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- /* 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);
- }
-