public override bool Place(Container2D <GenSpace> grid, LayoutObject obj, Theme theme, Random rand, out Boxing placed) { int max = Math.Max(GridWidth, GridLength); List <Boxing> options = new List <Boxing>( grid.FindBoxes( GridWidth, GridLength, GridLocation.TOP, new BoxedAction <GenSpace>( frontTest.And(Draw.ContainedIn(obj)), unitTest), true, true, obj.Bounding.Expand(max)) .Filter((box) => { Counter counter = new Counter(); bool ret = grid.DrawEdge(box, box.Front, Draw.HasAround(false, Draw.And(Draw.IsType <GenSpace>(GridType.Floor), Draw.Count <GenSpace>(counter)). Or(Draw.Walkable()))); return(ret && counter > 0); })); if (options.Count == 0) { placed = null; return(false); } #region DEBUG if (BigBoss.Debug.logging(Logs.LevelGen) && BigBoss.Debug.Flag(DebugManager.DebugFlag.FineSteps)) { BigBoss.Debug.w(Logs.LevelGen, "Options:"); foreach (Boxing boxing in options) { MultiMap <GenSpace> tmp = new MultiMap <GenSpace>(); tmp.PutAll(obj); tmp.DrawRect(boxing, Draw.SetTo(GridType.INTERNAL_RESERVED_CUR, theme)); tmp.DrawEdge(boxing, boxing.Front, Draw.SetTo(GridType.INTERNAL_RESERVED_BLOCKED, theme)); tmp.ToLog(Logs.LevelGen); } } #endregion // Place startpoints placed = options.Random(rand); obj.DrawEdge(placed, placed.Front, Draw.Around(false, Draw.IsType <GenSpace>(GridType.Floor).IfThen(Draw.SetTo(GridType.StairPlace, theme)))); return(true); }