public void setMultiplier(){
    	int attackerLevel = attacker.getLevel();
    	int defenderLevel = defender.getLevel();
    	int levelDifference = Math.abs( attackerLevel - defenderLevel);
    	boolean attackerIsGreater = (attackerLevel > defenderLevel);

		switch(levelDifference) {
			case 5:
				if (attackerIsGreater) {
					attackerMultiplier = 1.3;
				} else {
					attackerMultiplier = 0.7;
				}
				break;
			case 4:
				if (attackerIsGreater) {
					attackerMultiplier = 1.2;
				} else {
					attackerMultiplier = 0.8;
				}
				break;
			case 3:
				if (attackerIsGreater) {
					attackerMultiplier = 1.1;
				} else {
					attackerMultiplier = 0.9;
				}
				break;
			default:
				attackerMultiplier = 1.0;
		}

    	defenderMultiplier = 2.0 - attackerMultiplier;
    }