public double bonusAttaque(Territoire from, Territoire to) {
		double bonus = 0.0;
			
		if (from != null && from.has(SalleInfo.class)) {
			Iterator<Territoire> it = territoiresOccupes.iterator();
			
			while (it.hasNext()) {
				if (it.next().has(SalleInfo.class)) {
					bonus++;
				}
			}
		}
		
		return bonus;
	}