public bool unloadOnDemandAudioForSoundMarkerIfAllowed(SoundMarker marker, SoundFile soundFile) {
if (!onDemandIsActive) { return false; }
Debug.LogWarning("ON-DEMAND should NOT be Loaded: " + soundFile.filename, this);
// FIRST - make sure no other SoundMarkers are using the SoundFile
IEnumerable<SoundMarker> otherMarkersUsingSoundFile = layoutManager.SoundMarkersUsingSoundFileID(
soundFile.filename,
hotspotIDToExclude: marker.hotspot.id);
foreach (SoundMarker otherMarker in otherMarkersUsingSoundFile) {
if (otherMarker.onDemandAudioShouldBeLoaded) { return false; }
}
// UNLOAD Synced Marker friends if none of them need to be loaded
IEnumerable<SoundMarker> syncedMarkers = layoutManager.layout.getSynchronisedMarkers(marker.hotspot.id);
Debug.LogError("unloadOnDemandAudioForSoundMarkerIsPossible: " + marker.gameObject.name);
if (syncedMarkers == null || !atLeastOneSyncedMarkerClipShouldBeLoaded(syncedMarkers)) {
Debug.LogError (" UNLOAD ON DEMAND!");
// We should UNLOAD this AudioClip...
layoutManager.UnloadSoundMarkerAndSyncedClips(marker, syncedMarkers);
canvasControl.editSoundOverlay.refreshDebugText();
return true;
}
return false;
}
private void performMarkerProximityChecks()
{
// TODO:
foreach (SoundMarker sm in MainController.soundMarkers)
{
// Sounds that have an infinte range (indicated by a negative maxDistance) can be ignored
if (sm.hotspot.hasInfiniteMaxDistance)
{
continue;
}
SoundFile sf;
if (!_layoutManager.soundDictionary.TryGetValue(sm.hotspot.soundID, out sf))
{
continue;
}
if (sf.isDefaultSoundFile)
{
continue;
} // Skip the default soundFile
float distToMaxRadius = Vector2.Distance(
new Vector2(_camTransform.position.x, _camTransform.position.z),
new Vector2(sm.transform.position.x, sm.transform.position.z)
) - sm.soundMaxDist;
if (sf.loadState == LoadState.Success && distToMaxRadius > _unloadDistance)
{
IEnumerable <SoundMarker> syncedMarkers = _layoutManager.layout.getSynchronisedMarkers(sm.hotspot.id);
if (!atLeastOneSyncedMarkerShouldBeLoaded(syncedMarkers))
{
// We should UNLOAD this AudioClip...
_layoutManager.UnloadSoundMarkerAndSyncedClips(sm, syncedMarkers);
}
}
if (sf.loadState != LoadState.Success && distToMaxRadius < _loadDistance)
{
// We should LOAD this AudioClip...
_layoutManager.LoadSoundMarkerAndSyncedClips(sm, completion:
(HashSet <SoundMarker> loadedMarkers) => {
// TODO: Should we stop playing and start playing all clips?
foreach (var loadedMarker in loadedMarkers)
{
loadedMarker.PlayAudioFromBeginning(ignoreTrigger: true);
}
});
}
}
}