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#strict 2
global func GetClrModulationStack(object target)
{
target || FatalError("GetClrModulationStack: no target object given");
return GetEffect("ClrModulationStack", target) || AddEffect("ClrModulationStack", target, 200);
}
global func AddClrModulation(int color, int baseColor, int factor, int precision, object target)
{
baseColor = baseColor || RGB(127, 127, 127);
target = target || this || FatalError("AddClrModulation: no target object given");
factor = factor || 1;
precision = precision || 1;
return EffectCall(target, GetClrModulationStack(target), "AddModulation", color, baseColor, factor, precision);
}
global func RemoveClrModulation(int id, object target)
{
target = target || this || FatalError("RemoveClrModulation: no target object given");
return EffectCall(target, GetClrModulationStack(target), "RemoveModulation", id);
}
global func FxClrModulationStackStart(object target, int effectNumber, int temp)
{
if(!temp)
{
EffectVar(1, target, effectNumber) = [];
}
}
global func FxClrModulationStackAddModulation(object target, int effectNumber, int color, int baseColor, int factor, int precision)
{
EffectVar(1, target, effectNumber)[] = [++EffectVar(0, target, effectNumber), color, baseColor, factor, precision];
EffectCall(target, effectNumber, "ApplyModulation");
return EffectVar(0, target, effectNumber);
}
global func FxClrModulationStackRemoveModulation(object target, int effectNumber, int id)
{
for(var i = 0; i < GetLength(EffectVar(1, target, effectNumber)); ++i)
{
if(EffectVar(1, target, effectNumber)[i][0] == id)
{
ArrayErase(EffectVar(1, target, effectNumber), i);
EffectCall(target, effectNumber, "ApplyModulation");
return true;
}
}
return 0;
}
global func FxClrModulationStackApplyModulation(object target, int effectNumber)
{
if(GetLength(EffectVar(1, target, effectNumber)) == 0)
{
SetClrModulation(0, target);
return 0;
}
var r, g, b, a;
SplitRGBaValue(EffectVar(1, target, effectNumber)[0][1], r, g, b, a);
a = 255 - a;
for(var i = 1; i < GetLength(EffectVar(1, target, effectNumber)); ++i)
{
var clrPart = EffectVar(1, target, effectNumber)[i];
var mr, mg, mb, ma, br, bg, bb, ba;
SplitRGBaValue(clrPart[1], mr, mg, mb, ma);
SplitRGBaValue(clrPart[2], br, bg, bb, ba);
ma = 255 - ma;
a *= ma;
a /= 0xFF;
r += mr - br;
r *= clrPart[3];
r /= clrPart[4];
g += mg - bg;
g *= clrPart[3];
g /= clrPart[4];
b += mb - bb;
b *= clrPart[3];
b /= clrPart[4];
}
SetClrModulation(RGBa(BoundBy(r, 0, 255), BoundBy(g, 0, 255), BoundBy(b, 0, 255), 255 - a), target);
return true;
}
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