/// <summary>
/// Removes the specified AudioStackItem from the AudioStack.
/// </summary>
/// <param name="item">An AudioStackItem.</param>
public void Remove(AudioStackItem item)
{
if (!IsLoaded (item))
return;
// Make sure the item is stopped
item.Source.Stop ();
// Remove the clip association
item.Source.clip = null;
// Add the source back to the stack
_audioSources.Push (item.Source);
// Remove our item definition
_loadedItems.Remove (item.Key);
// Free Item
item = null;
}
/// <summary>
/// Determines whether an AudioStackItem is playing.
/// </summary>
/// <returns>Is the AudioStackItem playing?</returns>
/// <param name="item">An AudioStackItem.</param>
public bool IsPlaying(AudioStackItem item)
{
return item != null && item.Source != null && item.Source.isPlaying;
}
/// <summary>
/// Add/Load an AudioStackItem
/// </summary>
/// <param name="item">An AudioStackItem.</param>
/// <param name="createDuplicate">Create a duplicate entry if need be.</param>
public string Add(AudioStackItem item, bool createDuplicate)
{
if (IsLoaded (item.Key) && !createDuplicate) {
// Update any settings we need too
_loadedItems [item.Key].Fade = item.Fade;
_loadedItems [item.Key].Loop = item.Loop;
_loadedItems [item.Key].PlayOnLoad = item.PlayOnLoad;
_loadedItems [item.Key].FadeInSpeed = item.FadeInSpeed;
_loadedItems [item.Key].FadeOutSpeed = item.FadeOutSpeed;
_loadedItems [item.Key].Persistant = item.Persistant;
_loadedItems [item.Key].TargetVolume = item.TargetVolume;
_loadedItems [item.Key].StartVolume = item.StartVolume;
_loadedItems [item.Key].RemoveAfterFadeOut = item.RemoveAfterFadeOut;
_loadedItems [item.Key].Priority = item.Priority;
if (_loadedItems [item.Key].Source != null) {
_loadedItems [item.Key].Source.priority = item.Priority;
}
} else {
// If we do not have enough sources, we should make one, if we can.
if (_audioSources.Count <= 0 && _loadedItems.Count < MaximumSources) {
var source = _poolObject.AddComponent<AudioSource> ();
// Make sure we dont have any fun little hickups
source.playOnAwake = false;
_audioSources.Push (source);
}
// Let's rock this playing of one
if (_audioSources.Count > 0) {
// Create a slightly different key if need be
// You should never be starting the exact same sound twice in the same frame,
// thus we can just use the this simple addition
if (createDuplicate && IsLoaded (item.Key)) {
item.Key = item.Key + Time.time + item.GetHashCode ();
}
// Use this stack for callback
// TODO: Don't like this
item.Stack = this;
item.Source = _audioSources.Pop () as AudioSource;
// Update Our Source
item.Source.clip = item.Clip;
item.Source.volume = item.StartVolume;
item.Source.loop = item.Loop;
item.Source.priority = item.Priority;
// Auto Play Stuff
if (item.PlayOnLoad) {
item.Source.Play ();
}
_loadedItems.Add (item.Key, item);
} else if (_audioSources.Count <= 0 && UsePriorities) {
// Find our sucker to replace.
//TODO: Maybe we can search for how long a track has already played
AudioStackItem replaceItem = item;
foreach (string s in _loadedItems.Keys.ToList()) {
if (_loadedItems [s].Priority < replaceItem.Priority &&
!_loadedItems [s].Loop) {
replaceItem = _loadedItems [s];
}
}
// Did any thing qualify?
if (replaceItem != item) {
Remove (replaceItem);
Add (item);
} else {
Debug.Log ("No available Audio Sources from the AudioStack to use, even when prioritized.");
}
} else {
Debug.Log ("No available Audio Sources from the AudioStack to use.");
}
}
return item.Key;
}
/// <summary>
/// Determines whether an AudioStackItem is currently loaded and managed by the AudioStack.
/// </summary>
/// <returns>Is the AudioStackItem present in the AudioStack?</returns>
/// <param name="item">An AudioStackItem.</param>
public bool IsLoaded(AudioStackItem item)
{
return item != null && IsLoaded (item.Key);
}
/// <summary>
/// Add/Load an AudioStackItem
/// </summary>
/// <param name="item">An AudioStackItem.</param>
public string Add(AudioStackItem item)
{
return Add (item, false);
}
