public void PlaceTile(Tile tile, FitProperties properties)
{
var spaceToRemove = spaces.FirstOrDefault(s => s.X == properties.Point.X && s.Y == properties.Point.Y);
var spacesAndTiles = spaces.Concat(playedTiles.Cast <Space>()).ToList();
var northSpace = spacesAndTiles.FirstOrDefault(s => s.X == properties.Point.X && s.Y == properties.Point.Y + 1);
var eastSpace = spacesAndTiles.FirstOrDefault(s => s.X == properties.Point.X + 1 && s.Y == properties.Point.Y);
var southSpace = spacesAndTiles.FirstOrDefault(s => s.X == properties.Point.X && s.Y == properties.Point.Y - 1);
var westSpace = spacesAndTiles.FirstOrDefault(s => s.X == properties.Point.X - 1 && s.Y == properties.Point.Y);
if (northSpace == null)
{
northSpace = new Space {
SouthTile = tile, X = properties.Point.X, Y = properties.Point.Y + 1
};
spaces.Add(northSpace);
}
if (eastSpace == null)
{
eastSpace = new Space {
WestTile = tile, X = properties.Point.X + 1, Y = properties.Point.Y
};
spaces.Add(eastSpace);
}
if (southSpace == null)
{
southSpace = new Space {
NorthTile = tile, X = properties.Point.X, Y = properties.Point.Y - 1
};
spaces.Add(southSpace);
}
if (westSpace == null)
{
westSpace = new Space {
EastTile = tile, X = properties.Point.X - 1, Y = properties.Point.Y
};
spaces.Add(westSpace);
}
northSpace.SouthTile = tile;
eastSpace.WestTile = tile;
southSpace.NorthTile = tile;
westSpace.EastTile = tile;
playedTiles.Add(tile);
tile.X = properties.Point.X;
tile.Y = properties.Point.Y;
tile.Rotation = properties.Rotation;
if (spaceToRemove != null)
{
spaces.Remove(spaceToRemove);
}
}
public IEnumerable<Follower> GetFollowers(FitProperties selectedPossibility)
{
var angle = 0.5 * Math.PI * (4.0 - (int)selectedPossibility.Rotation);
return followerPositions.Select(p => new Follower(Math.Cos(angle) * p.X + Math.Sin(angle) * p.Y, Math.Cos(angle) * p.Y - Math.Sin(angle) * p.X, p.FeatureType, p.FeatureNumber));
}