/// <summary>
/// 检测定时帧任务是否到达可执行
/// </summary>
private void CheckTimerFrameTask()
{
// 帧计数(会不会越界)
frameCounter += 1;
// 加入临时定时任务列表的定时任务 (这样做保证同帧不干扰下面遍历任务列表)
for (int tempIndex = 0; tempIndex < tmpTaskFrameTimeList.Count; tempIndex++)
{
taskFrameTimeList.Add(tmpTaskFrameTimeList[tempIndex]);
}
tmpTaskFrameTimeList.Clear();
// 遍历检测定时任务是否满足执行条件
for (int index = 0; index < taskFrameTimeList.Count; index++)
{
TimerFrameTask task = taskFrameTimeList[index];
if (frameCounter < task.destFrame)
{
continue;
}
else
{
Action callback = task.callback;
// 异常捕获，避免回调函数出错
try
{
if (callback != null)
{
callback();
}
}
catch (Exception e)
{
Debug.Log(e.Message);
}
// 任务循环只剩一次
if (task.loopCount == 1)
{
// 把结束任务不用的 taskid 缓存到 回收任务 id 列表中
recycleTaskIdList.Add(task.taskId);
taskFrameTimeList.RemoveAt(index);
index--;
}
else
{
// 不是无限循环，循环次数 -1
if (task.loopCount != 0)
{
task.loopCount -= 1;
}
// 目标时间更新一个 delay 时间
task.destFrame += task.delay;
}
}
}
}
/// <summary>
/// 删除指定任务
/// </summary>
/// <param name="taskId">任务id</param>
/// <returns>返回是否删除</returns>
public bool DeleteTimerFrameTask(int taskId)
{
bool exist = false;
for (int i = 0; i < taskFrameTimeList.Count; i++)
{
TimerFrameTask task = taskFrameTimeList[i];
if (task.taskId == taskId)
{
taskFrameTimeList.RemoveAt(i);
for (int j = 0; j < taskIdList.Count; j++)
{
if (taskIdList[j] == taskId)
{
taskIdList.RemoveAt(j);
break;
}
}
exist = true;
break;
}
}
// 从临时缓存任务列表中查找
if (exist == false)
{
for (int i = 0; i < tmpTaskFrameTimeList.Count; i++)
{
TimerFrameTask task = tmpTaskFrameTimeList[i];
if (task.taskId == taskId)
{
tmpTaskFrameTimeList.RemoveAt(i);
for (int j = 0; j < taskIdList.Count; j++)
{
if (taskIdList[j] == taskId)
{
taskIdList.RemoveAt(j);
break;
}
}
exist = true;
break;
}
}
}
return(exist);
}
/// <summary>
/// 添加定时帧任务
/// </summary>
/// <param name="callback">任务回调</param>
/// <param name="delay">延迟帧数</param>
/// <param name="loopCount">循环次数（0 为 无限循环）</param>
/// <returns>返回任务id</returns>
public int AddTimerFrameTask(Action callback, int delay, int loopCount = 1)
{
int tid = GetTaskId();
int destTime = frameCounter + delay;
TimerFrameTask timerTask = new TimerFrameTask(tid, callback, destTime, delay, loopCount);
// 添加新定时帧任务的时候，先添加到临时列表（避免同帧遍历任务列表时干扰遍历列表）
tmpTaskFrameTimeList.Add(timerTask);
// tid 添加到使用列表中
taskIdList.Add(tid);
return(tid);
}
/// <summary>
/// 替换存在的任务
/// </summary>
/// <param name="taskId">任务id</param>
/// <param name="callback">任务回调</param>
/// <param name="delay">延迟帧数</param>
/// <param name="loopCount">循环次数（0 为 无限循环）</param>
/// <returns>返回是否替换成功</returns>
public bool ReplaceTimerFrameTask(int taskId, Action callback, int delay, int loopCount = 1)
{
int destTime = frameCounter + delay;
TimerFrameTask newTimerFrameTask = new TimerFrameTask(taskId, callback, destTime, delay, loopCount);
bool isReplace = false;
// 从任务列表中查找对应的 taskId 进行任务替换
for (int i = 0; i < taskFrameTimeList.Count; i++)
{
TimerFrameTask task = taskFrameTimeList[i];
if (task.taskId == taskId)
{
taskFrameTimeList[i] = newTimerFrameTask;
isReplace = true;
break;
}
}
// 从临时缓冲任务列表中替换
if (isReplace == false)
{
for (int i = 0; i < tmpTaskFrameTimeList.Count; i++)
{
TimerFrameTask task = tmpTaskFrameTimeList[i];
if (task.taskId == taskId)
{
tmpTaskFrameTimeList[i] = newTimerFrameTask;
isReplace = true;
break;
}
}
}
return(isReplace);
}
