InventoryTweak sorting support (#3603)

src/main/java/appeng/integration/IntegrationType.java

@@ -21,6 +21,7 @@ package appeng.integration;
 
 import appeng.integration.modules.crafttweaker.CTModule;
 import appeng.integration.modules.ic2.IC2Module;
+import appeng.integration.modules.inventorytweaks.InventoryTweaksModule;
 import appeng.integration.modules.jei.JEIModule;
 import appeng.integration.modules.theoneprobe.TheOneProbeModule;
 import appeng.integration.modules.waila.WailaModule;
@@ -50,7 +51,14 @@ public enum IntegrationType
 		}
 	},
 
-	InvTweaks( IntegrationSide.CLIENT, "Inventory Tweaks", "inventorytweaks" ),
+	InvTweaks( IntegrationSide.CLIENT, "Inventory Tweaks", "inventorytweaks" )
+	{
+		@Override
+		public IIntegrationModule createInstance()
+		{
+			return Integrations.setInvTweaks( new InventoryTweaksModule() );
+		}
+	},
 
 	JEI( IntegrationSide.CLIENT, "Just Enough Items", "jei" )
 	{

src/main/java/appeng/integration/modules/inventorytweaks/InventoryTweaksModule.java

@@ -0,0 +1,41 @@
+
+package appeng.integration.modules.inventorytweaks;
+
+
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.fml.common.Loader;
+
+import invtweaks.api.InvTweaksAPI;
+
+import appeng.integration.abstraction.IInvTweaks;
+
+
+public class InventoryTweaksModule implements IInvTweaks
+{
+	InvTweaksAPI api = null;
+
+	public InventoryTweaksModule()
+	{
+		try
+		{
+			api = (InvTweaksAPI) Class.forName( "invtweaks.forge.InvTweaksMod", true, Loader.instance().getModClassLoader() )
+					.getField( "instance" )
+					.get( null );
+		}
+		catch( Exception ex )
+		{
+		}
+	}
+
+	@Override
+	public boolean isEnabled()
+	{
+		return api != null;
+	}
+
+	@Override
+	public int compareItems( ItemStack i, ItemStack j )
+	{
+		return api.compareItems( i, j );
+	}
+}

src/main/java/appeng/util/ItemSorters.java

@@ -87,7 +87,7 @@ public class ItemSorters
 				return CONFIG_BASED_SORT_BY_NAME.compare( o1, o2 );
 			}
 
-			final int cmp = api.compareItems( o1.asItemStackRepresentation(), o2.asItemStackRepresentation() );
+			final int cmp = api.compareItems( o1.createItemStack(), o2.createItemStack() );
 			return applyDirection( cmp );
 		}
 	};
@@ -120,8 +120,8 @@ public class ItemSorters
 	}
 
 	private static int applyDirection( int cmp )
-        {
-		if ( getDirection() == SortDir.ASCENDING )
+	{
+		if( getDirection() == SortDir.ASCENDING )
 		{
 			return cmp;
 		}