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de03db18 AT |
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 | */ |