1 /* $OpenBSD: main.c,v 1.30 2021/10/23 11:22:49 mestre Exp $ */ 2 /* $NetBSD: main.c,v 1.5 1995/04/22 10:08:54 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1980, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <err.h> 34 #include <errno.h> 35 #include <fcntl.h> 36 #include <signal.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <unistd.h> 40 41 #include "robots.h" 42 43 void 44 usage(void) 45 { 46 fprintf(stderr, "usage: %s [-ajrst] [scorefile]\n", getprogname()); 47 exit(1); 48 } 49 50 int 51 main(int ac, char *av[]) 52 { 53 bool show_only; 54 extern char Scorefile[PATH_MAX]; 55 int score_wfd; /* high score writable file descriptor */ 56 int score_err = 0; /* hold errno from score file open */ 57 int ch; 58 int ret; 59 char *home; 60 #ifdef FANCY 61 char *sp; 62 #endif 63 64 home = getenv("HOME"); 65 if (home == NULL || *home == '\0') 66 err(1, "getenv"); 67 68 ret = snprintf(Scorefile, sizeof(Scorefile), "%s/%s", home, 69 ".robots.scores"); 70 if (ret < 0 || ret >= PATH_MAX) 71 errc(1, ENAMETOOLONG, "%s/%s", home, ".robots.scores"); 72 73 if ((score_wfd = open(Scorefile, O_RDWR | O_CREAT, 0666)) == -1) 74 score_err = errno; 75 76 show_only = FALSE; 77 while ((ch = getopt(ac, av, "srajt")) != -1) 78 switch (ch) { 79 case 's': 80 show_only = TRUE; 81 break; 82 case 'r': 83 Real_time = TRUE; 84 /* Could be a command-line option */ 85 tv.tv_sec = 3; 86 break; 87 case 'a': 88 Start_level = 4; 89 break; 90 case 'j': 91 Jump = TRUE; 92 break; 93 case 't': 94 Teleport = TRUE; 95 break; 96 case '?': 97 default: 98 usage(); 99 } 100 ac -= optind; 101 av += optind; 102 103 if (ac > 1) 104 usage(); 105 if (ac == 1) { 106 if (strlcpy(Scorefile, av[0], sizeof(Scorefile)) >= 107 sizeof(Scorefile)) 108 errc(1, ENAMETOOLONG, "%s", av[0]); 109 if (score_wfd >= 0) 110 close(score_wfd); 111 /* This file requires no special privileges. */ 112 if ((score_wfd = open(Scorefile, O_RDWR | O_CREAT, 0666)) == -1) 113 score_err = errno; 114 #ifdef FANCY 115 sp = strrchr(Scorefile, '/'); 116 if (sp == NULL) 117 sp = Scorefile; 118 if (strcmp(sp, "pattern_roll") == 0) 119 Pattern_roll = TRUE; 120 else if (strcmp(sp, "stand_still") == 0) 121 Stand_still = TRUE; 122 if (Pattern_roll || Stand_still) 123 Teleport = TRUE; 124 #endif 125 } 126 127 if (show_only) { 128 show_score(); 129 return 0; 130 } 131 132 if (score_wfd < 0) { 133 warnx("%s: %s; no scores will be saved", Scorefile, 134 strerror(score_err)); 135 sleep(1); 136 } 137 138 initscr(); 139 140 if (pledge("stdio tty", NULL) == -1) 141 err(1, "pledge"); 142 143 signal(SIGINT, quit); 144 cbreak(); 145 noecho(); 146 nonl(); 147 if (LINES != Y_SIZE || COLS != X_SIZE) { 148 if (LINES < Y_SIZE || COLS < X_SIZE) { 149 endwin(); 150 errx(1, "Need at least a %dx%d screen", Y_SIZE, X_SIZE); 151 } 152 delwin(stdscr); 153 stdscr = newwin(Y_SIZE, X_SIZE, 0, 0); 154 } 155 156 do { 157 init_field(); 158 for (Level = Start_level; !Dead; Level++) { 159 make_level(); 160 play_level(); 161 } 162 if (My_pos.x > X_FIELDSIZE - 16) 163 move(My_pos.y, X_FIELDSIZE - 16); 164 else 165 move(My_pos.y, My_pos.x); 166 printw("AARRrrgghhhh...."); 167 refresh(); 168 score(score_wfd); 169 } while (another()); 170 quit(0); 171 } 172 173 /* 174 * quit: 175 * Leave the program elegantly. 176 */ 177 void 178 quit(int dummy) 179 { 180 endwin(); 181 exit(0); 182 } 183 184 /* 185 * another: 186 * See if another game is desired 187 */ 188 bool 189 another(void) 190 { 191 int y; 192 193 #ifdef FANCY 194 if ((Stand_still || Pattern_roll) && !Newscore) 195 return TRUE; 196 #endif 197 198 if (query("Another game?")) { 199 if (Full_clear) { 200 for (y = 1; y <= Num_scores; y++) { 201 move(y, 1); 202 clrtoeol(); 203 } 204 refresh(); 205 } 206 return TRUE; 207 } 208 return FALSE; 209 } 210