public void ChangeState(FSMTransition stateTransition) {
Enum nextStateId = stateTransition.NextStateId;
FSMState prevState = CurrentState;
if(nextStateId == null) {
CurrentState = _stateStack.Pop();
} else {
FSMState nextState = GetState(nextStateId);
if(nextState == null)
throw new Exception("State " + nextStateId.ToString() + " has not been defined.");
if(stateTransition.PushCurrentState)
_stateStack.Push(CurrentState);
CurrentState = nextState;
CurrentState.InitState(stateTransition);
}
Debug.Log("Changed state to: " + CurrentState.StateId.ToString());
CurrentState.EnterState(stateTransition);
if(prevState != null && !stateTransition.PushCurrentState)
prevState.Dispose();
}