int generate_minerals(t_server *s)
{
t_counters count;
count.i = -1;
count.save_j = 0;
s->minerals_consumed = 0;
while (++count.i < NUM_MIN)
{
count.save_i = s->max_num_minerals - s->current_num_minerals[count.i];
if (count.save_i > 0)
{
count.save_j = 1;
count.j = -1;
while (++count.j < count.save_i)
{
if (add_stone(count.i, s) == -1)
return (-1);
s->current_num_minerals[count.i]++;
}
}
}
if (count.save_j != 0)
update_map(s);
return (0);
}
int func_deraumere(t_gen **map, t_player *player, int i)
{
if (i == 1)
{
if (player->inventory->nb_deraumere == 0)
return (-1);
if (add_stone(map, player->pos->x, player->pos->y, DERAUMERE) == -1)
return (-1);
--player->inventory->nb_deraumere;
return (1);
}
if (delete_stone(map, player->pos->x, player->pos->y, DERAUMERE) == -1)
return (-1);
++player->inventory->nb_deraumere;
return (1);
}
int func_linemate(t_gen **map, t_player *player, int i)
{
if (i == 1)
{
if (player->inventory->nb_linemate == 0)
return (-1);
if (add_stone(map, player->pos->x, player->pos->y, LINEMATE) == -1)
return (-1);
--player->inventory->nb_linemate;
return (1);
}
if (delete_stone(map, player->pos->x, player->pos->y, LINEMATE) == -1)
return (-1);
++player->inventory->nb_linemate;
return (1);
}
int
place_fixed_handicap(int desired_handicap)
{
int r;
int max_handicap;
int remaining_stones;
int three = board_size > 11 ? 3 : 2;
int mid = board_size/2;
/* A handicap of 1 just means that B plays first, no komi.
* Black is not told where to play the first stone so no handicap
* is set.
*/
if (desired_handicap < 2) {
handicap = 0;
return 0;
}
if ((board_size % 2 == 1) && (board_size >= 9))
max_handicap = 9;
else if (board_size >= 7)
max_handicap = 4;
else
max_handicap = 0;
/* It's up to the caller of this function to notice if the handicap
* was too large for fixed placement and act upon that.
*/
if (desired_handicap > max_handicap)
handicap = max_handicap;
else
handicap = desired_handicap;
remaining_stones = handicap;
/* special cases: 5 and 7 */
if (desired_handicap == 5 || desired_handicap == 7) {
add_stone(POS(mid, mid), BLACK);
remaining_stones--;
}
for (r = 0; r < remaining_stones; r++) {
int i = places[r][0];
int j = places[r][1];
/* Translate the encoded values to board co-ordinates. */
if (i == 2)
i = three; /* 2 or 3 */
else if (i == 0)
i = mid;
else if (i == -2)
i = board_size - 1 - three;
if (j == 2)
j = three;
else if (j == 0)
j = mid;
else if (j == -2)
j = board_size - 1 - three;
add_stone(POS(i, j), BLACK);
}
return handicap;
}
static int
find_free_handicap_pattern()
{
int k;
int highest_value = -1;
int sum_values = 0;
int r;
int anchor;
struct pattern *pattern;
int ll;
int move;
number_of_matches = 0;
matchpat(free_handicap_callback, BLACK, &handipat_db, NULL, NULL);
if (number_of_matches == 0)
return 0;
/* Find the highest value among the matched patterns. */
for (k = 0; k < number_of_matches; k++)
if (highest_value < handicap_matches[k].value)
highest_value = handicap_matches[k].value;
/* Replace the values by 2^(value - highest_value + 10) and compute
* the sum of these values. Fractional values are discarded.
*/
for (k = 0; k < number_of_matches; k++) {
if (handicap_matches[k].value < highest_value - 10)
handicap_matches[k].value = 0;
else
handicap_matches[k].value = 1 << (handicap_matches[k].value
- highest_value + 10);
sum_values += handicap_matches[k].value;
}
/* Pick a random number between 0 and sum_values. Don't bother with
* the fact that lower numbers will tend to be very slightly
* overrepresented.
*/
r = gg_rand() % sum_values;
/* Find the chosen pattern. */
for (k = 0; k < number_of_matches; k++) {
r -= handicap_matches[k].value;
if (r < 0)
break;
}
/* Place handicap stones according to pattern k. */
anchor = handicap_matches[k].anchor;
pattern = handicap_matches[k].pattern;
ll = handicap_matches[k].ll;
/* Pick up the location of the move */
move = AFFINE_TRANSFORM(pattern->move_offset, ll, anchor);
add_stone(move, BLACK);
remaining_handicap_stones--;
/* Add stones at all '!' in the pattern. */
for (k = 0; k < pattern->patlen; k++) {
if (pattern->patn[k].att == ATT_not) {
int pos = AFFINE_TRANSFORM(pattern->patn[k].offset, ll, anchor);
add_stone(pos, BLACK);
remaining_handicap_stones--;
}
}
return 1;
}
/*
* Sets up free placement handicap stones, returning the number of
* placed handicap stones and also setting the global variable
* handicap to the same value.
*/
int
place_free_handicap(int desired_handicap)
{
gg_assert(desired_handicap == 0 || desired_handicap >= 2);
if (desired_handicap == 0) {
handicap = 0;
return 0;
}
total_handicap_stones = desired_handicap;
remaining_handicap_stones = desired_handicap;
/* First place black stones in the four corners to enable the
* pattern matching scheme.
*/
add_stone(POS(0, 0), BLACK);
add_stone(POS(0, board_size - 1), BLACK);
add_stone(POS(board_size - 1, 0), BLACK);
add_stone(POS(board_size - 1, board_size - 1), BLACK);
/* Find and place free handicap stones by pattern matching. */
while (remaining_handicap_stones > 0) {
if (!find_free_handicap_pattern())
break;
}
/* Remove the artificial corner stones. */
remove_stone(POS(0, 0));
remove_stone(POS(0, board_size - 1));
remove_stone(POS(board_size - 1, 0));
remove_stone(POS(board_size - 1, board_size - 1));
/* Find and place additional free handicap stones by the aftermath
* algorithm.
*/
while (remaining_handicap_stones > 0) {
int move;
/* Call genmove_conservative() in order to prepare the engine for
* an aftermath_genmove() call. We discard the genmove result.
*/
genmove_conservative(BLACK, NULL);
move = aftermath_genmove(BLACK, 0, NULL);
if (move != PASS_MOVE) {
add_stone(move, BLACK);
remaining_handicap_stones--;
}
else
break;
}
/* Set handicap to the number of actually placed stones. */
handicap = desired_handicap - remaining_handicap_stones;
/* Reset these to invalid values, so that improper use of handicap
* helper functions can be detected.
*/
total_handicap_stones = -1;
remaining_handicap_stones = -1;
return handicap;
}
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);
}
static void
ascii_free_handicap(Gameinfo *gameinfo, char *handicap_string)
{
int handi;
int i;
char line[80];
int stones[MAX_BOARD*MAX_BOARD];
if (sscanf(handicap_string, "%d", &handi) == 1) {
/* GNU Go is to place handicap */
if (handi < 0 || handi == 1) {
printf("\nInvalid command syntax!\n");
return;
}
clear_board();
handi = place_free_handicap(handi);
printf("\nPlaced %d stones of free handicap.\n", handi);
}
else { /* User is to place handicap */
clear_board();
handi = 0;
while (1) {
ascii_showboard();
printf("\nType in coordinates of next handicap stone, or one of the following commands:\n");
printf(" undo take back the last stone placed\n");
printf(" clear remove all the stones placed so far\n");
printf(" done finish placing handicap\n\n");
printf("You have placed %d handicap stone(s) so far.\n\n", handi);
if (!fgets(line, 80, stdin))
return; /* EOF or some error */
for (i = 0; i < 80; i++)
line[i] = tolower((int) line[i]);
if (!strncmp(line, "undo", 4)) {
if (!handi)
printf("\nNothing to undo.\n");
else {
remove_stone(stones[--handi]);
gprintf("\nRemoved the stone at %m.\n", I(stones[handi]),
J(stones[handi]));
}
}
else if (!strncmp(line, "clear", 5)) {
clear_board();
handi = 0;
}
else if (!strncmp(line, "done", 4)) {
if (handi == 1) /* Don't bother with checks later */
printf("\nHandicap cannot be one stone. Either add "
"some more, or delete the only stone.\n");
else
break;
}
else {
int pos = string_to_location(board_size, line);
if (pos != NO_MOVE) {
if (board[pos] != EMPTY)
printf("\nThere's already a stone there.\n");
else {
add_stone(pos, BLACK);
stones[handi++] = pos;
}
}
else
printf("\nInvalid command: %s", line);
}
}
}
gameinfo->handicap = handi;
gameinfo->to_move = (handi ? WHITE : BLACK);
}
