int WINAPI WinMain( HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow )
{
// local
WNDCLASSEX winClass;
MSG uMsg;
char* winClassName = "RTVS";
// initialise message
memset(&uMsg,0,sizeof(uMsg));
// init
winClass.lpszClassName = (LPCWSTR)winClassName;
winClass.cbSize = sizeof(WNDCLASSEX);
winClass.style = CS_HREDRAW | CS_VREDRAW;
winClass.lpfnWndProc = WindowProc;
winClass.hInstance = hInstance;
winClass.hIcon = NULL;
winClass.hIconSm = NULL;
winClass.hCursor = LoadCursor(NULL, IDC_ARROW);
winClass.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
winClass.lpszMenuName = NULL;
winClass.cbClsExtra = 0;
winClass.cbWndExtra = 0;
// IF register class fails THEN end
if( !RegisterClassEx(&winClass) ) return E_FAIL;
// create window
g_hWnd = CreateWindowEx( NULL, (LPCWSTR)winClassName,
(LPCWSTR)"Willem L-System",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
0, 0, 1200, 800, NULL, NULL, hInstance, NULL );
// IF create window fails THEN end
if( g_hWnd == NULL ) return E_FAIL;
// housekeeping
ShowWindow( g_hWnd, nCmdShow );
UpdateWindow( g_hWnd );
// create application
g_app = new RTVS();
// non-device one time application setup
g_app->setup();
// non-device one time setup
setup();
// device dependent setup
setupDX();
// WHILE NOT quit, handle messages and display
while( uMsg.message != WM_QUIT )
{
if( PeekMessage( &uMsg, NULL, 0, 0, PM_REMOVE ) )
{
TranslateMessage( &uMsg );
DispatchMessage( &uMsg );
}
else
display();
}
// unregister windows class
UnregisterClass(
(LPCWSTR)winClassName,
winClass.hInstance
);
return uMsg.wParam;
}
LRESULT CALLBACK WindowProc( HWND hWnd,
UINT msg,
WPARAM wParam,
LPARAM lParam )
{
static POINT ptLastMousePosit;
static POINT ptCurrentMousePosit;
static bool bMousing;
switch( msg )
{
case WM_KEYDOWN:
{
switch( wParam )
{
case VK_ESCAPE:
PostQuitMessage(0);
break;
case VK_F1:
g_bHandleWindowResize = !g_bHandleWindowResize;
break;
}
}
break;
case WM_LBUTTONDOWN:
{
ptLastMousePosit.x = ptCurrentMousePosit.x = LOWORD (lParam);
ptLastMousePosit.y = ptCurrentMousePosit.y = HIWORD (lParam);
bMousing = true;
}
break;
case WM_LBUTTONUP:
{
bMousing = false;
}
break;
case WM_MOUSEMOVE:
{
ptCurrentMousePosit.x = LOWORD (lParam);
ptCurrentMousePosit.y = HIWORD (lParam);
if( bMousing )
{
float spinX, spinY;
g_app->getSpin (&spinX, &spinY);
spinX -= (ptCurrentMousePosit.x - ptLastMousePosit.x);
spinY -= (ptCurrentMousePosit.y - ptLastMousePosit.y);
g_app->setSpin(spinX, spinY);
}
ptLastMousePosit.x = ptCurrentMousePosit.x;
ptLastMousePosit.y = ptCurrentMousePosit.y;
}
break;
case WM_SIZE:
{
if( g_bHandleWindowResize == true )
{
// If the device is not NULL and the WM_SIZE message is not a
// SIZE_MINIMIZED event, resize the device's swap buffers to match
// the new window size.
if( g_pd3dDevice != NULL && wParam != SIZE_MINIMIZED )
{
cleanupDX();
g_d3dpp.BackBufferWidth = LOWORD(lParam);
g_d3dpp.BackBufferHeight = HIWORD(lParam);
HRESULT hr = g_pd3dDevice->Reset( &g_d3dpp );
if( hr == D3DERR_INVALIDCALL )
{
MessageBox( NULL,
"Call to Reset() failed with D3DERR_INVALIDCALL!",
"ERROR", MB_OK | MB_ICONEXCLAMATION );
}
setupDX();
}
}
}
break;
case WM_CLOSE:
{
PostQuitMessage(0);
}
case WM_DESTROY:
{
PostQuitMessage(0);
}
break;
default:
{
return DefWindowProc( hWnd, msg, wParam, lParam );
}
break;
}
// done
return 0;
}