| 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ |
| 2 | * This is GNU Go, a Go program. Contact gnugo@gnu.org, or see * |
| 3 | * http://www.gnu.org/software/gnugo/ for more information. * |
| 4 | * * |
| 5 | * Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, * |
| 6 | * 2008 and 2009 by the Free Software Foundation. * |
| 7 | * * |
| 8 | * This program is free software; you can redistribute it and/or * |
| 9 | * modify it under the terms of the GNU General Public License as * |
| 10 | * published by the Free Software Foundation - version 3 or * |
| 11 | * (at your option) any later version. * |
| 12 | * * |
| 13 | * This program is distributed in the hope that it will be useful, * |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 16 | * GNU General Public License in file COPYING for more details. * |
| 17 | * * |
| 18 | * You should have received a copy of the GNU General Public * |
| 19 | * License along with this program; if not, write to the Free * |
| 20 | * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * |
| 21 | * Boston, MA 02111, USA. * |
| 22 | \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 23 | |
| 24 | #include "gnugo.h" |
| 25 | |
| 26 | #include <ctype.h> |
| 27 | #include <stdbool.h> |
| 28 | #include <stdio.h> |
| 29 | #include <stdlib.h> |
| 30 | #include <string.h> |
| 31 | |
| 32 | #if READLINE |
| 33 | #include <readline/history.h> |
| 34 | #include <readline/readline.h> |
| 35 | #endif |
| 36 | |
| 37 | #include "gg_utils.h" |
| 38 | #include "interface.h" |
| 39 | #include "liberty.h" |
| 40 | #include "sgftree.h" |
| 41 | |
| 42 | #define DEBUG_COMMANDS "\ |
| 43 | capture <pos> try to capture indicated group\n\ |
| 44 | dead Toggle display of dead stones\n\ |
| 45 | defend <pos> try to defend indicated group\n\ |
| 46 | listdragons print dragon info \n\ |
| 47 | showarea display area\n\ |
| 48 | showdragons display dragons\n\ |
| 49 | showmoyo display moyo\n\ |
| 50 | showterri display territory\n\ |
| 51 | " |
| 52 | |
| 53 | /* ANSI color codes */ |
| 54 | #define RESETCOLOR "\x1B[0m" |
| 55 | #define WHITECOLOR "\x1B[41m" |
| 56 | #define BLACKCOLOR "\x1B[44m" |
| 57 | #define TILE1COLOR "\x1B[47m" |
| 58 | #define TILE2COLOR "\x1B[107m" |
| 59 | #define TILE3COLOR "\x1B[43m" |
| 60 | |
| 61 | /* some options for the twoplayer interface */ |
| 62 | static int opt_showboard = 1; |
| 63 | static int showdead = 0; |
| 64 | static SGFTree sgftree; |
| 65 | static int resignation_allowed; |
| 66 | |
| 67 | static int clock_on = 0; |
| 68 | |
| 69 | /* Unreasonable score used to detect missing information. */ |
| 70 | #define NO_SCORE 4711 |
| 71 | /* Keep track of the score estimated before the last computer move. */ |
| 72 | static int current_score_estimate = NO_SCORE; |
| 73 | |
| 74 | static void do_play_twoplayer(Gameinfo* gameinfo); |
| 75 | static int twoplayer_endgame(Gameinfo* gameinfo, int reason); |
| 76 | static void twoplayer_count(Gameinfo* gameinfo); |
| 77 | static void showcapture(char* line); |
| 78 | static void showdefense(char* line); |
| 79 | static void twoplayer_goto(Gameinfo* gameinfo, char* line); |
| 80 | static void twoplayer_free_handicap(Gameinfo* gameinfo, char* handicap_string); |
| 81 | |
| 82 | /* If sgf game info is written can't reset parameters like handicap, etc. */ |
| 83 | static int sgf_initialized; |
| 84 | |
| 85 | /* |
| 86 | * Create letterbar for the top and bottom of the ANSI board. |
| 87 | */ |
| 88 | |
| 89 | static void |
| 90 | make_letterbar(int boardsize, char* letterbar) |
| 91 | { |
| 92 | int i, letteroffset; |
| 93 | char spaces[64]; |
| 94 | char letter[64]; |
| 95 | |
| 96 | if (boardsize <= 25) |
| 97 | strcpy(spaces, " "); |
| 98 | strcpy(letterbar, " "); |
| 99 | |
| 100 | for (i = 0; i < boardsize; i++) { |
| 101 | letteroffset = 'A'; |
| 102 | if (i + letteroffset >= 'I') |
| 103 | letteroffset++; |
| 104 | strcat(letterbar, spaces); |
| 105 | sprintf(letter, "%c", i + letteroffset); |
| 106 | strcat(letterbar, letter); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | /* This array contains +'s and -'s for the empty board positions. |
| 111 | * hspot_size contains the board size that the grid has been |
| 112 | * initialized to. |
| 113 | */ |
| 114 | |
| 115 | static int hspot_size; |
| 116 | static char hspots[MAX_BOARD][MAX_BOARD]; |
| 117 | |
| 118 | /* |
| 119 | * Mark the handicap spots on the board. |
| 120 | */ |
| 121 | |
| 122 | static void |
| 123 | set_handicap_spots(int boardsize) |
| 124 | { |
| 125 | if (hspot_size == boardsize) |
| 126 | return; |
| 127 | |
| 128 | hspot_size = boardsize; |
| 129 | |
| 130 | memset(hspots, '.', sizeof(hspots)); |
| 131 | |
| 132 | if (boardsize == 5) { |
| 133 | /* place the outer 4 */ |
| 134 | hspots[1][1] = '+'; |
| 135 | hspots[boardsize - 2][1] = '+'; |
| 136 | hspots[1][boardsize - 2] = '+'; |
| 137 | hspots[boardsize - 2][boardsize - 2] = '+'; |
| 138 | /* and the middle one */ |
| 139 | hspots[boardsize / 2][boardsize / 2] = '+'; |
| 140 | return; |
| 141 | } |
| 142 | |
| 143 | if (!(boardsize % 2)) { |
| 144 | /* If the board size is even, no center handicap spots. */ |
| 145 | if (boardsize > 2 && boardsize < 12) { |
| 146 | /* Place the outer 4 only. */ |
| 147 | hspots[2][2] = '+'; |
| 148 | hspots[boardsize - 3][2] = '+'; |
| 149 | hspots[2][boardsize - 3] = '+'; |
| 150 | hspots[boardsize - 3][boardsize - 3] = '+'; |
| 151 | } else { |
| 152 | /* Place the outer 4 only. */ |
| 153 | hspots[3][3] = '+'; |
| 154 | hspots[boardsize - 4][3] = '+'; |
| 155 | hspots[3][boardsize - 4] = '+'; |
| 156 | hspots[boardsize - 4][boardsize - 4] = '+'; |
| 157 | } |
| 158 | } else { |
| 159 | /* Uneven board size */ |
| 160 | if (boardsize > 2 && boardsize < 12) { |
| 161 | /* Place the outer 4... */ |
| 162 | hspots[2][2] = '+'; |
| 163 | hspots[boardsize - 3][2] = '+'; |
| 164 | hspots[2][boardsize - 3] = '+'; |
| 165 | hspots[boardsize - 3][boardsize - 3] = '+'; |
| 166 | |
| 167 | /* ...and the middle one. */ |
| 168 | hspots[boardsize / 2][boardsize / 2] = '+'; |
| 169 | } else if (boardsize > 12) { |
| 170 | /* Place the outer 4... */ |
| 171 | hspots[3][3] = '+'; |
| 172 | hspots[boardsize - 4][3] = '+'; |
| 173 | hspots[3][boardsize - 4] = '+'; |
| 174 | hspots[boardsize - 4][boardsize - 4] = '+'; |
| 175 | |
| 176 | /* ...and the inner 4... */ |
| 177 | hspots[3][boardsize / 2] = '+'; |
| 178 | hspots[boardsize / 2][3] = '+'; |
| 179 | hspots[boardsize / 2][boardsize - 4] = '+'; |
| 180 | hspots[boardsize - 4][boardsize / 2] = '+'; |
| 181 | |
| 182 | /* ...and the middle one. */ |
| 183 | hspots[boardsize / 2][boardsize / 2] = '+'; |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | return; |
| 188 | } |
| 189 | |
| 190 | /* |
| 191 | * Display the board position when playing in ANSI. |
| 192 | */ |
| 193 | |
| 194 | static void |
| 195 | twoplayer_showboard(void) |
| 196 | { |
| 197 | int i, j; |
| 198 | char letterbar[64]; |
| 199 | int last_pos_was_move; |
| 200 | int pos_is_move; |
| 201 | int dead; |
| 202 | int last_move = get_last_move(); |
| 203 | |
| 204 | make_letterbar(board_size, letterbar); |
| 205 | set_handicap_spots(board_size); |
| 206 | |
| 207 | printf("\n"); |
| 208 | printf(" White (" WHITECOLOR " " RESETCOLOR ") has captured %d pieces\n", black_captured); |
| 209 | printf(" Black (" BLACKCOLOR " " RESETCOLOR ") has captured %d pieces\n", white_captured); |
| 210 | if (showscore) { |
| 211 | if (current_score_estimate == NO_SCORE) |
| 212 | printf(" No score estimate is available yet.\n"); |
| 213 | else if (current_score_estimate < 0) |
| 214 | printf(" Estimated score: Black is ahead by %d\n", |
| 215 | -current_score_estimate); |
| 216 | else if (current_score_estimate > 0) |
| 217 | printf(" Estimated score: White is ahead by %d\n", |
| 218 | current_score_estimate); |
| 219 | else |
| 220 | printf(" Estimated score: Even!\n"); |
| 221 | } |
| 222 | |
| 223 | printf("\n"); |
| 224 | |
| 225 | fflush(stdout); |
| 226 | printf("%s", letterbar); |
| 227 | |
| 228 | if (get_last_player() != EMPTY) { |
| 229 | gfprintf(stdout, " Last move: %s %1m", |
| 230 | get_last_player() == WHITE ? "White" : "Black", |
| 231 | last_move); |
| 232 | } |
| 233 | |
| 234 | printf("\n"); |
| 235 | fflush(stdout); |
| 236 | |
| 237 | for (i = 0; i < board_size; i++) { |
| 238 | printf(" %2d", board_size - i); |
| 239 | last_pos_was_move = 0; |
| 240 | for (j = 0; j < board_size; j++) { |
| 241 | if (POS(i, j) == last_move) |
| 242 | pos_is_move = 128; |
| 243 | else |
| 244 | pos_is_move = 0; |
| 245 | dead = (dragon_status(POS(i, j)) == DEAD) && showdead; |
| 246 | switch (BOARD(i, j) + pos_is_move + last_pos_was_move) { |
| 247 | case BLACK: |
| 248 | case BLACK + 256: |
| 249 | printf(BLACKCOLOR " " RESETCOLOR); |
| 250 | last_pos_was_move = 0; |
| 251 | break; |
| 252 | case WHITE: |
| 253 | case WHITE + 256: |
| 254 | printf(WHITECOLOR " " RESETCOLOR); |
| 255 | last_pos_was_move = 0; |
| 256 | break; |
| 257 | case BLACK + 128: |
| 258 | printf(BLACKCOLOR "()" RESETCOLOR); |
| 259 | last_pos_was_move = 0; |
| 260 | break; |
| 261 | case WHITE + 128: |
| 262 | printf(WHITECOLOR "()" RESETCOLOR); |
| 263 | last_pos_was_move = 0; |
| 264 | break; |
| 265 | case EMPTY: |
| 266 | case EMPTY + 128: |
| 267 | case EMPTY + 256: |
| 268 | if (i % 2 == 0) { |
| 269 | if (j % 2 == 0) { |
| 270 | printf(TILE1COLOR " " RESETCOLOR); |
| 271 | } else { |
| 272 | printf(TILE2COLOR " " RESETCOLOR); |
| 273 | } |
| 274 | } else { |
| 275 | if (j % 2 == 0) { |
| 276 | printf(TILE2COLOR " " RESETCOLOR); |
| 277 | } else { |
| 278 | printf(TILE1COLOR " " RESETCOLOR); |
| 279 | } |
| 280 | } |
| 281 | last_pos_was_move = 0; |
| 282 | break; |
| 283 | default: |
| 284 | fprintf(stderr, "Illegal board value %d\n", (int)BOARD(i, j)); |
| 285 | exit(EXIT_FAILURE); |
| 286 | break; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | if (last_pos_was_move == 0) { |
| 291 | if (board_size > 10) |
| 292 | printf(" %2d", board_size - i); |
| 293 | else |
| 294 | printf(" %1d", board_size - i); |
| 295 | } else { |
| 296 | if (board_size > 10) |
| 297 | printf("%2d", board_size - i); |
| 298 | else |
| 299 | printf("%1d", board_size - i); |
| 300 | } |
| 301 | printf("\n"); |
| 302 | } |
| 303 | |
| 304 | fflush(stdout); |
| 305 | printf("%s\n\n", letterbar); |
| 306 | fflush(stdout); |
| 307 | |
| 308 | if (clock_on) { |
| 309 | clock_print(WHITE); |
| 310 | clock_print(BLACK); |
| 311 | } |
| 312 | |
| 313 | } /* end twoplayer_showboard */ |
| 314 | |
| 315 | /* |
| 316 | * command help |
| 317 | */ |
| 318 | |
| 319 | static void |
| 320 | show_commands(void) |
| 321 | { |
| 322 | printf("\nCommands:\n"); |
| 323 | printf(" back Take back your last move\n"); |
| 324 | printf(" boardsize Set boardsize (on move 1 only)\n"); |
| 325 | printf(" comment Write a comment to outputfile\n"); |
| 326 | printf(" depth <num> Set depth for reading\n"); |
| 327 | printf(" display Display game board\n"); |
| 328 | printf(" exit Exit GNU Go\n"); |
| 329 | printf(" force <move> Force a move for current color\n"); |
| 330 | printf(" forward Go to next node in game tree\n"); |
| 331 | printf(" goto <movenum> Go to movenum in game tree\n"); |
| 332 | printf(" level <amount> Playing level (default = 10)\n"); |
| 333 | printf(" handicap <num> Set fixed handicap (on move 1 only)\n"); |
| 334 | printf(" freehandicap <num> Place free handicap (on move 1 only)\n"); |
| 335 | printf(" Omit <num> to place handicap yourself\n"); |
| 336 | printf(" help Display this help menu\n"); |
| 337 | printf(" helpdebug Display debug help menu\n"); |
| 338 | printf(" info Display program settings\n"); |
| 339 | printf(" komi Set komi (on move 1 only)\n"); |
| 340 | printf(" last Goto last node in game tree\n"); |
| 341 | printf(" pass Pass on your move\n"); |
| 342 | printf(" play <num> Play <num> moves\n"); |
| 343 | printf(" playblack Play as Black (switch if White)\n"); |
| 344 | printf(" playwhite Play as White (switch if Black)\n"); |
| 345 | printf(" quit Exit GNU Go\n"); |
| 346 | printf(" resign Resign the current game\n"); |
| 347 | printf(" save <file> Save the current game\n"); |
| 348 | printf(" load <file> Load a game from file\n"); |
| 349 | printf(" score Toggle display of score On/Off\n"); |
| 350 | printf(" showboard Toggle display of board On/Off\n"); |
| 351 | printf(" switch Switch the color you are playing\n"); |
| 352 | printf(" undo Take the last move back (same as back)\n"); |
| 353 | printf(" <move> A move of the format <letter><number>"); |
| 354 | printf("\n"); |
| 355 | } |
| 356 | |
| 357 | enum commands { INVALID = -1, |
| 358 | END, |
| 359 | EXIT, |
| 360 | QUIT, |
| 361 | RESIGN, |
| 362 | PASS, |
| 363 | MOVE, |
| 364 | FORCE, |
| 365 | SWITCH, |
| 366 | PLAY, |
| 367 | PLAYBLACK, |
| 368 | PLAYWHITE, |
| 369 | SETHANDICAP, |
| 370 | FREEHANDICAP, |
| 371 | SETBOARDSIZE, |
| 372 | SETKOMI, |
| 373 | SETDEPTH, |
| 374 | INFO, |
| 375 | DISPLAY, |
| 376 | SHOWBOARD, |
| 377 | HELP, |
| 378 | UNDO, |
| 379 | COMMENT, |
| 380 | SCORE, |
| 381 | CMD_DEAD, |
| 382 | CMD_BACK, |
| 383 | CMD_FORWARD, |
| 384 | CMD_LAST, |
| 385 | CMD_CAPTURE, |
| 386 | CMD_DEFEND, |
| 387 | CMD_HELPDEBUG, |
| 388 | CMD_SHOWAREA, |
| 389 | CMD_SHOWMOYO, |
| 390 | CMD_SHOWTERRI, |
| 391 | CMD_GOTO, |
| 392 | CMD_SAVE, |
| 393 | CMD_LOAD, |
| 394 | CMD_SHOWDRAGONS, |
| 395 | CMD_LISTDRAGONS, |
| 396 | SETLEVEL, |
| 397 | NEW, |
| 398 | COUNT, |
| 399 | CONTINUE |
| 400 | }; |
| 401 | |
| 402 | /* |
| 403 | * Check if we have a valid command. |
| 404 | */ |
| 405 | |
| 406 | static int |
| 407 | get_command(char* command) |
| 408 | { |
| 409 | char c; |
| 410 | int d; |
| 411 | |
| 412 | /* Check to see if a move was input. */ |
| 413 | if (!((sscanf(command, "%c%d", &c, &d) != 2) |
| 414 | || ((c = toupper((int)c)) < 'A') |
| 415 | || ((c = toupper((int)c)) > 'Z') |
| 416 | || (c == 'I'))) |
| 417 | return MOVE; |
| 418 | |
| 419 | /* help shortcut */ |
| 420 | if (command[0] == '?') |
| 421 | return HELP; |
| 422 | |
| 423 | /* Kill leading spaces. */ |
| 424 | while (command[0] == ' ') |
| 425 | command++; |
| 426 | |
| 427 | if (!strncmp(command, "playblack", 9)) |
| 428 | return PLAYBLACK; |
| 429 | if (!strncmp(command, "playwhite", 9)) |
| 430 | return PLAYWHITE; |
| 431 | if (!strncmp(command, "showboard", 9)) |
| 432 | return SHOWBOARD; |
| 433 | if (!strncmp(command, "showdragons", 9)) |
| 434 | return CMD_SHOWDRAGONS; |
| 435 | if (!strncmp(command, "listdragons", 9)) |
| 436 | return CMD_LISTDRAGONS; |
| 437 | if (!strncmp(command, "boardsize", 9)) |
| 438 | return SETBOARDSIZE; |
| 439 | if (!strncmp(command, "freehandicap", 9)) |
| 440 | return FREEHANDICAP; |
| 441 | if (!strncmp(command, "handicap", 5)) |
| 442 | return SETHANDICAP; |
| 443 | if (!strncmp(command, "display", 7)) |
| 444 | return DISPLAY; |
| 445 | if (!strncmp(command, "helpdebug", 7)) |
| 446 | return CMD_HELPDEBUG; |
| 447 | if (!strncmp(command, "resign", 6)) |
| 448 | return RESIGN; |
| 449 | if (!strncmp(command, "showmoyo", 6)) |
| 450 | return CMD_SHOWMOYO; |
| 451 | if (!strncmp(command, "showterri", 6)) |
| 452 | return CMD_SHOWTERRI; |
| 453 | if (!strncmp(command, "showarea", 6)) |
| 454 | return CMD_SHOWAREA; |
| 455 | if (!strncmp(command, "depth", 5)) |
| 456 | return SETDEPTH; |
| 457 | if (!strncmp(command, "switch", 5)) |
| 458 | return SWITCH; |
| 459 | if (!strncmp(command, "komi", 4)) |
| 460 | return SETKOMI; |
| 461 | if (!strncmp(command, "play", 4)) |
| 462 | return PLAY; |
| 463 | if (!strncmp(command, "info", 4)) |
| 464 | return INFO; |
| 465 | if (!strncmp(command, "force", 4)) |
| 466 | return FORCE; |
| 467 | if (!strncmp(command, "level", 5)) |
| 468 | return SETLEVEL; |
| 469 | if (!strncmp(command, "pass", 4)) |
| 470 | return PASS; |
| 471 | if (!strncmp(command, "save", 3)) |
| 472 | return CMD_SAVE; |
| 473 | if (!strncmp(command, "load", 3)) |
| 474 | return CMD_LOAD; |
| 475 | if (!strncmp(command, "end", 3)) |
| 476 | return END; |
| 477 | if (!strncmp(command, "move", 3)) |
| 478 | return MOVE; |
| 479 | if (!strncmp(command, "undo", 3)) |
| 480 | return UNDO; |
| 481 | if (!strncmp(command, "comment", 3)) |
| 482 | return COMMENT; |
| 483 | if (!strncmp(command, "score", 3)) |
| 484 | return SCORE; |
| 485 | if (!strncmp(command, "dead", 3)) |
| 486 | return CMD_DEAD; |
| 487 | if (!strncmp(command, "capture", 3)) |
| 488 | return CMD_CAPTURE; |
| 489 | if (!strncmp(command, "defend", 3)) |
| 490 | return CMD_DEFEND; |
| 491 | if (!strncmp(command, "exit", 4)) |
| 492 | return EXIT; |
| 493 | if (!strncmp(command, "quit", 4)) |
| 494 | return QUIT; |
| 495 | if (!strncmp(command, "help", 1)) |
| 496 | return HELP; |
| 497 | if (!strncmp(command, "back", 2)) |
| 498 | return CMD_BACK; |
| 499 | if (!strncmp(command, "forward", 2)) |
| 500 | return CMD_FORWARD; |
| 501 | if (!strncmp(command, "last", 2)) |
| 502 | return CMD_LAST; |
| 503 | if (!strncmp(command, "goto", 2)) |
| 504 | return CMD_GOTO; |
| 505 | if (!strncmp(command, "game", 2)) |
| 506 | return NEW; |
| 507 | if (!strncmp(command, "count", 3)) |
| 508 | return COUNT; |
| 509 | if (!strncmp(command, "continue", 4)) |
| 510 | return CONTINUE; |
| 511 | |
| 512 | /* No valid command was found. */ |
| 513 | return INVALID; |
| 514 | } |
| 515 | |
| 516 | /* |
| 517 | * Write sgf root node. |
| 518 | */ |
| 519 | |
| 520 | static void |
| 521 | init_sgf(Gameinfo* ginfo) |
| 522 | { |
| 523 | if (sgf_initialized) |
| 524 | return; |
| 525 | sgf_initialized = 1; |
| 526 | |
| 527 | sgf_write_header(sgftree.root, 1, get_random_seed(), komi, |
| 528 | ginfo->handicap, get_level(), chinese_rules); |
| 529 | if (ginfo->handicap > 0) |
| 530 | sgffile_recordboard(sgftree.root); |
| 531 | } |
| 532 | |
| 533 | /* |
| 534 | * Generate the computer move. |
| 535 | */ |
| 536 | |
| 537 | static int |
| 538 | computer_move(Gameinfo* gameinfo, int* passes) |
| 539 | { |
| 540 | int move; |
| 541 | float move_value; |
| 542 | int resign; |
| 543 | int resignation_declined = 0; |
| 544 | float upper_bound, lower_bound; |
| 545 | |
| 546 | init_sgf(gameinfo); |
| 547 | |
| 548 | /* Generate computer move. */ |
| 549 | if (autolevel_on) |
| 550 | adjust_level_offset(gameinfo->to_move); |
| 551 | move = genmove(gameinfo->to_move, &move_value, &resign); |
| 552 | if (resignation_allowed && resign) { |
| 553 | int state = twoplayer_endgame(gameinfo, 2); |
| 554 | if (state != -1) |
| 555 | return state; |
| 556 | |
| 557 | /* The opponent declined resignation. Remember not to resign again. */ |
| 558 | resignation_allowed = 0; |
| 559 | resignation_declined = 1; |
| 560 | } |
| 561 | |
| 562 | if (showscore) { |
| 563 | gnugo_estimate_score(&upper_bound, &lower_bound); |
| 564 | current_score_estimate = (int)((lower_bound + upper_bound) / 2.0); |
| 565 | } |
| 566 | |
| 567 | mprintf("%s(%d): %1m\n", color_to_string(gameinfo->to_move), |
| 568 | movenum + 1, move); |
| 569 | if (is_pass(move)) |
| 570 | (*passes)++; |
| 571 | else |
| 572 | *passes = 0; |
| 573 | |
| 574 | gnugo_play_move(move, gameinfo->to_move); |
| 575 | sgffile_add_debuginfo(sgftree.lastnode, move_value); |
| 576 | sgftreeAddPlay(&sgftree, gameinfo->to_move, I(move), J(move)); |
| 577 | if (resignation_declined) |
| 578 | sgftreeAddComment(&sgftree, "GNU Go resignation was declined"); |
| 579 | sgffile_output(&sgftree); |
| 580 | |
| 581 | gameinfo->to_move = OTHER_COLOR(gameinfo->to_move); |
| 582 | return 0; |
| 583 | } |
| 584 | |
| 585 | /* |
| 586 | * Make a move. |
| 587 | */ |
| 588 | |
| 589 | static int |
| 590 | do_move(Gameinfo* gameinfo, char* command, int* passes, int force) |
| 591 | { |
| 592 | int move = string_to_location(board_size, command); |
| 593 | |
| 594 | if (move == NO_MOVE) { |
| 595 | printf("\nInvalid move: %s\n", command); |
| 596 | return 0; |
| 597 | } |
| 598 | |
| 599 | if (!is_allowed_move(move, gameinfo->to_move)) { |
| 600 | printf("\nIllegal move: %s", command); |
| 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | *passes = 0; |
| 605 | TRACE("\nyour move: %1m\n\n", move); |
| 606 | init_sgf(gameinfo); |
| 607 | gnugo_play_move(move, gameinfo->to_move); |
| 608 | sgffile_add_debuginfo(sgftree.lastnode, 0.0); |
| 609 | sgftreeAddPlay(&sgftree, gameinfo->to_move, I(move), J(move)); |
| 610 | sgffile_output(&sgftree); |
| 611 | |
| 612 | if (opt_showboard) { |
| 613 | twoplayer_showboard(); |
| 614 | printf("GNU Go is thinking...\n"); |
| 615 | } |
| 616 | |
| 617 | if (force) { |
| 618 | gameinfo->computer_player = OTHER_COLOR(gameinfo->computer_player); |
| 619 | gameinfo->to_move = OTHER_COLOR(gameinfo->to_move); |
| 620 | sgftreeAddComment(&sgftree, "forced"); |
| 621 | return 0; |
| 622 | } |
| 623 | |
| 624 | gameinfo->to_move = OTHER_COLOR(gameinfo->to_move); |
| 625 | return computer_move(gameinfo, passes); |
| 626 | } |
| 627 | |
| 628 | /* |
| 629 | * Make a pass. |
| 630 | */ |
| 631 | |
| 632 | static int |
| 633 | do_pass(Gameinfo* gameinfo, int* passes, int force) |
| 634 | { |
| 635 | (*passes)++; |
| 636 | init_sgf(gameinfo); |
| 637 | gnugo_play_move(PASS_MOVE, gameinfo->to_move); |
| 638 | sgffile_add_debuginfo(sgftree.lastnode, 0.0); |
| 639 | sgftreeAddPlay(&sgftree, gameinfo->to_move, -1, -1); |
| 640 | sgffile_output(&sgftree); |
| 641 | |
| 642 | gameinfo->to_move = OTHER_COLOR(gameinfo->to_move); |
| 643 | if (force) { |
| 644 | gameinfo->computer_player = OTHER_COLOR(gameinfo->computer_player); |
| 645 | sgftreeAddComment(&sgftree, "forced"); |
| 646 | return 0; |
| 647 | } |
| 648 | |
| 649 | return computer_move(gameinfo, passes); |
| 650 | } |
| 651 | |
| 652 | /* |
| 653 | * Play a game using ANSI client. |
| 654 | */ |
| 655 | |
| 656 | void play_twoplayer(SGFTree* tree, Gameinfo* gameinfo, char* filename, char* until) |
| 657 | { |
| 658 | int sz; |
| 659 | |
| 660 | setvbuf(stdout, (char*)NULL, _IONBF, 0); /* No buffering. */ |
| 661 | |
| 662 | sgftree = *tree; |
| 663 | |
| 664 | if (filename) { |
| 665 | /* No need to check for failure here since that was already done |
| 666 | * when it was loaded in main(). |
| 667 | * |
| 668 | * FIXME: Why do we load the game again? |
| 669 | */ |
| 670 | gameinfo_play_sgftree(gameinfo, &sgftree, until); |
| 671 | sgf_initialized = 1; |
| 672 | } else { |
| 673 | if (sgfGetIntProperty(sgftree.root, "SZ", &sz)) |
| 674 | gnugo_clear_board(sz); |
| 675 | if (gameinfo->handicap == 0) |
| 676 | gameinfo->to_move = BLACK; |
| 677 | else { |
| 678 | gameinfo->handicap = place_fixed_handicap(gameinfo->handicap); |
| 679 | gameinfo->to_move = WHITE; |
| 680 | } |
| 681 | sgf_initialized = 0; |
| 682 | } |
| 683 | |
| 684 | do_play_twoplayer(gameinfo); |
| 685 | printf("\nThanks! for playing GNU Go.\n\n"); |
| 686 | |
| 687 | /* main() frees the tree and we might have changed it. */ |
| 688 | *tree = sgftree; |
| 689 | } |
| 690 | |
| 691 | void do_play_twoplayer(Gameinfo* gameinfo) |
| 692 | { |
| 693 | int m, num; |
| 694 | float fnum; |
| 695 | int passes = 0; /* two passes and its over */ |
| 696 | int tmp; |
| 697 | char line[80]; |
| 698 | char* line_ptr = line; |
| 699 | char* command; |
| 700 | char* tmpstring; |
| 701 | int state = 1; |
| 702 | |
| 703 | if (have_time_settings()) |
| 704 | clock_on = 1; |
| 705 | |
| 706 | while (state == 1) { |
| 707 | state = 0; |
| 708 | |
| 709 | /* No score is estimated yet. */ |
| 710 | current_score_estimate = NO_SCORE; |
| 711 | |
| 712 | /* Allow resignation at interface level (the engine may still be not |
| 713 | * allowed to resign. |
| 714 | */ |
| 715 | resignation_allowed = 1; |
| 716 | |
| 717 | printf("\nBeginning two player game.\n\n"); |
| 718 | gameinfo_print(gameinfo); |
| 719 | |
| 720 | /* Does the computer play first? If so, make a move. */ |
| 721 | if (gameinfo->computer_player == gameinfo->to_move) |
| 722 | state = computer_move(gameinfo, &passes); |
| 723 | |
| 724 | /* main ANSI Play loop */ |
| 725 | while (state == 0) { |
| 726 | /* Display game board. */ |
| 727 | if (opt_showboard) |
| 728 | twoplayer_showboard(); |
| 729 | |
| 730 | #if !READLINE |
| 731 | /* Print the prompt */ |
| 732 | mprintf("%s(%d): ", color_to_string(gameinfo->to_move), movenum + 1); |
| 733 | |
| 734 | /* Read a line of input. */ |
| 735 | line_ptr = line; |
| 736 | if (!fgets(line, 80, stdin)) |
| 737 | return; |
| 738 | #else |
| 739 | snprintf(line, 79, "%s(%d): ", |
| 740 | color_to_string(gameinfo->to_move), movenum + 1); |
| 741 | if (!(line_ptr = readline(line))) |
| 742 | return; |
| 743 | |
| 744 | add_history(line_ptr); |
| 745 | #endif |
| 746 | |
| 747 | while (state == 0 |
| 748 | && (command = strtok(line_ptr, ";"), line_ptr = 0, command)) { |
| 749 | /* Get the command or move. */ |
| 750 | switch (get_command(command)) { |
| 751 | case RESIGN: |
| 752 | state = twoplayer_endgame(gameinfo, 1); |
| 753 | break; |
| 754 | |
| 755 | case END: |
| 756 | case EXIT: |
| 757 | case QUIT: |
| 758 | return; |
| 759 | |
| 760 | case HELP: |
| 761 | show_commands(); |
| 762 | break; |
| 763 | |
| 764 | case CMD_HELPDEBUG: |
| 765 | printf(DEBUG_COMMANDS); |
| 766 | break; |
| 767 | |
| 768 | case SHOWBOARD: |
| 769 | opt_showboard = !opt_showboard; |
| 770 | break; |
| 771 | |
| 772 | case INFO: |
| 773 | printf("\n"); |
| 774 | gameinfo_print(gameinfo); |
| 775 | break; |
| 776 | |
| 777 | case SETBOARDSIZE: |
| 778 | if (sgf_initialized) { |
| 779 | printf("Boardsize cannot be changed after record is started!\n"); |
| 780 | break; |
| 781 | } |
| 782 | command += 10; |
| 783 | if (sscanf(command, "%d", &num) != 1) { |
| 784 | printf("\nInvalid command syntax!\n"); |
| 785 | break; |
| 786 | } |
| 787 | if (!check_boardsize(num, stdout)) |
| 788 | break; |
| 789 | /* Init board. */ |
| 790 | board_size = num; |
| 791 | clear_board(); |
| 792 | /* In case max handicap changes on smaller board. */ |
| 793 | gameinfo->handicap = place_fixed_handicap(gameinfo->handicap); |
| 794 | sgfOverwritePropertyInt(sgftree.root, "SZ", board_size); |
| 795 | sgfOverwritePropertyInt(sgftree.root, "HA", gameinfo->handicap); |
| 796 | break; |
| 797 | |
| 798 | case SETHANDICAP: |
| 799 | if (sgf_initialized) { |
| 800 | printf("Handicap cannot be changed after game is started!\n"); |
| 801 | break; |
| 802 | } |
| 803 | command += 9; |
| 804 | if (sscanf(command, "%d", &num) != 1) { |
| 805 | printf("\nInvalid command syntax!\n"); |
| 806 | break; |
| 807 | } |
| 808 | if (num < 0 || num > MAX_HANDICAP) { |
| 809 | printf("\nInvalid handicap: %d\n", num); |
| 810 | break; |
| 811 | } |
| 812 | /* Init board. */ |
| 813 | clear_board(); |
| 814 | /* Place stones on board but don't record sgf |
| 815 | * in case we change more info. */ |
| 816 | gameinfo->handicap = place_fixed_handicap(num); |
| 817 | printf("\nSet handicap to %d\n", gameinfo->handicap); |
| 818 | gameinfo->to_move = (gameinfo->handicap ? WHITE : BLACK); |
| 819 | break; |
| 820 | |
| 821 | case FREEHANDICAP: |
| 822 | if (sgf_initialized) { |
| 823 | printf("Handicap cannot be changed after game is started!\n"); |
| 824 | break; |
| 825 | } |
| 826 | while (*command && *command != ' ') |
| 827 | command++; |
| 828 | twoplayer_free_handicap(gameinfo, command); |
| 829 | break; |
| 830 | |
| 831 | case SETKOMI: |
| 832 | if (sgf_initialized) { |
| 833 | printf("Komi cannot be modified after game record is started!\n"); |
| 834 | break; |
| 835 | } |
| 836 | command += 5; |
| 837 | if (sscanf(command, "%f", &fnum) != 1) { |
| 838 | printf("\nInvalid command syntax!\n"); |
| 839 | break; |
| 840 | } |
| 841 | komi = fnum; |
| 842 | printf("\nSet Komi to %.1f\n", komi); |
| 843 | break; |
| 844 | |
| 845 | case SETDEPTH: |
| 846 | command += 6; |
| 847 | if (sscanf(command, "%d", &num) != 1) { |
| 848 | printf("\nInvalid command syntax!\n"); |
| 849 | break; |
| 850 | } |
| 851 | mandated_depth = num; |
| 852 | printf("\nSet depth to %d\n", mandated_depth); |
| 853 | break; |
| 854 | |
| 855 | case SETLEVEL: |
| 856 | command += 6; |
| 857 | if (sscanf(command, "%d", &num) != 1) { |
| 858 | printf("\nInvalid command syntax!\n"); |
| 859 | break; |
| 860 | } |
| 861 | set_level(num); |
| 862 | printf("\nSet level to %d\n", num); |
| 863 | break; |
| 864 | |
| 865 | case DISPLAY: |
| 866 | if (!opt_showboard) |
| 867 | twoplayer_showboard(); |
| 868 | break; |
| 869 | |
| 870 | case FORCE: |
| 871 | command += 6; /* skip the force part... */ |
| 872 | switch (get_command(command)) { |
| 873 | case MOVE: |
| 874 | state = do_move(gameinfo, command, &passes, 1); |
| 875 | break; |
| 876 | case PASS: |
| 877 | state = do_pass(gameinfo, &passes, 1); |
| 878 | break; |
| 879 | default: |
| 880 | printf("Illegal forced move: %s %d\n", command, |
| 881 | get_command(command)); |
| 882 | break; |
| 883 | } |
| 884 | break; |
| 885 | |
| 886 | case MOVE: |
| 887 | state = do_move(gameinfo, command, &passes, 0); |
| 888 | break; |
| 889 | |
| 890 | case PASS: |
| 891 | state = do_pass(gameinfo, &passes, 0); |
| 892 | break; |
| 893 | |
| 894 | case PLAY: |
| 895 | command += 5; |
| 896 | if (sscanf(command, "%d", &num) != 1) { |
| 897 | printf("\nInvalid command syntax!\n"); |
| 898 | break; |
| 899 | } |
| 900 | if (num >= 0) |
| 901 | for (m = 0; m < num; m++) { |
| 902 | gameinfo->computer_player |
| 903 | = OTHER_COLOR(gameinfo->computer_player); |
| 904 | state = computer_move(gameinfo, &passes); |
| 905 | if (state) |
| 906 | break; |
| 907 | if (passes >= 2) |
| 908 | break; |
| 909 | } |
| 910 | else { |
| 911 | printf("\nInvalid number of moves specified: %d\n", num); |
| 912 | break; |
| 913 | } |
| 914 | break; |
| 915 | |
| 916 | case PLAYBLACK: |
| 917 | if (gameinfo->computer_player == WHITE) |
| 918 | gameinfo->computer_player = BLACK; |
| 919 | if (gameinfo->computer_player == gameinfo->to_move) |
| 920 | state = computer_move(gameinfo, &passes); |
| 921 | break; |
| 922 | |
| 923 | case PLAYWHITE: |
| 924 | if (gameinfo->computer_player == BLACK) |
| 925 | gameinfo->computer_player = WHITE; |
| 926 | if (gameinfo->computer_player == gameinfo->to_move) |
| 927 | state = computer_move(gameinfo, &passes); |
| 928 | break; |
| 929 | |
| 930 | case SWITCH: |
| 931 | gameinfo->computer_player = OTHER_COLOR(gameinfo->computer_player); |
| 932 | state = computer_move(gameinfo, &passes); |
| 933 | break; |
| 934 | |
| 935 | case UNDO: |
| 936 | case CMD_BACK: |
| 937 | if (undo_move(1)) { |
| 938 | sgftreeAddComment(&sgftree, "undone"); |
| 939 | sgftreeBack(&sgftree); |
| 940 | gameinfo->to_move = OTHER_COLOR(gameinfo->to_move); |
| 941 | } else |
| 942 | printf("\nCan't undo.\n"); |
| 943 | break; |
| 944 | |
| 945 | case CMD_FORWARD: |
| 946 | if (sgftreeForward(&sgftree)) |
| 947 | gameinfo->to_move = gnugo_play_sgfnode(sgftree.lastnode, |
| 948 | gameinfo->to_move); |
| 949 | else |
| 950 | printf("\nEnd of game tree.\n"); |
| 951 | break; |
| 952 | |
| 953 | case CMD_LAST: |
| 954 | while (sgftreeForward(&sgftree)) |
| 955 | gameinfo->to_move = gnugo_play_sgfnode(sgftree.lastnode, |
| 956 | gameinfo->to_move); |
| 957 | break; |
| 958 | |
| 959 | case COMMENT: |
| 960 | printf("\nEnter comment. Press ENTER when ready.\n"); |
| 961 | fgets(line, 80, stdin); |
| 962 | sgftreeAddComment(&sgftree, line); |
| 963 | break; |
| 964 | |
| 965 | case SCORE: |
| 966 | showscore = !showscore; |
| 967 | if (!showscore) |
| 968 | current_score_estimate = NO_SCORE; |
| 969 | break; |
| 970 | |
| 971 | case CMD_DEAD: |
| 972 | silent_examine_position(FULL_EXAMINE_DRAGONS); |
| 973 | showdead = !showdead; |
| 974 | break; |
| 975 | |
| 976 | case CMD_CAPTURE: |
| 977 | strtok(command, " "); |
| 978 | showcapture(strtok(NULL, " ")); |
| 979 | break; |
| 980 | |
| 981 | case CMD_DEFEND: |
| 982 | strtok(command, " "); |
| 983 | showdefense(strtok(NULL, " ")); |
| 984 | break; |
| 985 | |
| 986 | case CMD_SHOWMOYO: |
| 987 | tmp = printmoyo; |
| 988 | printmoyo = PRINTMOYO_MOYO; |
| 989 | silent_examine_position(EXAMINE_DRAGONS); |
| 990 | printmoyo = tmp; |
| 991 | break; |
| 992 | |
| 993 | case CMD_SHOWTERRI: |
| 994 | tmp = printmoyo; |
| 995 | printmoyo = PRINTMOYO_TERRITORY; |
| 996 | silent_examine_position(EXAMINE_DRAGONS); |
| 997 | printmoyo = tmp; |
| 998 | break; |
| 999 | |
| 1000 | case CMD_SHOWAREA: |
| 1001 | tmp = printmoyo; |
| 1002 | printmoyo = PRINTMOYO_AREA; |
| 1003 | silent_examine_position(EXAMINE_DRAGONS); |
| 1004 | printmoyo = tmp; |
| 1005 | break; |
| 1006 | |
| 1007 | case CMD_SHOWDRAGONS: |
| 1008 | silent_examine_position(EXAMINE_DRAGONS); |
| 1009 | showboard(1); |
| 1010 | break; |
| 1011 | |
| 1012 | case CMD_GOTO: |
| 1013 | strtok(command, " "); |
| 1014 | twoplayer_goto(gameinfo, strtok(NULL, " ")); |
| 1015 | break; |
| 1016 | |
| 1017 | case CMD_SAVE: |
| 1018 | strtok(command, " "); |
| 1019 | tmpstring = strtok(NULL, " "); |
| 1020 | if (tmpstring) { |
| 1021 | /* discard newline */ |
| 1022 | tmpstring[strlen(tmpstring) - 1] = 0; |
| 1023 | /* make sure we are saving proper handicap */ |
| 1024 | init_sgf(gameinfo); |
| 1025 | writesgf(sgftree.root, tmpstring); |
| 1026 | printf("You may resume the game"); |
| 1027 | printf(" with -l %s --mode twoplayer\n", tmpstring); |
| 1028 | printf("or load %s\n", tmpstring); |
| 1029 | } else |
| 1030 | printf("Please specify filename\n"); |
| 1031 | break; |
| 1032 | |
| 1033 | case CMD_LOAD: |
| 1034 | strtok(command, " "); |
| 1035 | tmpstring = strtok(NULL, " "); |
| 1036 | if (tmpstring) { |
| 1037 | /* discard newline */ |
| 1038 | tmpstring[strlen(tmpstring) - 1] = 0; |
| 1039 | if (!sgftree_readfile(&sgftree, tmpstring)) { |
| 1040 | fprintf(stderr, "Cannot open or parse '%s'\n", tmpstring); |
| 1041 | break; |
| 1042 | } |
| 1043 | /* to avoid changing handicap etc. */ |
| 1044 | if (gameinfo_play_sgftree(gameinfo, &sgftree, NULL) == EMPTY) |
| 1045 | fprintf(stderr, "Cannot load '%s'\n", tmpstring); |
| 1046 | else { |
| 1047 | sgf_initialized = 1; |
| 1048 | sgfOverwritePropertyInt(sgftree.root, "HA", gameinfo->handicap); |
| 1049 | } |
| 1050 | } else |
| 1051 | printf("Please specify a filename\n"); |
| 1052 | break; |
| 1053 | |
| 1054 | case CMD_LISTDRAGONS: |
| 1055 | silent_examine_position(EXAMINE_DRAGONS); |
| 1056 | show_dragons(); |
| 1057 | break; |
| 1058 | |
| 1059 | default: |
| 1060 | printf("\nInvalid command: %s", command); |
| 1061 | break; |
| 1062 | } |
| 1063 | |
| 1064 | if (passes >= 2) |
| 1065 | state = twoplayer_endgame(gameinfo, 0); |
| 1066 | } |
| 1067 | #if READLINE |
| 1068 | free(line_ptr); |
| 1069 | #endif |
| 1070 | } |
| 1071 | |
| 1072 | sgffile_output(&sgftree); |
| 1073 | passes = 0; |
| 1074 | |
| 1075 | /* Play a different game next time. */ |
| 1076 | update_random_seed(); |
| 1077 | |
| 1078 | /* Free the sgf tree and prepare for a new game. */ |
| 1079 | sgfFreeNode(sgftree.root); |
| 1080 | sgftree_clear(&sgftree); |
| 1081 | sgftreeCreateHeaderNode(&sgftree, board_size, komi, gameinfo->handicap); |
| 1082 | sgf_initialized = 0; |
| 1083 | |
| 1084 | gameinfo_clear(gameinfo); |
| 1085 | } |
| 1086 | } |
| 1087 | |
| 1088 | /* Communicates with user after a game has ended. */ |
| 1089 | static int |
| 1090 | twoplayer_endgame(Gameinfo* gameinfo, int reason) |
| 1091 | { |
| 1092 | char line[80]; |
| 1093 | char* line_ptr; |
| 1094 | char* command; |
| 1095 | char* tmpstring; |
| 1096 | int state = 0; |
| 1097 | |
| 1098 | if (reason == 0) { /* Two passes, game is over. */ |
| 1099 | who_wins(gameinfo->computer_player, stdout); |
| 1100 | printf("\nIf you disagree, we may count the game together.\n"); |
| 1101 | |
| 1102 | sgftreeWriteResult(&sgftree, (white_score + black_score) / 2.0, 1); |
| 1103 | } else { |
| 1104 | int color = OTHER_COLOR(gameinfo->to_move); |
| 1105 | |
| 1106 | if (reason == 1) /* Our opponent has resigned. */ |
| 1107 | printf("GNU Go wins by resignation.\n"); |
| 1108 | else /* We have resigned. */ |
| 1109 | printf("You win by resignation.\n"); |
| 1110 | |
| 1111 | printf("Result: %c+Resign\n\n", color == WHITE ? 'W' : 'B'); |
| 1112 | sgftreeWriteResult(&sgftree, color == WHITE ? 1000.0 : -1000.0, 1); |
| 1113 | } |
| 1114 | |
| 1115 | while (state == 0) { |
| 1116 | printf("You may optionally save the game as an SGF file.\n\n"); |
| 1117 | printf("Type \"save <filename>\" to save,\n"); |
| 1118 | if (reason == 0) |
| 1119 | printf(" \"count\" to recount,\n"); |
| 1120 | else if (reason == 2) |
| 1121 | printf(" \"continue\" to decline resignation and continue the game,\n"); |
| 1122 | printf(" \"quit\" to quit\n"); |
| 1123 | printf(" or \"game\" to play again\n"); |
| 1124 | |
| 1125 | line_ptr = line; |
| 1126 | if (!fgets(line, 80, stdin)) |
| 1127 | break; |
| 1128 | |
| 1129 | command = strtok(line_ptr, ""); |
| 1130 | switch (get_command(command)) { |
| 1131 | case CMD_SAVE: |
| 1132 | strtok(command, " "); |
| 1133 | tmpstring = strtok(NULL, " "); |
| 1134 | if (tmpstring) { |
| 1135 | /* discard newline */ |
| 1136 | tmpstring[strlen(tmpstring) - 1] = 0; |
| 1137 | init_sgf(gameinfo); |
| 1138 | writesgf(sgftree.root, tmpstring); |
| 1139 | } else |
| 1140 | printf("Please specify filename\n"); |
| 1141 | break; |
| 1142 | |
| 1143 | case COUNT: |
| 1144 | if (reason == 0) |
| 1145 | twoplayer_count(gameinfo); |
| 1146 | break; |
| 1147 | |
| 1148 | case CONTINUE: |
| 1149 | state = -1; |
| 1150 | break; |
| 1151 | |
| 1152 | case NEW: |
| 1153 | state = 1; |
| 1154 | break; |
| 1155 | |
| 1156 | case QUIT: |
| 1157 | state = 2; |
| 1158 | break; |
| 1159 | |
| 1160 | default: |
| 1161 | state = 0; |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | return state; |
| 1166 | } |
| 1167 | |
| 1168 | /* twoplayer_count() scores the game. |
| 1169 | */ |
| 1170 | static void |
| 1171 | twoplayer_count(Gameinfo* gameinfo) |
| 1172 | { |
| 1173 | char line[12]; |
| 1174 | int done = 0; |
| 1175 | int i; |
| 1176 | int xyzzy = 1; |
| 1177 | |
| 1178 | printf("\nGame over. Let's count!.\n"); |
| 1179 | showdead = 1; |
| 1180 | twoplayer_showboard(); |
| 1181 | while (!done) { |
| 1182 | printf("Dead stones are marked with small letters (x,o).\n"); |
| 1183 | printf("\nIf you don't agree, enter the location of a group\n"); |
| 1184 | printf("to toggle its state or \"done\".\n"); |
| 1185 | |
| 1186 | if (!fgets(line, 12, stdin)) |
| 1187 | return; /* EOF or some error */ |
| 1188 | |
| 1189 | for (i = 0; i < 12; i++) |
| 1190 | line[i] = tolower((int)line[i]); |
| 1191 | if (!strncmp(line, "done", 4)) |
| 1192 | done = 1; |
| 1193 | else if (!strncmp(line, "quit", 4)) |
| 1194 | return; |
| 1195 | else if (!strncmp(line, "xyzzy", 5)) { |
| 1196 | if (xyzzy) { |
| 1197 | printf("\nYou are in a debris room filled with stuff washed in from the\n"); |
| 1198 | printf("surface. A low wide passage with cobbles becomes plugged\n"); |
| 1199 | printf("with mud and debris here, but an awkward canyon leads\n"); |
| 1200 | printf("upward and west. A note on the wall says:\n"); |
| 1201 | printf(" Magic Word \"XYZZY\"\n\n"); |
| 1202 | xyzzy = 0; |
| 1203 | } else { |
| 1204 | printf("You are inside a building, a well house for a large spring.\n\n"); |
| 1205 | xyzzy = 1; |
| 1206 | } |
| 1207 | } else if (!strncmp(line, "help", 4)) { |
| 1208 | printf("\nIf there are dead stones on the board I will remove them.\n"); |
| 1209 | printf("You must tell me where they are. Type the coordinates of a\n"); |
| 1210 | printf("dead group, or type \"done\"\n"); |
| 1211 | } else if (!strncmp(line, "undo", 4)) { |
| 1212 | printf("UNDO not allowed anymore. The status of the stones now\n"); |
| 1213 | printf("toggles after entering the location of it.\n"); |
| 1214 | twoplayer_showboard(); |
| 1215 | } else { |
| 1216 | int pos = string_to_location(board_size, line); |
| 1217 | if (pos == NO_MOVE || board[pos] == EMPTY) |
| 1218 | printf("\ninvalid!\n"); |
| 1219 | else { |
| 1220 | enum dragon_status status = dragon_status(pos); |
| 1221 | status = (status == DEAD) ? ALIVE : DEAD; |
| 1222 | change_dragon_status(pos, status); |
| 1223 | twoplayer_showboard(); |
| 1224 | } |
| 1225 | } |
| 1226 | } |
| 1227 | who_wins(gameinfo->computer_player, stdout); |
| 1228 | } |
| 1229 | |
| 1230 | static void |
| 1231 | showcapture(char* line) |
| 1232 | { |
| 1233 | int str; |
| 1234 | int move; |
| 1235 | |
| 1236 | gg_assert(line); |
| 1237 | str = string_to_location(board_size, line); |
| 1238 | if (str == NO_MOVE || board[str] == EMPTY) { |
| 1239 | printf("\ninvalid point!\n"); |
| 1240 | return; |
| 1241 | } |
| 1242 | |
| 1243 | if (attack(str, &move)) |
| 1244 | mprintf("\nSuccessful attack of %1m at %1m\n", str, move); |
| 1245 | else |
| 1246 | mprintf("\n%1m cannot be attacked\n", str); |
| 1247 | } |
| 1248 | |
| 1249 | static void |
| 1250 | showdefense(char* line) |
| 1251 | { |
| 1252 | int str; |
| 1253 | int move; |
| 1254 | |
| 1255 | gg_assert(line); |
| 1256 | str = string_to_location(board_size, line); |
| 1257 | if (str == NO_MOVE || board[str] == EMPTY) { |
| 1258 | printf("\ninvalid point!\n"); |
| 1259 | return; |
| 1260 | } |
| 1261 | |
| 1262 | if (attack(str, NULL)) { |
| 1263 | if (find_defense(str, &move)) |
| 1264 | mprintf("\nSuccessful defense of %1m at %1m\n", str, move); |
| 1265 | else |
| 1266 | mprintf("\n%1m cannot be defended\n", str); |
| 1267 | } else |
| 1268 | mprintf("\nThere is no need to defend %1m\n", str); |
| 1269 | } |
| 1270 | |
| 1271 | static void |
| 1272 | twoplayer_goto(Gameinfo* gameinfo, char* line) |
| 1273 | { |
| 1274 | const char* movenumber = line; |
| 1275 | |
| 1276 | if (!line) |
| 1277 | return; |
| 1278 | |
| 1279 | if (!strncmp(line, "last", 4)) |
| 1280 | movenumber = "9999"; |
| 1281 | else if (!strncmp(line, "first", 4)) |
| 1282 | movenumber = "1"; |
| 1283 | |
| 1284 | printf("goto %s\n", movenumber); |
| 1285 | gameinfo_play_sgftree(gameinfo, &sgftree, movenumber); |
| 1286 | } |
| 1287 | |
| 1288 | static void |
| 1289 | twoplayer_free_handicap(Gameinfo* gameinfo, char* handicap_string) |
| 1290 | { |
| 1291 | int handi; |
| 1292 | int i; |
| 1293 | char line[80]; |
| 1294 | int stones[MAX_BOARD * MAX_BOARD]; |
| 1295 | |
| 1296 | if (sscanf(handicap_string, "%d", &handi) == 1) { |
| 1297 | /* GNU Go is to place handicap */ |
| 1298 | if (handi < 0 || handi == 1) { |
| 1299 | printf("\nInvalid command syntax!\n"); |
| 1300 | return; |
| 1301 | } |
| 1302 | |
| 1303 | clear_board(); |
| 1304 | handi = place_free_handicap(handi); |
| 1305 | printf("\nPlaced %d stones of free handicap.\n", handi); |
| 1306 | } else { /* User is to place handicap */ |
| 1307 | clear_board(); |
| 1308 | handi = 0; |
| 1309 | |
| 1310 | while (1) { |
| 1311 | twoplayer_showboard(); |
| 1312 | printf("\nType in coordinates of next handicap stone, or one of the following commands:\n"); |
| 1313 | printf(" undo take back the last stone placed\n"); |
| 1314 | printf(" clear remove all the stones placed so far\n"); |
| 1315 | printf(" done finish placing handicap\n\n"); |
| 1316 | printf("You have placed %d handicap stone(s) so far.\n\n", handi); |
| 1317 | |
| 1318 | if (!fgets(line, 80, stdin)) |
| 1319 | return; /* EOF or some error */ |
| 1320 | for (i = 0; i < 80; i++) |
| 1321 | line[i] = tolower((int)line[i]); |
| 1322 | |
| 1323 | if (!strncmp(line, "undo", 4)) { |
| 1324 | if (!handi) |
| 1325 | printf("\nNothing to undo.\n"); |
| 1326 | else { |
| 1327 | remove_stone(stones[--handi]); |
| 1328 | gprintf("\nRemoved the stone at %m.\n", I(stones[handi]), |
| 1329 | J(stones[handi])); |
| 1330 | } |
| 1331 | } else if (!strncmp(line, "clear", 5)) { |
| 1332 | clear_board(); |
| 1333 | handi = 0; |
| 1334 | } else if (!strncmp(line, "done", 4)) { |
| 1335 | if (handi == 1) /* Don't bother with checks later */ |
| 1336 | printf("\nHandicap cannot be one stone. Either add " |
| 1337 | "some more, or delete the only stone.\n"); |
| 1338 | else |
| 1339 | break; |
| 1340 | } else { |
| 1341 | int pos = string_to_location(board_size, line); |
| 1342 | if (pos != NO_MOVE) { |
| 1343 | if (board[pos] != EMPTY) |
| 1344 | printf("\nThere's already a stone there.\n"); |
| 1345 | else { |
| 1346 | add_stone(pos, BLACK); |
| 1347 | stones[handi++] = pos; |
| 1348 | } |
| 1349 | } else |
| 1350 | printf("\nInvalid command: %s", line); |
| 1351 | } |
| 1352 | } |
| 1353 | } |
| 1354 | gameinfo->handicap = handi; |
| 1355 | gameinfo->to_move = (handi ? WHITE : BLACK); |
| 1356 | } |
| 1357 | |
| 1358 | /* |
| 1359 | * Local Variables: |
| 1360 | * tab-width: 4 |
| 1361 | * c-basic-offset: 4 |
| 1362 | * End: |
| 1363 | */ |