public void Undo()
{
// Undo is not supported for player units.
// We may want to consider splitting this command in two: Spawn initial unit / Spawn unit
if (_data.unitCommandData.UnitType == UnitType.Player)
{
_logger.Log(LoggedFeature.Replays, "Not undoing command since unit type is player.");
return;
}
// Despawn pets first.
// We need to directly run the command since these are children of the parent spawn unit command,
// and should never be ran as standalone
for (var i = 0; i < _data.unitCommandData.pets.Length; i++)
{
ICommand petSpawnCommand =
_commandFactory.Create(typeof(SpawnUnitCommand),
typeof(SpawnUnitData),
new SpawnUnitData(_data.unitCommandData.pets[i],
_data.tileCoords,
_data.isInitialSpawn));
petSpawnCommand.Undo();
}
// Now the unit itself.
IUnit unit = _unitRegistry.GetUnit(_data.unitCommandData.unitId);
_unitPool.Despawn(unit.UnitId);
_gridUnitManager.RemoveUnit(unit);
}
public IObservable <UniRx.Unit> Run()
{
_unit = _unitRegistry.GetUnit(_data.unitId);
if (_unit == null)
{
string errorMsg = $"Unit not found: {_data.unitId}";
_logger.LogError(LoggedFeature.Units, errorMsg);
return(Observable.Throw <UniRx.Unit>(new IndexOutOfRangeException(errorMsg)));
}
_tileCoords = _gridUnitManager.GetUnitCoords(_unit);
// Only despawn the unit. This does not remove pet units.
_logger.Log(LoggedFeature.Units, "Despawning: {0}", _unit.UnitId);
_unitPool.Despawn(_unit.UnitId);
_gridUnitManager.RemoveUnit(_unit);
return(Observable.ReturnUnit());
}