public DoorInstance(OrthogonalLine doorLine, Vector2Int facingDirection, RoomBase connectedRoom, RoomInstance connectedRoomInstance)
{
this.doorLine = doorLine;
this.facingDirection = facingDirection;
this.connectedRoom = connectedRoom;
this.connectedRoomInstance = connectedRoomInstance;
this.isHorizontal = FacingDirection == Vector2Int.up || FacingDirection == Vector2Int.down;
}
private static List <Vector3Int> GetTilesInsideOutline(RoomInstance roomInstance, bool useLocalPositions)
{
return(roomInstance
.OutlinePolygon
.GetAllPoints()
.Select(x => new Vector3Int(x.x, x.y, 0))
.Select(x => useLocalPositions ? x - roomInstance.Position : x)
.ToList());
}
/// <summary>
/// Copies tiles from a given room template to given destination tilemaps.
/// </summary>
/// <remarks>
/// One important aspect of this method is how to handle already existing tiles in destination tilemaps.
///
/// When deleteNonNullTiles is true, it computes all non-null positions across all layers in the room template.
/// After that, it deletes all tiles on these positions in destination tilemaps.
///
/// When deleteTilesInsideOutline is true, it computes all tiles inside the outline of the room template and
/// deletes them from the destination tilemaps.
/// So even if there is a hole inside the room template, the position is still removed.
///
/// deleteNonNullTiles and deleteTilesInsideOutline can be combined together.
/// </remarks>
/// <param name="roomInstance">Room instance to be copied to the destination tilemaps.</param>
/// <param name="destinationTilemaps">List of destination tilemaps.</param>
/// <param name="deleteNonNullTiles">Whether to delete non-null tiles from destination tilemaps.</param>
/// <param name="deleteTilesInsideOutline">Whether to delete all tiles insides the outline from destination tilemaps.</param>
public static void CopyTiles(RoomInstance roomInstance, List <Tilemap> destinationTilemaps, bool deleteNonNullTiles, bool deleteTilesInsideOutline)
{
var sourceTilemaps = RoomTemplateUtils.GetTilemaps(roomInstance.RoomTemplateInstance);
sourceTilemaps = RoomTemplateUtils.GetTilemapsForCopying(sourceTilemaps);
var tilesToRemove = new List <Vector3Int>();
if (deleteNonNullTiles)
{
var tiles = GetNonNullTiles(sourceTilemaps);
tilesToRemove.AddRange(tiles.Select(x => x + roomInstance.Position));
}
if (deleteTilesInsideOutline)
{
var tiles = GetTilesInsideOutline(roomInstance, false);
tilesToRemove.AddRange(tiles);
}
RemoveTiles(destinationTilemaps, tilesToRemove);
foreach (var sourceTilemap in sourceTilemaps)
{
var destinationTilemap = destinationTilemaps.FirstOrDefault(x => x.name == sourceTilemap.name);
if (destinationTilemap == null)
{
continue;
}
foreach (var tilemapPosition in sourceTilemap.cellBounds.allPositionsWithin)
{
var tile = sourceTilemap.GetTile(tilemapPosition);
if (tile != null)
{
destinationTilemap.SetTile(tilemapPosition + roomInstance.Position, tile);
destinationTilemap.SetTransformMatrix(tilemapPosition + roomInstance.Position, sourceTilemap.GetTransformMatrix(tilemapPosition));
}
}
}
}
/// <summary>
/// Copies tiles from a given room template to given destination tilemaps.
/// </summary>
/// <remarks>
/// One important aspect of this method is how to handle already existing tiles in destination tilemaps.
///
/// When deleteNonNullTiles is true, it computes all non-null positions across all layers in the room template.
/// After that, it deletes all tiles on these positions in destination tilemaps.
///
/// When deleteTilesInsideOutline is true, it computes all tiles inside the outline of the room template and
/// deletes them from the destination tilemaps.
/// So even if there is a hole inside the room template, the position is still removed.
///
/// deleteNonNullTiles and deleteTilesInsideOutline can be combined together.
/// </remarks>
/// <param name="roomInstance">Room instance to be copied to the destination tilemaps.</param>
/// <param name="destinationTilemaps">List of destination tilemaps.</param>
/// <param name="deleteNonNullTiles">Whether to delete non-null tiles from destination tilemaps.</param>
/// <param name="deleteTilesInsideOutline">Whether to delete all tiles insides the outline from destination tilemaps.</param>
public static void CopyTiles(RoomInstance roomInstance, List <Tilemap> destinationTilemaps, bool deleteNonNullTiles, bool deleteTilesInsideOutline)
{
PostProcessUtils.CopyTiles(roomInstance, destinationTilemaps, deleteNonNullTiles, deleteTilesInsideOutline);
}
private static DoorInstance TransformDoorInfo(LayoutDoorGrid2D <RoomBase> doorInfo, RoomInstance connectedRoomInstance)
{
var doorLine = doorInfo.DoorLine;
switch (doorLine.GetDirection())
{
case OrthogonalLineGrid2D.Direction.Right:
return(new DoorInstance(new OrthogonalLine(doorLine.From.ToUnityIntVector3(), doorLine.To.ToUnityIntVector3()), Vector2Int.up,
connectedRoomInstance.Room, connectedRoomInstance));
case OrthogonalLineGrid2D.Direction.Left:
return(new DoorInstance(new OrthogonalLine(doorLine.To.ToUnityIntVector3(), doorLine.From.ToUnityIntVector3()), Vector2Int.down,
connectedRoomInstance.Room, connectedRoomInstance));
case OrthogonalLineGrid2D.Direction.Top:
return(new DoorInstance(new OrthogonalLine(doorLine.From.ToUnityIntVector3(), doorLine.To.ToUnityIntVector3()), Vector2Int.left,
connectedRoomInstance.Room, connectedRoomInstance));
case OrthogonalLineGrid2D.Direction.Bottom:
return(new DoorInstance(new OrthogonalLine(doorLine.To.ToUnityIntVector3(), doorLine.From.ToUnityIntVector3()), Vector2Int.right,
connectedRoomInstance.Room, connectedRoomInstance));
default:
throw new ArgumentOutOfRangeException();
}
}
public static GeneratedLevel TransformLayout(LayoutGrid2D <RoomBase> layout, LevelDescription levelDescription, GameObject rootGameObject)
{
// var layoutCenter = GetLayoutCenter(layout);
var prefabToRoomTemplateMapping = levelDescription.GetPrefabToRoomTemplateMapping();
var corridorToConnectionMapping = levelDescription.GetCorridorToConnectionMapping();
// Prepare an object to hold instantiated room templates
var roomTemplateInstancesRoot = new GameObject(GeneratorConstants.RoomsRootName);
roomTemplateInstancesRoot.transform.parent = rootGameObject.transform;
// Initialize rooms
var layoutData = new Dictionary <RoomBase, RoomInstance>();
var layoutRooms = layout.Rooms.ToDictionary(x => x.Room, x => x);
foreach (var layoutRoom in layoutRooms.Values)
{
var roomTemplatePrefab = prefabToRoomTemplateMapping.GetByValue(layoutRoom.RoomTemplate);
// Instantiate room template
var roomTemplateInstance = Object.Instantiate(roomTemplatePrefab);
roomTemplateInstance.transform.SetParent(roomTemplateInstancesRoot.transform);
roomTemplateInstance.name = $"{layoutRoom.Room.GetDisplayName()} - {roomTemplatePrefab.name}";
// Compute correct room position
var position = layoutRoom.Position.ToUnityIntVector3();
roomTemplateInstance.transform.position = position;
// Correct the position based on the grid
// This is important when there is some cell spacing or when the level is isometric
var tilemapsHolder = roomTemplateInstance.transform.Find(GeneratorConstants.TilemapsRootName).gameObject;
if (tilemapsHolder != null)
{
var grid = tilemapsHolder.GetComponent <Grid>();
roomTemplateInstance.transform.position = grid.CellToLocal(position);
}
// Compute outline polygon
var polygon = new Polygon2D(layoutRoom.Outline + layoutRoom.Position);
var connection = layoutRoom.IsCorridor ? corridorToConnectionMapping[layoutRoom.Room] : null;
var roomInstance = new RoomInstance(layoutRoom.Room, layoutRoom.IsCorridor, connection, roomTemplatePrefab, roomTemplateInstance, position, polygon);
// Add room info to the GameObject
var roomInfo = roomTemplateInstance.GetComponent <RoomInfo>();
if (roomInfo != null)
{
PostProcessUtils.Destroy(roomInfo);
}
roomInfo = roomTemplateInstance.AddComponent <RoomInfo>();
roomInfo.RoomInstance = roomInstance;
layoutData.Add(layoutRoom.Room, roomInstance);
}
foreach (var roomInstance in layoutData.Values)
{
roomInstance.SetDoors(TransformDoorInfo(layoutRooms[roomInstance.Room].Doors, layoutData));
}
// Add level info
var levelInfo = rootGameObject.GetComponent <LevelInfo>();
if (levelInfo != null)
{
PostProcessUtils.Destroy(levelInfo);
}
levelInfo = rootGameObject.AddComponent <LevelInfo>();
levelInfo.RoomInstances = layoutData.Values.ToList();
return(new GeneratedLevel(layoutData, layout, rootGameObject));
}
