#58 battleシーンのstateつくる (#61)

* Executeつくった

* ログに表示する文章を修正

* ウィンドウ内での選択、前のウィンドウに戻る、の実装

各ウィンドウのState、ウィンドウ内での選択、次のウィンドウに進む、前のウィンドウに戻る、の機能の実装
デバッグ画面での正常動作確認済み

* 全状態の統合、Injectへの変更

Assets/App/Scripts/Battle/BattleLifetimeScope.cs

@@ -1,8 +1,8 @@
 using App.Battle.Datastores;
 using App.Battle.UseCases;
+using App.Battle.Presenters;
 using App.Battle.Interfaces.UseCases;
 using App.Battle.Interfaces.Datastores;
-
 using UnityEngine;
 using VContainer;
 using VContainer.Unity;
@@ -13,5 +13,7 @@ protected override void Configure(IContainerBuilder builder)
     {
         builder.Register<BattleEnemyDatastore>(Lifetime.Singleton).AsImplementedInterfaces();
         builder.Register<BattleEnemyUseCase>(Lifetime.Singleton).AsImplementedInterfaces();
+        builder.Register<BattleStateMachineUseCase>(Lifetime.Singleton).AsImplementedInterfaces();
+        builder.Register<BattleStateMachinePresenter>(Lifetime.Singleton).AsImplementedInterfaces();
     }
 }

Assets/App/Scripts/Battle/Interfaces/IBattleState.cs

@@ -0,0 +1,14 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace App.Battle.Interfaces
+{
+    public interface IBattleState
+    {
+        public void IncreaseIndex();
+        public void DecreaseIndex();
+        public IBattleState Execute();
+        public IBattleState Cancel();
+    }
+}

Assets/App/Scripts/Battle/Interfaces/Presenters/IBattleStateMachinePresenter.cs

@@ -0,0 +1,10 @@
+namespace App.Battle.Interfaces.Presenters
+{
+    public interface IBattleStateMachinePresenter
+    {
+        public void IncreaseIndex();
+        public void DecreaseIndex();
+        public void Execute();
+        public void Cancel();
+    }
+}

Assets/App/Scripts/Battle/Interfaces/UseCases/IBattleStateMachineUseCase.cs

@@ -0,0 +1,10 @@
+namespace App.Battle.Interfaces.UseCases
+{
+    public interface IBattleStateMachineUseCase
+    {
+        public void IncreaseIndex();
+        public void DecreaseIndex();
+        public void Execute();
+        public void Cancel();
+    }
+}

Assets/App/Scripts/Battle/Presenters/BattleStateFirstPresenter.cs

@@ -0,0 +1,54 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using App.Battle.Interfaces;
+
+namespace App.Battle.Presenters
+{
+    public class BattleStateFirstPresenter : IBattleState
+    {
+        private int _nextStateNumber = 3; 
+        private int _nextStateIndex = 0;
+
+        public void IncreaseIndex()
+        {
+            if(_nextStateIndex < _nextStateNumber - 1)
+            {
+                _nextStateIndex++;
+            }
+            UnityEngine.Debug.Log($"CurrentIndex: {_nextStateIndex}");
+        }
+
+        public void DecreaseIndex()
+        {
+            if(_nextStateIndex > 0)
+            {
+                _nextStateIndex--;
+            }
+            UnityEngine.Debug.Log($"CurrentIndex: {_nextStateIndex}");
+        }
+
+        public IBattleState Execute()
+        {
+            switch(_nextStateIndex)
+            {
+                case 0:
+                    UnityEngine.Debug.Log("CurrentState: Select Skill");
+                    return new BattleStateSkillsPresenter();
+                case 1:
+                    UnityEngine.Debug.Log("CurrentState: Select Command");
+                    return this;
+                case 2:
+                    UnityEngine.Debug.Log("CurrentState: Select Item");
+                    return new BattleStateItemsPresenter();
+            }
+            return null;
+        }
+
+        public IBattleState Cancel()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Command");
+            return this;
+        }
+    }
+}

Assets/App/Scripts/Battle/Presenters/BattleStateItemsPresenter.cs

@@ -0,0 +1,34 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using App.Battle.Interfaces;
+
+namespace App.Battle.Presenters
+{
+    public class BattleStateItemsPresenter : IBattleState
+    {
+        public void IncreaseIndex()
+        {
+            UnityEngine.Debug.Log("CurrentIndex: 0");
+            return;
+        }
+
+        public void DecreaseIndex()
+        {
+            UnityEngine.Debug.Log("CurrentIndex: 0");
+            return;
+        }
+
+        public IBattleState Execute()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Target(Item)");
+            return new BattleStateItemsTargetPresenter();
+        }
+
+        public IBattleState Cancel()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Command");
+            return new BattleStateFirstPresenter();
+        }
+    }
+}

Assets/App/Scripts/Battle/Presenters/BattleStateItemsTargetPresenter.cs

@@ -0,0 +1,35 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using App.Battle.Interfaces;
+
+namespace App.Battle.Presenters
+{
+    public class BattleStateItemsTargetPresenter : IBattleState
+    {
+
+        public void IncreaseIndex()
+        {
+            UnityEngine.Debug.Log("CurrentIndex: 0");
+            return;
+        }
+
+        public void DecreaseIndex()
+        {
+            UnityEngine.Debug.Log("CurrentIndex: 0");
+            return;
+        }
+
+        public IBattleState Execute()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Item");
+            return new BattleStateItemsPresenter();
+        }
+
+        public IBattleState Cancel()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Item");
+            return new BattleStateItemsPresenter();
+        }
+    }
+}

Assets/App/Scripts/Battle/Presenters/BattleStateMachinePresenter.cs

@@ -0,0 +1,45 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using App.Battle.Interfaces;
+using App.Battle.Interfaces.Presenters;
+
+namespace App.Battle.Presenters
+{
+    public class BattleStateMachinePresenter : IBattleStateMachinePresenter
+    {
+        private IBattleState _currentState = new BattleStateFirstPresenter();
+
+        public void IncreaseIndex()
+        {
+            if(_currentState == null)
+            {
+                throw new System.Exception("CurrentState is null");
+            }
+            _currentState.IncreaseIndex();
+        }
+
+        public void DecreaseIndex()
+        {
+            if(_currentState == null)
+            {
+                throw new System.Exception("CurrentState is null");
+            }
+            _currentState.DecreaseIndex();
+        }
+
+        public void Execute()
+        {
+            if(_currentState == null)
+            {
+                throw new System.Exception("CurrentState is null");
+            }
+            _currentState = _currentState.Execute();
+        }
+
+        public void Cancel()
+        {
+            _currentState = _currentState.Cancel();
+        }
+    }
+}

Assets/App/Scripts/Battle/Presenters/BattleStateSkillsPresenter.cs

@@ -0,0 +1,34 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using App.Battle.Interfaces;
+
+namespace App.Battle.Presenters
+{
+    public class BattleStateSkillsPresenter : IBattleState
+    {
+        public void IncreaseIndex()
+        {
+            UnityEngine.Debug.Log("CurrentIndex: 0");
+            return;
+        }
+
+        public void DecreaseIndex()
+        {
+            UnityEngine.Debug.Log("CurrentIndex: 0");
+            return;
+        }
+
+        public IBattleState Execute()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Target(Skill)");
+            return new BattleStateSkillsTargetPresenter();
+        }
+
+        public IBattleState Cancel()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Command");
+            return new BattleStateFirstPresenter();
+        }
+    }
+}

Assets/App/Scripts/Battle/Presenters/BattleStateSkillsTargetPresenter.cs

@@ -0,0 +1,34 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using App.Battle.Interfaces;
+
+namespace App.Battle.Presenters
+{
+    public class BattleStateSkillsTargetPresenter : IBattleState
+    {
+        public void IncreaseIndex()
+        {
+            UnityEngine.Debug.Log("CurrentIndex: 0");
+            return;
+        }
+
+        public void DecreaseIndex()
+        {
+            UnityEngine.Debug.Log("CurrentIndex: 0");
+            return;
+        }
+
+        public IBattleState Execute()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Command");
+            return new BattleStateFirstPresenter();
+        }
+
+        public IBattleState Cancel()
+        {
+            UnityEngine.Debug.Log("CurrentState: Select Skill");
+            return new BattleStateSkillsPresenter();
+        }
+    }
+}