private void TryExecuteTask(PriorityTaskBase task)
{
try
{
using (Profiler.CurrentProfiler.Begin("Running Task"))
{
task.Run();
}
}
catch (Exception e)
{
// ignored
Debug.Write(e);
}
}
protected void QueueTask(PriorityTaskBase task)
{
try
{
task.UpdatePriority(_lastPlayerPosition);
lock (_tasks)
{
_tasks[(int)task.PriorityClass].Add(task);
_awaitTasks.Set();
}
}
catch (Exception e)
{
Debug.WriteLine("Oops! " + e);
}
}
private IEnumerable <PriorityTaskBase> GetNextTask()
{
while (true)
{
PriorityTaskBase task = null;
using (Profiler.CurrentProfiler.Begin("Awaiting Tasks"))
{
try
{
_awaitTasks.WaitOne();
lock (_tasks)
{
for (int i = 0; i < _tasks.Length; i++)
{
var list = _tasks[i];
if (list.Count > 0)
{
int minIndex = -1;
int minPriority = -1;
for (int j = 0; j < list.Count; j++)
{
var t = list[j];
int p = t.Priority;
if (p < minPriority || task == null)
{
minIndex = j;
task = t;
minPriority = p;
}
}
if (task != null)
{
if (minIndex != list.Count - 1)
{
list[minIndex] = list[list.Count - 1];
}
list.RemoveAt(list.Count - 1);
break;
}
}
}
if (_tasks.Sum(t => t.Count) > 0)
{
_awaitTasks.Set();
}
}
}
catch (ObjectDisposedException)
{
yield break;
}
catch (AbandonedMutexException)
{
yield break;
}
}
if (task != null)
{
yield return(task);
}
}
}