Function LoadTelcomBitmap

Descent3/TelCom.cpp:1044–1086

}

int LoadTelcomBitmap(const char *filename, chunked_bitmap *chunk) {
  int bm_handle = bm_AllocLoadFileBitmap(IGNORE_TABLE(filename), 0);
  if (bm_handle == -1)
    return 0;

  // make monitor windows transparent
  menutga_LoadHotSpotMap(bm_handle, IGNORE_TABLE(HOTSPOT_DISPLAY), &hotspotmap, &windowmap);

  uint16_t *data = bm_data(bm_handle, 0);
  int wnd, x, y, bmw;
  int bord_left, bord_right, bord_top, bord_bottom;

  bmw = bm_w(bm_handle, 0);

  int starty, startx, endy, endx;
  for (wnd = 0; wnd < windowmap.num_of_windows; wnd++) {
    bord_left = windowmap.wm[wnd].l_start_x - windowmap.wm[wnd].x;
    bord_right = windowmap.wm[wnd].x + windowmap.wm[wnd].width - windowmap.wm[wnd].r_end_x;
    bord_top = windowmap.wm[wnd].t_top_y - windowmap.wm[wnd].y;
    bord_bottom = windowmap.wm[wnd].y + windowmap.wm[wnd].height - windowmap.wm[wnd].b_bottom_y;

    starty = windowmap.wm[wnd].y + bord_top;
    endy = windowmap.wm[wnd].y + windowmap.wm[wnd].height - bord_bottom;
    startx = windowmap.wm[wnd].x + bord_left;
    endx = windowmap.wm[wnd].x + windowmap.wm[wnd].width - bord_right;
    for (y = starty; y < endy; y++)
      for (x = startx; x < endx; x++) {
        data[y * bmw + x] = NEW_TRANSPARENT_COLOR;
      }
  }

  FreeHotSpotMapInternals(&hotspotmap);
  FreeViewports();
  if (windowmap.wm)
    mem_free(windowmap.wm);

  bm_CreateChunkedBitmap(bm_handle, chunk);

  if (bm_handle > BAD_BITMAP_HANDLE)
    bm_FreeBitmap(bm_handle);

  return 1;
}

#define MAINMENU_BUTTON "TelComMenuButton.ogf"
#define MAINMENU_BUTTONGLOW "TelComMenuButtonGlow.ogf"