/* Put fixed placement handicap stones on the board. The placement is
* compatible with the GTP fixed handicap placement rules.
*/
void
place_fixed_handicap(int handicap)
{
int low = board_size >= 13 ? 3 : 2;
int mid = board_size / 2;
int high = board_size - 1 - low;
if (handicap >= 2) {
play_move(high, low, BLACK); /* bottom left corner */
play_move(low, high, BLACK); /* top right corner */
}
if (handicap >= 3)
play_move(low, low, BLACK); /* top left corner */
if (handicap >= 4)
play_move(high, high, BLACK); /* bottom right corner */
if (handicap >= 5 && handicap % 2 == 1)
play_move(mid, mid, BLACK); /* tengen */
if (handicap >= 6) {
play_move(mid, low, BLACK); /* left edge */
play_move(mid, high, BLACK); /* right edge */
}
if (handicap >= 8) {
play_move(low, mid, BLACK); /* top edge */
play_move(high, mid, BLACK); /* bottom edge */
}
}
void play_events(game newGame, int *click, bool *gameOver)
{
MLV_Keyboard_button touche;
MLV_Button_state state;
MLV_Event event;
int mouseX, mouseY;
if (!click || !newGame) {
fprintf(stderr, "play_events parameters error");
exit(EXIT_FAILURE);
}
do {
//
// Récupère un évènement dans la file des évènements
// non traités.
//
event = MLV_get_event(
&touche, NULL, NULL,
NULL, NULL,
&mouseX, &mouseY, NULL,
&state
);
//
// Traite l'évènement s'il s'agit d'un évènement clavier
//
if (event == MLV_KEY || MLV_MOUSE_BUTTON) {
if (event == MLV_MOUSE_BUTTON && state == MLV_PRESSED) {
*click = get_car_with_mouse(mouseX, mouseY, newGame);
}
if (event == MLV_MOUSE_BUTTON && state == MLV_RELEASED) {
*click = -1;
}
if (event == MLV_MOUSE_MOTION && *click != -1) {
cpiece tmp = game_piece(newGame, *click);
int x = get_x(tmp);
int y = game_height(newGame) - get_y(tmp) - get_height(tmp);
if (mouseY > (y + get_height(tmp)) * RATIO)
play_move(newGame, *click, DOWN, 1);
else if (mouseY < y * RATIO)
play_move(newGame, *click, UP, 1);
else if (mouseX > (x + get_width(tmp)) * RATIO)
play_move(newGame, *click, RIGHT, 1);
else if (mouseX < x * RATIO)
play_move(newGame, *click, LEFT, 1);
}
if(event == MLV_KEY && touche == 'q') {
*gameOver = true;
}
}
} while (event != MLV_NONE);
}
static void
benchmark(int num_games_per_point)
{
int i, j;
unsigned int random_seed = 1U;
board_size = 9;
komi = 0.5;
init_brown(random_seed);
for (i = 0; i < board_size; i++) {
for (j = 0; j < board_size; j++) {
int white_wins = 0;
int black_wins = 0;
int k;
for (k = 0; k < num_games_per_point; k++) {
int passes = 0;
int num_moves = 1;
int color = WHITE;
clear_board();
play_move(i, j, BLACK);
while (passes < 3 && num_moves < 600) {
int m, n;
generate_move(&m, &n, color);
play_move(m, n, color);
if (pass_move(m, n)) {
passes++;
}
else {
passes = 0;
}
num_moves++;
color = OTHER_COLOR(color);
}
if (passes == 3) {
if (compute_score() > 0) {
white_wins++;
}
else {
black_wins++;
}
}
}
/*
printf("%d %d %f\n", i, j,
(float) black_wins / (float) (black_wins + white_wins));
*/
}
}
}
int GameState::set_fixed_handicap_2(int handicap) {
int board_size = board.get_boardsize();
int low = board_size >= 13 ? 3 : 2;
int mid = board_size / 2;
int high = board_size - 1 - low;
int interval = (high - mid) / 2;
int placed = 0;
while (interval >= 3) {
for (int i = low; i <= high; i += interval) {
for (int j = low; j <= high; j += interval) {
if (placed >= handicap) return placed;
if (board.get_square(i-1, j-1) != FastBoard::EMPTY) continue;
if (board.get_square(i-1, j) != FastBoard::EMPTY) continue;
if (board.get_square(i-1, j+1) != FastBoard::EMPTY) continue;
if (board.get_square(i, j-1) != FastBoard::EMPTY) continue;
if (board.get_square(i, j) != FastBoard::EMPTY) continue;
if (board.get_square(i, j+1) != FastBoard::EMPTY) continue;
if (board.get_square(i+1, j-1) != FastBoard::EMPTY) continue;
if (board.get_square(i+1, j) != FastBoard::EMPTY) continue;
if (board.get_square(i+1, j+1) != FastBoard::EMPTY) continue;
play_move(FastBoard::BLACK, board.get_vertex(i, j));
placed++;
}
}
interval = interval / 2;
}
return placed;
}
void GameState::place_free_handicap(int stones) {
int limit = board.get_boardsize() * board.get_boardsize();
if (stones > limit / 2) {
stones = limit / 2;
}
int orgstones = stones;
int fixplace = std::min(9, stones);
set_fixed_handicap(fixplace);
stones -= fixplace;
stones -= set_fixed_handicap_2(stones);
for (int i = 0; i < stones; i++) {
auto search = std::make_unique<UCTSearch>(*this);
int move = search->think(FastBoard::BLACK, UCTSearch::NOPASS);
play_move(FastBoard::BLACK, move);
}
if (orgstones) {
board.set_to_move(FastBoard::WHITE);
} else {
board.set_to_move(FastBoard::BLACK);
}
anchor_game_history();
set_handicap(orgstones);
}
static int
gtp_set_free_handicap(char *s)
{
int i, j;
int n;
int handicap = 0;
if (!board_empty())
return gtp_failure("board not empty");
while ((n = gtp_decode_coord(s, &i, &j)) > 0) {
s += n;
if (get_board(i, j) != EMPTY) {
clear_board();
return gtp_failure("repeated vertex");
}
play_move(i, j, BLACK);
handicap++;
}
if (sscanf(s, "%*s") != EOF) {
clear_board();
return gtp_failure("invalid coordinate");
}
if (handicap < 2 || handicap >= board_size * board_size) {
clear_board();
return gtp_failure("invalid handicap");
}
return gtp_success("");
}
/**
* @brief ui_ggs_update
*
* Update a game.
*
* @param ui User Interface.
*/
static void ui_ggs_update(UI *ui) {
char buffer[256], s_move[4];
Play *play;
int edax_turn, turn;
Board board[1];
printf("[received GGS_BOARD_UPDATE]\n");
// set correct played game
if (strcmp(ui->ggs->board->player[0].name, ui->ggs->me) == 0) {
play = ui->play;
edax_turn = BLACK;
} else if (strcmp(ui->ggs->board->player[1].name, ui->ggs->me) == 0) {
play = ui->play + 1;
edax_turn = WHITE;
} else {
return ;
}
if (!ui->ggs->board->match_type->is_synchro) play = ui->play;
// set board as an edax's board
sprintf(buffer, "%s %c", ui->ggs->board->board, ui->ggs->board->turn);
turn = board_set(board, buffer);
// update the board... if possible
if (!play_move(play, ui->ggs->board->move)) {
info("<Updating with bad move %s>\n", move_to_string(ui->ggs->board->move, play->player, s_move));
}
if (!board_equal(board, play->board)) { // may happens when game diverges
info("<Resynchronize boards: diverging games>\n");
*play->board = *board; play->player = turn;
}
if (turn != play->player) { // should never happen: TODO fatal error?
printf("[WARNING: updating player's turn]\n");
play->player = turn;
}
printf("[%s's turn in game %s]\n", ui->ggs->board->player[play->player].name, ui->ggs->board->id);
// playing same game... ?
ui->is_same_play = (!ui->ggs->board->match_type->is_synchro || board_equal(ui->play[0].board, ui->play[1].board));
if (ui->is_same_play) printf("<Playing same game...>\n");
// set time & start thinking
if (play->player == edax_turn) {
printf("<My turn>\n");
ui_ggs_play(ui, edax_turn);
} else {
printf("<Opponent turn>\n");
ui_ggs_ponder(ui, edax_turn);
}
}
/* Put free placement handicap stones on the board. We do this simply
* by generating successive black moves.
*/
void
place_free_handicap(int handicap)
{
int k;
int i, j;
for (k = 0; k < handicap; k++) {
generate_move(&i, &j, BLACK);
play_move(i, j, BLACK);
}
}
bool GameState::set_fixed_handicap(int handicap) {
if (!valid_handicap(handicap)) {
return false;
}
int board_size = board.get_boardsize();
int high = board_size >= 13 ? 3 : 2;
int mid = board_size / 2;
int low = board_size - 1 - high;
if (handicap >= 2) {
play_move(FastBoard::BLACK, board.get_vertex(low, low));
play_move(FastBoard::BLACK, board.get_vertex(high, high));
}
if (handicap >= 3) {
play_move(FastBoard::BLACK, board.get_vertex(high, low));
}
if (handicap >= 4) {
play_move(FastBoard::BLACK, board.get_vertex(low, high));
}
if (handicap >= 5 && handicap % 2 == 1) {
play_move(FastBoard::BLACK, board.get_vertex(mid, mid));
}
if (handicap >= 6) {
play_move(FastBoard::BLACK, board.get_vertex(low, mid));
play_move(FastBoard::BLACK, board.get_vertex(high, mid));
}
if (handicap >= 8) {
play_move(FastBoard::BLACK, board.get_vertex(mid, low));
play_move(FastBoard::BLACK, board.get_vertex(mid, high));
}
board.set_to_move(FastBoard::WHITE);
anchor_game_history();
set_handicap(handicap);
return true;
}
map createNewState(map m, int nPiece, dir d, int dist)
{
game g = new_game(1, 1, 0, NULL);
copy_game(m->g, g);
map r = NULL;
if (play_move(g, nPiece, d, dist)){
r = newMap(g, m);
delete_game(g);
}
else
delete_game(g);
return r;
}
void play_input(game newGame, int ch, int *choosenCar)
{
if (ch >= '0' && ch <= '9') {
*choosenCar = ch - '0';
}
if (*choosenCar != -1 && *choosenCar < game_nb_pieces(newGame)) {
switch (ch) {
case KEY_LEFT:
play_move(newGame, *choosenCar, LEFT, 1);
break;
case KEY_RIGHT:
play_move(newGame, *choosenCar, RIGHT, 1);
break;
case KEY_DOWN:
play_move(newGame, *choosenCar, DOWN, 1);
break;
case KEY_UP:
play_move(newGame, *choosenCar, UP, 1);
break;
}
}
}
/**
* @brief ui_ggs_join
*
* Join a new game.
* This is a new game from Edax point of view.
* This may be a saved game from GGS side.
*
* @param ui User Interface.
*/
static void ui_ggs_join(UI *ui) {
char buffer[256];
char s_move[4];
Play *play;
int edax_turn, i;
printf("[received GGS_BOARD_JOIN]\n");
// set correct played game
if (strcmp(ui->ggs->board->player[0].name, ui->ggs->me) == 0) {
play = ui->play;
edax_turn = BLACK;
} else if (strcmp(ui->ggs->board->player[1].name, ui->ggs->me) == 0) {
play = ui->play + 1;
edax_turn = WHITE;
} else {
warn("Edax is not concerned by this game\n");
return ;
}
// non synchro games => play a single match
if (!ui->ggs->board->match_type->is_synchro) play = ui->play;
// set board
sprintf(buffer, "%s %c", ui->ggs->board->board_init, ui->ggs->board->turn_init);
play_set_board(play, buffer);
for (i = 0; i < ui->ggs->board->move_list_n; i++) {
if (!play_move(play, ui->ggs->board->move_list[i])) {
error("cannot play GGS move %s ?", move_to_string(ui->ggs->board->move_list[i], play->player, s_move));
break;
}
}
printf("[%s's turn in game %s]\n", ui->ggs->board->player[play->player].name, ui->ggs->board->id);
board_print(play->board, play->player, stdout);
ui->is_same_play = (ui->ggs->board->move_list_n == 0 || board_equal(ui->play[0].board, ui->play[1].board) || !ui->ggs->board->match_type->is_synchro);
if (ui->is_same_play) printf("[Playing same game]\n");
// set time & start thinking
if (play->player == edax_turn) {
printf("<My turn>\n");
ggs_client_send(ui->ggs, "tell .%s =====================================\n", ui->ggs->me);
ui_ggs_play(ui, edax_turn);
ui_ggs_ponder(ui, edax_turn);
} else {
printf("[Waiting opponent move]\n");
// ui_ggs_ponder(ui, edax_turn);
}
}
game play_solution(game newGame, gameStruct *result, int n)
{
char *pch, *sch;
char *save_move = malloc(strlen(result->move) + 1);
strcpy(save_move, result->move);
pch = strtok(save_move, "\n");
for (int i = 0; i < n && pch != NULL; i++) {
pch = strtok(NULL, "\n");
}
sch = strtok(pch, " ");
int piece = atoi(sch);
sch = strtok(NULL, " ");
if (strcmp(sch, "UP") == 0) {
play_move(newGame, piece, UP, 1);
} else if (strcmp(sch, "DOWN") == 0) {
play_move(newGame, piece, DOWN, 1);
} else if (strcmp(sch, "LEFT") == 0) {
play_move(newGame, piece, LEFT, 1);
} else if (strcmp(sch, "RIGHT") == 0) {
play_move(newGame, piece, RIGHT, 1);
}
free(save_move);
return newGame;
}
static int
gtp_play(char *s)
{
int i, j;
int color = EMPTY;
if (!gtp_decode_move(s, &color, &i, &j))
return gtp_failure("invalid color or coordinate");
if (!legal_move(i, j, color))
return gtp_failure("illegal move");
play_move(i, j, color);
return gtp_success("");
}
static int
gtp_genmove(char *s)
{
int i, j;
int color = EMPTY;
if (!gtp_decode_color(s, &color))
return gtp_failure("invalid color");
generate_move(&i, &j, color);
play_move(i, j, color);
gtp_start_response(GTP_SUCCESS);
gtp_mprintf("%m", i, j);
return gtp_finish_response();
}
/* Preliminary function for playing through the aftermath. */
static void
do_play_aftermath(int color, struct aftermath_data *a)
{
int move;
int pass = 0;
int moves = 0;
int color_to_play = color;
DEBUG(DEBUG_AFTERMATH, "The aftermath starts.\n");
/* Disable computing worm and owl threats. */
disable_threat_computation = 1;
/* Disable matching of endgame patterns. */
disable_endgame_patterns = 1;
while (pass < 2 && moves < board_size * board_size) {
int reading_nodes = get_reading_node_counter();
int owl_nodes = get_owl_node_counter();
int move_val = reduced_genmove(&move, color_to_play);
if (move_val < 0) {
int save_verbose = verbose;
if (verbose > 0)
verbose--;
move_val = aftermath_genmove(&move, color_to_play,
(color_to_play == WHITE ?
a->white_control : a->black_control),
0);
verbose = save_verbose;
}
play_move(move, color_to_play);
if (aftermath_sgftree)
sgftreeAddPlay(aftermath_sgftree, color_to_play, I(move), J(move));
moves++;
DEBUG(DEBUG_AFTERMATH, "%d %C move %1m (nodes %d, %d total %d, %d)\n",
movenum, color_to_play, move, get_owl_node_counter() - owl_nodes,
get_reading_node_counter() - reading_nodes,
get_owl_node_counter(), get_reading_node_counter());
if (move != PASS_MOVE)
pass = 0;
else
pass++;
color_to_play = OTHER_COLOR(color_to_play);
}
/* Reenable worm and dragon threats and endgame patterns. */
disable_threat_computation = 0;
disable_endgame_patterns = 0;
}
bool GameState::play_textmove(std::string color, std::string vertex) {
int who;
int column, row;
int boardsize = board.get_boardsize();
if (color == "w" || color == "white") {
who = FullBoard::WHITE;
} else if (color == "b" || color == "black") {
who = FullBoard::BLACK;
} else return false;
if (vertex.size() < 2) return 0;
if (!std::isalpha(vertex[0])) return 0;
if (!std::isdigit(vertex[1])) return 0;
if (vertex[0] == 'i') return 0;
if (vertex[0] >= 'A' && vertex[0] <= 'Z') {
if (vertex[0] < 'I') {
column = 25 + vertex[0] - 'A';
} else {
column = 25 + (vertex[0] - 'A')-1;
}
} else {
if (vertex[0] < 'i') {
column = vertex[0] - 'a';
} else {
column = (vertex[0] - 'a')-1;
}
}
std::string rowstring(vertex);
rowstring.erase(0, 1);
std::istringstream parsestream(rowstring);
parsestream >> row;
row--;
if (row >= boardsize) return false;
if (column >= boardsize) return false;
int move = board.get_vertex(column, row);
play_move(who, move);
return true;
}
void
init_brown()
{
int k;
int i, j;
/* The GTP specification leaves the initial board configuration as
* well as the board configuration after a boardsize command to the
* discretion of the engine. We choose to start with up to 20 random
* stones on the board.
*/
clear_board();
for (k = 0; k < 20; k++) {
int color = rand() % 2 ? BLACK : WHITE;
generate_move(&i, &j, color);
play_move(i, j, color);
}
}
int take_number_case(game g, int piece_num, dir d, char* buf, int* distance){
while(true){
printf("How many case?\n");
read(0, buf, sizeof(char)*100);
if(strcmp(buf, "cancel") == 10)
break;
if(strcmp(buf, "exit") == 10)
return -1;
if(buf[0]<48 || buf[0]>=48+SIZE_ARRAY || buf[1] != 10)
printf("Write a number between 0 and %d\tor write cancel or exit.\n",SIZE_ARRAY-1);
else{
*(distance) = atoi(buf);
if(!play_move(g, piece_num, d, *(distance)))
printf("The piece %d cannot move of %d case(s).\n", piece_num, *(distance));
else
return 1;
}
}
return 0;
}
std::string Protocol::search_move(bool use_san_notation)
{
Move m = game.root(depth + 1);
if (m.is_null()) {
if (game.is_check(game.current_position().side())) {
return "LOST";
}
return "DRAW";
} else {
if (use_san_notation) {
std::string res = game.output_move(m);
play_move(m.to_string());
if (game.is_check(game.current_position().side())) {
res += "+";
}
undo_move();
return res;
}
return m.to_string();
}
}
int solve_step(t_pos *pos) {
int moves[MAX_MOVES * 2];
int count = find_moves(pos, moves);
int i, cell_id, value, ret, cur_status;
//print_moves(count, moves);
for (i = 0; i < count; ++i) {
cell_id = moves[2 * i];
value = moves[2 * i + 1];
ret = OPEN;
play_move(pos, cell_id, value);
cur_status = solved(pos);
if (cur_status != OPEN) {
ret = cur_status;
} else if (solve_step(pos) == SOLVED) {
ret = SOLVED;
}
undo_move(pos, cell_id, value);
if (ret == SOLVED) {
return ret;
}
}
return IMPOSSIBLE;
}
char* do_play(Game *game, Color c, Point pt)
// Play the move (updating the Game struct)
{
char *ret;
Color to_play_before;
int played=0;
Info m = 0;
Position *pos = game->pos;
to_play_before = board_color_to_play(pos);
board_set_color_to_play(pos, c);
if (point_color(pos,pt) == EMPTY) {
ret = play_move(pos, pt);
if (ret[0] == 0) {
m = pt + (board_captured_neighbors(pos) << 9)
+ (board_ko_old(pos) << 13)
+ ((to_play_before) << 22);
played = 1;
}
// else illegal move: nothing played
}
else if(pt == PASS_MOVE) {
ret = pass_move(pos);
m = pt + (board_captured_neighbors(pos) << 9)
+ (board_ko_old(pos) << 13)
+ ((to_play_before) << 22);
played = 1;
}
else ret ="Error Illegal move: point not EMPTY\n";
if (played) {
c2++;
slist_push(game->moves, m);
}
return ret;
}
bool BoardC4::play_random_move(Token player) {
if (played_count<size) {
Moves possible_moves=get_possible_moves(player);
int selected=rand()/(RAND_MAX + 1.0) * possible_moves.size();
Moves::const_iterator selected_iter=possible_moves.begin();
while (selected>0) {
selected--;
selected_iter++;
}
play_move(**selected_iter);
//play_move(*selected);
//Move *selected=possible_moves[rand()%possible_moves.size()];
//play_move(*selected);
for (Moves::iterator iter=possible_moves.begin(); iter!=possible_moves.end(); iter++) delete *iter;
return true;
} else {
//std::cout<<"board full"<<std::endl;
return false;
}
}
int main(int argc, char *argv[]){
set_up_pieces();
game g = new_game_hr(NB_PIECES, pieces);
char buf[3][100];
int piece_num;
dir d;
int distance;
while(!game_over_hr(g)){
bool good = false;
while(!good){
while(!good){
set_up_board(g);
print_game(g);
printf("Move the pieces for free the piece 0 to the exit:\n");
printf("Total move: %d\n",game_nb_moves(g));
while(!good){
printf("What piece do you want to move?\n");
read(0, buf[0], sizeof(char)*100);
if(strcmp(buf[0], "cancel") == 10)
break;
if(strcmp(buf[0], "exit") == 10)
return EXIT_SUCCESS;
if(buf[0][0]<48 || buf[0][0]>=48+NB_PIECES || buf[0][1] != 10)
printf("Write a number between 0 and %d\tor write cancel or exit.\n",NB_PIECES-1);
else{
piece_num = atoi(buf[0]);
good = true;
}
}
if(!good)
break;
good = false;
while(!good){
printf("In what direction?\n");
read(0, buf[1], sizeof(char)*100);
if(strcmp(buf[1], "cancel") == 10)
break;
if(strcmp(buf[1], "exit") == 10)
return EXIT_SUCCESS;
if(!is_dir_option(buf[1]))
printf("Write one of those direction: up, down, right, left\tor write cancel or exit.\n");
else{
for(int i=0; i<4; ++i){
if(strcmp(buf[1], direction[i].dir_name) == 10)
d = direction[i].dir_option;
}
if(!good_direction(g, piece_num, d)){
if(is_horizontal(game_piece(g, piece_num)))
printf("The piece %d cannot move vertycaly\n", piece_num);
else
printf("The piece %d cannot move horizontaly\n", piece_num);
}else
good = true;
}
}
if(!good)
break;
good = false;
while(!good){
printf("How many case?\n");
read(0, buf[2], sizeof(char)*100);
if(strcmp(buf[2], "cancel") == 10)
break;
if(strcmp(buf[2], "exit") == 10)
return EXIT_SUCCESS;
if(buf[2][0]<48 || buf[2][0]>=48+SIZE_ARRAY || buf[2][1] != 10)
printf("Write a number between 0 and %d\tor write cancel or exit.\n",SIZE_ARRAY-1);
else{
distance = atoi(buf[2]);
good = play_move(g, piece_num, d, distance);
if(!good)
printf("The piece %d cannot move to that case.\n", piece_num);
}
}
}
}
}
set_up_board(g);
print_game(g);
printf("CONGRETULATION\nYou won in %d moves\n", game_nb_moves(g));
return EXIT_SUCCESS;
}
void GameState::play_pass() {
play_move(get_to_move(), FastBoard::PASS);
}
void GameState::play_move(int vertex) {
play_move(board.get_to_move(), vertex);
}
void
load_and_score_sgf_file(SGFTree *tree, Gameinfo *gameinfo,
const char *scoringmode)
{
int i, j, move_val;
float result;
char *tempc = NULL;
char dummy;
char text[250];
char winner;
int next;
int pass = 0;
SGFTree score_tree;
sgftree_clear(&score_tree);
sgftreeCreateHeaderNode(&score_tree, board_size, komi);
sgffile_printboard(&score_tree);
next = gameinfo->to_move;
doing_scoring = 1;
reset_engine();
if (!strcmp(scoringmode, "finish") || !strcmp(scoringmode, "aftermath")) {
do {
move_val = genmove_conservative(&i, &j, next);
if (move_val >= 0) {
pass = 0;
gprintf("%d %s move %m\n", movenum,
next == WHITE ? "white (O)" : "black (X)", i, j);
}
else {
++pass;
gprintf("%d %s move : PASS!\n", movenum,
next == WHITE ? "white (O)" : "black (X)");
}
play_move(POS(i, j), next);
sgffile_add_debuginfo(score_tree.lastnode, move_val);
sgftreeAddPlay(&score_tree, next, i, j);
sgffile_output(&score_tree);
next = OTHER_COLOR(next);
} while (movenum <= 10000 && pass < 2);
if (pass >= 2) {
/* Calculate the score */
if (!strcmp(scoringmode, "aftermath"))
score = aftermath_compute_score(next, komi, &score_tree);
else
score = gnugo_estimate_score(&lower_bound, &upper_bound);
if (score < 0.0) {
sprintf(text, "Black wins by %1.1f points\n", -score);
winner = 'B';
}
else if (score > 0.0) {
sprintf(text, "White wins by %1.1f points\n", score);
winner = 'W';
}
else {
sprintf(text, "Jigo\n");
winner = '0';
}
fputs(text, stdout);
sgftreeAddComment(&score_tree, text);
if (sgfGetCharProperty(tree->root, "RE", &tempc)) {
if (sscanf(tempc, "%1c%f", &dummy, &result) == 2) {
fprintf(stdout, "Result from file: %1.1f\n", result);
fputs("GNU Go result and result from file are ", stdout);
if (result == fabs(score) && winner == dummy)
fputs("identical\n", stdout);
else
fputs("different\n", stdout);
}
else {
if (tempc[2] == 'R') {
fprintf(stdout, "Result from file: Resign\n");
fputs("GNU Go result and result from file are ", stdout);
if (tempc[0] == winner)
fputs("identical\n", stdout);
else
fputs("different\n", stdout);
}
}
}
sgfWriteResult(score_tree.root, score, 1);
sgffile_output(&score_tree);
}
}
doing_scoring = 0;
if (strcmp(scoringmode, "aftermath")) {
/* Before we call estimate_score() we must make sure that the dragon
* status is computed. Therefore the call to examine_position().
*/
examine_position(next, EXAMINE_ALL);
score = estimate_score(NULL, NULL);
fprintf(stdout, "\n%s seems to win by %1.1f points\n",
score < 0 ? "B" : "W",
score < 0 ? -score : score);
}
}
static void
replay_node(SGFNode *node, int color_to_replay, float *replay_score,
float *total_score)
{
SGFProperty *sgf_prop; /* iterate over properties of the node */
SGFProperty *move_prop = NULL; /* remember if we see a move property */
int color; /* color of move to be made at this node. */
int old_move; /* The move played in the file. */
int new_move; /* The move generated by GNU Go. */
char buf[BUFSIZE];
/* Handle any AB / AW properties, and note presence
* of move properties.
*/
for (sgf_prop = node->props; sgf_prop; sgf_prop = sgf_prop->next) {
switch (sgf_prop->name) {
case SGFAB:
/* add black */
add_stone(get_sgfmove(sgf_prop), BLACK);
break;
case SGFAW:
/* add white */
add_stone(get_sgfmove(sgf_prop), WHITE);
break;
case SGFB:
case SGFW:
move_prop = sgf_prop; /* remember it for later */
break;
}
}
/* Only generate moves at move nodes. */
if (!move_prop)
return;
old_move = get_sgfmove(move_prop);
color = (move_prop->name == SGFW) ? WHITE : BLACK;
if (color == color_to_replay || color_to_replay == GRAY) {
float new_move_value = 0.0;
float old_move_value = 0.0;
/* Get a move from the engine for color. */
int resign;
new_move = genmove(color, NULL, &resign);
/* Pick up the relevant values from the potential_moves[] array. */
if (new_move != PASS_MOVE)
new_move_value = potential_moves[new_move];
if (old_move != PASS_MOVE)
old_move_value = potential_moves[old_move];
/* Now report on how well the computer generated the move. */
if (new_move != old_move || !quiet) {
mprintf("Move %d (%C): ", movenum + 1, color);
if (resign)
printf("GNU Go resigns ");
else {
mprintf("GNU Go plays %1m ", new_move);
if (new_move != PASS_MOVE)
printf("(%.2f) ", new_move_value);
}
mprintf("- Game move %1m ", old_move);
if (new_move != PASS_MOVE && old_move_value > 0.0)
printf("(%.2f) ", old_move_value);
printf("\n");
*replay_score += new_move_value - old_move_value;
*total_score += new_move_value;
}
if (new_move != old_move) {
if (resign)
gg_snprintf(buf, BUFSIZE, "GNU Go resigns - Game move %s (%.2f)",
location_to_string(old_move), old_move_value);
else {
gg_snprintf(buf, BUFSIZE,
"GNU Go plays %s (%.2f) - Game move %s (%.2f)",
location_to_string(new_move), new_move_value,
location_to_string(old_move), old_move_value);
if (new_move != PASS_MOVE)
sgfCircle(node, I(new_move), J(new_move));
}
}
else
gg_snprintf(buf, BUFSIZE, "GNU Go plays the same move %s (%.2f)",
location_to_string(new_move), new_move_value);
sgfAddComment(node, buf);
sgffile_add_debuginfo(node, 0.0);
}
/* Finally, do play the move from the file. */
play_move(old_move, color);
}
// A function that will capture the offensive (game winning)
// movemnets of the AI.
void ai_move_offensively(int moves_remaining)
{
int t = 0;
int x = start_move_x;
int y = start_move_y;
int planning = 1;
if( algorithm_progress == 0 )
{
play_move( x, y );
play_move( x, y+1 );
algorithm_progress += 1;
}
else if( algorithm_progress == 1 )
{
play_move( x, y+2 );
play_move( x, y+3 );
algorithm_progress += 1;
}
else if( algorithm_progress == 2 )
{
play_move( x+1, y+3 );
play_move( x-1, y+3 );
algorithm_progress += 1;
}
else if( algorithm_progress == 3 )
{
play_move( x+2, y );
play_move( x+1, y+1 );
algorithm_progress += 1;
}
else if( algorithm_progress == 4 )
{
play_move( x+1, y );
play_move( x+1, y+2 );
algorithm_progress += 1;
}
else if( algorithm_progress == 5 )
{
play_move( x-1, y );
play_move( x-2, y-1 );
algorithm_progress += 1;
}
print_game_board();
}
//defensive moves.
void ai_move_defensively(int moves_remaining)
{
int y = 0;
int x = 0;
int z = 0;
for ( x = 0; x < (BOARD_SIZE); x++)
{
for( y = 0; y < (BOARD_SIZE); y++)
{
int rstones = 0;
int dstones = 0;
int diastones = 0;
if(game_board[x][y] == 'B')
{
//Check to the right, down and diag-right for next 5 squares including this one.
for(z = 0; z < 6; z++)
{
//Check right
if(game_board[x][y + z] == 'B')
{
rstones++;
}
//Check down
if(game_board[x + z][y] == 'B')
{
dstones++;
}
//Check diagonal
if(game_board[x + z][y + z] == 'B')
{
diastones++;
}
}
for(z = 0; z < 6; z++)
{
if(moves_remaining > 0)
{
if(rstones >= 4)
{
if(game_board[x][y + z - 1] == ' ')
{
printf("%d", rstones);
play_move((x + 1), (y + z));
moves_remaining--;
}
}
else if(dstones >= 4)
{
if(game_board[x + z - 1][y] == ' ')
{
play_move((x + z), (y + 1));
moves_remaining--;
}
}
else if(diastones >= 4)
{
if(game_board[x + z - 1][y + z - 1] == ' ')
{
play_move((x + z), (y + z));
moves_remaining--;
}
}
}
}
}
}
}
//If moves remaining, play offensive
if(moves_remaining > 0)
{
//ai_move_offensively(moves_remaining);
}
print_game_board();
}