void Play(MusicZone zone)
{
if (debug)
{
Debug.Log("Attempting a play of " + zone.name);
}
if (currentTrackSource)
{
// Pause the currently playing audio source if it's playing a different track than the requested zone
if (zone.musicTrack != currentTrackSource.MyTrack)
{
currentTrackSource.Pause(CurrentTrackFadeOutTime());
}
}
TrackAudioSource newTrackAudioSource = null;
// If an audio source stack has already been built for the
// music track of this zone, just change zones on it.
if (trackSources.TryGetValue(zone.musicTrack, out newTrackAudioSource))
{
newTrackAudioSource.ChangeZones(zone, zone.fadeInTime);
newTrackAudioSource.Play(zone.fadeInTime);
currentTrackSource = newTrackAudioSource;
return;
}
// if we don't have an audio source stack for this track yet,
// build one and set it as the new current track
newTrackAudioSource = BuildNewTrackAudioSource(zone);
currentTrackSource = newTrackAudioSource;
}
public void BuildAudioSources(MusicZone newMusicZone, AudioMixerGroup mixerGroup)
{
musicZone = newMusicZone;
track = musicZone.musicTrack;
trackVolumes = trackVolumesOutput = newMusicZone.GenerateVolumes();
// Create an audio source for each layer
for (int i = 0; i < musicZone.layers.Count; i++)
{
var layer = musicZone.layers[i];
// instantiate a source
var newAudioSource = gameObject.AddComponent <AudioSource>();
newAudioSource.spatialBlend = 0;
newAudioSource.clip = layer.clip;
newAudioSource.loop = false;
newAudioSource.volume = 0;
newAudioSource.playOnAwake = false;
newAudioSource.outputAudioMixerGroup = mixerGroup;
sources.Add(newAudioSource);
}
Play(musicZone.fadeInTime);
}
void I_ExitZone(MusicZone zone)
{
if (activeZones.Remove(zone))
{
if (debug)
{
Debug.Log("Music zone " + zone + " was exited.");
}
RecalculatePriority();
}
}
void I_EnterZone(MusicZone zone)
{
if (activeZones.Add(zone))
{
if (debug)
{
Debug.Log("Music zone " + zone + " was newly entered.");
}
RecalculatePriority();
}
}
void Stop(MusicZone zone)
{
if (!currentTrackSource)
{
return;
}
if (currentTrackSource.musicZone != zone)
{
return;
}
currentTrackSource.Pause(CurrentTrackFadeOutTime());
}
TrackAudioSource BuildNewTrackAudioSource(MusicZone newZone)
{
GameObject newGO = new GameObject();
newGO.name = "track source: " + newZone.musicTrack.name;
newGO.transform.parent = transform;
newGO.transform.localPosition = Vector3.zero;
TrackAudioSource newTrack = newGO.AddComponent <TrackAudioSource>();
newTrack.BuildAudioSources(newZone, mixerGroup);
trackSources.Add(newZone.musicTrack, newTrack);
return(newTrack);
}
public void LoopTrack(MusicZone musicZone)
{
// remove the old one from the dictionary
var t = musicZone.musicTrack;
trackSources.Remove(t);
// re-create it
var newTrackSource = BuildNewTrackAudioSource(musicZone);
// if the looping track was the current playing, carryover that status
if (currentTrackSource.musicZone == musicZone)
{
currentTrackSource = newTrackSource;
}
}
/// <summary>
/// Change the music zone I'm playing for.
/// This ONLY supports swapping between zones that share the same track!
/// </summary>
public void ChangeZones(MusicZone newMusicZone, float newFadeTime = 1)
{
if (newMusicZone == musicZone)
{
return;
}
string oldName = musicZone ? musicZone.name : "null";
Debug.Log("Track " + MyTrack.name + " is changing zones from " + oldName + " to " + newMusicZone.name);
if (newMusicZone.musicTrack != MyTrack)
{
Debug.LogError(name + " trying to change music zones, but the current and new zones don't " +
"have the same tracks.", gameObject);
return;
}
musicZone = newMusicZone;
trackVolumes = newMusicZone.GenerateVolumes();
fadeInTime = newFadeTime;
}
public static void ExitZone(MusicZone zone)
{
GuaranteeInstance();
instance.I_ExitZone(zone);
}
