public class AttackSpeed extends AttackSpeedSkill {
	public static final String[] NAME = new String[] { "atkSpeedI", "atkSpeedII", "atkSpeedIII", "atkSpeedIV" };
	public static final Item[] ICON = new Item[] { Items.WOODEN_SWORD, Items.STONE_SWORD, Items.IRON_SWORD, Items.DIAMOND_SWORD};

	public static final SkillAttributeModifier[] MODIFIERS = new SkillAttributeModifier[4];

	protected static int TIER;

	protected final int tier;
	
	public AttackSpeed() {
		super(NAME[(TIER = TIER >= NAME.length ? 0 : TIER)], ICON[TIER]);
		this.tier = TIER;
		this.addRequirement(new SkillPointRequirement(tier));

		MODIFIERS[TIER] = new SkillAttributeModifier("attackSkill." + NAME[TIER], 1, 0);

		TIER++;
	}
	
	@Override
	public SkillAttributeModifier getModifier(EntityLivingBase entity, SkillBase skill) {
		if (skill instanceof AttackSpeed)
			return MODIFIERS[((AttackSpeed) skill).getTier()];
		return null;
	}

	public int getTier() {
		return this.tier;
	}
	
	@Override
	public List<ISkillRequirment> getRequirments(EntityLivingBase entity, boolean hasSkill) {
		return Collections.singletonList(new LevelRequirement(3+tier*3));
	}
	
}

public class AttackSkillPage extends SkillPageBase {

	private DoubleDamage doubleDamage;
	private ExtraDamage extraDamage;
	private ExtraDamage extraDamage1;
	private ExtraDamage extraDamage2;
	private ExtraDamage extraDamage3;
	private ExtraDamage extraDamage4;
	private ExtraDamage extraDamage5;
	private AttackSpeed attackSpeed;
	private AttackSpeed attackSpeed1;
	private AttackSpeed attackSpeed2;
	private AttackSpeed attackSpeed3;

	private SwordProficiency swordProficiency;
	private AxeProficiency axeProficiency;

	public AttackSkillPage() {
		super("AttackPage");
	}

	@Override
	public void registerSkills() {
		extraDamage = new ExtraDamage();
		extraDamage1 = (ExtraDamage) new ExtraDamage().setParent(extraDamage);
		extraDamage2 = (ExtraDamage) new ExtraDamage().setParent(extraDamage1);
		extraDamage3 = (ExtraDamage) new ExtraDamage().setParent(extraDamage2);
		extraDamage4 = (ExtraDamage) new ExtraDamage().setParent(extraDamage3);
		extraDamage5 = (ExtraDamage) new ExtraDamage().setParent(extraDamage4);
		doubleDamage = (DoubleDamage) new DoubleDamage().setParent(extraDamage4);
		attackSpeed = new AttackSpeed();
		attackSpeed1 = (AttackSpeed) new AttackSpeed().setParent(attackSpeed);
		attackSpeed2 = (AttackSpeed) new AttackSpeed().setParent(attackSpeed1);
		attackSpeed3 = (AttackSpeed) new AttackSpeed().setParent(attackSpeed2);

		swordProficiency = new SwordProficiency();
		axeProficiency = new AxeProficiency();
	}

	@Override
	public void loadPage() {
		addSkill(extraDamage, 0, 0);
		addSkill(extraDamage1, 1, 0);
		addSkill(extraDamage2, 2, 0);
		addSkill(extraDamage3, 3, 0);
		addSkill(extraDamage4, 4, 0);
		addSkill(extraDamage5, 5, 0);
		addSkill(doubleDamage, 5, 1);
		
		addSkill(attackSpeed, 0, 2);
		addSkill(attackSpeed1, 1, 2);
		addSkill(attackSpeed2, 2, 2);
		addSkill(attackSpeed3, 3, 2);

		addSkill(swordProficiency, 0, 5);
		addSkill(axeProficiency, 1, 5);
	}

	@Override
	public BackgroundType getBackgroundType() {
		return BackgroundType.NETHERRACK;
	}

}