public virtual FloorPathBranch <T> .ListPathBranchExpansion?ChooseRoomExpansion(IRandom rand, FloorPlan floorPlan) { List <RoomHallIndex> availableExpansions = new List <RoomHallIndex>(); for (int ii = 0; ii < floorPlan.RoomCount; ii++) { if (!BaseRoomFilter.PassesAllFilters(floorPlan.GetRoomPlan(ii), this.Filters)) { continue; } availableExpansions.Add(new RoomHallIndex(ii, false)); } for (int ii = 0; ii < floorPlan.HallCount; ii++) { if (!BaseRoomFilter.PassesAllFilters(floorPlan.GetHallPlan(ii), this.Filters)) { continue; } availableExpansions.Add(new RoomHallIndex(ii, true)); } return(FloorPathBranch <T> .ChooseRoomExpansion(this.PrepareRoom, this.HallPercent, rand, floorPlan, availableExpansions)); }