public PowerUpState OneRewind()
{
// PowerUpState newState = _states[_states.Count - 1];
// _states.RemoveAt(_states.Count - 1);
// return newState;
ChangedFieldsCollection psd = _stateTransitions[_stateTransitions.Count - 1];
PowerUpState previousState = (PowerUpState)sd.CurrentState.RetrievePreviousState(psd);// PlayerState.SubtractFromPlayerState(new PlayerState(), psd);
//Debug.Log("previous state powerups " + previousState.NumOfPowerUps);//.Count);
sm.PutObjectInState(previousState);// new PlayerState(newState));
_stateTransitions.RemoveAt(_stateTransitions.Count - 1);
// _statesRemovedDuringRewinding++;
_numOfStates--; // _linePositions.RemoveAt(_linePositions.Count - 1);
// StatesChangedSoUpdateLineRenderer();
return(previousState);
// return -1; //minus one indicates that we haven't finished rewinding yet
}
public int Rewind()
{
//Debug.Log("inside rewind");
if (_stateTransitions.Count > 0)
{
ChangedFieldsCollection psd = _stateTransitions[_stateTransitions.Count - 1];
PlayerState previousState = (PlayerState)StateManager.CurrentState.PlayerState.RetrievePreviousState(psd);// PlayerState.SubtractFromPlayerState(new PlayerState(), psd);
//Debug.Log("previous state powerups " + previousState.NumOfPowerUps);//.Count);
PlayerController.Instance.PutPlayerInState(previousState);// new PlayerState(newState));
_stateTransitions.RemoveAt(_stateTransitions.Count - 1);
_statesRemovedDuringRewinding++;
_linePositions.RemoveAt(_linePositions.Count - 1);
StatesChangedSoUpdateLineRenderer();
return(-1); //minus one indicates that we haven't finished rewinding yet
}
else
{
//StopRewind();
return(_statesRemovedDuringRewinding);
}
}
public IState RetrievePreviousState(ChangedFieldsCollection cfc)
{//it doesn't affect the original object, it creates a clone
PowerUpState clone = new PowerUpState(this);
foreach (ChangedField cf in cfc.ChangedFields)
{
typeof(PowerUpState).GetField(cf.Name).SetValue(clone, cf.OldValue);
}
return(clone);
}
public ChangedFieldsCollection FindChangedFieldsComparedTo(IState statef)// PlayerState state)
{
ChangedFieldsCollection result = new ChangedFieldsCollection();
PowerUpState state = (PowerUpState)statef;
if (Collected != state.Collected)
{
result.AddChangedField(new ChangedField(Collected, "Collected", typeof(bool)));
}
return(result);
}
public ChangedFieldsCollection FindChangedFieldsComparedTo(IState statef)// PlayerState state)
{
ChangedFieldsCollection result = new ChangedFieldsCollection();
PlayerState state = (PlayerState)statef;
//todo: dynamically find fields
//var fieldNames = typeof(PlayerState).GetFields()
// .Select(field => field.Name)
// .ToList();
if (IsTrailCyan != state.IsTrailCyan)
{
result.AddChangedField(new ChangedField(IsTrailCyan, "IsTrailCyan", typeof(bool)));
}
if (PlayerColor != state.PlayerColor)
{
result.AddChangedField(new ChangedField(PlayerColor, "PlayerColor", typeof(PlayerColor)));
}
if (IsTrailInForeground != state.IsTrailInForeground)
{
result.AddChangedField(new ChangedField(IsTrailInForeground, "IsTrailInForeground", typeof(bool)));
}
if (Position != state.Position)
{
result.AddChangedField(new ChangedField(Position, "Position", typeof(Vector3)));
}
if (Velocity != state.Velocity)
{
result.AddChangedField(new ChangedField(Velocity, "Velocity", typeof(Vector3)));
}
if (HelperClass.AreTheyDifferent(CollectedPowerUpTypes, state.CollectedPowerUpTypes))
{
result.AddChangedField(new ChangedField(HelperClass.CloneTrick(CollectedPowerUpTypes), "CollectedPowerUpTypes", typeof(List <PowerUpType>)));
}
return(result);
}
public IState RetrievePreviousState(ChangedFieldsCollection cfc)
{//it doesn't affect the original object, it creates a clone
PlayerState clone = new PlayerState(this);
foreach (ChangedField cf in cfc.ChangedFields)
{
typeof(PlayerState).GetField(cf.Name).SetValue(clone, cf.OldValue);
/*
* switch (cf.ChangedFieldName)
* {
* case ChangedFieldName.Velocity:
* clone.Velocity = (Vector3)cf.OldValue;
* break;
* case ChangedFieldName.PowerUpTypes:
* clone.CollectedPowerUpTypes = HelperClass.CloneTrick((List<PowerUpType>)cf.OldValue);
* break;
* }*/
}
return(clone);
}
