protected static IEnumerator CoroutinesRunner(ThreadSafeQueue <PausableTask> newTaskRoutines,
FasterList <PausableTask> coroutines, FlushingOperation flushingOperation, RunningTasksInfo info,
FlushTasksDel flushTaskDel, RunnerBehaviour runnerBehaviourForUnityCoroutine = null)
{
while (true)
{
if (flushingOperation.waitForflush == false) //don't start anything while flushing
{
flushTaskDel(newTaskRoutines, coroutines, flushingOperation);
}
info.count = coroutines.Count;
for (int i = 0; i < info.count; i++)
{
var enumerator = coroutines[i];
try
{
//let's spend few words about this. Special YieldInstruction can be only processed internally
//by Unity. The simplest way to handle them is to hand them to Unity itself.
//However while the Unity routine is processed, the rest of the coroutine is waiting for it.
//This would defeat the purpose of the parallel procedures. For this reason, the Parallel
//routines will mark the enumerator returned as ParallelYield which will change the way the routine is processed.
//in this case the MonoRunner won't wait for the Unity routine to continue processing the next tasks.
var current = enumerator.Current;
PausableTask enumeratorToHandle = null;
var yield = current as ParallelYield;
if (yield != null)
{
current = yield.Current;
}
else
{
enumeratorToHandle = enumerator;
}
if (runnerBehaviourForUnityCoroutine != null)
{
if (current is YieldInstruction || current is AsyncOperation)
{
runnerBehaviourForUnityCoroutine.StartCoroutine(HandItToUnity(current, enumeratorToHandle, newTaskRoutines, flushingOperation));
if (enumeratorToHandle != null)
{
coroutines.UnorderredRemoveAt(i--);
info.count = coroutines.Count;
continue;
}
}
}
bool result;
#if TASKS_PROFILER_ENABLED && UNITY_EDITOR
result = Tasks.Profiler.TaskProfiler.MonitorUpdateDuration(enumerator);
#else
result = enumerator.MoveNext();
#endif
if (result == false)
{
var disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
coroutines.UnorderredRemoveAt(i--);
}
}
catch (Exception e)
{
string message = "Coroutine Exception: ";
Utility.Console.LogException(new CoroutineException(message, e));
coroutines.UnorderredRemoveAt(i--);
}
info.count = coroutines.Count;
}
if (flushingOperation.waitForflush == true && coroutines.Count == 0)
{ //this process is more complex than I like, not 100% sure it covers all the cases yet
flushingOperation.waitForflush = false;
flushingOperation.stopped = false;
}
yield return(null);
}
}
static IEnumerator HandItToUnity(object current, PausableTask task, ThreadSafeQueue <PausableTask> newTaskRoutines, FlushingOperation flushingOperation)
{
yield return(current);
InternalThreadUnsafeStartCoroutine(task, newTaskRoutines, flushingOperation);
}
internal static IEnumerator Process(
ThreadSafeQueue <IPausableTask> newTaskRoutines,
FasterList <IPausableTask> coroutines,
FlushingOperation flushingOperation,
RunningTasksInfo info,
FlushTasksDel flushTaskDel,
RunnerBehaviour runnerBehaviourForUnityCoroutine,
Action <IPausableTask>
resumeOperation)
{
while (true)
{
if (false == flushingOperation.stopped) //don't start anything while flushing
{
flushTaskDel(newTaskRoutines, coroutines, flushingOperation);
}
else
if (runnerBehaviourForUnityCoroutine != null)
{
runnerBehaviourForUnityCoroutine.StopAllCoroutines();
}
info.count = coroutines.Count;
for (var i = 0; i < info.count; i++)
{
var pausableTask = coroutines[i];
//let's spend few words on this.
//yielded YieldInstruction and AsyncOperation can
//only be processed internally by Unity.
//The simplest way to handle them is to hand them to Unity itself.
//However while the Unity routine is processed, the rest of the
//coroutine is waiting for it. This would defeat the purpose
//of the parallel procedures. For this reason, a Parallel
//task will mark the enumerator returned as ParallelYield which
//will change the way the routine is processed.
//in this case the MonoRunner won't wait for the Unity routine
//to continue processing the next tasks.
//Note that it is much better to return wrap AsyncOperation around
//custom IEnumerator classes then returning them directly as
//most of the time they don't need to be handled by Unity as
//YieldInstructions do
///
/// Handle special Unity instructions
/// you should avoid them or wrap them
/// around custom IEnumerator to avoid
/// the cost of two allocations per instruction
///
if (runnerBehaviourForUnityCoroutine != null &&
flushingOperation.stopped == false)
{
var current = pausableTask.Current;
if (current is YieldInstruction)
{
var handItToUnity = new HandItToUnity
(current, pausableTask, resumeOperation, flushingOperation);
//remove the special instruction. it will
//be added back once Unity completes.
coroutines.UnorderedRemoveAt(i--);
info.count = coroutines.Count;
var coroutine = runnerBehaviourForUnityCoroutine.StartCoroutine
(handItToUnity.GetEnumerator());
(pausableTask as PausableTask).onExplicitlyStopped = () =>
{
runnerBehaviourForUnityCoroutine.StopCoroutine(coroutine);
handItToUnity.ForceStop();
};
continue;
}
var parallelTask = (current as ParallelTaskCollection.ParallelTask);
if (parallelTask != null &&
parallelTask.current is YieldInstruction)
{
var handItToUnity = new HandItToUnity(parallelTask.current);
parallelTask.Add(handItToUnity.WaitUntilIsDone());
var coroutine = runnerBehaviourForUnityCoroutine.StartCoroutine
(handItToUnity.GetEnumerator());
(pausableTask as PausableTask).onExplicitlyStopped = () =>
{
runnerBehaviourForUnityCoroutine.StopCoroutine(coroutine);
handItToUnity.ForceStop();
};
}
}
bool result;
#if TASKS_PROFILER_ENABLED && UNITY_EDITOR
result = TASK_PROFILER.MonitorUpdateDuration(pausableTask, info.runnerName);
#else
result = pausableTask.MoveNext();
#endif
if (result == false)
{
var disposable = pausableTask as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
coroutines.UnorderedRemoveAt(i--);
}
info.count = coroutines.Count;
}
if (flushingOperation.stopped == true && coroutines.Count == 0)
{ //once all the coroutines are flushed
//the loop can return accepting new tasks
flushingOperation.stopped = false;
}
yield return(null);
}
}