[1.7.10] Fix recording of chunk packets in MP (fixes #98)

src/main/java/com/replaymod/recording/mixin/MixinS26PacketMapChunkBulk.java

@@ -0,0 +1,38 @@
+//#if MC<=10710
+//$$ package com.replaymod.recording.mixin;
+//$$
+//$$ import net.minecraft.network.PacketBuffer;
+//$$ import net.minecraft.network.play.server.S21PacketChunkData;
+//$$ import net.minecraft.network.play.server.S26PacketMapChunkBulk;
+//$$ 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;
+//$$
+//$$ import java.util.concurrent.Semaphore;
+//$$
+//$$ @Mixin({ S21PacketChunkData.class, S26PacketMapChunkBulk.class })
+//$$ public abstract class MixinS26PacketMapChunkBulk {
+//$$
+//$$     private byte[] rawData;
+//$$
+//$$     @Shadow(remap = false)
+//$$     private Semaphore deflateGate;
+//$$
+//$$     @Inject(method = "readPacketData", at = @At("HEAD"))
+//$$     private void replayModRecording_readRawPacketData(PacketBuffer data, CallbackInfo ci) {
+//$$         int readerIndex = data.readerIndex();
+//$$         data.readBytes(rawData = new byte[data.readableBytes()]);
+//$$         data.readerIndex(readerIndex);
+//$$     }
+//$$
+//$$     @Inject(method = "writePacketData", at = @At("HEAD"), cancellable = true)
+//$$     private void replayModRecording_writePacketData(PacketBuffer data, CallbackInfo ci) {
+//$$         if (rawData != null && deflateGate == null) {
+//$$             data.writeBytes(rawData);
+//$$             ci.cancel();
+//$$         }
+//$$     }
+//$$ }
+//#endif

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

@@ -10,6 +10,7 @@
     //#endif
     //#if MC<=10710
     //$$ "MixinGuiScreen",
+    //$$ "MixinS26PacketMapChunkBulk",
     //#endif
     "MixinNetHandlerLoginClient",
     "MixinNetHandlerPlayClient",