int main()
{
char board[3][3];
int move;
for (int i = 0; i < 3; ++i)
for (int j = 0; j < 3; ++j)
board[i][j] = ' ';
draw_board(board);
do {
printf("Your Move : ");
scanf("%d", &move);
if (move >= 0 && move <= 8 && board[move / 3][move % 3] == ' ') {
board[move / 3][move % 3] = 'X';
draw_board(board);
} else {
printf("Invalid Move!!!\n");
continue;
}
if (check_winner(board) != INCOM)
break;
comp_move(board);
draw_board(board);
if (check_winner(board) != INCOM)
break;
}
while (1);
if (check_winner(board) == COMPW)
printf("Computer wins the Game. Better luck next time\n\n");
else if (check_winner(board) == USERW)
printf("You have won the game! \n\n");
else
printf("Damn! It's a draw.\n\n");
return 0;
}
static void engine_step() {
char string[StringSize];
int event;
// parse UCI line
engine_get(Engine,string,StringSize);
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) {
xboard_send(XBoard,"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;
// play the engine move
comp_move(Uci->best_move);
}
if ((event & EVENT_PV) != 0) {
// the engine has sent a new PV
send_pv();
}
}
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++;
}
}
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();
}
}
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++;
}
}
static void engine_step() {
char string[StringSize];
int event;
// parse UCI line
engine_get(Engine,string,StringSize); //blocking read...
event = uci_parse(Uci,string);
// react to events
if ((event & EVENT_READY) != 0) {
#ifdef _WIN32
SetEvent(Engine_ready_ok);
#endif
if (!Uci->ready) {
Uci->ready = true;
if (XB->proto_ver >= 2) xboard_send(XBoard,"feature done=1");
}
if (!DelayPong && XB->ping >= 0) {
xboard_send(XBoard,"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;
// 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){
if(!option_get_bool("InfoStrings"))
xboard_send(XBoard,"#%d %+d %.0f " S64_FORMAT " %s ",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,Uci->info_string);
else
xboard_send(XBoard,"%d %+d %.0f " S64_FORMAT " %s ",Uci->best_depth,Uci->best_score,Uci->time*100.0,Uci->node_nb,Uci->info_string);
}
if((event & (EVENT_DRAW|EVENT_RESIGN))!=0){
my_log("POYGLOT draw offer/resign from engine\n");
if(uci_option_exist(Uci,"UCI_DrawOffers")){
if(event & EVENT_DRAW)
xboard_send(XBoard,"offer draw");
else
xboard_send(XBoard,"resign");
}
}
return ;
}
