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
43 void
usage(void)44 usage(void)
45 {
46 fprintf(stderr, "usage: %s [-ajrst] [scorefile]\n", getprogname());
47 exit(1);
48 }
49
50 int
main(int ac,char * av[])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 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 */
176 void
quit(int dummy)177 quit(int dummy)
178 {
179 endwin();
180 exit(0);
181 }
182
183 /*
184 * another:
185 * See if another game is desired
186 */
187 bool
another(void)188 another(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