Relocate Source to proper directory.

src/main/java/appeng/util/item/ItemModList.java

@@ -0,0 +1,60 @@
+package appeng.util.item;
+
+import java.util.Collection;
+
+import appeng.api.AEApi;
+import appeng.api.config.FuzzyMode;
+import appeng.api.storage.data.IAEItemStack;
+import appeng.api.storage.data.IItemContainer;
+
+public class ItemModList implements IItemContainer<IAEItemStack>
+{
+
+	final IItemContainer<IAEItemStack> backingStore;
+	final IItemContainer<IAEItemStack> overrides = AEApi.instance().storage().createItemList();
+
+	public ItemModList(IItemContainer<IAEItemStack> backend) {
+		backingStore = backend;
+	}
+
+	@Override
+	public void add(IAEItemStack option)
+	{
+		IAEItemStack over = overrides.findPrecise( option );
+		if ( over == null )
+		{
+			over = backingStore.findPrecise( option );
+			if ( over == null )
+				overrides.add( option );
+			else
+			{
+				option.add( over );
+				overrides.add( option );
+			}
+		}
+		else
+			overrides.add( option );
+	}
+
+	@Override
+	public IAEItemStack findPrecise(IAEItemStack i)
+	{
+		IAEItemStack over = overrides.findPrecise( i );
+		if ( over == null )
+			return backingStore.findPrecise( i );
+		return over;
+	}
+
+	@Override
+	public Collection<IAEItemStack> findFuzzy(IAEItemStack input, FuzzyMode fuzzy)
+	{
+		return overrides.findFuzzy( input, fuzzy );
+	}
+
+	@Override
+	public boolean isEmpty()
+	{
+		return overrides.isEmpty() && backingStore.isEmpty();
+	}
+
+}