| 1 | This patch to GNU Go 2.6 allows it to play with the Go Text Protocol. |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | diff -u -N -r -x *\.orig -x *\.info* ./configure.in ../gnugo-2.6.1/gnugo-2.6.1/configure.in |
| 7 | --- ./configure.in Sun Feb 13 03:02:11 2000 |
| 8 | +++ ../gnugo-2.6.1/gnugo-2.6.1/configure.in Sat Aug 4 00:10:58 2001 |
| 9 | @@ -8,7 +8,7 @@ |
| 10 | AC_PREREQ(2.12)dnl dnl Minimum Autoconf version required. |
| 11 | |
| 12 | dnl this defines VERSION and PACKAGE |
| 13 | -AM_INIT_AUTOMAKE([gnugo], [2.6]) |
| 14 | +AM_INIT_AUTOMAKE([gnugo], [2.6.1]) |
| 15 | GNU_PACKAGE="GNU $PACKAGE" |
| 16 | AC_DEFINE_UNQUOTED(GNU_PACKAGE, "$GNU_PACKAGE") |
| 17 | |
| 18 | diff -u -N -r -x *\.orig -x *\.info* ./engine/liberty.h ../gnugo-2.6.1/gnugo-2.6.1/engine/liberty.h |
| 19 | --- ./engine/liberty.h Tue Feb 8 19:59:07 2000 |
| 20 | +++ ../gnugo-2.6.1/gnugo-2.6.1/engine/liberty.h Fri Aug 10 16:20:09 2001 |
| 21 | @@ -53,6 +53,7 @@ |
| 22 | #define WHITE 1 |
| 23 | #define BLACK 2 |
| 24 | #define GRAY_BORDER 3 |
| 25 | +#define GRAY 3 |
| 26 | #define WHITE_BORDER 4 |
| 27 | #define BLACK_BORDER 5 |
| 28 | #define NONE 6 /* for use with is_computer_player */ |
| 29 | @@ -138,8 +139,7 @@ |
| 30 | void restore_state(void); |
| 31 | int dragon_status(int i, int j); |
| 32 | void change_dragon_status(int x, int y, int status); |
| 33 | - |
| 34 | -void who_wins(int color, float fkomi, FILE* stdwhat); |
| 35 | +void who_wins(int color, float fkomi, FILE * stdwhat); |
| 36 | |
| 37 | /* data concerning a dragon. A copy is kept at each stone of the string */ |
| 38 | |
| 39 | @@ -362,6 +362,7 @@ |
| 40 | void find_cuts(void); |
| 41 | void find_connections(void); |
| 42 | void endgame(void); |
| 43 | +float estimate_score(float komi); |
| 44 | |
| 45 | /* various different strategies for finding a move */ |
| 46 | |
| 47 | diff -u -N -r -x *\.orig -x *\.info* ./engine/moyo.c ../gnugo-2.6.1/gnugo-2.6.1/engine/moyo.c |
| 48 | --- ./engine/moyo.c Tue Feb 8 19:59:07 2000 |
| 49 | +++ ../gnugo-2.6.1/gnugo-2.6.1/engine/moyo.c Fri Aug 10 16:21:10 2001 |
| 50 | @@ -2489,6 +2489,20 @@ |
| 51 | fprintf(stdwhat, "%c says \"I lost!\"\n", (color == WHITE) ? 'W' : 'B'); |
| 52 | } |
| 53 | |
| 54 | +float |
| 55 | +estimate_score(float fkomi) |
| 56 | +{ |
| 57 | + float white_score; |
| 58 | + float black_score; |
| 59 | + float result; |
| 60 | + |
| 61 | + make_moyo(BLACK); |
| 62 | + white_score = (float) terri_eval[WHITE] + fkomi; |
| 63 | + black_score = (float) terri_eval[BLACK]; |
| 64 | + result = white_score - black_score; |
| 65 | + return result; |
| 66 | +} |
| 67 | + |
| 68 | |
| 69 | |
| 70 | void |
| 71 | diff -u -N -r -x *\.orig -x *\.info* ./engine/reading.c ../gnugo-2.6.1/gnugo-2.6.1/engine/reading.c |
| 72 | --- ./engine/reading.c Tue Feb 8 19:59:07 2000 |
| 73 | +++ ../gnugo-2.6.1/gnugo-2.6.1/engine/reading.c Sat Aug 4 00:10:58 2001 |
| 74 | @@ -2732,9 +2732,6 @@ |
| 75 | { |
| 76 | int safe=0; |
| 77 | |
| 78 | - if (stackp == 0 && safe_move_cache_when[i][j][color==BLACK] == movenum) |
| 79 | - return safe_move_cache[i][j][color==BLACK]; |
| 80 | - |
| 81 | if (trymove(i, j, color, "safe_move", -1, -1)) { |
| 82 | int acode = attack(i, j, NULL, NULL); |
| 83 | if (acode != 1) |
| 84 | @@ -2742,10 +2739,6 @@ |
| 85 | popgo(); |
| 86 | } |
| 87 | |
| 88 | - if (stackp == 0) { |
| 89 | - safe_move_cache_when[i][j][color==BLACK] = movenum; |
| 90 | - safe_move_cache[i][j][color==BLACK] = safe; |
| 91 | - } |
| 92 | return safe; |
| 93 | } |
| 94 | |
| 95 | diff -u -N -r -x *\.orig -x *\.info* ./engine/sethand.c ../gnugo-2.6.1/gnugo-2.6.1/engine/sethand.c |
| 96 | --- ./engine/sethand.c Sat Feb 5 05:59:53 2000 |
| 97 | +++ ../gnugo-2.6.1/gnugo-2.6.1/engine/sethand.c Sat Aug 4 00:10:58 2001 |
| 98 | @@ -158,13 +158,16 @@ |
| 99 | if (handicap > maxhand) |
| 100 | handicap = maxhand; |
| 101 | |
| 102 | - sgfAddPropertyInt(sgf_root,"HA",handicap); |
| 103 | + if (sgf_root) |
| 104 | + sgfAddPropertyInt(sgf_root,"HA",handicap); |
| 105 | /* special cases: 5 and 7 */ |
| 106 | if (handicap == 5 || handicap == 7) { |
| 107 | p[mid][mid] = BLACK; |
| 108 | handicap--; |
| 109 | - sgfAddStone(sgf_root,BLACK,mid,mid); |
| 110 | - sgf_set_stone(mid,mid,BLACK); |
| 111 | + if (sgf_root) { |
| 112 | + sgfAddStone(sgf_root,BLACK,mid,mid); |
| 113 | + sgf_set_stone(mid,mid,BLACK); |
| 114 | + } |
| 115 | } |
| 116 | |
| 117 | for (x=0; x<handicap; ++x) { |
| 118 | @@ -185,8 +188,10 @@ |
| 119 | if ( j < 0) j += board_size-1; |
| 120 | |
| 121 | p[i][j] = BLACK; |
| 122 | - sgfAddStone(sgf_root,BLACK,i,j); |
| 123 | - sgf_set_stone(i,j,BLACK); |
| 124 | + if (sgf_root) { |
| 125 | + sgfAddStone(sgf_root,BLACK,i,j); |
| 126 | + sgf_set_stone(i,j,BLACK); |
| 127 | + } |
| 128 | } |
| 129 | return handicap; |
| 130 | } |
| 131 | diff -u -N -r -x *\.orig -x *\.info* ./engine/utils.c ../gnugo-2.6.1/gnugo-2.6.1/engine/utils.c |
| 132 | --- ./engine/utils.c Tue Feb 8 19:59:07 2000 |
| 133 | +++ ../gnugo-2.6.1/gnugo-2.6.1/engine/utils.c Sat Aug 4 00:10:58 2001 |
| 134 | @@ -349,7 +349,6 @@ |
| 135 | case 's': |
| 136 | { |
| 137 | char *s = va_arg(ap, char*); |
| 138 | - assert( (int)*s >= board_size ); /* in case %s used in place of %m */ |
| 139 | fputs(s, outputfile); |
| 140 | break; |
| 141 | } |
| 142 | diff -u -N -r -x *\.orig -x *\.info* ./interface/Makefile.am ../gnugo-2.6.1/gnugo-2.6.1/interface/Makefile.am |
| 143 | --- ./interface/Makefile.am Thu Feb 3 20:48:50 2000 |
| 144 | +++ ../gnugo-2.6.1/gnugo-2.6.1/interface/Makefile.am Sat Aug 4 00:10:58 2001 |
| 145 | @@ -26,7 +26,10 @@ |
| 146 | play_gmp.c \ |
| 147 | play_solo.c \ |
| 148 | play_test.c \ |
| 149 | - gmp.c |
| 150 | + play_gtp.c \ |
| 151 | + gmp.c \ |
| 152 | + gtp.c \ |
| 153 | + gtp.h |
| 154 | |
| 155 | AIXOPTS=-O -qmaxmem=16384 -qro -qroconst -qinfo |
| 156 | |
| 157 | diff -u -N -r -x *\.orig -x *\.info* ./interface/Makefile.in ../gnugo-2.6.1/gnugo-2.6.1/interface/Makefile.in |
| 158 | --- ./interface/Makefile.in Mon Feb 14 07:10:44 2000 |
| 159 | +++ ../gnugo-2.6.1/gnugo-2.6.1/interface/Makefile.in Tue Aug 14 01:17:57 2001 |
| 160 | @@ -88,7 +88,7 @@ |
| 161 | LDADD = ../engine/libengine.a ../patterns/libpatterns.a ../sgf/libsgf.a ../utils/libutils.a |
| 162 | |
| 163 | |
| 164 | -gnugo_SOURCES = main.c interface.c play_ascii.c play_gmp.c play_solo.c play_test.c gmp.c |
| 165 | +gnugo_SOURCES = main.c interface.c play_ascii.c play_gmp.c play_solo.c play_test.c play_gtp.c gmp.c gtp.c gtp.h |
| 166 | |
| 167 | |
| 168 | AIXOPTS = -O -qmaxmem=16384 -qro -qroconst -qinfo |
| 169 | @@ -104,7 +104,7 @@ |
| 170 | LDFLAGS = @LDFLAGS@ |
| 171 | LIBS = @LIBS@ |
| 172 | gnugo_OBJECTS = main.o interface.o play_ascii.o play_gmp.o play_solo.o \ |
| 173 | -play_test.o gmp.o |
| 174 | +play_test.o play_gtp.o gmp.o gtp.o |
| 175 | gnugo_LDADD = $(LDADD) |
| 176 | gnugo_DEPENDENCIES = ../engine/libengine.a ../patterns/libpatterns.a \ |
| 177 | ../sgf/libsgf.a ../utils/libutils.a |
| 178 | @@ -120,7 +120,7 @@ |
| 179 | |
| 180 | DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST) |
| 181 | |
| 182 | -TAR = tar |
| 183 | +TAR = gtar |
| 184 | GZIP_ENV = --best |
| 185 | SOURCES = $(gnugo_SOURCES) |
| 186 | OBJECTS = $(gnugo_OBJECTS) |
| 187 | @@ -229,6 +229,7 @@ |
| 188 | fi; \ |
| 189 | done |
| 190 | gmp.o: gmp.c ../config.h gmp.h |
| 191 | +gtp.o: gtp.c gtp.h |
| 192 | interface.o: interface.c ../config.h ../sgf/sgf.h ../engine/liberty.h \ |
| 193 | ../engine/hash.h interface.h ../engine/main.h |
| 194 | main.o: main.c ../config.h ../utils/getopt.h ../engine/main.h \ |
| 195 | @@ -241,6 +242,8 @@ |
| 196 | play_gmp.o: play_gmp.c interface.h ../engine/liberty.h ../config.h \ |
| 197 | ../engine/hash.h gmp.h ../sgf/sgf.h ../sgf/ttsgf.h \ |
| 198 | ../sgf/ttsgf_write.h ../sgf/sgfana.h |
| 199 | +play_gtp.o: play_gtp.c ../config.h ../engine/liberty.h ../engine/hash.h \ |
| 200 | + interface.h gtp.h |
| 201 | play_solo.o: play_solo.c ../config.h interface.h ../engine/liberty.h \ |
| 202 | ../engine/hash.h ../sgf/sgf.h ../sgf/sgf_properties.h \ |
| 203 | ../sgf/ttsgf_read.h ../sgf/ttsgf.h ../sgf/sgfana.h |
| 204 | diff -u -N -r -x *\.orig -x *\.info* ./interface/gtp.c ../gnugo-2.6.1/gnugo-2.6.1/interface/gtp.c |
| 205 | --- ./interface/gtp.c Thu Jan 1 00:00:00 1970 |
| 206 | +++ ../gnugo-2.6.1/gnugo-2.6.1/interface/gtp.c Tue Aug 14 00:50:36 2001 |
| 207 | @@ -0,0 +1,417 @@ |
| 208 | +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ |
| 209 | + * This is GNU Go, a Go program. Contact gnugo@gnu.org, or see * |
| 210 | + * http://www.gnu.org/software/gnugo/ for more information. * |
| 211 | + * * |
| 212 | + * To facilitate development of the Go Text Protocol, the two * |
| 213 | + * files gtp.c and gtp.h are licensed under less restrictive * |
| 214 | + * terms than the rest of GNU Go. * |
| 215 | + * * |
| 216 | + * Copyright 2001 by the Free Software Foundation. * |
| 217 | + * * |
| 218 | + * Permission is hereby granted, free of charge, to any person * |
| 219 | + * obtaining a copy of this file gtp.c, to deal in the Software * |
| 220 | + * without restriction, including without limitation the rights * |
| 221 | + * to use, copy, modify, merge, publish, distribute, and/or * |
| 222 | + * sell copies of the Software, and to permit persons to whom * |
| 223 | + * the Software is furnished to do so, provided that the above * |
| 224 | + * copyright notice(s) and this permission notice appear in all * |
| 225 | + * copies of the Software and that both the above copyright * |
| 226 | + * notice(s) and this permission notice appear in supporting * |
| 227 | + * documentation. * |
| 228 | + * * |
| 229 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY * |
| 230 | + * KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE * |
| 231 | + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * |
| 232 | + * PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO * |
| 233 | + * EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS * |
| 234 | + * NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR * |
| 235 | + * CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING * |
| 236 | + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF * |
| 237 | + * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT * |
| 238 | + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS * |
| 239 | + * SOFTWARE. * |
| 240 | + * * |
| 241 | + * Except as contained in this notice, the name of a copyright * |
| 242 | + * holder shall not be used in advertising or otherwise to * |
| 243 | + * promote the sale, use or other dealings in this Software * |
| 244 | + * without prior written authorization of the copyright holder. * |
| 245 | +\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 246 | + |
| 247 | +#include <stdio.h> |
| 248 | +#include <string.h> |
| 249 | +#include <ctype.h> |
| 250 | +#include <assert.h> |
| 251 | + |
| 252 | +#include "gtp.h" |
| 253 | + |
| 254 | +/* These are copied from gnugo.h. We don't include this file in order |
| 255 | + * to remain as independent as possible of GNU Go internals. |
| 256 | + */ |
| 257 | +#define EMPTY 0 |
| 258 | +#define WHITE 1 |
| 259 | +#define BLACK 2 |
| 260 | + |
| 261 | +/* We need to keep track of the board size in order to be able to |
| 262 | + * convert between coordinate descriptions. We could also have passed |
| 263 | + * the board size in all calls needing it, but that would be |
| 264 | + * unnecessarily inconvenient. |
| 265 | + */ |
| 266 | +static int gtp_boardsize = -1; |
| 267 | + |
| 268 | +/* Read stdin linewise and interpret as GTP commands. */ |
| 269 | +void |
| 270 | +gtp_main_loop(struct gtp_command commands[]) |
| 271 | +{ |
| 272 | + char line[GTP_BUFSIZE]; |
| 273 | + char command[GTP_BUFSIZE]; |
| 274 | + char *p; |
| 275 | + int i; |
| 276 | + int id; |
| 277 | + int n; |
| 278 | + int status = GTP_OK; |
| 279 | + |
| 280 | + while (status == GTP_OK) { |
| 281 | + /* Read a line from stdin. */ |
| 282 | + if (!fgets(line, GTP_BUFSIZE, stdin)) |
| 283 | + break; /* EOF or some error */ |
| 284 | + |
| 285 | + /* Remove comments. */ |
| 286 | + if ((p = strchr(line, '#')) != NULL) |
| 287 | + *p = 0; |
| 288 | + |
| 289 | + p = line; |
| 290 | + |
| 291 | + /* Look for an identification number. */ |
| 292 | + if (sscanf(p, "%d%n", &id, &n) == 1) |
| 293 | + p += n; |
| 294 | + else |
| 295 | + id = -1; /* No identification number. */ |
| 296 | + |
| 297 | + /* Look for command name. */ |
| 298 | + if (sscanf(p, " %s %n", command, &n) < 1) |
| 299 | + continue; /* Whitespace only on this line, ignore. */ |
| 300 | + p += n; |
| 301 | + |
| 302 | + /* Search the list of commands and call the corresponding function |
| 303 | + * if it's found. |
| 304 | + */ |
| 305 | + for (i = 0; commands[i].name != NULL; i++) { |
| 306 | + if (strcmp(command, commands[i].name) == 0) { |
| 307 | + status = (*commands[i].function)(p, id); |
| 308 | + break; |
| 309 | + } |
| 310 | + } |
| 311 | + if (commands[i].name == NULL) |
| 312 | + gtp_failure(id, "unknown command: '%s'", command); |
| 313 | + |
| 314 | + if (status == GTP_FATAL) |
| 315 | + gtp_panic(); |
| 316 | + } |
| 317 | +} |
| 318 | + |
| 319 | + |
| 320 | +/* Set the board size used in coordinate conversions. */ |
| 321 | +void |
| 322 | +gtp_internal_set_boardsize(int size) |
| 323 | +{ |
| 324 | + gtp_boardsize = size; |
| 325 | +} |
| 326 | + |
| 327 | +/* |
| 328 | + * This function works like printf, except that it only understands |
| 329 | + * very few of the standard formats, to be precise %c, %d, %f, %s. |
| 330 | + * But it also accepts %m, which takes two integers and writes a move, |
| 331 | + * and %C, which takes a color value and writes a color string. |
| 332 | + */ |
| 333 | +void |
| 334 | +gtp_mprintf(const char *fmt, ...) |
| 335 | +{ |
| 336 | + va_list ap; |
| 337 | + va_start(ap, fmt); |
| 338 | + |
| 339 | + for ( ; *fmt ; ++fmt ) { |
| 340 | + if (*fmt == '%') { |
| 341 | + switch (*++fmt) { |
| 342 | + case 'c': |
| 343 | + { |
| 344 | + /* rules of promotion => passed as int, not char */ |
| 345 | + int c = va_arg(ap, int); |
| 346 | + putc(c, stdout); |
| 347 | + break; |
| 348 | + } |
| 349 | + case 'd': |
| 350 | + { |
| 351 | + int d = va_arg(ap, int); |
| 352 | + fprintf(stdout, "%d", d); |
| 353 | + break; |
| 354 | + } |
| 355 | + case 'f': |
| 356 | + { |
| 357 | + double f = va_arg(ap, double); /* passed as double, not float */ |
| 358 | + fprintf(stdout, "%f", f); |
| 359 | + break; |
| 360 | + } |
| 361 | + case 's': |
| 362 | + { |
| 363 | + char *s = va_arg(ap, char*); |
| 364 | + fputs(s, stdout); |
| 365 | + break; |
| 366 | + } |
| 367 | + case 'm': |
| 368 | + { |
| 369 | + int m = va_arg(ap, int); |
| 370 | + int n = va_arg(ap, int); |
| 371 | + if (m == -1 && n == -1) |
| 372 | + fputs("PASS", stdout); |
| 373 | + else if ((m<0) || (n<0) || (m>=gtp_boardsize) || (n>=gtp_boardsize)) |
| 374 | + fprintf(stdout, "??"); |
| 375 | + else |
| 376 | + fprintf(stdout, "%c%d", 'A' + n + (n >= 8), gtp_boardsize - m); |
| 377 | + break; |
| 378 | + } |
| 379 | + case 'C': |
| 380 | + { |
| 381 | + int color = va_arg(ap, int); |
| 382 | + if (color == WHITE) |
| 383 | + fputs("white", stdout); |
| 384 | + else if (color == BLACK) |
| 385 | + fputs("black", stdout); |
| 386 | + else |
| 387 | + fputs("empty", stdout); |
| 388 | + break; |
| 389 | + } |
| 390 | + default: |
| 391 | + fprintf(stdout, "\n\nUnknown format character '%c'\n", *fmt); |
| 392 | + break; |
| 393 | + } |
| 394 | + } |
| 395 | + else |
| 396 | + putc(*fmt, stdout); |
| 397 | + } |
| 398 | + va_end(ap); |
| 399 | +} |
| 400 | + |
| 401 | + |
| 402 | +/* This currently works exactly like printf. */ |
| 403 | +void |
| 404 | +gtp_printf(const char *format, ...) |
| 405 | +{ |
| 406 | + va_list ap; |
| 407 | + va_start(ap, format); |
| 408 | + vfprintf(stdout, format, ap); |
| 409 | + va_end(ap); |
| 410 | +} |
| 411 | + |
| 412 | + |
| 413 | +/* Write success or failure indication plus identity number if one was |
| 414 | + * given. |
| 415 | + */ |
| 416 | +void |
| 417 | +gtp_printid(int id, int status) |
| 418 | +{ |
| 419 | + if (status == GTP_SUCCESS) |
| 420 | + gtp_printf("="); |
| 421 | + else |
| 422 | + gtp_printf("?"); |
| 423 | + |
| 424 | + if (id < 0) |
| 425 | + gtp_printf(" "); |
| 426 | + else |
| 427 | + gtp_printf("%d ", id); |
| 428 | +} |
| 429 | + |
| 430 | + |
| 431 | +/* Finish a GTP response by writing a double newline and returning GTP_OK. */ |
| 432 | +int |
| 433 | +gtp_finish_response() |
| 434 | +{ |
| 435 | + gtp_printf("\n\n"); |
| 436 | + return GTP_OK; |
| 437 | +} |
| 438 | + |
| 439 | + |
| 440 | +/* Write a full success response. Except for the id number, the call |
| 441 | + * is just like one to printf. |
| 442 | + */ |
| 443 | +int |
| 444 | +gtp_success(int id, const char *format, ...) |
| 445 | +{ |
| 446 | + va_list ap; |
| 447 | + gtp_printid(id, GTP_SUCCESS); |
| 448 | + va_start(ap, format); |
| 449 | + vfprintf(stdout, format, ap); |
| 450 | + va_end(ap); |
| 451 | + return gtp_finish_response(); |
| 452 | +} |
| 453 | + |
| 454 | + |
| 455 | +/* Write a full failure response. The call is identical to gtp_success. */ |
| 456 | +int |
| 457 | +gtp_failure(int id, const char *format, ...) |
| 458 | +{ |
| 459 | + va_list ap; |
| 460 | + gtp_printid(id, GTP_FAILURE); |
| 461 | + va_start(ap, format); |
| 462 | + vfprintf(stdout, format, ap); |
| 463 | + va_end(ap); |
| 464 | + return gtp_finish_response(); |
| 465 | +} |
| 466 | + |
| 467 | + |
| 468 | +/* Write a panic message. */ |
| 469 | +void |
| 470 | +gtp_panic() |
| 471 | +{ |
| 472 | + gtp_printf("! panic\n\n"); |
| 473 | +} |
| 474 | + |
| 475 | + |
| 476 | +/* Convert a string describing a color, "b", "black", "w", or "white", |
| 477 | + * to GNU Go's integer representation of colors. Return the number of |
| 478 | + * characters read from the string s. |
| 479 | + */ |
| 480 | +int |
| 481 | +gtp_decode_color(char *s, int *color) |
| 482 | +{ |
| 483 | + char color_string[7]; |
| 484 | + int i; |
| 485 | + int n; |
| 486 | + |
| 487 | + assert(gtp_boardsize > 0); |
| 488 | + |
| 489 | + if (sscanf(s, "%6s%n", color_string, &n) != 1) |
| 490 | + return 0; |
| 491 | + |
| 492 | + for (i = 0; i < (int) strlen(color_string); i++) |
| 493 | + color_string[i] = tolower((int) color_string[i]); |
| 494 | + |
| 495 | + if (strcmp(color_string, "b") == 0 |
| 496 | + || strcmp(color_string, "black") == 0) |
| 497 | + *color = BLACK; |
| 498 | + else if (strcmp(color_string, "w") == 0 |
| 499 | + || strcmp(color_string, "white") == 0) |
| 500 | + *color = WHITE; |
| 501 | + else |
| 502 | + return 0; |
| 503 | + |
| 504 | + return n; |
| 505 | +} |
| 506 | + |
| 507 | + |
| 508 | +/* Convert an intersection given by a string to two coordinates |
| 509 | + * according to GNU Go's convention. Return the number of characters |
| 510 | + * read from the string s. |
| 511 | + */ |
| 512 | +int |
| 513 | +gtp_decode_coord(char *s, int *i, int *j) |
| 514 | +{ |
| 515 | + char column; |
| 516 | + int row; |
| 517 | + int n; |
| 518 | + |
| 519 | + assert(gtp_boardsize > 0); |
| 520 | + |
| 521 | + if (sscanf(s, " %c%d%n", &column, &row, &n) != 2) |
| 522 | + return 0; |
| 523 | + |
| 524 | + if (tolower((int) column) == 'i') |
| 525 | + return 0; |
| 526 | + *j = tolower((int) column) - 'a'; |
| 527 | + if (tolower((int) column) > 'i') |
| 528 | + --*j; |
| 529 | + |
| 530 | + *i = gtp_boardsize - row; |
| 531 | + |
| 532 | + if (*i < 0 || *i >= gtp_boardsize || *j < 0 || *j >= gtp_boardsize) |
| 533 | + return 0; |
| 534 | + |
| 535 | + return n; |
| 536 | +} |
| 537 | + |
| 538 | +/* Convert a move, i.e. "b" or "w" followed by a vertex to a color and |
| 539 | + * coordinates. Return the number of characters read from the string |
| 540 | + * s. |
| 541 | + */ |
| 542 | +int |
| 543 | +gtp_decode_move(char *s, int *color, int *i, int *j) |
| 544 | +{ |
| 545 | + int n1, n2; |
| 546 | + |
| 547 | + assert(gtp_boardsize > 0); |
| 548 | + |
| 549 | + n1 = gtp_decode_color(s, color); |
| 550 | + if (n1 == 0) |
| 551 | + return 0; |
| 552 | + |
| 553 | + n2 = gtp_decode_coord(s + n1, i, j); |
| 554 | + if (n2 == 0) |
| 555 | + return 0; |
| 556 | + |
| 557 | + return n1 + n2; |
| 558 | +} |
| 559 | + |
| 560 | +/* This a bubble sort. Given the expected size of the sets to |
| 561 | + * sort, it's probably not worth the overhead to set up a call to |
| 562 | + * qsort. |
| 563 | + */ |
| 564 | +static void |
| 565 | +sort_moves(int n, int movei[], int movej[]) |
| 566 | +{ |
| 567 | + int b, a; |
| 568 | + for (b = n-1; b > 0; b--) { |
| 569 | + for (a = 0; a < b; a++) { |
| 570 | + if (movei[a] > movei[b] |
| 571 | + || (movei[a] == movei[b] && movej[a] > movej[b])) { |
| 572 | + int tmp; |
| 573 | + tmp = movei[b]; |
| 574 | + movei[b] = movei[a]; |
| 575 | + movei[a] = tmp; |
| 576 | + tmp = movej[b]; |
| 577 | + movej[b] = movej[a]; |
| 578 | + movej[a] = tmp; |
| 579 | + } |
| 580 | + } |
| 581 | + } |
| 582 | +} |
| 583 | + |
| 584 | +/* Write a number of space separated vertices. The moves are sorted |
| 585 | + * before being written. |
| 586 | + */ |
| 587 | +void |
| 588 | +gtp_print_vertices(int n, int movei[], int movej[]) |
| 589 | +{ |
| 590 | + int k; |
| 591 | + |
| 592 | + assert(gtp_boardsize > 0); |
| 593 | + |
| 594 | + sort_moves(n, movei, movej); |
| 595 | + for (k = 0; k < n; k++) { |
| 596 | + if (k > 0) |
| 597 | + gtp_printf(" "); |
| 598 | + if ((movei[k] == -1 && movej[k] == -1) |
| 599 | + || (movei[k] == gtp_boardsize && movej[k] == gtp_boardsize)) |
| 600 | + gtp_printf("PASS"); |
| 601 | + else if (movei[k] < 0 || movei[k] >= gtp_boardsize |
| 602 | + || movej[k] < 0 || movej[k] >= gtp_boardsize) { |
| 603 | + gtp_printf("?? %d %d", movei[k], movej[k]); |
| 604 | + } |
| 605 | + else |
| 606 | + gtp_printf("%c%d", 'A' + movej[k] + (movej[k] >= 8), |
| 607 | + gtp_boardsize - movei[k]); |
| 608 | + } |
| 609 | +} |
| 610 | + |
| 611 | +/* Write a single move. */ |
| 612 | +void |
| 613 | +gtp_print_vertex(int i, int j) |
| 614 | +{ |
| 615 | + gtp_print_vertices(1, &i, &j); |
| 616 | +} |
| 617 | + |
| 618 | + |
| 619 | +/* |
| 620 | + * Local Variables: |
| 621 | + * tab-width: 8 |
| 622 | + * c-basic-offset: 2 |
| 623 | + * End: |
| 624 | + */ |
| 625 | diff -u -N -r -x *\.orig -x *\.info* ./interface/gtp.h ../gnugo-2.6.1/gnugo-2.6.1/interface/gtp.h |
| 626 | --- ./interface/gtp.h Thu Jan 1 00:00:00 1970 |
| 627 | +++ ../gnugo-2.6.1/gnugo-2.6.1/interface/gtp.h Sat Aug 4 00:10:58 2001 |
| 628 | @@ -0,0 +1,83 @@ |
| 629 | +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ |
| 630 | + * This is GNU Go, a Go program. Contact gnugo@gnu.org, or see * |
| 631 | + * http://www.gnu.org/software/gnugo/ for more information. * |
| 632 | + * * |
| 633 | + * To facilitate development of the Go Text Protocol, the two * |
| 634 | + * files gtp.c and gtp.h are licensed under less restrictive * |
| 635 | + * terms than the rest of GNU Go. * |
| 636 | + * * |
| 637 | + * Copyright 2001 by the Free Software Foundation. * |
| 638 | + * * |
| 639 | + * Permission is hereby granted, free of charge, to any person * |
| 640 | + * obtaining a copy of this file gtp.h, to deal in the Software * |
| 641 | + * without restriction, including without limitation the rights * |
| 642 | + * to use, copy, modify, merge, publish, distribute, and/or * |
| 643 | + * sell copies of the Software, and to permit persons to whom * |
| 644 | + * the Software is furnished to do so, provided that the above * |
| 645 | + * copyright notice(s) and this permission notice appear in all * |
| 646 | + * copies of the Software and that both the above copyright * |
| 647 | + * notice(s) and this permission notice appear in supporting * |
| 648 | + * documentation. * |
| 649 | + * * |
| 650 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY * |
| 651 | + * KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE * |
| 652 | + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * |
| 653 | + * PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO * |
| 654 | + * EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS * |
| 655 | + * NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR * |
| 656 | + * CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING * |
| 657 | + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF * |
| 658 | + * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT * |
| 659 | + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS * |
| 660 | + * SOFTWARE. * |
| 661 | + * * |
| 662 | + * Except as contained in this notice, the name of a copyright * |
| 663 | + * holder shall not be used in advertising or otherwise to * |
| 664 | + * promote the sale, use or other dealings in this Software * |
| 665 | + * without prior written authorization of the copyright holder. * |
| 666 | +\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 667 | + |
| 668 | +#include <stdarg.h> |
| 669 | + |
| 670 | +/* Maximum allowed line length in GTP. */ |
| 671 | +#define GTP_BUFSIZE 1000 |
| 672 | + |
| 673 | +/* Status returned from callback functions. */ |
| 674 | +#define GTP_QUIT -1 |
| 675 | +#define GTP_OK 0 |
| 676 | +#define GTP_FATAL 1 |
| 677 | + |
| 678 | +/* Whether the GTP command was successful. */ |
| 679 | +#define GTP_SUCCESS 0 |
| 680 | +#define GTP_FAILURE 1 |
| 681 | + |
| 682 | +/* Function pointer for callback functions. */ |
| 683 | +typedef int (*gtp_fn_ptr)(char *s, int id); |
| 684 | + |
| 685 | +/* Elements in the array of commands required by gtp_main_loop. */ |
| 686 | +struct gtp_command { |
| 687 | + const char *name; |
| 688 | + gtp_fn_ptr function; |
| 689 | +}; |
| 690 | + |
| 691 | +void gtp_main_loop(struct gtp_command commands[]); |
| 692 | +void gtp_internal_set_boardsize(int size); |
| 693 | +void gtp_mprintf(const char *format, ...); |
| 694 | +void gtp_printf(const char *format, ...); |
| 695 | +void gtp_printid(int id, int status); |
| 696 | +int gtp_finish_response(void); |
| 697 | +int gtp_success(int id, const char *format, ...); |
| 698 | +int gtp_failure(int id, const char *format, ...); |
| 699 | +void gtp_panic(void); |
| 700 | +int gtp_decode_color(char *s, int *color); |
| 701 | +int gtp_decode_coord(char *s, int *m, int *n); |
| 702 | +int gtp_decode_move(char *s, int *color, int *i, int *j); |
| 703 | +void gtp_print_vertices(int n, int movei[], int movej[]); |
| 704 | +void gtp_print_vertex(int i, int j); |
| 705 | + |
| 706 | +/* |
| 707 | + * Local Variables: |
| 708 | + * tab-width: 8 |
| 709 | + * c-basic-offset: 2 |
| 710 | + * End: |
| 711 | + */ |
| 712 | diff -u -N -r -x *\.orig -x *\.info* ./interface/interface.c ../gnugo-2.6.1/gnugo-2.6.1/interface/interface.c |
| 713 | --- ./interface/interface.c Sat Feb 5 06:03:19 2000 |
| 714 | +++ ../gnugo-2.6.1/gnugo-2.6.1/interface/interface.c Tue Aug 14 00:49:58 2001 |
| 715 | @@ -326,14 +326,14 @@ |
| 716 | int |
| 717 | clear_board(board_t **board) |
| 718 | { |
| 719 | - if(board==NULL) |
| 720 | - { |
| 721 | + if (board==NULL) { |
| 722 | memset(p,EMPTY,sizeof(p)); |
| 723 | - } |
| 724 | - else |
| 725 | - { |
| 726 | - memset(board,EMPTY,MAX_BOARD*MAX_BOARD*sizeof(board_t)); |
| 727 | - } |
| 728 | + } |
| 729 | + else { |
| 730 | + memset(board,EMPTY,MAX_BOARD*MAX_BOARD*sizeof(board_t)); |
| 731 | + } |
| 732 | + white_captured = 0; |
| 733 | + black_captured = 0; |
| 734 | return 1; |
| 735 | } |
| 736 | |
| 737 | diff -u -N -r -x *\.orig -x *\.info* ./interface/interface.h ../gnugo-2.6.1/gnugo-2.6.1/interface/interface.h |
| 738 | --- ./interface/interface.h Sat Feb 5 06:03:25 2000 |
| 739 | +++ ../gnugo-2.6.1/gnugo-2.6.1/interface/interface.h Sat Aug 4 00:10:58 2001 |
| 740 | @@ -42,6 +42,7 @@ |
| 741 | void play_ascii(char * filename); |
| 742 | void play_ascii_emacs(char * filename); |
| 743 | void play_gmp(void); |
| 744 | +void play_gtp(void); |
| 745 | void play_solo(int); |
| 746 | void play_test(struct SGFNode *, enum testmode); |
| 747 | int load_sgf_file(struct SGFNode *, const char *untilstr); |
| 748 | diff -u -N -r -x *\.orig -x *\.info* ./interface/main.c ../gnugo-2.6.1/gnugo-2.6.1/interface/main.c |
| 749 | --- ./interface/main.c Sat Feb 12 04:37:42 2000 |
| 750 | +++ ../gnugo-2.6.1/gnugo-2.6.1/interface/main.c Sat Aug 4 00:10:58 2001 |
| 751 | @@ -79,7 +79,7 @@ |
| 752 | Usage : gnugo [-opts]\n\ |
| 753 | \n\ |
| 754 | Main Options:\n\ |
| 755 | - --mode <mode> Force the playing mode ('ascii', 'test' or 'gmp').\n\ |
| 756 | + --mode <mode> Select mode ('ascii', 'test, 'gmp', 'gtp').\n\ |
| 757 | Default is ASCII.\n\ |
| 758 | If no terminal is detected GMP (Go Modem Protocol)\n\ |
| 759 | will be assumed.\n\ |
| 760 | @@ -185,6 +185,7 @@ |
| 761 | MODE_ASCII, |
| 762 | MODE_ASCII_EMACS, |
| 763 | MODE_GMP, |
| 764 | + MODE_GTP, |
| 765 | MODE_SGF, |
| 766 | MODE_LOAD_AND_ANALYZE, |
| 767 | MODE_LOAD_AND_SCORE, |
| 768 | @@ -482,6 +483,7 @@ |
| 769 | if (strcmp(optarg,"ascii")==0) playmode = MODE_ASCII; |
| 770 | else if (strcmp(optarg,"emacs")==0) playmode = MODE_ASCII_EMACS; |
| 771 | else if (strcmp(optarg,"gmp")==0) playmode = MODE_GMP; |
| 772 | + else if (strcmp(optarg,"gtp")==0) playmode = MODE_GTP; |
| 773 | else if (strcmp(optarg,"test")==0) playmode = MODE_TEST; |
| 774 | else { |
| 775 | fprintf(stderr,"Invalid mode selection: %s\n",optarg); |
| 776 | @@ -718,6 +720,10 @@ |
| 777 | set_computer_player(NONE); |
| 778 | } |
| 779 | play_ascii_emacs(infile); |
| 780 | + break; |
| 781 | + |
| 782 | + case MODE_GTP: |
| 783 | + play_gtp(); |
| 784 | break; |
| 785 | |
| 786 | case MODE_ASCII : |
| 787 | diff -u -N -r -x *\.orig -x *\.info* ./interface/play_gtp.c ../gnugo-2.6.1/gnugo-2.6.1/interface/play_gtp.c |
| 788 | --- ./interface/play_gtp.c Thu Jan 1 00:00:00 1970 |
| 789 | +++ ../gnugo-2.6.1/gnugo-2.6.1/interface/play_gtp.c Tue Aug 14 01:16:03 2001 |
| 790 | @@ -0,0 +1,377 @@ |
| 791 | +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ |
| 792 | + * This is GNU Go, a Go program. Contact gnugo@gnu.org, or see * |
| 793 | + * http://www.gnu.org/software/gnugo/ for more information. * |
| 794 | + * * |
| 795 | + * Copyright 1999, 2000, 2001 by the Free Software Foundation. * |
| 796 | + * * |
| 797 | + * This program is free software; you can redistribute it and/or * |
| 798 | + * modify it under the terms of the GNU General Public License * |
| 799 | + * as published by the Free Software Foundation - version 3. * |
| 800 | + * * |
| 801 | + * This program is distributed in the hope that it will be * |
| 802 | + * useful, but WITHOUT ANY WARRANTY; without even the implied * |
| 803 | + * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * |
| 804 | + * PURPOSE. See the GNU General Public License in file COPYING * |
| 805 | + * for more details. * |
| 806 | + * * |
| 807 | + * You should have received a copy of the GNU General Public * |
| 808 | + * License along with this program; if not, write to the Free * |
| 809 | + * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * |
| 810 | + * Boston, MA 02111, USA. * |
| 811 | +\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 812 | + |
| 813 | +#ifdef HAVE_CONFIG_H |
| 814 | +#include <config.h> |
| 815 | +#endif |
| 816 | + |
| 817 | +#include <stdio.h> |
| 818 | +#include <assert.h> |
| 819 | +#include <ctype.h> |
| 820 | +#include <string.h> |
| 821 | + |
| 822 | +#include "liberty.h" |
| 823 | +#include "interface.h" |
| 824 | +#include "gtp.h" |
| 825 | + |
| 826 | +#define MAXLIBS (2*(MAX_BOARD*MAX_BOARD + 1)/3) |
| 827 | +#define UNUSED(x) x=x |
| 828 | + |
| 829 | +/* Internal state that's not part of the engine. */ |
| 830 | +int color_to_move; |
| 831 | +float komi; |
| 832 | +int handicap; |
| 833 | + |
| 834 | +#define DECLARE(func) static int func(char *s, int id) |
| 835 | + |
| 836 | +DECLARE(gtp_fixed_handicap); |
| 837 | +DECLARE(gtp_genmove_black); |
| 838 | +DECLARE(gtp_genmove_white); |
| 839 | +DECLARE(gtp_name); |
| 840 | +DECLARE(gtp_estimate_score); |
| 841 | +DECLARE(gtp_playblack); |
| 842 | +DECLARE(gtp_playwhite); |
| 843 | +DECLARE(gtp_quit); |
| 844 | +DECLARE(gtp_set_boardsize); |
| 845 | +DECLARE(gtp_set_komi); |
| 846 | +DECLARE(gtp_showboard); |
| 847 | +DECLARE(gtp_version); |
| 848 | +DECLARE(gtp_help); |
| 849 | +float estimate_score(float komi); |
| 850 | + |
| 851 | +void play_gtp(void); |
| 852 | + |
| 853 | +/* List of known commands. */ |
| 854 | +static struct gtp_command commands[] = { |
| 855 | + {"black", gtp_playblack}, |
| 856 | + {"boardsize", gtp_set_boardsize}, |
| 857 | + {"fixed_handicap", gtp_fixed_handicap}, |
| 858 | + {"genmove_black", gtp_genmove_black}, |
| 859 | + {"genmove_white", gtp_genmove_white}, |
| 860 | + {"help", gtp_help}, |
| 861 | + {"komi", gtp_set_komi}, |
| 862 | + {"name", gtp_name}, |
| 863 | + {"estimate_score", gtp_estimate_score}, |
| 864 | + {"quit", gtp_quit}, |
| 865 | + {"showboard", gtp_showboard}, |
| 866 | + {"version", gtp_version}, |
| 867 | + {"white", gtp_playwhite}, |
| 868 | + {NULL, NULL} |
| 869 | +}; |
| 870 | + |
| 871 | + |
| 872 | +/* Start playing using the Go Text Protocol. */ |
| 873 | +void |
| 874 | +play_gtp(void) |
| 875 | +{ |
| 876 | + /* Try to make sure that we have a useful level of buffering of stdout. */ |
| 877 | +#ifdef HAVE_SETLINEBUF |
| 878 | + setlinebuf(stdout); |
| 879 | +#else |
| 880 | + setbuf(stdout, NULL); |
| 881 | +#endif |
| 882 | + |
| 883 | + gtp_internal_set_boardsize(19); |
| 884 | + |
| 885 | + gtp_main_loop(commands); |
| 886 | +} |
| 887 | + |
| 888 | + |
| 889 | +/* Function: Quit |
| 890 | + * Arguments: none |
| 891 | + * Fails: never |
| 892 | + * Returns: nothing |
| 893 | + */ |
| 894 | +static int |
| 895 | +gtp_quit(char *s, int id) |
| 896 | +{ |
| 897 | + UNUSED(s); |
| 898 | + gtp_success(id, ""); |
| 899 | + return GTP_QUIT; |
| 900 | +} |
| 901 | + |
| 902 | + |
| 903 | +/**************************** |
| 904 | + * Program identity. * |
| 905 | + ****************************/ |
| 906 | + |
| 907 | +/* Function: Report the name of the program. |
| 908 | + * Arguments: none |
| 909 | + * Fails: never |
| 910 | + * Returns: program name |
| 911 | + */ |
| 912 | +static int |
| 913 | +gtp_name(char *s, int id) |
| 914 | +{ |
| 915 | + UNUSED(s); |
| 916 | + return gtp_success(id, "GNU Go"); |
| 917 | +} |
| 918 | + |
| 919 | + |
| 920 | +/* Function: Report the version number of the program. |
| 921 | + * Arguments: none |
| 922 | + * Fails: never |
| 923 | + * Returns: version number |
| 924 | + */ |
| 925 | +static int |
| 926 | +gtp_version(char *s, int id) |
| 927 | +{ |
| 928 | + UNUSED(s); |
| 929 | + return gtp_success(id, VERSION); |
| 930 | +} |
| 931 | + |
| 932 | + |
| 933 | +/* Function: Set the board size to NxN and clear the board. |
| 934 | + * Arguments: integer |
| 935 | + * Fails: board size outside engine's limits |
| 936 | + * Returns: nothing |
| 937 | + */ |
| 938 | +static int |
| 939 | +gtp_set_boardsize(char *s, int id) |
| 940 | +{ |
| 941 | + int boardsize; |
| 942 | + if (sscanf(s, "%d", &boardsize) < 1) |
| 943 | + return gtp_failure(id, "boardsize not an integer"); |
| 944 | + |
| 945 | + if (boardsize < MIN_BOARD || boardsize > MAX_BOARD) |
| 946 | + return gtp_failure(id, "unacceptable boardsize"); |
| 947 | + |
| 948 | + set_boardsize(boardsize); |
| 949 | + clear_board(NULL); |
| 950 | + gtp_internal_set_boardsize(boardsize); |
| 951 | + return gtp_success(id, ""); |
| 952 | +} |
| 953 | + |
| 954 | + |
| 955 | +/* Function: Set the komi. |
| 956 | + * Arguments: float |
| 957 | + * Fails: incorrect argument |
| 958 | + * Returns: nothing |
| 959 | + */ |
| 960 | +static int |
| 961 | +gtp_set_komi(char *s, int id) |
| 962 | +{ |
| 963 | + if (sscanf(s, "%f", &komi) < 1) |
| 964 | + return gtp_failure(id, "komi not a float"); |
| 965 | + |
| 966 | + return gtp_success(id, ""); |
| 967 | +} |
| 968 | + |
| 969 | + |
| 970 | +/* Function: Play a black stone at the given vertex. |
| 971 | + * Arguments: vertex |
| 972 | + * Fails: invalid vertex, illegal move |
| 973 | + * Returns: nothing |
| 974 | + */ |
| 975 | +static int |
| 976 | +gtp_playblack(char *s, int id) |
| 977 | +{ |
| 978 | + int i, j; |
| 979 | + char *c; |
| 980 | + |
| 981 | + for (c = s; *c; c++) |
| 982 | + *c = tolower(*c); |
| 983 | + |
| 984 | + if (strncmp(s, "pass", 4) == 0) { |
| 985 | + i = get_boardsize(); |
| 986 | + j = get_boardsize(); |
| 987 | + } |
| 988 | + else if (!gtp_decode_coord(s, &i, &j)) |
| 989 | + return gtp_failure(id, "invalid coordinate"); |
| 990 | + |
| 991 | + if (!legal(i, j, BLACK)) |
| 992 | + return gtp_failure(id, "illegal move"); |
| 993 | + |
| 994 | + updateboard(i, j, BLACK); |
| 995 | + return gtp_success(id, ""); |
| 996 | +} |
| 997 | + |
| 998 | + |
| 999 | +/* Function: Play a white stone at the given vertex. |
| 1000 | + * Arguments: vertex |
| 1001 | + * Fails: invalid vertex, illegal move |
| 1002 | + * Returns: nothing |
| 1003 | + */ |
| 1004 | +static int |
| 1005 | +gtp_playwhite(char *s, int id) |
| 1006 | +{ |
| 1007 | + int i, j; |
| 1008 | + char *c; |
| 1009 | + |
| 1010 | + for (c = s; *c; c++) |
| 1011 | + *c = tolower(*c); |
| 1012 | + |
| 1013 | + if (strncmp(s, "pass", 4) == 0) { |
| 1014 | + i = get_boardsize(); |
| 1015 | + j = get_boardsize(); |
| 1016 | + } |
| 1017 | + else if (!gtp_decode_coord(s, &i, &j)) |
| 1018 | + return gtp_failure(id, "invalid coordinate"); |
| 1019 | + |
| 1020 | + if (!legal(i, j, WHITE)) |
| 1021 | + return gtp_failure(id, "illegal move"); |
| 1022 | + |
| 1023 | + updateboard(i, j, WHITE); |
| 1024 | + return gtp_success(id, ""); |
| 1025 | +} |
| 1026 | + |
| 1027 | + |
| 1028 | +/* Function: Set up fixed placement handicap stones. |
| 1029 | + * Arguments: number of handicap stones |
| 1030 | + * Fails: invalid number of stones for the current boardsize |
| 1031 | + * Returns: list of vertices with handicap stones |
| 1032 | + */ |
| 1033 | +static int |
| 1034 | +gtp_fixed_handicap(char *s, int id) |
| 1035 | +{ |
| 1036 | + int m, n; |
| 1037 | + int first = 1; |
| 1038 | + int handicap; |
| 1039 | + if (sscanf(s, "%d", &handicap) < 1) |
| 1040 | + return gtp_failure(id, "handicap not an integer"); |
| 1041 | + |
| 1042 | + clear_board(NULL); |
| 1043 | + if (sethand(handicap) != handicap) |
| 1044 | + return gtp_failure(id, "invalid handicap"); |
| 1045 | + |
| 1046 | + gtp_printid(id, GTP_SUCCESS); |
| 1047 | + |
| 1048 | + for (m = 0; m < board_size; m++) |
| 1049 | + for (n = 0; n < board_size; n++) |
| 1050 | + if (p[m][n] != EMPTY) { |
| 1051 | + if (!first) |
| 1052 | + gtp_printf(" "); |
| 1053 | + else |
| 1054 | + first = 0; |
| 1055 | + gtp_mprintf("%m", m, n); |
| 1056 | + } |
| 1057 | + |
| 1058 | + return gtp_finish_response(); |
| 1059 | +} |
| 1060 | + |
| 1061 | + |
| 1062 | +/* Function: Generate and play the supposedly best black move. |
| 1063 | + * Arguments: none |
| 1064 | + * Fails: never |
| 1065 | + * Returns: a move coordinate (or "PASS") |
| 1066 | + */ |
| 1067 | +static int |
| 1068 | +gtp_genmove_black(char *s, int id) |
| 1069 | +{ |
| 1070 | + int i, j; |
| 1071 | + UNUSED(s); |
| 1072 | + |
| 1073 | + if (genmove(&i, &j, BLACK) >= 0) |
| 1074 | + updateboard(i, j, BLACK); |
| 1075 | + |
| 1076 | + gtp_printid(id, GTP_SUCCESS); |
| 1077 | + gtp_print_vertex(i, j); |
| 1078 | + return gtp_finish_response(); |
| 1079 | +} |
| 1080 | + |
| 1081 | + |
| 1082 | + |
| 1083 | + |
| 1084 | +/* Function: Generate and play the supposedly best white move. |
| 1085 | + * Arguments: none |
| 1086 | + * Fails: never |
| 1087 | + * Returns: a move coordinate (or "PASS") |
| 1088 | + */ |
| 1089 | +static int |
| 1090 | +gtp_genmove_white(char *s, int id) |
| 1091 | +{ |
| 1092 | + int i, j; |
| 1093 | + UNUSED(s); |
| 1094 | + if (genmove(&i, &j, WHITE) >= 0) |
| 1095 | + updateboard(i, j, WHITE); |
| 1096 | + |
| 1097 | + gtp_printid(id, GTP_SUCCESS); |
| 1098 | + gtp_print_vertex(i, j); |
| 1099 | + return gtp_finish_response(); |
| 1100 | +} |
| 1101 | + |
| 1102 | +static int |
| 1103 | +gtp_estimate_score(char *s, int id) |
| 1104 | +{ |
| 1105 | + int i, j; |
| 1106 | + float score; |
| 1107 | + UNUSED(s); |
| 1108 | + |
| 1109 | + genmove(&i, &j, BLACK); |
| 1110 | + score = estimate_score(komi); |
| 1111 | + |
| 1112 | + gtp_printid(id, GTP_SUCCESS); |
| 1113 | + if (score > 0.0) |
| 1114 | + gtp_printf("W+%3.1f (upper bound: %3.1f, lower: %3.1f)", |
| 1115 | + score, score, score); |
| 1116 | + else if (score < 0.0) |
| 1117 | + gtp_printf("B+%3.1f (upper bound: %3.1f, lower: %3.1f)", |
| 1118 | + -score, score, score); |
| 1119 | + else |
| 1120 | + gtp_printf("0"); |
| 1121 | + return gtp_finish_response(); |
| 1122 | +} |
| 1123 | + |
| 1124 | + |
| 1125 | +/* Function: Write the position to stderr. |
| 1126 | + * Arguments: none |
| 1127 | + * Fails: never |
| 1128 | + * Returns: nothing |
| 1129 | + */ |
| 1130 | +static int |
| 1131 | +gtp_showboard(char *s, int id) |
| 1132 | +{ |
| 1133 | + UNUSED(s); |
| 1134 | + showboard(1); |
| 1135 | + return gtp_success(id, ""); |
| 1136 | +} |
| 1137 | + |
| 1138 | + |
| 1139 | +/* Function: List all known commands |
| 1140 | + * Arguments: none |
| 1141 | + * Fails: never |
| 1142 | + * Returns: list of known commands, one per line |
| 1143 | + */ |
| 1144 | +static int |
| 1145 | +gtp_help(char *s, int id) |
| 1146 | +{ |
| 1147 | + int k; |
| 1148 | + UNUSED(s); |
| 1149 | + |
| 1150 | + gtp_printid(id, GTP_SUCCESS); |
| 1151 | + |
| 1152 | + for (k = 0; commands[k].name != NULL; k++) |
| 1153 | + gtp_printf("%s\n", commands[k].name); |
| 1154 | + |
| 1155 | + gtp_printf("\n"); |
| 1156 | + return GTP_OK; |
| 1157 | +} |
| 1158 | + |
| 1159 | + |
| 1160 | + |
| 1161 | + |
| 1162 | +/* |
| 1163 | + * Local Variables: |
| 1164 | + * tab-width: 8 |
| 1165 | + * c-basic-offset: 2 |
| 1166 | + * End: |
| 1167 | + */ |