public void BuildRiver(IList<IRegion> regions)
{
IRegion firstRegion = regions.First();
int firstTile = new Random().Next(0, 9);
Position position = new Position(0, firstTile);
this.ConvertToWaterTile(firstRegion, 0, firstTile);
// "east", "north", "south"
ITile[,] tiles = this.ConvertRegions(regions);
foreach(River river in this._rivers)
{
foreach (Direction direction in river.Directions)
{
if (direction == Direction.North)
{
position.Y = position.Y - 1;
}
if (direction == Direction.South)
{
position.Y = position.Y + 1;
}
if (direction == Direction.East)
{
position.X = position.X + 1;
}
if (direction == Direction.West)
{
position.X = position.X - 1;
}
//if (position.X >= 0 && position.X < tiles.Length && position.Y >= 0 && position.Y < tiles.Length)
//{
IRegion region = this.GetRegion(regions, position.X, position.Y);
ITile tile = tiles[position.X, position.Y];
this.ConvertToWaterTile(region, tile.Position.X, tile.Position.Y);
//}
}
}
}
public IList<IRegion> GetRegions(int topLeftX, int topLeftY, int topRightX, int topRightY, int bottomLeftX, int bottomLeftY, int bottomRightX, int bottomRightY, IList<int> exclude)
{
IPosition topLeft = new Position(topLeftX, topLeftY);
IPosition topRight = new Position(topRightX, topRightY);
IPosition bottomLeft = new Position(bottomLeftX, bottomLeftY);
IPosition bottomRight = new Position(bottomRightX, bottomRightY);
return this._regionRepository.GetRegions(topLeft, topRight, bottomLeft, bottomRight, exclude);
}