Function loopi

source/src/worldlight.cpp:51–66

            b /= lightscale;
            stepb /= lightscale;
            loopi(steps)
            {
                sqr *s = S(x>>PRECBITS, y>>PRECBITS);
                s->r = min((l>>PRECBITS)+s->r, 255);
                s->g = min((g>>PRECBITS)+s->g, 255);
                s->b = min((b>>PRECBITS)+s->b, 255);
                if(SOLID(s)) return;
                x += stepx;
                y += stepy;
                l -= stepl;
                g -= stepg;
                b -= stepb;
                stepl -= 25;
                stepg -= 25;
                stepb -= 25;
            }
        }
        else        // white light, special optimized version
        {