Make material renderer available for arbitrary item (#1753)

* Make material renderer available for arbitrary item

* pass render pass

1 files changed, 68 insertions, 0 deletions

diff --git a/src/main/java/gregtech/api/interfaces/IGT_ItemWithMaterialRenderer.java b/src/main/java/gregtech/api/interfaces/IGT_ItemWithMaterialRenderer.java
new file mode 100644
index 0000000000..4bf0311544
--- /dev/null
+++ b/src/main/java/gregtech/api/interfaces/IGT_ItemWithMaterialRenderer.java
@@ -0,0 +1,68 @@
+package gregtech.api.interfaces;
+
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.IIcon;
+
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+import gregtech.common.render.items.GT_GeneratedMaterial_Renderer;
+
+public interface IGT_ItemWithMaterialRenderer {
+
+    /**
+     * @return If allow using {@link gregtech.common.render.items.GT_MetaGenerated_Item_Renderer} to render item
+     */
+    boolean shouldUseCustomRenderer(int aMetaData);
+
+    /**
+     * @return Custom renderer of the Material with offset < 32000
+     */
+    GT_GeneratedMaterial_Renderer getMaterialRenderer(int aMetaData);
+
+    /**
+     * If this returns false, renderer falls back to {@link gregtech.common.render.items.GT_GeneratedItem_Renderer}
+     */
+    boolean allowMaterialRenderer(int aMetaData);
+
+    /**
+     * @return Icon the Material is going to be rendered with
+     */
+    IIcon getIcon(int aMetaData, int pass);
+
+    /**
+     * @return Icon of the Overlay (or null if there is no Icon)
+     */
+    IIcon getOverlayIcon(int aMetaData, int pass);
+
+    /**
+     * @return Color Modulation the Material is going to be rendered with.
+     */
+    short[] getRGBa(ItemStack aStack);
+
+    @SideOnly(Side.CLIENT)
+    default int getSpriteNumber() {
+        if (this instanceof Item) {
+            return ((Item) this).getSpriteNumber();
+        } else {
+            throw new RuntimeException(String.format("Class %s does not extend Item!", getClass()));
+        }
+    }
+
+    @SideOnly(Side.CLIENT)
+    default boolean requiresMultipleRenderPasses() {
+        if (this instanceof Item) {
+            return ((Item) this).requiresMultipleRenderPasses();
+        } else {
+            throw new RuntimeException(String.format("Class %s does not extend Item!", getClass()));
+        }
+    }
+
+    default int getRenderPasses(int metadata) {
+        if (this instanceof Item) {
+            return ((Item) this).getRenderPasses(metadata);
+        } else {
+            throw new RuntimeException(String.format("Class %s does not extend Item!", getClass()));
+        }
+    }
+}