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path: root/mbbsd/dark.c
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/* $Id$ */
#include "bbs.h"

#define RED   1
#define BLACK 0
typedef short int sint;

typedef struct item {
    short int       color, value, die, out;
}               item;

typedef struct cur {
    short int       y, x, end;
}               cur;

struct DarkData {
    item     brd[4][8];
    cur      curr;
    sint     rcount, bcount, cont, fix; /* cont:是否可連吃 */
    sint     my, mx, mly, mlx;      /* 移動的座標 標 */

    sint     cur_eaty, cur_eatx;    /* 吃掉對方其子的秀出座標 */
};

static char    * const rname[] = {"兵", "炮", "傌", "車", "相", "仕", "帥"};
static char    * const bname[] = {"卒", "包", "馬", "車", "象", "士", "將"};

static const sint     cury[] = {3, 5, 7, 9}, curx[] = {5, 9, 13, 17, 21, 25, 29, 33};

static void
brdswap(struct DarkData *dd, sint y, sint x, sint ly, sint lx)
{
    memcpy(&dd->brd[y][x], &dd->brd[ly][lx], sizeof(item));
    dd->brd[ly][lx].die = 1;
    dd->brd[ly][lx].color = -1; /* 沒這個color */
    dd->brd[ly][lx].value = -1;
}

static          sint
Is_win(struct DarkData *dd, item att, item det, sint y, sint x, sint ly, sint lx)
{
    sint            i, c = 0, min, max;
    if (att.value == 1) {   /* 砲 */
    if (y != ly && x != lx)
        return 0;
    if ((abs(ly - y) == 1 && dd->brd[y][x].die == 0) ||
        (abs(lx - x) == 1 && dd->brd[y][x].die == 0))
        return 0;
    if (y == ly) {
        if (x > lx) {
        max = x;
        min = lx;
        } else {
        max = lx;
        min = x;
        }
        for (i = min + 1; i < max; i++)
        if (dd->brd[y][i].die == 0)
            c++;
    } else if (x == lx) {
        if (y > ly) {
        max = y;
        min = ly;
        } else {
        max = ly;
        min = y;
        }
        for (i = min + 1; i < max; i++)
        if (dd->brd[i][x].die == 0)
            c++;
    }
    if (c != 1)
        return 0;
    if (det.die == 1)
        return 0;
    return 1;
    }
    /* 非砲 */
    if (((abs(ly - y) == 1 && x == lx) || (abs(lx - x) == 1 && ly == y)) && dd->brd[y][x].out == 1) {
    if (att.value == 0 && det.value == 6)
        return 1;
    else if (att.value == 6 && det.value == 0)
        return 0;
    else if (att.value >= det.value)
        return 1;
    else
        return 0;
    }
    return 0;
}

static          sint
Is_move(struct DarkData *dd, sint y, sint x, sint ly, sint lx)
{
    if (dd->brd[y][x].die == 1 && ((abs(ly - y) == 1 && x == lx) || (abs(lx - x) == 1 && ly == y)))
    return 1;
    return 0;
}

static void
brd_rand(struct DarkData *dd)
{
    sint            y, x, index;
    sint            tem[32];
    sint            value[32] = {
    0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6,
    0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6
    };

    bzero(dd->brd, sizeof(dd->brd));
    bzero(tem, sizeof(tem));
    bzero(&dd->curr, sizeof(dd->curr));
    for (y = 0; y < 4; y++)
    for (x = 0; x < 8; x++)
        while (1) {
        index = random() % 32;
        if (tem[index])
            continue;
        dd->brd[y][x].color = (index > 15) ? 0 : 1;
        dd->brd[y][x].value = value[index];
        tem[index] = 1;
        break;
        }
}

static void
brd_prints(void)
{
    clear();
    move(1, 0);
    outs("\n"
     "   ╭─┬─┬─┬─┬─┬─┬─┬─╮\n"
     "   │●│●│●│●│●│●│●│●│\n"
     "   ├─┼─┼─┼─┼─┼─┼─┼─┤\n"
     "   │●│●│●│●│●│●│●│●│\n"
     "   ├─┼─┼─┼─┼─┼─┼─┼─┤\n"
     "   │●│●│●│●│●│●│●│●│\n"
     "   ├─┼─┼─┼─┼─┼─┼─┼─┤\n"
     "   │●│●│●│●│●│●│●│●│\n"
     "   ╰─┴─┴─┴─┴─┴─┴─┴─╯\n"
     "   ");
}

static void
draw_line(struct DarkData *dd, sint y, sint f)
{
    sint            i;
    char            buf[1024], tmp[256];

    *buf = 0;
    *tmp = 0;
    strlcpy(buf, "\033[43;30m", sizeof(buf));
    for (i = 0; i < 8; i++) {
    if (dd->brd[y][i].die == 1)
        snprintf(tmp, sizeof(tmp), "│  ");
    else if (dd->brd[y][i].out == 0)
        snprintf(tmp, sizeof(tmp), "│●");
    else {
        snprintf(tmp, sizeof(tmp), "│\033[%s1;%dm%s\033[m\033[43;30m",
             (f == i) ? "1;47;" : "", (dd->brd[y][i].color) ? 31 : 34,
             (dd->brd[y][i].color) ? rname[dd->brd[y][i].value] :
             bname[dd->brd[y][i].value]);
    }
    strcat(buf, tmp);
    }
    strcat(buf, "│\033[m");

    move(cury[y], 3);
    clrtoeol();
    outs(buf);
}

static void
redraw(struct DarkData *dd)
{
    sint            i = 0;
    for (; i < 4; i++)
    draw_line(dd, i, -1);
}

static          sint
playing(struct DarkData *dd, sint fd, sint color, sint ch, sint * b, userinfo_t * uin)
{
    dd->curr.end = 0;
    move(cury[dd->my], curx[dd->mx]);

    if (dd->fix) {
    if (ch == 's') {
        dd->fix = 0;
        *b = 0;
        return 0;
    } else {
        draw_line(dd, dd->mly, -1);
    }
    }
    switch (ch) {
    case KEY_LEFT:
    if (dd->mx == 0)
        dd->mx = 7;
    else
        dd->mx--;
    move(cury[dd->my], curx[dd->mx]);
    *b = -1;
    break;
    case KEY_RIGHT:
    if (dd->mx == 7)
        dd->mx = 0;
    else
        dd->mx++;
    move(cury[dd->my], curx[dd->mx]);
    *b = -1;
    break;
    case KEY_UP:
    if (dd->my == 0)
        dd->my = 3;
    else
        dd->my--;
    move(cury[dd->my], curx[dd->mx]);
    *b = -1;
    break;
    case KEY_DOWN:
    if (dd->my == 3)
        dd->my = 0;
    else
        dd->my++;
    move(cury[dd->my], curx[dd->mx]);
    *b = -1;
    break;
    case 'q':
    case 'Q':
    if (!color)
        dd->bcount = 0;
    else
        dd->rcount = 0;
    *b = 0;
    return -2;
    case 'p':
    case 'P':
    return -3;
    case 'c':
    return -4;
    case 'g':
    return -5;
    case 's':           /* 翻開棋子 或是選擇棋子 */
    /* 選擇棋子 */
    if (dd->brd[dd->my][dd->mx].out == 1) {
        if (dd->brd[dd->my][dd->mx].color != color) {
        *b = -1;
        break;
        }
        if (dd->mly < 0) {  /* 可以選擇 */
        dd->mly = dd->my;
        dd->mlx = dd->mx;
        draw_line(dd, dd->my, dd->mx);
        *b = -1;
        break;
        } else if (dd->mly == dd->my && dd->mlx == dd->mx) {    /* 不選了 */
        dd->mly = -1;
        dd->mlx = -1;
        draw_line(dd, dd->my, -1);
        } else {
        draw_line(dd, dd->mly, -1);
        dd->mly = dd->my;
        dd->mlx = dd->mx;
        if (dd->brd[dd->mly][dd->mlx].value == 1)
            dd->fix = 1;
        draw_line(dd, dd->my, dd->mx);
        }
        *b = -1;
        break;
    }
    /* 翻開棋子 */
    if (dd->mly >= 0) {
        *b = -1;
        break;
    }           /* 本來就是翻開的 */
    /* 決定一開始的顏色 */
    if (currutmp->color == '.') {
        if (uin->color != '1' && uin->color != '0')
        currutmp->color = (dd->brd[dd->my][dd->mx].color) ? '1' : '0';
        else
        currutmp->color = (uin->color == '0') ? '1' : '0';
    }
    dd->brd[dd->my][dd->mx].out = 1;
    draw_line(dd, dd->my, -1);
    move(cury[dd->my], curx[dd->mx]);
    *b = 0;
    break;
    case 'u':
    move(0, 0);
    clrtoeol();
    prints("%s色%s cont=%d", 
        (dd->brd[dd->my][dd->mx].color == RED) ? "紅" : "黑", 
        rname[dd->brd[dd->my][dd->mx].value], dd->cont);
    *b = -1;
    break;
    case '\r':          /* 吃 or 移動  ly跟lx必須大於0 */
    case '\n':
    if (
        dd->mly >= 0        /* 要先選子 */
        &&
        dd->brd[dd->mly][dd->mlx].color != dd->brd[dd->my][dd->mx].color    /* 同色不能移動也不能吃 */
        &&
        (Is_move(dd, dd->my, dd->mx, dd->mly, dd->mlx) || 
         Is_win(dd, dd->brd[dd->mly][dd->mlx], dd->brd[dd->my][dd->mx], dd->my, dd->mx, dd->mly, dd->mlx))
        ) {
        if (dd->fix && dd->brd[dd->my][dd->mx].value < 0) {
        *b = -1;
        return 0;
        }
        if (dd->brd[dd->my][dd->mx].value >= 0 && dd->brd[dd->my][dd->mx].die == 0) {
        if (!color)
            dd->bcount--;
        else
            dd->rcount--;
        move(dd->cur_eaty, dd->cur_eatx);
        if(color)
            outs(bname[dd->brd[dd->my][dd->mx].value]);
        else
            outs(rname[dd->brd[dd->my][dd->mx].value]);
        if (dd->cur_eatx >= 26) {
            dd->cur_eatx = 5;
            dd->cur_eaty++;
        } else
            dd->cur_eatx += 3;
        }
        brdswap(dd, dd->my, dd->mx, dd->mly, dd->mlx);
        draw_line(dd, dd->mly, -1);
        draw_line(dd, dd->my, -1);
        if (dd->fix == 1)
        *b = -1;
        else {
        dd->mly = -1;
        dd->mlx = -1;
        *b = 0;
        }
    } else
        *b = -1;
    break;
    default:
    *b = -1;
    }

    if (!dd->rcount)
    return -1;
    else if (!dd->bcount)
    return -1;
    if (*b == -1)
    return 0;
    dd->curr.y = dd->my;
    dd->curr.x = dd->mx;
    dd->curr.end = (!*b) ? 1 : 0;
    send(fd, &dd->curr, sizeof(dd->curr), 0);
    send(fd, &dd->brd, sizeof(dd->brd), 0);
    return 0;
}

int
main_dark(int fd, userinfo_t * uin)
{
    sint            end = 0, ch = 1, i = 0;
    char            buf[16];
    struct DarkData dd;

    memset(&dd, 0, sizeof(dd));
    dd.my=dd.mx=0;
    dd.mly=dd.mlx=-1;

    *buf = 0;
    dd.fix = 0;
    currutmp->color = '.';
    /* '.' 表示還沒決定顏色 */
    dd.rcount = 16;
    dd.bcount = 16;
    //initialize
    dd.cur_eaty = 18, dd.cur_eatx = 5;
    setutmpmode(DARK);
    brd_prints();
    if (currutmp->turn) {
    brd_rand(&dd);
    send(fd, &dd.brd, sizeof(dd.brd), 0);
    mouts(21, 0, "   ◆你是先手");
    mouts(22, 0, "   ◆輪到你下了");
    } else {
    recv(fd, &dd.brd, sizeof(dd.brd), 0);
    mouts(21, 0, "   ◆你是後手");
    }
    move(12, 3);
    prints("%s[0勝0敗]vs.%s[0勝0敗]", currutmp->userid, currutmp->mateid);
    outs("\n"
     "                                                ╳╱功\能表╲╳╲╱╳╲\n"
     "                                                ╱ ↑←↓→: 移動\n"
     "                                                ╳ s:       選子,翻子\n"
     "                                                ╱ enter:    吃棋,放棋\n"
     " 已經解決的:                                 ╳ p:       合棋\n"
     "                                              ╱ q:       認輸\n"
     "                                                ╳ c:       換邊");

    if (currutmp->turn)
    move(cury[0], curx[0]);

    add_io(fd, 0);
    while (end <= 0) {
    if (uin->turn == 'w' || currutmp->turn == 'w') {
        end = -1;
        break;
    }
    ch = igetch();
    if (ch == I_OTHERDATA) {
        ch = recv(fd, &dd.curr, sizeof(dd.curr), 0);
        if (ch != sizeof(dd.curr)) {
        if (uin->turn == 'e') {
            end = -3;
            break;
        } else if (uin->turn != 'w') {
            end = -1;
            currutmp->turn = 'w';
            break;
        }
        end = -1;
        break;
        }
        if (dd.curr.end == -3)
        mouts(23, 30, "\033[33m要求合棋\033[m");
        else if (dd.curr.end == -4)
        mouts(23, 30, "\033[33m要求換邊\033[m");
        else if (dd.curr.end == -5)
        mouts(23, 30, "\033[33m要求連吃\033[m");
        else
        mouts(23, 30, "");

        recv(fd, &dd.brd, sizeof(dd.brd), 0);
        dd.my = dd.curr.y;
        dd.mx = dd.curr.x;
        redraw(&dd);
        if (dd.curr.end)
        mouts(22, 0, "   ◆輪到你下了");
        move(cury[dd.my], curx[dd.mx]);
    } else {
        if (currutmp->turn == 'p') {
        if (ch == 'y') {
            end = -3;
            currutmp->turn = 'e';
            break;
        } else {
            mouts(23, 30, "");
            *buf = 0;
            currutmp->turn = (uin->turn) ? 0 : 1;
        }
        } else if (currutmp->turn == 'c') {
        if (ch == 'y') {
            currutmp->color = (currutmp->color == '1') ? '0' : '1';
            uin->color = (uin->color == '1') ? '0' : '1';
            mouts(21, 0, (currutmp->color == '1') ? "   \033[1;33m◆你持紅色棋\033[m" : "   \033[1;33m◆你持黑色棋\033[m");
        } else {
            mouts(23, 30, "");
            currutmp->turn = (uin->turn) ? 0 : 1;
        }
        } else if (currutmp->turn == 'g') {
        if (ch == 'y') {
            dd.cont = 1;
            mouts(21, 0, "   \033[1;33m◆你持紅色棋\033[m 可連吃");
        } else {
            mouts(23, 30, "");
            currutmp->turn = (uin->turn) ? 0 : 1;
        }
        }
        if (currutmp->turn == 1) {
            sint go_on;
        if (uin->turn == 'g') {
            dd.cont = 1;
            uin->turn = (currutmp->turn) ? 0 : 1;
            mouts(21, 10, "可連吃");
        }
        end = playing(&dd, fd, currutmp->color - '0', ch, &go_on, uin);

        if (end == -1) {
            currutmp->turn = 'w';
            break;
        } else if (end == -2) {
            uin->turn = 'w';
            break;
        } else if (end == -3) {
            uin->turn = 'p';
            dd.curr.end = -3;
            send(fd, &dd.curr, sizeof(dd.curr), 0);
            send(fd, &dd.brd, sizeof(buf), 0);
            continue;
        } else if (end == -4) {
            if (currutmp->color != '1' && currutmp->color != '0')
            continue;
            uin->turn = 'c';
            i = 0;
            dd.curr.end = -4;
            send(fd, &dd.curr, sizeof(dd.curr), 0);
            send(fd, &dd.brd, sizeof(buf), 0);
            continue;
        } else if (end == -5) {
            uin->turn = 'g';
            dd.curr.end = -5;
            send(fd, &dd.curr, sizeof(dd.curr), 0);
            send(fd, &dd.brd, sizeof(buf), 0);
            continue;
        }
        if (!i && currutmp->color == '1') {
            mouts(21, 0, "   \033[1;33m◆你持紅色棋\033[m");
            i++;
            move(cury[dd.my], curx[dd.mx]);
        }
        if (!i && currutmp->color == '0') {
            mouts(21, 0, "   \033[1;33m◆你持黑色棋\033[m");
            i++;
            move(cury[dd.my], curx[dd.mx]);
        }
        if (uin->turn == 'e') {
            end = -3;
            break;
        }
        if (go_on < 0)
            continue;

        move(22, 0);
        clrtoeol();
        prints("   ◆輪到%s下 別怕別怕 他算啥米", currutmp->mateid);
        currutmp->turn = 0;
        uin->turn = 1;
        } else {
        if (ch == 'q') {
            uin->turn = 'w';
            break;
        }
        move(22, 0);
        clrtoeol();
        prints("   ◆輪到%s下 別怕別怕 他算啥米", currutmp->mateid);
        }
    }
    }

    switch (end) {
    case -1:
    case -2:
    if (currutmp->turn == 'w') {
        move(22, 0);
        clrtoeol();
        outs("你贏了.. 真是恭喜~~");
    } else {
        move(22, 0);
        clrtoeol();
        outs("輸掉了啦.....下次讓他好看!!");
    }
    break;
    case -3:
    mouts(22, 0, "合棋唷!! 下次在分高下吧 ^_^");
    break;
    default:
    add_io(0, 0);
    close(fd);
    pressanykey();
    return 0;
    }
    add_io(0, 0);
    close(fd);
    pressanykey();
    return 0;
}