content: package com.group_finity.mascot.action;
  
  import java.awt.Point;
  import java.util.List;
  import java.util.logging.Level;
  import java.util.logging.Logger;
  
  import com.group_finity.mascot.animation.Animation;
  import com.group_finity.mascot.exception.LostGroundException;
  import com.group_finity.mascot.exception.VariableException;
  import com.group_finity.mascot.script.VariableMap;
  
  /**
   * Original Author: Yuki Yamada of Group Finity (http://www.group-finity.com/Shimeji/)
   * Currently developed by Shimeji-ee Group.
   */
  public class Move extends BorderedAction {
  
  	private static final Logger log = Logger.getLogger(Move.class.getName());
  
  	private static final String PARAMETER_TARGETX = "TargetX";
  
  	private static final int DEFAULT_TARGETX = Integer.MAX_VALUE;
  
  	private static final String PARAMETER_TARGETY = "TargetY";
  
  	private static final int DEFAULT_TARGETY = Integer.MAX_VALUE;
          
  	public Move(final List<Animation> animations, final VariableMap params) {
  		super(animations, params);
  	}
  
  	@Override
  	public boolean hasNext() throws VariableException {
  
  		final int targetX = getTargetX();
  		final int targetY = getTargetY();
  
  		boolean noMoveX = false;
  		boolean noMoveY = false;
  
  		if (targetX != Integer.MIN_VALUE) {
  			if (getMascot().getAnchor().x == targetX) {
  				noMoveX = true;
  			}
  		}
  
  		if (targetY != Integer.MIN_VALUE) {
  			if (getMascot().getAnchor().y == targetY) {
  				noMoveY = true;
  			}
  		}
  
  		return super.hasNext() && !noMoveX && !noMoveY;
  	}
  
  	@Override
  	protected void tick() throws LostGroundException, VariableException {
  
  		super.tick();
  
  		if ((getBorder() != null) && !getBorder().isOn(getMascot().getAnchor())) {
  			log.log(Level.INFO, "Lost Ground ({0},{1})", new Object[] { getMascot(), this });
  			throw new LostGroundException();
  		}
  
  		int targetX = getTargetX();
  		int targetY = getTargetY();
  
  		boolean down = false;
  
  		if (targetX != DEFAULT_TARGETX) {
  			if (getMascot().getAnchor().x != targetX) {
                              	getMascot().setLookRight(getMascot().getAnchor().x < targetX);
  			}
  		}
  		if (targetY != DEFAULT_TARGETY) {
  			down = getMascot().getAnchor().y < targetY;
  		}
  
  		getAnimation().next(getMascot(), getTime());
  
  		if (targetX != DEFAULT_TARGETX) {
  			if ((getMascot().isLookRight() && (getMascot().getAnchor().x >= targetX))
  					|| (!getMascot().isLookRight() && (getMascot().getAnchor().x <= targetX))) {
  				getMascot().setAnchor(new Point(targetX, getMascot().getAnchor().y));
  			}
  		}
  		if (targetY != DEFAULT_TARGETY) {
  			if ((down && (getMascot().getAnchor().y >= targetY)) ||
  					(!down && (getMascot().getAnchor().y <= targetY))) {
  				getMascot().setAnchor(new Point(getMascot().getAnchor().x, targetY));
  			}
  		}
  
  	}
  
  	private int getTargetY() throws VariableException {
  		return eval(PARAMETER_TARGETY, Number.class, DEFAULT_TARGETY).intValue();
  	}
  
  	private int getTargetX() throws VariableException {
  		return eval(PARAMETER_TARGETX, Number.class, DEFAULT_TARGETX).intValue();
  	}
  
  }
  