Function SizeRoomVertices

editor/roomkeypaddialog.cpp:677–704

Goes through all the vertices in the room and scales them by scale_factor

// Goes through all the vertices in the room and scales them by scale_factor
void SizeRoomVertices(room *rp, float scale_factor) {
  vector room_center;
  vector vec;
  int portal_list[MAX_VERTS_PER_ROOM];
  int i, t, ok_to_scale;
  int num_portal_verts;

  ASSERT(rp->used > 0);

  num_portal_verts = BuildListOfPortalVerts(rp, portal_list);

  ComputeRoomCenter(&room_center, rp);

  for (i = 0; i < rp->num_verts; i++) {
    for (ok_to_scale = 1, t = 0; t < num_portal_verts; t++) {
      if (portal_list[t] == i) {
        ok_to_scale = 0;
        break;
      }
    }

    if (ok_to_scale) {
      vec = rp->verts[i] - room_center;
      vec *= scale_factor;
      rp->verts[i] = vec + room_center;
    }
  }
}

// Goes through all the vertices in a face and scales them by scale_factor
void SizeFaceVertices(room *rp, int facenum, float scale_factor) {