void MainLoop()
{
renderThreadTime.FrameBegan();
renderThreadTime.TargetFps = TargetFps;
Debug.AddValue("rendering / frames rendered", renderThreadTime.FrameCounter);
EventSystem.Raise(new MyEngine.Events.FrameStarted());
try
{
gameWindow.ProcessEvents();
}
catch (Exception e)
{
Log.Error(e);
}
this.WindowTitle = defaultWindowTitle + " - " + renderThreadTime;
Debug.Tick("rendering / main render");
// if window is not focused we dont want to have our character and camera responding to keyboard and mouse inputs
if (this.Focused)
{
Input.Update();
Debug.InputUpdate();
}
Debug.LogicUpdate();
EventSystem.Raise(new MyEngine.Events.InputUpdate(renderThreadTime));
EventSystem.Raise(new MyEngine.Events.EventThreadUpdate(renderThreadTime));
if (ShouldContinueRunning == false)
{
return;
}
UpdateGPUMemoryInfo();
if (Debug.GetCVar("rendering / debug / reload all shaders").EatBoolIfTrue())
{
Factory.ReloadAllShaders();
}
ubo.engine.totalElapsedSecondsSinceEngineStart = (float)stopwatchSinceStart.Elapsed.TotalSeconds;
ubo.engine.gammaCorrectionTextureRead = Debug.GetCVar("rendering / gamma correction", 2.2f);
ubo.engine.gammaCorrectionFinalColor = 1 / ubo.engine.gammaCorrectionTextureRead;
//GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit); My.Check();
EventSystem.Raise(new MyEngine.Events.PreRenderUpdate(renderThreadTime));
if (PauseRenderPrepare == false)
{
if (RenderPrepareInOwnThread)
{
renderManagerBackReady.Wait();
renderManagerBackReady.Reset();
}
else
{
RenderPrepareMain();
}
var tmp = renderManagerFront;
renderManagerFront = renderManagerBack;
renderManagerBack = tmp;
if (RenderPrepareInOwnThread)
{
renderManagerPrepareNext.Set();
}
}
{
var scene = scenes[0];
var camera = scene.MainCamera;
var dataToRender = scene.DataToRender;
//if (renderThreadTime.FpsPer1Sec > 30)
renderManagerFront.SkyboxCubeMap = scene.skyBox;
//else renderManagerFront.SkyboxCubeMap = null;
renderManagerFront.RenderAll(camera, ubo, dataToRender.Lights, camera.postProcessEffects);
}
if (ShouldContinueRunning == false)
{
return;
}
gameWindow.SwapBuffers();
EventSystem.Raise(new MyEngine.Events.PostRenderUpdate(renderThreadTime));
//GC.Collect();
Mesh.ProcessFinalizerQueue();
EventSystem.Raise(new MyEngine.Events.FrameEnded(renderThreadTime));
if (Debug.GetCVar("rendering / fps / automatically adjust target fps", false))
{
if (renderThreadTime.FrameCounter > TargetFps.Number * 10 && renderThreadTime.FpsPer10Sec < TargetFps)
{
TargetFps.Number = (float)renderThreadTime.FpsPer1Sec;
Debug.AddValue("rendering / fps / adjusted target fps", TargetFps.Number);
}
}
if (Debug.GetCVar("rendering / fps / fps throttling enabled", false))
{
var targetFps = TargetFps * 1.2;
var secondsWeCanSleep = 1 / targetFps - renderThreadTime.CurrentFrameElapsedSeconds;
if (secondsWeCanSleep > 0)
{
Debug.AddValue("rendering /fps / theoretical unthrottled fps", renderThreadTime.CurrentFrameElapsedTimeFps + " fps");
Thread.Sleep((1000 * secondsWeCanSleep).FloorToInt());
}
}
}
void OnStart()
{
ubo = new UniformBlock();
//new PhysicsUsage.PhysicsManager();
stopwatchSinceStart.Restart();
renderManagerFront = new RenderManager(gameWindow.Width, gameWindow.Height);
renderManagerBack = new RenderManager(gameWindow.Width, gameWindow.Height);
/*Debug.CommonCVars.VSync().ToogledByKey(OpenTK.Input.Key.V).OnChanged += (cvar) =>
* {
* if (cvar.Bool) VSync = VSyncMode.On;
* else VSync = VSyncMode.Off;
* };
* Debug.CommonCVars.VSync().InitializeWith(false);*/
Debug.GetCVar("rendering / fullscreen").OnChangedAndNow((cvar) =>
{
if (cvar.Bool && WindowState != WindowState.Fullscreen)
{
WindowState = WindowState.Fullscreen;
}
else
{
WindowState = WindowState.Normal;
}
});
WindowTitle = defaultWindowTitle;
foreach (StringName r in System.Enum.GetValues(typeof(StringName)))
{
if (r == StringName.Extensions)
{
break;
}
var str = GL.GetString(r); MyGL.Check();
Log.Info(r.ToString() + ": " + str);
}
// Other state
//GL.Enable(EnableCap.Texture2D); My.Check();
//GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Nicest); My.Check();
//GL.Enable(EnableCap.Multisample); My.Check();
gameWindow.Resize += (sender, e) => OnResize();
OnResize();
gameWindow.Visible = true;
StartOtherThreads();
while (ShouldContinueRunning)
{
MainLoop();
}
gameWindow.Exit();
}