package SimFrameWork;
import java.util.List;
import java.util.ArrayList;

public abstract class Patch{
  public Patch(){
    neighbours=new Patch[8];
    turtles=new ArrayList();
  }
  public abstract void update();
  public final void addTurtle(Turtle t){
    turtles.add(t);
  }
  public final int turtleCount(){
    return turtles.size();
  }
  public final void removeTurtle(Turtle t){
    turtles.remove(t);
  }
  public final List getTurtles(){
    return turtles;
  }
  public final Patch getNeighbour(int i){
    return neighbours[i];
  }
  public int value(){
    return patchValue;
  }
  public void incrValue(){
    patchValue+=1;
  }
  public void decrValue(){
    patchValue-=1;
  }
  protected final void setNeighbour(int nbour,Patch p){
    neighbours[nbour]=p;
  }
  public final static int N=0;
  public final static int NE=1;
  public final static int E=2;
  public final static int SE=3;
  public final static int S=4;
  public final static int SW=5;
  public final static int W=6;
  public final static int NW=7;
  protected int patchValue;
  private Patch[] neighbours;
  private List turtles;
}