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-rw-r--r--hack/hack.c904
1 files changed, 904 insertions, 0 deletions
diff --git a/hack/hack.c b/hack/hack.c
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index 0000000..56aa11f
--- /dev/null
+++ b/hack/hack.c
@@ -0,0 +1,904 @@
+/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
+/* hack.c - version 1.0.3 */
+/* $FreeBSD: src/games/hack/hack.c,v 1.4 1999/11/16 10:26:35 marcel Exp $ */
+
+#include "hack.h"
+
+static void movobj(struct obj *, int, int);
+#ifdef QUEST
+static bool rroom(int, int);
+#endif
+static int inv_cnt(void);
+
+/* called on movement:
+ * 1. when throwing ball+chain far away
+ * 2. when teleporting
+ * 3. when walking out of a lit room
+ */
+void
+unsee(void)
+{
+ int x, y;
+ struct rm *lev;
+
+#ifndef QUEST
+ if (seehx)
+ seehx = 0;
+ else
+#endif /* QUEST */
+ for (x = u.ux - 1; x < u.ux + 2; x++)
+ for (y = u.uy - 1; y < u.uy + 2; y++) {
+ if (!isok(x, y))
+ continue;
+ lev = &levl[x][y];
+ if (!lev->lit && lev->scrsym == '.') {
+ lev->scrsym = ' ';
+ lev->new = 1;
+ on_scr(x, y);
+ }
+ }
+}
+
+/* called:
+ * in hack.eat.c: seeoff(0) - blind after eating rotten food
+ * in hack.mon.c: seeoff(0) - blinded by a yellow light
+ * in hack.mon.c: seeoff(1) - swallowed
+ * in hack.do.c: seeoff(0) - blind after drinking potion
+ * in hack.do.c: seeoff(1) - go up or down the stairs
+ * in hack.trap.c:seeoff(1) - fall through trapdoor
+ * mode:
+ * 1 to redo @, 0 to leave them *//* 1 means
+ * misc movement, 0 means blindness
+ */
+void
+seeoff(bool mode)
+{
+ int x, y;
+ struct rm *lev;
+
+ if (u.udispl && mode) {
+ u.udispl = 0;
+ levl[u.udisx][u.udisy].scrsym = news0(u.udisx, u.udisy);
+ }
+#ifndef QUEST
+ if (seehx)
+ seehx = 0;
+ else
+#endif /* QUEST */
+ if (!mode) {
+ for (x = u.ux - 1; x < u.ux + 2; x++)
+ for (y = u.uy - 1; y < u.uy + 2; y++) {
+ if (!isok(x, y))
+ continue;
+ lev = &levl[x][y];
+ if (!lev->lit && lev->scrsym == '.')
+ lev->seen = 0;
+ }
+ }
+}
+
+void
+domove(void)
+{
+ xchar oldx, oldy;
+ struct monst *mtmp = NULL;
+ struct rm *tmpr, *ust;
+ struct trap *trap = NULL;
+ struct obj *otmp;
+
+ u_wipe_engr(rnd(5));
+
+ if (inv_weight() > 0) {
+ pline("You collapse under your load.");
+ nomul(0);
+ return;
+ }
+ if (u.uswallow) {
+ u.dx = u.dy = 0;
+ u.ux = u.ustuck->mx;
+ u.uy = u.ustuck->my;
+ } else {
+ if (Confusion) {
+ do {
+ confdir();
+ } while (!isok(u.ux + u.dx, u.uy + u.dy) ||
+ IS_ROCK(levl[u.ux + u.dx][u.uy + u.dy].typ));
+ }
+ if (!isok(u.ux + u.dx, u.uy + u.dy)) {
+ nomul(0);
+ return;
+ }
+ }
+
+ ust = &levl[u.ux][u.uy];
+ oldx = u.ux;
+ oldy = u.uy;
+ if (!u.uswallow &&
+ (trap = t_at(u.ux + u.dx, u.uy + u.dy)) && trap->tseen)
+ nomul(0);
+ if (u.ustuck && !u.uswallow && (u.ux + u.dx != u.ustuck->mx ||
+ u.uy + u.dy != u.ustuck->my)) {
+ if (dist(u.ustuck->mx, u.ustuck->my) > 2) {
+ /* perhaps it fled (or was teleported or ... ) */
+ u.ustuck = 0;
+ } else {
+ if (Blind)
+ pline("You cannot escape from it!");
+ else
+ pline("You cannot escape from %s!",
+ monnam(u.ustuck));
+ nomul(0);
+ return;
+ }
+ }
+ if (u.uswallow || (mtmp = m_at(u.ux + u.dx, u.uy + u.dy))) {
+ /* attack monster */
+
+ nomul(0);
+ gethungry();
+ if (multi < 0) /* we just fainted */
+ return;
+
+ /* try to attack; note that it might evade */
+ if (attack(u.uswallow ? u.ustuck : mtmp))
+ return;
+ }
+ /* not attacking an animal, so we try to move */
+ if (u.utrap) {
+ if (u.utraptype == TT_PIT) {
+ pline("You are still in a pit.");
+ u.utrap--;
+ } else {
+ pline("You are caught in a beartrap.");
+ if ((u.dx && u.dy) || !rn2(5))
+ u.utrap--;
+ }
+ return;
+ }
+ tmpr = &levl[u.ux + u.dx][u.uy + u.dy];
+ if (IS_ROCK(tmpr->typ) ||
+ (u.dx && u.dy && (tmpr->typ == DOOR || ust->typ == DOOR))) {
+ flags.move = 0;
+ nomul(0);
+ return;
+ }
+ while ((otmp = sobj_at(ENORMOUS_ROCK, u.ux + u.dx, u.uy + u.dy)) != NULL) {
+ struct trap *ttmp;
+ xchar rx = u.ux + 2 * u.dx, ry = u.uy + 2 * u.dy;
+ nomul(0);
+ if (isok(rx, ry) && !IS_ROCK(levl[rx][ry].typ) &&
+ (levl[rx][ry].typ != DOOR || !(u.dx && u.dy)) &&
+ !sobj_at(ENORMOUS_ROCK, rx, ry)) {
+ if (m_at(rx, ry)) {
+ pline("You hear a monster behind the rock.");
+ pline("Perhaps that's why you cannot move it.");
+ goto cannot_push;
+ }
+ if ((ttmp = t_at(rx, ry)) != NULL)
+ switch (ttmp->ttyp) {
+ case PIT:
+ pline("You push the rock into a pit!");
+ deltrap(ttmp);
+ delobj(otmp);
+ pline("It completely fills the pit!");
+ continue;
+ case TELEP_TRAP:
+ pline("You push the rock and suddenly it disappears!");
+ delobj(otmp);
+ continue;
+ }
+ if (levl[rx][ry].typ == POOL) {
+ levl[rx][ry].typ = ROOM;
+ mnewsym(rx, ry);
+ prl(rx, ry);
+ pline("You push the rock into the water.");
+ pline("Now you can cross the water!");
+ delobj(otmp);
+ continue;
+ }
+ otmp->ox = rx;
+ otmp->oy = ry;
+ if (cansee(rx, ry))
+ atl(rx, ry, otmp->olet);
+ if (Invisible)
+ newsym(u.ux + u.dx, u.uy + u.dy);
+
+ {
+ static long lastmovetime;
+ /* note: this var contains garbage initially and
+ * after a restore */
+ if (moves > lastmovetime + 2 || moves < lastmovetime)
+ pline("With great effort you move the enormous rock.");
+ lastmovetime = moves;
+ }
+ } else {
+ pline("You try to move the enormous rock, but in vain.");
+cannot_push:
+ if ((!invent || inv_weight() + 90 <= 0) &&
+ (!u.dx || !u.dy ||
+ (IS_ROCK(levl[u.ux][u.uy + u.dy].typ)
+ && IS_ROCK(levl[u.ux + u.dx][u.uy].typ)))) {
+ pline("However, you can squeeze yourself into a small opening.");
+ break;
+ } else
+ return;
+ }
+ }
+ if (u.dx && u.dy && IS_ROCK(levl[u.ux][u.uy + u.dy].typ) &&
+ IS_ROCK(levl[u.ux + u.dx][u.uy].typ) &&
+ invent && inv_weight() + 40 > 0) {
+ pline("You are carrying too much to get through.");
+ nomul(0);
+ return;
+ }
+ if (Punished &&
+ DIST(u.ux + u.dx, u.uy + u.dy, uchain->ox, uchain->oy) > 2) {
+ if (carried(uball)) {
+ movobj(uchain, u.ux, u.uy);
+ goto nodrag;
+ }
+
+ if (DIST(u.ux + u.dx, u.uy + u.dy, uball->ox, uball->oy) < 3) {
+ /* leave ball, move chain under/over ball */
+ movobj(uchain, uball->ox, uball->oy);
+ goto nodrag;
+ }
+
+ if (inv_weight() + (int)uball->owt / 2 > 0) {
+ pline("You cannot %sdrag the heavy iron ball.",
+ invent ? "carry all that and also " : "");
+ nomul(0);
+ return;
+ }
+
+ movobj(uball, uchain->ox, uchain->oy);
+ unpobj(uball); /* BAH %% */
+ uchain->ox = u.ux;
+ uchain->oy = u.uy;
+ nomul(-2);
+ nomovemsg = "";
+nodrag: ;
+ }
+ u.ux += u.dx;
+ u.uy += u.dy;
+ if (flags.run) {
+ if (tmpr->typ == DOOR ||
+ (xupstair == u.ux && yupstair == u.uy) ||
+ (xdnstair == u.ux && ydnstair == u.uy))
+ nomul(0);
+ }
+
+ if (tmpr->typ == POOL && !Levitation)
+ drown(); /* not necessarily fatal */
+
+ if (!Blind) {
+#ifdef QUEST
+ setsee();
+#else
+ if (ust->lit) {
+ if (tmpr->lit) {
+ if (tmpr->typ == DOOR)
+ prl1(u.ux + u.dx, u.uy + u.dy);
+ else if (ust->typ == DOOR)
+ nose1(oldx - u.dx, oldy - u.dy);
+ } else {
+ unsee();
+ prl1(u.ux + u.dx, u.uy + u.dy);
+ }
+ } else {
+ if (tmpr->lit)
+ setsee();
+ else {
+ prl1(u.ux + u.dx, u.uy + u.dy);
+ if (tmpr->typ == DOOR) {
+ if (u.dy) {
+ prl(u.ux - 1, u.uy);
+ prl(u.ux + 1, u.uy);
+ } else {
+ prl(u.ux, u.uy - 1);
+ prl(u.ux, u.uy + 1);
+ }
+ }
+ }
+ nose1(oldx - u.dx, oldy - u.dy);
+ }
+#endif /* QUEST */
+ } else
+ pru();
+ if (!flags.nopick)
+ pickup(1);
+ if (trap)
+ dotrap(trap); /* fall into pit, arrow trap, etc. */
+ inshop();
+ if (!Blind)
+ read_engr_at(u.ux, u.uy);
+}
+
+static void
+movobj(struct obj *obj, int ox, int oy)
+{
+ /* Some dirty programming to get display right */
+ freeobj(obj);
+ unpobj(obj);
+ obj->nobj = fobj;
+ fobj = obj;
+ obj->ox = ox;
+ obj->oy = oy;
+}
+
+int
+dopickup(void)
+{
+ if (!g_at(u.ux, u.uy) && !o_at(u.ux, u.uy)) {
+ pline("There is nothing here to pick up.");
+ return (0);
+ }
+ if (Levitation) {
+ pline("You cannot reach the floor.");
+ return (1);
+ }
+ pickup(0);
+ return (1);
+}
+
+void
+pickup(int all)
+{
+ struct gold *gold;
+ struct obj *obj, *obj2;
+ int wt;
+
+ if (Levitation)
+ return;
+ while ((gold = g_at(u.ux, u.uy))) {
+ pline("%ld gold piece%s.", gold->amount, plur(gold->amount));
+ u.ugold += gold->amount;
+ flags.botl = 1;
+ freegold(gold);
+ if (flags.run)
+ nomul(0);
+ if (Invisible)
+ newsym(u.ux, u.uy);
+ }
+
+ /* check for more than one object */
+ if (!all) {
+ int ct = 0;
+
+ for (obj = fobj; obj; obj = obj->nobj)
+ if (obj->ox == u.ux && obj->oy == u.uy)
+ if (!Punished || obj != uchain)
+ ct++;
+ if (ct < 2)
+ all++;
+ else
+ pline("There are several objects here.");
+ }
+
+ for (obj = fobj; obj; obj = obj2) {
+ obj2 = obj->nobj; /* perhaps obj will be picked up */
+ if (obj->ox == u.ux && obj->oy == u.uy) {
+ if (flags.run)
+ nomul(0);
+
+ /* do not pick up uchain */
+ if (Punished && obj == uchain)
+ continue;
+
+ if (!all) {
+ char c;
+
+ pline("Pick up %s ? [ynaq]", doname(obj));
+ while (!strchr("ynaq ", (c = readchar())))
+ bell();
+ if (c == 'q')
+ return;
+ if (c == 'n')
+ continue;
+ if (c == 'a')
+ all = 1;
+ }
+
+ if (obj->otyp == DEAD_COCKATRICE && !uarmg) {
+ pline("Touching the dead cockatrice is a fatal mistake.");
+ pline("You turn to stone.");
+ killer = "cockatrice cadaver";
+ done("died");
+ }
+
+ if (obj->otyp == SCR_SCARE_MONSTER) {
+ if (!obj->spe)
+ obj->spe = 1;
+ else {
+ /* Note: perhaps the 1st pickup failed: you cannot
+ * carry anymore, and so we never dropped it -
+ * let's assume that treading on it twice also
+ * destroys the scroll */
+ pline("The scroll turns to dust as you pick it up.");
+ delobj(obj);
+ continue;
+ }
+ }
+
+ wt = inv_weight() + obj->owt;
+ if (wt > 0) {
+ if (obj->quan > 1) {
+ /* see how many we can lift */
+ int savequan = obj->quan;
+ int iw = inv_weight();
+ int qq;
+ for (qq = 1; qq < savequan; qq++) {
+ obj->quan = qq;
+ if (iw + weight(obj) > 0)
+ break;
+ }
+ obj->quan = savequan;
+ qq--;
+ /* we can carry qq of them */
+ if (!qq)
+ goto too_heavy;
+ pline("You can only carry %s of the %s lying here.",
+ (qq == 1) ? "one" : "some",
+ doname(obj));
+ splitobj(obj, qq);
+ /* note: obj2 is set already, so we'll never
+ * encounter the other half; if it should be
+ * otherwise then write
+ * obj2 = splitobj(obj, qq);
+ */
+ goto lift_some;
+ }
+too_heavy:
+ pline("There %s %s here, but %s.",
+ (obj->quan == 1) ? "is" : "are",
+ doname(obj),
+ !invent ? "it is too heavy for you to lift"
+ : "you cannot carry anymore");
+ break;
+ }
+lift_some:
+ if (inv_cnt() >= 52) {
+ pline("Your knapsack cannot accommodate anymore items.");
+ break;
+ }
+ if (wt > -5)
+ pline("You have a little trouble lifting");
+ freeobj(obj);
+ if (Invisible)
+ newsym(u.ux, u.uy);
+ addtobill(obj); /* sets obj->unpaid if necessary */
+ {
+ int pickquan = obj->quan;
+ int mergquan;
+ if (!Blind) /* this is done by prinv(), */
+ obj->dknown = 1;/* but addinv() needs it */
+ /* already for merging */
+ obj = addinv(obj); /* might merge it with other objects */
+ mergquan = obj->quan;
+ obj->quan = pickquan; /* to fool prinv() */
+ prinv(obj);
+ obj->quan = mergquan;
+ }
+ }
+ }
+}
+
+/* stop running if we see something interesting */
+/* turn around a corner if that is the only way we can proceed */
+/* do not turn left or right twice */
+void
+lookaround(void)
+{
+ int x, y, i, x0, y0, m0, i0 = 9;
+ int corrct = 0, noturn = 0;
+ struct monst *mtmp;
+
+ /* suppress "used before set" message */
+ x0 = y0 = m0 = 0;
+ if (Blind || flags.run == 0)
+ return;
+ if (flags.run == 1 && levl[u.ux][u.uy].typ == ROOM)
+ return;
+#ifdef QUEST
+ if (u.ux0 == u.ux + u.dx && u.uy0 == u.uy + u.dy)
+ goto stop;
+#endif /* QUEST */
+ for (x = u.ux - 1; x <= u.ux + 1; x++)
+ for (y = u.uy - 1; y <= u.uy + 1; y++) {
+ if (x == u.ux && y == u.uy)
+ continue;
+ if (!levl[x][y].typ)
+ continue;
+ if ((mtmp = m_at(x, y)) && !mtmp->mimic &&
+ (!mtmp->minvis || See_invisible)) {
+ if (!mtmp->mtame ||
+ (x == u.ux + u.dx && y == u.uy + u.dy))
+ goto stop;
+ } else /* invisible M cannot influence us */
+ mtmp = NULL;
+ if (x == u.ux - u.dx && y == u.uy - u.dy)
+ continue;
+ switch (levl[x][y].scrsym) {
+ case '|':
+ case '-':
+ case '.':
+ case ' ':
+ break;
+ case '+':
+ if (x != u.ux && y != u.uy)
+ break;
+ if (flags.run != 1)
+ goto stop;
+ /* fall into next case */
+ case CORR_SYM:
+corr:
+ if (flags.run == 1 || flags.run == 3) {
+ i = DIST(x, y, u.ux + u.dx, u.uy + u.dy);
+ if (i > 2)
+ break;
+ if (corrct == 1 &&
+ DIST(x, y, x0, y0) != 1)
+ noturn = 1;
+ if (i < i0) {
+ i0 = i;
+ x0 = x;
+ y0 = y;
+ m0 = mtmp ? 1 : 0;
+ }
+ }
+ corrct++;
+ break;
+ case '^':
+ if (flags.run == 1) /* if you must */
+ goto corr;
+ if (x == u.ux + u.dx && y == u.uy + u.dy)
+ goto stop;
+ break;
+ default: /* e.g. objects or trap or stairs */
+ if (flags.run == 1)
+ goto corr;
+ if (mtmp) /* d */
+ break;
+stop:
+ nomul(0);
+ return;
+ }
+ }
+#ifdef QUEST
+ if (corrct > 0 && (flags.run == 4 || flags.run == 5))
+ goto stop;
+#endif /* QUEST */
+ if (corrct > 1 && flags.run == 2)
+ goto stop;
+ if ((flags.run == 1 || flags.run == 3) && !noturn && !m0 && i0 &&
+ (corrct == 1 || (corrct == 2 && i0 == 1))) {
+ /* make sure that we do not turn too far */
+ if (i0 == 2) {
+ if (u.dx == y0 - u.uy && u.dy == u.ux - x0)
+ i = 2; /* straight turn right */
+ else
+ i = -2; /* straight turn left */
+ } else if (u.dx && u.dy) {
+ if ((u.dx == u.dy && y0 == u.uy) ||
+ (u.dx != u.dy && y0 != u.uy))
+ i = -1; /* half turn left */
+ else
+ i = 1; /* half turn right */
+ } else {
+ if ((x0 - u.ux == y0 - u.uy && !u.dy) ||
+ (x0 - u.ux != y0 - u.uy && u.dy))
+ i = 1; /* half turn right */
+ else
+ i = -1; /* half turn left */
+ }
+ i += u.last_str_turn;
+ if (i <= 2 && i >= -2) {
+ u.last_str_turn = i;
+ u.dx = x0 - u.ux, u.dy = y0 - u.uy;
+ }
+ }
+}
+
+/* something like lookaround, but we are not running */
+/* react only to monsters that might hit us */
+bool
+monster_nearby(void)
+{
+ int x, y;
+ struct monst *mtmp;
+
+ if (!Blind)
+ for (x = u.ux - 1; x <= u.ux + 1; x++)
+ for (y = u.uy - 1; y <= u.uy + 1; y++) {
+ if (x == u.ux && y == u.uy)
+ continue;
+ if ((mtmp = m_at(x, y)) && !mtmp->mimic &&
+ !mtmp->mtame &&
+ !mtmp->mpeaceful &&
+ !strchr("Ea", mtmp->data->mlet) &&
+ !mtmp->mfroz && !mtmp->msleep && /* aplvax!jcn */
+ (!mtmp->minvis || See_invisible))
+ return (1);
+ }
+ return (0);
+}
+
+#ifdef QUEST
+bool
+cansee(xchar x, xchar y)
+{
+ int dx, dy, adx, ady, sdx, sdy, dmax, d;
+
+ if (Blind)
+ return (0);
+ if (!isok(x, y))
+ return (0);
+ d = dist(x, y);
+ if (d < 3)
+ return (1);
+ if (d > u.uhorizon * u.uhorizon)
+ return (0);
+ if (!levl[x][y].lit)
+ return (0);
+ dx = x - u.ux;
+ adx = abs(dx);
+ sdx = sgn(dx);
+ dy = y - u.uy;
+ ady = abs(dy);
+ sdy = sgn(dy);
+ if (dx == 0 || dy == 0 || adx == ady) {
+ dmax = (dx == 0) ? ady : adx;
+ for (d = 1; d <= dmax; d++)
+ if (!rroom(sdx * d, sdy * d))
+ return (0);
+ return (1);
+ } else if (ady > adx) {
+ for (d = 1; d <= ady; d++) {
+ if (!rroom(sdx * ((d * adx) / ady), sdy * d) ||
+ !rroom(sdx * ((d * adx - 1) / ady + 1), sdy * d))
+ return (0);
+ }
+ return (1);
+ } else {
+ for (d = 1; d <= adx; d++) {
+ if (!rroom(sdx * d, sdy * ((d * ady) / adx)) ||
+ !rroom(sdx * d, sdy * ((d * ady - 1) / adx + 1)))
+ return (0);
+ }
+ return (1);
+ }
+}
+
+static bool
+rroom(int x, int y)
+{
+ return (IS_ROOM(levl[u.ux + x][u.uy + y].typ));
+}
+
+#else
+
+bool
+cansee(xchar x, xchar y)
+{
+ if (Blind || u.uswallow)
+ return (0);
+ if (dist(x, y) < 3)
+ return (1);
+ if (levl[x][y].lit && seelx <= x && x <= seehx && seely <= y &&
+ y <= seehy)
+ return (1);
+ return (0);
+}
+#endif /* QUEST */
+
+int
+sgn(int a)
+{
+ return ((a > 0) ? 1 : (a == 0) ? 0 : -1);
+}
+
+#ifdef QUEST
+void
+setsee(void)
+{
+ int x, y;
+
+ if (Blind) {
+ pru();
+ return;
+ }
+ for (y = u.uy - u.uhorizon; y <= u.uy + u.uhorizon; y++)
+ for (x = u.ux - u.uhorizon; x <= u.ux + u.uhorizon; x++) {
+ if (cansee(x, y))
+ prl(x, y);
+ }
+}
+
+#else
+
+void
+setsee(void)
+{
+ int x, y;
+
+ if (Blind) {
+ pru();
+ return;
+ }
+ if (!levl[u.ux][u.uy].lit) {
+ seelx = u.ux - 1;
+ seehx = u.ux + 1;
+ seely = u.uy - 1;
+ seehy = u.uy + 1;
+ } else {
+ for (seelx = u.ux; levl[seelx - 1][u.uy].lit; seelx--) ;
+ for (seehx = u.ux; levl[seehx + 1][u.uy].lit; seehx++) ;
+ for (seely = u.uy; levl[u.ux][seely - 1].lit; seely--) ;
+ for (seehy = u.uy; levl[u.ux][seehy + 1].lit; seehy++) ;
+ }
+ for (y = seely; y <= seehy; y++)
+ for (x = seelx; x <= seehx; x++)
+ prl(x, y);
+
+ if (!levl[u.ux][u.uy].lit) /* seems necessary elsewhere */
+ seehx = 0;
+ else {
+ if (seely == u.uy)
+ for (x = u.ux - 1; x <= u.ux + 1; x++)
+ prl(x, seely - 1);
+ if (seehy == u.uy)
+ for (x = u.ux - 1; x <= u.ux + 1; x++)
+ prl(x, seehy + 1);
+ if (seelx == u.ux)
+ for (y = u.uy - 1; y <= u.uy + 1; y++)
+ prl(seelx - 1, y);
+ if (seehx == u.ux)
+ for (y = u.uy - 1; y <= u.uy + 1; y++)
+ prl(seehx + 1, y);
+ }
+}
+#endif /* QUEST */
+
+void
+nomul(int nval)
+{
+ if (multi < 0)
+ return;
+ multi = nval;
+ flags.mv = flags.run = 0;
+}
+
+int
+abon(void)
+{
+ if (u.ustr == 3)
+ return (-3);
+ else if (u.ustr < 6)
+ return (-2);
+ else if (u.ustr < 8)
+ return (-1);
+ else if (u.ustr < 17)
+ return (0);
+ else if (u.ustr < 69) /* up to 18/50 */
+ return (1);
+ else if (u.ustr < 118)
+ return (2);
+ else
+ return (3);
+}
+
+int
+dbon(void)
+{
+ if (u.ustr < 6)
+ return (-1);
+ else if (u.ustr < 16)
+ return (0);
+ else if (u.ustr < 18)
+ return (1);
+ else if (u.ustr == 18) /* up to 18 */
+ return (2);
+ else if (u.ustr < 94) /* up to 18/75 */
+ return (3);
+ else if (u.ustr < 109) /* up to 18/90 */
+ return (4);
+ else if (u.ustr < 118) /* up to 18/99 */
+ return (5);
+ else
+ return (6);
+}
+
+/* may kill you; cause may be poison or monster like 'A' */
+void
+losestr(int num)
+{
+ u.ustr -= num;
+ while (u.ustr < 3) {
+ u.ustr++;
+ u.uhp -= 6;
+ u.uhpmax -= 6;
+ }
+ flags.botl = 1;
+}
+
+void
+losehp(int n, const char *knam)
+{
+ u.uhp -= n;
+ if (u.uhp > u.uhpmax)
+ u.uhpmax = u.uhp; /* perhaps n was negative */
+ flags.botl = 1;
+ if (u.uhp < 1) {
+ killer = knam; /* the thing that killed you */
+ done("died");
+ }
+}
+
+void
+losehp_m(int n, struct monst *mtmp)
+{
+ u.uhp -= n;
+ flags.botl = 1;
+ if (u.uhp < 1)
+ done_in_by(mtmp);
+}
+
+void
+losexp(void) /* hit by V or W */
+{
+ int num;
+
+ if (u.ulevel > 1)
+ pline("Goodbye level %u.", u.ulevel--);
+ else
+ u.uhp = -1;
+ num = rnd(10);
+ u.uhp -= num;
+ u.uhpmax -= num;
+ u.uexp = newuexp();
+ flags.botl = 1;
+}
+
+int
+inv_weight(void)
+{
+ struct obj *otmp = invent;
+ int wt = (u.ugold + 500) / 1000;
+ int carrcap;
+
+ if (Levitation) /* pugh@cornell */
+ carrcap = MAX_CARR_CAP;
+ else {
+ carrcap = 5 * (((u.ustr > 18) ? 20 : u.ustr) + u.ulevel);
+ if (carrcap > MAX_CARR_CAP)
+ carrcap = MAX_CARR_CAP;
+ if (Wounded_legs & LEFT_SIDE)
+ carrcap -= 10;
+ if (Wounded_legs & RIGHT_SIDE)
+ carrcap -= 10;
+ }
+ while (otmp) {
+ wt += otmp->owt;
+ otmp = otmp->nobj;
+ }
+ return (wt - carrcap);
+}
+
+static int
+inv_cnt(void)
+{
+ struct obj *otmp = invent;
+ int ct = 0;
+
+ while (otmp) {
+ ct++;
+ otmp = otmp->nobj;
+ }
+ return (ct);
+}
+
+long
+newuexp(void)
+{
+ return (10 * (1L << (u.ulevel - 1)));
+}