Replace sound manager CT with mixin magic

src/main/java/eu/crushedpixel/replaymod/coremod/LoadingPlugin.java

@@ -41,8 +41,7 @@ public class LoadingPlugin implements IFMLLoadingPlugin {
     public String[] getASMTransformerClass() {
         return new String[]{
                 ForceChunkLoadingCT.class.getName(),
-                NoNameTagCT.class.getName(),
+                NoNameTagCT.class.getName()
-                SoundManagerCT.class.getName()
         };
     }
 

src/main/java/eu/crushedpixel/replaymod/coremod/SoundManagerCT.java

@@ -1,70 +0,0 @@
-package eu.crushedpixel.replaymod.coremod;
-
-import net.minecraft.launchwrapper.IClassTransformer;
-import org.objectweb.asm.ClassReader;
-import org.objectweb.asm.ClassWriter;
-import org.objectweb.asm.tree.*;
-
-import java.util.ListIterator;
-
-import static org.objectweb.asm.Opcodes.*;
-
-public class SoundManagerCT implements IClassTransformer {
-
-    private static final String REPLAY_HANDLER = "eu/crushedpixel/replaymod/replay/ReplayHandler";
-    private static final String CAMERA_ENTITY = "eu/crushedpixel/replaymod/entities/CameraEntity";
-    private static final String CLASS_NAME = "net.minecraft.client.audio.SoundManager";
-
-    @Override
-    public byte[] transform(String name, String transformedName, byte[] bytes) {
-        if (CLASS_NAME.equals(transformedName)) {
-            if (name.equals(transformedName)) {
-                return transform(bytes, "setListener", "(Lnet/minecraft/entity/player/EntityPlayer;F)V");
-            } else {
-                return transform(bytes, "a", "(Lahd;F)V");
-            }
-        }
-        return bytes;
-    }
-
-    private byte[] transform(byte[] bytes, String name_setListener, String desc_setListener) {
-        ClassReader classReader = new ClassReader(bytes);
-        ClassNode classNode = new ClassNode();
-        classReader.accept(classNode, 0);
-
-        boolean success = false;
-        for (MethodNode m : classNode.methods) {
-            if (desc_setListener.equals(m.desc) && name_setListener.equals(m.name)) {
-                ListIterator<AbstractInsnNode> iter = m.instructions.iterator();
-                inject(iter);
-                success = true;
-                break;
-            }
-        }
-        if (!success) {
-            throw new NoSuchMethodError();
-        }
-
-        ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_MAXS);
-        classNode.accept(classWriter);
-        return classWriter.toByteArray();
-    }
-
-    /**
-     * public void setListener(EntityPlayer player, float partialTicks) {
-     *     ...
-     *     if (ReplayHandler.isInReplay()) {
-     *         player = ReplayHandler.getCameraEntity();
-     *     }
-     *     ...
-     * }
-     */
-    private void inject(ListIterator<AbstractInsnNode> iter) {
-        LabelNode l = new LabelNode();
-        iter.add(new MethodInsnNode(INVOKESTATIC, REPLAY_HANDLER, "isInReplay", "()Z", false));
-        iter.add(new JumpInsnNode(IFEQ, l));
-        iter.add(new MethodInsnNode(INVOKESTATIC, REPLAY_HANDLER, "getCameraEntity", "()L" + CAMERA_ENTITY + ";", false));
-        iter.add(new VarInsnNode(ASTORE, 1));
-        iter.add(l);
-    }
-}

src/main/java/eu/crushedpixel/replaymod/mixin/MixinMinecraft.java

@@ -0,0 +1,17 @@
+package eu.crushedpixel.replaymod.mixin;
+
+import eu.crushedpixel.replaymod.replay.ReplayHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.audio.SoundHandler;
+import net.minecraft.entity.player.EntityPlayer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(Minecraft.class)
+public class MixinMinecraft {
+    @Redirect(method = "runGameLoop", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/audio/SoundHandler;setListener(Lnet/minecraft/entity/player/EntityPlayer;F)V"))
+    public void setSoundSystemListener(SoundHandler soundHandler, EntityPlayer listener, float renderPartialTicks) {
+        soundHandler.setListener(ReplayHandler.isInReplay() ? ReplayHandler.getCameraEntity() : listener, renderPartialTicks);
+    }
+}

src/main/resources/mixins.replaymod.json

@@ -4,6 +4,7 @@
   "mixins": [
     "MixinEffectRenderer",
     "MixinEntityRenderer",
+    "MixinMinecraft",
     "MixinRenderItem",
     "MixinRenderManager"
   ],