551 lines
12 KiB
C
551 lines
12 KiB
C
/* $NetBSD: main.c,v 1.12 2004/01/27 20:30:29 jsm Exp $ */
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/*
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* Copyright (c) 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1994\n\
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The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)main.c 8.4 (Berkeley) 5/4/95";
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#else
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__RCSID("$NetBSD: main.c,v 1.12 2004/01/27 20:30:29 jsm Exp $");
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#endif
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#endif /* not lint */
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#include <curses.h>
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#include <err.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "gomoku.h"
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#define USER 0 /* get input from standard input */
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#define PROGRAM 1 /* get input from program */
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#define INPUTF 2 /* get input from a file */
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int interactive = 1; /* true if interactive */
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int debug; /* true if debugging */
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int test; /* both moves come from 1: input, 2: computer */
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char *prog; /* name of program */
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FILE *debugfp; /* file for debug output */
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FILE *inputfp; /* file for debug input */
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const char pdir[4] = "-\\|/";
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char fmtbuf[128];
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struct spotstr board[BAREA]; /* info for board */
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struct combostr frames[FAREA]; /* storage for all frames */
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struct combostr *sortframes[2]; /* sorted list of non-empty frames */
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u_char overlap[FAREA * FAREA]; /* true if frame [a][b] overlap */
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short intersect[FAREA * FAREA]; /* frame [a][b] intersection */
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int movelog[BSZ * BSZ]; /* log of all the moves */
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int movenum; /* current move number */
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const char *plyr[2]; /* who's who */
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int main(int, char *[]);
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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char buf[128];
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int color, curmove, i, ch;
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int input[2];
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static const char *const fmt[2] = {
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"%3d %-6s",
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"%3d %-6s"
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};
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/* Revoke setgid privileges */
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setgid(getgid());
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color = curmove = 0;
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prog = strrchr(argv[0], '/');
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if (prog)
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prog++;
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else
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prog = argv[0];
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while ((ch = getopt(argc, argv, "bcdD:u")) != -1) {
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switch (ch) {
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case 'b': /* background */
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interactive = 0;
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break;
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case 'd': /* debugging */
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debug++;
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break;
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case 'D': /* log debug output to file */
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if ((debugfp = fopen(optarg, "w")) == NULL)
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err(1, "%s", optarg);
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break;
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case 'u': /* testing: user verses user */
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test = 1;
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break;
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case 'c': /* testing: computer verses computer */
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test = 2;
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break;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc) {
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if ((inputfp = fopen(*argv, "r")) == NULL)
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err(1, "%s", *argv);
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}
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if (!debug)
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#ifdef SVR4
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srand(time(0));
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#else
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srandom(time(0));
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#endif
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if (interactive)
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cursinit(); /* initialize curses */
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again:
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bdinit(board); /* initialize board contents */
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if (interactive) {
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plyr[BLACK] = plyr[WHITE] = "???";
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bdisp_init(); /* initialize display of board */
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#ifdef DEBUG
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signal(SIGINT, whatsup);
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#else
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signal(SIGINT, quitsig);
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#endif
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if (inputfp == NULL && test == 0) {
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for (;;) {
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ask("black or white? ");
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getline(buf, sizeof(buf));
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if (buf[0] == 'b' || buf[0] == 'B') {
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color = BLACK;
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break;
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}
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if (buf[0] == 'w' || buf[0] == 'W') {
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color = WHITE;
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break;
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}
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move(22, 0);
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printw("Black moves first. Please enter `black' or `white'\n");
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}
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move(22, 0);
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clrtoeol();
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}
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} else {
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setbuf(stdout, 0);
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getline(buf, sizeof(buf));
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if (strcmp(buf, "black") == 0)
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color = BLACK;
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else if (strcmp(buf, "white") == 0)
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color = WHITE;
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else {
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sprintf(fmtbuf,
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"Huh? Expected `black' or `white', got `%s'\n",
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buf);
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panic(fmtbuf);
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}
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}
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if (inputfp) {
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input[BLACK] = INPUTF;
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input[WHITE] = INPUTF;
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} else {
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switch (test) {
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case 0: /* user verses program */
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input[color] = USER;
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input[!color] = PROGRAM;
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break;
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case 1: /* user verses user */
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input[BLACK] = USER;
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input[WHITE] = USER;
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break;
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case 2: /* program verses program */
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input[BLACK] = PROGRAM;
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input[WHITE] = PROGRAM;
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break;
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}
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}
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if (interactive) {
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plyr[BLACK] = input[BLACK] == USER ? "you" : prog;
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plyr[WHITE] = input[WHITE] == USER ? "you" : prog;
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bdwho(1);
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}
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for (color = BLACK; ; color = !color) {
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top:
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switch (input[color]) {
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case INPUTF: /* input comes from a file */
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curmove = readinput(inputfp);
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if (curmove != ILLEGAL)
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break;
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switch (test) {
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case 0: /* user verses program */
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input[color] = USER;
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input[!color] = PROGRAM;
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break;
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case 1: /* user verses user */
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input[BLACK] = USER;
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input[WHITE] = USER;
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break;
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case 2: /* program verses program */
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input[BLACK] = PROGRAM;
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input[WHITE] = PROGRAM;
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break;
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}
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plyr[BLACK] = input[BLACK] == USER ? "you" : prog;
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plyr[WHITE] = input[WHITE] == USER ? "you" : prog;
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bdwho(1);
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goto top;
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case USER: /* input comes from standard input */
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getinput:
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if (interactive)
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ask("move? ");
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if (!getline(buf, sizeof(buf))) {
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curmove = RESIGN;
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break;
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}
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if (buf[0] == '\0')
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goto getinput;
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curmove = ctos(buf);
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if (interactive) {
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if (curmove == SAVE) {
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FILE *fp;
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ask("save file name? ");
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(void)getline(buf, sizeof(buf));
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if ((fp = fopen(buf, "w")) == NULL) {
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glog("cannot create save file");
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goto getinput;
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}
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for (i = 0; i < movenum - 1; i++)
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fprintf(fp, "%s\n",
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stoc(movelog[i]));
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fclose(fp);
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goto getinput;
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}
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if (curmove != RESIGN &&
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board[curmove].s_occ != EMPTY) {
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glog("Illegal move");
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goto getinput;
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}
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}
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break;
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case PROGRAM: /* input comes from the program */
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curmove = pickmove(color);
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break;
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}
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if (interactive) {
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sprintf(fmtbuf, fmt[color], movenum, stoc(curmove));
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glog(fmtbuf);
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}
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if ((i = makemove(color, curmove)) != MOVEOK)
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break;
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if (interactive)
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bdisp();
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}
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if (interactive) {
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move(22, 0);
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switch (i) {
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case WIN:
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if (input[color] == PROGRAM)
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addstr("Ha ha, I won");
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else
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addstr("Rats! you won");
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break;
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case TIE:
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addstr("Wow! its a tie");
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break;
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case ILLEGAL:
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addstr("Illegal move");
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break;
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}
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clrtoeol();
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bdisp();
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if (i != RESIGN) {
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replay:
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ask("replay? ");
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if (getline(buf, sizeof(buf)) &&
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(buf[0] == 'y' || buf[0] == 'Y'))
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goto again;
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if (strcmp(buf, "save") == 0) {
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FILE *fp;
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ask("save file name? ");
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(void)getline(buf, sizeof(buf));
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if ((fp = fopen(buf, "w")) == NULL) {
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glog("cannot create save file");
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goto replay;
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}
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for (i = 0; i < movenum - 1; i++)
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fprintf(fp, "%s\n",
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stoc(movelog[i]));
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fclose(fp);
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goto replay;
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}
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}
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}
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quit();
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/* NOTREACHED */
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return(0);
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}
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int
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readinput(fp)
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FILE *fp;
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{
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char *cp;
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int c;
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cp = fmtbuf;
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while ((c = getc(fp)) != EOF && c != '\n')
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*cp++ = c;
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*cp = '\0';
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return (ctos(fmtbuf));
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}
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#ifdef DEBUG
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/*
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* Handle strange situations.
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*/
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void
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whatsup(signum)
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int signum;
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{
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int i, pnum, n, s1, s2, d1, d2;
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struct spotstr *sp;
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FILE *fp;
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char *str;
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struct elist *ep;
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struct combostr *cbp;
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if (!interactive)
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quit();
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top:
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ask("cmd? ");
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if (!getline(fmtbuf, sizeof(fmtbuf)))
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quit();
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switch (*fmtbuf) {
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case '\0':
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goto top;
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case 'q': /* conservative quit */
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quit();
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case 'd': /* set debug level */
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debug = fmtbuf[1] - '0';
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sprintf(fmtbuf, "Debug set to %d", debug);
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dlog(fmtbuf);
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sleep(1);
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case 'c':
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break;
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case 'b': /* back up a move */
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if (movenum > 1) {
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movenum--;
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board[movelog[movenum - 1]].s_occ = EMPTY;
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bdisp();
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}
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goto top;
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case 's': /* suggest a move */
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i = fmtbuf[1] == 'b' ? BLACK : WHITE;
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sprintf(fmtbuf, "suggest %c %s", i == BLACK ? 'B' : 'W',
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stoc(pickmove(i)));
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dlog(fmtbuf);
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goto top;
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case 'f': /* go forward a move */
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board[movelog[movenum - 1]].s_occ = movenum & 1 ? BLACK : WHITE;
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movenum++;
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bdisp();
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goto top;
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case 'l': /* print move history */
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if (fmtbuf[1] == '\0') {
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for (i = 0; i < movenum - 1; i++)
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dlog(stoc(movelog[i]));
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goto top;
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}
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if ((fp = fopen(fmtbuf + 1, "w")) == NULL)
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goto top;
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for (i = 0; i < movenum - 1; i++) {
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fprintf(fp, "%s", stoc(movelog[i]));
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if (++i < movenum - 1)
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fprintf(fp, " %s\n", stoc(movelog[i]));
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else
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fputc('\n', fp);
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}
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bdump(fp);
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fclose(fp);
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goto top;
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case 'o':
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n = 0;
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for (str = fmtbuf + 1; *str; str++)
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if (*str == ',') {
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for (d1 = 0; d1 < 4; d1++)
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if (str[-1] == pdir[d1])
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break;
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str[-1] = '\0';
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sp = &board[s1 = ctos(fmtbuf + 1)];
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n = (sp->s_frame[d1] - frames) * FAREA;
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*str++ = '\0';
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break;
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}
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sp = &board[s2 = ctos(str)];
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while (*str)
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str++;
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for (d2 = 0; d2 < 4; d2++)
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if (str[-1] == pdir[d2])
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break;
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n += sp->s_frame[d2] - frames;
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str = fmtbuf;
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sprintf(str, "overlap %s%c,", stoc(s1), pdir[d1]);
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str += strlen(str);
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sprintf(str, "%s%c = %x", stoc(s2), pdir[d2], overlap[n]);
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dlog(fmtbuf);
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goto top;
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case 'p':
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sp = &board[i = ctos(fmtbuf + 1)];
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sprintf(fmtbuf, "V %s %x/%d %d %x/%d %d %d %x", stoc(i),
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sp->s_combo[BLACK].s, sp->s_level[BLACK],
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sp->s_nforce[BLACK],
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sp->s_combo[WHITE].s, sp->s_level[WHITE],
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sp->s_nforce[WHITE], sp->s_wval, sp->s_flg);
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dlog(fmtbuf);
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sprintf(fmtbuf, "FB %s %x %x %x %x", stoc(i),
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sp->s_fval[BLACK][0].s, sp->s_fval[BLACK][1].s,
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sp->s_fval[BLACK][2].s, sp->s_fval[BLACK][3].s);
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dlog(fmtbuf);
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sprintf(fmtbuf, "FW %s %x %x %x %x", stoc(i),
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sp->s_fval[WHITE][0].s, sp->s_fval[WHITE][1].s,
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sp->s_fval[WHITE][2].s, sp->s_fval[WHITE][3].s);
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dlog(fmtbuf);
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goto top;
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case 'e': /* e {b|w} [0-9] spot */
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str = fmtbuf + 1;
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if (*str >= '0' && *str <= '9')
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n = *str++ - '0';
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else
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n = 0;
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sp = &board[i = ctos(str)];
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for (ep = sp->s_empty; ep; ep = ep->e_next) {
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cbp = ep->e_combo;
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if (n) {
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if (cbp->c_nframes > n)
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continue;
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if (cbp->c_nframes != n)
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break;
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}
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printcombo(cbp, fmtbuf);
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dlog(fmtbuf);
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}
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goto top;
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default:
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syntax:
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dlog("Options are:");
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dlog("q - quit");
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dlog("c - continue");
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dlog("d# - set debug level to #");
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dlog("p# - print values at #");
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goto top;
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}
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}
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#endif /* DEBUG */
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/*
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* Display debug info.
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*/
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void
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dlog(str)
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const char *str;
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{
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if (debugfp)
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fprintf(debugfp, "%s\n", str);
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if (interactive)
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dislog(str);
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else
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fprintf(stderr, "%s\n", str);
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}
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void
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glog(str)
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const char *str;
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{
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if (debugfp)
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fprintf(debugfp, "%s\n", str);
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if (interactive)
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dislog(str);
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else
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printf("%s\n", str);
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}
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void
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quit()
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{
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if (interactive) {
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bdisp(); /* show final board */
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cursfini();
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}
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exit(0);
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}
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void
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quitsig(dummy)
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int dummy __attribute__((__unused__));
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{
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quit();
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}
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/*
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* Die gracefully.
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*/
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void
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panic(str)
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const char *str;
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{
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fprintf(stderr, "%s: %s\n", prog, str);
|
|
fputs("resign\n", stdout);
|
|
quit();
|
|
}
|