/// <summary>
/// Sets new state based off input transition
/// </summary>
/// <param name="trans">Transition to be set to given state</param>
public void SetTransition(FSMTransitions trans)
{
if (trans == FSMTransitions.none)
{
Debug.LogError("Null transition is not allowed");
return;
}
FSMStateID newID = currentState.CheckTransition(trans);
if (newID == FSMStateID.none)
{
Debug.LogError("There is no state bound to " + trans.ToString());
return;
}
foreach (var state in FSMStates)
{
if (newID == state.StateID)
{
Debug.Log("State changed to " + newID.ToString());
currentState.OnStateExit(playerTransform, gameObject);
currentState = state;
currentState.OnStateEnter(playerTransform, gameObject);
return;
}
}
Debug.LogError("Unidentified error with state transition");
}
/// <summary>
/// Checks if transition is avalable for use
/// </summary>
/// <param name="transition">Transition to be set</param>
/// <returns>Returns transition to be transitioned to if legal, otherwise returns current state</returns>
public FSMStateID CheckTransition(FSMTransitions transition)
{
if (transitions.ContainsKey(transition))
{
return(transitions[transition]);
}
else
{
Debug.LogError("Transition " + transition.ToString() + " is not present within allowed transitions for this state");
return(stateID);
}
}
/// <summary>
/// Modifies a transition of the state to transition to a different state
/// </summary>
/// <param name="transitionState">New state that is to be transitioned to when calling this transition</param>
/// <param name="trans">previously added transition that is to be modified</param>
/// <returns></returns>
public bool EditTransitionState(FSMStateID transitionState, FSMTransitions trans)
{
if (transitions.ContainsKey(trans))
{
transitions[trans] = transitionState;
Debug.Log("Transition " + trans.ToString() + " of state " + stateID.ToString() + " has been modified to transition to stateID " + transitionState.ToString());
return(true);
}
else
{
Debug.LogError("Current state " + stateID.ToString() + " does not contain transition " + trans.ToString() + ". Did you mean to use AddTransitionState()");
return(false);
}
}
/// <summary>
/// Removes transition state from legal transition states
/// </summary>
/// <param name="trans">Transition indented to be removed</param>
public void RemoveTransitionState(FSMTransitions trans)
{
if (trans == FSMTransitions.none)
{
Debug.LogError("Null Transition not allowed");
return;
}
if (transitions.ContainsKey(trans))
{
transitions.Remove(trans);
Debug.Log("Transition " + trans.ToString() + " has been removed as a transitionable state of " + stateID.ToString());
return;
}
Debug.LogError(trans.ToString() + " transition is not present within the transitionable states of " + stateID.ToString());
}
/// <summary>
/// Adds transition to given state after checking
/// </summary>
/// <param name="transitionState">State that is to be transitioned to with transition</param>
/// <param name="trans">transition selected to transition to above state</param>
public void AddTransitionState(FSMStateID transitionState, FSMTransitions trans)
{
if (transitionState == FSMStateID.none)
{
Debug.LogError("Null Transition not allowed");
return;
}
if (transitions.ContainsKey(trans))
{
Debug.LogError(trans.ToString() + " transition already listed as Transitionable");
return;
}
transitions.Add(trans, transitionState);
Debug.Log("Transition state " + transitionState.ToString() + " has been added as a transitionable state of " + stateID.ToString() + " using transition " + trans.ToString());
}
