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);
}
}
public int FindClosestAudibleSegment()
{
int result = -1;
float num = 3.40282347E+38f;
for (int i = 0; i < this.audibleSegmentCount; i++)
{
int index = this.activeSegments[i];
AreaEmitter.Segment segment = this.segments[index];
if (!this.IsSegmentOccluded(index) && segment.sqrDistance < num)
{
num = segment.sqrDistance;
result = this.activeSegments[i];
}
}
return(result);
}
private void UpdateSegment(int index)
{
if (this.IsSegmentActive(index))
{
return;
}
AreaEmitter.Segment value = this.segments[index];
Vector3 rhs = LocalPlayer.Transform.position - value.start;
float num = Vector3.Dot(value.delta, rhs);
if (num <= 0f)
{
value.closestT = 0f;
value.closestPoint = value.start;
}
else
{
float num2 = num / value.length;
if (num2 >= value.length)
{
value.closestT = 1f;
value.closestPoint = value.start + value.delta;
}
else
{
value.closestT = num2 / value.length;
value.closestPoint = value.start + value.delta * value.closestT;
}
}
value.sqrDistance = (value.closestPoint - LocalPlayer.Transform.position).sqrMagnitude;
List <AreaEmitter.Polygon.SegmentFlags> list;
List <AreaEmitter.Polygon.SegmentFlags> expr_10D = list = this.segmentFlags;
AreaEmitter.Polygon.SegmentFlags segmentFlags = list[index];
expr_10D[index] = (segmentFlags & ~AreaEmitter.Polygon.SegmentFlags.Occluded);
if (value.sqrDistance < this.sqrMaximumDistance)
{
this.activeSegments.Add(index);
List <AreaEmitter.Polygon.SegmentFlags> list2;
List <AreaEmitter.Polygon.SegmentFlags> expr_14D = list2 = this.segmentFlags;
segmentFlags = list2[index];
expr_14D[index] = (segmentFlags | AreaEmitter.Polygon.SegmentFlags.Active);
}
this.segments[index] = value;
}
