游戏基础013---处理键盘消息

代码下载 /2012/0118/20120118081418571.rar

/************************************************************************/
/*

*/
/************************************************************************//
#include "stdafx.h"

//全局变量声明
HINSTANCE hInst;
HBITMAP girl[4],bg;//girl[4]四个方向贴图
HDC     hdc,mdc,bufdc;
HWND    hWnd;
DWORD   tPre,tNow;
int     num,dir,x,y; //xy为人物贴图坐标，num为连续图中的小图编号

//全局函数 www.zzzyk.com
void MyPaint(HDC);
ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);

//****程序入口**************************************
int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
    MSG msg;

    MyRegisterClass(hInstance);

    //运行初始化函数
    if (!InitInstance (hInstance, nCmdShow))
    {
        return FALSE;
    }

    //游戏循环
    while (msg.message != WM_QUIT)
    {
        if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
        else
        {
            tNow = GetTickCount();
            if (tNow-tPre >= 40)
            {
                MyPaint(hdc);
            }
        }

    }

    return msg.wParam;
}

//****定义及注册窗口类别函数*************************
ATOM MyRegisterClass(HINSTANCE hInstance)
{
    WNDCLASSEX wcex;

    wcex.cbSize = sizeof(WNDCLASSEX);
    wcex.style          = CS_HREDRAW | CS_VREDRAW;
    wcex.lpfnWndProc    = (WNDPROC)WndProc;
    wcex.cbClsExtra     = 0;
    wcex.cbWndExtra     = 0;
    wcex.hInstance      = hInstance;
    wcex.hIcon          = NULL;
    wcex.hCursor        = NULL;
    wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
    wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
    wcex.lpszMenuName   = NULL;
    wcex.lpszClassName = "canvas"; //类别名称
    wcex.hIconSm        = NULL;

    return RegisterClassEx(&wcex);
}

//****初始化*************************************
// 1.存储instance handle与全局变量中
// 2.建立并显示主窗口
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
    HBITMAP bmp;
    hInst = hInstance;

    hInst = hInstance;

    hWnd = CreateWindow("canvas", "绘图窗口" , WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

    if (!hWnd)
    {
        return FALSE;
    }

    MoveWindow(hWnd,10,10,600,450,true);
    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);

    hdc = GetDC(hWnd);
    mdc = CreateCompatibleDC(hdc);
    bufdc = CreateCompatibleDC(hdc);

    bmp = CreateCompatibleBitmap(hdc,640,480);
    SelectObject(mdc,bmp);

    x = 300;
    y = 250;
    dir = 0;
    num = 0;

    girl[0] = (HBITMAP)LoadImage(NULL,"girl0.bmp",IMAGE_BITMAP,440,148,LR_LOADFROMFILE);
    girl[1] = (HBITMAP)LoadImage(NULL,"girl1.bmp",IMAGE_BITMAP,424,154,LR_LOADFROMFILE);
    girl[2] = (HBITMAP)LoadImage(NULL,"girl2.bmp",IMAGE_BITMAP,480,148,LR_LOADFROMFILE);
    girl[3] = (HBITMAP)LoadImage(NULL,"girl3.bmp",IMAGE_BITMAP,480,148,LR_LOADFROMFILE);
    bg = (HBITMAP)LoadImage(NULL,"bg.bmp",IMAGE_BITMAP,640,480,LR_LOADFROMFILE);

    MyPaint(hdc);

    return TRUE;
}

/************************************************************************/
/*
人物贴图坐标修正及窗口贴图
*/
/************************************************************************/
void MyPaint(HDC hdc)
{
    int w,h;

    SelectObject(bufdc,bg);
    BitBlt(mdc,0,0,640,480,bufdc,0,0,SRCCOPY);

    SelectObject(bufdc,girl[dir]);
    switch(dir)
    {
    case 0: 补充：综合编程 , 其他综合 ,