Batching Engine

- Implement alternate backend using SBBs

src/main/java/com/jozufozu/flywheel/api/struct/Batched.java

@@ -1,10 +1,8 @@
 package com.jozufozu.flywheel.api.struct;
 
-import com.jozufozu.flywheel.core.model.Model;
-
 public interface Batched<S> extends StructType<S> {
 
-	BatchingTransformer<S> getTransformer(Model model);
+	BatchingTransformer<S> getTransformer();
 
 	@Override
 	default Batched<S> asBatched() {

src/main/java/com/jozufozu/flywheel/api/struct/BatchingTransformer.java

@@ -1,11 +1,9 @@
 package com.jozufozu.flywheel.api.struct;
 
-import com.mojang.blaze3d.vertex.PoseStack;
-import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.jozufozu.flywheel.core.model.SuperByteBuffer;
 
-public abstract class BatchingTransformer<S> {
+@FunctionalInterface
+public interface BatchingTransformer<S> {
 
-	public void draw(S s, PoseStack stack, VertexConsumer consumer) {
-
-	}
+	void transform(S s, SuperByteBuffer b);
 }

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

@@ -17,10 +17,13 @@ import com.jozufozu.flywheel.api.FlywheelWorld;
 import com.jozufozu.flywheel.api.InstanceData;
 import com.jozufozu.flywheel.api.struct.StructType;
 import com.jozufozu.flywheel.backend.gl.versioned.GlCompat;
+import com.jozufozu.flywheel.backend.instancing.InstancedRenderDispatcher;
 import com.jozufozu.flywheel.config.FlwConfig;
+import com.jozufozu.flywheel.config.FlwEngine;
 import com.jozufozu.flywheel.core.shader.spec.ProgramSpec;
 
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.ClientLevel;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.LevelAccessor;
@@ -29,6 +32,7 @@ public class Backend {
 	public static final Logger log = LogManager.getLogger(Backend.class);
 
 	protected static final Backend INSTANCE = new Backend();
+	private FlwEngine engine;
 
 	public static Backend getInstance() {
 		return INSTANCE;
@@ -57,12 +61,13 @@ public class Backend {
 	 * (Meshlet, MDI, GL31 Draw Instanced are planned), this will name which one is in use.
 	 */
 	public String getBackendDescriptor() {
-		if (canUseInstancing()) {
-			return "GL33 Instanced Arrays";
-		}
+		if (enabled) {
+			ClientLevel level = Minecraft.getInstance().level;
 
-		if (canUseVBOs()) {
-			return "VBOs";
+			if (level == null) {
+				return "Invalid";
+			}
+			return InstancedRenderDispatcher.getEngineName(level);
 		}
 
 		return "Disabled";
@@ -134,8 +139,9 @@ public class Backend {
 
 		instancedArrays = compat.instancedArraysSupported();
 
-		enabled = FlwConfig.get()
-				.enabled() && !OptifineHandler.usingShaders();
+		FlwConfig config = FlwConfig.get();
+		enabled = config.enabled() && !OptifineHandler.usingShaders();
+		engine = config.client.engine.get();
 	}
 
 	public boolean canUseInstancing(@Nullable Level world) {
@@ -188,4 +194,8 @@ public class Backend {
 
 	public static void init() {
 	}
+
+	public FlwEngine getEngine() {
+		return engine;
+	}
 }

src/main/java/com/jozufozu/flywheel/backend/instancing/AbstractInstancer.java

@@ -58,6 +58,14 @@ public abstract class AbstractInstancer<D extends InstanceData> implements Insta
 		anyToRemove = true;
 	}
 
+	public int getModelVertexCount() {
+		return modelData.vertexCount();
+	}
+
+	public int numInstances() {
+		return data.size();
+	}
+
 	protected BitSet getDirtyBitSet() {
 		final int size = data.size();
 		final BitSet dirtySet = new BitSet(size);

src/main/java/com/jozufozu/flywheel/backend/instancing/Engine.java

@@ -3,4 +3,5 @@ package com.jozufozu.flywheel.backend.instancing;
 import com.jozufozu.flywheel.api.MaterialManager;
 
 public interface Engine extends RenderDispatcher, MaterialManager {
+	String getName();
 }

src/main/java/com/jozufozu/flywheel/backend/instancing/InstanceWorld.java

@@ -2,10 +2,12 @@ package com.jozufozu.flywheel.backend.instancing;
 
 import com.jozufozu.flywheel.api.instance.IDynamicInstance;
 import com.jozufozu.flywheel.api.instance.ITickableInstance;
+import com.jozufozu.flywheel.backend.Backend;
 import com.jozufozu.flywheel.backend.instancing.batching.BatchingEngine;
 import com.jozufozu.flywheel.backend.instancing.entity.EntityInstanceManager;
 import com.jozufozu.flywheel.backend.instancing.instancing.InstancingEngine;
 import com.jozufozu.flywheel.backend.instancing.tile.TileInstanceManager;
+import com.jozufozu.flywheel.config.FlwEngine;
 import com.jozufozu.flywheel.core.Contexts;
 import com.jozufozu.flywheel.core.shader.WorldProgram;
 import com.jozufozu.flywheel.event.BeginFrameEvent;
@@ -29,12 +31,11 @@ public class InstanceWorld {
 
 	public InstanceWorld() {
 
-		// TODO: finish impl
-		if (false) {
-			engine = new BatchingEngine();
-			entityInstanceManager = new EntityInstanceManager(engine);
-			tileEntityInstanceManager = new TileInstanceManager(engine);
-		} else {
+		FlwEngine engine = Backend.getInstance()
+				.getEngine();
+
+		switch (engine) {
+		case GL33 -> {
 			InstancingEngine<WorldProgram> manager = InstancingEngine.builder(Contexts.WORLD)
 					.build();
 
@@ -43,7 +44,14 @@ public class InstanceWorld {
 
 			manager.addListener(entityInstanceManager);
 			manager.addListener(tileEntityInstanceManager);
-			engine = manager;
+			this.engine = manager;
+		}
+		case BATCHING -> {
+			this.engine = new BatchingEngine();
+			entityInstanceManager = new EntityInstanceManager(this.engine);
+			tileEntityInstanceManager = new TileInstanceManager(this.engine);
+		}
+		default -> throw new IllegalArgumentException("Unknown engine type");
 		}
 	}
 

src/main/java/com/jozufozu/flywheel/backend/instancing/InstancedRenderDispatcher.java

@@ -41,6 +41,10 @@ public class InstancedRenderDispatcher {
 		getEntities(entity.level).queueUpdate(entity);
 	}
 
+	public static String getEngineName(LevelAccessor world) {
+		return instanceWorlds.get(world).engine.getName();
+	}
+
 	public static InstanceManager<BlockEntity> getTiles(LevelAccessor world) {
 		return instanceWorlds.get(world)
 				.getTileEntityInstanceManager();

src/main/java/com/jozufozu/flywheel/backend/instancing/batching/BatchedMaterial.java

@@ -28,9 +28,9 @@ public class BatchedMaterial<D extends InstanceData> implements Material<D> {
 		return models.computeIfAbsent(key, $ -> new CPUInstancer<>(type, modelSupplier.get()));
 	}
 
-	public void render(PoseStack stack, VertexConsumer buffer) {
+	public void render(PoseStack stack, VertexConsumer buffer, FormatContext context) {
 		for (CPUInstancer<D> instancer : models.values()) {
-			instancer.drawAll(stack, buffer);
+			instancer.drawAll(stack, buffer, context);
 		}
 	}
 

src/main/java/com/jozufozu/flywheel/backend/instancing/batching/BatchedMaterialGroup.java

@@ -6,6 +6,8 @@ import java.util.Map;
 import com.jozufozu.flywheel.api.InstanceData;
 import com.jozufozu.flywheel.api.MaterialGroup;
 import com.jozufozu.flywheel.api.struct.StructType;
+import com.jozufozu.flywheel.backend.model.DirectBufferBuilder;
+import com.jozufozu.flywheel.backend.model.DirectVertexConsumer;
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.blaze3d.vertex.VertexConsumer;
 
@@ -31,8 +33,31 @@ public class BatchedMaterialGroup implements MaterialGroup {
 	public void render(PoseStack stack, MultiBufferSource source) {
 		VertexConsumer buffer = source.getBuffer(state);
 
+		if (buffer instanceof DirectBufferBuilder direct) {
+			DirectVertexConsumer consumer = direct.intoDirectConsumer(calculateNeededVertices());
+
+			renderInto(stack, consumer, new FormatContext(consumer.hasOverlay()));
+
+			direct.updateAfterWriting(consumer);
+		} else {
+			renderInto(stack, buffer, FormatContext.defaultContext());
+		}
+	}
+
+	private int calculateNeededVertices() {
+		int total = 0;
+		for (BatchedMaterial<?> material : materials.values()) {
+			for (CPUInstancer<?> instancer : material.models.values()) {
+				total += instancer.getModelVertexCount() * instancer.numInstances();
+			}
+		}
+
+		return total;
+	}
+
+	private void renderInto(PoseStack stack, VertexConsumer consumer, FormatContext context) {
 		for (BatchedMaterial<?> value : materials.values()) {
-			value.render(stack, buffer);
+			value.render(stack, consumer, context);
 		}
 	}
 

src/main/java/com/jozufozu/flywheel/backend/instancing/batching/BatchingEngine.java

@@ -8,6 +8,7 @@ import com.jozufozu.flywheel.api.MaterialGroup;
 import com.jozufozu.flywheel.backend.RenderLayer;
 import com.jozufozu.flywheel.backend.instancing.Engine;
 import com.jozufozu.flywheel.event.RenderLayerEvent;
+import com.mojang.blaze3d.vertex.PoseStack;
 
 import net.minecraft.client.Camera;
 import net.minecraft.client.renderer.MultiBufferSource;
@@ -40,15 +41,28 @@ public class BatchingEngine implements Engine {
 
 	@Override
 	public void render(RenderLayerEvent event, MultiBufferSource buffers) {
+		PoseStack stack = event.stack;
+
+		stack.pushPose();
+
+		stack.translate(-event.camX, -event.camY, -event.camZ);
+
 		for (Map.Entry<RenderType, BatchedMaterialGroup> entry : layers.get(event.getLayer()).entrySet()) {
 			BatchedMaterialGroup group = entry.getValue();
 
-			group.render(event.stack, buffers);
+			group.render(stack, buffers);
 		}
+
+		stack.popPose();
 	}
 
 	@Override
 	public void beginFrame(Camera info) {
 
 	}
+
+	@Override
+	public String getName() {
+		return "Batching";
+	}
 }

src/main/java/com/jozufozu/flywheel/backend/instancing/batching/CPUInstancer.java

@@ -5,18 +5,23 @@ import com.jozufozu.flywheel.api.struct.BatchingTransformer;
 import com.jozufozu.flywheel.api.struct.StructType;
 import com.jozufozu.flywheel.backend.instancing.AbstractInstancer;
 import com.jozufozu.flywheel.core.model.Model;
+import com.jozufozu.flywheel.core.model.SuperByteBuffer;
 import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.mojang.blaze3d.vertex.VertexFormat;
 
 public class CPUInstancer<D extends InstanceData> extends AbstractInstancer<D> {
 
-	private final BatchingTransformer<D> renderer;
+	private final BatchingTransformer<D> transform;
+
+	private final SuperByteBuffer sbb;
 
 	public CPUInstancer(StructType<D> type, Model modelData) {
 		super(type, modelData);
 
-		renderer = type.asBatched()
-				.getTransformer(modelData);
+		sbb = new SuperByteBuffer(modelData);
+		transform = type.asBatched()
+				.getTransformer();
 	}
 
 	@Override
@@ -24,15 +29,19 @@ public class CPUInstancer<D extends InstanceData> extends AbstractInstancer<D> {
 		// noop
 	}
 
-	public void drawAll(PoseStack stack, VertexConsumer buffer) {
-		if (renderer == null) {
+	public void drawAll(PoseStack stack, VertexConsumer buffer, FormatContext context) {
+		if (transform == null) {
 			return;
 		}
 
 		renderSetup();
 
 		for (D d : data) {
-			renderer.draw(d, stack, buffer);
+			if (context.usesOverlay()) sbb.entityMode();
+
+			transform.transform(d, sbb);
+
+			sbb.renderInto(stack, buffer);
 		}
 	}
 

src/main/java/com/jozufozu/flywheel/backend/instancing/batching/FormatContext.java

@@ -0,0 +1,8 @@
+package com.jozufozu.flywheel.backend.instancing.batching;
+
+public record FormatContext(boolean usesOverlay) {
+
+	public static FormatContext defaultContext() {
+		return new FormatContext(false);
+	}
+}

src/main/java/com/jozufozu/flywheel/backend/instancing/instancing/InstancingEngine.java

@@ -165,6 +165,11 @@ public class InstancingEngine<P extends WorldProgram> implements Engine {
 		}
 	}
 
+	@Override
+	public String getName() {
+		return "GL33 Instanced Arrays";
+	}
+
 	@FunctionalInterface
 	public interface OriginShiftListener {
 		void onOriginShift();

src/main/java/com/jozufozu/flywheel/backend/model/DirectBufferBuilder.java

@@ -0,0 +1,8 @@
+package com.jozufozu.flywheel.backend.model;
+
+public interface DirectBufferBuilder {
+
+	DirectVertexConsumer intoDirectConsumer(int neededVerts);
+
+	void updateAfterWriting(DirectVertexConsumer complete);
+}

src/main/java/com/jozufozu/flywheel/backend/model/DirectVertexConsumer.java

@@ -0,0 +1,136 @@
+package com.jozufozu.flywheel.backend.model;
+
+import java.nio.ByteBuffer;
+
+import org.lwjgl.system.MemoryUtil;
+
+import com.jozufozu.flywheel.util.RenderMath;
+import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.mojang.blaze3d.vertex.VertexFormat;
+import com.mojang.blaze3d.vertex.VertexFormatElement;
+
+public class DirectVertexConsumer implements VertexConsumer {
+
+	public final VertexFormat format;
+	private final int stride;
+	public final int startPos;
+
+	private int position = -1;
+	private int normal = -1;
+	private int color = -1;
+	private int uv = -1;
+	private int uv1 = -1;
+	private int uv2 = -1;
+
+	private long vertexBase;
+	private int vertexCount;
+
+	public DirectVertexConsumer(ByteBuffer buffer, VertexFormat format) {
+		this.format = format;
+		startPos = buffer.position();
+		stride = format.getVertexSize();
+
+		int offset = 0;
+
+		for (VertexFormatElement element : format.getElements()) {
+			switch (element.getUsage()) {
+			case POSITION -> this.position = offset;
+			case NORMAL -> this.normal = offset;
+			case COLOR -> this.color = offset;
+			case UV -> {
+				switch (element.getIndex()) {
+					case 0 -> this.uv = offset;
+					case 1 -> this.uv1 = offset;
+					case 2 -> this.uv2 = offset;
+				}
+			}
+			}
+
+			offset += element.getByteSize();
+		}
+
+		this.vertexBase = MemoryUtil.memAddress(buffer);
+	}
+
+	public boolean hasOverlay() {
+		return uv1 >= 0;
+	}
+
+	@Override
+	public VertexConsumer vertex(double x, double y, double z) {
+		if (position < 0) return this;
+		long base = vertexBase + position;
+		MemoryUtil.memPutFloat(base, (float) x);
+		MemoryUtil.memPutFloat(base + 4, (float) y);
+		MemoryUtil.memPutFloat(base + 8, (float) z);
+		return this;
+	}
+
+	@Override
+	public VertexConsumer color(int r, int g, int b, int a) {
+		if (color < 0) return this;
+		long base = vertexBase + color;
+		MemoryUtil.memPutByte(base, (byte) r);
+		MemoryUtil.memPutByte(base + 1, (byte) g);
+		MemoryUtil.memPutByte(base + 2, (byte) b);
+		MemoryUtil.memPutByte(base + 3, (byte) a);
+		return this;
+	}
+
+	@Override
+	public VertexConsumer uv(float u, float v) {
+		if (uv < 0) return this;
+		long base = vertexBase + uv;
+		MemoryUtil.memPutFloat(base, u);
+		MemoryUtil.memPutFloat(base + 4, v);
+		return this;
+	}
+
+	@Override
+	public VertexConsumer overlayCoords(int u, int v) {
+		if (uv1 < 0) return this;
+		long base = vertexBase + uv1;
+		MemoryUtil.memPutShort(base, (short) u);
+		MemoryUtil.memPutShort(base + 2, (short) v);
+		return this;
+	}
+
+	@Override
+	public VertexConsumer uv2(int u, int v) {
+		if (uv2 < 0) return this;
+		long base = vertexBase + uv2;
+		MemoryUtil.memPutShort(base, (short) u);
+		MemoryUtil.memPutShort(base + 2, (short) v);
+		return this;
+	}
+
+	@Override
+	public VertexConsumer normal(float x, float y, float z) {
+		if (normal < 0) return this;
+		long base = vertexBase + normal;
+		MemoryUtil.memPutByte(base, RenderMath.nb(x));
+		MemoryUtil.memPutByte(base + 1, RenderMath.nb(y));
+		MemoryUtil.memPutByte(base + 2, RenderMath.nb(z));
+		return this;
+	}
+
+	@Override
+	public void endVertex() {
+		vertexBase += stride;
+		vertexCount++;
+	}
+
+	@Override
+	public void defaultColor(int r, int g, int b, int a) {
+
+	}
+
+	@Override
+	public void unsetDefaultColor() {
+
+	}
+
+	public int getVertexCount() {
+		return vertexCount;
+	}
+}

src/main/java/com/jozufozu/flywheel/backend/model/package-info.java

@@ -0,0 +1,6 @@
+@ParametersAreNonnullByDefault @MethodsReturnNonnullByDefault
+package com.jozufozu.flywheel.backend.model;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import net.minecraft.MethodsReturnNonnullByDefault;

src/main/java/com/jozufozu/flywheel/backend/struct/BufferWriter.java

@@ -18,14 +18,22 @@ public abstract class BufferWriter<S> implements StructWriter<S> {
 		this.stride = this.format.getStride();
 	}
 
-	/**
-	 * Advances the write pointer forward by the stride of one vertex. This should always be called after a
-	 * vertex is written. Implementations which override this should always call invoke the super implementation.
-	 */
-	protected void advance() {
-
+	@Override
+	public final void write(S struct) {
+		writeInternal(struct);
+		advance();
 	}
 
+	/**
+	 * Advances the write pointer forward by the stride of one vertex.
+	 * This will always be called after a struct is written, implementors need not call it themselves.
+	 *
+	 * @see #write
+	 */
+	protected abstract void advance();
+
+	protected abstract void writeInternal(S s);
+
 	@Override
 	public void seek(int pos) {
 		backingBuffer.position(pos * stride);

src/main/java/com/jozufozu/flywheel/backend/struct/UnsafeBufferWriter.java

@@ -15,7 +15,7 @@ import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
  */
 public abstract class UnsafeBufferWriter<S> extends BufferWriter<S> {
 	/**
-	 * The write pointer into the buffer storage. This is advanced by the vertex stride every time
+	 * The write pointer into the buffer storage. This is advanced by the stride every time
 	 * {@link UnsafeBufferWriter#advance()} is called.
 	 */
 	protected long writePointer;
@@ -35,8 +35,6 @@ public abstract class UnsafeBufferWriter<S> extends BufferWriter<S> {
 	@Override
 	protected void advance() {
 		this.writePointer += this.stride;
-
-		super.advance();
 	}
 
 	private void acquireWritePointer() {

src/main/java/com/jozufozu/flywheel/config/EngineConfigCommand.java

@@ -0,0 +1,32 @@
+package com.jozufozu.flywheel.config;
+
+import com.mojang.brigadier.Command;
+import com.mojang.brigadier.builder.ArgumentBuilder;
+
+import net.minecraft.commands.CommandSourceStack;
+import net.minecraft.commands.Commands;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraftforge.network.PacketDistributor;
+import net.minecraftforge.server.command.EnumArgument;
+
+public class EngineConfigCommand {
+	public ArgumentBuilder<CommandSourceStack, ?> register() {
+		return Commands.literal("engine")
+				.executes(context -> {
+					ServerPlayer player = context.getSource()
+							.getPlayerOrException();
+					FlwPackets.channel.send(PacketDistributor.PLAYER.with(() -> player), new SConfigureEnginePacket());
+					return Command.SINGLE_SUCCESS;
+				})
+				.then(Commands.argument("type", EnumArgument.enumArgument(FlwEngine.class))
+						.executes(context -> {
+							FlwEngine type = context.getArgument("type", FlwEngine.class);
+
+							ServerPlayer player = context.getSource()
+									.getPlayerOrException();
+							FlwPackets.channel.send(PacketDistributor.PLAYER.with(() -> player), new SConfigureEnginePacket(type));
+
+							return Command.SINGLE_SUCCESS;
+						}));
+	}
+}

src/main/java/com/jozufozu/flywheel/config/FlwCommands.java

@@ -17,6 +17,7 @@ public class FlwCommands {
 		dispatcher.register(Commands.literal("flywheel")
 									.then(new BooleanConfigCommand("backend", BooleanConfig.ENGINE).register())
 									.then(new BooleanConfigCommand("debugNormals", BooleanConfig.NORMAL_OVERLAY).register())
+									.then(new EngineConfigCommand().register())
 		);
 	}
 }

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

@@ -39,6 +39,7 @@ public class FlwConfig {
 
 	public static class ClientConfig {
 		public final BooleanValue enabled;
+		public final ForgeConfigSpec.EnumValue<FlwEngine> engine;
 		public final BooleanValue debugNormals;
 
 		public ClientConfig(ForgeConfigSpec.Builder builder) {
@@ -46,6 +47,9 @@ public class FlwConfig {
 			enabled = builder.comment("Enable or disable the entire engine")
 					.define("enabled", true);
 
+			engine = builder.comment("Enable or disable the entire engine")
+					.defineEnum("backend", FlwEngine.GL33);
+
 			debugNormals = builder.comment("Enable or disable a debug overlay that colors pixels by their normal")
 					.define("debugNormals", false);
 		}

src/main/java/com/jozufozu/flywheel/config/FlwEngine.java

@@ -0,0 +1,57 @@
+package com.jozufozu.flywheel.config;
+
+import javax.annotation.Nullable;
+
+import com.jozufozu.flywheel.backend.Backend;
+import com.jozufozu.flywheel.backend.OptifineHandler;
+
+import net.minecraft.ChatFormatting;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.player.LocalPlayer;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.TextComponent;
+
+public enum FlwEngine {
+	BATCHING(new TextComponent("Batching").withStyle(ChatFormatting.BLUE)),
+	GL33(new TextComponent("GL 3.3 Instanced Arrays").withStyle(ChatFormatting.GREEN)),
+
+	;
+
+	private final Component name;
+
+	FlwEngine(Component name) {
+		this.name = name;
+	}
+
+	@Nullable
+	public static FlwEngine decode(FriendlyByteBuf buffer) {
+		byte b = buffer.readByte();
+
+		if (b == -1) return null;
+
+		return values()[b];
+	}
+
+	public void encode(FriendlyByteBuf buffer) {
+		buffer.writeByte(this.ordinal());
+	}
+
+	public void switchTo() {
+		LocalPlayer player = Minecraft.getInstance().player;
+		if (player == null) return;
+
+//		if (state == BooleanDirective.DISPLAY) {
+//			Component text = new TextComponent("Flywheel renderer is currently: ").append(boolToText(FlwConfig.get().enabled()));
+//			player.displayClientMessage(text, false);
+//			return;
+//		}
+
+		FlwConfig.get().client.engine.set(this);
+
+		Component text = new TextComponent("Using ").withStyle(ChatFormatting.WHITE).append(name);
+
+		player.displayClientMessage(text, false);
+		Backend.reloadWorldRenderers();
+	}
+}

src/main/java/com/jozufozu/flywheel/config/FlwPackets.java

@@ -24,5 +24,11 @@ public class FlwPackets {
 				.encoder(SConfigureBooleanPacket::encode)
 				.consumer(SConfigureBooleanPacket::execute)
 				.add();
+
+		channel.messageBuilder(SConfigureEnginePacket.class, 1, NetworkDirection.PLAY_TO_CLIENT)
+				.decoder(SConfigureEnginePacket::new)
+				.encoder(SConfigureEnginePacket::encode)
+				.consumer(SConfigureEnginePacket::execute)
+				.add();
 	}
 }

src/main/java/com/jozufozu/flywheel/config/SConfigureEnginePacket.java

@@ -0,0 +1,38 @@
+package com.jozufozu.flywheel.config;
+
+import java.util.function.Supplier;
+
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraftforge.network.NetworkEvent;
+
+public class SConfigureEnginePacket {
+
+	private final FlwEngine type;
+
+	public SConfigureEnginePacket() {
+		type = null;
+	}
+
+	public SConfigureEnginePacket(FlwEngine type) {
+		this.type = type;
+	}
+
+	public SConfigureEnginePacket(FriendlyByteBuf buffer) {
+		type = FlwEngine.decode(buffer);
+	}
+
+	public void encode(FriendlyByteBuf buffer) {
+		if (type != null)
+			type.encode(buffer);
+		else
+			buffer.writeByte(-1);
+	}
+
+	public void execute(Supplier<NetworkEvent.Context> ctx) {
+		if (type != null) {
+			type.switchTo();
+		}
+		ctx.get()
+				.setPacketHandled(true);
+	}
+}

src/main/java/com/jozufozu/flywheel/core/materials/BasicData.java

@@ -2,6 +2,8 @@ package com.jozufozu.flywheel.core.materials;
 
 import com.jozufozu.flywheel.api.InstanceData;
 
+import net.minecraft.client.renderer.LightTexture;
+
 public abstract class BasicData extends InstanceData implements FlatLit<BasicData> {
 
 	public byte blockLight;
@@ -14,18 +16,23 @@ public abstract class BasicData extends InstanceData implements FlatLit<BasicDat
 
 	@Override
 	public BasicData setBlockLight(int blockLight) {
-		this.blockLight = (byte) (blockLight << 4);
+		this.blockLight = (byte) blockLight;
 		markDirty();
 		return this;
 	}
 
 	@Override
 	public BasicData setSkyLight(int skyLight) {
-		this.skyLight = (byte) (skyLight << 4);
+		this.skyLight = (byte) skyLight;
 		markDirty();
 		return this;
 	}
 
+	@Override
+	public int getPackedLight() {
+		return LightTexture.pack(this.blockLight, this.skyLight);
+	}
+
 	public BasicData setColor(int color) {
 		return setColor(color, false);
 	}

src/main/java/com/jozufozu/flywheel/core/materials/FlatLit.java

@@ -24,4 +24,6 @@ public interface FlatLit<D extends InstanceData & FlatLit<D>> {
 	 * @return <code>this</code>
 	 */
 	D setSkyLight(int skyLight);
+
+	int getPackedLight();
 }

src/main/java/com/jozufozu/flywheel/core/materials/UnsafeBasicWriter.java

@@ -0,0 +1,25 @@
+package com.jozufozu.flywheel.core.materials;
+
+import org.lwjgl.system.MemoryUtil;
+
+import com.jozufozu.flywheel.api.struct.StructType;
+import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
+import com.jozufozu.flywheel.backend.struct.UnsafeBufferWriter;
+
+public abstract class UnsafeBasicWriter<D extends BasicData> extends UnsafeBufferWriter<D> {
+
+	public UnsafeBasicWriter(VecBuffer backingBuffer, StructType<D> vertexType) {
+		super(backingBuffer, vertexType);
+	}
+
+	@Override
+	protected void writeInternal(D d) {
+		long addr = writePointer;
+		MemoryUtil.memPutByte(addr, (byte) (d.blockLight << 4));
+		MemoryUtil.memPutByte(addr + 1, (byte) (d.skyLight << 4));
+		MemoryUtil.memPutByte(addr + 2, d.r);
+		MemoryUtil.memPutByte(addr + 3, d.g);
+		MemoryUtil.memPutByte(addr + 4, d.b);
+		MemoryUtil.memPutByte(addr + 5, d.a);
+	}
+}

src/main/java/com/jozufozu/flywheel/core/materials/model/ModelTransformer.java

@@ -1,12 +0,0 @@
-package com.jozufozu.flywheel.core.materials.model;
-
-import com.jozufozu.flywheel.api.struct.BatchingTransformer;
-import com.jozufozu.flywheel.core.model.Model;
-
-public class ModelTransformer extends BatchingTransformer<ModelData> {
-	public ModelTransformer(Model model) {
-
-
-		//model.buffer();
-	}
-}

src/main/java/com/jozufozu/flywheel/core/materials/model/ModelType.java

@@ -8,8 +8,6 @@ import com.jozufozu.flywheel.backend.gl.attrib.VertexFormat;
 import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
 import com.jozufozu.flywheel.core.Formats;
 import com.jozufozu.flywheel.core.Programs;
-import com.jozufozu.flywheel.core.materials.model.writer.UnsafeModelWriter;
-import com.jozufozu.flywheel.core.model.Model;
 
 import net.minecraft.resources.ResourceLocation;
 
@@ -36,7 +34,11 @@ public class ModelType implements Instanced<ModelData>, Batched<ModelData> {
 	}
 
 	@Override
-	public BatchingTransformer<ModelData> getTransformer(Model model) {
-		return null;
+	public BatchingTransformer<ModelData> getTransformer() {
+		return (d, b) -> {
+			b.transform(d.model, d.normal)
+					.color(d.r, d.g, d.b, d.a)
+					.light(d.getPackedLight());
+		};
 	}
 }

src/main/java/com/jozufozu/flywheel/core/materials/model/UnsafeModelWriter.java

@@ -0,0 +1,23 @@
+package com.jozufozu.flywheel.core.materials.model;
+
+import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
+import com.jozufozu.flywheel.api.struct.StructType;
+import com.jozufozu.flywheel.core.materials.UnsafeBasicWriter;
+import com.jozufozu.flywheel.util.WriteUnsafe;
+
+public class UnsafeModelWriter extends UnsafeBasicWriter<ModelData> {
+
+	public UnsafeModelWriter(VecBuffer backingBuffer, StructType<ModelData> vertexType) {
+		super(backingBuffer, vertexType);
+	}
+
+	@Override
+	protected void writeInternal(ModelData d) {
+		super.writeInternal(d);
+		long addr = writePointer + 6;
+
+		((WriteUnsafe) (Object) d.model).writeUnsafe(addr);
+		addr += 4 * 16;
+		((WriteUnsafe) (Object) d.normal).writeUnsafe(addr);
+	}
+}

src/main/java/com/jozufozu/flywheel/core/materials/model/writer/UnsafeModelWriter.java

@@ -1,35 +0,0 @@
-package com.jozufozu.flywheel.core.materials.model.writer;
-
-import org.lwjgl.system.MemoryUtil;
-
-import com.jozufozu.flywheel.api.struct.StructType;
-import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
-import com.jozufozu.flywheel.backend.struct.UnsafeBufferWriter;
-import com.jozufozu.flywheel.core.materials.model.ModelData;
-import com.jozufozu.flywheel.util.WriteUnsafe;
-
-public class UnsafeModelWriter extends UnsafeBufferWriter<ModelData> {
-
-	public UnsafeModelWriter(VecBuffer backingBuffer, StructType<ModelData> vertexType) {
-		super(backingBuffer, vertexType);
-	}
-
-	@Override
-	public void write(ModelData d) {
-		long addr = writePointer;
-		MemoryUtil.memPutByte(addr, d.blockLight);
-		MemoryUtil.memPutByte(addr + 1, d.skyLight);
-		MemoryUtil.memPutByte(addr + 2, d.r);
-		MemoryUtil.memPutByte(addr + 3, d.g);
-		MemoryUtil.memPutByte(addr + 4, d.b);
-		MemoryUtil.memPutByte(addr + 5, d.a);
-
-		addr += 6;
-
-		((WriteUnsafe) (Object) d.model).writeUnsafe(addr);
-		addr += 4 * 16;
-		((WriteUnsafe) (Object) d.normal).writeUnsafe(addr);
-
-		advance();
-	}
-}

src/main/java/com/jozufozu/flywheel/core/materials/oriented/OrientedType.java

@@ -8,8 +8,7 @@ import com.jozufozu.flywheel.backend.gl.attrib.VertexFormat;
 import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
 import com.jozufozu.flywheel.core.Formats;
 import com.jozufozu.flywheel.core.Programs;
-import com.jozufozu.flywheel.core.materials.oriented.writer.UnsafeOrientedWriter;
-import com.jozufozu.flywheel.core.model.Model;
+import com.mojang.math.Quaternion;
 
 import net.minecraft.resources.ResourceLocation;
 
@@ -36,7 +35,13 @@ public class OrientedType implements Instanced<OrientedData>, Batched<OrientedDa
 	}
 
 	@Override
-	public BatchingTransformer<OrientedData> getTransformer(Model model) {
-		return null;
+	public BatchingTransformer<OrientedData> getTransformer() {
+		return (d, sbb) -> {
+			sbb.light(d.getPackedLight())
+					.color(d.r, d.g, d.b, d.a)
+					.translate(d.posX + d.pivotX, d.posY + d.pivotY, d.posZ + d.pivotZ)
+					.multiply(new Quaternion(d.qX, d.qY, d.qZ, d.qW))
+					.translate(-d.pivotX, -d.pivotY, -d.pivotZ);
+		};
 	}
 }

src/main/java/com/jozufozu/flywheel/core/materials/oriented/UnsafeOrientedWriter.java

@@ -1,26 +1,20 @@
-package com.jozufozu.flywheel.core.materials.oriented.writer;
+package com.jozufozu.flywheel.core.materials.oriented;
 
 import org.lwjgl.system.MemoryUtil;
 
-import com.jozufozu.flywheel.api.struct.StructType;
 import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
-import com.jozufozu.flywheel.backend.struct.UnsafeBufferWriter;
-import com.jozufozu.flywheel.core.materials.oriented.OrientedData;
+import com.jozufozu.flywheel.api.struct.StructType;
+import com.jozufozu.flywheel.core.materials.UnsafeBasicWriter;
 
-public class UnsafeOrientedWriter extends UnsafeBufferWriter<OrientedData> {
+public class UnsafeOrientedWriter extends UnsafeBasicWriter<OrientedData> {
 	public UnsafeOrientedWriter(VecBuffer backingBuffer, StructType<OrientedData> vertexType) {
 		super(backingBuffer, vertexType);
 	}
 
 	@Override
-	public void write(OrientedData d) {
+	protected void writeInternal(OrientedData d) {
 		long addr = writePointer;
-		MemoryUtil.memPutByte(addr, d.blockLight);
-		MemoryUtil.memPutByte(addr + 1, d.skyLight);
-		MemoryUtil.memPutByte(addr + 2, d.r);
-		MemoryUtil.memPutByte(addr + 3, d.g);
-		MemoryUtil.memPutByte(addr + 4, d.b);
-		MemoryUtil.memPutByte(addr + 5, d.a);
+		super.writeInternal(d);
 
 		MemoryUtil.memPutFloat(addr + 6, d.posX);
 		MemoryUtil.memPutFloat(addr + 10, d.posY);
@@ -32,7 +26,5 @@ public class UnsafeOrientedWriter extends UnsafeBufferWriter<OrientedData> {
 		MemoryUtil.memPutFloat(addr + 34, d.qY);
 		MemoryUtil.memPutFloat(addr + 38, d.qZ);
 		MemoryUtil.memPutFloat(addr + 42, d.qW);
-
-		advance();
 	}
 }

src/main/java/com/jozufozu/flywheel/core/materials/package-info.java

@@ -0,0 +1,6 @@
+@ParametersAreNonnullByDefault @MethodsReturnNonnullByDefault
+package com.jozufozu.flywheel.core.materials;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import net.minecraft.MethodsReturnNonnullByDefault;

src/main/java/com/jozufozu/flywheel/core/model/BakedModelModel.java

@@ -1,138 +0,0 @@
-package com.jozufozu.flywheel.core.model;
-
-import java.nio.Buffer;
-import java.nio.ByteBuffer;
-import java.nio.IntBuffer;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Random;
-
-import org.lwjgl.system.MemoryStack;
-
-import com.jozufozu.flywheel.backend.gl.attrib.VertexFormat;
-import com.jozufozu.flywheel.core.Formats;
-import com.jozufozu.flywheel.util.VirtualEmptyModelData;
-import com.mojang.blaze3d.vertex.DefaultVertexFormat;
-import com.mojang.blaze3d.vertex.VertexConsumer;
-import com.mojang.math.Vector3f;
-
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.color.item.ItemColors;
-import net.minecraft.client.renderer.block.model.BakedQuad;
-import net.minecraft.client.resources.model.BakedModel;
-import net.minecraft.core.Direction;
-import net.minecraft.core.Vec3i;
-
-public class BakedModelModel implements Model {
-	// DOWN, UP, NORTH, SOUTH, WEST, EAST, null
-	private static final Direction[] dirs;
-
-	static {
-		Direction[] directions = Direction.values();
-
-		dirs = Arrays.copyOf(directions, directions.length + 1);
-	}
-
-
-	public final BakedModel model;
-	private final int numQuads;
-
-	public BakedModelModel(BakedModel model) {
-		this.model = model;
-
-		Random random = new Random();
-
-		int numQuads = 0;
-
-		for (Direction dir : dirs) {
-			random.setSeed(42);
-			List<BakedQuad> quads = model.getQuads(null, dir, random, VirtualEmptyModelData.INSTANCE);
-
-			numQuads += quads.size();
-		}
-
-		this.numQuads = numQuads;
-	}
-
-	@Override
-	public String name() {
-		return model.toString();
-	}
-
-	@Override
-	public void buffer(VertexConsumer buffer) {
-
-		Minecraft mc = Minecraft.getInstance();
-
-		ItemColors itemColors = mc.getItemColors();
-
-		Random random = new Random();
-
-		for (Direction dir : dirs) {
-			random.setSeed(42);
-			List<BakedQuad> quads = model.getQuads(null, dir, random, VirtualEmptyModelData.INSTANCE);
-
-			for (BakedQuad bakedQuad : quads) {
-//				int i = -1;
-//				if (!itemStack.isEmpty() && bakedQuad.isTinted()) {
-//					i = itemColors.getColor(itemStack, bakedQuad.getTintIndex());
-//				}
-//
-//				byte red = (byte)(i >> 16 & 255);
-//				byte green = (byte)(i >> 8 & 255);
-//				byte blue = (byte)(i & 255);
-
-				int[] aint = bakedQuad.getVertices();
-				Vec3i faceNormal = bakedQuad.getDirection().getNormal();
-				Vector3f normal = new Vector3f((float)faceNormal.getX(), (float)faceNormal.getY(), (float)faceNormal.getZ());
-				int intSize = DefaultVertexFormat.BLOCK.getIntegerSize();
-				int vertexCount = aint.length / intSize;
-
-				try (MemoryStack memorystack = MemoryStack.stackPush()) {
-					ByteBuffer bytebuffer = memorystack.malloc(DefaultVertexFormat.BLOCK.getVertexSize());
-					IntBuffer intbuffer = bytebuffer.asIntBuffer();
-
-					for(int j = 0; j < vertexCount; ++j) {
-						((Buffer)intbuffer).clear();
-						intbuffer.put(aint, j * 8, 8);
-						float f = bytebuffer.getFloat(0);
-						float f1 = bytebuffer.getFloat(4);
-						float f2 = bytebuffer.getFloat(8);
-//						float cr;
-//						float cg;
-//						float cb;
-//						float ca;
-//						{
-//							float r = (float)(bytebuffer.get(12) & 255) / 255.0F;
-//							float g = (float)(bytebuffer.get(13) & 255) / 255.0F;
-//							float b = (float)(bytebuffer.get(14) & 255) / 255.0F;
-//							float a = (float)(bytebuffer.get(15) & 255) / 255.0F;
-//							cr = r * red;
-//							cg = g * green;
-//							cb = b * blue;
-//							ca = a;
-//						}
-
-						float u = bytebuffer.getFloat(16);
-						float v = bytebuffer.getFloat(20);
-
-						buffer.vertex(f, f1, f2);
-						buffer.normal(normal.x(), normal.y(), normal.z());
-						buffer.uv(u, v);
-						buffer.endVertex();
-					}
-				}
-			}
-		}
-	}
-
-	@Override
-	public int vertexCount() {
-		return numQuads * 4;
-	}
-
-	@Override
-	public VertexFormat format() {
-		return Formats.UNLIT_MODEL;
-	}
-}

src/main/java/com/jozufozu/flywheel/core/model/BlockModel.java

@@ -5,6 +5,7 @@ import java.util.Arrays;
 import com.jozufozu.flywheel.backend.gl.attrib.VertexFormat;
 import com.jozufozu.flywheel.core.Formats;
 import com.jozufozu.flywheel.util.BufferBuilderReader;
+import com.jozufozu.flywheel.util.ModelReader;
 import com.jozufozu.flywheel.util.RenderMath;
 import com.jozufozu.flywheel.util.VirtualEmptyModelData;
 import com.mojang.blaze3d.vertex.BufferBuilder;
@@ -27,7 +28,7 @@ import net.minecraft.world.level.block.state.BlockState;
 public class BlockModel implements Model {
 	private static final PoseStack IDENTITY = new PoseStack();
 
-	private final BufferBuilderReader reader;
+	private final ModelReader reader;
 
 	private final String name;
 
@@ -69,7 +70,7 @@ public class BlockModel implements Model {
 		for (int i = 0; i < vertexCount; i++) {
 			buffer.vertex(reader.getX(i), reader.getY(i), reader.getZ(i));
 
-			buffer.normal(RenderMath.f(reader.getNX(i)), RenderMath.f(reader.getNY(i)), RenderMath.f(reader.getNZ(i)));
+			buffer.normal(reader.getNX(i), reader.getNY(i), reader.getNZ(i));
 
 			buffer.uv(reader.getU(i), reader.getV(i));
 
@@ -77,6 +78,11 @@ public class BlockModel implements Model {
 		}
 	}
 
+	@Override
+	public ModelReader getReader() {
+		return reader;
+	}
+
 	public static BufferBuilder getBufferBuilder(BakedModel model, BlockState referenceState, PoseStack ms) {
 		Minecraft mc = Minecraft.getInstance();
 		BlockRenderDispatcher dispatcher = mc.getBlockRenderer();
@@ -96,12 +102,4 @@ public class BlockModel implements Model {
 		return builder;
 	}
 
-	// DOWN, UP, NORTH, SOUTH, WEST, EAST, null
-	private static final Direction[] dirs;
-
-	static {
-		Direction[] directions = Direction.values();
-
-		dirs = Arrays.copyOf(directions, directions.length + 1);
-	}
 }

src/main/java/com/jozufozu/flywheel/core/model/Model.java

@@ -3,6 +3,7 @@ package com.jozufozu.flywheel.core.model;
 import com.jozufozu.flywheel.backend.gl.attrib.VertexFormat;
 import com.jozufozu.flywheel.backend.model.ElementBuffer;
 import com.jozufozu.flywheel.core.QuadConverter;
+import com.jozufozu.flywheel.util.ModelReader;
 import com.mojang.blaze3d.vertex.VertexConsumer;
 
 /**
@@ -76,4 +77,6 @@ public interface Model {
 	default boolean empty() {
 		return vertexCount() == 0;
 	}
+
+	ModelReader getReader();
 }

src/main/java/com/jozufozu/flywheel/core/model/ModelPart.java

@@ -1,10 +1,15 @@
 package com.jozufozu.flywheel.core.model;
 
+import java.nio.ByteBuffer;
 import java.util.List;
 
 import com.jozufozu.flywheel.backend.gl.attrib.VertexFormat;
+import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
 import com.jozufozu.flywheel.core.Formats;
+import com.jozufozu.flywheel.util.ModelReader;
+import com.jozufozu.flywheel.util.RenderMath;
 import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.mojang.math.Vector3f;
 
 public class ModelPart implements Model {
 
@@ -48,4 +53,95 @@ public class ModelPart implements Model {
 	public VertexFormat format() {
 		return Formats.UNLIT_MODEL;
 	}
+
+	@Override
+	public ModelReader getReader() {
+		return new PartReader(this);
+	}
+
+	private class PartReader implements ModelReader {
+
+		private final ByteBuffer buffer;
+
+		private PartReader(ModelPart part) {
+			this.buffer = ByteBuffer.allocate(part.size());
+			VecBufferWriter writer = new VecBufferWriter(this.buffer);
+
+			buffer(writer);
+		}
+
+		private int vertIdx(int vertexIndex) {
+			return vertexIndex * format().getStride();
+		}
+
+		@Override
+		public float getX(int index) {
+			return buffer.getFloat(vertIdx(index));
+		}
+
+		@Override
+		public float getY(int index) {
+			return buffer.getFloat(vertIdx(index) + 4);
+		}
+
+		@Override
+		public float getZ(int index) {
+			return buffer.getFloat(vertIdx(index) + 8);
+		}
+
+		@Override
+		public byte getR(int index) {
+			return (byte) 0xFF;
+		}
+
+		@Override
+		public byte getG(int index) {
+			return (byte) 0xFF;
+		}
+
+		@Override
+		public byte getB(int index) {
+			return (byte) 0xFF;
+		}
+
+		@Override
+		public byte getA(int index) {
+			return (byte) 0xFF;
+		}
+
+		@Override
+		public float getU(int index) {
+			return buffer.getFloat(vertIdx(index) + 15);
+		}
+
+		@Override
+		public float getV(int index) {
+			return buffer.getFloat(vertIdx(index) + 19);
+		}
+
+		@Override
+		public int getLight(int index) {
+			return 0;
+		}
+
+		@Override
+		public float getNX(int index) {
+			return RenderMath.f(buffer.get(vertIdx(index) + 12));
+		}
+
+		@Override
+		public float getNY(int index) {
+			return RenderMath.f(buffer.get(vertIdx(index) + 13));
+		}
+
+		@Override
+		public float getNZ(int index) {
+			return RenderMath.f(buffer.get(vertIdx(index) + 14));
+		}
+
+		@Override
+		public int getVertexCount() {
+			return vertices;
+		}
+	}
 }

src/main/java/com/jozufozu/flywheel/core/model/RecordingVertexConsumer.java

@@ -1,70 +0,0 @@
-package com.jozufozu.flywheel.core.model;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.function.Consumer;
-
-import com.google.common.collect.ImmutableList;
-import com.mojang.blaze3d.vertex.VertexConsumer;
-
-public class RecordingVertexConsumer implements VertexConsumer {
-
-	List<Consumer<VertexConsumer>> replay = new ArrayList<>();
-
-	@Override
-	public VertexConsumer vertex(double x, double y, double z) {
-		replay.add(v -> v.vertex(x, y, z));
-		return this;
-	}
-
-	@Override
-	public VertexConsumer color(int r, int g, int b, int a) {
-		replay.add(v -> v.color(r, g, b, a));
-		return this;
-	}
-
-	@Override
-	public VertexConsumer uv(float u, float v) {
-		replay.add(vc -> vc.uv(u, v));
-		return this;
-	}
-
-	@Override
-	public VertexConsumer overlayCoords(int u, int v) {
-		replay.add(vc -> vc.overlayCoords(u, v));
-		return this;
-	}
-
-	@Override
-	public VertexConsumer uv2(int u, int v) {
-		replay.add(vc -> vc.uv2(u, v));
-		return this;
-	}
-
-	@Override
-	public VertexConsumer normal(float x, float y, float z) {
-		replay.add(v -> v.normal(x, y, z));
-		return this;
-	}
-
-	@Override
-	public void endVertex() {
-		replay.add(VertexConsumer::endVertex);
-	}
-
-	@Override
-	public void defaultColor(int r, int g, int b, int a) {
-		replay.add(vc -> vc.defaultColor(r, g, b, a));
-	}
-
-	@Override
-	public void unsetDefaultColor() {
-		replay.add(VertexConsumer::unsetDefaultColor);
-	}
-
-	public VertexRecording saveRecording() {
-		VertexRecording out = new VertexRecording(ImmutableList.copyOf(replay));
-		replay.clear();
-		return out;
-	}
-}

src/main/java/com/jozufozu/flywheel/core/model/SuperByteBuffer.java

@@ -0,0 +1,468 @@
+package com.jozufozu.flywheel.core.model;
+
+import com.jozufozu.flywheel.util.ModelReader;
+import com.jozufozu.flywheel.util.transform.Rotate;
+import com.jozufozu.flywheel.util.transform.Scale;
+import com.jozufozu.flywheel.util.transform.TStack;
+import com.jozufozu.flywheel.util.transform.Translate;
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.mojang.blaze3d.vertex.VertexConsumer;
+import com.mojang.math.*;
+
+import it.unimi.dsi.fastutil.longs.Long2IntMap;
+import it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.LevelRenderer;
+import net.minecraft.client.renderer.LightTexture;
+import net.minecraft.client.renderer.texture.OverlayTexture;
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.util.Mth;
+import net.minecraft.world.level.Level;
+import net.minecraftforge.client.model.pipeline.LightUtil;
+
+public class SuperByteBuffer implements Scale<SuperByteBuffer>, Translate<SuperByteBuffer>, Rotate<SuperByteBuffer>, TStack<SuperByteBuffer> {
+
+	private final Model model;
+	private final ModelReader template;
+
+	// Vertex Position
+	private final PoseStack transforms;
+
+	private final Params defaultParams = Params.defaultParams();
+	private final Params params = defaultParams.copy();
+
+	// Temporary
+	private static final Long2IntMap WORLD_LIGHT_CACHE = new Long2IntOpenHashMap();
+	private final Vector4f pos = new Vector4f();
+	private final Vector3f normal = new Vector3f();
+	private final Vector4f lightPos = new Vector4f();
+
+	public SuperByteBuffer(Model model) {
+		this.model = model;
+		template = model.getReader();
+
+		transforms = new PoseStack();
+		transforms.pushPose();
+	}
+
+	public void renderInto(PoseStack input, VertexConsumer builder) {
+		if (isEmpty())
+			return;
+
+		Matrix4f modelMat = input.last()
+				.pose()
+				.copy();
+		Matrix4f localTransforms = transforms.last()
+				.pose();
+		modelMat.multiply(localTransforms);
+
+		Matrix3f normalMat;
+
+		if (params.fullNormalTransform) {
+			normalMat = input.last().normal().copy();
+			normalMat.mul(transforms.last().normal());
+		} else {
+			normalMat = transforms.last().normal().copy();
+		}
+
+		if (params.useWorldLight) {
+			WORLD_LIGHT_CACHE.clear();
+		}
+
+		float f = .5f;
+		int vertexCount = template.getVertexCount();
+		for (int i = 0; i < vertexCount; i++) {
+			float x = template.getX(i);
+			float y = template.getY(i);
+			float z = template.getZ(i);
+			pos.set(x, y, z, 1F);
+			pos.transform(modelMat);
+			builder.vertex(pos.x(), pos.y(), pos.z());
+
+			float normalX = template.getNX(i);
+			float normalY = template.getNY(i);
+			float normalZ = template.getNZ(i);
+
+			normal.set(normalX, normalY, normalZ);
+			normal.transform(normalMat);
+			normal.normalize();
+			float nx = normal.x();
+			float ny = normal.y();
+			float nz = normal.z();
+
+			float instanceDiffuse = LightUtil.diffuseLight(nx, ny, nz);
+
+			switch (params.colorMode) {
+			case MODEL_ONLY -> builder.color(template.getR(i), template.getG(i), template.getB(i), template.getA(i));
+			case DIFFUSE_ONLY -> builder.color(instanceDiffuse, instanceDiffuse, instanceDiffuse, 1f);
+			case MODEL_DIFFUSE -> {
+				int r = Byte.toUnsignedInt(template.getR(i));
+				int g = Byte.toUnsignedInt(template.getG(i));
+				int b = Byte.toUnsignedInt(template.getB(i));
+				int a = Byte.toUnsignedInt(template.getA(i));
+
+				float diffuse = switch (params.diffuseMode) {
+				case NONE -> 1f;
+				case INSTANCE -> instanceDiffuse;
+				case ONE_OVER_STATIC -> 1 / LightUtil.diffuseLight(normalX, normalY, normalZ);
+				case INSTANCE_OVER_STATIC -> instanceDiffuse / LightUtil.diffuseLight(normalX, normalY, normalZ);
+				};
+
+				if (diffuse != 1) {
+					r = transformColor(r, diffuse);
+					g = transformColor(g, diffuse);
+					b = transformColor(b, diffuse);
+				}
+
+				builder.color(r, g, b, a);
+			}
+			case RECOLOR -> {
+				if (params.diffuseMode == DiffuseMode.NONE) {
+					builder.color(params.r, params.g, params.b, params.a);
+				} else {
+					int colorR = transformColor(params.r, instanceDiffuse);
+					int colorG = transformColor(params.g, instanceDiffuse);
+					int colorB = transformColor(params.b, instanceDiffuse);
+					builder.color(colorR, colorG, colorB, params.a);
+				}
+			}
+			}
+
+			//builder.color(Math.max(0, (int) (nx * 255)), Math.max(0, (int) (ny * 255)), Math.max(0, (int) (nz * 255)), 0xFF);
+			//builder.color(Math.max(0, (int) (normalX * 255)), Math.max(0, (int) (normalY * 255)), Math.max(0, (int) (normalZ * 255)), 0xFF);
+
+			float u = template.getU(i);
+			float v = template.getV(i);
+			if (params.spriteShiftFunc != null) {
+				params.spriteShiftFunc.shift(builder, u, v);
+			} else {
+				builder.uv(u, v);
+			}
+
+			if (params.hasOverlay) {
+				builder.overlayCoords(params.overlay);
+			}
+
+			int light;
+			if (params.useWorldLight) {
+				lightPos.set(((x - f) * 15 / 16f) + f, (y - f) * 15 / 16f + f, (z - f) * 15 / 16f + f, 1F);
+				lightPos.transform(localTransforms);
+				if (params.lightTransform != null) {
+					lightPos.transform(params.lightTransform);
+				}
+
+				light = getLight(Minecraft.getInstance().level, lightPos);
+				if (params.hasCustomLight) {
+					light = maxLight(light, params.packedLightCoords);
+				}
+			} else if (params.hasCustomLight) {
+				light = params.packedLightCoords;
+			} else {
+				light = template.getLight(i);
+			}
+
+			if (params.hybridLight) {
+				builder.uv2(maxLight(light, template.getLight(i)));
+			} else {
+				builder.uv2(light);
+			}
+
+			builder.normal(nx, ny, nz);
+
+			builder.endVertex();
+		}
+
+		reset();
+	}
+
+	public SuperByteBuffer reset() {
+		while (!transforms.clear())
+			transforms.popPose();
+		transforms.pushPose();
+
+		params.load(defaultParams);
+
+		return this;
+	}
+
+	@Override
+	public SuperByteBuffer translate(double x, double y, double z) {
+		transforms.translate(x, y, z);
+		return this;
+	}
+
+	@Override
+	public SuperByteBuffer multiply(Quaternion quaternion) {
+		transforms.mulPose(quaternion);
+		return this;
+	}
+
+	public SuperByteBuffer transform(PoseStack stack) {
+		PoseStack.Pose last = stack.last();
+		return transform(last.pose(), last.normal());
+	}
+
+	public SuperByteBuffer transform(Matrix4f pose, Matrix3f normal) {
+		transforms.last()
+				.pose()
+				.multiply(pose);
+		transforms.last()
+				.normal()
+				.mul(normal);
+		return this;
+	}
+
+	public SuperByteBuffer rotateCentered(Direction axis, float radians) {
+		translate(.5f, .5f, .5f).rotate(axis, radians)
+			.translate(-.5f, -.5f, -.5f);
+		return this;
+	}
+
+	public SuperByteBuffer rotateCentered(Quaternion q) {
+		translate(.5f, .5f, .5f).multiply(q)
+			.translate(-.5f, -.5f, -.5f);
+		return this;
+	}
+
+	public SuperByteBuffer color(int r, int g, int b, int a) {
+		params.colorMode = ColorMode.RECOLOR;
+		params.r = r;
+		params.g = g;
+		params.b = b;
+		params.a = a;
+		return this;
+	}
+
+	public SuperByteBuffer color(byte r, byte g, byte b, byte a) {
+		params.colorMode = ColorMode.RECOLOR;
+		params.r = Byte.toUnsignedInt(r);
+		params.g = Byte.toUnsignedInt(g);
+		params.b = Byte.toUnsignedInt(b);
+		params.a = Byte.toUnsignedInt(a);
+		return this;
+	}
+
+	public SuperByteBuffer color(int color) {
+		params.colorMode = ColorMode.RECOLOR;
+		params.r = ((color >> 16) & 0xFF);
+		params.g = ((color >> 8) & 0xFF);
+		params.b = (color & 0xFF);
+		params.a = 255;
+		return this;
+	}
+
+	public SuperByteBuffer shiftUV(SpriteShiftFunc entry) {
+		params.spriteShiftFunc = entry;
+		return this;
+	}
+
+	public SuperByteBuffer overlay() {
+		params.hasOverlay = true;
+		return this;
+	}
+
+	public SuperByteBuffer overlay(int overlay) {
+		params.hasOverlay = true;
+		params.overlay = overlay;
+		return this;
+	}
+
+	/**
+	 * Transforms normals not only by the local matrix stack, but also by the passed matrix stack.
+	 */
+	public SuperByteBuffer entityMode() {
+		params.hasOverlay = true;
+		params.fullNormalTransform = true;
+		params.diffuseMode = DiffuseMode.NONE;
+		params.colorMode = ColorMode.RECOLOR;
+		return this;
+	}
+
+	public SuperByteBuffer light() {
+		params.useWorldLight = true;
+		return this;
+	}
+
+	public SuperByteBuffer light(Matrix4f lightTransform) {
+		params.useWorldLight = true;
+		params.lightTransform = lightTransform;
+		return this;
+	}
+
+	public SuperByteBuffer light(int packedLightCoords) {
+		params.hasCustomLight = true;
+		params.packedLightCoords = packedLightCoords;
+		return this;
+	}
+
+	public SuperByteBuffer light(Matrix4f lightTransform, int packedLightCoords) {
+		light(lightTransform);
+		light(packedLightCoords);
+		return this;
+	}
+
+	/**
+	 * Uses max light from calculated light (world light or custom light) and vertex light for the final light value.
+	 * Ineffective if any other light method was not called.
+	 */
+	public SuperByteBuffer hybridLight() {
+		params.hybridLight = true;
+		return this;
+	}
+
+	public boolean isEmpty() {
+		return template.isEmpty();
+	}
+
+	@Override
+	public SuperByteBuffer scale(float factorX, float factorY, float factorZ) {
+		transforms.scale(factorX, factorY, factorZ);
+		return this;
+	}
+
+	@Override
+	public SuperByteBuffer pushPose() {
+		transforms.pushPose();
+		return this;
+	}
+
+	@Override
+	public SuperByteBuffer popPose() {
+		transforms.popPose();
+		return this;
+	}
+
+	@Override
+	public String toString() {
+		return "SuperByteBuffer[" + model + ']';
+	}
+
+	public static int transformColor(int component, float scale) {
+		return Mth.clamp((int) (component * scale), 0, 255);
+	}
+
+	public static int maxLight(int packedLight1, int packedLight2) {
+		int blockLight1 = LightTexture.block(packedLight1);
+		int skyLight1 = LightTexture.sky(packedLight1);
+		int blockLight2 = LightTexture.block(packedLight2);
+		int skyLight2 = LightTexture.sky(packedLight2);
+		return LightTexture.pack(Math.max(blockLight1, blockLight2), Math.max(skyLight1, skyLight2));
+	}
+
+	private static int getLight(Level world, Vector4f lightPos) {
+		BlockPos pos = new BlockPos(lightPos.x(), lightPos.y(), lightPos.z());
+		return WORLD_LIGHT_CACHE.computeIfAbsent(pos.asLong(), $ -> LevelRenderer.getLightColor(world, pos));
+	}
+
+	@FunctionalInterface
+	public interface SpriteShiftFunc {
+		void shift(VertexConsumer builder, float u, float v);
+	}
+
+	public enum ColorMode {
+		MODEL_ONLY,
+		MODEL_DIFFUSE,
+		DIFFUSE_ONLY,
+		RECOLOR
+	}
+
+	public enum DiffuseMode {
+		NONE,
+		INSTANCE,
+		ONE_OVER_STATIC,
+		INSTANCE_OVER_STATIC,
+	}
+
+	public static class Params {
+		// Vertex Coloring
+		public ColorMode colorMode = ColorMode.DIFFUSE_ONLY;
+		public DiffuseMode diffuseMode = DiffuseMode.INSTANCE;
+		public int r;
+		public int g;
+		public int b;
+		public int a;
+
+		// Vertex Texture Coords
+		public SpriteShiftFunc spriteShiftFunc;
+
+		// Vertex Overlay Color
+		public boolean hasOverlay;
+		public int overlay = OverlayTexture.NO_OVERLAY;
+
+		// Vertex Lighting
+		public boolean useWorldLight;
+		public Matrix4f lightTransform;
+		public boolean hasCustomLight;
+		public int packedLightCoords;
+		public boolean hybridLight;
+
+		// Vertex Normals
+		public boolean fullNormalTransform;
+
+		public void load(Params from) {
+			colorMode = from.colorMode;
+			diffuseMode = from.diffuseMode;
+			r = from.r;
+			g = from.g;
+			b = from.b;
+			a = from.a;
+			spriteShiftFunc = from.spriteShiftFunc;
+			hasOverlay = from.hasOverlay;
+			overlay = from.overlay;
+			useWorldLight = from.useWorldLight;
+			lightTransform = from.lightTransform;
+			hasCustomLight = from.hasCustomLight;
+			packedLightCoords = from.packedLightCoords;
+			hybridLight = from.hybridLight;
+			fullNormalTransform = from.fullNormalTransform;
+		}
+
+		public Params copy() {
+			Params params = new Params();
+			params.load(this);
+			return params;
+		}
+
+		public static Params defaultParams() {
+			Params out = new Params();
+			out.colorMode = ColorMode.DIFFUSE_ONLY;
+			out.diffuseMode = DiffuseMode.INSTANCE;
+			out.r = 0xFF;
+			out.g = 0xFF;
+			out.b = 0xFF;
+			out.a = 0xFF;
+			out.spriteShiftFunc = null;
+			out.hasOverlay = false;
+			out.overlay = OverlayTexture.NO_OVERLAY;
+			out.useWorldLight = false;
+			out.lightTransform = null;
+			out.hasCustomLight = false;
+			out.packedLightCoords = 0;
+			out.hybridLight = false;
+			out.fullNormalTransform = false;
+			return out;
+		}
+
+		public static Params newEntityParams() {
+			Params out = new Params();
+			out.colorMode = ColorMode.RECOLOR;
+			out.diffuseMode = DiffuseMode.NONE;
+			out.r = 0xFF;
+			out.g = 0xFF;
+			out.b = 0xFF;
+			out.a = 0xFF;
+			out.spriteShiftFunc = null;
+			out.hasOverlay = true;
+			out.overlay = OverlayTexture.NO_OVERLAY;
+			out.useWorldLight = false;
+			out.lightTransform = null;
+			out.hasCustomLight = false;
+			out.packedLightCoords = 0;
+			out.hybridLight = false;
+			out.fullNormalTransform = true;
+			return out;
+		}
+	}
+}

src/main/java/com/jozufozu/flywheel/core/model/VecBufferWriter.java

@@ -2,6 +2,8 @@ package com.jozufozu.flywheel.core.model;
 
 import static com.jozufozu.flywheel.util.RenderMath.nb;
 
+import java.nio.ByteBuffer;
+
 import com.jozufozu.flywheel.backend.gl.buffer.VecBuffer;
 import com.mojang.blaze3d.vertex.VertexConsumer;
 
@@ -9,6 +11,10 @@ public class VecBufferWriter implements VertexConsumer {
 
 	private final VecBuffer buffer;
 
+	public VecBufferWriter(ByteBuffer buffer) {
+		this.buffer = new VecBuffer(buffer);
+	}
+
 	public VecBufferWriter(VecBuffer buffer) {
 		this.buffer = buffer;
 	}

src/main/java/com/jozufozu/flywheel/core/model/VertexRecording.java

@@ -1,15 +0,0 @@
-package com.jozufozu.flywheel.core.model;
-
-import java.util.function.Consumer;
-
-import com.google.common.collect.ImmutableList;
-import com.mojang.blaze3d.vertex.VertexConsumer;
-
-public record VertexRecording(ImmutableList<Consumer<VertexConsumer>> recording) {
-
-	public void replay(VertexConsumer vc) {
-		for (Consumer<VertexConsumer> consumer : recording) {
-			consumer.accept(vc);
-		}
-	}
-}

src/main/java/com/jozufozu/flywheel/core/model/WorldModel.java

@@ -5,6 +5,7 @@ import java.util.Collection;
 import com.jozufozu.flywheel.backend.gl.attrib.VertexFormat;
 import com.jozufozu.flywheel.core.Formats;
 import com.jozufozu.flywheel.util.BufferBuilderReader;
+import com.jozufozu.flywheel.util.ModelReader;
 import com.jozufozu.flywheel.util.RenderMath;
 import com.mojang.blaze3d.vertex.VertexConsumer;
 
@@ -15,7 +16,7 @@ import net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemp
 
 public class WorldModel implements Model {
 
-	private final BufferBuilderReader reader;
+	private final ModelReader reader;
 	private final String name;
 
 	public WorldModel(BlockAndTintGetter renderWorld, RenderType layer, Collection<StructureTemplate.StructureBlockInfo> blocks, String name) {
@@ -33,7 +34,7 @@ public class WorldModel implements Model {
 		for (int i = 0; i < vertexCount(); i++) {
 			vertices.vertex(reader.getX(i), reader.getY(i), reader.getZ(i));
 
-			vertices.normal(RenderMath.f(reader.getNX(i)), RenderMath.f(reader.getNY(i)), RenderMath.f(reader.getNZ(i)));
+			vertices.normal(reader.getNX(i), reader.getNY(i), reader.getNZ(i));
 
 			vertices.uv(reader.getU(i), reader.getV(i));
 
@@ -60,4 +61,8 @@ public class WorldModel implements Model {
 		return Formats.COLORED_LIT_MODEL;
 	}
 
+	@Override
+	public ModelReader getReader() {
+		return reader;
+	}
 }

src/main/java/com/jozufozu/flywheel/mixin/BufferBuilderMixin.java

@@ -0,0 +1,58 @@
+package com.jozufozu.flywheel.mixin;
+
+import java.nio.ByteBuffer;
+
+import javax.annotation.Nullable;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+import com.jozufozu.flywheel.backend.model.DirectVertexConsumer;
+import com.jozufozu.flywheel.backend.model.DirectBufferBuilder;
+import com.mojang.blaze3d.vertex.BufferBuilder;
+import com.mojang.blaze3d.vertex.VertexFormat;
+import com.mojang.blaze3d.vertex.VertexFormatElement;
+
+@Mixin(BufferBuilder.class)
+public abstract class BufferBuilderMixin implements DirectBufferBuilder {
+	@Shadow
+	private ByteBuffer buffer;
+
+	@Shadow
+	private VertexFormat format;
+
+	@Shadow
+	protected abstract void ensureCapacity(int p_85723_);
+
+	@Shadow
+	private int vertices;
+
+	@Shadow
+	@Nullable
+	private VertexFormatElement currentElement;
+
+	@Shadow
+	private int elementIndex;
+
+	@Shadow
+	private int nextElementByte;
+
+	@Override
+	public DirectVertexConsumer intoDirectConsumer(int neededVerts) {
+		ensureCapacity(neededVerts * this.format.getVertexSize());
+		return new DirectVertexConsumer(this.buffer, this.format);
+	}
+
+	@Override
+	public void updateAfterWriting(DirectVertexConsumer complete) {
+		int vertexCount = complete.getVertexCount();
+		int totalWrittenBytes = vertexCount * format.getVertexSize();
+
+		this.vertices += vertexCount;
+		this.currentElement = format.getElements()
+				.get(0);
+		this.elementIndex = 0;
+		this.nextElementByte += totalWrittenBytes;
+		this.buffer.position(complete.startPos + totalWrittenBytes);
+	}
+}

src/main/java/com/jozufozu/flywheel/util/BufferBuilderReader.java

@@ -6,7 +6,7 @@ import com.mojang.blaze3d.vertex.BufferBuilder;
 import com.mojang.blaze3d.vertex.VertexFormat;
 import com.mojang.datafixers.util.Pair;
 
-public class BufferBuilderReader {
+public class BufferBuilderReader implements ModelReader {
 
 	private final ByteBuffer buffer;
 	private final int vertexCount;
@@ -35,66 +35,81 @@ public class BufferBuilderReader {
 		//		}
 	}
 
+	@Override
 	public boolean isEmpty() {
 		return vertexCount == 0;
 	}
 
-	public int vertIdx(int vertexIndex) {
+	private int vertIdx(int vertexIndex) {
 		return vertexIndex * formatSize;
 	}
 
+	@Override
 	public float getX(int index) {
 		return buffer.getFloat(vertIdx(index));
 	}
 
+	@Override
 	public float getY(int index) {
 		return buffer.getFloat(vertIdx(index) + 4);
 	}
 
+	@Override
 	public float getZ(int index) {
 		return buffer.getFloat(vertIdx(index) + 8);
 	}
 
+	@Override
 	public byte getR(int index) {
 		return buffer.get(vertIdx(index) + 12);
 	}
 
+	@Override
 	public byte getG(int index) {
 		return buffer.get(vertIdx(index) + 13);
 	}
 
+	@Override
 	public byte getB(int index) {
 		return buffer.get(vertIdx(index) + 14);
 	}
 
+	@Override
 	public byte getA(int index) {
 		return buffer.get(vertIdx(index) + 15);
 	}
 
+	@Override
 	public float getU(int index) {
 		return buffer.getFloat(vertIdx(index) + 16);
 	}
 
+	@Override
 	public float getV(int index) {
 		return buffer.getFloat(vertIdx(index) + 20);
 	}
 
+	@Override
 	public int getLight(int index) {
 		return buffer.getInt(vertIdx(index) + 24);
 	}
 
-	public byte getNX(int index) {
-		return buffer.get(vertIdx(index) + 28);
+	@Override
+	public float getNX(int index) {
+		return RenderMath.f(buffer.get(vertIdx(index) + 28));
 	}
 
-	public byte getNY(int index) {
-		return buffer.get(vertIdx(index) + 29);
+	@Override
+	public float getNY(int index) {
+		return RenderMath.f(buffer.get(vertIdx(index) + 29));
 	}
 
-	public byte getNZ(int index) {
-		return buffer.get(vertIdx(index) + 30);
+	@Override
+	public float getNZ(int index) {
+		return RenderMath.f(buffer.get(vertIdx(index) + 30));
 	}
 
+	@Override
 	public int getVertexCount() {
 		return vertexCount;
 	}

src/main/java/com/jozufozu/flywheel/util/ModelReader.java

@@ -0,0 +1,35 @@
+package com.jozufozu.flywheel.util;
+
+public interface ModelReader {
+	float getX(int index);
+
+	float getY(int index);
+
+	float getZ(int index);
+
+	byte getR(int index);
+
+	byte getG(int index);
+
+	byte getB(int index);
+
+	byte getA(int index);
+
+	float getU(int index);
+
+	float getV(int index);
+
+	int getLight(int index);
+
+	float getNX(int index);
+
+	float getNY(int index);
+
+	float getNZ(int index);
+
+	int getVertexCount();
+
+	default boolean isEmpty() {
+		return getVertexCount() == 0;
+	}
+}

src/main/resources/flywheel.mixins.json

@@ -5,6 +5,7 @@
     "compatibilityLevel": "JAVA_17",
     "refmap": "flywheel.refmap.json",
     "client": [
+        "BufferBuilderMixin",
         "CancelEntityRenderMixin",
         "ChunkRebuildHooksMixin",
         "FixFabulousDepthMixin",