Implemented Recipe Groups.

Added ISubItemResolvers.
ItemSeeds now use Constants instead of raw integers.

core/features/registries/RecipeHandlerRegistry.java

@@ -1,39 +1,71 @@
 package appeng.core.features.registries;
 
 import java.util.HashMap;
+import java.util.LinkedList;
 
 import appeng.api.features.IRecipeHandlerRegistry;
 import appeng.api.recipes.ICraftHandler;
 import appeng.api.recipes.IRecipeHandler;
+import appeng.api.recipes.ISubItemResolver;
+import appeng.api.recipes.ResolveResult;
 import appeng.core.AELog;
 import appeng.recipes.RecipeHandler;
 
-public class RecipeHandlerRegistry implements IRecipeHandlerRegistry{
-	
-	HashMap<String,Class<? extends ICraftHandler>> handlers = new HashMap<String, Class<? extends ICraftHandler >>();
+public class RecipeHandlerRegistry implements IRecipeHandlerRegistry
+{
+
+	HashMap<String, Class<? extends ICraftHandler>> handlers = new HashMap<String, Class<? extends ICraftHandler>>();
+	LinkedList<ISubItemResolver> resolvers = new LinkedList<ISubItemResolver>();
 
 	@Override
-	public void addNewCraftHandler(String name, Class<? extends ICraftHandler> handler) {
-		handlers.put(name.toLowerCase(), handler);
+	public void addNewCraftHandler(String name, Class<? extends ICraftHandler> handler)
+	{
+		handlers.put( name.toLowerCase(), handler );
 	}
 
 	@Override
-	public ICraftHandler getCraftHandlerFor(String name) {
-		Class<? extends ICraftHandler> clz= handlers.get(name);
-		if ( clz == null ) return null;
-		try {
+	public ICraftHandler getCraftHandlerFor(String name)
+	{
+		Class<? extends ICraftHandler> clz = handlers.get( name );
+		if ( clz == null )
+			return null;
+		try
+		{
 			return clz.newInstance();
-		} catch (Throwable e) {
-			AELog.severe("Error Caused when trying to construct "+clz.getName());
-			AELog.error(e);
-			handlers.put(name, null); // clear it..
+		}
+		catch (Throwable e)
+		{
+			AELog.severe( "Error Caused when trying to construct " + clz.getName() );
+			AELog.error( e );
+			handlers.put( name, null ); // clear it..
 			return null;
 		}
 	}
 
 	@Override
-	public IRecipeHandler createNewRecipehandler() {
+	public IRecipeHandler createNewRecipehandler()
+	{
 		return new RecipeHandler();
 	}
-	
+
+	@Override
+	public void addNewSubItemResolver(ISubItemResolver sir)
+	{
+		resolvers.add( sir );
+	}
+
+	@Override
+	public ResolveResult resolveItem(String nameSpace, String itemName)
+	{
+		for (ISubItemResolver sir : resolvers)
+		{
+			ResolveResult rr = sir.resolveItemByName( nameSpace, itemName );
+
+			if ( rr != null )
+				return rr;
+		}
+
+		return null;
+	}
+
 }