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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)fly.c 8.1 (Berkeley) 5/31/93
34 * $FreeBSD: src/games/battlestar/fly.c,v 1.6.2.1 2001/03/05 11:45:36 kris Exp $
35 * $DragonFly: src/games/battlestar/fly.c,v 1.3 2003/11/12 14:53:52 eirikn Exp $
43 #define abs(a) ((a) < 0 ? -(a) : (a))
44 #define MIDR (LINES/2 - 1)
45 #define MIDC (COLS/2 - 1)
50 int gclock = 120; /* gtime for all the flights in the game */
54 static void blast (void);
55 static void endfly (void);
56 static void moveenemy (int);
57 static void notarget (void);
58 static void succumb (int);
59 static void screen (void);
60 static void target (void);
68 if (oldsig == SIG_DFL) {
72 if (oldsig != SIG_IGN) {
83 if(initscr() == NULL){
84 puts("Whoops! No more memory...");
87 oldsig = signal(SIGINT, succumb);
91 row = rnd(LINES-3) + 1;
92 column = rnd(COLS-2) + 1;
157 if (row == MIDR && column - MIDC < 2 && MIDC - column < 2){
163 mvaddstr(0,0,"*** Out of torpedoes. ***");
171 mvaddstr(0,26,"Commands = r,R,l,L,u,U,d,D,f,+,q");
198 for (n=0; n < i; n++){
199 r = rnd(LINES-3) + 1;
203 mvaddstr(LINES-1-1,21,"TORPEDOES FUEL TIME");
213 addstr("------- + -------");
214 for (n = MIDR-4; n < MIDR-1; n++){
216 mvaddch(n+6,MIDC,'|');
227 for (n = MIDR-4; n < MIDR-1; n++){
229 mvaddch(n+6,MIDC,' ');
240 printw((char *)(uintptr_t)(const void *)"%3d", torps);
241 for(n = LINES-1-2; n >= MIDR + 1; n--){
242 mvaddch(n, MIDC+MIDR-n, '/');
243 mvaddch(n, MIDC-MIDR+n, '\\');
246 mvaddch(MIDR,MIDC,'*');
247 for(n = LINES-1-2; n >= MIDR + 1; n--){
248 mvaddch(n, MIDC+MIDR-n, ' ');
249 mvaddch(n, MIDC-MIDR+n, ' ');
265 if (row + dr <= LINES-3 && row + dr > 0)
267 if (column + dc < COLS-1 && column + dc > 0)
269 } else if (fuel < 0){
271 mvaddstr(0,60,"*** Out of fuel ***");
273 d = (double) ((row - MIDR)*(row - MIDR) + (column - MIDC)*(column - MIDC));
275 row += (rnd(9) - 4) % (4 - abs(row - MIDR));
276 column += (rnd(9) - 4) % (4 - abs(column - MIDC));
279 mvaddstr(oldr, oldc - 1, " ");
282 mvaddstr(row, column - 1, "/-\\");
284 printw((char *)(uintptr_t)(const void *)"%3d", torps);
286 printw((char *)(uintptr_t)(const void *)"%3d", fuel);
288 printw((char *)(uintptr_t)(const void *)"%3d", gclock);
290 signal(SIGALRM, moveenemy);
298 signal(SIGALRM, SIG_DFL);
299 mvcur(0,COLS-1,LINES-1,0);
301 signal(SIGTSTP, SIG_DFL);
302 signal(SIGINT, oldsig);