package shootergame.entity;

import java.util.Random;

import shootergame.Main;
import shootergame.init.Textures;
import shootergame.util.math.random.OpenSimplexNoise;
import shootergame.world.chunk.Chunk;
import shootergame.world.layer.Layer;

public class EntityZombie extends EntityVertical implements EntityAlive
{
	private Random rand;
	private OpenSimplexNoise noise;
	private double time;
	private double health_max = 100;
	private double health = health_max;

	public EntityZombie() {
		super(Textures.ENTITY_ZOMBIE, 1);
		rand = new Random();
		noise = new OpenSimplexNoise(rand.nextLong());
		time = 0;
		
		// Set some settings
		hitbox = 0.5;
		isSolid = true;
	}
	
	@Override
	public void tick(Chunk chunk, Layer layer) {
		super.tick(chunk, layer);
		
		double angle = Math.atan2(pos.x - Main.player.pos.x, pos.y - Main.player.pos.y);
		
		this.angle = Math.toDegrees(angle) + 180;
		this.angle += noise.eval(time, 0)*60;
		time += 0.001;
		
		this.moveForward(0.05);
	}
	
	@Override
	public void addHealth(double amount) {
		health += amount;
	}

	@Override
	public void removeHealth(double amount) {
		health -= amount;
	}

	@Override
	public double getHealth() {
		return health;
	}

	@Override
	public void resetHealth() {
		health = health_max;
	}

	@Override
	public void clearHealth() {
		health = 0;
	}

	@Override
	public double maxHealth() {
		return health_max;
	}

	@Override
	public void setHealth(double health) {
		this.health = health;
	}

}