private void ExecuteChangeTemplate(object o)
{
if (!this.GameWorld.IsInAddMode)
{
var mouse = Mouse.GetPosition(this.PanelTiles);
var gameObjectViewModel = this.GameWorld.GameObjects.FirstOrDefault(x => IsMouseInGameObject(mouse, x));
if (gameObjectViewModel != null)
{
this.GameWorld.GameObjects.Remove(gameObjectViewModel);
var gameObjectDisplayImage = this.PanelGameObjects.Children.Cast<Image>().First(x => x.DataContext == gameObjectViewModel);
this.PanelGameObjects.Children.Remove(gameObjectDisplayImage);
}
}
else if (this.GameWorld.SelectedTemplateIndex < 4)
{
Vector position = (Vector)o;
byte x = Convert.ToByte(position.X);
byte y = Convert.ToByte(position.Y);
var cell = this.GameWorld.Cells.FirstOrDefault(c => c.TileX == x && c.TileY == y);
if (cell == null)
{
cell = new CellViewModel(new Cell() { TileX = x, TileY = y });
this.GameWorld.Cells.Add(cell);
}
cell.TemplateIndex = this.GameWorld.SelectedTemplateIndex;
}
else
{
var mouse = Mouse.GetPosition(this.PanelTiles);
var gameObjectViewModel = new GameObjectViewModel(new GameObject()) { TemplateIndex = this.GameWorld.SelectedTemplateIndex, X = Convert.ToInt32(mouse.X), Y = Convert.ToInt32(mouse.Y) };
this.GameWorld.GameObjects.Add(gameObjectViewModel);
DisplayGameObject(gameObjectViewModel);
}
}
private bool IsMouseInGameObject(Point mouse, GameObjectViewModel gameObject)
{
var templateComponent = this.GameWorld.Templates[gameObject.TemplateIndex].Components[0];
var gameObjectRect = new Rect(new Point(gameObject.X - templateComponent.Width / 2, gameObject.Y - templateComponent.Height / 2), new Vector(templateComponent.Width, templateComponent.Height));
return gameObjectRect.Contains(mouse);
}
private void DisplayGameObject(GameObjectViewModel gameObjectViewModel)
{
var image = new Image();
var template = this.GameWorld.Templates[gameObjectViewModel.TemplateIndex];
image.DataContext = gameObjectViewModel;
image.Width = template.Components[0].Width;
image.Height = template.Components[0].Height;
image.Opacity = template.Components[0].Alpha;
image.RenderTransform = new RotateTransform(( template.Angle / Math.PI ) * 180, image.Width / 2, image.Height / 2);
image.Source = template.BitmapImage;
image.Margin = new Thickness(gameObjectViewModel.X - image.Width / 2, gameObjectViewModel.Y - image.Height / 2, 0, 0);
image.HorizontalAlignment = HorizontalAlignment.Left;
image.VerticalAlignment = VerticalAlignment.Top;
this.PanelGameObjects.Children.Add(image);
}
