Method UpdateDoorView

editor/WorldObjectsDoorDialog.cpp:435–508

#define NUM_ANIM_FRAMES 30

void CWorldObjectsDoorDialog::UpdateDoorView(void) {
  int n = D3EditState.current_door;
  CWnd *doorwnd;
  RECT rect;
  int x, y, bm_handle, w, h;
  static int frame = 0, spin_frame = 0;
  static int last_door = -1;
  static int last_model_handle = -1;
  static int door_dir = 0;

  if (Num_doors < 1)
    return;

  if (door_dir == 0) {
    frame++;
    if (frame == NUM_ANIM_FRAMES) {
      frame = NUM_ANIM_FRAMES - 1;
      door_dir = 1;
    }
  } else {
    frame--;
    if (frame == -1) {
      frame = 0;
      door_dir = 0;
    }
  }

  doorwnd = GetDlgItem(IDC_DOORVIEW);
  doorwnd->GetWindowRect(&rect);
  ScreenToClient(&rect);

  Desktop_surf->attach_to_window((unsigned)m_hWnd);

  w = rect.right - rect.left;
  h = rect.bottom - rect.top;

  if (last_door != n || last_model_handle != Doors[n].model_handle) {
    Desktop_surf->clear(rect.left, rect.top, w, h);
    last_door = n;
    last_model_handle = Doors[n].model_handle;
  }

  bm_handle = GetDoorImage(n);

  vector zero_vector;
  vector view_vector = {0, 0, -20};
  matrix id_matrix, rot_matrix;
  poly_model *pm = GetPolymodelPointer(bm_handle);

  vm_MakeZero(&zero_vector);
  vm_MakeIdentity(&id_matrix);

  float norm_angles[30];

  for (int i = 0; i < 30; i++)
    norm_angles[i] = (float)frame / (float)NUM_ANIM_FRAMES;

  spin_frame++;