public Bitmap CreateBoardImage(GameStateDTO gs)
{
var adjustPoint = new Func<Contracts.PointDTO, Point>(p => new Point(p.X, gs.BoardSize.Height - 1 - p.Y));
var bitmap = new Bitmap(gs.BoardSize.Width*_cellOuterWidth + 1, gs.BoardSize.Height*_cellOuterWidth + 1);
using (var g = Graphics.FromImage(bitmap))
{
// background
g.FillRectangle(BackgroundBrush, 0, 0, bitmap.Width, bitmap.Height);
Enumerable.Range(0, gs.BoardSize.Width + 1)
.ToList()
.ForEach(x => g.DrawLine(_gridPen, x*_cellOuterWidth, 0, x*_cellOuterWidth, bitmap.Height));
Enumerable.Range(0, gs.BoardSize.Height + 1)
.ToList()
.ForEach(y => g.DrawLine(_gridPen, 0, y*_cellOuterWidth, bitmap.Width, y*_cellOuterWidth));
gs.Food.Select(adjustPoint).ToList().ForEach(location =>
{
var p = PointToGridCellCenter(location);
g.DrawLine(_foodPen, new PointF(p.X - 0.1f, p.Y), new PointF(p.X + 0.1f, p.Y));
});
gs.Walls.Select(adjustPoint).ToList()
.ForEach(
m =>
{
g.FillRectangle(_wallBrush, m.X*_cellOuterWidth + 1, m.Y*_cellOuterWidth + 1, _cellWidth,
_cellWidth);
});
var snakes = gs.Snakes.ToList();
for (var i = 0; i < snakes.Count; i++)
{
var snake = snakes[i];
var cells = snake.Cells.Select(adjustPoint).ToList();
var head = adjustPoint(snake.Head);
if (!snake.IsAlive)
{
DrawSnakeLine(cells, g, _deadSnakeOutlinePen);
}
var tailPens = _snakeTailPens[i%_snakeTailPens.Length];
// If snake weigth is less than half of it maximum weight it is drown with thinner body
var tailPen =
tailPens[Math.Min(tailPens.Length - 1, 2*tailPens.Length*snake.Weight/snake.MaxWeight)];
DrawSnakeLine(cells, g, tailPen);
// head
var p = PointToGridCellCenter(cells.Last());
g.DrawLine(tailPens.Last(), new PointF(p.X - 0.1f, p.Y), new PointF(p.X + 0.1f, p.Y));
g.DrawLine(_snakeHeadOverlayPen, new PointF(p.X - 0.1f, p.Y), new PointF(p.X + 0.1f, p.Y));
g.DrawString(snake.Id, _snakeHeadFont, HeadFontBrush,
new RectangleF(head.X*_cellOuterWidth + 1, head.Y*_cellOuterWidth + 1, _cellWidth,
_cellWidth),_headLabelStringFormat);
}
}
return bitmap;
}
private void DrawBoard(GameStateDTO gs)
{
pbGameView.Image?.Dispose();
if (gs == null)
{
pbGameView.Image = null;
}
else
{
pbGameView.Image = _visualiser.CreateBoardImage(gs);
}
}
