/// <summary>
/// Adds a request for the drawing to a render target to take place either at the end of this frame or at the
/// beginning of the next frame.
/// </summary>
protected void RequestRenderTargetDraw(TargetRenderRequest request)
{
if (request.RenderTarget == null)
{
Debug.Error("Null render target, cannot request draw.");
return;
}
renderTargetsToDraw.Add(request);
}
/// <summary>
/// Called whenever <see cref="RequestRenderTargetDraw(RenderTarget2D, bool)"/> is used to request a draw to a target.
/// All the draw code within this method (such as spritebatch.Draw(texture, pos, color)) will write to the render target and not to the screen.
/// Default implementation does nothing.
/// </summary>
/// <param name="target">The render target that is being drawn to.</param>
/// <param name="spr">The spritebatch you should draw with.</param>
/// <param name="isPreDraw">If true, this method is being called from before a draw call. If false, it is being called after a draw call.</param>
protected virtual void DrawRenderTarget(TargetRenderRequest request, SpriteBatch spr)
{
}