Function ShowRadView

editor/TextureGrWnd.cpp:1649–1683

Shows radiosity progress in the texture window. This function needs to go in this file because of the stupid MFC problems that occur if you try to access MFC member variables from a non- MFC file

// problems that occur if you try to access MFC member variables from a non-
// MFC file
void ShowRadView() {
  grSurface *cur_surf;
  int i, t;

  CTextureGrWnd *tview = theApp.textured_view;

  cur_surf = rad_Viewport->lock();
  uint16_t *dest = (uint16_t *)cur_surf->data();
  int rowsize = cur_surf->rowsize() / 2;

  int height = cur_surf->height();
  int width = cur_surf->width();

  fix du = IntToFix(rad_Hemicube.ff_res) / cur_surf->width();
  fix dv = IntToFix(rad_Hemicube.ff_res) / cur_surf->height();
  fix u, v;

  for (v = 0, i = 0; i < height; i++, v += dv)
    for (u = 0, t = 0; t < width; t++, u += du) {
      int x = FixToInt(u);
      int y = FixToInt(v);

      int color = rad_Hemicube.id_grid[y * rad_Hemicube.ff_res + x];
      if (color == -1)
        dest[i * rowsize + t] = 0;
      else
        dest[i * rowsize + t] = GR_COLOR_TO_16(color);
    }

  rad_Viewport->unlock();
  tview->Invalidate();
  tview->SendMessage(WM_PAINT);

  World_changed = 1;
}