【Unity】ScriptableObjectの活用方法についてまとめる

using UnityEngine;

[CreateAssetMenu(fileName = "MonsterData", menuName = "SampleGame/MonsterData")]
public class MonsterData : ScriptableObject
{
    /// <summary>
    /// 名前
    /// </summary>
    public string monsterName;

    /// <summary>
    /// HP
    /// </summary>
    public int hp;

    /// <summary>
    /// 死亡しているか？
    /// </summary>
    public bool isDead;
}

using UnityEngine;
using UnityEngine.UI;

public class ShowOnlySceneManager : MonoBehaviour
{
    /// <summary>
    /// UI
    /// </summary>
    [SerializeField] private Text nameText;
    [SerializeField] private Text hpText;
    [SerializeField] private Text isDeadText;

    /// <summary>
    /// ScriptableObject
    /// </summary>
    [SerializeField] private MonsterData monsterData;

    private void Awake()
    {
        // ScriptableObjectからデータを設定
        nameText.text = monsterData.monsterName;
        hpText.text = monsterData.hp.ToString();
        isDeadText.text = monsterData.isDead.ToString();
    }
}

using System;
using System.Collections.Generic;
using UnityEngine;

[CreateAssetMenu(fileName = "MonstersData", menuName = "SampleGame/MonstersData")]
public class MonstersData : ScriptableObject
{
    public List<MonsterData> dataList;

    [Serializable]
    public class MonsterData
    {
        /// <summary>
        /// 名前
        /// </summary>
        public string monsterName;

        /// <summary>
        /// HP
        /// </summary>
        public int hp;

        /// <summary>
        /// 死亡しているか？
        /// </summary>
        public bool isDead;
    }
}

using System;
using UnityEngine;

[CreateAssetMenu(fileName = "MonsterSceneData", menuName = "SampleGame/MonsterSceneData")]
public class MonsterSceneData : ScriptableObject, ISerializationCallbackReceiver
{
    /// <summary>
    /// 名前
    /// </summary>
    [SerializeField] private string initMonsterName;
    [NonSerialized] public string MonsterName;

    /// <summary>
    /// HP
    /// </summary>
    [SerializeField] private int initHp;
    [NonSerialized] public int Hp;

    /// <summary>
    /// 死亡しているか？
    /// </summary>
    [SerializeField] private bool initIsDead;
    [NonSerialized] public bool IsDead;

    public void OnBeforeSerialize() { }
    public void OnAfterDeserialize()
    {
        // ランタイムでの書き込み用に値をコピーする
        MonsterName = initMonsterName;
        Hp = initHp;
        IsDead = initIsDead;
    }
}

using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

public class InputSceneManager : MonoBehaviour
{
    /// <summary>
    /// UI
    /// </summary>
    [SerializeField] private InputField nameInputField;
    [SerializeField] private InputField hpInputField;
    [SerializeField] private Toggle isDeadToggle;
    [SerializeField] private Button nextButton;

    /// <summary>
    /// ScriptableObject
    /// </summary>
    [SerializeField] private MonsterSceneData monsterData;

    private void Awake()
    {
        // ScriptableObjectからデータを設定
        nameInputField.text = monsterData.MonsterName;
        hpInputField.text = monsterData.Hp.ToString();
        isDeadToggle.isOn = monsterData.IsDead;

        // ボタン押下処理
        nextButton.onClick.AddListener(() =>
        {
            // 入力データをScriptableObjectに設定
            monsterData.MonsterName = nameInputField.text;
            monsterData.Hp = int.Parse(hpInputField.text);
            monsterData.IsDead = isDeadToggle.isOn;

            // シーン遷移
            SceneManager.LoadScene("ShowScene");
        });
    }
}

using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

public class ShowSceneManager : MonoBehaviour
{
    /// <summary>
    /// UI
    /// </summary>
    [SerializeField] private Text nameText;
    [SerializeField] private Text hpText;
    [SerializeField] private Text isDeadText;
    [SerializeField] private Button backButton;

    /// <summary>
    /// ScriptableObject
    /// </summary>
    [SerializeField] private MonsterSceneData monsterData;

    private void Awake()
    {
        // ScriptableObjectからデータを設定
        nameText.text = monsterData.MonsterName;
        hpText.text = monsterData.Hp.ToString();
        isDeadText.text = monsterData.IsDead.ToString();

        // ボタン押下処理
        backButton.onClick.AddListener(() =>
        {
            // 元のシーンに戻る
            SceneManager.LoadScene("InputScene");
        });
    }
}

using System.Collections.Generic;
using UnityEngine;

[CreateAssetMenu(fileName = "GameEvent", menuName = "SampleGame/GameEvent")]
public class GameEvent : ScriptableObject
{
    private readonly List<GameEventListener> _listeners = new List<GameEventListener>();

    public void Raise()
    {
        foreach (var listener in _listeners)
        {
            listener.OnEventRaised();
        }
    }

    public void RegisterListener(GameEventListener listener)
    {
        _listeners.Add(listener);
    }

    public void UnRegisterListener(GameEventListener listener)
    {
        _listeners.Remove(listener);
    }
}

using UnityEngine;
using UnityEngine.Events;

public class GameEventListener : MonoBehaviour
{
    [SerializeField] private GameEvent gameEvent;
    [SerializeField] private UnityEvent unityEvent;

    private void OnEnable()
    {
        gameEvent.RegisterListener(this);
    }

    private void OnDisable()
    {
        gameEvent.UnRegisterListener(this);
    }

    public void OnEventRaised()
    {
        unityEvent.Invoke();
    }
}

using UnityEngine;

public class Monster : MonoBehaviour
{
    [SerializeField] private string deadMessage;
    [SerializeField] private string shockMessage;
    [SerializeField] private GameEvent deadEvent;

    private bool _isDead = false;

    /// <summary>
    /// 死亡する
    /// </summary>
    public void Dead()
    {
        if (_isDead) return;

        // 雄叫びをあげながら死亡
        _isDead = true;
        Debug.Log($"<color=red>{gameObject.name}: {deadMessage}</color>");

        // 死亡イベントを発行する
        deadEvent.Raise();
    }

    /// <summary>
    /// 仲間の死亡通知を受ける
    /// </summary>
    public void NotifyFriendDead()
    {
        if (_isDead) return;

        // ショックを受ける
        Debug.Log($"<color=cyan>{gameObject.name}: {shockMessage}</color>");
    }
}

using UnityEngine;
using UnityEngine.UI;

public class EventSceneManager : MonoBehaviour
{
    [SerializeField] private Button deadMonster1Button;
    [SerializeField] private Button deadMonster2Button;
    [SerializeField] private Button deadMonster3Button;
    [SerializeField] private Monster monster1;
    [SerializeField] private Monster monster2;
    [SerializeField] private Monster monster3;

    private void Awake()
    {
        // ボタンに応じたモンスターを死亡させる
        deadMonster1Button.onClick.AddListener(() => monster1.Dead());
        deadMonster2Button.onClick.AddListener(() => monster2.Dead());
        deadMonster3Button.onClick.AddListener(() => monster3.Dead());
    }
}