Function InsertNodeIntoPath

editor/EPath.cpp:190–293

int InsertNodeIntoPath(int pathnum, int nodenum, int flags)
#else
int InsertNodeIntoPath(int pathnum, int nodenum, int flags, int roomnum, vector pos, matrix orient)
#endif
{
  int i;
  vector attempted_pos;

  fvi_query fq;
  fvi_info hit_info;

  if (Viewer_object->flags & OF_OUTSIDE_MINE) {
    OutrageMessageBox("Error: Must be in mine or on terrain to insert a node.");
    return -1;
  }

  if (GamePaths[pathnum].num_nodes >= MAX_NODES_PER_PATH) {
    OutrageMessageBox("Error: Path already has its maximum amount of nodes.");
    return -1;
  }

  // First, move all nodes up one
  for (i = GamePaths[pathnum].num_nodes - 1; i > nodenum; i--) {
    memcpy(&GamePaths[pathnum].pathnodes[i + 1], &GamePaths[pathnum].pathnodes[i], sizeof(node));
  }

#ifndef NEWEDITOR
  attempted_pos = Viewer_object->pos; // + Viewer_object->orient.fvec * 10.0;
#else
  attempted_pos = pos; // + Viewer_object->orient.fvec * 10.0;
#endif

#ifndef NEWEDITOR
  fq.p0 = &Viewer_object->pos;
  fq.startroom = Viewer_object->roomnum;
#else
  fq.p0 = &pos;
  fq.startroom = roomnum;
#endif
  fq.p1 = &attempted_pos;
  fq.rad = 0.0f;
  fq.thisobjnum = -1;
  fq.ignore_obj_list = NULL;
  fq.flags = FQ_TRANSPOINT | FQ_IGNORE_RENDER_THROUGH_PORTALS;

  fvi_FindIntersection(&fq, &hit_info);

  // Check if new node is valid
  if (nodenum >= 0) {
    fvi_query fq1;
    fvi_info hit_info1;

    fq1.p0 = &GamePaths[pathnum].pathnodes[nodenum].pos;
    fq1.startroom = GamePaths[pathnum].pathnodes[nodenum].roomnum;
    fq1.p1 = &hit_info.hit_pnt;
    fq1.rad = 0.0f;
    fq1.thisobjnum = -1;
    fq1.ignore_obj_list = NULL;
    fq1.flags = FQ_TRANSPOINT | FQ_IGNORE_RENDER_THROUGH_PORTALS;