Color Texture4D::getNearest(double dx, double dy, double dz, double dw) const {
if (dx < 0.0)
dx = 0.0;
if (dx > 1.0)
dx = 1.0;
if (dy < 0.0)
dy = 0.0;
if (dy > 1.0)
dy = 1.0;
if (dz < 0.0)
dz = 0.0;
if (dz > 1.0)
dz = 1.0;
if (dw < 0.0)
dw = 0.0;
if (dw > 1.0)
dw = 1.0;
int ix = trunc_to_int(dx * to_double(this->xsize - 1));
int iy = trunc_to_int(dy * to_double(this->ysize - 1));
int iz = trunc_to_int(dz * to_double(this->zsize - 1));
int iw = trunc_to_int(dw * to_double(this->wsize - 1));
assert(ix >= 0 && ix < this->xsize);
assert(iy >= 0 && iy < this->ysize);
assert(iz >= 0 && iz < this->zsize);
assert(iw >= 0 && iw < this->wsize);
return this
->data[iw * this->xsize * this->ysize * this->zsize + iz * this->xsize * this->ysize + iy * this->xsize + ix];
}
void SoftwareRenderer::setQuality(double quality) {
terrain_renderer->setQuality(quality);
clouds_renderer->setQuality(quality);
godrays->setQuality(quality);
// TEMP compat with old code
render_quality = trunc_to_int(quality * 9.0) + 1;
}
