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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
* This is GNU Go, a Go program. Contact gnugo@gnu.org, or see *
* http://www.gnu.org/software/gnugo/ for more information. *
* *
* Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, *
* 2008 and 2009 by the Free Software Foundation. *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation - version 3 or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License in file COPYING for more details. *
* *
* You should have received a copy of the GNU General Public *
* License along with this program; if not, write to the Free *
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
* Boston, MA 02111, USA. *
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "gnugo.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "interface.h"
#include "sgftree.h"
#include "gg_utils.h"
#include "liberty.h"
static void replay_node(SGFNode *node, int color_to_test, float *replay_score,
float *total_score);
/* --------------------------------------------------------------*/
/* replay a game */
/* --------------------------------------------------------------*/
void
play_replay(SGFTree *tree, int color_to_replay)
{
char *tmpc = NULL;
float replay_score = 0.0;
float total_score = 0.0;
SGFNode *node = tree->root;
/* Board size and komi are already set up correctly since the game
* has already been loaded before this function is called. Now we
* only have to clear the board before starting over.
*/
clear_board();
if (!quiet) {
printf("Board Size: %d\n", board_size);
if (sgfGetCharProperty(node, "HA", &tmpc))
printf("Handicap: %s\n", tmpc);
printf("Komi: %.1f\n", komi);
if (sgfGetCharProperty(node, "RU", &tmpc))
printf("Ruleset: %s\n", tmpc);
if (sgfGetCharProperty(node, "GN", &tmpc))
printf("Game Name: %s\n", tmpc);
if (sgfGetCharProperty(node, "DT", &tmpc))
printf("Game Date: %s\n", tmpc);
if (sgfGetCharProperty(node, "GC", &tmpc))
printf("Game Comment: %s\n", tmpc);
if (sgfGetCharProperty(node, "US", &tmpc))
printf("Game User: %s\n", tmpc);
if (sgfGetCharProperty(node, "PB", &tmpc))
printf("Black Player: %s\n", tmpc);
if (sgfGetCharProperty(node, "PW", &tmpc))
printf("White Player: %s\n", tmpc);
if (sgfGetCharProperty(node, "RE", &tmpc))
printf("Result: %s\n", tmpc);
}
/*
* Now actually run through the file. This is the interesting part.
* We need to traverse the SGF tree, and every time we encounter a node
* we need to check what move GNU Go would make, and see if it is OK.
*/
while (node) {
replay_node(node, color_to_replay, &replay_score, &total_score);
sgffile_output(tree);
node = node->child;
}
if (!quiet)
printf("Global score: %.2f / %.2f\n", replay_score, total_score);
if (showtime) {
gprintf("SLOWEST MOVE: %d at %1m ", slowest_movenum, slowest_move);
fprintf(stderr, "(%.2f seconds)\n", slowest_time);
fprintf(stderr, "AVERAGE TIME: %.2f seconds per move\n",
total_time / movenum);
fprintf(stderr, "TOTAL TIME: %.2f seconds\n",
total_time);
}
}
#define BUFSIZE 128
/*
* Handle this node.
*/
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);
}
/*
* Local Variables:
* tab-width: 8
* c-basic-offset: 2
* End:
*/
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