Added ore dictionary.

forge/forge_common/net/minecraft/src/forge/IOreHandler.java

@@ -0,0 +1,24 @@
+/**
+ * This software is provided under the terms of the Minecraft Forge Public 
+ * License v1.0.
+ */
+
+package net.minecraft.src.forge;
+
+import net.minecraft.src.ItemStack;
+
+/** The current list of known classes.
+ * oreTin, oreCopper, oreSilver
+ * ingotTin, ingotCopper, ingotSilver
+ * dyeBlue
+ * gemRuby, gemEmerald, gemSapphire
+ * woodRubber
+ */
+
+public interface IOreHandler {
+	/** Called when a new ore is registered with the ore dictionary.
+	 * @param oreClass The string class of the ore.
+	 * @param ore The ItemStack for the ore.
+	 */
+	public void registerOre(String oreClass, ItemStack ore);
+}

forge/forge_common/net/minecraft/src/forge/MinecraftForge.java

@@ -15,7 +15,6 @@ import java.util.*;
 public class MinecraftForge {
 
     private static LinkedList<IBucketHandler> bucketHandlers = new LinkedList<IBucketHandler>();
-
     /**
      * Register a new custom bucket handler.
      */
@@ -66,6 +65,138 @@ public class MinecraftForge {
         return null;
     }
 
+    // Ore Dictionary
+    // ------------------------------------------------------------
+    private static LinkedList<IOreHandler> oreHandlers = new LinkedList<IOreHandler>();
+    private static TreeMap<String,List<ItemStack>> oreDict=
+	    new TreeMap<String,List<ItemStack>>();
+
+    /** Register a new ore handler.  This will automatically call the handler
+     * with all current ores during registration, and every time a new ore is
+     * added later.
+     */
+    public static void registerOreHandler(IOreHandler handler) {
+	    oreHandlers.add(handler);
+
+	    for(String key : oreDict.keySet()) {
+		    List<ItemStack> val=oreDict.get(key);
+		    for(ItemStack ist : val) {
+			    handler.registerOre(key,ist);
+		    }
+	    }
+    }
+
+    /** Register a new item with the ore dictionary.
+     * @param oreClass The string class of the ore.
+     * @param ore The ItemStack for the ore.
+     */
+    public static void registerOre(String oreClass, ItemStack ore) {
+	    List<ItemStack> orelist=oreDict.get(oreClass);
+	    if(orelist==null) {
+		    orelist=new ArrayList<ItemStack>();
+		    oreDict.put(oreClass,orelist);
+	    }
+	    orelist.add(ore);
+	    for(IOreHandler ioh : oreHandlers) {
+		    ioh.registerOre(oreClass,ore);
+	    }
+    }
+
+    /** Get the list of ores in a given class.
+     */
+    public static List<ItemStack> getOreClass(String oreClass) {
+	    return oreDict.get(oreClass);
+    }
+
+    public static class OreQuery implements Iterable<Object[]> {
+	    Object[] proto;
+
+	    public class OreQueryIterator implements Iterator<Object[]> {
+		    LinkedList itering;
+		    LinkedList output;
+
+		    private OreQueryIterator() {
+			    itering=new LinkedList();
+			    output=new LinkedList();
+
+			    for(int i=0; i<proto.length; i++) {
+				    if(proto[i] instanceof Collection) {
+					    Iterator it=((Collection)proto[i])
+						    .iterator();
+					    if(!it.hasNext()) {
+						    output=null; break;
+					    }
+					    itering.addLast(it);
+					    output.addLast(it.next());
+				    } else {
+					    itering.addLast(proto[i]);
+					    output.addLast(proto[i]);
+				    }
+			    }
+		    }
+
+		    public boolean hasNext() {
+			    return output!=null;
+		    }
+
+		    public Object[] next() {
+			    Object[] tr=output.toArray();
+
+			    Object to;
+			    while(true) {
+				    if(itering.size()==0) {
+					    output=null;
+					    return tr;
+				    }
+				    to=itering.getLast();
+				    output.removeLast();
+				    if(to instanceof Iterator) {
+					    Iterator it=(Iterator)to;
+					    if(it.hasNext()) {
+						    output.addLast(it.next());
+						    break;
+					    }
+				    }
+				    itering.removeLast();
+			    }
+			    for(int i=itering.size(); i<proto.length; i++) {
+				    if(proto[i] instanceof Collection) {
+					    Iterator it=((Collection)proto[i])
+						    .iterator();
+					    if(!it.hasNext()) {
+						    output=null; break;
+					    }
+					    itering.addLast(it);
+					    output.addLast(it.next());
+				    } else {
+					    itering.addLast(proto[i]);
+					    output.addLast(proto[i]);
+				    }
+			    }
+			    return tr;
+		    }
+
+		    public void remove() {}
+	    }
+
+	    private OreQuery(Object[] pattern) {
+		    proto=pattern;
+	    }
+
+	    public Iterator<Object[]> iterator() {
+		    return new OreQueryIterator();
+	    }
+    }
+
+    /** Generate all valid legal recipe combinations.  Any Lists in pattern
+     * will be fully expanded to all valid combinations.
+     */
+    public static OreQuery generateRecipes(Object... pattern) {
+	    return new OreQuery(pattern);
+    }
+
+    // ------------------------------------------------------------
+
     /** Register a new plant to be planted when bonemeal is used on grass.
      * @param bid The block ID to plant.
      * @param md The metadata to plant.