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table.c revision 1.2 
      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, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 /*static char sccsid[] = "from: @(#)table.c	5.4 (Berkeley) 6/1/90";*/
     36 static char rcsid[] = "$Id: table.c,v 1.2 1993/08/01 18:56:35 mycroft Exp $";
     37 #endif /* not lint */
     38 
     39 #include "back.h"
     40 
     41 char	*help2[] = {
     42 	"   Enter moves as <s>-<f> or <s>/<r> where <s> is the starting",
     43 	"position, <f> is the finishing position, and <r> is the roll.",
     44 	"Remember, each die roll must be moved separately.",
     45 	0
     46 };
     47 
     48 struct state	{
     49 	char	ch;
     50 	int	fcode;
     51 	int	newst;
     52 };
     53 
     54 struct state	atmata[] = {
     55 
     56 	'R', 1, 0,	'?', 7, 0,	'Q', 0, -3,	'B', 8, 25,
     57 	'9', 2, 25,	'8', 2, 25,	'7', 2, 25,	'6', 2, 25,
     58 	'5', 2, 25,	'4', 2, 25,	'3', 2, 25,	'2', 2, 19,
     59 	'1', 2, 15,	'0', 2, 25,	'.', 0, 0,	'9', 2, 25,
     60 	'8', 2, 25,	'7', 2, 25,	'6', 2, 25,	'5', 2, 25,
     61 
     62 	'4', 2, 25,	'3', 2, 25,	'2', 2, 25,	'1', 2, 25,
     63 	'0', 2, 25,	'/', 0, 32,	'-', 0, 39,	'.', 0, 0,
     64 	'/', 5, 32,	' ', 6, 3,	',', 6, 3,	'\n', 0, -1,
     65 	'6', 3, 28,	'5', 3, 28,	'4', 3, 28,	'3', 3, 28,
     66 	'2', 3, 28,	'1', 3, 28,	'.', 0, 0,	'H', 9, 61,
     67 
     68 	'9', 4, 61,	'8', 4, 61,	'7', 4, 61,	'6', 4, 61,
     69 	'5', 4, 61,	'4', 4, 61,	'3', 4, 61,	'2', 4, 53,
     70 	'1', 4, 51,	'0', 4, 61,	'.', 0, 0,	'9', 4, 61,
     71 	'8', 4, 61,	'7', 4, 61,	'6', 4, 61,	'5', 4, 61,
     72 	'4', 4, 61,	'3', 4, 61,	'2', 4, 61,	'1', 4, 61,
     73 
     74 	'0', 4, 61,	' ', 6, 3,	',', 6, 3,	'-', 5, 39,
     75 	'\n', 0, -1,	'.', 0, 0
     76 };
     77 
     78 checkmove (ist)
     79 
     80 int	ist;
     81 
     82 {
     83 	register int	j, n;
     84 	register char	c;
     85 	char		a;
     86 
     87 domove:
     88 	if (ist == 0)  {
     89 		if (tflag)
     90 			curmove (curr,32);
     91 		else
     92 			writel ("\t\t");
     93 		writel ("Move:  ");
     94 	}
     95 	ist = mvl = ncin = 0;
     96 	for (j = 0; j < 5; j++)
     97 		p[j] = g[j] = -1;
     98 
     99 dochar:
    100 	c = readc();
    101 
    102 	if (c == 'S')  {
    103 		raflag = 0;
    104 		save (1);
    105 		if (tflag)  {
    106 			curmove (cturn == -1? 18: 19,39);
    107 			ist = -1;
    108 			goto domove;
    109 		} else  {
    110 			proll ();
    111 			ist = 0;
    112 			goto domove;
    113 		}
    114 	}
    115 
    116 	if (c == tty.sg_erase && ncin > 0)  {
    117 		if (tflag)
    118 			curmove (curr,curc-1);
    119 		else  {
    120 			if (tty.sg_erase == '\010')
    121 				writel ("\010 \010");
    122 			else
    123 				writec (cin[ncin-1]);
    124 		}
    125 		ncin--;
    126 		n = rsetbrd();
    127 		if (n == 0)  {
    128 			n = -1;
    129 			if (tflag)
    130 				refresh();
    131 		}
    132 		if ((ist = n) > 0)
    133 			goto dochar;
    134 		goto domove;
    135 	}
    136 
    137 	if (c == tty.sg_kill && ncin > 0)  {
    138 		if (tflag)  {
    139 			refresh();
    140 			curmove (curr,39);
    141 			ist = -1;
    142 			goto domove;
    143 		} else  if (tty.sg_erase == '\010')  {
    144 			for (j = 0; j < ncin; j++)
    145 				writel ("\010 \010");
    146 			ist = -1;
    147 			goto domove;
    148 		} else  {
    149 			writec ('\\');
    150 			writec ('\n');
    151 			proll ();
    152 			ist = 0;
    153 			goto domove;
    154 		}
    155 	}
    156 
    157 	n = dotable(c,ist);
    158 	if (n >= 0)  {
    159 		cin[ncin++] = c;
    160 		if (n > 2)
    161 		if ((! tflag) || c != '\n')
    162 			writec (c);
    163 		ist = n;
    164 		if (n)
    165 			goto dochar;
    166 		else
    167 			goto domove;
    168 	}
    169 
    170 	if (n == -1 && mvl >= mvlim)
    171 		return(0);
    172 	if (n == -1 && mvl < mvlim-1)
    173 		return(-4);
    174 
    175 	if (n == -6)  {
    176 		if (! tflag)  {
    177 			if (movokay(mvl+1))  {
    178 				wrboard();
    179 				movback (mvl+1);
    180 			}
    181 			proll ();
    182 			writel ("\t\tMove:  ");
    183 			for (j = 0; j < ncin;)
    184 				writec (cin[j++]);
    185 		} else  {
    186 			if (movokay(mvl+1))  {
    187 				refresh();
    188 				movback (mvl+1);
    189 			} else
    190 				curmove (cturn == -1? 18:19,ncin+39);
    191 		}
    192 		ist = n = rsetbrd();
    193 		goto dochar;
    194 	}
    195 
    196 	if (n != -5)
    197 		return(n);
    198 	writec ('\007');
    199 	goto dochar;
    200 }
    201 
    202 dotable (c,i)
    204 char		c;
    205 register int	i;
    206 
    207 {
    208 	register int	a, j;
    209 	int		test;
    210 
    211 	test = (c == 'R');
    212 
    213 	while ( (a = atmata[i].ch) != '.')  {
    214 		if (a == c || (test && a == '\n'))  {
    215 			switch  (atmata[i].fcode)  {
    216 
    217 			case 1:
    218 				wrboard();
    219 				if (tflag)  {
    220 					curmove (cturn == -1? 18: 19,0);
    221 					proll ();
    222 					writel ("\t\t");
    223 				} else
    224 					proll ();
    225 				break;
    226 
    227 			case 2:
    228 				if (p[mvl] == -1)
    229 					p[mvl] = c-'0';
    230 				else
    231 					p[mvl] = p[mvl]*10+c-'0';
    232 				break;
    233 
    234 			case 3:
    235 				if (g[mvl] != -1)  {
    236 					if (mvl < mvlim)
    237 						mvl++;
    238 					p[mvl] = p[mvl-1];
    239 				}
    240 				g[mvl] = p[mvl]+cturn*(c-'0');
    241 				if (g[mvl] < 0)
    242 					g[mvl] = 0;
    243 				if (g[mvl] > 25)
    244 					g[mvl] = 25;
    245 				break;
    246 
    247 			case 4:
    248 				if (g[mvl] == -1)
    249 					g[mvl] = c-'0';
    250 				else
    251 					g[mvl] = g[mvl]*10+c-'0';
    252 				break;
    253 
    254 			case 5:
    255 				if (mvl < mvlim)
    256 					mvl++;
    257 				p[mvl] = g[mvl-1];
    258 				break;
    259 
    260 			case 6:
    261 				if (mvl < mvlim)
    262 					mvl++;
    263 				break;
    264 
    265 			case 7:
    266 				if (tflag)
    267 					curmove (20,0);
    268 				else
    269 					writec ('\n');
    270 				text (help2);
    271 				if (tflag)  {
    272 					curmove (cturn == -1? 18: 19,39);
    273 				} else  {
    274 					writec ('\n');
    275 					proll();
    276 					writel ("\t\tMove:  ");
    277 				}
    278 				break;
    279 
    280 			case 8:
    281 				p[mvl] = bar;
    282 				break;
    283 
    284 			case 9:
    285 				g[mvl] = home;
    286 			}
    287 
    288 			if (! test || a != '\n')
    289 				return (atmata[i].newst);
    290 			else
    291 				return (-6);
    292 		}
    293 
    294 		i++;
    295 	}
    296 
    297 	return (-5);
    298 }
    299 
    300 rsetbrd ()  {
    302 	register int	i, j, n;
    303 
    304 	n = 0;
    305 	mvl = 0;
    306 	for (i = 0; i < 4; i++)
    307 		p[i] = g[i] = -1;
    308 	for (j = 0; j < ncin; j++)
    309 		n = dotable (cin[j],n);
    310 	return (n);
    311 }
    312