Most of Fabric

- Organize almost all remaining code into one of four modules
- Fix some incorrect inter-module dependencies
- Get Fabric into a working state
  - The config, client commands, and model builders are still missing and registry freezing happens too late

common/src/main/java/com/jozufozu/flywheel/Flywheel.java

@@ -3,49 +3,16 @@ package com.jozufozu.flywheel;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.jozufozu.flywheel.backend.Backends;
-import com.jozufozu.flywheel.backend.ShaderIndices;
-import com.jozufozu.flywheel.impl.BackendManagerImpl;
-import com.jozufozu.flywheel.impl.registry.IdRegistryImpl;
-import com.jozufozu.flywheel.impl.registry.RegistryImpl;
-import com.jozufozu.flywheel.lib.instance.InstanceTypes;
-import com.jozufozu.flywheel.lib.material.CutoutShaders;
-import com.jozufozu.flywheel.lib.material.FogShaders;
-import com.jozufozu.flywheel.lib.material.StandardMaterialShaders;
-import com.jozufozu.flywheel.lib.util.ShadersModHandler;
-import com.jozufozu.flywheel.vanilla.VanillaVisuals;
-
 import net.minecraft.resources.ResourceLocation;
 
-public class Flywheel {
+public final class Flywheel {
 	public static final String ID = "flywheel";
 	public static final Logger LOGGER = LoggerFactory.getLogger(ID);
 
+	private Flywheel() {
+	}
+
 	public static ResourceLocation rl(String path) {
 		return new ResourceLocation(ID, path);
 	}
-
-	public static void earlyInit() {
-		BackendManagerImpl.init();
-
-		ShadersModHandler.init();
-
-		Backends.init();
-	}
-
-	public static void init() {
-		InstanceTypes.init();
-		CutoutShaders.init();
-		FogShaders.init();
-		StandardMaterialShaders.init();
-
-		ShaderIndices.init();
-
-		VanillaVisuals.init();
-	}
-
-	public static void freeze() {
-		RegistryImpl.freezeAll();
-		IdRegistryImpl.freezeAll();
-	}
 }

common/src/main/java/com/jozufozu/flywheel/api/backend/Backend.java

@@ -1,14 +1,14 @@
 package com.jozufozu.flywheel.api.backend;
 
 import com.jozufozu.flywheel.api.BackendImplemented;
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 import com.jozufozu.flywheel.api.registry.IdRegistry;
 
 import net.minecraft.world.level.LevelAccessor;
 
 @BackendImplemented
 public interface Backend {
-	static IdRegistry<Backend> REGISTRY = InternalFlywheelApi.INSTANCE.createIdRegistry();
+	static IdRegistry<Backend> REGISTRY = FlwApiLink.INSTANCE.createIdRegistry();
 
 	/**
 	 * Create a new engine instance.

common/src/main/java/com/jozufozu/flywheel/api/backend/BackendManager.java

@@ -1,6 +1,6 @@
 package com.jozufozu.flywheel.api.backend;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 
 public final class BackendManager {
 	private BackendManager() {
@@ -10,18 +10,18 @@ public final class BackendManager {
 	 * Get the current backend.
 	 */
 	public static Backend getBackend() {
-		return InternalFlywheelApi.INSTANCE.getBackend();
+		return FlwApiLink.INSTANCE.getBackend();
 	}
 
 	public static boolean isBackendOn() {
-		return InternalFlywheelApi.INSTANCE.isBackendOn();
+		return FlwApiLink.INSTANCE.isBackendOn();
 	}
 
 	public static Backend getOffBackend() {
-		return InternalFlywheelApi.INSTANCE.getOffBackend();
+		return FlwApiLink.INSTANCE.getOffBackend();
 	}
 
 	public static Backend getDefaultBackend() {
-		return InternalFlywheelApi.INSTANCE.getDefaultBackend();
+		return FlwApiLink.INSTANCE.getDefaultBackend();
 	}
 }

common/src/main/java/com/jozufozu/flywheel/api/instance/InstanceType.java

@@ -1,6 +1,6 @@
 package com.jozufozu.flywheel.api.instance;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 import com.jozufozu.flywheel.api.layout.Layout;
 import com.jozufozu.flywheel.api.registry.Registry;
 
@@ -12,7 +12,7 @@ import net.minecraft.resources.ResourceLocation;
  * @param <I> The java representation of the instance.
  */
 public interface InstanceType<I extends Instance> {
-	static Registry<InstanceType<?>> REGISTRY = InternalFlywheelApi.INSTANCE.createRegistry();
+	static Registry<InstanceType<?>> REGISTRY = FlwApiLink.INSTANCE.createRegistry();
 
 	/**
 	 * @param handle A handle that allows you to mark the instance as dirty or deleted.

common/src/main/java/com/jozufozu/flywheel/api/internal/DependencyInjection.java

@@ -40,12 +40,12 @@ public final class DependencyInjection {
 		return apiClass.cast(implInstance);
 	}
 
-	private static InternalFlywheelApi load() {
+	private static FlwApiLink load() {
-		Class<InternalFlywheelApi> apiClass = InternalFlywheelApi.class;
+		Class<FlwApiLink> apiClass = FlwApiLink.class;
 		Class<?> implClass;
 
 		try {
-			implClass = Class.forName("com.jozufozu.flywheel.impl.InternalFlywheelImpl");
+			implClass = Class.forName("com.jozufozu.flywheel.impl.FlwApiLinkImpl");
 		} catch (ReflectiveOperationException e) {
 			throw new RuntimeException("Could not find implementation", e);
 		}

common/src/main/java/com/jozufozu/flywheel/api/internal/FlwApiLink.java

@@ -10,8 +10,6 @@ import com.jozufozu.flywheel.api.vertex.VertexViewProvider;
 import com.jozufozu.flywheel.api.visualization.BlockEntityVisualizer;
 import com.jozufozu.flywheel.api.visualization.EntityVisualizer;
 import com.jozufozu.flywheel.api.visualization.VisualizationManager;
-import com.jozufozu.flywheel.lib.transform.PoseTransformStack;
-import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.blaze3d.vertex.VertexFormat;
 
 import net.minecraft.world.entity.Entity;
@@ -20,8 +18,8 @@ import net.minecraft.world.level.LevelAccessor;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 
-public interface InternalFlywheelApi {
+public interface FlwApiLink {
-	InternalFlywheelApi INSTANCE = DependencyInjection.load(InternalFlywheelApi.class, "com.jozufozu.flywheel.impl.InternalFlywheelImpl");
+	FlwApiLink INSTANCE = DependencyInjection.load(FlwApiLink.class, "com.jozufozu.flywheel.impl.FlwApiLinkImpl");
 
 	<T> Registry<T> createRegistry();
 
@@ -57,6 +55,4 @@ public interface InternalFlywheelApi {
 	<T extends BlockEntity> void setVisualizer(BlockEntityType<T> type, BlockEntityVisualizer<? super T> visualizer);
 
 	<T extends Entity> void setVisualizer(EntityType<T> type, EntityVisualizer<? super T> visualizer);
-
-	PoseTransformStack getPoseTransformStackOf(PoseStack stack);
 }

common/src/main/java/com/jozufozu/flywheel/api/layout/LayoutBuilder.java

@@ -3,7 +3,7 @@ package com.jozufozu.flywheel.api.layout;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Range;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 
 @ApiStatus.NonExtendable
 public interface LayoutBuilder {
@@ -26,6 +26,6 @@ public interface LayoutBuilder {
 	Layout build();
 
 	static LayoutBuilder create() {
-		return InternalFlywheelApi.INSTANCE.createLayoutBuilder();
+		return FlwApiLink.INSTANCE.createLayoutBuilder();
 	}
 }

common/src/main/java/com/jozufozu/flywheel/api/material/CutoutShader.java

@@ -1,12 +1,12 @@
 package com.jozufozu.flywheel.api.material;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 import com.jozufozu.flywheel.api.registry.Registry;
 
 import net.minecraft.resources.ResourceLocation;
 
 public interface CutoutShader {
-	static Registry<CutoutShader> REGISTRY = InternalFlywheelApi.INSTANCE.createRegistry();
+	static Registry<CutoutShader> REGISTRY = FlwApiLink.INSTANCE.createRegistry();
 
 	ResourceLocation source();
 }

common/src/main/java/com/jozufozu/flywheel/api/material/FogShader.java

@@ -1,12 +1,12 @@
 package com.jozufozu.flywheel.api.material;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 import com.jozufozu.flywheel.api.registry.Registry;
 
 import net.minecraft.resources.ResourceLocation;
 
 public interface FogShader {
-	static Registry<FogShader> REGISTRY = InternalFlywheelApi.INSTANCE.createRegistry();
+	static Registry<FogShader> REGISTRY = FlwApiLink.INSTANCE.createRegistry();
 
 	ResourceLocation source();
 }

common/src/main/java/com/jozufozu/flywheel/api/material/MaterialShaders.java

@@ -1,12 +1,12 @@
 package com.jozufozu.flywheel.api.material;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 import com.jozufozu.flywheel.api.registry.Registry;
 
 import net.minecraft.resources.ResourceLocation;
 
 public interface MaterialShaders {
-	static Registry<MaterialShaders> REGISTRY = InternalFlywheelApi.INSTANCE.createRegistry();
+	static Registry<MaterialShaders> REGISTRY = FlwApiLink.INSTANCE.createRegistry();
 
 	ResourceLocation vertexShader();
 

common/src/main/java/com/jozufozu/flywheel/api/vertex/VertexViewProviderRegistry.java

@@ -1,6 +1,6 @@
 package com.jozufozu.flywheel.api.vertex;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 import com.mojang.blaze3d.vertex.VertexFormat;
 
 public final class VertexViewProviderRegistry {
@@ -8,10 +8,10 @@ public final class VertexViewProviderRegistry {
 	}
 
 	public static VertexViewProvider getProvider(VertexFormat format) {
-		return InternalFlywheelApi.INSTANCE.getVertexViewProvider(format);
+		return FlwApiLink.INSTANCE.getVertexViewProvider(format);
 	}
 
 	public static void setProvider(VertexFormat format, VertexViewProvider provider) {
-		InternalFlywheelApi.INSTANCE.setVertexViewProvider(format, provider);
+		FlwApiLink.INSTANCE.setVertexViewProvider(format, provider);
 	}
 }

common/src/main/java/com/jozufozu/flywheel/api/visualization/VisualizationManager.java

@@ -3,7 +3,7 @@ package com.jozufozu.flywheel.api.visualization;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Nullable;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 import com.jozufozu.flywheel.api.visual.Effect;
 import com.jozufozu.flywheel.api.visual.Visual;
 
@@ -16,16 +16,16 @@ import net.minecraft.world.level.block.entity.BlockEntity;
 @ApiStatus.NonExtendable
 public interface VisualizationManager {
 	static boolean supportsVisualization(@Nullable LevelAccessor level) {
-		return InternalFlywheelApi.INSTANCE.supportsVisualization(level);
+		return FlwApiLink.INSTANCE.supportsVisualization(level);
 	}
 
 	@Nullable
 	static VisualizationManager get(@Nullable LevelAccessor level) {
-		return InternalFlywheelApi.INSTANCE.getVisualizationManager(level);
+		return FlwApiLink.INSTANCE.getVisualizationManager(level);
 	}
 
 	static VisualizationManager getOrThrow(@Nullable LevelAccessor level) {
-		return InternalFlywheelApi.INSTANCE.getVisualizationManagerOrThrow(level);
+		return FlwApiLink.INSTANCE.getVisualizationManagerOrThrow(level);
 	}
 
 	/**

common/src/main/java/com/jozufozu/flywheel/api/visualization/VisualizerRegistry.java

@@ -2,7 +2,7 @@ package com.jozufozu.flywheel.api.visualization;
 
 import org.jetbrains.annotations.Nullable;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.EntityType;
@@ -24,7 +24,7 @@ public final class VisualizerRegistry {
 	 */
 	@Nullable
 	public static <T extends BlockEntity> BlockEntityVisualizer<? super T> getVisualizer(BlockEntityType<T> type) {
-		return InternalFlywheelApi.INSTANCE.getVisualizer(type);
+		return FlwApiLink.INSTANCE.getVisualizer(type);
 	}
 
 	/**
@@ -35,7 +35,7 @@ public final class VisualizerRegistry {
 	 */
 	@Nullable
 	public static <T extends Entity> EntityVisualizer<? super T> getVisualizer(EntityType<T> type) {
-		return InternalFlywheelApi.INSTANCE.getVisualizer(type);
+		return FlwApiLink.INSTANCE.getVisualizer(type);
 	}
 
 	/**
@@ -45,7 +45,7 @@ public final class VisualizerRegistry {
 	 * @param <T> The type of the block entity.
 	 */
 	public static <T extends BlockEntity> void setVisualizer(BlockEntityType<T> type, BlockEntityVisualizer<? super T> visualizer) {
-		InternalFlywheelApi.INSTANCE.setVisualizer(type, visualizer);
+		FlwApiLink.INSTANCE.setVisualizer(type, visualizer);
 	}
 
 	/**
@@ -55,6 +55,6 @@ public final class VisualizerRegistry {
 	 * @param <T> The type of the entity.
 	 */
 	public static <T extends Entity> void setVisualizer(EntityType<T> type, EntityVisualizer<? super T> visualizer) {
-		InternalFlywheelApi.INSTANCE.setVisualizer(type, visualizer);
+		FlwApiLink.INSTANCE.setVisualizer(type, visualizer);
 	}
 }

common/src/main/java/com/jozufozu/flywheel/backend/FlwBackendXplat.java

@@ -0,0 +1,13 @@
+package com.jozufozu.flywheel.backend;
+
+import com.jozufozu.flywheel.api.internal.DependencyInjection;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.block.state.BlockState;
+
+public interface FlwBackendXplat {
+	FlwBackendXplat INSTANCE = DependencyInjection.load(FlwBackendXplat.class, "com.jozufozu.flywheel.backend.FlwBackendXplatImpl");
+
+	int getLightEmission(BlockState state, BlockGetter level, BlockPos pos);
+}

common/src/main/java/com/jozufozu/flywheel/backend/compile/FlwPrograms.java

@@ -20,7 +20,6 @@ import com.jozufozu.flywheel.backend.glsl.generate.GlslExpr;
 
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.server.packs.resources.ResourceManager;
-import net.minecraft.server.packs.resources.ResourceManagerReloadListener;
 
 public final class FlwPrograms {
 	public static final Logger LOGGER = LoggerFactory.getLogger(Flywheel.ID + "/shaders");
@@ -31,7 +30,7 @@ public final class FlwPrograms {
 	private FlwPrograms() {
 	}
 
-	private static void reload(ResourceManager resourceManager) {
+	static void reload(ResourceManager resourceManager) {
 		// Reset the programs in case the ubershader load fails.
 		InstancingPrograms.setInstance(null);
 		IndirectPrograms.setInstance(null);
@@ -119,16 +118,4 @@ public final class FlwPrograms {
 				.switchOn(GlslExpr.variable("_flw_uberCutoutIndex"))
 				.build(loader);
 	}
-
-	public static class ResourceReloadListener implements ResourceManagerReloadListener {
-		public static final ResourceReloadListener INSTANCE = new ResourceReloadListener();
-
-		private ResourceReloadListener() {
-		}
-
-		@Override
-		public void onResourceManagerReload(ResourceManager manager) {
-			FlwPrograms.reload(manager);
-		}
-	}
 }

common/src/main/java/com/jozufozu/flywheel/backend/compile/LayoutInterpreter.java

@@ -1,4 +1,4 @@
-package com.jozufozu.flywheel.impl.layout;
+package com.jozufozu.flywheel.backend.compile;
 
 import com.jozufozu.flywheel.api.layout.ArrayElementType;
 import com.jozufozu.flywheel.api.layout.ElementType;

common/src/main/java/com/jozufozu/flywheel/backend/compile/component/InstanceAssemblerComponent.java

@@ -19,10 +19,10 @@ import com.jozufozu.flywheel.api.layout.ScalarElementType;
 import com.jozufozu.flywheel.api.layout.UnsignedIntegerRepr;
 import com.jozufozu.flywheel.api.layout.ValueRepr;
 import com.jozufozu.flywheel.api.layout.VectorElementType;
+import com.jozufozu.flywheel.backend.compile.LayoutInterpreter;
 import com.jozufozu.flywheel.backend.glsl.SourceComponent;
 import com.jozufozu.flywheel.backend.glsl.generate.GlslBuilder;
 import com.jozufozu.flywheel.backend.glsl.generate.GlslExpr;
-import com.jozufozu.flywheel.impl.layout.LayoutInterpreter;
 
 public abstract class InstanceAssemblerComponent implements SourceComponent {
 	protected static final String STRUCT_NAME = "FlwInstance";

common/src/main/java/com/jozufozu/flywheel/backend/compile/component/InstanceStructComponent.java

@@ -6,9 +6,9 @@ import java.util.Collections;
 import com.jozufozu.flywheel.Flywheel;
 import com.jozufozu.flywheel.api.instance.InstanceType;
 import com.jozufozu.flywheel.api.layout.Layout;
+import com.jozufozu.flywheel.backend.compile.LayoutInterpreter;
 import com.jozufozu.flywheel.backend.glsl.SourceComponent;
 import com.jozufozu.flywheel.backend.glsl.generate.GlslBuilder;
-import com.jozufozu.flywheel.impl.layout.LayoutInterpreter;
 
 public class InstanceStructComponent implements SourceComponent {
 	private static final String STRUCT_NAME = "FlwInstance";

common/src/main/java/com/jozufozu/flywheel/backend/engine/uniform/DebugMode.java

@@ -1,4 +1,4 @@
-package com.jozufozu.flywheel.config;
+package com.jozufozu.flywheel.backend.engine.uniform;
 
 public enum DebugMode {
 	OFF,

common/src/main/java/com/jozufozu/flywheel/backend/engine/uniform/FrameUniforms.java

@@ -7,7 +7,6 @@ import org.joml.Vector3f;
 import com.jozufozu.flywheel.api.event.RenderContext;
 import com.jozufozu.flywheel.api.visualization.VisualizationManager;
 import com.jozufozu.flywheel.backend.mixin.LevelRendererAccessor;
-import com.jozufozu.flywheel.config.DebugMode;
 import com.jozufozu.flywheel.lib.math.MatrixMath;
 
 import net.minecraft.client.Camera;

common/src/main/java/com/jozufozu/flywheel/backend/engine/uniform/PlayerUniforms.java

@@ -3,8 +3,8 @@ package com.jozufozu.flywheel.backend.engine.uniform;
 import org.jetbrains.annotations.Nullable;
 
 import com.jozufozu.flywheel.api.event.RenderContext;
+import com.jozufozu.flywheel.backend.FlwBackendXplat;
 import com.jozufozu.flywheel.backend.mixin.AbstractClientPlayerAccessor;
-import com.jozufozu.flywheel.platform.ClientPlatform;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.multiplayer.ClientLevel;
@@ -94,7 +94,7 @@ public final class PlayerUniforms extends UniformWriter {
 			Item handItem = player.getItemInHand(hand).getItem();
 			if (handItem instanceof BlockItem blockItem) {
 				Block block = blockItem.getBlock();
-				int blockLight = ClientPlatform.INSTANCE
+				int blockLight = FlwBackendXplat.INSTANCE
 						.getLightEmission(block.defaultBlockState(), player.clientLevel, player.blockPosition());
 				if (heldLight < blockLight) {
 					heldLight = blockLight;

common/src/main/java/com/jozufozu/flywheel/config/FlwConfig.java

@@ -1,17 +0,0 @@
-package com.jozufozu.flywheel.config;
-
-import com.jozufozu.flywheel.api.backend.Backend;
-import com.jozufozu.flywheel.platform.ClientPlatform;
-
-public interface FlwConfig {
-	FlwConfig INSTANCE = ClientPlatform.INSTANCE.getConfigInstance();
-	static FlwConfig get() {
-		return INSTANCE;
-	}
-
-	Backend backend();
-
-	boolean limitUpdates();
-
-	int workerThreads();
-}

common/src/main/java/com/jozufozu/flywheel/impl/BackendArgument.java

@@ -1,4 +1,4 @@
-package com.jozufozu.flywheel.config;
+package com.jozufozu.flywheel.impl;
 
 import java.util.Collection;
 import java.util.List;

common/src/main/java/com/jozufozu/flywheel/impl/BackendManagerImpl.java

@@ -6,7 +6,6 @@ import org.slf4j.Logger;
 import com.jozufozu.flywheel.Flywheel;
 import com.jozufozu.flywheel.api.backend.Backend;
 import com.jozufozu.flywheel.backend.Backends;
-import com.jozufozu.flywheel.config.FlwConfig;
 import com.jozufozu.flywheel.impl.visualization.VisualizationManagerImpl;
 import com.jozufozu.flywheel.lib.backend.SimpleBackend;
 import com.mojang.logging.LogUtils;
@@ -46,7 +45,7 @@ public final class BackendManagerImpl {
 	}
 
 	private static void chooseBackend() {
-		var preferred = FlwConfig.get().backend();
+		var preferred = FlwConfig.INSTANCE.backend();
 		var actual = preferred.findFallback();
 
 		if (preferred != actual) {

common/src/main/java/com/jozufozu/flywheel/impl/FlwApiLinkImpl.java

@@ -3,7 +3,7 @@ package com.jozufozu.flywheel.impl;
 import org.jetbrains.annotations.Nullable;
 
 import com.jozufozu.flywheel.api.backend.Backend;
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.api.internal.FlwApiLink;
 import com.jozufozu.flywheel.api.layout.LayoutBuilder;
 import com.jozufozu.flywheel.api.registry.IdRegistry;
 import com.jozufozu.flywheel.api.registry.Registry;
@@ -11,15 +11,12 @@ import com.jozufozu.flywheel.api.vertex.VertexViewProvider;
 import com.jozufozu.flywheel.api.visualization.BlockEntityVisualizer;
 import com.jozufozu.flywheel.api.visualization.EntityVisualizer;
 import com.jozufozu.flywheel.api.visualization.VisualizationManager;
-import com.jozufozu.flywheel.impl.extension.PoseStackExtension;
 import com.jozufozu.flywheel.impl.layout.LayoutBuilderImpl;
 import com.jozufozu.flywheel.impl.registry.IdRegistryImpl;
 import com.jozufozu.flywheel.impl.registry.RegistryImpl;
 import com.jozufozu.flywheel.impl.vertex.VertexViewProviderRegistryImpl;
 import com.jozufozu.flywheel.impl.visualization.VisualizationManagerImpl;
 import com.jozufozu.flywheel.impl.visualization.VisualizerRegistryImpl;
-import com.jozufozu.flywheel.lib.transform.PoseTransformStack;
-import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.blaze3d.vertex.VertexFormat;
 
 import net.minecraft.world.entity.Entity;
@@ -28,7 +25,7 @@ import net.minecraft.world.level.LevelAccessor;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 
-public final class InternalFlywheelImpl implements InternalFlywheelApi {
+public class FlwApiLinkImpl implements FlwApiLink {
 	@Override
 	public <T> Registry<T> createRegistry() {
 		return new RegistryImpl<>();
@@ -111,9 +108,4 @@ public final class InternalFlywheelImpl implements InternalFlywheelApi {
 	public <T extends Entity> void setVisualizer(EntityType<T> type, EntityVisualizer<? super T> visualizer) {
 		VisualizerRegistryImpl.setVisualizer(type, visualizer);
 	}
-
-	@Override
-	public PoseTransformStack getPoseTransformStackOf(PoseStack stack) {
-		return ((PoseStackExtension) stack).flywheel$transformStack();
-	}
 }

common/src/main/java/com/jozufozu/flywheel/impl/FlwConfig.java

@@ -0,0 +1,13 @@
+package com.jozufozu.flywheel.impl;
+
+import com.jozufozu.flywheel.api.backend.Backend;
+
+public interface FlwConfig {
+	FlwConfig INSTANCE = FlwImplXplat.INSTANCE.getConfig();
+
+	Backend backend();
+
+	boolean limitUpdates();
+
+	int workerThreads();
+}

common/src/main/java/com/jozufozu/flywheel/impl/FlwDebugInfo.java

@@ -0,0 +1,37 @@
+package com.jozufozu.flywheel.impl;
+
+import java.util.List;
+
+import com.jozufozu.flywheel.api.visualization.VisualizationManager;
+import com.jozufozu.flywheel.lib.memory.FlwMemoryTracker;
+import com.jozufozu.flywheel.lib.util.StringUtil;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.core.Vec3i;
+
+public final class FlwDebugInfo {
+	private FlwDebugInfo() {
+	}
+
+	public static void addDebugInfo(Minecraft minecraft, List<String> systemInfo) {
+		if (minecraft.showOnlyReducedInfo()) {
+			return;
+		}
+
+		systemInfo.add("");
+		systemInfo.add("Flywheel: " + FlwImplXplat.INSTANCE.getVersionStr());
+		systemInfo.add("Backend: " + BackendManagerImpl.getBackendString());
+		systemInfo.add("Update limiting: " + (FlwConfig.INSTANCE.limitUpdates() ? "on" : "off"));
+
+		VisualizationManager manager = VisualizationManager.get(minecraft.level);
+		if (manager != null) {
+			systemInfo.add("B: " + manager.getBlockEntities().getVisualCount()
+					+ ", E: " + manager.getEntities().getVisualCount()
+					+ ", F: " + manager.getEffects().getVisualCount());
+			Vec3i renderOrigin = manager.getRenderOrigin();
+			systemInfo.add("Origin: " + renderOrigin.getX() + ", " + renderOrigin.getY() + ", " + renderOrigin.getZ());
+		}
+
+		systemInfo.add("Memory Usage: CPU: " + StringUtil.formatBytes(FlwMemoryTracker.getCPUMemory()) + ", GPU: " + StringUtil.formatBytes(FlwMemoryTracker.getGPUMemory()));
+	}
+}

common/src/main/java/com/jozufozu/flywheel/impl/FlwImplXplat.java

@@ -0,0 +1,23 @@
+package com.jozufozu.flywheel.impl;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.jozufozu.flywheel.api.event.RenderContext;
+import com.jozufozu.flywheel.api.event.RenderStage;
+import com.jozufozu.flywheel.api.internal.DependencyInjection;
+
+import net.minecraft.client.multiplayer.ClientLevel;
+
+public interface FlwImplXplat {
+	FlwImplXplat INSTANCE = DependencyInjection.load(FlwImplXplat.class, "com.jozufozu.flywheel.impl.FlwImplXplatImpl");
+
+	void dispatchBeginFrameEvent(RenderContext context);
+
+	void dispatchReloadLevelRendererEvent(@Nullable ClientLevel level);
+
+	void dispatchRenderStageEvent(RenderContext context, RenderStage stage);
+
+	String getVersionStr();
+
+	FlwConfig getConfig();
+}

common/src/main/java/com/jozufozu/flywheel/impl/FlwLibLinkImpl.java

@@ -0,0 +1,13 @@
+package com.jozufozu.flywheel.impl;
+
+import com.jozufozu.flywheel.impl.extension.PoseStackExtension;
+import com.jozufozu.flywheel.lib.internal.FlwLibLink;
+import com.jozufozu.flywheel.lib.transform.PoseTransformStack;
+import com.mojang.blaze3d.vertex.PoseStack;
+
+public class FlwLibLinkImpl implements FlwLibLink {
+	@Override
+	public PoseTransformStack getPoseTransformStackOf(PoseStack stack) {
+		return ((PoseStackExtension) stack).flywheel$transformStack();
+	}
+}

common/src/main/java/com/jozufozu/flywheel/impl/FlywheelInit.java

@@ -0,0 +1,41 @@
+package com.jozufozu.flywheel.impl;
+
+import com.jozufozu.flywheel.backend.Backends;
+import com.jozufozu.flywheel.backend.ShaderIndices;
+import com.jozufozu.flywheel.impl.registry.IdRegistryImpl;
+import com.jozufozu.flywheel.impl.registry.RegistryImpl;
+import com.jozufozu.flywheel.lib.instance.InstanceTypes;
+import com.jozufozu.flywheel.lib.material.CutoutShaders;
+import com.jozufozu.flywheel.lib.material.FogShaders;
+import com.jozufozu.flywheel.lib.material.StandardMaterialShaders;
+import com.jozufozu.flywheel.lib.util.ShadersModHandler;
+import com.jozufozu.flywheel.vanilla.VanillaVisuals;
+
+public final class FlywheelInit {
+	private FlywheelInit() {
+	}
+
+	public static void init() {
+		// impl
+		BackendManagerImpl.init();
+
+		// lib
+		ShadersModHandler.init();
+		InstanceTypes.init();
+		CutoutShaders.init();
+		FogShaders.init();
+		StandardMaterialShaders.init();
+
+		// backend
+		ShaderIndices.init();
+		Backends.init();
+
+		// vanilla
+		VanillaVisuals.init();
+	}
+
+	public static void freezeRegistries() {
+		RegistryImpl.freezeAll();
+		IdRegistryImpl.freezeAll();
+	}
+}

common/src/main/java/com/jozufozu/flywheel/impl/mixin/LevelRendererMixin.java

@@ -11,13 +11,14 @@ import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.At.Shift;
+import org.spongepowered.asm.mixin.injection.Group;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import com.jozufozu.flywheel.api.event.RenderStage;
+import com.jozufozu.flywheel.impl.FlwImplXplat;
 import com.jozufozu.flywheel.impl.event.RenderContextImpl;
 import com.jozufozu.flywheel.impl.visualization.VisualizationManagerImpl;
-import com.jozufozu.flywheel.platform.ClientPlatform;
 import com.mojang.blaze3d.vertex.PoseStack;
 
 import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
@@ -32,6 +33,7 @@ import net.minecraft.server.level.BlockDestructionProgress;
 @Mixin(value = LevelRenderer.class, priority = 1001) // Higher priority to go after Sodium
 abstract class LevelRendererMixin {
 	@Shadow
+	@Nullable
 	private ClientLevel level;
 
 	@Shadow
@@ -51,7 +53,7 @@ abstract class LevelRendererMixin {
 	private void flywheel$beginRender(PoseStack poseStack, float partialTick, long finishNanoTime, boolean renderBlockOutline, Camera camera, GameRenderer gameRenderer, LightTexture lightTexture, Matrix4f projectionMatrix, CallbackInfo ci) {
 		flywheel$renderContext = RenderContextImpl.create((LevelRenderer) (Object) this, level, renderBuffers, poseStack, projectionMatrix, camera, partialTick);
 
-		ClientPlatform.INSTANCE.dispatchBeginFrame(flywheel$renderContext);
+		FlwImplXplat.INSTANCE.dispatchBeginFrameEvent(flywheel$renderContext);
 	}
 
 	@Inject(method = "renderLevel", at = @At("RETURN"))
@@ -61,7 +63,7 @@ abstract class LevelRendererMixin {
 
 	@Inject(method = "allChanged", at = @At("RETURN"))
 	private void flywheel$refresh(CallbackInfo ci) {
-		ClientPlatform.INSTANCE.dispatchReloadLevelRenderer(level);
+		FlwImplXplat.INSTANCE.dispatchReloadLevelRendererEvent(level);
 	}
 
 	@Inject(method = "renderLevel", at = @At(value = "INVOKE_STRING", target = "Lnet/minecraft/util/profiling/ProfilerFiller;popPush(Ljava/lang/String;)V", args = "ldc=destroyProgress"))
@@ -81,7 +83,7 @@ abstract class LevelRendererMixin {
 	@Unique
 	private void flywheel$dispatch(RenderStage stage) {
 		if (flywheel$renderContext != null) {
-			ClientPlatform.INSTANCE.dispatchRenderStage(flywheel$renderContext, stage);
+			FlwImplXplat.INSTANCE.dispatchRenderStageEvent(flywheel$renderContext, stage);
 		}
 	}
 
@@ -105,8 +107,15 @@ abstract class LevelRendererMixin {
 		flywheel$dispatch(RenderStage.AFTER_TRANSLUCENT_TERRAIN);
 	}
 
+	@Group(name = "onStage$afterParticles", min = 1)
+	@Inject(method = "renderLevel", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/particle/ParticleEngine;render(Lcom/mojang/blaze3d/vertex/PoseStack;Lnet/minecraft/client/renderer/MultiBufferSource$BufferSource;Lnet/minecraft/client/renderer/LightTexture;Lnet/minecraft/client/Camera;F)V", shift = Shift.AFTER))
+	private void flywheel$onStage$afterParticles$fabric(CallbackInfo ci) {
+		flywheel$dispatch(RenderStage.AFTER_PARTICLES);
+	}
+
+	@Group(name = "onStage$afterParticles")
 	@Inject(method = "renderLevel", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/particle/ParticleEngine;render(Lcom/mojang/blaze3d/vertex/PoseStack;Lnet/minecraft/client/renderer/MultiBufferSource$BufferSource;Lnet/minecraft/client/renderer/LightTexture;Lnet/minecraft/client/Camera;FLnet/minecraft/client/renderer/culling/Frustum;)V", shift = Shift.AFTER))
-	private void flywheel$onStage$afterParticles(CallbackInfo ci) {
+	private void flywheel$onStage$afterParticles$forge(CallbackInfo ci) {
 		flywheel$dispatch(RenderStage.AFTER_PARTICLES);
 	}
 

common/src/main/java/com/jozufozu/flywheel/impl/task/FlwTaskExecutor.java

@@ -4,7 +4,7 @@ import org.apache.commons.lang3.concurrent.AtomicSafeInitializer;
 import org.apache.commons.lang3.concurrent.ConcurrentUtils;
 
 import com.jozufozu.flywheel.api.task.TaskExecutor;
-import com.jozufozu.flywheel.config.FlwConfig;
+import com.jozufozu.flywheel.impl.FlwConfig;
 import com.mojang.blaze3d.systems.RenderSystem;
 
 import net.minecraft.util.Mth;
@@ -39,7 +39,7 @@ public final class FlwTaskExecutor {
 	private static class Initializer extends AtomicSafeInitializer<TaskExecutor> {
 		@Override
 		protected TaskExecutor initialize() {
-			int threadCount = FlwConfig.get()
+			int threadCount = FlwConfig.INSTANCE
 					.workerThreads();
 
 			if (threadCount == 0) {

common/src/main/java/com/jozufozu/flywheel/impl/visualization/VisualizationEventHandler.java

@@ -0,0 +1,67 @@
+package com.jozufozu.flywheel.impl.visualization;
+
+import com.jozufozu.flywheel.api.event.RenderContext;
+import com.jozufozu.flywheel.api.event.RenderStage;
+import com.jozufozu.flywheel.api.visualization.VisualizationManager;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.ClientLevel;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.level.Level;
+
+public final class VisualizationEventHandler {
+	private VisualizationEventHandler() {
+	}
+
+	public static void onClientTick(Minecraft minecraft, Level level) {
+		// The game won't be paused in the tick event, but let's make sure there's a player.
+		if (minecraft.player == null) {
+			return;
+		}
+
+		VisualizationManagerImpl manager = VisualizationManagerImpl.get(level);
+		if (manager == null) {
+			return;
+		}
+
+		manager.tick();
+	}
+
+	public static void onBeginFrame(RenderContext context) {
+		ClientLevel level = context.level();
+		VisualizationManagerImpl manager = VisualizationManagerImpl.get(level);
+		if (manager == null) {
+			return;
+		}
+
+		manager.beginFrame(context);
+	}
+
+	public static void onRenderStage(RenderContext context, RenderStage stage) {
+		ClientLevel level = context.level();
+		VisualizationManagerImpl manager = VisualizationManagerImpl.get(level);
+		if (manager == null) {
+			return;
+		}
+
+		manager.renderStage(context, stage);
+	}
+
+	public static void onEntityJoinLevel(Level level, Entity entity) {
+		VisualizationManager manager = VisualizationManager.get(level);
+		if (manager == null) {
+			return;
+		}
+
+		manager.getEntities().queueAdd(entity);
+	}
+
+	public static void onEntityLeaveLevel(Level level, Entity entity) {
+		VisualizationManager manager = VisualizationManager.get(level);
+		if (manager == null) {
+			return;
+		}
+
+		manager.getEntities().queueRemove(entity);
+	}
+}

common/src/main/java/com/jozufozu/flywheel/impl/visualization/VisualizationManagerImpl.java

@@ -24,7 +24,7 @@ import com.jozufozu.flywheel.api.visualization.VisualManager;
 import com.jozufozu.flywheel.api.visualization.VisualizationContext;
 import com.jozufozu.flywheel.api.visualization.VisualizationLevel;
 import com.jozufozu.flywheel.api.visualization.VisualizationManager;
-import com.jozufozu.flywheel.config.FlwConfig;
+import com.jozufozu.flywheel.impl.FlwConfig;
 import com.jozufozu.flywheel.impl.extension.LevelExtension;
 import com.jozufozu.flywheel.impl.task.FlwTaskExecutor;
 import com.jozufozu.flywheel.impl.visual.DynamicVisualContextImpl;
@@ -133,7 +133,7 @@ public class VisualizationManagerImpl implements VisualizationManager {
 	}
 
 	protected DistanceUpdateLimiterImpl createUpdateLimiter() {
-		if (FlwConfig.get()
+		if (FlwConfig.INSTANCE
 				.limitUpdates()) {
 			return new BandedPrimeLimiter();
 		} else {

common/src/main/java/com/jozufozu/flywheel/lib/internal/FlwLibLink.java

@@ -0,0 +1,11 @@
+package com.jozufozu.flywheel.lib.internal;
+
+import com.jozufozu.flywheel.api.internal.DependencyInjection;
+import com.jozufozu.flywheel.lib.transform.PoseTransformStack;
+import com.mojang.blaze3d.vertex.PoseStack;
+
+public interface FlwLibLink {
+	FlwLibLink INSTANCE = DependencyInjection.load(FlwLibLink.class, "com.jozufozu.flywheel.impl.FlwLibLinkImpl");
+
+	PoseTransformStack getPoseTransformStackOf(PoseStack stack);
+}

common/src/main/java/com/jozufozu/flywheel/lib/internal/FlwLibXplat.java

@@ -0,0 +1,30 @@
+package com.jozufozu.flywheel.lib.internal;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.jozufozu.flywheel.api.internal.DependencyInjection;
+import com.jozufozu.flywheel.lib.model.baked.BakedModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.BlockModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.MultiBlockModelBuilder;
+import com.jozufozu.flywheel.lib.util.ShadersModHandler;
+
+import net.minecraft.client.renderer.block.BlockRenderDispatcher;
+import net.minecraft.client.resources.model.BakedModel;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.BlockAndTintGetter;
+import net.minecraft.world.level.block.state.BlockState;
+
+public interface FlwLibXplat {
+	FlwLibXplat INSTANCE = DependencyInjection.load(FlwLibXplat.class, "com.jozufozu.flywheel.impl.FlwLibXplatImpl");
+
+	BlockRenderDispatcher createVanillaBlockRenderDispatcher();
+
+	BakedModelBuilder createBakedModelBuilder(BakedModel bakedModel);
+
+	BlockModelBuilder createBlockModelBuilder(BlockState state);
+
+	MultiBlockModelBuilder createMultiBlockModelBuilder(BlockAndTintGetter level, Iterable<BlockPos> positions);
+
+	@Nullable
+	ShadersModHandler.InternalHandler createIrisHandler();
+}

common/src/main/java/com/jozufozu/flywheel/lib/internal/package-info.java

@@ -0,0 +1,12 @@
+@ApiStatus.Internal
+@ParametersAreNonnullByDefault
+@FieldsAreNonnullByDefault
+@MethodsReturnNonnullByDefault
+package com.jozufozu.flywheel.lib.internal;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import org.jetbrains.annotations.ApiStatus;
+
+import net.minecraft.FieldsAreNonnullByDefault;
+import net.minecraft.MethodsReturnNonnullByDefault;

common/src/main/java/com/jozufozu/flywheel/lib/model/ModelCache.java

@@ -17,7 +17,10 @@ public class ModelCache<T> {
 
 	public ModelCache(Function<T, Model> factory) {
 		this.factory = factory;
-		ALL.add(this);
+
+		synchronized (ALL) {
+			ALL.add(this);
+		}
 	}
 
 	public Model get(T key) {

common/src/main/java/com/jozufozu/flywheel/lib/model/ModelHolder.java

@@ -17,7 +17,10 @@ public class ModelHolder {
 
 	public ModelHolder(Supplier<Model> factory) {
 		this.factory = factory;
-		ALL.add(this);
+
+		synchronized (ALL) {
+			ALL.add(this);
+		}
 	}
 
 	public Model get() {

common/src/main/java/com/jozufozu/flywheel/lib/model/ModelUtil.java

@@ -14,10 +14,10 @@ import com.jozufozu.flywheel.api.model.Model;
 import com.jozufozu.flywheel.api.vertex.VertexList;
 import com.jozufozu.flywheel.api.vertex.VertexView;
 import com.jozufozu.flywheel.api.vertex.VertexViewProviderRegistry;
+import com.jozufozu.flywheel.lib.internal.FlwLibXplat;
 import com.jozufozu.flywheel.lib.material.Materials;
 import com.jozufozu.flywheel.lib.memory.MemoryBlock;
 import com.jozufozu.flywheel.lib.vertex.PosVertexView;
-import com.jozufozu.flywheel.platform.ClientPlatform;
 import com.mojang.blaze3d.vertex.BufferBuilder;
 import com.mojang.blaze3d.vertex.BufferBuilder.DrawState;
 import com.mojang.blaze3d.vertex.VertexFormat;
@@ -30,7 +30,7 @@ public final class ModelUtil {
 	 * An alternative BlockRenderDispatcher that circumvents the Forge rendering pipeline to ensure consistency.
 	 * Meant to be used for virtual rendering.
 	 */
-	public static final BlockRenderDispatcher VANILLA_RENDERER = ClientPlatform.INSTANCE.createVanillaRenderer();
+	public static final BlockRenderDispatcher VANILLA_RENDERER = FlwLibXplat.INSTANCE.createVanillaBlockRenderDispatcher();
 	private static final float BOUNDING_SPHERE_EPSILON = 1e-4f;
 
 	private ModelUtil() {

common/src/main/java/com/jozufozu/flywheel/lib/model/baked/BakedModelBuilder.java

@@ -5,8 +5,8 @@ import java.util.function.BiFunction;
 import org.jetbrains.annotations.Nullable;
 
 import com.jozufozu.flywheel.api.material.Material;
+import com.jozufozu.flywheel.lib.internal.FlwLibXplat;
 import com.jozufozu.flywheel.lib.model.SimpleModel;
-import com.jozufozu.flywheel.platform.ClientPlatform;
 import com.mojang.blaze3d.vertex.PoseStack;
 
 import net.minecraft.client.renderer.RenderType;
@@ -26,7 +26,7 @@ public abstract class BakedModelBuilder {
 	protected BiFunction<RenderType, Boolean, Material> materialFunc;
 
 	public static BakedModelBuilder create(BakedModel bakedModel) {
-		return ClientPlatform.INSTANCE.bakedModelBuilder(bakedModel);
+		return FlwLibXplat.INSTANCE.createBakedModelBuilder(bakedModel);
 	}
 
 	protected BakedModelBuilder(BakedModel bakedModel) {

common/src/main/java/com/jozufozu/flywheel/lib/model/baked/BlockModelBuilder.java

@@ -5,8 +5,8 @@ import java.util.function.BiFunction;
 import org.jetbrains.annotations.Nullable;
 
 import com.jozufozu.flywheel.api.material.Material;
+import com.jozufozu.flywheel.lib.internal.FlwLibXplat;
 import com.jozufozu.flywheel.lib.model.SimpleModel;
-import com.jozufozu.flywheel.platform.ClientPlatform;
 import com.mojang.blaze3d.vertex.PoseStack;
 
 import net.minecraft.client.renderer.RenderType;
@@ -23,7 +23,7 @@ public abstract class BlockModelBuilder {
 	protected BiFunction<RenderType, Boolean, Material> materialFunc;
 
 	public static BlockModelBuilder create(BlockState state) {
-		return ClientPlatform.INSTANCE.blockModelBuilder(state);
+		return FlwLibXplat.INSTANCE.createBlockModelBuilder(state);
 	}
 
 	protected BlockModelBuilder(BlockState state) {

common/src/main/java/com/jozufozu/flywheel/lib/model/baked/MultiBlockModelBuilder.java

@@ -5,8 +5,8 @@ import java.util.function.BiFunction;
 import org.jetbrains.annotations.Nullable;
 
 import com.jozufozu.flywheel.api.material.Material;
+import com.jozufozu.flywheel.lib.internal.FlwLibXplat;
 import com.jozufozu.flywheel.lib.model.SimpleModel;
-import com.jozufozu.flywheel.platform.ClientPlatform;
 import com.mojang.blaze3d.vertex.PoseStack;
 
 import net.minecraft.client.renderer.RenderType;
@@ -23,7 +23,7 @@ public abstract class MultiBlockModelBuilder {
 	protected BiFunction<RenderType, Boolean, Material> materialFunc;
 
 	public static MultiBlockModelBuilder create(BlockAndTintGetter level, Iterable<BlockPos> positions) {
-		return ClientPlatform.INSTANCE.multiBlockModelBuilder(level, positions);
+		return FlwLibXplat.INSTANCE.createMultiBlockModelBuilder(level, positions);
 	}
 
 	protected MultiBlockModelBuilder(BlockAndTintGetter level, Iterable<BlockPos> positions) {

common/src/main/java/com/jozufozu/flywheel/lib/model/baked/PartialModel.java

@@ -7,15 +7,13 @@ import net.minecraft.client.resources.model.BakedModel;
 import net.minecraft.resources.ResourceLocation;
 
 /**
- * A helper class for loading and accessing json models.
+ * A helper class for loading and accessing JSON models not directly used by any blocks or items.
  * <br>
- * Creating a PartialModel will make the associated modelLocation automatically load.
+ * Creating a PartialModel will make Minecraft automatically load the associated modelLocation.
- * PartialModels must be initialized in the mod class constructor.
+ * PartialModels must be initialized before the initial resource reload, otherwise an error will be thrown.
+ * It is recommended to do this in the client mod initializer on Fabric and the mod class constructor on Forge.
  * <br>
- * Once {@link ModelEvent.RegisterAdditional} finishes, all PartialModels (with valid modelLocations)
+ * Once Minecraft has finished baking all models, all PartialModels will have their bakedModel fields populated.
- * will have their bakedModel fields populated.
- * <br>
- * Attempting to create a PartialModel after {@link ModelEvent.RegisterAdditional} will cause an error.
  */
 public class PartialModel {
 	static final List<PartialModel> ALL = new ArrayList<>();
@@ -26,11 +24,18 @@ public class PartialModel {
 
 	public PartialModel(ResourceLocation modelLocation) {
 		if (tooLate) {
-			throw new RuntimeException("PartialModel '" + modelLocation + "' loaded after ModelRegistryEvent");
+			throw new RuntimeException("Attempted to create PartialModel with location '" + modelLocation + "' after start of initial resource reload!");
 		}
 
 		this.modelLocation = modelLocation;
-		ALL.add(this);
+
+		synchronized (ALL) {
+			ALL.add(this);
+		}
+	}
+
+	public ResourceLocation getLocation() {
+		return modelLocation;
 	}
 
 	public String getName() {
@@ -38,15 +43,11 @@ public class PartialModel {
 				.toString();
 	}
 
-	public ResourceLocation getLocation() {
-		return modelLocation;
-	}
-
 	public BakedModel get() {
 		return bakedModel;
 	}
 
-	void set(BakedModel bakedModel) {
+	protected void set(BakedModel bakedModel) {
 		this.bakedModel = bakedModel;
 	}
 }

common/src/main/java/com/jozufozu/flywheel/lib/transform/TransformStack.java

@@ -1,11 +1,11 @@
 package com.jozufozu.flywheel.lib.transform;
 
-import com.jozufozu.flywheel.api.internal.InternalFlywheelApi;
+import com.jozufozu.flywheel.lib.internal.FlwLibLink;
 import com.mojang.blaze3d.vertex.PoseStack;
 
 public interface TransformStack<Self extends TransformStack<Self>> extends Transform<Self> {
 	static PoseTransformStack of(PoseStack stack) {
-		return InternalFlywheelApi.INSTANCE.getPoseTransformStackOf(stack);
+		return FlwLibLink.INSTANCE.getPoseTransformStackOf(stack);
 	}
 
 	Self pushPose();

common/src/main/java/com/jozufozu/flywheel/lib/util/ShadersModHandler.java

@@ -6,7 +6,7 @@ import java.util.function.BooleanSupplier;
 import org.jetbrains.annotations.ApiStatus;
 import org.slf4j.Logger;
 
-import com.jozufozu.flywheel.platform.ClientPlatform;
+import com.jozufozu.flywheel.lib.internal.FlwLibXplat;
 import com.mojang.logging.LogUtils;
 
 public final class ShadersModHandler {
@@ -19,23 +19,23 @@ public final class ShadersModHandler {
 	private static final InternalHandler INTERNAL_HANDLER;
 
 	static {
+		InternalHandler irisHandler = FlwLibXplat.INSTANCE
+				.createIrisHandler();
+		IS_IRIS_LOADED = irisHandler != null;
+
 		Package optifinePackage = Package.getPackage(OPTIFINE_ROOT_PACKAGE);
 		IS_OPTIFINE_INSTALLED = optifinePackage != null;
 
-		var irisOculusHandler = ClientPlatform.INSTANCE
-				.createIrisOculusHandlerIfPresent();
-		IS_IRIS_LOADED = irisOculusHandler != null;
-
 		// OptiFine and Iris/Oculus are assumed to be mutually exclusive
 
-		if (IS_OPTIFINE_INSTALLED) {
+		if (IS_IRIS_LOADED) {
-			LOGGER.info("Optifine detected.");
+			LOGGER.debug("Iris detected.");
-			INTERNAL_HANDLER = new Optifine();
+			INTERNAL_HANDLER = irisHandler;
-		} else if (IS_IRIS_LOADED) {
+		} else if (IS_OPTIFINE_INSTALLED) {
-			LOGGER.info("Iris detected.");
+			LOGGER.debug("OptiFine detected.");
-			INTERNAL_HANDLER = irisOculusHandler;
+			INTERNAL_HANDLER = new OptifineHandler();
 		} else {
-			LOGGER.info("No shaders mod detected.");
+			LOGGER.debug("No shaders mod detected.");
 			INTERNAL_HANDLER = new InternalHandler() {};
 		}
 	}
@@ -67,19 +67,19 @@ public final class ShadersModHandler {
 	public interface InternalHandler {
 		default boolean isShaderPackInUse() {
 			return false;
-		};
+		}
 
 		default boolean isRenderingShadowPass() {
 			return false;
-		};
+		}
 	}
 
 	// evil reflection
-	private static class Optifine implements InternalHandler {
+	private static class OptifineHandler implements InternalHandler {
 		private final BooleanSupplier shadersEnabledSupplier;
 		private final BooleanSupplier shadowPassSupplier;
 
-		Optifine() {
+		private OptifineHandler() {
 			shadersEnabledSupplier = createShadersEnabledSupplier();
 			shadowPassSupplier = createShadowPassSupplier();
 		}
@@ -102,11 +102,11 @@ public final class ShadersModHandler {
 				return () -> {
 					try {
 						return field.getBoolean(null);
-					} catch (IllegalAccessException ignored) {
+					} catch (IllegalAccessException e) {
 						return false;
 					}
 				};
-			} catch (Exception ignored) {
+			} catch (Exception e) {
 				return () -> false;
 			}
 		}
@@ -119,11 +119,11 @@ public final class ShadersModHandler {
 				return () -> {
 					try {
 						return field.getBoolean(null);
-					} catch (IllegalAccessException ignored) {
+					} catch (IllegalAccessException e) {
 						return false;
 					}
 				};
-			} catch (Exception ignored) {
+			} catch (Exception e) {
 				return () -> false;
 			}
 		}

common/src/main/java/com/jozufozu/flywheel/lib/visual/SimpleBlockEntityVisualizer.java

@@ -3,6 +3,8 @@ package com.jozufozu.flywheel.lib.visual;
 import java.util.Objects;
 import java.util.function.Predicate;
 
+import org.jetbrains.annotations.Nullable;
+
 import com.jozufozu.flywheel.api.visual.BlockEntityVisual;
 import com.jozufozu.flywheel.api.visualization.BlockEntityVisualizer;
 import com.jozufozu.flywheel.api.visualization.VisualizationContext;
@@ -54,7 +56,9 @@ public class SimpleBlockEntityVisualizer<T extends BlockEntity> implements Block
 	 */
 	public static class Builder<T extends BlockEntity> {
 		protected BlockEntityType<T> type;
+		@Nullable
 		protected Factory<T> visualFactory;
+		@Nullable
 		protected Predicate<T> skipVanillaRender;
 
 		public Builder(BlockEntityType<T> type) {

common/src/main/java/com/jozufozu/flywheel/lib/visual/SimpleEntityVisualizer.java

@@ -3,6 +3,8 @@ package com.jozufozu.flywheel.lib.visual;
 import java.util.Objects;
 import java.util.function.Predicate;
 
+import org.jetbrains.annotations.Nullable;
+
 import com.jozufozu.flywheel.api.visual.EntityVisual;
 import com.jozufozu.flywheel.api.visualization.EntityVisualizer;
 import com.jozufozu.flywheel.api.visualization.VisualizationContext;
@@ -54,7 +56,9 @@ public class SimpleEntityVisualizer<T extends Entity> implements EntityVisualize
 	 */
 	public static class Builder<T extends Entity> {
 		protected EntityType<T> type;
+		@Nullable
 		protected Factory<T> visualFactory;
+		@Nullable
 		protected Predicate<T> skipVanillaRender;
 
 		public Builder(EntityType<T> type) {

common/src/main/java/com/jozufozu/flywheel/platform/ClientPlatform.java

@@ -1,47 +0,0 @@
-package com.jozufozu.flywheel.platform;
-
-import org.jetbrains.annotations.Nullable;
-
-import com.jozufozu.flywheel.api.event.RenderContext;
-import com.jozufozu.flywheel.api.event.RenderStage;
-import com.jozufozu.flywheel.api.internal.DependencyInjection;
-import com.jozufozu.flywheel.config.FlwConfig;
-import com.jozufozu.flywheel.lib.model.baked.BakedModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.BlockModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.MultiBlockModelBuilder;
-import com.jozufozu.flywheel.lib.util.ShadersModHandler;
-
-import net.minecraft.client.multiplayer.ClientLevel;
-import net.minecraft.client.renderer.block.BlockRenderDispatcher;
-import net.minecraft.client.resources.model.BakedModel;
-import net.minecraft.core.BlockPos;
-import net.minecraft.world.level.BlockAndTintGetter;
-import net.minecraft.world.level.BlockGetter;
-import net.minecraft.world.level.block.state.BlockState;
-
-public interface ClientPlatform {
-	ClientPlatform INSTANCE = DependencyInjection.load(ClientPlatform.class, "com.jozufozu.flywheel.platform.ClientPlatformImpl");
-
-	void dispatchReloadLevelRenderer(ClientLevel level);
-
-	void dispatchBeginFrame(RenderContext context);
-
-	void dispatchRenderStage(RenderContext context, RenderStage stage);
-
-	boolean isModLoaded(String modid);
-
-	@Nullable
-	ShadersModHandler.InternalHandler createIrisOculusHandlerIfPresent();
-
-	int getLightEmission(BlockState state, BlockGetter level, BlockPos pos);
-
-	FlwConfig getConfigInstance();
-
-	BlockRenderDispatcher createVanillaRenderer();
-
-	BakedModelBuilder bakedModelBuilder(BakedModel bakedModel);
-
-	BlockModelBuilder blockModelBuilder(BlockState state);
-
-	MultiBlockModelBuilder multiBlockModelBuilder(BlockAndTintGetter level, Iterable<BlockPos> positions);
-}

fabric/src/main/java/com/jozufozu/flywheel/api/event/ReloadLevelRendererCallback.java

@@ -1,5 +1,7 @@
 package com.jozufozu.flywheel.api.event;
 
+import org.jetbrains.annotations.Nullable;
+
 import net.fabricmc.fabric.api.event.Event;
 import net.fabricmc.fabric.api.event.EventFactory;
 import net.minecraft.client.multiplayer.ClientLevel;
@@ -13,5 +15,5 @@ public interface ReloadLevelRendererCallback {
 				}
 			});
 
-	void onReloadLevelRenderer(ClientLevel level);
+	void onReloadLevelRenderer(@Nullable ClientLevel level);
 }

fabric/src/main/java/com/jozufozu/flywheel/backend/FlwBackendXplatImpl.java

@@ -0,0 +1,12 @@
+package com.jozufozu.flywheel.backend;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.block.state.BlockState;
+
+public class FlwBackendXplatImpl implements FlwBackendXplat {
+	@Override
+	public int getLightEmission(BlockState state, BlockGetter level, BlockPos pos) {
+		return state.getLightEmission();
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/backend/compile/FlwProgramsReloader.java

@@ -0,0 +1,26 @@
+package com.jozufozu.flywheel.backend.compile;
+
+import com.jozufozu.flywheel.Flywheel;
+
+import net.fabricmc.fabric.api.resource.SimpleSynchronousResourceReloadListener;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.packs.resources.ResourceManager;
+
+public final class FlwProgramsReloader implements SimpleSynchronousResourceReloadListener {
+	public static final FlwProgramsReloader INSTANCE = new FlwProgramsReloader();
+
+	public static final ResourceLocation ID = Flywheel.rl("programs");
+
+	private FlwProgramsReloader() {
+	}
+
+	@Override
+	public void onResourceManagerReload(ResourceManager manager) {
+		FlwPrograms.reload(manager);
+	}
+
+	@Override
+	public ResourceLocation getFabricId() {
+		return ID;
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/impl/FabricFlwConfig.java

@@ -0,0 +1,24 @@
+package com.jozufozu.flywheel.impl;
+
+import com.jozufozu.flywheel.api.backend.Backend;
+import com.jozufozu.flywheel.backend.Backends;
+
+// TODO: Fabric config
+public class FabricFlwConfig implements FlwConfig {
+	public static final FabricFlwConfig INSTANCE = new FabricFlwConfig();
+
+	@Override
+	public Backend backend() {
+		return Backends.INDIRECT;
+	}
+
+	@Override
+	public boolean limitUpdates() {
+		return true;
+	}
+
+	@Override
+	public int workerThreads() {
+		return -1;
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/impl/FlwImplXplatImpl.java

@@ -0,0 +1,38 @@
+package com.jozufozu.flywheel.impl;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.jozufozu.flywheel.api.event.BeginFrameCallback;
+import com.jozufozu.flywheel.api.event.ReloadLevelRendererCallback;
+import com.jozufozu.flywheel.api.event.RenderContext;
+import com.jozufozu.flywheel.api.event.RenderStage;
+import com.jozufozu.flywheel.api.event.RenderStageCallback;
+
+import net.minecraft.client.multiplayer.ClientLevel;
+
+public class FlwImplXplatImpl implements FlwImplXplat {
+	@Override
+	public void dispatchBeginFrameEvent(RenderContext context) {
+		BeginFrameCallback.EVENT.invoker().onBeginFrame(context);
+	}
+
+	@Override
+	public void dispatchReloadLevelRendererEvent(@Nullable ClientLevel level) {
+		ReloadLevelRendererCallback.EVENT.invoker().onReloadLevelRenderer(level);
+	}
+
+	@Override
+	public void dispatchRenderStageEvent(RenderContext context, RenderStage stage) {
+		RenderStageCallback.EVENT.invoker().onRenderStage(context, stage);
+	}
+
+	@Override
+	public String getVersionStr() {
+		return FlywheelFabric.version().getFriendlyString();
+	}
+
+	@Override
+	public FlwConfig getConfig() {
+		return FabricFlwConfig.INSTANCE;
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/impl/FlwLibXplatImpl.java

@@ -0,0 +1,63 @@
+package com.jozufozu.flywheel.impl;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.jozufozu.flywheel.lib.internal.FlwLibXplat;
+import com.jozufozu.flywheel.lib.model.baked.BakedModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.BlockModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.MultiBlockModelBuilder;
+import com.jozufozu.flywheel.lib.util.ShadersModHandler;
+
+import net.fabricmc.loader.api.FabricLoader;
+import net.irisshaders.iris.api.v0.IrisApi;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.block.BlockRenderDispatcher;
+import net.minecraft.client.resources.model.BakedModel;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.BlockAndTintGetter;
+import net.minecraft.world.level.block.state.BlockState;
+
+public class FlwLibXplatImpl implements FlwLibXplat {
+	@Override
+	public BlockRenderDispatcher createVanillaBlockRenderDispatcher() {
+		return Minecraft.getInstance().getBlockRenderer();
+	}
+
+	@Override
+	public BakedModelBuilder createBakedModelBuilder(BakedModel bakedModel) {
+		return null;
+	}
+
+	@Override
+	public BlockModelBuilder createBlockModelBuilder(BlockState state) {
+		return null;
+	}
+
+	@Override
+	public MultiBlockModelBuilder createMultiBlockModelBuilder(BlockAndTintGetter level, Iterable<BlockPos> positions) {
+		return null;
+	}
+
+	@Override
+	@Nullable
+	public ShadersModHandler.InternalHandler createIrisHandler() {
+		if (!FabricLoader.getInstance()
+				.isModLoaded("iris")) {
+			return null;
+		}
+
+		return new ShadersModHandler.InternalHandler() {
+			@Override
+			public boolean isShaderPackInUse() {
+				return IrisApi.getInstance()
+						.isShaderPackInUse();
+			}
+
+			@Override
+			public boolean isRenderingShadowPass() {
+				return IrisApi.getInstance()
+						.isRenderingShadowPass();
+			}
+		};
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/impl/FlywheelFabric.java

@@ -1,10 +1,94 @@
 package com.jozufozu.flywheel.impl;
 
-import net.fabricmc.api.ClientModInitializer;
+import com.jozufozu.flywheel.Flywheel;
+import com.jozufozu.flywheel.api.event.BeginFrameCallback;
+import com.jozufozu.flywheel.api.event.EndClientResourceReloadCallback;
+import com.jozufozu.flywheel.api.event.ReloadLevelRendererCallback;
+import com.jozufozu.flywheel.api.event.RenderStageCallback;
+import com.jozufozu.flywheel.backend.compile.FlwProgramsReloader;
+import com.jozufozu.flywheel.backend.engine.uniform.Uniforms;
+import com.jozufozu.flywheel.impl.visualization.VisualizationEventHandler;
+import com.jozufozu.flywheel.lib.model.ModelCache;
+import com.jozufozu.flywheel.lib.model.ModelHolder;
+import com.jozufozu.flywheel.lib.model.baked.PartialModelEventHandler;
+
+import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents;
+import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
+import net.fabricmc.fabric.api.client.model.loading.v1.ModelLoadingPlugin;
+import net.fabricmc.fabric.api.command.v2.ArgumentTypeRegistry;
+import net.fabricmc.fabric.api.resource.ResourceManagerHelper;
+import net.fabricmc.loader.api.FabricLoader;
+import net.fabricmc.loader.api.ModContainer;
+import net.fabricmc.loader.api.Version;
+import net.minecraft.client.multiplayer.ClientLevel;
+import net.minecraft.server.packs.PackType;
+
+public final class FlywheelFabric implements ClientModInitializer {
+	private static Version version;
 
-public class FlywheelFabric implements ClientModInitializer {
 	@Override
 	public void onInitializeClient() {
+		ModContainer modContainer = FabricLoader.getInstance().getModContainer(Flywheel.ID).orElseThrow();
+		version = modContainer.getMetadata().getVersion();
 
+		setupImpl();
+		setupLib();
+		setupBackend();
+
+		FlywheelInit.init();
+
+		// FIXME: Registries cannot be frozen this early.
+		FlywheelInit.freezeRegistries();
+	}
+
+	private static void setupImpl() {
+		ReloadLevelRendererCallback.EVENT.register(BackendManagerImpl::onReloadLevelRenderer);
+
+		// This Fabric event runs slightly later than the Forge event Flywheel uses, but it shouldn't make a difference.
+		ClientTickEvents.END_CLIENT_TICK.register(minecraft -> {
+			if (!minecraft.isPaused()) {
+				ClientLevel level = minecraft.level;
+				if (level != null) {
+					VisualizationEventHandler.onClientTick(minecraft, level);
+				}
+			}
+		});
+		BeginFrameCallback.EVENT.register(VisualizationEventHandler::onBeginFrame);
+		RenderStageCallback.EVENT.register(VisualizationEventHandler::onRenderStage);
+		ClientEntityEvents.ENTITY_LOAD.register((entity, level) -> VisualizationEventHandler.onEntityJoinLevel(level, entity));
+		ClientEntityEvents.ENTITY_UNLOAD.register((entity, level) -> VisualizationEventHandler.onEntityLeaveLevel(level, entity));
+
+		ClientCommandRegistrationCallback.EVENT.register((dispatcher, ctx) -> {
+			// TODO: Fabric client commands
+		});
+
+		EndClientResourceReloadCallback.EVENT.register((minecraft, resourceManager, initialReload, error) ->
+				BackendManagerImpl.onEndClientResourceReload(error.isPresent()));
+
+		ArgumentTypeRegistry.registerArgumentType(Flywheel.rl("backend"), BackendArgument.class, BackendArgument.INFO);
+	}
+
+	private static void setupLib() {
+		EndClientResourceReloadCallback.EVENT.register((minecraft, resourceManager, initialReload, error) ->
+				ModelCache.onEndClientResourceReload());
+		EndClientResourceReloadCallback.EVENT.register((minecraft, resourceManager, initialReload, error) ->
+				ModelHolder.onEndClientResourceReload());
+
+		ModelLoadingPlugin.register(ctx -> {
+			ctx.addModels(PartialModelEventHandler.onRegisterAdditional());
+		});
+		ResourceManagerHelper.get(PackType.CLIENT_RESOURCES).registerReloadListener(PartialModelEventHandler.ReloadListener.INSTANCE);
+	}
+
+	private static void setupBackend() {
+		ReloadLevelRendererCallback.EVENT.register(level -> Uniforms.onReloadLevelRenderer());
+
+		ResourceManagerHelper.get(PackType.CLIENT_RESOURCES).registerReloadListener(FlwProgramsReloader.INSTANCE);
+	}
+
+	public static Version version() {
+		return version;
 	}
 }

fabric/src/main/java/com/jozufozu/flywheel/impl/mixin/fabric/DebugScreenOverlayMixin.java

@@ -0,0 +1,27 @@
+package com.jozufozu.flywheel.impl.mixin.fabric;
+
+import java.util.List;
+
+import org.spongepowered.asm.mixin.Final;
+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.CallbackInfoReturnable;
+
+import com.jozufozu.flywheel.impl.FlwDebugInfo;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.components.DebugScreenOverlay;
+
+@Mixin(DebugScreenOverlay.class)
+abstract class DebugScreenOverlayMixin {
+	@Shadow
+	@Final
+	private Minecraft minecraft;
+
+	@Inject(method = "getSystemInformation", at = @At("RETURN"))
+	private void flywheel$onGetSystemInformation(CallbackInfoReturnable<List<String>> cir) {
+		FlwDebugInfo.addDebugInfo(minecraft, cir.getReturnValue());
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/impl/mixin/fabric/MinecraftMixin.java

@@ -0,0 +1,32 @@
+package com.jozufozu.flywheel.impl.mixin.fabric;
+
+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;
+
+import com.jozufozu.flywheel.lib.util.LevelAttached;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.ClientLevel;
+
+@Mixin(Minecraft.class)
+abstract class MinecraftMixin {
+	@Shadow
+	public ClientLevel level;
+
+	@Inject(method = "setLevel(Lnet/minecraft/client/multiplayer/ClientLevel;)V", at = @At("HEAD"))
+	private void flywheel$onSetLevel(CallbackInfo ci) {
+		if (level != null) {
+			LevelAttached.invalidateLevel(level);
+		}
+	}
+
+	@Inject(method = "clearLevel(Lnet/minecraft/client/gui/screens/Screen;)V", at = @At("HEAD"))
+	private void flywheel$onClearLevel(CallbackInfo ci) {
+		if (level != null) {
+			LevelAttached.invalidateLevel(level);
+		}
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/impl/mixin/fabric/SystemReportMixin.java

@@ -0,0 +1,19 @@
+package com.jozufozu.flywheel.impl.mixin.fabric;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import com.jozufozu.flywheel.impl.BackendManagerImpl;
+
+import net.minecraft.SystemReport;
+
+@Mixin(value = SystemReport.class, priority = 1056)
+abstract class SystemReportMixin {
+	@Inject(method = "<init>", at = @At("RETURN"))
+	private void flywheel$onInit(CallbackInfo ci) {
+		SystemReport self = (SystemReport) (Object) this;
+		self.setDetail("Flywheel Backend", BackendManagerImpl::getBackendString);
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/lib/model/baked/PartialModelEventHandler.java

@@ -0,0 +1,56 @@
+package com.jozufozu.flywheel.lib.model.baked;
+
+import java.util.List;
+
+import org.jetbrains.annotations.ApiStatus;
+
+import com.jozufozu.flywheel.Flywheel;
+
+import net.fabricmc.fabric.api.resource.ResourceReloadListenerKeys;
+import net.fabricmc.fabric.api.resource.SimpleSynchronousResourceReloadListener;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.resources.model.ModelManager;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.packs.resources.ResourceManager;
+
+@ApiStatus.Internal
+public final class PartialModelEventHandler {
+	private PartialModelEventHandler() {
+	}
+
+	public static ResourceLocation[] onRegisterAdditional() {
+		PartialModel.tooLate = true;
+		return PartialModel.ALL.stream().map(PartialModel::getLocation).toArray(ResourceLocation[]::new);
+	}
+
+	public static void onBakingCompleted(ModelManager manager) {
+		for (PartialModel partial : PartialModel.ALL) {
+			partial.set(manager.getModel(partial.getLocation()));
+		}
+	}
+
+	public static final class ReloadListener implements SimpleSynchronousResourceReloadListener {
+		public static final ReloadListener INSTANCE = new ReloadListener();
+
+		public static final ResourceLocation ID = Flywheel.rl("partial_models");
+		public static final List<ResourceLocation> DEPENDENCIES = List.of(ResourceReloadListenerKeys.MODELS);
+
+		private ReloadListener() {
+		}
+
+		@Override
+		public void onResourceManagerReload(ResourceManager resourceManager) {
+			onBakingCompleted(Minecraft.getInstance().getModelManager());
+		}
+
+		@Override
+		public ResourceLocation getFabricId() {
+			return ID;
+		}
+
+		@Override
+		public List<ResourceLocation> getFabricDependencies() {
+			return DEPENDENCIES;
+		}
+	}
+}

fabric/src/main/java/com/jozufozu/flywheel/platform/ClientPlatformImpl.java

@@ -1,101 +0,0 @@
-package com.jozufozu.flywheel.platform;
-
-import org.jetbrains.annotations.Nullable;
-
-import com.jozufozu.flywheel.api.event.BeginFrameCallback;
-import com.jozufozu.flywheel.api.event.ReloadLevelRendererCallback;
-import com.jozufozu.flywheel.api.event.RenderContext;
-import com.jozufozu.flywheel.api.event.RenderStage;
-import com.jozufozu.flywheel.api.event.RenderStageCallback;
-import com.jozufozu.flywheel.config.FlwConfig;
-import com.jozufozu.flywheel.lib.model.baked.BakedModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.BlockModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.MultiBlockModelBuilder;
-import com.jozufozu.flywheel.lib.util.ShadersModHandler;
-
-import net.fabricmc.loader.api.FabricLoader;
-import net.irisshaders.iris.api.v0.IrisApi;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.multiplayer.ClientLevel;
-import net.minecraft.client.renderer.block.BlockRenderDispatcher;
-import net.minecraft.client.resources.model.BakedModel;
-import net.minecraft.core.BlockPos;
-import net.minecraft.world.level.BlockAndTintGetter;
-import net.minecraft.world.level.BlockGetter;
-import net.minecraft.world.level.block.state.BlockState;
-
-public class ClientPlatformImpl implements ClientPlatform {
-	@Override
-	public void dispatchReloadLevelRenderer(ClientLevel level) {
-		ReloadLevelRendererCallback.EVENT.invoker().onReloadLevelRenderer(level);
-	}
-
-	@Override
-	public void dispatchBeginFrame(RenderContext context) {
-		BeginFrameCallback.EVENT.invoker().onBeginFrame(context);
-	}
-
-	@Override
-	public void dispatchRenderStage(RenderContext context, RenderStage stage) {
-		RenderStageCallback.EVENT.invoker().onRenderStage(context, stage);
-	}
-
-	@Override
-	public boolean isModLoaded(String modid) {
-		return FabricLoader.getInstance()
-				.isModLoaded(modid);
-	}
-
-	@Nullable
-	@Override
-	public ShadersModHandler.InternalHandler createIrisOculusHandlerIfPresent() {
-		if (isModLoaded("iris")) {
-			return new ShadersModHandler.InternalHandler() {
-				@Override
-				public boolean isShaderPackInUse() {
-					return IrisApi.getInstance()
-							.isShaderPackInUse();
-				}
-
-				@Override
-				public boolean isRenderingShadowPass() {
-					return IrisApi.getInstance()
-							.isRenderingShadowPass();
-				}
-			};
-		} else {
-			return null;
-		}
-	}
-
-	@Override
-	public int getLightEmission(BlockState state, BlockGetter level, BlockPos pos) {
-		return state.getLightEmission();
-	}
-
-	@Override
-	public FlwConfig getConfigInstance() {
-		// TODO: fabric config
-		return null;
-	}
-
-	@Override
-	public BlockRenderDispatcher createVanillaRenderer() {
-		return Minecraft.getInstance().getBlockRenderer();
-	}
-
-	@Override
-	public BakedModelBuilder bakedModelBuilder(BakedModel bakedModel) {
-		return null;
-	}
-
-	@Override
-	public BlockModelBuilder blockModelBuilder(BlockState state) {
-		return null;
-	}
-
-	@Override
-	public MultiBlockModelBuilder multiBlockModelBuilder(BlockAndTintGetter level, Iterable<BlockPos> positions) {
-		return null;
-	}
-}

fabric/src/main/resources/fabric.mod.json

@@ -24,7 +24,8 @@
   "mixins": [
     "flywheel.backend.mixins.json",
     "flywheel.impl.mixins.json",
-    "flywheel.impl.sodium.mixins.json"
+    "flywheel.impl.sodium.mixins.json",
+    "flywheel.impl.fabric.mixins.json"
   ],
   "depends": {
     "minecraft": "${minecraft_semver_version_range}",

fabric/src/main/resources/flywheel.impl.fabric.mixins.json

@@ -0,0 +1,15 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "com.jozufozu.flywheel.impl.mixin.fabric",
+  "compatibilityLevel": "JAVA_17",
+  "refmap": "flywheel.refmap.json",
+  "client": [
+    "DebugScreenOverlayMixin",
+    "MinecraftMixin",
+    "SystemReportMixin"
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}

forge/src/main/java/com/jozufozu/flywheel/backend/FlwBackendXplatImpl.java

@@ -0,0 +1,12 @@
+package com.jozufozu.flywheel.backend;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.block.state.BlockState;
+
+public class FlwBackendXplatImpl implements FlwBackendXplat {
+	@Override
+	public int getLightEmission(BlockState state, BlockGetter level, BlockPos pos) {
+		return state.getLightEmission(level, pos);
+	}
+}

forge/src/main/java/com/jozufozu/flywheel/backend/compile/FlwProgramsReloader.java

@@ -0,0 +1,16 @@
+package com.jozufozu.flywheel.backend.compile;
+
+import net.minecraft.server.packs.resources.ResourceManager;
+import net.minecraft.server.packs.resources.ResourceManagerReloadListener;
+
+public final class FlwProgramsReloader implements ResourceManagerReloadListener {
+	public static final FlwProgramsReloader INSTANCE = new FlwProgramsReloader();
+
+	private FlwProgramsReloader() {
+	}
+
+	@Override
+	public void onResourceManagerReload(ResourceManager manager) {
+		FlwPrograms.reload(manager);
+	}
+}

forge/src/main/java/com/jozufozu/flywheel/impl/FlwCommands.java

@@ -1,9 +1,10 @@
-package com.jozufozu.flywheel.config;
+package com.jozufozu.flywheel.impl;
 
 import java.util.function.BiConsumer;
 
 import com.jozufozu.flywheel.api.backend.Backend;
 import com.jozufozu.flywheel.api.backend.BackendManager;
+import com.jozufozu.flywheel.backend.engine.uniform.DebugMode;
 import com.jozufozu.flywheel.backend.engine.uniform.FrameUniforms;
 import com.mojang.brigadier.Command;
 import com.mojang.brigadier.arguments.IntegerArgumentType;
@@ -25,7 +26,7 @@ public final class FlwCommands {
 	}
 
 	public static void registerClientCommands(RegisterClientCommandsEvent event) {
-		var config = FlwForgeConfig.INSTANCE;
+		var config = ForgeFlwConfig.INSTANCE;
 
 		LiteralArgumentBuilder<CommandSourceStack> command = Commands.literal("flywheel");
 

forge/src/main/java/com/jozufozu/flywheel/impl/FlwImplXplatImpl.java

@@ -0,0 +1,39 @@
+package com.jozufozu.flywheel.impl;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.jozufozu.flywheel.api.event.BeginFrameEvent;
+import com.jozufozu.flywheel.api.event.ReloadLevelRendererEvent;
+import com.jozufozu.flywheel.api.event.RenderContext;
+import com.jozufozu.flywheel.api.event.RenderStage;
+import com.jozufozu.flywheel.api.event.RenderStageEvent;
+
+import net.minecraft.client.multiplayer.ClientLevel;
+import net.minecraftforge.common.MinecraftForge;
+
+public class FlwImplXplatImpl implements FlwImplXplat {
+	@Override
+	public void dispatchBeginFrameEvent(RenderContext context) {
+		MinecraftForge.EVENT_BUS.post(new BeginFrameEvent(context));
+	}
+
+	@Override
+	public void dispatchReloadLevelRendererEvent(@Nullable ClientLevel level) {
+		MinecraftForge.EVENT_BUS.post(new ReloadLevelRendererEvent(level));
+	}
+
+	@Override
+	public void dispatchRenderStageEvent(RenderContext context, RenderStage stage) {
+		MinecraftForge.EVENT_BUS.post(new RenderStageEvent(context, stage));
+	}
+
+	@Override
+	public String getVersionStr() {
+		return FlywheelForge.version().toString();
+	}
+
+	@Override
+	public FlwConfig getConfig() {
+		return ForgeFlwConfig.INSTANCE;
+	}
+}

forge/src/main/java/com/jozufozu/flywheel/impl/FlwLibXplatImpl.java

@@ -0,0 +1,86 @@
+package com.jozufozu.flywheel.impl;
+
+import java.lang.reflect.Field;
+
+import org.jetbrains.annotations.Nullable;
+import org.slf4j.Logger;
+
+import com.jozufozu.flywheel.lib.internal.FlwLibXplat;
+import com.jozufozu.flywheel.lib.model.baked.BakedModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.BlockModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.ForgeBakedModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.ForgeBlockModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.ForgeMultiBlockModelBuilder;
+import com.jozufozu.flywheel.lib.model.baked.MultiBlockModelBuilder;
+import com.jozufozu.flywheel.lib.util.ShadersModHandler;
+import com.mojang.logging.LogUtils;
+
+import net.irisshaders.iris.api.v0.IrisApi;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.block.BlockRenderDispatcher;
+import net.minecraft.client.renderer.block.ModelBlockRenderer;
+import net.minecraft.client.resources.model.BakedModel;
+import net.minecraft.core.BlockPos;
+import net.minecraft.world.level.BlockAndTintGetter;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraftforge.fml.ModList;
+import net.minecraftforge.fml.util.ObfuscationReflectionHelper;
+
+public class FlwLibXplatImpl implements FlwLibXplat {
+	private static final Logger LOGGER = LogUtils.getLogger();
+
+	@Override
+	public BlockRenderDispatcher createVanillaBlockRenderDispatcher() {
+		BlockRenderDispatcher defaultDispatcher = Minecraft.getInstance().getBlockRenderer();
+		BlockRenderDispatcher dispatcher = new BlockRenderDispatcher(null, null, null);
+		try {
+			for (Field field : BlockRenderDispatcher.class.getDeclaredFields()) {
+				field.setAccessible(true);
+				field.set(dispatcher, field.get(defaultDispatcher));
+			}
+			ObfuscationReflectionHelper.setPrivateValue(BlockRenderDispatcher.class, dispatcher, new ModelBlockRenderer(Minecraft.getInstance().getBlockColors()), "f_110900_");
+		} catch (Exception e) {
+			LOGGER.error("Failed to initialize vanilla BlockRenderDispatcher!", e);
+			return defaultDispatcher;
+		}
+		return dispatcher;
+	}
+
+	@Override
+	public BakedModelBuilder createBakedModelBuilder(BakedModel bakedModel) {
+		return new ForgeBakedModelBuilder(bakedModel);
+	}
+
+	@Override
+	public BlockModelBuilder createBlockModelBuilder(BlockState state) {
+		return new ForgeBlockModelBuilder(state);
+	}
+
+	@Override
+	public MultiBlockModelBuilder createMultiBlockModelBuilder(BlockAndTintGetter level, Iterable<BlockPos> positions) {
+		return new ForgeMultiBlockModelBuilder(level, positions);
+	}
+
+	@Override
+	@Nullable
+	public ShadersModHandler.InternalHandler createIrisHandler() {
+		if (!ModList.get()
+				.isLoaded("oculus")) {
+			return null;
+		}
+
+		return new ShadersModHandler.InternalHandler() {
+			@Override
+			public boolean isShaderPackInUse() {
+				return IrisApi.getInstance()
+						.isShaderPackInUse();
+			}
+
+			@Override
+			public boolean isRenderingShadowPass() {
+				return IrisApi.getInstance()
+						.isRenderingShadowPass();
+			}
+		};
+	}
+}

forge/src/main/java/com/jozufozu/flywheel/impl/FlywheelForge.java

@@ -1,41 +1,36 @@
 package com.jozufozu.flywheel.impl;
 
-import java.util.ArrayList;
-
 import org.apache.maven.artifact.versioning.ArtifactVersion;
 
 import com.jozufozu.flywheel.Flywheel;
+import com.jozufozu.flywheel.api.event.BeginFrameEvent;
 import com.jozufozu.flywheel.api.event.EndClientResourceReloadEvent;
 import com.jozufozu.flywheel.api.event.ReloadLevelRendererEvent;
-import com.jozufozu.flywheel.api.visualization.VisualizationManager;
+import com.jozufozu.flywheel.api.event.RenderStageEvent;
-import com.jozufozu.flywheel.backend.compile.FlwPrograms;
+import com.jozufozu.flywheel.backend.compile.FlwProgramsReloader;
 import com.jozufozu.flywheel.backend.engine.uniform.Uniforms;
-import com.jozufozu.flywheel.config.BackendArgument;
-import com.jozufozu.flywheel.config.FlwCommands;
-import com.jozufozu.flywheel.config.FlwConfig;
-import com.jozufozu.flywheel.config.FlwForgeConfig;
 import com.jozufozu.flywheel.impl.visualization.VisualizationEventHandler;
-import com.jozufozu.flywheel.lib.memory.FlwMemoryTracker;
 import com.jozufozu.flywheel.lib.model.ModelCache;
 import com.jozufozu.flywheel.lib.model.ModelHolder;
 import com.jozufozu.flywheel.lib.model.baked.PartialModelEventHandler;
 import com.jozufozu.flywheel.lib.util.LevelAttached;
-import com.jozufozu.flywheel.lib.util.StringUtil;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.commands.synchronization.ArgumentTypeInfos;
-import net.minecraft.core.Vec3i;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.client.event.CustomizeGuiOverlayEvent;
 import net.minecraftforge.client.event.RegisterClientReloadListenersEvent;
 import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.event.TickEvent;
+import net.minecraftforge.event.entity.EntityJoinLevelEvent;
+import net.minecraftforge.event.entity.EntityLeaveLevelEvent;
 import net.minecraftforge.event.level.LevelEvent;
 import net.minecraftforge.eventbus.api.IEventBus;
 import net.minecraftforge.fml.CrashReportCallables;
 import net.minecraftforge.fml.DistExecutor;
+import net.minecraftforge.fml.LogicalSide;
 import net.minecraftforge.fml.ModLoadingContext;
 import net.minecraftforge.fml.common.Mod;
-import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
 import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
 import net.minecraftforge.fml.event.lifecycle.FMLLoadCompleteEvent;
 import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
@@ -43,7 +38,7 @@ import net.minecraftforge.registries.ForgeRegistries;
 import net.minecraftforge.registries.RegisterEvent;
 
 @Mod(Flywheel.ID)
-public class FlywheelForge {
+public final class FlywheelForge {
 	private static ArtifactVersion version;
 
 	public FlywheelForge() {
@@ -57,89 +52,80 @@ public class FlywheelForge {
 		IEventBus forgeEventBus = MinecraftForge.EVENT_BUS;
 		IEventBus modEventBus = FMLJavaModLoadingContext.get()
 				.getModEventBus();
-		modEventBus.addListener(FlywheelForge::onCommonSetup);
-		modEventBus.addListener(FlywheelForge::onRegister);
 
-		FlwForgeConfig.INSTANCE.registerSpecs(modLoadingContext);
+		ForgeFlwConfig.INSTANCE.registerSpecs(modLoadingContext);
 
 		DistExecutor.unsafeRunWhenOn(Dist.CLIENT, () -> () -> FlywheelForge.clientInit(forgeEventBus, modEventBus));
 	}
 
 	private static void clientInit(IEventBus forgeEventBus, IEventBus modEventBus) {
-		forgeEventBus.addListener(FlywheelForge::addDebugInfo);
+		registerImplEventListeners(forgeEventBus, modEventBus);
+		registerLibEventListeners(forgeEventBus, modEventBus);
+		registerBackendEventListeners(forgeEventBus, modEventBus);
 
+		CrashReportCallables.registerCrashCallable("Flywheel Backend", BackendManagerImpl::getBackendString);
+		FlywheelInit.init();
+	}
+
+	private static void registerImplEventListeners(IEventBus forgeEventBus, IEventBus modEventBus) {
 		forgeEventBus.addListener((ReloadLevelRendererEvent e) -> BackendManagerImpl.onReloadLevelRenderer(e.level()));
 
-		forgeEventBus.addListener(VisualizationEventHandler::onClientTick);
+		forgeEventBus.addListener((TickEvent.LevelTickEvent e) -> {
-		forgeEventBus.addListener(VisualizationEventHandler::onBeginFrame);
+			// Make sure we don't tick on the server somehow.
-		forgeEventBus.addListener(VisualizationEventHandler::onRenderStage);
+			if (e.phase == TickEvent.Phase.END && e.side == LogicalSide.CLIENT) {
-		forgeEventBus.addListener(VisualizationEventHandler::onEntityJoinLevel);
+				VisualizationEventHandler.onClientTick(Minecraft.getInstance(), e.level);
-		forgeEventBus.addListener(VisualizationEventHandler::onEntityLeaveLevel);
+			}
+		});
+		forgeEventBus.addListener((BeginFrameEvent e) -> VisualizationEventHandler.onBeginFrame(e.context()));
+		forgeEventBus.addListener((RenderStageEvent e) -> VisualizationEventHandler.onRenderStage(e.context(), e.stage()));
+		forgeEventBus.addListener((EntityJoinLevelEvent e) -> VisualizationEventHandler.onEntityJoinLevel(e.getLevel(), e.getEntity()));
+		forgeEventBus.addListener((EntityLeaveLevelEvent e) -> VisualizationEventHandler.onEntityLeaveLevel(e.getLevel(), e.getEntity()));
 
 		forgeEventBus.addListener(FlwCommands::registerClientCommands);
 
-		forgeEventBus.addListener((EndClientResourceReloadEvent e) -> Uniforms.onReloadLevelRenderer());
+		forgeEventBus.addListener((CustomizeGuiOverlayEvent.DebugText e) -> {
+			Minecraft minecraft = Minecraft.getInstance();
 
-		forgeEventBus.addListener((LevelEvent.Unload e) -> LevelAttached.invalidateLevel(e.getLevel()));
+			if (!minecraft.options.renderDebug) {
+				return;
+			}
 
-		modEventBus.addListener(FlywheelForge::registerClientReloadListeners);
+			FlwDebugInfo.addDebugInfo(minecraft, e.getRight());
-		modEventBus.addListener(FlywheelForge::onClientSetup);
+		});
-		modEventBus.addListener(FlywheelForge::onLoadComplete);
+
+		modEventBus.addListener((FMLLoadCompleteEvent e) -> FlywheelInit.freezeRegistries());
 
 		modEventBus.addListener((EndClientResourceReloadEvent e) -> BackendManagerImpl.onEndClientResourceReload(e.error().isPresent()));
 
+		modEventBus.addListener((FMLCommonSetupEvent e) -> {
+			ArgumentTypeInfos.registerByClass(BackendArgument.class, BackendArgument.INFO);
+		});
+		modEventBus.addListener((RegisterEvent e) -> {
+			if (e.getRegistryKey().equals(ForgeRegistries.Keys.COMMAND_ARGUMENT_TYPES)) {
+				e.register(ForgeRegistries.Keys.COMMAND_ARGUMENT_TYPES, Flywheel.rl("backend"), () -> BackendArgument.INFO);
+			}
+		});
+	}
+
+	private static void registerLibEventListeners(IEventBus forgeEventBus, IEventBus modEventBus) {
+		forgeEventBus.addListener((LevelEvent.Unload e) -> LevelAttached.invalidateLevel(e.getLevel()));
+
 		modEventBus.addListener((EndClientResourceReloadEvent e) -> ModelCache.onEndClientResourceReload());
 		modEventBus.addListener((EndClientResourceReloadEvent e) -> ModelHolder.onEndClientResourceReload());
 
-		modEventBus.addListener(PartialModelEventHandler::onModelRegistry);
+		modEventBus.addListener(PartialModelEventHandler::onRegisterAdditional);
-		modEventBus.addListener(PartialModelEventHandler::onModelBake);
+		modEventBus.addListener(PartialModelEventHandler::onBakingCompleted);
-
-		Flywheel.earlyInit();
-		CrashReportCallables.registerCrashCallable("Flywheel Backend", BackendManagerImpl::getBackendString);
 	}
 
-	private static void registerClientReloadListeners(RegisterClientReloadListenersEvent event) {
+	private static void registerBackendEventListeners(IEventBus forgeEventBus, IEventBus modEventBus) {
-		event.registerReloadListener(FlwPrograms.ResourceReloadListener.INSTANCE);
+		forgeEventBus.addListener((ReloadLevelRendererEvent e) -> Uniforms.onReloadLevelRenderer());
+
+		modEventBus.addListener((RegisterClientReloadListenersEvent e) -> {
+			e.registerReloadListener(FlwProgramsReloader.INSTANCE);
+		});
 	}
 
-	private static void onClientSetup(FMLClientSetupEvent event) {
+	public static ArtifactVersion version() {
-		Flywheel.init();
+		return version;
-	}
-
-	private static void onLoadComplete(FMLLoadCompleteEvent event) {
-		Flywheel.freeze();
-	}
-
-	private static void onCommonSetup(FMLCommonSetupEvent event) {
-		ArgumentTypeInfos.registerByClass(BackendArgument.class, BackendArgument.INFO);
-	}
-
-	private static void onRegister(RegisterEvent event) {
-		event.register(ForgeRegistries.Keys.COMMAND_ARGUMENT_TYPES, Flywheel.rl("backend"), () -> BackendArgument.INFO);
-	}
-
-	private static void addDebugInfo(CustomizeGuiOverlayEvent.DebugText event) {
-		Minecraft mc = Minecraft.getInstance();
-
-		if (!mc.options.renderDebug) {
-			return;
-		}
-
-		ArrayList<String> info = event.getRight();
-		info.add("");
-		info.add("Flywheel: " + version);
-		info.add("Backend: " + BackendManagerImpl.getBackendString());
-		info.add("Update limiting: " + (FlwConfig.get().limitUpdates() ? "on" : "off"));
-
-		VisualizationManager manager = VisualizationManager.get(mc.level);
-		if (manager != null) {
-			info.add("B: " + manager.getBlockEntities().getVisualCount()
-					+ ", E: " + manager.getEntities().getVisualCount()
-					+ ", F: " + manager.getEffects().getVisualCount());
-			Vec3i renderOrigin = manager.getRenderOrigin();
-			info.add("Origin: " + renderOrigin.getX() + ", " + renderOrigin.getY() + ", " + renderOrigin.getZ());
-		}
-
-		info.add("Memory Usage: CPU: " + StringUtil.formatBytes(FlwMemoryTracker.getCPUMemory()) + ", GPU: " + StringUtil.formatBytes(FlwMemoryTracker.getGPUMemory()));
 	}
 }

forge/src/main/java/com/jozufozu/flywheel/impl/ForgeFlwConfig.java

@@ -1,4 +1,4 @@
-package com.jozufozu.flywheel.config;
+package com.jozufozu.flywheel.impl;
 
 import org.apache.commons.lang3.tuple.Pair;
 import org.jetbrains.annotations.Nullable;
@@ -14,19 +14,20 @@ import net.minecraftforge.common.ForgeConfigSpec;
 import net.minecraftforge.fml.ModLoadingContext;
 import net.minecraftforge.fml.config.ModConfig;
 
-public class FlwForgeConfig implements FlwConfig {
+public class ForgeFlwConfig implements FlwConfig {
 	private static final Logger LOGGER = LogUtils.getLogger();
-	public static final FlwForgeConfig INSTANCE = new FlwForgeConfig();
+	public static final ForgeFlwConfig INSTANCE = new ForgeFlwConfig();
 
 	public final ClientConfig client;
 	private final ForgeConfigSpec clientSpec;
 
-	private FlwForgeConfig() {
+	private ForgeFlwConfig() {
 		Pair<ClientConfig, ForgeConfigSpec> clientPair = new ForgeConfigSpec.Builder().configure(ClientConfig::new);
 		this.client = clientPair.getLeft();
 		clientSpec = clientPair.getRight();
 	}
 
+	@Override
 	public Backend backend() {
 		Backend backend = parseBackend(client.backend.get());
 		if (backend == null) {
@@ -56,10 +57,12 @@ public class FlwForgeConfig implements FlwConfig {
 		return backend;
 	}
 
+	@Override
 	public boolean limitUpdates() {
 		return client.limitUpdates.get();
 	}
 
+	@Override
 	public int workerThreads() {
 		return client.workerThreads.get();
 	}

forge/src/main/java/com/jozufozu/flywheel/impl/visualization/VisualizationEventHandler.java

@@ -1,80 +0,0 @@
-package com.jozufozu.flywheel.impl.visualization;
-
-import com.jozufozu.flywheel.api.event.BeginFrameEvent;
-import com.jozufozu.flywheel.api.event.RenderStageEvent;
-import com.jozufozu.flywheel.api.visualization.VisualizationManager;
-
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.multiplayer.ClientLevel;
-import net.minecraft.world.level.Level;
-import net.minecraftforge.event.TickEvent;
-import net.minecraftforge.event.entity.EntityJoinLevelEvent;
-import net.minecraftforge.event.entity.EntityLeaveLevelEvent;
-import net.minecraftforge.fml.LogicalSide;
-
-// TODO: fabric event handler
-public final class VisualizationEventHandler {
-	private VisualizationEventHandler() {
-	}
-
-	public static void onClientTick(TickEvent.LevelTickEvent event) {
-		// Make sure we don't tick on the server somehow.
-		if (event.phase != TickEvent.Phase.END || event.side != LogicalSide.CLIENT) {
-			return;
-		}
-
-		// The game won't be paused in the tick event, but let's make sure there's a player.
-		if (Minecraft.getInstance().player == null) {
-			return;
-		}
-
-		VisualizationManagerImpl manager = VisualizationManagerImpl.get(event.level);
-		if (manager == null) {
-			return;
-		}
-
-		manager.tick();
-	}
-
-	public static void onBeginFrame(BeginFrameEvent event) {
-		ClientLevel level = event.context()
-				.level();
-		VisualizationManagerImpl manager = VisualizationManagerImpl.get(level);
-		if (manager == null) {
-			return;
-		}
-
-		manager.beginFrame(event.context());
-	}
-
-	public static void onRenderStage(RenderStageEvent event) {
-		ClientLevel level = event.context()
-				.level();
-		VisualizationManagerImpl manager = VisualizationManagerImpl.get(level);
-		if (manager == null) {
-			return;
-		}
-
-		manager.renderStage(event.context(), event.stage());
-	}
-
-	public static void onEntityJoinLevel(EntityJoinLevelEvent event) {
-		Level level = event.getLevel();
-		VisualizationManager manager = VisualizationManager.get(level);
-		if (manager == null) {
-			return;
-		}
-
-		manager.getEntities().queueAdd(event.getEntity());
-	}
-
-	public static void onEntityLeaveLevel(EntityLeaveLevelEvent event) {
-		Level level = event.getLevel();
-		VisualizationManager manager = VisualizationManager.get(level);
-		if (manager == null) {
-			return;
-		}
-
-		manager.getEntities().queueRemove(event.getEntity());
-	}
-}

forge/src/main/java/com/jozufozu/flywheel/lib/model/baked/PartialModelEventHandler.java

@@ -1,9 +1,19 @@
 package com.jozufozu.flywheel.lib.model.baked;
 
+import java.util.Map;
+
+import org.jetbrains.annotations.ApiStatus;
+
+import net.minecraft.client.resources.model.BakedModel;
+import net.minecraft.resources.ResourceLocation;
 import net.minecraftforge.client.event.ModelEvent;
 
-public class PartialModelEventHandler {
+@ApiStatus.Internal
-	public static void onModelRegistry(ModelEvent.RegisterAdditional event) {
+public final class PartialModelEventHandler {
+	private PartialModelEventHandler() {
+	}
+
+	public static void onRegisterAdditional(ModelEvent.RegisterAdditional event) {
 		for (PartialModel partial : PartialModel.ALL) {
 			event.register(partial.getLocation());
 		}
@@ -11,10 +21,11 @@ public class PartialModelEventHandler {
 		PartialModel.tooLate = true;
 	}
 
-	public static void onModelBake(ModelEvent.BakingCompleted event) {
+	public static void onBakingCompleted(ModelEvent.BakingCompleted event) {
-		var modelRegistry = event.getModels();
+		Map<ResourceLocation, BakedModel> models = event.getModels();
+
 		for (PartialModel partial : PartialModel.ALL) {
-			partial.set(modelRegistry.get(partial.getLocation()));
+			partial.set(models.get(partial.getLocation()));
 		}
 	}
 }

forge/src/main/java/com/jozufozu/flywheel/platform/ClientPlatformImpl.java

@@ -1,125 +0,0 @@
-package com.jozufozu.flywheel.platform;
-
-import java.lang.reflect.Field;
-
-import org.jetbrains.annotations.Nullable;
-import org.slf4j.Logger;
-
-import com.jozufozu.flywheel.api.event.BeginFrameEvent;
-import com.jozufozu.flywheel.api.event.ReloadLevelRendererEvent;
-import com.jozufozu.flywheel.api.event.RenderContext;
-import com.jozufozu.flywheel.api.event.RenderStage;
-import com.jozufozu.flywheel.api.event.RenderStageEvent;
-import com.jozufozu.flywheel.config.FlwConfig;
-import com.jozufozu.flywheel.config.FlwForgeConfig;
-import com.jozufozu.flywheel.lib.model.baked.BakedModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.BlockModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.ForgeBakedModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.ForgeBlockModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.ForgeMultiBlockModelBuilder;
-import com.jozufozu.flywheel.lib.model.baked.MultiBlockModelBuilder;
-import com.jozufozu.flywheel.lib.util.ShadersModHandler;
-import com.mojang.logging.LogUtils;
-
-import net.irisshaders.iris.api.v0.IrisApi;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.multiplayer.ClientLevel;
-import net.minecraft.client.renderer.block.BlockRenderDispatcher;
-import net.minecraft.client.renderer.block.ModelBlockRenderer;
-import net.minecraft.client.resources.model.BakedModel;
-import net.minecraft.core.BlockPos;
-import net.minecraft.world.level.BlockAndTintGetter;
-import net.minecraft.world.level.BlockGetter;
-import net.minecraft.world.level.block.state.BlockState;
-import net.minecraftforge.common.MinecraftForge;
-import net.minecraftforge.fml.ModList;
-import net.minecraftforge.fml.util.ObfuscationReflectionHelper;
-
-public class ClientPlatformImpl implements ClientPlatform {
-	private static final Logger LOGGER = LogUtils.getLogger();
-
-	@Override
-	public void dispatchReloadLevelRenderer(ClientLevel level) {
-		MinecraftForge.EVENT_BUS.post(new ReloadLevelRendererEvent(level));
-	}
-
-	@Override
-	public void dispatchBeginFrame(RenderContext context) {
-		MinecraftForge.EVENT_BUS.post(new BeginFrameEvent(context));
-	}
-
-	@Override
-	public void dispatchRenderStage(RenderContext context, RenderStage stage) {
-		MinecraftForge.EVENT_BUS.post(new RenderStageEvent(context, stage));
-	}
-
-	@Override
-	public boolean isModLoaded(String modid) {
-		return ModList.get()
-				.isLoaded(modid);
-	}
-
-	@Override
-	@Nullable
-	public ShadersModHandler.InternalHandler createIrisOculusHandlerIfPresent() {
-		if (isModLoaded("oculus")) {
-			return new ShadersModHandler.InternalHandler() {
-				@Override
-				public boolean isShaderPackInUse() {
-					return IrisApi.getInstance()
-							.isShaderPackInUse();
-				}
-
-				@Override
-				public boolean isRenderingShadowPass() {
-					return IrisApi.getInstance()
-							.isRenderingShadowPass();
-				}
-			};
-		} else {
-			return null;
-		}
-	}
-
-	@Override
-	public int getLightEmission(BlockState state, BlockGetter level, BlockPos pos) {
-		return state.getLightEmission(level, pos);
-	}
-
-	@Override
-	public FlwConfig getConfigInstance() {
-		return FlwForgeConfig.INSTANCE;
-	}
-
-	@Override
-	public BlockRenderDispatcher createVanillaRenderer() {
-		BlockRenderDispatcher defaultDispatcher = Minecraft.getInstance().getBlockRenderer();
-		BlockRenderDispatcher dispatcher = new BlockRenderDispatcher(null, null, null);
-		try {
-			for (Field field : BlockRenderDispatcher.class.getDeclaredFields()) {
-				field.setAccessible(true);
-				field.set(dispatcher, field.get(defaultDispatcher));
-			}
-			ObfuscationReflectionHelper.setPrivateValue(BlockRenderDispatcher.class, dispatcher, new ModelBlockRenderer(Minecraft.getInstance().getBlockColors()), "f_110900_");
-		} catch (Exception e) {
-			LOGGER.error("Failed to initialize vanilla BlockRenderDispatcher!", e);
-			return defaultDispatcher;
-		}
-		return dispatcher;
-	}
-
-	@Override
-	public BakedModelBuilder bakedModelBuilder(BakedModel bakedModel) {
-		return new ForgeBakedModelBuilder(bakedModel);
-	}
-
-	@Override
-	public BlockModelBuilder blockModelBuilder(BlockState state) {
-		return new ForgeBlockModelBuilder(state);
-	}
-
-	@Override
-	public MultiBlockModelBuilder multiBlockModelBuilder(BlockAndTintGetter level, Iterable<BlockPos> positions) {
-		return new ForgeMultiBlockModelBuilder(level, positions);
-	}
-}

gradle.properties

@@ -15,7 +15,7 @@ mod_homepage = https://github.com/Jozufozu/Flywheel
 # Mod dependency declarations
 minecraft_semver_version_range = >=1.20.1 <1.20.2
 minecraft_maven_version_range = [1.20.1,1.20.2)
-fabric_api_version_range = >=0.84.0
+fabric_api_version_range = >=0.86.0
 forge_version_range = [47.0.0,)
 
 # General build dependency versions