Function xEntCollCheckOneGrid

src/SB/Core/x/xEnt.cpp:1357–1451

}

static void xEntCollCheckOneGrid(xEnt* p, xScene* sc, xEnt* (*hitIt)(xEnt*, xScene*, void*),
                                 xGrid* grid)
{
    xVec3* r26 = xEntGetCenter(p);
    xGridIterator it;
    S32 px, pz;

    xGridBound* cell = xGridIterFirstCell(grid, r26->x, r26->y, r26->z, px, pz, it);

    while (cell)
    {
        if (xQuickCullIsects(&p->bound.qcd, (xQCData*)(cell + 1)))
        {
            hitIt((xEnt*)cell->data, sc, p);
        }

        cell = xGridIterNextCell(it);
    }

    // non-matching: float scheduling

    F32 halfsizez = (grid->csizez * 0.5f);
    F32 halfsizex = (grid->csizex * 0.5f);

    F32 clcenterx = grid->csizex * px;
    F32 clcenterz = grid->csizez * pz;

    clcenterx += grid->minx;
    clcenterx += halfsizex;

    clcenterz += halfsizez;
    clcenterz += grid->minz;

    static S32 k;

    if (r26->x < clcenterx)
    {
        if (r26->z < clcenterz)
        {
            k = 0;
        }
        else
        {
            k = 1;
        }
    }
    else
    {
        if (r26->z < clcenterz)
        {
            k = 3;
        }
        else
        {
            k = 2;
        }
    }