分享自己寫的一個貪吃蛇的遊戲(Linux)

轉載請註明出處。http://www.cnblogs.com/dave_cn/

本程式需要ncurses庫，ubuntu下安裝ncurses可以執行下面命令：

sudo apt-get install libncurses5-dev 

關於ncurses的用法，讀者可以Google之。

程式啟動並執行效果如下：

其中包含兩個視窗，一個為game視窗，一個為日誌視窗。 

 

 

 代碼如下：

/** * Snake * author: dave_cn * date  : 2010/7/14 * info  : *        @ ...... food */#include <stdio.h>#include <stdlib.h>#include <string.h>#include <sys/time.h>#include <sys/types.h>#include <unistd.h>#include <ncurses.h>#define TBool            int#define True             1#define False            0    #define SHAPE_FOOD       '@'#define SHAPE_SNAKE      '*'#define GAMEWIN_YLEN     15#define GAMEWIN_XLEN     60#define LOGWIN_YLEN      7#define LOGWIN_XLEN      (GAMEWIN_XLEN)#define LOGBUF_NUM       (LOGWIN_YLEN-2)#define LOGBUF_LEN       (GAMEWIN_XLEN-2)#define MAXLEVEL         12#define GetSnakeTail(s)  ((s)->head->front)WINDOW *logwin;#define INITRUNLOG()     logwin = newlogw()#define RUNLOG(str)      runlog(logwin, str)#define DESTROYRUNLOG()  delwin(logwin)int g_level;enum TDirection {    DIR_UP,    DIR_DOWN,    DIR_LEFT,    DIR_RIGHT};struct TFood {    int y;    int x;};struct TSnakeNode {    int y;    int x;    struct TSnakeNode *front;};struct TSnake {    int    length;    struct TSnakeNode *head;    enum   TDirection  dir;};int refreshgamew(WINDOW *win, struct TSnake *psnake);void movesnake(struct TSnake *psnake);int checksnake(struct TFood *pfood, struct TSnake *psnake);void snakegrowup(struct TFood *pfood, struct TSnake *psnake);void gameover(WINDOW *win, char *str);struct TSnakeNode *newsnakenode(struct TSnakeNode **ppsnode, int y, int x);WINDOW* newgamew();struct TSnake* initsnake();void destroysnake(struct TSnake *psnake);void drawsnakew(WINDOW *win, struct TSnake *psnake);void drawfoodw(WINDOW *win, struct TFood *pfood, struct TSnake *psnake);TBool checkfood(struct TFood *pfood, struct TSnake *psnake);WINDOW* newlogw();void runlog(WINDOW *win, char *str);void cleanline(WINDOW *win, int y, int x);int main(){    initscr();    raw();    noecho();    keypad(stdscr, TRUE);    curs_set(0);    refresh();    g_level = 1;    INITRUNLOG();    RUNLOG("  Press 'q' or 'Q' to quit.");    RUNLOG("  Press 'w/s/a/d' or 'W/S/A/D' to move the snake.");    RUNLOG("Info:");        WINDOW *gwin = newgamew();    struct TSnake *psnake = initsnake();    drawsnakew(gwin, psnake);        while (refreshgamew(gwin, psnake) >= 0) ;        getch();        destroysnake(psnake);    delwin(gwin);    DESTROYRUNLOG();    endwin();        return 0;}int refreshgamew(WINDOW *win, struct TSnake *psnake){    static TBool ffood = False;    struct TFood pfood;        if (!ffood) {        drawfoodw(win, &pfood, psnake);        ffood = True;    }    int key = -1;        fd_set set;    FD_ZERO(&set);    FD_SET(0, &set);        struct timeval timeout;    timeout.tv_sec = 0;    timeout.tv_usec= (6 - (int)(g_level/3)) * 100*1000;        if (select(1, &set, NULL, NULL, &timeout) < 0)        return -1;        if (FD_ISSET(0, &set)) {        while ((key = getch()) == -1) ;            switch (key) {        case 'w':        case 'W':            (psnake->dir == DIR_DOWN) ? : (psnake->dir = DIR_UP);            break;                case 's':        case 'S':            (psnake->dir == DIR_UP) ? : (psnake->dir = DIR_DOWN);            break;                case 'a':        case 'A':            (psnake->dir == DIR_RIGHT) ? : (psnake->dir = DIR_LEFT);            break;                case 'd':        case 'D':            (psnake->dir == DIR_LEFT) ? : (psnake->dir = DIR_RIGHT);            break;                case 'q':        case 'Q':            RUNLOG("Quit Game!");            gameover(win, "Quit Game!");            return -1;                default:            break;        }    }    movesnake(psnake);    drawsnakew(win, psnake);    switch (checksnake(&pfood, psnake)) {    case 0:        break;            case 1:        ffood = False;        if (++g_level > MAXLEVEL) {            RUNLOG("Win!!!");            gameover(win, "Win!!!");            return -1;        }        mvwprintw(win, GAMEWIN_YLEN-1, 2, " Level: %d ", g_level);        mvwprintw(win, GAMEWIN_YLEN-1, 30, " Speed: %d ", (int)(g_level/3));        wrefresh(win);        RUNLOG("Level UP!");        snakegrowup(&pfood, psnake);        break;            default:        RUNLOG("Game over!");        gameover(win, "Game over!");        return -1;    }        return 1;}/** * stuct TSnake是一個倒置的首尾相連的鏈表,head->front指向snake的尾部 * 如: [a]<-[b]<-[c]<-[d]    a為head *      |              ^     snake移動的時候,只用head指向d, *      `--------------'     並且修改d的(y,x)為snake頭移動到的位置. */void movesnake(struct TSnake *psnake){    int hy = psnake->head->y;    int hx = psnake->head->x;        psnake->head = GetSnakeTail(psnake);        switch (psnake->dir) {    case DIR_UP:        psnake->head->y = hy - 1;        psnake->head->x = hx;        break;        case DIR_DOWN:        psnake->head->y = hy + 1;        psnake->head->x = hx;        break;        case DIR_LEFT:        psnake->head->y = hy;        psnake->head->x = hx - 1;        break;        case DIR_RIGHT:        psnake->head->y = hy;        psnake->head->x = hx + 1;        break;            default:        break;    }}int checksnake(struct TFood *pfood, struct TSnake *psnake){    if ( psnake->head->y <= 0 || psnake->head->y >= GAMEWIN_YLEN      || psnake->head->x <= 0 || psnake->head->x >= GAMEWIN_XLEN)    {        return -1;    }    struct TSnakeNode *pnode = GetSnakeTail(psnake);    int i = 0;    for (; i < psnake->length - 1; ++i, pnode = pnode->front)        if (psnake->head->y == pnode->y && psnake->head->x == pnode->x)            return -1;    if (psnake->head->y == pfood->y && psnake->head->x == pfood->x)        return 1;        return 0;}void snakegrowup(struct TFood *pfood, struct TSnake *psnake){    struct TSnakeNode *pnode = (struct TSnakeNode *)malloc(sizeof(struct TSnakeNode));        switch (psnake->dir) {    case DIR_UP:        pnode->y = psnake->head->y - 1;        pnode->x = psnake->head->x;        break;        case DIR_DOWN:        pnode->y = psnake->head->y + 1;        pnode->x = psnake->head->x;        break;        case DIR_LEFT:        pnode->y = psnake->head->y;        pnode->x = psnake->head->x - 1;        break;        case DIR_RIGHT:        pnode->y = psnake->head->y;        pnode->x = psnake->head->x + 1;        break;            default:        break;    }        pnode->front = GetSnakeTail(psnake);    psnake->head->front = pnode;    psnake->head = pnode;    ++psnake->length;}void gameover(WINDOW *win, char *str){    mvwprintw(win, (int)(GAMEWIN_YLEN/2), (GAMEWIN_XLEN/2 - strlen(str)/2), str);    mvwprintw(win, (int)(GAMEWIN_YLEN/2 + 1), 20, "Press any key to quit...");    wrefresh(win);}WINDOW* newgamew(){    WINDOW *win = newwin(GAMEWIN_YLEN, GAMEWIN_XLEN, 1, 3);    box(win, 0, 0);    mvwprintw(win, 0, 2, " GAME ");    mvwprintw(win, GAMEWIN_YLEN-1, 2, " Level: %d ", g_level);    mvwprintw(win, GAMEWIN_YLEN-1, 30, " Speed: %d ", (int)(g_level/3));    wrefresh(win);        return win;}struct TSnake* initsnake(){    struct TSnake *psnake = (struct TSnake *)malloc(sizeof(struct TSnake));    psnake->dir    = DIR_LEFT;    psnake->length = 4;        newsnakenode (        &newsnakenode (            &newsnakenode (                &newsnakenode( &psnake->head, 4, 50 )->front, 4, 53            )->front, 4, 52        )->front, 4, 51    )->front = psnake->head;    return psnake;}struct TSnakeNode *newsnakenode(struct TSnakeNode **ppsnode, int y, int x){    *ppsnode = (struct TSnakeNode *)malloc(sizeof(struct TSnakeNode));    (*ppsnode)->y = y;    (*ppsnode)->x = x;    (*ppsnode)->front = NULL;        return *ppsnode;}void destroysnake(struct TSnake *psnake){    struct TSnakeNode *psnode = GetSnakeTail(psnake);    struct TSnakeNode *ptmp   = NULL;        int i = 0;    for (; i < psnake->length; ++i) {        ptmp   = psnode;        psnode = psnode->front;        free(ptmp);    }        free(psnake);    psnake = NULL;}void drawsnakew(WINDOW *win, struct TSnake *psnake){    static int taily = 0;    static int tailx = 0;    if (taily != 0 && tailx != 0) {        mvwaddch(win, taily, tailx, ' ');    }        struct TSnakeNode *psnode = GetSnakeTail(psnake);        int i = 0;    for (; i < psnake->length; ++i) {        mvwaddch(win, psnode->y, psnode->x, SHAPE_SNAKE);        psnode = psnode->front;    }        taily = GetSnakeTail(psnake)->y;    tailx = GetSnakeTail(psnake)->x;    wrefresh(win);}void drawfoodw(WINDOW *win, struct TFood *pfood, struct TSnake *psnake){    do {        pfood->y = random() % (GAMEWIN_YLEN - 1) + 1;        pfood->x = random() % (GAMEWIN_XLEN - 1) + 1;    } while (False == checkfood(pfood, psnake));    checkfood(pfood, psnake);        mvwaddch(win, pfood->y, pfood->x, SHAPE_FOOD);    wrefresh(win);}TBool checkfood(struct TFood *pfood, struct TSnake *psnake){    struct TSnakeNode *pnode = GetSnakeTail(psnake);    int i = 0;    for (; i < psnake->length; ++i, pnode = pnode->front)        if (pfood->y == pnode->y && pfood->x == pnode->x)            return False;    return True;}WINDOW* newlogw(){    WINDOW *win = newwin(LOGWIN_YLEN, LOGWIN_XLEN, GAMEWIN_YLEN + 2, 3);    box(win, 0, 0);    mvwprintw(win, 0, 2, " LOG ");    wrefresh(win);        return win;}void runlog(WINDOW *win, char *str){    static char logbuf[LOGBUF_NUM][LOGBUF_LEN] = {0};    static int  index = 0;        strcpy(logbuf[index], str);        int i = 0;    for (; i < LOGBUF_NUM; ++i) {        cleanline(win, i+1, 1);        mvwprintw(win, i+1, 1, logbuf[(index+i) % LOGBUF_NUM]);        wrefresh(win);    }        index = (index + LOGBUF_NUM - 1) % LOGBUF_NUM;}void cleanline(WINDOW *win, int y, int x){    char EMPTYLINE[LOGBUF_LEN] = {0};    memset(EMPTYLINE, ' ', LOGBUF_LEN-1);        mvwprintw(win, y, x, EMPTYLINE);    wrefresh(win);}

 

 我在ubuntu10.04下面測試過。

編譯方法:

cc -o snake filename.c -lncurses