INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
char const * class_name = "Pong";
char const * window_title = "Adolf Hitler Pong";
WNDCLASSEX window_class;
window_class.cbSize = sizeof(window_class);
window_class.style = CS_OWNDC | CS_VREDRAW | CS_HREDRAW;
window_class.lpfnWndProc = &window_procedure;
window_class.cbClsExtra = 0;
window_class.cbWndExtra = 0;
window_class.hInstance = hInstance;
window_class.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_HITLER));
window_class.hCursor = LoadCursor(0, IDC_ARROW);
window_class.hbrBackground = reinterpret_cast<HBRUSH>(GetStockObject(WHITE_BRUSH));
window_class.lpszMenuName = 0;
window_class.lpszClassName = class_name;
window_class.hIconSm = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_HITLER));
RegisterClassEx(&window_class);
HWND window_handle = CreateWindowEx(0, class_name, window_title, WS_POPUP | WS_VISIBLE, CW_USEDEFAULT, CW_USEDEFAULT, window_width, window_height, 0, 0, hInstance, 0);
//SetTimer(window_handle, 0, 1000 / fps, 0);
std::string arguments(lpCmdLine);
if(!arguments.empty())
{
if(arguments[0] == '"' && arguments.length() >= 2)
{
arguments.erase(arguments.begin());
arguments.erase(arguments.end() - 1);
}
bool success = game.load_demo(arguments);
if(!success)
{
MessageBox(window_handle, "Unable to load demo file", "Demo playback error", MB_OK | MB_ICONERROR);
SendMessage(window_handle, WM_DESTROY, 0, 0);
return 0;
}
}
else
game.start_game();
nil::ini ini;
if(ini.load("pong.ini"))
{
game.set_demo_level_limit(ini.number<unsigned>("demo_level_limit", 3));
SetThreadPriority(GetCurrentThread(), ini.number<int>("thread_priority", 0));
}
LARGE_INTEGER frequency_struct;
QueryPerformanceFrequency(&frequency_struct);
unsigned long long divisor = frequency_struct.QuadPart / fps;
unsigned long long last_state = 0ull;
while(run)
{
MSG message;
while(PeekMessage(&message, window_handle, 0, 0, PM_REMOVE))
{
TranslateMessage(&message);
DispatchMessage(&message);
}
LARGE_INTEGER counter;
QueryPerformanceCounter(&counter);
unsigned long long current_state = counter.QuadPart / divisor;
if(last_state < current_state)
{
game.invalidate(window_handle);
game.process_frame(window_handle);
last_state = current_state;
}
//Sleep(20);
}
return 0;
}
LRESULT CALLBACK window_procedure(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch(msg)
{
case WM_CREATE:
{
game.create_dc(GetDC(hWnd));
int
resolution_x = GetSystemMetrics(SM_CXSCREEN),
resolution_y = GetSystemMetrics(SM_CYSCREEN);
RECT window_rectangle;
GetWindowRect(hWnd, &window_rectangle);
int
width = window_rectangle.right - window_rectangle.left,
height = window_rectangle.bottom - window_rectangle.top;
SetWindowPos(hWnd, HWND_TOP, (resolution_x - width) / 2, (resolution_y - height) / 2, 0, 0, SWP_NOSIZE);
break;
}
case WM_ERASEBKGND:
return 1;
case WM_PAINT:
game.process_frame(hWnd);
break;
/*
case WM_TIMER:
game.invalidate(hWnd);
break;
case WM_ERASEBKGND:
return 1;
case WM_PAINT:
try
{
game_mutex.lock();
game.process_frame(hWnd);
game_mutex.unlock();
}
catch(std::exception const & exception)
{
MessageBox(hWnd, (std::string("The following exception has occured:\n\n\t") + exception.what() + "\n\nTerminating program.").c_str(), "Exception", MB_OK | MB_ICONERROR);
run_timer = false;
PostQuitMessage(WM_QUIT);
}
break;
*/
case WM_CLOSE:
case WM_DESTROY:
run = false;
PostQuitMessage(WM_QUIT);
break;
case WM_LBUTTONDOWN:
return DefWindowProc(hWnd, WM_NCLBUTTONDOWN, HTCAPTION, 0);
case WM_KEYDOWN:
game.process_key_down(wParam);
break;
case WM_KEYUP:
game.process_key_up(wParam);
break;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}