Function render_flatdelta

source/src/rendercubes.cpp:254–300

}

void render_flatdelta(int wtex, int x, int y, int size, float h1, float h4, float h3, float h2, sqr *l1, sqr *l4, sqr *l3, sqr *l2, bool isceil)  // floor/ceil quads on a slope
{
    if(showmipstats) { l3 = l1 = &sbright; l4 = l2 = &sdark; }

    Texture *t = lookupworldtexture(wtex);
    float xf = TEXTURESCALE/t->xs;
    float yf = TEXTURESCALE/t->ys;
    float xs = size*xf;
    float ys = size*yf;
    float xo = xf*x;
    float yo = yf*y;

    bool first = striptype!=STRIP_DELTA || x!=ox+size || striptex!=wtex || y!=oy;

    if(first)
    {
        stripend(verts);
        firstindex = verts.length();
        striptex = wtex;
        oy = y;
        striptype = STRIP_DELTA;
        if(isceil)
        {
            vert(x, y,      h1, l1, xo, yo);
            vert(x, y+size, h2, l2, xo, yo+ys);
        }
        else
        {
            vert(x, y+size, h2, l2, xo, yo+ys);
            vert(x, y,      h1, l1, xo, yo);
        }
    }

    if(isceil)
    {
        vert(x+size, y,      h4, l4, xo+xs, yo);
        vert(x+size, y+size, h3, l3, xo+xs, yo+ys);
    }
    else
    {
        vert(x+size, y+size, h3, l3, xo+xs, yo+ys);
        vert(x+size, y,      h4, l4, xo+xs, yo);
    }

    ox = x;
    nquads++;
}

void render_2tris(sqr *h, sqr *s, int x1, int y1, int x2, int y2, int x3, int y3, sqr *l1, sqr *l2, sqr *l3)   // floor/ceil tris on a corner cube
{