/// <summary>
/// This method tries to change the state the FSM is in based on
/// the current state and the transition passed. If current state
/// doesn't have a target state for the transition passed,
/// an ERROR message is printed.
/// </summary>
public void PerformTransition(Transition trans, bool ifGlobal)
{
// Check for NullTransition before changing the current state
if (trans == Transition.NullTransition)
{
return;
}
// Check if the currentState has the transition passed as argument
StateID id;
if (!ifGlobal)
{
id = CurrentState.GetOutputState(trans);
}
else
{
id = GlobalState.GetOutputState(trans);
}
if (id == StateID.NullStateID)
{
Debug.LogError("FSM ERROR: State " + CurrentStateID.ToString() + " does not have a target state " +
" for transition " + trans.ToString());
return;
}
// Update the currentStateID and currentState
CurrentStateID = id;
foreach (FSMState <T> state in states)
{
if (state.ID == CurrentStateID)
{
// Do the post processing of the state before setting the new one
CurrentState.DoBeforeLeaving();
CurrentState = state;
// Reset the state to its desired condition before it can reason or act
CurrentState.DoBeforeEntering();
break;
}
}
} // PerformTransition()
public void ResetToDefaultState()
{
CurrentState = states[0];
CurrentStateID = states[0].ID;
CurrentState.DoBeforeEntering();
}