static bool ponder_move_is_ok(int move) { int status; board_t board[1]; ASSERT(move==MoveNone||move_is_ok(move)); // legal ponder move? if (move == MoveNone) return false; game_get_board(Game,board); if (!move_is_legal(move,board)) return false; // UCI-legal resulting position? game_add_move(Game,move); game_get_board(Game,board); status = game_status(Game); game_rem_move(Game); if (status != PLAYING) return false; // game ended if (option_get_bool("Book") && is_in_book(board)) { return false; } return true; }
static void send_pv() { char pv_string[StringSize]; board_t board[1]; int move; char move_string[StringSize]; ASSERT(State->state!=WAIT); if (Uci->best_depth == 0) return; // xboard search information if (XB->post) { if (State->state == THINK || State->state == ANALYSE) { line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize); xboard_send(XBoard,"%d %+d %.0f %lld %s",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,pv_string); } else if (State->state == PONDER && option_get_bool("ShowPonder")) { game_get_board(Game,board); move = State->exp_move; if (move != MoveNone && move_is_legal(move,board)) { move_to_san(move,board,move_string,256); line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize); xboard_send(XBoard,"%d %+d %.0f %lld (%s) %s",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,move_string,pv_string); } } } // kibitz if ((Uci->searching && option_get_bool("KibitzPV") && Uci->time >= option_get_double("KibitzDelay")) || (!Uci->searching && option_get_bool("KibitzMove"))) { if (State->state == THINK || State->state == ANALYSE) { line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize); xboard_send(XBoard,"%s depth=%d time=%.2f node=%lld 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); } else if (State->state == PONDER) { game_get_board(Game,board); move = State->exp_move; if (move != MoveNone && move_is_legal(move,board)) { move_to_san(move,board,move_string,256); line_to_san(Uci->best_pv,Uci->board,pv_string,StringSize); xboard_send(XBoard,"%s depth=%d time=%.2f node=%lld 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); } } } }
static void send_pv() { char pv_string[StringSize]; board_t board[1]; int move; char move_string[256]; char tb_string[256]; ASSERT(State->state!=WAIT); if (Uci->best_depth == 0) return; // move_string[0]='\0'; // xboard search information if (XB->post && Uci->time >= option_get_double("PostDelay")) { if (State->state == THINK || State->state == ANALYSE) { line_to_san(Uci->best_pv,Uci->board,pv_string,sizeof(pv_string)); tb_to_string(tb_string,sizeof(tb_string)); if(Uci->depth==-1) //hack to clear the engine output window xboard_send(XBoard,"%d %+d %.0f " S64_FORMAT " ",0,Uci->best_score,Uci->time*100.0,Uci->node_nb); xboard_send(XBoard,"%d %+d %.0f " S64_FORMAT " %s %s",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,pv_string,tb_string); } else if (State->state == PONDER && option_get_bool("ShowPonder")) { game_get_board(Game,board); move = State->exp_move; if (move != MoveNone && move_is_legal(move,board)) { move_to_san(move,board,move_string,sizeof(move_string)); line_to_san(Uci->best_pv,Uci->board,pv_string,sizeof(pv_string)); tb_to_string(tb_string,sizeof(tb_string)); xboard_send(XBoard,"%d %+d %.0f " S64_FORMAT " (%s) %s %s",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,move_string,pv_string,tb_string); } } } // kibitz if ((Uci->searching && option_get_bool("KibitzPV") && Uci->time >= option_get_double("KibitzDelay")) || (!Uci->searching && option_get_bool("KibitzMove"))) { if (State->state == THINK || State->state == ANALYSE) { line_to_san(Uci->best_pv,Uci->board,pv_string,sizeof(pv_string)); xboard_send(XBoard,"%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); } else if (State->state == PONDER) { game_get_board(Game,board); move = State->exp_move; if (move != MoveNone && move_is_legal(move,board)) { move_to_san(move,board,move_string,sizeof(move_string)); line_to_san(Uci->best_pv,Uci->board,pv_string,sizeof(pv_string)); xboard_send(XBoard,"%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); } } } }
static void move_step(int move) { board_t board[1]; char move_string[256]; ASSERT(move_is_ok(move)); // log game_get_board(Game,board); if (move != MoveNone && move_is_legal(move,board)) { move_to_san(move,board,move_string,256); my_log("POLYGLOT MOVE %s\n",move_string); } else { move_to_can(move,board,move_string,256); my_log("POLYGLOT ILLEGAL MOVE \"%s\"\n",move_string); board_disp(board); my_fatal("move_step(): illegal move \"%s\"\n",move_string); } // play the move game_add_move(Game,move); board_update(); }
static void move_step(int move) { board_t board[1]; char move_string[256]; ASSERT(move_is_ok(move)); // log game_get_board(Game,board); if (XB->ics || (move != MoveNone && move_is_legal(move,board))) { move_to_san(move,board,move_string,sizeof(move_string)); my_log("POLYGLOT MOVE %s\n",move_string); } else { move_to_can(move,board,move_string,sizeof(move_string)); my_log("POLYGLOT ILLEGAL MOVE \"%s\"\n",move_string); board_disp(board); //since we have threads my_fatal is not enough,1 thread will wait for xboard to end the game //stuff illegal move in the comment as well,not everybody logs all the time. if(board->turn==White) xboard_send(XBoard,"0-1 {polyglot: %s illegal engine move white}\n",move_string); else xboard_send(XBoard,"1-0 {polyglot: %s illegal engine move black}\n",move_string); my_fatal("move_step(): illegal move \"%s\"\n",move_string); } // play the move game_add_move(Game,move); //board_update(); }
// move_step() void engine_move_fail(char *move_string){ board_t board[1]; game_get_board(Game,board); if(XB->ics) return; // if(board->turn==White) xboard_send(XBoard,"0-1 {polyglot: %s engine move format-error white}\n",move_string); else xboard_send(XBoard,"1-0 {polyglot: %s engine move format-error black}\n",move_string); my_fatal("parse_bestmove(): not a move \"%s\"\n",move_string); }
static void comp_move(int move) { board_t board[1]; char string[256]; ASSERT(move_is_ok(move)); ASSERT(State->state==THINK); ASSERT(!XB->analyse); if(option_get_bool(Option,"RepeatPV")) send_pv(); // to update time and nodes // send the move game_get_board(Game,board); if (move_is_castle(move,board) && option_get_bool(Option,"Chess960")) { if (!move_to_san(move,board,string,256)) my_fatal("comp_move(): move_to_san() failed\n"); // O-O/O-O-O } else { if (!move_to_can(move,board,string,256)) my_fatal("comp_move(): move_to_can() failed\n"); } gui_send(GUI,"move %s",string); // resign? if (option_get_bool(Option,"Resign") && Uci->root_move_nb > 1) { if (Uci->best_score <= -abs(option_get_int(Option,"ResignScore"))) { State->resign_nb++; my_log("POLYGLOT %d move%s with resign score\n",State->resign_nb,(State->resign_nb>1)?"s":""); if (State->resign_nb >= option_get_int(Option,"ResignMoves")) { my_log("POLYGLOT *** RESIGN ***\n"); gui_send(GUI,"resign"); } } else { if (State->resign_nb > 0) my_log("POLYGLOT resign reset (State->resign_nb=%d)\n",State->resign_nb); State->resign_nb = 0; } } // play the move move_step(move); no_mess(move); }
static void learn(int result) { int pos; board_t board[1]; int move; ASSERT(result>=-1&&result<=+1); ASSERT(XB->result); ASSERT(State->computer[White]||State->computer[Black]); // init pos = 0; if (false) { } else if (State->computer[White]) { pos = 0; } else if (State->computer[Black]) { pos = 1; result = -result; } else { my_fatal("learn(): unknown side\n"); } if (false) { } else if (result > 0) { my_log("POLYGLOT *LEARN WIN*\n"); } else if (result < 0) { my_log("POLYGLOT *LEARN LOSS*\n"); } else { my_log("POLYGLOT *LEARN DRAW*\n"); } // loop for (; pos < Game->size; pos += 2) { game_get_board(Game,board,pos); move = game_move(Game,pos); book_learn_move(board,move,result); } book_flush(); }
static void search_update() { int move; int move_nb; board_t board[1]; ASSERT(!Uci->searching); // launch a new search if needed if (State->state == THINK || State->state == PONDER || State->state == ANALYSE) { // opening book if (State->state == THINK && option_get_bool("Book")) { game_get_board(Game,Uci->board); move = book_move(Uci->board,option_get_bool("BookRandom")); if (move != MoveNone && move_is_legal(move,Uci->board)) { my_log("POLYGLOT *BOOK MOVE*\n"); search_clear(); // clears Uci->ponder_move Uci->best_move = move; board_copy(board,Uci->board); move_do(board,move); Uci->ponder_move = book_move(board,false); // expected move = best book move Uci->best_pv[0] = Uci->best_move; Uci->best_pv[1] = Uci->ponder_move; // can be MoveNone Uci->best_pv[2] = MoveNone; comp_move(Uci->best_move); return; } } // engine search my_log("POLYGLOT START SEARCH\n"); // options uci_send_option(Uci,"UCI_Chess960","%s",option_get_bool("Chess960")?"true":"false"); if (option_get_int("UCIVersion") >= 2) { uci_send_option(Uci,"UCI_Opponent","none none %s %s",(XB->computer)?"computer":"human",XB->name); uci_send_option(Uci,"UCI_AnalyseMode","%s",(XB->analyse)?"true":"false"); } uci_send_option(Uci,"Ponder","%s",ponder()?"true":"false"); // position move = (State->state == PONDER) ? State->exp_move : MoveNone; send_board(move); // updates Uci->board global variable // search if (State->state == THINK || State->state == PONDER) { engine_send_queue(Engine,"go"); if (XB->time_limit) { // fixed time per move engine_send_queue(Engine," movetime %.0f",XB->time_max*1000.0); } else { // time controls if (colour_is_white(Uci->board->turn)) { engine_send_queue(Engine," wtime %.0f btime %.0f",XB->my_time*1000.0,XB->opp_time*1000.0); } else { engine_send_queue(Engine," wtime %.0f btime %.0f",XB->opp_time*1000.0,XB->my_time*1000.0); } if (XB->inc != 0.0) engine_send_queue(Engine," winc %.0f binc %.0f",XB->inc*1000.0,XB->inc*1000.0); if (XB->mps != 0) { move_nb = XB->mps - (Uci->board->move_nb % XB->mps); ASSERT(move_nb>=1&&move_nb<=XB->mps); engine_send_queue(Engine," movestogo %d",move_nb); } } if (XB->depth_limit) engine_send_queue(Engine," depth %d",XB->depth_max); if (State->state == PONDER) engine_send_queue(Engine," ponder"); engine_send(Engine,""); // newline } else if (State->state == ANALYSE) { engine_send(Engine,"go infinite"); } else { ASSERT(false); } // init search info ASSERT(!Uci->searching); search_clear(); Uci->searching = true; Uci->pending_nb++; } }
static void xboard_step() { char string[StringSize]; int move; char move_string[256]; board_t board[1]; xboard_get(XBoard,string,StringSize); if (false) { } else if (match(string,"accepted *")) { // ignore } else if (match(string,"analyze")) { State->computer[White] = false; State->computer[Black] = false; XB->analyse = true; XB->new_hack = false; ASSERT(!XB->result); XB->result = false; mess(); } else if (match(string,"bk")) { if (option_get_bool("Book")) { game_get_board(Game,board); book_disp(board); } } else if (match(string,"black")) { if (colour_is_black(game_turn(Game))) { State->computer[White] = true; State->computer[Black] = false; XB->new_hack = true; XB->result = false; mess(); } } else if (match(string,"computer")) { XB->computer = true; } else if (match(string,"draw")) { // ignore } else if (match(string,"easy")) { XB->ponder = false; mess(); } else if (match(string,"edit")) { // refuse xboard_send(XBoard,"Error (unknown command): %s",string); } else if (match(string,"exit")) { State->computer[White] = false; State->computer[Black] = false; XB->analyse = false; mess(); } else if (match(string,"force")) { State->computer[White] = false; State->computer[Black] = false; mess(); } else if (match(string,"go")) { State->computer[game_turn(Game)] = true; State->computer[colour_opp(game_turn(Game))] = false; XB->new_hack = false; ASSERT(!XB->result); XB->result = false; mess(); } else if (match(string,"hard")) { XB->ponder = true; mess(); } else if (match(string,"hint")) { if (option_get_bool("Book")) { game_get_board(Game,board); move = book_move(board,false); if (move != MoveNone && move_is_legal(move,board)) { move_to_san(move,board,move_string,256); xboard_send(XBoard,"Hint: %s",move_string); } } } else if (match(string,"ics *")) { XB->ics = true; } else if (match(string,"level * *:* *")) { XB->mps = atoi(Star[0]); XB->base = double(atoi(Star[1])) * 60.0 + double(atoi(Star[2])); XB->inc = double(atoi(Star[3])); } else if (match(string,"level * * *")) { XB->mps = atoi(Star[0]); XB->base = double(atoi(Star[1])) * 60.0; XB->inc = double(atoi(Star[2])); } else if (match(string,"name *")) { my_string_set(&XB->name,Star[0]); } else if (match(string,"new")) { my_log("POLYGLOT NEW GAME\n"); option_set("Chess960","false"); game_clear(Game); if (XB->analyse) { State->computer[White] = false; State->computer[Black] = false; } else { State->computer[White] = false; State->computer[Black] = true; } XB->new_hack = true; XB->result = false; XB->depth_limit = false; XB->computer = false; my_string_set(&XB->name,"<empty>"); board_update(); mess(); uci_send_ucinewgame(Uci); } else if (match(string,"nopost")) { XB->post = false; } else if (match(string,"otim *")) { XB->opp_time = double(atoi(Star[0])) / 100.0; if (XB->opp_time < 0.0) XB->opp_time = 0.0; } else if (match(string,"pause")) { // refuse xboard_send(XBoard,"Error (unknown command): %s",string); } else if (match(string,"ping *")) { // HACK; TODO: answer only after an engine move if (DelayPong) { if (XB->ping >= 0) xboard_send(XBoard,"pong %d",XB->ping); // HACK: get rid of old ping XB->ping = atoi(Star[0]); uci_send_isready(Uci); } else { ASSERT(XB->ping==-1); xboard_send(XBoard,"pong %s",Star[0]); } } else if (match(string,"playother")) { State->computer[game_turn(Game)] = false; State->computer[colour_opp(game_turn(Game))] = true; XB->new_hack = false; ASSERT(!XB->result); XB->result = false; mess(); } else if (match(string,"post")) { XB->post = true; } else if (match(string,"protover *")) { XB->proto_ver = atoi(Star[0]); ASSERT(XB->proto_ver>=2); xboard_send(XBoard,"feature done=0"); xboard_send(XBoard,"feature analyze=1"); xboard_send(XBoard,"feature colors=0"); xboard_send(XBoard,"feature draw=1"); xboard_send(XBoard,"feature ics=1"); xboard_send(XBoard,"feature myname=\"%s\"",option_get_string("EngineName")); xboard_send(XBoard,"feature name=1"); xboard_send(XBoard,"feature pause=0"); xboard_send(XBoard,"feature ping=1"); xboard_send(XBoard,"feature playother=1"); xboard_send(XBoard,"feature reuse=1"); xboard_send(XBoard,"feature san=0"); xboard_send(XBoard,"feature setboard=1"); xboard_send(XBoard,"feature sigint=0"); xboard_send(XBoard,"feature sigterm=0"); xboard_send(XBoard,"feature time=1"); xboard_send(XBoard,"feature usermove=1"); if (uci_option_exist(Uci,"UCI_Chess960")) { xboard_send(XBoard,"feature variants=\"normal,fischerandom\""); } else { xboard_send(XBoard,"feature variants=\"normal\""); } if (Uci->ready) xboard_send(XBoard,"feature done=1"); // otherwise "feature done=1" will be sent when the engine is ready } else if (match(string,"quit")) { my_log("POLYGLOT *** \"quit\" from XBoard ***\n"); quit(); } else if (match(string,"random")) { // ignore } else if (match(string,"rating * *")) { // ignore } else if (match(string,"remove")) { if (game_pos(Game) >= 2) { game_goto(Game,game_pos(Game)-2); ASSERT(!XB->new_hack); XB->new_hack = false; // HACK? XB->result = false; board_update(); mess(); } } else if (match(string,"rejected *")) { // ignore } else if (match(string,"reset")) { // protover 3? // refuse xboard_send(XBoard,"Error (unknown command): %s",string); } else if (false || match(string,"result * {*}") || match(string,"result * {* }") || match(string,"result * { *}") || match(string,"result * { * }")) { my_log("POLYGLOT GAME END\n"); XB->result = true; mess(); // book learning if (option_get_bool("Book") && option_get_bool("BookLearn")) { if (false) { } else if (my_string_equal(Star[0],"1-0")) { learn(+1); } else if (my_string_equal(Star[0],"0-1")) { learn(-1); } else if (my_string_equal(Star[0],"1/2-1/2")) { learn(0); } } } else if (match(string,"resume")) { // refuse xboard_send(XBoard,"Error (unknown command): %s",string); } else if (match(string,"sd *")) { XB->depth_limit = true; XB->depth_max = atoi(Star[0]); } else if (match(string,"setboard *")) { my_log("POLYGLOT FEN %s\n",Star[0]); if (!game_init(Game,Star[0])) my_fatal("xboard_step(): bad FEN \"%s\"\n",Star[0]); State->computer[White] = false; State->computer[Black] = false; XB->new_hack = true; // HACK? XB->result = false; board_update(); mess(); } else if (match(string,"st *")) { XB->time_limit = true; XB->time_max = double(atoi(Star[0])); } else if (match(string,"time *")) { XB->my_time = double(atoi(Star[0])) / 100.0; if (XB->my_time < 0.0) XB->my_time = 0.0; } else if (match(string,"undo")) { if (game_pos(Game) >= 1) { game_goto(Game,game_pos(Game)-1); ASSERT(!XB->new_hack); XB->new_hack = false; // HACK? XB->result = false; board_update(); mess(); } } else if (match(string,"usermove *")) { game_get_board(Game,board); move = move_from_san(Star[0],board); if (move != MoveNone && move_is_legal(move,board)) { XB->new_hack = false; ASSERT(!XB->result); XB->result = false; move_step(move); no_mess(move); } else { xboard_send(XBoard,"Illegal move: %s",Star[0]); } } else if (match(string,"variant *")) { if (my_string_equal(Star[0],"fischerandom")) { option_set("Chess960","true"); } else { option_set("Chess960","false"); } } else if (match(string,"white")) { if (colour_is_white(game_turn(Game))) { State->computer[White] = false; State->computer[Black] = true; XB->new_hack = true; XB->result = false; mess(); } } else if (match(string,"xboard")) { // ignore } else if (match(string,".")) { // analyse info if (State->state == ANALYSE) { ASSERT(Uci->searching); ASSERT(Uci->pending_nb>=1); if (Uci->root_move != MoveNone && move_is_legal(Uci->root_move,Uci->board)) { move_to_san(Uci->root_move,Uci->board,move_string,256); xboard_send(XBoard,"stat01: %.0f %lld %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); } else { xboard_send(XBoard,"stat01: %.0f %lld %d %d %d",Uci->time*100.0,Uci->node_nb,Uci->depth,0,0); // HACK } } } else if (match(string,"?")) { // move now if (State->state == THINK) { ASSERT(Uci->searching); ASSERT(Uci->pending_nb>=1); // HACK: just send "stop" to the engine if (Uci->searching) { my_log("POLYGLOT STOP SEARCH\n"); engine_send(Engine,"stop"); } } } else { // unknown command, maybe a move? game_get_board(Game,board); move = move_from_san(string,board); if (move != MoveNone && move_is_legal(move,board)) { XB->new_hack = false; ASSERT(!XB->result); XB->result = false; move_step(move); no_mess(move); } else if (move != MoveNone) { xboard_send(XBoard,"Illegal move: %s",string); } else { xboard_send(XBoard,"Error (unknown command): %s",string); } } }
static void send_board(int extra_move) { char fen[256]; int start, end; board_t board[1]; int pos; int move; char string[256]; ASSERT(extra_move==MoveNone||move_is_ok(extra_move)); ASSERT(!Uci->searching); // init game_get_board(Game,Uci->board); if (extra_move != MoveNone) move_do(Uci->board,extra_move); board_to_fen(Uci->board,fen,256); my_log("POLYGLOT FEN %s\n",fen); ASSERT(board_can_play(Uci->board)); // more init start = 0; end = game_pos(Game); ASSERT(end>=start); // position game_get_board(Game,board,start); board_to_fen(board,string,256); engine_send_queue(Engine,"position"); if (my_string_equal(string,StartFen)) { engine_send_queue(Engine," startpos"); } else { engine_send_queue(Engine," fen %s",string); } // move list if (end > start || extra_move != MoveNone) engine_send_queue(Engine," moves"); for (pos = start; pos < end; pos++) { // game moves move = game_move(Game,pos); move_to_can(move,board,string,256); engine_send_queue(Engine," %s",string); move_do(board,move); } if (extra_move != MoveNone) { // move to ponder on move_to_can(extra_move,board,string,256); engine_send_queue(Engine," %s",string); } // end engine_send(Engine,""); // newline }
void xboard2uci_engine_step(char string[]) { int event; board_t board[1]; event = uci_parse(Uci,string); // react to events if ((event & EVENT_READY) != 0) { // the engine is now ready if (!Uci->ready) { Uci->ready = TRUE; // if (XB->proto_ver >= 2) xboard_send(XBoard,"feature done=1"); } if (!DelayPong && XB->ping >= 0) { gui_send(GUI,"pong %d",XB->ping); XB->ping = -1; } } if ((event & EVENT_MOVE) != 0 && State->state == THINK) { // the engine is playing a move // MEGA HACK: estimate remaining time because XBoard won't send it! my_timer_stop(State->timer); XB->my_time -= my_timer_elapsed_real(State->timer); XB->my_time += XB->inc; if (XB->mps != 0 && (game_move_nb(Game) + 1) % XB->mps == 0) XB->my_time += XB->base; if (XB->my_time < 0.0) XB->my_time = 0.0; // make sure to remember the ponder move State->hint_move=Uci->ponder_move; // play the engine move comp_move(Uci->best_move); } if ((event & EVENT_PV) != 0) { // the engine has sent a new PV send_pv(); } if ((event & EVENT_INFO) != 0) { // the engine has sent info send_info(); } if((event & (EVENT_DRAW|EVENT_RESIGN))!=0){ my_log("POYGLOT draw offer/resign from engine\n"); if(option_find(Uci->option,"UCI_DrawOffers")){ if(event & EVENT_DRAW) gui_send(GUI,"offer draw"); else gui_send(GUI,"resign"); } } if(((event & EVENT_ILLEGAL_MOVE)!=0) && (State->state == THINK)){ game_get_board(Game,board); if(board->turn==White){ gui_send(GUI,"0-1 {polyglot: resign" " (illegal engine move by white: %s)}",Uci->bestmove); }else{ gui_send(GUI,"1-0 {polyglot: resign" " (illegal engine move by black: %s)}",Uci->bestmove); } board_disp(board); XB->result = TRUE; mess(); } }
void xboard2uci_gui_step(char string[]) { int move; char move_string[256]; board_t board[1]; if (FALSE) { } else if (match(string,"accepted *")) { // ignore } else if (match(string,"analyze")) { State->computer[White] = FALSE; State->computer[Black] = FALSE; XB->analyse = TRUE; XB->new_hack = FALSE; ASSERT(!XB->result); XB->result = FALSE; mess(); } else if (match(string,"bk")) { if (option_get_bool(Option,"Book")) { game_get_board(Game,board); book_disp(board); } } else if (match(string,"black")) { if (colour_is_black(game_turn(Game))) { State->computer[White] = TRUE; State->computer[Black] = FALSE; XB->new_hack = TRUE; XB->result = FALSE; mess(); } } else if (match(string,"computer")) { XB->computer = TRUE; } else if (match(string,"draw")) { if(option_find(Uci->option,"UCI_DrawOffers")){ my_log("POLYGLOT draw from XB received"); uci_send_option(Uci,"DrawOffer","%s","draw");} } else if (match(string,"easy")) { XB->ponder = FALSE; mess(); } else if (match(string,"edit")) { // refuse gui_send(GUI,"Error (unknown command): %s",string); } else if (match(string,"exit")) { State->computer[White] = FALSE; State->computer[Black] = FALSE; XB->analyse = FALSE; mess(); } else if (match(string,"force")) { State->computer[White] = FALSE; State->computer[Black] = FALSE; mess(); } else if (match(string,"go")) { State->computer[game_turn(Game)] = TRUE; State->computer[colour_opp(game_turn(Game))] = FALSE; XB->new_hack = FALSE; ASSERT(!XB->result); XB->result = FALSE; mess(); } else if (match(string,"hard")) { XB->ponder = TRUE; mess(); } else if (match(string,"hint")) { move=MoveNone; game_get_board(Game,board); if (option_get_bool(Option,"Book")) { move = book_move(board,FALSE); } if(move==MoveNone && State->hint_move!=MoveNone){ move=State->hint_move; } if (move != MoveNone && move_is_legal(move,board)) { move_to_san(move,board,move_string,256); gui_send(GUI,"Hint: %s",move_string); } } else if (match(string,"ics *")) { XB->ics = TRUE; } else if (match(string,"level * *:* *")) { XB->mps = atoi(Star[0]); XB->base = ((double)atoi(Star[1])) * 60.0 + ((double)atoi(Star[2])); XB->inc = ((double)atoi(Star[3])); } else if (match(string,"level * * *")) { XB->mps = atoi(Star[0]); XB->base = ((double)atoi(Star[1])) * 60.0; XB->inc = ((double)atoi(Star[2])); } else if (match(string,"name *")) { my_string_set(&XB->name,Star[0]); } else if (match(string,"new")) { uci_send_isready_sync(Uci); my_log("POLYGLOT NEW GAME\n"); option_set(Option,"3Check","false"); option_set(Option,"Chess960","false"); option_set(Option,"Atomic","false"); option_set(Option,"Horde","false"); game_clear(Game); if (XB->analyse) { State->computer[White] = FALSE; State->computer[Black] = FALSE; } else { State->computer[White] = FALSE; State->computer[Black] = TRUE; } XB->new_hack = TRUE; XB->result = FALSE; XB->depth_limit = FALSE; XB->node_rate=-1; XB->computer = FALSE; my_string_set(&XB->name,"<empty>"); board_update(); mess(); uci_send_ucinewgame(Uci); } else if (match(string,"nopost")) { XB->post = FALSE; } else if (match(string,"otim *")) { XB->opp_time = ((double)atoi(Star[0])) / 100.0; if (XB->opp_time < 0.0) XB->opp_time = 0.0; } else if (match(string,"pause")) { // refuse gui_send(GUI,"Error (unknown command): %s",string); } else if (match(string,"ping *")) { // HACK; TODO: answer only after an engine move if (DelayPong) { if (XB->ping >= 0) gui_send(GUI,"pong %d",XB->ping); // HACK: get rid of old ping XB->ping = atoi(Star[0]); uci_send_isready_sync(Uci); } else { ASSERT(XB->ping==-1); gui_send(GUI,"pong %s",Star[0]); } } else if (match(string,"nps *")) { // fake WB play-by-nodes mode XB->node_rate = atoi(Star[0]); } else if (match(string,"playother")) { State->computer[game_turn(Game)] = FALSE; State->computer[colour_opp(game_turn(Game))] = TRUE; XB->new_hack = FALSE; ASSERT(!XB->result); XB->result = FALSE; mess(); } else if (match(string,"post")) { XB->post = TRUE; } else if (match(string,"protover *")) { XB->proto_ver = atoi(Star[0]); ASSERT(XB->proto_ver>=2); send_xboard_options(); } else if (match(string,"quit")) { my_log("POLYGLOT *** \"quit\" from GUI ***\n"); quit(); } else if (match(string,"random")) { // ignore } else if (match(string,"rating * *")) { // ignore } else if (match(string,"remove")) { if (game_pos(Game) >= 2) { game_goto(Game,game_pos(Game)-2); ASSERT(!XB->new_hack); XB->new_hack = FALSE; // HACK? XB->result = FALSE; board_update(); mess(); } } else if (match(string,"rejected *")) { // ignore } else if (match(string,"reset")) { // protover 3? // refuse gui_send(GUI,"Error (unknown command): %s",string); } else if (FALSE || match(string,"result * {*}") || match(string,"result * {* }") || match(string,"result * { *}") || match(string,"result * { * }")) { my_log("POLYGLOT GAME END\n"); XB->result = TRUE; mess(); // book learning if (FALSE && option_get_bool(Option,"Book") && option_get_bool(Option,"BookLearn")) { if (FALSE) { } else if (my_string_equal(Star[0],"1-0")) { learn(+1); } else if (my_string_equal(Star[0],"0-1")) { learn(-1); } else if (my_string_equal(Star[0],"1/2-1/2")) { learn(0); } } } else if (match(string,"resume")) { // refuse gui_send(GUI,"Error (unknown command): %s",string); } else if (match(string,"option *=*") || match(string,"option * =*") || match(string,"option *= *") || match(string,"option * = *") ){ char *name=Star[0]; char *value=Star[1]; if(match(name, "Polyglot *")){ char *pg_name=Star[0]; polyglot_set_option(pg_name,value); }else{ option_t *opt=option_find(Uci->option,name); if(opt){ if(my_string_case_equal(opt->type,"check")){ value=my_string_equal(value,"1")?"true":"false"; } start_protected_command(); uci_send_option(Uci, name, "%s", value); end_protected_command(); }else{ gui_send(GUI,"Error (unknown option): %s",name); } } } else if (match(string,"option *")){ char *name=Star[0]; if(match(name, "Polyglot *")){ char *pg_name=Star[0]; polyglot_set_option(pg_name,"<empty>"); }else{ start_protected_command(); // value is ignored if(!uci_send_option(Uci, name, "%s", "<empty>")){ gui_send(GUI,"Error (unknown option): %s",name); }; end_protected_command(); } } else if (XB->has_feature_smp && match(string,"cores *")){ int cores=atoi(Star[0]); if(cores>=1){ // updating the number of cores my_log("POLYGLOT setting the number of cores to %d\n",cores); start_protected_command(); uci_set_threads(Uci,cores); end_protected_command(); } else{ // refuse gui_send(GUI,"Error (unknown command): %s",string); } } else if (match(string,"egtpath * *")){ char *type=Star[0]; char *path=Star[1]; if(my_string_empty(path)){ // refuse gui_send(GUI,"Error (unknown command): %s",string); }else{ if(my_string_case_equal(type,"nalimov") && XB->has_feature_egt_nalimov){ // updating NalimovPath my_log("POLYGLOT setting the Nalimov path to %s\n",path); start_protected_command(); uci_send_option(Uci,"NalimovPath","%s",path); end_protected_command(); }else if(my_string_case_equal(type,"gaviota") && XB->has_feature_egt_gaviota){ // updating GaviotaPath my_log("POLYGLOT setting the Gaviota path to %s\n",path); start_protected_command(); uci_send_option(Uci,"GaviotaTbPath","%s",path); end_protected_command(); }else{ // refuse gui_send(GUI,"Error (unsupported table base format): %s",string); } } } else if (XB->has_feature_memory && match(string,"memory *")){ int memory = atoi(Star[0]); int egt_cache; int real_memory; if(memory>=1){ // updating the available memory option_t *opt; my_log("POLYGLOT setting the amount of memory to %dMb\n",memory); if(XB->has_feature_egt_nalimov && (opt=option_find(Uci->option,"NalimovCache"))){ egt_cache=atoi(opt->value); }else if(XB->has_feature_egt_gaviota && (opt=option_find(Uci->option,"GaviotaTbCache"))){ egt_cache=atoi(opt->value); }else{ egt_cache=0; } my_log("POLYGLOT EGTB Cache is %dMb\n",egt_cache); real_memory=memory-egt_cache; if(real_memory>0){ start_protected_command(); uci_send_option(Uci,"Hash", "%d", real_memory); end_protected_command(); } }else{ // refuse gui_send(GUI,"Error (unknown command): %s",string); } } else if (match(string,"sd *")) { XB->depth_limit = TRUE; XB->depth_max = atoi(Star[0]); } else if (match(string,"setboard *")) { my_log("POLYGLOT FEN %s\n",Star[0]); if (!game_init(Game,Star[0])) my_fatal("xboard_step(): bad FEN \"%s\"\n",Star[0]); State->computer[White] = FALSE; State->computer[Black] = FALSE; XB->new_hack = TRUE; // HACK? XB->result = FALSE; board_update(); mess(); } else if (match(string,"st *")) { XB->time_limit = TRUE; XB->time_max = ((double)atoi(Star[0])); } else if (match(string,"time *")) { XB->my_time = ((double)atoi(Star[0])) / 100.0; if (XB->my_time < 0.0) XB->my_time = 0.0; } else if (match(string,"undo")) { if (game_pos(Game) >= 1) { game_goto(Game,game_pos(Game)-1); ASSERT(!XB->new_hack); XB->new_hack = FALSE; // HACK? XB->result = FALSE; board_update(); mess(); } } else if (match(string,"usermove *")) { game_get_board(Game,board); move = move_from_san(Star[0],board); if (move != MoveNone && move_is_legal(move,board)) { XB->new_hack = FALSE; ASSERT(!XB->result); XB->result = FALSE; move_step(move); no_mess(move); } else { gui_send(GUI,"Illegal move: %s",Star[0]); } } else if (match(string,"variant *")) { if (my_string_equal(Star[0],"3check")) { option_set(Option,"3Check","true"); } else { option_set(Option,"3Check","false"); } if (my_string_equal(Star[0],"fischerandom")) { option_set(Option,"Chess960","true"); } else { option_set(Option,"Chess960","false"); } if (my_string_equal(Star[0],"atomic")) { option_set(Option,"Atomic","true"); } else { option_set(Option,"Atomic","false"); } if (my_string_equal(Star[0],"horde")) { option_set(Option,"Horde","true"); game_init(Game,StartFenHorde); //gui_send(GUI,"setup %s",StartFenHorde); } else { option_set(Option,"Horde","false"); } } else if (match(string,"white")) { if (colour_is_white(game_turn(Game))) { State->computer[White] = FALSE; State->computer[Black] = TRUE; XB->new_hack = TRUE; XB->result = FALSE; mess(); } } else if (match(string,"xboard")) { // ignore } else if (match(string,".")) { // analyse info if (State->state == ANALYSE) { int depth=Uci->best_depth;//HACK: don't clear engine-output window... ASSERT(Uci->searching); ASSERT(Uci->pending_nb>=1); if (Uci->root_move != MoveNone && move_is_legal(Uci->root_move,Uci->board)) { move_to_san(Uci->root_move,Uci->board,move_string,256); 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); } else { gui_send(GUI,"stat01: %.0f "S64_FORMAT" %d %d %d",Uci->time*100.0,Uci->node_nb,/*Uci->*/depth,0,0); // HACK } } } else if (match(string,"?")) { // move now if (State->state == THINK) { ASSERT(Uci->searching); ASSERT(Uci->pending_nb>=1); // HACK: just send "stop" to the engine if (Uci->searching) { my_log("POLYGLOT STOP SEARCH\n"); engine_send(Engine,"stop"); } } } else { // unknown command, maybe a move? game_get_board(Game,board); move = move_from_san(string,board); if (move != MoveNone && move_is_legal(move,board)) { XB->new_hack = FALSE; ASSERT(!XB->result); XB->result = FALSE; move_step(move); no_mess(move); } else if (move != MoveNone) { gui_send(GUI,"Illegal move: %s",string); } else { gui_send(GUI,"Error (unknown command): %s",string); } } return; }
static void search_update() { int move; int move_nb; board_t board[1]; ASSERT(!Uci->searching); // launch a new search if needed if (State->state == THINK || State->state == PONDER || State->state == ANALYSE) { // [VdB] moved up as we need the move number game_get_board(Game,Uci->board); // opening book if (State->state == THINK && option_get_bool(Option,"Book") && Uci->board->move_nb<option_get_int(Option,"BookDepth") ) { move = book_move(Uci->board,option_get_bool(Option,"BookRandom")); if (move != MoveNone && move_is_legal(move,Uci->board)) { my_log("POLYGLOT *BOOK MOVE*\n"); search_clear(); // clears Uci->ponder_move Uci->best_move = move; board_copy(board,Uci->board); move_do(board,move); Uci->ponder_move = book_move(board,FALSE); // expected move = best book move Uci->best_pv[0] = Uci->best_move; Uci->best_pv[1] = Uci->ponder_move; // can be MoveNone Uci->best_pv[2] = MoveNone; comp_move(Uci->best_move); return; } } // engine search my_log("POLYGLOT START SEARCH\n"); // options uci_send_option(Uci,"UCI_3Check","%s", option_get_bool(Option,"3Check")?"true":"false"); uci_send_option(Uci,"UCI_Chess960","%s", option_get_bool(Option,"Chess960")?"true":"false"); uci_send_option(Uci,"UCI_Atomic","%s", option_get_bool(Option,"Atomic")?"true":"false"); uci_send_option(Uci,"UCI_Horde","%s", option_get_bool(Option,"Horde")?"true":"false"); if (option_get_int(Option,"UCIVersion") >= 2) { uci_send_option(Uci,"UCI_Opponent","none none %s %s",(XB->computer)?"computer":"human",XB->name); uci_send_option(Uci,"UCI_AnalyseMode","%s",(XB->analyse)?"true":"false"); } uci_send_option(Uci,"Ponder","%s",ponder()?"true":"false"); // position move = (State->state == PONDER) ? State->exp_move : MoveNone; send_board(move); // updates Uci->board global variable // search if (State->state == THINK || State->state == PONDER) { engine_send_queue(Engine,"go"); if (XB->time_limit) { // fixed time per move if(XB->node_rate > 0){ engine_send_queue(Engine, " nodes %.0f", XB->time_max*((double)XB->node_rate)); }else{ double computed_time; double st_fudge; st_fudge=(double) option_get_int(Option,"STFudge"); my_log("POLYGLOT Giving engine %.0fmsec extra time.\n",st_fudge); computed_time=XB->time_max*1000.0-st_fudge; if(computed_time< 1.0){ computed_time=1.0; } engine_send_queue(Engine, " movetime %.0f", computed_time); } } else { // time controls if(XB->node_rate > 0) { double time; move_nb = 40; if (XB->mps != 0){ move_nb = XB->mps - (Uci->board->move_nb % XB->mps); } time = XB->my_time / move_nb; if(XB->inc != 0){ time += XB->inc; } if(time > XB->my_time){ time = XB->my_time; } engine_send_queue(Engine, " nodes %.0f", time*XB->node_rate); } else { if (colour_is_white(Uci->board->turn)) { engine_send_queue(Engine, " wtime %.0f btime %.0f", XB->my_time*1000.0,XB->opp_time*1000.0); } else { engine_send_queue(Engine, " wtime %.0f btime %.0f", XB->opp_time*1000.0,XB->my_time*1000.0); } if (XB->inc != 0.0){ engine_send_queue(Engine, " winc %.0f binc %.0f", XB->inc*1000.0,XB->inc*1000.0); } if (XB->mps != 0) { move_nb = XB->mps - (Uci->board->move_nb % XB->mps); ASSERT(move_nb>=1&&move_nb<=XB->mps); engine_send_queue(Engine," movestogo %d",move_nb); } } } if (XB->depth_limit) engine_send_queue(Engine," depth %d",XB->depth_max); if (State->state == PONDER) engine_send_queue(Engine," ponder"); engine_send(Engine,""); // newline } else if (State->state == ANALYSE) { engine_send(Engine,"go infinite"); } else { ASSERT(FALSE); } // init search info ASSERT(!Uci->searching); search_clear(); Uci->searching = TRUE; Uci->pending_nb++; } }
/** * @brief Loop event * @param ui user interface */ void ui_loop_nboard(UI *ui) { char *cmd = NULL, *param = NULL; Play *play = ui->play; // loop forever for (;;) { errno = 0; if (log_is_open(nboard_log)) { play_print(play, nboard_log->f); } ui_event_wait(ui, &cmd, ¶m); log_print(nboard_log, "received< \"%s %s\"\n", cmd, param); if (*cmd == '\0') { } else if (strcmp(cmd, "nboard") == 0) { if (strcmp(param, "1") != 0) nboard_fail("Edax expected \"nboard 1\" protocol"); } else if (strcmp(cmd, "depth") == 0) { options.level = string_to_int(param, 21); nboard_send("set myname Edax%d", options.level); } else if (strcmp(cmd, "game") == 0) { Game game[1]; if (parse_ggf(game, param) != param) { game_get_board(game, 60, play->initial_board); play_new(play); } else { nboard_fail("Cannot parse game \"%s\"", param); } } else if (strcmp(cmd, "move") == 0) { if (!play_user_move(play, param)) { nboard_fail("Cannot parse move \"%s\"", param); } } else if (strcmp(cmd, "hint") == 0) { nboard_send("status Edax is thinking"); play_hint(play, string_to_int(param, MAX_MOVE)); nboard_send("status Edax is waiting"); } else if (strcmp(cmd, "go") == 0) { nboard_send("status Edax is thinking"); play_go(play, false); nboard_send_move(play->result); nboard_send("status Edax is waiting"); } else if (strcmp(cmd, "quit") == 0 || strcmp(cmd, "eof") == 0) { free(cmd); free(param); return; } else if (strcmp(cmd, "ping") == 0) { nboard_send("pong %s", param); } else if (strcmp(cmd, "learn") == 0) { nboard_send("status Edax is learning"); play_store(play); nboard_send("status Edax is waiting"); } else if (play_user_move(play, cmd)) { // error: unknown message } else { nboard_fail("unknown command \"%s\" \"%s\"", cmd, param); } } }
static void comp_move(int move) { board_t board[1]; char string[256]; ASSERT(move_is_ok(move)); ASSERT(State->state==THINK); ASSERT(!XB->analyse); if(option_get_bool("RepeatPV")==true) send_pv(); // to update time and nodes // send the move game_get_board(Game,board); if (move_is_castle(move,board) && option_get_bool("Chess960")) { if (!move_to_san(move,board,string,sizeof(string))) my_fatal("comp_move(): move_to_san() failed\n"); // O-O/O-O-O } else { if (!move_to_can(move,board,string,sizeof(string))) my_fatal("comp_move(): move_to_can() failed\n"); } move_step(move); //game ended? if(game_status(Game)!= PLAYING){ //handle ics drawing stuff if(XB->ics){ switch (game_status(Game)){ case DRAW_MATERIAL: case DRAW_FIFTY: case DRAW_REPETITION: xboard_send(XBoard,"offer draw"); break; default: break; } } xboard_send(XBoard,"move %s",string); board_update(); no_mess(move); return; } // engine sended a move while in ponder mode? if(State->state==PONDER){ if(board->turn==White) xboard_send(XBoard,"0-1 {polyglot : engine moves while pondering}\n"); else xboard_send(XBoard,"1-0 {polyglot : engine moves while pondering}\n"); } // resign? if (option_get_bool("Resign") && Uci->root_move_nb > 1) { int best = Uci->best_score; if (option_get_bool("ScoreWhite") && colour_is_black(Uci->board->turn)) best = -best; if (best <= -abs(option_get_int("ResignScore"))) { State->resign_nb++; my_log("POLYGLOT %d move%s with resign score\n",State->resign_nb,(State->resign_nb>1)?"s":""); if (State->resign_nb >= option_get_int("ResignMoves")) { my_log("POLYGLOT *** RESIGN ***\n"); //send move and resign //xboard_send(XBoard,"move %s \nresign",string); //just resign xboard_send(XBoard,"resign",string); no_mess(move); return; } } else { if (State->resign_nb > 0) my_log("POLYGLOT resign reset (State->resign_nb=%d)\n",State->resign_nb); State->resign_nb = 0; } } no_mess(move); xboard_send(XBoard,"move %s",string); }