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 \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 void start_protected_command();\r
  97 static void end_protected_command();\r
  98 \r
  99 static bool active         ();\r
 100 static bool ponder         ();\r
 101 static bool ponder_ok      (int ponder_move);\r
 102 \r
 103 static void stop_search    ();\r
 104 \r
 105 static void send_board     (int extra_move);\r
 106 static void send_pv        ();\r
 107 \r
 108 static void send_xboard_options ();\r
 109 \r
 110 static void learn          (int result);\r
 111 \r
 112 \r
 113 // functions\r
 114 \r
 115 // xboard_init()\r
 116 \r
 117 void xboard_init() {\r
 118    // init\r
 119 \r
 120    game_clear(Game);\r
 121 \r
 122    // state\r
 123 \r
 124    State->state = WAIT;\r
 125 \r
 126    State->computer[White] = false;\r
 127    State->computer[Black] = true;\r
 128 \r
 129    State->exp_move = MoveNone;\r
 130    State->resign_nb = 0;\r
 131    my_timer_reset(State->timer);\r
 132 \r
 133    // yes there are engines that do not have the "Hash" option....\r
 134    XB->has_feature_memory= uci_option_exist(Uci,"Hash");\r
 135    XB->has_feature_smp = uci_thread_option_exist(Uci);\r
 136    // TODO: support for other types of table bases\r
 137    XB->has_feature_egt = uci_option_exist(Uci,"NalimovPath");\r
 138    XB->analyse = false;\r
 139    XB->computer = false;\r
 140    XB->name = NULL;\r
 141    my_string_set(&XB->name,"<empty>");\r
 142    XB->ics = false;\r
 143    XB->new_hack = true;\r
 144    XB->ping = -1;\r
 145    XB->ponder = false;\r
 146    XB->post = false;\r
 147    XB->proto_ver = 1;\r
 148    XB->result = false;\r
 149 \r
 150    XB->mps = 0;\r
 151    XB->base = 300.0;\r
 152    XB->inc = 0.0;\r
 153 \r
 154    XB->time_limit = false;\r
 155    XB->time_max = 5.0;\r
 156 \r
 157    XB->depth_limit = false;\r
 158    XB->depth_max = 127;\r
 159 \r
 160    XB->my_time = 300.0;\r
 161    XB->opp_time = 300.0;\r
 162 }\r
 163 \r
 164 void xboard_step(char string[]) {\r
 165 \r
 166         int move;\r
 167         char move_string[256];\r
 168         board_t board[1];\r
 169     static bool firsttime=true;\r
 170 \r
 171     if(firsttime){\r
 172             if((match(string,"uci"))){\r
 173                     my_log("POLYGLOT *** Switching to UCI mode ***\n");\r
 174                     send_uci_options();\r
 175                     option_set("UCI","true");\r
 176                     return;\r
 177             }else{\r
 178                  //uci_send_isready(Uci); // In UCI mode this done by the GUI\r
 179                  //Grrr...Toga can fixes the number of threads after "isready"\r
 180                  //So we delay "isready" \r
 181             }\r
 182             firsttime=false;\r
 183         }\r
 184                 if (false) {\r
 185          \r
 186                 } else if (match(string,"accepted *")) {\r
 187 \r
 188                         // ignore\r
 189 \r
 190                 } else if (match(string,"analyze")) {\r
 191 \r
 192                         State->computer[White] = false;\r
 193                         State->computer[Black] = false;\r
 194 \r
 195                         XB->analyse = true;\r
 196                         XB->new_hack = false;\r
 197                         ASSERT(!XB->result);\r
 198                         XB->result = false;\r
 199 \r
 200                         mess();\r
 201 \r
 202                 } else if (match(string,"bk")) {\r
 203 \r
 204                         if (option_get_bool("Book")) {\r
 205                                 game_get_board(Game,board);\r
 206                                 book_disp(board);\r
 207                         }\r
 208 \r
 209                 } else if (match(string,"black")) {\r
 210 \r
 211                         if (colour_is_black(game_turn(Game))) {\r
 212 \r
 213                                 State->computer[White] = true;\r
 214                                 State->computer[Black] = false;\r
 215 \r
 216                                 XB->new_hack = true;\r
 217                                 XB->result = false;\r
 218 \r
 219                                 mess();\r
 220                         }\r
 221 \r
 222                 } else if (match(string,"computer")) {\r
 223 \r
 224                         XB->computer = true;\r
 225 \r
 226                 } else if (match(string,"draw")) {\r
 227                         if(uci_option_exist(Uci,"UCI_DrawOffers")){\r
 228                             my_log("POLYGLOT draw from XB received");\r
 229                                 uci_send_option(Uci,"DrawOffer","%s","draw");}\r
 230                 } else if (match(string,"easy")) {\r
 231 \r
 232                         XB->ponder = false;\r
 233 \r
 234                         mess();\r
 235 \r
 236                 } else if (match(string,"edit")) {\r
 237 \r
 238                         // refuse\r
 239 \r
 240                         gui_send(GUI,"Error (unknown command): %s",string);\r
 241 \r
 242                 } else if (match(string,"exit")) {\r
 243 \r
 244                         State->computer[White] = false;\r
 245                         State->computer[Black] = false;\r
 246 \r
 247                         XB->analyse = false;\r
 248 \r
 249                         mess();\r
 250 \r
 251                 } else if (match(string,"force")) {\r
 252 \r
 253                         State->computer[White] = false;\r
 254                         State->computer[Black] = false;\r
 255 \r
 256                         mess();\r
 257 \r
 258                 } else if (match(string,"go")) {\r
 259 \r
 260                         State->computer[game_turn(Game)] = true;\r
 261                         State->computer[colour_opp(game_turn(Game))] = false;\r
 262 \r
 263                         XB->new_hack = false;\r
 264                         ASSERT(!XB->result);\r
 265                         XB->result = false;\r
 266 \r
 267                         mess();\r
 268 \r
 269                 } else if (match(string,"hard")) {\r
 270 \r
 271                         XB->ponder = true;\r
 272 \r
 273                         mess();\r
 274 \r
 275                 } else if (match(string,"hint")) {\r
 276 \r
 277                         if (option_get_bool("Book")) {\r
 278 \r
 279                                 game_get_board(Game,board);\r
 280                                 move = book_move(board,false);\r
 281 \r
 282                                 if (move != MoveNone && move_is_legal(move,board)) {\r
 283                                         move_to_san(move,board,move_string,256);\r
 284                                         gui_send(GUI,"Hint: %s",move_string);\r
 285                                 }\r
 286                         }\r
 287 \r
 288                 } else if (match(string,"ics *")) {\r
 289 \r
 290                         XB->ics = true;\r
 291 \r
 292                 } else if (match(string,"level * *:* *")) {\r
 293 \r
 294                         XB->mps  = atoi(Star[0]);\r
 295                         XB->base = double(atoi(Star[1])) * 60.0 + double(atoi(Star[2]));\r
 296                         XB->inc  = double(atoi(Star[3]));\r
 297 \r
 298                 } else if (match(string,"level * * *")) {\r
 299 \r
 300                         XB->mps  = atoi(Star[0]);\r
 301                         XB->base = double(atoi(Star[1])) * 60.0;\r
 302                         XB->inc  = double(atoi(Star[2]));\r
 303 \r
 304                 } else if (match(string,"name *")) {\r
 305 \r
 306                         my_string_set(&XB->name,Star[0]);\r
 307 \r
 308                 } else if (match(string,"new")) {\r
 309 \r
 310             uci_send_isready(Uci);\r
 311                         my_log("POLYGLOT NEW GAME\n");\r
 312 \r
 313                         option_set("Chess960","false");\r
 314 \r
 315                         game_clear(Game);\r
 316 \r
 317                         if (XB->analyse) {\r
 318                                 State->computer[White] = false;\r
 319                                 State->computer[Black] = false;\r
 320                         } else {\r
 321                                 State->computer[White] = false;\r
 322                                 State->computer[Black] = true;\r
 323                         }\r
 324 \r
 325                         XB->new_hack = true;\r
 326                         XB->result = false;\r
 327 \r
 328                         XB->depth_limit = false;\r
 329 \r
 330                         XB->computer = false;\r
 331                         my_string_set(&XB->name,"<empty>");\r
 332 \r
 333                         board_update();\r
 334                         mess();\r
 335 \r
 336                         uci_send_ucinewgame(Uci);\r
 337 \r
 338                 } else if (match(string,"nopost")) {\r
 339 \r
 340                         XB->post = false;\r
 341 \r
 342                 } else if (match(string,"otim *")) {\r
 343 \r
 344                         XB->opp_time = double(atoi(Star[0])) / 100.0;\r
 345                         if (XB->opp_time < 0.0) XB->opp_time = 0.0;\r
 346 \r
 347                 } else if (match(string,"pause")) {\r
 348 \r
 349                         // refuse\r
 350 \r
 351                         gui_send(GUI,"Error (unknown command): %s",string);\r
 352 \r
 353                 } else if (match(string,"ping *")) {\r
 354 \r
 355                         // HACK; TODO: answer only after an engine move\r
 356 \r
 357                         if (DelayPong) {\r
 358                                 if (XB->ping >= 0) gui_send(GUI,"pong %d",XB->ping); // HACK: get rid of old ping\r
 359                                 XB->ping = atoi(Star[0]);\r
 360                                 uci_send_isready(Uci);\r
 361                         } else {\r
 362                                 ASSERT(XB->ping==-1);\r
 363                                 gui_send(GUI,"pong %s",Star[0]);\r
 364                         }\r
 365 \r
 366                 } else if (match(string,"playother")) {\r
 367 \r
 368                         State->computer[game_turn(Game)] = false;\r
 369                         State->computer[colour_opp(game_turn(Game))] = true;\r
 370 \r
 371                         XB->new_hack = false;\r
 372                         ASSERT(!XB->result);\r
 373                         XB->result = false;\r
 374 \r
 375                         mess();\r
 376 \r
 377                 } else if (match(string,"post")) {\r
 378 \r
 379                         XB->post = true;\r
 380 \r
 381                 } else if (match(string,"protover *")) {\r
 382 \r
 383             send_xboard_options();\r
 384 \r
 385                 } else if (match(string,"quit")) {\r
 386                         my_log("POLYGLOT *** \"quit\" from GUI ***\n");\r
 387                         quit();\r
 388                 } else if (match(string,"random")) {\r
 389 \r
 390                         // ignore\r
 391 \r
 392                 } else if (match(string,"rating * *")) {\r
 393 \r
 394                         // ignore\r
 395 \r
 396                 } else if (match(string,"remove")) {\r
 397 \r
 398                         if (game_pos(Game) >= 2) {\r
 399 \r
 400                                 game_goto(Game,game_pos(Game)-2);\r
 401 \r
 402                                 ASSERT(!XB->new_hack);\r
 403                                 XB->new_hack = false; // HACK?\r
 404                                 XB->result = false;\r
 405 \r
 406                                 board_update();\r
 407                                 mess();\r
 408                         }\r
 409 \r
 410                 } else if (match(string,"rejected *")) {\r
 411 \r
 412                         // ignore\r
 413 \r
 414                 } else if (match(string,"reset")) { // protover 3?\r
 415 \r
 416                         // refuse\r
 417 \r
 418                         gui_send(GUI,"Error (unknown command): %s",string);\r
 419 \r
 420                 } else if (false\r
 421                         || match(string,"result * {*}")\r
 422                         || match(string,"result * {* }")\r
 423                         || match(string,"result * { *}")\r
 424                         || match(string,"result * { * }")) {\r
 425 \r
 426                                 my_log("POLYGLOT GAME END\n");\r
 427 \r
 428                                 XB->result = true;\r
 429 \r
 430                                 mess();\r
 431 \r
 432                                 // book learning\r
 433 \r
 434                                 if (option_get_bool("Book") && option_get_bool("BookLearn")) {\r
 435 \r
 436                                         if (false) {\r
 437                                         } else if (my_string_equal(Star[0],"1-0")) {\r
 438                                                 learn(+1);\r
 439                                         } else if (my_string_equal(Star[0],"0-1")) {\r
 440                                                 learn(-1);\r
 441                                         } else if (my_string_equal(Star[0],"1/2-1/2")) {\r
 442                                                 learn(0);\r
 443                                         }\r
 444                                 }\r
 445                 } else if (match(string,"resume")) {\r
 446 \r
 447                         // refuse\r
 448 \r
 449                         gui_send(GUI,"Error (unknown command): %s",string);\r
 450 \r
 451         } else if (match(string,"option *=*")){\r
 452             char *name=Star[0];\r
 453             char *value=Star[1];\r
 454             if(match(name, "Polyglot *")){\r
 455                 char *pg_name=Star[0];\r
 456                 polyglot_set_option(pg_name,value);\r
 457             }else{\r
 458                 start_protected_command();\r
 459                 engine_send(Engine,"setoption name %s value %s",name,value);\r
 460                 end_protected_command();\r
 461             }\r
 462         } else if (match(string,"option *")){\r
 463             char *name=Star[0];\r
 464             start_protected_command();\r
 465             engine_send(Engine,"setoption name %s",name);\r
 466             end_protected_command();\r
 467         } else if (XB->has_feature_smp && match(string,"cores *")){\r
 468                 int cores=atoi(Star[0]);\r
 469                 if(cores>=1){\r
 470                     // updating the number of cores\r
 471                     my_log("POLYGLOT setting the number of cores to %d\n",cores);\r
 472                     start_protected_command();\r
 473                     uci_set_threads(Uci,cores); \r
 474                     end_protected_command();\r
 475                 } else{\r
 476                    // refuse\r
 477                     gui_send(GUI,"Error (unknown command): %s",string);\r
 478                 }\r
 479         } else if (XB->has_feature_egt && match(string,"egtpath * *")){\r
 480                 char *type=Star[0];\r
 481                 char *path=Star[1];\r
 482                 if(!my_string_case_equal(Star[0],"nalimov")){\r
 483                    // refuse\r
 484                     gui_send(GUI,"Error (unsupported table base format): %s",string);\r
 485                 }else if(my_string_empty(path)){\r
 486                     // refuse\r
 487                     gui_send(GUI,"Error (unknown command): %s",string);\r
 488                 }else{\r
 489                     // updating NalimovPath\r
 490                     my_log("POLYGLOT setting the Nalimov path to %s\n",path);\r
 491                     start_protected_command();\r
 492                     uci_send_option(Uci,"NalimovPath","%s",path);\r
 493                     end_protected_command();\r
 494                 }\r
 495         } else if (XB->has_feature_memory && match(string,"memory *")){\r
 496             int memory = atoi(Star[0]);\r
 497             int nalimov_cache;\r
 498             int real_memory;\r
 499             if(memory>=1){\r
 500                 // updating the available memory\r
 501                 my_log("POLYGLOT setting the amount of memory to %dMb\n",memory);\r
 502                 if(uci_get_option(Uci,"NalimovCache")>=0){\r
 503                     nalimov_cache=atoi(Uci->option[uci_get_option(Uci,"NalimovCache")].value);\r
 504                 }else{\r
 505                     nalimov_cache=0;\r
 506                 }\r
 507                 my_log("POLYGLOT Nalimov Cache is %dMb\n",nalimov_cache);\r
 508                 real_memory=memory-nalimov_cache;\r
 509                 if(real_memory>0){\r
 510                     start_protected_command();\r
 511                     uci_send_option(Uci,"Hash", "%d", real_memory);\r
 512                     end_protected_command();\r
 513                 }\r
 514             }else{\r
 515                 // refuse\r
 516                 gui_send(GUI,"Error (unknown command): %s",string);\r
 517             }\r
 518 \r
 519                 } else if (match(string,"sd *")) {\r
 520 \r
 521                         XB->depth_limit = true;\r
 522                         XB->depth_max = atoi(Star[0]);\r
 523 \r
 524                 } else if (match(string,"setboard *")) {\r
 525 \r
 526                         my_log("POLYGLOT FEN %s\n",Star[0]);\r
 527 \r
 528                         if (!game_init(Game,Star[0])) my_fatal("xboard_step(): bad FEN \"%s\"\n",Star[0]);\r
 529 \r
 530                         State->computer[White] = false;\r
 531                         State->computer[Black] = false;\r
 532 \r
 533                         XB->new_hack = true; // HACK?\r
 534                         XB->result = false;\r
 535 \r
 536                         board_update();\r
 537                         mess();\r
 538 \r
 539                 } else if (match(string,"st *")) {\r
 540 \r
 541                         XB->time_limit = true;\r
 542                         XB->time_max = double(atoi(Star[0]));\r
 543 \r
 544                 } else if (match(string,"time *")) {\r
 545 \r
 546                         XB->my_time = double(atoi(Star[0])) / 100.0;\r
 547                         if (XB->my_time < 0.0) XB->my_time = 0.0;\r
 548 \r
 549                 } else if (match(string,"undo")) {\r
 550 \r
 551                         if (game_pos(Game) >= 1) {\r
 552 \r
 553                                 game_goto(Game,game_pos(Game)-1);\r
 554 \r
 555                                 ASSERT(!XB->new_hack);\r
 556                                 XB->new_hack = false; // HACK?\r
 557                                 XB->result = false;\r
 558 \r
 559                                 board_update();\r
 560                                 mess();\r
 561                         }\r
 562 \r
 563                 } else if (match(string,"usermove *")) {\r
 564 \r
 565                         game_get_board(Game,board);\r
 566                         move = move_from_san(Star[0],board);\r
 567 \r
 568                         if (move != MoveNone && move_is_legal(move,board)) {\r
 569 \r
 570                                 XB->new_hack = false;\r
 571                                 ASSERT(!XB->result);\r
 572                                 XB->result = false;\r
 573 \r
 574                                 move_step(move);\r
 575                                 no_mess(move);\r
 576 \r
 577                         } else {\r
 578 \r
 579                                 gui_send(GUI,"Illegal move: %s",Star[0]);\r
 580                         }\r
 581 \r
 582                 } else if (match(string,"variant *")) {\r
 583 \r
 584                         if (my_string_equal(Star[0],"fischerandom")) {\r
 585                                 option_set("Chess960","true");\r
 586                         } else {\r
 587                                 option_set("Chess960","false");\r
 588                         }\r
 589 \r
 590                 } else if (match(string,"white")) {\r
 591 \r
 592                         if (colour_is_white(game_turn(Game))) {\r
 593 \r
 594                                 State->computer[White] = false;\r
 595                                 State->computer[Black] = true;\r
 596 \r
 597                                 XB->new_hack = true;\r
 598                                 XB->result = false;\r
 599 \r
 600                                 mess();\r
 601                         }\r
 602 \r
 603                 } else if (match(string,"xboard")) {\r
 604 \r
 605                         // ignore\r
 606 \r
 607                 } else if (match(string,".")) { // analyse info\r
 608 \r
 609                         if (State->state == ANALYSE) {\r
 610                                 int depth=Uci->best_depth;//HACK: don't clear engine-output window...\r
 611 \r
 612                                 ASSERT(Uci->searching);\r
 613                                 ASSERT(Uci->pending_nb>=1);\r
 614 \r
 615                                 if (Uci->root_move != MoveNone && move_is_legal(Uci->root_move,Uci->board)) {\r
 616                                         move_to_san(Uci->root_move,Uci->board,move_string,256);\r
 617                                         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
 618                                 } else {\r
 619                                         gui_send(GUI,"stat01: %.0f "S64_FORMAT" %d %d %d",Uci->time*100.0,Uci->node_nb,/*Uci->*/depth,0,0); // HACK\r
 620                                 }\r
 621                         }\r
 622 \r
 623                 } else if (match(string,"?")) { // move now\r
 624 \r
 625                         if (State->state == THINK) {\r
 626 \r
 627                                 ASSERT(Uci->searching);\r
 628                                 ASSERT(Uci->pending_nb>=1);\r
 629 \r
 630                                 // HACK: just send "stop" to the engine\r
 631 \r
 632                                 if (Uci->searching) {\r
 633                                         my_log("POLYGLOT STOP SEARCH\n");\r
 634                                         engine_send(Engine,"stop");\r
 635                                 }\r
 636                         }\r
 637 \r
 638                 } else { // unknown command, maybe a move?\r
 639 \r
 640                         game_get_board(Game,board);\r
 641                         move = move_from_san(string,board);\r
 642 \r
 643                         if (move != MoveNone && move_is_legal(move,board)) {\r
 644 \r
 645                                 XB->new_hack = false;\r
 646                                 ASSERT(!XB->result);\r
 647                                 XB->result = false;\r
 648 \r
 649                                 move_step(move);\r
 650                                 no_mess(move);\r
 651 \r
 652                         } else if (move != MoveNone) {\r
 653 \r
 654                                 gui_send(GUI,"Illegal move: %s",string);\r
 655 \r
 656                         } else {\r
 657 \r
 658                                 gui_send(GUI,"Error (unknown command): %s",string);\r
 659                         }\r
 660                 }\r
 661         return;\r
 662 }\r
 663 \r
 664 // engine_step()\r
 665 \r
 666 void engine_step(char string[]) {\r
 667 \r
 668         int event;\r
 669                 event = uci_parse(Uci,string);\r
 670 \r
 671                 // react to events\r
 672 \r
 673                 if ((event & EVENT_READY) != 0) {\r
 674 \r
 675                         // the engine is now ready\r
 676 \r
 677                         if (!Uci->ready) {\r
 678                                 Uci->ready = true;\r
 679                     //  if (XB->proto_ver >= 2) xboard_send(XBoard,"feature done=1");\r
 680                         }\r
 681 \r
 682                         if (!DelayPong && XB->ping >= 0) {\r
 683                                 gui_send(GUI,"pong %d",XB->ping);\r
 684                                 XB->ping = -1;\r
 685                         }\r
 686                 }\r
 687 \r
 688                 if ((event & EVENT_MOVE) != 0 && State->state == THINK) {\r
 689 \r
 690                         // the engine is playing a move\r
 691 \r
 692                         // MEGA HACK: estimate remaining time because XBoard won't send it!\r
 693 \r
 694                         my_timer_stop(State->timer);\r
 695 \r
 696                         XB->my_time -= my_timer_elapsed_real(State->timer);\r
 697                         XB->my_time += XB->inc;\r
 698                         if (XB->mps != 0 && (game_move_nb(Game) + 1) % XB->mps == 0) XB->my_time += XB->base;\r
 699 \r
 700                         if (XB->my_time < 0.0) XB->my_time = 0.0;\r
 701 \r
 702                         // play the engine move\r
 703 \r
 704                         comp_move(Uci->best_move);\r
 705                 }\r
 706 \r
 707                 if ((event & EVENT_PV) != 0) {\r
 708 \r
 709                         // the engine has sent a new PV\r
 710 \r
 711                         send_pv();\r
 712                 }\r
 713                 if((event & (EVENT_DRAW|EVENT_RESIGN))!=0){\r
 714                         my_log("POYGLOT draw offer/resign from engine\n");\r
 715                         if(uci_option_exist(Uci,"UCI_DrawOffers")){\r
 716                                 if(event & EVENT_DRAW)\r
 717                                         gui_send(GUI,"offer draw");\r
 718                                 else\r
 719                                         gui_send(GUI,"resign");\r
 720                         }\r
 721                 }\r
 722 }\r
 723 \r
 724 // format_xboard_option_line\r
 725 \r
 726 void format_xboard_option_line(char * option_line, option_t *opt){\r
 727     int j;\r
 728     char option_string[StringSize];\r
 729     strcpy(option_line,"");\r
 730     strcat(option_line,"feature option=\"");\r
 731     if(opt->mode&PG){\r
 732         strcat(option_line,"Polyglot ");\r
 733     }\r
 734     sprintf(option_string,"%s",opt->name);\r
 735     strcat(option_line,option_string);\r
 736     sprintf(option_string," -%s",opt->type);\r
 737     strcat(option_line,option_string);\r
 738     if(strcmp(opt->type,"button") && strcmp(opt->type,"combo")){\r
 739         if(strcmp(opt->type,"check")){\r
 740             sprintf(option_string," %s",opt->default_);\r
 741         }else{\r
 742             sprintf(option_string," %d",\r
 743                     strcmp(opt->default_,"true")?0:1);\r
 744         }\r
 745         strcat(option_line,option_string);\r
 746     }\r
 747     if(!strcmp(opt->type,"spin")){\r
 748         sprintf(option_string," %s",opt->min);\r
 749             strcat(option_line,option_string);\r
 750     }\r
 751     if(!strcmp(opt->type,"spin")){\r
 752         sprintf(option_string," %s",opt->max);\r
 753         strcat(option_line,option_string);\r
 754     }\r
 755     for(j=0;j<opt->var_nb;j++){\r
 756         if(!strcmp(opt->var[j],opt->default_)){\r
 757             sprintf(option_string," *%s",opt->var[j]);\r
 758         }else{\r
 759             sprintf(option_string," %s",opt->var[j]);\r
 760         }\r
 761         strcat(option_line,option_string);\r
 762         if(j!=opt->var_nb-1){\r
 763             strcat(option_line," ///");\r
 764         }\r
 765     }\r
 766     strcat(option_line,"\"");\r
 767 }\r
 768 \r
 769 // send_xboard_options\r
 770 \r
 771 static void send_xboard_options(){\r
 772     int i;\r
 773     char option_line[StringSize]="";\r
 774     option_t *p=Option;\r
 775     const char * name;\r
 776     XB->proto_ver = atoi(Star[0]);\r
 777     ASSERT(XB->proto_ver>=2);\r
 778     \r
 779     gui_send(GUI,"feature done=0");\r
 780     \r
 781     gui_send(GUI,"feature analyze=1");\r
 782     gui_send(GUI,"feature colors=0");\r
 783     gui_send(GUI,"feature draw=1");\r
 784     gui_send(GUI,"feature ics=1");\r
 785     gui_send(GUI,"feature myname=\"%s\"",option_get_string("EngineName"));\r
 786     gui_send(GUI,"feature name=1");\r
 787     gui_send(GUI,"feature pause=0");\r
 788     gui_send(GUI,"feature ping=1");\r
 789     gui_send(GUI,"feature playother=1");\r
 790     gui_send(GUI,"feature reuse=1");\r
 791     gui_send(GUI,"feature san=0");\r
 792     gui_send(GUI,"feature setboard=1");\r
 793     gui_send(GUI,"feature sigint=0");\r
 794     gui_send(GUI,"feature sigterm=0");\r
 795     gui_send(GUI,"feature time=1");\r
 796     gui_send(GUI,"feature usermove=1");\r
 797     if (XB->has_feature_memory){\r
 798         gui_send(GUI,"feature memory=1");\r
 799     }else{\r
 800         gui_send(GUI,"feature memory=0");\r
 801     }\r
 802     if (XB->has_feature_smp){\r
 803         gui_send(GUI,"feature smp=1");\r
 804     }else{\r
 805         gui_send(GUI,"feature smp=0");\r
 806     }\r
 807     if (XB->has_feature_egt){\r
 808             // TODO: support for other types of table bases\r
 809         gui_send(GUI,"feature egt=\"nalimov\"");\r
 810     }else{\r
 811         gui_send(GUI,"feature egt=\"\"");\r
 812     }\r
 813     \r
 814     if (uci_option_exist(Uci,"UCI_Chess960")) {\r
 815         gui_send(GUI,"feature variants=\"normal,fischerandom\"");\r
 816     } else {\r
 817         gui_send(GUI,"feature variants=\"normal\"");\r
 818     }\r
 819     \r
 820     for(i=0;i<Uci->option_nb;i++){\r
 821         if(my_string_case_equal(Uci->option[i].name,"UCI_AnalyseMode")) continue;\r
 822         if(my_string_case_equal(Uci->option[i].name,"Ponder")) continue;\r
 823         if(my_string_case_equal(Uci->option[i].name,"Hash")) continue;\r
 824         if(my_string_case_equal(Uci->option[i].name,"NalimovPath")) continue;\r
 825         if((name=uci_thread_option(Uci))!=NULL && my_string_case_equal(Uci->option[i].name,name)) continue;\r
 826         format_xboard_option_line(option_line,Uci->option+i);\r
 827 \r
 828         gui_send(GUI,"%s",option_line);\r
 829 \r
 830     }\r
 831     while(p->name){\r
 832         if(p->mode &XBOARD){\r
 833             format_xboard_option_line(option_line,p);\r
 834             gui_send(GUI,"%s",option_line);\r
 835         }\r
 836         p++;\r
 837     }       \r
 838     gui_send(GUI,"feature done=1"); \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")==true)\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    int nalimov_cache;\r
1136    int real_memory;\r
1137 \r
1138    ASSERT(!Uci->searching);\r
1139 \r
1140 \r
1141 \r
1142    \r
1143    // launch a new search if needed\r
1144 \r
1145    \r
1146 \r
1147    if (State->state == THINK || State->state == PONDER || State->state == ANALYSE) {\r
1148 \r
1149       // opening book\r
1150 \r
1151       if (State->state == THINK && option_get_bool("Book")) {\r
1152 \r
1153          game_get_board(Game,Uci->board);\r
1154 \r
1155          move = book_move(Uci->board,option_get_bool("BookRandom"));\r
1156 \r
1157          if (move != MoveNone && move_is_legal(move,Uci->board)) {\r
1158 \r
1159             my_log("POLYGLOT *BOOK MOVE*\n");\r
1160 \r
1161             search_clear(); // clears Uci->ponder_move\r
1162             Uci->best_move = move;\r
1163 \r
1164             board_copy(board,Uci->board);\r
1165             move_do(board,move);\r
1166             Uci->ponder_move = book_move(board,false); // expected move = best book move\r
1167 \r
1168             Uci->best_pv[0] = Uci->best_move;\r
1169             Uci->best_pv[1] = Uci->ponder_move; // can be MoveNone\r
1170             Uci->best_pv[2] = MoveNone;\r
1171 \r
1172             comp_move(Uci->best_move);\r
1173 \r
1174             return;\r
1175          }\r
1176       }\r
1177 \r
1178       // engine search\r
1179 \r
1180       my_log("POLYGLOT START SEARCH\n");\r
1181 \r
1182       // options\r
1183 \r
1184       uci_send_option(Uci,"UCI_Chess960","%s",option_get_bool("Chess960")?"true":"false");\r
1185 \r
1186       if (option_get_int("UCIVersion") >= 2) {\r
1187          uci_send_option(Uci,"UCI_Opponent","none none %s %s",(XB->computer)?"computer":"human",XB->name);\r
1188          uci_send_option(Uci,"UCI_AnalyseMode","%s",(XB->analyse)?"true":"false");\r
1189       }\r
1190 \r
1191       uci_send_option(Uci,"Ponder","%s",ponder()?"true":"false");\r
1192 \r
1193       // position\r
1194 \r
1195       move = (State->state == PONDER) ? State->exp_move : MoveNone;\r
1196       send_board(move); // updates Uci->board global variable\r
1197 \r
1198       // search\r
1199 \r
1200       if (State->state == THINK || State->state == PONDER) {\r
1201 \r
1202          engine_send_queue(Engine,"go");\r
1203 \r
1204          if (XB->time_limit) {\r
1205 \r
1206             // fixed time per move\r
1207 \r
1208             engine_send_queue(Engine," movetime %.0f",XB->time_max*1000.0);\r
1209 \r
1210          } else {\r
1211 \r
1212             // time controls\r
1213 \r
1214             if (colour_is_white(Uci->board->turn)) {\r
1215                engine_send_queue(Engine," wtime %.0f btime %.0f",XB->my_time*1000.0,XB->opp_time*1000.0);\r
1216             } else {\r
1217                engine_send_queue(Engine," wtime %.0f btime %.0f",XB->opp_time*1000.0,XB->my_time*1000.0);\r
1218             }\r
1219 \r
1220             if (XB->inc != 0.0) engine_send_queue(Engine," winc %.0f binc %.0f",XB->inc*1000.0,XB->inc*1000.0);\r
1221 \r
1222             if (XB->mps != 0) {\r
1223 \r
1224                move_nb = XB->mps - (Uci->board->move_nb % XB->mps);\r
1225                ASSERT(move_nb>=1&&move_nb<=XB->mps);\r
1226 \r
1227                engine_send_queue(Engine," movestogo %d",move_nb);\r
1228             }\r
1229          }\r
1230 \r
1231          if (XB->depth_limit) engine_send_queue(Engine," depth %d",XB->depth_max);\r
1232 \r
1233          if (State->state == PONDER) engine_send_queue(Engine," ponder");\r
1234 \r
1235          engine_send(Engine,""); // newline\r
1236 \r
1237       } else if (State->state == ANALYSE) {\r
1238 \r
1239          engine_send(Engine,"go infinite");\r
1240 \r
1241       } else {\r
1242 \r
1243          ASSERT(false);\r
1244       }\r
1245 \r
1246       // init search info\r
1247 \r
1248       ASSERT(!Uci->searching);\r
1249 \r
1250       search_clear();\r
1251 \r
1252       Uci->searching = true;\r
1253       Uci->pending_nb++;\r
1254    }\r
1255 }\r
1256 \r
1257 // search_clear()\r
1258 \r
1259 static void search_clear() {\r
1260 \r
1261    uci_clear(Uci);\r
1262 \r
1263    // TODO: MOVE ME\r
1264 \r
1265    my_timer_start(State->timer);//also resets\r
1266 }\r
1267 \r
1268 // active()\r
1269 \r
1270 static bool active() {\r
1271 \r
1272    // position state\r
1273 \r
1274    if (game_status(Game) != PLAYING) return false; // game ended\r
1275 \r
1276    // xboard state\r
1277 \r
1278    if (XB->analyse) return true; // analysing\r
1279    if (!State->computer[White] && !State->computer[Black]) return false; // force mode\r
1280    if (XB->new_hack || XB->result) return false; // unstarted or ended game\r
1281 \r
1282    return true; // playing\r
1283 }\r
1284 \r
1285 // ponder()\r
1286 \r
1287 static bool ponder() {\r
1288 \r
1289    return XB->ponder && (option_get_bool("CanPonder") || uci_option_exist(Uci,"Ponder"));\r
1290 }\r
1291 // ponder_ok()\r
1292 \r
1293 static bool ponder_ok(int move) {\r
1294    int status;\r
1295    board_t board[1];\r
1296 \r
1297    ASSERT(move==MoveNone||move_is_ok(move));\r
1298 \r
1299    // legal ponder move?\r
1300 \r
1301    if (move == MoveNone) return false;\r
1302 \r
1303    game_get_board(Game,board);\r
1304    if (!move_is_legal(move,board)) return false;\r
1305 \r
1306    // UCI-legal resulting position?\r
1307 \r
1308    game_add_move(Game,move);\r
1309 \r
1310    game_get_board(Game,board);\r
1311    status = game_status(Game);\r
1312 \r
1313    game_rem_move(Game);\r
1314 \r
1315    if (status != PLAYING) return false; // game ended\r
1316 \r
1317    if (option_get_bool("Book") && is_in_book(board)) {\r
1318       return false;\r
1319    }\r
1320 \r
1321    return true;\r
1322 }\r
1323 \r
1324 // stop_search()\r
1325 \r
1326 static void stop_search() {\r
1327 \r
1328    if (Uci->searching) {\r
1329 \r
1330       ASSERT(Uci->searching);\r
1331       ASSERT(Uci->pending_nb>=1);\r
1332 \r
1333       my_log("POLYGLOT STOP SEARCH\n");\r
1334 \r
1335 /*\r
1336       engine_send(Engine,"stop");\r
1337       Uci->searching = false;\r
1338 */\r
1339 \r
1340       if (option_get_bool("SyncStop")) {\r
1341          uci_send_stop_sync(Uci);\r
1342       } else {\r
1343          uci_send_stop(Uci);\r
1344       }\r
1345         }\r
1346 }\r
1347 \r
1348 // send_board()\r
1349 \r
1350 static void send_board(int extra_move) {\r
1351 \r
1352    char fen[256];\r
1353    int start, end;\r
1354    board_t board[1];\r
1355    int pos;\r
1356    int move;\r
1357    char string[256];\r
1358 \r
1359    ASSERT(extra_move==MoveNone||move_is_ok(extra_move));\r
1360 \r
1361    ASSERT(!Uci->searching);\r
1362 \r
1363    // init\r
1364 \r
1365    game_get_board(Game,Uci->board);\r
1366    if (extra_move != MoveNone) move_do(Uci->board,extra_move);\r
1367 \r
1368    board_to_fen(Uci->board,fen,256);\r
1369    my_log("POLYGLOT FEN %s\n",fen);\r
1370 \r
1371    ASSERT(board_can_play(Uci->board));\r
1372 \r
1373    // more init\r
1374 \r
1375    start = 0;\r
1376    end = game_pos(Game);\r
1377    ASSERT(end>=start);\r
1378 \r
1379    // position\r
1380 \r
1381    game_get_board(Game,board,start);\r
1382    board_to_fen(board,string,256);\r
1383 \r
1384    engine_send_queue(Engine,"position");\r
1385 \r
1386    if (my_string_equal(string,StartFen)) {\r
1387       engine_send_queue(Engine," startpos");\r
1388    } else {\r
1389       engine_send_queue(Engine," fen %s",string);\r
1390    }\r
1391 \r
1392    // move list\r
1393 \r
1394    if (end > start || extra_move != MoveNone) engine_send_queue(Engine," moves");\r
1395 \r
1396    for (pos = start; pos < end; pos++) { // game moves\r
1397 \r
1398       move = game_move(Game,pos);\r
1399 \r
1400       move_to_can(move,board,string,256);\r
1401       engine_send_queue(Engine," %s",string);\r
1402 \r
1403       move_do(board,move);\r
1404    }\r
1405 \r
1406    if (extra_move != MoveNone) { // move to ponder on\r
1407       move_to_can(extra_move,board,string,256);\r
1408       engine_send_queue(Engine," %s",string);\r
1409    }\r
1410 \r
1411    // end\r
1412 \r
1413    engine_send(Engine,""); // newline\r
1414 }\r
1415 \r
1416 // send_pv()\r
1417 \r
1418 static void send_pv() {\r
1419 \r
1420    char pv_string[StringSize];\r
1421    board_t board[1];\r
1422    int move;\r
1423    char move_string[StringSize];\r
1424 \r
1425    ASSERT(State->state!=WAIT);\r
1426 \r
1427    if (Uci->best_depth == 0) return;\r
1428 \r
1429    // xboard search information\r
1430 \r
1431    if (XB->post) {\r
1432 \r
1433       if (State->state == THINK || State->state == ANALYSE) {\r
1434 \r
1435          line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
1436 \r
1437                  if(Uci->depth==-1) //hack to clear the engine output window\r
1438          gui_send(GUI,"%d %+d %.0f "S64_FORMAT" ",0,Uci->best_score,Uci->time*100.0,Uci->node_nb);\r
1439 \r
1440                  gui_send(GUI,"%d %+d %.0f "S64_FORMAT" %s",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,pv_string);\r
1441 \r
1442       } else if (State->state == PONDER && option_get_bool("ShowPonder")) {\r
1443 \r
1444          game_get_board(Game,board);\r
1445          move = State->exp_move;\r
1446 \r
1447          if (move != MoveNone && move_is_legal(move,board)) {\r
1448             move_to_san(move,board,move_string,256);\r
1449             line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
1450             gui_send(GUI,"%d %+d %.0f "S64_FORMAT" (%s) %s",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,move_string,pv_string);\r
1451          }\r
1452       }\r
1453    }\r
1454 \r
1455    // kibitz\r
1456 \r
1457    if ((Uci->searching && option_get_bool("KibitzPV") && Uci->time >= option_get_double("KibitzDelay"))\r
1458     || (!Uci->searching && option_get_bool("KibitzMove"))) {\r
1459 \r
1460       if (State->state == THINK || State->state == ANALYSE) {\r
1461 \r
1462          line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\r
1463          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(Uci->best_score)/100.0,pv_string);\r
1464 \r
1465       } else if (State->state == PONDER) {\r
1466 \r
1467          game_get_board(Game,board);\r
1468          move = State->exp_move;\r
1469 \r
1470          if (move != MoveNone && move_is_legal(move,board)) {\r
1471             move_to_san(move,board,move_string,256);\r
1472             line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize);\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(Uci->best_score)/100.0,move_string,pv_string);\r
1474          }\r
1475       }\r
1476    }\r
1477 }\r
1478 \r
1479 // learn()\r
1480 \r
1481 static void learn(int result) {\r
1482 \r
1483    int pos;\r
1484    board_t board[1];\r
1485    int move;\r
1486 \r
1487    ASSERT(result>=-1&&result<=+1);\r
1488 \r
1489    ASSERT(XB->result);\r
1490    ASSERT(State->computer[White]||State->computer[Black]);\r
1491 \r
1492    // init\r
1493 \r
1494    pos = 0;\r
1495 \r
1496    if (false) {\r
1497    } else if (State->computer[White]) {\r
1498       pos = 0;\r
1499    } else if (State->computer[Black]) {\r
1500       pos = 1;\r
1501       result = -result;\r
1502    } else {\r
1503       my_fatal("learn(): unknown side\n");\r
1504    }\r
1505 \r
1506    if (false) {\r
1507    } else if (result > 0) {\r
1508       my_log("POLYGLOT *LEARN WIN*\n");\r
1509    } else if (result < 0) {\r
1510       my_log("POLYGLOT *LEARN LOSS*\n");\r
1511    } else {\r
1512       my_log("POLYGLOT *LEARN DRAW*\n");\r
1513    }\r
1514 \r
1515    // loop\r
1516 \r
1517    for (; pos < Game->size; pos += 2) {\r
1518 \r
1519       game_get_board(Game,board,pos);\r
1520       move = game_move(Game,pos);\r
1521 \r
1522       book_learn_move(board,move,result);\r
1523    }\r
1524 \r
1525    book_flush();\r
1526 }\r
1527 \r
1528 // end of adapter.cpp\r