/**
* Evaluate a potential cashin mission for a given unit and path.
*
* @param aiUnit The <code>AIUnit</code> to do the mission.
* @param path A <code>PathNode</code> to take to the target.
* @return A score for the proposed mission.
*/
public static int scorePath(AIUnit aiUnit, PathNode path) {
Location loc;
if (path == null
|| (loc = extractTarget(aiUnit, path)) == null
|| (loc instanceof Colony && invalidFullColonyReason(aiUnit, loc.getColony()) != null))
return Integer.MIN_VALUE;
return aiUnit.getUnit().getTreasureAmount() / (path.getTotalTurns() + 1);
}
/**
* Extract a valid target for this mission from a path.
*
* @param aiUnit A <code>AIUnit</code> to perform the mission.
* @param path A <code>PathNode</code> to extract a target from, (uses the unit location if null).
* @return A target for this mission, or null if none found.
*/
public static Location extractTarget(AIUnit aiUnit, PathNode path) {
if (path == null) return null;
final Location loc = path.getLastNode().getLocation();
Colony colony = loc.getColony();
return (loc instanceof Europe && invalidReason(aiUnit, loc) == null)
? loc
: (colony != null && invalidReason(aiUnit, colony) == null) ? colony : null;
}