386BSD 0.1 development
[unix-history] / usr / othersrc / games / chess / gnuchess.h
CommitLineData
953f5044
WJ
1/*
2 This file contains code for CHESS.
3 Copyright (C) 1986, 1987, 1988 Free Software Foundation, Inc.
4
5 This file is part of CHESS.
6
7 CHESS is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY. No author or distributor
9 accepts responsibility to anyone for the consequences of using it
10 or for whether it serves any particular purpose or works at all,
11 unless he says so in writing. Refer to the CHESS General Public
12 License for full details.
13
14 Everyone is granted permission to copy, modify and redistribute
15 CHESS, but only under the conditions described in the
16 CHESS General Public License. A copy of this license is
17 supposed to have been given to you along with CHESS so you
18 can know your rights and responsibilities. It should be in a
19 file named COPYING. Among other things, the copyright notice
20 and this notice must be preserved on all copies.
21*/
22
23
24/* Header file for GNU CHESS */
25
26#define neutral 2
27#define white 0
28#define black 1
29#define no_piece 0
30#define pawn 1
31#define knight 2
32#define bishop 3
33#define rook 4
34#define queen 5
35#define king 6
36#define pxx " PNBRQK"
37#define qxx " pnbrqk"
38#define rxx "12345678"
39#define cxx "abcdefgh"
40#define check 0x0001
41#define capture 0x0002
42#define draw 0x0004
43#define promote 0x0008
44#define cstlmask 0x0010
45#define epmask 0x0020
46#define exact 0x0040
47#define pwnthrt 0x0080
48#define maxdepth 30
49#define true 1
50#define false 0
51
52struct leaf
53 {
54 short f,t,score,reply;
55 unsigned short flags;
56 };
57struct GameRec
58 {
59 unsigned short gmove;
60 short score,depth,time,piece,color;
61 long nodes;
62 };
63struct TimeControlRec
64 {
65 short moves[2];
66 long clock[2];
67 };
68struct BookEntry
69 {
70 struct BookEntry *next;
71 unsigned short *mv;
72 };
73
74extern char mvstr1[5],mvstr2[5];
75extern struct leaf Tree[2000],*root;
76extern short TrPnt[maxdepth],board[64],color[64];
77extern short row[64],column[64],locn[8][8];
78extern short atak[2][64],PawnCnt[2][8];
79extern short castld[2],kingmoved[2];
80extern short c1,c2,*atk1,*atk2,*PC1,*PC2;
81extern short mate,post,opponent,computer,Sdepth,Awindow,Bwindow,dither;
82extern long ResponseTime,ExtraTime,Level,et,et0,time0,cputimer,ft;
83extern long NodeCnt,evrate,ETnodes,EvalNodes,HashCnt;
84extern short quit,reverse,bothsides,hashflag,InChk,player,force,easy,beep,meter;
85extern short timeout,xwndw;
86extern struct GameRec GameList[240];
87extern short GameCnt,Game50,epsquare,lpost,rcptr,contempt;
88extern short MaxSearchDepth;
89extern struct BookEntry *Book;
90extern struct TimeControlRec TimeControl;
91extern short TCflag,TCmoves,TCminutes,OperatorTime;
92extern short otherside[3];
93extern short Stboard[64];
94extern short Stcolor[64];
95extern unsigned short hint,PrVar[maxdepth];
96
97#define HZ 60