//is fed the previous generate if one is available, if not curVal is mid of outgoing window
public void Evaluate(GeneratorEvalParams p)//float time, float curVal, Vector2 incomingWindow)
{
//Vector2 expandedWindow = new Vector2(Mathf.Min(p.currentWindow.x, outgoingWindow.x),Mathf.Max(p.currentWindow.y, outgoingWindow.y));
float curTime = IncrementAndWrap(p.increment);
float ourVal = Generate(curTime);
Combine(ourVal, p);
if (p.first && genMethod != GenMethod.None)
{
p.currentWindow = generationWindow;
p.first = false;
}
if (rerangeOutGoing)
{
p.currentVal = AID.UTIL.ReRange(p.currentVal, p.currentWindow.x, p.currentWindow.y, outgoingWindow.x, outgoingWindow.y);
}
//do we clamp, we still need to clamp even if rerange as we cannot trust others to have clamped also
if (clampToOutputRange)
{
p.currentVal = Mathf.Clamp(p.currentVal, outgoingWindow.x, outgoingWindow.y);
}
//TODO do we gate
}
void Combine(float ourVal, GeneratorEvalParams p)
{
if (genMethod == GenMethod.None)
{
return;
}
float sign = 1;
switch (combineOp)
{
case CombineOp.Div:
p.currentVal /= ourVal;
if (!p.first)
{
// if there is any neg we must maintain it
if (generationWindow.x < 0 || generationWindow.y < 0 || p.currentWindow.x < 0 || p.currentWindow.y < 0)
{
sign = -1;
}
p.currentWindow.x /= generationWindow.x * sign;
p.currentWindow.y /= generationWindow.y;
}
break;
case CombineOp.Mul:
p.currentVal *= ourVal;
//if there is any neg we must maintain it
if (!p.first)
{
if (generationWindow.x < 0 || generationWindow.y < 0 || p.currentWindow.x < 0 || p.currentWindow.y < 0)
{
sign = -1;
}
p.currentWindow.x *= generationWindow.x * sign;
p.currentWindow.y *= generationWindow.y;
}
break;
case CombineOp.Add:
p.currentVal += ourVal;
if (!p.first)
{
p.currentWindow.x += generationWindow.x;
p.currentWindow.y += generationWindow.y;
}
break;
case CombineOp.Sub:
p.currentVal -= ourVal;
if (!p.first)
{
p.currentWindow.x -= generationWindow.x;
p.currentWindow.y -= generationWindow.y;
}
break;
case CombineOp.Min:
p.currentVal = Mathf.Min(p.currentVal, ourVal);
if (!p.first)
{
p.currentWindow.x = Mathf.Min(p.currentWindow.x, generationWindow.x);
p.currentWindow.y = Mathf.Min(p.currentWindow.y, generationWindow.y);
}
break;
case CombineOp.Max:
p.currentVal = Mathf.Max(p.currentVal, ourVal);
if (!p.first)
{
p.currentWindow.x = Mathf.Max(p.currentWindow.x, generationWindow.x);
p.currentWindow.y = Mathf.Max(p.currentWindow.y, generationWindow.y);
}
break;
case CombineOp.Mid:
p.currentVal = (p.currentVal + ourVal) * 0.5f;
if (!p.first)
{
p.currentWindow.x = (p.currentWindow.x + generationWindow.x) * 0.5f;
p.currentWindow.y = (p.currentWindow.y + generationWindow.y) * 0.5f;
}
break;
default:
Debug.LogError("Unhandled combine op: " + combineOp.ToString());
break;
}
}
