freebsd-dev/games/rogue/ring.c

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/*
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Timothy C. Stoehr.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*/
#ifndef lint
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#if 0
static char sccsid[] = "@(#)ring.c 8.1 (Berkeley) 5/31/93";
1999-11-30 03:50:02 +00:00
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
/*
* ring.c
*
* This source herein may be modified and/or distributed by anybody who
* so desires, with the following restrictions:
* 1.) No portion of this notice shall be removed.
* 2.) Credit shall not be taken for the creation of this source.
* 3.) This code is not to be traded, sold, or used for personal
* gain or profit.
*
*/
#include "rogue.h"
const char *left_or_right = "left or right hand?";
const char *no_ring = "there's no ring on that hand";
short stealthy;
short r_rings;
short add_strength;
short e_rings;
short regeneration;
short ring_exp;
short auto_search;
boolean r_teleport;
boolean r_see_invisible;
boolean sustain_strength;
boolean maintain_armor;
extern char *curse_message;
extern boolean wizard;
put_on_ring()
{
short ch;
char desc[DCOLS];
object *ring;
if (r_rings == 2) {
message("wearing two rings already", 0);
return;
}
if ((ch = pack_letter("put on what?", RING)) == CANCEL) {
return;
}
if (!(ring = get_letter_object(ch))) {
message("no such item.", 0);
return;
}
if (!(ring->what_is & RING)) {
message("that's not a ring", 0);
return;
}
if (ring->in_use_flags & (ON_LEFT_HAND | ON_RIGHT_HAND)) {
message("that ring is already being worn", 0);
return;
}
if (r_rings == 1) {
ch = (rogue.left_ring ? 'r' : 'l');
} else {
message(left_or_right, 0);
do {
ch = rgetchar();
} while ((ch != CANCEL) && (ch != 'l') && (ch != 'r') && (ch != '\n') &&
(ch != '\r'));
}
if ((ch != 'l') && (ch != 'r')) {
check_message();
return;
}
if (((ch == 'l') && rogue.left_ring)||((ch == 'r') && rogue.right_ring)) {
check_message();
message("there's already a ring on that hand", 0);
return;
}
if (ch == 'l') {
do_put_on(ring, 1);
} else {
do_put_on(ring, 0);
}
ring_stats(1);
check_message();
get_desc(ring, desc);
message(desc, 0);
(void) reg_move();
}
/*
* Do not call ring_stats() from within do_put_on(). It will cause
* serious problems when do_put_on() is called from read_pack() in restore().
*/
do_put_on(ring, on_left)
object *ring;
boolean on_left;
{
if (on_left) {
ring->in_use_flags |= ON_LEFT_HAND;
rogue.left_ring = ring;
} else {
ring->in_use_flags |= ON_RIGHT_HAND;
rogue.right_ring = ring;
}
}
remove_ring()
{
boolean left = 0, right = 0;
short ch;
char buf[DCOLS];
object *ring;
if (r_rings == 0) {
inv_rings();
} else if (rogue.left_ring && !rogue.right_ring) {
left = 1;
} else if (!rogue.left_ring && rogue.right_ring) {
right = 1;
} else {
message(left_or_right, 0);
do {
ch = rgetchar();
} while ((ch != CANCEL) && (ch != 'l') && (ch != 'r') &&
(ch != '\n') && (ch != '\r'));
left = (ch == 'l');
right = (ch == 'r');
check_message();
}
if (left || right) {
if (left) {
if (rogue.left_ring) {
ring = rogue.left_ring;
} else {
message(no_ring, 0);
}
} else {
if (rogue.right_ring) {
ring = rogue.right_ring;
} else {
message(no_ring, 0);
}
}
if (ring->is_cursed) {
message(curse_message, 0);
} else {
un_put_on(ring);
(void) strcpy(buf, "removed ");
get_desc(ring, buf + 8);
message(buf, 0);
(void) reg_move();
}
}
}
un_put_on(ring)
object *ring;
{
if (ring && (ring->in_use_flags & ON_LEFT_HAND)) {
ring->in_use_flags &= (~ON_LEFT_HAND);
rogue.left_ring = 0;
} else if (ring && (ring->in_use_flags & ON_RIGHT_HAND)) {
ring->in_use_flags &= (~ON_RIGHT_HAND);
rogue.right_ring = 0;
}
ring_stats(1);
}
gr_ring(ring, assign_wk)
object *ring;
boolean assign_wk;
{
ring->what_is = RING;
if (assign_wk) {
ring->which_kind = get_rand(0, (RINGS - 1));
}
ring->class = 0;
switch(ring->which_kind) {
/*
case STEALTH:
break;
case SLOW_DIGEST:
break;
case REGENERATION:
break;
case R_SEE_INVISIBLE:
break;
case SUSTAIN_STRENGTH:
break;
case R_MAINTAIN_ARMOR:
break;
case SEARCHING:
break;
*/
case R_TELEPORT:
ring->is_cursed = 1;
break;
case ADD_STRENGTH:
case DEXTERITY:
while ((ring->class = (get_rand(0, 4) - 2)) == 0) ;
ring->is_cursed = (ring->class < 0);
break;
case ADORNMENT:
ring->is_cursed = coin_toss();
break;
}
}
inv_rings()
{
char buf[DCOLS];
if (r_rings == 0) {
message("not wearing any rings", 0);
} else {
if (rogue.left_ring) {
get_desc(rogue.left_ring, buf);
message(buf, 0);
}
if (rogue.right_ring) {
get_desc(rogue.right_ring, buf);
message(buf, 0);
}
}
if (wizard) {
sprintf(buf, "ste %d, r_r %d, e_r %d, r_t %d, s_s %d, a_s %d, reg %d, r_e %d, s_i %d, m_a %d, aus %d",
stealthy, r_rings, e_rings, r_teleport, sustain_strength,
add_strength, regeneration, ring_exp, r_see_invisible,
maintain_armor, auto_search);
message(buf, 0);
}
}
ring_stats(pr)
boolean pr;
{
short i;
object *ring;
stealthy = 0;
r_rings = 0;
e_rings = 0;
r_teleport = 0;
sustain_strength = 0;
add_strength = 0;
regeneration = 0;
ring_exp = 0;
r_see_invisible = 0;
maintain_armor = 0;
auto_search = 0;
for (i = 0; i < 2; i++) {
if (!(ring = ((i == 0) ? rogue.left_ring : rogue.right_ring))) {
continue;
}
r_rings++;
e_rings++;
switch(ring->which_kind) {
case STEALTH:
stealthy++;
break;
case R_TELEPORT:
r_teleport = 1;
break;
case REGENERATION:
regeneration++;
break;
case SLOW_DIGEST:
e_rings -= 2;
break;
case ADD_STRENGTH:
add_strength += ring->class;
break;
case SUSTAIN_STRENGTH:
sustain_strength = 1;
break;
case DEXTERITY:
ring_exp += ring->class;
break;
case ADORNMENT:
break;
case R_SEE_INVISIBLE:
r_see_invisible = 1;
break;
case MAINTAIN_ARMOR:
maintain_armor = 1;
break;
case SEARCHING:
auto_search += 2;
break;
}
}
if (pr) {
print_stats(STAT_STRENGTH);
relight();
}
}