#include "bbs.h"
#define CENTER(a, b) (((a) + (b)) >> 1)
#define CHC_TIMEOUT 300
#define CHC_LOG "chc_log" /* log file name */
extern userinfo_t *uip;
typedef int (*play_func_t) (int, chcusr_t *, chcusr_t *, board_t, board_t);
typedef struct drc_t {
rc_t from, to;
} drc_t;
static rc_t chc_from, chc_to, chc_select, chc_cursor;
static int chc_lefttime;
static int chc_my, chc_turn, chc_selected, chc_firststep;
static char chc_mode;
static char chc_warnmsg[64];
static char chc_ipass = 0, chc_hepass = 0;
/* fp is for logging the step */
static FILE *fp = NULL;
static board_t *chc_bp;
static chc_act_list *act_list = NULL;
/* some constant variable definition */
static const char *turn_str[2] = {"黑的", "紅的"};
static const char *num_str[10] = {
"", "一", "二", "三", "四", "五", "六", "七", "八", "九"
};
static const char *chess_str[2][8] = {
/* 0 1 2 3 4 5 6 7 */
{" ", "將", "士", "象", "車", "馬", "包", "卒"},
{" ", "帥", "仕", "相", "車", "傌", "炮", "兵"}
};
static const char *chess_brd[BRD_ROW * 2 - 1] = {
/* 0 1 2 3 4 5 6 7 8 */
"┌─┬─┬─┬─┬─┬─┬─┬─┐", /* 0 */
"│ │ │ │＼│／│ │ │ │",
"├─┼─┼─┼─┼─┼─┼─┼─┤", /* 1 */
"│ │ │ │／│＼│ │ │ │",
"├─┼─┼─┼─┼─┼─┼─┼─┤", /* 2 */
"│ │ │ │ │ │ │ │ │",
"├─┼─┼─┼─┼─┼─┼─┼─┤", /* 3 */
"│ │ │ │ │ │ │ │ │",
"├─┴─┴─┴─┴─┴─┴─┴─┤", /* 4 */
"│ 楚 河 漢 界 │",
"├─┬─┬─┬─┬─┬─┬─┬─┤", /* 5 */
"│ │ │ │ │ │ │ │ │",
"├─┼─┼─┼─┼─┼─┼─┼─┤", /* 6 */
"│ │ │ │ │ │ │ │ │",
"├─┼─┼─┼─┼─┼─┼─┼─┤", /* 7 */
"│ │ │ │＼│／│ │ │ │",
"├─┼─┼─┼─┼─┼─┼─┼─┤", /* 8 */
"│ │ │ │／│＼│ │ │ │",
"└─┴─┴─┴─┴─┴─┴─┴─┘" /* 9 */
};
static char *hint_str[] = {
" q 認輸離開",
" p 要求和棋",
"方向鍵 移動遊標",
"Enter 選擇/移動"
};
/*
* Start of the network communication function.
*/
static int
chc_recvmove(int s)
{
drc_t buf;
if (read(s, &buf, sizeof(buf)) != sizeof(buf))
return 0;
chc_from = buf.from, chc_to = buf.to;
return 1;
}
static int
chc_sendmove(int s)
{
drc_t buf;
buf.from = chc_from, buf.to = chc_to;
if (write(s, &buf, sizeof(buf)) != sizeof(buf))
return 0;
return 1;
}
static void
chc_broadcast(chc_act_list *p, board_t board){
while(p){
if (chc_sendmove(p->sock) < 0) {
if (p->next->next == NULL)
p = NULL;
else {
chc_act_list *tmp = p->next->next;
p->next = tmp;
}
free(p->next);
}
p = p->next;
}
}
static int
chc_broadcast_recv(chc_act_list *act_list, board_t board){
if (!chc_recvmove(act_list->sock))
return 0;
chc_broadcast(act_list->next, board);
return 1;
}
static void
chc_broadcast_send(chc_act_list *act_list, board_t board){
chc_broadcast(act_list, board);
}
/*
* End of the network communication function.
*/
/*
* Start of the drawing function.
*/
static void
chc_movecur(int r, int c)
{
move(r * 2 + 3, c * 4 + 4);
}
static char *
getstep(board_t board, rc_t *from, rc_t *to)
{
int turn, fc, tc;
char *dir;
static char buf[80];
turn = CHE_O(board[from->r][from->c]);
fc = (turn == (chc_my ^ 1) ? from->c + 1 : 9 - from->c);
tc = (turn == (chc_my ^ 1) ? to->c + 1 : 9 - to->c);
if (from->r == to->r)
dir = "平";
else {
if (from->c == to->c)
tc = from->r - to->r;
if (tc < 0)
tc = -tc;
if ((turn == (chc_my ^ 1) && to->r > from->r) ||
(turn == chc_my && to->r < from->r))
dir = "進";
else
dir = "退";
}
sprintf(buf, "%s%s%s%s",
chess_str[turn][CHE_P(board[from->r][from->c])],
num_str[fc], dir, num_str[tc]);
return buf;
}
static void
showstep(board_t board)
{
int eatten;
prints("%s%s", CHE_O(board[chc_from.r][chc_from.c]) == 0 ? BLACK_COLOR : RED_COLOR, getstep(board, &chc_from, &chc_to));
eatten = board[chc_to.r][chc_to.c];
if (eatten)
prints("： %s%s",
CHE_O(eatten) == 0 ? BLACK_COLOR : RED_COLOR,
chess_str[CHE_O(eatten)][CHE_P(eatten)]);
prints("\033[m");
}
static void
chc_drawline(board_t board, chcusr_t *user1, chcusr_t *user2, int line)
{
int i, j;
move(line, 0);
clrtoeol();
if (line == 0) {
prints("\033[1;46m 象棋對戰 \033[45m%30s VS %-20s%10s\033[m",
user1->userid, user2->userid, chc_mode & CHC_WATCH ? "[觀棋模式]" : "");
} else if (line >= 3 && line <= 21) {
outs(" ");
for (i = 0; i < 9; i++) {
j = board[RTL(line)][i];
if ((line & 1) == 1 && j) {
if (chc_selected &&
chc_select.r == RTL(line) && chc_select.c == i)
prints("%s%s\033[m",
CHE_O(j) == 0 ? BLACK_REVERSE : RED_REVERSE,
chess_str[CHE_O(j)][CHE_P(j)]);
else
prints("%s%s\033[m",
CHE_O(j) == 0 ? BLACK_COLOR : RED_COLOR,
chess_str[CHE_O(j)][CHE_P(j)]);
} else
prints("%c%c", chess_brd[line - 3][i * 4],
chess_brd[line - 3][i * 4 + 1]);
if (i != 8)
prints("%c%c", chess_brd[line - 3][i * 4 + 2],
chess_brd[line - 3][i * 4 + 3]);
}
outs(" ");
if (line >= 3 && line < 3 + (int)dim(hint_str)) {
outs(hint_str[line - 3]);
} else if (line == SIDE_ROW) {
prints("\033[1m你是%s%s\033[m",
chc_my == 0 ? BLACK_COLOR : RED_COLOR,
turn_str[chc_my]);
} else if (line == TURN_ROW) {
prints("%s%s\033[m",
TURN_COLOR,
chc_my == chc_turn ? "輪到你下棋了" : "等待對方下棋");
} else if (line == STEP_ROW && !chc_firststep) {
showstep(board);
} else if (line == TIME_ROW) {
prints("剩餘時間 %d:%02d", chc_lefttime / 60, chc_lefttime % 60);
} else if (line == WARN_ROW) {
outs(chc_warnmsg);
} else if (line == MYWIN_ROW) {
prints("\033[1;33m%12.12s "
"\033[1;31m%2d\033[37m勝 "
"\033[34m%2d\033[37m敗 "
"\033[36m%2d\033[37m和\033[m",
user1->userid,
user1->win, user1->lose - 1, user1->tie);
} else if (line == HISWIN_ROW) {
prints("\033[1;33m%12.12s "
"\033[1;31m%2d\033[37m勝 "
"\033[34m%2d\033[37m敗 "
"\033[36m%2d\033[37m和\033[m",
user2->userid,
user2->win, user2->lose - 1, user2->tie);
}
} else if (line == 2 || line == 22) {
outs(" ");
if (line == 2)
for (i = 1; i <= 9; i++)
prints("%s ", num_str[i]);
else
for (i = 9; i >= 1; i--)
prints("%s ", num_str[i]);
}
}
static void
chc_redraw(chcusr_t *user1, chcusr_t *user2, board_t board)
{
int i;
for (i = 0; i <= 22; i++)
chc_drawline(board, user1, user2, i);
}
/*
* End of the drawing function.
*/
/*
* Start of the log function.
*/
int
chc_log_open(chcusr_t *user1, chcusr_t *user2, char *file)
{
char buf[128];
if ((fp = fopen(file, "w")) == NULL)
return -1;
sprintf(buf, "%s V.S. %s\n", user1->userid, user2->userid);
fputs(buf, fp);
return 0;
}
void
chc_log_close(void)
{
if (fp)
fclose(fp);
}
int
chc_log(char *desc)
{
if (fp)
return fputs(desc, fp);
return -1;
}
int
chc_log_step(board_t board, rc_t *from, rc_t *to)
{
char buf[80];
sprintf(buf, " %s%s\033[m\n", CHE_O(board[from->r][from->c]) == 0 ? BLACK_COLOR : RED_COLOR, getstep(board, from, to));
return chc_log(buf);
}
static int
chc_filter(struct dirent *dir)
{
if (strcmp(dir->d_name, ".") == 0 || strcmp(dir->d_name, "..") == 0 )
return 0;
return strstr(dir->d_name, ".poem") != NULL;
}
int
chc_log_poem(void)
{
struct dirent **namelist;
int n;
// TODO use readdir(), don't use lots of memory
n = scandir(BBSHOME"/etc/chess", &namelist, chc_filter, alphasort);
if (n < 0)
perror("scandir");
else {
char buf[80];
FILE *fp; // XXX shadow global fp
sprintf(buf, BBSHOME"/etc/chess/%s", namelist[rand() % n]->d_name);
if ((fp = fopen(buf, "r")) == NULL)
return -1;
while(fgets(buf, sizeof(buf), fp) != NULL)
chc_log(buf);
while(n--)
free(namelist[n]);
free(namelist);
fclose(fp);
}
return 0;
}
/*
* End of the log function.
*/
/*
* Start of the rule function.
*/
static void
chc_init_board(board_t board)
{
memset(board, 0, sizeof(board_t));
board[0][4] = CHE(1, chc_my ^ 1); /* 將 */
board[0][3] = board[0][5] = CHE(2, chc_my ^ 1); /* 士 */
board[0][2] = board[0][6] = CHE(3, chc_my ^ 1); /* 象 */
board[0][0] = board[0][8] = CHE(4, chc_my ^ 1); /* 車 */
board[0][1] = board[0][7] = CHE(5, chc_my ^ 1); /* 馬 */
board[2][1] = board[2][7] = CHE(6, chc_my ^ 1); /* 包 */
board[3][0] = board[3][2] = board[3][4] =
board[3][6] = board[3][8] = CHE(7, chc_my ^ 1); /* 卒 */
board[9][4] = CHE(1, chc_my); /* 帥 */
board[9][3] = board[9][5] = CHE(2, chc_my); /* 仕 */
board[9][2] = board[9][6] = CHE(3, chc_my); /* 相 */
board[9][0] = board[9][8] = CHE(4, chc_my); /* 車 */
board[9][1] = board[9][7] = CHE(5, chc_my); /* 傌 */
board[7][1] = board[7][7] = CHE(6, chc_my); /* 炮 */
board[6][0] = board[6][2] = board[6][4] =
board[6][6] = board[6][8] = CHE(7, chc_my); /* 兵 */
}
static void
chc_movechess(board_t board)
{
board[chc_to.r][chc_to.c] = board[chc_from.r][chc_from.c];
board[chc_from.r][chc_from.c] = 0;
}
static int
dist(rc_t from, rc_t to, int rowcol)
{
int d;
d = rowcol ? from.c - to.c : from.r - to.r;
return d > 0 ? d : -d;
}
static int
between(board_t board, rc_t from, rc_t to, int rowcol)
{
int i, rtv = 0;
if (rowcol) {
if (from.c > to.c)
i = from.c, from.c = to.c, to.c = i;
for (i = from.c + 1; i < to.c; i++)
if (board[to.r][i])
rtv++;
} else {
if (from.r > to.r)
i = from.r, from.r = to.r, to.r = i;
for (i = from.r + 1; i < to.r; i++)
if (board[i][to.c])
rtv++;
}
return rtv;
}
static int
chc_canmove(board_t board, rc_t from, rc_t to)
{
int i;
int rd, cd, turn;
rd = dist(from, to, 0);
cd = dist(from, to, 1);
turn = CHE_O(board[from.r][from.c]);
/* general check */
if (board[to.r][to.c] && CHE_O(board[to.r][to.c]) == turn)
return 0;
/* individual check */
switch (CHE_P(board[from.r][from.c])) {
case 1: /* 將 帥 */
if (!(rd == 1 && cd == 0) &&
!(rd == 0 && cd == 1))
return 0;
if ((turn == (chc_my ^ 1) && to.r > 2) ||
(turn == chc_my && to.r < 7) ||
to.c < 3 || to.c > 5)
return 0;
break;
case 2: /* 士 仕 */
if (!(rd == 1 && cd == 1))
return 0;
if ((turn == (chc_my ^ 1) && to.r > 2) ||
(turn == chc_my && to.r < 7) ||
to.c < 3 || to.c > 5)
return 0;
break;
case 3: /* 象 相 */
if (!(rd == 2 && cd == 2))
return 0;
if ((turn == (chc_my ^ 1) && to.r > 4) ||
(turn == chc_my && to.r < 5))
return 0;
/* 拐象腿 */
if (board[CENTER(from.r, to.r)][CENTER(from.c, to.c)])
return 0;
break;
case 4: /* 車 */
if (!(rd > 0 && cd == 0) &&
!(rd == 0 && cd > 0))
return 0;
if (between(board, from, to, rd == 0))
return 0;
break;
case 5: /* 馬 傌 */
if (!(rd == 2 && cd == 1) &&
!(rd == 1 && cd == 2))
return 0;
/* 拐馬腳 */
if (rd == 2) {
if (board[CENTER(from.r, to.r)][from.c])
return 0;
} else {
if (board[from.r][CENTER(from.c, to.c)])
return 0;
}
break;
case 6: /* 包 炮 */
if (!(rd > 0 && cd == 0) &&
!(rd == 0 && cd > 0))
return 0;
i = between(board, from, to, rd == 0);
if ((i > 1) ||
(i == 1 && !board[to.r][to.c]) ||
(i == 0 && board[to.r][to.c]))
return 0;
break;
case 7: /* 卒 兵 */
if (!(rd == 1 && cd == 0) &&
!(rd == 0 && cd == 1))
return 0;
if (((turn == (chc_my ^ 1) && to.r < 5) ||
(turn == chc_my && to.r > 4)) &&
cd != 0)
return 0;
if ((turn == (chc_my ^ 1) && to.r < from.r) ||
(turn == chc_my && to.r > from.r))
return 0;
break;
}
return 1;
}
static void
findking(board_t board, int turn, rc_t * buf)
{
int i, r, c;
r = (turn == (chc_my ^ 1)) ? 0 : 7;
for (i = 0; i < 3; r++, i++)
for (c = 3; c < 6; c++)
if (CHE_P(board[r][c]) == 1 &&
CHE_O(board[r][c]) == turn) {
buf->r = r, buf->c = c;
return;
}
}
static int
chc_iskfk(board_t board)
{
rc_t from, to;
findking(board, 0, &to);
findking(board, 1, &from);
if (from.c == to.c && between(board, from, to, 0) == 0)
return 1;
return 0;
}
static int
chc_ischeck(board_t board, int turn)
{
rc_t from, to;
findking(board, turn, &to);
for (from.r = 0; from.r < BRD_ROW; from.r++)
for (from.c = 0; from.c < BRD_COL; from.c++)
if (board[from.r][from.c] &&
CHE_O(board[from.r][from.c]) != turn)
if (chc_canmove(board, from, to))
return 1;
return 0;
}
/*
* End of the rule function.
*/
static void
chcusr_put(userec_t *userec, chcusr_t *user)
{
userec->chc_win = user->win;
userec->chc_lose = user->lose;
userec->chc_tie = user->tie;
}
static void
chcusr_get(userec_t *userec, chcusr_t *user)
{
strlcpy(user->userid, userec->userid, sizeof(user->userid));
user->win = userec->chc_win;
user->lose = userec->chc_lose;
user->tie = userec->chc_tie;
}
static int
hisplay(int s, chcusr_t *user1, chcusr_t *user2, board_t board, board_t tmpbrd)
{
int start_time;
int endgame = 0, endturn = 0;
start_time = now;
while (!endturn) {
chc_lefttime = CHC_TIMEOUT - (now - start_time);
if (chc_lefttime < 0) {
chc_lefttime = 0;
/* to make him break out igetkey() */
chc_from.r = -2;
chc_broadcast_send(act_list, board);
}
chc_drawline(board, user1, user2, TIME_ROW);
move(1, 0);
oflush();
switch (igetkey()) {
case 'q':
endgame = 2;
endturn = 1;
break;
case 'p':
if (chc_hepass) {
chc_from.r = -1;
chc_broadcast_send(act_list, board);
endgame = 3;
endturn = 1;
}
break;
case I_OTHERDATA:
if (!chc_broadcast_recv(act_list, board)) { /* disconnect */
endturn = 1;
endgame = 1;
} else {
if (chc_from.r == -1) {
chc_hepass = 1;
strlcpy(chc_warnmsg, "\033[1;33m要求和局!\033[m", sizeof(chc_warnmsg));
chc_drawline(board, user1, user2, WARN_ROW);
} else {
/* 座標變換
* (CHC_WATCH_PERSONAL 設定時
* 表觀棋者看的棋局為單人打譜的棋局)
* 棋盤需倒置的清況才要轉換
*/
/* 1.如果在觀棋 且棋局是別人在打譜 且輪到你 或*/
if ( ((chc_mode & CHC_WATCH) && (chc_mode & CHC_WATCH_PERSONAL)) ||
/* 2.自己在打譜 */
(chc_mode & CHC_PERSONAL) ||
((chc_mode & CHC_WATCH) && !chc_turn)
)
; // do nothing
else {
chc_from.r = 9 - chc_from.r, chc_from.c = 8 - chc_from.c;
chc_to.r = 9 - chc_to.r, chc_to.c = 8 - chc_to.c;
}
chc_cursor = chc_to;
if (CHE_P(board[chc_to.r][chc_to.c]) == 1)
endgame = 2;
endturn = 1;
chc_hepass = 0;
chc_drawline(board, user1, user2, STEP_ROW);
chc_log_step(board, &chc_from, &chc_to);
chc_movechess(board);
chc_drawline(board, user1, user2, LTR(chc_from.r));
chc_drawline(board, user1, user2, LTR(chc_to.r));
}
}
break;
}
}
return endgame;
}
static int
myplay(int s, chcusr_t *user1, chcusr_t *user2, board_t board, board_t tmpbrd)
{
int ch, start_time;
int endgame = 0, endturn = 0;
chc_ipass = 0, chc_selected = 0;
start_time = now;
chc_lefttime = CHC_TIMEOUT - (now - start_time);
bell();
while (!endturn) {
chc_drawline(board, user1, user2, TIME_ROW);
chc_movecur(chc_cursor.r, chc_cursor.c);
oflush();
ch = igetkey();
chc_lefttime = CHC_TIMEOUT - (now - start_time);
if (chc_lefttime < 0)
ch = 'q';
switch (ch) {
case I_OTHERDATA:
if (!chc_broadcast_recv(act_list, board)) { /* disconnect */
endgame = 1;
endturn = 1;
} else if (chc_from.r == -1 && chc_ipass) {
endgame = 3;
endturn = 1;
}
break;
case KEY_UP:
chc_cursor.r--;
if (chc_cursor.r < 0)
chc_cursor.r = BRD_ROW - 1;
break;
case KEY_DOWN:
chc_cursor.r++;
if (chc_cursor.r >= BRD_ROW)
chc_cursor.r = 0;
break;
case KEY_LEFT:
chc_cursor.c--;
if (chc_cursor.c < 0)
chc_cursor.c = BRD_COL - 1;
break;
case KEY_RIGHT:
chc_cursor.c++;
if (chc_cursor.c >= BRD_COL)
chc_cursor.c = 0;
break;
case 'q':
endgame = 2;
endturn = 1;
break;
case 'p':
chc_ipass = 1;
chc_from.r = -1;
chc_broadcast_send(act_list, board);
strlcpy(chc_warnmsg, "\033[1;33m要求和棋!\033[m", sizeof(chc_warnmsg));
chc_drawline(board, user1, user2, WARN_ROW);
bell();
break;
case '\r':
case '\n':
case ' ':
if (chc_selected) {
if (chc_cursor.r == chc_select.r &&
chc_cursor.c == chc_select.c) {
chc_selected = 0;
chc_drawline(board, user1, user2, LTR(chc_cursor.r));
} else if (chc_canmove(board, chc_select, chc_cursor)) {
if (CHE_P(board[chc_cursor.r][chc_cursor.c]) == 1)
endgame = 1;
chc_from = chc_select;
chc_to = chc_cursor;
if (!endgame) {
memcpy(tmpbrd, board, sizeof(board_t));
chc_movechess(tmpbrd);
}
if (endgame || !chc_iskfk(tmpbrd)) {
chc_drawline(board, user1, user2, STEP_ROW);
chc_log_step(board, &chc_from, &chc_to);
chc_movechess(board);
chc_broadcast_send(act_list, board);
chc_selected = 0;
chc_drawline(board, user1, user2, LTR(chc_from.r));
chc_drawline(board, user1, user2, LTR(chc_to.r));
endturn = 1;
} else {
strlcpy(chc_warnmsg, "\033[1;33m不可以王見王\033[m", sizeof(chc_warnmsg));
bell();
chc_drawline(board, user1, user2, WARN_ROW);
}
}
} else if (board[chc_cursor.r][chc_cursor.c] &&
CHE_O(board[chc_cursor.r][chc_cursor.c]) == chc_turn) {
chc_selected = 1;
chc_select = chc_cursor;
chc_drawline(board, user1, user2, LTR(chc_cursor.r));
}
break;
}
}
return endgame;
}
static void
mainloop(int s, chcusr_t *user1, chcusr_t *user2, board_t board, play_func_t play_func[2])
{
int endgame;
char buf[80];
board_t tmpbrd;
if (!(chc_mode & CHC_WATCH))
chc_turn = 1;
for (endgame = 0; !endgame; chc_turn ^= 1) {
chc_firststep = 0;
chc_drawline(board, user1, user2, TURN_ROW);
if (chc_ischeck(board, chc_turn)) {
strlcpy(chc_warnmsg, "\033[1;31m將軍!\033[m", sizeof(chc_warnmsg));
bell();
} else
chc_warnmsg[0] = 0;
chc_drawline(board, user1, user2, WARN_ROW);
endgame = play_func[chc_turn] (s, user1, user2, board, tmpbrd);
}
if (chc_mode & CHC_VERSUS) {
if (endgame == 1) {
strlcpy(chc_warnmsg, "對方認輸了!", sizeof(chc_warnmsg));
user1->win++;
currutmp->chc_win++;
} else if (endgame == 2) {
strlcpy(chc_warnmsg, "你認輸了!", sizeof(chc_warnmsg));
user1->lose++;
currutmp->chc_lose++;
} else {
strlcpy(chc_warnmsg, "和棋", sizeof(chc_warnmsg));
user1->tie++;
currutmp->chc_tie++;
}
user1->lose--;
chcusr_put(cuser, user1);
passwd_update(usernum, cuser);
}
else if (chc_mode & CHC_WATCH) {
strlcpy(chc_warnmsg, "結束觀棋", sizeof(chc_warnmsg));
}
else {
strlcpy(chc_warnmsg, "結束打譜", sizeof(chc_warnmsg));
}
chc_log("=> ");
if (endgame == 3)
chc_log("和局");
else{
sprintf(buf, "%s勝\n", chc_my && endgame == 1 ? "紅" : "黑");
chc_log(buf);
}
chc_drawline(board, user1, user2, WARN_ROW);
bell();
oflush();
}
static void
chc_init_play_func(chcusr_t *user1, chcusr_t *user2, play_func_t play_func[2])
{
char userid[2][IDLEN + 1];
if (chc_mode & CHC_PERSONAL) {
strlcpy(userid[0], cuser->userid, sizeof(userid[0]));
strlcpy(userid[1], cuser->userid, sizeof(userid[1]));
play_func[0] = play_func[1] = myplay;
}
else if (chc_mode & CHC_WATCH) {
userinfo_t *uinfo = search_ulist_userid(currutmp->mateid);
strlcpy(userid[0], uinfo->userid, sizeof(userid[0]));
strlcpy(userid[1], uinfo->mateid, sizeof(userid[1]));
play_func[0] = play_func[1] = hisplay;
}
else {
strlcpy(userid[0], cuser->userid, sizeof(userid[0]));
strlcpy(userid[1], currutmp->mateid, sizeof(userid[1]));
play_func[chc_my] = myplay;
play_func[chc_my ^ 1] = hisplay;
}
getuser(userid[0]);
chcusr_get(&xuser, user1);
getuser(userid[1]);
chcusr_get(&xuser, user2);
}
static void
chc_watch_request(int signo)
{
chc_act_list *tmp;
if (!(currstat & CHC))
return;
for(tmp = act_list; tmp->next != NULL; tmp = tmp->next);
tmp->next = (chc_act_list *)malloc(sizeof(chc_act_list));
tmp = tmp->next;
tmp->sock = reply_connection_request(uip);
if (tmp->sock < 0)
return;
tmp->next = NULL;
write(tmp->sock, chc_bp, sizeof(board_t));
write(tmp->sock, &chc_my, sizeof(chc_my));
write(tmp->sock, &chc_turn, sizeof(chc_turn));
write(tmp->sock, &currutmp->turn, sizeof(currutmp->turn));
write(tmp->sock, &chc_firststep, sizeof(chc_firststep));
write(tmp->sock, &chc_mode, sizeof(chc_mode));
}
static void
chc_init(int s, chcusr_t *user1, chcusr_t *user2, board_t board, play_func_t play_func[2])
{
userinfo_t *my = currutmp;
if (chc_mode & CHC_WATCH)
setutmpmode(CHESSWATCHING);
else
setutmpmode(CHC);
clear();
chc_warnmsg[0] = 0;
/* 從不同來源初始化各個變數 */
if (!(chc_mode & CHC_WATCH)) {
if (chc_mode & CHC_PERSONAL)
chc_my = 1;
else
chc_my = my->turn;
chc_firststep = 1;
chc_init_board(board);
chc_cursor.r = 9, chc_cursor.c = 0;
}
else {
char mode;
read(s, board, sizeof(board_t));
read(s, &chc_my, sizeof(chc_my));
read(s, &chc_turn, sizeof(chc_turn));
read(s, &my->turn, sizeof(my->turn));
read(s, &chc_firststep, sizeof(chc_firststep));
read(s, &mode, sizeof(mode));
if (mode & CHC_PERSONAL)
chc_mode |= CHC_WATCH_PERSONAL;
}
act_list = (chc_act_list *)malloc(sizeof(*act_list));
act_list->sock = s;
act_list->next = 0;
chc_init_play_func(user1, user2, play_func);
chc_redraw(user1, user2, board);
add_io(s, 0);
signal(SIGUSR1, chc_watch_request);
if (my->turn && !(chc_mode & CHC_WATCH))
chc_broadcast_recv(act_list, board);
user1->lose++;
if (chc_mode & CHC_VERSUS) {
passwd_query(usernum, &xuser);
chcusr_put(&xuser, user1);
passwd_update(usernum, &xuser);
}
if (!my->turn) {
if (!(chc_mode & CHC_WATCH))
chc_broadcast_send(act_list, board);
user2->lose++;
}
chc_redraw(user1, user2, board);
}
void
chc(int s, int mode)
{
chcusr_t user1, user2;
play_func_t play_func[2];
board_t board;
char mode0 = currutmp->mode;
char file[80];
signal(SIGUSR1, SIG_IGN);
chc_mode = mode;
chc_bp = &board;
chc_init(s, &user1, &user2, board, play_func);
setuserfile(file, CHC_LOG);
if (chc_log_open(&user1, &user2, file) < 0)
vmsg("無法紀錄棋局");
mainloop(s, &user1, &user2, board, play_func);
/* close these fd */
if (chc_mode & CHC_PERSONAL)
act_list = act_list->next;
while(act_list){
close(act_list->sock);
act_list = act_list->next;
}
add_io(0, 0);
if (chc_my)
pressanykey();
currutmp->mode = mode0;
if (getans("是否將棋譜寄回信箱？[N/y]") == 'y') {
char title[80];
sprintf(title, "%s V.S. %s", user1.userid, user2.userid);
chc_log("\n--\n\n");
chc_log_poem();
chc_log_close();
mail_id(cuser->userid, title, file, "[楚河漢界]");
}
else
chc_log_close();
signal(SIGUSR1, talk_request);
}
static userinfo_t *
chc_init_utmp(void)
{
char uident[16];
userinfo_t *uin;
stand_title("楚河漢界之爭");
generalnamecomplete(msg_uid, uident, sizeof(uident),
SHM->UTMPnumber,
completeutmp_compar,
completeutmp_permission,
completeutmp_getname);
if (uident[0] == '\0')
return NULL;
if ((uin = search_ulist_userid(uident)) == NULL)
return NULL;
uin->sig = SIG_CHC;
return uin;
}
int
chc_main(void)
{
userinfo_t *uin;
if ((uin = chc_init_utmp()) == NULL)
return -1;
uin->turn = 1;
currutmp->turn = 0;
strlcpy(uin->mateid, currutmp->userid, sizeof(uin->mateid));
strlcpy(currutmp->mateid, uin->userid, sizeof(currutmp->mateid));
my_talk(uin, friend_stat(currutmp, uin), 'c');
return 0;
}
int
chc_personal(void)
{
chc(0, CHC_PERSONAL);
return 0;
}
int
chc_watch(void)
{
int sock, msgsock;
userinfo_t *uin;
if ((uin = chc_init_utmp()) == NULL)
return -1;
if (uin->uid == currutmp->uid || uin->mode != CHC)
return -1;
if (getans("是否進行觀棋? [N/y]") != 'y')
return 0;
if ((sock = make_connection_to_somebody(uin, 10)) < 0) {
vmsg("無法建立連線");
return -1;
}
msgsock = accept(sock, (struct sockaddr *) 0, (socklen_t *) 0);
close(sock);
if (msgsock < 0)
return -1;
strlcpy(currutmp->mateid, uin->userid, sizeof(currutmp->mateid));
chc(msgsock, CHC_WATCH);
close(msgsock);
return 0;
}
