Ivector vpack (Fvector src)
{
Fvector _v;
int bx = fpack (src.x);
int by = fpack (src.y);
int bz = fpackZ(src.z);
// dumb test
float e_best = flt_max;
int r=bx,g=by,b=bz;
#ifdef DEBUG
int d=0;
#else
int d=3;
#endif
for (int x=_max(bx-d,0); x<=_min(bx+d,255); x++)
for (int y=_max(by-d,0); y<=_min(by+d,255); y++)
for (int z=_max(bz-d,0); z<=_min(bz+d,255); z++)
{
_v = vunpack(x,y,z);
float m = _v.magnitude();
float me = _abs(m-1.f);
if (me>0.03f) continue;
_v.div (m);
float e = _abs(src.dotproduct(_v)-1.f);
if (e<e_best) {
e_best = e;
r=x,g=y,b=z;
}
}
Ivector ipck;
ipck.set (r,g,b);
return ipck;
}
void tune_remap(const Ivector& in_values, Ivector& out_values)
{
if (pInput->iGetAsyncKeyState(DIK_LSHIFT) || pInput->iGetAsyncKeyState(DIK_RSHIFT))
{
out_values = in_values;
}else
if( pInput->iGetAsyncKeyState(DIK_Z) )
{ //strict by X
out_values.x = in_values.y;
out_values.y = 0;
out_values.z = 0;
}else
if( pInput->iGetAsyncKeyState(DIK_X) )
{ //strict by Y
out_values.x = 0;
out_values.y = in_values.y;
out_values.z = 0;
}else
if( pInput->iGetAsyncKeyState(DIK_C) )
{ //strict by Z
out_values.x = 0;
out_values.y = 0;
out_values.z = in_values.y;
}else
{
out_values.set(0,0,0);
}
}