public override void UpdateCallback(float deltaTime)
{
//检测是否正在过渡
if (_isTransition)
{
if (_t.TransitionCallback())
{
DoTransition(_t);
_isTransition = false;
}
return;
}
base.UpdateCallback(deltaTime);
if (_currentState == null)
{
_currentState = _defaultState;
}
List <ITransition> ts = _currentState.Transitions;
int count = ts.Count;
for (int i = 0; i < count; i++)
{
ITransition t = ts[i];
if (t.ShouldBegin())
{
_isTransition = true;
_t = t;
return;
}
}
_currentState.UpdateCallback(deltaTime);
}
/// <summary>
/// 重写 由SUNState 中继承来的UpdateCallback方法,从而加入每帧判断是否满足过度条件的逻辑
/// </summary>
/// <param name="deltaTime">Delta time.</param>
public override void UpdateCallback(float deltaTime)
{
if (_isTransition)
{
if (_t.TransitionCallback())
{
DoTransition(_t);
_isTransition = false;
}
//如果处于过度状态,不应该执行以下任何的操作
return;
}
//如果没有处在过度状态
base.UpdateCallback(deltaTime);
if (_currentState == null)
{
_currentState = _defaultState;
}
//检测每个状态是否满足转换条件如果满足的话,替换当前状态
List <ITransition> ts = _currentState.Transitions;
int count = ts.Count;
for (int i = 0; i < count; i++)
{
ITransition t = ts [i];
if (t.ShouldBegin())
{
_isTransition = true;
//这里就不能直接过度到目标状态了
//DoTransition (t);
_t = t;
return;
}
}
//让当前状态每帧更新
_currentState.UpdateCallback(deltaTime);
}