Reset metadata and attributes if needed when respawning

core/src/main/java/org/geysermc/geyser/entity/type/player/PlayerEntity.java

@@ -307,7 +307,7 @@ public class PlayerEntity extends LivingEntity implements GeyserPlayerEntity {
      * Sets the parrot occupying the shoulder. Bedrock Edition requires a full entity whereas Java Edition just
      * spawns it from the NBT data provided
      */
-    private void setParrot(CompoundTag tag, boolean isLeft) {
+    protected void setParrot(CompoundTag tag, boolean isLeft) {
         if (tag != null && !tag.isEmpty()) {
             if ((isLeft && leftParrot != null) || (!isLeft && rightParrot != null)) {
                 // No need to update a parrot's data when it already exists

core/src/main/java/org/geysermc/geyser/entity/type/player/SessionPlayerEntity.java

@@ -258,10 +258,28 @@ public class SessionPlayerEntity extends PlayerEntity {
     public void resetMetadata() {
         // Reset all metadata to their default values
         // This is used when a player respawns
+        this.flags.clear();
         this.initializeMetadata();
 
         // Reset air
         this.resetAir();
+
+        // Explicitly reset all metadata not handled by initializeMetadata
+        setParrot(null, true);
+        setParrot(null, false);
+
+        UpdateAttributesPacket attributesPacket = new UpdateAttributesPacket();
+        attributesPacket.setRuntimeEntityId(geyserId);
+        attributesPacket.setAttributes(Collections.singletonList(
+                new AttributeData("minecraft:absorption", 0.0f, 1024f, 0.0f, 0.0f)));
+        session.sendUpstreamPacket(attributesPacket);
+
+        dirtyMetadata.put(EntityDataTypes.EFFECT_COLOR, 0);
+        dirtyMetadata.put(EntityDataTypes.EFFECT_AMBIENCE, (byte) 0);
+
+        silent = false;
+
+        dirtyMetadata.put(EntityDataTypes.FREEZING_EFFECT_STRENGTH, 0f);
     }
 
     public void resetAir() {

core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaRespawnTranslator.java

@@ -49,6 +49,16 @@ public class JavaRespawnTranslator extends PacketTranslator<ClientboundRespawnPa
         SessionPlayerEntity entity = session.getPlayerEntity();
         PlayerSpawnInfo spawnInfo = packet.getCommonPlayerSpawnInfo();
 
+        if (!packet.isKeepMetadata()) {
+            entity.resetMetadata();
+        }
+
+        if (!packet.isKeepAttributes()) {
+            entity.getAttributes().clear();
+            entity.setMaxHealth(GeyserAttributeType.MAX_HEALTH.getDefaultValue());
+            // Relying on the server to resend speed attribute
+        }
+
         session.setSpawned(false);
 
         entity.setHealth(entity.getMaxHealth());