basic_window_wrap.cpp

#include <Windows.h>

//////////////////////////////////////////////////////////////////

// TODO: Global Variables for Direct3D


bool InitializeDirect3D ( HWND hWnd )
{
	// TODO: Initializing Direct3D

	return true;
}

void UninitializeDirect3D ()
{
	// TODO: Uninitializing Direct3D

}

void Loop ()
{
	// TODO: Rendering

}

//////////////////////////////////////////////////////////////////

#pragma region Precode
LRESULT CALLBACK WndProc ( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
	switch ( uMsg )
	{
	case WM_CLOSE: PostQuitMessage ( 0 ); break;
	default: return DefWindowProc ( hWnd, uMsg, wParam, lParam );
	}
	return 0;
}

HWND InitializeWindow ( int width = 1280, int height = 720 )
{
	WNDCLASS wndClass = { CS_HREDRAW | CS_VREDRAW, WndProc, 0, 0, nullptr,
		LoadIcon ( nullptr, IDI_APPLICATION ), LoadCursor ( nullptr, IDC_ARROW ),
		nullptr, nullptr, TEXT ( "Win32AppWindow" ) };
	if ( RegisterClass ( &wndClass ) == 0 )
		return 0;

	RECT rect = { 0, 0, width, height };
	AdjustWindowRect ( &rect, WS_OVERLAPPEDWINDOW, false );
	int w = rect.right - rect.left, h = rect.bottom - rect.top;
	int x = GetSystemMetrics ( SM_CXSCREEN ) / 2 - w / 2, y = GetSystemMetrics ( SM_CYSCREEN ) / 2 - h / 2;

	return CreateWindow ( TEXT ( "Win32AppWindow" ), TEXT ( "Application" ), WS_OVERLAPPEDWINDOW,
		x, y, w, h, nullptr, nullptr, GetModuleHandle ( nullptr ), nullptr );
}

void RunWindow ( HWND hWnd )
{
	ShowWindow ( hWnd, SW_SHOW );
	UpdateWindow ( hWnd );

	MSG msg;
	while ( true )
	{
		if ( PeekMessage ( &msg, nullptr, 0, 0, PM_NOREMOVE ) )
		{
			if ( !GetMessage ( &msg, nullptr, 0, 0 ) )
				return;
			TranslateMessage ( &msg );
			DispatchMessage ( &msg );
		}
		else
		{
			Loop ();
			Sleep ( 1 );
		}
	}
}

int WINAPI WinMain ( HINSTANCE, HINSTANCE, LPSTR, int )
{
	HWND hWnd = InitializeWindow ();
	if ( hWnd == nullptr ) return -1;
	if ( !InitializeDirect3D ( hWnd ) ) return -2;

	RunWindow ( hWnd );

	UninitializeDirect3D ();

	return 0;
}
#pragma endregion