1 /* $NetBSD: main.c,v 1.32 2009/08/12 08:30:55 dholland 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 40 static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 5/31/93"; 41 #else 42 __RCSID("$NetBSD: main.c,v 1.32 2009/08/12 08:30:55 dholland Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <ctype.h> 47 #include <curses.h> 48 #include <err.h> 49 #include <errno.h> 50 #include <fcntl.h> 51 #include <signal.h> 52 #include <stdlib.h> 53 #include <time.h> 54 #include <unistd.h> 55 #include "robots.h" 56 57 extern const char *Scorefile; 58 extern int Max_per_uid; 59 60 static bool another(void); 61 62 int 63 main(int argc, char **argv) 64 { 65 const char *word; 66 bool show_only; 67 int score_wfd; /* high score writable file descriptor */ 68 int score_err = 0; /* hold errno from score file open */ 69 int maximum = 0; 70 int ch, i; 71 72 score_wfd = open(Scorefile, O_RDWR); 73 if (score_wfd < 0) 74 score_err = errno; 75 else if (score_wfd < 3) 76 exit(1); 77 78 /* Revoke setgid privileges */ 79 setgid(getgid()); 80 81 show_only = false; 82 Num_games = 1; 83 84 while ((ch = getopt(argc, argv, "Aajnrst")) != -1) { 85 switch (ch) { 86 case 'A': 87 Auto_bot = true; 88 break; 89 case 'a': 90 Start_level = 4; 91 break; 92 case 'j': 93 Jump = true; 94 break; 95 case 'n': 96 Num_games++; 97 break; 98 case 'r': 99 Real_time = true; 100 break; 101 case 's': 102 show_only = true; 103 break; 104 case 't': 105 Teleport = true; 106 break; 107 default: 108 errx(1, 109 "Usage: robots [-Aajnrst] [maximum] [scorefile]"); 110 break; 111 } 112 } 113 114 for (i = optind; i < argc; i++) { 115 word = argv[i]; 116 if (isdigit((unsigned char)word[0])) { 117 maximum = atoi(word); 118 } else { 119 Scorefile = word; 120 Max_per_uid = maximum; 121 if (score_wfd >= 0) 122 close(score_wfd); 123 score_wfd = open(Scorefile, O_RDWR); 124 if (score_wfd < 0) 125 score_err = errno; 126 #ifdef FANCY 127 word = strrchr(Scorefile, '/'); 128 if (word == NULL) 129 word = Scorefile; 130 if (strcmp(word, "pattern_roll") == 0) 131 Pattern_roll = true; 132 else if (strcmp(word, "stand_still") == 0) 133 Stand_still = true; 134 if (Pattern_roll || Stand_still) 135 Teleport = true; 136 #endif 137 } 138 } 139 140 if (show_only) { 141 show_score(); 142 exit(0); 143 /* NOTREACHED */ 144 } 145 146 if (score_wfd < 0) { 147 errno = score_err; 148 warn("%s", Scorefile); 149 warnx("High scores will not be recorded!"); 150 sleep(2); 151 } 152 153 if (!initscr()) 154 errx(0, "couldn't initialize screen"); 155 signal(SIGINT, quit); 156 cbreak(); 157 noecho(); 158 nonl(); 159 if (LINES != Y_SIZE || COLS != X_SIZE) { 160 if (LINES < Y_SIZE || COLS < X_SIZE) { 161 endwin(); 162 printf("Need at least a %dx%d screen\n", 163 Y_SIZE, X_SIZE); 164 exit(1); 165 } 166 delwin(stdscr); 167 stdscr = newwin(Y_SIZE, X_SIZE, 0, 0); 168 } 169 170 srandom(time(NULL)); 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 */ 203 void 204 quit(int dummy __unused) 205 { 206 endwin(); 207 exit(0); 208 /* NOTREACHED */ 209 } 210 211 /* 212 * another: 213 * See if another game is desired 214 */ 215 static bool 216 another(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