onUserExitBattle method
Implementation
void onUserExitBattle(String battleId, TUIBattleUser battleUser) {
if (battleState.battleUsers.value.length == 2) {
return;
}
if (battleState.battleUsers.value
.any((user) => user.userId == battleUser.userId)) {
final newBattleUsers = battleState.battleUsers.value.toList();
newBattleUsers.removeWhere((user) => user.userId == battleUser.userId);
battleState.battleUsers.value = newBattleUsers;
}
_sortedBattleUsersByScore(battleState.battleUsers.value);
}