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1.1 root 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 are permitted
6: * provided that: (1) source distributions retain this entire copyright
7: * notice and comment, and (2) distributions including binaries display
8: * the following acknowledgement: ``This product includes software
9: * developed by the University of California, Berkeley and its contributors''
10: * in the documentation or other materials provided with the distribution
11: * and in all advertising materials mentioning features or use of this
12: * software. Neither the name of the University nor the names of its
13: * contributors may be used to endorse or promote products derived
14: * from this software without specific prior written permission.
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18: */
19:
20: #ifndef lint
21: static char sccsid[] = "@(#)check.c 5.4 (Berkeley) 6/1/90";
22: #endif /* not lint */
23:
24: #include "back.h"
25:
26: getmove () {
27: register int i, c;
28:
29: c = 0;
30: for (;;) {
31: i = checkmove(c);
32:
33: switch (i) {
34: case -1:
35: if (movokay(mvlim)) {
36: if (tflag)
37: curmove (20,0);
38: else
39: writec ('\n');
40: for (i = 0; i < mvlim; i++)
41: if (h[i])
42: wrhit(g[i]);
43: nexturn();
44: if (*offopp == 15)
45: cturn *= -2;
46: if (tflag && pnum)
47: bflag = pnum;
48: return;
49: }
50:
51: case -4:
52: case 0:
53: if (tflag)
54: refresh();
55: if (i != 0 && i != -4)
56: break;
57: if (tflag)
58: curmove (20,0);
59: else
60: writec ('\n');
61: writel (*Colorptr);
62: if (i == -4)
63: writel (" must make ");
64: else
65: writel (" can only make ");
66: writec (mvlim+'0');
67: writel (" move");
68: if (mvlim > 1)
69: writec ('s');
70: writec ('.');
71: writec ('\n');
72: break;
73:
74: case -3:
75: if (quit())
76: return;
77: }
78:
79: if (! tflag)
80: proll ();
81: else {
82: curmove (cturn == -1? 18: 19,39);
83: cline ();
84: c = -1;
85: }
86: }
87: }
88:
89: movokay (mv)
90: register int mv;
91:
92: {
93: register int i, m;
94:
95: if (d0)
96: swap;
97:
98: for (i = 0; i < mv; i++) {
99:
100: if (p[i] == g[i]) {
101: moverr (i);
102: curmove (20,0);
103: writel ("Attempt to move to same location.\n");
104: return (0);
105: }
106:
107: if (cturn*(g[i]-p[i]) < 0) {
108: moverr (i);
109: curmove (20,0);
110: writel ("Backwards move.\n");
111: return (0);
112: }
113:
114: if (abs(board[bar]) && p[i] != bar) {
115: moverr (i);
116: curmove (20,0);
117: writel ("Men still on bar.\n");
118: return (0);
119: }
120:
121: if ( (m = makmove(i)) ) {
122: moverr (i);
123: switch (m) {
124:
125: case 1:
126: writel ("Move not rolled.\n");
127: break;
128:
129: case 2:
130: writel ("Bad starting position.\n");
131: break;
132:
133: case 3:
134: writel ("Destination occupied.\n");
135: break;
136:
137: case 4:
138: writel ("Can't remove men yet.\n");
139: }
140: return (0);
141: }
142: }
143: return (1);
144: }
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