159 lines
3.6 KiB
C
159 lines
3.6 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[] = "@(#)check.c 8.1 (Berkeley) 5/31/93";
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#endif /* not lint */
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#include "back.h"
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getmove () {
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register int i, c;
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c = 0;
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for (;;) {
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i = checkmove(c);
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switch (i) {
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case -1:
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if (movokay(mvlim)) {
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if (tflag)
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curmove (20,0);
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else
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writec ('\n');
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for (i = 0; i < mvlim; i++)
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if (h[i])
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wrhit(g[i]);
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nexturn();
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if (*offopp == 15)
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cturn *= -2;
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if (tflag && pnum)
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bflag = pnum;
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return;
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}
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case -4:
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case 0:
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if (tflag)
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refresh();
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if (i != 0 && i != -4)
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break;
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if (tflag)
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curmove (20,0);
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else
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writec ('\n');
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writel (*Colorptr);
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if (i == -4)
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writel (" must make ");
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else
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writel (" can only make ");
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writec (mvlim+'0');
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writel (" move");
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if (mvlim > 1)
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writec ('s');
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writec ('.');
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writec ('\n');
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break;
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case -3:
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if (quit())
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return;
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}
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if (! tflag)
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proll ();
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else {
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curmove (cturn == -1? 18: 19,39);
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cline ();
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c = -1;
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}
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}
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}
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movokay (mv)
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register int mv;
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{
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register int i, m;
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if (d0)
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swap;
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for (i = 0; i < mv; i++) {
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if (p[i] == g[i]) {
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moverr (i);
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curmove (20,0);
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writel ("Attempt to move to same location.\n");
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return (0);
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}
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if (cturn*(g[i]-p[i]) < 0) {
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moverr (i);
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curmove (20,0);
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writel ("Backwards move.\n");
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return (0);
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}
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if (abs(board[bar]) && p[i] != bar) {
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moverr (i);
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curmove (20,0);
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writel ("Men still on bar.\n");
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return (0);
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}
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if ( (m = makmove(i)) ) {
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moverr (i);
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switch (m) {
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case 1:
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writel ("Move not rolled.\n");
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break;
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case 2:
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writel ("Bad starting position.\n");
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break;
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case 3:
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writel ("Destination occupied.\n");
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break;
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case 4:
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writel ("Can't remove men yet.\n");
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}
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return (0);
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}
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}
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return (1);
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}
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