游戏入门引擎代码

来源：互联网发布：sqlserver 创建试图编辑：程序博客网时间：2024/05/17 03:59

头文件 GameEngine.h

#pragma once#include <windows.h>int WINAPI              WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow);LRESULT CALLBACK        WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);bool GameInitialize(HINSTANCE hInstance);void GameStart(HWND hWnd);void GameEnd();void GameActive(HWND hWnd);void GameDeactive(HWND hWnd);void GamePaint(HDC hdc);void GameCycle();class GameEngine{public:    GameEngine(HINSTANCE hInstance, LPTSTR szWindowClass, LPTSTR szTitle, WORD wIcon, WORD wSmallIcon, int iWidth = 640, int iHeight = 480);    virtual             ~GameEngine();    //////////////////////////////////////////////////////////////////////////    static GameEngine*  GetEngine(){ return m_pGameEngine; }    static void         SetEngine(GameEngine* pGameEngine){ m_pGameEngine = pGameEngine; }    BOOL                Initialize(int iCmdShow);    LRESULT             HandleEvent(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);    //////////////////////////////////////////////////////////////////////////    HINSTANCE           GetInstance(){ return m_hInstance; }    HWND                GetWnd(){ return m_hWnd; }    void                SetWnd(HWND hWnd){ m_hWnd = hWnd; }    LPTSTR              GetTitle(){ return m_szTitle; }    WORD                GetIcon(){ return m_wIcon; }    WORD                GetSmallIcon(){ return m_wSmallIcon; }    int                 GetWidth(){ return m_iWidth; }    int                 GetHeight(){ return m_iHeight; }    int                 GetFrameDelay(){ return m_iFrameDelay; }    void                SetFrameRate(int iFrameRate){ m_iFrameDelay = 1000 / iFrameRate; }    BOOL                GetSleep(){ return m_bSleep; }    void                SetSleep(BOOL bSleep){ m_bSleep = bSleep; }private:protected:    static GameEngine*  m_pGameEngine;    HINSTANCE           m_hInstance;            //应用程序句柄    HWND                m_hWnd;                 //主窗口句柄    TCHAR               m_szWindowClass[32];    //窗口类名称    TCHAR               m_szTitle[32];          //主窗口名称    WORD                m_wIcon, m_wSmallIcon;  //程序图标    int                 m_iWidth, m_iHeight;    //宽 高    int                 m_iFrameDelay;          //周期    BOOL                m_bSleep;               //是否休眠};

源文件GameEngine.cpp

#include "stdafx.h"#include "GameEngine.h"int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow){    MSG         msg;    static int  iTickTrigger = 0;    int         iTickCount;    if (GameInitialize(hInstance))    {        if (!GameEngine::GetEngine()->Initialize(iCmdShow))        {            return FALSE;        }        while (true)        {            if (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE))            {                if (msg.message == WM_QUIT)                    break;                TranslateMessage(&msg);                DispatchMessage(&msg);            }            else            {                if (!GameEngine::GetEngine()->GetSleep())                {                    iTickCount = GetTickCount();                    if (iTickCount > iTickTrigger)                    {                        iTickTrigger = iTickCount + GameEngine::GetEngine()->GetFrameDelay();                        GameCycle();                    }                }            }        }        return (int)msg.wParam;    }    GameEnd();    return TRUE;}LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){    return GameEngine::GetEngine()->HandleEvent(hWnd, message, wParam, lParam);}GameEngine::GameEngine(HINSTANCE hInstance, LPTSTR szWindowClass, LPTSTR szTitle, WORD wIcon, WORD wSmallIcon, int iWidth, int iHeight) :m_hInstance(hInstance),m_wIcon(wIcon),m_wSmallIcon(wSmallIcon),m_iWidth(iWidth),m_iHeight(iHeight),m_iFrameDelay(50),m_bSleep(TRUE),m_hWnd(nullptr){    memcpy(m_szWindowClass, szWindowClass, strlen(szWindowClass));    memcpy(m_szTitle, szTitle, strlen(szTitle));}GameEngine::~GameEngine(){}BOOL GameEngine::Initialize(int iCmdShow){    WNDCLASSEX wndclass;    wndclass.cbSize         = sizeof(wndclass);    wndclass.style          = CS_HREDRAW | CS_VREDRAW;    wndclass.lpfnWndProc    = WndProc;    wndclass.cbClsExtra     = 0;    wndclass.cbWndExtra     = 0;    wndclass.hInstance      = m_hInstance;    wndclass.hIcon          = LoadIcon(m_hInstance, MAKEINTRESOURCE(GetIcon()));    wndclass.hIconSm        = LoadIcon(m_hInstance, MAKEINTRESOURCE(GetSmallIcon()));    wndclass.hCursor        = LoadCursor(nullptr, IDC_ARROW);    wndclass.hbrBackground  = (HBRUSH)(COLOR_WINDOW + 1);    wndclass.lpszMenuName   = nullptr;    wndclass.lpszClassName  = m_szWindowClass;    if (!RegisterClassEx(&wndclass))    {        return FALSE;    }    //根据game大小计算窗口大小和位置    int iWindowWidth    = m_iWidth + GetSystemMetrics(SM_CXFIXEDFRAME) * 2;    int iWindowHeight   = m_iHeight + GetSystemMetrics(SM_CYFIXEDFRAME) * 2 + GetSystemMetrics(SM_CYCAPTION);    if (wndclass.lpszMenuName != nullptr)    {        iWindowHeight   += GetSystemMetrics(SM_CYMENU);    }    int iXWindowPos     = (GetSystemMetrics(SM_CXSCREEN) - iWindowWidth) / 2;    int iYWindowPos     = (GetSystemMetrics(SM_CYSCREEN) - iWindowHeight) / 2;    m_hWnd  = CreateWindow(m_szWindowClass, m_szTitle, WS_POPUPWINDOW | WS_CAPTION | WS_MINIMIZEBOX, iXWindowPos, iYWindowPos, iWindowWidth, iWindowHeight, nullptr, nullptr, m_hInstance, nullptr);    if (!m_hWnd)    {        return FALSE;    }    ShowWindow(m_hWnd, iCmdShow);    UpdateWindow(m_hWnd);    return TRUE;}LRESULT GameEngine::HandleEvent(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam){    switch (msg)    {    case WM_CREATE:        SetWnd(hWnd);        GameStart(hWnd);        return 0;    case WM_SETFOCUS:        GameActive(hWnd);        SetSleep(FALSE);        return 0;    case WM_KILLFOCUS:        GameDeactive(hWnd);        SetSleep(TRUE);        return 0;    case WM_PAINT:        HDC         hdc;        PAINTSTRUCT ps;        hdc = BeginPaint(hWnd, &ps);        GamePaint(hdc);        EndPaint(hWnd, &ps);        return 0;    case WM_DESTROY:        GameEnd();        PostQuitMessage(0);        return 0;    }    return DefWindowProc(hWnd, msg, wParam, lParam);}__declspec(selectany) GameEngine* GameEngine::m_pGameEngine = nullptr;

0 0