void ValidateOverlap(UProject project, UNote note)
{
if (Error)
{
return;
}
float consonantStretch = (float)Math.Pow(2f, 1.0f - GetExpression(project, "vel").Item1 / 100f);
overlap = (float)oto.Overlap * consonantStretch * (overlapScale ?? 1);
preutter = (float)oto.Preutter * consonantStretch * (preutterScale ?? 1);
overlapped = false;
if (Prev == null)
{
return;
}
int gapTick = Parent.position + position - (Prev.Parent.position + Prev.End);
float gapMs = (float)project.TickToMillisecond(gapTick);
float maxPreutter = preutter;
if (gapMs <= 0)
{
// Keep at least half of last phoneme, or 10% if preutterScale is set.
overlapped = true;
maxPreutter = (float)project.TickToMillisecond(Prev.Duration) * (preutterScale == null ? 0.5f : 0.9f);
}
else if (gapMs < preutter)
{
maxPreutter = gapMs;
}
if (preutter > maxPreutter)
{
float ratio = maxPreutter / preutter;
preutter = maxPreutter;
overlap *= ratio;
}
preutter = Math.Max(0, preutter);
overlap = Math.Min(overlap, preutter);
Prev.tailIntrude = overlapped ? preutter : 0;
Prev.tailOverlap = overlapped ? overlap : 0;
Prev.ValidateEnvelope(project, Prev.Parent);
if (Next == null)
{
tailIntrude = 0;
tailOverlap = 0;
}
}
void ValidateEnvelope(UProject project, UNote note)
{
if (Error)
{
return;
}
var vol = GetExpression(project, "vol").Item1;
var atk = GetExpression(project, "atk").Item1;
var dec = GetExpression(project, "dec").Item1;
Vector2 p0, p1, p2, p3, p4;
p0.X = -preutter;
p1.X = p0.X + (overlapped ? overlap : 5f);
p2.X = Math.Max(0f, p1.X);
p3.X = (float)project.TickToMillisecond(Duration) - (float)tailIntrude;
p4.X = p3.X + (float)tailOverlap;
if (p3.X == p4.X)
{
p3.X = Math.Max(p2.X, p3.X - 25f);
}
p0.Y = 0f;
p1.Y = vol;
p1.X = p0.X + (overlapped ? overlap : 5f);
p1.Y = atk * vol / 100f;
p2.Y = vol;
p3.Y = vol * (1f - dec / 100f);
p4.Y = 0f;
envelope.data[0] = p0;
envelope.data[1] = p1;
envelope.data[2] = p2;
envelope.data[3] = p3;
envelope.data[4] = p4;
}