bool CWindow::createWindow(char *title, int width, int height, int bits, bool fullscreenflag)
{
	WNDCLASSEX wc;
	DWORD dwExStyle;
	DWORD dwStyle;
	int pixelformat;

	
	WndRect.right = (long) width;
	WndRect.bottom = (long) height;
	WndRect.left = 0;
	WndRect.top = 0;

	hInstance = GetModuleHandle(NULL);
	fullscreen = fullscreenflag;
	
	//register window class

	wc.cbSize		= sizeof(WNDCLASSEX);					//wc size

	wc.style		= CS_HREDRAW | CS_VREDRAW | CS_OWNDC;	//force window redraw

	wc.lpfnWndProc	= (WNDPROC) this->MainWndProc;			//specify window procedure

	wc.cbClsExtra	= 0;									//not needed

	wc.cbWndExtra	= 4;									//extra space needed

	wc.hInstance	= hInstance;							//window instance

	wc.hIcon		= LoadIcon(NULL, IDI_WINLOGO);			//default icon logo

	wc.hCursor		= LoadCursor(NULL, IDC_ARROW);			//default cursor

	wc.hbrBackground = (HBRUSH) GetStockObject(BLACK_BRUSH);//black background

	wc.lpszMenuName = NULL;									//no menu

	wc.lpszClassName = "Bomberman";							//class name

	wc.hIconSm		= LoadIcon(NULL, IDI_WINLOGO);			//default small icon


	if (!RegisterClassEx(&wc)) 
	{
		MessageBox(NULL,"Could not register window class","ERROR!",
			MB_OK | MB_ICONINFORMATION);
	}


	//set device mode if in fullscreen

	if (fullscreen)
	{
		DEVMODE screensettings;
		memset(&screensettings, 0, sizeof(screensettings));		//clear memory

		screensettings.dmSize = sizeof(screensettings);			//struct size

		screensettings.dmBitsPerPel = bits;						//bits per pixel

		screensettings.dmPelsHeight = height;					//resolution

		screensettings.dmPelsWidth  = width;					//resolution

		screensettings.dmFields		= DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;

		//change display settings to fullscreen device mode

		if (ChangeDisplaySettings(&screensettings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
		{
			MessageBox(NULL,"Fullscreen mode failed","ERROR!",
				MB_OK | MB_ICONINFORMATION);
			fullscreen = false; 
		}
	}


	//set window style

	if (fullscreen)
	{
		dwExStyle = WS_EX_APPWINDOW;
		dwStyle = WS_POPUP;
		ShowCursor(false);
	}
	else
	{
		dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
		dwStyle = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX; 
	}

	AdjustWindowRectEx(&WndRect, dwStyle, false, dwExStyle);


	//create window

	if (!(hWnd = CreateWindowEx(	dwExStyle,							//window ex style

									"Bomberman",						//class name

									title,								//window title

									WS_CLIPSIBLINGS |					//prevents overdrawing

									WS_CLIPCHILDREN |
									dwStyle,
									0, 0,								//window pos

									WndRect.right - WndRect.left,		//adjuted width

									WndRect.bottom - WndRect.top,		//adjusted height

									NULL,								//no parent window

									NULL,								//no menu

									hInstance,							//window instance

									this)))								//lpParam

	{
		killWindow();
		MessageBox(NULL,"Could not create window","ERROR!",
			MB_OK | MB_ICONINFORMATION);
		return false;
	}



	//describe pixel format

	static PIXELFORMATDESCRIPTOR pfd = 
	{
		sizeof(PIXELFORMATDESCRIPTOR),
		1,									//version number

		PFD_DRAW_TO_WINDOW |				//must support window

		PFD_SUPPORT_GDI |					//must support GDI

		PFD_TYPE_RGBA,						//rgba format

		bits,								//colour depth

		0,0,0,0,0,0,						//ignore colour bits

		0,									//no alpha buffer

		0,									//ignore shift bit

		0,									//no accumulation buffer

		0,0,0,0,							//accumulation bits ignored

		0,									//no z-buffer

		0,									//no stencil buffer

		0,									//no auxiliary buffer

		PFD_MAIN_PLANE,						//main drawing layer

		0,									//reserved

		0,0,0								//ignore layer masks

	};


	//get device context

	if (!(hDC = GetDC(hWnd)))
	{
		killWindow();
		MessageBox(NULL,"Can't Create A Device Context.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return false;
	}


	//find matching pixel format

	if (!(pixelformat = ChoosePixelFormat(hDC, &pfd)))
	{
		killWindow();
		MessageBox(NULL,"Can't Find A Suitable PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return false;
	}


	//set pixel format

	if (!SetPixelFormat(hDC, pixelformat, &pfd))
	{
		killWindow();
		MessageBox(NULL,"Can't Set The PixelFormat.","ERROR",MB_OK|MB_ICONEXCLAMATION);
		return false;
	}



	ShowWindow(hWnd, SW_SHOW);
	SetForegroundWindow(hWnd);
	SetFocus(hWnd);

	return true;
}