private void UpdateSources(AreaEmitter.Polygon boundary)
{
this.sources.Sort(this.compareSources);
int i = 0;
while (i < this.sources.Count)
{
AreaEmitter.Source source = this.sources[i];
if (source.polygon != boundary)
{
AreaEmitter.StopSource(source);
this.sources.RemoveAt(i);
}
else
{
int num = boundary.DescendToClosestSegment(source.segment);
if (boundary.IsSegmentOccluded(num))
{
num = boundary.AscendToAudibleSegment(source.segment);
}
if (!boundary.IsSegmentOccluded(num))
{
source.segment = num;
}
AreaEmitter.Segment segment = boundary.GetSegment(source.segment);
if (boundary.IsSegmentOccluded(source.segment) || segment.sqrDistance > this.sqrEventMaximumDistance)
{
AreaEmitter.StopSource(source);
this.sources.RemoveAt(i);
}
else
{
Vector3 vector = segment.closestPoint - source.position;
float sqrMagnitude = vector.sqrMagnitude;
float num2 = this.sourceSpeed * Time.deltaTime;
if (num2 * num2 >= sqrMagnitude)
{
source.position = segment.closestPoint;
}
else
{
source.position += vector.normalized * num2;
}
this.UpdateSource(source);
this.sources[i] = source;
i++;
}
}
}
while (this.sources.Count < this.maximumSourceCount)
{
int num3 = boundary.FindClosestAudibleSegment();
if (num3 < 0)
{
break;
}
this.CreateSource(boundary, num3);
}
}
private void OccludeSegments(AreaEmitter.Source occluder)
{
if (this.voids.Count == 0 && !this.perimeter.HasActiveSegments())
{
return;
}
Vector3 closestPoint = occluder.polygon.GetSegment(occluder.segment).closestPoint;
Vector3 v = closestPoint - LocalPlayer.Transform.position;
float sqrMagnitude = v.sqrMagnitude;
v.y = 0f;
float num = -45f;
Vector3 rightOfLeft = v.RotateY(num);
Vector3 leftOfRight = v.RotateY(-num);
for (int i = -1; i < this.voids.Count; i++)
{
this.GetPolygon(i).OccludeSegments(sqrMagnitude, rightOfLeft, leftOfRight);
}
}
private static void StopSource(AreaEmitter.Source source)
{
UnityUtil.ERRCHECK(source.eventInstance.stop(STOP_MODE.ALLOWFADEOUT));
UnityUtil.ERRCHECK(source.eventInstance.release());
}
private void UpdateSource(AreaEmitter.Source source)
{
this.OccludeSegments(source);
this.UpdateEvent(source.eventInstance, source.position);
}
