Update EmotePacket creation for 1.20 (#3841)

Include xuid and platformId in EmotePacket

core/src/main/java/org/geysermc/geyser/session/GeyserSession.java

@@ -1949,8 +1949,10 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
         }
 
         EmotePacket packet = new EmotePacket();
-        packet.setEmoteId(emoteId);
         packet.setRuntimeEntityId(entity.getGeyserId());
+        packet.setXuid("");
+        packet.setPlatformId(""); // BDS sends empty
+        packet.setEmoteId(emoteId);
         sendUpstreamPacket(packet);
     }
 

core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/entity/player/BedrockEmoteTranslator.java

@@ -56,21 +56,38 @@ public class BedrockEmoteTranslator extends PacketTranslator<EmotePacket> {
         }
 
         int javaId = session.getPlayerEntity().getEntityId();
+        String xuid = session.getAuthData().xuid();
+        String emote = packet.getEmoteId();
         for (GeyserSession otherSession : session.getGeyser().getSessionManager().getSessions().values()) {
             if (otherSession != session) {
                 if (otherSession.isClosed()) continue;
                 if (otherSession.getEventLoop().inEventLoop()) {
-                    playEmote(otherSession, javaId, packet.getEmoteId());
+                    playEmote(otherSession, javaId, xuid, emote);
                 } else {
-                    otherSession.executeInEventLoop(() -> playEmote(otherSession, javaId, packet.getEmoteId()));
+                    otherSession.executeInEventLoop(() -> playEmote(otherSession, javaId, xuid, emote));
                 }
             }
         }
     }
 
-    private void playEmote(GeyserSession otherSession, int javaId, String emoteId) {
-        Entity otherEntity = otherSession.getEntityCache().getEntityByJavaId(javaId); // Must be ran on same thread
-        if (!(otherEntity instanceof PlayerEntity otherPlayer)) return;
-        otherSession.showEmote(otherPlayer, emoteId);
+    /**
+     * Play an emote by an emoter to the given session.
+     * This method must be called within the session's event loop.
+     *
+     * @param session the session to show the emote to
+     * @param emoterJavaId the java id of the emoter
+     * @param emoterXuid the xuid of the emoter
+     * @param emoteId the emote to play
+     */
+    private static void playEmote(GeyserSession session, int emoterJavaId, String emoterXuid, String emoteId) {
+        Entity emoter = session.getEntityCache().getEntityByJavaId(emoterJavaId); // Must be ran on same thread
+        if (emoter instanceof PlayerEntity) {
+            EmotePacket packet = new EmotePacket();
+            packet.setRuntimeEntityId(emoter.getGeyserId());
+            packet.setXuid(emoterXuid);
+            packet.setPlatformId(""); // BDS sends empty
+            packet.setEmoteId(emoteId);
+            session.sendUpstreamPacket(packet);
+        }
     }
 }