Unity制作类宝可梦回合制战斗简易版

1.BattleHUD

using UnityEngine;
using UnityEngine.UI;

public class BattleHUD : MonoBehaviour
{
    public Text nameText;
    public Text levelText;
    public Slider hpSlider;

    public void SetHUD(Unit unit)
    {
        nameText.text = unit.unitName;
        levelText.text = "Lvl " + unit.unitLevel;
        hpSlider.maxValue = unit.maxHP;
        hpSlider.value = unit.currentHP;
    }

    public void SetHP(int hp)
    {
        hpSlider.value = hp;
    }
}

2.BattleSystem

using System.Collections;
using UnityEngine;
using UnityEngine.UI;

public enum BattleState
{
    START,
    PLAYERTURN,
    ENEMYTURN,
    WON,
    LOST
}

public class BattleSystem : MonoBehaviour
{
    public GameObject playerPrefab;
    public GameObject enemyPrefab;

    public Transform playerBattleStation;
    public Transform enemyBattleStation;

    Unit playerUnit;
    Unit enemyUnit;

    public Text dialogueText;

    public BattleHUD playerHUD;
    public BattleHUD enemyHUD;

    public BattleState state;

    // Start is called before the first frame update
    void Start()
    {
        state = BattleState.START;
        StartCoroutine(SetupBattle());
    }

    IEnumerator SetupBattle()
    {
        GameObject playerGO = Instantiate(playerPrefab, playerBattleStation);
        playerUnit = playerGO.GetComponent<Unit>();

        GameObject enemyGO = Instantiate(enemyPrefab, enemyBattleStation);
        enemyUnit = enemyGO.GetComponent<Unit>();

        dialogueText.text = "A wild " + enemyUnit.unitName + " approaches...";

        playerHUD.SetHUD(playerUnit);
        enemyHUD.SetHUD(enemyUnit);

        yield return new WaitForSeconds(2f);

        state = BattleState.PLAYERTURN;
        PlayerTurn();
    }

    IEnumerator PlayerAttack()
    {
        bool isDead = enemyUnit.TakeDamage(playerUnit.damage);

        enemyHUD.SetHP(enemyUnit.currentHP);
        dialogueText.text = "The attack is successful!";

        yield return new WaitForSeconds(2f);

        if (isDead)
        {
            state = BattleState.WON;
            EndBattle();
        }
        else
        {
            state = BattleState.ENEMYTURN;
            StartCoroutine(EnemyTurn());
        }
    }

    IEnumerator EnemyTurn()
    {
        dialogueText.text = enemyUnit.unitName + " attacks!";

        yield return new WaitForSeconds(1f);

        bool isDead = playerUnit.TakeDamage(enemyUnit.damage);

        playerHUD.SetHP(playerUnit.currentHP);

        yield return new WaitForSeconds(1f);

        if (isDead)
        {
            state = BattleState.LOST;
            EndBattle();
        }
        else
        {
            state = BattleState.PLAYERTURN;
            PlayerTurn();
        }
    }

    void EndBattle()
    {
        if (state == BattleState.WON)
        {
            dialogueText.text = "You won the battle!";
        }
        else if (state == BattleState.LOST)
        {
            dialogueText.text = "You were defeated.";
        }
    }

    void PlayerTurn()
    {
        dialogueText.text = "Choose an action:";
    }

    IEnumerator PlayerHeal()
    {
        playerUnit.Heal(5);

        playerHUD.SetHP(playerUnit.currentHP);
        dialogueText.text = "You feel renewed strength!";

        yield return new WaitForSeconds(2f);

        state = BattleState.ENEMYTURN;
        StartCoroutine(EnemyTurn());
    }

    public void OnAttackButton()
    {
        if (state != BattleState.PLAYERTURN)
            return;

        StartCoroutine(PlayerAttack());
    }

    public void OnHealButton()
    {
        if (state != BattleState.PLAYERTURN)
            return;

        StartCoroutine(PlayerHeal());
    }
}

3.Unit

using UnityEngine;

public class Unit : MonoBehaviour
{
    public string unitName;
    public int unitLevel;

    public int damage;

    public int maxHP;
    public int currentHP;

    public bool TakeDamage(int dmg)
    {
        currentHP -= dmg;

        if (currentHP <= 0)
            return true;
        else
            return false;
    }

    public void Heal(int amount)
    {
        currentHP += amount;
        if (currentHP > maxHP)
            currentHP = maxHP;
    }
}