1/* $NetBSD: main.c,v 1.34 2022/06/27 18:48:49 christos Exp $ */ 2 3/* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33#ifndef lint 34__COPYRIGHT("@(#) Copyright (c) 1980, 1993\ 35 The Regents of the University of California. All rights reserved."); 36#endif /* not lint */ 37 38#ifndef lint 39#if 0 40static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 5/31/93"; 41#else 42__RCSID("$NetBSD: main.c,v 1.34 2022/06/27 18:48:49 christos Exp $"); 43#endif 44#endif /* not lint */ 45 46#include <ctype.h> 47#include <curses.h> 48#include <string.h> 49#include <err.h> 50#include <errno.h> 51#include <fcntl.h> 52#include <signal.h> 53#include <stdlib.h> 54#include <time.h> 55#include <unistd.h> 56#include "robots.h" 57 58extern const char *Scorefile; 59extern int Max_per_uid; 60 61static bool another(void); 62 63int 64main(int argc, char **argv) 65{ 66 const char *word; 67 bool show_only; 68 int score_wfd; /* high score writable file descriptor */ 69 int score_err = 0; /* hold errno from score file open */ 70 int maximum = 0; 71 int ch, i; 72 73 score_wfd = open(Scorefile, O_RDWR); 74 if (score_wfd < 0) 75 score_err = errno; 76 else if (score_wfd < 3) 77 exit(1); 78 79 /* Revoke setgid privileges */ 80 setgid(getgid()); 81 82 show_only = false; 83 Num_games = 1; 84 85 while ((ch = getopt(argc, argv, "Aajnrst")) != -1) { 86 switch (ch) { 87 case 'A': 88 Auto_bot = true; 89 break; 90 case 'a': 91 Start_level = 4; 92 break; 93 case 'j': 94 Jump = true; 95 break; 96 case 'n': 97 Num_games++; 98 break; 99 case 'r': 100 Real_time = true; 101 break; 102 case 's': 103 show_only = true; 104 break; 105 case 't': 106 Teleport = true; 107 break; 108 default: 109 errx(1, 110 "Usage: robots [-Aajnrst] [maximum] [scorefile]"); 111 break; 112 } 113 } 114 115 for (i = optind; i < argc; i++) { 116 word = argv[i]; 117 if (isdigit((unsigned char)word[0])) { 118 maximum = atoi(word); 119 } else { 120 Scorefile = word; 121 Max_per_uid = maximum; 122 if (score_wfd >= 0) 123 close(score_wfd); 124 score_wfd = open(Scorefile, O_RDWR); 125 if (score_wfd < 0) 126 score_err = errno; 127#ifdef FANCY 128 word = strrchr(Scorefile, '/'); 129 if (word == NULL) 130 word = Scorefile; 131 if (strcmp(word, "pattern_roll") == 0) 132 Pattern_roll = true; 133 else if (strcmp(word, "stand_still") == 0) 134 Stand_still = true; 135 if (Pattern_roll || Stand_still) 136 Teleport = true; 137#endif 138 } 139 } 140 141 if (show_only) { 142 show_score(); 143 exit(0); 144 /* NOTREACHED */ 145 } 146 147 if (score_wfd < 0) { 148 errno = score_err; 149 warn("%s", Scorefile); 150 warnx("High scores will not be recorded!"); 151 sleep(2); 152 } 153 154 if (!initscr()) 155 errx(0, "couldn't initialize screen"); 156 signal(SIGINT, quit); 157 cbreak(); 158 noecho(); 159 nonl(); 160 if (LINES != Y_SIZE || COLS != X_SIZE) { 161 if (LINES < Y_SIZE || COLS < X_SIZE) { 162 endwin(); 163 printf("Need at least a %dx%d screen\n", 164 Y_SIZE, X_SIZE); 165 exit(1); 166 } 167 delwin(stdscr); 168 stdscr = newwin(Y_SIZE, X_SIZE, 0, 0); 169 } 170 171 if (Real_time) 172 signal(SIGALRM, move_robots); 173 do { 174 while (Num_games--) { 175 init_field(); 176 for (Level = Start_level; !Dead; Level++) { 177 make_level(); 178 play_level(); 179 if (Auto_bot) 180 sleep(1); 181 } 182 move(My_pos.y, My_pos.x); 183 printw("AARRrrgghhhh...."); 184 refresh(); 185 if (Auto_bot) 186 sleep(1); 187 score(score_wfd); 188 if (Auto_bot) 189 sleep(1); 190 refresh(); 191 } 192 Num_games = 1; 193 } while (!Auto_bot && another()); 194 quit(0); 195 /* NOTREACHED */ 196 return(0); 197} 198 199/* 200 * quit: 201 * Leave the program elegantly. 202 */ 203void 204quit(int dummy __unused) 205{ 206 endwin(); 207 exit(0); 208 /* NOTREACHED */ 209} 210 211/* 212 * another: 213 * See if another game is desired 214 */ 215static bool 216another(void) 217{ 218 int y; 219 220#ifdef FANCY 221 if ((Stand_still || Pattern_roll) && !Newscore) 222 return true; 223#endif 224 225 if (query("Another game?")) { 226 if (Full_clear) { 227 for (y = 1; y <= Num_scores; y++) { 228 move(y, 1); 229 clrtoeol(); 230 } 231 refresh(); 232 } 233 return true; 234 } 235 return false; 236} 237