view rogue4/daemons.c @ 132:66b0263af424

arogue7: prevent segfaults when backstabbing while empty-handed. The calculation of the backstabbing multiplier checked the current weapon's properties without making sure the current weapon pointer was not NULL.
author John "Elwin" Edwards
date Tue, 12 May 2015 18:57:30 -0400
parents f2951c4e28d9
children 1b73a8641b37
line wrap: on
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/*
 * All the daemon and fuse functions are in here
 *
 * @(#)daemons.c	4.10 (Berkeley) 4/6/82
 *
 * 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 "rogue.h"

int between = 0;

/*
 * doctor:
 *	A healing daemon that restors hit points after rest
 */
doctor()
{
    register int lv, ohp;

    lv = pstats.s_lvl;
    ohp = pstats.s_hpt;
    quiet++;
    if (lv < 8)
    {
	if (quiet + (lv << 1) > 20)
	    pstats.s_hpt++;
    }
    else
	if (quiet >= 3)
	    pstats.s_hpt += rnd(lv - 7) + 1;
    if (ISRING(LEFT, R_REGEN))
	pstats.s_hpt++;
    if (ISRING(RIGHT, R_REGEN))
	pstats.s_hpt++;
    if (ohp != pstats.s_hpt)
    {
	if (pstats.s_hpt > max_hp)
	    pstats.s_hpt = max_hp;
	quiet = 0;
    }
}

/*
 * Swander:
 *	Called when it is time to start rolling for wandering monsters
 */
swander()
{
    start_daemon(rollwand, 0, BEFORE);
}

/*
 * rollwand:
 *	Called to roll to see if a wandering monster starts up
 */
rollwand()
{
    if (++between >= 4)
    {
	if (roll(1, 6) == 4)
	{
	    wanderer();
	    kill_daemon(rollwand);
	    fuse(swander, 0, WANDERTIME, BEFORE);
	}
	between = 0;
    }
}

/*
 * unconfuse:
 *	Release the poor player from his confusion
 */
unconfuse()
{
    player.t_flags &= ~ISHUH;
    msg("you feel less confused now");
}

/*
 * unsee:
 *	Turn off the ability to see invisible
 */
unsee()
{
    register THING *th;

    for (th = mlist; th != NULL; th = next(th))
	if (on(*th, ISINVIS) && see_monst(th))
	{
	    move(th->t_pos.y, th->t_pos.x);
	    addch(th->t_oldch);
	}
    player.t_flags &= ~CANSEE;
}

/*
 * sight:
 *	He gets his sight back
 */
sight()
{
    if (on(player, ISBLIND))
    {
	extinguish(sight);
	player.t_flags &= ~ISBLIND;
	if (!(proom->r_flags & ISGONE))
	    enter_room(&hero);
	msg("the veil of darkness lifts");
    }
}

/*
 * nohaste:
 *	End the hasting
 */
nohaste()
{
    player.t_flags &= ~ISHASTE;
    msg("you feel yourself slowing down");
}

/*
 * stomach:
 *	Digest the hero's food
 */
stomach()
{
    register int oldfood;

    if (food_left <= 0)
    {
	if (food_left-- < -STARVETIME)
	    death('s');
	/*
	 * the hero is fainting
	 */
	if (no_command || rnd(5) != 0)
	    return;
	no_command += rnd(8) + 4;
	player.t_flags &= ~ISRUN;
	running = FALSE;
	count = 0;
	hungry_state = 3;
	if (!terse)
	    addmsg("you feel too weak from lack of food.  ");
	msg("You faint");
    }
    else
    {
	oldfood = food_left;
	food_left -= ring_eat(LEFT) + ring_eat(RIGHT) + 1 - amulet;

	if (food_left < MORETIME && oldfood >= MORETIME)
	{
	    hungry_state = 2;
	    msg("you are starting to feel weak");
	}
	else if (food_left < 2 * MORETIME && oldfood >= 2 * MORETIME)
	{
	    hungry_state = 1;
	    if (!terse)
		msg("you are starting to get hungry");
	    else
		msg("getting hungry");
	}
    }
}