asm packet return to crafting inventory

src/main/java/com/glodblock/github/coremod/hooker/CoreModHooks.java

@@ -52,6 +52,17 @@ public class CoreModHooks {
         return stack;
     }
 
+    public static ItemStack removeFluidPackets(InventoryCrafting inv, int index) {
+        ItemStack stack = inv.getStackInSlot(index);
+        if (stack != null && stack.getItem() instanceof ItemFluidPacket) {
+            FluidStack fluid = ItemFluidPacket.getFluidStack(stack);
+            return ItemFluidDrop.newStack(fluid);
+        }
+        else {
+            return stack;
+        }
+    }
+
     @Nullable
     public static InventoryAdaptor wrapInventory(@Nullable TileEntity tile, ForgeDirection face) {
         return tile != null ? FluidConvertingInventoryAdaptor.wrap(tile, Util.from(face)) : null;

src/main/java/com/glodblock/github/coremod/transform/CraftingCpuTransformer.java

@@ -83,6 +83,15 @@ public class CraftingCpuTransformer extends FCClassTransformer.ClassMapper {
                     return;
                 }
             }
+            if (opcode == Opcodes.INVOKEVIRTUAL &&
+                owner.equals("net/minecraft/inventory/InventoryCrafting") && name.equals("getStackInSlot")) {
+                super.visitMethodInsn(Opcodes.INVOKESTATIC,
+                    "com/glodblock/github/coremod/hooker/CoreModHooks",
+                    "removeFluidPackets",
+                    "(Lnet/minecraft/inventory/InventoryCrafting;I)Lnet/minecraft/item/ItemStack;",
+                    false);
+                return;
+            }
             super.visitMethodInsn(opcode, owner, name, desc, itf);
             if (gotInventory) {
                 if (opcode == Opcodes.INVOKESTATIC