initial commit

1 files changed, 572 insertions, 0 deletions

diff --git a/hack/hack.read.c b/hack/hack.read.c
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+++ b/hack/hack.read.c
@@ -0,0 +1,572 @@
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.read.c - version 1.0.3 */
+/* $FreeBSD: src/games/hack/hack.read.c,v 1.6 1999/11/16 10:26:37 marcel Exp $ */
+/* $DragonFly: src/games/hack/hack.read.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */
+
+#include "hack.h"
+
+static bool monstersym(char);
+
+int
+doread(void)
+{
+	struct obj *scroll;
+	boolean confused = (Confusion != 0);
+	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:
+		{
+			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) {
+			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:
+		{
+			int ct = 0;
+			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:
+		{
+			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(uchain);
+				uball->spe = 0;
+				uball->owornmask &= ~W_BALL;
+				uchain = uball = NULL;
+			}
+			break;
+		}
+	case SCR_CREATE_MONSTER:
+		{
+			int cnt = 1;
+
+			if (!rn2(73))
+				cnt += rnd(4);
+			if (confused)
+				cnt += 12;
+			while (cnt--)
+				makemon(confused ? PM_ACID_BLOB :
+				    NULL, 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:
+		{
+			int i, j;
+			int bd = confused ? 5 : 1;
+			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)))
+						tamedog(mtmp, NULL);
+			break;
+		}
+	case SCR_GENOCIDE:
+		{
+			char buf[BUFSZ];
+			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 (!strchr(fut_geno, *buf))
+				charcat(fut_geno, *buf);
+			if (!strchr(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
+			int oux = u.ux, ouy = u.uy;
+			tele();
+			if (dist(oux, ouy) > 100)
+				known = TRUE;
+#else /* QUEST */
+			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) {
+			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, '$');
+				prme();
+				pline("You feel very greedy!");
+			}
+		} else {
+			struct gold *gtmp;
+
+			if (!fgold) {
+				strange_feeling(scroll, "You feel materially poor.");
+				return (1);
+			} else {
+				known = TRUE;
+				for (gtmp = fgold; gtmp; gtmp = gtmp->ngold)
+					if (gtmp->gx != u.ux || gtmp->gy != u.uy)
+						goto outgoldmap;
+				/* only under me - no separate display required */
+				pline("You notice some gold between your feet.");
+				break;
+outgoldmap:
+				cls();
+				for (gtmp = fgold; gtmp; gtmp = gtmp->ngold)
+					at(gtmp->gx, gtmp->gy, '$');
+				prme();
+				pline("You feel very greedy, and sense gold!");
+			}
+		}
+		/* common sequel */
+		more();
+		docrt();
+		break;
+	case SCR_FOOD_DETECTION:
+		{
+			int ct = 0, ctu = 0;
+			struct obj *obj;
+			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)
+				; /* nothing */
+		return (1);
+	case SCR_MAGIC_MAPPING:
+		{
+			struct rm *lev;
+			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;
+						lev->scrsym = CORR_SYM;
+					} else if (num == SDOOR) {
+						lev->typ = DOOR;
+						lev->scrsym = '+';
+						/* 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:
+		{
+			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:
+		{
+			int num = 0;
+			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 (strchr("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);
+}
+
+int
+identify(struct obj *otmp)		/* also called by newmail() */
+{
+	objects[otmp->otyp].oc_name_known = 1;
+	otmp->known = otmp->dknown = 1;
+	prinv(otmp);
+	return (1);
+}
+
+void
+litroom(bool on)
+{
+#ifndef QUEST
+	int num, zx, zy;
+#endif
+
+	/* 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  */
+static bool
+monstersym(char ch)		/* arnold@ucsfcgl */
+{
+	struct permonst *mp;
+
+	/*
+	 * can't genocide certain monsters
+	 */
+	if (strchr("12 &:", ch))
+		return (FALSE);
+
+	if (ch == pm_eel.mlet)
+		return (TRUE);
+	for (mp = mons; mp < &mons[CMNUM + 2]; mp++)
+		if (mp->mlet == ch)
+			return (TRUE);
+	return (FALSE);
+}