Fix several sounds and the block break effect not being recorded (fixes #8)

src/main/java/com/replaymod/recording/handler/RecordingEventHandler.java

@@ -11,6 +11,8 @@ import net.minecraft.network.datasync.EntityDataManager;
 import net.minecraft.network.play.server.*;
 import net.minecraft.server.integrated.IntegratedServer;
 import net.minecraft.util.EnumHand;
+import net.minecraft.util.SoundCategory;
+import net.minecraft.util.SoundEvent;
 import net.minecraft.util.math.BlockPos;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.event.entity.minecart.MinecartInteractEvent;
@@ -69,6 +71,25 @@ public class RecordingEventHandler {
         }
     }
 
+    public void onClientSound(SoundEvent sound, SoundCategory category,
+                              double x, double y, double z, float volume, float pitch) {
+        try {
+            // Send to all other players in ServerWorldEventHandler#playSoundToAllNearExcept
+            packetListener.save(new SPacketSoundEffect(sound, category, x, y, z, volume, pitch));
+        } catch(Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void onClientEffect(int type, BlockPos pos, int data) {
+        try {
+            // Send to all other players in ServerWorldEventHandler#playEvent
+            packetListener.save(new SPacketEffect(type, pos, data, false));
+        } catch(Exception e) {
+            e.printStackTrace();
+        }
+    }
+
     @SubscribeEvent
     public void onPlayerTick(PlayerTickEvent e) {
         try {

src/main/java/com/replaymod/recording/mixin/MixinPlayerControllerMP.java

@@ -0,0 +1,28 @@
+package com.replaymod.recording.mixin;
+
+import com.replaymod.recording.handler.RecordingEventHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.PlayerControllerMP;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(PlayerControllerMP.class)
+public abstract class MixinPlayerControllerMP implements RecordingEventHandler.RecordingEventSender {
+
+    @Shadow
+    private Minecraft mc;
+
+    // Redirects the call to playEvent without the initial player argument to the method with that argument
+    // The new method will then play it and (if applicable) record it. (See MixinWorldClient)
+    // This is necessary for the block break event (particles and sound) to be recorded. Otherwise it looks like the
+    // event was emitted because of a packet (player will be null) and not as it actually was (by the player).
+    @Redirect(method = "onPlayerDestroyBlock", at = @At(value = "INVOKE",
+            target = "Lnet/minecraft/world/World;playEvent(ILnet/minecraft/util/math/BlockPos;I)V"))
+    public void replayModRecording_playEvent_fixed(World world, int type, BlockPos pos, int data) {
+        world.playEvent(mc.thePlayer, type, pos, data);
+    }
+}

src/main/java/com/replaymod/recording/mixin/MixinWorldClient.java

@@ -0,0 +1,62 @@
+package com.replaymod.recording.mixin;
+
+import com.replaymod.recording.handler.RecordingEventHandler;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.WorldClient;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.profiler.Profiler;
+import net.minecraft.util.SoundCategory;
+import net.minecraft.util.SoundEvent;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import net.minecraft.world.WorldProvider;
+import net.minecraft.world.storage.ISaveHandler;
+import net.minecraft.world.storage.WorldInfo;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(WorldClient.class)
+public abstract class MixinWorldClient extends World implements RecordingEventHandler.RecordingEventSender {
+    @Shadow
+    private Minecraft mc;
+
+    protected MixinWorldClient(ISaveHandler saveHandlerIn, WorldInfo info, WorldProvider providerIn, Profiler profilerIn, boolean client) {
+        super(saveHandlerIn, info, providerIn, profilerIn, client);
+    }
+
+    private RecordingEventHandler replayModRecording_getRecordingEventHandler() {
+        return ((RecordingEventHandler.RecordingEventSender) mc.renderGlobal).getRecordingEventHandler();
+    }
+
+    // Sounds that are emitted by thePlayer no longer take the long way over the server
+    // but are instead played directly by the client. The server only sends these sounds to
+    // other clients so we have to record them manually.
+    // E.g. Block place sounds
+    @Inject(method = "playSound", at = @At("HEAD"))
+    public void replayModRecording_recordClientSound(EntityPlayer player, double x, double y, double z, SoundEvent sound, SoundCategory category,
+                          float volume, float pitch, CallbackInfo ci) {
+        if (player == mc.thePlayer) {
+            RecordingEventHandler handler = replayModRecording_getRecordingEventHandler();
+            if (handler != null) {
+                handler.onClientSound(sound, category, x, y, z, volume, pitch);
+            }
+        }
+    }
+
+    // Same goes for level events (also called effects). E.g. door open, block break, etc.
+    // These are handled in the World class, so we override the method in WorldClient and add our special handling.
+    @Override
+    public void playEvent(EntityPlayer player, int type, BlockPos pos, int data) {
+        if (player == mc.thePlayer) {
+            // We caused this event, the server won't send it to us
+            RecordingEventHandler handler = replayModRecording_getRecordingEventHandler();
+            if (handler != null) {
+                handler.onClientEffect(type, pos, data);
+            }
+        }
+        super.playEvent(player, type, pos, data);
+    }
+}

src/main/resources/mixins.recording.replaymod.json

@@ -5,7 +5,9 @@
   "server": [],
   "client": [
     "MixinNetHandlerPlayClient",
-    "MixinRenderGlobal"
+    "MixinPlayerControllerMP",
+    "MixinRenderGlobal",
+    "MixinWorldClient"
   ],
   "compatibilityLevel": "JAVA_8",
   "refmap": "mixins.replaymod.refmap.json"