xboard2uci.cpp

   1 \r
   2 // xboard2uci.cpp\r
   3 \r
   4 // includes\r
   5 \r
   6 #include <cerrno>\r
   7 #include <cstdio>\r
   8 #include <cstdlib>\r
   9 #include <cstring>\r
  10 #include <ctime>\r
  11 \r
  12 #include "board.h"\r
  13 #include "book.h"\r
  14 #include "colour.h"\r
  15 #include "engine.h"\r
  16 #include "fen.h"\r
  17 #include "game.h"\r
  18 #include "gui.h"\r
  19 #include "line.h"\r
  20 #include "main.h"\r
  21 #include "move.h"\r
  22 #include "move_do.h"\r
  23 #include "move_legal.h"\r
  24 #include "option.h"\r
  25 #include "parse.h"\r
  26 #include "san.h"\r
  27 #include "uci.h"\r
  28 #include "uci2uci.h"\r
  29 #include "util.h"\r
  30 \r
  31 // constants\r
  32 \r
  33 static const bool UseDebug = false;\r
  34 static const bool DelayPong = false;\r
  35 \r
  36 static const int StringSize = 4096;\r
  37 \r
  38 // types\r
  39 \r
  40 struct state_t {\r
  41    int state;\r
  42    bool computer[ColourNb];\r
  43    int exp_move;\r
  44    int resign_nb;\r
  45    my_timer_t timer[1];\r
  46 };\r
  47 \r
  48 struct xb_t {\r
  49     bool has_feature_memory;\r
  50     bool has_feature_smp;\r
  51     bool has_feature_egt;\r
  52     bool analyse;\r
  53     bool computer;\r
  54     const char * name;\r
  55     bool ics;\r
  56     bool new_hack; // "new" is a C++ keyword\r
  57     bool ponder;\r
  58     int ping;\r
  59     bool post;\r
  60     int proto_ver;\r
  61     bool result;\r
  62 \r
  63     int mps;\r
  64     double base;\r
  65     double inc;\r
  66     \r
  67     bool time_limit;\r
  68     double time_max;\r
  69     \r
  70     bool depth_limit;\r
  71     int depth_max;\r
  72     \r
  73     double my_time;\r
  74     double opp_time;\r
  75 };\r
  76 \r
  77 enum dummy_state_t { WAIT, THINK, PONDER, ANALYSE };\r
  78 \r
  79 // variables\r
  80 \r
  81 static state_t State[1];\r
  82 static xb_t XB[1];\r
  83 \r
  84 // prototypes\r
  85 \r
  86 static void comp_move      (int move);\r
  87 static void move_step      (int move);\r
  88 static void board_update   ();\r
  89 \r
  90 static void mess           ();\r
  91 static void no_mess        (int move);\r
  92 \r
  93 static void search_update  ();\r
  94 static void search_clear   ();\r
  95 static void update_remaining_time();\r
  96 static int  report_best_score();\r
  97 static bool kibitz_throttle (bool searching);\r
  98 static void start_protected_command();\r
  99 static void end_protected_command();\r
 100 \r
 101 static bool active         ();\r
 102 static bool ponder         ();\r
 103 static bool ponder_ok      (int ponder_move);\r
 104 \r
 105 static void stop_search    ();\r
 106 \r
 107 static void send_board     (int extra_move);\r
 108 static void send_pv        ();\r
 109 \r
 110 static void send_xboard_options ();\r
 111 \r
 112 static void learn          (int result);\r
 113 \r
 114 \r
 115 // functions\r
 116 \r
 117 // xboard2uci_init()\r
 118 \r
 119 void xboard2uci_init() {\r
 120    // init\r
 121 \r
 122    game_clear(Game);\r
 123 \r
 124    // state\r
 125 \r
 126    State->state = WAIT;\r
 127 \r
 128    State->computer[White] = false;\r
 129    State->computer[Black] = true;\r
 130 \r
 131    State->exp_move = MoveNone;\r
 132    State->resign_nb = 0;\r
 133    my_timer_reset(State->timer);\r
 134 \r
 135    // yes there are engines that do not have the "Hash" option....\r
 136    XB->has_feature_memory= uci_option_exist(Uci,"Hash");\r
 137    XB->has_feature_smp = uci_thread_option_exist(Uci);\r
 138    // TODO: support for other types of table bases\r
 139    XB->has_feature_egt = uci_option_exist(Uci,"NalimovPath");\r
 140    XB->analyse = false;\r
 141    XB->computer = false;\r
 142    XB->name = NULL;\r
 143    my_string_set(&XB->name,"<empty>");\r
 144    XB->ics = false;\r
 145    XB->new_hack = true;\r
 146    XB->ping = -1;\r
 147    XB->ponder = false;\r
 148    XB->post = false;\r
 149    XB->proto_ver = 1;\r
 150    XB->result = false;\r
 151 \r
 152    XB->mps = 0;\r
 153    XB->base = 300.0;\r
 154    XB->inc = 0.0;\r
 155 \r
 156    XB->time_limit = false;\r
 157    XB->time_max = 5.0;\r
 158 \r
 159    XB->depth_limit = false;\r
 160    XB->depth_max = 127;\r
 161 \r
 162    XB->my_time = 300.0;\r
 163    XB->opp_time = 300.0;\r
 164 }\r
 165 \r
 166 // xboard2uci_gui_step()\r
 167 \r
 168 void xboard2uci_gui_step(char string[]) {\r
 169 \r
 170         int move;\r
 171         char move_string[256];\r
 172         board_t board[1];\r
 173 \r
 174                 if (false) {\r
 175          \r
 176                 } else if (match(string,"accepted *")) {\r
 177 \r
 178                         // ignore\r
 179 \r
 180                 } else if (match(string,"analyze")) {\r
 181 \r
 182                         State->computer[White] = false;\r
 183                         State->computer[Black] = false;\r
 184 \r
 185                         XB->analyse = true;\r
 186                         XB->new_hack = false;\r
 187                         ASSERT(!XB->result);\r
 188                         XB->result = false;\r
 189 \r
 190                         mess();\r
 191 \r
 192                 } else if (match(string,"bk")) {\r
 193 \r
 194                         if (option_get_bool("Book")) {\r
 195                                 game_get_board(Game,board);\r
 196                                 book_disp(board);\r
 197                         }\r
 198 \r
 199                 } else if (match(string,"black")) {\r
 200 \r
 201                         if (colour_is_black(game_turn(Game))) {\r
 202 \r
 203                                 State->computer[White] = true;\r
 204                                 State->computer[Black] = false;\r
 205 \r
 206                                 XB->new_hack = true;\r
 207                                 XB->result = false;\r
 208 \r
 209                                 mess();\r
 210                         }\r
 211 \r
 212                 } else if (match(string,"computer")) {\r
 213 \r
 214                         XB->computer = true;\r
 215 \r
 216                 } else if (match(string,"draw")) {\r
 217                         if(uci_option_exist(Uci,"UCI_DrawOffers")){\r
 218                             my_log("POLYGLOT draw from XB received");\r
 219                                 uci_send_option(Uci,"DrawOffer","%s","draw");}\r
 220                 } else if (match(string,"easy")) {\r
 221 \r
 222                         XB->ponder = false;\r
 223 \r
 224                         mess();\r
 225 \r
 226                 } else if (match(string,"edit")) {\r
 227 \r
 228                         // refuse\r
 229 \r
 230                         gui_send(GUI,"Error (unknown command): %s",string);\r
 231 \r
 232                 } else if (match(string,"exit")) {\r
 233 \r
 234                         State->computer[White] = false;\r
 235                         State->computer[Black] = false;\r
 236 \r
 237                         XB->analyse = false;\r
 238 \r
 239                         mess();\r
 240 \r
 241                 } else if (match(string,"force")) {\r
 242 \r
 243                         State->computer[White] = false;\r
 244                         State->computer[Black] = false;\r
 245 \r
 246                         mess();\r
 247 \r
 248                 } else if (match(string,"go")) {\r
 249 \r
 250                         State->computer[game_turn(Game)] = true;\r
 251                         State->computer[colour_opp(game_turn(Game))] = false;\r
 252 \r
 253                         XB->new_hack = false;\r
 254                         ASSERT(!XB->result);\r
 255                         XB->result = false;\r
 256 \r
 257                         mess();\r
 258 \r
 259                 } else if (match(string,"hard")) {\r
 260 \r
 261                         XB->ponder = true;\r
 262 \r
 263                         mess();\r
 264 \r
 265                 } else if (match(string,"hint")) {\r
 266 \r
 267                         if (option_get_bool("Book")) {\r
 268 \r
 269                                 game_get_board(Game,board);\r
 270                                 move = book_move(board,false);\r
 271 \r
 272                                 if (move != MoveNone && move_is_legal(move,board)) {\r
 273                                         move_to_san(move,board,move_string,256);\r
 274                                         gui_send(GUI,"Hint: %s",move_string);\r
 275                                 }\r
 276                         }\r
 277 \r
 278                 } else if (match(string,"ics *")) {\r
 279 \r
 280                         XB->ics = true;\r
 281 \r
 282                 } else if (match(string,"level * *:* *")) {\r
 283 \r
 284                         XB->mps  = atoi(Star[0]);\r
 285                         XB->base = double(atoi(Star[1])) * 60.0 + double(atoi(Star[2]));\r
 286                         XB->inc  = double(atoi(Star[3]));\r
 287 \r
 288                 } else if (match(string,"level * * *")) {\r
 289 \r
 290                         XB->mps  = atoi(Star[0]);\r
 291                         XB->base = double(atoi(Star[1])) * 60.0;\r
 292                         XB->inc  = double(atoi(Star[2]));\r
 293 \r
 294                 } else if (match(string,"name *")) {\r
 295 \r
 296                         my_string_set(&XB->name,Star[0]);\r
 297 \r
 298                 } else if (match(string,"new")) {\r
 299 \r
 300             uci_send_isready(Uci);\r
 301                         my_log("POLYGLOT NEW GAME\n");\r
 302 \r
 303                         option_set("Chess960","false");\r
 304 \r
 305                         game_clear(Game);\r
 306 \r
 307                         if (XB->analyse) {\r
 308                                 State->computer[White] = false;\r
 309                                 State->computer[Black] = false;\r
 310                         } else {\r
 311                                 State->computer[White] = false;\r
 312                                 State->computer[Black] = true;\r
 313                         }\r
 314 \r
 315                         XB->new_hack = true;\r
 316                         XB->result = false;\r
 317 \r
 318                         XB->depth_limit = false;\r
 319 \r
 320                         XB->computer = false;\r
 321                         my_string_set(&XB->name,"<empty>");\r
 322 \r
 323                         board_update();\r
 324                         mess();\r
 325 \r
 326                         uci_send_ucinewgame(Uci);\r
 327 \r
 328                 } else if (match(string,"nopost")) {\r
 329 \r
 330                         XB->post = false;\r
 331 \r
 332                 } else if (match(string,"otim *")) {\r
 333 \r
 334                         XB->opp_time = double(atoi(Star[0])) / 100.0;\r
 335                         if (XB->opp_time < 0.0) XB->opp_time = 0.0;\r
 336 \r
 337                 } else if (match(string,"pause")) {\r
 338 \r
 339                         // refuse\r
 340 \r
 341                         gui_send(GUI,"Error (unknown command): %s",string);\r
 342 \r
 343                 } else if (match(string,"ping *")) {\r
 344 \r
 345                         // HACK; TODO: answer only after an engine move\r
 346 \r
 347                         if (DelayPong) {\r
 348                                 if (XB->ping >= 0) gui_send(GUI,"pong %d",XB->ping); // HACK: get rid of old ping\r
 349                                 XB->ping = atoi(Star[0]);\r
 350                                 uci_send_isready(Uci);\r
 351                         } else {\r
 352                                 ASSERT(XB->ping==-1);\r
 353                                 gui_send(GUI,"pong %s",Star[0]);\r
 354                         }\r
 355 \r
 356                 } else if (match(string,"playother")) {\r
 357 \r
 358                         State->computer[game_turn(Game)] = false;\r
 359                         State->computer[colour_opp(game_turn(Game))] = true;\r
 360 \r
 361                         XB->new_hack = false;\r
 362                         ASSERT(!XB->result);\r
 363                         XB->result = false;\r
 364 \r
 365                         mess();\r
 366 \r
 367                 } else if (match(string,"post")) {\r
 368 \r
 369                         XB->post = true;\r
 370 \r
 371                 } else if (match(string,"protover *")) {\r
 372 \r
 373             send_xboard_options();\r
 374 \r
 375                 } else if (match(string,"quit")) {\r
 376                         my_log("POLYGLOT *** \"quit\" from GUI ***\n");\r
 377                         quit();\r
 378                 } else if (match(string,"random")) {\r
 379 \r
 380                         // ignore\r
 381 \r
 382                 } else if (match(string,"rating * *")) {\r
 383 \r
 384                         // ignore\r
 385 \r
 386                 } else if (match(string,"remove")) {\r
 387 \r
 388                         if (game_pos(Game) >= 2) {\r
 389 \r
 390                                 game_goto(Game,game_pos(Game)-2);\r
 391 \r
 392                                 ASSERT(!XB->new_hack);\r
 393                                 XB->new_hack = false; // HACK?\r
 394                                 XB->result = false;\r
 395 \r
 396                                 board_update();\r
 397                                 mess();\r
 398                         }\r
 399 \r
 400                 } else if (match(string,"rejected *")) {\r
 401 \r
 402                         // ignore\r
 403 \r
 404                 } else if (match(string,"reset")) { // protover 3?\r
 405 \r
 406                         // refuse\r
 407 \r
 408                         gui_send(GUI,"Error (unknown command): %s",string);\r
 409 \r
 410                 } else if (false\r
 411                         || match(string,"result * {*}")\r
 412                         || match(string,"result * {* }")\r
 413                         || match(string,"result * { *}")\r
 414                         || match(string,"result * { * }")) {\r
 415 \r
 416                                 my_log("POLYGLOT GAME END\n");\r
 417 \r
 418                                 XB->result = true;\r
 419 \r
 420                                 mess();\r
 421 \r
 422                                 // book learning\r
 423 \r
 424                                 if (option_get_bool("Book") && option_get_bool("BookLearn")) {\r
 425 \r
 426                                         if (false) {\r
 427                                         } else if (my_string_equal(Star[0],"1-0")) {\r
 428                                                 learn(+1);\r
 429                                         } else if (my_string_equal(Star[0],"0-1")) {\r
 430                                                 learn(-1);\r
 431                                         } else if (my_string_equal(Star[0],"1/2-1/2")) {\r
 432                                                 learn(0);\r
 433                                         }\r
 434                                 }\r
 435                 } else if (match(string,"resume")) {\r
 436 \r
 437                         // refuse\r
 438 \r
 439                         gui_send(GUI,"Error (unknown command): %s",string);\r
 440 \r
 441         } else if (match(string,"option *=*")){\r
 442             char *name=Star[0];\r
 443             char *value=Star[1];\r
 444             if(match(name, "Polyglot *")){\r
 445                 char *pg_name=Star[0];\r
 446                 polyglot_set_option(pg_name,value);\r
 447             }else{\r
 448                 start_protected_command();\r
 449                 engine_send(Engine,"setoption name %s value %s",name,value);\r
 450                 end_protected_command();\r
 451             }\r
 452         } else if (match(string,"option *")){\r
 453             char *name=Star[0];\r
 454             start_protected_command();\r
 455             engine_send(Engine,"setoption name %s",name);\r
 456             end_protected_command();\r
 457         } else if (XB->has_feature_smp && match(string,"cores *")){\r
 458                 int cores=atoi(Star[0]);\r
 459                 if(cores>=1){\r
 460                     // updating the number of cores\r
 461                     my_log("POLYGLOT setting the number of cores to %d\n",cores);\r
 462                     start_protected_command();\r
 463                     uci_set_threads(Uci,cores); \r
 464                     end_protected_command();\r
 465                 } else{\r
 466                    // refuse\r
 467                     gui_send(GUI,"Error (unknown command): %s",string);\r
 468                 }\r
 469         } else if (XB->has_feature_egt && match(string,"egtpath * *")){\r
 470                 char *type=Star[0];\r
 471                 char *path=Star[1];\r
 472                 if(!my_string_case_equal(type,"nalimov")){\r
 473                    // refuse\r
 474                     gui_send(GUI,"Error (unsupported table base format): %s",string);\r
 475                 }else if(my_string_empty(path)){\r
 476                     // refuse\r
 477                     gui_send(GUI,"Error (unknown command): %s",string);\r
 478                 }else{\r
 479                     // updating NalimovPath\r
 480                     my_log("POLYGLOT setting the Nalimov path to %s\n",path);\r
 481                     start_protected_command();\r
 482                     uci_send_option(Uci,"NalimovPath","%s",path);\r
 483                     end_protected_command();\r
 484                 }\r
 485         } else if (XB->has_feature_memory && match(string,"memory *")){\r
 486             int memory = atoi(Star[0]);\r
 487             int nalimov_cache;\r
 488             int real_memory;\r
 489             if(memory>=1){\r
 490                 // updating the available memory\r
 491                 my_log("POLYGLOT setting the amount of memory to %dMb\n",memory);\r
 492                 if(uci_get_option(Uci,"NalimovCache")>=0){\r
 493                     nalimov_cache=atoi(Uci->option[uci_get_option(Uci,"NalimovCache")].value);\r
 494                 }else{\r
 495                     nalimov_cache=0;\r
 496                 }\r
 497                 my_log("POLYGLOT Nalimov Cache is %dMb\n",nalimov_cache);\r
 498                 real_memory=memory-nalimov_cache;\r
 499                 if(real_memory>0){\r
 500                     start_protected_command();\r
 501                     uci_send_option(Uci,"Hash", "%d", real_memory);\r
 502                     end_protected_command();\r
 503                 }\r
 504             }else{\r
 505                 // refuse\r
 506                 gui_send(GUI,"Error (unknown command): %s",string);\r
 507             }\r
 508 \r
 509                 } else if (match(string,"sd *")) {\r
 510 \r
 511                         XB->depth_limit = true;\r
 512                         XB->depth_max = atoi(Star[0]);\r
 513 \r
 514                 } else if (match(string,"setboard *")) {\r
 515 \r
 516                         my_log("POLYGLOT FEN %s\n",Star[0]);\r
 517 \r
 518                         if (!game_init(Game,Star[0])) my_fatal("xboard_step(): bad FEN \"%s\"\n",Star[0]);\r
 519 \r
 520                         State->computer[White] = false;\r
 521                         State->computer[Black] = false;\r
 522 \r
 523                         XB->new_hack = true; // HACK?\r
 524                         XB->result = false;\r
 525 \r
 526                         board_update();\r
 527                         mess();\r
 528 \r
 529                 } else if (match(string,"st *")) {\r
 530 \r
 531                         XB->time_limit = true;\r
 532                         XB->time_max = double(atoi(Star[0]));\r
 533 \r
 534                 } else if (match(string,"time *")) {\r
 535 \r
 536                         XB->my_time = double(atoi(Star[0])) / 100.0;\r
 537                         if (XB->my_time < 0.0) XB->my_time = 0.0;\r
 538 \r
 539                 } else if (match(string,"undo")) {\r
 540 \r
 541                         if (game_pos(Game) >= 1) {\r
 542 \r
 543                                 game_goto(Game,game_pos(Game)-1);\r
 544 \r
 545                                 ASSERT(!XB->new_hack);\r
 546                                 XB->new_hack = false; // HACK?\r
 547                                 XB->result = false;\r
 548 \r
 549                                 board_update();\r
 550                                 mess();\r
 551                         }\r
 552 \r
 553                 } else if (match(string,"usermove *")) {\r
 554 \r
 555                         game_get_board(Game,board);\r
 556                         move = move_from_san(Star[0],board);\r
 557 \r
 558                         if (move != MoveNone && move_is_legal(move,board)) {\r
 559 \r
 560                                 XB->new_hack = false;\r
 561                                 ASSERT(!XB->result);\r
 562                                 XB->result = false;\r
 563 \r
 564                                 move_step(move);\r
 565                                 no_mess(move);\r
 566 \r
 567                         } else {\r
 568 \r
 569                                 gui_send(GUI,"Illegal move: %s",Star[0]);\r
 570                         }\r
 571 \r
 572                 } else if (match(string,"variant *")) {\r
 573 \r
 574                         if (my_string_equal(Star[0],"fischerandom")) {\r
 575                                 option_set("Chess960","true");\r
 576                         } else {\r
 577                                 option_set("Chess960","false");\r
 578                         }\r
 579 \r
 580                 } else if (match(string,"white")) {\r
 581 \r
 582                         if (colour_is_white(game_turn(Game))) {\r
 583 \r
 584                                 State->computer[White] = false;\r
 585                                 State->computer[Black] = true;\r
 586 \r
 587                                 XB->new_hack = true;\r
 588                                 XB->result = false;\r
 589 \r
 590                                 mess();\r
 591                         }\r
 592 \r
 593                 } else if (match(string,"xboard")) {\r
 594 \r
 595                         // ignore\r
 596 \r
 597                 } else if (match(string,".")) { // analyse info\r
 598 \r
 599                         if (State->state == ANALYSE) {\r
 600                                 int depth=Uci->best_depth;//HACK: don't clear engine-output window...\r
 601 \r
 602                                 ASSERT(Uci->searching);\r
 603                                 ASSERT(Uci->pending_nb>=1);\r
 604 \r
 605                                 if (Uci->root_move != MoveNone && move_is_legal(Uci->root_move,Uci->board)) {\r
 606                                         move_to_san(Uci->root_move,Uci->board,move_string,256);\r
 607                                         gui_send(GUI,"stat01: %.0f "S64_FORMAT" %d %d %d %s",Uci->time*100.0,Uci->node_nb,/*Uci->*/depth,Uci->root_move_nb-(Uci->root_move_pos+1),Uci->root_move_nb,move_string);\r
 608                                 } else {\r
 609                                         gui_send(GUI,"stat01: %.0f "S64_FORMAT" %d %d %d",Uci->time*100.0,Uci->node_nb,/*Uci->*/depth,0,0); // HACK\r
 610                                 }\r
 611                         }\r
 612 \r
 613                 } else if (match(string,"?")) { // move now\r
 614 \r
 615                         if (State->state == THINK) {\r
 616 \r
 617                                 ASSERT(Uci->searching);\r
 618                                 ASSERT(Uci->pending_nb>=1);\r
 619 \r
 620                                 // HACK: just send "stop" to the engine\r
 621 \r
 622                                 if (Uci->searching) {\r
 623                                         my_log("POLYGLOT STOP SEARCH\n");\r
 624                                         engine_send(Engine,"stop");\r
 625                                 }\r
 626                         }\r
 627 \r
 628                 } else { // unknown command, maybe a move?\r
 629 \r
 630                         game_get_board(Game,board);\r
 631                         move = move_from_san(string,board);\r
 632 \r
 633                         if (move != MoveNone && move_is_legal(move,board)) {\r
 634 \r
 635                                 XB->new_hack = false;\r
 636                                 ASSERT(!XB->result);\r
 637                                 XB->result = false;\r
 638 \r
 639                                 move_step(move);\r
 640                                 no_mess(move);\r
 641 \r
 642                         } else if (move != MoveNone) {\r
 643 \r
 644                                 gui_send(GUI,"Illegal move: %s",string);\r
 645 \r
 646                         } else {\r
 647 \r
 648                                 gui_send(GUI,"Error (unknown command): %s",string);\r
 649                         }\r
 650                 }\r
 651         return;\r
 652 }\r
 653 \r
 654 // xboard2uci_engine_step()\r
 655 \r
 656 void xboard2uci_engine_step(char string[]) {\r
 657 \r
 658         int event;\r
 659                 event = uci_parse(Uci,string);\r
 660 \r
 661                 // react to events\r
 662 \r
 663                 if ((event & EVENT_READY) != 0) {\r
 664 \r
 665                         // the engine is now ready\r
 666 \r
 667                         if (!Uci->ready) {\r
 668                                 Uci->ready = true;\r
 669                     //  if (XB->proto_ver >= 2) xboard_send(XBoard,"feature done=1");\r
 670                         }\r
 671 \r
 672                         if (!DelayPong && XB->ping >= 0) {\r
 673                                 gui_send(GUI,"pong %d",XB->ping);\r
 674                                 XB->ping = -1;\r
 675                         }\r
 676                 }\r
 677 \r
 678                 if ((event & EVENT_MOVE) != 0 && State->state == THINK) {\r
 679 \r
 680                         // the engine is playing a move\r
 681 \r
 682                         // MEGA HACK: estimate remaining time because XBoard won't send it!\r
 683 \r
 684                         my_timer_stop(State->timer);\r
 685 \r
 686                         XB->my_time -= my_timer_elapsed_real(State->timer);\r
 687                         XB->my_time += XB->inc;\r
 688                         if (XB->mps != 0 && (game_move_nb(Game) + 1) % XB->mps == 0) XB->my_time += XB->base;\r
 689 \r
 690                         if (XB->my_time < 0.0) XB->my_time = 0.0;\r
 691 \r
 692                         // play the engine move\r
 693 \r
 694                         comp_move(Uci->best_move);\r
 695                 }\r
 696 \r
 697                 if ((event & EVENT_PV) != 0) {\r
 698 \r
 699                         // the engine has sent a new PV\r
 700 \r
 701                         send_pv();\r
 702                 }\r
 703                 if((event & (EVENT_DRAW|EVENT_RESIGN))!=0){\r
 704                         my_log("POYGLOT draw offer/resign from engine\n");\r
 705                         if(uci_option_exist(Uci,"UCI_DrawOffers")){\r
 706                                 if(event & EVENT_DRAW)\r
 707                                         gui_send(GUI,"offer draw");\r
 708                                 else\r
 709                                         gui_send(GUI,"resign");\r
 710                         }\r
 711                 }\r
 712 }\r
 713 \r
 714 // format_xboard_option_line\r
 715 \r
 716 void format_xboard_option_line(char * option_line, option_t *opt){\r
 717     int j;\r
 718     char option_string[StringSize];\r
 719     strcpy(option_line,"");\r
 720     strcat(option_line,"feature option=\"");\r
 721     if(opt->mode&PG){\r
 722         strcat(option_line,"Polyglot ");\r
 723     }\r
 724     sprintf(option_string,"%s",opt->name);\r
 725     strcat(option_line,option_string);\r
 726     sprintf(option_string," -%s",opt->type);\r
 727     strcat(option_line,option_string);\r
 728     if(strcmp(opt->type,"button") && strcmp(opt->type,"combo")){\r
 729         if(strcmp(opt->type,"check")){\r
 730             sprintf(option_string," %s",opt->default_);\r
 731         }else{\r
 732             sprintf(option_string," %d",\r
 733                     strcmp(opt->default_,"true")?0:1);\r
 734         }\r
 735         strcat(option_line,option_string);\r
 736     }\r
 737     if(!strcmp(opt->type,"spin")){\r
 738         sprintf(option_string," %s",opt->min);\r
 739             strcat(option_line,option_string);\r
 740     }\r
 741     if(!strcmp(opt->type,"spin")){\r
 742         sprintf(option_string," %s",opt->max);\r
 743         strcat(option_line,option_string);\r
 744     }\r
 745     for(j=0;j<opt->var_nb;j++){\r
 746         if(!strcmp(opt->var[j],opt->default_)){\r
 747             sprintf(option_string," *%s",opt->var[j]);\r
 748         }else{\r
 749             sprintf(option_string," %s",opt->var[j]);\r
 750         }\r
 751         strcat(option_line,option_string);\r
 752         if(j!=opt->var_nb-1){\r
 753             strcat(option_line," ///");\r
 754         }\r
 755     }\r
 756     strcat(option_line,"\"");\r
 757 }\r
 758 \r
 759 // send_xboard_options\r
 760 \r
 761 static void send_xboard_options(){\r
 762     int i;\r
 763     char option_line[StringSize]="";\r
 764     option_t *p=Option;\r
 765     const char * name;\r
 766     XB->proto_ver = atoi(Star[0]);\r
 767     ASSERT(XB->proto_ver>=2);\r
 768     \r
 769     gui_send(GUI,"feature done=0");\r
 770     \r
 771     gui_send(GUI,"feature analyze=1");\r
 772     gui_send(GUI,"feature colors=0");\r
 773     gui_send(GUI,"feature draw=1");\r
 774     gui_send(GUI,"feature ics=1");\r
 775     gui_send(GUI,"feature myname=\"%s\"",option_get_string("EngineName"));\r
 776     gui_send(GUI,"feature name=1");\r
 777     gui_send(GUI,"feature pause=0");\r
 778     gui_send(GUI,"feature ping=1");\r
 779     gui_send(GUI,"feature playother=1");\r
 780     gui_send(GUI,"feature reuse=1");\r
 781     gui_send(GUI,"feature san=0");\r
 782     gui_send(GUI,"feature setboard=1");\r
 783     gui_send(GUI,"feature sigint=0");\r
 784     gui_send(GUI,"feature sigterm=0");\r
 785     gui_send(GUI,"feature time=1");\r
 786     gui_send(GUI,"feature usermove=1");\r
 787     if (XB->has_feature_memory){\r
 788         gui_send(GUI,"feature memory=1");\r
 789     }else{\r
 790         gui_send(GUI,"feature memory=0");\r
 791     }\r
 792     if (XB->has_feature_smp){\r
 793         gui_send(GUI,"feature smp=1");\r
 794     }else{\r
 795         gui_send(GUI,"feature smp=0");\r
 796     }\r
 797     if (XB->has_feature_egt){\r
 798             // TODO: support for other types of table bases\r
 799         gui_send(GUI,"feature egt=\"nalimov\"");\r
 800     }else{\r
 801         gui_send(GUI,"feature egt=\"\"");\r
 802     }\r
 803     \r
 804     if (uci_option_exist(Uci,"UCI_Chess960")) {\r
 805         gui_send(GUI,"feature variants=\"normal,fischerandom\"");\r
 806     } else {\r
 807         gui_send(GUI,"feature variants=\"normal\"");\r
 808     }\r
 809     \r
 810     for(i=0;i<Uci->option_nb;i++){\r
 811         if(my_string_case_equal(Uci->option[i].name,"UCI_AnalyseMode")) continue;\r
 812         if(my_string_case_equal(Uci->option[i].name,"Ponder")) continue;\r
 813         if(my_string_case_equal(Uci->option[i].name,"Hash")) continue;\r
 814         if(my_string_case_equal(Uci->option[i].name,"NalimovPath")) continue;\r
 815         if((name=uci_thread_option(Uci))!=NULL && my_string_case_equal(Uci->option[i].name,name)) continue;\r
 816         format_xboard_option_line(option_line,Uci->option+i);\r
 817 \r
 818         gui_send(GUI,"%s",option_line);\r
 819 \r
 820     }\r
 821     while(p->name){\r
 822         if(p->mode &XBOARD){\r
 823             format_xboard_option_line(option_line,p);\r
 824             gui_send(GUI,"%s",option_line);\r
 825         }\r
 826         p++;\r
 827     }       \r
 828     gui_send(GUI,"feature done=1"); \r
 829     \r
 830 }\r
 831 \r
 832 // report_best_score()\r
 833 \r
 834 static int report_best_score(){\r
 835     if(!option_get_bool("ScoreWhite") || colour_is_white(Uci->board->turn)){\r
 836         return Uci->best_score;\r
 837     }else{\r
 838         return -Uci->best_score;\r
 839     }\r
 840 }\r
 841 \r
 842 // comp_move()\r
 843 \r
 844 static void comp_move(int move) {\r
 845 \r
 846    board_t board[1];\r
 847    char string[256];\r
 848 \r
 849    ASSERT(move_is_ok(move));\r
 850 \r
 851    ASSERT(State->state==THINK);\r
 852    ASSERT(!XB->analyse);\r
 853 \r
 854    if(option_get_bool("RepeatPV"))\r
 855            send_pv(); // to update time and nodes\r
 856 \r
 857    // send the move\r
 858 \r
 859    game_get_board(Game,board);\r
 860 \r
 861    if (move_is_castle(move,board) && option_get_bool("Chess960")) {\r
 862       if (!move_to_san(move,board,string,256)) my_fatal("comp_move(): move_to_san() failed\n"); // O-O/O-O-O\r
 863    } else {\r
 864       if (!move_to_can(move,board,string,256)) my_fatal("comp_move(): move_to_can() failed\n");\r
 865    }\r
 866 \r
 867    gui_send(GUI,"move %s",string);\r
 868 \r
 869    // resign?\r
 870 \r
 871    if (option_get_bool("Resign") && Uci->root_move_nb > 1) {\r
 872 \r
 873       if (Uci->best_score <= -abs(option_get_int("ResignScore"))) {\r
 874 \r
 875          State->resign_nb++;\r
 876          my_log("POLYGLOT %d move%s with resign score\n",State->resign_nb,(State->resign_nb>1)?"s":"");\r
 877 \r
 878          if (State->resign_nb >= option_get_int("ResignMoves")) {\r
 879             my_log("POLYGLOT *** RESIGN ***\n");\r
 880             gui_send(GUI,"resign");\r
 881          }\r
 882 \r
 883       } else {\r
 884 \r
 885          if (State->resign_nb > 0) my_log("POLYGLOT resign reset (State->resign_nb=%d)\n",State->resign_nb);\r
 886          State->resign_nb = 0;\r
 887       }\r
 888    }\r
 889 \r
 890    // play the move\r
 891 \r
 892    move_step(move);\r
 893    no_mess(move);\r
 894 }\r
 895 \r
 896 // move_step()\r
 897 \r
 898 static void move_step(int move) {\r
 899 \r
 900    board_t board[1];\r
 901    char move_string[256];\r
 902 \r
 903    ASSERT(move_is_ok(move));\r
 904 \r
 905    // log\r
 906 \r
 907    game_get_board(Game,board);\r
 908 \r
 909    if (move != MoveNone && move_is_legal(move,board)) {\r
 910 \r
 911       move_to_san(move,board,move_string,256);\r
 912       my_log("POLYGLOT MOVE %s\n",move_string);\r
 913 \r
 914    } else {\r
 915 \r
 916       move_to_can(move,board,move_string,256);\r
 917       my_log("POLYGLOT ILLEGAL MOVE \"%s\"\n",move_string);\r
 918       board_disp(board);\r
 919 \r
 920       my_fatal("move_step(): illegal move \"%s\"\n",move_string);\r
 921    }\r
 922 \r
 923    // play the move\r
 924 \r
 925    game_add_move(Game,move);\r
 926    board_update();\r
 927 }\r
 928 \r
 929 // board_update()\r
 930 \r
 931 static void board_update() {\r
 932 \r
 933    // handle game end\r
 934 \r
 935    ASSERT(!XB->result);\r
 936 \r
 937    switch (game_status(Game)) {\r
 938    case PLAYING:\r
 939       break;\r
 940    case WHITE_MATES:\r
 941       gui_send(GUI,"1-0 {White mates}");\r
 942       break;\r
 943    case BLACK_MATES:\r
 944       gui_send(GUI,"0-1 {Black mates}");\r
 945       break;\r
 946    case STALEMATE:\r
 947       gui_send(GUI,"1/2-1/2 {Stalemate}");\r
 948       break;\r
 949    case DRAW_MATERIAL:\r
 950       gui_send(GUI,"1/2-1/2 {Draw by insufficient material}");\r
 951       break;\r
 952    case DRAW_FIFTY:\r
 953       gui_send(GUI,"1/2-1/2 {Draw by fifty-move rule}");\r
 954       break;\r
 955    case DRAW_REPETITION:\r
 956       gui_send(GUI,"1/2-1/2 {Draw by repetition}");\r
 957       break;\r
 958    default:\r
 959       ASSERT(false);\r
 960       break;\r
 961    }\r
 962 }\r
 963 \r
 964 // mess()\r
 965 \r
 966 static void mess() {\r
 967 \r
 968    // clear state variables\r
 969 \r
 970    State->resign_nb = 0;\r
 971    State->exp_move = MoveNone;\r
 972    my_timer_reset(State->timer);\r
 973 \r
 974    // abort a possible search\r
 975 \r
 976    stop_search();\r
 977 \r
 978    // calculate the new state\r
 979 \r
 980    if (false) {\r
 981    } else if (!active()) {\r
 982       State->state = WAIT;\r
 983       my_log("POLYGLOT WAIT\n");\r
 984    } else if (XB->analyse) {\r
 985       State->state = ANALYSE;\r
 986       my_log("POLYGLOT ANALYSE\n");\r
 987    } else if (State->computer[game_turn(Game)]) {\r
 988       State->state = THINK;\r
 989       my_log("POLYGLOT THINK\n");\r
 990    } else {\r
 991       State->state = WAIT;\r
 992       my_log("POLYGLOT WAIT\n");\r
 993    }\r
 994 \r
 995    search_update();\r
 996 }\r
 997 \r
 998 // no_mess()\r
 999 \r
1000 static void no_mess(int move) {\r
1001 \r
1002    ASSERT(move_is_ok(move));\r
1003 \r
1004    // just received a move, calculate the new state\r
1005 \r
1006    if (false) {\r
1007 \r
1008    } else if (!active()) {\r
1009 \r
1010       stop_search(); // abort a possible search\r
1011 \r
1012       State->state = WAIT;\r
1013       State->exp_move = MoveNone;\r
1014 \r
1015       my_log("POLYGLOT WAIT\n");\r
1016 \r
1017    } else if (State->state == WAIT) {\r
1018 \r
1019       ASSERT(State->computer[game_turn(Game)]);\r
1020       ASSERT(!State->computer[colour_opp(game_turn(Game))]);\r
1021       ASSERT(!XB->analyse);\r
1022 \r
1023       my_log("POLYGLOT WAIT -> THINK\n");\r
1024 \r
1025       State->state = THINK;\r
1026       State->exp_move = MoveNone;\r
1027 \r
1028    } else if (State->state == THINK) {\r
1029 \r
1030       ASSERT(!State->computer[game_turn(Game)]);\r
1031       ASSERT(State->computer[colour_opp(game_turn(Game))]);\r
1032       ASSERT(!XB->analyse);\r
1033 \r
1034       if (ponder() && ponder_ok(Uci->ponder_move)) {\r
1035 \r
1036          my_log("POLYGLOT THINK -> PONDER\n");\r
1037 \r
1038          State->state = PONDER;\r
1039          State->exp_move = Uci->ponder_move;\r
1040 \r
1041       } else {\r
1042 \r
1043          my_log("POLYGLOT THINK -> WAIT\n");\r
1044 \r
1045          State->state = WAIT;\r
1046          State->exp_move = MoveNone;\r
1047       }\r
1048 \r
1049    } else if (State->state == PONDER) {\r
1050 \r
1051       ASSERT(State->computer[game_turn(Game)]);\r
1052       ASSERT(!State->computer[colour_opp(game_turn(Game))]);\r
1053       ASSERT(!XB->analyse);\r
1054 \r
1055       if (move == State->exp_move && Uci->searching) {\r
1056 \r
1057          ASSERT(Uci->searching);\r
1058          ASSERT(Uci->pending_nb>=1);\r
1059 \r
1060          my_timer_start(State->timer);//also resets\r
1061 \r
1062          my_log("POLYGLOT PONDER -> THINK (*** HIT ***)\n");\r
1063          engine_send(Engine,"ponderhit");\r
1064 \r
1065          State->state = THINK;\r
1066          State->exp_move = MoveNone;\r
1067 \r
1068          send_pv(); // update display\r
1069 \r
1070          return; // do not launch a new search\r
1071 \r
1072       } else {\r
1073 \r
1074          my_log("POLYGLOT PONDER -> THINK (miss)\n");\r
1075 \r
1076          stop_search();\r
1077 \r
1078          State->state = THINK;\r
1079          State->exp_move = MoveNone;\r
1080       }\r
1081 \r
1082    } else if (State->state == ANALYSE) {\r
1083 \r
1084       ASSERT(XB->analyse);\r
1085 \r
1086       my_log("POLYGLOT ANALYSE -> ANALYSE\n");\r
1087 \r
1088       stop_search();\r
1089 \r
1090    } else {\r
1091 \r
1092       ASSERT(false);\r
1093    }\r
1094 \r
1095    search_update();\r
1096 }\r
1097 \r
1098 // start_protected_command()\r
1099 \r
1100 static void start_protected_command(){\r
1101     stop_search();\r
1102 }\r
1103 \r
1104 static void end_protected_command(){\r
1105     if(Uci->ready){ // not init faze\r
1106         uci_send_isready_sync(Uci); // gobble up spurious "bestmove"\r
1107     }\r
1108     update_remaining_time();\r
1109     search_update();   // relaunch search if necessary\r
1110 }\r
1111 \r
1112 // update_remaining_time()\r
1113 \r
1114 static void update_remaining_time(){\r
1115    double reduce;\r
1116    if(State->timer->running){\r
1117        my_timer_stop(State->timer);\r
1118        reduce = my_timer_elapsed_real(State->timer);\r
1119        my_log("POLYGLOT reducing remaing time by %f seconds\n",reduce);\r
1120        XB->my_time -= reduce;\r
1121        if(XB->my_time<0.0){\r
1122            XB->my_time=0.0;\r
1123        }\r
1124    }\r
1125 }\r
1126 \r
1127 \r
1128 // search_update()\r
1129 \r
1130 static void search_update() {\r
1131 \r
1132    int move;\r
1133    int move_nb;\r
1134    board_t board[1];\r
1135 \r
1136    ASSERT(!Uci->searching);\r
1137 \r
1138 \r
1139 \r
1140    \r
1141    // launch a new search if needed\r
1142 \r
1143    \r
1144 \r
1145    if (State->state == THINK || State->state == PONDER || State->state == ANALYSE) {\r
1146 \r
1147       // opening book\r
1148 \r
1149       if (State->state == THINK && option_get_bool("Book")) {\r
1150 \r
1151          game_get_board(Game,Uci->board);\r
1152 \r
1153          move = book_move(Uci->board,option_get_bool("BookRandom"));\r
1154 \r
1155          if (move != MoveNone && move_is_legal(move,Uci->board)) {\r
1156 \r
1157             my_log("POLYGLOT *BOOK MOVE*\n");\r
1158 \r
1159             search_clear(); // clears Uci->ponder_move\r
1160             Uci->best_move = move;\r
1161 \r
1162             board_copy(board,Uci->board);\r
1163             move_do(board,move);\r
1164             Uci->ponder_move = book_move(board,false); // expected move = best book move\r
1165 \r
1166             Uci->best_pv[0] = Uci->best_move;\r
1167             Uci->best_pv[1] = Uci->ponder_move; // can be MoveNone\r
1168             Uci->best_pv[2] = MoveNone;\r
1169 \r
1170             comp_move(Uci->best_move);\r
1171 \r
1172             return;\r
1173          }\r
1174       }\r
1175 \r
1176       // engine search\r
1177 \r
1178       my_log("POLYGLOT START SEARCH\n");\r
1179 \r
1180       // options\r
1181 \r
1182       uci_send_option(Uci,"UCI_Chess960","%s",option_get_bool("Chess960")?"true":"false");\r
1183 \r
1184       if (option_get_int("UCIVersion") >= 2) {\r
1185          uci_send_option(Uci,"UCI_Opponent","none none %s %s",(XB->computer)?"computer":"human",XB->name);\r
1186          uci_send_option(Uci,"UCI_AnalyseMode","%s",(XB->analyse)?"true":"false");\r
1187       }\r
1188 \r
1189       uci_send_option(Uci,"Ponder","%s",ponder()?"true":"false");\r
1190 \r
1191       // position\r
1192 \r
1193       move = (State->state == PONDER) ? State->exp_move : MoveNone;\r
1194       send_board(move); // updates Uci->board global variable\r
1195 \r
1196       // search\r
1197 \r
1198       if (State->state == THINK || State->state == PONDER) {\r
1199 \r
1200          engine_send_queue(Engine,"go");\r
1201 \r
1202          if (XB->time_limit) {\r
1203 \r
1204             // fixed time per move\r
1205 \r
1206             engine_send_queue(Engine," movetime %.0f",XB->time_max*1000.0);\r
1207 \r
1208          } else {\r
1209 \r
1210             // time controls\r
1211 \r
1212             if (colour_is_white(Uci->board->turn)) {\r
1213                engine_send_queue(Engine," wtime %.0f btime %.0f",XB->my_time*1000.0,XB->opp_time*1000.0);\r
1214             } else {\r
1215                engine_send_queue(Engine," wtime %.0f btime %.0f",XB->opp_time*1000.0,XB->my_time*1000.0);\r
1216             }\r
1217 \r
1218             if (XB->inc != 0.0) engine_send_queue(Engine," winc %.0f binc %.0f",XB->inc*1000.0,XB->inc*1000.0);\r
1219 \r
1220             if (XB->mps != 0) {\r
1221 \r
1222                move_nb = XB->mps - (Uci->board->move_nb % XB->mps);\r
1223                ASSERT(move_nb>=1&&move_nb<=XB->mps);\r
1224 \r
1225                engine_send_queue(Engine," movestogo %d",move_nb);\r
1226             }\r
1227          }\r
1228 \r
1229          if (XB->depth_limit) engine_send_queue(Engine," depth %d",XB->depth_max);\r
1230 \r
1231          if (State->state == PONDER) engine_send_queue(Engine," ponder");\r
1232 \r
1233          engine_send(Engine,""); // newline\r
1234 \r
1235       } else if (State->state == ANALYSE) {\r
1236 \r
1237          engine_send(Engine,"go infinite");\r
1238 \r
1239       } else {\r
1240 \r
1241          ASSERT(false);\r
1242       }\r
1243 \r
1244       // init search info\r
1245 \r
1246       ASSERT(!Uci->searching);\r
1247 \r
1248       search_clear();\r
1249 \r
1250       Uci->searching = true;\r
1251       Uci->pending_nb++;\r
1252    }\r
1253 }\r
1254 \r
1255 // search_clear()\r
1256 \r
1257 static void search_clear() {\r
1258 \r
1259    uci_clear(Uci);\r
1260 \r
1261    // TODO: MOVE ME\r
1262 \r
1263    my_timer_start(State->timer);//also resets\r
1264 }\r
1265 \r
1266 // active()\r
1267 \r
1268 static bool active() {\r
1269 \r
1270    // position state\r
1271 \r
1272    if (game_status(Game) != PLAYING) return false; // game ended\r
1273 \r
1274    // xboard state\r
1275 \r
1276    if (XB->analyse) return true; // analysing\r
1277    if (!State->computer[White] && !State->computer[Black]) return false; // force mode\r
1278    if (XB->new_hack || XB->result) return false; // unstarted or ended game\r
1279 \r
1280    return true; // playing\r
1281 }\r
1282 \r
1283 // ponder()\r
1284 \r
1285 static bool ponder() {\r
1286 \r
1287    return XB->ponder && (option_get_bool("CanPonder") || uci_option_exist(Uci,"Ponder"));\r
1288 }\r
1289 // ponder_ok()\r
1290 \r
1291 static bool ponder_ok(int move) {\r
1292    int status;\r
1293    board_t board[1];\r
1294 \r
1295    ASSERT(move==MoveNone||move_is_ok(move));\r
1296 \r
1297    // legal ponder move?\r
1298 \r
1299    if (move == MoveNone) return false;\r
1300 \r
1301    game_get_board(Game,board);\r
1302    if (!move_is_legal(move,board)) return false;\r
1303 \r
1304    // UCI-legal resulting position?\r
1305 \r
1306    game_add_move(Game,move);\r
1307 \r
1308    game_get_board(Game,board);\r
1309    status = game_status(Game);\r
1310 \r
1311    game_rem_move(Game);\r
1312 \r
1313    if (status != PLAYING) return false; // game ended\r
1314 \r
1315    if (option_get_bool("Book") && is_in_book(board)) {\r
1316       return false;\r
1317    }\r
1318 \r
1319    return true;\r
1320 }\r
1321 \r
1322 // stop_search()\r
1323 \r
1324 static void stop_search() {\r
1325 \r
1326    if (Uci->searching) {\r
1327 \r
1328       ASSERT(Uci->searching);\r
1329       ASSERT(Uci->pending_nb>=1);\r
1330 \r
1331       my_log("POLYGLOT STOP SEARCH\n");\r
1332 \r
1333 /*\r
1334       engine_send(Engine,"stop");\r
1335       Uci->searching = false;\r
1336 */\r
1337 \r
1338       if (option_get_bool("SyncStop")) {\r
1339          uci_send_stop_sync(Uci);\r
1340       } else {\r
1341          uci_send_stop(Uci);\r
1342       }\r
1343         }\r
1344 }\r
1345 \r
1346 // send_board()\r
1347 \r
1348 static void send_board(int extra_move) {\r
1349 \r
1350    char fen[256];\r
1351    int start, end;\r
1352    board_t board[1];\r
1353    int pos;\r
1354    int move;\r
1355    char string[256];\r
1356 \r
1357    ASSERT(extra_move==MoveNone||move_is_ok(extra_move));\r
1358 \r
1359    ASSERT(!Uci->searching);\r
1360 \r
1361    // init\r
1362 \r
1363    game_get_board(Game,Uci->board);\r
1364    if (extra_move != MoveNone) move_do(Uci->board,extra_move);\r
1365 \r
1366    board_to_fen(Uci->board,fen,256);\r
1367    my_log("POLYGLOT FEN %s\n",fen);\r
1368 \r
1369    ASSERT(board_can_play(Uci->board));\r
1370 \r
1371    // more init\r
1372 \r
1373    start = 0;\r
1374    end = game_pos(Game);\r
1375    ASSERT(end>=start);\r
1376 \r
1377    // position\r
1378 \r
1379    game_get_board(Game,board,start);\r
1380    board_to_fen(board,string,256);\r
1381 \r
1382    engine_send_queue(Engine,"position");\r
1383 \r
1384    if (my_string_equal(string,StartFen)) {\r
1385       engine_send_queue(Engine," startpos");\r
1386    } else {\r
1387       engine_send_queue(Engine," fen %s",string);\r
1388    }\r
1389 \r
1390    // move list\r
1391 \r
1392    if (end > start || extra_move != MoveNone) engine_send_queue(Engine," moves");\r
1393 \r
1394    for (pos = start; pos < end; pos++) { // game moves\r
1395 \r
1396       move = game_move(Game,pos);\r
1397 \r
1398       move_to_can(move,board,string,256);\r
1399       engine_send_queue(Engine," %s",string);\r
1400 \r
1401       move_do(board,move);\r
1402    }\r
1403 \r
1404    if (extra_move != MoveNone) { // move to ponder on\r
1405       move_to_can(extra_move,board,string,256);\r
1406       engine_send_queue(Engine," %s",string);\r
1407    }\r
1408 \r
1409    // end\r
1410 \r
1411    engine_send(Engine,""); // newline\r
1412 }\r
1413 \r
1414 // send_pv()\r
1415 \r
1416 static void send_pv() {\r
1417 \r
1418    char pv_string[StringSize];\r
1419    board_t board[1];\r
1420    int move;\r
1421    char move_string[StringSize];\r
1422 \r
1423    ASSERT(State->state!=WAIT);\r
1424 \r
1425    if (Uci->best_depth == 0) return;\r
1426 \r
1427    // xboard search information\r
1428 \r
1429    if (XB->post) {\r
1430 \r
1431       if (State->state == THINK || State->state == ANALYSE) {\r
1432 \r
1433          line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
1434 \r
1435                  if(Uci->depth==-1) //hack to clear the engine output window\r
1436              gui_send(GUI,"%d %+d %.0f "S64_FORMAT" ",0,report_best_score(),Uci->time*100.0,Uci->node_nb);\r
1437 \r
1438                  gui_send(GUI,"%d %+d %.0f "S64_FORMAT" %s",Uci->best_depth,report_best_score(),Uci->time*100.0,Uci->node_nb,pv_string);\r
1439 \r
1440       } else if (State->state == PONDER && option_get_bool("ShowPonder")) {\r
1441 \r
1442          game_get_board(Game,board);\r
1443          move = State->exp_move;\r
1444 \r
1445          if (move != MoveNone && move_is_legal(move,board)) {\r
1446             move_to_san(move,board,move_string,256);\r
1447             line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
1448             gui_send(GUI,"%d %+d %.0f "S64_FORMAT" (%s) %s",Uci->best_depth,report_best_score(),Uci->time*100.0,Uci->node_nb,move_string,pv_string);\r
1449          }\r
1450       }\r
1451    }\r
1452 \r
1453    // kibitz\r
1454 \r
1455    if ((Uci->searching && option_get_bool("KibitzPV") && Uci->time >= option_get_double("KibitzDelay"))\r
1456     || (!Uci->searching && option_get_bool("KibitzMove"))) {\r
1457 \r
1458       if (State->state == THINK || State->state == ANALYSE) {\r
1459 \r
1460          line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
1461          if(kibitz_throttle(Uci->searching)){\r
1462              gui_send(GUI,"%s depth=%d time=%.2f node="S64_FORMAT" speed=%.0f score=%+.2f pv=\"%s\"",option_get_string("KibitzCommand"),Uci->best_depth,Uci->time,Uci->node_nb,Uci->speed,double(report_best_score())/100.0,pv_string);\r
1463          }\r
1464       } else if (State->state == PONDER) {\r
1465 \r
1466          game_get_board(Game,board);\r
1467          move = State->exp_move;\r
1468 \r
1469          if (move != MoveNone && move_is_legal(move,board)) {\r
1470             move_to_san(move,board,move_string,256);\r
1471             line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
1472             if(kibitz_throttle(Uci->searching)){\r
1473                 gui_send(GUI,"%s depth=%d time=%.2f node="S64_FORMAT" speed=%.0f score=%+.2f pv=\"(%s) %s\"",option_get_string("KibitzCommand"),Uci->best_depth,Uci->time,Uci->node_nb,Uci->speed,double(report_best_score())/100.0,move_string,pv_string);\r
1474             }\r
1475          }\r
1476       }\r
1477    }\r
1478 }\r
1479 \r
1480 // kibitz_throttle()\r
1481 \r
1482 static bool kibitz_throttle(bool searching){\r
1483     time_t curr_time;\r
1484     static time_t lastKibitzMove=0;\r
1485     static time_t lastKibitzPV=0;\r
1486     curr_time = time(NULL);\r
1487     if(searching){   // KibitzPV\r
1488         if(curr_time >= (option_get_int("KibitzInterval") + lastKibitzPV)){\r
1489             lastKibitzPV=curr_time;\r
1490             return true;\r
1491         }\r
1492     }else{       // KibitzMove\r
1493         if(curr_time >= (option_get_int("KibitzInterval") + lastKibitzMove)){\r
1494             lastKibitzPV=curr_time;\r
1495             lastKibitzMove=curr_time;\r
1496             return true;\r
1497         }        \r
1498     }\r
1499     return false;\r
1500 }\r
1501 \r
1502 // learn()\r
1503 \r
1504 static void learn(int result) {\r
1505 \r
1506    int pos;\r
1507    board_t board[1];\r
1508    int move;\r
1509 \r
1510    ASSERT(result>=-1&&result<=+1);\r
1511 \r
1512    ASSERT(XB->result);\r
1513    ASSERT(State->computer[White]||State->computer[Black]);\r
1514 \r
1515    // init\r
1516 \r
1517    pos = 0;\r
1518 \r
1519    if (false) {\r
1520    } else if (State->computer[White]) {\r
1521       pos = 0;\r
1522    } else if (State->computer[Black]) {\r
1523       pos = 1;\r
1524       result = -result;\r
1525    } else {\r
1526       my_fatal("learn(): unknown side\n");\r
1527    }\r
1528 \r
1529    if (false) {\r
1530    } else if (result > 0) {\r
1531       my_log("POLYGLOT *LEARN WIN*\n");\r
1532    } else if (result < 0) {\r
1533       my_log("POLYGLOT *LEARN LOSS*\n");\r
1534    } else {\r
1535       my_log("POLYGLOT *LEARN DRAW*\n");\r
1536    }\r
1537 \r
1538    // loop\r
1539 \r
1540    for (; pos < Game->size; pos += 2) {\r
1541 \r
1542       game_get_board(Game,board,pos);\r
1543       move = game_move(Game,pos);\r
1544 \r
1545       book_learn_move(board,move,result);\r
1546    }\r
1547 \r
1548    book_flush();\r
1549 }\r
1550 \r
1551 // end of adapter.cpp\r