content: package com.group_finity.mascot.action;
  
  import com.group_finity.mascot.Main;
  import java.awt.Point;
  import java.util.List;
  import java.util.logging.Logger;
  
  import com.group_finity.mascot.animation.Animation;
  import com.group_finity.mascot.environment.Area;
  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 ThrowIE extends Animate {
  
  	private static final Logger log = Logger.getLogger(ThrowIE.class.getName());
  
  	public static final String PARAMETER_INITIALVX = "InitialVX";
  
  	private static final int DEFAULT_INITIALVX = 32;
  
  	public static final String PARAMETER_INITIALVY = "InitialVY";
  
  	private static final int DEFAULT_INITIALVY = -10;
  
  	public static final String PARAMETER_GRAVITY = "Gravity";
  
  	private static final double DEFAULT_GRAVITY = 0.5;
  
  	public ThrowIE(final List<Animation> animations, final VariableMap params) {
  		super(animations, params);
  
  	}
  
  	@Override
  	public boolean hasNext() throws VariableException {
  
              if( !Boolean.parseBoolean( Main.getInstance( ).getProperties( ).getProperty( "Throwing", "true" ) ) )
                  return false;
              
  		final boolean ieVisible = getEnvironment().getActiveIE().isVisible();
  
  		return super.hasNext() && ieVisible;
  	}
  
  	@Override
  	protected void tick() throws LostGroundException, VariableException {
  
  		super.tick();
  
  		final Area activeIE = getEnvironment().getActiveIE();
  
  		if (activeIE.isVisible()) {
  			if (getMascot().isLookRight()) {
  				getEnvironment().moveActiveIE(new Point(activeIE.getLeft() + getInitialVx(), activeIE.getTop()
  						+ getInitialVy() + (int) (getTime() * getGravity())));
  			} else {
  				getEnvironment().moveActiveIE(new Point(activeIE.getLeft() - getInitialVx(), activeIE.getTop()
  						+ getInitialVy() + (int) (getTime() * getGravity())));
  			}
  		}
  
  	}
  
  	private double getGravity() throws VariableException {
  		return eval(PARAMETER_GRAVITY, Number.class, DEFAULT_GRAVITY).doubleValue();
  	}
  
  	private int getInitialVy() throws VariableException {
  		return eval(PARAMETER_INITIALVY, Number.class, DEFAULT_INITIALVY).intValue();
  	}
  
  	private int getInitialVx() throws VariableException {
  		return eval(PARAMETER_INITIALVX, Number.class, DEFAULT_INITIALVX).intValue();
  	}
  }
  