Added item models for facades.

src/main/java/appeng/client/render/FacadeDispatcherBakedModel.java

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+package appeng.client.render;
+
+
+import java.util.Collections;
+import java.util.List;
+import javax.annotation.Nullable;
+
+import net.minecraft.block.Block;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.renderer.block.model.IBakedModel;
+import net.minecraft.client.renderer.block.model.ItemCameraTransforms;
+import net.minecraft.client.renderer.block.model.ItemOverrideList;
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.world.World;
+
+import appeng.items.parts.ItemFacade;
+
+
+/**
+ * This baked model class is used as a dispatcher to redirect the renderer to the *real* model that should be used based on the item stack.
+ * A custom Item Override List is used to accomplish this.
+ */
+public class FacadeDispatcherBakedModel implements IBakedModel
+{
+
+	private final IBakedModel baseModel;
+
+	public FacadeDispatcherBakedModel( IBakedModel baseModel )
+	{
+		this.baseModel = baseModel;
+	}
+
+	// This is never used. See the item override list below.
+	@Override
+	public List<BakedQuad> getQuads( @Nullable IBlockState state, @Nullable EnumFacing side, long rand )
+	{
+		return Collections.emptyList();
+	}
+
+	@Override
+	public boolean isAmbientOcclusion()
+	{
+		return baseModel.isAmbientOcclusion();
+	}
+
+	@Override
+	public boolean isGui3d()
+	{
+		return baseModel.isGui3d();
+	}
+
+	@Override
+	public boolean isBuiltInRenderer()
+	{
+		return false;
+	}
+
+	@Override
+	public TextureAtlasSprite getParticleTexture()
+	{
+		return baseModel.getParticleTexture();
+	}
+
+	@Override
+	public ItemCameraTransforms getItemCameraTransforms()
+	{
+		return baseModel.getItemCameraTransforms();
+	}
+
+	@Override
+	public ItemOverrideList getOverrides()
+	{
+		return new ItemOverrideList( Collections.emptyList() )
+		{
+			@Override
+			public IBakedModel handleItemState( IBakedModel originalModel, ItemStack stack, World world, EntityLivingBase entity )
+			{
+				if( !( stack.getItem() instanceof ItemFacade ) )
+				{
+					return originalModel;
+				}
+
+				ItemFacade itemFacade = (ItemFacade) stack.getItem();
+
+				Block block = itemFacade.getBlock( stack );
+				int meta = itemFacade.getMeta( stack );
+
+				// This is kinda fascinating, how do we get the meta from the itemblock
+				IBlockState state = block.getStateFromMeta( meta );
+
+				return new FacadeWithBlockBakedModel( baseModel, state );
+			}
+		};
+	}
+}

src/main/java/appeng/client/render/FacadeItemModel.java

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+package appeng.client.render;
+
+
+import java.util.Collection;
+import java.util.Collections;
+
+import com.google.common.base.Function;
+
+import net.minecraft.client.renderer.block.model.IBakedModel;
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.client.renderer.vertex.VertexFormat;
+import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.client.model.IModel;
+import net.minecraftforge.client.model.ModelLoaderRegistry;
+import net.minecraftforge.common.model.IModelState;
+import net.minecraftforge.common.model.TRSRTransformation;
+
+import appeng.core.AppEng;
+
+
+/**
+ * The model class for facades. Since facades wrap existing models, they don't declare any dependencies here other
+ * than the cable anchor.
+ */
+public class FacadeItemModel implements IModel
+{
+
+	// We use this to get the default item transforms and make our lives easier
+	private static final ResourceLocation MODEL_BASE = new ResourceLocation( AppEng.MOD_ID, "item/facade_base" );
+
+	@Override
+	public Collection<ResourceLocation> getDependencies()
+	{
+		return Collections.emptyList();
+	}
+
+	@Override
+	public Collection<ResourceLocation> getTextures()
+	{
+		return Collections.emptyList();
+	}
+
+	@Override
+	public IBakedModel bake( IModelState state, VertexFormat format, Function<ResourceLocation, TextureAtlasSprite> bakedTextureGetter )
+	{
+		IModel baseModel;
+		try
+		{
+			baseModel = ModelLoaderRegistry.getModel( MODEL_BASE );
+		}
+		catch( Exception e )
+		{
+			throw new RuntimeException( e );
+		}
+
+		IBakedModel bakedBaseModel = baseModel.bake( state, format, bakedTextureGetter );
+
+		return new FacadeDispatcherBakedModel( bakedBaseModel );
+	}
+
+	@Override
+	public IModelState getDefaultState()
+	{
+		return TRSRTransformation.identity();
+	}
+}

src/main/java/appeng/client/render/FacadeWithBlockBakedModel.java

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+package appeng.client.render;
+
+
+import java.util.List;
+import javax.annotation.Nullable;
+
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.renderer.block.model.IBakedModel;
+import net.minecraft.client.renderer.block.model.ItemCameraTransforms;
+import net.minecraft.client.renderer.block.model.ItemOverrideList;
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.util.EnumFacing;
+
+
+/**
+ * This is the actual baked model that will combine the north face of a given block state
+ * with the base facade item model to achieve what is then actually rendered on screen.
+ */
+public class FacadeWithBlockBakedModel implements IBakedModel
+{
+
+	private final IBakedModel baseModel;
+
+	private final IBlockState blockState;
+
+	private final IBakedModel textureModel;
+
+	public FacadeWithBlockBakedModel( IBakedModel baseModel, IBlockState blockState )
+	{
+		this.baseModel = baseModel;
+		this.blockState = blockState;
+		this.textureModel = Minecraft.getMinecraft().getBlockRendererDispatcher().getModelForState( blockState );
+	}
+
+	@Override
+	public List<BakedQuad> getQuads( @Nullable IBlockState state, @Nullable EnumFacing side, long rand )
+	{
+		// Only the north side is actually read from the base model for item models
+		if( side == EnumFacing.NORTH )
+		{
+			return textureModel.getQuads( blockState, side, rand );
+		}
+		else
+		{
+			return baseModel.getQuads( state, side, rand );
+		}
+	}
+
+	@Override
+	public boolean isAmbientOcclusion()
+	{
+		return baseModel.isAmbientOcclusion();
+	}
+
+	@Override
+	public boolean isGui3d()
+	{
+		return baseModel.isGui3d();
+	}
+
+	@Override
+	public boolean isBuiltInRenderer()
+	{
+		return false;
+	}
+
+	@Override
+	public TextureAtlasSprite getParticleTexture()
+	{
+		return baseModel.getParticleTexture();
+	}
+
+	@Override
+	public ItemCameraTransforms getItemCameraTransforms()
+	{
+		return baseModel.getItemCameraTransforms();
+	}
+
+	@Override
+	public ItemOverrideList getOverrides()
+	{
+		return ItemOverrideList.NONE;
+	}
+}