package nl.tudelft.goal.ut2004.selector;
   
   import java.util.Collection;
   
   import cz.cuni.amis.pogamut.base.communication.worldview.object.IWorldObject;
   import cz.cuni.amis.pogamut.base3d.worldview.object.ILocated;
   import cz.cuni.amis.pogamut.unreal.communication.messages.UnrealId;
   import cz.cuni.amis.utils.NullCheck;
   
  /**
   * Select the player with the given unreal ID.
   * 
   * @author mpkorstanje
   * 
   */
  public class PlayerOrNavpoint extends ContextSelector {
  
  	protected final UnrealId id;
  
  	public PlayerOrNavpoint(UnrealId id) {
  		NullCheck.check(id, "id");
  		this.id = id;
  	}
  
  	@Override
  	public ILocated select(Collection<? extends ILocated> c) {
  		// We want to select something with the given id.
  		IWorldObject object = modules.getWorld().get(id);
  		if(object instanceof ILocated)
  			return (ILocated) object;
  		
  		return null;
  	}
  
  	/*
  	 * (non-Javadoc)
  	 * 
  	 * @see java.lang.Object#toString()
  	 */
  	@Override
  	public String toString() {
  		return "APlayer [id=" + id + "]";
  	}
  }