super(0, params, width, height, false);
this.rand = new Random();
this.generator = new PolytrisStoneGenerator(rand);
this.level = params.getParValueInt("Polytris.Level");
this.evaluations.add(new EvaluateCanyons());
this.evaluations.add(new EvaluateGaps());
this.evaluations.add(new EvaluateHeight());
this.stoneEvaluation = new EvaluateStone();
// Bombs.