JudgeClick.java

package tv.dyndns.kishibe.qmaclone.client.game.judge;

import java.util.logging.Level;
import java.util.logging.Logger;

import tv.dyndns.kishibe.qmaclone.client.game.left.AnswerPopup;
import tv.dyndns.kishibe.qmaclone.client.geom.Point;
import tv.dyndns.kishibe.qmaclone.client.geom.Polygon;
import tv.dyndns.kishibe.qmaclone.client.geom.PolygonException;
import tv.dyndns.kishibe.qmaclone.client.packet.PacketProblem;

import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSet;

public class JudgeClick implements Judge {

  private static final Logger logger = Logger.getLogger(JudgeClick.class.toString());

  private static final ImmutableSet<String> INVALID_ANSWER = ImmutableSet.of(
      AnswerPopup.LABEL_ANSWERED, AnswerPopup.LABEL_NO_ANSWER, AnswerPopup.LABEL_TIME_UP);

  @Override
  public boolean judge(PacketProblem problem, String playerAnswer) {
    if (Strings.isNullOrEmpty(playerAnswer) || INVALID_ANSWER.contains(playerAnswer)) {
      return false;
    }

    Point point = Point.fromString(playerAnswer);

    // 無回答の場合に画面表示でエラーが発生するバグへの対処
    // BugTrack-QMAClone/382 - QMAClone wiki
    // http://kishibe.dyndns.tv/qmaclone/wiki/wiki.cgi?page=BugTrack%2DQMAClone%2F382
    if (point == null) {
      return false;
    }

    for (String answer : problem.getShuffledAnswerList()) {
      Polygon polygon;
      try {
        polygon = Preconditions.checkNotNull(Polygon.fromString(answer));
      } catch (PolygonException e) {
        logger.log(Level.WARNING, "ポリゴンデータが不正です", e);
        continue;
      }

      if (polygon.contains(point)) {
        return true;
      }
    }

    return false;
  }
}