Function JoinRoomsExact

editor/HRoom.cpp:1516–1541

Connects two rooms if they already match up exactly Parameters: attroomp,attface - one end of the new room baseroom,baseface - the other end of the new room

// Parameters:	attroomp,attface - one end of the new room
//					baseroom,baseface - the other end of the new room
void JoinRoomsExact(room *attroomp, int attface, room *baseroomp, int baseface) {
  // Check that the two faces don't already have portals
  if (attroomp->faces[attface].portal_num != -1) {
    OutrageMessageBox("Cannot join: There is already a portal at %d:%d", ROOMNUM(attroomp), attface);
    return;
  }
  if (baseroomp->faces[baseface].portal_num != -1) {
    OutrageMessageBox("Cannot join: There is already a portal at %d:%d", ROOMNUM(baseroomp), baseface);
    return;
  }

  // Check if we can do an exact match
  if (!MatchPortalFaces(baseroomp, baseface, attroomp, attface, 1)) {
    OutrageMessageBox("Cannot do exact join: These faces do not match");
    return;
  }

  // Make the two faces match exactly
  MatchPortalFaces(baseroomp, baseface, attroomp, attface);

  // Create the portals between the rooms
  LinkRoomsSimple(Rooms, ROOMNUM(baseroomp), baseface, ROOMNUM(attroomp), attface);

  // Set Changed flag
  World_changed = 1;
}

bool FaceIsPlanar(int nv, int16_t *face_verts, vector *normal, vector *verts);