view rogue4/potions.c @ 182:1fe660009fd3

rogue4: don't try to close the scorefile if it isn't open. The MSVC library uses a debug assertion to prevent closing file descriptors that are negative. This is always the case with the scoreboard file descriptor if the scoreboard has been compiled out.
author John "Elwin" Edwards
date Fri, 31 Jul 2015 20:12:33 -0400
parents 9535a08ddc39
children 1b73a8641b37
line wrap: on
line source

/*
 * Function(s) for dealing with potions
 *
 * @(#)potions.c	4.24 (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"

/*
 * quaff:
 *	Quaff a potion from the pack
 */
quaff()
{
    register THING *obj, *th;
    register bool discardit = FALSE;

    obj = get_item("quaff", POTION);
    /*
     * Make certain that it is somethings that we want to drink
     */
    if (obj == NULL)
	return;
    if (obj->o_type != POTION)
    {
	if (!terse)
	    msg("yuk! Why would you want to drink that?");
	else
	    msg("that's undrinkable");
	return;
    }
    if (obj == cur_weapon)
	cur_weapon = NULL;

    /*
     * Calculate the effect it has on the poor guy.
     */
    switch (obj->o_which)
    {
	case P_CONFUSE:
	    p_know[P_CONFUSE] = TRUE;
	    if (!on(player, ISHUH))
	    {
		if (on(player, ISHUH))
		    lengthen(unconfuse, rnd(8)+HUHDURATION);
		else
		    fuse(unconfuse, 0, rnd(8)+HUHDURATION, AFTER);
		player.t_flags |= ISHUH;
		msg("wait, what's going on here. Huh? What? Who?");
	    }
	when P_POISON:
	    p_know[P_POISON] = TRUE;
	    if (!ISWEARING(R_SUSTSTR))
	    {
		chg_str(-(rnd(3)+1));
		msg("you feel very sick now");
	    }
	    else
		msg("you feel momentarily sick");
	when P_HEALING:
	    p_know[P_HEALING] = TRUE;
	    if ((pstats.s_hpt += roll(pstats.s_lvl, 4)) > max_hp)
		pstats.s_hpt = ++max_hp;
	    sight();
	    msg("you begin to feel better");
	when P_STRENGTH:
	    p_know[P_STRENGTH] = TRUE;
	    chg_str(1);
	    msg("you feel stronger, now.  What bulging muscles!");
	when P_MFIND:
	    player.t_flags |= SEEMONST;
	    fuse(turn_see, TRUE, HUHDURATION, AFTER);
	    if (mlist == NULL)
		msg("you have a strange feeling for a moment");
	    else
		p_know[P_MFIND] |= turn_see(FALSE);
	when P_TFIND:
	    /*
	     * Potion of magic detection.  Show the potions and scrolls
	     */
	    if (lvl_obj != NULL)
	    {
		register THING *tp;
		register bool show;

		show = FALSE;
		wclear(hw);
		for (tp = lvl_obj; tp != NULL; tp = next(tp))
		{
		    if (is_magic(tp))
		    {
			show = TRUE;
			mvwaddch(hw, tp->o_pos.y, tp->o_pos.x, MAGIC);
			p_know[P_TFIND] = TRUE;
		    }
		}
		for (th = mlist; th != NULL; th = next(th))
		{
		    for (tp = th->t_pack; tp != NULL; tp = next(tp))
		    {
			if (is_magic(tp))
			{
			    show = TRUE;
			    mvwaddch(hw, th->t_pos.y, th->t_pos.x, MAGIC);
			    p_know[P_TFIND] = TRUE;
			}
		    }
		}
		if (show)
		{
		    show_win(hw, 
			"You sense the presence of magic on this level.--More--");
		    break;
		}
	    }
	    msg("you have a strange feeling for a moment, then it passes");
	when P_PARALYZE:
	    p_know[P_PARALYZE] = TRUE;
	    no_command = HOLDTIME;
	    player.t_flags &= ~ISRUN;
	    msg("you can't move");
	when P_SEEINVIS:
	    if (!on(player, CANSEE))
	    {
		fuse(unsee, 0, SEEDURATION, AFTER);
		look(FALSE);
		invis_on();
	    }
	    sight();
	    msg("this potion tastes like %s juice", fruit);
	when P_RAISE:
	    p_know[P_RAISE] = TRUE;
	    msg("you suddenly feel much more skillful");
	    raise_level();
	when P_XHEAL:
	    p_know[P_XHEAL] = TRUE;
	    if ((pstats.s_hpt += roll(pstats.s_lvl, 8)) > max_hp)
	    {
		if (pstats.s_hpt > max_hp + pstats.s_lvl + 1)
		    ++max_hp;
		pstats.s_hpt = ++max_hp;
	    }
	    sight();
	    msg("you begin to feel much better");
	when P_HASTE:
	    p_know[P_HASTE] = TRUE;
	    if (add_haste(TRUE))
		msg("you feel yourself moving much faster");
	when P_RESTORE:
	    if (ISRING(LEFT, R_ADDSTR))
		add_str(&pstats.s_str, -cur_ring[LEFT]->o_ac);
	    if (ISRING(RIGHT, R_ADDSTR))
		add_str(&pstats.s_str, -cur_ring[RIGHT]->o_ac);
	    if (pstats.s_str < max_stats.s_str)
		pstats.s_str = max_stats.s_str;
	    if (ISRING(LEFT, R_ADDSTR))
		add_str(&pstats.s_str, cur_ring[LEFT]->o_ac);
	    if (ISRING(RIGHT, R_ADDSTR))
		add_str(&pstats.s_str, cur_ring[RIGHT]->o_ac);
	    msg("hey, this tastes great.  It make you feel warm all over");
	when P_BLIND:
	    p_know[P_BLIND] = TRUE;
	    if (!on(player, ISBLIND))
	    {
		player.t_flags |= ISBLIND;
		fuse(sight, 0, SEEDURATION, AFTER);
		look(FALSE);
	    }
	    msg("a cloak of darkness falls around you");
	when P_NOP:
	    msg("this potion tastes extremely dull");
	otherwise:
	    msg("what an odd tasting potion!");
	    return;
    }
    status();
    /*
     * Throw the item away
     */
    inpack--;
    if (obj->o_count > 1)
	obj->o_count--;
    else
    {
	detach(pack, obj);
        discardit = TRUE;
    }

    call_it(p_know[obj->o_which], &p_guess[obj->o_which]);

    if (discardit)
	discard(obj);
}

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

    player.t_flags |= CANSEE;
    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_disguise);
	}
}

/*
 * see_monst:
 *	Put on or off seeing monsters on this level
 */
turn_see(turn_off)
register bool turn_off;
{
    register THING *mp;
    register bool can_see, add_new;

    add_new = FALSE;
    for (mp = mlist; mp != NULL; mp = next(mp))
    {
	move(mp->t_pos.y, mp->t_pos.x);
	can_see = (see_monst(mp) || inch() == (unsigned char)mp->t_type);
	if (turn_off)
	{
	    if (!can_see)
		addch(mp->t_oldch);
	}
	else
	{
	    if (!can_see)
		standout();
	    addch(mp->t_type);
	    if (!can_see)
	    {
		standend();
		add_new++;
	    }
	}
    }
    if (turn_off)
	player.t_flags &= ~SEEMONST;
    else
	player.t_flags |= SEEMONST;
    return add_new;
}