SkatProcessor.java

/**
 * Copyright (C) 2017 Jan Schäfer (jansch@users.sourceforge.net)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jskat.ai.mjl;

import org.jskat.util.CardList;
import org.jskat.util.Suit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Markus J. Luzius (markus@luzius.de)
 * 
 */
public class SkatProcessor {

	private static Logger log = LoggerFactory.getLogger(SkatProcessor.class);

	/**
	 * Processes the skat after the player has won the bidding.
	 * 
	 * @param cards
	 *            the player's hand
	 * @param skat
	 *            the skat
	 * @return suit to be played (0-3), grand (4), null (-1)
	 */
	public static Suit processSkat(final CardList cards, final CardList skat) {
		log.debug("My cards:" + cards + ", Skat=" + skat);
		// int cDiamonds = cards.getSuitCount(GameType.SUIT, Suit.DIAMONDS);
		// int cHearts = cards.getSuitCount(GameType.SUIT, Suit.HEARTS);
		// int cSpades = cards.getSuitCount(GameType.SUIT, Suit.SPADES);
		// int cClubs = cards.getSuitCount(GameType.SUIT, Suit.CLUBS);
		//
		// cDiamonds += skat.getSuitCount(GameType.SUIT, Suit.DIAMONDS);
		// cHearts += skat.getSuitCount(GameType.SUIT, Suit.HEARTS);
		// cSpades += skat.getSuitCount(GameType.SUIT, Suit.SPADES);
		// cClubs += skat.getSuitCount(GameType.SUIT, Suit.CLUBS);
		//
		// log.debug("C="+cClubs+", S="+cSpades+", H="+cHearts+", D="+cDiamonds);
		//
		// int diamonds = Helper.suitCardsToBinaryWithSkat(cards, skat,
		// Suit.DIAMONDS);
		// int hearts = Helper.suitCardsToBinaryWithSkat(cards, skat,
		// Suit.HEARTS);
		// int spades = Helper.suitCardsToBinaryWithSkat(cards, skat,
		// Suit.SPADES);
		// int clubs = Helper.suitCardsToBinaryWithSkat(cards, skat,
		// Suit.CLUBS);
		//
		// log.debug("C="+clubs+", S="+spades+", H="+hearts+", D="+diamonds);
		//
		// int possibleSkatSuits = 0;
		// if (cDiamonds > 0 && cDiamonds < 3 && (diamonds & 64) == 0)
		// possibleSkatSuits += 1;
		// if (cHearts > 0 && cHearts < 3 && (hearts & 64) == 0)
		// possibleSkatSuits += 2;
		// if (cSpades > 0 && cSpades < 3 && (spades & 64) == 0)
		// possibleSkatSuits += 4;
		// if (cClubs > 0 && cClubs < 3 && (clubs & 64) == 0) possibleSkatSuits
		// += 8;
		//
		// Card skatOne = skat.remove(0);
		// Card skatTwo = skat.remove(0);
		//
		// if (possibleSkatSuits > 0) {
		// Suit skatSuit = Helper.binaryToSuit(possibleSkatSuits);
		// if(skatSuit != null) {
		// // if more than one possible color: do nothing for the time being
		// // TODO: skat processing with more than one possible color
		// skat.add(skatOne);
		// skat.add(skatTwo);
		// }
		// else {
		// log.debug("Color for skat:"+skatSuit);
		// if(skatOne.getSuit() == skatSuit || cards.getSuitCount(GameType.SUIT,
		// skatSuit)<1) {
		// skat.add(skatOne);
		// } else {
		// skat.add(cards.remove(cards.getFirstIndexOfSuit(skatSuit)));
		// cards.add(skatOne);
		// }
		// if(skatTwo.getSuit()==skatSuit || cards.getSuitCount(GameType.SUIT,
		// skatSuit)<1) {
		// skat.add(skatTwo);
		// } else {
		// skat.add(cards.remove(cards.getFirstIndexOfSuit(skatSuit)));
		// cards.add(skatTwo);
		// }
		// }
		// } else {
		// // if more than one possible color: do nothing for the time being
		// // TODO: skat processing with more than one possible color
		// skat.add(skatOne);
		// skat.add(skatTwo);
		// }
		log.debug("Done - my cards:" + cards + ", Skat=" + skat);
		return cards.getMostFrequentSuit();
	}

	/**
	 * Decides, whether the AI player should look at the skat or rather play
	 * hand
	 * 
	 * @param cards
	 *            the player's hand
	 * @return true, if the player should look at the skat
	 */
	public static boolean lookAtSkat(final CardList cards) {
		return true;
	}
}