view rogue4/rings.c @ 295:1e1c81fbb533

Rogue V5: fix elemental wands. Bolts often failed to hit, due to some struct members not being initialized. Reported by 'LazyCat' from RogueTemple.
author John "Elwin" Edwards
date Fri, 12 Jan 2018 18:02:39 -0500
parents 1b73a8641b37
children
line wrap: on
line source

/*
 * Routines dealing specifically with rings
 *
 * @(#)rings.c	4.13 (Berkeley) 1/28/82
 *
 * Rogue: Exploring the Dungeons of Doom
 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
 * All rights reserved.
 *
 * See the file LICENSE.TXT for full copyright and licensing information.
 */

#include <curses.h>
#include <string.h>
#include "rogue.h"

int gethand(void);

/*
 * ring_on:
 *	Put a ring on a hand
 */
void
ring_on(void)
{
    register THING *obj;
    register int ring;

    obj = get_item("put on", RING);
    /*
     * Make certain that it is somethings that we want to wear
     */
    if (obj == NULL)
	return;
    if (obj->o_type != RING)
    {
	if (!terse)
	    msg("it would be difficult to wrap that around a finger");
	else
	    msg("not a ring");
	return;
    }

    /*
     * find out which hand to put it on
     */
    if (is_current(obj))
	return;

    if (cur_ring[LEFT] == NULL && cur_ring[RIGHT] == NULL)
    {
	if ((ring = gethand()) < 0)
	    return;
    }
    else if (cur_ring[LEFT] == NULL)
	ring = LEFT;
    else if (cur_ring[RIGHT] == NULL)
	ring = RIGHT;
    else
    {
	if (!terse)
	    msg("you already have a ring on each hand");
	else
	    msg("wearing two");
	return;
    }
    cur_ring[ring] = obj;

    /*
     * Calculate the effect it has on the poor guy.
     */
    switch (obj->o_which)
    {
	case R_ADDSTR:
	    chg_str(obj->o_ac);
	    break;
	case R_SEEINVIS:
	    invis_on();
	    break;
	case R_AGGR:
	    aggravate();
	    break;
    }

    if (!terse)
	addmsg("you are now wearing ");
    msg("%s (%c)", inv_name(obj, TRUE), pack_char(obj));
}

/*
 * ring_off:
 *	Take off a ring
 */
void
ring_off(void)
{
    register int ring;
    register THING *obj;
    register char packchar;

    if (cur_ring[LEFT] == NULL && cur_ring[RIGHT] == NULL)
    {
	if (terse)
	    msg("no rings");
	else
	    msg("you aren't wearing any rings");
	return;
    }
    else if (cur_ring[LEFT] == NULL)
	ring = RIGHT;
    else if (cur_ring[RIGHT] == NULL)
	ring = LEFT;
    else
	if ((ring = gethand()) < 0)
	    return;
    mpos = 0;
    obj = cur_ring[ring];
    if (obj == NULL)
    {
	msg("not wearing such a ring");
	return;
    }
    packchar = pack_char(obj);
    if (dropcheck(obj))
	msg("was wearing %s(%c)", inv_name(obj, TRUE), packchar);
}

/*
 * gethand:
 *	Which hand is the hero interested in?
 */
int
gethand(void)
{
    register int c;

    for (;;)
    {
	if (terse)
	    msg("left or right ring? ");
	else
	    msg("left hand or right hand? ");
	if ((c = readchar()) == ESCAPE)
	    return -1;
	mpos = 0;
	if (c == 'l' || c == 'L')
	    return LEFT;
	else if (c == 'r' || c == 'R')
	    return RIGHT;
	if (terse)
	    msg("L or R");
	else
	    msg("please type L or R");
    }
}

/*
 * ring_eat:
 *	How much food does this ring use up?
 */
int
ring_eat(int hand)
{
    if (cur_ring[hand] == NULL)
	return 0;
    switch (cur_ring[hand]->o_which)
    {
	case R_REGEN:
	    return 2;
	case R_SUSTSTR:
	case R_SUSTARM:
	case R_PROTECT:
	case R_ADDSTR:
	case R_STEALTH:
	    return 1;
	case R_SEARCH:
	case R_ADDHIT:
	case R_ADDDAM:
	    return (rnd(3) == 0);
	case R_DIGEST:
	    return -rnd(2);
	case R_SEEINVIS:
	    return (rnd(5) == 0);
	default:
	    return 0;
    }
}

/*
 * ring_num:
 *	Print ring bonuses
 */
char *
ring_num(THING *obj)
{
    static char buf[5];

    if (!(obj->o_flags & ISKNOW))
	return "";
    switch (obj->o_which)
    {
	case R_PROTECT:
	case R_ADDSTR:
	case R_ADDDAM:
	case R_ADDHIT:
	    buf[0] = ' ';
	    strcpy(&buf[1], num(obj->o_ac, 0, RING));
	otherwise:
	    return "";
    }
    return buf;
}