/// <summary>
/// 执行状态变换
/// </summary>
public void PerformTransition(StateTriggerType trigger)
{
// Check for NullTransition before changing the current state
if (trigger == StateTriggerType.NullTransition)
{
Debug.LogError("FSM ERROR: NullTransition is not allowed for a real transition");
return;
}
// Check if the currentState has the transition passed as argument
var type = CurrentState.GetStateType(trigger);
if (type == StateType.NullState)
{
Debug.LogErrorFormat("FSM ERROR: State {0} does not have a target state {1} for transition ",
CurrentStateType.ToString(),
trigger.ToString());
return;
}
#if UNITY_EDITOR
Debug.LogFormat("<color=cyan> State translate {0} >>> {1} .</color>", CurrentStateType.ToString(), type.ToString());
#endif
CurrentStateType = type;
if (states.ContainsKey(CurrentStateType))
{
var state = states[CurrentStateType];
CurrentState.BeforeLeaving();
CurrentState = state;
CurrentState.BeforeEntering();
}
}
public void AddTransition(StateTriggerType trans, StateType id)
{
// Check if anyone of the args is invalid
if (trans == StateTriggerType.NullTransition)
{
Debug.LogError("FSMState ERROR: NullTransition is not allowed for a real transition");
return;
}
if (id == StateType.NullState)
{
Debug.LogError("FSMState ERROR: NullStateID is not allowed for a real ID");
return;
}
// check if the current transition was already inside the map
if (map.ContainsKey(trans))
{
Debug.LogErrorFormat("FSMState ERROR: State {0} already has transition {1} Impossible to assign to another state",
StateType.ToString(),
trans.ToString());
return;
}
map.Add(trans, id);
}
public void DeleteTransition(StateTriggerType trans)
{
// Check for NullTransition
if (trans == StateTriggerType.NullTransition)
{
Debug.LogError("FSMState ERROR: NullTransition is not allowed");
return;
}
// Check if the pair is inside the map before deleting
if (map.ContainsKey(trans))
{
map.Remove(trans);
return;
}
Debug.LogErrorFormat("FSMState ERROR: Transition {0} passed to {1} was not on the state's transition list",
trans.ToString(),
StateType.ToString());
}