public bool SetCurrentState <T>(Transition transition = null) where T : CharacterMachineState
{
Type type = typeof(T);
if (type.IsAbstract)
{
Debug.LogError($"{Character}的状态机尝试设置一个抽象状态：{type.Name}");
return(false);
}
if (!stateMap.TryGetValue(type, out var state))
{
state = (T)Activator.CreateInstance(type, this);
stateMap.Add(type, state);
}
if (CurrentState != null && !CurrentState.CanTransitTo <T>(transition))
{
#if DEBUG
Debug.Log($"{Character} 无法从 {CurrentState.GetType().Name} 状态进入 {type.Name} 状态，过渡条件：{ZetanUtility.SerializeObject(transition, false)}");
#endif
return(false);
}
var prev = CurrentState;
prev?.Exit();
CurrentState = state;
CurrentState?.Enter();
OnStateChanged?.Invoke(prev, CurrentState);
#if false
if (prev != null)
{
Debug.Log($"{Character} 从 {prev.GetType().Name} 状态进入 {type.Name} 状态");
}
else
{
Debug.Log($"{Character} 进入 {type.Name} 状态");
}
#endif
return(true);
}