// Copyright by Barry G. Becker, 2012. Licensed under MIT License: http://www.opensource.org/licenses/MIT
package com.barrybecker4.game.twoplayer.go.options;
import com.barrybecker4.game.twoplayer.common.TwoPlayerPlayerOptions;
import com.barrybecker4.game.twoplayer.common.search.options.BestMovesSearchOptions;
import com.barrybecker4.game.twoplayer.common.search.options.BruteSearchOptions;
import com.barrybecker4.game.twoplayer.common.search.options.MonteCarloSearchOptions;
import com.barrybecker4.game.twoplayer.common.search.options.SearchOptions;
import com.barrybecker4.game.twoplayer.common.search.strategy.SearchStrategyType;
import java.awt.*;
/**
* @author Barry Becker
*/
public class GoPlayerOptions extends TwoPlayerPlayerOptions {
/** initial look ahead factor. */
private static final int DEFAULT_LOOK_AHEAD =4;
/** for any given ply never consider less than this of the top moves. */
private static final int DEFAULT_PERCENT_LESS_THAN_BEST_THRESH = 0;
/** for any given ply never consider more than BEST_PERCENTAGE of the top moves. Not used for go */
private static final int DEFAULT_PERCENTAGE_BEST_MOVES = 60;
/** for any given ply never consider less than this many moves. */
private static final int DEFAULT_MIN_BEST_MOVES = 6;
/** Constructor */
public GoPlayerOptions(String name, Color color) {
super(name, color);
}
/** Constructor */
public GoPlayerOptions(String name, SearchOptions searchOptions) {
super(name, null, searchOptions);
}
@Override
protected SearchOptions createDefaultSearchOptions() {
SearchOptions opts = new SearchOptions(new BruteSearchOptions(DEFAULT_LOOK_AHEAD, 16),
new BestMovesSearchOptions(DEFAULT_PERCENTAGE_BEST_MOVES,
DEFAULT_MIN_BEST_MOVES,
DEFAULT_PERCENT_LESS_THAN_BEST_THRESH),
new MonteCarloSearchOptions(200, 0.9, 10));
opts.setSearchStrategyMethod(SearchStrategyType.NEGASCOUT);
opts.getBruteSearchOptions().setQuiescence(true);
return opts;
}
}