// Every frame check for callbacks & perform any found
private System.Collections.IEnumerator PerformMainThreadCallbacks()
{
// While checking, continue
while (HasMainThreadCallbacks())
{
// Wait for frame
if (Application.isPlaying && !Application.isBatchMode)
{
yield return(new WaitForEndOfFrame());
}
// Wait for a tick
else
{
yield return(null);
}
// Perform if possible
while (_mainThreadCallbacks.Count > 0 && _mainThreadCallbacks.TryDequeue(out var result))
{
result();
}
}
// Done performing
_performer = null;
}
// Iterate phrases
private static void IteratePhrases(TTSService service, TTSPreloadData preloadData, TTSPreloadIterateDelegate onIterate, Action <float> onProgress, Action <string> onComplete)
{
// No service
if (service == null)
{
onComplete?.Invoke("\nNo TTSService found in current scene");
return;
}
// No preload data
if (preloadData == null)
{
onComplete?.Invoke("\nTTS Preload Data Not Found");
return;
}
// Ignore if running
if (Application.isPlaying)
{
onComplete?.Invoke("Cannot preload while running");
return;
}
// Unload previous coroutine performer
if (_performer != null)
{
MonoBehaviour.DestroyImmediate(_performer.gameObject);
_performer = null;
}
// Run new coroutine
_performer = CoroutineUtility.StartCoroutine(PerformIteratePhrases(service, preloadData, onIterate, onProgress, onComplete));
}
// While active, perform any sent callbacks
private void WatchMainThreadCallbacks()
{
// Ifnore if already performing
if (_performer != null)
{
return;
}
// Check callbacks every frame (editor or runtime)
_performer = CoroutineUtility.StartCoroutine(PerformMainThreadCallbacks());
}
// Request setup
public virtual void Setup(UnityWebRequest newRequest, Action <float> newProgress, Action <UnityWebRequest> newComplete)
{
// Already setup
if (_request != null)
{
return;
}
// Setup
_request = newRequest;
_onProgress = newProgress;
_onComplete = newComplete;
_transmitting = false;
_progress = 0f;
// Use default timeout
if (newRequest.timeout <= 0)
{
newRequest.timeout = Timeout;
}
// Begin
_coroutine = CoroutineUtility.StartCoroutine(PerformUpdate());
}