OpenBve.TextureManager.Update C# (CSharp) Method

		internal static void Update(double TimeElapsed)
		{
			CycleTime += TimeElapsed;
			if (CycleTime >= CycleInterval)
			{
				CycleTime = 0.0;
				for (int i = 0; i < Textures.Length; i++)
				{
					if (Textures[i] != null)
					{
						if (Textures[i].Loaded & !Textures[i].DontAllowUnload)
						{
							Textures[i].CyclesSurvived++;
							if (Textures[i].CyclesSurvived >= 2)
							{
								Textures[i].Queried = false;
							}
							if (Textures[i].CyclesSurvived >= MaxCyclesUntilUnload)
							{
								UnuseTexture(i);
							}
						}
						else
						{
							Textures[i].CyclesSurvived = 0;
						}
					}
				}
			}
		}

        //This renders the frame
        protected override void OnRenderFrame(FrameEventArgs e)
        {
            Game.InfoFrameRate = RenderFrequency;
            GL.ClearColor(0.75f, 0.75f, 0.75f, 1.0f);
            //Do not do anything whilst loading
            if (currentlyLoading)
            {
                System.Threading.Thread.Sleep(10);
                return;
            }
            ProcessEvents();
            double TimeElapsed = CPreciseTimer.GetElapsedTime();

            if (Program.CpuReducedMode)
            {
                System.Threading.Thread.Sleep(250);
            }
            else
            {
                System.Threading.Thread.Sleep(1);
                if (ReducedModeEnteringTime == 0)
                {
                    ReducedModeEnteringTime = 2500;
                }
                if (World.CameraAlignmentDirection.Position.X != 0.0 | World.CameraAlignmentDirection.Position.Y != 0.0 | World.CameraAlignmentDirection.Position.Z != 0.0 | World.CameraAlignmentDirection.Pitch != 0.0 | World.CameraAlignmentDirection.Yaw != 0.0 | World.CameraAlignmentDirection.Roll != 0.0 | World.CameraAlignmentDirection.TrackPosition != 0.0 | World.CameraAlignmentDirection.Zoom != 0.0)
                {
                    ReducedModeEnteringTime = 2500;
                }
                //Automatically enter reduced CPU mode if appropriate
                if (Program.CpuAutomaticMode && Program.CpuReducedMode == false)
                {
                    ReducedModeEnteringTime -= TimeElapsed;
                    if (ReducedModeEnteringTime <= 0)
                    {
                        Program.CpuReducedMode  = true;
                        ReducedModeEnteringTime = 0;
                    }
                }
            }
            DateTime d = DateTime.Now;

            Game.SecondsSinceMidnight = (double)(3600 * d.Hour + 60 * d.Minute + d.Second) + 0.001 * (double)d.Millisecond;
            ObjectManager.UpdateAnimatedWorldObjects(TimeElapsed, false);
            World.UpdateAbsoluteCamera(TimeElapsed);
            ObjectManager.UpdateVisibility(World.CameraTrackFollower.TrackPosition + World.CameraCurrentAlignment.Position.Z);
            TextureManager.Update(TimeElapsed);
            SoundManager.Update(TimeElapsed);
            Renderer.RenderScene(TimeElapsed);
            SwapBuffers();
        }