4 * ----------------------------------------------------------------------
5 * Copyright (c) 1993, 1994, 1995 Matthias Mutz
6 * Copyright (c) 1999 Michael Vanier and the Free Software Foundation
7 * Copyright (c) 2008, 2013, 2014 Yann Dirson and the Free Software Foundation
9 * GNU SHOGI is based on GNU CHESS
11 * Copyright (c) 1988, 1989, 1990 John Stanback
12 * Copyright (c) 1992 Free Software Foundation
14 * This file is part of GNU SHOGI.
16 * GNU Shogi is free software; you can redistribute it and/or modify it
17 * under the terms of the GNU General Public License as published by the
18 * Free Software Foundation; either version 3 of the License,
19 * or (at your option) any later version.
21 * GNU Shogi is distributed in the hope that it will be useful, but WITHOUT
22 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
23 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
26 * You should have received a copy of the GNU General Public License along
27 * with GNU Shogi; see the file COPYING. If not, see
28 * <http://www.gnu.org/licenses/>.
29 * ----------------------------------------------------------------------
37 #include <sys/param.h>
38 #include <sys/types.h>
47 /****************************************
48 * forward declarations
49 ****************************************/
51 static void Raw_UpdateDisplay(short f
, short t
, short redraw
, short isspec
);
53 /****************************************
54 * Trivial output functions.
55 ****************************************/
69 fputs("\nYour move is? ", stdout
);
74 Raw_ShowCurrentMove(short pnt
, short f
, short t
)
80 Raw_ShowDepth(char ch
)
83 printf("Depth= %d%c \n", Sdepth
, ch
);
88 Raw_ShowGameType(void)
91 printf("%c vs. %c\n", GameType
[black
], GameType
[white
]);
96 Raw_ShowLine(unsigned short *bstline
)
100 for (i
= 1; bstline
[i
] > 0; i
++)
102 if ((i
> 1) && (i
% 8 == 1))
105 algbr((short)(bstline
[i
] >> 8), (short)(bstline
[i
] & 0xFF), false);
106 printf("%5s ", mvstr
[0]);
114 Raw_ShowMessage(char *s
)
122 Raw_AlwaysShowMessage(const char *format
, ...)
125 va_start(ap
, format
);
133 Raw_Printf(const char *format
, ...)
136 va_start(ap
, format
);
143 Raw_doRequestInputString(const char* fmt
, char* buffer
)
150 Raw_GetString(char* sx
)
156 while(!eof
&& !sx
[0])
157 eof
= (fgets(sx
, 80, stdin
) == NULL
);
159 /* remove any trailing newline */
160 nl
= strchr(sx
, '\n');
169 Raw_ShowNodeCnt(long NodeCnt
)
171 printf("Nodes = %ld Nodes/sec = %ld\n",
172 NodeCnt
, (((et
) ? ((NodeCnt
* 100) / et
) : 0)));
177 Raw_ShowPatternCount(short side
, short n
)
180 printf("%s%s matches %d pattern(s)\n", xboard
? "# " : "" , ColorStr
[side
], n
);
185 Raw_ShowResponseTime(void)
191 Raw_ShowResults(short score
, unsigned short *bstline
, char ch
)
193 if (flag
.post
&& !XSHOGI
)
196 printf("%2d%c %6d %4ld %8ld ",
197 Sdepth
, ch
, score
, et
/ 100, NodeCnt
);
198 Raw_ShowLine(bstline
);
204 Raw_ShowSidetoMove(void)
212 printf("stage = %d\n", stage
);
213 printf("balance[black] = %d balance[white] = %d\n",
214 balance
[black
], balance
[white
]);
217 /****************************************
218 * End of trivial output routines.
219 ****************************************/
229 /* needed because of inconsistency between MSVC run-time system and gcc includes */
230 setbuf(stdout
, NULL
);
233 setvbuf(stdout
, NULL
, _IOLBF
, BUFSIZ
);
235 # ifdef HAVE_SETLINEBUF
238 # error "Need setvbuf() or setlinebuf() to compile gnushogi!"
242 printf("GNU Shogi %s\n", PACKAGE_VERSION
);
247 if (!TCflag
&& (MaxResponseTime
== 0))
248 MaxResponseTime
= 15L * 100L;
256 /* CHECKME: what purpose does this next statement serve? */
257 signal(SIGTERM
, SIG_IGN
);
267 Raw_TerminateSearch(int sig
)
269 #ifdef INTERRUPT_TEST
270 ElapsedTime(INIT_INTERRUPT_MODE
);
274 flag
.back
= true; /* previous: flag.timeout = true; */
276 flag
.bothsides
= false;
284 printf("GNU Shogi %s command summary\n", PACKAGE_VERSION
);
285 printf("----------------------------------------------------------------\n");
286 printf("7g7f move from 7g to 7f quit Exit Shogi\n");
287 printf("S6h move silver to 6h beep turn %s\n",
288 (flag
.beep
) ? "OFF" : "ON");
289 printf("2d2c+ move to 2c and promote material turn %s\n",
290 (flag
.material
) ? "OFF" : "ON");
291 printf("P*5e drop pawn to 5e easy turn %s\n",
292 (flag
.easy
) ? "OFF" : "ON");
293 printf("tsume toggle tsume mode hash turn %s\n",
294 (flag
.hash
) ? "OFF" : "ON");
295 printf("bd redraw board reverse board display\n");
296 printf("list game to shogi.lst book turn %s used %d of %d\n",
297 (Book
) ? "OFF" : "ON", bookcount
, booksize
);
298 printf("undo undo last ply remove take back a move\n");
299 printf("edit edit board force toggle manual move mode\n");
300 printf("switch sides with computer both computer match\n");
301 printf("black computer plays black white computer plays white\n");
302 printf("sd set search depth clock set time control\n");
303 printf("post principle variation hint suggest a move\n");
304 printf("save game to file get game from file\n");
305 printf("xsave pos. to xshogi file xget pos. from xshogi file\n");
306 printf("random randomize play new start new game\n");
307 printf("setup first \n");
308 printf("go computer plays now material turn %s\n",
309 flag
.material
? "OFF" : "ON");
310 printf("level time control gamein \n");
311 printf("time set engine clock otime set opponent clock\n");
312 printf("Awindow Bwindow \n");
313 printf("rcptr turn %3s bsave book save\n",
314 flag
.rcptr
? "OFF" : "ON ");
315 printf("hashdepth hard turn easy OFF\n");
316 printf("contempt xwndw \n");
317 printf("rv turn %3s coords turn %s\n",
318 flag
.rv
? "OFF" : "ON ", flag
.coords
? "OFF" : "ON");
319 printf("stars turn %3s moves \n",
320 flag
.stars
? "OFF" : "ON ");
322 printf("debug depth alias for 'sd'\n");
323 printf("----------------------------------------------------------------\n");
324 printf("Computer: %-12s Opponent: %s\n",
325 ColorStr
[computer
], ColorStr
[opponent
]);
326 printf("Depth: %-12d Response time: %ld sec\n",
327 MaxSearchDepth
, MaxResponseTime
/100);
328 printf("Random: %-12s Easy mode: %s\n",
329 (dither
) ? "ON" : "OFF", (flag
.easy
) ? "ON" : "OFF");
330 printf("Beep: %-12s Transposition file: %s\n",
331 (flag
.beep
) ? "ON" : "OFF", (flag
.hash
) ? "ON" : "OFF");
332 printf("Tsume: %-12s Force: %s\n",
333 (flag
.tsume
) ? "ON" : "OFF", (flag
.force
) ? "ON" : "OFF");
334 printf("Time Control %s %d moves %ld sec %d add %d depth\n",
335 (TCflag
) ? "ON" : "OFF",
336 TimeControl
.moves
[black
], TimeControl
.clock
[black
] / 100,
337 TCadd
/100, MaxSearchDepth
);
342 * Set up a board position. Pieces are entered by typing the piece followed
343 * by the location. For example, Nf3 will place a knight on square f3.
348 short a
, r
, c
, sq
, i
, found
;
351 flag
.regularstart
= true;
354 Raw_UpdateDisplay(0, 0, 1, 0);
355 printf(". Exit to main\n");
356 printf("# Clear board\n");
357 printf("c Change sides\n");
358 printf("enter piece & location:\n");
372 for (sq
= 0; sq
< NO_SQUARES
; sq
++)
374 board
[sq
] = no_piece
;
389 for (i
= pawn
; i
<= king
; i
++)
391 if ((s
[0] == pxx
[i
]) || (s
[0] == qxx
[i
]))
399 printf("# Invalid piece type '%c'\n", s
[0]);
406 if ((c
< 0) || (c
>= NO_COLS
) || (r
< 0) || (r
>= NO_ROWS
)) {
407 printf("# Out-of-board position '%c%c'\n", s
[1], s
[2]);
413 for (i
= no_piece
; i
<= king
; i
++)
415 if ((s
[0] == pxx
[i
]) || (s
[0] == qxx
[i
]))
419 board
[sq
] = promoted
[i
];
429 printf("# Invalid piece type '%c'\n", s
[0]);
432 for (sq
= 0; sq
< NO_SQUARES
; sq
++)
433 Mvboard
[sq
] = ((board
[sq
] != Stboard
[sq
]) ? 10 : 0);
441 Raw_UpdateDisplay(0, 0, 1, 0);
446 * Set up a board position.
447 * Nine lines of nine characters are used to setup the board. 9a-1a is the
448 * first line. White pieces are represented by uppercase characters.
459 fgets(s
, 80, stdin
); /* skip "setup" command */
461 for (r
= NO_ROWS
- 1; r
>= 0; r
--)
465 for (c
= 0; c
<= (NO_COLS
- 1); c
++)
470 board
[sq
] = no_piece
;
472 for (i
= no_piece
; i
<= king
; i
++)
480 else if (ch
== qxx
[i
])
490 for (sq
= 0; sq
< NO_SQUARES
; sq
++)
491 Mvboard
[sq
] = ((board
[sq
] != Stboard
[sq
]) ? 10 : 0);
495 Raw_UpdateDisplay(0, 0, 1, 0);
496 fputs("Setup successful\n", stdout
);
501 Raw_SearchStartStuff(short side
)
505 printf("\nMove# %d Target = %ld Clock: %ld\n",
507 ResponseTime
, TimeControl
.clock
[side
]);
517 printf("Illegal position.\n");
521 if (mvstr
[0][0] == '\0')
525 /* add remaining time in milliseconds to xshogi */
526 printf("%d. ... %s %ld\n", ++mycnt1
, mvstr
[0],
527 (TimeControl
.clock
[player
] - et
) * 10);
529 printf("%d. ... %s\n", ++mycnt1
, mvstr
[0]);
532 if ((root
->flags
& draw
) || (root
->score
== -(SCORE_LIMIT
+ 999))
533 || (root
->score
== (SCORE_LIMIT
+ 998)))
546 if (Tree
[t
].f
|| Tree
[t
].t
)
554 printf("Gen %ld Node %ld Tree %d Eval %ld Rate %ld EC %d/%d RS hi %ld lo %ld \n", GenCnt
, NodeCnt
, t
, EvalNodes
,
555 (et
> 100) ? (NodeCnt
/ (et
/ 100)) : 0,
556 EADD
, EGET
, reminus
, replus
);
558 printf("Hin/Hout/Tcol/Coll/Fin/Fout = %ld/%ld/%ld/%ld/%ld/%ld\n",
559 HashAdd
, HashCnt
, THashCol
, HashCol
, FHashCnt
, FHashAdd
);
562 Raw_UpdateDisplay(root
->f
, root
->t
, 0, root
->flags
);
566 printf("My move is: %5s\n", mvstr
[0]);
573 if (root
->flags
& draw
)
574 fputs("Drawn game!\n", stdout
);
575 else if (root
->score
== -(SCORE_LIMIT
+ 999))
576 printf("%s mates!\n", ColorStr
[opponent
]);
577 else if (root
->score
== (SCORE_LIMIT
+ 998))
578 printf("%s mates!\n", ColorStr
[computer
]);
580 else if (!XSHOGI
&& (root
->score
< -SCORE_LIMIT
))
581 printf("%s%s has a forced mate in %d moves!\n", xboard
? "# " : "",
582 ColorStr
[opponent
], SCORE_LIMIT
+ 999 + root
->score
- 1);
583 else if (!XSHOGI
&& (root
->score
> SCORE_LIMIT
))
584 printf("%s%s has a forced mate in %d moves!\n", xboard
? "# " : "",
585 ColorStr
[computer
], SCORE_LIMIT
+ 998 - root
->score
- 1);
586 #endif /* VERYBUGGY */
591 Raw_UpdateClocks(void)
597 Raw_UpdateDisplay(short f
, short t
, short redraw
, short isspec
)
602 if (redraw
&& !XSHOGI
)
605 r
= (short)(TimeControl
.clock
[black
] / 6000);
606 c
= (short)((TimeControl
.clock
[black
] % 6000) / 100);
607 l
= (short)(TimeControl
.clock
[white
] / 6000);
608 m
= (short)((TimeControl
.clock
[white
] % 6000) / 100);
609 printf("Black %d:%02d White %d:%02d\n", r
, c
, l
, m
);
612 for (r
= (NO_ROWS
- 1); r
>= 0; r
--)
614 for (c
= 0; c
<= (NO_COLS
- 1); c
++)
618 ? locn((NO_ROWS
- 1) - r
, (NO_COLS
- 1) - c
)
620 pc
= (is_promoted
[board
[l
]] ? '+' : ' ');
622 if (color
[l
] == neutral
)
624 else if (color
[l
] == black
)
625 printf("%c%c", pc
, qxx
[board
[l
]]);
627 printf("%c%c", pc
, pxx
[board
[l
]]);
637 for (side
= black
; side
<= white
; side
++)
640 printf((side
== black
)?"black ":"white ");
642 for (piece
= pawn
; piece
<= king
; piece
++)
644 if ((c
= Captured
[side
][piece
]))
645 printf("%i%c ", c
, pxx
[piece
]);
656 Raw_ChangeAlphaWindow(void)
658 printf("WAwindow: ");
659 scanf("%hd", &WAwindow
);
660 printf("BAwindow: ");
661 scanf("%hd", &BAwindow
);
666 Raw_ChangeBetaWindow(void)
668 printf("WBwindow: ");
669 scanf("%hd", &WBwindow
);
670 printf("BBwindow: ");
671 scanf("%hd", &BBwindow
);
680 algbr((short) (hint
>> 8), (short) (hint
& 0xFF), false);
681 printf("Hint: %s\n", mvstr
[0]);
684 fputs("I have no idea.\n", stdout
);
689 Raw_SelectLevel(char *sx
)
691 /* FIXME: NO_SQUARES is nonsense here */
692 char T
[NO_SQUARES
+ 1], *p
;
694 strncpy(T
, sx
, NO_SQUARES
);
695 T
[NO_SQUARES
] = '\0';
697 /* if line empty, ask for input */
700 fputs("Enter #moves #minutes: ", stdout
);
701 fgets(T
, NO_SQUARES
+ 1, stdin
);
704 /* skip blackspace */
705 for (p
= T
; *p
== ' '; p
++) ;
707 /* could be moves or a fischer clock */
710 /* its a fischer clock game */
713 TCminutes
= (short)strtol(p
, &q
, 10);
714 TCadd
= (short)strtol(q
, NULL
, 10) *100;
723 TCmoves
= (short)strtol(p
, &q
, 10);
724 TCminutes
= (short)strtol(q
, &q
, 10);
727 TCseconds
= (short)strtol(q
+ 1, (char **) NULL
, 10);
732 fputs("Operator time (hundredths) = ", stdout
);
733 scanf("%hd", &OperatorTime
);
739 MaxResponseTime
= TCminutes
*60L * 100L + TCseconds
* 100L;
740 TCminutes
= TCseconds
= 0;
749 TimeControl
.clock
[black
] = TimeControl
.clock
[white
] = 0;
754 printf("Clocks: %ld %ld\n",
755 TimeControl
.clock
[black
] * 10,
756 TimeControl
.clock
[white
] * 10);
762 Raw_ChangeSearchDepth(char *sx
)
765 strncpy(buf
, sx
, 80); buf
[80] = '\0';
766 /* if line empty, ask for input */
769 fgets(buf
, 80+1, stdin
);
771 sscanf(buf
, "%hd", &MaxSearchDepth
);
772 TCflag
= !(MaxSearchDepth
> 0);
777 Raw_ChangeHashDepth(void)
779 printf("hashdepth = ");
780 scanf("%hd", &HashDepth
);
781 printf("MoveLimit = ");
782 scanf("%hd", &HashMoveLimit
);
787 Raw_SetContempt(void)
789 printf("contempt = ");
790 scanf("%hd", &contempt
);
795 Raw_ChangeXwindow(void)
798 scanf("%hd", &xwndw
);
803 * Raw_ShowPostnValue(short sq)
804 * must have called ExaminePosition() first
807 Raw_ShowPostnValue(short sq
)
809 (void) ScorePosition(color
[sq
]);
811 if (color
[sq
] != neutral
)
813 #if defined SAVE_SVALUE
814 printf("???%c ", (color
[sq
] == white
)?'b':'w');
816 printf("%3d%c ", svalue
[sq
], (color
[sq
] == white
)?'b':'w');
829 short c
, p
, sq
, tp
, tc
, tsq
, score
, j
, k
;
832 ExaminePosition(opponent
);
833 Raw_ShowMessage("Enter piece: ");
837 if ((s
[0] == 'b') || (s
[0] == 'B'))
840 if ((s
[0] == 'w') || (s
[0] == 'W'))
843 for (p
= king
; p
> no_piece
; p
--)
845 if ((s
[1] == pxx
[p
]) || (s
[1] == qxx
[p
]))
851 for (j
= (NO_ROWS
- 1); j
>= 0; j
--)
853 for (k
= 0; k
< (NO_COLS
); k
++)
855 sq
= j
*(NO_COLS
) + k
;
860 tsq
= PieceList
[c
][1];
861 PieceList
[c
][1] = sq
;
862 Raw_ShowPostnValue(sq
);
863 PieceList
[c
][1] = tsq
;
872 score
= ScorePosition(opponent
);
874 for (j
= (NO_ROWS
- 1); j
>= 0; j
--)
876 for (k
= 0; k
< (NO_COLS
); k
++)
878 sq
= j
*(NO_COLS
) + k
;
880 if (color
[sq
] != neutral
)
882 #if defined SAVE_SVALUE
883 printf("%?????%c ", (color
[sq
] == white
)?'b':'w');
885 printf("%5d%c ", svalue
[sq
], (color
[sq
] == white
)?'b':'w');
897 printf("stage = %d\n", stage
);
898 printf("S%d m%d ps%d gt%c m%d ps%d gt%c", score
,
899 mtl
[computer
], pscore
[computer
], GameType
[computer
],
900 mtl
[opponent
], pscore
[opponent
], GameType
[opponent
]);
905 Raw_DoTable(short table
[NO_SQUARES
])
908 ExaminePosition(opponent
);
910 for (j
= (NO_ROWS
- 1); j
>= 0; j
--)
912 for (k
= 0; k
< NO_COLS
; k
++)
914 sq
= j
*(NO_ROWS
) + k
;
915 printf("%3d ", table
[sq
]);
924 Raw_ShowPostnValues(void)
926 short sq
, score
, j
, k
;
927 ExaminePosition(opponent
);
929 for (j
= (NO_ROWS
- 1); j
>= 0; j
--)
931 for (k
= 0; k
< NO_COLS
; k
++)
933 sq
= j
* NO_COLS
+ k
;
934 Raw_ShowPostnValue(sq
);
940 score
= ScorePosition(opponent
);
941 printf("S%d m%d ps%d gt%c m%d ps%d gt%c", score
,
942 mtl
[computer
], pscore
[computer
], GameType
[computer
],
943 mtl
[opponent
], pscore
[opponent
], GameType
[opponent
]);
944 printf("\nhung black %d hung white %d\n", hung
[black
], hung
[white
]);
949 Raw_PollForInput(void)
953 if (!PeekNamedPipe(GetStdHandle(STD_INPUT_HANDLE
), NULL
, 0, NULL
, &cnt
, NULL
))
956 static struct pollfd pollfds
[1] = { [0] = { .fd
= STDIN_FILENO
,
957 .events
= POLLIN
} };
958 int cnt
= poll(pollfds
, sizeof(pollfds
)/sizeof(pollfds
[0]), 0);
960 perror("polling standard input");
964 if (cnt
) { /* if anything to read, or error occured */
966 flag
.back
= true; /* previous: flag.timeout = true; */
967 flag
.bothsides
= false;
971 struct display raw_display
=
973 .ChangeAlphaWindow
= Raw_ChangeAlphaWindow
,
974 .ChangeBetaWindow
= Raw_ChangeBetaWindow
,
975 .ChangeHashDepth
= Raw_ChangeHashDepth
,
976 .ChangeSearchDepth
= Raw_ChangeSearchDepth
,
977 .ChangeXwindow
= Raw_ChangeXwindow
,
978 .ClearScreen
= Raw_ClearScreen
,
979 .DoDebug
= Raw_DoDebug
,
980 .DoTable
= Raw_DoTable
,
981 .EditBoard
= Raw_EditBoard
,
982 .ExitShogi
= Raw_ExitShogi
,
983 .GiveHint
= Raw_GiveHint
,
984 .Initialize
= Raw_Initialize
,
985 .ShowNodeCnt
= Raw_ShowNodeCnt
,
986 .OutputMove
= Raw_OutputMove
,
987 .PollForInput
= Raw_PollForInput
,
988 .SetContempt
= Raw_SetContempt
,
989 .SearchStartStuff
= Raw_SearchStartStuff
,
990 .SelectLevel
= Raw_SelectLevel
,
991 .ShowCurrentMove
= Raw_ShowCurrentMove
,
992 .ShowDepth
= Raw_ShowDepth
,
993 .ShowGameType
= Raw_ShowGameType
,
994 .ShowLine
= Raw_ShowLine
,
995 .ShowMessage
= Raw_ShowMessage
,
996 .AlwaysShowMessage
= Raw_AlwaysShowMessage
,
997 .Printf
= Raw_Printf
,
998 .doRequestInputString
= Raw_doRequestInputString
,
999 .GetString
= Raw_GetString
,
1000 .SetupBoard
= Raw_SetupBoard
,
1001 .ShowPatternCount
= Raw_ShowPatternCount
,
1002 .ShowPostnValue
= Raw_ShowPostnValue
,
1003 .ShowPostnValues
= Raw_ShowPostnValues
,
1004 .ShowPrompt
= Raw_ShowPrompt
,
1005 .ShowResponseTime
= Raw_ShowResponseTime
,
1006 .ShowResults
= Raw_ShowResults
,
1007 .ShowSidetoMove
= Raw_ShowSidetoMove
,
1008 .ShowStage
= Raw_ShowStage
,
1009 .TerminateSearch
= Raw_TerminateSearch
,
1010 .UpdateClocks
= Raw_UpdateClocks
,
1011 .UpdateDisplay
= Raw_UpdateDisplay
,