/// <summary>
/// Start playing an AudioEvent
/// </summary>
/// <param name="eventToPlay">The AudioEvent to play</param>
/// <param name="emitter">The AudioSource component to play the event on</param>
/// <returns>The reference for the runtime event that can be modified or stopped explicitly</returns>
public static ActiveEvent PlayEvent(AudioEvent eventToPlay, AudioSource emitter)
{
ValidateManager();
if (eventToPlay.InstanceLimit > 0 && CountActiveInstances(eventToPlay) >= eventToPlay.InstanceLimit)
{
Debug.LogFormat("AudioManager: Instance limit reached for {0}.", eventToPlay.name);
return(null);
}
if (eventToPlay.Group != 0)
{
StopGroupInstances(eventToPlay.Group);
}
ActiveEvent tempEvent = new ActiveEvent(eventToPlay, emitter);
eventToPlay.SetActiveEventProperties(tempEvent);
ActiveEvents.Add(tempEvent);
if (AvailableSources.Contains(emitter))
{
//Debug.LogFormat("Removing available source {0}", emitter.GetInstanceID());
AvailableSources.Remove(emitter);
}
return(tempEvent);
}
/// <summary>
/// Select an event to display in the graph
/// </summary>
/// <param name="selection">The audio event to select and display in the graph</param>
private void SelectEvent(AudioEvent selection)
{
this.selectedEvent = selection;
Rect output = this.selectedEvent.Output.NodeRect;
this.panX = -output.x + (this.position.width - output.width - 20);
this.panY = -output.y + (this.position.height / 2);
}
public static void StopAll(AudioEvent eventsToStop)
{
for (int i = 0; i < ActiveEvents.Count; i++)
{
ActiveEvent tempEvent = ActiveEvents[i];
if (tempEvent.rootEvent == eventsToStop)
{
tempEvent.Stop();
}
}
}
/// <summary>
/// Constructor: Create a new ActiveEvent from an AudioEvent and play it on an AudioSource
/// </summary>
/// <param name="eventToPlay">The AudioEvent to play</param>
/// <param name="source">The AudioSource use for the AudioEvent</param>
public ActiveEvent(AudioEvent eventToPlay, AudioSource source)
{
this.rootEvent = eventToPlay;
this.source = source;
this.Soloed = false;
this.Muted = false;
this.activeParameters = new ActiveParameter[this.rootEvent.Parameters.Count];
for (int i = 0; i < this.activeParameters.Length; i++)
{
this.activeParameters[i] = new ActiveParameter(this.rootEvent.Parameters[i]);
}
}
/// <summary>
/// EDITOR: Create a new event and add it to the array of events in the bank
/// </summary>
/// <param name="outputPos">The position of the Output node</param>
/// <returns></returns>
public AudioEvent AddEvent(Vector2 outputPos)
{
AudioEvent newEvent = ScriptableObject.CreateInstance <AudioEvent>();
newEvent.name = "New Audio Event";
AssetDatabase.AddObjectToAsset(newEvent, this);
newEvent.InitializeEvent(outputPos);
this.audioEvents.Add(newEvent);
EditorUtility.SetDirty(this);
AssetDatabase.SaveAssets();
return(newEvent);
}
/// <summary>
/// Get the number of active instances of an AudioEvent
/// </summary>
/// <param name="audioEvent">The event to query the number of active instances of</param>
/// <returns>The number of active instances of the specified AudioEvent</returns>
private static int CountActiveInstances(AudioEvent audioEvent)
{
int tempCount = 0;
for (int i = 0; i < ActiveEvents.Count; i++)
{
if (ActiveEvents[i].rootEvent == audioEvent)
{
tempCount++;
}
}
return(tempCount);
}
/// <summary>
/// Display the properties of the specified AudioEvent
/// </summary>
/// <param name="audioEvent">The event to display the properties for</param>
private void DrawEventProperties(AudioEvent audioEvent)
{
GUILayout.BeginArea(this.eventPropertyRect);
this.eventPropertiesScrollPosition = EditorGUILayout.BeginScrollView(this.eventPropertiesScrollPosition);
audioEvent.name = EditorGUILayout.TextField("Event Name", audioEvent.name);
audioEvent.InstanceLimit = EditorGUILayout.IntField("Instance limit", audioEvent.InstanceLimit);
audioEvent.FadeIn = EditorGUILayout.FloatField("Fade In", audioEvent.FadeIn);
audioEvent.FadeOut = EditorGUILayout.FloatField("Fade Out", audioEvent.FadeOut);
audioEvent.Group = EditorGUILayout.IntField("Group", audioEvent.Group);
audioEvent.DrawParameters();
EditorGUILayout.EndScrollView();
GUILayout.EndArea();
}
private void SetBatchProperties(AudioEvent batchEvent)
{
AudioOutput op = batchEvent.Output;
if (this.batchSetBus)
{
op.mixerGroup = this.batchBus;
}
if (this.batchSetMinVol)
{
op.MinVolume = this.batchMinVol;
}
if (this.batchSetMaxVol)
{
op.MaxVolume = this.batchMaxVol;
}
if (this.batchSetMinPitch)
{
op.MinPitch = this.batchMinPitch;
}
if (this.batchSetMaxPitch)
{
op.MaxPitch = this.batchMaxPitch;
}
if (this.batchSetLoop)
{
op.loop = this.batchLoop;
}
if (this.batchSetSpatialBlend)
{
op.spatialBlend = this.batchSpatialBlend;
}
if (this.batchSetHRTF)
{
op.HRTF = this.batchHRTF;
}
if (this.batchSetMaxDistance)
{
op.MaxDistance = this.batchMaxDistance;
}
if (this.batchSetAttenuation)
{
op.attenuationCurve = this.batchAttenuation;
}
if (this.batchSetDoppler)
{
op.dopplerLevel = this.batchDoppler;
}
}
/// <summary>
/// Start playing an AudioEvent
/// </summary>
/// <param name="eventToPlay">The AudioEvent to play</param>
/// <param name="emitterObject">The GameObject to play the event on</param>
/// <returns>The reference for the runtime event that can be modified or stopped explicitly</returns>
public static ActiveEvent PlayEvent(AudioEvent eventToPlay, GameObject emitterObject)
{
if (eventToPlay == null)
{
return(null);
}
ValidateManager();
if (eventToPlay.InstanceLimit > 0 && CountActiveInstances(eventToPlay) >= eventToPlay.InstanceLimit)
{
//Debug.LogFormat("AudioManager: Instance limit reached for {0}.", eventToPlay.name);
return(null);
}
if (eventToPlay.Group != 0)
{
StopGroupInstances(eventToPlay.Group);
}
AudioSource tempSource = GetUnusedSource(emitterObject);
if (tempSource == null)
{
tempSource = emitterObject.AddComponent <AudioSource>();
tempSource.playOnAwake = false;
}
else
{
AvailableSources.Remove(tempSource);
}
ActiveEvent tempEvent = new ActiveEvent(eventToPlay, tempSource);
tempEvent.Play();
if (AvailableSources.Contains(tempSource))
{
AvailableSources.Remove(tempSource);
}
if (tempEvent.clip != null)
{
ActiveEvents.Add(tempEvent);
}
return(tempEvent);
}
/// <summary>
/// Display the list of buttons to select an event
/// </summary>
private void DrawEventList()
{
this.eventListRect.height = this.position.height;
GUILayout.BeginArea(this.eventListRect);
this.eventListScrollPosition = EditorGUILayout.BeginScrollView(this.eventListScrollPosition);
this.audioBank = EditorGUILayout.ObjectField(this.audioBank, typeof(AudioBank), false) as AudioBank;
if (this.audioBank == null)
{
EditorGUILayout.EndScrollView();
GUILayout.EndArea();
return;
}
if (this.audioBank.EditorEvents != null)
{
for (int i = 0; i < this.audioBank.EditorEvents.Count; i++)
{
AudioEvent tempEvent = this.audioBank.EditorEvents[i];
if (tempEvent == null)
{
continue;
}
if (this.selectedEvent == tempEvent)
{
GUI.color = Color.white;
}
else
{
GUI.color = this.unselectedButton;
}
if (GUILayout.Button(tempEvent.name))
{
SelectEvent(tempEvent);
}
GUI.color = Color.white;
}
}
EditorGUILayout.EndScrollView();
GUILayout.EndArea();
}
/// <summary>
/// Add an AudioEvent to the bank for each clip from the list
/// </summary>
/// <param name="clips">The list of AudioClips to add</param>
private void AddEvents(List <AudioClip> clips)
{
for (int i = 0; i < clips.Count; i++)
{
AudioEvent newEvent = this.audioBank.AddEvent(new Vector2(CANVAS_SIZE / 2, CANVAS_SIZE / 2));
Vector3 position = newEvent.Output.NodeRect.position;
position.x -= HORIZONTAL_NODE_OFFSET;
AudioFile tempNode = ScriptableObject.CreateInstance <AudioFile>();
AssetDatabase.AddObjectToAsset(tempNode, newEvent);
tempNode.InitializeNode(position);
tempNode.File = clips[i];
newEvent.AddNode(tempNode);
newEvent.name = clips[i].name;
newEvent.Output.Input.AddConnection(tempNode.Output);
}
EditorUtility.SetDirty(this.audioBank);
}
/// <summary>
/// Display the nodes for an AuidoEvent on the graph
/// </summary>
/// <param name="audioEvent">The audio event to display the nodes for</param>
private void DrawEventNodes(AudioEvent audioEvent)
{
if (audioEvent == null)
{
return;
}
if (audioEvent.EditorNodes == null)
{
return;
}
GUI.BeginGroup(new Rect(this.panX, this.panY, CANVAS_SIZE, CANVAS_SIZE));
BeginWindows();
for (int i = 0; i < audioEvent.EditorNodes.Count; i++)
{
AudioNode currentNode = audioEvent.EditorNodes[i];
currentNode.DrawNode(i);
}
EndWindows();
GUI.EndGroup();
}
/// <summary>
/// Create a new event and select it in the graph
/// </summary>
private void AddEvent()
{
AudioEvent newEvent = this.audioBank.AddEvent(new Vector2(CANVAS_SIZE / 2, CANVAS_SIZE / 2));
SelectEvent(newEvent);
}
/// <summary>
/// Destroy an event object and remove it from the array of events
/// </summary>
/// <param name="eventToDelete"></param>
public void DeleteEvent(AudioEvent eventToDelete)
{
eventToDelete.DeleteNodes();
this.audioEvents.Remove(eventToDelete);
ScriptableObject.DestroyImmediate(eventToDelete, true);
}