CreatureInfoComparator.java

package net.sf.colossus.client;


import java.io.Serializable;
import java.util.Comparator;

import net.sf.colossus.variant.CreatureType;


/** Sort creatures in decreasing order of importance, then by creature
 *  name, then by certainty. */
final class CreatureInfoComparator implements Comparator<CreatureInfo>,
    Serializable
{
    public int compare(CreatureInfo info1, CreatureInfo info2)
    {
        CreatureType creature1 = info1.getType();
        CreatureType creature2 = info2.getType();
        int diff = creature2.getKillValue() - creature1.getKillValue();
        if (diff != 0)
        {
            return diff;
        }
        diff = creature1.getName().compareTo(creature2.getName());
        if (diff != 0)
        {
            return diff;
        }
        if (info1.isCertain() && !info2.isCertain())
        {
            return -1;
        }
        if (info2.isCertain() && !info1.isCertain())
        {
            return 1;
        }
        return 0;
    }
}