Method OnDraw

Descent3/pilot.cpp:3526–3604

}

void UI3DWindow::OnDraw() {
  AudioStream::Frame();

  static polymodel_effect pefx;

  vector viewer_eye = {0, 0, 0};
  matrix viewer_orient = IDENTITY_MATRIX;
  viewer_eye.z = -ship_pos.cam_dist;

  //	3d start frame
  //@@@@@StartFrame(m_X,m_Y,m_X+m_W-1,m_Y+m_H-1);
  g3_StartFrame(&viewer_eye, &viewer_orient, D3_DEFAULT_ZOOM);
  rend_SetFlatColor(0);

  if (ship_model == -1) {
    mprintf(0, "Shipmodel is -1\n");
    return;
  }

  float normalized_time[MAX_SUBOBJECTS];
  float light_scalar, size;
  PageInPolymodel(ship_model, OBJ_PLAYER, &size);
  poly_model *pm = GetPolymodelPointer(ship_model);
  vector view_pos;
  vector light_vec;
  matrix view_orient = IDENTITY_MATRIX;
  matrix rot_mat = IDENTITY_MATRIX;
  matrix final_mat = IDENTITY_MATRIX;

  //	draw model.
  SetNormalizedTimeAnim(0, normalized_time, pm);

  view_pos = pm->anim_size_offset;

  // move 30 degrees a sec
  float new_time = timer_GetTime();

  vm_AnglesToMatrix(&rot_mat, 0, (new_time - ship_pos.last_time) * (65535 / 360) * 30, 0);
  vm_MatrixMul(&view_orient, &rot_mat, &ship_pos.last_frame);
  vm_Orthogonalize(&view_orient);
  ship_pos.last_frame = view_orient;

  light_vec.x = 0.0f;
  light_vec.y = -1.0f;
  light_vec.z = -1.0f;
  light_scalar = 0.8f;
  vm_NormalizeVector(&light_vec);

  rend_SetZBufferState(1);
  rend_SetAlphaType(AT_CONSTANT_TEXTURE);
  rend_SetAlphaValue(255);
  rend_SetLighting(LS_NONE);
  rend_SetColorModel(CM_MONO);
  rend_SetOverlayType(OT_NONE);

  if (ship_pos.bm_handle > BAD_BITMAP_HANDLE) {
    if (ship_pos.texture_changed) {
      memset(&pefx, 0, sizeof(pefx));