/**
* Implementation for events of type "Stop"
*/
private void PostEventStop_Implementation(SoundEvent soundEvent)
{
RemoveEvents(
(target, hashCode) =>
{
SoundEventHandle handle = target.GetComponent <SoundEventHandle>();
return(handle.EventID == hashCode);
},
soundEvent.EventToStop.GetHashCode());
}
/**
* Finds an event target from an ID
* @param soundEventID The id of the sound target to find
* @return A reference on the target or null if not found
*/
private GameObject GetTargetFromID(int soundEventID)
{
foreach (GameObject soundObject in Targets)
{
SoundEventHandle handle = soundObject.GetComponent <SoundEventHandle>();
if (handle.EventID == soundEventID)
{
return(soundObject);
}
}
return(null);
}
/**
* Returns the number of instances of a specific events
* @param hashCode
* @return the number of instances, could be zero
*/
private int GetEventInstanceCount(int hashCode)
{
int instanceCount = 0;
foreach (GameObject soundObject in Targets)
{
SoundEventHandle handle = soundObject.GetComponent <SoundEventHandle>();
if (handle.EventID == hashCode)
{
instanceCount += 1;
}
}
return(instanceCount);
}
/**
* Implementation for events of type "Play"
*/
private void PostEventPlay_Implementation(SoundEvent soundEvent)
{
// Pre-condition
if (GetEventInstanceCount(soundEvent.EventID) >= soundEvent.EventMaxInstance)
{
DisplayWarningMessage("AudioEventManager : Too many instances to instantiate " + soundEvent.EventName);
return;
}
// Pre-condition
if (soundEvent.EventTargets.Count == 0)
{
DisplayWarningMessage("AudioEventManager : The event " + soundEvent.EventName + " has no audio targets.");
return;
}
// Instianting the sound object
// Setting up the object
GameObject go = Instantiate(SoundObject, this.transform) as GameObject;
go.name = soundEvent.EventName;
AudioSource source = go.GetComponent <AudioSource>();
SoundEventHandle handle = go.GetComponent <SoundEventHandle>();
handle.EventID = soundEvent.EventID;
if (soundEvent.EventIsRandom)
{
// We should add only one audio target
int targetIndex = Random.Range(0, soundEvent.EventTargets.Count);
source.clip = soundEvent.EventTargets[targetIndex];
}
else
{
source.clip = soundEvent.EventTargets[0];
int sourcesToAdd = soundEvent.EventTargets.Count - 1;
for (int nTarget = 0; nTarget < sourcesToAdd; ++nTarget)
{
AudioSource newSource = go.AddComponent <AudioSource>();
newSource.clip = soundEvent.EventTargets[nTarget + 1];
}
}
// General audio source settings
AudioSource[] sources = go.GetComponents <AudioSource>();
int sourcesCount = sources.Length;
for (int nSource = 0; nSource < sourcesCount; ++nSource)
{
// Mixer setting
AudioMixerGroup mixer = null;
if (soundEvent.EventType == SoundEvent.EEventType.Music)
{
mixer = MusicMixer;
}
else
{
mixer = SFXMixer;
}
sources[nSource].outputAudioMixerGroup = mixer;
float pitch = soundEvent.EventPitch;
float volume = soundEvent.EventVolume;
// Volume and Pitch settings
if (soundEvent.EventIsPitchRandom)
{
pitch += Random.Range(soundEvent.EventPitchRandomRange.x, soundEvent.EventPitchRandomRange.y);
}
if (soundEvent.EventIsVolumeRandom)
{
volume += Random.Range(soundEvent.EventVolumeRandomRange.x, soundEvent.EventVolumeRandomRange.y);
}
sources[nSource].pitch = pitch;
sources[nSource].volume = volume;
if (soundEvent.EventIsLooping)
{
sources[nSource].loop = true;
}
// Plays all sources
sources[nSource].Play();
}
// Buffers the go
Targets.Add(go);
}
