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17 Bit Software 3: The Continuation
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amigan
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amigan 8
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hack.zap.c
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C/C++ Source or Header
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1994-01-27
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10KB
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469 lines
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1984. */
#include "hack.h"
extern struct monst *makemon();
struct monst *bhit();
char *exclam();
char *fl[]= {
"magic missile",
"bolt of fire",
"sleep ray",
"bolt of cold",
"death ray"
};
dozap()
{
register struct obj *obj;
register struct monst *mtmp;
xchar zx,zy;
register int num;
obj = getobj("/", "zap");
if(!obj) return(0);
if(obj->spe < 0 || (obj->spe == 0 && rn2(121))) {
pline("Nothing Happens");
return(1);
}
if(obj->spe == 0)
pline("You wrest one more spell from the worn-out wand.");
if(!(objects[obj->otyp].bits & NODIR) && !getdir())
return(1); /* make him pay for knowing !NODIR */
obj->spe--;
if(objects[obj->otyp].bits & IMMEDIATE) {
if((u.uswallow && (mtmp = u.ustuck)) ||
(mtmp = bhit(u.dx,u.dy,rn1(8,6),0))) {
wakeup(mtmp);
switch(obj->otyp) {
case WAN_STRIKING:
if(rnd(20) < 10+mtmp->data->ac) {
register int tmp = d(2,12);
hit("wand", mtmp, exclam(tmp));
mtmp->mhp -= tmp;
if(mtmp->mhp < 1) killed(mtmp);
} else miss("wand", mtmp);
break;
case WAN_SLOW_MONSTER:
mtmp->mspeed = MSLOW;
break;
case WAN_SPEED_MONSTER:
mtmp->mspeed = MFAST;
break;
case WAN_UNDEAD_TURNING:
if(index("WVZ&",mtmp->data->mlet)) {
mtmp->mhp -= rnd(8);
if(mtmp->mhp<1) killed(mtmp);
else mtmp->mflee = 1;
}
break;
case WAN_POLYMORPH:
if( newcham(mtmp,&mons[rn2(CMNUM)]) )
objects[obj->otyp].oc_name_known = 1;
break;
case WAN_CANCELLATION:
mtmp->mcan = 1;
break;
case WAN_TELEPORT_MONSTER:
rloc(mtmp);
break;
case WAN_MAKE_INVISIBLE:
mtmp->minvis = 1;
break;
#ifdef WAN_PROBING
case WAN_PROBING:
mstatusline(mtmp);
break;
#endif WAN_PROBING
default:
pline("What an interesting wand (%d)",
obj->otyp);
impossible();
}
}
} else {
switch(obj->otyp){
case WAN_LIGHT:
litroom(TRUE);
break;
case WAN_SECRET_DOOR_DETECTION:
if(!findit()) return(1);
break;
case WAN_CREATE_MONSTER:
{ register int cnt = 1;
if(!rn2(23)) cnt += rn2(7) + 1;
while(cnt--)
(void) makemon((struct permonst *) 0, u.ux, u.uy);
}
break;
case WAN_WISHING:
{ char buf[BUFSZ];
register struct obj *otmp;
extern struct obj *readobjnam(), *addinv();
if(u.uluck + rn2(5) < 0) {
pline("Unfortunately, nothing happens.");
break;
}
pline("You may wish for an object. What do you want? ");
getlin(buf);
otmp = readobjnam(buf);
otmp = addinv(otmp);
prinv(otmp);
break;
}
case WAN_DIGGING:
{ register struct rm *room;
register int digdepth;
if(u.uswallow) {
pline("You pierce %s's stomach wall!",
monnam(u.ustuck));
u.uswallow = 0;
mnexto(u.ustuck);
u.ustuck->mhp = 1; /* almost dead */
u.ustuck = 0;
setsee();
docrt();
break;
}
zx = u.ux+u.dx;
zy = u.uy+u.dy;
if(!isok(zx,zy)) break;
digdepth = 4 + rn2(10);
if(levl[zx][zy].typ == CORR) num = CORR;
else num = ROOM;
Tmp_at(-1, '*'); /* open call */
while(digdepth--) {
if(zx == 0 || zx == COLNO-1 ||
zy == 0 || zy == ROWNO-1)
break;
room = &levl[zx][zy];
Tmp_at(zx,zy);
if(!xdnstair){
if(zx < 3 || zx > COLNO-3 ||
zy < 3 || zy > ROWNO-3)
break;
if(room->typ == HWALL ||
room->typ == VWALL){
room->typ = ROOM;
break;
}
} else if(num == ROOM || num == 10){
if(room->typ != ROOM && room->typ) {
if(room->typ != CORR)
room->typ = DOOR;
if(num == 10) break;
num = 10;
} else if(!room->typ)
room->typ = CORR;
} else {
if(room->typ != CORR && room->typ) {
room->typ = DOOR;
break;
} else room->typ = CORR;
}
mnewsym(zx,zy);
zx += u.dx;
zy += u.dy;
}
mnewsym(zx,zy); /* not always necessary */
Tmp_at(-1,-1); /* closing call */
break;
}
default:
buzz((int) obj->otyp - WAN_MAGIC_MISSILE,
u.ux, u.uy, u.dx, u.dy);
break;
}
if(!objects[obj->otyp].oc_name_known) {
u.urexp += 10;
objects[obj->otyp].oc_name_known = 1;
}
}
return(1);
}
char *
exclam(force)
register int force;
{
/* force == 0 occurs e.g. with sleep ray */
/* note that large force is usual with wands so that !! would
require information about hand/weapon/wand */
return( (force < 0) ? "?" : (force <= 4) ? "." : "!" );
}
hit(str,mtmp,force)
register char *str;
register struct monst *mtmp;
register char *force; /* usually either "." or "!" */
{
if(!cansee(mtmp->mx,mtmp->my)) pline("The %s hits it.", str);
else pline("The %s hits %s%s", str, monnam(mtmp), force);
}
miss(str,mtmp)
register char *str;
register struct monst *mtmp;
{
if(!cansee(mtmp->mx,mtmp->my)) pline("The %s misses it.",str);
else pline("The %s misses %s.",str,monnam(mtmp));
}
/* sets bhitpos to the final position of the weapon thrown */
/* coord bhitpos; */
/* check !u.uswallow before calling bhit() */
struct monst *
bhit(ddx,ddy,range,sym)
register int ddx,ddy,range;
char sym;
{
register struct monst *mtmp;
bhitpos.x = u.ux;
bhitpos.y = u.uy;
if(sym) tmp_at(-1, sym); /* open call */
while(range--) {
bhitpos.x += ddx;
bhitpos.y += ddy;
if(mtmp = m_at(bhitpos.x,bhitpos.y)){
if(sym) tmp_at(-1, -1); /* close call */
return(mtmp);
}
if(levl[bhitpos.x][bhitpos.y].typ<CORR) {
bhitpos.x -= ddx;
bhitpos.y -= ddy;
break;
}
if(sym) tmp_at(bhitpos.x, bhitpos.y);
}
if(sym) tmp_at(-1, 0); /* leave last symbol */
return(0);
}
struct monst *
boomhit(dx,dy) {
register int i, ct;
register struct monst *mtmp;
char sym = ')';
extern schar xdir[], ydir[];
bhitpos.x = u.ux;
bhitpos.y = u.uy;
for(i=0; i<8; i++) if(xdir[i] == dx && ydir[i] == dy) break;
tmp_at(-1, sym); /* open call */
for(ct=0; ct<10; ct++) {
if(i == 8) i = 0;
sym = ')' + '(' - sym;
tmp_at(-2, sym); /* change let call */
dx = xdir[i];
dy = ydir[i];
bhitpos.x += dx;
bhitpos.y += dy;
if(mtmp = m_at(bhitpos.x, bhitpos.y)){
tmp_at(-1,-1);
return(mtmp);
}
if(levl[bhitpos.x][bhitpos.y].typ<CORR) {
bhitpos.x -= dx;
bhitpos.y -= dy;
break;
}
if(bhitpos.x == u.ux && bhitpos.y == u.uy) { /* ct == 9 */
if(rn2(20) >= 10+u.ulevel){ /* we hit ourselves */
(void) thitu(10, rnd(10), "boomerang");
break;
} else { /* we catch it */
tmp_at(-1,-1);
pline("Skillfully, you catch the boomerang.");
return((struct monst *) -1);
}
}
tmp_at(bhitpos.x, bhitpos.y);
if(ct % 5 != 0) i++;
}
tmp_at(-1, -1); /* do not leave last symbol */
return(0);
}
char
dirlet(dx,dy) register int dx,dy; {
return
(dx == dy) ? '\\' : (dx && dy) ? '/' : dx ? '-' : '|';
}
/* type < 0: monster spitting fire at you */
buzz(type,sx,sy,dx,dy)
register int type;
register xchar sx,sy;
register int dx,dy;
{
register char *fltxt = (type < 0) ? "blaze of fire" : fl[type];
struct rm *lev;
xchar range;
struct monst *mon;
if(u.uswallow) {
register int tmp;
if(type < 0) return;
tmp = zhit(u.ustuck, type);
pline("The %s rips into %s%s",
fltxt, monnam(u.ustuck), exclam(tmp));
return;
}
if(type < 0) pru();
range = rn1(7,7);
Tmp_at(-1, dirlet(dx,dy)); /* open call */
while(range-- > 0) {
sx += dx;
sy += dy;
if((lev = &levl[sx][sy])->typ) Tmp_at(sx,sy);
else {
int bounce = 0;
if(cansee(sx-dx,sy-dy)) pline("The %s bounces!",fltxt);
if(levl[sx][sy-dy].typ > DOOR) bounce = 1;
if(levl[sx-dx][sy].typ > DOOR) {
if(!bounce || rn2(2)) bounce = 2;
}
switch(bounce){
case 0:
dx = -dx;
dy = -dy;
continue;
case 1:
dy = -dy;
sx -= dx;
break;
case 2:
dx = -dx;
sy -= dy;
break;
}
Tmp_at(-2,dirlet(dx,dy));
continue;
}
if((mon = m_at(sx,sy)) &&
(type >= 0 || mon->data->mlet != 'D')) {
wakeup(mon);
if(rnd(20) < 18 + mon->data->ac) {
register int tmp = zhit(mon,type);
if(mon->mhp < 1) {
if(type < 0) {
if(cansee(mon->mx,mon->my))
pline("%s is killed by the %s!",
Monnam(mon), fltxt);
mondied(mon);
} else
killed(mon);
} else
hit(fltxt, mon, exclam(tmp));
range -= 2;
} else
miss(fltxt,mon);
} else if(sx == u.ux && sy == u.uy) {
if(rnd(20) < 18+u.uac) {
register int dam = 0;
range -= 2;
pline("The %s hits you!",fltxt);
switch(type) {
case 0:
dam = d(2,6);
break;
case -1: /* dragon fire */
case 1:
if(Fire_resistance)
pline("You don't feel hot!");
else dam = d(6,6);
break;
case 2:
nomul(-rnd(25)); /* sleep ray */
break;
case 3:
if(Cold_resistance)
pline("You don't feel cold!");
else dam = d(6,6);
break;
case 4:
u.uhp = -1;
}
losehp(dam,fltxt);
} else pline("The %s whizzes by you!",fltxt);
}
if(lev->typ <= DOOR) {
int bounce = 0, rmn;
if(cansee(sx,sy)) pline("The %s bounces!",fltxt);
range--;
if(!dx || !dy || !rn2(20)){
dx = -dx;
dy = -dy;
} else {
if((rmn = levl[sx][sy-dy].typ) > DOOR &&
(
rmn >= ROOM ||
levl[sx+dx][sy-dy].typ > DOOR)){
bounce = 1;
}
if((rmn = levl[sx-dx][sy].typ) > DOOR &&
(
rmn >= ROOM ||
levl[sx-dx][sy+dy].typ > DOOR)){
if(!bounce || rn2(2)){
bounce = 2;
}
}
switch(bounce){
case 0:
dy = -dy;
dx = -dx;
break;
case 1:
dy = -dy;
break;
case 2:
dx = -dx;
break;
}
Tmp_at(-2, dirlet(dx,dy));
}
}
}
Tmp_at(-1,-1);
}
zhit(mon,type) /* returns damage to mon */
register struct monst *mon;
register int type;
{
register int tmp = 0;
switch(type) {
case 0: /* magic missile */
tmp = d(2,6);
break;
case -1: /* Dragon blazing fire */
case 1: /* fire */
if(index("Dg", mon->data->mlet)) break;
tmp = d(6,6);
if(mon->data->mlet == 'Y') tmp += 7;
break;
case 2: /* sleep*/
mon->mfroz = 1;
break;
case 3: /* cold */
if(index("YFgf", mon->data->mlet)) break;
tmp = d(6,6);
if(mon->data->mlet == 'D') tmp += 7;
break;
case 4: /* death*/
if(index("WVZ",mon->data->mlet)) break;
tmp = mon->mhp+1;
break;
}
mon->mhp -= tmp;
return(tmp);
}