Method UpdateMegacellView

editor/MegacellDialog.cpp:892–960

}

void CMegacellDialog::UpdateMegacellView() {
  int n = D3EditState.current_megacell;
  CWnd *texwnd;
  RECT rect;
  int x, y, bm_handle, w, h;
  int megawidth = Megacells[n].width;
  int megaheight = Megacells[n].height;
  int i, t;

  Desktop_surf->attach_to_window((unsigned)m_hWnd);

  texwnd = GetDlgItem(IDC_MEGACELL_VIEW);
  texwnd->GetWindowRect(&rect);
  ScreenToClient(&rect);
  w = rect.right - rect.left;
  h = rect.bottom - rect.top;

  int texwidth = w / megawidth;
  int texheight = h / megaheight;

  // Don't have to clear if we're overwriting the whole area!
  // if (megawidth<8 || megaheight<8)
  //	Desktop_surf->clear(rect.left,rect.top,w,h);

  for (i = 0; i < megaheight; i++) {
    for (t = 0; t < megawidth; t++) {
      m_TextureSurf.create(texwidth, texheight, BPP_16);

      bm_handle = GetTextureBitmap(Megacells[n].texture_handles[i * MAX_MEGACELL_WIDTH + t], 0);
      m_TextureSurf.load(bm_handle);

      x = 1 + rect.left + (t * texwidth);
      y = 1 + rect.top + (i * texheight);

      if (m_CheckForTextureList) {

        if (m_CheckX >= x && m_CheckX <= (x + texwidth) && m_CheckY >= y && m_CheckY <= (y + texheight)) {
          m_CheckForTextureList = 0;
          Megacells[n].texture_handles[i * MAX_MEGACELL_WIDTH + t] = D3EditState.texdlg_texture;
          m_TextureSurf.free();
          Desktop_surf->attach_to_window((unsigned)NULL);
          UpdateDialog();
          return;
        }
      }

      // Draw a separation line on the right and bottom side
      {
        grViewport *vport = new grViewport(&m_TextureSurf);

        int x = 0, y = 0;

        vport->lock();
        vport->line(GR_RGB(0, 0, 0), 0, vport->height() - 1, vport->width() - 1, vport->height() - 1);
        vport->line(GR_RGB(0, 0, 0), vport->width() - 1, 0, vport->width() - 1, vport->height() - 1);

        vport->unlock();
        delete vport;