path: root/mbbsd/go.c

/* $Id$ */
/*-------------------------------------------------------*/
/* go.c                         ( NTU FPG BBS Ver 1.00 ) */
/*-------------------------------------------------------*/
/* target : 圍棋                                         */
/* create : 01/09/00                                     */
/*-------------------------------------------------------*/

#include "bbs.h"
#include <sys/socket.h> 

#define BBLANK  (0)     /* 空白 */
#define BBLACK  (1)     /* 黑子 */
#define BWHITE  (2)     /* 白子 */

#define redoln() redoscr()

#define BRDSIZ  (19)    /* 棋盤單邊大小 */

#define move(y,x)   move(y, (x) + ((y) < 2 || (y) > 20 ? 0 : \
            (x) > 43 ? 11 : 8))
#define iBGOTO(x,y) move(20 - (y) , (x) * 2 + 4 - 8),do_move(20-(y),(x)*2+4)  // really dirty ><
#define BGOTO(x,y)  move(20 - (y) , (x) * 2 + 4),do_move(20-(y),(x)*2+4)

static unsigned char    go[BRDSIZ][BRDSIZ];
static unsigned char    l[BRDSIZ][BRDSIZ];
static unsigned char    ml[BRDSIZ][BRDSIZ];
static int  lib, mik, mjk, hik, hjk, mk, hk;
static float    win;

//extern    char    *bw_chess[];    /* 和五子棋共用 */

static char *locE = "ABCDEFGHJKLMNOPQRST";

static char AB[41];

static unsigned char    me, he, hand;

static Horder_t *v, pool[500];

static void
GO_init(void)
{
    memset(pool, 0, sizeof(pool));
    v = pool;

    memset(go, 0, sizeof(go));
    memset( l, 0, sizeof(go));
    memset(ml, 0, sizeof(go));
}

static void
GO_add(Horder_t *mv)
{
    if (v < pool + 500) 
    *v++ = *mv;
}

static int
GO_sethand(int i)
{
    int j;
    char    tmp[5];

    if (i > 0 && i < 10)
    {
    move(1, 71);
    prints("讓子：%d", i);   

    win = 0;
    go[3][3] = BBLACK;    
    if (i > 1)
    {
        go[15][15] = BBLACK;
        if (i > 2)
        {
        go[3][15] = BBLACK;
        if (i > 3)
        {
            go[15][3] = BBLACK;
            if (i == 5)
            go[9][9] = BBLACK;
            else
            if (i > 5)
            {
                go[9][15] = BBLACK;
                go[9][3] = BBLACK;
                if (i == 7)
                go[9][9] = BBLACK;
                else
                if (i > 7)
                {
                    go[15][9] = BBLACK;
                    go[3][9] = BBLACK;
                    if (i > 8) 
                    go[9][9] = BBLACK;
                }
            }
        }
        }
    }
    }
    else
    return 0;

    hand = i;
    *AB = 0;
    for (i = 0;i < 19;i++)
    for (j = 0;j < 19;j++)
        if (go[i][j])
        {
        BGOTO(i, j);
        outs(bw_chess[go[i][j] - 1]);
        redoln(); 
        sprintf(tmp, "[%c%c]", 'a' + i, 's' - j);
        strcat(AB, tmp);
        }
    return 1;
}


static void
GO_count(int x, int y, int color)
{
    ml[x][y] = 0;

    if (x != 0)
    {
    if ((go[x - 1][y] == BBLANK) && ml[x - 1][y])
    {
        ++lib;
        ml[x - 1][y] = 0;
    }
    else
        if ((go[x - 1][y] == color) && ml[x - 1][y])
        GO_count(x - 1, y, color);
    }
    if (x != 18)
    {
    if ((go[x + 1][y] == BBLANK) && ml[x + 1][y])
    {
        ++lib;
        ml[x + 1][y] = 0;
    }
    else
        if ((go[x + 1][y] == color) && ml[x + 1][y])
        GO_count(x + 1, y, color);
    }
    if (y != 0)
    {
    if ((go[x][y - 1] == BBLANK) && ml[x][y - 1])
    {
        ++lib;
        ml[x][y - 1] = 0; 
    }
    else
        if ((go[x][y - 1] == color) && ml[x][y - 1])
        GO_count(x, y - 1, color);
    }
    if (y != 18)
    {
    if ((go[x][y + 1] == BBLANK) && ml[x][y + 1])
    {
        ++lib; 
        ml[x][y + 1] = 0;
    }
    else
        if ((go[x][y + 1] == color) && ml[x][y + 1])
        GO_count(x, y + 1, color);
    }
}

static void
GO_countlib(int x, int y, char color)
{
    int i, j;

    for (i = 0; i < 19; i++)
    for (j = 0; j < 19; j++)
        ml[i][j] = 1;

    GO_count(x, y, color);
}

static void 
GO_eval(char color)
{
    int i, j;

    for (i = 0; i < 19; i++)
    for (j = 0; j < 19; j++)
        if (go[i][j] == color)
        {
        lib = 0;
        GO_countlib(i, j, color);
        l[i][j] = lib;
        }
}

static int 
GO_check(Horder_t *mv)
{
    int m, n, k;

    lib = 0;
    GO_countlib(mv->x, mv->y, me);

    if (lib == 0)
    {
    go[(int)mv->x][(int)mv->y] = me;

    GO_eval(he);
    k = 0;

    for (m = 0; m < 19; m++)
        for (n = 0; n < 19; n++)
        if ((go[m][n] == he) && !l[m][n]) ++k;

    if ((k == 0) || (k == 1 && ((mv->x == mik) && (mv->y == mjk))))
    {
        go[(int)mv->x][(int)mv->y] = BBLANK;   /* restore to open */
        return 0;
    }
    else
        return 1;
    }
    else
    return 1;
}

static void
GO_blank(char x, char y)
{
    char *str = "┌┬┐├┼┤└┴┘";
    int n1, n2, loc;

    BGOTO(x, y);
    n1 = (x == 0) ? 0 : (x == 18) ? 2 : 1;
    n2 = (y == 18) ? 0 : (y == 0) ? 2 : 1;
    loc= 2 * (n2 * 3 + n1);
    prints("%.2s", str + loc);
    //redoln();
} 

static void 
GO_examboard(char color)
{
    int i, j, n;

    GO_eval(color);

    if (color == he)
    {
    hik = -1;
    hjk = -1;
    }
    else
    {
    mik = -1;
    mjk = -1;
    }
    n = 0;

    for (i = 0; i < 19; i++)
    for (j = 0; j < 19; j++)
        if ((go[i][j] == color) && (l[i][j] == 0))
        {
        go[i][j] = BBLANK;
        GO_blank(i, j);
        if (color == he)
        {
            hik = i;
            hjk = j;
            ++hk;
        }
        else
        {
            mik = i;
            mjk = j;
            ++mk;
        }
        ++n;
        }

    if (color == he && n > 1)
    {
    hik = -1;
    hjk = -1;
    }
    else if ( n > 1 )
    {
    mik = -1;
    mjk = -1;
    }
}

static void
GO_clean(int fd, int x, int y, int color)
{
    Horder_t tmp;

    ml[x][y] = 0;

    go[x][y] = BBLANK;
    GO_blank(x, y);

    tmp.x = x;
    tmp.y = y;

    if (send(fd, &tmp, sizeof(Horder_t), 0) != sizeof(Horder_t))
    return;

    if (x != 0)
    {
    if ((go[x - 1][y] == color) && ml[x - 1][y])
        GO_clean(fd, x - 1, y, color);
    }
    if (x != 18)
    {
    if ((go[x + 1][y] == color) && ml[x + 1][y])
        GO_clean(fd, x + 1, y, color);
    }
    if (y != 0)
    {
    if ((go[x][y - 1] == color) && ml[x][y - 1])
        GO_clean(fd, x, y - 1, color);
    }
    if (y != 18)
    { 
    if ((go[x][y + 1] == color) && ml[x][y + 1])
        GO_clean(fd, x, y + 1, color);
    }
}

static void
GO_cleandead(int fd, char x, char y, char color)
{
    int i, j;

    for (i = 0; i < 19; i++)
    for (j = 0; j < 19; j++)
        ml[i][j] = 1;

    GO_clean(fd, x, y, color);
}

static void
GO_log(char *userid)
{
    fileheader_t mymail;
    char         title[128], buf[80];
    int          i = 0;
    FILE        *fp;
    Horder_t *ptr = pool;
    //extern screenline *big_picture;

    sethomepath(buf, cuser.userid);
    stampfile(buf, &mymail);

    fp = fopen(buf, "w");
    for(i = 1; i < 21; i++)
    fprintf(fp, "%.*s\n", big_picture[i].len, big_picture[i].data + 1);

    i = 0;

    fprintf(fp, "\n");

    do
    {
    if (ptr->x == -1 || ptr->y == -1)
        fprintf(fp, "[%3d]%s =>    %c", i + 1, win ? bw_chess[i % 2] : bw_chess[(i + 1) % 2],
            (i % 5) == 4 ? '\n' : '\t');
    else
        fprintf(fp, "[%3d]%s => %.1s%d%c", i + 1, win ? bw_chess[i % 2] : bw_chess[(i + 1) % 2],
            locE + ptr->x, ptr->y + 1, (i % 5) == 4 ? '\n' : '\t');
    i++;

    } while (++ptr < v);

    fprintf(fp, "\n\n《以下為 sgf 格式棋譜》\n\n(;GM[1]");
    if (userid == NULL)
    fprintf(fp, "GN[Gobot-Gobot FPG]\n");
    else
    fprintf(fp, "GN[%s-%s(%c) FPG]\n", userid, cuser.userid, me == BBLACK ? 'B' : 'W');
    fprintf(fp, "SZ[19]HA[%d]", hand);
    if (userid == NULL)
    {
    fprintf(fp, "PB[Gobot]PW[Gobot]\n");
    }
    else
    {
    if (me == BBLACK)
        fprintf(fp, "PB[%s]PW[%s]\n", cuser.userid, userid);
    else
        fprintf(fp, "PB[%s]PW[%s]\n", userid, cuser.userid);
    }
    fprintf(fp, "PC[FPG BBS/Ptt BBS: ptt.cc]\n");

    if (win)
    i = 0;
    else
    {
    i = 1;
    fprintf(fp, "AB%s\n", AB);
    }
    ptr = pool;
    do
    {
    if (ptr->x == -1 || ptr->y == -1)
        fprintf(fp, ";%c[]%c", i % 2 ? 'W' : 'B', (i % 10) == 9 ? '\n' : ' ');
    else
        fprintf(fp, ";%c[%c%c]%c", i % 2 ? 'W' : 'B', 'a' + ptr->x, 's' - ptr->y, (i % 10) == 9 ? '\n' : ' ');

    i++;
    } while (++ptr < v);

    fprintf(fp, ";)\n\n");
    fclose(fp);

    mymail.filemode = FILE_READ;

    strcpy(mymail.owner, "[備.忘.錄]");
    if (userid == NULL)
    {
    strcpy(mymail.title, "圍棋打譜");
    }
    else
    snprintf(mymail.title, sizeof(mymail.title),
        "\033[37;41m棋譜\033[m %s VS %s", cuser.userid, userid);

    sethomedir(title, cuser.userid);
    append_record(title, &mymail, sizeof(mymail));
}

static int
go_key(int fd, int ch, Horder_t *mv)
{
    if (ch >= 'a' && ch <= 's' && ch != 'i')
    {
    char pbuf[4];
    int  vx, vy;

    pbuf[0] = ch;
    pbuf[1] = 0;

    if (fd) add_io(0, 0);
    getdata(21, 9, "直接指定位置(1 - 19)：", pbuf, 4, DOECHO);
    if (fd) add_io(fd, 0);
    move(21, 9);
    clrtoeol();
    //outs("                               ");

    vx = ch - 'a';
    if (ch > 'i')
        vx--;
    vy = atoi(pbuf) - 1;
    if( vx >= 0 && vx < BRDSIZ && vy >= 0 && vy < BRDSIZ && go[vx][vy] == BBLANK)
    {
        mv->x = vx;
        mv->y = vy;
        return 1;
    }
    }
    else
    {
    switch(ch)
    {
        case KEY_RIGHT:
        mv->x = (mv->x == BRDSIZ - 1) ? mv->x : mv->x + 1;
        break;
        case KEY_LEFT:
        mv->x = (mv->x == 0 ) ? 0 : mv->x - 1;
        break;
        case KEY_UP:
        mv->y = (mv->y == BRDSIZ - 1) ? mv->y : mv->y + 1;
        break;
        case KEY_DOWN:
        mv->y = (mv->y == 0 ) ? 0 : mv->y - 1;
        break;
        case ' ':
        case '\r':
        case '\n':
        if (go[(int)mv->x][(int)mv->y] == BBLANK && GO_check(mv))
            return 1;
    }
    }
    return 0;
}

static unsigned char 
GO_findcolor(int x, int y)
{
    int k, result = 0, color[4];

    if (go[x][y] != BBLANK)
    return 0;

    if (x > 0)
    {
    k = x;
    do --k;
    while ((go[k][y] == BBLANK) && (k > 0));
    color[0] = go[k][y];
    }
    else 
    color[0] = go[x][y];

    if (x < 18)
    {
    k = x;
    do ++k;
    while ((go[k][y] == BBLANK) && (k < 18));
    color[1] = go[k][y];
    }
    else
    color[1] = go[x][y];

    if (y > 0)
    {
    k = y;
    do --k;
    while ((go[x][k] == BBLANK) && (k > 0));
    color[2] = go[x][k];
    }
    else color[2] = go[x][y];

    if (y < 18)
    {
    k = y;
    do ++k;
    while ((go[x][k] == BBLANK) && (k < 18));
    color[3] = go[x][k];
    }
    else
    color[3] = go[x][y];

    for (k = 0;k < 4;k++)
    {
    if (color[k] == BBLANK)
        continue;
    else
    {
        result = color[k];
        break;
    }
    }

    for (k = 0;k < 4;k++)
    {
    if ((color[k] != BBLANK) && (color[k] != result))
        return 0;
    }

    return result;
}

static int
GO_result(void)
{
    int i, j, result;
    float count[2];
    char    *chessresult[] = { "‧", "。" }; 

    count[0] = count[1] = 0;

    for (i = 0; i < 19; i++)
    for (j = 0; j < 19; j++)
        if (go[i][j] == BBLANK)
        {
        result = GO_findcolor(i, j);
        BGOTO(i, j);
        if (result)
        {
            outs(chessresult[result - 1]);
            count[result - 1]++;
        }
        else
        {
            outs("×");
            win -= 0.5;   
        }
        }
        else
        count[go[i][j] - 1]++;
    redoscr();

    if (me == BBLACK)
    {
    move(5, 46);
    prints("%s 方目數：%-3.1f       ", bw_chess[me - 1], count[0]);
    move(6, 46);
    prints("%s 方目數：%-3.1f       ", bw_chess[he - 1], count[1]);
    move(21, 46);
    clrtoeol();
    move(8, 46);

    if (count[0] > 181 + win)
        return 1;
    }
    else
    {
    move(5, 46);
    prints("%s 方目數：%-3.1f       ", bw_chess[me - 1], count[1]);
    move(6, 46);
    prints("%s 方目數：%-3.1f       ", bw_chess[he - 1], count[0]);
    move(21, 46);
    clrtoeol();
    move(8, 46);

    if (count[0] <= 181 + win)
        return 1;
    }
    return 0;
}

void
GO_cleantable()
{
    move(1, 0);
    outs(
    "     A B C D E F G H J K L M N O P Q R S T\n"
    " 19 ┌┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┬┐ \n"
    " 18 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    " 17 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    " 16 ├┼┼＋┼┼┼┼┼＋┼┼┼┼┼＋┼┼┤ \n"
    " 15 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    " 14 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    " 13 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    " 12 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    " 11 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    " 10 ├┼┼＋┼┼┼┼┼＋┼┼┼┼┼＋┼┼┤ \n"
    "  9 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    "  8 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    "  7 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    "  6 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    "  5 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    "  4 ├┼┼＋┼┼┼┼┼＋┼┼┼┼┼＋┼┼┤ \n"
    "  3 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    "  2 ├┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┼┤ \n"
    "  1 └┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┴┘ \n"
    );
}

int
gochess(int fd)
{
    Horder_t    mv;
    userinfo_t *my = currutmp;
    time_t     mtime, htime, btime;
    int        i, j, ch = 0, passflag, endflag, totalgo, timeflag, is_view;
    unsigned char    mhand, hhand;
    int scr_need_redraw = 1;

    GO_init();

    hk = mk = 0;
    totalgo = 0;
    hik = hjk = -1;
    mik = mjk = -1;
    mhand = hhand = 250;    /* 不太可能一分鐘內下這麼多手 :p */
    mtime = htime = 60;     /* 一開始的一分鐘內不計手 */
    win = 3.5;

    me = !(my->turn) + 1;
    he = my->turn + 1;
    if (me > 2) me = 2;
    if (he > 2) he = 2;

    endflag = passflag = timeflag = 0;
    is_view = 1;

    setutmpmode(GO);

    clear();

    /* 觀戰用程式碼, 與 ptt 不相容
    if (me == BWHITE)
    {
    VIEWCHESS   vs;

    memset(&vs, 0, sizeof(VIEWCHESS));     
    strcpy(vs.userid[0], cuser.userid);
    strcpy(vs.userid[1], my->mateid);
    if (cshm_new(&vs) == -1)
        is_view = 0;
    }
    */

    prints("\033[1;46m  圍棋對戰  \033[45m%31s VS %-31s\033[m",
        cuser.userid, my->mateid);
    GO_cleantable();

    /* film_out(FILM_GO, 1); */

    add_io(fd, 0);

    mv.x = mv.y = 9;
    btime = now;

    for(;;)
    {
    if(scr_need_redraw){
        move(2, 46);
        prints("%s 方提子數：%3d", bw_chess[me - 1], hk);
        move(3, 46);
        prints("%s 方提子數：%3d", bw_chess[he - 1], mk);

        move(8, 46);
        clrtoeol();
        if (endflag)
        outs("請清除死子，以便計算勝負");
        else if (my->turn)
        prints("輪到自己下了.... 我是 %s", bw_chess[me - 1]);
        else
        outs("等待對方下子....");


        move(10, 46);
        clrtoeol();
        if (totalgo > 0)
        {
        if (pool[totalgo - 1].x == -1 || pool[totalgo - 1].y == -1)
            prints("%s #%-3d PASS 上一手    ", win ? bw_chess[(totalgo - 1) & 1] : bw_chess[totalgo & 1], totalgo);
        else
            prints("%s #%-3d %.1s%-2d  上一手    ", win ? bw_chess[(totalgo - 1) & 1] : bw_chess[totalgo & 1], totalgo, locE + pool[totalgo - 1].x, pool[totalgo - 1].y + 1);
        }

        for (i = totalgo - 1;i > 0 && totalgo - i <= 10;i--)
        {
        move(10 + totalgo - i, 46);
        clrtoeol();
        if (pool[i - 1].x == -1 || pool[i - 1].y == -1)
            prints("%s #%-3d PASS", win ? bw_chess[(i - 1) & 1] : bw_chess[i & 1], i);
        else
            prints("%s #%-3d %.1s%-2d ", win ? bw_chess[(i - 1) & 1] : bw_chess[i & 1], i, locE + pool[i - 1].x, pool[i - 1].y + 1);
        }

        move(21, 46);

        if (v == pool)
        {
        if (me == BWHITE && win != 0)
            outs("\033[1;33m按 x 讓子 y 不限時 Ctrl-C 中止棋局\033[m");
        else
            outs("\033[1;33m按 Ctrl-C 中止棋局\033[m");
        }
        else if (passflag && my->turn)
        {
        if (endflag)
            outs("\033[1;33m對方 DONE，己方 DONE 就計算結果\033[m");
        else
            outs("\033[1;33m對方 PASS，己方 PASS 就結束棋局\033[m");
        }
        else if (v > pool)
        clrtoeol();

        if (endflag)
        outmsg("\033[1;33;42m 下棋 \033[;31;47m (←↑↓→)\033[30m移動 \033[31m(空白鍵/ENTER)\033[30m下子 \033[31m(v)\033[30m傳訊 \033[31m(z)\033[30m投降 \033[31m(w)\033[30mDONE \033[31m(u)\033[30m回復      \033[m");
        else
        outmsg("\033[1;33;42m 下棋 \033[;31;47m (←↑↓→)\033[30m移動 \033[31m(空白鍵/ENTER)\033[30m下子 \033[31m(v)\033[30m傳訊 \033[31m(z)\033[30m投降 \033[31m(w)\033[30mPASS              \033[m");

        redoscr();
        scr_need_redraw = 0;
    }

    if (endflag || timeflag)
    {
        char buf[128];
        int n;
        //move(5, 46);
        n = sprintf(buf, "\033[6;47H%s 方時間：----- --", bw_chess[me - 1]);
        output(buf, n);
        //move(6, 46);
        n = sprintf(buf, "\033[7;47H%s 方時間：----- --", bw_chess[he - 1]);
        output(buf, n);
    }
    else
    {
        if (my->turn)
        {
        mtime -= now - btime;
        if (mtime < 0)
        {
            if (mhand > 25)     /* 第一分鐘過後，要在 12 分鐘內下 25 手 */
            {
            mtime = 12 * 60;
            mhand = 25;
            }
            else
            {
            mv.x = mv.y = -8;
            if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
                break;
            move(8, 46);
            outs("未在時間內完成 25 手，裁定敗");
            break;
            }
        }
        }
        else
        {
        htime -= now - btime;
        if (htime < 0)
        {
            if (hhand > 25)         /* 第一分鐘過後，要在 12 分鐘內下 25 手 */
            {
            htime = 12 * 60;
            hhand = 25;
            }
            else
            htime = 0;
        }
        }
        move(5, 46);
        clrtoeol();
        /* move() only move pointer in screen.c, doesn't move
         * curses correctly */
        //do_move(5, 35);
        {
        char buf[128];
        int n;
        //move(5, 46);
        n = sprintf(buf, "\033[6;47H%s 方時間：%02ld:%02ld ",
            bw_chess[me - 1], mtime / 60, mtime % 60);
        if (mhand <= 25)
            n += sprintf(buf + n, "%2d 手", 25 - mhand);
        output(buf, n);
        //move(6, 46);
        n = sprintf(buf, "\033[7;47H%s 方時間：%02ld:%02ld ",
            bw_chess[he - 1], htime / 60, htime % 60);
        if (hhand <= 25)
            n += sprintf(buf + n, "%2d 手", 25 - hhand); 
        output(buf, n);
        }
    }
    btime = now;

    iBGOTO(mv.x, mv.y);

    /*
    if (ch == -1 && is_view)
        cshm_update(mv.x, mv.y);
    */

    ch = igetch();

    if (ch == 'v')
    {
        //extern screenline *big_picture;
        screenline_t* screen0 = calloc(t_lines, sizeof(screenline_t));
        int y, x;

        memcpy(screen0, big_picture, t_lines * sizeof(screenline_t));
        add_io(0, 0);
        getyx(&y, &x);
        if (ch == 'v')
        {
        //extern char   watermode;

        //watermode = 2;
        my_write(0, "丟水球過去：", my->mateid, WATERBALL_GENERAL, &SHM->uinfo[my->destuip]);
        //watermode = 0;
        }
        /* ??? scw: when will these code be executed?
        else
        {
        show_last_call_in();
        my_write(currutmp->msgs[0].last_pid, "水球丟回去：");
        }
        */
        move(y, x);
        memcpy(big_picture, screen0, t_lines * sizeof(screenline_t));
        free(screen0);
        add_io(fd, 0);
        scr_need_redraw = 1;
        continue;
    } else if (ch == 'x') {
        if (v == pool && me == BWHITE && win != 0)
        {
        char buf[4];

        add_io(0, 0);
        getdata(21, 46, "要讓多少子呢(1 - 9)？ ", buf, 4, DOECHO);
        add_io(fd, 0);

        if (GO_sethand(atoi(buf)))
        {
            mv.x = -9;
            mv.y = atoi(buf);
            if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
            break;
            mv.x = mv.y = 9; 
            my->turn = 1;
            ch = -1;
        }
        continue;
        }
    }
    else if (ch == 'y')
    {
        if (v == pool && me == BWHITE)
        {
        timeflag = 1;
        mv.x = mv.y = -10;
        if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
            break;
        mv.x = mv.y = 9;
        ch = -1; 
        }
    }
    else if (ch == 'w')
    {
        if (endflag)
        {
        Horder_t tmp;

        if (passflag && my->turn)
        {
            tmp.x = tmp.y = -3;
            if (send(fd, &tmp, sizeof(Horder_t), 0) != sizeof(Horder_t))
            break;

            if (GO_result())
            outs("恭禧，您獲得勝利....      ");
            else
            outs("輸了，再接再勵呦....      ");

            if (me == BWHITE)
            ch = -1;

            break;
        }
        else
        {
            Horder_t tmp;

            passflag = 1;
            tmp.x = tmp.y = -6;
            if (send(fd, &tmp, sizeof(Horder_t), 0) != sizeof(Horder_t))
            break;
            my->turn = 0;

            if (me == BWHITE)
            ch = -1;

            continue;
        }
        }
        else
        {
        if (my->turn)
        {
            if (passflag)
            { 
            endflag = 1;
            passflag = 0;
            mv.x = mv.y = -2;
            if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
                break;
            mv.x = mv.y = 9;
            memcpy(l, go, sizeof(l));   /* 備份 */

            if (me == BWHITE)
                ch = -1;
            continue;
            }
            else
            {
            passflag = 1;
            mv.x = mv.y = -1;
            if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
                break;
            GO_add(&mv);
            totalgo++;
            mv.x = mv.y = 9; 
            my->turn = 0;

            if (me == BWHITE)
                ch = -1;
            continue;
            }
        }
        }
    }
    else if (ch == Ctrl('C')/* && v == pool */)
    {
        mv.x = mv.y = -5;
        if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
        break;
        break;
    }
    else if (ch == 'u')
    {
        if (endflag)
        {
        memcpy(go, l, sizeof(go));

        for(i = 0;i < 19;i++)
            for(j = 0;j < 19;j++)
            {
            BGOTO(i, j);
            if (go[i][j])
            {
                outs(bw_chess[go[i][j] - 1]);
            }
            else
                GO_blank(i, j);
            }
        redoscr();            
        mv.x = mv.y = -7;
        if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
            break;
        mv = *(v - 1);

        if (me == BWHITE)
            ch = -1;
        }   
    }
    else if (ch == 'z')
    {
        mv.x = mv.y = -4;
        if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
        break;
        move(8, 46);
        outs("您認輸了....             ");
        break;
    }

    if (ch == I_OTHERDATA)
    {
        ch = recv(fd, &mv, sizeof(Horder_t), 0);
        scr_need_redraw = 1;

        if (ch <= 0)
        {
        move(8, 46);
        outs("對方斷線....            ");
        break;
        }

        if (ch != sizeof(Horder_t))
        {
        continue;
        }

        if (mv.x == -9 && mv.y > 0)
        {
        GO_sethand(mv.y);
        mv.x = mv.y = 9;
        my->turn = 0;
        continue;
        }

        if (mv.x == -10 && mv.y == -10)
        {
        timeflag = 1;
        mv.x = mv.y = 9;
        continue;
        }

        if (mv.x == -5 && mv.y == -5){
        move(8, 46);
        outs("對方斷線....      ");
        break;
        }

        if (mv.x == -4 && mv.y == -4)
        {
        move(8, 46);
        outs("對方認輸....      ");
        break;
        }

        if (mv.x == -8 && mv.y == -8)
        {
        move(8, 46);
        outs("對方未在時間內完成 25 手，裁定勝");
        break;
        } 

        if (mv.x == -3 && mv.y == -3)
        {
        if (GO_result())
            outs("恭禧，您獲得勝利....      ");
        else
            outs("輸了，再接再勵呦....      "); 
        break;

        if (me == BWHITE)
            ch = -1;
        }

        if (mv.x == -2 && mv.y == -2)
        {
        endflag = 1;
        passflag = 0;
        mv.x = mv.y = 9;
        my->turn = 1;
        memcpy(l, go, sizeof(l));   /* 備份 */

        if (me == BWHITE)
            ch = -1;
        continue;
        } 

        if (mv.x == -7 && mv.y == -7)
        {
        memcpy(go, l, sizeof(go));

        for(i = 0;i < 19;i++)
            for(j = 0;j < 19;j++)
            {
            BGOTO(i, j);
            if (go[i][j])
            {
                outs(bw_chess[go[i][j] - 1]);
                redoln();
            }
            else
                GO_blank(i, j);
            }
        mv = *(v - 1);

        if (me == BWHITE)
            ch = -1;

        continue;
        }

        if (mv.x == -6 && mv.y == -6)
        {
        passflag = 1;
        mv = *(v - 1);
        my->turn = 1;

        if (me == BWHITE)
            ch = -1;

        continue;
        }

        if (mv.x == -1 && mv.y == -1)
        {
        GO_add(&mv);
        totalgo++;
        mv.x = mv.y = 9;

        passflag = 1;
        my->turn = 1;

        if (me == BWHITE)
            ch = -1;

        continue;
        }

        if (endflag)
        {
        int y, x;

        getyx(&y, &x);

        go[(int)mv.x][(int)mv.y] = BBLANK;
        GO_blank(mv.x, mv.y);
        /*
           hk++;
           */
        mv.x = (x - 4) / 2;
        mv.y = 20 - y;
        iBGOTO(mv.x, mv.y);

        if (me == BWHITE)
            ch = -1;    
        continue;
        }

        if (!my->turn)
        {
        GO_add(&mv);

        totalgo++;
        if (--hhand <= 0)
        {
            htime = 12 * 60;
            hhand = 25;
        }
        go[(int)mv.x][(int)mv.y] = he;
        BGOTO(mv.x, mv.y);
        outs(bw_chess[he - 1]);

        GO_examboard(me);
        my->turn = 1;
        htime -= now - btime;
        btime = now;
        passflag = 0;

        if (me == BWHITE)
            ch = -1;
        }
        continue;
    }

    if (endflag == 1 && (ch == ' ' || ch == '\r' || ch == '\n')) {
        if (go[(int)mv.x][(int)mv.y] == me)
        GO_cleandead(fd, mv.x, mv.y, me);

        if (me == BWHITE)
        ch = -1;
        continue;
    }

    if (my->turn)
    {
        if (go_key(fd, ch, &mv))
        my->turn = 0;
        else
        continue;

        if (!my->turn)
        {
        GO_add(&mv);

        totalgo++;
        mtime -= now - btime;
        btime = now;
        if (--mhand <= 0)
        {
            mtime = 12 * 60;
            mhand = 25; 
        }
        BGOTO(mv.x, mv.y);
        outs(bw_chess[me - 1]);
        go[(int)mv.x][(int)mv.y] = me;
        GO_examboard(he);
        if (send(fd, &mv, sizeof(Horder_t), 0) != sizeof(Horder_t))
            break;
        passflag = 0;

        if (me == BWHITE)
            ch = -1;
        scr_need_redraw = 1;
        }
    }
    }

    add_io(0, 0);
    close(fd);
    redoscr();

    igetch();

    /*
    if (me == BWHITE && is_view)
    cshm_free();
    */

    if (endflag)
    {
    for(i = 0;i < 19;i++)
        for(j = 0;j < 19;j++)
        {
        BGOTO(i, j);
        if (l[i][j])
        {
            outs(bw_chess[l[i][j] - 1]);
        }
        else
            GO_blank(i, j);
        } 
    }
    redoscr();

    if (v > pool + 10)
    {
    char ans[3];

    getdata(b_lines - 1, 0, "要存成棋譜嗎(Y/N)？[Y] ", ans, 3, LCECHO);

    if (*ans != 'n')
        GO_log(my->mateid);
    }

    return 0;
}

int
GoBot(void)
{
    Horder_t mv;
    int i, ch, totalgo;
    unsigned char  tmp_go[2][BRDSIZ][BRDSIZ];
    unsigned char  tmp_l[2][BRDSIZ][BRDSIZ];
    unsigned char  tmp_ml[2][BRDSIZ][BRDSIZ];
    int     tmp_lib[2], tmp_mik[2], tmp_mjk[2], tmp_hik[2], tmp_hjk[2];
    int scr_need_redraw = 1;

    GO_init();

    memset(&tmp_go, 0, sizeof(tmp_go));
    memset(&tmp_l, 0, sizeof(tmp_l));
    memset(&tmp_ml, 0, sizeof(tmp_ml));
    for (i = 0;i < 2;i++)
    {
    tmp_lib[i] = 0;
    tmp_mik[i] = tmp_mjk[i] = tmp_hik[i] = tmp_hjk[i] = -1;
    }


    me = BBLACK;
    he = BWHITE;
    hand = 0;
    totalgo = 0;
    hik = hjk = -1;
    mik = mjk = -1; 

    setutmpmode(GO);

    clear();

    prints("\033[1;46m  圍棋打譜  \033[45m%66s\033[m", " ");
    GO_cleantable();

    /* film_out(FILM_GO, 1); */

    mv.x = mv.y = 9;

    for(;;)
    {
    if(scr_need_redraw){
        move(8, 46);
        clrtoeol();
        prints("輪到 %s 方下了....", bw_chess[me - 1]);

        move(10, 46);
        clrtoeol();
        if (totalgo > 0)
        {
        if (pool[totalgo - 1].x == -1 || pool[totalgo - 1].y == -1)
            prints("%s #%-3d PASS 上一手    ", bw_chess[(totalgo - 1) & 1], totalgo);
        else
            prints("%s #%-3d %.1s%-2d  上一手    ", bw_chess[(totalgo - 1) & 1], totalgo, locE + pool[totalgo - 1].x, pool[totalgo - 1].y + 1);
        }

        for (i = totalgo - 1;i > 0 && totalgo - i <= 10;i--)
        {
        move(10 + totalgo - i, 46);
        clrtoeol();
        if (pool[i - 1].x == -1 || pool[i - 1].y == -1)
            prints("%s #%-3d PASS", bw_chess[(i - 1) & 1], i);
        else
            prints("%s #%-3d %.1s%-2d ", bw_chess[(i - 1) & 1], i, locE + pool[i - 1].x, pool[i - 1].y + 1);
        }

        outmsg(" 打譜  (←↑↓→)移動 (空白鍵/ENTER)下子 (u)回上一步 \033[31m(z)\033[30m離開                  ");    
        redoscr();
        scr_need_redraw = 0;
    }

    iBGOTO(mv.x, mv.y);

    ch = igetch();

    if (ch == 'z')
        break;
    else if (ch == 'u')
    {
        int j;
        if (!totalgo)
        continue;
        memset(go, 0, sizeof(go));
        memset( l, 0, sizeof(go));
        memset(ml, 0, sizeof(go));
        memset(&tmp_go, 0, sizeof(tmp_go));
        memset(&tmp_l, 0, sizeof(tmp_l));
        memset(&tmp_ml, 0, sizeof(tmp_ml));
        for (i = 0;i < 2;i++)
        {
        tmp_lib[i] = 0;
        tmp_mik[i] = tmp_mjk[i] = tmp_hik[i] = tmp_hjk[i] = -1;
        }
        me = BBLACK;
        he = BWHITE; 
        hik = hjk = -1;
        mik = mjk = -1; 

        /* film_out(FILM_GO, 1); */
        totalgo--;
        for (i = 0;i < totalgo;i++)
        {
        go[(int)pool[i].x][(int)pool[i].y] = me;
        GO_examboard(he);
        memcpy(&tmp_go[me - 1], &go, sizeof(l));
        memcpy(&tmp_l[me - 1], &l, sizeof(l));
        memcpy(&tmp_ml[me - 1], &ml, sizeof(ml));
        tmp_lib[me - 1] = lib;
        tmp_mik[me - 1] = mik;
        tmp_mjk[me - 1] = mjk;
        tmp_hik[me - 1] = hik;
        tmp_hjk[me - 1] = hjk;
        me = he;
        he = 3 - me;
        memcpy(&go, &tmp_go[me - 1], sizeof(l));
        memcpy(&l, &tmp_l[me - 1], sizeof(l));
        memcpy(&ml, &tmp_ml[me - 1], sizeof(ml));
        lib = tmp_lib[me - 1];
        mik = tmp_mik[me - 1];
        mjk = tmp_mjk[me - 1];
        hik = tmp_hik[me - 1];
        hjk = tmp_hjk[me - 1];
        go[(int)pool[i].x][(int)pool[i].y] = he;
        GO_examboard(me); 
        }   
        GO_cleantable();
        for (i = 0; i < BRDSIZ; ++i)
        for(j = 0; j < BRDSIZ; ++j)
            if (go[i][j]) {
            BGOTO(i, j);
            outs(bw_chess[go[i][j] - 1]);
            }
        scr_need_redraw = 1;
        mv = *(--v);
    }
    else 
    {
        if (go_key(0, ch, &mv))
        {
        GO_add(&mv);
        totalgo++;
        BGOTO(mv.x, mv.y);
        outs(bw_chess[me - 1]); 
        go[(int)mv.x][(int)mv.y] = me;
        GO_examboard(he);
        memcpy(&tmp_go[me - 1], &go, sizeof(l));
        memcpy(&tmp_l[me - 1], &l, sizeof(l));
        memcpy(&tmp_ml[me - 1], &ml, sizeof(ml));
        tmp_lib[me - 1] = lib;
        tmp_mik[me - 1] = mik;
        tmp_mjk[me - 1] = mjk;
        tmp_hik[me - 1] = hik;
        tmp_hjk[me - 1] = hjk;
        me = he;
        he = 3 - me;
        memcpy(&go, &tmp_go[me - 1], sizeof(l));
        memcpy(&l, &tmp_l[me - 1], sizeof(l));
        memcpy(&ml, &tmp_ml[me - 1], sizeof(ml));
        lib = tmp_lib[me - 1];
        mik = tmp_mik[me - 1];
        mjk = tmp_mjk[me - 1];
        hik = tmp_hik[me - 1];
        hjk = tmp_hjk[me - 1];
        go[(int)mv.x][(int)mv.y] = he;
        GO_examboard(me);
        scr_need_redraw = 1;
        }
    }
    }

    if (v > pool)
    {
    char ans[3];

    getdata(b_lines - 1, 0, "要存成棋譜嗎(Y/N)？[Y] ", ans, 3, LCECHO);

    if (*ans != 'n')
        GO_log(NULL);
    } 

    return 0;
}