usr/src/games/monop/misc.c

/*
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. 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.
 */

#ifndef lint
static char sccsid[] = "@(#)misc.c      8.1 (Berkeley) 5/31/93";
#endif /* not lint */

# include       "monop.ext"
# include       <ctype.h>
# include       <signal.h>

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

        reg int com;

        for (;;)
                if ((com=getinp(prompt, yn)) < 2)
                        return com;
                else
                        (*func[com-2])();
}
/*
 *      This routine tells the player if he's out of money.
 */
notify() {

        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
 */
next_play() {

        player = ++player % num_play;
        cur_p = &play[player];
        num_doub = 0;
}
/*
 *      This routine gets an integer from the keyboard after the
 * given prompt.
 */
get_int(prompt)
reg char        *prompt; {

        reg int         num;
        reg char        *sp;
        char            buf[257];

        for (;;) {
inter:
                printf(prompt);
                num = 0;
                for (sp = buf; (*sp=getchar()) != '\n'; sp++)
                        if (*sp == -1)  /* check for interrupted system call */
                                goto inter;
                if (sp == buf)
                        continue;
                for (sp = buf; isspace(*sp); sp++)
                        continue;
                for (; isdigit(*sp); sp++)
                        num = num * 10 + *sp - '0';
                if (*sp == '\n')
                        return num;
                else
                        printf("I can't understand that\n");
        }
}
/*
 *      This routine sets the monopoly flag from the list given.
 */
set_ownlist(pl)
int     pl; {

        reg int num;            /* general counter              */
        reg MON *orig;          /* remember starting monop ptr  */
        reg OWN *op;            /* current owned prop           */
        OWN     *orig_op;               /* origianl prop before loop    */

        op = play[pl].own_list;
#ifdef DEBUG
        printf("op [%d] = 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 = %d, op->sqr = %d, 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("[%d];\n", op);
#endif
                        }
#ifdef DEBUG
                        printf("num = %d\n");
#endif
                        if (orig == 0) {
                                printf("panic:  bad monopoly descriptor: orig = %d\n", orig);
                                printf("player # %d\n", pl+1);
                                printhold(pl);
                                printf("orig_op = %d\n", orig_op);
                                printf("orig_op->sqr->type = %d (PRPTY)\n", op->sqr->type);
                                printf("orig_op->next = %d\n", op->next);
                                printf("orig_op->sqr->desc = %d\n", op->sqr->desc);
                                printf("op = %d\n", op);
                                printf("op->sqr->type = %d (PRPTY)\n", op->sqr->type);
                                printf("op->next = %d\n", op->next);
                                printf("op->sqr->desc = %d\n", op->sqr->desc);
                                printf("num = %d\n", num);
                        }
#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
 */
is_monop(mp, pl)
reg MON *mp;
int     pl; {

        reg char        *sp;
        reg 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
 */
isnot_monop(mp)
reg MON *mp; {

        reg char        *sp;
        reg 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
 */
list() {

        printhold(player);
}
/*
 *      This routine gives a list of a given players holdings
 */
list_all() {

        reg 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() {

        putchar('\n');
        if (getyn("Do you all really want to quit? ", yn) == 0)
                exit(0);
        signal(SIGINT, quit);
}
/*
 *      This routine copies one structure to another
 */
cpy_st(s1, s2, size)
reg int *s1, *s2, size; {

        size /= 2;
        while (size--)
                *s1++ = *s2++;
}