New Inventory Helper stuff.

util/iterators/InvIterator.java

@@ -0,0 +1,39 @@
+package appeng.util.iterators;
+
+import java.util.Iterator;
+
+import net.minecraft.inventory.IInventory;
+import net.minecraft.item.ItemStack;
+
+public class InvIterator implements Iterator<ItemStack>
+{
+
+	final IInventory inv;
+	final int size;
+
+	int x = 0;
+
+	public InvIterator(IInventory i) {
+		inv = i;
+		size = inv.getSizeInventory();
+	}
+
+	@Override
+	public boolean hasNext()
+	{
+		return x < size;
+	}
+
+	@Override
+	public ItemStack next()
+	{
+		return inv.getStackInSlot( x++ );
+	}
+
+	@Override
+	public void remove()
+	{
+		throw new RuntimeException( "no..." );
+	}
+
+}