From 1603deaec5d0a94c9a8201b0ba286e8e492a3602 Mon Sep 17 00:00:00 2001 From: in2 Date: Fri, 5 Jul 2002 17:10:28 +0000 Subject: indent git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@415 63ad8ddf-47c3-0310-b6dd-a9e9d9715204 --- mbbsd/chc_rule.c | 212 ++++++++++++++++++++++++++++++------------------------- 1 file changed, 115 insertions(+), 97 deletions(-) (limited to 'mbbsd/chc_rule.c') diff --git a/mbbsd/chc_rule.c b/mbbsd/chc_rule.c index e5a92c32..62996764 100644 --- a/mbbsd/chc_rule.c +++ b/mbbsd/chc_rule.c @@ -1,177 +1,195 @@ -/* $Id: chc_rule.c,v 1.2 2002/06/04 13:08:33 in2 Exp $ */ +/* $Id: chc_rule.c,v 1.3 2002/07/05 17:10:27 in2 Exp $ */ #include "bbs.h" #define CENTER(a, b) (((a) + (b)) >> 1) -void chc_init_board(board_t board) { +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[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[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 */ + board[6][6] = board[6][8] = CHE(7, chc_my); /* 兵 */ } -void chc_movechess(board_t board) { +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; - +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; +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) + 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++; + for (i = from.c + 1; i < to.c; i++) + if (board[to.r][i]) + rtv++; } else { - if(from.r > to.r) + 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++; + for (i = from.r + 1; i < to.r; i++) + if (board[i][to.c]) + rtv++; } return rtv; } -int chc_canmove(board_t board, rc_t from, rc_t to) { - int i; - int rd, cd, turn; +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) + 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)) + 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) || + if ((turn == (chc_my ^ 1) && to.r > 2) || + (turn == chc_my && to.r < 7) || to.c < 3 || to.c > 5) - return 0; + return 0; break; - case 2: /* 士 仕 */ - if(!(rd == 1 && cd == 1)) + 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) || + 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)) + 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)]) + 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)) + case 4: /* 車 */ + if (!(rd > 0 && cd == 0) && + !(rd == 0 && cd > 0)) return 0; - if(between(board, from, to, rd == 0)) + if (between(board, from, to, rd == 0)) return 0; break; - case 5: /* 馬 傌 */ - if(!(rd == 2 && cd == 1) && - !(rd == 1 && cd == 2)) + 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]) + if (rd == 2) { + if (board[CENTER(from.r, to.r)][from.c]) return 0; } else { - if(board[from.r][CENTER(from.c, to.c)]) + 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)) + 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; + 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)) + 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)) && + 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)) + 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; +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) { + 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 ; + return; } } -int chc_iskfk(board_t board) { - rc_t from, to; - +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) + if (from.c == to.c && between(board, from, to, 0) == 0) return 1; return 0; } -int chc_ischeck(board_t board, int turn) { - rc_t from, to; - +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)) + 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; } -- cgit v1.2.3