/* regen.c 			Larn is copyrighted 1986 by Noah Morgan. */
/* $FreeBSD: src/games/larn/regen.c,v 1.4 1999/11/16 02:57:24 billf Exp $ */
/* $DragonFly: src/games/larn/regen.c,v 1.3 2006/08/26 17:05:05 pavalos Exp $ */
#include "header.h"
/*
	*******
	REGEN()
	*******
	regen()

	subroutine to regenerate player hp and spells
 */
void
regen(void)
{
	int i, flag;
	long *d;
	d = c;
#ifdef EXTRA
	d[MOVESMADE]++;
#endif
	if (d[TIMESTOP]) {
		if (--d[TIMESTOP] <= 0)
			bottomline();
		return;
	}			/* for stop time spell */
	flag = 0;

	if (d[STRENGTH] < 3) {
		d[STRENGTH] = 3;
		flag = 1;
	}
	if ((d[HASTESELF] == 0) || ((d[HASTESELF] & 1) == 0))
		gtime++;

	if (d[HP] != d[HPMAX])
		if (d[REGENCOUNTER]-- <= 0) {	/* regenerate hit points */
			d[REGENCOUNTER] = 22 + (d[HARDGAME] << 1) - d[LEVEL];
			if ((d[HP] += d[REGEN]) > d[HPMAX])
				d[HP] = d[HPMAX];
			bottomhp();
		}

	if (d[SPELLS] < d[SPELLMAX])	/* regenerate spells */
		if (d[ECOUNTER]-- <= 0) {
			d[ECOUNTER] = 100 + 4 * (d[HARDGAME] - d[LEVEL] - d[ENERGY]);
			d[SPELLS]++;
			bottomspell();
		}

	if (d[HERO])
		if (--d[HERO] <= 0) {
			for (i = 0; i < 6; i++)
				d[i] -= 10;
			flag = 1;
		}
	if (d[ALTPRO])
		if (--d[ALTPRO] <= 0) {
			d[MOREDEFENSES] -= 3;
			flag = 1;
		}
	if (d[PROTECTIONTIME])
		if (--d[PROTECTIONTIME] <= 0) {
			d[MOREDEFENSES] -= 2;
			flag = 1;
		}
	if (d[DEXCOUNT])
		if (--d[DEXCOUNT] <= 0) {
			d[DEXTERITY] -= 3;
			flag = 1;
		}
	if (d[STRCOUNT])
		if (--d[STRCOUNT] <= 0) {
			d[STREXTRA] -= 3;
			flag = 1;
		}
	if (d[BLINDCOUNT])
		if (--d[BLINDCOUNT] <= 0) {
			cursors();
			lprcat("\nThe blindness lifts  ");
			beep();
		}
	if (d[CONFUSE])
		if (--d[CONFUSE] <= 0) {
			cursors();
			lprcat("\nYou regain your senses");
			beep();
		}
	if (d[GIANTSTR])
		if (--d[GIANTSTR] <= 0) {
			d[STREXTRA] -= 20;
			flag = 1;
		}
	if (d[CHARMCOUNT])
		if ((--d[CHARMCOUNT]) <= 0)
			flag = 1;
	if (d[INVISIBILITY])
		if ((--d[INVISIBILITY]) <= 0)
			flag = 1;
	if (d[CANCELLATION])
		if ((--d[CANCELLATION]) <= 0)
			flag = 1;
	if (d[WTW])
		if ((--d[WTW]) <= 0)
			flag = 1;
	if (d[HASTESELF])
		if ((--d[HASTESELF]) <= 0)
			flag = 1;
	if (d[AGGRAVATE])
		--d[AGGRAVATE];
	if (d[SCAREMONST])
		if ((--d[SCAREMONST]) <= 0)
			flag = 1;
	if (d[STEALTH])
		if ((--d[STEALTH]) <= 0)
			flag = 1;
	if (d[AWARENESS])
		--d[AWARENESS];
	if (d[HOLDMONST])
		if ((--d[HOLDMONST]) <= 0)
			flag = 1;
	if (d[HASTEMONST])
		--d[HASTEMONST];
	if (d[FIRERESISTANCE])
		if ((--d[FIRERESISTANCE]) <= 0)
			flag = 1;
	if (d[GLOBE])
		if (--d[GLOBE] <= 0) {
			d[MOREDEFENSES] -= 10;
			flag = 1;
		}
	if (d[SPIRITPRO])
		if (--d[SPIRITPRO] <= 0)
			flag = 1;
	if (d[UNDEADPRO])
		if (--d[UNDEADPRO] <= 0)
			flag = 1;
	if (d[HALFDAM])
		if (--d[HALFDAM] <= 0) {
			cursors();
			lprcat("\nYou now feel better ");
			beep();
		}
	if (d[SEEINVISIBLE])
		if (--d[SEEINVISIBLE] <= 0) {
			monstnamelist[INVISIBLESTALKER] = ' ';
			cursors();
			lprcat("\nYou feel your vision return to normal");
			beep();
		}
	if (d[ITCHING]) {
		if (d[ITCHING] > 1)
			if ((d[WEAR] != -1) || (d[SHIELD] != -1))
				if (rnd(100) < 50) {
					d[WEAR] = d[SHIELD] = -1;
					cursors();
					lprcat("\nThe hysteria of itching forces you to remove your armor!");
					beep();
					recalc();
					bottomline();
				}
		if (--d[ITCHING] <= 0) {
			cursors();
			lprcat("\nYou now feel the irritation subside!");
			beep();
		}
	}
	if (d[CLUMSINESS]) {
		if (d[WIELD] != -1)
			if (d[CLUMSINESS] > 1)
				if (item[playerx][playery] == 0)	/* only if nothing there */
					if (rnd(100) < 33)	/* drop your weapon due to clumsiness */
						drop_object((int)d[WIELD]);
		if (--d[CLUMSINESS] <= 0) {
			cursors();
			lprcat("\nYou now feel less awkward!");
			beep();
		}
	}
	if (flag)
		bottomline();
}