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https://salsa.debian.org/games-team/bsdgames
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976 lines
22 KiB
C
976 lines
22 KiB
C
/* $NetBSD: hack.c,v 1.6 2003/04/02 18:36:35 jsm Exp $ */
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/*
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* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
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* Amsterdam
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Stichting Centrum voor Wiskunde en
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* Informatica, nor the names of its contributors may be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
|
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: hack.c,v 1.6 2003/04/02 18:36:35 jsm Exp $");
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#endif /* not lint */
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#include "hack.h"
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#include "extern.h"
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/*
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* called on movement: 1. when throwing ball+chain far away 2. when
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* teleporting 3. when walking out of a lit room
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*/
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void
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unsee()
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{
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int x, y;
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struct rm *lev;
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/*
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if(u.udispl){
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u.udispl = 0;
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newsym(u.udisx, u.udisy);
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}
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*/
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#ifndef QUEST
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if (seehx) {
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seehx = 0;
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} else
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#endif /* QUEST */
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for (x = u.ux - 1; x < u.ux + 2; x++)
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for (y = u.uy - 1; y < u.uy + 2; y++) {
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if (!isok(x, y))
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continue;
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lev = &levl[x][y];
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if (!lev->lit && lev->scrsym == '.') {
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lev->scrsym = ' ';
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lev->new = 1;
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on_scr(x, y);
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}
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}
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}
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/*
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* called: in hack.eat.c: seeoff(0) - blind after eating rotten food in
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* hack.mon.c: seeoff(0) - blinded by a yellow light in hack.mon.c: seeoff(1)
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* - swallowed in hack.do.c: seeoff(0) - blind after drinking potion in
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* hack.do.c: seeoff(1) - go up or down the stairs in hack.trap.c:seeoff(1)
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* - fall through trapdoor
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*/
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void
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seeoff(mode)
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int mode; /* 1 to redo @, 0 to leave them *//* 1 means
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* misc movement, 0 means blindness */
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{
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int x, y;
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struct rm *lev;
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if (u.udispl && mode) {
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u.udispl = 0;
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levl[u.udisx][u.udisy].scrsym = news0(u.udisx, u.udisy);
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}
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#ifndef QUEST
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if (seehx) {
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seehx = 0;
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} else
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#endif /* QUEST */
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if (!mode) {
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for (x = u.ux - 1; x < u.ux + 2; x++)
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for (y = u.uy - 1; y < u.uy + 2; y++) {
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if (!isok(x, y))
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continue;
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lev = &levl[x][y];
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if (!lev->lit && lev->scrsym == '.')
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lev->seen = 0;
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}
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}
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}
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void
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domove()
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{
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xchar oldx, oldy;
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struct monst *mtmp = NULL;
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struct rm *tmpr, *ust;
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struct trap *trap = NULL;
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struct obj *otmp = NULL;
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u_wipe_engr(rnd(5));
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if (inv_weight() > 0) {
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pline("You collapse under your load.");
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nomul(0);
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return;
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}
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if (u.uswallow) {
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u.dx = u.dy = 0;
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u.ux = u.ustuck->mx;
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u.uy = u.ustuck->my;
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} else {
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if (Confusion) {
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do {
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confdir();
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} while (!isok(u.ux + u.dx, u.uy + u.dy) ||
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IS_ROCK(levl[u.ux + u.dx][u.uy + u.dy].typ));
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}
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if (!isok(u.ux + u.dx, u.uy + u.dy)) {
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nomul(0);
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return;
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}
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}
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ust = &levl[u.ux][u.uy];
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oldx = u.ux;
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oldy = u.uy;
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if (!u.uswallow && (trap = t_at(u.ux + u.dx, u.uy + u.dy)) && trap->tseen)
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nomul(0);
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if (u.ustuck && !u.uswallow && (u.ux + u.dx != u.ustuck->mx ||
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u.uy + u.dy != u.ustuck->my)) {
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if (dist(u.ustuck->mx, u.ustuck->my) > 2) {
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/* perhaps it fled (or was teleported or ... ) */
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u.ustuck = 0;
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} else {
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if (Blind)
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pline("You cannot escape from it!");
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else
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pline("You cannot escape from %s!",
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monnam(u.ustuck));
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nomul(0);
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return;
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}
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}
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if (u.uswallow || (mtmp = m_at(u.ux + u.dx, u.uy + u.dy))) {
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/* attack monster */
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nomul(0);
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gethungry();
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if (multi < 0)
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return; /* we just fainted */
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/* try to attack; note that it might evade */
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if (attack(u.uswallow ? u.ustuck : mtmp))
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return;
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}
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/* not attacking an animal, so we try to move */
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if (u.utrap) {
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if (u.utraptype == TT_PIT) {
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pline("You are still in a pit.");
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u.utrap--;
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} else {
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pline("You are caught in a beartrap.");
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if ((u.dx && u.dy) || !rn2(5))
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u.utrap--;
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}
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return;
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}
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tmpr = &levl[u.ux + u.dx][u.uy + u.dy];
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if (IS_ROCK(tmpr->typ) ||
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(u.dx && u.dy && (tmpr->typ == DOOR || ust->typ == DOOR))) {
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flags.move = 0;
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nomul(0);
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return;
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}
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while ((otmp = sobj_at(ENORMOUS_ROCK, u.ux + u.dx, u.uy + u.dy)) != NULL){
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xchar rx = u.ux + 2 * u.dx, ry = u.uy + 2 * u.dy;
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struct trap *ttmp;
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nomul(0);
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if (isok(rx, ry) && !IS_ROCK(levl[rx][ry].typ) &&
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(levl[rx][ry].typ != DOOR || !(u.dx && u.dy)) &&
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!sobj_at(ENORMOUS_ROCK, rx, ry)) {
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if (m_at(rx, ry)) {
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pline("You hear a monster behind the rock.");
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pline("Perhaps that's why you cannot move it.");
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goto cannot_push;
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}
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if ((ttmp = t_at(rx, ry)) != NULL)
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switch (ttmp->ttyp) {
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case PIT:
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pline("You push the rock into a pit!");
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deltrap(ttmp);
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delobj(otmp);
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pline("It completely fills the pit!");
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continue;
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case TELEP_TRAP:
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pline("You push the rock and suddenly it disappears!");
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delobj(otmp);
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continue;
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}
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if (levl[rx][ry].typ == POOL) {
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levl[rx][ry].typ = ROOM;
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mnewsym(rx, ry);
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prl(rx, ry);
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pline("You push the rock into the water.");
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pline("Now you can cross the water!");
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delobj(otmp);
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continue;
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}
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otmp->ox = rx;
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otmp->oy = ry;
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/* pobj(otmp); */
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if (cansee(rx, ry))
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atl(rx, ry, otmp->olet);
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if (Invisible)
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newsym(u.ux + u.dx, u.uy + u.dy);
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{
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static long lastmovetime;
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/*
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* note: this var contains garbage initially
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* and after a restore
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*/
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if (moves > lastmovetime + 2 || moves < lastmovetime)
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pline("With great effort you move the enormous rock.");
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lastmovetime = moves;
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}
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} else {
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pline("You try to move the enormous rock, but in vain.");
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cannot_push:
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if ((!invent || inv_weight() + 90 <= 0) &&
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(!u.dx || !u.dy || (IS_ROCK(levl[u.ux][u.uy + u.dy].typ)
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&& IS_ROCK(levl[u.ux + u.dx][u.uy].typ)))) {
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pline("However, you can squeeze yourself into a small opening.");
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break;
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} else
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return;
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}
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}
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if (u.dx && u.dy && IS_ROCK(levl[u.ux][u.uy + u.dy].typ) &&
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IS_ROCK(levl[u.ux + u.dx][u.uy].typ) &&
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invent && inv_weight() + 40 > 0) {
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pline("You are carrying too much to get through.");
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nomul(0);
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return;
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}
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if (Punished &&
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DIST(u.ux + u.dx, u.uy + u.dy, uchain->ox, uchain->oy) > 2) {
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if (carried(uball)) {
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movobj(uchain, u.ux, u.uy);
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goto nodrag;
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}
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if (DIST(u.ux + u.dx, u.uy + u.dy, uball->ox, uball->oy) < 3) {
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/* leave ball, move chain under/over ball */
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movobj(uchain, uball->ox, uball->oy);
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goto nodrag;
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}
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if (inv_weight() + (int) uball->owt / 2 > 0) {
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pline("You cannot %sdrag the heavy iron ball.",
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invent ? "carry all that and also " : "");
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nomul(0);
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return;
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}
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movobj(uball, uchain->ox, uchain->oy);
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unpobj(uball); /* BAH %% */
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uchain->ox = u.ux;
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uchain->oy = u.uy;
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nomul(-2);
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nomovemsg = "";
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nodrag: ;
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}
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u.ux += u.dx;
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u.uy += u.dy;
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if (flags.run) {
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if (tmpr->typ == DOOR ||
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(xupstair == u.ux && yupstair == u.uy) ||
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(xdnstair == u.ux && ydnstair == u.uy))
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nomul(0);
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}
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if (tmpr->typ == POOL && !Levitation)
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drown(); /* not necessarily fatal */
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/*
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if(u.udispl) {
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u.udispl = 0;
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newsym(oldx,oldy);
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}
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*/
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if (!Blind) {
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#ifdef QUEST
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setsee();
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#else
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if (ust->lit) {
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if (tmpr->lit) {
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if (tmpr->typ == DOOR)
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prl1(u.ux + u.dx, u.uy + u.dy);
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else if (ust->typ == DOOR)
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nose1(oldx - u.dx, oldy - u.dy);
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} else {
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unsee();
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prl1(u.ux + u.dx, u.uy + u.dy);
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}
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} else {
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if (tmpr->lit)
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setsee();
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else {
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prl1(u.ux + u.dx, u.uy + u.dy);
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if (tmpr->typ == DOOR) {
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if (u.dy) {
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prl(u.ux - 1, u.uy);
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prl(u.ux + 1, u.uy);
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} else {
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prl(u.ux, u.uy - 1);
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prl(u.ux, u.uy + 1);
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}
|
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}
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}
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nose1(oldx - u.dx, oldy - u.dy);
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}
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#endif /* QUEST */
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} else {
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pru();
|
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}
|
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if (!flags.nopick)
|
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pickup(1);
|
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if (trap)
|
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dotrap(trap); /* fall into pit, arrow trap, etc. */
|
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(void) inshop();
|
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if (!Blind)
|
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read_engr_at(u.ux, u.uy);
|
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}
|
|
|
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void
|
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movobj(obj, ox, oy)
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struct obj *obj;
|
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int ox, oy;
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{
|
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/* Some dirty programming to get display right */
|
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freeobj(obj);
|
|
unpobj(obj);
|
|
obj->nobj = fobj;
|
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fobj = obj;
|
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obj->ox = ox;
|
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obj->oy = oy;
|
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}
|
|
|
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int
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|
dopickup()
|
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{
|
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if (!g_at(u.ux, u.uy) && !o_at(u.ux, u.uy)) {
|
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pline("There is nothing here to pick up.");
|
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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)) != NULL) {
|
|
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++;
|
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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));
|
|
(void) 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 accomodate 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)
|
|
obj->dknown = 1; /* this is done by
|
|
* prinv(), 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()
|
|
{
|
|
int x, y, i, x0 = 0, y0 = 0, m0 = 0, i0 = 9;
|
|
int corrct = 0, noturn = 0;
|
|
struct monst *mtmp;
|
|
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
|
|
mtmp = 0; /* invisible M cannot
|
|
* influence us */
|
|
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)
|
|
goto corr; /* if you must */
|
|
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)
|
|
break; /* d */
|
|
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 */
|
|
int
|
|
monster_nearby()
|
|
{
|
|
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
|
|
int
|
|
cansee(x, y)
|
|
xchar x, 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);
|
|
}
|
|
}
|
|
|
|
int
|
|
rroom(x, y)
|
|
int x, y;
|
|
{
|
|
return (IS_ROOM(levl[u.ux + x][u.uy + y].typ));
|
|
}
|
|
|
|
#else
|
|
|
|
int
|
|
cansee(x, y)
|
|
xchar x, 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(a)
|
|
int a;
|
|
{
|
|
return ((a > 0) ? 1 : (a == 0) ? 0 : -1);
|
|
}
|
|
|
|
#ifdef QUEST
|
|
void
|
|
setsee()
|
|
{
|
|
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()
|
|
{
|
|
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)
|
|
seehx = 0; /* seems necessary elsewhere */
|
|
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(nval)
|
|
int nval;
|
|
{
|
|
if (multi < 0)
|
|
return;
|
|
multi = nval;
|
|
flags.mv = flags.run = 0;
|
|
}
|
|
|
|
int
|
|
abon()
|
|
{
|
|
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)
|
|
return (1); /* up to 18/50 */
|
|
else if (u.ustr < 118)
|
|
return (2);
|
|
else
|
|
return (3);
|
|
}
|
|
|
|
int
|
|
dbon()
|
|
{
|
|
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)
|
|
return (2); /* up to 18 */
|
|
else if (u.ustr < 94)
|
|
return (3); /* up to 18/75 */
|
|
else if (u.ustr < 109)
|
|
return (4); /* up to 18/90 */
|
|
else if (u.ustr < 118)
|
|
return (5); /* up to 18/99 */
|
|
else
|
|
return (6);
|
|
}
|
|
|
|
void
|
|
losestr(num) /* may kill you; cause may be poison or */
|
|
int num; /* monster like 'A' */
|
|
{
|
|
u.ustr -= num;
|
|
while (u.ustr < 3) {
|
|
u.ustr++;
|
|
u.uhp -= 6;
|
|
u.uhpmax -= 6;
|
|
}
|
|
flags.botl = 1;
|
|
}
|
|
|
|
void
|
|
losehp(n, knam)
|
|
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(n, mtmp)
|
|
int n;
|
|
struct monst *mtmp;
|
|
{
|
|
u.uhp -= n;
|
|
flags.botl = 1;
|
|
if (u.uhp < 1)
|
|
done_in_by(mtmp);
|
|
}
|
|
|
|
void
|
|
losexp()
|
|
{ /* 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()
|
|
{
|
|
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);
|
|
}
|
|
|
|
int
|
|
inv_cnt()
|
|
{
|
|
struct obj *otmp = invent;
|
|
int ct = 0;
|
|
while (otmp) {
|
|
ct++;
|
|
otmp = otmp->nobj;
|
|
}
|
|
return (ct);
|
|
}
|
|
|
|
long
|
|
newuexp()
|
|
{
|
|
return (10 * (1L << (u.ulevel - 1)));
|
|
}
|