/// <summary>
/// 扔到协程中执行
/// </summary>
/// <param name="c">协程函数</param>
/// <param name="owner">如果指明了owner，那么当owner=null时协程将自动被回收不予执行</param>
/// <param name="f">如果指明了f，那么当有异常时会自动调用f来进行收尾工作，相对于try块的finally语句</param>
/// <returns></returns>
public static YCCoroutine DispatchService(IEnumerator c,
GameObject owner = null, CoroutineErrorCallback f = null)
{
YCContext ycc = new YCContext(c, owner);
// 立刻先执行一把
try {
ycc.Step();
} catch (System.Exception e) {
// 有报错，需要进行收尾操作，并摘除掉
ycc.Error();
UnityEngine.Debug.LogError(e);
return(null);
}
if (ycc.IsFinished())
// 立刻就执行完毕了，就不要加到队列中
{
return(null);
}
// 加到队列中继续执行
queue.Add(ycc);
return(new YCCoroutine(ycc, owner, f));
}
public YCCoroutine(YCContext c, GameObject owner, CoroutineErrorCallback f)
{
this.context = c;
this.owner = owner;
this.hasOwner = (owner != null);
this.f = f;
}
/// <summary>
/// 线程调度，每一帧执行一次
/// </summary>
public static int Update()
{
for (int i = 0; i < queue.Count; i++)
{
YCContext c = queue[i];
try {
if (!c.IsFinished())
{
c.Step();
}
} catch (System.Exception e) {
// 有报错，需要进行收尾操作，并摘除掉
c.Error();
queue.RemoveAt(i);
i--;
UnityEngine.Debug.LogError(e);
}
if (c.IsFinished())
{
// 调度完毕，摘除掉
queue.RemoveAt(i);
i--;
}
}
return(1);
}