// Вкл\Выкл отдельных клавиш
native TogglePlayerControllableKey(playerid, controlkey, bool:toggle);

// Пример: блокировка клавиши KEY_SECONDARY_ATTACK (вход\выход из машины). Система запертых дверей как изнутри так и снаружи.
TogglePlayerControllableKey(playerid, KEY_SECONDARY_ATTACK, false);

// Пример: отключаем ракеты в гидре
public OnPlayerStateChange(playerid, newstate, oldstate) {
  if(newstate == PLAYER_STATE_DRIVER && GetVehicleModel(GetPlayerVehicleID(playerid)) == 520) {
   TogglePlayerControllableKey(playerid, KEY_FIRE, false); // VEHICLE_FIREWEAPON
   TogglePlayerControllableKey(playerid, KEY_ACTION, false); // VEHICLE_FIREWEAPON_ALT
  } else {
   TogglePlayerControllableKey(playerid, KEY_FIRE, true); // VEHICLE_FIREWEAPON
   TogglePlayerControllableKey(playerid, KEY_ACTION, true); // VEHICLE_FIREWEAPON_ALT
  }
  return 1;
}

// Пример: новый TogglePlayerControllableEx (без блокировки мыши)
stock TogglePlayerControllableEx(playerid, bool:toggle) {
  TogglePlayerControllableKey(playerid, KEY_UP,     toggle);
  TogglePlayerControllableKey(playerid, KEY_DOWN,    toggle);
  TogglePlayerControllableKey(playerid, KEY_LEFT,    toggle);
  TogglePlayerControllableKey(playerid, KEY_RIGHT,    toggle);
  TogglePlayerControllableKey(playerid, KEY_CROUCH,    toggle);
  TogglePlayerControllableKey(playerid, KEY_JUMP,    toggle);
  TogglePlayerControllableKey(playerid, KEY_FIRE,    toggle);
  TogglePlayerControllableKey(playerid, KEY_SECONDARY_ATTACK  toggle);
}