159 lines
4.4 KiB
C
159 lines
4.4 KiB
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)snova.c 5.4 (Berkeley) 6/1/90";
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#endif /* not lint */
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# include "trek.h"
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/*
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** CAUSE SUPERNOVA TO OCCUR
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**
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** A supernova occurs. If 'ix' < 0, a random quadrant is chosen;
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** otherwise, the current quadrant is taken, and (ix, iy) give
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** the sector quadrants of the star which is blowing up.
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**
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** If the supernova turns out to be in the quadrant you are in,
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** you go into "emergency override mode", which tries to get you
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** out of the quadrant as fast as possible. However, if you
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** don't have enough fuel, or if you by chance run into something,
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** or some such thing, you blow up anyway. Oh yeh, if you are
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** within two sectors of the star, there is nothing that can
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** be done for you.
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**
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** When a star has gone supernova, the quadrant becomes uninhab-
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** itable for the rest of eternity, i.e., the game. If you ever
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** try stopping in such a quadrant, you will go into emergency
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** override mode.
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*/
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snova(x, y)
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int x, y;
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{
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int qx, qy;
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register int ix, iy;
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int f;
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int dx, dy;
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int n;
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register struct quad *q;
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f = 0;
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ix = x;
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if (ix < 0)
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{
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/* choose a quadrant */
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while (1)
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{
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qx = ranf(NQUADS);
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qy = ranf(NQUADS);
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q = &Quad[qx][qy];
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if (q->stars > 0)
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break;
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}
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if (Ship.quadx == qx && Ship.quady == qy)
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{
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/* select a particular star */
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n = ranf(q->stars);
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for (ix = 0; ix < NSECTS; ix++)
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{
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for (iy = 0; iy < NSECTS; iy++)
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if (Sect[ix][iy] == STAR || Sect[ix][iy] == INHABIT)
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if ((n -= 1) <= 0)
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break;
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if (n <= 0)
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break;
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}
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f = 1;
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}
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}
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else
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{
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/* current quadrant */
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iy = y;
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qx = Ship.quadx;
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qy = Ship.quady;
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q = &Quad[qx][qy];
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f = 1;
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}
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if (f)
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{
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/* supernova is in same quadrant as Enterprise */
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printf("\nRED ALERT: supernova occuring at %d,%d\n", ix, iy);
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dx = ix - Ship.sectx;
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dy = iy - Ship.secty;
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if (dx * dx + dy * dy <= 2)
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{
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printf("*** Emergency override attem");
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sleep(1);
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printf("\n");
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lose(L_SNOVA);
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}
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q->scanned = 1000;
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}
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else
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{
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if (!damaged(SSRADIO))
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{
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q->scanned = 1000;
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printf("\nUhura: Captain, Starfleet Command reports a supernova\n");
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printf(" in quadrant %d,%d. Caution is advised\n", qx, qy);
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}
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}
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/* clear out the supernova'ed quadrant */
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dx = q->klings;
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dy = q->stars;
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Now.klings -= dx;
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if (x >= 0)
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{
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/* Enterprise caused supernova */
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Game.kills += dy;
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if (q->bases)
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killb(qx, qy, -1);
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Game.killk += dx;
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}
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else
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if (q->bases)
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killb(qx, qy, 0);
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killd(qx, qy, (x >= 0));
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q->stars = -1;
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q->klings = 0;
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if (Now.klings <= 0)
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{
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printf("Lucky devil, that supernova destroyed the last klingon\n");
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win();
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}
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return;
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}
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