1 /* $OpenBSD: check.c,v 1.5 2003/06/03 03:01:38 millert Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef lint 33 #if 0 34 static char sccsid[] = "@(#)check.c 8.1 (Berkeley) 5/31/93"; 35 #else 36 static char rcsid[] = "$OpenBSD: check.c,v 1.5 2003/06/03 03:01:38 millert Exp $"; 37 #endif 38 #endif /* not lint */ 39 40 #include "back.h" 41 42 void 43 getmove() 44 { 45 int i, c; 46 47 c = 0; 48 for (;;) { 49 i = checkmove(c); 50 51 switch (i) { 52 case -1: 53 if (movokay(mvlim)) { 54 move(20, 0); 55 for (i = 0; i < mvlim; i++) 56 if (h[i]) 57 wrhit(g[i]); 58 nexturn(); 59 if (*offopp == 15) 60 cturn *= -2; 61 return; 62 } 63 case -4: 64 case 0: 65 refresh(); 66 if (i != 0 && i != -4) 67 break; 68 mvaddstr(20, 0, *Colorptr); 69 if (i == -4) 70 addstr(" must make "); 71 else 72 addstr(" can only make "); 73 printw("%d move%s.\n", mvlim, mvlim > 1 ? "s":""); 74 break; 75 76 case -3: 77 if (quit()) 78 return; 79 } 80 81 move(cturn == -1 ? 18 : 19, 39); 82 clrtoeol(); 83 c = -1; 84 } 85 } 86 87 int 88 movokay(mv) 89 int mv; 90 { 91 int i, m; 92 93 if (d0) 94 swap; 95 96 for (i = 0; i < mv; i++) { 97 if (p[i] == g[i]) { 98 moverr(i); 99 mvaddstr(20, 0, "Attempt to move to same location.\n"); 100 return(0); 101 } 102 if (cturn * (g[i] - p[i]) < 0) { 103 moverr(i); 104 mvaddstr(20, 0, "Backwards move.\n"); 105 return(0); 106 } 107 if (abs(board[bar]) && p[i] != bar) { 108 moverr(i); 109 mvaddstr(20, 0, "Men still on bar.\n"); 110 return(0); 111 } 112 if ((m = makmove(i))) { 113 moverr(i); 114 switch (m) { 115 case 1: 116 addstr("Move not rolled.\n"); 117 break; 118 119 case 2: 120 addstr("Bad starting position.\n"); 121 break; 122 123 case 3: 124 addstr("Destination occupied.\n"); 125 break; 126 127 case 4: 128 addstr("Can't remove men yet.\n"); 129 } 130 return(0); 131 } 132 } 133 return(1); 134 } 135