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misc.c revision 1.3
      1 /*
      2  * Copyright (c) 1980 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 /*static char sccsid[] = "from: @(#)misc.c	5.6 (Berkeley) 3/25/93";*/
     36 static char rcsid[] = "$Id: misc.c,v 1.3 1993/08/07 08:27:57 mycroft Exp $";
     37 #endif /* not lint */
     38 
     39 # include	"monop.ext"
     40 # include	<ctype.h>
     41 # include	<signal.h>
     42 
     43 /*
     44  *	This routine executes a truncated set of commands until a
     45  * "yes or "no" answer is gotten.
     46  */
     47 getyn(prompt)
     48 reg char	*prompt; {
     49 
     50 	reg int	com;
     51 
     52 	for (;;)
     53 		if ((com=getinp(prompt, yn)) < 2)
     54 			return com;
     55 		else
     56 			(*func[com-2])();
     57 }
     58 /*
     59  *	This routine tells the player if he's out of money.
     60  */
     61 notify() {
     62 
     63 	if (cur_p->money < 0)
     64 		printf("That leaves you $%d in debt\n", -cur_p->money);
     65 	else if (cur_p->money == 0)
     66 		printf("that leaves you broke\n");
     67 	else if (fixing && !told_em && cur_p->money > 0) {
     68 		printf("-- You are now Solvent ---\n");
     69 		told_em = TRUE;
     70 	}
     71 }
     72 /*
     73  *	This routine switches to the next player
     74  */
     75 next_play() {
     76 
     77 	player = ++player % num_play;
     78 	cur_p = &play[player];
     79 	num_doub = 0;
     80 }
     81 /*
     82  *	This routine gets an integer from the keyboard after the
     83  * given prompt.
     84  */
     85 get_int(prompt)
     86 reg char	*prompt; {
     87 
     88 	reg int		num;
     89 	reg char	*sp;
     90 	char		buf[257];
     91 
     92 	for (;;) {
     93 inter:
     94 		printf(prompt);
     95 		num = 0;
     96 		for (sp = buf; (*sp=getchar()) != '\n'; sp++)
     97 			if (*sp == -1)	/* check for interrupted system call */
     98 				goto inter;
     99 		if (sp == buf)
    100 			continue;
    101 		for (sp = buf; isspace(*sp); sp++)
    102 			continue;
    103 		for (; isdigit(*sp); sp++)
    104 			num = num * 10 + *sp - '0';
    105 		if (*sp == '\n')
    106 			return num;
    107 		else
    108 			printf("I can't understand that\n");
    109 	}
    110 }
    111 /*
    112  *	This routine sets the monopoly flag from the list given.
    113  */
    114 set_ownlist(pl)
    115 int	pl; {
    116 
    117 	reg int	num;		/* general counter		*/
    118 	reg MON	*orig;		/* remember starting monop ptr	*/
    119 	reg OWN	*op;		/* current owned prop		*/
    120 	OWN	*orig_op;		/* origianl prop before loop	*/
    121 
    122 	op = play[pl].own_list;
    123 #ifdef DEBUG
    124 	printf("op [%d] = play[pl [%d] ].own_list;\n", op, pl);
    125 #endif
    126 	while (op) {
    127 #ifdef DEBUG
    128 		printf("op->sqr->type = %d\n", op->sqr->type);
    129 #endif
    130 		switch (op->sqr->type) {
    131 		  case UTIL:
    132 #ifdef DEBUG
    133 			printf("  case UTIL:\n");
    134 #endif
    135 			for (num = 0; op && op->sqr->type == UTIL; op = op->next)
    136 				num++;
    137 			play[pl].num_util = num;
    138 #ifdef DEBUG
    139 			printf("play[pl].num_util = num [%d];\n", num);
    140 #endif
    141 			break;
    142 		  case RR:
    143 #ifdef DEBUG
    144 			printf("  case RR:\n");
    145 #endif
    146 			for (num = 0; op && op->sqr->type == RR; op = op->next) {
    147 #ifdef DEBUG
    148 				printf("iter: %d\n", num);
    149 				printf("op = %d, op->sqr = %d, op->sqr->type = %d\n", op, op->sqr, op->sqr->type);
    150 #endif
    151 				num++;
    152 			}
    153 			play[pl].num_rr = num;
    154 #ifdef DEBUG
    155 			printf("play[pl].num_rr = num [%d];\n", num);
    156 #endif
    157 			break;
    158 		  case PRPTY:
    159 #ifdef DEBUG
    160 			printf("  case PRPTY:\n");
    161 #endif
    162 			orig = op->sqr->desc->mon_desc;
    163 			orig_op = op;
    164 			num = 0;
    165 			while (op && op->sqr->desc->mon_desc == orig) {
    166 #ifdef DEBUG
    167 				printf("iter: %d\n", num);
    168 #endif
    169 				num++;
    170 #ifdef DEBUG
    171 				printf("op = op->next ");
    172 #endif
    173 				op = op->next;
    174 #ifdef DEBUG
    175 				printf("[%d];\n", op);
    176 #endif
    177 			}
    178 #ifdef DEBUG
    179 			printf("num = %d\n");
    180 #endif
    181 			if (orig == 0) {
    182 				printf("panic:  bad monopoly descriptor: orig = %d\n", orig);
    183 				printf("player # %d\n", pl+1);
    184 				printhold(pl);
    185 				printf("orig_op = %d\n", orig_op);
    186 				printf("orig_op->sqr->type = %d (PRPTY)\n", op->sqr->type);
    187 				printf("orig_op->next = %d\n", op->next);
    188 				printf("orig_op->sqr->desc = %d\n", op->sqr->desc);
    189 				printf("op = %d\n", op);
    190 				printf("op->sqr->type = %d (PRPTY)\n", op->sqr->type);
    191 				printf("op->next = %d\n", op->next);
    192 				printf("op->sqr->desc = %d\n", op->sqr->desc);
    193 				printf("num = %d\n", num);
    194 			}
    195 #ifdef DEBUG
    196 			printf("orig->num_in = %d\n", orig->num_in);
    197 #endif
    198 			if (num == orig->num_in)
    199 				is_monop(orig, pl);
    200 			else
    201 				isnot_monop(orig);
    202 			break;
    203 		}
    204 	}
    205 }
    206 /*
    207  *	This routine sets things up as if it is a new monopoly
    208  */
    209 is_monop(mp, pl)
    210 reg MON	*mp;
    211 int	pl; {
    212 
    213 	reg char	*sp;
    214 	reg int		i;
    215 
    216 	mp->owner = pl;
    217 	mp->num_own = mp->num_in;
    218 	for (i = 0; i < mp->num_in; i++)
    219 		mp->sq[i]->desc->monop = TRUE;
    220 	mp->name = mp->mon_n;
    221 }
    222 /*
    223  *	This routine sets things up as if it is no longer a monopoly
    224  */
    225 isnot_monop(mp)
    226 reg MON	*mp; {
    227 
    228 	reg char	*sp;
    229 	reg int		i;
    230 
    231 	mp->owner = -1;
    232 	for (i = 0; i < mp->num_in; i++)
    233 		mp->sq[i]->desc->monop = FALSE;
    234 	mp->name = mp->not_m;
    235 }
    236 /*
    237  *	This routine gives a list of the current player's routine
    238  */
    239 list() {
    240 
    241 	printhold(player);
    242 }
    243 /*
    244  *	This routine gives a list of a given players holdings
    245  */
    246 list_all() {
    247 
    248 	reg int	pl;
    249 
    250 	while ((pl=getinp("Whose holdings do you want to see? ", name_list)) < num_play)
    251 		printhold(pl);
    252 }
    253 /*
    254  *	This routine gives the players a chance before it exits.
    255  */
    256 void
    257 quit() {
    258 
    259 	putchar('\n');
    260 	if (getyn("Do you all really want to quit? ", yn) == 0)
    261 		exit(0);
    262 	signal(SIGINT, quit);
    263 }
    264 /*
    265  *	This routine copies one structure to another
    266  */
    267 cpy_st(s1, s2, size)
    268 reg int	*s1, *s2, size; {
    269 
    270 	size /= 2;
    271 	while (size--)
    272 		*s1++ = *s2++;
    273 }
    274