I wanted tio dies but it now works. Featuring culling based on block camos as well as renderLayers

build.gradle

@@ -45,6 +45,7 @@ repositories {
 
 dependencies {
 	// To change the versions see the gradle.properties file
+	include(implementation(annotationProcessor("io.github.llamalad7:mixinextras-fabric:0.2.2")))
 	minecraft "com.mojang:minecraft:${project.minecraft_version}"
 	mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
 	modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"

src/main/java/fr/adrien1106/reframed/block/ReFramedBlock.java

@@ -3,10 +3,7 @@ package fr.adrien1106.reframed.block;
 import com.google.common.base.MoreObjects;
 import fr.adrien1106.reframed.ReFramed;
 import fr.adrien1106.reframed.util.ReFramedInteractionUtil;
-import net.minecraft.block.Block;
+import net.minecraft.block.*;
-import net.minecraft.block.BlockEntityProvider;
-import net.minecraft.block.BlockState;
-import net.minecraft.block.ShapeContext;
 import net.minecraft.block.entity.BlockEntity;
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.entity.player.PlayerEntity;

src/main/java/fr/adrien1106/reframed/client/model/UnbakedMeshRetexturedModel.java

@@ -1,56 +0,0 @@
-package fr.adrien1106.reframed.client.model;
-
-import fr.adrien1106.reframed.client.ReFramedClient;
-import net.fabricmc.fabric.api.renderer.v1.mesh.Mesh;
-import net.minecraft.block.BlockState;
-import net.minecraft.block.Blocks;
-import net.minecraft.client.render.model.BakedModel;
-import net.minecraft.client.render.model.Baker;
-import net.minecraft.client.render.model.ModelBakeSettings;
-import net.minecraft.client.render.model.UnbakedModel;
-import net.minecraft.client.texture.Sprite;
-import net.minecraft.client.util.SpriteIdentifier;
-import net.minecraft.util.Identifier;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.function.Function;
-
-public class UnbakedMeshRetexturedModel implements UnbakedModel {
-	public UnbakedMeshRetexturedModel(Identifier parent, Function<Function<SpriteIdentifier, Sprite>, Mesh> baseMeshFactory) {
-		this.parent = parent;
-		this.baseMeshFactory = baseMeshFactory;
-	}
-	
-	protected final Identifier parent;
-	protected final Function<Function<SpriteIdentifier, Sprite>, Mesh> baseMeshFactory;
-	protected boolean ao = true;
-	
-	@Override
-	public Collection<Identifier> getModelDependencies() {
-		return Collections.singletonList(parent);
-	}
-	
-	@Override
-	public void setParents(Function<Identifier, UnbakedModel> function) {
-		function.apply(parent).setParents(function);
-	}
-	
-	@Override
-	public BakedModel bake(Baker baker, Function<SpriteIdentifier, Sprite> spriteLookup, ModelBakeSettings modelBakeSettings, Identifier identifier) {
-		Mesh transformedBaseMesh = MeshTransformUtil.pretransformMesh(baseMeshFactory.apply(spriteLookup), MeshTransformUtil.applyAffine(modelBakeSettings));
-		
-		return new RetexturingBakedModel(
-			baker.bake(parent, modelBakeSettings),
-			ReFramedClient.HELPER.getCamoApperanceManager(spriteLookup),
-			modelBakeSettings,
-			Blocks.AIR.getDefaultState(),
-			ao
-		) {
-			@Override
-			protected Mesh getBaseMesh(BlockState state) {
-				return transformedBaseMesh;
-			}
-		};
-	}
-}

src/main/java/fr/adrien1106/reframed/mixin/BlockMixin.java

@@ -0,0 +1,46 @@
+package fr.adrien1106.reframed.mixin;
+
+import com.llamalad7.mixinextras.sugar.Local;
+import fr.adrien1106.reframed.block.ReFramedEntity;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.util.function.BooleanBiFunction;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.util.shape.VoxelShape;
+import net.minecraft.util.shape.VoxelShapes;
+import net.minecraft.world.BlockView;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.*;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(Block.class)
+public class BlockMixin {
+
+    @Redirect(method = "shouldDrawSide", at = @At(value = "INVOKE", target = "Lnet/minecraft/block/BlockState;isOpaque()Z"))
+    private static boolean isNeighborCamoOpaque(BlockState state, @Local(argsOnly = true) BlockView world, @Local(ordinal = 1, argsOnly = true) BlockPos pos) {
+        BlockEntity block_entity = world.getBlockEntity(pos);
+        if (!(block_entity instanceof ReFramedEntity frame_entity)) return state.isOpaque();
+        return frame_entity.getThemeState().isOpaque();
+    }
+
+    @Redirect(method = "shouldDrawSide", at = @At(value = "INVOKE", target = "Lnet/minecraft/block/BlockState;isSideInvisible(Lnet/minecraft/block/BlockState;Lnet/minecraft/util/math/Direction;)Z"))
+    private static boolean isCamoInvisible(BlockState state, BlockState other_state, Direction direction, @Local(argsOnly = true) BlockView world, @Local(ordinal = 0, argsOnly = true) BlockPos pos, @Local(ordinal = 1, argsOnly = true) BlockPos other_pos) {
+        if (world.getBlockEntity(other_pos) instanceof ReFramedEntity entity) other_state = entity.getThemeState();
+        if (world.getBlockEntity(pos) instanceof ReFramedEntity entity) state = entity.getThemeState();
+        return state.isSideInvisible(other_state, direction);
+    }
+
+    @Inject(method = "shouldDrawSide", at = @At(value = "RETURN", ordinal = 0), cancellable = true)
+    private static void shouldDrawGlassCamoSide(BlockState state, BlockView world, BlockPos pos, Direction side, BlockPos other_pos, CallbackInfoReturnable<Boolean> cir, @Local(ordinal = 1) BlockState neighbor) {
+        if (!(world.getBlockEntity(pos) instanceof ReFramedEntity) && !(world.getBlockEntity(other_pos) instanceof ReFramedEntity)) return;
+        VoxelShape voxel_block = state.getCullingFace(world, pos, side);
+        if (voxel_block.isEmpty()) {
+            cir.setReturnValue(true);
+            return;
+        }
+        VoxelShape voxel_neighbor = neighbor.getCullingFace(world, pos, side.getOpposite());
+        cir.setReturnValue(VoxelShapes.matchesAnywhere(voxel_block, voxel_neighbor, BooleanBiFunction.ONLY_FIRST));
+    }
+}

src/main/java/fr/adrien1106/reframed/mixin/BlockRenderInfoMixin.java

@@ -0,0 +1,49 @@
+package fr.adrien1106.reframed.mixin;
+
+import com.llamalad7.mixinextras.sugar.Local;
+import fr.adrien1106.reframed.block.ReFramedEntity;
+import net.fabricmc.fabric.impl.client.indigo.renderer.render.BlockRenderInfo;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.BlockRenderView;
+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.ModifyArg;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(BlockRenderInfo.class)
+public abstract class BlockRenderInfoMixin {
+
+    @Shadow public BlockPos blockPos;
+
+    @Shadow public BlockState blockState;
+
+    @Shadow public BlockRenderView blockView;
+
+    @Shadow @Final private BlockPos.Mutable searchPos;
+
+    @ModifyArg(method = "prepareForBlock",
+        at = @At(value = "INVOKE", target = "Lnet/minecraft/client/render/RenderLayers;" +
+            "getBlockLayer(Lnet/minecraft/block/BlockState;)Lnet/minecraft/client/render/RenderLayer;"))
+    public BlockState prepareCamoLayer(BlockState state, @Local(argsOnly = true) BlockPos pos) {
+        BlockEntity block_entity = MinecraftClient.getInstance().world.getBlockEntity(pos);
+        if (!(block_entity instanceof ReFramedEntity frame_entity)) return state;
+        return frame_entity.getThemeState();
+    }
+
+    @Inject(method = "shouldDrawFace",
+        at = @At(value = "INVOKE_ASSIGN", target = "Lnet/minecraft/util/math/Direction;getId()I"),
+        cancellable = true)
+    private void shouldDrawCamoFace(Direction face, CallbackInfoReturnable<Boolean> cir) {
+        BlockEntity block_entity = MinecraftClient.getInstance().world.getBlockEntity(blockPos);
+        if (!(block_entity instanceof ReFramedEntity)) return;
+        cir.setReturnValue(Block.shouldDrawSide(blockState, blockView, blockPos, face, searchPos.set(blockPos, face)));
+    }
+}

src/main/resources/reframed.mixins.json

@@ -9,6 +9,8 @@
   		"particles.MixinLivingEntity"
 	],
 	"client": [
+		"BlockRenderInfoMixin",
+		"BlockMixin",
   		"particles.AccessorParticle",
 		"particles.AccessorSpriteBillboardParticle",
   		"particles.MixinBlockDustParticle",