/*!
* \brief Check if anything is in a cylinder
* \param cyl the cylinder to check
* \param flags collision flags
* \return 0 if nothing in cyl else returns Y Offset to put cylinder in a proper place
*/
static float ANCHOR_CheckAnythingInCylinder(const Cylinder & cyl, CollisionFlags flags) {
long rad = (cyl.radius + 230) * ACTIVEBKG->Xmul;
long px = cyl.origin.x * ACTIVEBKG->Xmul;
long pz = cyl.origin.z * ACTIVEBKG->Zmul;
if(px > ACTIVEBKG->Xsize - 2 - rad)
return 0.f;
if(px < 1 + rad)
return 0.f;
if(pz > ACTIVEBKG->Zsize - 2 - rad)
return 0.f;
if(pz < 1 + rad)
return 0.f;
float anything = 999999.f;
for(short z = pz - rad; z <= pz + rad; z++)
for(short x = px - rad; x <= px + rad; x++) {
const EERIE_BKG_INFO feg = ACTIVEBKG->fastdata[x][z];
for(long k = 0; k < feg.nbpoly; k++) {
const EERIEPOLY ep = feg.polydata[k];
if(ep.type & (POLY_WATER | POLY_TRANS | POLY_NOCOL))
continue;
if(ep.min.y < anything) {
float minanything = std::min(anything, ANCHOR_IsPolyInCylinder(ep, cyl, flags));
if(anything != minanything)
anything = minanything;
}
}
}
EERIEPOLY *ep = ANCHOR_CheckInPolyPrecis(cyl.origin + Vec3f(0.f, cyl.height, 0.f));
if(ep)
anything = std::min(anything, ep->min.y);
float tempo;
if(ep && GetTruePolyY(ep, cyl.origin, &tempo))
anything = std::min(anything, tempo);
anything = anything - cyl.origin.y;
return anything;
}
//-----------------------------------------------------------------------------
// Returns 0 if nothing in cyl
// Else returns Y Offset to put cylinder in a proper place
float ANCHOR_CheckAnythingInCylinder(EERIE_CYLINDER * cyl, INTERACTIVE_OBJ * ioo, long flags)
{
long rad;
F2L((cyl->radius + 230)*ACTIVEBKG->Xmul, &rad);
long px, pz;
F2L(cyl->origin.x * ACTIVEBKG->Xmul, &px);
if (px > ACTIVEBKG->Xsize - 2 - rad)
return 0.f;
if (px < 1 + rad)
return 0.f;
F2L(cyl->origin.z * ACTIVEBKG->Zmul, &pz);
if (pz > ACTIVEBKG->Zsize - 2 - rad)
return 0.f;
if (pz < 1 + rad)
return 0.f;
float anything = 999999.f;
EERIEPOLY * ep;
FAST_BKG_DATA * feg;
/* TO KEEP...
EERIE_BKG_INFO * eg=&ACTIVEBKG->Backg[px+pz*ACTIVEBKG->Xsize];
if ( (cyl->origin.y+cyl->height < eg->tile_miny)
&& (cyl->origin.y > eg->tile_miny)
//|| (cyl->origin.y > eg->tile_maxy)
)
{
return 999999.f;
}
*/
for (long j = pz - rad; j <= pz + rad; j++)
for (long i = px - rad; i <= px + rad; i++)
{
feg = &ACTIVEBKG->fastdata[i][j];
for (long k = 0; k < feg->nbpoly; k++)
{
ep = &feg->polydata[k];
if (ep->type & (POLY_WATER | POLY_TRANS | POLY_NOCOL)) continue;
if (ep->min.y < anything)
{
float minanything = __min(anything, ANCHOR_IsPolyInCylinder(ep, cyl, flags));
if (anything != minanything)
{
anything = minanything;
}
}
}
}
ep = ANCHOR_CheckInPolyPrecis(cyl->origin.x, cyl->origin.y + cyl->height, cyl->origin.z);
if (ep) anything = __min(anything, ep->min.y);
float tempo;
if ((ep) && (GetTruePolyY(ep, &cyl->origin, &tempo)))
anything = __min(anything, tempo);
anything = anything - cyl->origin.y;
return anything;
}
