private void GetScreenShotMapData(SceneNode node, ref ScreenShotData screenShotData)
{
var itemsOnMap = screenShotData.Items;
if (node is ContainerNode container)
{
foreach (var item in container.Slots)
{
if (item is LifeItem life)
{
var rectangle = this.GetLifeBoundingBox(life);
if (rectangle.HasValue)
{
itemsOnMap.Add(new TargetItem(life, rectangle.Value, RenderObjectType.Mob)
{
Id = life.ID
});
}
}
}
}
else
{
for (int i = 0, total = node.Nodes.Count; i < total; ++i)
{
GetScreenShotMapData(node.Nodes[i], ref screenShotData);
}
}
}
protected override void Draw(GameTime gameTime)
{
base.Draw(gameTime);
if (_screenShotStream != null)
{
ScreenShotHelper(_screenShotStream, gameTime);
_screenShotData = new ScreenShotData(new List <TargetItem>(), this.renderEnv.Camera.ClipRect);
GetScreenShotMapData(mapData.Scene, ref _screenShotData);
_screenShotStream = null;
}
}
/// <summary>
/// Take Screen, save image to stream, and return items info on the entire map.
/// </summary>
/// <param name="stream">Stream to save image</param>
public ScreenShotData TakeScreenShot(Stream stream)
{
_screenShotStream = stream;
while (_screenShotStream != null)
{
; //Wait next Draw(), yield to GetScreenShotMapData()
}
var ret = _screenShotData;
_screenShotData = null;
return(ret);
}