Entity.java

import java.util.ArrayList;
import java.util.List;
import javax.swing.ImageIcon;

public class Entity {
	private String name;
	private int maxHealth;
	private int element;
	/* -1 - No Element  
	0 - Fire
	1 - Water
	2 - Electricity
	3 - Wood */
	private List<Attack> attacks;
	private ImageIcon defaultPose;
	private ImageIcon attackPose;
	private static final ImageIcon TEMP_DEFAULT_POSE = new ImageIcon("Sprites//Temp_Sprite_Default.png");
	private static final ImageIcon TEMP_ATTACK_POSE = new ImageIcon("Sprites//Temp_Sprite_Attack.png");

	// Constants
	public static final int FIRE = 0;
	public static final int WATER = 1;
	public static final int ELECTRICITY = 2;
	public static final int WOOD = 3;
	
	// Constructors
	public Entity(String name, int maxHealth, int element) {
		this(name, maxHealth, element, new ArrayList<>());
	}
	public Entity(String name, int maxHealth, int element, List<Attack> attacks) {
		this(name, maxHealth, element, attacks, TEMP_DEFAULT_POSE, TEMP_ATTACK_POSE);
	}
	public Entity(String name, int maxHealth, int element, List<Attack> attacks, ImageIcon defaultPose, ImageIcon attackPose) {
		this.name = name;
		this.maxHealth = maxHealth;
		this.element = element;
		this.attacks = attacks;
		this.defaultPose = defaultPose;
		this.attackPose = attackPose;
	}

	/* Returns a random attack from the enemy's attack list. */
	public Attack attack() {
		return attacks.get(roll(0, attacks.size() - 1));
	}

	/* Adds the specified attack to the attack list.
	 * Returns 0 if successful, -1 if attack is already in the list. */
	public int addAttack(Attack attack) {
		if (attacks == null)
			attacks = new ArrayList<>();
		if (attacks.contains(attack))
			return -1;
		attacks.add(attack);
		return 0;
	}
	
	// Simulates rolling a die.
	protected int roll(int min, int max) {
		return (int) (Math.random() * (max - min + 1) + min);
	}

	// Getters/Setters
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getMaxHealth() {
		return maxHealth;
	}
	public void setMaxHealth(int maxHealth) {
		this.maxHealth = maxHealth;
	}
	public int getElement() {
		return element;
	}
	public void setElement(int element) {
		this.element = element;
	}
	public List<Attack> getAttacks() {
		return attacks;
	}
	public void setAttacks(List<Attack> attacks) {
		this.attacks = attacks;
	}
	public ImageIcon getDefaultPose() {
		return defaultPose;
	}
	public void setDefaultPose(ImageIcon defaultPose) {
		this.defaultPose = defaultPose;
	}
	public ImageIcon getAttackPose() {
		return attackPose;
	}
	public void setAttackPose(ImageIcon attackPose) {
		this.attackPose = attackPose;
	}

	// toString
	@Override
	public String toString() {
		return "Entity [name=" + name + ", maxHealth=" + maxHealth + ", element=" + element + ", attacks=" + attacks
				+ ", defaultPose=" + defaultPose + ", attackPose=" + attackPose + "]";
	}
}