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云代码 - c++代码库

俄罗斯方块源代码

2016-07-27 作者:云代码会员举报

[c++]代码库

#include <windows.h>
#include <stdio.h>
#include <time.h>
 
#define CELL 20
#define ROWS 25
#define COLS 15
//升级所需分数值
#define SCORE_LEVEL_INC 80
#define ID_TIMER 1
 
/////////////////全局变量/////////////////////////////
HWND hwnd;                  //保存窗口句柄
 
int score=0;                //分数
int level=0;                //级数
int interval_unit=25;       //随级数递增的时间间隔增量
int interval_base=300;      //时间间隔基量
int old_interval;           //保存当前的时间间隔,用于加速操作
 
int cur_left,cur_top;       //记录方块当前的位置
int width_block,height_block;   //方块的宽带和高度
 
bool isPause=false;             //暂停标识
UINT timer_id=0;                //保存计时器ID
 
static byte *block=NULL;        //方块,方块为随机大小,采用动态分配内存方式,所以这里是指针变量
byte g_panel[ROWS][COLS]={0};
////////////////////////////////////////////////////
LRESULT CALLBACK WndProc ( HWND,UINT,WPARAM,LPARAM );
void DrawPanel ( HDC hdc );     //绘制表格
void RefreshPanel ( HDC hdc );      //刷新面板
void DoDownShift ( HDC hdc );       //下移
void DoLeftShift ( HDC hdc );       //左移
void DoRightShift ( HDC hdc );      //右移
void DoAccelerate ( HDC hdc );      //加速
void DoRedirection ( HDC hdc ); //改变方向
void ClearRow ( HDC hdc );          //消行
bool ExportBlock();     //输出方块,
//该函数会直接修改全局变量block,width_block,height_block,
//cur_left和cur_top
bool IsTouchBottom ( HDC hdc );         //判断是否到达底部
 
int main()
{
    HINSTANCE hInstance=GetModuleHandle ( NULL );
    TCHAR szAppName[]=TEXT ( "teris" );
    MSG msg;
    WNDCLASS wc;
 
    wc.style=CS_HREDRAW|CS_VREDRAW;
    wc.lpfnWndProc=WndProc;
    wc.cbClsExtra=0;
    wc.cbWndExtra=0;
    wc.hInstance=hInstance;
    wc.hIcon=LoadIcon ( NULL,IDI_APPLICATION );
    wc.hCursor=LoadCursor ( NULL,IDC_ARROW );
    wc.hbrBackground= ( HBRUSH ) GetStockObject ( WHITE_BRUSH );
    wc.lpszMenuName=NULL;
    wc.lpszClassName=szAppName;
    if ( !RegisterClass ( &wc ) )
    {
        printf ( "RegisterClass occur errors!" );
        return 0;
    }
    hwnd=CreateWindow ( szAppName,TEXT ( "Teris Demo" ),
                        WS_OVERLAPPEDWINDOW,
                        0,0,0,0,
                        NULL,
                        NULL,
                        hInstance,
                        NULL );
    ShowWindow ( hwnd,SW_SHOW );
    UpdateWindow ( hwnd );
    while ( GetMessage ( &msg,NULL,0,0 ) )
    {
        TranslateMessage ( &msg );
        DispatchMessage ( &msg );
    }
    return msg.wParam;
}
 
void DrawPanel ( HDC hdc )          //绘制游戏面板
{
    int x,y;
    RECT rect;
 
    for ( y=0; y<ROWS; y++ )
    {
        for ( x=0; x<COLS; x++ )
        {
            //计算方块的边框范围
            rect.top=y*CELL+1;
            rect.bottom= ( y+1 ) *CELL-1;
            rect.left=x*CELL+1;
            rect.right= ( x+1 ) *CELL-1;
            FrameRect ( hdc,&rect, ( HBRUSH ) GetStockObject ( BLACK_BRUSH ) );
        }
    }
}
 
void DoDownShift ( HDC hdc )        //下移
{
    if ( NULL==block ) return;
 
    //判断是否到达底部
    if ( IsTouchBottom ( hdc ) )    //到底部
    {
        //消行处理
        ClearRow ( hdc );
        ExportBlock();      //输出下一个方块
    }
 
    cur_top++;
    RefreshPanel ( hdc );
}
 
void DoLeftShift ( HDC hdc )        //左移
{
    int x,y;
    if ( NULL==block ) return;
 
    if ( 0==cur_left ) return;
    if ( cur_top<0 ) return; //方块没有完整显示前,不能左移
    for ( y=0; y<height_block; y++ )
    {
        for ( x=0; x<width_block; x++ )          //从左边开始扫描,获取该行最左边的实心方格块
        {
            if ( * ( block+y*width_block+x ) )
            {
                //判断当前方格在面板上面左边一个方格是否为实心,是就代表不能再左移
                if ( g_panel[cur_top+y][cur_left+x-1] ) return;
 
                break;      //只判断最左边的一个实心方格,之后直接扫描下一行
            }
        }
    }
    cur_left--;
    RefreshPanel ( hdc );
}
 
void DoRightShift ( HDC hdc )       //右移
{
    int x,y;
    if ( NULL==block ) return;
 
    if ( COLS-width_block==cur_left ) return;
    if ( cur_top<0 ) return;     //方块完整显示前不能右移
    for ( y=0; y<height_block; y++ )
    {
        for ( x=width_block-1; x>=0; x-- )   //从右边开始扫描,获取该行最右边的实心方格块
        {
            if ( * ( block+y*width_block+x ) )
            {
                //判断当前方格在面板上右边一个方格是否为实心,是就代表不能再右移
                if ( g_panel[cur_top+y][cur_left+x+1] ) return;
 
                break;      //只判断最右边的一个实心方格
            }
        }
    }
    cur_left++;
    RefreshPanel ( hdc );
}
 
void DoRedirection ( HDC hdc )      //改变方向
{
    int i,j;
    byte * temp=NULL;
    if ( NULL==block ) return;
    if ( cur_top<0 ) return;     //方块完整显示前不能转向
 
    temp= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
    for ( i=0; i<width_block; i++ )
    {
        for ( j=0; j<height_block; j++ )
        {
            //temp[i][j]=block[height_block-j-1][i];
            * ( temp+i*height_block+j ) =* ( block+ ( height_block-j-1 ) *width_block+i );
        }
    }
 
    //给方块重新定位
    int incHeight=width_block-height_block;
    int incWidth=height_block-width_block;
    int temp_cur_top=cur_top-incHeight/2;
    int temp_cur_left=cur_left-incWidth/2;
 
    //system("cls");
    //printf("temp_top=%d, temp_left=%d",temp_cur_top,temp_cur_left);
 
    //判断当前空间是否足够让方块改变方向
    int max_len=max ( width_block,height_block );
    //防止下标访问越界
    if ( temp_cur_top+max_len-1>=ROWS||temp_cur_left<0||temp_cur_left+max_len-1>=COLS )
    {
        free ( temp );      //退出前必须先释放内存
        return;
    }
    for ( i=0; i<max_len; i++ )
    {
        for ( j=0; j<max_len; j++ )
        {
            //转向所需的空间内有已被占用的实心方格存在,即转向失败
            if ( g_panel[temp_cur_top+i][temp_cur_left+j] )
            {
                free ( temp );      //退出前必须先释放内存
                return;
            }
        }
    }
 
    //把临时变量的值赋给block,只能赋值,而不能赋指针值
    for ( i=0; i<height_block; i++ )
    {
        for ( j=0; j<width_block; j++ )
        {
            //block[i][j]=temp[i][j];
            * ( block+i*width_block+j ) =* ( temp+i*width_block+j );
        }
    }
 
    //全局变量重新被赋值
    cur_top=temp_cur_top;
    cur_left=temp_cur_left;
    //交换
    i=width_block;
    width_block=height_block;
    height_block=i;
 
    free ( temp );      //释放为临时变量分配的内存
    RefreshPanel ( hdc );
}
 
void DoAccelerate ( HDC hdc )       //加速
{
    if ( NULL==block ) return;
 
    if ( IsTouchBottom ( hdc ) )
    {
        //消行处理
        ClearRow ( hdc );
        ExportBlock();
    }
    cur_top++;
    RefreshPanel ( hdc );
}
 
bool IsTouchBottom ( HDC hdc )
{
    int x,y;
    int i,j;
 
    if ( NULL==block ) return false;
    if ( ROWS==cur_top+height_block )
    {
        //固定方块
        for ( i=0; i<height_block; i++ )
        {
            for ( j=0; j<width_block; j++ )
            {
                if ( * ( block+i*width_block+j ) ) g_panel[cur_top+i][cur_left+j]=1;
            }
        }
        return true;
    }
    for ( y=height_block-1; y>=0; y-- )          //从底行开始扫描
    {
        //判断第一个实心方块在面板上邻接的下方方格是否为实心,是就代表已经到达底部
        for ( x=0; x<width_block; x++ )
        {
            if ( * ( block+y*width_block+x ) )
            {
                if ( cur_top+y+1<0 ) return false;
                if ( g_panel[cur_top+y+1][cur_left+x] )
                {
                    //判断是否gameover
                    if ( cur_top<=0 )
                    {
                        if ( timer_id )
                        {
                            KillTimer ( hwnd,ID_TIMER );
                            timer_id=0;
                        }
                        MessageBox ( hwnd,TEXT ( "游戏结束" ),TEXT ( "MSG" ),MB_OK|MB_ICONEXCLAMATION );
                        SendMessage ( hwnd,WM_CLOSE,0,0 );
                    }
                    //
                    //固定方块
                    for ( i=0; i<height_block; i++ )
                    {
                        for ( j=0; j<width_block; j++ )
                        {
                            if ( * ( block+i*width_block+j ) ) g_panel[cur_top+i][cur_left+j]=1;
                        }
                    }
                    return true;
                }
            }
        }
    }
    return false;
}
 
void ClearRow ( HDC hdc )               //消行
{
    int i,j,k;
    int count=0;        //消行次数
    bool isFilled;
    //消行处理
    for ( i=ROWS-1; i>=0; i-- )
    {
        isFilled=true;
        for ( j=0; j<COLS; j++ )
        {
            if ( !g_panel[i][j] )
            {
                isFilled=false;
                break;
            }
        }
        if ( isFilled )
        {
            for ( j=0; j<COLS; j++ )
            {
                g_panel[i][j]=0;
            }
            //所有方块往下移
            for ( k=i-1; k>=0; k-- )
            {
                for ( j=0; j<COLS; j++ )
                {
                    g_panel[k+1][j]=g_panel[k][j];
                }
            }
            i=i+1;
            count++;
        }
    }
 
    //最高级别为9级,所以分数极限为(9+1)*SCORE_LEVEL_INC-1
    if ( score>=10*SCORE_LEVEL_INC-1 ) return;
 
    //加分规则:消除行数,1行加10分,2行加15分,3行加20分,4行加30分
    switch ( count )
    {
    case 1:
        score+=10;
        break;
    case 2:
        score+=15;
        break;
    case 3:
        score+=20;
        break;
    case 4:
        score+=30;
        break;
    }
 
    int temp_level=score/SCORE_LEVEL_INC;
    if ( temp_level>level )
    {
        level=temp_level;
        //撤销当前计时器,然后重设
        if ( timer_id ) KillTimer ( hwnd,ID_TIMER );
        timer_id=SetTimer ( hwnd,ID_TIMER,interval_base-level*interval_unit,NULL );
    }
 
    system ( "cls" );
    printf ( "score: %d, level: %d ",score,level );
}
 
void RefreshPanel ( HDC hdc )           //刷新面板
{
    int x,y;
    RECT rect;
    HBRUSH h_bSolid= ( HBRUSH ) GetStockObject ( GRAY_BRUSH ),
                     h_bEmpty= ( HBRUSH ) GetStockObject ( WHITE_BRUSH );
    if ( NULL==block ) return;
 
    //先刷屏
    for ( y=0; y<ROWS; y++ )
    {
        for ( x=0; x<COLS; x++ )
        {
            //为避免刷掉方块的边框,rect范围必须比边框范围小1
            rect.top=y*CELL+2;
            rect.bottom= ( y+1 ) *CELL-2;
            rect.left=x*CELL+2;
            rect.right= ( x+1 ) *CELL-2;
            if ( g_panel[y][x] )
                FillRect ( hdc,&rect,h_bSolid );
            else
                FillRect ( hdc,&rect,h_bEmpty );
        }
    }
    //再定位方块
    for ( y=0; y<height_block; y++ )
    {
        for ( x=0; x<width_block; x++ )
        {
            if ( * ( block+y*width_block+x ) )          //实心
            {
                rect.top= ( y+cur_top ) *CELL+2;
                rect.bottom= ( y+cur_top+1 ) *CELL-2;
                rect.left= ( x+cur_left ) *CELL+2;
                rect.right= ( x+cur_left+1 ) *CELL-2;
                FillRect ( hdc,&rect,h_bSolid );
            }
        }
    }
}
 
bool ExportBlock()          //输出方块
{
    int sel;
    if ( block )
    {
        free ( block );     //释放之前分配的内存
        block=NULL;
    }
 
    sel=rand() %7;
    switch ( sel )
    {
    case 0:     //水平条
        width_block=4;
        height_block=1;
        block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
        * ( block+0 ) =1;       //可以理解为*(block+0*width_block+0)=1,即第一行的第一个方格,下面同理
        * ( block+1 ) =1;       //*(block+0*width_block+1)=1
        * ( block+2 ) =1;       //*(block+0*width_block+2)=1
        * ( block+3 ) =1;       //*(block+0*width_block+3)=1
 
        cur_top=0-height_block;
        cur_left= ( COLS-width_block ) /2;
        break;
    case 1:     //三角
        width_block=3;
        height_block=2;
        block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
        * ( block+0 ) =0;       //可以理解为*(block+0*width_block+0)=0,即第一行的第一个方格,下面同理
        * ( block+1 ) =1;       //*(block+0*width_block+1)=1
        * ( block+2 ) =0;       //*(block+0*width_block+2)=0
        * ( block+3 ) =1;       //*(block+1*width_block+0)=1,第二行开始
        * ( block+4 ) =1;       //*(block+1*width_block+1)=1
        * ( block+5 ) =1;       //*(block+1*width_block+2)=1
 
        cur_top=0-height_block;
        cur_left= ( COLS-width_block ) /2;
        break;
    case 2:     //左横折
        width_block=3;
        height_block=2;
        block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
        * ( block+0 ) =1;       //可以理解为*(block+0*width_block+0)=1,下面同理
        * ( block+1 ) =0;       //*(block+0*width_block+1)=0
        * ( block+2 ) =0;       //*(block+0*width_block+2)=0
        * ( block+3 ) =1;       //*(block+1*width_block+0)=1
        * ( block+4 ) =1;       //*(block+1*width_block+1)=1
        * ( block+5 ) =1;       //*(block+1*width_block+2)=1
 
        cur_top=0-height_block;
        cur_left= ( COLS-width_block ) /2;
        break;
    case 3:     //右横折
        width_block=3;
        height_block=2;
        block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
        * ( block+0 ) =0;       //可以理解为*(block+0*width_block+0)=0,下面同理
        * ( block+1 ) =0;       //*(block+0*width_block+1)=0
        * ( block+2 ) =1;       //*(block+0*width_block+2)=1
        * ( block+3 ) =1;       //*(block+1*width_block+0)=1
        * ( block+4 ) =1;       //*(block+1*width_block+1)=1
        * ( block+5 ) =1;       //*(block+1*width_block+2)=1
 
        cur_top=0-height_block;
        cur_left= ( COLS-width_block ) /2;
        break;
    case 4:     //左闪电
        width_block=3;
        height_block=2;
        block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
        * ( block+0 ) =1;       //可以理解为*(block+0*width_block+0)=1,下面同理
        * ( block+1 ) =1;       //*(block+0*width_block+1)=1
        * ( block+2 ) =0;       //*(block+0*width_block+2)=0
        * ( block+3 ) =0;       //*(block+1*width_block+0)=0
        * ( block+4 ) =1;       //*(block+1*width_block+1)=1
        * ( block+5 ) =1;       //*(block+1*width_block+2)=1
 
        cur_top=0-height_block;
        cur_left= ( COLS-width_block ) /2;
        break;
    case 5:     //右闪电
        width_block=3;
        height_block=2;
        block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
        * ( block+0 ) =0;       //可以理解为*(block+0*width_block+0)=0,下面同理
        * ( block+1 ) =1;       //*(block+0*width_block+1)=1
        * ( block+2 ) =1;       //*(block+0*width_block+2)=1
        * ( block+3 ) =1;       //*(block+1*width_block+0)=1
        * ( block+4 ) =1;       //*(block+1*width_block+1)=1
        * ( block+5 ) =0;       //*(block+1*width_block+2)=0
 
        cur_top=0-height_block;
        cur_left= ( COLS-width_block ) /2;
        break;
    case 6:     //石头
        width_block=2;
        height_block=2;
        block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
        * ( block+0 ) =1;       //可以理解为*(block+0*width_block+0)=1,下面同理
        * ( block+1 ) =1;       //*(block+0*width_block+1)=1
        * ( block+2 ) =1;       //*(block+1*width_block+0)=1
        * ( block+3 ) =1;       //*(block+1*width_block+1)=1
 
        cur_top=0-height_block;
        cur_left= ( COLS-width_block ) /2;
        break;
    }
    return block!=NULL;
}
 
LRESULT CALLBACK WndProc ( HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam )
{
    HDC hdc;
    PAINTSTRUCT ps;
    //TCHAR szBuffer[1024];
 
    switch ( message )
    {
    case WM_CREATE:
        MoveWindow ( hwnd,400,10,CELL*COLS+8,CELL*ROWS+32,FALSE );      //补齐宽度和高度
        srand ( time ( NULL ) );
        ExportBlock();
 
        timer_id=SetTimer ( hwnd,ID_TIMER,interval_base-level*interval_unit,NULL );
        return 0;
    case WM_TIMER:
        hdc=GetDC ( hwnd );
        DoDownShift ( hdc );
        ReleaseDC ( hwnd,hdc );
        return 0;
    case WM_KEYDOWN:
        hdc=GetDC ( hwnd );
        switch ( wParam )
        {
        case VK_LEFT:                           //左移
            if ( !isPause ) DoLeftShift ( hdc );
            break;
        case VK_RIGHT:                          //右移
            if ( !isPause ) DoRightShift ( hdc );
            break;
        case VK_UP:                             //转向
            if ( !isPause ) DoRedirection ( hdc );
            break;
        case VK_DOWN:                           //加速
            if ( !isPause ) DoAccelerate ( hdc );
            break;
        case VK_SPACE:      //暂停
            isPause=!isPause;
            if ( isPause )
            {
                if ( timer_id ) KillTimer ( hwnd,ID_TIMER );
                timer_id=0;
            }
            else
            {
                timer_id=SetTimer ( hwnd,ID_TIMER,interval_base-level*interval_unit,FALSE );
            }
            break;
        }
        ReleaseDC ( hwnd,hdc );
        return 0;
    case WM_PAINT:
        hdc=BeginPaint ( hwnd,&ps );
        DrawPanel ( hdc );          //绘制面板
        RefreshPanel ( hdc );       //刷新
        EndPaint ( hwnd,&ps );
        return 0;
    case WM_DESTROY:
        if ( block ) free ( block );
        if ( timer_id ) KillTimer ( hwnd,ID_TIMER );
        PostQuitMessage ( 0 );
        return 0;
    }
    return DefWindowProc ( hwnd,message,wParam,lParam );
}


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