public void OnLoop(FrameTime frameTime)
{
CurrentTimestamp = frameTime.TotalSeconds;
BeforeAll?.Invoke(frameTime);
BeforeUpdate?.Invoke(frameTime);
Update?.Invoke(frameTime);
AfterUpdate?.Invoke(frameTime);
BeforeRender?.Invoke(frameTime);
Render?.Invoke(frameTime);
AfterRender?.Invoke(frameTime);
AfterAll?.Invoke(frameTime);
}
protected virtual void OnAfterRender(EventArgs e) => AfterRender?.Invoke(this, e);
public void Render(RenderContext context)
{
if (!Visible)
{
return;
}
UpdateLayout();
var view = Rectangle.Intersect(context.View, Bounds);
if (view.Width == 0 || view.Height == 0)
{
return;
}
var batch = context.Batch;
var oldScissorRectangle = CrossEngineStuff.GetScissor();
if (ClipToBounds && !MyraEnvironment.DisableClipping)
{
var newScissorRectangle = Rectangle.Intersect(oldScissorRectangle, view);
if (newScissorRectangle.IsEmpty)
{
return;
}
context.Flush();
CrossEngineStuff.SetScissor(newScissorRectangle);
}
var oldOpacity = context.Opacity;
var oldView = context.View;
context.Opacity *= Opacity;
context.View = view;
BeforeRender?.Invoke(context);
// Background
var background = GetCurrentBackground();
if (background != null)
{
context.Draw(background, BackgroundBounds);
}
// Borders
var border = GetCurrentBorder();
if (border != null)
{
var borderBounds = BorderBounds;
if (BorderThickness.Left > 0)
{
context.Draw(border, new Rectangle(borderBounds.X, borderBounds.Y, BorderThickness.Left, borderBounds.Height));
}
if (BorderThickness.Top > 0)
{
context.Draw(border, new Rectangle(borderBounds.X, borderBounds.Y, borderBounds.Width, BorderThickness.Top));
}
if (BorderThickness.Right > 0)
{
context.Draw(border, new Rectangle(borderBounds.Right - BorderThickness.Right, borderBounds.Y, BorderThickness.Right, borderBounds.Height));
}
if (BorderThickness.Bottom > 0)
{
context.Draw(border, new Rectangle(borderBounds.X, borderBounds.Bottom - BorderThickness.Bottom, borderBounds.Width, BorderThickness.Bottom));
}
}
InternalRender(context);
AfterRender?.Invoke(context);
// Restore context settings
context.View = oldView;
context.Opacity = oldOpacity;
// Optional debug rendering
if (MyraEnvironment.DrawWidgetsFrames)
{
batch.DrawRectangle(Bounds, Color.LightGreen);
}
if (MyraEnvironment.DrawKeyboardFocusedWidgetFrame && IsKeyboardFocused)
{
batch.DrawRectangle(Bounds, Color.Red);
}
if (MyraEnvironment.DrawMouseWheelFocusedWidgetFrame && IsMouseWheelFocused)
{
batch.DrawRectangle(Bounds, Color.Yellow);
}
if (ClipToBounds && !MyraEnvironment.DisableClipping)
{
// Restore scissor
context.Flush();
CrossEngineStuff.SetScissor(oldScissorRectangle);
}
}
internal static void TrigAfterRender() => AfterRender?.Invoke();
