view srogue/pstats.c @ 200:1cd604c827a3

Advanced Rogue 7: initialize multiple variables. MSVC complained that they might be used uninitialized. In some cases, this might have been possible. XRogue already has initializations for all these variables.
author John "Elwin" Edwards
date Wed, 12 Aug 2015 15:42:02 -0400
parents 2128c7dc8a40
children 94a0d9dd5ce1
line wrap: on
line source

/*
 * Players status routines
 *
 * @(#)pstats.c	9.0	(rdk)	 7/17/84
 *
 * Super-Rogue
 * Copyright (C) 1984 Robert D. Kindelberger
 * All rights reserved.
 *
 * See the file LICENSE.TXT for full copyright and licensing information.
 */

#include "rogue.h"
#include "rogue.ext"


/*
 * chg_hpt:
 *	Changes players hit points
 */
chg_hpt(howmany, alsomax, what)
int howmany;
bool alsomax;
char what;
{
	nochange = FALSE;
	if(alsomax)
		him->s_maxhp += howmany;
	him->s_hpt += howmany;
	if (him->s_hpt < 1) {
		msg(" ");
		death(what);
	}
}


/*
 * rchg_str:
 *	Update the players real strength 
 */
rchg_str(amt)
int amt;
{
	chg_abil(STR,amt,TRUE);
}

/*
 * chg_abil:
 *	Used to modify the hero's abilities
 */
chg_abil(what,amt,how)
int amt, what, how;
{
	if (amt == 0)
		return;
	if (how == TRUE) {			/* real (must be 1st) */
		updabil(what,amt,&pstats.s_re,TRUE);
		how = FALSE;
	}
	updabil(what,amt,&pstats.s_ef,how);	/* effective */
	updpack();
	wghtchk(FALSE);
}

/*
 * updabil:
 *	Do the actual abilities updating
 */
updabil(what, amt, pst, how)
struct real *pst;
int what, amt, how;
{
	register int *wh, *mx, *mr;
	struct real *mst, *msr;
	bool is_str = FALSE;
	int rtype;

	msr = &him->s_re;
	if (how == TRUE)				/* max real abilities */
		mst = &max_stats.s_re;
	else							/* max effective abil */
		mst = &max_stats.s_ef;
	switch (what) {
		case STR:
			is_str = TRUE;
			wh = &pst->a_str;
			mx = &mst->a_str;
			mr = &msr->a_str;
			rtype = R_ADDSTR;
		when DEX:
			wh = &pst->a_dex;
			mx = &mst->a_dex;
			mr = &msr->a_dex;
			rtype = R_DEX;
		when CON:
			wh = &pst->a_con;
			mx = &mst->a_con;
			mr = &msr->a_con;
			rtype = R_CONST;
		when WIS:
			wh = &pst->a_wis;
			mx = &mst->a_wis;
			mr = &msr->a_wis;
			rtype = R_KNOW;
		otherwise:
			return;
	}
	*wh += amt;						/* update by amt */
	if (amt < 0) {					/* if decrement */
		if (*wh < MINABIL)			/* minimum = 3 */
			*wh = MINABIL;
		if (how == FALSE) {
			if (*wh < *mr)			/* if less than real abil */
				*wh = *mr;			/* make equal to real */
		}
	}
	else {							/* increment */
		int themax;

		themax = MAXOTHER;				/* default maximum */
		if (is_str)
			themax = MAXSTR;			/* strength maximum */
		if (how != TRUE)
			themax += ringex(rtype);	/* get ring extra */
		if (*wh > themax) {				/* see if > max (if real) */
			*wh = themax;				/* max = 18  (24 if str) */
		}
		/*
		 * Check for updating the max player stats.
		 */
		if (*wh > *mx)
			*mx = *wh;
	}
}


/*
 * add_haste:
 *	add a haste to the player
 */
add_haste(potion)
bool potion;
{
	if (pl_on(ISHASTE)) {
		msg("You faint from exhaustion.");
		player.t_nocmd += rnd(8);
		player.t_flags &= ~ISHASTE;
		extinguish(nohaste);
	}
	else {
		player.t_flags |= ISHASTE;
		if (potion)
			fuse(nohaste, TRUE, roll(10,10));
		else
			fuse(nohaste, TRUE, roll(40,20));
	}
}

/*
 * getpdex:
 *	Gets players added dexterity for fighting
 */
getpdex(who, heave)
struct stats *who;
bool heave;
{
	reg int edex;

	edex = who->s_ef.a_dex;
	if (heave) {				/* an object was thrown here */
		if (edex > 18)
			return (edex - 15);
		switch(edex) {
			case 18: return 3;
			case 17: return 2;
			case 16: return 1;
			case 15:
			case 14:
			case 13:
			case 12:
			case 11:
			case 10:
			case 9:
			case 8:
			case 7:
			case 6: return 0;
			case 5: return -1;
			case 4: return -2;
			default: return -3;
		}
	}
	else {		/* object NOT thrown here (affects armor class) */
		if (edex > 18)
			return (14 - edex);
		switch(edex) {
			case 18: return -4;
			case 17: return -3;
			case 16: return -2;
			case 15: return -1;
			case 14:
			case 13:
			case 12:
			case 11:
			case 10:
			case 9:
			case 8: 
			case 7: return 0;
			case 6: return 1;
			case 5: return 2;
			case 4: return 3;
			default: return 4;
		}
	}
}

/*
 * getpwis:
 *	Get a players wisdom for fighting
 */
getpwis(who)
struct stats *who;
{
	reg int ewis;

	ewis = who->s_ef.a_wis;
	if (ewis > 18)
		return (ewis - 14);
	switch(ewis) {
		case 18: return 4;
		case 17: return 3;
		case 16: return 2;
		case 15: return 1;
		case 14:
		case 13:
		case 12:
		case 11:
		case 10:
		case 9:
		case 8: return 0;
		case 7:
		case 6: return -1;
		case 5:
		case 4: return -2;
		default: return -3;
	}
}

/*
 * getpcon:
 *	Get added hit points from players constitution
 */
getpcon(who)
struct stats *who;
{
	reg int econ;

	econ = who->s_ef.a_con;
	if (econ > 18)
		return (econ - 14);
	switch(econ) {
		case 18: return 4;
		case 17: return 3;
		case 16: return 2;
		case 15: return 1;
		case 14:
		case 13:
		case 12:
		case 11:
		case 10:
		case 9:
		case 8:
		case 7: return 0;
		case 6:
		case 5:
		case 4: return -1;
		default: return -2;
	}
}


/*
 * str_plus:
 *	compute bonus/penalties for strength on the "to hit" roll
 */
str_plus(who)
struct stats *who;
{
	reg int hitplus, str;

	hitplus = 0;
	str = who->s_ef.a_str;
	if (str > 24)			/* > 24 */
		hitplus = str - 21;
	else if (str == 24)		/* 24 */
		hitplus = 3;
	else if (str > 20)		/* 21 to 23 */
		hitplus = 2;
	else if(str >= 17)		/* 17 to 20 */
		hitplus = 1;
	else if(str > 7)		/* 8 to 16 */
		hitplus = 0;
	else if(str > 5)		/* 6 to 7 */
		hitplus = -1;
	else if(str > 3)		/* 4 to 5 */
		hitplus = -2;
	else
		hitplus = -3;		/* < 4 */
	if (who == him)			/* add pack weight if hero */
		hitplus += hitweight();
	return hitplus;
}


/*
 * add_dam:
 *	Compute additional damage done depending on strength
 */
add_dam(who)
struct stats *who;
{
	reg int exdam, str;

	exdam = 0;
	str = who->s_ef.a_str;
	if (str > 24)			/* > 24 */
		exdam = str - 18;
	else if (str == 24)		/* 24 */
		exdam = 6;
	else if (str == 23)		/* 23 */
		exdam = 5;
	else if (str > 20)		/* 21 to 22 */
		exdam = 4;
	else if (str > 18)		/* 19 to 20 */
		exdam = 3;
	else if (str == 18)		/* 18 */
		exdam = 2;
	else if (str > 15)		/* 16 to 17 */
		exdam = 1;
	else if (str > 6)		/* 7 to 14 */
		exdam = 0;
	else
		exdam = -1;			/* 3 to 6 */
	if (who == him)
		exdam += hungdam();		/* add hungry state if hero */
	return exdam;
}


/*
 * hungdam:
 *	Calculate damage depending on players hungry state
 */
hungdam()
{
	switch (hungry_state) {
		case F_OKAY:
		case F_HUNGRY:	return 0;
		when F_WEAK:	return -1;
		when F_FAINT:	return -2;
	}
}

/*
 * heal_self:
 *	Heal the hero.
 */
heal_self(factor, updmaxhp)
int factor;
bool updmaxhp;
{
	him->s_hpt += roll(him->s_lvl + getpcon(him), factor);
	if (updmaxhp)
		him->s_maxhp += 1;
	if (him->s_hpt > him->s_maxhp)
		him->s_hpt = him->s_maxhp;
	nochange = FALSE;
}