Pokemon Game Example

Pokemon.java

package nl.delphinity.pokemon.model.general;

import nl.delphinity.pokemon.model.battle.Attack;
import nl.delphinity.pokemon.model.trainer.Trainer;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public class Pokemon {

    private final int maxPP;
    private Random randomGenerator;
    private final int currentPP;
    private final Random r = new Random();
    private PokemonData pokedata;
    private Trainer owner;
    private int currentHp;
    private int maxHp;
    private int level;
    private int xpToNext;
    private int currentXp;

    public Pokemon(PokemonData pokedata) {
        this.pokedata = pokedata;
        this.currentHp = pokedata.maxHp;
        this.maxHp = pokedata.maxHp;
        this.currentPP = pokedata.maxPp;
        this.maxPP = pokedata.maxPp;
        this.level = 5;
        this.xpToNext = 8;
        this.currentXp = 0;
    }

    public PokemonData getPokedata() {
        return pokedata;
    }

    public int getCurrentHp() {
        return currentHp;
    }

    public void setCurrentHp(int currentHp) {
        this.currentHp = currentHp;
    }

    public void setCurrentXp(int currentXp) {
        this.currentXp = currentXp;
    }

    public int getLevel() {
        return level;
    }

    public void setLevel(int level) {
        this.level = level;
    }

    public Trainer getOwner() {
        return owner;
    }

    public void setOwner(Trainer owner) {
        this.owner = owner;
    }

    public int getMaxHp() {
        return maxHp;
    }

    public void setMaxHp(int maxHp) {
        this.maxHp = maxHp;
    }

    private int getXpToNext() {
        return xpToNext;
    }

    public List<Attack> getAttacks() {
        List<Attack> attacks = new ArrayList<>();
        attacks.addAll(pokedata.specificAttacks);
        attacks.addAll(pokedata.pokemonType.typeAttacks);
        return attacks;
    }

    //TODO: US-PKM-O-4E
    private void evolve() {
        try
        {
            Thread.sleep(3000);
        }
        catch(InterruptedException ex)
        {
            Thread.currentThread().interrupt();
        }
        this.pokedata = pokedata.evolvesIn;
    }

    //TODO: US-PKM-O-4D
    public void gainXp(int amount) {
        if (amount + owner.getActivePokemon().currentXp >= xpToNext) {
            levelUp();
            int remainingXp = (owner.getActivePokemon().currentXp + amount) - xpToNext;
            gainXp(remainingXp);
        } else {
            owner.getActivePokemon().currentXp = owner.getActivePokemon().currentXp + amount;
            status();
        }
    }

    //TODO: US-PKM-O-4C
    private void levelUp() {
        //US-PKM-O-4C: Pokemon should be able to level up
        Random ran = new Random();
        int hpIncrease = ran.nextInt(maxHp);
        Pokemon activePokemon = owner.getActivePokemon();
        activePokemon.setCurrentHp(maxHp + hpIncrease);
        xpToNext = xpToNext * 2;
        currentXp = 0;
        evolveCheck();
        activePokemon.level++;
    }

    //TODO: US-PKM-O-4E
    private boolean evolveCheck() {
        if (pokedata.evolvesIn != null && level >= pokedata.evolutionLevel) {
            evolve();
            return true;
        } else {
            return false;
        }
    }

    //TODO: US-PKM-O-4
    public void attack(Pokemon otherPokemon, Attack attack) {
        //As a Pokemon trainer I want my Pokemon to be able to attack
        attack.getPower();

        if (otherPokemon.getCurrentHp() - attack.getPower() < 0) {
            otherPokemon.setCurrentHp(0);
        }
        else {
            otherPokemon.setCurrentHp(currentHp = otherPokemon.getCurrentHp() - attack.getPower());
        }
    }

    //TODO: US-PKM-O-4B
    public Attack getRandomAttack() {
        List<Attack> attacks = new ArrayList<>();
        attacks.addAll(pokedata.specificAttacks);
        attacks.addAll(pokedata.pokemonType.typeAttacks);
        int index = randomGenerator.nextInt(attacks.size());
        return attacks.get(index);
    }

    public double getHpPercentage() {
        return currentHp / maxHp * 100;
    }

    public void status() {
        System.out.println("----------------");
        System.out.println(this.getPokedata().name());
        System.out.println("LVL " + this.level);
        System.out.println("HP " + this.currentHp + "/" + this.maxHp);
        System.out.println("PP" + this.currentPP + "/" + this.maxPP);
        System.out.println("XP " + this.currentXp + "/" + this.xpToNext);
    }

    //TODO: US-PKM-O-5
    public boolean isKnockout() {
        if (currentHp <= 0) {
            return true;
        } else {
            return false;
        }
    }
}