Mineplex2018-withcommit/Plugins/Mineplex.Game.Clans/src/mineplex/game/clans/items/legendaries/WindBlade.java

package mineplex.game.clans.items.legendaries;

import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.util.Vector;

import mineplex.core.common.util.UtilEnt;
import mineplex.core.common.util.UtilMath;
import mineplex.core.common.util.UtilParticle;
import mineplex.core.common.util.UtilParticle.ParticleType;
import mineplex.core.common.util.UtilParticle.ViewDist;
import mineplex.core.common.util.UtilTextBottom;

public class WindBlade extends LegendaryItem
{
	public static final double FLIGHT_VELOCITY = 0.75d;
	public static final int MAX_FLIGHT_TIME = 80; // Max flight of 80 ticks
	
	private double _power;
	
	public WindBlade()
	{
		super("Wind Blade", "Activate flying ability to take flight for 80 ticks before landing!", Material.RECORD_8); // TODO:
																														// Configurable?
	}
	
	@Override
	public void update(Player wielder)
	{
		// Check if player is attempting to fly and activate
		if (isHoldingRightClick() && canPropel())
		{
			removePower(UtilEnt.isGrounded(wielder) ? 1.17 : .88);
			propelPlayer(wielder);
			UtilParticle.PlayParticle(ParticleType.MOB_SPELL, wielder.getLocation().add(0, 1, 0), 0, 0, 0, 0, 3, ViewDist.NORMAL);
		}
		
		if (UtilEnt.isGrounded(wielder))
		{
			addPower(0.33);
		}
		
		UtilTextBottom.displayProgress(UtilMath.clamp(_power, .0, 80.) / 80., wielder);
	}
	
	private void propelPlayer(Player player)
	{
		Vector direction = player.getLocation().getDirection().normalize();
		direction.multiply(FLIGHT_VELOCITY);
		
		player.setVelocity(direction);
		player.setFallDistance(0f);
	}
	
	private boolean canPropel()
	{
		return _power > 0;
	}
	
	private void addPower(double power)
	{
		_power = UtilMath.clamp(_power + power, -20, 80);
	}
	
	private void removePower(double power)
	{
		_power = UtilMath.clamp(_power - power, -20, 80);
	}
}