wyvern.kernel.maps
Class TopFinder.LayerVisitor

java.lang.Object
  wyvern.kernel.maps.TopFinder.LayerVisitor

All Implemented Interfaces:

Visitor

Enclosing class:

TopFinder

protected static class TopFinder.LayerVisitor

extends java.lang.Object

implements Visitor

Used to visit every object at a map location and keep an ordered list of what it sees.

Constructor Summary

TopFinder.LayerVisitor(Predicate p)
Constructs a new LayerVisitor with a predicate used to filter the visited objects.

Method Summary

GameObject	getObject() Returns the topmost object we found.
void	visit(GameObject obj) Remember one object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TopFinder.LayerVisitor

public TopFinder.LayerVisitor(Predicate p)

Constructs a new LayerVisitor with a predicate used to filter the visited objects.

Method Detail

visit

public void visit(GameObject obj)

Remember one object.

Specified by:

visit in interface Visitor

Parameters:

obj - a GameObject

getObject

public GameObject getObject()

Returns the topmost object we found.

Returns:

the top object in the cell, or null if there were no objects in the cell (i.e. only default terrain)