Function g3_DrawPoly

renderer/HardwareDraw.cpp:145–232

draw a polygon Parameters: nv - the number of verts in the poly pointlist - a pointer to a list of pointers to points bm - the bitmap handle if texturing. ignored if flat shading Returns 0 if clipped away

//					bm - the bitmap handle if texturing.  ignored if flat shading
// Returns 0 if clipped away
int g3_DrawPoly(int nv, g3Point **pointlist, int bm, int map_type, g3Codes *clip_codes) {
  rend_DrawPolygon3D(bm, pointlist, nv, map_type);
  return 1;

  /*
  int i;
  g3Codes cc;
  bool was_clipped=0;

  if( Triangulate_test && (nv > 3) )
  {
          g3Point *tripoints[3];
          int sum=0;

          for (i=0;i<nv-2;i++)
          {
                  tripoints[0] = pointlist[0];
                  tripoints[1] = pointlist[i+1];
                  tripoints[2] = pointlist[i+2];
                  sum += g3_DrawPoly( 3, tripoints, bm, map_type );
          }

          return sum;
  }

  //Initialize or just used the ones passed in
  if( clip_codes )
  {
          cc = *clip_codes;
  }
  else
  {
          cc.cc_or  = 0;
          cc.cc_and = 0xff;

          //Get codes for this polygon, and copy uvls into points
          for( i = 0; i < nv; ++i )
          {
                  uint8_t c = pointlist[i]->p3_codes;
                  cc.cc_and &= c;
                  cc.cc_or  |= c;
          }
  }

  //All points off screen?
  if( cc.cc_and )
          return 0;

  //One or more point off screen, so clip
  if( cc.cc_or )
  {
          //Clip the polygon, getting pointer to new buffer
          pointlist = g3_ClipPolygon( pointlist, &nv, &cc );

          //Flag as clipped so temp points will be freed
          was_clipped = 1;

          //Check for polygon clipped away, or clip otherwise failed