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- /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
- /* read.c - version 1.0.3 */
-
- #include "hack.h"
-
- extern struct monst *makemon();
- extern struct obj *mkobj_at();
- int identify();
-
- doread() {
- register struct obj *scroll;
- register boolean confused = (Confusion != 0);
- register boolean known = FALSE;
-
- scroll = getobj("?", "read");
- if(!scroll) return(0);
- if(!scroll->dknown && Blind) {
- pline("Being blind, you cannot read the formula on the scroll.");
- return(0);
- }
- if(Blind)
- pline("As you pronounce the formula on it, the scroll disappears.");
- else
- pline("As you read the scroll, it disappears.");
- if(confused)
- pline("Being confused, you mispronounce the magic words ... ");
-
- switch(scroll->otyp) {
- #ifdef MAIL
- case SCR_MAIL:
- readmail(/* scroll */);
- break;
- #endif MAIL
- case SCR_ENCHANT_ARMOR:
- { extern struct obj *some_armor();
- register struct obj *otmp = some_armor();
- if(!otmp) {
- strange_feeling(scroll,"Your skin glows then fades.");
- return(1);
- }
- if(confused) {
- pline("Your %s glows silver for a moment.",
- objects[otmp->otyp].oc_name);
- otmp->rustfree = 1;
- break;
- }
- if(otmp->spe > 3 && rn2(otmp->spe)) {
- pline("Your %s glows violently green for a while, then evaporates.",
- objects[otmp->otyp].oc_name);
- useup(otmp);
- break;
- }
- pline("Your %s glows green for a moment.",
- objects[otmp->otyp].oc_name);
- otmp->cursed = 0;
- otmp->spe++;
- break;
- }
- case SCR_DESTROY_ARMOR:
- if(confused) {
- register struct obj *otmp = some_armor();
- if(!otmp) {
- strange_feeling(scroll,"Your bones itch.");
- return(1);
- }
- pline("Your %s glows purple for a moment.",
- objects[otmp->otyp].oc_name);
- otmp->rustfree = 0;
- break;
- }
- if(uarm) {
- pline("Your armor turns to dust and falls to the floor!");
- useup(uarm);
- } else if(uarmh) {
- pline("Your helmet turns to dust and is blown away!");
- useup(uarmh);
- } else if(uarmg) {
- pline("Your gloves vanish!");
- useup(uarmg);
- selftouch("You");
- } else {
- strange_feeling(scroll,"Your skin itches.");
- return(1);
- }
- break;
- case SCR_CONFUSE_MONSTER:
- if(confused) {
- pline("Your hands begin to glow purple.");
- Confusion += rnd(100);
- } else {
- pline("Your hands begin to glow blue.");
- u.umconf = 1;
- }
- break;
- case SCR_SCARE_MONSTER:
- { register int ct = 0;
- register struct monst *mtmp;
-
- for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
- if(cansee(mtmp->mx,mtmp->my)) {
- if(confused)
- mtmp->mflee = mtmp->mfroz =
- mtmp->msleep = 0;
- else
- mtmp->mflee = 1;
- ct++;
- }
- if(!ct) {
- if(confused)
- pline("You hear sad wailing in the distance.");
- else
- pline("You hear maniacal laughter in the distance.");
- }
- break;
- }
- case SCR_BLANK_PAPER:
- if(confused)
- pline("You see strange patterns on this scroll.");
- else
- pline("This scroll seems to be blank.");
- break;
- case SCR_REMOVE_CURSE:
- { register struct obj *obj;
- if(confused)
- pline("You feel like you need some help.");
- else
- pline("You feel like someone is helping you.");
- for(obj = invent; obj ; obj = obj->nobj)
- if(obj->owornmask)
- obj->cursed = confused;
- if(Punished && !confused) {
- Punished = 0;
- freeobj(uchain);
- unpobj(uchain);
- free((char *) uchain);
- uball->spe = 0;
- uball->owornmask &= ~W_BALL;
- uchain = uball = (struct obj *) 0;
- }
- break;
- }
- case SCR_CREATE_MONSTER:
- { register int cnt = 1;
-
- if(!rn2(73)) cnt += rnd(4);
- if(confused) cnt += 12;
- while(cnt--)
- (void) makemon(confused ? PM_ACID_BLOB :
- (struct permonst *) 0, u.ux, u.uy);
- break;
- }
- case SCR_ENCHANT_WEAPON:
- if(uwep && confused) {
- pline("Your %s glows silver for a moment.",
- objects[uwep->otyp].oc_name);
- uwep->rustfree = 1;
- } else
- if(!chwepon(scroll, 1)) /* tests for !uwep */
- return(1);
- break;
- case SCR_DAMAGE_WEAPON:
- if(uwep && confused) {
- pline("Your %s glows purple for a moment.",
- objects[uwep->otyp].oc_name);
- uwep->rustfree = 0;
- } else
- if(!chwepon(scroll, -1)) /* tests for !uwep */
- return(1);
- break;
- case SCR_TAMING:
- { register int i,j;
- register int bd = confused ? 5 : 1;
- register struct monst *mtmp;
-
- for(i = -bd; i <= bd; i++) for(j = -bd; j <= bd; j++)
- if(mtmp = m_at(u.ux+i, u.uy+j))
- (void) tamedog(mtmp, (struct obj *) 0);
- break;
- }
- case SCR_GENOCIDE:
- { extern char genocided[], fut_geno[];
- char buf[BUFSZ];
- register struct monst *mtmp, *mtmp2;
-
- pline("You have found a scroll of genocide!");
- known = TRUE;
- if(confused)
- *buf = u.usym;
- else do {
- pline("What monster do you want to genocide (Type the letter)? ");
- getlin(buf);
- } while(strlen(buf) != 1 || !monstersym(*buf));
- if(!index(fut_geno, *buf))
- charcat(fut_geno, *buf);
- if(!index(genocided, *buf))
- charcat(genocided, *buf);
- else {
- pline("Such monsters do not exist in this world.");
- break;
- }
- for(mtmp = fmon; mtmp; mtmp = mtmp2){
- mtmp2 = mtmp->nmon;
- if(mtmp->data->mlet == *buf)
- mondead(mtmp);
- }
- pline("Wiped out all %c's.", *buf);
- if(*buf == u.usym) {
- killer = "scroll of genocide";
- u.uhp = -1;
- }
- break;
- }
- case SCR_LIGHT:
- if(!Blind) known = TRUE;
- litroom(!confused);
- break;
- case SCR_TELEPORTATION:
- if(confused)
- level_tele();
- else {
- #ifdef QUEST
- register int oux = u.ux, ouy = u.uy;
- tele();
- if(dist(oux, ouy) > 100) known = TRUE;
- #else QUEST
- register int uroom = inroom(u.ux, u.uy);
- tele();
- if(uroom != inroom(u.ux, u.uy)) known = TRUE;
- #endif QUEST
- }
- break;
- case SCR_GOLD_DETECTION:
- /* Unfortunately this code has become slightly less elegant,
- now that gold and traps no longer are of the same type. */
- if(confused) {
- register struct trap *ttmp;
-
- if(!ftrap) {
- strange_feeling(scroll, "Your toes stop itching.");
- return(1);
- } else {
- for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
- if(ttmp->tx != u.ux || ttmp->ty != u.uy)
- goto outtrapmap;
- /* only under me - no separate display required */
- pline("Your toes itch!");
- break;
- outtrapmap:
- cls();
- for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
- at(ttmp->tx, ttmp->ty, '$');
- prme();
- pline("You feel very greedy!");
- }
- } else {
- register struct gold *gtmp;
-
- if(!fgold) {
- strange_feeling(scroll, "You feel materially poor.");
- return(1);
- } else {
- known = TRUE;
- for(gtmp = fgold; gtmp; gtmp = gtmp->ngold)
- if(gtmp->gx != u.ux || gtmp->gy != u.uy)
- goto outgoldmap;
- /* only under me - no separate display required */
- pline("You notice some gold between your feet.");
- break;
- outgoldmap:
- cls();
- for(gtmp = fgold; gtmp; gtmp = gtmp->ngold)
- at(gtmp->gx, gtmp->gy, '$');
- prme();
- pline("You feel very greedy, and sense gold!");
- }
- }
- /* common sequel */
- more();
- docrt();
- break;
- case SCR_FOOD_DETECTION:
- { register ct = 0, ctu = 0;
- register struct obj *obj;
- register char foodsym = confused ? POTION_SYM : FOOD_SYM;
-
- for(obj = fobj; obj; obj = obj->nobj)
- if(obj->olet == FOOD_SYM) {
- if(obj->ox == u.ux && obj->oy == u.uy) ctu++;
- else ct++;
- }
- if(!ct && !ctu) {
- strange_feeling(scroll,"Your nose twitches.");
- return(1);
- } else if(!ct) {
- known = TRUE;
- pline("You smell %s close nearby.",
- confused ? "something" : "food");
-
- } else {
- known = TRUE;
- cls();
- for(obj = fobj; obj; obj = obj->nobj)
- if(obj->olet == foodsym)
- at(obj->ox, obj->oy, FOOD_SYM);
- prme();
- pline("Your nose tingles and you smell %s!",
- confused ? "something" : "food");
- more();
- docrt();
- }
- break;
- }
- case SCR_IDENTIFY:
- /* known = TRUE; */
- if(confused)
- pline("You identify this as an identify scroll.");
- else
- pline("This is an identify scroll.");
- useup(scroll);
- objects[SCR_IDENTIFY].oc_name_known = 1;
- if(!confused)
- while(
- !ggetobj("identify", identify, rn2(5) ? 1 : rn2(5))
- && invent
- );
- return(1);
- case SCR_MAGIC_MAPPING:
- { register struct rm *lev;
- register int num, zx, zy;
-
- known = TRUE;
- pline("On this scroll %s a map!",
- confused ? "was" : "is");
- for(zy = 0; zy < ROWNO; zy++)
- for(zx = 0; zx < COLNO; zx++) {
- if(confused && rn2(7)) continue;
- lev = &(levl[zx][zy]);
- if((num = lev->typ) == 0)
- continue;
- if(num == SCORR) {
- lev->typ = CORR;
- #ifdef DGK
- lev->scrsym = symbol.corr;
- #else
- lev->scrsym = CORR_SYM;
- #endif DGK
- } else
- if(num == SDOOR) {
- lev->typ = DOOR;
- #ifdef DGK
- lev->scrsym = symbol.door;
- #else
- lev->scrsym = '+';
- #endif DGK
- /* do sth in doors ? */
- } else if(lev->seen) continue;
- #ifndef QUEST
- if(num != ROOM)
- #endif QUEST
- {
- lev->seen = lev->new = 1;
- if(lev->scrsym == ' ' || !lev->scrsym)
- newsym(zx,zy);
- else
- on_scr(zx,zy);
- }
- }
- break;
- }
- case SCR_AMNESIA:
- { register int zx, zy;
-
- known = TRUE;
- for(zx = 0; zx < COLNO; zx++) for(zy = 0; zy < ROWNO; zy++)
- if(!confused || rn2(7))
- if(!cansee(zx,zy))
- levl[zx][zy].seen = 0;
- docrt();
- pline("Thinking of Maud you forget everything else.");
- break;
- }
- case SCR_FIRE:
- { register int num;
- register struct monst *mtmp;
-
- known = TRUE;
- if(confused) {
- pline("The scroll catches fire and you burn your hands.");
- losehp(1, "scroll of fire");
- } else {
- pline("The scroll erupts in a tower of flame!");
- if(Fire_resistance)
- pline("You are uninjured.");
- else {
- num = rnd(6);
- u.uhpmax -= num;
- losehp(num, "scroll of fire");
- }
- }
- num = (2*num + 1)/3;
- for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
- if(dist(mtmp->mx,mtmp->my) < 3) {
- mtmp->mhp -= num;
- if(index("FY", mtmp->data->mlet))
- mtmp->mhp -= 3*num; /* this might well kill 'F's */
- if(mtmp->mhp < 1) {
- killed(mtmp);
- break; /* primitive */
- }
- }
- }
- break;
- }
- case SCR_PUNISHMENT:
- known = TRUE;
- if(confused) {
- pline("You feel guilty.");
- break;
- }
- pline("You are being punished for your misbehaviour!");
- if(Punished){
- pline("Your iron ball gets heavier.");
- uball->owt += 15;
- break;
- }
- Punished = INTRINSIC;
- setworn(mkobj_at(CHAIN_SYM, u.ux, u.uy), W_CHAIN);
- setworn(mkobj_at(BALL_SYM, u.ux, u.uy), W_BALL);
- uball->spe = 1; /* special ball (see save) */
- break;
- default:
- impossible("What weird language is this written in? (%u)",
- scroll->otyp);
- }
- if(!objects[scroll->otyp].oc_name_known) {
- if(known && !confused) {
- objects[scroll->otyp].oc_name_known = 1;
- more_experienced(0,10);
- } else if(!objects[scroll->otyp].oc_uname)
- docall(scroll);
- }
- useup(scroll);
- return(1);
- }
-
- identify(otmp) /* also called by newmail() */
- register struct obj *otmp;
- {
- objects[otmp->otyp].oc_name_known = 1;
- otmp->known = otmp->dknown = 1;
- prinv(otmp);
- return(1);
- }
-
- litroom(on)
- register boolean on;
- {
- register num,zx,zy;
-
- /* first produce the text (provided he is not blind) */
- if(Blind) goto do_it;
- if(!on) {
- if(u.uswallow || !xdnstair || levl[u.ux][u.uy].typ == CORR ||
- !levl[u.ux][u.uy].lit) {
- pline("It seems even darker in here than before.");
- return;
- } else
- pline("It suddenly becomes dark in here.");
- } else {
- if(u.uswallow){
- pline("%s's stomach is lit.", Monnam(u.ustuck));
- return;
- }
- if(!xdnstair){
- pline("Nothing Happens.");
- return;
- }
- #ifdef QUEST
- pline("The cave lights up around you, then fades.");
- return;
- #else QUEST
- if(levl[u.ux][u.uy].typ == CORR) {
- pline("The corridor lights up around you, then fades.");
- return;
- } else if(levl[u.ux][u.uy].lit) {
- pline("The light here seems better now.");
- return;
- } else
- pline("The room is lit.");
- #endif QUEST
- }
-
- do_it:
- #ifdef QUEST
- return;
- #else QUEST
- if(levl[u.ux][u.uy].lit == on)
- return;
- if(levl[u.ux][u.uy].typ == DOOR) {
- if(IS_ROOM(levl[u.ux][u.uy+1].typ)) zy = u.uy+1;
- else if(IS_ROOM(levl[u.ux][u.uy-1].typ)) zy = u.uy-1;
- else zy = u.uy;
- if(IS_ROOM(levl[u.ux+1][u.uy].typ)) zx = u.ux+1;
- else if(IS_ROOM(levl[u.ux-1][u.uy].typ)) zx = u.ux-1;
- else zx = u.ux;
- } else {
- zx = u.ux;
- zy = u.uy;
- }
- for(seelx = u.ux; (num = levl[seelx-1][zy].typ) != CORR && num != 0;
- seelx--);
- for(seehx = u.ux; (num = levl[seehx+1][zy].typ) != CORR && num != 0;
- seehx++);
- for(seely = u.uy; (num = levl[zx][seely-1].typ) != CORR && num != 0;
- seely--);
- for(seehy = u.uy; (num = levl[zx][seehy+1].typ) != CORR && num != 0;
- seehy++);
- for(zy = seely; zy <= seehy; zy++)
- for(zx = seelx; zx <= seehx; zx++) {
- levl[zx][zy].lit = on;
- if(!Blind && dist(zx,zy) > 2)
- if(on) prl(zx,zy); else nosee(zx,zy);
- }
- if(!on) seehx = 0;
- #endif QUEST
- }
-
- /* Test whether we may genocide all monsters with symbol ch */
- monstersym(ch) /* arnold@ucsfcgl */
- register char ch;
- {
- register struct permonst *mp;
-
- /*
- * can't genocide certain monsters
- */
- if (index("12 &:", ch))
- return FALSE;
-
- if (ch == mons[59].mlet)
- return TRUE;
- for (mp = mons; mp < &mons[CMNUM+2]; mp++)
- if (mp->mlet == ch)
- return TRUE;
- return FALSE;
- }
-