static void Main(string[] args)		{			bool bRunning = true;			bool bActive = true;			bool bCapMouse = true;			bool bFullScreen = false;			IntPtr sdlSurface = IntPtr.Zero;			int SDLVideoFlags = 0;			int SDLVideoFlagsFull = 0;			bool[] Keys = new bool[500];			bool[] MouseKeys = new bool[8];			int X = 0, Y = 0;			int width = 800, height = 600;			Console.WriteLine("Setting up SDL and Devices Surface!");			if (Sdl.SDL_Init(Sdl.SDL_INIT_VIDEO) < 0)			{				Console.WriteLine("Unable to start SDL, SDL gave the following error!");				Console.WriteLine("{0}", Sdl.SDL_GetError());				Sdl.SDL_Quit();			}			try			{				Sdl.SDL_VideoInfo info = (Sdl.SDL_VideoInfo)Marshal.PtrToStructure(Sdl.SDL_GetVideoInfo(),																			   typeof(Sdl.SDL_VideoInfo));				SDLVideoFlags = Sdl.SDL_OPENGL |								Sdl.SDL_GL_DOUBLEBUFFER |								Sdl.SDL_HWPALETTE |								Sdl.SDL_RESIZABLE;				SDLVideoFlags |= (info.hw_available > 0 ? Sdl.SDL_HWSURFACE : Sdl.SDL_SWSURFACE);				if (info.blit_hw > 0)					SDLVideoFlags |= Sdl.SDL_HWACCEL;				SDLVideoFlagsFull = SDLVideoFlags | Sdl.SDL_FULLSCREEN;				Sdl.SDL_GL_SetAttribute(Sdl.SDL_GL_DOUBLEBUFFER, 1);				sdlSurface = Sdl.SDL_SetVideoMode(width, height, 0, SDLVideoFlags);				Sdl.SDL_WM_SetCaption("Untitled",null);				if (sdlSurface == IntPtr.Zero)				{					Console.WriteLine("Unable to save surface pointer");				}			}			catch (NullReferenceException)			{				Console.WriteLine("Unable to get video info");				Console.WriteLine("{0}", Sdl.SDL_GetError());				Sdl.SDL_Quit();			}			catch (Exception exc)			{				Console.WriteLine("An unknown error has occured while initializing SDL");				Console.WriteLine("{0}", Sdl.SDL_GetError());				Console.WriteLine(exc);				Sdl.SDL_Quit();			}						Sdl.SDL_Event sdlEvent;			InitGL();			CGameEngine engine = new CGameEngine();			engine.InitEngine();			GameConsole console = new GameConsole("console.tga");			engine.Camera.AspectRatio = width / height;			engine.Camera.ResizeCameraViewPort(width,height);			int halfWidth = width >> 1;			int halfHeight = height >> 1;			GameConsole.width = width;			GameConsole.height = height;			Sdl.SDL_WM_GrabInput(Sdl.SDL_GRAB_ON);			Sdl.SDL_ShowCursor(0);			while (bRunning)			{				while(Sdl.SDL_PollEvent(out sdlEvent) == 1)				{					switch (sdlEvent.type)					{						case Sdl.SDL_ACTIVEEVENT:							if (sdlEvent.active.gain == 0)							{								Sdl.SDL_ShowCursor(1);								Sdl.SDL_WM_GrabInput(Sdl.SDL_GRAB_OFF);								bCapMouse = false;							}							else							{								Sdl.SDL_ShowCursor(0);								Sdl.SDL_WM_GrabInput(Sdl.SDL_GRAB_ON);								bCapMouse = true;							}							break;						case Sdl.SDL_VIDEORESIZE:							sdlSurface = Sdl.SDL_SetVideoMode(sdlEvent.resize.w, sdlEvent.resize.h, 0, SDLVideoFlags);							engine.Camera.AspectRatio = (float)sdlEvent.resize.w / (float)sdlEvent.resize.h;							engine.Camera.ResizeCameraViewPort(sdlEvent.resize.w, sdlEvent.resize.h);							halfWidth = width >> 1;							halfHeight = height >> 1;							break;						case Sdl.SDL_KEYDOWN:							if (!GameConsole.IsVisible)							{								Keys[sdlEvent.key.keysym.sym] = true;							}							else							{								int key = sdlEvent.key.keysym.sym;								if (key == (int)Engine.Keys.K_BACKSPACE)								{									GameConsole.Backspace();								}								else if (key == (int)Engine.Keys.K_RETURN)								{									GameConsole.AddLine();								}								else if (key == (int)Engine.Keys.K_TAB)									GameConsole.ToggleState();								else if (key < 256)								{									GameConsole.AddCharacterToEntryLine((char)sdlEvent.key.keysym.sym);								}							}							if (sdlEvent.key.keysym.sym == Sdl.SDLK_ESCAPE)							{								bActive = bRunning = false;								Sdl.SDL_Quit();							}							if (sdlEvent.key.keysym.sym == Sdl.SDLK_F1)							{								bFullScreen = !bFullScreen;								Sdl.SDL_FreeSurface(sdlSurface);								sdlSurface = Sdl.SDL_SetVideoMode(width, height, 0, (bFullScreen ? SDLVideoFlagsFull : SDLVideoFlags));								engine.Camera.AspectRatio = width / height;								engine.Camera.ResizeCameraViewPort(width, height);								InitGL();							}							if (Keys[(int)Engine.Keys.K_TAB])								GameConsole.ToggleState();							break;						case Sdl.SDL_KEYUP:							Keys[sdlEvent.key.keysym.sym] = false;							break;						case Sdl.SDL_MOUSEBUTTONDOWN:							MouseKeys[sdlEvent.button.button] = true;						break;						case Sdl.SDL_MOUSEBUTTONUP:							MouseKeys[sdlEvent.button.button] = false;						break;						case Sdl.SDL_QUIT:							bActive = bRunning = false;							Sdl.SDL_Quit();						break;					}									}				if (bCapMouse)				{					Sdl.SDL_GetMouseState(out X, out Y);					X = X - halfWidth;					Y = Y - halfHeight;					Sdl.SDL_WarpMouse((short)halfWidth, (short)halfHeight);				}								Sdl.SDL_Delay(1); // sleep and allow other threads to execute				engine.Handle_Input(Keys, MouseKeys, -X, -Y);  // handle Key and mouse events in Engine 								engine.GameMain(); // game main								if (bActive)				{					engine.GameRender();					console.Render();					DefaultFont.Print(string.Format("{0} Frames in {1} Seconds = {2} AVG FPS : {3} Actual FPS", 													EngineTime.g_TotalFrames,													(int)EngineTime.CurrentTime,													(int)(EngineTime.g_TotalFrames/EngineTime.CurrentTime),(int)EngineTime.g_FramePerSecond),1,1.0f,10,height -15) ;					Sdl.SDL_GL_SwapBuffers();				}			}			Sdl.SDL_Quit();		}