Fixed some weird stuff I did back in the days when first writing the Packet Serialization.

src/main/java/eu/crushedpixel/replaymod/events/GuiEventHandler.java

@@ -14,12 +14,14 @@ import net.minecraft.client.gui.GuiOptions;
 import net.minecraft.client.gui.GuiVideoSettings;
 import net.minecraft.client.gui.inventory.GuiInventory;
 import net.minecraft.client.multiplayer.WorldClient;
+import net.minecraft.client.network.NetHandlerPlayClient;
 import net.minecraft.client.resources.I18n;
 import net.minecraft.client.settings.GameSettings.Options;
 import net.minecraftforge.client.event.GuiOpenEvent;
 import net.minecraftforge.client.event.GuiScreenEvent.ActionPerformedEvent;
 import net.minecraftforge.client.event.GuiScreenEvent.DrawScreenEvent;
 import net.minecraftforge.client.event.GuiScreenEvent.InitGuiEvent;
+import net.minecraftforge.fml.common.FMLCommonHandler;
 import net.minecraftforge.fml.common.eventhandler.Event.Result;
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import eu.crushedpixel.replaymod.ReplayMod;
@@ -114,6 +116,7 @@ public class GuiEventHandler {
 				if(b.id == 1) {
 					b.displayString = "Exit Replay";
 					b.yPosition -= 24*2;
+					b.id = GuiConstants.EXIT_REPLAY_BUTTON;
 				} else if(b.id >= 5 && b.id <= 7) {
 					event.buttonList.remove(b);
 				} else if(b.id != 4) {
@@ -161,21 +164,19 @@ public class GuiEventHandler {
 			mc.displayGuiScreen(new GuiReplaySettings(event.gui));
 		}
 
-		if(ReplayHandler.replayActive() && event.gui instanceof GuiIngameMenu && event.button.id == 1) {
+		if(ReplayHandler.replayActive() && event.gui instanceof GuiIngameMenu && event.button.id == GuiConstants.EXIT_REPLAY_BUTTON) {
+			ReplayHandler.endReplay();
+			
 			event.button.enabled = false;
 			
 			mc.gameSettings.setOptionFloatValue(Options.GAMMA, ReplayHandler.getInitialGamma());
 
 			ReplayHandler.lastExit = System.currentTimeMillis();
 
-			/* This is already being executed by the default Exit action handling (vanilla code)
 			mc.theWorld.sendQuittingDisconnectingPacket();
 			mc.loadWorld((WorldClient)null);
 			mc.displayGuiScreen(new GuiMainMenu());
-			*/
 			
-			ReplayHandler.endReplay();
-
 			ReplayGuiRegistry.show();
 		}
 	}

src/main/java/eu/crushedpixel/replaymod/events/GuiReplayOverlay.java

@@ -135,7 +135,7 @@ public class GuiReplayOverlay extends Gui {
 			if(mc != null && mc.thePlayer != null)
 				MinecraftTicker.runMouseKeyboardTick(mc);
 		}
-		if(mc.getRenderViewEntity() == mc.thePlayer || !mc.getRenderViewEntity().isEntityAlive() 
+		if((mc.getRenderViewEntity() == mc.thePlayer || !mc.getRenderViewEntity().isEntityAlive())
 				&& ReplayHandler.getCameraEntity() != null) {
 			ReplayHandler.spectateCamera();
 			ReplayHandler.getCameraEntity().movePath(new Position(lastX, lastY, lastZ, lastPitch, lastYaw));

src/main/java/eu/crushedpixel/replaymod/events/RecordingHandler.java

@@ -3,13 +3,12 @@ package eu.crushedpixel.replaymod.events;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 
-import java.io.IOException;
+import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.List;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.entity.player.EntityPlayer.EnumStatus;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.network.Packet;
@@ -21,18 +20,17 @@ import net.minecraft.network.play.server.S0CPacketSpawnPlayer;
 import net.minecraft.network.play.server.S0DPacketCollectItem;
 import net.minecraft.network.play.server.S12PacketEntityVelocity;
 import net.minecraft.network.play.server.S13PacketDestroyEntities;
-import net.minecraft.network.play.server.S1BPacketEntityAttach;
 import net.minecraft.network.play.server.S14PacketEntity.S17PacketEntityLookMove;
 import net.minecraft.network.play.server.S18PacketEntityTeleport;
 import net.minecraft.network.play.server.S19PacketEntityHeadLook;
 import net.minecraft.network.play.server.S19PacketEntityStatus;
+import net.minecraft.network.play.server.S1BPacketEntityAttach;
 import net.minecraft.network.play.server.S38PacketPlayerListItem;
 import net.minecraft.network.play.server.S38PacketPlayerListItem.Action;
 import net.minecraft.util.MathHelper;
 import net.minecraftforge.event.entity.EntityJoinWorldEvent;
 import net.minecraftforge.event.entity.living.LivingDeathEvent;
 import net.minecraftforge.event.entity.living.LivingHurtEvent;
-import net.minecraftforge.event.entity.minecart.MinecartEvent;
 import net.minecraftforge.event.entity.minecart.MinecartInteractEvent;
 import net.minecraftforge.event.entity.player.PlayerSleepInBedEvent;
 import net.minecraftforge.event.entity.player.PlayerUseItemEvent;
@@ -41,6 +39,7 @@ import net.minecraftforge.fml.common.gameevent.PlayerEvent.ItemPickupEvent;
 import net.minecraftforge.fml.common.gameevent.PlayerEvent.PlayerRespawnEvent;
 import net.minecraftforge.fml.common.gameevent.TickEvent.PlayerTickEvent;
 import eu.crushedpixel.replaymod.recording.ConnectionEventHandler;
+import eu.crushedpixel.replaymod.reflection.MCPNames;
 
 public class RecordingHandler {
 
@@ -81,6 +80,17 @@ public class RecordingHandler {
 		}
 	}
 
+	private static Field dataWatcherField;
+
+	static {
+		try {
+			dataWatcherField = S0CPacketSpawnPlayer.class.getDeclaredField(MCPNames.field("field_148960_i"));
+			dataWatcherField.setAccessible(true);
+		} catch(Exception e) {
+			e.printStackTrace();
+		}
+	}
+	
 	private S0CPacketSpawnPlayer spawnPlayer(EntityPlayer player) {
 		try {
 			S0CPacketSpawnPlayer packet = new S0CPacketSpawnPlayer();
@@ -98,11 +108,14 @@ public class RecordingHandler {
 			pb.writeByte((byte)((int)(player.rotationPitch * 256.0F / 360.0F)));
 
 			ItemStack itemstack = player.inventory.getCurrentItem();
-			pb.writeInt(itemstack == null ? 0 : Item.getIdFromItem(itemstack.getItem()));
+			pb.writeShort(itemstack == null ? 0 : Item.getIdFromItem(itemstack.getItem()));
+			
 			player.getDataWatcher().writeTo(pb);
 
 			packet.readPacketData(pb);
-
+			
+			dataWatcherField.set(packet, player.getDataWatcher());
+			
 			return packet;
 		} catch(Exception e) {
 			e.printStackTrace();

src/main/java/eu/crushedpixel/replaymod/gui/GuiConstants.java

@@ -19,6 +19,8 @@ public class GuiConstants {
 	public static final int UPLOAD_TAG_INPUT = 3007;
 	public static final int UPLOAD_TAG_PLACEHOLDER = 3008;
 	
+	public static final int EXIT_REPLAY_BUTTON = 4001;
+	
 	public static final int REPLAY_OPTIONS_BUTTON_ID = 8000;
 	
 	public static final int REPLAY_MANAGER_BUTTON_ID = 9001;

src/main/java/eu/crushedpixel/replaymod/recording/PacketListener.java

@@ -106,26 +106,7 @@ public class PacketListener extends DataListener {
 		//Converts the packet back to a ByteBuffer for correct saving
 
 		ByteBuf bb = Unpooled.buffer();
-		if(packet instanceof S0FPacketSpawnMob) {
+		
-			Field field_149043_l = S0FPacketSpawnMob.class.getDeclaredField(MCPNames.field("field_149043_l"));
-			field_149043_l.setAccessible(true);
-			DataWatcher l = (DataWatcher)field_149043_l.get(packet);
-			DataWatcher dw = new DataWatcher(null);
-			if(l == null) {
-				field_149043_l.set(packet, dw);
-			}
-		}
-
-		if(packet instanceof S0CPacketSpawnPlayer) {
-			Field field_149043_l = S0CPacketSpawnPlayer.class.getDeclaredField(MCPNames.field("field_148960_i"));
-			field_149043_l.setAccessible(true);
-			DataWatcher l = (DataWatcher)field_149043_l.get(packet);
-			DataWatcher dw = new DataWatcher(null);
-			if(l == null) {
-				field_149043_l.set(packet, dw);
-			}
-		}
-
 		packetSerializer.encode(ctx, packet, bb);
 
 		bb.readerIndex(0);

src/main/java/eu/crushedpixel/replaymod/replay/ReplaySender.java

@@ -362,6 +362,8 @@ public class ReplaySender extends ChannelInboundHandlerAdapter {
 
 	private static Field playerUUIDField;
 	private static Field gameProfileField;
+	
+	//private static Field dataWatcherField;
 
 	static {
 		try {
@@ -370,6 +372,9 @@ public class ReplaySender extends ChannelInboundHandlerAdapter {
 
 			gameProfileField = S38PacketPlayerListItem.AddPlayerData.class.getDeclaredField("field_179964_d");
 			gameProfileField.setAccessible(true);
+			
+			//dataWatcherField = S0CPacketSpawnPlayer.class.getDeclaredField(MCPNames.field("field_148960_i"));
+			//dataWatcherField.setAccessible(true);
 		} catch(Exception e) {
 			e.printStackTrace();
 		}
@@ -472,6 +477,13 @@ public class ReplaySender extends ChannelInboundHandlerAdapter {
 					p = sp;
 				}
 				*/
+				
+				/*
+				if(p instanceof S0CPacketSpawnPlayer) {
+					System.out.println(dataWatcherField.get(p));
+					System.out.println(((S0CPacketSpawnPlayer) p).func_148944_c());
+				}
+				*/
 
 				if(p instanceof S07PacketRespawn) {
 					allowMovement = true;