RockPaperCisorScenario.java

package model.rockpapercisor;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import model.Board;
import model.Entity;
import model.EntityFactory;
import model.Model;
import model.Scenario;
import model.Square;
import util.Position;

public class RockPaperCisorScenario extends Scenario implements Model{
    public RockPaperCisorScenario(int columns, int rows, Map<EntityFactory, Integer> initialMap) {
        super(columns, rows, initialMap);
    }

    public List<Position> updateToNextGeneration() {
        ArrayList<Position> changedPositions = new ArrayList<>();
        Iterator<Square> iterator = getMatrix().iterator();
        while (iterator.hasNext()) {
          Square s = iterator.next();
          if (s.isEmpty())
            continue;
          if (s.getMaxAge() == 0) {
            s.incrementAllAges();
            continue;
          }
          if(s.getMaxAge()>stepNumber()+1){
            continue;
          }
          List<Entity> entities = new ArrayList<>(s.getEntities());
          for (Entity e : entities) {
            e.incrementAge();
            changedPositions.addAll(e.nextTurn(this));
          }
        }
        
        // Increment the step counter
        this.step = this.step + 1;
        System.out.println("-----------");
        return changedPositions;
      }

    @Override
    public Board<Square> getBoard() {
        return this;
    }
}