minix/games/monop/morg.c

/*	$NetBSD: morg.c,v 1.19 2012/06/19 05:35:32 dholland Exp $	*/

/*
 * Copyright (c) 1980, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)morg.c	8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: morg.c,v 1.19 2012/06/19 05:35:32 dholland Exp $");
#endif
#endif /* not lint */

#include "monop.h"

/*
 *	These routines deal with mortgaging.
 */

static const char	*names[MAX_PRP+2],
		*const morg_coms[]	= {
			"quit",		/*  0 */
			"print",	/*  1 */
			"where",	/*  2 */
			"own holdings",	/*  3 */
			"holdings",	/*  4 */
			"mortgage",	/*  5 */
			"unmortgage",	/*  6 */
			"buy",		/*  7 */
			"sell",		/*  8 */
			"card",		/*  9 */
			"pay",		/* 10 */
			"trade",	/* 11 */
			"resign",	/* 12 */
			"save game",	/* 13 */
			"restore game",	/* 14 */
			0
		};

static short	square[MAX_PRP+2];

static int	num_good, got_houses;


static int set_mlist(void);
static void m(int);
static int set_umlist(void);
static void unm(int);

/*
 *	This routine is the command level response the mortgage command.
 * it gets the list of mortgageable property and asks which are to
 * be mortgaged.
 */
void
mortgage(void)
{
	int propnum;

	for (;;) {
		if (set_mlist() == 0) {
			if (got_houses)
				printf("You can't mortgage property with "
				    "houses on it.\n");
			else
				printf("You don't have any un-mortgaged "
				    "property.\n");
			return;
		}
		if (num_good == 1) {
			printf("Your only mortgageable property is %s\n",
			    names[0]);
			if (getyn("Do you want to mortgage it? ") == 0)
				m(square[0]);
			return;
		}
		propnum = getinp("Which property do you want to mortgage? ",
				names);
		if (propnum == num_good)
			return;
		m(square[propnum]);
		notify();
	}
}

/*
 *	This routine sets up the list of mortgageable property
 */
static int
set_mlist(void)
{
	OWN *op;

	num_good = 0;
	for (op = cur_p->own_list; op; op = op->next)
		if (!op->sqr->desc->morg) {
			if (op->sqr->type == PRPTY && op->sqr->desc->houses)
				got_houses++;
			else {
				names[num_good] = op->sqr->name;
				square[num_good++] = sqnum(op->sqr);
			}
		}
	names[num_good++] = "done";
	names[num_good--] = 0;
	return num_good;
}

/*
 *	This routine actually mortgages the property.
 */
static void
m(int propnum)
{
	int price;

	price = board[propnum].cost/2;
	board[propnum].desc->morg = TRUE;
	printf("That got you $%d\n",price);
	cur_p->money += price;
}

/*
 *	This routine is the command level repsponse to the unmortgage
 * command.  It gets the list of mortgaged property and asks which are
 * to be unmortgaged.
 */
void
unmortgage(void)
{
	int propnum;

	for (;;) {
		if (set_umlist() == 0) {
			printf("You don't have any mortgaged property.\n");
			return;
		}
		if (num_good == 1) {
			printf("Your only mortgaged property is %s\n",
			    names[0]);
			if (getyn("Do you want to unmortgage it? ") == 0)
				unm(square[0]);
			return;
		}
		propnum = getinp("Which property do you want to unmortgage? ",
		    names);
		if (propnum == num_good)
			return;
		unm(square[propnum]);
	}
}

/*
 *	This routine sets up the list of mortgaged property
 */
static int
set_umlist(void)
{
	OWN *op;

	num_good = 0;
	for (op = cur_p->own_list; op; op = op->next)
		if (op->sqr->desc->morg) {
			names[num_good] = op->sqr->name;
			square[num_good++] = sqnum(op->sqr);
		}
	names[num_good++] = "done";
	names[num_good--] = 0;
	return num_good;
}

/*
 *	This routine actually unmortgages the property
 */
static void
unm(int propnum)
{
	int price;

	price = board[propnum].cost/2;
	board[propnum].desc->morg = FALSE;
	price += price/10;
	printf("That cost you $%d\n",price);
	cur_p->money -= price;
	(void)set_umlist();
}

/*
 *	This routine forces the indebted player to fix his
 * financial woes.  It is fine to have $0 but not to be in debt.
 */
void
force_morg(void)
{
	told_em = fixing = TRUE;
	while (cur_p->money < 0) {
		told_em = FALSE;
		(*func[(getinp("How are you going to fix it up? ", morg_coms))])();
		notify();
	}
	fixing = FALSE;
}