NetBSD-5.0.2/games/hack/hack.mkobj.c
/* $NetBSD: hack.mkobj.c,v 1.6 2003/04/02 18:36:38 jsm 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.mkobj.c,v 1.6 2003/04/02 18:36:38 jsm Exp $");
#endif /* not lint */
#include "hack.h"
#include "extern.h"
char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
struct obj *
mkobj_at(let, x, y)
int let, x, y;
{
struct obj *otmp = mkobj(let);
otmp->ox = x;
otmp->oy = y;
otmp->nobj = fobj;
fobj = otmp;
return (otmp);
}
void
mksobj_at(otyp, x, y)
int otyp, x, y;
{
struct obj *otmp = mksobj(otyp);
otmp->ox = x;
otmp->oy = y;
otmp->nobj = fobj;
fobj = otmp;
}
struct obj *
mkobj(let)
int let;
{
if (!let)
let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
return (
mksobj(
letter(let) ?
CORPSE + ((let > 'Z') ? (let - 'a' + 'Z' - '@' + 1) : (let - '@'))
: probtype(let)
)
);
}
struct obj zeroobj;
struct obj *
mksobj(otyp)
int otyp;
{
struct obj *otmp;
char let = objects[otyp].oc_olet;
otmp = newobj(0);
*otmp = zeroobj;
otmp->age = moves;
otmp->o_id = flags.ident++;
otmp->quan = 1;
otmp->olet = let;
otmp->otyp = otyp;
otmp->dknown = strchr("/=!?*", let) ? 0 : 1;
switch (let) {
case WEAPON_SYM:
otmp->quan = (otmp->otyp <= ROCK) ? rn1(6, 6) : 1;
if (!rn2(11))
otmp->spe = rnd(3);
else if (!rn2(10)) {
otmp->cursed = 1;
otmp->spe = -rnd(3);
}
break;
case FOOD_SYM:
if (otmp->otyp >= CORPSE)
break;
#ifdef NOT_YET_IMPLEMENTED
/* if tins are to be identified, need to adapt doname() etc */
if (otmp->otyp == TIN)
otmp->spe = rnd(...);
#endif /* NOT_YET_IMPLEMENTED */
/* fall into next case */
case GEM_SYM:
otmp->quan = rn2(6) ? 1 : 2;
case TOOL_SYM:
case CHAIN_SYM:
case BALL_SYM:
case ROCK_SYM:
case POTION_SYM:
case SCROLL_SYM:
case AMULET_SYM:
break;
case ARMOR_SYM:
if (!rn2(8))
otmp->cursed = 1;
if (!rn2(10))
otmp->spe = rnd(3);
else if (!rn2(9)) {
otmp->spe = -rnd(3);
otmp->cursed = 1;
}
break;
case WAND_SYM:
if (otmp->otyp == WAN_WISHING)
otmp->spe = 3;
else
otmp->spe = rn1(5,
(objects[otmp->otyp].bits & NODIR) ? 11 : 4);
break;
case RING_SYM:
if (objects[otmp->otyp].bits & SPEC) {
if (!rn2(3)) {
otmp->cursed = 1;
otmp->spe = -rnd(2);
} else
otmp->spe = rnd(2);
} else if (otmp->otyp == RIN_TELEPORTATION ||
otmp->otyp == RIN_AGGRAVATE_MONSTER ||
otmp->otyp == RIN_HUNGER || !rn2(9))
otmp->cursed = 1;
break;
default:
panic("impossible mkobj");
}
otmp->owt = weight(otmp);
return (otmp);
}
int
letter(c)
int c;
{
return (('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
}
int
weight(obj)
struct obj *obj;
{
int wt = objects[obj->otyp].oc_weight;
return (wt ? wt * obj->quan : (obj->quan + 1) / 2);
}
void
mkgold(long num, int x, int y)
{
struct gold *gold;
long amount = (num ? num : 1 + (rnd(dlevel + 2) * rnd(30)));
if ((gold = g_at(x, y)) != NULL)
gold->amount += amount;
else {
gold = newgold();
gold->ngold = fgold;
gold->gx = x;
gold->gy = y;
gold->amount = amount;
fgold = gold;
/* do sth with display? */
}
}