public void Tick()
{
UInt64 resSize = 0;
var now = CEngine.Instance.EngineTime;
var it = SkeletonActions.GetEnumerator();
while (it.MoveNext())
{
var i = it.Current;
if (i.Value.ResourceState.KeepValid)
{
resSize += i.Value.ResourceState.ResourceSize;
continue;
}
switch (i.Value.ResourceState.StreamState)
{
case EStreamingState.SS_Valid:
{
if (now - i.Value.ResourceState.AccessTime > ForgetTime)
{
i.Value.ResourceState.StreamState = EStreamingState.SS_Killing;
i.Value.InvalidateResource();
i.Value.ResourceState.StreamState = EStreamingState.SS_Invalid;
}
else
{
resSize += i.Value.ResourceState.ResourceSize;
}
}
break;
case EStreamingState.SS_Invalid:
{
//mesh和texture不一样，texture在c++做的updateAccessTime，所以需要检测
//但是mesh应该不可能走这里，因为c#内走的PreUse会自动标志状态，而不是只更新时间戳
//留下这样的代码就是一种检测而已
if (now - i.Value.ResourceState.AccessTime < ActiveTime)
{
Profiler.Log.WriteLine(Profiler.ELogTag.Error, "Mesh", $"Mesh AccesssTime updated,but StreamingState is invalid");
//说明销毁资源后，短期内又有人要用他
i.Value.ResourceState.StreamState = EStreamingState.SS_Pending;
lock (PendingActions)
{
PendingActions.Add(i.Value);
}
}
}
break;
}
}
it.Dispose();
TotalSize = resSize;
}
/// <summary>
/// Schedules the action to run on the main thread
/// </summary>
/// <param name="action"></param>
public static void RunOnMainThread(Action action)
{
if (IsApplicationQuit)
{
return;
}
//Make sure we are in the main thread
if (!IsMainThread)
{
lock (syncRoot)
{
PendingActions.Add(action);
}
}
else
{
action();
}
}