view rogue4/prob.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 9535a08ddc39
children
line wrap: on
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/*
 *
 * 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"

# undef	max

# define	TRIES	10000

static char *sccsid = "@(#)prob.c	1.3 (Berkeley) 12/17/81";

main(ac, av)
int	ac;
char	**av;
{
	register unsigned int	prob, prob2, exp;
	register struct monster	*mp;
	register unsigned int	max, min, i;
	register unsigned int	max2, min2;

	printf("%17.17s  ----experience--- ----hit points---\n", "");
	printf("%17.17s  %7s %4s %4s %7s %4s %4s lvl\n", "monster", "avg", "min", "max", "avg", "min", "max", "max hp");
	seed = 0;
	for (mp = monsters; mp < &monsters[26]; mp++) {
		i = TRIES;
		prob2 = prob = 0;
		min2 = min = 30000;
		max2 = max = 0;
		while (i--) {
			if ((exp = roll(mp->m_stats.s_lvl, 8)) < min2)
				min2 = exp;
			if (exp > max2)
				max2 = exp;
			prob2 += exp;
			mp->m_stats.s_maxhp = exp;
			if ((exp = mp->m_stats.s_exp + exp_add(mp)) < min)
				min = exp;
			if (exp > max)
				max = exp;
			prob += exp;
		}
		printf("%17.17s: %7.2f %4d %4d %7.2f %4d %4d %3d\n", mp->m_name, ((double) prob) / TRIES, min, max, ((double) prob2) / TRIES, min2, max2, mp->m_stats.s_lvl);
		fflush(stdout);
	}
}

exp_add(mp)
register struct monster *mp;
{
    register unsigned int mod;

    if (mp->m_stats.s_lvl == 1)
	mod = mp->m_stats.s_maxhp / 8;
    else
	mod = mp->m_stats.s_maxhp / 6;
    if (mp->m_stats.s_lvl > 9)
	mod *= 20;
    else if (mp->m_stats.s_lvl > 6)
	mod *= 4;
    return mod;
}

/*
 * roll:
 *	roll a number of dice
 */
roll(number, sides)
register unsigned int number, sides;
{
    register unsigned int dtotal = 0;

    dtotal = number;
    while (number--)
	dtotal += rnd(sides);
    return dtotal;
}

/*
 * rnd:
 *	Pick a very random number.
 */


rnd(range)
register unsigned int range;
{

    return RN % range;
}