private static (ILine first, ILine second) GetOverlapping(ILine first, ILine second)
{
var firstOverlap = new Line();
var secondOverlap = new Line();
foreach (var firstTilePosition in first)
{
var secondTilePosition = second.FirstOrDefault(tilePosition => tilePosition.Coordinates.IsOverlapping(firstTilePosition.Coordinates));
if (secondTilePosition != default(TilePosition))
{
firstOverlap.Add(firstTilePosition);
secondOverlap.Add(secondTilePosition);
}
}
return(firstOverlap, secondOverlap);
}
private static Tiles ConnectDoorsViaConnectingLine(Tiles tilesWithUnconnectedDoors, ILine firstProjection, ILine secondProjection, ILine connectingLine)
{
var startOfConnectingLine = connectingLine.First();
var firstDoor = firstProjection.Single(tilePosition => tilesWithUnconnectedDoors.IsTileType <Door>(tilePosition.Coordinates));
var fromFirstToConnecting = ExtractLineBetween(firstProjection, firstDoor.Coordinates, startOfConnectingLine.Coordinates);
var endOfConnectingLine = connectingLine.Last();
var secondDoor = secondProjection.Single(tilePosition => tilesWithUnconnectedDoors.IsTileType <Door>(tilePosition.Coordinates));
var fromConnectingToSecond = ExtractLineBetween(secondProjection, secondDoor.Coordinates, endOfConnectingLine.Coordinates);
var finalRoute = new Line();
finalRoute.AddRange(fromFirstToConnecting);
finalRoute.AddRange(connectingLine.Select(Tunnel));
finalRoute.AddRange(fromConnectingToSecond);
var stateChange = finalRoute.ToTilesState();
var tilesWithNewlyConnectedDoors = tilesWithUnconnectedDoors.Clone(stateChange);
return(tilesWithNewlyConnectedDoors);
}
private static ILine ConnectProjections(Tiles tiles, Door firstDoor, Door secondDoor,
ILine firstProjection, ILine secondProjection, (Compass4Points first, Compass4Points second) directions)
