private void OnPathChangedHandler()
{
Application.Current.Dispatcher.Invoke(() =>
{
ClearSprites();
var drawing = new DrawingVisual();
using (var context = drawing.RenderOpen())
{
context.DrawEllipse(Brushes.YellowGreen, null,
new Point(25, 25), 5, 5);
}
var source =
new RenderTargetBitmap(Constants.CellSize, Constants.CellSize, 96, 96, PixelFormats.Pbgra32);
source.Render(drawing);
foreach (var point in _ship.Path)
{
var pathSprite = new DrawnObjectViewModel(source)
{
X = point.X * Constants.CellSize,
Y = point.Y * Constants.CellSize
};
_pathSprites.Add(pathSprite);
OnSpriteAdded?.Invoke(this, pathSprite);
}
});
}
private void SpriteRemovedHandler(object sender, DrawnObjectViewModel e)
{
Application.Current.Dispatcher.Invoke(() =>
{
_drawableObjects.Remove(e);
OnPropertyChanged(nameof(DrawableObjects));
});
}
public void DrawMap(Map map)
{
var maxDepth = map.GetMaxDepth();
for (var x = 0; x < map.Width; x++)
{
for (var y = 0; y < map.Height; y++)
{
var cell = map.GetCell(new Point(x, y));
var drawing = new DrawingVisual();
SolidColorBrush brush;
if (cell.Depth > 0)
{
var depthCoefficient = cell.Depth / maxDepth;
var redValue = 255 - 255 * depthCoefficient;
brush = new SolidColorBrush(Color.FromArgb(255, (byte)redValue, 255, 0));
}
else
{
brush = new SolidColorBrush(Color.FromArgb(64, 255, 0, 0));
}
using (var context = drawing.RenderOpen())
{
context.DrawRectangle(brush, new Pen(Brushes.Black, 2),
new Rect(new GraphicsPoint(0, 0), new GraphicsPoint(Constants.CellSize, Constants.CellSize)));
var text = DrawingHelpers.GetFormattedText(cell.Depth.ToString(CultureInfo.CurrentCulture), 10, new SolidColorBrush(Colors.Black));
context.DrawText(text, new GraphicsPoint(10, 25));
}
var source = new RenderTargetBitmap(Constants.CellSize, Constants.CellSize, 96, 96, PixelFormats.Pbgra32);
source.Render(drawing);
var drawer = new DrawnObjectViewModel(source)
{
X = x * Constants.CellSize,
Y = y * Constants.CellSize
};
_drawableObjects.Add(drawer);
}
}
}
public ShipDrawerViewModel(Ship ship)
{
_ship = ship;
Sprites = new ObservableCollection <DrawnObjectViewModel>();
var source = GetImage();
_shipSprite = new DrawnObjectViewModel(source)
{
X = _ship.CurrentPosition.X * Constants.CellSize,
Y = _ship.CurrentPosition.Y * Constants.CellSize
};
_pathSprites = new List <DrawnObjectViewModel>();
Sprites.Add(_shipSprite);
_ship.OnMoved += ShipMovedHandler;
_ship.OnPathChanged += OnPathChangedHandler;
_ship.OnDirectionChanged += DirectionChangedHandler;
_ship.OnDie += DieHandler;
}
private void SpriteChangedHandler(object sender, DrawnObjectViewModel e)
{
throw new NotImplementedException();
}
