public override void Draw(SpriteBatch spriteBatch, GameTime gameTime)
{
if (SelectedGameObjects.Count > 0)
{
foreach (var selectedGameObject in SelectedGameObjects)
{
if (SimulationGame.VisibleArea.Contains(selectedGameObject.Position))
{
var worldDrawPosition = Rectangle.Empty;
if (selectedGameObject is AmbientObject)
{
var gameObject = (AmbientObject)selectedGameObject;
worldDrawPosition = new Rectangle((int)(gameObject.Position.X - gameObject.GetObjectType().SpriteOrigin.X), (int)(gameObject.Position.Y - gameObject.GetObjectType().SpriteOrigin.Y), gameObject.GetObjectType().SpriteBounds.X, gameObject.GetObjectType().SpriteBounds.Y);
}
else if (selectedGameObject is AmbientHitableObject)
{
var gameObject = (AmbientHitableObject)selectedGameObject;
worldDrawPosition = new Rectangle((int)(gameObject.Position.X - gameObject.GetObjectType().SpriteOrigin.X), (int)(gameObject.Position.Y - gameObject.GetObjectType().SpriteOrigin.Y), gameObject.GetObjectType().SpriteBounds.X, gameObject.GetObjectType().SpriteBounds.Y);
}
else if (selectedGameObject is LivingEntity)
{
var gameObject = (LivingEntity)selectedGameObject;
worldDrawPosition = new Rectangle((int)(gameObject.Position.X - gameObject.GetObjectType().SpriteOrigin.X), (int)(gameObject.Position.Y - gameObject.GetObjectType().SpriteOrigin.Y), gameObject.GetObjectType().SpriteBounds.X, gameObject.GetObjectType().SpriteBounds.Y);
}
var uiPosition = SimulationGame.ConvertWorldPositionToUIPosition(worldDrawPosition.X, worldDrawPosition.Y);
SimulationGame.PrimitiveDrawer.Rectangle(new Rectangle((int)uiPosition.X, (int)uiPosition.Y, worldDrawPosition.Width, worldDrawPosition.Height), Color.Yellow);
}
}
}
else if (SelectedBlockType != null)
{
var uiPosition = SimulationGame.ConvertWorldPositionToUIPosition(SelectedBlockPosition.X * WorldGrid.BlockSize.X, SelectedBlockPosition.Y * WorldGrid.BlockSize.Y);
SimulationGame.PrimitiveDrawer.Rectangle(new Rectangle((int)uiPosition.X, (int)uiPosition.Y, WorldGrid.BlockSize.X, WorldGrid.BlockSize.Y), Color.Blue);
}
else if (SelectedWorldLink != null)
{
var uiPosition = SimulationGame.ConvertWorldPositionToUIPosition(SelectedWorldLink.FromBlock.X * WorldGrid.BlockSize.X, SelectedWorldLink.FromBlock.Y * WorldGrid.BlockSize.Y);
SimulationGame.PrimitiveDrawer.Rectangle(new Rectangle((int)uiPosition.X, (int)uiPosition.Y, WorldGrid.BlockSize.X, WorldGrid.BlockSize.Y), Color.Orange);
}
if (startDragPosition != null)
{
var _startDragPosition = startDragPosition ?? Point.Zero;
var uiStartDragPosition = SimulationGame.ConvertWorldPositionToUIPosition(_startDragPosition.X, _startDragPosition.Y).ToPoint();
var selectionRect = ShapeCollision.ConvertLineToRect(uiStartDragPosition, SimulationGame.MouseState.Position);
if (selectionRect.Width > 20 || selectionRect.Height > 20)
{
SimulationGame.PrimitiveDrawer.Rectangle(selectionRect.ToXnaRectangle(), Color.White);
}
}
}
private void handleOnMouseMove(MouseMoveEvent mouseMoveEvent)
{
if (mouseMoveEvent.LeftButtonDown && startDragPosition == null)
{
startDragPosition = SimulationGame.RealWorldMousePosition.ToPoint();
}
if (mouseMoveEvent.LeftButtonDown == false && startDragPosition != null)
{
selectGameObjects(ShapeCollision.ConvertLineToRect(startDragPosition ?? Point.Zero, SimulationGame.RealWorldMousePosition.ToPoint()));
startDragPosition = null;
}
}
