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#strict 2
global func ResetTransform(overlays)
{
for(var overlay in TransformOverlays(overlays))
{
if(!overlay) SetObjDrawTransform(0, 0, 0, 0, 0, 0, this, overlay);
else SetObjDrawTransform(1000, 0, 0, 0, 1000, 0, this, overlay);
}
}
global func SetTransform(array transforms, overlays)
{
for(var overlay in TransformOverlays(overlays))
{
ResetTransform(overlay);
AddTransform(transforms, overlay);
}
}
global func AddTransform(array transforms, overlays)
{
for(var overlay in TransformOverlays(overlays))
{
for(var transform in transforms)
{
SetObjDrawTransform2(transform[0][0], transform[0][1], transform[0][2], transform[1][0], transform[1][1], transform[1][2], transform[2][0], transform[2][1], transform[2][2], overlay);
}
}
}
global func TransformOverlays(overlays)
{
if(!overlays || GetType(overlays) == C4V_Int)
{
if(overlays >= 0) return [overlays];
else
{
var ret = [];
overlays = Abs(overlays);
for(var i = 0; i <= overlays; ++i)
{
ret[] = i;
}
return ret;
}
}
else if(GetType(overlays) == C4V_Array)
{
var ret = [], last;
last = overlays[0];
var i = 1;
if(last < 0)
{
i = 0;
last = 0;
}
else
{
ret[0] = last;
}
for(; i < GetLength(overlays); ++i)
{
var overlay = overlays[i];
if(overlay < 0)
{
overlay = Abs(overlay);
for(var j = last + 1; j <= overlay; ++j)
{
ret[] = j;
}
}
else
{
ret[] = overlay;
}
last = overlay;
}
return ret;
}
else
{
FatalError("TransformOverlays: overlays must be a single integer or an array.");
}
}
global func Rotate() { return RotateZ(...); }
global func RotateX(int phi, int prec)
{
prec = prec || 1;
var cos = Cos(phi, 1000, prec);
var sin = Sin(phi, 1000, prec);
return
[
[1000, 0, 0],
[ 0, cos, -sin],
[ 0, sin, cos]
];
}
global func RotateY(int phi, int prec)
{
prec = prec || 1;
var cos = Cos(phi, 1000, prec);
var sin = Sin(phi, 1000, prec);
return
[
[ cos, 0, sin],
[ 0, 1000, 0],
[-sin, 0, cos]
];
}
global func RotateZ(int phi, int prec)
{
prec = prec || 1;
var cos = Cos(phi, 1000, prec);
var sin = Sin(phi, 1000, prec);
return
[
[cos, -sin, 0],
[sin, cos, 0],
[ 0, 0, 1000]
];
}
global func Scale3D(int x, int y, int z)
{
return
[
[x, 0, 0],
[0, y, 0],
[0, 0, z]
];
}
global func Scale2D(int x, int y) { return Scale3D(x, y, 1000); }
global func ScaleX(int f) { return Scale3D(f, 1000, 1000); }
global func ScaleY(int f) { return Scale3D(1000, f, 1000); }
global func ScaleZ(int f) { return Scale3D(1000, 1000, f); }
global func Translate2D(int x, int y, int prec)
{
prec = prec || 1;
return
[
[1000, 0, x * 1000 / prec],
[ 0, 1000, y * 1000 / prec],
[ 0, 0, 1000]
];
}
global func TranslateX(int x, int prec) { return Translate2D(x, 0, prec); }
global func TranslateY(int y, int prec) { return Translate2D(0, y, prec); }
global func MirrorX()
{
return
[
[-1000, 0, 0],
[ 0, 1000, 0],
[ 0, 0, 1000]
];
}
global func MirrorY()
{
return
[
[1000, 0, 0],
[ 0, -1000, 0],
[ 0, 0, 1000]
];
}
global func Skew2D(int x, int y)
{
return
[
[1000, x, 0],
[ y, 1000, 0],
[ 0, 0, 1000]
];
}
global func SkewX(int x) { return Skew2D(x, 0); }
global func SkewY(int y) { return Skew2D(0, y); }
global func Matrix3x3Multiply(array a, array b, int precision)
{
return
[
[(a[2][0] * b[0][2] + a[1][0] * b[0][1] + a[0][0] * b[0][0]) / precision, (a[2][1] * b[0][2] + a[1][1] * b[0][1] + a[0][1] * b[0][0]) / precision, (a[2][2] * b[0][2] + a[1][2] * b[0][1] + a[0][2] * b[0][0]) / precision],
[(a[2][0] * b[1][2] + a[1][0] * b[1][1] + a[0][0] * b[1][0]) / precision, (a[2][1] * b[1][2] + a[1][1] * b[1][1] + a[0][1] * b[1][0]) / precision, (a[2][2] * b[1][2] + a[1][2] * b[1][1] + a[0][2] * b[1][0]) / precision],
[(a[2][0] * b[2][2] + a[1][0] * b[2][1] + a[0][0] * b[2][0]) / precision, (a[2][1] * b[2][2] + a[1][1] * b[2][1] + a[0][1] * b[2][0]) / precision, (a[2][2] * b[2][2] + a[1][2] * b[2][1] + a[0][2] * b[2][0]) / precision]
];
}
// Combines several transforms (as used for SetTransform) into one transform. Returns a single transform (like all other transform functions).
// May be used to cache transforms. For direct application use SetTransform instead, which implicitly uses the native engine implementation of matrix multiplication.
global func PreTransform(array transforms)
{
if(GetLength(transforms) == 0)
{
FatalError("PreTransform called without transforms.");
}
else
{
var ret = transforms[0];
for(var i = 1; i < GetLength(transforms); ++i)
{
ret = Matrix3x3Multiply(ret, transforms[i], 1000);
}
return ret;
}
}
// Examples
// Clonk with giant head:
// GetCursor0->SetTransform([TranslateY(8), RotateX(4), ScaleZ(400), TranslateY(-10)])
// 3D-Rotating Hut:
// Schedule("FindObject(HUT2)->SetTransform([TranslateY(-20), RotateZ(++Global(0)), TranslateY(0), RotateX(-1), TranslateY(20)])", 1, 10000)
// 3D-Rotating Clonk:
// Schedule("GetCursor(0)->SetTransform([TranslateY(-8), RotateZ(++Global(0)), TranslateY(0), RotateX(-2), TranslateY(8)])", 1, 10000)
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