gnushogi/cursesdsp.c

   1 /*
   2  * FILE: cursesdsp.c
   3  *
   4  *     Curses interface for GNU Shogi
   5  *
   6  * ----------------------------------------------------------------------
   7  * Copyright (c) 1993, 1994, 1995 Matthias Mutz
   8  * Copyright (c) 1999 Michael Vanier and the Free Software Foundation
   9  * Copyright (c) 2008, 2013, 2014 Yann Dirson and the Free Software Foundation
  10  *
  11  * GNU SHOGI is based on GNU CHESS
  12  *
  13  * Copyright (c) 1988, 1989, 1990 John Stanback
  14  * Copyright (c) 1992 Free Software Foundation
  15  *
  16  * This file is part of GNU SHOGI.
  17  *
  18  * GNU Shogi is free software; you can redistribute it and/or modify it
  19  * under the terms of the GNU General Public License as published by the
  20  * Free Software Foundation; either version 3 of the License,
  21  * or (at your option) any later version.
  22  *
  23  * GNU Shogi is distributed in the hope that it will be useful, but WITHOUT
  24  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  25  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  26  * for more details.
  27  *
  28  * You should have received a copy of the GNU General Public License along
  29  * with GNU Shogi; see the file COPYING. If not, see
  30  * <http://www.gnu.org/licenses/>.
  31  * ----------------------------------------------------------------------
  32  */
  33
  34 /* request *snprintf prototypes */
  35 #define _POSIX_C_SOURCE 200112L
  36
  37 #include "gnushogi.h"
  38
  39 #include <ctype.h>
  40 #include <signal.h>
  41 #include <stdio.h>
  42 #include <stdarg.h>
  43
  44 #include <sys/param.h>
  45 #include <sys/types.h>
  46 #include <sys/file.h>
  47 #include <curses.h>
  48
  49 #if HAVE_UNISTD_H
  50 #include <unistd.h>
  51 #endif
  52
  53 #if HAVE_SYS_FILIO_H
  54 /* Definition of FIONREAD */
  55 #include <sys/filio.h>
  56 #endif
  57
  58 #if HAVE_ERRNO_H
  59 /* Definition of errno(). */
  60 #include <errno.h>
  61 #endif
  62
  63 #define FLUSH_SCANW fflush(stdout), scanw
  64
  65 #define MARGIN (5)
  66 #define TAB (58)
  67
  68 #define VIR_C(s)  ((flag.reverse) ? (NO_COLS - 1 - column(s)) : column(s))
  69 #define VIR_R(s)  ((flag.reverse) ? (NO_ROWS - 1 - row(s)) : row(s))
  70
  71 /****************************************
  72  * forward declarations
  73  ****************************************/
  74
  75 /* FIXME: change this name, puh-leeze! */
  76 static void UpdateCatched(void);
  77 static void DrawPiece(short sq);
  78 static void ShowScore(short score);
  79 static void Curses_UpdateDisplay(short f, short t, short redraw, short isspec);
  80 static void Curses_Die(int sig);
  81 static void Curses_ShowSidetoMove(void);
  82
  83 /****************************************
  84  * Trivial output functions.
  85  ****************************************/
  86
  87 static void
  88 ClearEoln(void)
  89 {
  90     clrtoeol();
  91     refresh();
  92 }
  93
  94
  95 static void
  96 Curses_ClearScreen(void)
  97 {
  98     clear();
  99     refresh();
 100 }
 101
 102
 103 static void
 104 gotoXY(short x, short y)
 105 {
 106     move(y - 1, x - 1);
 107 }
 108
 109
 110 static void
 111 ClearMessage(void)
 112 {
 113     gotoXY(TAB, 6);
 114     ClearEoln();
 115 }
 116
 117 static void
 118 Curses_ShowCurrentMove(short pnt, short f, short t)
 119 {
 120     algbr(f, t, 0);
 121     gotoXY(TAB, 7);
 122     printw("(%2d) %5s ", pnt, mvstr[0]);
 123 }
 124
 125
 126 static void
 127 Curses_ShowDepth(char ch)
 128 {
 129     gotoXY(TAB, 4);
 130     printw("Depth= %d%c ", Sdepth, ch);
 131     ClearEoln();
 132 }
 133
 134
 135 static void
 136 Curses_ShowGameType(void)
 137 {
 138     if (flag.post)
 139     {
 140         gotoXY(TAB, 20);
 141         printw("%c vs. %c", GameType[black], GameType[white]);
 142     }
 143 }
 144
 145
 146 static void
 147 ShowHeader(void)
 148 {
 149     gotoXY(TAB, 2);
 150     printw("GNU Shogi %s", PACKAGE_VERSION);
 151 }
 152
 153
 154 static void
 155 Curses_ShowLine(unsigned short *bstline)
 156 {
 157 }
 158
 159
 160 static void
 161 _vprintw(const char *format, va_list ap)
 162 {
 163     static char buffer[60];
 164     vsnprintf(buffer, sizeof(buffer), format, ap);
 165     printw("%s", buffer);
 166 }
 167
 168 static void
 169 Curses_ShowMessage(char *format, ...)
 170 {
 171     va_list ap;
 172     va_start(ap, format);
 173     gotoXY(TAB, 6);
 174     _vprintw(format, ap);
 175     va_end(ap);
 176     ClearEoln();
 177 }
 178
 179 static void
 180 Curses_AlwaysShowMessage(const char *format, ...)
 181 {
 182     va_list ap;
 183     va_start(ap, format);
 184     gotoXY(TAB, 6);
 185     _vprintw(format, ap);
 186     va_end(ap);
 187     ClearEoln();
 188 }
 189
 190
 191 static void
 192 Curses_Printf(const char *format, ...)
 193 {
 194     va_list ap;
 195     va_start(ap, format);
 196     _vprintw(format, ap);
 197     va_end(ap);
 198 }
 199
 200
 201 static void
 202 Curses_doRequestInputString(const char* fmt, char* buffer)
 203 {
 204     FLUSH_SCANW(fmt, buffer);
 205 }
 206
 207
 208 static int
 209 Curses_GetString(char* sx)
 210 {
 211     fflush(stdout);
 212     return (getstr(sx) == ERR);
 213 }
 214
 215
 216 static void
 217 Curses_ShowNodeCnt(long NodeCnt)
 218 {
 219     gotoXY(TAB, 22);
 220     /* printw("Nodes = %8ld, Nodes/Sec = %5ld", NodeCnt, (et > 100) ? NodeCnt / (et / 100) : 0); */
 221     printw("n = %ld n/s = %ld",
 222            NodeCnt, (et > 100) ? NodeCnt / (et / 100) : 0);
 223     ClearEoln();
 224 }
 225
 226
 227 static void
 228 Curses_ShowPatternCount(short side, short n)
 229 {
 230     if (flag.post)
 231     {
 232         gotoXY(TAB + 10 + 3 * side, 20);          /* CHECKME */
 233
 234         if (n >= 0)
 235             printw("%3d", n);
 236         else
 237             printw("   ");
 238     }
 239 }
 240
 241
 242 static void
 243 ShowPlayers(void)
 244 {
 245     gotoXY(5, ((flag.reverse) ? (5 + 2*NO_ROWS) : 2));
 246     printw("%s", (computer == white) ? "Computer" : "Human   ");
 247     gotoXY(5, ((flag.reverse) ? 2 : (5 + 2*NO_ROWS)));
 248     printw("%s", (computer == black) ? "Computer" : "Human   ");
 249 }
 250
 251
 252 static void
 253 Curses_ShowPrompt(void)
 254 {
 255     Curses_ShowSidetoMove();
 256     gotoXY(TAB, 17);
 257     printw("Your move is? ");
 258     ClearEoln();
 259 }
 260
 261
 262 static void
 263 Curses_ShowResponseTime(void)
 264 {
 265     if (flag.post)
 266     {
 267         short TCC = TCcount;
 268         gotoXY(TAB, 21);
 269         printw("%ld, %d, %ld, %ld, %ld, %d",
 270                ResponseTime, TCC, TCleft, ExtraTime, et, flag.timeout);
 271         ClearEoln();
 272     }
 273 }
 274
 275
 276 static void
 277 Curses_ShowResults(short score, unsigned short *bstline, char ch)
 278 {
 279     unsigned char d, ply;
 280
 281     if (flag.post)
 282     {
 283         Curses_ShowDepth(ch);
 284         ShowScore(score);
 285         d = 7;
 286
 287         for (ply = 1; bstline[ply] > 0; ply++)
 288         {
 289             if (ply % 2 == 1)
 290             {
 291                 gotoXY(TAB, ++d);
 292                 ClearEoln();
 293             }
 294
 295             algbr((short) bstline[ply] >> 8,
 296                   (short) bstline[ply] & 0xFF, 0);
 297             printw("%5s ", mvstr[0]);
 298         }
 299
 300         ClearEoln();
 301
 302         while (d < 13)
 303         {
 304             gotoXY(TAB, ++d);
 305             ClearEoln();
 306         }
 307     }
 308 }
 309
 310
 311 static void
 312 ShowScore(short score)
 313 {
 314     gotoXY(TAB, 5);
 315     printw("Score= %d", score);
 316     ClearEoln();
 317 }
 318
 319
 320 static void
 321 Curses_ShowSidetoMove(void)
 322 {
 323     gotoXY(TAB, 14);
 324     printw("%2d:   %s", 1 + GameCnt / 2, ColorStr[player]);
 325     ClearEoln();
 326 }
 327
 328
 329 static void
 330 Curses_ShowStage(void)
 331 {
 332     gotoXY(TAB, 19);
 333     printw("Stage= %2d%c B= %2d W= %2d",
 334            stage, flag.tsume?'T':' ', balance[black], balance[white]);
 335     ClearEoln();
 336 }
 337
 338 /****************************************
 339  * End of trivial output routines.
 340  ****************************************/
 341
 342 static void
 343 Curses_Initialize(void)
 344 {
 345     signal(SIGINT, Curses_Die);
 346     signal(SIGQUIT, Curses_Die);
 347     initscr();
 348     crmode();
 349 }
 350
 351
 352 static void
 353 Curses_ExitShogi(void)
 354 {
 355     if (!nolist)
 356         ListGame();
 357
 358     gotoXY(1, 24);
 359
 360     refresh();
 361     nocrmode();
 362     endwin();
 363
 364     exit(0);
 365 }
 366
 367
 368 static void
 369 Curses_Die(int sig)
 370 {
 371     char s[80];
 372
 373     signal(SIGINT, SIG_IGN);
 374     signal(SIGQUIT, SIG_IGN);
 375
 376     Curses_ShowMessage("Abort? ");
 377     FLUSH_SCANW("%s", s);
 378
 379     if (strcmp(s, "yes") == 0)
 380         Curses_ExitShogi();
 381
 382     signal(SIGINT, Curses_Die);
 383     signal(SIGQUIT, Curses_Die);
 384 }
 385
 386
 387 static void
 388 Curses_TerminateSearch(int sig)
 389 {
 390     signal(SIGINT, SIG_IGN);
 391     signal(SIGQUIT, SIG_IGN);
 392
 393     if (!flag.timeout)
 394         flag.musttimeout = true;
 395
 396     Curses_ShowMessage("Terminate Search");
 397     flag.bothsides = false;
 398     signal(SIGINT, Curses_Die);
 399     signal(SIGQUIT, Curses_Die);
 400 }
 401
 402
 403 static void
 404 Curses_help(void)
 405 {
 406     Curses_ClearScreen();
 407     printw("GNU Shogi %s command summary\n", PACKAGE_VERSION);
 408     printw("-------------------------------"
 409            "---------------------------------\n");
 410     printw("7g7f      move from 7g to 7f      quit      Exit Shogi\n");
 411     printw("S6h       move silver to 6h       beep      turn %s\n", (flag.beep) ? "OFF" : "ON");
 412     printw("2d2c+     move to 2c and promote\n");
 413     printw("P*5e      drop pawn to 5e         easy      turn %s\n", (flag.easy) ? "OFF" : "ON");
 414     printw("tsume     toggle tsume mode       hash      turn %s\n", (flag.hash) ? "OFF" : "ON");
 415     printw("bd        redraw board            reverse   board display\n");
 416     printw("list      game to shogi.lst       book      turn %s used %d of %d\n", (Book) ? "OFF" : "ON", bookcount, BOOKSIZE);
 417     printw("undo      undo last ply           remove    take back a move\n");
 418     printw("edit      edit board              force     toggle manual move mode\n");
 419     printw("switch    sides with computer     both      computer match\n");
 420     printw("black     computer plays black    white     computer plays white\n");
 421     printw("depth     set search depth        clock     set time control\n");
 422     printw("post      principle variation     hint      suggest a move\n", (flag.post) ? "OFF" : "ON");
 423     printw("save      game to file            get       game from file\n");
 424     printw("random    randomize play          new       start new game\n");
 425     gotoXY(10, 20);
 426     printw("Computer: %s", ColorStr[computer]);
 427     gotoXY(10, 21);
 428     printw("Opponent: %s", ColorStr[opponent]);
 429     gotoXY(10, 22);
 430     printw("Level: %ld", MaxResponseTime/100);
 431     gotoXY(10, 23);
 432     printw("Easy mode: %s", (flag.easy) ? "ON" : "OFF");
 433     gotoXY(25, 23);
 434     printw("Tsume: %s", (flag.tsume) ? "ON" : "OFF");
 435     gotoXY(40, 20);
 436     printw("Depth: %d", MaxSearchDepth);
 437     gotoXY(40, 21);
 438     printw("Random: %s", (dither) ? "ON" : "OFF");
 439     gotoXY(40, 22);
 440     printw("Transposition table: %s", (flag.hash) ? "ON" : "OFF");
 441     gotoXY(40, 23);
 442     printw("Hit <RET> to return: ");
 443     gotoXY(10, 24);
 444     printw("Time Control %s %d moves %d sec %d add %d depth\n", (TCflag) ? "ON" : "OFF",
 445            TimeControl.moves[black],
 446            TimeControl.clock[black] / 100,
 447            OperatorTime, MaxSearchDepth);
 448
 449     refresh();
 450
 451 #ifdef BOGUS
 452     fflush(stdin); /* what is this supposed to do?? */
 453 #endif /* BOGUS */
 454
 455     getchar();
 456     Curses_ClearScreen();
 457     Curses_UpdateDisplay(0, 0, 1, 0);
 458 }
 459
 460
 461 static const short x0[2] = { MARGIN + 5*NO_COLS + 4, 2 };
 462 static const short y0[2] = { 4 + 2 * (NO_ROWS - 1), 4 };
 463
 464
 465 /*
 466  * Set up a board position. Pieces are entered by typing the piece followed
 467  * by the location. For example, N3f will place a knight on square 3f.
 468  * P* will put a pawn to the captured pieces.
 469  */
 470
 471 static void
 472 Curses_EditBoard(void)
 473 {
 474     short a, c, sq, i, found;
 475     short r = 0;
 476     char s[80];
 477
 478     flag.regularstart = true;
 479     Book = BOOKFAIL;
 480     Curses_ClearScreen();
 481     Curses_UpdateDisplay(0, 0, 1, 0);
 482     gotoXY(TAB, 11);
 483     printw(".   Exit to main\n");
 484     gotoXY(TAB, 12);
 485     printw("#   Clear board\n");
 486     gotoXY(TAB, 13);
 487     printw("c   Change sides\n");
 488     gotoXY(TAB, 7);
 489     printw("Enter piece & location: ");
 490     a = black;
 491
 492     while(1)
 493     {
 494         gotoXY(TAB, 4);
 495         printw("Editing: %s", ColorStr[a]);
 496         gotoXY(TAB + 2, 8);
 497         ClearEoln();
 498         FLUSH_SCANW("%s", s);
 499         found = 0;
 500         ClearMessage();
 501
 502         if (s[0] == '.')
 503             break;
 504
 505         if (s[0] == '#')
 506         {
 507             for (sq = 0; sq < NO_SQUARES; sq++)
 508             {
 509                 board[sq] = no_piece;
 510                 color[sq] = neutral;
 511                 DrawPiece(sq);
 512             }
 513
 514             ClearCaptured();
 515             UpdateCatched();
 516             continue;
 517         }
 518
 519         if (s[0] == 'c') {
 520             a = otherside[a];
 521             continue;
 522         }
 523
 524         if (s[1] == '*')
 525         {
 526             for (i = NO_PIECES; i > no_piece; i--)
 527             {
 528                 if ((s[0] == pxx[i]) || (s[0] == qxx[i]))
 529                 {
 530                     Captured[a][unpromoted[i]]++;
 531                     UpdateCatched();
 532                     found = 1;
 533                     break;
 534                 }
 535             }
 536             if (!found)
 537                 dsp->AlwaysShowMessage("Invalid piece type '%c'", s[0]);
 538             continue;
 539         }
 540
 541         c = COL_NUM(s[1]);
 542         r = ROW_NUM(s[2]);
 543
 544         if ((c < 0) || (c >= NO_COLS) || (r < 0) || (r >= NO_ROWS)) {
 545             dsp->AlwaysShowMessage("Out-of-board '%c%c'", s[1], s[2]);
 546             continue;
 547         }
 548
 549         sq = locn(r, c);
 550
 551         for (i = NO_PIECES; i > no_piece; i--)
 552         {
 553             if ((s[0] == pxx[i]) || (s[0] == qxx[i]))
 554             {
 555                 color[sq] = a;
 556                 if (s[3] == '+')
 557                     board[sq] = promoted[i];
 558                 else
 559                     board[sq] = unpromoted[i];
 560
 561                 found = 1;
 562                 break;
 563             }
 564         }
 565
 566         if (!found)
 567             dsp->AlwaysShowMessage("Invalid piece type '%c'", s[0]);
 568
 569         DrawPiece(sq);
 570     }
 571
 572     for (sq = 0; sq < NO_SQUARES; sq++)
 573         Mvboard[sq] = ((board[sq] != Stboard[sq]) ? 10 : 0);
 574
 575     GameCnt = 0;
 576     Game50 = 1;
 577     ZeroRPT();
 578     Sdepth = 0;
 579     InitializeStats();
 580     Curses_ClearScreen();
 581     Curses_UpdateDisplay(0, 0, 1, 0);
 582 }
 583
 584
 585 static void
 586 UpdateCatched()
 587 {
 588     short side;
 589
 590     for (side = black; side <= white; side++)
 591     {
 592         short x, y, piece, cside, k;
 593
 594         cside = flag.reverse ? (side ^ 1) : side;
 595         x = x0[cside];
 596         y = y0[cside];
 597         k = 0;
 598
 599         for (piece = pawn; piece <= king; piece++)
 600         {
 601             short n;
 602
 603             if ((n = Captured[side][piece]))
 604             {
 605                 gotoXY(x, y);
 606                 printw("%i%c", n, pxx[piece]);
 607
 608                 if (cside == black)
 609                     y--;
 610                 else
 611                     y++;
 612             }
 613             else
 614             {
 615                 k++;
 616             }
 617         }
 618
 619         while (k)
 620         {
 621             k--;
 622             gotoXY(x, y);
 623             printw("  ");
 624
 625             if (cside == black)
 626                 y--;
 627             else
 628                 y++;
 629         }
 630     }
 631
 632     refresh();
 633 }
 634
 635
 636 static void
 637 Curses_SearchStartStuff(short side)
 638 {
 639     short i;
 640
 641     signal(SIGINT, Curses_TerminateSearch);
 642     signal(SIGQUIT, Curses_TerminateSearch);
 643
 644     for (i = 4; i < 14; i++)                      /* CHECKME */
 645     {
 646         gotoXY(TAB, i);
 647         ClearEoln();
 648     }
 649 }
 650
 651
 652 static void
 653 Curses_OutputMove(void)
 654 {
 655
 656     Curses_UpdateDisplay(root->f, root->t, 0, (short) root->flags);
 657     gotoXY(TAB, 16);
 658
 659     if (flag.illegal)
 660     {
 661         printw("Illegal position.");
 662         return;
 663     }
 664
 665     printw("My move is: %5s", mvstr[0]);
 666
 667     if (flag.beep)
 668         putchar(7);
 669
 670     ClearEoln();
 671
 672     gotoXY(TAB, 18);
 673
 674     if (root->flags & draw)
 675         printw("Drawn game!");
 676     else if (root->score == -(SCORE_LIMIT + 999))
 677         printw("Opponent mates!");
 678     else if (root->score == SCORE_LIMIT + 998)
 679         printw("Computer mates!");
 680 #ifdef VERYBUGGY
 681     else if (root->score < -SCORE_LIMIT)
 682         printw("Opp: mate in %d!", SCORE_LIMIT + 999 + root->score - 1);
 683     else if (root->score > SCORE_LIMIT)
 684         printw("Comp: mate in %d!", SCORE_LIMIT + 998 - root->score - 1);
 685 #endif /* VERYBUGGY */
 686
 687     ClearEoln();
 688
 689     if (flag.post)
 690     {
 691         short h, l, t;
 692
 693         h = TREE;
 694         l = 0;
 695         t = TREE >> 1;
 696
 697         while (l != t)
 698         {
 699             if (Tree[t].f || Tree[t].t)
 700                 l = t;
 701             else
 702                 h = t;
 703
 704             t = (l + h) >> 1;
 705         }
 706
 707         Curses_ShowNodeCnt(NodeCnt);
 708         gotoXY(TAB, 23);
 709         printw("Max Tree = %5d", t);
 710         ClearEoln();
 711     }
 712
 713     Curses_ShowSidetoMove();
 714 }
 715
 716
 717 static void
 718 Curses_UpdateClocks(void)
 719 {
 720     short m, s;
 721     long dt;
 722
 723     if (TCflag)
 724     {
 725         m = (short) ((dt = (TimeControl.clock[player] - et)) / 6000);
 726         s = (short) ((dt - 6000 * (long) m) / 100);
 727     }
 728     else
 729     {
 730         m = (short) ((dt = et) / 6000);
 731         s = (short) (et - 6000 * (long) m) / 100;
 732     }
 733
 734     if (m < 0)
 735         m = 0;
 736
 737     if (s < 0)
 738         s = 0;
 739
 740     if (player == black)
 741         gotoXY(20, (flag.reverse) ? 2 : (5 + 2*NO_ROWS));
 742     else
 743         gotoXY(20, (flag.reverse) ? (5 + 2*NO_ROWS) : 2);
 744
 745     /* printw("%d:%02d %ld  ", m, s, dt); */
 746     printw("%d:%02d  ", m, s);
 747
 748     if (flag.post)
 749         Curses_ShowNodeCnt(NodeCnt);
 750
 751     refresh();
 752 }
 753
 754
 755 static void
 756 DrawPiece(short sq)
 757 {
 758     char y;
 759     char piece, l, r, p;
 760
 761     if (color[sq] == neutral)
 762     {
 763         l = r = ' ';
 764     }
 765     else if (flag.reverse ^ (color[sq] == black))
 766     {
 767         l = '/';
 768         r = '\\';
 769     }
 770     else
 771     {
 772         l = '\\', r = '/';
 773     }
 774
 775     piece = board[sq];
 776
 777     if (is_promoted[(int)piece])
 778     {
 779         p = '+';
 780         y = pxx[unpromoted[(int)piece]];
 781     }
 782     else
 783     {
 784         p = ' ';
 785         y = pxx[(int)piece];
 786     }
 787
 788     gotoXY(MARGIN + 3 + 5 * VIR_C(sq), 4 + 2 * ((NO_ROWS - 1) - VIR_R(sq)));
 789     printw("%c%c%c%c", l, p, y, r);
 790 }
 791
 792
 793 /*
 794  * Curses_ShowPostnValue(): must have called ExaminePosition() first
 795  */
 796 static void
 797 Curses_ShowPostnValue(short sq)
 798 {
 799     gotoXY(4 + 5 * VIR_C(sq), 5 + 2 * (7 - VIR_R(sq))); /* CHECKME */
 800     (void) ScorePosition(color[sq]);
 801
 802     if (color[sq] != neutral)
 803 #if defined SAVE_SVALUE
 804     {
 805         printw("??? ");
 806     }
 807 #else
 808     {
 809         printw("%3d ", svalue[sq]);
 810     }
 811 #endif
 812     else
 813     {
 814         printw("   ");
 815     }
 816 }
 817
 818
 819 static void
 820 Curses_ShowPostnValues(void)
 821 {
 822     short sq, score;
 823
 824     ExaminePosition(opponent);
 825
 826     for (sq = 0; sq < NO_SQUARES; sq++)
 827         Curses_ShowPostnValue(sq);
 828
 829     score = ScorePosition(opponent);
 830     gotoXY(TAB, 5);
 831     printw("S%d m%d ps%d gt%c m%d ps%d gt%c", score,
 832            mtl[computer], pscore[computer], GameType[computer],
 833            mtl[opponent], pscore[opponent], GameType[opponent]);
 834
 835     ClearEoln();
 836 }
 837
 838
 839 static void
 840 Curses_UpdateDisplay(short f, short t, short redraw, short isspec)
 841 {
 842     short i, sq, z;
 843     int j;
 844
 845     if (redraw)
 846     {
 847         ShowHeader();
 848         ShowPlayers();
 849
 850         i = 2;
 851         gotoXY(MARGIN, ++i);
 852
 853         printw("  +");
 854         for (j=0; j<NO_COLS; j++)
 855             printw("----+");
 856
 857         while (i <= 1 + 2*NO_ROWS)
 858         {
 859             gotoXY(MARGIN, ++i);
 860
 861             if (flag.reverse)
 862                 z = (i / 2) - 1;
 863             else
 864                 z = NO_ROWS + 2 - ((i + 1) / 2);
 865
 866             printw("%c |", ROW_NAME(z+1));
 867             for (j=0; j<NO_COLS; j++)
 868                 printw("    |");
 869
 870             gotoXY(MARGIN, ++i);
 871
 872             if (i < 2 + 2*NO_ROWS)
 873             {
 874                 printw("  +");
 875                 for (j=0; j<NO_COLS; j++)
 876                     printw("----+");
 877             }
 878         }
 879
 880         printw("  +");
 881         for (j=0; j<NO_COLS; j++)
 882             printw("----+");
 883
 884         gotoXY(MARGIN, 4 + 2*NO_ROWS);
 885         printw("  ");
 886 #ifndef MINISHOGI
 887         if (flag.reverse)
 888             printw("  1    2    3    4    5    6    7    8    9");
 889         else
 890             printw("  9    8    7    6    5    4    3    2    1");
 891 #else
 892         if (flag.reverse)
 893             printw("  1    2    3    4    5");
 894         else
 895             printw("  5    4    3    2    1");
 896 #endif
 897
 898         for (sq = 0; sq < NO_SQUARES; sq++)
 899             DrawPiece(sq);
 900     }
 901     else /* not redraw */
 902     {
 903         if (f < NO_SQUARES)
 904             DrawPiece(f);
 905
 906         DrawPiece(t & 0x7f);
 907     }
 908
 909     if ((isspec & capture) || (isspec & dropmask) || redraw)
 910     {
 911         short side;
 912
 913         for (side = black; side <= white; side++)
 914         {
 915             short x, y, piece, cside, k;
 916             cside = flag.reverse ? (side ^ 1) : side;
 917             x = x0[cside];
 918             y = y0[cside];
 919             k = 0;
 920
 921             for (piece = pawn; piece <= king; piece++)
 922             {
 923                 short n;
 924
 925                 if ((n = Captured[side][piece]))
 926                 {
 927                     gotoXY(x, y);
 928                     printw("%i%c", n, pxx[piece]);
 929
 930                     if (cside == black) y--; else y++;
 931                 }
 932                 else
 933                 {
 934                     k++;
 935                 }
 936             }
 937
 938             while (k)
 939             {
 940                 k--;
 941                 gotoXY(x, y);
 942                 printw("  ");
 943
 944                 if (cside == black)
 945                     y--;
 946                 else
 947                     y++;
 948             }
 949         }
 950     }
 951
 952     refresh();
 953 }
 954
 955
 956 static void
 957 Curses_ChangeAlphaWindow(void)
 958 {
 959     Curses_ShowMessage("WAwindow = ");
 960     FLUSH_SCANW("%hd", &WAwindow);
 961     Curses_ShowMessage("BAwindow = ");
 962     FLUSH_SCANW("%hd", &BAwindow);
 963 }
 964
 965
 966 static void
 967 Curses_ChangeBetaWindow(void)
 968 {
 969     Curses_ShowMessage("WBwindow = ");
 970     FLUSH_SCANW("%hd", &WBwindow);
 971     Curses_ShowMessage("BBwindow = ");
 972     FLUSH_SCANW("%hd", &BBwindow);
 973 }
 974
 975
 976 static void
 977 Curses_GiveHint(void)
 978 {
 979     char s[40];
 980
 981     if (hint)
 982     {
 983         algbr((short) (hint >> 8), (short) (hint & 0xFF), 0);
 984         strcpy(s, "try ");
 985         strcat(s, mvstr[0]);
 986         Curses_ShowMessage(s);
 987     }
 988     else
 989     {
 990         Curses_ShowMessage("I have no idea.\n");
 991     }
 992 }
 993
 994
 995 static void
 996 Curses_ChangeSearchDepth(char* sx)
 997 {
 998     Curses_ShowMessage("depth = ");
 999     FLUSH_SCANW("%hd", &MaxSearchDepth);
1000     TCflag = !(MaxSearchDepth > 0);
1001 }
1002
1003
1004 static void
1005 Curses_ChangeHashDepth(void)
1006 {
1007     Curses_ShowMessage("hashdepth = ");
1008     FLUSH_SCANW("%hd", &HashDepth);
1009     Curses_ShowMessage("MoveLimit = ");
1010     FLUSH_SCANW("%hd", &HashMoveLimit);
1011 }
1012
1013
1014 static void
1015 Curses_SetContempt(void)
1016 {
1017     Curses_ShowMessage("contempt = ");
1018     FLUSH_SCANW("%hd", &contempt);
1019 }
1020
1021
1022 static void
1023 Curses_ChangeXwindow(void)
1024 {
1025     Curses_ShowMessage("xwndw= ");
1026     FLUSH_SCANW("%hd", &xwndw);
1027 }
1028
1029
1030 static void
1031 Curses_SelectLevel(char *sx)
1032 {
1033     int item;
1034
1035     Curses_ClearScreen();
1036     gotoXY(32, 2);
1037     printw("GNU Shogi %s", PACKAGE_VERSION);
1038     gotoXY(20, 4);
1039     printw(" 1.   40 moves in   5 minutes");
1040     gotoXY(20, 5);
1041     printw(" 2.   40 moves in  15 minutes");
1042     gotoXY(20, 6);
1043     printw(" 3.   40 moves in  30 minutes");
1044     gotoXY(20, 7);
1045     printw(" 4.  all moves in  15 minutes");
1046     gotoXY(20, 8);
1047     printw(" 5.  all moves in  30 minutes");
1048     gotoXY(20, 9);
1049     printw(" 6.  all moves in  15 minutes, 30 seconds fischer clock");
1050     gotoXY(20, 10);
1051     printw(" 7.  all moves in  30 minutes, 30 seconds fischer clock");
1052     gotoXY(20, 11);
1053     printw(" 8.    1 move  in   1 minute");
1054     gotoXY(20, 12);
1055     printw(" 9.    1 move  in  15 minutes");
1056     gotoXY(20, 13);
1057     printw("10.    1 move  in  30 minutes");
1058
1059     OperatorTime = 0;
1060     TCmoves = 40;
1061     TCminutes = 5;
1062     TCseconds = 0;
1063
1064     gotoXY(20, 17);
1065     printw("Enter Level: ");
1066     refresh();
1067     FLUSH_SCANW("%d", &item);
1068
1069     switch(item)
1070     {
1071     case 1:
1072         TCmoves = 40;
1073         TCminutes = 5;
1074         break;
1075
1076     case 2:
1077         TCmoves = 40;
1078         TCminutes = 15;
1079         break;
1080
1081     case 3:
1082         TCmoves = 40;
1083         TCminutes = 30;
1084         break;
1085
1086     case 4:
1087         TCmoves = 80;
1088         TCminutes = 15;
1089         flag.gamein = true;
1090         break;
1091
1092     case 5:
1093         TCmoves = 80;
1094         TCminutes = 30;
1095         flag.gamein = true;
1096         break;
1097
1098     case 6:
1099         TCmoves = 80;
1100         TCminutes = 15;
1101         TCadd = 3000;
1102         flag.gamein = true;
1103         break;
1104
1105     case 7:
1106         TCmoves = 80;
1107         TCminutes = 30;
1108         TCadd = 3000;
1109         break;
1110
1111     case 8:
1112         TCmoves = 1;
1113         TCminutes = 1;
1114         flag.onemove = true;
1115         break;
1116
1117     case 9:
1118         TCmoves = 1;
1119         TCminutes = 15;
1120         flag.onemove = true;
1121         break;
1122
1123     case 10:
1124         TCmoves = 1;
1125         TCminutes = 30;
1126         flag.onemove = true;
1127         break;
1128     }
1129
1130     TCflag = (TCmoves > 0);
1131
1132     TimeControl.clock[black] = TimeControl.clock[white] = 0;
1133
1134     SetTimeControl();
1135     Curses_ClearScreen();
1136     Curses_UpdateDisplay(0, 0, 1, 0);
1137 }
1138
1139
1140 static void
1141 Curses_DoDebug(void)
1142 {
1143     short c, p, sq, tp, tc, tsq, score;
1144     char s[40];
1145
1146     ExaminePosition(opponent);
1147     Curses_ShowMessage("Enter piece: ");
1148     FLUSH_SCANW("%s", s);
1149     c = neutral;
1150
1151     if ((s[0] == 'b') || (s[0] == 'B'))
1152         c = black;
1153
1154     if ((s[0] == 'w') || (s[0] == 'W'))
1155         c = white;
1156
1157     for (p = king; p > no_piece; p--)
1158     {
1159         if ((s[1] == pxx[p]) || (s[1] == qxx[p]))
1160             break;
1161     }
1162
1163     for (sq = 0; sq < NO_SQUARES; sq++)
1164     {
1165         tp = board[sq];
1166         tc = color[sq];
1167         board[sq] = p;
1168         color[sq] = c;
1169         tsq = PieceList[c][1];
1170         PieceList[c][1] = sq;
1171         Curses_ShowPostnValue(sq);
1172         PieceList[c][1] = tsq;
1173         board[sq] = tp;
1174         color[sq] = tc;
1175     }
1176
1177     score = ScorePosition(opponent);
1178     gotoXY(TAB, 5);
1179     printw("S%d m%d ps%d gt%c m%d ps%d gt%c", score,
1180            mtl[computer], pscore[computer], GameType[computer],
1181            mtl[opponent], pscore[opponent], GameType[opponent]);
1182
1183     ClearEoln();
1184 }
1185
1186
1187 static void
1188 Curses_DoTable(short table[NO_SQUARES])
1189 {
1190     short  sq;
1191     ExaminePosition(opponent);
1192
1193     for (sq = 0; sq < NO_SQUARES; sq++)
1194     {
1195         gotoXY(4 + 5 * VIR_C(sq), 5 + 2 * (7 - VIR_R(sq)));
1196         printw("%3d ", table[sq]);
1197     }
1198 }
1199
1200
1201 static void
1202 Curses_PollForInput(void)
1203 {
1204     int  i;
1205     int  nchar;
1206
1207     if ((i = ioctl((int) 0, FIONREAD, &nchar)))
1208     {
1209         perror("FIONREAD");
1210         fprintf(stderr,
1211                 "You probably have a non-ANSI <ioctl.h>; "
1212                 "see README. %d %d %x\n",
1213                 i, errno, FIONREAD);
1214         exit(1);
1215     }
1216
1217     if (nchar)
1218     {
1219         if (!flag.timeout)
1220             flag.back = true;
1221
1222         flag.bothsides = false;
1223     }
1224 }
1225
1226
1227 static void
1228 Curses_SetupBoard(void)
1229 {
1230     Curses_ShowMessage("'setup' command is not supported in Cursesmode");
1231 }
1232
1233
1234 struct display curses_display =
1235 {
1236     .ChangeAlphaWindow    = Curses_ChangeAlphaWindow,
1237     .ChangeBetaWindow     = Curses_ChangeBetaWindow,
1238     .ChangeHashDepth      = Curses_ChangeHashDepth,
1239     .ChangeSearchDepth    = Curses_ChangeSearchDepth,
1240     .ChangeXwindow        = Curses_ChangeXwindow,
1241     .ClearScreen          = Curses_ClearScreen,
1242     .DoDebug              = Curses_DoDebug,
1243     .DoTable              = Curses_DoTable,
1244     .EditBoard            = Curses_EditBoard,
1245     .ExitShogi            = Curses_ExitShogi,
1246     .GiveHint             = Curses_GiveHint,
1247     .Initialize           = Curses_Initialize,
1248     .ShowNodeCnt          = Curses_ShowNodeCnt,
1249     .OutputMove           = Curses_OutputMove,
1250     .PollForInput         = Curses_PollForInput,
1251     .SetContempt          = Curses_SetContempt,
1252     .SearchStartStuff     = Curses_SearchStartStuff,
1253     .SelectLevel          = Curses_SelectLevel,
1254     .ShowCurrentMove      = Curses_ShowCurrentMove,
1255     .ShowDepth            = Curses_ShowDepth,
1256     .ShowGameType         = Curses_ShowGameType,
1257     .ShowLine             = Curses_ShowLine,
1258     .ShowMessage          = Curses_ShowMessage,
1259     .AlwaysShowMessage    = Curses_AlwaysShowMessage,
1260     .Printf               = Curses_Printf,
1261     .doRequestInputString = Curses_doRequestInputString,
1262     .GetString            = Curses_GetString,
1263     .SetupBoard           = Curses_SetupBoard,
1264     .ShowPatternCount     = Curses_ShowPatternCount,
1265     .ShowPostnValue       = Curses_ShowPostnValue,
1266     .ShowPostnValues      = Curses_ShowPostnValues,
1267     .ShowPrompt           = Curses_ShowPrompt,
1268     .ShowResponseTime     = Curses_ShowResponseTime,
1269     .ShowResults          = Curses_ShowResults,
1270     .ShowSidetoMove       = Curses_ShowSidetoMove,
1271     .ShowStage            = Curses_ShowStage,
1272     .TerminateSearch      = Curses_TerminateSearch,
1273     .UpdateClocks         = Curses_UpdateClocks,
1274     .UpdateDisplay        = Curses_UpdateDisplay,
1275     .help                 = Curses_help,
1276 };