/// <summary>
/// Updates DirectX objects and calls.
/// Layers are updated first, then the derived control is updated.
/// </summary>
protected virtual void UpdateDx(RenderTime updateTime)
{
OnUpdating(updateTime);
lock (Layers)
{
Stopwatch sw = Stopwatch.StartNew();
foreach (var layer in Layers)
{
RenderProfile profile;
if (!ProfileStats.TryGetValue(layer.Name, out profile))
{
profile = new RenderProfile();
ProfileStats.Add(layer.Name, profile);
}
var start = sw.Elapsed;
layer.Update(updateTime);
profile.UpdateTime = (float)(sw.Elapsed - start).TotalMilliseconds;
}
}
// Update our derived control
OnUpdated(updateTime);
}
/// <summary>
/// Initialize graphics components when the control is created.
/// </summary>
protected override void OnCreateControl()
{
base.OnCreateControl();
if (DesignMode)
{
return;
}
_lastUpdate = DateTime.Now;
_renderTimer = new RenderTime();
_updateTimer = new RenderTime();
_renderDebugTimer = new RenderTime();
_updateDebugTimer = new RenderTime();
InitGraphics();
LoadContent();
RenderLoop();
}
/// <summary>
/// Local render. Performs timing calculations and debug rendering if required then calls <see cref="OnRendering"/> for inheriting controls. Presents the swap chain when ready.
/// </summary>
protected void Render(RenderTime renderTime)
{
if (!PresenterReady)
{
return;
}
// Update our derived control
RenderTarget2D.BeginDraw();
OnRendering(renderTime);
lock (Layers)
{
Stopwatch sw = Stopwatch.StartNew();
foreach (var layer in Layers)
{
RenderProfile profile;
if (!ProfileStats.TryGetValue(layer.Name, out profile))
{
profile = new RenderProfile();
ProfileStats.Add(layer.Name, profile);
}
var start = sw.Elapsed;
layer.Render(renderTime);
profile.RenderTime = (float)(sw.Elapsed - start).TotalMilliseconds;
}
sw.Stop();
}
OnRendered(renderTime);
RenderTarget2D.EndDraw();
OnRender3D();
_swapChain.Present(0, PresentFlags.None);
}
/// <summary>
/// Render cycle: only perform drawing code here. Use OnUpdateDx to perform calculations.
/// </summary>
protected virtual void OnRendered(RenderTime renderTime)
{
}
/// <summary>
/// Update cycle: perform calculations and update data here.
/// </summary>
protected virtual void OnUpdated(RenderTime updateTime)
{
}
