2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)fly.c 8.1 (Berkeley) 5/31/93
30 * $FreeBSD: src/games/battlestar/fly.c,v 1.6.2.1 2001/03/05 11:45:36 kris Exp $
31 * $DragonFly: src/games/battlestar/fly.c,v 1.4 2006/08/08 16:47:20 pavalos Exp $
38 #define abs(a) ((a) < 0 ? -(a) : (a))
39 #define MIDR (LINES / 2 - 1)
40 #define MIDC (COLS / 2 - 1)
45 int gclock = 120; /* gtime for all the flights in the game */
49 static void blast(void);
50 static void endfly(void);
51 static void moveenemy(int);
52 static void notarget(void);
53 static void succumb(int);
54 static void screen(void);
55 static void target(void);
58 succumb(int sig __unused)
60 if (oldsig == SIG_DFL) {
64 if (oldsig != SIG_IGN) {
74 if (initscr() == NULL) {
75 puts("Whoops! No more memory...");
78 oldsig = signal(SIGINT, succumb);
82 row = rnd(LINES - 3) + 1;
83 column = rnd(COLS - 2) + 1;
146 if (row == MIDR && column - MIDC < 2 &&
152 mvaddstr(0, 0, "*** Out of torpedoes. ***");
160 mvaddstr(0, 26, "Commands = r,R,l,L,u,U,d,D,f,+,q");
187 for (n = 0; n < i; n++) {
188 r = rnd(LINES - 3) + 1;
192 mvaddstr(LINES - 1 - 1, 21, "TORPEDOES FUEL TIME");
201 move(MIDR, MIDC - 10);
202 addstr("------- + -------");
203 for (n = MIDR - 4; n < MIDR - 1; n++) {
204 mvaddch(n, MIDC, '|');
205 mvaddch(n + 6, MIDC, '|');
214 move(MIDR, MIDC - 10);
216 for (n = MIDR - 4; n < MIDR - 1; n++) {
217 mvaddch(n, MIDC, ' ');
218 mvaddch(n + 6, MIDC, ' ');
229 printw((char *)(uintptr_t)(const void *)"%3d", torps);
230 for (n = LINES - 1 - 2; n >= MIDR + 1; n--) {
231 mvaddch(n, MIDC + MIDR - n, '/');
232 mvaddch(n, MIDC - MIDR + n, '\\');
235 mvaddch(MIDR, MIDC, '*');
236 for (n = LINES - 1 - 2; n >= MIDR + 1; n--) {
237 mvaddch(n, MIDC + MIDR - n, ' ');
238 mvaddch(n, MIDC - MIDR + n, ' ');
254 if (row + dr <= LINES - 3 && row + dr > 0)
256 if (column + dc < COLS - 1 && column + dc > 0)
258 } else if (fuel < 0) {
260 mvaddstr(0, 60, "*** Out of fuel ***");
262 d = (double)((row - MIDR) * (row - MIDR) + (column - MIDC) *
265 row += (rnd(9) - 4) % (4 - abs(row - MIDR));
266 column += (rnd(9) - 4) % (4 - abs(column - MIDC));
269 mvaddstr(oldr, oldc - 1, " ");
272 mvaddstr(row, column - 1, "/-\\");
274 printw((char *)(uintptr_t)(const void *)"%3d", torps);
276 printw((char *)(uintptr_t)(const void *)"%3d", fuel);
278 printw((char *)(uintptr_t)(const void *)"%3d", gclock);
280 signal(SIGALRM, moveenemy);
288 signal(SIGALRM, SIG_DFL);
289 mvcur(0, COLS - 1, LINES - 1, 0);
291 signal(SIGTSTP, SIG_DFL);
292 signal(SIGINT, oldsig);