Example #1
0
        public int Pack(out List <PlacedObject> placedObjs,
                        List <PlaceableObject> objectsToPlace, bool[,] roomLayout,
                        PlacementScoreRequirement scoreReq = PlacementScoreRequirement.DontCare, bool includeDistance = false, float acceptProbability = 1f)
        {
            var templateRoom = new Room(roomLayout, _freeBoolValue);
            var roomIds      = objectsToPlace.SelectMany(obj => obj.RoomsIn).Distinct();
            var rooms        = new Dictionary <int, Room>();

            foreach (var r in roomIds)
            {
                var room = templateRoom.CloneBase();
                room.Id  = r;
                rooms[r] = room;
            }

            // sort objectsByScore
            var objectsToPlaceSorted = objectsToPlace.OrderBy(
                obj => - obj.TilesNeeded * obj.RoomsIn.Count
                );

            // pack objects
            placedObjs = new List <PlacedObject>();
            foreach (var obj in objectsToPlaceSorted)
            {
                IRoom objRooms = new RoomCollection(obj.RoomsIn.Select(roomId => rooms[roomId]));

                RectanglePlacer placer = new RectanglePlacer(objRooms);

                var placedObj = placer.Place(obj, scoreReq, includeDistance, acceptProbability);

                if (placedObj == null)
                {
                    placedObjs = null;
                    return(int.MaxValue);
                }

                placedObjs.Add(placedObj);
            }

            Debug.Assert(placedObjs.Count == objectsToPlace.Count);

            var score = placedObjs.Sum(placedObj => placedObj.WallScore);

            //UnityEngine.Debug.Log("[RectPlacer] Finished First Fit");
            //UnityEngine.Debug.Log("[RectPlacer] WallScore: " + score);
            //Helper.PrintToConsole(placedObjs);

            return(score);
        }
Example #2
0
        public PlacedObject Place(PlaceableObject obj, PlacementScoreRequirement scoreReq)
        {
            if (scoreReq != PlacementScoreRequirement.DontCare)
            {
                throw new NotImplementedException();
            }

            var tilesNotAvailable = Helper.Copy(_templateRoom.RoomLayout);

            foreach (var tileIndex in _templateRoom.AvailableTileIndices())
            {
                if (!_room.TileAvailable(tileIndex.X, tileIndex.Y))
                {
                    tilesNotAvailable[tileIndex.X, tileIndex.Y] = true;
                }
            }

            PlacedObject placedObj = null;

            for (var w = 0; placedObj == null && w < _room.Width; w++)
            {
                for (var h = 0; placedObj == null && h < _room.Height; h++)
                {
                    if (Fits(tilesNotAvailable, w, h, obj.Dimensions.X, obj.Dimensions.Y))
                    {
                        placedObj = new PlacedObject(obj, new Vector(w, h), false);
                    }

                    if (placedObj == null &&
                        obj.Dimensions.X != obj.Dimensions.Y &&
                        Fits(tilesNotAvailable, w, h, obj.Dimensions.Y, obj.Dimensions.X))
                    {
                        placedObj = new PlacedObject(obj, new Vector(w, h), true);
                    }
                }
            }

            return(placedObj);
        }
        public PlacedObject Place(PlaceableObject obj,
                                  PlacementScoreRequirement scoreReq, bool includeDistance,
                                  float acceptProbability = 1f)
        {
            _includeDistance    = includeDistance;
            _scoreReq           = scoreReq;
            _bestPlacementSoFar = null;
            _acceptProbability  = acceptProbability;

            var maxObjectSize = new List <Vector> [_room.Width, _room.Height];

            // dynamic algorithm for determining fit
            // first row
            for (int w = 0, maxWidth = 0; w < _room.Width; w++)
            {
                if (_room.TileAvailable(w, 0))
                {
                    maxWidth++;
                    _addSingle(maxObjectSize, w, 0, maxWidth, 1);
                }
                else
                {
                    maxWidth = 0;
                }

                var placed = _tryPlaceObject(maxObjectSize, w, 0, obj);
                if (placed != null)
                {
                    placed.AddToRooms();
                    return(placed);
                }
            }

            // first column
            for (int h = 0, maxHeight = 0; h < _room.Height; h++)
            {
                if (_room.TileAvailable(0, h))
                {
                    maxHeight++;
                    _addSingle(maxObjectSize, 0, h, 1, maxHeight);
                }
                else
                {
                    maxHeight = 0;
                }

                var placed = _tryPlaceObject(maxObjectSize, 0, h, obj);
                if (placed != null)
                {
                    placed.AddToRooms();
                    return(placed);
                }
            }

            // rest of the 2d array
            for (int h = 1; h < _room.Height; h++)
            {
                for (int w = 1, lastSmallestWidth = _room.TileAvailable(0, h) ? 1 : 0; w < _room.Width; w++)
                {
                    if (_room.TileAvailable(w, h))
                    {
                        lastSmallestWidth++;

                        _addBasedOnNeighborsForAllDirections(maxObjectSize, w, h, lastSmallestWidth);

                        var placed = _tryPlaceObject(maxObjectSize, w, h, obj);
                        if (placed != null)
                        {
                            placed.AddToRooms();
                            return(placed);
                        }
                    }
                    else
                    {
                        lastSmallestWidth = 0;
                    }
                }
            }

            if (_bestPlacementSoFar != null)
            {
                _bestPlacementSoFar.AddToRooms();
                return(_bestPlacementSoFar);
            }

            return(null);
        }
Example #4
0
 public void GivenPlacementScoreRequirement(PlacementScoreRequirement scoreReq)
 {
     _placementScoreReq = scoreReq;
 }