cleanroom/CleanroomClientProxy.java

@@ -77,43 +77,6 @@ public class CleanroomClientProxy implements AbstractModInitializer.IEventProxy
 	}
 	
 	
-	
-	//==============//
-	// world events //
-	//==============//
-	
-	@SubscribeEvent
-	public void clientLevelLoadEvent(WorldEvent.Load event)
-	{
-		LOGGER.info("level load");
-		
-		World level = event.getWorld();
-		if (!(level instanceof WorldClient clientLevel))
-		{
-			return;
-		}
-		
-		IClientLevelWrapper clientLevelWrapper = ClientLevelWrapper.getWrapper(clientLevel, true);
-		ClientApi.INSTANCE.clientLevelLoadEvent(clientLevelWrapper);
-	}
-	
-	@SubscribeEvent
-	public void clientLevelUnloadEvent(WorldEvent.Unload event)
-	{
-		LOGGER.info("level unload");
-		
-		World level = event.getWorld();
-		if (!(level instanceof WorldClient clientLevel))
-		{
-			return;
-		}
-		
-		IClientLevelWrapper clientLevelWrapper = ClientLevelWrapper.getWrapper(clientLevel);
-		ClientApi.INSTANCE.clientLevelUnloadEvent(clientLevelWrapper);
-	}
-	
-	
-	
 	//==============//
 	// chunk events //
 	//==============//

cleanroom/src/main/java/com/seibel/distanthorizons/cleanroom/mixins/client/MixinEntityRenderer.java

@@ -26,7 +26,6 @@ import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftRenderWrapper;
-import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.EntityRenderer;
 import net.minecraft.client.renderer.GlStateManager;
@@ -61,9 +60,8 @@ public class MixinEntityRenderer
 			return;
 		}
 		
-		IClientLevelWrapper clientLevel = mc.getWrappedClientLevel();
 		MinecraftRenderWrapper renderWrapper = (MinecraftRenderWrapper)SingletonInjector.INSTANCE.get(IMinecraftRenderWrapper.class);
-		renderWrapper.setLightmapId(lightmapTexture.getGlTextureId(), clientLevel);
+		renderWrapper.setLightmapId(lightmapTexture.getGlTextureId());
 	}
 	
 	@Inject(at = @At("RETURN"), method = "setupFog")

common/src/main/java/com/seibel/distanthorizons/common/commonMixins/MixinImmersivePortalsRenderStatesCommon.java

@@ -0,0 +1,60 @@
+package com.seibel.distanthorizons.common.commonMixins;
+
+#if MC_VER > MC_1_12_2
+import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
+import com.seibel.distanthorizons.common.wrappers.modAccessor.AbstractImmersivePortalsAccessorCommon;
+import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
+import com.seibel.distanthorizons.core.util.math.Vec3d;
+import net.minecraft.client.Minecraft;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.phys.Vec3;
+
+public class MixinImmersivePortalsRenderStatesCommon
+{
+	/**
+	 * Used to access variables that will change when rendering
+	 * different levels with Immersive Portals 
+	 * (ie player/camera position level reference)
+	 * but that we only want for the loaded level.
+	 */
+	public static void saveVolatileOriginals()
+	{
+		Minecraft mc = Minecraft.getInstance();
+		
+		AbstractImmersivePortalsAccessorCommon.actualLevel = mc.level;
+		
+		
+		// clear everything if the player is missing
+		// (ie the world hasn't loaded yet)
+		if (mc.player == null) 
+		{
+			AbstractImmersivePortalsAccessorCommon.actualBlockPos = null;
+			AbstractImmersivePortalsAccessorCommon.actualChunkPos = null;
+			AbstractImmersivePortalsAccessorCommon.actualCameraPos = null;
+			return;
+		}
+		
+		// player block pos
+		BlockPos playerBlockPos = mc.player.blockPosition();
+		AbstractImmersivePortalsAccessorCommon.actualBlockPos = new DhBlockPos(playerBlockPos.getX(), playerBlockPos.getY(), playerBlockPos.getZ());
+		
+		// player chunk pos
+		#if MC_VER < MC_1_17_1
+        ChunkPos playerChunkPos = new ChunkPos(mc.player.blockPosition());
+        #else
+		ChunkPos playerChunkPos = mc.player.chunkPosition();
+        #endif
+		AbstractImmersivePortalsAccessorCommon.actualChunkPos = McObjectConverter.Convert(playerChunkPos);
+		
+		// camera pos
+		#if MC_VER <= MC_1_21_10
+		Vec3 cameraPos = mc.gameRenderer.getMainCamera().getPosition();
+		#else
+		Vec3 cameraPos = mc.gameRenderer.getMainCamera().position();
+		#endif
+		AbstractImmersivePortalsAccessorCommon.actualCameraPos = new Vec3d(cameraPos.x(), cameraPos.y(), cameraPos.z());
+	}
+	
+}
+#endif

common/src/main/java/com/seibel/distanthorizons/common/commonMixins/MixinVanillaFogCommon.java

@@ -7,6 +7,7 @@ import com.seibel.distanthorizons.core.dependencyInjection.ModAccessorInjector;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftRenderWrapper;
+import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IImmersivePortalsAccessor;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 
 import net.minecraft.client.Minecraft;
@@ -26,6 +27,7 @@ import net.minecraft.world.level.material.FluidState;
 import net.minecraft.client.renderer.FogRenderer;
 import net.minecraft.client.renderer.FogRenderer.FogMode;
 import com.mojang.blaze3d.systems.RenderSystem;
+
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 #elif MC_VER < MC_1_21_3
@@ -50,6 +52,11 @@ import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 #else
 import net.minecraft.world.level.material.FogType;
+import net.minecraft.client.renderer.fog.FogRenderer;
+import net.minecraft.client.renderer.fog.FogData;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
 #endif
 
 
@@ -104,6 +111,15 @@ public class MixinVanillaFogCommon
 		cancelFog = cancelFog && !Config.Client.Advanced.Graphics.Fog.enableVanillaFog.get();
 		
 		
+		// since DH won't render through immersive portals 
+		// the vanilla fog should be enabled
+		IImmersivePortalsAccessor immersivePortals = ModAccessorInjector.INSTANCE.get(IImmersivePortalsAccessor.class);
+		if (immersivePortals != null
+			&& immersivePortals.isRenderingPortal())
+		{
+			cancelFog = false;
+		}
+		
 		return cancelFog;
 	}
 	#if MC_VER <= MC_1_12_2
@@ -124,4 +140,6 @@ public class MixinVanillaFogCommon
 		
 		return cameraNotInFluid;
 	}
+	
+	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/level/KeyedClientLevelManager.java

@@ -1,5 +1,6 @@
 package com.seibel.distanthorizons.common.wrappers.level;
 
+import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
 import com.seibel.distanthorizons.core.level.IServerKeyedClientLevel;
 import com.seibel.distanthorizons.core.level.IKeyedClientLevelManager;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
@@ -8,17 +9,27 @@ import net.minecraft.client.multiplayer.WorldClient;
 #else
 import net.minecraft.client.multiplayer.ClientLevel;
 #endif
+import net.minecraft.client.Minecraft;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.Collections;
+import java.util.Map;
+import java.util.WeakHashMap;
+import java.util.concurrent.ConcurrentHashMap;
+
 public class KeyedClientLevelManager implements IKeyedClientLevelManager
 {
 	public static final KeyedClientLevelManager INSTANCE = new KeyedClientLevelManager();
 	
-	/** This is set and managed by the ClientApi for servers with support for DH. */
+	/** Stores the server-provided keys indexed by dimension name for persistence. */
-	@Nullable
+	private final Map<String, KeyInfo> keysByDimensionName = new ConcurrentHashMap<>();
-	private IServerKeyedClientLevel serverKeyedLevel = null;
+	
+	/** Cache for already keyed level wrappers to maintain object identity. */
+	private final Map<#if MC_VER > MC_1_12_2 ClientLevel #else WorldClient #endif, IServerKeyedClientLevel> 
+		keyedLevelsCache = Collections.synchronizedMap(new WeakHashMap<>());
+	
 	/** Allows to keep level manager enabled between loading different keyed levels */
-	private boolean enabled = false;
+	private volatile boolean enabled = false;
 	
 	
 	
@@ -41,32 +52,140 @@ public class KeyedClientLevelManager implements IKeyedClientLevelManager
 	
 	@Override
 	@Nullable
-	public IServerKeyedClientLevel getServerKeyedLevel() { return this.serverKeyedLevel; }
+	public IServerKeyedClientLevel getServerKeyedLevel() 
+	{ 
+		#if MC_VER > MC_1_12_2
+		return this.getServerKeyedLevel(Minecraft.getInstance().level); 
+		#else
+		return this.getServerKeyedLevel(Minecraft.getMinecraft().world); 
+		#endif
+	}
+	
+	@Nullable
+	public IServerKeyedClientLevel getServerKeyedLevel(@Nullable #if MC_VER > MC_1_12_2 ClientLevel #else WorldClient #endif level)
+	{
+		if (level == null)
+		{
+			return null;
+		}
+		
+		// We synchronize on the cache map to ensure atomicity of the lookup-and-populate sequence.
+		// This prevents multiple threads from creating duplicate wrappers for the same level.
+		synchronized (this.keyedLevelsCache)
+		{
+			// Check the cache first
+			IServerKeyedClientLevel cached = this.keyedLevelsCache.get(level);
+			if (cached != null)
+			{
+				return cached;
+			}
+			
+			// Determine the dimension name for this level
+			// We use bypassLevelKeyManager=true to avoid recursion back into this manager
+			IClientLevelWrapper wrappedLevel = ClientLevelWrapper.getWrapper(level, true);
+			if (wrappedLevel == null)
+			{
+				return null;
+			}
+			
+			String dimensionName = wrappedLevel.getDimensionName();
+			KeyInfo info = this.keysByDimensionName.get(dimensionName);
+			if (info == null)
+			{
+				return null;
+			}
+			
+			// Create and cache a new keyed wrapper
+			IServerKeyedClientLevel keyedLevel = new ServerKeyedClientLevelWrapper(level, info.serverKey, info.levelKey);
+			this.keyedLevelsCache.put(level, keyedLevel);
+			return keyedLevel;
+		}
+	}
 	
 	@Override
 	public IServerKeyedClientLevel setServerKeyedLevel(IClientLevelWrapper clientLevel, String serverKey, String levelKey)
 	{
-		IServerKeyedClientLevel keyedLevel;
+		// 1. Determine the target dimension name
+		String targetDimensionName = clientLevel.getDimensionName();
+		int separatorIndex = levelKey.lastIndexOf("@");
+		if (separatorIndex != -1)
+		{
+			targetDimensionName = levelKey.substring(separatorIndex + 1);
+		}
+		
+		final String finalTargetDimensionName = targetDimensionName;
+		
+		// 2. Store the key for this dimension
+		this.keysByDimensionName.put(finalTargetDimensionName, new KeyInfo(serverKey, levelKey));
+		this.enabled = true;
+		
+		// 3. Clear the cache for this dimension to ensure new wrappers are created with the new key
+		// (though in practice keys shouldn't change mid-session)
+		// 
+		// We synchronize manually on the map to ensure atomicity of the compound removal operation
+		// and to prevent race conditions or deadlocks with other threads accessing the map.
+		// We avoid calling ClientLevelWrapper.getWrapper() inside the lock to prevent circular lock dependencies.
+		synchronized (this.keyedLevelsCache)
+		{
+			this.keyedLevelsCache.keySet().removeIf(level -> 
+			{
 				#if MC_VER <= MC_1_12_2
-		keyedLevel = new ServerKeyedClientLevelWrapper((WorldClient) clientLevel.getWrappedMcObject(), serverKey, levelKey);
+				String levelDim = level.provider.getDimensionType().getName() + ":" + level.provider.getDimension();
+				#elif MC_VER <= MC_1_21_10
+				String levelDim = level.dimension().location().toString();
 				#else
-		keyedLevel = new ServerKeyedClientLevelWrapper((ClientLevel) clientLevel.getWrappedMcObject(), serverKey, levelKey);
+				String levelDim = level.dimension().identifier().toString();
 				#endif
 				
-		this.serverKeyedLevel = keyedLevel;
+				return levelDim.equals(finalTargetDimensionName);
-		this.enabled = true;
+			});
-		return keyedLevel;
+		}
+		
+		// 4. Return the keyed wrapper for whatever level the core passed us, 
+		// but only if it matches the dimension we just keyed.
+		return this.getServerKeyedLevel((#if MC_VER > MC_1_12_2 ClientLevel #else WorldClient #endif) clientLevel.getWrappedMcObject());
 	}
 	
 	@Override
-	public void clearKeyedLevel() { this.serverKeyedLevel = null; }
+	public void clearKeyedLevel() 
+	{ 
+		synchronized (this.keyedLevelsCache)
+		{
+			this.keyedLevelsCache.clear(); 
+			this.keysByDimensionName.clear();
+		}
+	}
+	
 	@Override
 	public boolean isEnabled() { return this.enabled; }
+	
 	@Override
-	public void disable() { this.enabled = false; }
+	public void disable() 
+	{ 
+		this.enabled = false; 
+		this.clearKeyedLevel();
+	}
+	
+	
+	
+	//================//
+	// helper classes //
+	//================//
+	//region
+	
+	private static class KeyInfo
+	{
+		public final String serverKey;
+		public final String levelKey;
+		
+		public KeyInfo(String serverKey, String levelKey)
+		{
+			this.serverKey = serverKey;
+			this.levelKey = levelKey;
+		}
+	}
 	
 	//endregion
 	
 	
-	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/AbstractMinecraftSharedWrapper.java

@@ -0,0 +1,65 @@
+package com.seibel.distanthorizons.common.wrappers.minecraft;
+
+import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftSharedWrapper;
+import org.jetbrains.annotations.Nullable;
+
+
+#if MC_VER > MC_1_12_2
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.Level;
+#else
+import net.minecraft.world.WorldServer;
+#endif
+
+#if  MC_VER <= MC_1_12_2
+#elif  MC_VER <= MC_1_21_10
+import net.minecraft.resources.ResourceLocation;
+#else
+import net.minecraft.resources.Identifier;
+#endif
+
+#if  MC_VER > MC_1_19_2
+import net.minecraft.core.registries.Registries;
+#elif MC_VER > MC_1_12_2
+import net.minecraft.core.Registry;
+#endif
+
+public abstract class AbstractMinecraftSharedWrapper implements IMinecraftSharedWrapper
+{
+	
+	@Nullable
+	protected ResourceKey<Level> deserializeDimensionResourceKey(String dimensionResourceLocation)
+	{
+		#if  MC_VER <= MC_1_12_2
+		int dimensionID;
+		try
+		{
+			dimensionID = Integer.parseInt(dimensionResourceLocation.substring(dimensionResourceLocation.indexOf(":")+1));
+		}
+		catch (NumberFormatException ignored)
+		{
+			return null;
+		}
+		#else
+			#if  MC_VER <= MC_1_21_10
+			ResourceLocation dimResourceLocation = ResourceLocation.tryParse(dimensionResourceLocation);
+			#else
+			Identifier dimResourceLocation = Identifier.tryParse(dimensionResourceLocation);
+			#endif
+			if (dimResourceLocation == null)
+			{
+				return null;
+			}
+			
+			#if  MC_VER > MC_1_19_2
+			ResourceKey<Level> dimensionKey = ResourceKey.create(Registries.DIMENSION, dimResourceLocation);
+			#else
+			ResourceKey<Level> dimensionKey = ResourceKey.create(Registry.DIMENSION_REGISTRY, dimResourceLocation);
+			#endif
+		#endif
+		
+		return dimensionKey;
+	}
+	
+}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftClientWrapper.java

@@ -26,9 +26,13 @@ import com.mojang.blaze3d.platform.Window;
 #endif
 import com.seibel.distanthorizons.common.wrappers.gui.NativeDialogUtil;
 import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
+import com.seibel.distanthorizons.common.wrappers.world.ServerLevelWrapper;
+import com.seibel.distanthorizons.core.dependencyInjection.ModAccessorInjector;
 import com.seibel.distanthorizons.core.file.structure.ClientOnlySaveStructure;
 import com.seibel.distanthorizons.core.render.RenderThreadTaskHandler;
+import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IImmersivePortalsAccessor;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
+import com.seibel.distanthorizons.core.wrapperInterfaces.world.IServerLevelWrapper;
 import com.seibel.distanthorizons.coreapi.ModInfo;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
@@ -48,14 +52,20 @@ import net.minecraft.profiler.Profiler;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
 import net.minecraft.util.text.TextComponentString;
+import net.minecraft.world.DimensionType;
+import net.minecraft.world.WorldServer;
+import net.minecraftforge.common.DimensionManager;
 #else
 import net.minecraft.CrashReport;
 import net.minecraft.client.CloudStatus;
 import net.minecraft.client.multiplayer.ClientLevel;
 import net.minecraft.client.player.LocalPlayer;
 import net.minecraft.core.BlockPos;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.server.level.ServerLevel;
 import net.minecraft.util.profiling.ProfilerFiller;
 import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.Level;
 #endif
 
 import org.jetbrains.annotations.Nullable;
@@ -74,13 +84,25 @@ import net.minecraft.client.GraphicsStatus;
 #else
 #endif
 
+#if  MC_VER <= MC_1_12_2
+import net.minecraft.util.ResourceLocation;
+#elif  MC_VER <= MC_1_21_10
+#else
+import net.minecraft.resources.Identifier;
+#endif
+
+#if  MC_VER > MC_1_19_2
+import net.minecraft.core.registries.Registries;
+#elif MC_VER > MC_1_12_2
+#endif
+
 
 /**
  * A singleton that wraps the Minecraft object.
  *
  * @author James Seibel
  */
-public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecraftSharedWrapper
+public class MinecraftClientWrapper extends AbstractMinecraftSharedWrapper implements IMinecraftClientWrapper
 {
 	private static final DhLogger LOGGER = new DhLoggerBuilder().build();
 	
@@ -95,6 +117,12 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 	
 	private ProfilerWrapper profilerWrapper;
 	
+	/** Delayed accessing is necessary since this object will be created before the mod accessors are bound. */
+	private static class DelayedAccessors 
+	{
+		public static final IImmersivePortalsAccessor IMMERSIVE_PORTALS = ModAccessorInjector.INSTANCE.get(IImmersivePortalsAccessor.class);
+	}
+	
 	
 	
 	//======================//
@@ -232,6 +260,15 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 			return new DhBlockPos(0, 0, 0);	
 		}
 		
+		if (DelayedAccessors.IMMERSIVE_PORTALS != null)
+		{
+			DhBlockPos pos = DelayedAccessors.IMMERSIVE_PORTALS.getActualPlayerBlockPos();
+			if (pos != null)
+			{
+				return pos;
+			}
+		}
+		
 		#if MC_VER <= MC_1_12_2
 		BlockPos playerPos = player.getPosition();
 		#else
@@ -253,6 +290,15 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 			return new DhChunkPos(0, 0);
 		}
 		
+		if (DelayedAccessors.IMMERSIVE_PORTALS != null)
+		{
+			DhChunkPos pos = DelayedAccessors.IMMERSIVE_PORTALS.getActualPlayerChunkPos();
+			if (pos != null)
+			{
+				return pos;
+			}
+		}
+		
         #if MC_VER <= MC_1_12_2
 		ChunkPos playerPos = new ChunkPos(player.getPosition());
         #elif MC_VER < MC_1_17_1
@@ -285,6 +331,16 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 	@Nullable
 	public IClientLevelWrapper getWrappedClientLevel(boolean bypassLevelKeyManager)
 	{
+		if (!bypassLevelKeyManager 
+			&& DelayedAccessors.IMMERSIVE_PORTALS != null)
+		{
+			IClientLevelWrapper level = DelayedAccessors.IMMERSIVE_PORTALS.getActualClientLevelWrapper();
+			if (level != null)
+			{
+				return level;
+			}
+		}
+		
 		#if MC_VER <= MC_1_12_2
 		WorldClient level = MINECRAFT.world;
 		#else
@@ -583,6 +639,25 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 		}
 	}
 	
+	@Nullable
+	@Override
+	public IServerLevelWrapper getWrappedServerLevelWithDimensionResourceLocation(String dimensionResourceLocation)
+	{
+		if (!this.hasSinglePlayerServer())
+		{
+			return null;
+		}
+		
+		ResourceKey<Level> dimensionKey = this.deserializeDimensionResourceKey(dimensionResourceLocation);
+		
+		#if  MC_VER <= MC_1_12_2
+		WorldServer mcLevel = MINECRAFT.getIntegratedServer().getWorld(dimensionKey);
+		#else
+		ServerLevel mcLevel = MINECRAFT.getSingleplayerServer().getLevel(dimensionKey);
+		#endif
+		return ServerLevelWrapper.getWrapper(mcLevel);
+	}
+	
 	//endregion
 	
 	

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftRenderWrapper.java

@@ -22,6 +22,8 @@ package com.seibel.distanthorizons.common.wrappers.minecraft;
 import java.awt.Color;
 import java.util.concurrent.ConcurrentHashMap;
 
+import org.jetbrains.annotations.Nullable;
+
 #if MC_VER > MC_1_12_2
 import com.mojang.blaze3d.pipeline.RenderTarget;
 import com.mojang.blaze3d.platform.NativeImage;
@@ -30,20 +32,24 @@ import com.mojang.blaze3d.systems.RenderSystem;
 import com.seibel.distanthorizons.api.enums.config.EDhApiLodShading;
 import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
 import com.seibel.distanthorizons.common.wrappers.misc.LightMapWrapper;
-import com.seibel.distanthorizons.core.config.Config;
+import com.seibel.distanthorizons.core.api.internal.ClientApi;
 
 import com.seibel.distanthorizons.core.dependencyInjection.ModAccessorInjector;
-import com.seibel.distanthorizons.core.enums.EDhDirection;
+import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
 import com.seibel.distanthorizons.api.enums.config.EDhApiRenderingApi;
-import com.seibel.distanthorizons.coreapi.util.ColorUtil;
+import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.misc.ILightMapWrapper;
 
 #if MC_VER < MC_1_17_1
+#elif MC_VER < MC_1_21_3
+import net.minecraft.client.renderer.FogRenderer;
 #elif MC_VER < MC_1_21_6
+import com.seibel.distanthorizons.coreapi.util.ColorUtil;
 import net.minecraft.client.renderer.FogRenderer;
 import com.mojang.blaze3d.systems.RenderSystem;
 #else
+import com.seibel.distanthorizons.coreapi.util.ColorUtil;
 import net.minecraft.client.renderer.fog.FogData;
 import net.minecraft.client.renderer.fog.FogRenderer;
 #endif
@@ -60,6 +66,7 @@ import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
 import com.seibel.distanthorizons.core.util.math.Vec3d;
 import com.seibel.distanthorizons.core.util.math.Vec3f;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftRenderWrapper;
+import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IImmersivePortalsAccessor;
 import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IOptifineAccessor;
 
 #if MC_VER <= MC_1_12_2
@@ -101,6 +108,7 @@ import com.mojang.blaze3d.opengl.GlTexture;
 #else
 import net.minecraft.world.attribute.EnvironmentAttributes;
 import com.mojang.blaze3d.textures.GpuTexture;
+import org.joml.Vector4f;
 #endif
 
 /**
@@ -112,6 +120,7 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 	public static final MinecraftRenderWrapper INSTANCE = new MinecraftRenderWrapper();
 	
 	private static final IOptifineAccessor OPTIFINE_ACCESSOR = ModAccessorInjector.INSTANCE.get(IOptifineAccessor.class);
+	private static final IMinecraftClientWrapper MC_CLIENT = SingletonInjector.INSTANCE.get(IMinecraftClientWrapper.class);
 	
 	private static final DhLogger LOGGER = new DhLoggerBuilder().build();
 	
@@ -121,6 +130,12 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 	private static final Minecraft MC = Minecraft.getInstance();
 	#endif
 	
+	/** Delayed accessing is necessary since this object will be created before the mod accessors are bound. */
+	private static class DelayedAccessors 
+	{
+		public static final IImmersivePortalsAccessor IMMERSIVE_PORTALS = ModAccessorInjector.INSTANCE.get(IImmersivePortalsAccessor.class);
+	}
+	
 	/** 
 	 * In the case of immersive portals multiple levels may be active at once, causing conflicting lightmaps. <br> 
 	 * Requiring the use of multiple {@link LightMapWrapper}.
@@ -202,6 +217,12 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 	@Override
 	public Vec3d getCameraExactPosition()
 	{
+		if (DelayedAccessors.IMMERSIVE_PORTALS != null)
+		{
+			Vec3d cameraPos = DelayedAccessors.IMMERSIVE_PORTALS.getActualCameraPos();
+			if (cameraPos != null) return cameraPos;
+		}
+		
 		#if MC_VER <= MC_1_12_2
 		RenderManager rm = MC.getRenderManager();
 		return new Vec3d(rm.viewerPosX, rm.viewerPosY, rm.viewerPosZ);
@@ -571,9 +592,6 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 		#endif
 	}
 	
-	@Override
-	public ILightMapWrapper getLightmapWrapper(@NotNull ILevelWrapper level) { return this.lightmapByDimensionType.get(level.getDimensionType()); }
-	
 	@Override
 	public boolean isFogStateSpecial()
 	{
@@ -598,94 +616,90 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 		#endif
 	}
 	
+	
+	
+	//==========//
+	// lightmap //
+	//==========//
+	//region
+	
+	@Override
+	public ILightMapWrapper getLightmapWrapper(@NotNull ILevelWrapper level) { return this.lightmapByDimensionType.get(level.getDimensionType()); }
+	
 	/** 
-	 * It's better to use {@link MinecraftRenderWrapper#setLightmapId(int, IClientLevelWrapper)} if possible,
+	 * It's better to use {@link MinecraftRenderWrapper#setLightmapId(int)} if possible,
 	 * however old MC versions don't support it.
 	 */
 	#if MC_VER > MC_1_12_2
-	public void updateLightmap(NativeImage lightPixels, IClientLevelWrapper level)
+	public void updateLightmap(NativeImage lightPixels)
 	{
+		IClientLevelWrapper clientLevel = getLightmapClientLevelWrapper();
+		if (clientLevel == null)
+		{
+			return;
+		}
+		
 		// Using ClientLevelWrapper as the key would be better, but we don't have a consistent way to create the same
 		// object for the same MC level and/or the same hash,
 		// so this will have to do for now
-		IDimensionTypeWrapper dimensionType = level.getDimensionType();
+		IDimensionTypeWrapper dimensionType = clientLevel.getDimensionType();
 		
 		LightMapWrapper wrapper = this.lightmapByDimensionType.computeIfAbsent(dimensionType, (dimType) -> new LightMapWrapper());
 		wrapper.uploadLightmap(lightPixels);
 	}
 	#endif
 	
-	public void setLightmapId(int tetxureId, IClientLevelWrapper level)
+	public void setLightmapId(int textureId)
 	{
+		IClientLevelWrapper clientLevel = getLightmapClientLevelWrapper();
+		if (clientLevel == null)
+		{
+			return;
+		}
+		
 		// Using ClientLevelWrapper as the key would be better, but we don't have a consistent way to create the same
 		// object for the same MC level and/or the same hash,
 		// so this will have to do for now
-		IDimensionTypeWrapper dimensionType = level.getDimensionType();
+		IDimensionTypeWrapper dimensionType = clientLevel.getDimensionType();
 
 		LightMapWrapper wrapper = this.lightmapByDimensionType.computeIfAbsent(dimensionType, (dimType) -> new LightMapWrapper());
-		wrapper.setLightmapId(tetxureId);
+		wrapper.setLightmapId(textureId);
 	}
 	
 	#if MC_VER <= MC_1_21_10
 	#else
-	public void setLightmapGpuTexture(GpuTexture gpuTexture, IClientLevelWrapper level)
+	public void setLightmapGpuTexture(GpuTexture gpuTexture)
 	{
+		IClientLevelWrapper clientLevel = getLightmapClientLevelWrapper();
+		if (clientLevel == null)
+		{
+			return;
+		}
+	
 		// Using ClientLevelWrapper as the key would be better, but we don't have a consistent way to create the same
 		// object for the same MC level and/or the same hash,
 		// so this will have to do for now
-		IDimensionTypeWrapper dimensionType = level.getDimensionType();
+		IDimensionTypeWrapper dimensionType = clientLevel.getDimensionType();
 
 		LightMapWrapper wrapper = this.lightmapByDimensionType.computeIfAbsent(dimensionType, (dimType) -> new LightMapWrapper());
 		wrapper.setLightmapGpuTexture(gpuTexture);
 	}
 	#endif
 	
-	@Override
+	/** special logic is necessary in order for Immersive Portals to work correctly */
-	public float getShade(EDhDirection lodDirection)
+	private static @Nullable IClientLevelWrapper getLightmapClientLevelWrapper()
 	{
-		EDhApiLodShading lodShading = Config.Client.Advanced.Graphics.Quality.lodShading.get();
+		IClientLevelWrapper clientLevel = ClientApi.RENDER_STATE.clientLevelWrapper;
-		switch (lodShading)
+		if (clientLevel == null)
 		{
-			default:
+			clientLevel = MC_CLIENT.getWrappedClientLevel();
-			case AUTO:
-				#if MC_VER <= MC_1_12_2
-				// 1.12.2 has no getShade, fall through to ENABLED
-				#else
-				if (MC.level != null)
-				{
-					Direction mcDir = McObjectConverter.Convert(lodDirection);
-					#if MC_VER <= MC_1_21_11
-					return MC.level.getShade(mcDir, true);
-					#else
-					return MC.level.cardinalLighting().byFace(mcDir);
-					#endif
-				}
-				else
-				{
-					return 0.0f;
-				}
-				#endif
-			case ENABLED:
-				switch (lodDirection)
-				{
-					case DOWN:
-						return 0.5F;
-					default:
-					case UP:
-						return 1.0F;
-					case NORTH:
-					case SOUTH:
-						return 0.8F;
-					case WEST:
-					case EAST:
-						return 0.6F;
 		}
 		
-			case DISABLED:
+		return clientLevel;
-				return 1.0F;
-		}
 	}
 	
+	//endregion
+	
 	
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftServerWrapper.java

@@ -1,12 +1,34 @@
 package com.seibel.distanthorizons.common.wrappers.minecraft;
 
-import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftSharedWrapper;
+import com.seibel.distanthorizons.common.wrappers.world.ServerLevelWrapper;
+import com.seibel.distanthorizons.core.wrapperInterfaces.world.IServerLevelWrapper;
 import net.minecraft.server.dedicated.DedicatedServer;
 import org.jetbrains.annotations.Nullable;
 
+#if MC_VER > MC_1_12_2
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.Level;
+#else
+import net.minecraft.world.WorldServer;
+#endif
+
+#if  MC_VER <= MC_1_12_2
+#elif  MC_VER <= MC_1_21_10
+import net.minecraft.resources.ResourceLocation;
+#else
+import net.minecraft.resources.Identifier;
+#endif
+
+#if  MC_VER > MC_1_19_2
+import net.minecraft.core.registries.Registries;
+#elif MC_VER > MC_1_12_2
+import net.minecraft.core.Registry;
+#endif
+
 import java.io.File;
 
-public class MinecraftServerWrapper implements IMinecraftSharedWrapper
+public class MinecraftServerWrapper extends AbstractMinecraftSharedWrapper
 {
 	public static final MinecraftServerWrapper INSTANCE = new MinecraftServerWrapper();
 	
@@ -64,5 +86,23 @@ public class MinecraftServerWrapper implements IMinecraftSharedWrapper
 	}
 	
 	
+	@Nullable
+	@Override
+	public IServerLevelWrapper getWrappedServerLevelWithDimensionResourceLocation(String dimensionResourceLocation)
+	{
+		if (this.dedicatedServer == null)
+		{
+			throw new IllegalStateException("Trying to get the server mcLevel before dedicated server completed initialization!");
+		}
+		
+		ResourceKey<Level> dimensionKey = this.deserializeDimensionResourceKey(dimensionResourceLocation);
+		
+		#if MC_VER <= MC_1_12_2
+		WorldServer mcLevel = dedicatedServer.getWorld(dimensionKey);
+		#else
+		ServerLevel mcLevel = dedicatedServer.getLevel(dimensionKey);
+		#endif
+		return ServerLevelWrapper.getWrapper(mcLevel);
+	}
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/modAccessor/AbstractImmersivePortalsAccessorCommon.java

@@ -0,0 +1,76 @@
+/*
+ *    This file is part of the Distant Horizons mod
+ *    licensed under the GNU LGPL v3 License.
+ *
+ *    Copyright (C) 2020 James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.seibel.distanthorizons.common.wrappers.modAccessor;
+
+#if MC_VER <= MC_1_12_2
+public abstract class AbstractImmersivePortalsAccessorCommon {}
+
+#else
+import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
+import com.seibel.distanthorizons.core.pos.DhChunkPos;
+import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
+import com.seibel.distanthorizons.core.util.math.Vec3d;
+import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.AbstractImmersivePortalsAccessor;
+import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
+import net.minecraft.client.multiplayer.ClientLevel;
+import org.jetbrains.annotations.Nullable;
+
+#if MC_VER > MC_1_19_2
+import org.joml.Matrix4f;
+#else
+#endif
+
+#if MC_VER < MC_1_17_1
+import java.lang.reflect.Field;
+#endif
+
+public abstract class AbstractImmersivePortalsAccessorCommon extends AbstractImmersivePortalsAccessor
+{
+	// We don't use the fields in RenderStates because they are not volatile.
+	@Nullable
+	public static volatile ClientLevel actualLevel;
+	@Nullable
+	public static volatile DhBlockPos actualBlockPos;
+	@Nullable
+	public static volatile DhChunkPos actualChunkPos;
+	@Nullable
+	public static volatile Vec3d actualCameraPos;
+	
+	
+	
+	@Override
+	@Nullable
+	public DhBlockPos getActualPlayerBlockPos() { return actualBlockPos; }
+	
+	@Override
+	@Nullable
+	public DhChunkPos getActualPlayerChunkPos() { return actualChunkPos; }
+	
+	@Override
+	@Nullable
+	public IClientLevelWrapper getActualClientLevelWrapper() { return ClientLevelWrapper.getWrapper(actualLevel, false); }
+	
+	@Override
+	@Nullable
+	public Vec3d getActualCameraPos() { return actualCameraPos; }
+	
+}
+
+#endif

common/src/main/java/com/seibel/distanthorizons/common/wrappers/world/ClientLevelWrapper.java

@@ -1,5 +1,6 @@
 package com.seibel.distanthorizons.common.wrappers.world;
 
+import com.seibel.distanthorizons.api.enums.config.EDhApiLodShading;
 import com.seibel.distanthorizons.api.enums.worldGeneration.EDhApiLevelType;
 import com.seibel.distanthorizons.api.interfaces.block.IDhApiBiomeWrapper;
 import com.seibel.distanthorizons.api.interfaces.block.IDhApiBlockStateWrapper;
@@ -9,13 +10,20 @@ import com.seibel.distanthorizons.api.objects.data.IDhApiFullDataSource;
 import com.seibel.distanthorizons.common.wrappers.block.BiomeWrapper;
 import com.seibel.distanthorizons.common.wrappers.block.BlockStateWrapper;
 import com.seibel.distanthorizons.common.wrappers.block.ClientBlockStateColorCache;
+import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
+import com.seibel.distanthorizons.common.wrappers.level.KeyedClientLevelManager;
+import com.seibel.distanthorizons.core.api.internal.SharedApi;
+import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.dataObjects.fullData.sources.FullDataSourceV2;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
+import com.seibel.distanthorizons.core.enums.EDhDirection;
 import com.seibel.distanthorizons.core.level.*;
 import com.seibel.distanthorizons.core.level.IServerKeyedClientLevel;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
 import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
 import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPosMutable;
+import com.seibel.distanthorizons.core.util.TimerUtil;
+import com.seibel.distanthorizons.core.world.AbstractDhWorld;
 import com.seibel.distanthorizons.core.wrapperInterfaces.block.IBlockStateWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IBiomeWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
@@ -32,6 +40,7 @@ import net.minecraft.block.state.IBlockState;
 #else
 import net.minecraft.client.multiplayer.ClientLevel;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.level.block.state.BlockState;
 #endif
@@ -44,9 +53,7 @@ import java.awt.*;
 import java.io.File;
 import java.io.IOException;
 import java.lang.ref.WeakReference;
-import java.util.Collections;
+import java.util.*;
-import java.util.Map;
-import java.util.WeakHashMap;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Function;
 
@@ -80,7 +87,7 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	private static final Map<
 		#if MC_VER <= MC_1_12_2 WorldClient #else ClientLevel #endif, 
 		WeakReference<ClientLevelWrapper>> LEVEL_WRAPPER_REF_BY_CLIENT_LEVEL = Collections.synchronizedMap(new WeakHashMap<>());
-	private static final IKeyedClientLevelManager KEYED_CLIENT_LEVEL_MANAGER = SingletonInjector.INSTANCE.get(IKeyedClientLevelManager.class);
+	private static final KeyedClientLevelManager KEYED_CLIENT_LEVEL_MANAGER = KeyedClientLevelManager.INSTANCE;
 	
 	#if MC_VER <= MC_1_12_2
 	private static final Minecraft MINECRAFT = Minecraft.getMinecraft();
@@ -90,6 +97,12 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	
 	private static final ThreadLocal<DhBlockPosMutable> MUTABLE_BLOCK_POS_THREAD_LOCAL = ThreadLocal.withInitial(DhBlockPosMutable::new);
 	
+	private static final Timer CLIENT_CLEANUP_TIMER = TimerUtil.CreateTimer("ClientLevelTickCleanup");
+	private static final TimerTask CLIENT_CLEANUP_TASK = TimerUtil.createTimerTask(ClientLevelWrapper::tickCleanup);
+	
+	/** how long in milliseconds can a level be unused before it's automatically unloaded */
+	private static final long INACTIVE_TIME_BEFORE_UNLOADED_IN_MS = 30 * 1000;
+	
 	
 	
 	#if MC_VER <= MC_1_12_2
@@ -110,8 +123,9 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	
 	private boolean cloudColorFailLogged = false;
 	
-	private BlockStateWrapper dirtBlockWrapper;
+	private volatile BlockStateWrapper dirtBlockWrapper;
-	private IDhLevel dhLevel;
+	private volatile IDhLevel dhLevel;
+	private volatile long lastAccessTime = System.currentTimeMillis();
 	
 	
 	
@@ -126,11 +140,88 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	
 	
 	
-	//==================//
+	//======================//
-	// instance methods //
+	// inactivity unloading //
-	//==================//
+	//======================//
 	//region
 	
+	@Override
+	public synchronized void markAccessed() { this.lastAccessTime = System.currentTimeMillis(); }
+	public synchronized long getLastAccessTime() { return this.lastAccessTime; }
+	
+	static
+	{
+		// fire 20 times per second (i.e. 50ms interval)
+		CLIENT_CLEANUP_TIMER.scheduleAtFixedRate(CLIENT_CLEANUP_TASK, 0, 1000 / 20);
+	}
+	
+	public static void tickCleanup()
+	{
+		#if MC_VER <= MC_1_12_2
+		WorldClient clientLevel = MINECRAFT.world;
+		#else
+		ClientLevel clientLevel = MINECRAFT.level;
+		#endif
+		
+		if (clientLevel == null) 
+		{
+			return; 
+		}
+		
+		
+		
+		long currentTime = System.currentTimeMillis();
+		
+		ArrayList<ClientLevelWrapper> levelsToUnload = new ArrayList<>();
+		synchronized(LEVEL_WRAPPER_REF_BY_CLIENT_LEVEL) // should only be run on one thread at a time, but just in case
+		{
+			for (WeakReference<ClientLevelWrapper> ref : LEVEL_WRAPPER_REF_BY_CLIENT_LEVEL.values())
+			{
+				ClientLevelWrapper levelWrapper = ref.get();
+				if (levelWrapper != null 
+					&& levelWrapper.level != clientLevel)
+				{
+					// We use the synchronized getter to prevent race conditions with markAccessed()
+					long inactiveTimeMs = currentTime - levelWrapper.getLastAccessTime();
+					if (inactiveTimeMs > INACTIVE_TIME_BEFORE_UNLOADED_IN_MS)
+					{
+						levelsToUnload.add(levelWrapper);
+					}
+				}
+			}
+		}
+		
+		for (ClientLevelWrapper wrapper : levelsToUnload)
+		{
+			// Re-verify all conditions inside a synchronized block on the wrapper 
+			// to ensure atomicity with respect to markAccessed()
+			synchronized(wrapper)
+			{
+				long inactiveTimeMs = currentTime - wrapper.getLastAccessTime();
+				if (wrapper.level != clientLevel
+					&& inactiveTimeMs > INACTIVE_TIME_BEFORE_UNLOADED_IN_MS)
+				{
+					LOGGER.debug("Unloading level [" + wrapper.getDhIdentifier() + "] due to inactivity");
+					wrapper.tryUnloadFromWorld();
+				}
+			}
+		}
+	}
+	
+	//endregion
+	
+	
+	
+	//================//
+	// level handling //
+	//================//
+	//region
+	
+	@Override
+	public void setDhLevel(IDhLevel dhLevel) { this.dhLevel = dhLevel; }
+	@Override
+	public IDhLevel getDhLevel() { return this.dhLevel; }
+	
 	/** 
 	 * can be used when speed is important and the same level is likely to be passed in,
 	 * IE rendering.
@@ -140,10 +231,14 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 		@Nullable IClientLevelWrapper levelWrapper, 
 		@NotNull #if MC_VER <= MC_1_12_2 WorldClient #else ClientLevel #endif level)
 	{
-		if (KEYED_CLIENT_LEVEL_MANAGER.isEnabled() && KEYED_CLIENT_LEVEL_MANAGER.getServerKeyedLevel() != levelWrapper)
+		if (KEYED_CLIENT_LEVEL_MANAGER.isEnabled())
+		{
+			IServerKeyedClientLevel keyedLevel = KEYED_CLIENT_LEVEL_MANAGER.getServerKeyedLevel(level);
+			if (keyedLevel != levelWrapper)
 			{
 				return getWrapper(level);
 			}
+		}
 		
 		ClientLevelWrapper clientLevelWrapper = (ClientLevelWrapper)levelWrapper;
 		if (clientLevelWrapper == null
@@ -172,9 +267,28 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 			}
 			
 			// used if the client is connected to a server that defines the currently loaded level
-			IServerKeyedClientLevel overrideLevel = KEYED_CLIENT_LEVEL_MANAGER.getServerKeyedLevel();
+			IServerKeyedClientLevel overrideLevel = KEYED_CLIENT_LEVEL_MANAGER.getServerKeyedLevel(level);
 			if (overrideLevel != null)
 			{
+				// if the currently loaded level wrapper doesn't match what's incoming, unload it
+				WeakReference<ClientLevelWrapper> levelRef = LEVEL_WRAPPER_REF_BY_CLIENT_LEVEL.get(level);
+				if (levelRef != null 
+					&& levelRef.get() != overrideLevel)
+				{
+					ClientLevelWrapper levelWrapper = levelRef.get();
+					if (levelWrapper != null)
+					{
+						levelWrapper.tryUnloadFromWorld();
+					}
+					levelRef = null;
+				}
+				
+				if (levelRef == null 
+					&& overrideLevel instanceof ClientLevelWrapper)
+				{
+					LEVEL_WRAPPER_REF_BY_CLIENT_LEVEL.put(level, new WeakReference<>((ClientLevelWrapper) overrideLevel));
+				}
+				
 				return overrideLevel;
 			}
 		}
@@ -337,7 +451,7 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 		}
 		
 		#if MC_VER <= MC_1_12_2
-		this.dimensionName = this.level.provider.getDimensionType().getName();
+		this.dimensionName = this.level.provider.getDimensionType().getName() + ":" + this.level.provider.getDimension();
 		#elif MC_VER <= MC_1_21_10
 		this.dimensionName = this.level.dimension().location().toString();
 		#else
@@ -443,6 +557,15 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	@Override
 	public #if MC_VER <= MC_1_12_2 WorldClient #else ClientLevel #endif getWrappedMcObject() { return this.level; }
 	
+	private void tryUnloadFromWorld()
+	{
+		AbstractDhWorld world = SharedApi.getAbstractDhWorld();
+		if (world == null
+			|| !world.unloadLevel(this))
+		{
+			this.onUnload();
+		}
+	}
 	@Override
 	public void onUnload() 
 	{ 
@@ -504,16 +627,11 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	
 	
 	
-	//===================//
+	//===========//
-	// generic rendering //
+	// rendering //
-	//===================//
+	//===========//
 	//region
 	
-	@Override
-	public void setDhLevel(IDhLevel dhLevel) { this.dhLevel = dhLevel; }
-	@Override 
-	public IDhLevel getDhLevel() { return this.dhLevel; }
-	
 	@Override 
 	public IDhApiCustomRenderRegister getRenderRegister()
 	{
@@ -604,6 +722,45 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 		#endif
 	}
 	
+	@Override
+	public float getShade(EDhDirection lodDirection)
+	{
+		EDhApiLodShading lodShading = Config.Client.Advanced.Graphics.Quality.lodShading.get();
+		switch (lodShading)
+		{
+			default:
+			case AUTO:
+				#if MC_VER <= MC_1_12_2
+				// 1.12.2 level doesn't have a getShade method, fall through to ENABLED
+				#else
+					Direction mcDir = McObjectConverter.Convert(lodDirection);
+					#if MC_VER <= MC_1_21_11
+					return this.level.getShade(mcDir, true);
+					#else
+					return this.level.cardinalLighting().byFace(mcDir);
+					#endif
+				#endif
+			case ENABLED:
+				switch (lodDirection)
+				{
+					case DOWN:
+						return 0.5F;
+					default:
+					case UP:
+						return 1.0F;
+					case NORTH:
+					case SOUTH:
+						return 0.8F;
+					case WEST:
+					case EAST:
+						return 0.6F;
+				}
+			
+			case DISABLED:
+				return 1.0F;
+		}
+	}
+	
 	//endregion
 	
 	

common/src/main/java/com/seibel/distanthorizons/common/wrappers/world/ServerLevelWrapper.java

@@ -210,7 +210,7 @@ public class ServerLevelWrapper implements IServerLevelWrapper
 	public String getDimensionName()
 	{
 		#if MC_VER <= MC_1_12_2
-		return this.level.provider.getDimensionType().getName();
+		return this.level.provider.getDimensionType().getName() + ":" + this.level.provider.getDimension();
 		#elif MC_VER <= MC_1_21_10
 		return this.level.dimension().location().toString();
 		#else

fabric/build.gradle

@@ -46,28 +46,7 @@ dependencies {
     addMod("com.github.quiqueck:BCLib:${rootProject.bclib_version}", rootProject.enable_bclib)
     
     // Canvas
-    addMod("io.vram:canvas-fabric-${rootProject.canvas_version}", rootProject.enable_canvas)
+    addMod("io.vram:canvas-fabric-${project.canvas_version}", rootProject.enable_canvas)
-    
-    // Immersive Portals
-    if (rootProject.enable_immersive_portals == "1") {
-        modCompileOnly("com.github.iPortalTeam.ImmersivePortalsMod:imm_ptl_core:${rootProject.immersive_portals_version}")
-    }
-    else if (rootProject.enable_immersive_portals == "2") {
-        modImplementation ("com.github.iPortalTeam.ImmersivePortalsMod:imm_ptl_core:${rootProject.immersive_portals_version}") {
-            exclude(group: "net.fabricmc.fabric-api")
-            transitive(false)
-        }
-        modImplementation("com.github.iPortalTeam.ImmersivePortalsMod:q_misc_util:${rootProject.immersive_portals_version}") {
-            exclude(group: "net.fabricmc.fabric-api")
-            transitive(false)
-        }
-        modImplementation("com.github.iPortalTeam.ImmersivePortalsMod:build:${rootProject.immersive_portals_version}") {
-            exclude(group: "net.fabricmc.fabric-api")
-            transitive(false)
-        }
-        api("com.github.LlamaLad7:MixinExtras:0.2.0-beta.4")
-        annotationProcessor("com.github.LlamaLad7:MixinExtras:0.2.0-beta.4")
-    }
 }
 
 

fabric/src/main/java/com/seibel/distanthorizons/fabric/FabricMain.java

@@ -116,6 +116,7 @@ public class FabricMain extends AbstractModInitializer implements ClientModIniti
 		this.tryCreateModCompatAccessor("optifine", IOptifineAccessor.class, OptifineAccessor::new);
 		this.tryCreateModCompatAccessor("bclib", IBCLibAccessor.class, BCLibAccessor::new);
 		this.tryCreateModCompatAccessor("c2me", IC2meAccessor.class, C2meAccessor::new);
+		this.tryCreateModCompatAccessor("imm_ptl_core", IImmersivePortalsAccessor.class, ImmersivePortalsAccessorFabric::new);
 		#if MC_VER >= MC_1_19_4
 		// 1.19.4 is the lowest version Iris supports DH
 		this.tryCreateModCompatAccessor("iris", IIrisAccessor.class, IrisAccessor::new);

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/client/MixinClientPacketListener.java

@@ -32,7 +32,6 @@ public class MixinClientPacketListener
 	void onHandleLoginEnd(CallbackInfo ci) 
 	{ 
 		ClientApi.INSTANCE.onClientOnlyConnected();
-		ClientApi.INSTANCE.clientLevelLoadEvent(ClientLevelWrapper.getWrapper(this.level, true));
 	}
 		
 	#if MC_VER < MC_1_19_4
@@ -61,11 +60,12 @@ public class MixinClientPacketListener
 			return;
 		}
 		
-		
+		// Important to get the level from the chunk because the client level might be different if Immersive Portals is present.
+		ClientLevel clientLevel = (ClientLevel) chunk.getLevel();
 		executor.execute(() ->
 		{
-			IClientLevelWrapper clientLevel = ClientLevelWrapper.getWrapper((ClientLevel) this.level);
+			IClientLevelWrapper clientLevelWrapper = ClientLevelWrapper.getWrapper(clientLevel);
-			SharedApi.INSTANCE.applyChunkUpdate(new ChunkWrapper(chunk, clientLevel), clientLevel);
+			SharedApi.INSTANCE.applyChunkUpdate(new ChunkWrapper(chunk, clientLevelWrapper), clientLevelWrapper);
 		});
 	}
 

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/client/MixinImmersivePortalsRenderStates.java

@@ -0,0 +1,23 @@
+package com.seibel.distanthorizons.fabric.mixins.client;
+
+import com.seibel.distanthorizons.common.commonMixins.MixinImmersivePortalsRenderStatesCommon;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Pseudo
+#if MC_VER > MC_1_16_5
+@Mixin(targets = "qouteall.imm_ptl.core.render.context_management.RenderStates")
+#else
+@Mixin(targets = "com.qouteall.immersive_portals.render.context_management.RenderStates")
+#endif
+public class MixinImmersivePortalsRenderStates
+{
+	
+	@Inject(method = "updatePreRenderInfo", at = @At("HEAD"))
+	private static void preRender(CallbackInfo ci)
+	{ MixinImmersivePortalsRenderStatesCommon.saveVolatileOriginals(); }
+	
+}

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/client/MixinLevelRenderer.java

@@ -174,8 +174,6 @@ public class MixinLevelRenderer
 		ClientApi.RENDER_STATE.partialTickTime = MinecraftRenderWrapper.INSTANCE.getPartialTickTime();
 		ClientApi.RENDER_STATE.clientLevelWrapper = ClientLevelWrapper.getWrapperIfDifferent(ClientApi.RENDER_STATE.clientLevelWrapper, this.level);
 	    
-	    
-	    
 	    #if MC_VER < MC_1_21_6
 	    if (renderType.equals(RenderType.translucent())) 
 		{

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/client/MixinLightTexture.java

@@ -20,6 +20,7 @@
 package com.seibel.distanthorizons.fabric.mixins.client;
 
 import com.seibel.distanthorizons.common.wrappers.minecraft.MinecraftRenderWrapper;
+import com.seibel.distanthorizons.core.api.internal.ClientApi;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftRenderWrapper;
@@ -85,18 +86,6 @@ public class MixinLightTexture
 	public void render(LightmapRenderState renderState, CallbackInfo ci)
 	#endif
 	{
-		IMinecraftClientWrapper mc = SingletonInjector.INSTANCE.get(IMinecraftClientWrapper.class);
-		if (mc == null)
-		{
-			return;
-		}
-		
-		IClientLevelWrapper clientLevel = mc.getWrappedClientLevel();
-		if (clientLevel == null)
-		{
-			return;
-		}
-		
 		// lazy initialization to make sure we don't call this too early
 		if (this.renderWrapper == null)
 		{
@@ -105,29 +94,29 @@ public class MixinLightTexture
 		
 		
 		#if MC_VER < MC_1_21_3
-		this.renderWrapper.updateLightmap(this.lightPixels, clientLevel);
+		this.renderWrapper.updateLightmap(this.lightPixels);
 		#elif MC_VER < MC_1_21_5
-		this.renderWrapper.setLightmapId(this.target.getColorTextureId(), clientLevel);
+		this.renderWrapper.setLightmapId(this.target.getColorTextureId());
 		#elif MC_VER <= MC_1_21_10
 		GlTexture glTexture = (GlTexture) this.texture;
-		this.renderWrapper.setLightmapId(glTexture.glId(), clientLevel);
+		this.renderWrapper.setLightmapId(glTexture.glId());
 		#elif MC_VER <= MC_26_1_2
 		// both options are available since the renderer can be changed to either Blaze3D or OpenGL
 		GlTexture glTexture = (GlTexture) this.texture;
-		this.renderWrapper.setLightmapId(glTexture.glId(), clientLevel);
+		this.renderWrapper.setLightmapId(glTexture.glId());
 		
-		this.renderWrapper.setLightmapGpuTexture(this.texture, clientLevel);
+		this.renderWrapper.setLightmapGpuTexture(this.texture);
 		#else
 		
 		// this will only be used when using native GL rendering
 		if (this.texture instanceof GlTexture)
 		{
 			GlTexture glTexture = (GlTexture) this.texture;
-			this.renderWrapper.setLightmapId(glTexture.glId(), clientLevel);
+			this.renderWrapper.setLightmapId(glTexture.glId());
 		}
 		
 		// this will be used for Blaze3D OpenGL and Vulkan
-		this.renderWrapper.setLightmapGpuTexture(this.texture, clientLevel);
+		this.renderWrapper.setLightmapGpuTexture(this.texture);
 		#endif
 	}
 	

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/client/MixinMinecraft.java

@@ -3,8 +3,6 @@ package com.seibel.distanthorizons.fabric.mixins.client;
 import com.seibel.distanthorizons.api.enums.config.EDhApiUpdateBranch;
 import com.seibel.distanthorizons.common.commonMixins.DhUpdateScreenBase;
 import com.seibel.distanthorizons.common.wrappers.gui.updater.UpdateModScreen;
-import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
-import com.seibel.distanthorizons.core.api.internal.ClientApi;
 import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.jar.installer.GitlabGetter;
@@ -107,22 +105,6 @@ public abstract class MixinMinecraft
 	}
 	#endif
 	
-	@Inject(at = @At("HEAD"), method = "updateLevelInEngines")
-	public void updateLevelInEngines(ClientLevel level, CallbackInfo ci)
-	{
-		if (this.lastLevel != null && level != this.lastLevel)
-		{
-			ClientApi.INSTANCE.clientLevelUnloadEvent(ClientLevelWrapper.getWrapper(this.lastLevel));
-		}
-		
-		if (level != null)
-		{
-			ClientApi.INSTANCE.clientLevelLoadEvent(ClientLevelWrapper.getWrapper(level, true));
-		}
-		
-		this.lastLevel = level;
-	}
-	
 	@Inject(at = @At("HEAD"), method = "close()V")
 	public void close(CallbackInfo ci) { SelfUpdater.onClose(); }
 	

fabric/src/main/java/com/seibel/distanthorizons/fabric/wrappers/modAccessor/ImmersivePortalsAccessorFabric.java

@@ -0,0 +1,27 @@
+/*
+ *    This file is part of the Distant Horizons mod
+ *    licensed under the GNU LGPL v3 License.
+ *
+ *    Copyright (C) 2020 James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.seibel.distanthorizons.fabric.wrappers.modAccessor;
+
+import com.seibel.distanthorizons.common.wrappers.modAccessor.AbstractImmersivePortalsAccessorCommon;
+
+public class ImmersivePortalsAccessorFabric extends AbstractImmersivePortalsAccessorCommon
+{
+	
+}

forge/src/main/java/com/seibel/distanthorizons/forge/ForgeClientProxy.java

@@ -106,60 +106,6 @@ public class ForgeClientProxy implements AbstractModInitializer.IEventProxy
 	}
 	
 	
-	
-	//==============//
-	// world events //
-	//==============//
-	
-	@SubscribeEvent
-	#if MC_VER < MC_1_19_2
-	public void clientLevelLoadEvent(WorldEvent.Load event)
-	#else
-	public void clientLevelLoadEvent(LevelEvent.Load event)
-	#endif
-	{
-		LOGGER.info("level load");
-		
-		#if MC_VER < MC_1_19_2
-		LevelAccessor level = event.getWorld();
-		#else
-		LevelAccessor level = event.getLevel();
-		#endif
-		if (!(level instanceof ClientLevel))
-		{
-			return;
-		}
-		
-		ClientLevel clientLevel = (ClientLevel) level;
-		IClientLevelWrapper clientLevelWrapper = ClientLevelWrapper.getWrapper(clientLevel, true);
-		ClientApi.INSTANCE.clientLevelLoadEvent(clientLevelWrapper);
-	}
-	@SubscribeEvent
-	#if MC_VER < MC_1_19_2
-	public void clientLevelUnloadEvent(WorldEvent.Unload event)
-	#else
-	public void clientLevelUnloadEvent(LevelEvent.Unload event)
-	#endif
-	{
-		LOGGER.info("level unload");
-		
-		#if MC_VER < MC_1_19_2
-		LevelAccessor level = event.getWorld();
-		#else
-		LevelAccessor level = event.getLevel();
-		#endif
-		if (!(level instanceof ClientLevel))
-		{
-			return;
-		}
-		
-		ClientLevel clientLevel = (ClientLevel) level;
-		IClientLevelWrapper clientLevelWrapper = ClientLevelWrapper.getWrapper(clientLevel);
-		ClientApi.INSTANCE.clientLevelUnloadEvent(clientLevelWrapper);
-	}
-	
-	
-	
 	//==============//
 	// chunk events //
 	//==============//

forge/src/main/java/com/seibel/distanthorizons/forge/ForgeMain.java

@@ -22,13 +22,13 @@ package com.seibel.distanthorizons.forge;
 import com.mojang.brigadier.CommandDispatcher;
 import com.seibel.distanthorizons.common.AbstractModInitializer;
 import com.seibel.distanthorizons.common.wrappers.gui.GetConfigScreen;
+import com.seibel.distanthorizons.core.dependencyInjection.ModAccessorInjector;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.wrapperInterfaces.misc.IPluginPacketSender;
-import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IIrisAccessor;
+import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.*;
-import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IModChecker;
 import com.seibel.distanthorizons.coreapi.ModInfo;
-import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IOptifineAccessor;
 
+import com.seibel.distanthorizons.forge.wrappers.modAccessor.ImmersivePortalsAccessorForge;
 import com.seibel.distanthorizons.forge.wrappers.modAccessor.ModChecker;
 import com.seibel.distanthorizons.forge.wrappers.modAccessor.OptifineAccessor;
 import com.seibel.distanthorizons.forge.wrappers.modAccessor.OculusAccessor;
@@ -104,6 +104,18 @@ public class ForgeMain extends AbstractModInitializer
 	{
 		this.tryCreateModCompatAccessor("optifine", IOptifineAccessor.class, OptifineAccessor::new);
 		this.tryCreateModCompatAccessor("oculus", IIrisAccessor.class, OculusAccessor::new);
+		IModChecker modChecker = SingletonInjector.INSTANCE.get(IModChecker.class);
+		
+		// We ideally want to detect imm_ptl_core, but 1.16.5 doesn't provide that mod id.
+		if (modChecker.isModLoaded("imm_ptl_core") 
+			|| modChecker.isModLoaded("immersive_portals"))
+		{
+			ModAccessorInjector.INSTANCE.bind(IImmersivePortalsAccessor.class, new ImmersivePortalsAccessorForge());
+		}
+		else
+		{
+			LOGGER.debug("Skipping mod compatibility accessor for: Immersive Portals");
+		}
 		
 		#if MC_VER < MC_1_17_1
 		ModLoadingContext.get().registerExtensionPoint(ExtensionPoint.CONFIGGUIFACTORY,

forge/src/main/java/com/seibel/distanthorizons/forge/mixins/client/MixinFogRenderer.java

@@ -45,15 +45,7 @@ public class MixinFogRenderer
 			remap = #if MC_VER == MC_1_17_1 || MC_VER == MC_1_18_2 false #else true #endif ) // Remap messiness due to this being weird in forge
 	private static void disableSetupFog(Camera camera, FogMode fogMode, float f, boolean bl, float partTick, CallbackInfo callback)
 	{
-		#if MC_VER < MC_1_21_6
+		if (MixinVanillaFogCommon.cancelFog(camera, fogMode))
-		boolean cancelFog = MixinVanillaFogCommon.cancelFog(camera, fogMode);
-		#elif MC_VER < MC_1_21_6
-		boolean cancelFog = MixinVanillaFogCommon.cancelFog(camera);
-		#else
-		boolean cancelFog = MixinVanillaFogCommon.cancelFog();
-		#endif
-		
-		if (cancelFog)
 		{
 			#if MC_VER < MC_1_17_1
 			RenderSystem.fogStart(A_REALLY_REALLY_BIG_VALUE);

forge/src/main/java/com/seibel/distanthorizons/forge/mixins/client/MixinImmersivePortalsRenderStates.java

@@ -0,0 +1,23 @@
+package com.seibel.distanthorizons.forge.mixins.client;
+
+import com.seibel.distanthorizons.common.commonMixins.MixinImmersivePortalsRenderStatesCommon;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Pseudo
+#if MC_VER > MC_1_16_5
+@Mixin(targets = "qouteall.imm_ptl.core.render.context_management.RenderStates")
+#else
+@Mixin(targets = "com.qouteall.immersive_portals.render.context_management.RenderStates")
+#endif
+public class MixinImmersivePortalsRenderStates
+{
+	
+	@Inject(method = "updatePreRenderInfo", at = @At("HEAD"))
+	private static void preRender(CallbackInfo ci)
+	{ MixinImmersivePortalsRenderStatesCommon.saveVolatileOriginals(); }
+	
+}

forge/src/main/java/com/seibel/distanthorizons/forge/mixins/client/MixinLightTexture.java

@@ -46,14 +46,7 @@ public class MixinLightTexture
 	@Inject(method = "updateLightTexture(F)V", at = @At("RETURN"))
 	public void updateLightTexture(float partialTicks, CallbackInfo ci)
 	{
-		IMinecraftClientWrapper mc = SingletonInjector.INSTANCE.get(IMinecraftClientWrapper.class);
+		MinecraftRenderWrapper.INSTANCE.updateLightmap(this.lightPixels);
-		if (mc == null || mc.getWrappedClientLevel() == null)
-		{
-			return;
-		}
-		
-		IClientLevelWrapper clientLevel = mc.getWrappedClientLevel();
-		MinecraftRenderWrapper.INSTANCE.updateLightmap(this.lightPixels, clientLevel);
 	}
 	
 }

forge/src/main/java/com/seibel/distanthorizons/forge/wrappers/modAccessor/ImmersivePortalsAccessorForge.java

@@ -0,0 +1,27 @@
+/*
+ *    This file is part of the Distant Horizons mod
+ *    licensed under the GNU LGPL v3 License.
+ *
+ *    Copyright (C) 2020 James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.seibel.distanthorizons.forge.wrappers.modAccessor;
+
+import com.seibel.distanthorizons.common.wrappers.modAccessor.AbstractImmersivePortalsAccessorCommon;
+
+public class ImmersivePortalsAccessorForge extends AbstractImmersivePortalsAccessorCommon
+{
+	
+}

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/NeoforgeClientProxy.java

@@ -30,14 +30,12 @@ import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
 import com.seibel.distanthorizons.core.util.threading.ThreadPoolUtil;
 
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
-import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
 import net.minecraft.world.level.LevelAccessor;
 
 import net.minecraft.client.multiplayer.ClientLevel;
 import net.neoforged.neoforge.client.event.RenderLevelStageEvent;
 import net.neoforged.neoforge.common.NeoForge;
-import net.neoforged.neoforge.event.level.LevelEvent;
 
 import net.neoforged.neoforge.event.entity.player.PlayerInteractEvent;
 import net.minecraft.world.level.chunk.ChunkAccess;
@@ -52,13 +50,7 @@ import net.neoforged.neoforge.client.event.InputEvent;
 import net.neoforged.bus.api.SubscribeEvent;
 import org.lwjgl.opengl.GL32;
 
-#if MC_VER < MC_1_20_6
-import net.neoforged.neoforge.event.TickEvent;
-#else
-import net.neoforged.neoforge.client.event.ClientTickEvent;
-
 import java.util.concurrent.AbstractExecutorService;
-#endif
 
 
 public class NeoforgeClientProxy implements AbstractModInitializer.IEventProxy
@@ -73,43 +65,6 @@ public class NeoforgeClientProxy implements AbstractModInitializer.IEventProxy
 	
 	
 	
-	//==============//
-	// world events //
-	//==============//
-	
-	@SubscribeEvent
-	public void clientLevelLoadEvent(LevelEvent.Load event)
-	{
-		LOGGER.info("level load");
-		
-		LevelAccessor level = event.getLevel();
-		if (!(level instanceof ClientLevel))
-		{
-			return;
-		}
-		
-		ClientLevel clientLevel = (ClientLevel) level;
-		IClientLevelWrapper clientLevelWrapper = ClientLevelWrapper.getWrapper(clientLevel, true);
-		ClientApi.INSTANCE.clientLevelLoadEvent(clientLevelWrapper);
-	}
-	@SubscribeEvent
-	public void clientLevelUnloadEvent(LevelEvent.Unload event)
-	{
-		LOGGER.info("level unload");
-		
-		LevelAccessor level = event.getLevel();
-		if (!(level instanceof ClientLevel))
-		{
-			return;
-		}
-		
-		ClientLevel clientLevel = (ClientLevel) level;
-		IClientLevelWrapper clientLevelWrapper = ClientLevelWrapper.getWrapper(clientLevel);
-		ClientApi.INSTANCE.clientLevelUnloadEvent(clientLevelWrapper);
-	}
-	
-	
-	
 	//==============//
 	// chunk events //
 	//==============//
@@ -163,11 +118,16 @@ public class NeoforgeClientProxy implements AbstractModInitializer.IEventProxy
 					//LOGGER.trace("break or block attack at blockPos: " + event.getPos());
 					
 					ChunkAccess chunk = level.getChunk(event.getPos());
-					SharedApi.INSTANCE.applyChunkUpdate(new ChunkWrapper(chunk, wrappedLevel), wrappedLevel);
+					this.onBlockChangeEvent(level, chunk);
 				});
 			}
 		}
 	}
+	private void onBlockChangeEvent(LevelAccessor level, ChunkAccess chunk)
+	{
+		ILevelWrapper wrappedLevel = ProxyUtil.getLevelWrapper(level);
+		SharedApi.INSTANCE.applyChunkUpdate(new ChunkWrapper(chunk, wrappedLevel), wrappedLevel);
+	}
 	
 	
 	
@@ -261,7 +221,6 @@ public class NeoforgeClientProxy implements AbstractModInitializer.IEventProxy
 		// handled via the same mixin as fabric for consistency
 		#endif
 
-		
 		try
 		{
 			// should generally only need to be set once per game session

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/NeoforgeMain.java

@@ -30,16 +30,10 @@ import com.seibel.distanthorizons.core.network.messages.AbstractNetworkMessage;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftRenderWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.misc.IPluginPacketSender;
 import com.seibel.distanthorizons.core.wrapperInterfaces.misc.IServerPlayerWrapper;
-import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IC2meAccessor;
+import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.*;
-import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IIrisAccessor;
-import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IModChecker;
-import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IOptifineAccessor;
 import com.seibel.distanthorizons.coreapi.ModInfo;
-import com.seibel.distanthorizons.neoforge.wrappers.modAccessor.C2meAccessor;
+import com.seibel.distanthorizons.neoforge.wrappers.modAccessor.*;
-import com.seibel.distanthorizons.neoforge.wrappers.modAccessor.IrisAccessor;
 import com.seibel.distanthorizons.neoforge.wrappers.NeoforgeMinecraftRenderWrapper;
-import com.seibel.distanthorizons.neoforge.wrappers.modAccessor.ModChecker;
-import com.seibel.distanthorizons.neoforge.wrappers.modAccessor.OptifineAccessor;
 import net.minecraft.commands.CommandSourceStack;
 import net.minecraft.server.MinecraftServer;
 import net.neoforged.bus.api.EventPriority;
@@ -148,6 +142,7 @@ public class NeoforgeMain extends AbstractModInitializer
 	{
 		this.tryCreateModCompatAccessor("optifine", IOptifineAccessor.class, OptifineAccessor::new);
 		this.tryCreateModCompatAccessor("c2me", IC2meAccessor.class, C2meAccessor::new);
+		this.tryCreateModCompatAccessor("immersive_portals_core", IImmersivePortalsAccessor.class, ImmersivePortalsAccessorNeoForge::new);
 		
 		#if MC_VER >= MC_1_20_6
 		// 1.20.6 is the lowest version Iris supports Neoforge

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/mixins/client/MixinClientPacketListener.java

@@ -1,11 +1,8 @@
 package com.seibel.distanthorizons.neoforge.mixins.client;
 
-import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
 import com.seibel.distanthorizons.core.api.internal.ClientApi;
-import net.minecraft.client.multiplayer.ClientLevel;
 import net.minecraft.client.multiplayer.ClientPacketListener;
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
@@ -13,14 +10,10 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 @Mixin(ClientPacketListener.class)
 public class MixinClientPacketListener
 {
-	@Shadow
-	private ClientLevel level;
-	
 	@Inject(method = "handleLogin", at = @At("RETURN"))
 	void onHandleLoginEnd(CallbackInfo ci)
 	{
 		ClientApi.INSTANCE.onClientOnlyConnected();
-		ClientApi.INSTANCE.clientLevelLoadEvent(ClientLevelWrapper.getWrapper(this.level, true));
 	}
 	
 	#if MC_VER < MC_1_19_4

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/mixins/client/MixinImmersivePortalsRenderStates.java

@@ -0,0 +1,19 @@
+package com.seibel.distanthorizons.neoforge.mixins.client;
+
+import com.seibel.distanthorizons.common.commonMixins.MixinImmersivePortalsRenderStatesCommon;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Pseudo
+@Mixin(targets = "qouteall.imm_ptl.core.render.context_management.RenderStates")
+public class MixinImmersivePortalsRenderStates
+{
+	
+	@Inject(method = "updatePreRenderInfo", at = @At("HEAD"))
+	private static void preRender(CallbackInfo ci)
+	{ MixinImmersivePortalsRenderStatesCommon.saveVolatileOriginals(); }
+	
+}

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/mixins/client/MixinLightTexture.java

@@ -90,18 +90,6 @@ public class MixinLightTexture
 	public void render(LightmapRenderState renderState, CallbackInfo ci)
 	#endif
 	{
-		IMinecraftClientWrapper mc = SingletonInjector.INSTANCE.get(IMinecraftClientWrapper.class);
-		if (mc == null || mc.getWrappedClientLevel() == null)
-		{
-			return;
-		}
-		
-		IClientLevelWrapper clientLevel = mc.getWrappedClientLevel();
-		if (clientLevel == null)
-		{
-			return;
-		}
-		
 		// lazy initialization to make sure we don't call this too early
 		if (this.renderWrapper == null)
 		{
@@ -110,21 +98,21 @@ public class MixinLightTexture
 		
 		
 		#if MC_VER < MC_1_21_3
-		renderWrapper.updateLightmap(this.lightPixels, clientLevel);
+		renderWrapper.updateLightmap(this.lightPixels);
 		#elif MC_VER < MC_1_21_5
-		renderWrapper.setLightmapId(this.target.getColorTextureId(), clientLevel);
+		renderWrapper.setLightmapId(this.target.getColorTextureId());
 		#elif MC_VER < MC_1_21_9
 		GlTexture glTexture = (GlTexture) this.texture;
-		renderWrapper.setLightmapId(glTexture.glId(), clientLevel);
+		renderWrapper.setLightmapId(glTexture.glId());
 		#elif MC_VER <= MC_1_21_10
 		GlTexture glTexture = (GlTexture) this.texture;
-		renderWrapper.setLightmapId(glTexture.glId(), clientLevel);
+		renderWrapper.setLightmapId(glTexture.glId());
 		#else
 		// both options are available since the renderer can be changed to either Blaze3D or OpenGL
 		int id = NeoforgeTextureUnwrapper.getGlTextureIdFromGpuTexture(this.texture);
-		renderWrapper.setLightmapId(id, clientLevel);
+		renderWrapper.setLightmapId(id);
 		
-		renderWrapper.setLightmapGpuTexture(this.texture, clientLevel);
+		renderWrapper.setLightmapGpuTexture(this.texture);
 		#endif
 	}
 	

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/wrappers/modAccessor/ImmersivePortalsAccessorNeoForge.java

@@ -0,0 +1,26 @@
+/*
+ *    This file is part of the Distant Horizons mod
+ *    licensed under the GNU LGPL v3 License.
+ *
+ *    Copyright (C) 2020 James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.seibel.distanthorizons.neoforge.wrappers.modAccessor;
+
+import com.seibel.distanthorizons.common.wrappers.modAccessor.AbstractImmersivePortalsAccessorCommon;
+
+public class ImmersivePortalsAccessorNeoForge extends AbstractImmersivePortalsAccessorCommon
+{
+}

versionProperties/1.16.5.properties

@@ -25,7 +25,6 @@ fabric_api_version=0.42.0+1.16
     sodium_version=mc1.16.5-0.2.0
     iris_version=1.4.4+1.16.5
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # iris - needs 1.7.4+ to support the DH API
@@ -44,7 +43,6 @@ fabric_api_version=0.42.0+1.16
     enable_iris=1
     # not available via github, use curse.maven if necessary
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # Forge loader

versionProperties/1.17.1.properties

@@ -25,7 +25,6 @@ fabric_api_version=0.46.1+1.17
     sodium_version=mc1.17.1-0.3.4
     iris_version=1.17.x-v1.2.7
     bclib_version=0.5.5
-    immersive_portals_version=
     canvas_version=
 
     # iris - needs 1.7.4+ to support the DH API
@@ -43,7 +42,6 @@ fabric_api_version=0.46.1+1.17
     enable_sodium=1
     enable_iris=0
     enable_bclib=1
-    enable_immersive_portals=0
     enable_canvas=0
 
 # Forge loader

versionProperties/1.18.2.properties

@@ -26,7 +26,6 @@ fabric_api_version=0.76.0+1.18.2
     sodium_version=mc1.18.2-0.4.1
     iris_version=1.6.10+1.18.2
     bclib_version=1.4.6
-    immersive_portals_version=v1.4.11-1.18
     canvas_version=mc118:1.0.2616
 
     # iris - needs 1.7.4+ to support the DH API
@@ -44,7 +43,6 @@ fabric_api_version=0.76.0+1.18.2
     enable_lithium=0
     enable_iris=1
     enable_bclib=1
-    enable_immersive_portals=0
     enable_canvas=0
 
 quilt_loader_version=0.19.1

versionProperties/1.19.2.properties

@@ -24,7 +24,6 @@ fabric_api_version=0.76.1+1.19.2
     sodium_version=mc1.19.2-0.4.4
     iris_version=1.6.10+1.19.2
     bclib_version=2.1.6
-    immersive_portals_version=
     canvas_version=mc119-1.0.2480
 
     # iris - needs 1.7.4+ to support the DH API
@@ -42,7 +41,6 @@ fabric_api_version=0.76.1+1.19.2
     enable_lithium=0
     enable_iris=1
     enable_bclib=1
-    enable_immersive_portals=0
     enable_canvas=0
 
 # Forge loader

versionProperties/1.19.4.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.87.1+1.19.4
     sodium_version=mc1.19.4-0.4.10
     iris_version=1.6.10+1.19.4
     bclib_version=2.3.3
-    immersive_portals_version=
     canvas_version=
 
     # iris - needs 1.7.4+ to support the DH API
@@ -41,7 +40,6 @@ fabric_api_version=0.87.1+1.19.4
     enable_lithium=0
     enable_iris=1
     enable_bclib=1
-    enable_immersive_portals=0
     enable_canvas=0
 
 # Forge loader

versionProperties/1.20.1.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.92.6+1.20.1
     sodium_version=mc1.20.1-0.5.3
     iris_version=1.6.10+1.20.1
     bclib_version=3.0.13
-    immersive_portals_version=
     canvas_version=
 
     # iris - needs 1.7.4+ to support the DH API
@@ -42,7 +41,6 @@ fabric_api_version=0.92.6+1.20.1
     enable_lithium=0
     enable_iris=1
     enable_bclib=1
-    enable_immersive_portals=0
     enable_canvas=0
 
 # Forge loader

versionProperties/1.20.2.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.90.4+1.20.2
     sodium_version=mc1.20.2-0.5.3
     iris_version=1.6.10+1.20.2
     bclib_version=3.0.13
-    immersive_portals_version=
     canvas_version=
 
     # iris - needs 1.7.4+ to support the DH API
@@ -42,7 +41,6 @@ fabric_api_version=0.90.4+1.20.2
     enable_lithium=0
     enable_iris=1
     enable_bclib=1
-    enable_immersive_portals=0
     enable_canvas=0
 
 # Forge loader

versionProperties/1.20.4.properties

@@ -24,7 +24,6 @@ fabric_api_version=0.91.2+1.20.4
     sodium_version=mc1.20.3-0.5.4
     iris_version=1.6.13+1.20.4
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # iris - needs 1.7.4+ to support the DH API
@@ -43,7 +42,6 @@ fabric_api_version=0.91.2+1.20.4
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # Forge loader

versionProperties/1.20.6.properties

@@ -24,7 +24,6 @@ fabric_api_version=0.97.8+1.20.6
     sodium_version=mc1.20.6-0.5.8
     iris_version=1.7.0+1.20.6
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # iris - needs 1.7.4+ to support the DH API
@@ -43,7 +42,6 @@ fabric_api_version=0.97.8+1.20.6
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.1.properties

@@ -24,7 +24,6 @@ fabric_api_version=0.116.11+1.21.1
     sodium_version=mc1.21.1-0.6.2-fabric
     iris_version=1.8.1+1.21.1-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # iris - needs 1.7.4+ to support the DH API
@@ -43,7 +42,6 @@ fabric_api_version=0.116.11+1.21.1
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.10.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.138.4+1.21.10
     sodium_version=mc1.21.10-0.7.2-fabric
     iris_version=1.9.6+1.21.10-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # vertigo - prevents DH from seeing the full chunk, causing holes
@@ -41,7 +40,6 @@ fabric_api_version=0.138.4+1.21.10
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.11.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.139.4+1.21.11
     sodium_version=mc1.21.11-0.8.0-fabric
     iris_version=1.10.0+1.21.11-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # vertigo - prevents DH from seeing the full chunk, causing holes
@@ -41,7 +40,6 @@ fabric_api_version=0.139.4+1.21.11
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.3.properties

@@ -24,7 +24,6 @@ fabric_api_version=0.110.0+1.21.3
     sodium_version=mc1.21.3-0.6.0-fabric
     iris_version=1.8.0+1.21.3-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
     
     # fabric-api 0.110.0 fixed a bug in MC 1.21.3 with the rendering API DH relied on
@@ -43,7 +42,6 @@ fabric_api_version=0.110.0+1.21.3
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.4.properties

@@ -24,7 +24,6 @@ fabric_api_version=0.110.5+1.21.4
     sodium_version=mc1.21.4-0.6.2-fabric
     iris_version=1.8.2+1.21.4-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # vertigo - prevents DH from seeing the full chunk, causing holes
@@ -42,7 +41,6 @@ fabric_api_version=0.110.5+1.21.4
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.5.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.119.5+1.21.5
     sodium_version=mc1.21.5-0.6.11-fabric
     iris_version=1.8.10+1.21.5-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
     
     # Iris - some versions of 1.8.11 nightly builds may not work, but the ones after 2025-03-30 should
@@ -42,7 +41,6 @@ fabric_api_version=0.119.5+1.21.5
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.6.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.127.0+1.21.6
     sodium_version=mc1.21.6-0.6.13-fabric
     iris_version=1.9.0+1.21.6-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # vertigo - prevents DH from seeing the full chunk, causing holes
@@ -41,7 +40,6 @@ fabric_api_version=0.127.0+1.21.6
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.8.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.133.4+1.21.8
     sodium_version=mc1.21.6-0.6.13-fabric
     iris_version=1.9.1+1.21.7-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # vertigo - prevents DH from seeing the full chunk, causing holes
@@ -41,7 +40,6 @@ fabric_api_version=0.133.4+1.21.8
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader

versionProperties/1.21.9.properties

@@ -23,7 +23,6 @@ fabric_api_version=0.134.0+1.21.9
     sodium_version=mc1.21.10-0.7.2-fabric
     iris_version=1.9.3+1.21.9-fabric
     bclib_version=
-    immersive_portals_version=
     canvas_version=
 
     # vertigo - prevents DH from seeing the full chunk, causing holes
@@ -41,7 +40,6 @@ fabric_api_version=0.134.0+1.21.9
     enable_lithium=0
     enable_iris=1
     enable_bclib=0
-    enable_immersive_portals=0
     enable_canvas=0
 
 # NeoForge loader