Initial import, 0.1 + pk 0.2.4-B1

[unix-history] / games / hack / hack.apply.c

/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.apply.c - version 1.0.3 */

#include        "hack.h"
#include        "def.edog.h"
#include        "def.mkroom.h"
extern struct monst *bchit();
extern struct obj *addinv();
extern struct trap *maketrap();
extern int (*occupation)();
extern char *occtxt;
extern char quitchars[];
extern char pl_character[];

static void use_camera(), use_ice_box(), use_whistle(), use_magic_whistle();
static int use_pick_axe();

doapply() {
       register struct obj *obj;
       register int res = 1;

       obj = getobj("(", "use or apply");
       if(!obj) return(0);

       switch(obj->otyp){
       case EXPENSIVE_CAMERA:
               use_camera(obj); break;
       case ICE_BOX:
               use_ice_box(obj); break;
       case PICK_AXE:
               res = use_pick_axe(obj);
               break;

       case MAGIC_WHISTLE:
               if(pl_character[0] == 'W' || u.ulevel > 9) {
                       use_magic_whistle(obj);
                       break;
               }
               /* fall into next case */
       case WHISTLE:
               use_whistle(obj);
               break;

       case CAN_OPENER:
               if(!carrying(TIN)) {
                       pline("You have no can to open.");
                       goto xit;
               }
               pline("You cannot open a tin without eating its contents.");
               pline("In order to eat, use the 'e' command.");
               if(obj != uwep)
   pline("Opening the tin will be much easier if you wield the can-opener.");
               goto xit;

       default:
               pline("Sorry, I don't know how to use that.");
       xit:
               nomul(0);
               return(0);
       }
       nomul(0);
       return(res);
}

/* ARGSUSED */
static void
use_camera(obj) /* register */ struct obj *obj; {
register struct monst *mtmp;
       if(!getdir(1)){         /* ask: in what direction? */
               flags.move = multi = 0;
               return;
       }
       if(u.uswallow) {
               pline("You take a picture of %s's stomach.", monnam(u.ustuck));
               return;
       }
       if(u.dz) {
               pline("You take a picture of the %s.",
                       (u.dz > 0) ? "floor" : "ceiling");
               return;
       }
       if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
               if(mtmp->msleep){
                       mtmp->msleep = 0;
                       pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
               } else
               if(mtmp->data->mlet != 'y')
               if(mtmp->mcansee || mtmp->mblinded){
                       register int tmp = dist(mtmp->mx,mtmp->my);
                       register int tmp2;
                       if(cansee(mtmp->mx,mtmp->my))
                         pline("%s is blinded by the flash!", Monnam(mtmp));
                       setmangry(mtmp);
                       if(tmp < 9 && !mtmp->isshk && rn2(4)) {
                               mtmp->mflee = 1;
                               if(rn2(4)) mtmp->mfleetim = rnd(100);
                       }
                       if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
                       else {
                               tmp2 = mtmp->mblinded;
                               tmp2 += rnd(1 + 50/tmp);
                               if(tmp2 > 127) tmp2 = 127;
                               mtmp->mblinded = tmp2;
                               mtmp->mcansee = 0;
                       }
               }
       }
}

static
struct obj *current_ice_box;    /* a local variable of use_ice_box, to be
                               used by its local procedures in/ck_ice_box */
static
in_ice_box(obj) register struct obj *obj; {
       if(obj == current_ice_box ||
               (Punished && (obj == uball || obj == uchain))){
               pline("You must be kidding.");
               return(0);
       }
       if(obj->owornmask & (W_ARMOR | W_RING)) {
               pline("You cannot refrigerate something you are wearing.");
               return(0);
       }
       if(obj->owt + current_ice_box->owt > 70) {
               pline("It won't fit.");
               return(1);      /* be careful! */
       }
       if(obj == uwep) {
               if(uwep->cursed) {
                       pline("Your weapon is welded to your hand!");
                       return(0);
               }
               setuwep((struct obj *) 0);
       }
       current_ice_box->owt += obj->owt;
       freeinv(obj);
       obj->o_cnt_id = current_ice_box->o_id;
       obj->nobj = fcobj;
       fcobj = obj;
       obj->age = moves - obj->age;    /* actual age */
       return(1);
}

static
ck_ice_box(obj) register struct obj *obj; {
       return(obj->o_cnt_id == current_ice_box->o_id);
}

static
out_ice_box(obj) register struct obj *obj; {
register struct obj *otmp;
       if(obj == fcobj) fcobj = fcobj->nobj;
       else {
               for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
                       if(!otmp->nobj) panic("out_ice_box");
               otmp->nobj = obj->nobj;
       }
       current_ice_box->owt -= obj->owt;
       obj->age = moves - obj->age;    /* simulated point of time */
       (void) addinv(obj);
}

static void
use_ice_box(obj) register struct obj *obj; {
register int cnt = 0;
register struct obj *otmp;
       current_ice_box = obj;  /* for use by in/out_ice_box */
       for(otmp = fcobj; otmp; otmp = otmp->nobj)
               if(otmp->o_cnt_id == obj->o_id)
                       cnt++;
       if(!cnt) pline("Your ice-box is empty.");
       else {
           pline("Do you want to take something out of the ice-box? [yn] ");
           if(readchar() == 'y')
               if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
                   return;
               pline("That was all. Do you wish to put something in? [yn] ");
               if(readchar() != 'y') return;
       }
       /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
       otmp = getobj("0#%", "put in");
       if(!otmp || !in_ice_box(otmp))
               flags.move = multi = 0;
}

static
struct monst *
bchit(ddx,ddy,range,sym) register int ddx,ddy,range; char sym; {
       register struct monst *mtmp = (struct monst *) 0;
       register int bchx = u.ux, bchy = u.uy;

       if(sym) Tmp_at(-1, sym);        /* open call */
       while(range--) {
               bchx += ddx;
               bchy += ddy;
               if(mtmp = m_at(bchx,bchy))
                       break;
               if(!ZAP_POS(levl[bchx][bchy].typ)) {
                       bchx -= ddx;
                       bchy -= ddy;
                       break;
               }
               if(sym) Tmp_at(bchx, bchy);
       }
       if(sym) Tmp_at(-1, -1);
       return(mtmp);
}

/* ARGSUSED */
static void
use_whistle(obj) struct obj *obj; {
register struct monst *mtmp = fmon;
       pline("You produce a high whistling sound.");
       while(mtmp) {
               if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
                       if(mtmp->msleep)
                               mtmp->msleep = 0;
                       if(mtmp->mtame)
                               EDOG(mtmp)->whistletime = moves;
               }
               mtmp = mtmp->nmon;
       }
}

/* ARGSUSED */
static void
use_magic_whistle(obj) struct obj *obj; {
register struct monst *mtmp = fmon;
       pline("You produce a strange whistling sound.");
       while(mtmp) {
               if(mtmp->mtame) mnexto(mtmp);
               mtmp = mtmp->nmon;
       }
}

static int dig_effort;  /* effort expended on current pos */
static uchar dig_level;
static coord dig_pos;
static boolean dig_down;

static
dig() {
       register struct rm *lev;
       register dpx = dig_pos.x, dpy = dig_pos.y;

       /* perhaps a nymph stole his pick-axe while he was busy digging */
       /* or perhaps he teleported away */
       if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
           dig_level != dlevel ||
           ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
            (!dig_down && dist(dpx,dpy) > 2)))
               return(0);

       dig_effort += 10 + abon() + uwep->spe + rn2(5);
       if(dig_down) {
               if(!xdnstair) {
                       pline("The floor here seems too hard to dig in.");
                       return(0);
               }
               if(dig_effort > 250) {
                       dighole();
                       return(0);      /* done with digging */
               }
               if(dig_effort > 50) {
                       register struct trap *ttmp = t_at(dpx,dpy);

                       if(!ttmp) {
                               ttmp = maketrap(dpx,dpy,PIT);
                               ttmp->tseen = 1;
                               pline("You have dug a pit.");
                               u.utrap = rn1(4,2);
                               u.utraptype = TT_PIT;
                               return(0);
                       }
               }
       } else
       if(dig_effort > 100) {
               register char *digtxt;
               register struct obj *obj;

               lev = &levl[dpx][dpy];
               if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
                       fracture_rock(obj);
                       digtxt = "The rock falls apart.";
               } else if(!lev->typ || lev->typ == SCORR) {
                       lev->typ = CORR;
                       digtxt = "You succeeded in cutting away some rock.";
               } else if(lev->typ == HWALL || lev->typ == VWALL
                                           || lev->typ == SDOOR) {
                       lev->typ = xdnstair ? DOOR : ROOM;
                       digtxt = "You just made an opening in the wall.";
               } else
                 digtxt = "Now what exactly was it that you were digging in?";
               mnewsym(dpx, dpy);
               prl(dpx, dpy);
               pline(digtxt);          /* after mnewsym & prl */
               return(0);
       } else {
               if(IS_WALL(levl[dpx][dpy].typ)) {
                       register int rno = inroom(dpx,dpy);

                       if(rno >= 0 && rooms[rno].rtype >= 8) {
                         pline("This wall seems too hard to dig into.");
                         return(0);
                       }
               }
               pline("You hit the rock with all your might.");
       }
       return(1);
}

/* When will hole be finished? Very rough indication used by shopkeeper. */
holetime() {
       return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
}

dighole()
{
       register struct trap *ttmp = t_at(u.ux, u.uy);

       if(!xdnstair) {
               pline("The floor here seems too hard to dig in.");
       } else {
               if(ttmp)
                       ttmp->ttyp = TRAPDOOR;
               else
                       ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
               ttmp->tseen = 1;
               pline("You've made a hole in the floor.");
               if(!u.ustuck) {
                       if(inshop())
                               shopdig(1);
                       pline("You fall through ...");
                       if(u.utraptype == TT_PIT) {
                               u.utrap = 0;
                               u.utraptype = 0;
                       }
                       goto_level(dlevel+1, FALSE);
               }
       }
}

static
use_pick_axe(obj)
struct obj *obj;
{
       char dirsyms[12];
       extern char sdir[];
       register char *dsp = dirsyms, *sdp = sdir;
       register struct monst *mtmp;
       register struct rm *lev;
       register int rx, ry, res = 0;

       if(obj != uwep) {
               if(uwep && uwep->cursed) {
                       /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
                       pline("Since your weapon is welded to your hand,");
                       pline("you cannot use that pick-axe.");
                       return(0);
               }
               pline("You now wield %s.", doname(obj));
               setuwep(obj);
               res = 1;
       }
       while(*sdp) {
               (void) movecmd(*sdp);   /* sets u.dx and u.dy and u.dz */
               rx = u.ux + u.dx;
               ry = u.uy + u.dy;
               if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
                   (IS_ROCK(levl[rx][ry].typ)
                   || sobj_at(ENORMOUS_ROCK, rx, ry))))
                       *dsp++ = *sdp;
               sdp++;
       }
       *dsp = 0;
       pline("In what direction do you want to dig? [%s] ", dirsyms);
       if(!getdir(0))          /* no txt */
               return(res);
       if(u.uswallow && attack(u.ustuck)) /* return(1) */;
       else
       if(u.dz < 0)
               pline("You cannot reach the ceiling.");
       else
       if(u.dz == 0) {
               if(Confusion)
                       confdir();
               rx = u.ux + u.dx;
               ry = u.uy + u.dy;
               if((mtmp = m_at(rx, ry)) && attack(mtmp))
                       return(1);
               if(!isok(rx, ry)) {
                       pline("Clash!");
                       return(1);
               }
               lev = &levl[rx][ry];
               if(lev->typ == DOOR)
                       pline("Your %s against the door.",
                               aobjnam(obj, "clang"));
               else if(!IS_ROCK(lev->typ)
                    && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
                       /* ACCESSIBLE or POOL */
                       pline("You swing your %s through thin air.",
                               aobjnam(obj, (char *) 0));
               } else {
                       if(dig_pos.x != rx || dig_pos.y != ry
                           || dig_level != dlevel || dig_down) {
                               dig_down = FALSE;
                               dig_pos.x = rx;
                               dig_pos.y = ry;
                               dig_level = dlevel;
                               dig_effort = 0;
                               pline("You start digging.");
                       } else
                               pline("You continue digging.");
                       occupation = dig;
                       occtxt = "digging";
               }
       } else if(Levitation) {
               pline("You cannot reach the floor.");
       } else {
               if(dig_pos.x != u.ux || dig_pos.y != u.uy
                   || dig_level != dlevel || !dig_down) {
                       dig_down = TRUE;
                       dig_pos.x = u.ux;
                       dig_pos.y = u.uy;
                       dig_level = dlevel;
                       dig_effort = 0;
                       pline("You start digging in the floor.");
                       if(inshop())
                               shopdig(0);
               } else
                       pline("You continue digging in the floor.");
               occupation = dig;
               occtxt = "digging";
       }
       return(1);
}