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NetBSD/games/hack/hack.search.c

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/* $NetBSD: hack.search.c,v 1.6 2009/06/07 18:30:39 dholland Exp $ */
/*
* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
* Amsterdam
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Stichting Centrum voor Wiskunde en
* Informatica, nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: hack.search.c,v 1.6 2009/06/07 18:30:39 dholland Exp $");
#endif /* not lint */
#include "hack.h"
#include "extern.h"
int
findit(void)
{ /* returns number of things found */
int num;
xchar zx, zy;
struct trap *ttmp;
struct monst *mtmp;
xchar lx, hx, ly, hy;
if (u.uswallow)
return (0);
for (lx = u.ux; (num = levl[lx - 1][u.uy].typ) && num != CORR; lx--);
for (hx = u.ux; (num = levl[hx + 1][u.uy].typ) && num != CORR; hx++);
for (ly = u.uy; (num = levl[u.ux][ly - 1].typ) && num != CORR; ly--);
for (hy = u.uy; (num = levl[u.ux][hy + 1].typ) && num != CORR; hy++);
num = 0;
for (zy = ly; zy <= hy; zy++)
for (zx = lx; zx <= hx; zx++) {
if (levl[zx][zy].typ == SDOOR) {
levl[zx][zy].typ = DOOR;
atl(zx, zy, '+');
num++;
} else if (levl[zx][zy].typ == SCORR) {
levl[zx][zy].typ = CORR;
atl(zx, zy, CORR_SYM);
num++;
} else if ((ttmp = t_at(zx, zy)) != NULL) {
if (ttmp->ttyp == PIERC) {
(void) makemon(PM_PIERCER, zx, zy);
num++;
deltrap(ttmp);
} else if (!ttmp->tseen) {
ttmp->tseen = 1;
if (!vism_at(zx, zy))
atl(zx, zy, '^');
num++;
}
} else if ((mtmp = m_at(zx, zy)) != NULL)
if (mtmp->mimic) {
seemimic(mtmp);
num++;
}
}
return (num);
}
int
dosearch(void)
{
xchar x, y;
struct trap *trap;
struct monst *mtmp;
if (u.uswallow)
pline("What are you looking for? The exit?");
else
for (x = u.ux - 1; x < u.ux + 2; x++)
for (y = u.uy - 1; y < u.uy + 2; y++)
if (x != u.ux || y != u.uy) {
if (levl[x][y].typ == SDOOR) {
if (rn2(7))
continue;
levl[x][y].typ = DOOR;
levl[x][y].seen = 0; /* force prl */
prl(x, y);
nomul(0);
} else if (levl[x][y].typ == SCORR) {
if (rn2(7))
continue;
levl[x][y].typ = CORR;
levl[x][y].seen = 0; /* force prl */
prl(x, y);
nomul(0);
} else {
/*
* Be careful not to find
* anything in an SCORR or
* SDOOR
*/
if ((mtmp = m_at(x, y)) != NULL)
if (mtmp->mimic) {
seemimic(mtmp);
pline("You find a mimic.");
return (1);
}
for (trap = ftrap; trap; trap = trap->ntrap)
if (trap->tx == x && trap->ty == y &&
!trap->tseen && !rn2(8)) {
nomul(0);
pline("You find a%s.", traps[trap->ttyp]);
if (trap->ttyp == PIERC) {
deltrap(trap);
(void) makemon(PM_PIERCER, x, y);
return (1);
}
trap->tseen = 1;
if (!vism_at(x, y))
atl(x, y, '^');
}
}
}
return (1);
}
int
doidtrap(void)
{
struct trap *trap;
int x, y;
if (!getdir(1))
return (0);
x = u.ux + u.dx;
y = u.uy + u.dy;
for (trap = ftrap; trap; trap = trap->ntrap)
if (trap->tx == x && trap->ty == y && trap->tseen) {
if (u.dz)
if ((u.dz < 0) != (!xdnstair && trap->ttyp == TRAPDOOR))
continue;
pline("That is a%s.", traps[trap->ttyp]);
return (0);
}
pline("I can't see a trap there.");
return (0);
}
void
wakeup(struct monst *mtmp)
{
mtmp->msleep = 0;
setmangry(mtmp);
if (mtmp->mimic)
seemimic(mtmp);
}
/* NOTE: we must check if(mtmp->mimic) before calling this routine */
void
seemimic(struct monst *mtmp)
{
mtmp->mimic = 0;
mtmp->mappearance = 0;
unpmon(mtmp);
pmon(mtmp);
}
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