// Member Functions
void Awake()
{
s_cInstance = this;
s_activeAudio = new List <ClipInfo>();
m_listener = (AudioListener)FindObjectOfType(typeof(AudioListener));
occludeState = OcclusionState.OCCLUSION_FALSE;
}
// Member Functions
void Awake()
{
s_cInstance = this;
s_activeAudio = new List<ClipInfo>();
m_listener = (AudioListener) FindObjectOfType(typeof(AudioListener));
occludeState = OcclusionState.OCCLUSION_FALSE;
}
void ProcessAudioOcclusion(ClipInfo _audioClip)
{
//Get the audioListener in the scene
Vector3 listenerPos = m_listener.transform.position;
Vector3 sourcePos = _audioClip.audioSource.transform.position;
int ignoreMask = 3 << 10;
ignoreMask = ~ignoreMask;
RaycastHit hit;
if (Physics.Linecast(sourcePos, listenerPos, out hit, ignoreMask))
{
Debug.DrawLine(sourcePos, listenerPos);
if (hit.collider.tag != "Listener")
{
//TODO:
//For now, get every conduit in existence
GameObject[] conduits = GameObject.FindGameObjectsWithTag("AudioConduit");
bool occlude = true;
//Before occluding, raycast from audio source to all nearby audio conduits.
foreach (GameObject conduit in conduits)
{
RaycastHit sourceToConduit;
if (Physics.Linecast(sourcePos, conduit.transform.position, out sourceToConduit))
{
if (sourceToConduit.collider.tag == "AudioConduit")
{
//If there is a conduit within sight of the audio source, check whether the listener has line of sight with the same conduit.
RaycastHit LinstenerToConduit;
if (Physics.Linecast(listenerPos, conduit.transform.position, out LinstenerToConduit))
{
if (LinstenerToConduit.collider.tag == "AudioConduit")
{
Debug.DrawLine(sourcePos, conduit.transform.position, Color.red);
Debug.DrawLine(conduit.transform.position, listenerPos, Color.blue);
occlude = false;
_audioClip.audioSource.volume = _audioClip.defaultVolume / 2;
if (occludeState != OcclusionState.OCCLUSION_PARTIAL)
{
occludeState = OcclusionState.OCCLUSION_PARTIAL;
//Debug.Log("Partial Occlusion");
}
}
}
}
}
}
AudioLowPassFilter audioFilter = _audioClip.audioSource.gameObject.GetComponent <AudioLowPassFilter>();
if (occlude)
{
if (audioFilter == null)
{
AudioLowPassFilter filter = _audioClip.audioSource.gameObject.AddComponent <AudioLowPassFilter>();
filter.cutoffFrequency = 2000;
}
_audioClip.audioSource.volume = _audioClip.defaultVolume / 10;
if (occludeState != OcclusionState.OCCLUSION_FULL)
{
occludeState = OcclusionState.OCCLUSION_FULL;
//Debug.Log("Full Occlusion. " + hit.collider.gameObject.name + " is blocking audio");
}
}
}
else
{
if (_audioClip.audioSource.gameObject.GetComponent <AudioLowPassFilter>() != null)
{
Destroy(_audioClip.audioSource.gameObject.GetComponent <AudioLowPassFilter>());
_audioClip.audioSource.volume = _audioClip.defaultVolume;
}
if (occludeState != OcclusionState.OCCLUSION_FALSE)
{
occludeState = OcclusionState.OCCLUSION_FALSE;
//Debug.Log("No Occlusion");
}
}
}
}
void ProcessAudioOcclusion(ClipInfo _audioClip)
{
//Get the audioListener in the scene
Vector3 listenerPos = m_listener.transform.position;
Vector3 sourcePos = _audioClip.audioSource.transform.position;
int ignoreMask = 3 << 10;
ignoreMask = ~ignoreMask;
RaycastHit hit;
if(Physics.Linecast(sourcePos, listenerPos, out hit, ignoreMask))
{
Debug.DrawLine( sourcePos, listenerPos);
if(hit.collider.tag != "Listener")
{
//TODO:
//For now, get every conduit in existence
GameObject[] conduits = GameObject.FindGameObjectsWithTag("AudioConduit");
bool occlude = true;
//Before occluding, raycast from audio source to all nearby audio conduits.
foreach(GameObject conduit in conduits)
{
RaycastHit sourceToConduit;
if(Physics.Linecast(sourcePos, conduit.transform.position, out sourceToConduit))
{
if(sourceToConduit.collider.tag == "AudioConduit")
{
//If there is a conduit within sight of the audio source, check whether the listener has line of sight with the same conduit.
RaycastHit LinstenerToConduit;
if(Physics.Linecast(listenerPos, conduit.transform.position, out LinstenerToConduit))
{
if(LinstenerToConduit.collider.tag == "AudioConduit")
{
Debug.DrawLine( sourcePos, conduit.transform.position, Color.red);
Debug.DrawLine( conduit.transform.position, listenerPos, Color.blue);
occlude = false;
_audioClip.audioSource.volume = _audioClip.defaultVolume / 2;
if(occludeState != OcclusionState.OCCLUSION_PARTIAL)
{
occludeState = OcclusionState.OCCLUSION_PARTIAL;
//Debug.Log("Partial Occlusion");
}
}
}
}
}
}
AudioLowPassFilter audioFilter = _audioClip.audioSource.gameObject.GetComponent<AudioLowPassFilter>();
if(occlude)
{
if(audioFilter == null)
{
AudioLowPassFilter filter =_audioClip.audioSource.gameObject.AddComponent<AudioLowPassFilter>();
filter.cutoffFrequency = 2000;
}
_audioClip.audioSource.volume = _audioClip.defaultVolume / 10;
if(occludeState != OcclusionState.OCCLUSION_FULL)
{
occludeState = OcclusionState.OCCLUSION_FULL;
//Debug.Log("Full Occlusion. " + hit.collider.gameObject.name + " is blocking audio");
}
}
}
else
{
if(_audioClip.audioSource.gameObject.GetComponent<AudioLowPassFilter>() != null)
{
Destroy(_audioClip.audioSource.gameObject.GetComponent<AudioLowPassFilter>());
_audioClip.audioSource.volume = _audioClip.defaultVolume;
}
if(occludeState != OcclusionState.OCCLUSION_FALSE)
{
occludeState = OcclusionState.OCCLUSION_FALSE;
//Debug.Log("No Occlusion");
}
}
}
}
