projects / unix-history / blame
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| e0bbfbf9 DF |
1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. | |
| 69fb7db6 KB |
3 | * All rights reserved. |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms are permitted | |
| 65c7d3b6 KB |
6 | * provided that the above copyright notice and this paragraph are |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| e0bbfbf9 DF |
16 | */ |
| 17 | ||
| 18 | #ifndef lint | |
| 65c7d3b6 | 19 | static char sccsid[] = "@(#)check.c 5.3 (Berkeley) %G%"; |
| 69fb7db6 | 20 | #endif /* not lint */ |
| 4980a535 RH |
21 | |
| 22 | #include "back.h" | |
| 23 | ||
| 24 | getmove () { | |
| 25 | register int i, c; | |
| 26 | ||
| 27 | c = 0; | |
| 28 | for (;;) { | |
| 29 | i = checkmove(c); | |
| 30 | ||
| 31 | switch (i) { | |
| 32 | case -1: | |
| 33 | if (movokay(mvlim)) { | |
| 34 | if (tflag) | |
| 35 | curmove (20,0); | |
| 36 | else | |
| 37 | writec ('\n'); | |
| 38 | for (i = 0; i < mvlim; i++) | |
| 39 | if (h[i]) | |
| 40 | wrhit(g[i]); | |
| 41 | nexturn(); | |
| 42 | if (*offopp == 15) | |
| 43 | cturn *= -2; | |
| 44 | if (tflag && pnum) | |
| 45 | bflag = pnum; | |
| 46 | return; | |
| 47 | } | |
| 48 | ||
| 49 | case -4: | |
| 50 | case 0: | |
| 51 | if (tflag) | |
| 52 | refresh(); | |
| 53 | if (i != 0 && i != -4) | |
| 54 | break; | |
| 55 | if (tflag) | |
| 56 | curmove (20,0); | |
| 57 | else | |
| 58 | writec ('\n'); | |
| 59 | writel (*Colorptr); | |
| 60 | if (i == -4) | |
| 61 | writel (" must make "); | |
| 62 | else | |
| 63 | writel (" can only make "); | |
| 64 | writec (mvlim+'0'); | |
| 65 | writel (" move"); | |
| 66 | if (mvlim > 1) | |
| 67 | writec ('s'); | |
| 68 | writec ('.'); | |
| 69 | writec ('\n'); | |
| 70 | break; | |
| 71 | ||
| 72 | case -3: | |
| 73 | if (quit()) | |
| 74 | return; | |
| 75 | } | |
| 76 | ||
| 77 | if (! tflag) | |
| 78 | proll (); | |
| 79 | else { | |
| 80 | curmove (cturn == -1? 18: 19,39); | |
| 81 | cline (); | |
| 82 | c = -1; | |
| 83 | } | |
| 84 | } | |
| 85 | } | |
| 86 | \f | |
| 87 | movokay (mv) | |
| 88 | register int mv; | |
| 89 | ||
| 90 | { | |
| 91 | register int i, m; | |
| 92 | ||
| 93 | if (d0) | |
| 94 | swap; | |
| 95 | ||
| 96 | for (i = 0; i < mv; i++) { | |
| 97 | ||
| 98 | if (p[i] == g[i]) { | |
| 99 | moverr (i); | |
| 100 | curmove (20,0); | |
| 101 | writel ("Attempt to move to same location.\n"); | |
| 102 | return (0); | |
| 103 | } | |
| 104 | ||
| 105 | if (cturn*(g[i]-p[i]) < 0) { | |
| 106 | moverr (i); | |
| 107 | curmove (20,0); | |
| 108 | writel ("Backwards move.\n"); | |
| 109 | return (0); | |
| 110 | } | |
| 111 | ||
| 112 | if (abs(board[bar]) && p[i] != bar) { | |
| 113 | moverr (i); | |
| 114 | curmove (20,0); | |
| 115 | writel ("Men still on bar.\n"); | |
| 116 | return (0); | |
| 117 | } | |
| 118 | ||
| 119 | if ( (m = makmove(i)) ) { | |
| 120 | moverr (i); | |
| 121 | switch (m) { | |
| 122 | ||
| 123 | case 1: | |
| 124 | writel ("Move not rolled.\n"); | |
| 125 | break; | |
| 126 | ||
| 127 | case 2: | |
| 128 | writel ("Bad starting position.\n"); | |
| 129 | break; | |
| 130 | ||
| 131 | case 3: | |
| 132 | writel ("Destination occupied.\n"); | |
| 133 | break; | |
| 134 | ||
| 135 | case 4: | |
| 136 | writel ("Can't remove men yet.\n"); | |
| 137 | } | |
| 138 | return (0); | |
| 139 | } | |
| 140 | } | |
| 141 | return (1); | |
| 142 | } |