root/games/monop/misc.c
/*      $OpenBSD: misc.c,v 1.14 2016/01/08 18:20:33 mestre Exp $        */
/*      $NetBSD: misc.c,v 1.4 1995/03/23 08:34:47 cgd 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 <ctype.h>
#include <stdio.h>
#include <stdlib.h>

#include "monop.ext"

/*
 *      This routine executes a truncated set of commands until a
 * "yes or "no" answer is gotten.
 */
int
getyn(char *prompt)
{
        int     com;

        for (;;)
                if ((com=getinp(prompt, ynlist)) < 2)
                        return com;
                else
                        (*func[com-2])();
}
/*
 *      This routine tells the player if he's out of money.
 */
void
notify(void)
{
        if (cur_p->money < 0)
                printf("That leaves you $%d in debt\n", -cur_p->money);
        else if (cur_p->money == 0)
                printf("that leaves you broke\n");
        else if (fixing && !told_em && cur_p->money > 0) {
                printf("-- You are now Solvent ---\n");
                told_em = TRUE;
        }
}
/*
 *      This routine switches to the next player
 */
void
next_play(void)
{
        player = (player + 1) % num_play;
        cur_p = &play[player];
        num_doub = 0;
}
/*
 *      This routine gets an integer from the keyboard after the
 * given prompt.
 */
int
get_int(char *prompt)
{
        int     num, snum;
        char    *sp;
        int     c, i;
        char    buf[257];

        for (;;) {
                printf("%s", prompt);
                num = 0;
                i = 1;
                for (sp = buf; (c = getchar()) != '\n';) {
                        if (c == EOF) {
                                printf("user closed input stream, quitting...\n");
                                exit(0);
                        }
                        *sp = c;
                        if (i < (int)sizeof(buf)) {
                                i++;
                                sp++;
                        }
                }
                *sp = c;
                if (sp == buf)
                        continue;
                for (sp = buf; isspace((unsigned char)*sp); sp++)
                        ;
                for (; isdigit((unsigned char)*sp); sp++) {
                        snum = num;
                        num = num * 10 + *sp - '0';
                        if (num < snum) {
                                printf("Number too large - ");
                                *(sp + 1) = 'X';        /* Force a break */
                        }
                }
                /* Be kind to trailing spaces */
                for (; *sp == ' '; sp++)
                        ;
                if (*sp == '\n')
                        return num;
                else
                        printf("I can't understand that\n");
        }
}
/*
 *      This routine sets the monopoly flag from the list given.
 */
void
set_ownlist(int pl)
{
        int     num;            /* general counter              */
        MON     *orig;          /* remember starting monop ptr  */
        OWN     *op;            /* current owned prop           */
        OWN     *orig_op;               /* origianl prop before loop    */

        op = play[pl].own_list;
#ifdef DEBUG
        printf("op [%p] = play[pl [%d] ].own_list;\n", op, pl);
#endif
        while (op) {
#ifdef DEBUG
                printf("op->sqr->type = %d\n", op->sqr->type);
#endif
                switch (op->sqr->type) {
                  case UTIL:
#ifdef DEBUG
                        printf("  case UTIL:\n");
#endif
                        for (num = 0; op && op->sqr->type == UTIL; op = op->next)
                                num++;
                        play[pl].num_util = num;
#ifdef DEBUG
                        printf("play[pl].num_util = num [%d];\n", num);
#endif
                        break;
                  case RR:
#ifdef DEBUG
                        printf("  case RR:\n");
#endif
                        for (num = 0; op && op->sqr->type == RR; op = op->next) {
#ifdef DEBUG
                                printf("iter: %d\n", num);
                                printf("op = %p, op->sqr = %p, op->sqr->type = %d\n", op, op->sqr, op->sqr->type);
#endif
                                num++;
                        }
                        play[pl].num_rr = num;
#ifdef DEBUG
                        printf("play[pl].num_rr = num [%d];\n", num);
#endif
                        break;
                  case PRPTY:
#ifdef DEBUG
                        printf("  case PRPTY:\n");
#endif
                        orig = op->sqr->desc->mon_desc;
                        orig_op = op;
                        num = 0;
                        while (op && op->sqr->desc->mon_desc == orig) {
#ifdef DEBUG
                                printf("iter: %d\n", num);
#endif
                                num++;
#ifdef DEBUG
                                printf("op = op->next ");
#endif
                                op = op->next;
#ifdef DEBUG
                                printf("[%p];\n", op);
#endif
                        }
#ifdef DEBUG
                        printf("num = %d\n", num);
#endif
                        if (orig == NULL) {
                                printf("panic:  bad monopoly descriptor: orig = %p\n", orig);
                                printf("player # %d\n", pl+1);
                                printhold(pl);
                                printf("orig_op = %p\n", orig_op);
                                if (orig_op) {
                                        printf("orig_op->sqr->type = %d (PRPTY)\n",
                                            orig_op->sqr->type);
                                        printf("orig_op->next = %p\n",
                                            orig_op->next);
                                        printf("orig_op->sqr->desc = %p\n",
                                            orig_op->sqr->desc);
                                }
                                printf("op = %p\n", op);
                                if (op) {
                                        printf("op->sqr->type = %d (PRPTY)\n",
                                            op->sqr->type);
                                        printf("op->next = %p\n", op->next);
                                        printf("op->sqr->desc = %p\n",
                                            op->sqr->desc);
                                }
                                printf("num = %d\n", num);
                                exit(1);
                        }
#ifdef DEBUG
                        printf("orig->num_in = %d\n", orig->num_in);
#endif
                        if (num == orig->num_in)
                                is_monop(orig, pl);
                        else
                                isnot_monop(orig);
                        break;
                }
        }
}
/*
 *      This routine sets things up as if it is a new monopoly
 */
void
is_monop(MON *mp, int pl)
{
        int     i;

        mp->owner = pl;
        mp->num_own = mp->num_in;
        for (i = 0; i < mp->num_in; i++)
                mp->sq[i]->desc->monop = TRUE;
        mp->name = mp->mon_n;
}
/*
 *      This routine sets things up as if it is no longer a monopoly
 */
void
isnot_monop(MON *mp)
{
        int     i;

        mp->owner = -1;
        for (i = 0; i < mp->num_in; i++)
                mp->sq[i]->desc->monop = FALSE;
        mp->name = mp->not_m;
}
/*
 *      This routine gives a list of the current player's routine
 */
void
list(void)
{
        printhold(player);
}
/*
 *      This routine gives a list of a given players holdings
 */
void
list_all(void)
{
        int     pl;

        while ((pl=getinp("Whose holdings do you want to see? ", name_list)) < num_play)
                printhold(pl);
}
/*
 *      This routine gives the players a chance before it exits.
 */
void
quit(void)
{
        putchar('\n');
        if (getyn("Do you all really want to quit? ") == 0)
                exit(0);
}