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-rw-r--r--mbbsd/chc.c1030
1 files changed, 1030 insertions, 0 deletions
diff --git a/mbbsd/chc.c b/mbbsd/chc.c
new file mode 100644
index 00000000..fbd716a1
--- /dev/null
+++ b/mbbsd/chc.c
@@ -0,0 +1,1030 @@
+#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;
+
+ n = scandir(BBSHOME"/etc/chess", &namelist, chc_filter, alphasort);
+ if (n < 0)
+ perror("scandir");
+ else {
+ char buf[80];
+ FILE *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)
+{
+ if (!(currstat & CHC))
+ return;
+ chc_act_list *tmp;
+ 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;
+
+ 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 ((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;
+}