make fluid display correctly in wct

Author: GlodBlock

build.gradle

@@ -52,7 +52,7 @@ dependencies {
     deobfCompile 'curse.maven:codechicken-lib-1-8-242818:2779848' //ccl
     deobfCompile 'curse.maven:gregtech-ce-unofficial-557242:3784798' // gt
     compile files('libs/appliedenergistics2-rv6-stable-7-extended_life-v0.54.13-dev.jar') //pae2
-    compileOnly "curse.maven:dynamistics-383632:3056455" // dy
+    compileOnly 'curse.maven:dynamistics-383632:3056455' // dy
 }
 
 minecraft {

src/main/java/com/glodblock/github/coremod/FCClassTransformer.java

@@ -48,6 +48,10 @@ public byte[] transform(String name, String transformedName, byte[] code) {
             case "appeng.client.gui.implementations.GuiCraftConfirm":
                 tform = GuiCraftingTransformer.INSTANCE;
                 break;
+            case "p455w0rd.wct.client.gui.GuiCraftingCPU":
+            case "p455w0rd.wct.client.gui.GuiCraftConfirm":
+                tform = WCTGuiCraftingTransformer.INSTANCE;
+                break;
             default:
                 return code;
         }

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

@@ -0,0 +1,56 @@
+package com.glodblock.github.coremod.transform;
+
+import com.glodblock.github.coremod.FCClassTransformer;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+public class WCTGuiCraftingTransformer extends FCClassTransformer.ClassMapper {
+
+    public static final WCTGuiCraftingTransformer INSTANCE = new WCTGuiCraftingTransformer();
+
+    private WCTGuiCraftingTransformer() {
+        // NO-OP
+    }
+
+    @Override
+    protected ClassVisitor getClassMapper(ClassVisitor downstream) {
+        return new WCTGuiCraftingTransformer.TransformGuiCrafting(Opcodes.ASM5, downstream);
+    }
+
+    private static class TransformGuiCrafting extends ClassVisitor {
+
+        TransformGuiCrafting(int api, ClassVisitor cv) {
+            super(api, cv);
+        }
+
+        @Override
+        public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
+            if ("drawFG".equals(name)) {
+                return new WCTGuiCraftingTransformer.TransformFluidIcon(api, super.visitMethod(access, name, desc, signature, exceptions));
+            }
+            return super.visitMethod(access, name, desc, signature, exceptions);
+        }
+
+    }
+
+    private static class TransformFluidIcon extends MethodVisitor {
+
+        TransformFluidIcon(int api, MethodVisitor mv) {
+            super(api, mv);
+        }
+
+        @Override
+        public void visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf) {
+            super.visitMethodInsn(opcode, owner, name, desc, itf);
+            if (opcode == Opcodes.INVOKEINTERFACE && owner.equals("appeng/api/storage/data/IAEItemStack") && name.equals("createItemStack")) {
+                super.visitMethodInsn(Opcodes.INVOKESTATIC,
+                        "com/glodblock/github/coremod/CoreModHooks",
+                        "displayFluid",
+                        "(Lnet/minecraft/item/ItemStack;)Lnet/minecraft/item/ItemStack;",
+                        false);
+            }
+        }
+
+    }
+}