Added item models for facades.

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

@@ -0,0 +1,99 @@
+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 );
+			}
+		};
+	}
+}