1/* $OpenBSD: main.c,v 1.31 2022/12/04 23:50:45 cheloha 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 43void 44usage(void) 45{ 46 fprintf(stderr, "usage: %s [-ajrst] [scorefile]\n", getprogname()); 47 exit(1); 48} 49 50int 51main(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 default: 97 usage(); 98 } 99 ac -= optind; 100 av += optind; 101 102 if (ac > 1) 103 usage(); 104 if (ac == 1) { 105 if (strlcpy(Scorefile, av[0], sizeof(Scorefile)) >= 106 sizeof(Scorefile)) 107 errc(1, ENAMETOOLONG, "%s", av[0]); 108 if (score_wfd >= 0) 109 close(score_wfd); 110 /* This file requires no special privileges. */ 111 if ((score_wfd = open(Scorefile, O_RDWR | O_CREAT, 0666)) == -1) 112 score_err = errno; 113#ifdef FANCY 114 sp = strrchr(Scorefile, '/'); 115 if (sp == NULL) 116 sp = Scorefile; 117 if (strcmp(sp, "pattern_roll") == 0) 118 Pattern_roll = TRUE; 119 else if (strcmp(sp, "stand_still") == 0) 120 Stand_still = TRUE; 121 if (Pattern_roll || Stand_still) 122 Teleport = TRUE; 123#endif 124 } 125 126 if (show_only) { 127 show_score(); 128 return 0; 129 } 130 131 if (score_wfd < 0) { 132 warnx("%s: %s; no scores will be saved", Scorefile, 133 strerror(score_err)); 134 sleep(1); 135 } 136 137 initscr(); 138 139 if (pledge("stdio tty", NULL) == -1) 140 err(1, "pledge"); 141 142 signal(SIGINT, quit); 143 cbreak(); 144 noecho(); 145 nonl(); 146 if (LINES != Y_SIZE || COLS != X_SIZE) { 147 if (LINES < Y_SIZE || COLS < X_SIZE) { 148 endwin(); 149 errx(1, "Need at least a %dx%d screen", Y_SIZE, X_SIZE); 150 } 151 delwin(stdscr); 152 stdscr = newwin(Y_SIZE, X_SIZE, 0, 0); 153 } 154 155 do { 156 init_field(); 157 for (Level = Start_level; !Dead; Level++) { 158 make_level(); 159 play_level(); 160 } 161 if (My_pos.x > X_FIELDSIZE - 16) 162 move(My_pos.y, X_FIELDSIZE - 16); 163 else 164 move(My_pos.y, My_pos.x); 165 printw("AARRrrgghhhh...."); 166 refresh(); 167 score(score_wfd); 168 } while (another()); 169 quit(0); 170} 171 172/* 173 * quit: 174 * Leave the program elegantly. 175 */ 176void 177quit(int dummy) 178{ 179 endwin(); 180 exit(0); 181} 182 183/* 184 * another: 185 * See if another game is desired 186 */ 187bool 188another(void) 189{ 190 int y; 191 192#ifdef FANCY 193 if ((Stand_still || Pattern_roll) && !Newscore) 194 return TRUE; 195#endif 196 197 if (query("Another game?")) { 198 if (Full_clear) { 199 for (y = 1; y <= Num_scores; y++) { 200 move(y, 1); 201 clrtoeol(); 202 } 203 refresh(); 204 } 205 return TRUE; 206 } 207 return FALSE; 208} 209