Fix recording of client player's metadata after respawn (fixes #212)

1.15 removed the data tracker syncing from the spawn packet, so we now need to
send that explicitly.

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

@@ -99,17 +99,14 @@ public class RecordingEventHandler extends EventRegistrations {
     }
     //#endif
 
-    public void onPlayerJoin() {
+    public void spawnRecordingPlayer() {
         try {
-            packetListener.save(new PlayerSpawnS2CPacket(mc.player));
-        } catch(Exception e1) {
-            e1.printStackTrace();
-        }
-    }
-
-    public void onPlayerRespawn() {
-        try {
-            packetListener.save(new PlayerSpawnS2CPacket(mc.player));
+            ClientPlayerEntity player = mc.player;
+            assert player != null;
+            packetListener.save(new PlayerSpawnS2CPacket(player));
+            //#if MC>=11500
+            packetListener.save(new EntityTrackerUpdateS2CPacket(player.getEntityId(), player.getDataTracker(), true));
+            //#endif
             lastX = lastY = lastZ = null;
         } catch(Exception e) {
             e.printStackTrace();

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

@@ -81,7 +81,7 @@ public abstract class MixinNetHandlerPlayClient {
                     // Only add spawn packet for our own player and only if he isn't known yet
                     if (data.getUuid().equals(mcStatic.player.getGameProfile().getId())
                             && !this.playerListEntries.containsKey(data.getUuid())) {
-                        handler.onPlayerJoin();
+                        handler.spawnRecordingPlayer();
                     }
                 }
             } catch (IOException e) {
@@ -96,7 +96,7 @@ public abstract class MixinNetHandlerPlayClient {
     //$$ public void recordOwnJoin(S01PacketJoinGame packet, CallbackInfo ci) {
     //$$     RecordingEventHandler handler = getRecordingEventHandler();
     //$$     if (handler != null) {
-    //$$         handler.onPlayerJoin();
+    //$$         handler.spawnRecordingPlayer();
     //$$     }
     //$$ }
     //#endif
@@ -116,7 +116,7 @@ public abstract class MixinNetHandlerPlayClient {
     public void recordOwnRespawn(PlayerRespawnS2CPacket packet, CallbackInfo ci) {
         RecordingEventHandler handler = getRecordingEventHandler();
         if (handler != null) {
-            handler.onPlayerRespawn();
+            handler.spawnRecordingPlayer();
         }
     }
 }