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Diffstat (limited to 'battlestar/fly.c')
| -rw-r--r-- | battlestar/fly.c | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/battlestar/fly.c b/battlestar/fly.c new file mode 100644 index 00000000..e9b2db20 --- /dev/null +++ b/battlestar/fly.c @@ -0,0 +1,284 @@ +/* + * Copyright (c) 1983 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)fly.c 5.6 (Berkeley) 3/4/91"; +#endif /* not lint */ + +#include "externs.h" +#undef UP +#include <curses.h> + +#define abs(a) ((a) < 0 ? -(a) : (a)) +#define MIDR (LINES/2 - 1) +#define MIDC (COLS/2 - 1) + +int row, column; +int dr = 0, dc = 0; +char destroyed; +int clock = 120; /* time for all the flights in the game */ +char cross = 0; +sig_t oldsig; + +void +succumb() +{ + if (oldsig == SIG_DFL) { + endfly(); + exit(1); + } + if (oldsig != SIG_IGN) { + endfly(); + (*oldsig)(SIGINT); + } +} + +visual() +{ + void moveenemy(); + + destroyed = 0; + savetty(); + if(initscr() == ERR){ + puts("Whoops! No more memory..."); + return(0); + } + oldsig = signal(SIGINT, succumb); + crmode(); + noecho(); + screen(); + row = rnd(LINES-3) + 1; + column = rnd(COLS-2) + 1; + moveenemy(); + for (;;) { + switch(getchar()){ + + case 'h': + case 'r': + dc = -1; + fuel--; + break; + + case 'H': + case 'R': + dc = -5; + fuel -= 10; + break; + + case 'l': + dc = 1; + fuel--; + break; + + case 'L': + dc = 5; + fuel -= 10; + break; + + case 'j': + case 'u': + dr = 1; + fuel--; + break; + + case 'J': + case 'U': + dr = 5; + fuel -= 10; + break; + + case 'k': + case 'd': + dr = -1; + fuel--; + break; + + case 'K': + case 'D': + dr = -5; + fuel -= 10; + break; + + case '+': + if (cross){ + cross = 0; + notarget(); + } + else + cross = 1; + break; + + case ' ': + case 'f': + if (torps){ + torps -= 2; + blast(); + if (row == MIDR && column - MIDC < 2 && MIDC - column < 2){ + destroyed = 1; + alarm(0); + } + } + else + mvaddstr(0,0,"*** Out of torpedoes. ***"); + break; + + case 'q': + endfly(); + return(0); + + default: + mvaddstr(0,26,"Commands = r,R,l,L,u,U,d,D,f,+,q"); + continue; + + case EOF: + break; + } + if (destroyed){ + endfly(); + return(1); + } + if (clock <= 0){ + endfly(); + die(); + } + } +} + +screen() +{ + register int r,c,n; + int i; + + clear(); + i = rnd(100); + for (n=0; n < i; n++){ + r = rnd(LINES-3) + 1; + c = rnd(COLS); + mvaddch(r, c, '.'); + } + mvaddstr(LINES-1-1,21,"TORPEDOES FUEL TIME"); + refresh(); +} + +target() +{ + register int n; + + move(MIDR,MIDC-10); + addstr("------- + -------"); + for (n = MIDR-4; n < MIDR-1; n++){ + mvaddch(n,MIDC,'|'); + mvaddch(n+6,MIDC,'|'); + } +} + +notarget() +{ + register int n; + + move(MIDR,MIDC-10); + addstr(" "); + for (n = MIDR-4; n < MIDR-1; n++){ + mvaddch(n,MIDC,' '); + mvaddch(n+6,MIDC,' '); + } +} + +blast() +{ + register int n; + + alarm(0); + move(LINES-1, 24); + printw("%3d", torps); + for(n = LINES-1-2; n >= MIDR + 1; n--){ + mvaddch(n, MIDC+MIDR-n, '/'); + mvaddch(n, MIDC-MIDR+n, '\\'); + refresh(); + } + mvaddch(MIDR,MIDC,'*'); + for(n = LINES-1-2; n >= MIDR + 1; n--){ + mvaddch(n, MIDC+MIDR-n, ' '); + mvaddch(n, MIDC-MIDR+n, ' '); + refresh(); + } + alarm(1); +} + +void +moveenemy() +{ + double d; + int oldr, oldc; + + oldr = row; + oldc = column; + if (fuel > 0){ + if (row + dr <= LINES-3 && row + dr > 0) + row += dr; + if (column + dc < COLS-1 && column + dc > 0) + column += dc; + } else if (fuel < 0){ + fuel = 0; + mvaddstr(0,60,"*** Out of fuel ***"); + } + d = (double) ((row - MIDR)*(row - MIDR) + (column - MIDC)*(column - MIDC)); + if (d < 16){ + row += (rnd(9) - 4) % (4 - abs(row - MIDR)); + column += (rnd(9) - 4) % (4 - abs(column - MIDC)); + } + clock--; + mvaddstr(oldr, oldc - 1, " "); + if (cross) + target(); + mvaddstr(row, column - 1, "/-\\"); + move(LINES-1, 24); + printw("%3d", torps); + move(LINES-1, 42); + printw("%3d", fuel); + move(LINES-1, 57); + printw("%3d", clock); + refresh(); + signal(SIGALRM, moveenemy); + alarm(1); +} + +endfly() +{ + alarm(0); + signal(SIGALRM, SIG_DFL); + mvcur(0,COLS-1,LINES-1,0); + endwin(); + signal(SIGTSTP, SIG_DFL); + signal(SIGINT, oldsig); +} |