protected bool EnQueue(BaseAction _action)
{
if (actionsQueue.Count <= 0)
{
actionsQueue.Add(_action);
_action.OnExit = OnActionExit;
return(true);
}
//确认队列内是否已经包含该动作
for (int i = actionsQueue.Count - 1; i >= 0; i--)
{
BaseAction act = actionsQueue[i];
if (act != null && act.actionType == _action.actionType)
{
return(false);
}
}
//删除优先级较小的
for (int i = actionsQueue.Count - 1; i >= 0; i--)
{
BaseAction act = actionsQueue[i];
if (act == null || act.Priority <= _action.Priority)
{
actionsQueue.RemoveAt(i);
if (act != null && act.running)
{
act.OnExit = null;
act.Exit();
}
}
}
actionsQueue.Add(_action);
_action.OnExit = OnActionExit;
return(true);
}