cut crafting tree earlier if ingredients are available

src/main/java/appeng/crafting/CraftingJob.java

@@ -57,6 +57,8 @@ public class CraftingJob implements Runnable, ICraftingJob
 	private final World world;
 	private final IItemList<IAEItemStack> crafting = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 	private final IItemList<IAEItemStack> missing = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+	private final IItemList<IAEItemStack> usedWhileBuilding = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+
 	private final HashMap<String, TwoIntegers> opsAndMultiplier = new HashMap<>();
 	private final Object monitor = new Object();
 	private final Stopwatch watch = Stopwatch.createUnstarted();
@@ -102,6 +104,16 @@ public class CraftingJob implements Runnable, ICraftingJob
 		this.availableCheck.injectItems( o, Actionable.MODULATE, this.actionSrc );
 	}
 
+	public IItemList<IAEItemStack> getUsedWhileBuilding()
+	{
+		return usedWhileBuilding;
+	}
+
+	public IAEItemStack getOriginal( IAEItemStack request )
+	{
+		return original.getItemList().findPrecise( request );
+	}
+
 	IAEItemStack checkUse( final IAEItemStack available )
 	{
 		return this.availableCheck.extractItems( available, Actionable.MODULATE, this.actionSrc );