Pacman GDI C++ GAME

#pragma comment(lib,"winmm.lib") #include <Windows.h> #include <wchar.h> #include <chrono> #include "Map.h" #include "Pacman.h" #include "Beans.h" #include "HitTest.h" #include "Ghost.h" //定义宏 #define WINDOW_WIDTH 820 #define WINDOW_HEIGHT 680 #define WINDOW_TITLE L"Hello World!" //函数声明 //处理消息函数 LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam); BOOL Game_Cleanup(HWND hwnd); BOOL Game_Init(HWND hwnd); VOID Game_Paint(HWND hwnd); //声明全局变量 HDC ghdc = nullptr, gmdc = nullptr, buffDC = nullptr; HBITMAP beanBitmap = nullptr , gameBitmap = nullptr, emptyBitmap = nullptr; std::unique_ptr<Map> map = nullptr; std::unique_ptr<Pacman> pacman = nullptr; std::unique_ptr<Beans> beans = nullptr; std::unique_ptr<Ghost> ghost = nullptr; HFONT hFont = CreateFont(30, 0, 0, 0, 0, 0, 0, 0, GB2312_CHARSET, 0, 0, 0, 0, L"叶根友圆趣卡通体"); std::chrono::time_point<std::chrono::system_clock> tick; //lpCmdLine 命令行参数 //nCmdShow 指定程序窗口如何显示 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPreInstance, LPSTR lpCmdLine, int nCmdShow) { WNDCLASSEX wndClass = { 0 }; wndClass.cbSize = sizeof(WNDCLASSEX); wndClass.style = CS_HREDRAW | CS_VREDRAW; wndClass.lpfnWndProc = WndProc;//设置消息处理函数 wndClass.cbClsExtra = 0; wndClass.cbWndExtra = 0; wndClass.hInstance = hInstance; wndClass.hIcon = (HICON)LoadImage(NULL, L"icon.ico", IMAGE_ICON, 0, 0, LR_DEFAULTSIZE | LR_LOADFROMFILE); wndClass.hCursor = LoadCursor(NULL, IDC_ARROW); wndClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH); wndClass.lpszClassName = NULL; wndClass.lpszClassName = L"HWWND"; if (!RegisterClassEx(&wndClass)) return -1; HWND hwnd = CreateWindow(L"HWWND", WINDOW_TITLE, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, WINDOW_WIDTH, WINDOW_HEIGHT, NULL, NULL, hInstance, NULL); //MoveWindow(hwnd, 100, 100, WINDOW_WIDTH, WINDOW_HEIGHT, true); ShowWindow(hwnd, nCmdShow); //UpdateWindow(hwnd); Game_Init(hwnd); MSG msg = { 0 }; while (msg.message != WM_QUIT) { if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) { TranslateMessage(&msg); DispatchMessage(&msg);//这个会把消息发送到winproc处理函数 } //这里处理游戏tick auto diff = std::chrono::system_clock::now() - tick; if (std::chrono::duration<double, std::milli>(diff).count() >= 16) { ghost->update(); pacman->update(); HitTest::HitObject(*pacman, *ghost, *map, *beans); Game_Paint(hwnd); tick = std::chrono::system_clock::now(); } } UnregisterClass(L"HWWND", hInstance); return 0; } //消息处理函数 LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { //PAINTSTRUCT paintStruct; switch (message) { // 去的设备环境句柄的两种方法 //1. HDC BeginPaint(__in HWND hwnd, __out LPPINTSTRUCT lpPaint) 和 BOOL EndPaint(__in HWND hwnd, __in const PAINTSTRUCT *lpPaint) //2. HDC GetDC(__in HWND hWnd) 和 int ReleaseDC(__in HWND hWnd, __in HDC hDC) /*case WM_PAINT: ghdc = BeginPaint(hwnd, &paintStruct); Game_Paint(hwnd); EndPaint(hwnd, &paintStruct); ValidateRect(hwnd, NULL); break;*/ case WM_KEYDOWN: if (wParam == VK_ESCAPE) { DestroyWindow(hwnd);//销毁窗体并发送一个WM_DESTROY消息 } if (wParam == VK_LEFT) { pacman->setDir(2); } if (wParam == VK_RIGHT) { pacman->setDir(0); } if (wParam == VK_UP) { pacman->setDir(3); } if (wParam == VK_DOWN) { pacman->setDir(1); } break; case WM_DESTROY: Game_Cleanup(hwnd); PostQuitMessage(0); break; default://这里一定不要忘记写这个！ return DefWindowProc(hwnd, message, wParam, lParam); } return 0; } BOOL Game_Init(HWND hwnd) { ghdc = GetDC(hwnd); gmdc = CreateCompatibleDC(ghdc); buffDC = CreateCompatibleDC(ghdc); emptyBitmap = CreateCompatibleBitmap(ghdc, WINDOW_WIDTH, WINDOW_HEIGHT); SelectObject(gmdc, emptyBitmap); gameBitmap = (HBITMAP)LoadImage(nullptr, L"1.bmp", IMAGE_BITMAP, 448, 128, LR_LOADFROMFILE); beanBitmap = (HBITMAP)LoadImage(nullptr, L"2.bmp", IMAGE_BITMAP, 96, 32, LR_LOADFROMFILE); map = std::make_unique<Map>(25, 20, std::vector<int>{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }); pacman = std::make_unique<Pacman>(18, 23); ghost = std::make_unique<Ghost>(1, 1, 1); beans = std::make_unique<Beans>(); beans->init(*map); Game_Paint(hwnd); return TRUE; } VOID Game_Paint(HWND hwnd) { /*SelectObject(gmdc, gameBitmap); BitBlt(ghdc, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT, gmdc, 0, 0, SRCCOPY);*/ //先清空gmdc的画布 RECT clientArea; GetClientRect(hwnd, &clientArea); HBRUSH brush = (HBRUSH)GetStockObject(WHITE_BRUSH); FillRect(gmdc, &clientArea, brush); map->draw(gmdc, buffDC, gameBitmap); beans->draw(gmdc, buffDC, beanBitmap); pacman->draw(gmdc, buffDC, gameBitmap); ghost->draw(gmdc, buffDC, gameBitmap); SelectObject(gmdc, hFont); SetBkMode(gmdc, TRANSPARENT); SetTextColor(gmdc, RGB(62, 255, 80)); wchar_t t[20]; wsprintf(t, L"Score %d", HitTest::score); TextOut(gmdc, 30, 5, t, wcslen(t)); BitBlt(ghdc, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT, gmdc, 0, 0, SRCCOPY); } BOOL Game_Cleanup(HWND hwnd) { DeleteObject(hFont); DeleteObject(gameBitmap); DeleteDC(buffDC); DeleteDC(gmdc); ReleaseDC(hwnd, ghdc); return TRUE; }