#include "globals.h"#define WM_TOGGLEFULLSCREEN (WM_USER+1)									// Application Define Message For Togglingstatic bool g_isProgramLooping;											// Window Creation Loop, For FullScreen togglestatic bool g_createFullScreen;											// If true, Then Create FullscreenGL_Window			window;											    // Window Structure/////////////////////////////////////////////////////////////////////////////// SCREEN DIALOG PROCEDUREbool CALLBACK ScreenDlgProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam) {     switch (message)     {         case WM_COMMAND:             switch (LOWORD(wParam))             {			case IDOK:				if(!IsDlgButtonChecked(hwndDlg, IDC_FULLSCREEN))					window.init.isFullScreen = false;									// If Not, Run In Windowed Mode 									if(IsDlgButtonChecked(hwndDlg, IDC_16BPP))							window.init.bitsPerPixel	= 16;								// Bits Per Pixel 								else	window.init.bitsPerPixel	= 32;								// Bits Per Pixel								if(IsDlgButtonChecked(hwndDlg, IDC_640_480))				{					window.init.width			= 640;									// Window Width					window.init.height			= 480;									// Window Height				}				else				{					if(IsDlgButtonChecked(hwndDlg, IDC_800_600))					{						window.init.width		= 800;									// Window Width						window.init.height		= 600;									// Window Height					}					else					{						window.init.width		= 1024;									// Window Width						window.init.height		= 768;									// Window Height					}				}				EndDialog(hwndDlg, wParam); 				return true;             }			switch (HIWORD(wParam))			{			case BN_CLICKED:				CheckDlgButton(hwndDlg, lParam, BST_CHECKED);				break;			}			break;					case WM_INITDIALOG:		{			CheckDlgButton(hwndDlg,IDC_FULLSCREEN, BST_UNCHECKED);			CheckRadioButton(hwndDlg,IDC_640_480, IDC_1024_768, IDC_800_600);			CheckRadioButton(hwndDlg,IDC_16BPP, IDC_32BPP, IDC_32BPP);		}    }    return false; } ////////////////////////////////////////////////////////////////////////////////// WIN MAINint WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){	Application			application;									// Application Structure	Keys				keys;											// Key Structure	bool				isMessagePumpActive;							// Message Pump Active?	MSG					msg;											// Window Message Structure	DWORD				tickCount;										// Used For The Tick Counter	// Fill Out Application Data	application.className = "OpenGL";									// Application Class Name	application.hInstance = hInstance;									// Application Instance	// Fill Out Window	ZeroMemory (&window, sizeof (GL_Window));							// Make Sure Memory Is Zeroed	window.keys					= &keys								// Window Key Structure	window.init.application		= &application							// Window Application	window.init.title			= "PonGLe";								// Window Title	window.init.width			= 640;									// Window Width	window.init.height			= 480;									// Window Height	window.init.bitsPerPixel	= 16;									// Bits Per Pixel	window.init.isFullScreen	= true;									// Fullscreen? (Set To true)	ZeroMemory (&keys, sizeof (Keys));									// Zero keys Structure	// Ask The User If They Want To Start In FullScreen Mode?	/*	if (MessageBox (HWND_DESKTOP, "Would You Like To Run In Fullscreen Mode?", "Start FullScreen?", MB_YESNO | MB_ICONQUESTION) == IDNO)	{		window.init.isFullScreen = false;								// If Not, Run In Windowed Mode	}    */    DialogBox(hInstance, MAKEINTRESOURCE(IDD_SCREENDLG),                      HWND_DESKTOP, (DLGPROC)ScreenDlgProc);     	// Register A Class For Our Window To Use	if (RegisterWindowClass (&application) == false)					// Did Registering A Class Fail?	{		// Failure		MessageBox (HWND_DESKTOP, "Error Registering Window Class!", "Error", MB_OK | MB_ICONEXCLAMATION);		return -1;														// Terminate Application	}	g_isProgramLooping = true;											// Program Looping Is Set To true	g_createFullScreen = window.init.isFullScreen;						// g_createFullScreen Is Set To User Default	while (g_isProgramLooping)											// Loop Until WM_QUIT Is Received	{		// Create A Window		window.init.isFullScreen = g_createFullScreen;					// Set Init Param Of Window Creation To Fullscreen?		if (CreateWindowGL (&window) == true)							// Was Window Creation Successful?		{			// At This Point We Should Have A Window That Is Setup To Render OpenGL			if (Initialize (&window, &keys) == false)					// Call User Intialization			{				// Failure				TerminateApplication (&window);							// Close Window, This Will Handle The Shutdown			}			else														// Otherwise (Start The Message Pump)			{	// Initialize was a success				isMessagePumpActive = true;								// Set isMessagePumpActive To true				while (isMessagePumpActive == true)						// While The Message Pump Is Active				{					// Success Creating Window.  Check For Window Messages					if (PeekMessage (&msg, window.hWnd, 0, 0, PM_REMOVE) != 0)					{						// Check For WM_QUIT Message						if (msg.message != WM_QUIT)						// Is The Message A WM_QUIT Message?						{							DispatchMessage (&msg);						// If Not, Dispatch The Message						}						else											// Otherwise (If Message Is WM_QUIT)						{							isMessagePumpActive = false;				// Terminate The Message Pump						}					}					else												// If There Are No Messages					{						if (window.isVisible == false)					// If Window Is Not Visible						{							WaitMessage ();								// Application Is Minimized Wait For A Message						}						else											// If Window Is Visible						{							// Process Application Loop							tickCount = GetTickCount ();				// Get The Tick Count							Update (tickCount - window.lastTickCount);	// Update The Counter							window.lastTickCount = tickCount;			// Set Last Count To Current Count							Draw ();									// Draw Our Scene							SwapBuffers (window.hDC);					// Swap Buffers (Double Buffering)						}					}				}														// Loop While isMessagePumpActive == true			}															// If (Initialize (...			// Application Is Finished			Deinitialize ();											// User Defined DeInitialization			DestroyWindowGL (&window);									// Destroy The Active Window		}		else															// If Window Creation Failed		{			// Error Creating Window			MessageBox (HWND_DESKTOP, "Error Creating OpenGL Window", "Error", MB_OK | MB_ICONEXCLAMATION);			g_isProgramLooping = false;									// Terminate The Loop		}	}																	// While (isProgramLooping)	UnregisterClass (application.className, application.hInstance);		// UnRegister Window Class	return 0;}																		// End Of WinMain()