super-snuvi/src/me/hammerle/supersnuvi/entity/components/DefaultHealth.java

package me.hammerle.supersnuvi.entity.components;

import me.hammerle.supersnuvi.Game;
import me.hammerle.supersnuvi.entity.Entity;
import me.hammerle.supersnuvi.tiles.Tile;
import me.hammerle.supersnuvi.util.SoundUtils;
import me.hammerle.supersnuvi.util.SoundUtils.Sound;

public class DefaultHealth extends Health
{
    private final float maxHealth;
    private float health;
    
    private int hurtTicks = 0;
    private int invincibility = 0;
    
    private final IDeath death;
    
    private final Sound soundHeal;
    private final Sound soundHurt;
    private final Sound soundDeath;
    
    public DefaultHealth(Entity ent, IDeath death, float maxHealth, 
            Sound soundHeal, Sound soundHurt, Sound soundDeath) 
    {
        super(ent);
        this.death = death;
        this.maxHealth = maxHealth;
        this.health = maxHealth;
        this.soundHeal = soundHeal;
        this.soundHurt = soundHurt;
        this.soundDeath = soundDeath;
    }

    @Override
    public void tick() 
    {
        if(invincibility > 0)
        {
            invincibility--;
        }
        
        if(hurtTicks > 0)
        {
            hurtTicks--;
        }
        else if(hurtTicks < 0)
        {
            hurtTicks++;
        }
        
        if(shouldDespawn())
        {
            death.onDeath(ent);
        }
    }

    @Override
    public boolean isDead() 
    {
        return health <= 0.0f;
    }
    
    @Override
    public boolean shouldDespawn() 
    {
        return (isDead() && !ent.isAnimated()) || (ent.getY() > ent.getLevel().getHeight() * Tile.SIZE);
    }
    
    @Override
    public boolean wasHurt() 
    {
        return hurtTicks > 0;
    }

    @Override
    public boolean wasHealed() 
    {
        return hurtTicks < 0;
    }

    @Override
    public float getMaxHealth() 
    {
        return maxHealth;
    }

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

    @Override
    public void addHealth(float h) 
    {
        if(h < 0)
        {
            if(invincibility > 0)
            {
                return;
            }
            invincibility = Game.getTicksForMillis(1000);
            hurtTicks = Game.getTicksForMillis(500);
            SoundUtils.playSound(soundHurt);
        }
        else
        {
            hurtTicks = -Game.getTicksForMillis(250);
            SoundUtils.playSound(soundHeal);
        }
        health += h;
        if(health > maxHealth)
        {
            health = maxHealth;
        }
        else if(health < 0.0f)
        {
            health = 0.0f;
            SoundUtils.playSound(soundDeath);
        }
    }
}