Send attachments instantly before set_pos (#10235)

Author: SmallJoker

src/server.cpp

@@ -1821,6 +1821,9 @@ void Server::SendMovePlayer(session_t peer_id)
 	PlayerSAO *sao = player->getPlayerSAO();
 	assert(sao);
 
+	// Send attachment updates instantly to the client prior updating position
+	sao->sendOutdatedData();
+
 	NetworkPacket pkt(TOCLIENT_MOVE_PLAYER, sizeof(v3f) + sizeof(f32) * 2, peer_id);
 	pkt << sao->getBasePosition() << sao->getLookPitch() << sao->getRotation().Y;
 

src/server/luaentity_sao.cpp

@@ -492,6 +492,9 @@ void LuaEntitySAO::sendPosition(bool do_interpolate, bool is_movement_end)
 	if(isAttached())
 		return;
 
+	// Send attachment updates instantly to the client prior updating position
+	sendOutdatedData();
+
 	m_last_sent_move_precision = m_base_position.getDistanceFrom(
 			m_last_sent_position);
 	m_last_sent_position_timer = 0;