/*
* This file is part of JGAP.
*
* JGAP offers a dual license model containing the LGPL as well as the MPL.
*
* For licensing information please see the file license.txt included with JGAP
* or have a look at the top of class org.jgap.Chromosome which representatively
* includes the JGAP license policy applicable for any file delivered with JGAP.
*/
package examples.gp.anttrail;
import org.jgap.*;
import org.jgap.gp.*;
import org.jgap.gp.impl.*;
/**
* Turn the ant left.
*
* @author Klaus Meffert
* @since 3.01
*/
public class Left
extends AntCommand implements IMutateable {
/** String containing the CVS revision. Read out via reflection!*/
private final static String CVS_REVISION = "$Revision: 1.4 $";
public Left(final GPConfiguration a_conf)
throws InvalidConfigurationException {
super(a_conf);
}
public CommandGene applyMutation(int index, double a_percentage)
throws InvalidConfigurationException {
Right mutant = new Right(getGPConfiguration());
return mutant;
}
public void execute_void(ProgramChromosome a_chrom, int a_n, Object[] a_args) {
AntMap map = getMap(a_chrom);
int orient = map.getOrientation();
switch (orient) {
case AntMap.O_DOWN:
orient = AntMap.O_RIGHT;
break;
case AntMap.O_LEFT:
orient = AntMap.O_DOWN;
break;
case AntMap.O_RIGHT:
orient = AntMap.O_UP;
break;
case AntMap.O_UP:
orient = AntMap.O_LEFT;
break;
}
map.setOrientation(orient);
map.IncrementMoveCounter();
}
public String toString() {
return "left";
}
}