save_icon.nut

const SaveIconDisplayTime = 1.25;
const SaveIconFadeTime = 0.75;

if ( CLIENT_DLL )
{
	local Time = Time;
	local panel, dieTime = 0.0;
	local ThinkFadeOut = function(w)
	{
		local a = 1.0 - (Time() - dieTime) / SaveIconFadeTime;
		if ( a > 0.0 )
		{
			SetAlpha( a * 255.0 );
			return 0.0;
		}
		return Destroy();
	}

	Hooks.Add( this, "OnSave", function()
	{
		dieTime = Time() + SaveIconDisplayTime;

		if ( panel && panel.IsValid() )
		{
			panel.SetAlpha( 255 );
		}
		else
		{
			local size = YRES(22);
			panel = vgui.CreatePanel( "ImagePanel", vgui.GetRootPanel(), "SaveIcon" );
			panel.MakeReadyForUse();
			panel.SetPos( XRES(640) - size - XRES(64), YRES(64) );
			panel.SetSize( size, size );
			panel.SetImage( "vgui/hud/spinner_saving_anim", false ); // from Portal 2
			panel.SetShouldScaleImage( true );

			Entities.First().SetContextThink( "SaveIconThinkFadeOut", ThinkFadeOut.bindenv(panel), SaveIconDisplayTime );
		}
	}, "SaveIcon" );
}