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554eb505f8
of the x11 based games. I'm not going to tag the originals with bsd_44_lite and do this in two stages since it's just not worth it for this collection, and I've got directory renames to deal with that way. Bleah. Submitted by: jkh
368 lines
10 KiB
C
368 lines
10 KiB
C
/*-
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)score.c 8.1 (Berkeley) 5/31/93";
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#endif /* not lint */
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#include <curses.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "deck.h"
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#include "cribbage.h"
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/*
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* the following arrays give the sum of the scores of the (50 2)*48 = 58800
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* hands obtainable for the crib given the two cards whose ranks index the
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* array. the two arrays are for the case where the suits are equal and
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* not equal respectively
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*/
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long crbescr[169] = {
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-10000, 271827, 278883, 332319, 347769, 261129, 250653, 253203, 248259,
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243435, 256275, 237435, 231051, -10000, -10000, 412815, 295707, 349497,
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267519, 262521, 259695, 254019, 250047, 262887, 244047, 237663, -10000,
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-10000, -10000, 333987, 388629, 262017, 266787, 262971, 252729, 254475,
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267315, 248475, 242091, -10000, -10000, -10000, -10000, 422097, 302787,
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256437, 263751, 257883, 254271, 267111, 248271, 241887, -10000, -10000,
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-10000, -10000, -10000, 427677, 387837, 349173, 347985, 423861, 436701,
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417861, 411477, -10000, -10000, -10000, -10000, -10000, -10000, 336387,
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298851, 338667, 236487, 249327, 230487, 224103, -10000, -10000, -10000,
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-10000, -10000, -10000, -10000, 408483, 266691, 229803, 246195, 227355,
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220971, -10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000,
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300675, 263787, 241695, 226407, 220023, -10000, -10000, -10000, -10000,
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-10000, -10000, -10000, -10000, -10000, 295635, 273543, 219771, 216939,
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-10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000,
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-10000, 306519, 252747, 211431, -10000, -10000, -10000, -10000, -10000,
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-10000, -10000, -10000, -10000, -10000, -10000, 304287, 262971, -10000,
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-10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000,
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-10000, -10000, 244131, -10000, -10000, -10000, -10000, -10000, -10000,
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-10000, -10000, -10000, -10000, -10000, -10000, -10000
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};
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long crbnescr[169] = {
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325272, 260772, 267828, 321264, 336714, 250074, 239598, 242148, 237204,
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232380, 246348, 226380, 219996, -10000, 342528, 401760, 284652, 338442,
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256464, 251466, 248640, 242964, 238992, 252960, 232992, 226608, -10000,
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-10000, 362280, 322932, 377574, 250962, 255732, 251916, 241674, 243420,
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257388, 237420, 231036, -10000, -10000, -10000, 360768, 411042, 291732,
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245382, 252696, 246828, 243216, 257184, 237216, 230832, -10000, -10000,
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-10000, -10000, 528768, 416622, 376782, 338118, 336930, 412806, 426774,
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406806, 400422, -10000, -10000, -10000, -10000, -10000, 369864, 325332,
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287796, 327612, 225432, 239400, 219432, 213048, -10000, -10000, -10000,
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-10000, -10000, -10000, 359160, 397428, 255636, 218748, 236268, 216300,
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209916, -10000, -10000, -10000, -10000, -10000, -10000, -10000, 331320,
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289620, 252732, 231768, 215352, 208968, -10000, -10000, -10000, -10000,
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-10000, -10000, -10000, -10000, 325152, 284580, 263616, 208716, 205884,
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-10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000,
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321240, 296592, 241692, 200376, -10000, -10000, -10000, -10000, -10000,
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-10000, -10000, -10000, -10000, -10000, 348600, 294360, 253044, -10000,
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-10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000, -10000,
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-10000, 308664, 233076, -10000, -10000, -10000, -10000, -10000, -10000,
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-10000, -10000, -10000, -10000, -10000, -10000, 295896
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};
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static int ichoose2[5] = { 0, 0, 2, 6, 12 };
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static int pairpoints, runpoints; /* Globals from pairuns. */
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/*
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* scorehand:
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* Score the given hand of n cards and the starter card.
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* n must be <= 4
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*/
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int
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scorehand(hand, starter, n, crb, do_explain)
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register CARD hand[];
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CARD starter;
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int n;
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BOOLEAN crb; /* true if scoring crib */
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BOOLEAN do_explain; /* true if must explain this hand */
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{
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register int i, k;
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register int score;
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register BOOLEAN flag;
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CARD h[(CINHAND + 1)];
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char buf[32];
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expl[0] = NULL; /* initialize explanation */
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score = 0;
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flag = TRUE;
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k = hand[0].suit;
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for (i = 0; i < n; i++) { /* check for flush */
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flag = (flag && (hand[i].suit == k));
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if (hand[i].rank == JACK) /* check for his nibs */
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if (hand[i].suit == starter.suit) {
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score++;
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if (do_explain)
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strcat(expl, "His Nobs");
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}
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h[i] = hand[i];
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}
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if (flag && n >= CINHAND) {
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if (do_explain && expl[0] != NULL)
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strcat(expl, ", ");
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if (starter.suit == k) {
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score += 5;
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if (do_explain)
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strcat(expl, "Five-flush");
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} else
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if (!crb) {
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score += 4;
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if (do_explain && expl[0] != NULL)
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strcat(expl, ", Four-flush");
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else
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strcpy(expl, "Four-flush");
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}
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}
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if (do_explain && expl[0] != NULL)
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strcat(expl, ", ");
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h[n] = starter;
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sorthand(h, n + 1); /* sort by rank */
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i = 2 * fifteens(h, n + 1);
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score += i;
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if (do_explain)
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if (i > 0) {
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(void) sprintf(buf, "%d points in fifteens", i);
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strcat(expl, buf);
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} else
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strcat(expl, "No fifteens");
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i = pairuns(h, n + 1);
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score += i;
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if (do_explain)
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if (i > 0) {
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(void) sprintf(buf, ", %d points in pairs, %d in runs",
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pairpoints, runpoints);
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strcat(expl, buf);
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} else
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strcat(expl, ", No pairs/runs");
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return (score);
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}
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/*
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* fifteens:
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* Return number of fifteens in hand of n cards
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*/
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int
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fifteens(hand, n)
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register CARD hand[];
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int n;
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{
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register int *sp, *np;
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register int i;
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register CARD *endp;
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static int sums[15], nsums[15];
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np = nsums;
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sp = sums;
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i = 16;
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while (--i) {
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*np++ = 0;
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*sp++ = 0;
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}
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for (endp = &hand[n]; hand < endp; hand++) {
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i = hand->rank + 1;
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if (i > 10)
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i = 10;
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np = &nsums[i];
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np[-1]++; /* one way to make this */
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sp = sums;
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while (i < 15) {
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*np++ += *sp++;
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i++;
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}
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sp = sums;
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np = nsums;
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i = 16;
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while (--i)
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*sp++ = *np++;
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}
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return sums[14];
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}
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/*
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* pairuns returns the number of points in the n card sorted hand
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* due to pairs and runs
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* this routine only works if n is strictly less than 6
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* sets the globals pairpoints and runpoints appropriately
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*/
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int
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pairuns(h, n)
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CARD h[];
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int n;
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{
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register int i;
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int runlength, runmult, lastmult, curmult;
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int mult1, mult2, pair1, pair2;
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BOOLEAN run;
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run = TRUE;
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runlength = 1;
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mult1 = 1;
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pair1 = -1;
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mult2 = 1;
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pair2 = -1;
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curmult = runmult = 1;
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for (i = 1; i < n; i++) {
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lastmult = curmult;
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if (h[i].rank == h[i - 1].rank) {
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if (pair1 < 0) {
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pair1 = h[i].rank;
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mult1 = curmult = 2;
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} else {
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if (h[i].rank == pair1) {
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curmult = ++mult1;
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} else {
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if (pair2 < 0) {
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pair2 = h[i].rank;
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mult2 = curmult = 2;
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} else {
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curmult = ++mult2;
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}
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}
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}
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if (i == (n - 1) && run) {
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runmult *= curmult;
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}
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} else {
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curmult = 1;
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if (h[i].rank == h[i - 1].rank + 1) {
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if (run) {
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++runlength;
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} else {
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/* only if old short */
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if (runlength < 3) {
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run = TRUE;
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runlength = 2;
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runmult = 1;
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}
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}
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runmult *= lastmult;
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} else {
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/* if just ended */
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if (run)
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runmult *= lastmult;
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run = FALSE;
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}
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}
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}
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pairpoints = ichoose2[mult1] + ichoose2[mult2];
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runpoints = (runlength >= 3 ? runlength * runmult : 0);
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return (pairpoints + runpoints);
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}
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/*
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* pegscore tells how many points crd would get if played after
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* the n cards in tbl during pegging
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*/
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int
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pegscore(crd, tbl, n, sum)
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CARD crd, tbl[];
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int n, sum;
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{
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BOOLEAN got[RANKS];
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register int i, j, scr;
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int k, lo, hi;
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sum += VAL(crd.rank);
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if (sum > 31)
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return (-1);
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if (sum == 31 || sum == 15)
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scr = 2;
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else
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scr = 0;
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if (!n)
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return (scr);
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j = 1;
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while ((crd.rank == tbl[n - j].rank) && (n - j >= 0))
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++j;
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if (j > 1)
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return (scr + ichoose2[j]);
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if (n < 2)
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return (scr);
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lo = hi = crd.rank;
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for (i = 0; i < RANKS; i++)
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got[i] = FALSE;
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got[crd.rank] = TRUE;
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k = -1;
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for (i = n - 1; i >= 0; --i) {
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if (got[tbl[i].rank])
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break;
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got[tbl[i].rank] = TRUE;
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if (tbl[i].rank < lo)
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lo = tbl[i].rank;
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if (tbl[i].rank > hi)
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hi = tbl[i].rank;
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for (j = lo; j <= hi; j++)
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if (!got[j])
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break;
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if (j > hi)
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k = hi - lo + 1;
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}
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if (k >= 3)
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return (scr + k);
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else
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return (scr);
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}
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/*
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* adjust takes a two card hand that will be put in the crib
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* and returns an adjusted normalized score for the number of
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* points such a crib will get.
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*/
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int
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adjust(cb, tnv)
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CARD cb[], tnv;
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{
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long scr;
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int i, c0, c1;
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c0 = cb[0].rank;
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c1 = cb[1].rank;
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if (c0 > c1) {
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i = c0;
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c0 = c1;
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c1 = i;
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}
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if (cb[0].suit != cb[1].suit)
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scr = crbnescr[RANKS * c0 + c1];
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else
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scr = crbescr[RANKS * c0 + c1];
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if (scr <= 0) {
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printf("\nADJUST: internal error %d %d\n", c0, c1);
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exit(93);
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}
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return ((scr + 29400) / 58800);
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}
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