1 files changed, 93 insertions, 0 deletions
diff --git a/src/Java/gtPlusPlus/preloader/asm/Modify_OreDict.java b/src/Java/gtPlusPlus/preloader/asm/Modify_OreDict.java
new file mode 100644
index 0000000000..b4a8bf5c00
--- /dev/null
+++ b/src/Java/gtPlusPlus/preloader/asm/Modify_OreDict.java
@@ -0,0 +1,93 @@
+package gtPlusPlus.preloader.asm;
+
+import java.lang.reflect.Field;
+import java.util.*;
+
+import com.google.common.collect.Lists;
+
+import cpw.mods.fml.common.FMLLog;
+import cpw.mods.fml.common.Loader;
+import cpw.mods.fml.common.registry.GameData;
+import gtPlusPlus.core.util.reflect.ReflectionUtils;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.oredict.OreDictionary;
+
+@SuppressWarnings("unchecked")
+public class Modify_OreDict extends OreDictionary{
+
+	static Field stack;
+	static Field id;
+
+    private static Map<Integer, List<Integer>> stackToId; // Calculated from 128 * 0.75
+    private static List<ArrayList<ItemStack>> idToStack; //ToDo: Unqualify to List when possible {1.8}
+	
+    
+    static {
+    	try {
+			stack = ReflectionUtils.getField(OreDictionary.class, "stackToId");
+	    	id = ReflectionUtils.getField(OreDictionary.class, "idToStack");
+	    	stackToId = (Map<Integer, List<Integer>>) stack.get(OreDictionary.class);
+	    	idToStack = (List<ArrayList<ItemStack>>) stack.get(OreDictionary.class);
+		}
+		catch (NoSuchFieldException | IllegalArgumentException | IllegalAccessException e) {}
+    }
+
+	//Utils.LOG_INFO("O-"+(byte) nameField.get(clazz) + " | "+newValue);
+    
+	/**
+     * Registers a ore item into the dictionary.
+     * Raises the registerOre function in all registered handlers.
+     *
+     * @param name The name of the ore
+     * @param id The ID of the ore
+     * @param ore The ore's ItemStack
+     */
+    private static void registerOreImpl(String name, ItemStack ore)
+    {
+        if (name == null || name.isEmpty() || "Unknown".equals(name)) return; //prevent bad IDs.
+        if (ore == null || ore.getItem() == null)
+        {
+            FMLLog.bigWarning("Invalid registration attempt for an Ore Dictionary item with name %s has occurred. The registration has been denied to prevent crashes. The mod responsible for the registration needs to correct this.", name);
+            return; //prevent bad ItemStacks.
+        }
+
+        int oreID = getOreID(name);
+        // HACK: use the registry name's ID. It is unique and it knows about substitutions. Fallback to a -1 value (what Item.getIDForItem would have returned) in the case where the registry is not aware of the item yet
+        // IT should be noted that -1 will fail the gate further down, if an entry already exists with value -1 for this name. This is what is broken and being warned about.
+        // APPARENTLY it's quite common to do this. OreDictionary should be considered alongside Recipes - you can't make them properly until you've registered with the game.
+        String registryName = ore.getItem().delegate.name();
+        int hash;
+        if (registryName == null)
+        {
+            FMLLog.bigWarning("A broken ore dictionary registration with name %s has occurred. It adds an item (type: %s) which is currently unknown to the game registry. This dictionary item can only support a single value when"
+                    + " registered with ores like this, and NO I am not going to turn this spam off. Just register your ore dictionary entries after the GameRegistry.\n"
+                    + "TO USERS: YES this is a BUG in the mod "+Loader.instance().activeModContainer().getName()+" report it to them!", name, ore.getItem().getClass());
+            hash = -1;
+        }
+        else
+        {
+            hash = GameData.getItemRegistry().getId(registryName);
+        }
+        if (ore.getItemDamage() != WILDCARD_VALUE)
+        {
+            hash |= ((ore.getItemDamage() + 1) << 16); // +1 so 0 is significant
+        }
+
+        //Add things to the baked version, and prevent duplicates
+        List<Integer> ids = stackToId.get(hash);
+        if (ids != null && ids.contains(oreID)) return;
+        if (ids == null)
+        {
+            ids = Lists.newArrayList();
+            stackToId.put(hash, ids);
+        }
+        ids.add(oreID);
+
+        //Add to the unbaked version
+        ore = ore.copy();
+        idToStack.get(oreID).add(ore);
+        MinecraftForge.EVENT_BUS.post(new OreRegisterEvent(name, ore));
+    }
+	
+}