184 lines
4.1 KiB
C
184 lines
4.1 KiB
C
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
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/* hack.worm.c - version 1.0.2 */
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#include "hack.h"
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#ifndef NOWORM
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#include "def.wseg.h"
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struct wseg *wsegs[32]; /* linked list, tail first */
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struct wseg *wheads[32];
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long wgrowtime[32];
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getwn(mtmp) struct monst *mtmp; {
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register tmp;
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for(tmp=1; tmp<32; tmp++) if(!wsegs[tmp]) {
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mtmp->wormno = tmp;
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return(1);
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}
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return(0); /* level infested with worms */
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}
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/* called to initialize a worm unless cut in half */
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initworm(mtmp) struct monst *mtmp; {
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register struct wseg *wtmp;
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register tmp = mtmp->wormno;
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if(!tmp) return;
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wheads[tmp] = wsegs[tmp] = wtmp = newseg();
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wgrowtime[tmp] = 0;
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wtmp->wx = mtmp->mx;
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wtmp->wy = mtmp->my;
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/* wtmp->wdispl = 0; */
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wtmp->nseg = 0;
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}
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worm_move(mtmp) struct monst *mtmp; {
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register struct wseg *wtmp, *whd;
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register tmp = mtmp->wormno;
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wtmp = newseg();
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wtmp->wx = mtmp->mx;
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wtmp->wy = mtmp->my;
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wtmp->nseg = 0;
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/* wtmp->wdispl = 0; */
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(whd = wheads[tmp])->nseg = wtmp;
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wheads[tmp] = wtmp;
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if(cansee(whd->wx,whd->wy)){
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unpmon(mtmp);
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atl(whd->wx, whd->wy, '~');
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whd->wdispl = 1;
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} else whd->wdispl = 0;
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if(wgrowtime[tmp] <= moves) {
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if(!wgrowtime[tmp]) wgrowtime[tmp] = moves + rnd(5);
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else wgrowtime[tmp] += 2+rnd(15);
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mtmp->mhpmax += 3;
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mtmp->mhp += 3;
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return;
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}
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whd = wsegs[tmp];
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wsegs[tmp] = whd->nseg;
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remseg(whd);
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}
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worm_nomove(mtmp) register struct monst *mtmp; {
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register tmp;
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register struct wseg *wtmp;
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tmp = mtmp->wormno;
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wtmp = wsegs[tmp];
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if(wtmp == wheads[tmp]) return;
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if(wtmp == 0 || wtmp->nseg == 0) panic("worm_nomove?");
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wsegs[tmp] = wtmp->nseg;
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remseg(wtmp);
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mtmp->mhp -= 3; /* mhpmax not changed ! */
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}
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wormdead(mtmp) register struct monst *mtmp; {
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register tmp = mtmp->wormno;
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register struct wseg *wtmp, *wtmp2;
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if(!tmp) return;
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mtmp->wormno = 0;
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for(wtmp = wsegs[tmp]; wtmp; wtmp = wtmp2){
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wtmp2 = wtmp->nseg;
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remseg(wtmp);
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}
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wsegs[tmp] = 0;
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}
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wormhit(mtmp) register struct monst *mtmp; {
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register tmp = mtmp->wormno;
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register struct wseg *wtmp;
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if(!tmp) return; /* worm without tail */
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for(wtmp = wsegs[tmp]; wtmp; wtmp = wtmp->nseg)
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(void) hitu(mtmp,1);
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}
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wormsee(tmp) register unsigned tmp; {
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register struct wseg *wtmp = wsegs[tmp];
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if(!wtmp) panic("wormsee: wtmp==0");
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for(; wtmp->nseg; wtmp = wtmp->nseg)
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if(!cansee(wtmp->wx,wtmp->wy) && wtmp->wdispl){
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newsym(wtmp->wx, wtmp->wy);
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wtmp->wdispl = 0;
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}
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}
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pwseg(wtmp) register struct wseg *wtmp; {
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if(!wtmp->wdispl){
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atl(wtmp->wx, wtmp->wy, '~');
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wtmp->wdispl = 1;
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}
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}
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cutworm(mtmp,x,y,weptyp)
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register struct monst *mtmp;
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register xchar x,y;
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register uchar weptyp; /* uwep->otyp or 0 */
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{
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register struct wseg *wtmp, *wtmp2;
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register struct monst *mtmp2;
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register tmp,tmp2;
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if(mtmp->mx == x && mtmp->my == y) return; /* hit headon */
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/* cutting goes best with axe or sword */
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tmp = rnd(20);
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if(weptyp == LONG_SWORD || weptyp == TWO_HANDED_SWORD ||
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weptyp == AXE) tmp += 5;
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if(tmp < 12) return;
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/* if tail then worm just loses a tail segment */
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tmp = mtmp->wormno;
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wtmp = wsegs[tmp];
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if(wtmp->wx == x && wtmp->wy == y){
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wsegs[tmp] = wtmp->nseg;
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remseg(wtmp);
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return;
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}
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/* cut the worm in two halves */
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mtmp2 = newmonst(0);
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*mtmp2 = *mtmp;
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mtmp2->mxlth = mtmp2->mnamelth = 0;
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/* sometimes the tail end dies */
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if(rn2(3) || !getwn(mtmp2)){
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monfree(mtmp2);
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tmp2 = 0;
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} else {
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tmp2 = mtmp2->wormno;
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wsegs[tmp2] = wsegs[tmp];
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wgrowtime[tmp2] = 0;
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}
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do {
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if(wtmp->nseg->wx == x && wtmp->nseg->wy == y){
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if(tmp2) wheads[tmp2] = wtmp;
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wsegs[tmp] = wtmp->nseg->nseg;
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remseg(wtmp->nseg);
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wtmp->nseg = 0;
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if(tmp2){
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pline("You cut the worm in half.");
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mtmp2->mhpmax = mtmp2->mhp =
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d(mtmp2->data->mlevel, 8);
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mtmp2->mx = wtmp->wx;
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mtmp2->my = wtmp->wy;
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mtmp2->nmon = fmon;
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fmon = mtmp2;
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pmon(mtmp2);
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} else {
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pline("You cut off part of the worm's tail.");
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remseg(wtmp);
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}
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mtmp->mhp /= 2;
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return;
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}
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wtmp2 = wtmp->nseg;
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if(!tmp2) remseg(wtmp);
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wtmp = wtmp2;
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} while(wtmp->nseg);
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panic("Cannot find worm segment");
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}
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remseg(wtmp) register struct wseg *wtmp; {
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if(wtmp->wdispl)
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newsym(wtmp->wx, wtmp->wy);
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free((char *) wtmp);
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}
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#endif NOWORM
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