Function EBNode_DetermineMaxSizeForEdge

editor/ebnode.cpp:785–828

}

float EBNode_DetermineMaxSizeForEdge(int spnt, int sroom, int epnt, int eroom) {
  bn_list *snlist;
  snlist = BNode_GetBNListPtr(sroom);
  bn_list *enlist;
  enlist = BNode_GetBNListPtr(eroom);

  float size = 0.0f;
  fvi_info hit_info;
  fvi_query fq;
  int fate;

  // shoot a ray from the light position to the current vertex
  fq.flags = FQ_IGNORE_RENDER_THROUGH_PORTALS;
  fq.thisobjnum = -1;
  fq.ignore_obj_list = NULL;

  do {
    fq.p0 = &snlist->nodes[spnt].pos;
    fq.p1 = &enlist->nodes[epnt].pos;
    fq.startroom = (sroom > Highest_room_index && sroom <= Highest_room_index + 8)
                       ? GetTerrainRoomFromPos(&snlist->nodes[spnt].pos)
                       : sroom;
    fq.rad = size;

    fate = fvi_FindIntersection(&fq, &hit_info);

    if (fate == HIT_NONE) {
      fq.p0 = &enlist->nodes[epnt].pos;
      fq.p1 = &snlist->nodes[spnt].pos;
      fq.startroom = (eroom > Highest_room_index && eroom <= Highest_room_index + 8)
                         ? GetTerrainRoomFromPos(&enlist->nodes[epnt].pos)
                         : eroom;
      fq.rad = size;

      fate = fvi_FindIntersection(&fq, &hit_info);
    }

    if (fate == HIT_NONE) {
      size += 1.0f;
    }
  } while (fate == HIT_NONE && size < MAX_BNODE_SIZE + 1.0f);

  return (size - 1.0f);
}

void EBNode_AutoEdgeNode(int spnt, int sroom) {
  BNode_verified = false;