520fff788f
frequent use of ``register var'' instead of ``register int var'' and the removal of the register hint in the previous commit.
185 lines
4.0 KiB
C
185 lines
4.0 KiB
C
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
|
|
/* hack.worm.c - version 1.0.2 */
|
|
/* $FreeBSD$ */
|
|
|
|
#include "hack.h"
|
|
#ifndef NOWORM
|
|
#include "def.wseg.h"
|
|
|
|
struct wseg *wsegs[32]; /* linked list, tail first */
|
|
struct wseg *wheads[32];
|
|
long wgrowtime[32];
|
|
|
|
getwn(mtmp) struct monst *mtmp; {
|
|
int tmp;
|
|
for(tmp=1; tmp<32; tmp++) if(!wsegs[tmp]) {
|
|
mtmp->wormno = tmp;
|
|
return(1);
|
|
}
|
|
return(0); /* level infested with worms */
|
|
}
|
|
|
|
/* called to initialize a worm unless cut in half */
|
|
initworm(mtmp) struct monst *mtmp; {
|
|
struct wseg *wtmp;
|
|
int tmp = mtmp->wormno;
|
|
if(!tmp) return;
|
|
wheads[tmp] = wsegs[tmp] = wtmp = newseg();
|
|
wgrowtime[tmp] = 0;
|
|
wtmp->wx = mtmp->mx;
|
|
wtmp->wy = mtmp->my;
|
|
/* wtmp->wdispl = 0; */
|
|
wtmp->nseg = 0;
|
|
}
|
|
|
|
worm_move(mtmp) struct monst *mtmp; {
|
|
struct wseg *wtmp, *whd;
|
|
int tmp = mtmp->wormno;
|
|
wtmp = newseg();
|
|
wtmp->wx = mtmp->mx;
|
|
wtmp->wy = mtmp->my;
|
|
wtmp->nseg = 0;
|
|
/* wtmp->wdispl = 0; */
|
|
(whd = wheads[tmp])->nseg = wtmp;
|
|
wheads[tmp] = wtmp;
|
|
if(cansee(whd->wx,whd->wy)){
|
|
unpmon(mtmp);
|
|
atl(whd->wx, whd->wy, '~');
|
|
whd->wdispl = 1;
|
|
} else whd->wdispl = 0;
|
|
if(wgrowtime[tmp] <= moves) {
|
|
if(!wgrowtime[tmp]) wgrowtime[tmp] = moves + rnd(5);
|
|
else wgrowtime[tmp] += 2+rnd(15);
|
|
mtmp->mhpmax += 3;
|
|
mtmp->mhp += 3;
|
|
return;
|
|
}
|
|
whd = wsegs[tmp];
|
|
wsegs[tmp] = whd->nseg;
|
|
remseg(whd);
|
|
}
|
|
|
|
worm_nomove(mtmp) struct monst *mtmp; {
|
|
int tmp;
|
|
struct wseg *wtmp;
|
|
tmp = mtmp->wormno;
|
|
wtmp = wsegs[tmp];
|
|
if(wtmp == wheads[tmp]) return;
|
|
if(wtmp == 0 || wtmp->nseg == 0) panic("worm_nomove?");
|
|
wsegs[tmp] = wtmp->nseg;
|
|
remseg(wtmp);
|
|
mtmp->mhp -= 3; /* mhpmax not changed ! */
|
|
}
|
|
|
|
wormdead(mtmp) struct monst *mtmp; {
|
|
int tmp = mtmp->wormno;
|
|
struct wseg *wtmp, *wtmp2;
|
|
if(!tmp) return;
|
|
mtmp->wormno = 0;
|
|
for(wtmp = wsegs[tmp]; wtmp; wtmp = wtmp2){
|
|
wtmp2 = wtmp->nseg;
|
|
remseg(wtmp);
|
|
}
|
|
wsegs[tmp] = 0;
|
|
}
|
|
|
|
wormhit(mtmp) struct monst *mtmp; {
|
|
int tmp = mtmp->wormno;
|
|
struct wseg *wtmp;
|
|
if(!tmp) return; /* worm without tail */
|
|
for(wtmp = wsegs[tmp]; wtmp; wtmp = wtmp->nseg)
|
|
(void) hitu(mtmp,1);
|
|
}
|
|
|
|
wormsee(tmp) unsigned tmp; {
|
|
struct wseg *wtmp = wsegs[tmp];
|
|
if(!wtmp) panic("wormsee: wtmp==0");
|
|
for(; wtmp->nseg; wtmp = wtmp->nseg)
|
|
if(!cansee(wtmp->wx,wtmp->wy) && wtmp->wdispl){
|
|
newsym(wtmp->wx, wtmp->wy);
|
|
wtmp->wdispl = 0;
|
|
}
|
|
}
|
|
|
|
pwseg(wtmp) struct wseg *wtmp; {
|
|
if(!wtmp->wdispl){
|
|
atl(wtmp->wx, wtmp->wy, '~');
|
|
wtmp->wdispl = 1;
|
|
}
|
|
}
|
|
|
|
cutworm(mtmp,x,y,weptyp)
|
|
struct monst *mtmp;
|
|
xchar x,y;
|
|
uchar weptyp; /* uwep->otyp or 0 */
|
|
{
|
|
struct wseg *wtmp, *wtmp2;
|
|
struct monst *mtmp2;
|
|
int tmp,tmp2;
|
|
if(mtmp->mx == x && mtmp->my == y) return; /* hit headon */
|
|
|
|
/* cutting goes best with axe or sword */
|
|
tmp = rnd(20);
|
|
if(weptyp == LONG_SWORD || weptyp == TWO_HANDED_SWORD ||
|
|
weptyp == AXE) tmp += 5;
|
|
if(tmp < 12) return;
|
|
|
|
/* if tail then worm just loses a tail segment */
|
|
tmp = mtmp->wormno;
|
|
wtmp = wsegs[tmp];
|
|
if(wtmp->wx == x && wtmp->wy == y){
|
|
wsegs[tmp] = wtmp->nseg;
|
|
remseg(wtmp);
|
|
return;
|
|
}
|
|
|
|
/* cut the worm in two halves */
|
|
mtmp2 = newmonst(0);
|
|
*mtmp2 = *mtmp;
|
|
mtmp2->mxlth = mtmp2->mnamelth = 0;
|
|
|
|
/* sometimes the tail end dies */
|
|
if(rn2(3) || !getwn(mtmp2)){
|
|
monfree(mtmp2);
|
|
tmp2 = 0;
|
|
} else {
|
|
tmp2 = mtmp2->wormno;
|
|
wsegs[tmp2] = wsegs[tmp];
|
|
wgrowtime[tmp2] = 0;
|
|
}
|
|
do {
|
|
if(wtmp->nseg->wx == x && wtmp->nseg->wy == y){
|
|
if(tmp2) wheads[tmp2] = wtmp;
|
|
wsegs[tmp] = wtmp->nseg->nseg;
|
|
remseg(wtmp->nseg);
|
|
wtmp->nseg = 0;
|
|
if(tmp2){
|
|
pline("You cut the worm in half.");
|
|
mtmp2->mhpmax = mtmp2->mhp =
|
|
d(mtmp2->data->mlevel, 8);
|
|
mtmp2->mx = wtmp->wx;
|
|
mtmp2->my = wtmp->wy;
|
|
mtmp2->nmon = fmon;
|
|
fmon = mtmp2;
|
|
pmon(mtmp2);
|
|
} else {
|
|
pline("You cut off part of the worm's tail.");
|
|
remseg(wtmp);
|
|
}
|
|
mtmp->mhp /= 2;
|
|
return;
|
|
}
|
|
wtmp2 = wtmp->nseg;
|
|
if(!tmp2) remseg(wtmp);
|
|
wtmp = wtmp2;
|
|
} while(wtmp->nseg);
|
|
panic("Cannot find worm segment");
|
|
}
|
|
|
|
remseg(wtmp) struct wseg *wtmp; {
|
|
if(wtmp->wdispl)
|
|
newsym(wtmp->wx, wtmp->wy);
|
|
free((char *) wtmp);
|
|
}
|
|
#endif NOWORM
|