1 /* $OpenBSD: main.c,v 1.25 2016/03/07 12:07:57 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 extern int optind; 60 char *home; 61 #ifdef FANCY 62 char *sp; 63 #endif 64 65 if (pledge("stdio rpath wpath cpath tty", NULL) == -1) 66 err(1, "pledge"); 67 68 home = getenv("HOME"); 69 if (home == NULL || *home == '\0') 70 err(1, "getenv"); 71 72 ret = snprintf(Scorefile, sizeof(Scorefile), "%s/%s", home, 73 ".robots.scores"); 74 if (ret < 0 || ret >= PATH_MAX) 75 errc(1, ENAMETOOLONG, "%s/%s", home, ".robots.scores"); 76 77 if ((score_wfd = open(Scorefile, O_RDWR | O_CREAT, 0666)) < 0) 78 score_err = errno; 79 80 show_only = FALSE; 81 while ((ch = getopt(ac, av, "srajt")) != -1) 82 switch (ch) { 83 case 's': 84 show_only = TRUE; 85 break; 86 case 'r': 87 Real_time = TRUE; 88 /* Could be a command-line option */ 89 tv.tv_sec = 3; 90 break; 91 case 'a': 92 Start_level = 4; 93 break; 94 case 'j': 95 Jump = TRUE; 96 break; 97 case 't': 98 Teleport = TRUE; 99 break; 100 case '?': 101 default: 102 usage(); 103 } 104 ac -= optind; 105 av += optind; 106 107 if (ac > 1) 108 usage(); 109 if (ac == 1) { 110 if (strlcpy(Scorefile, av[0], sizeof(Scorefile)) >= 111 sizeof(Scorefile)) 112 errc(1, ENAMETOOLONG, "%s", av[0]); 113 if (score_wfd >= 0) 114 close(score_wfd); 115 /* This file requires no special privileges. */ 116 if ((score_wfd = open(Scorefile, O_RDWR | O_CREAT, 0666)) < 0) 117 score_err = errno; 118 #ifdef FANCY 119 sp = strrchr(Scorefile, '/'); 120 if (sp == NULL) 121 sp = Scorefile; 122 if (strcmp(sp, "pattern_roll") == 0) 123 Pattern_roll = TRUE; 124 else if (strcmp(sp, "stand_still") == 0) 125 Stand_still = TRUE; 126 if (Pattern_roll || Stand_still) 127 Teleport = TRUE; 128 #endif 129 } 130 131 if (show_only) { 132 show_score(); 133 return 0; 134 } 135 136 if (score_wfd < 0) { 137 warnx("%s: %s; no scores will be saved", Scorefile, 138 strerror(score_err)); 139 sleep(1); 140 } 141 142 initscr(); 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 move(My_pos.y, My_pos.x); 163 printw("AARRrrgghhhh...."); 164 refresh(); 165 score(score_wfd); 166 } while (another()); 167 quit(0); 168 } 169 170 /* 171 * quit: 172 * Leave the program elegantly. 173 */ 174 void 175 quit(int dummy) 176 { 177 endwin(); 178 exit(0); 179 } 180 181 /* 182 * another: 183 * See if another game is desired 184 */ 185 bool 186 another(void) 187 { 188 int y; 189 190 #ifdef FANCY 191 if ((Stand_still || Pattern_roll) && !Newscore) 192 return TRUE; 193 #endif 194 195 if (query("Another game?")) { 196 if (Full_clear) { 197 for (y = 1; y <= Num_scores; y++) { 198 move(y, 1); 199 clrtoeol(); 200 } 201 refresh(); 202 } 203 return TRUE; 204 } 205 return FALSE; 206 } 207