From a7133a4abae19dfba484eb728c9bf64ccffb193d Mon Sep 17 00:00:00 2001
From: Mingu Kim <mcutegs2@me.com>
Date: Wed, 3 Sep 2025 21:16:42 +0900
Subject: [PATCH] =?UTF-8?q?=EB=B3=B4=EC=8A=A4=20=EB=AA=AC=EC=8A=A4?=
 =?UTF-8?q?=ED=84=B0=20Ai=20=EA=B4=80=EB=A0=A8=20=EC=BD=94=EB=93=9C=20?=
 =?UTF-8?q?=ED=8B=80=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Assets/Scenes/SampleScene.unity              | 13 +++++++++++
 Assets/Scripts/AI.meta                       |  8 +++++++
 Assets/Scripts/AI/EnemyStateManager.cs       | 24 ++++++++++++++++++++
 Assets/Scripts/AI/EnemyStateManager.cs.meta  |  2 ++
 Assets/Scripts/AI/IEnemyuState.cs            |  9 ++++++++
 Assets/Scripts/AI/IEnemyuState.cs.meta       |  2 ++
 Assets/Scripts/AI/State.meta                 |  8 +++++++
 Assets/Scripts/AI/State/EAttackState.cs      | 22 ++++++++++++++++++
 Assets/Scripts/AI/State/EAttackState.cs.meta |  2 ++
 Assets/Scripts/AI/State/EChaseState.cs       | 22 ++++++++++++++++++
 Assets/Scripts/AI/State/EChaseState.cs.meta  |  2 ++
 Assets/Scripts/AI/State/EIdleState.cs        | 22 ++++++++++++++++++
 Assets/Scripts/AI/State/EIdleState.cs.meta   |  2 ++
 Assets/Scripts/AI/State/EPatrolState.cs      | 22 ++++++++++++++++++
 Assets/Scripts/AI/State/EPatrolState.cs.meta |  2 ++
 15 files changed, 162 insertions(+)
 create mode 100644 Assets/Scripts/AI.meta
 create mode 100644 Assets/Scripts/AI/EnemyStateManager.cs
 create mode 100644 Assets/Scripts/AI/EnemyStateManager.cs.meta
 create mode 100644 Assets/Scripts/AI/IEnemyuState.cs
 create mode 100644 Assets/Scripts/AI/IEnemyuState.cs.meta
 create mode 100644 Assets/Scripts/AI/State.meta
 create mode 100644 Assets/Scripts/AI/State/EAttackState.cs
 create mode 100644 Assets/Scripts/AI/State/EAttackState.cs.meta
 create mode 100644 Assets/Scripts/AI/State/EChaseState.cs
 create mode 100644 Assets/Scripts/AI/State/EChaseState.cs.meta
 create mode 100644 Assets/Scripts/AI/State/EIdleState.cs
 create mode 100644 Assets/Scripts/AI/State/EIdleState.cs.meta
 create mode 100644 Assets/Scripts/AI/State/EPatrolState.cs
 create mode 100644 Assets/Scripts/AI/State/EPatrolState.cs.meta

diff --git a/Assets/Scenes/SampleScene.unity b/Assets/Scenes/SampleScene.unity
index 2bf73222..90c9e738 100644
--- a/Assets/Scenes/SampleScene.unity
+++ b/Assets/Scenes/SampleScene.unity
@@ -646,6 +646,7 @@ GameObject:
   - component: {fileID: 114042778}
   - component: {fileID: 114042777}
   - component: {fileID: 114042780}
+  - component: {fileID: 114042781}
   m_Layer: 9
   m_Name: False Knight
   m_TagString: Enemy
@@ -746,6 +747,18 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   nextMove: 0
+--- !u!114 &114042781
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 114042775}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 39a88fe79855e244ea5a0692e248e48e, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
 --- !u!1 &119726257
 GameObject:
   m_ObjectHideFlags: 0
diff --git a/Assets/Scripts/AI.meta b/Assets/Scripts/AI.meta
new file mode 100644
index 00000000..08f5527d
--- /dev/null
+++ b/Assets/Scripts/AI.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 19a8dafa2c009e14bb05f829de83171e
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/AI/EnemyStateManager.cs b/Assets/Scripts/AI/EnemyStateManager.cs
new file mode 100644
index 00000000..96ea3370
--- /dev/null
+++ b/Assets/Scripts/AI/EnemyStateManager.cs
@@ -0,0 +1,24 @@
+using UnityEngine;
+
+public class EnemyStateManager : MonoBehaviour
+{
+    public IEnemyState CurrentState;
+    
+    void Start()
+    {
+        TransitionToState(new EIdleState());
+    }
+    
+    void Update()
+    {
+        CurrentState?.UpdateState(this);    // ? = CurrentState가 null이 아닐때만 실행되는 null 조건 연산자
+    }
+
+    public void TransitionToState(IEnemyState newState)
+    {
+        CurrentState?.ExitState(this);
+        CurrentState = newState;
+        CurrentState.EnterState(this);
+        print($"[TransitionToState]에서 상태 변경 -> {newState}");
+    }
+}
diff --git a/Assets/Scripts/AI/EnemyStateManager.cs.meta b/Assets/Scripts/AI/EnemyStateManager.cs.meta
new file mode 100644
index 00000000..7c15c109
--- /dev/null
+++ b/Assets/Scripts/AI/EnemyStateManager.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 39a88fe79855e244ea5a0692e248e48e
\ No newline at end of file
diff --git a/Assets/Scripts/AI/IEnemyuState.cs b/Assets/Scripts/AI/IEnemyuState.cs
new file mode 100644
index 00000000..3b35640d
--- /dev/null
+++ b/Assets/Scripts/AI/IEnemyuState.cs
@@ -0,0 +1,9 @@
+public interface IEnemyState
+{
+    // 상태에 들어갈때 실행할 함수
+    void EnterState(EnemyStateManager enemy);
+    // 상태가 유지될때 실행되는 함수
+    void UpdateState(EnemyStateManager enemy);
+    // 상태에서 나올때 실행되는 함수
+    void ExitState(EnemyStateManager enemy);
+}
\ No newline at end of file
diff --git a/Assets/Scripts/AI/IEnemyuState.cs.meta b/Assets/Scripts/AI/IEnemyuState.cs.meta
new file mode 100644
index 00000000..42ffa676
--- /dev/null
+++ b/Assets/Scripts/AI/IEnemyuState.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 0911e8eea571dfa4fa92f80429dbf6df
\ No newline at end of file
diff --git a/Assets/Scripts/AI/State.meta b/Assets/Scripts/AI/State.meta
new file mode 100644
index 00000000..568fb84a
--- /dev/null
+++ b/Assets/Scripts/AI/State.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: b2c6d5b1456feb84098929adaa216fdd
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/AI/State/EAttackState.cs b/Assets/Scripts/AI/State/EAttackState.cs
new file mode 100644
index 00000000..acd78542
--- /dev/null
+++ b/Assets/Scripts/AI/State/EAttackState.cs
@@ -0,0 +1,22 @@
+using UnityEngine;
+
+public class EAttackState : IEnemyState
+{
+    public void EnterState(EnemyStateManager enemy)
+    {
+        Debug.Log("EAttackState에서 EnterState 실행");
+    }
+
+    public void UpdateState(EnemyStateManager enemy)
+    {
+        if (Input.GetKeyDown(KeyCode.Tab))
+        {
+            enemy.TransitionToState(new EIdleState());
+        }
+    }
+
+    public void ExitState(EnemyStateManager enemy)
+    {
+        Debug.Log("EAttackState에서 ExitState 실행");
+    }
+}
diff --git a/Assets/Scripts/AI/State/EAttackState.cs.meta b/Assets/Scripts/AI/State/EAttackState.cs.meta
new file mode 100644
index 00000000..e292cd6e
--- /dev/null
+++ b/Assets/Scripts/AI/State/EAttackState.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: e8e7338261caaf747acc655ddc6600c0
\ No newline at end of file
diff --git a/Assets/Scripts/AI/State/EChaseState.cs b/Assets/Scripts/AI/State/EChaseState.cs
new file mode 100644
index 00000000..58494c09
--- /dev/null
+++ b/Assets/Scripts/AI/State/EChaseState.cs
@@ -0,0 +1,22 @@
+using UnityEngine;
+
+public class EChaseState : IEnemyState
+{
+    public void EnterState(EnemyStateManager enemy)
+    {
+        Debug.Log("EChaseState에서 EnterState 실행");
+    }
+
+    public void UpdateState(EnemyStateManager enemy)
+    {
+        if (Input.GetKeyDown(KeyCode.Tab))
+        {
+            enemy.TransitionToState(new EAttackState());
+        }
+    }
+
+    public void ExitState(EnemyStateManager enemy)
+    {
+        Debug.Log("EChaseState에서 ExitState 실행");
+    }
+}
diff --git a/Assets/Scripts/AI/State/EChaseState.cs.meta b/Assets/Scripts/AI/State/EChaseState.cs.meta
new file mode 100644
index 00000000..ff30214d
--- /dev/null
+++ b/Assets/Scripts/AI/State/EChaseState.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 5cf86eba8a247ce44aab23fb33a3c799
\ No newline at end of file
diff --git a/Assets/Scripts/AI/State/EIdleState.cs b/Assets/Scripts/AI/State/EIdleState.cs
new file mode 100644
index 00000000..230fc62a
--- /dev/null
+++ b/Assets/Scripts/AI/State/EIdleState.cs
@@ -0,0 +1,22 @@
+using UnityEngine;
+
+public class EIdleState : IEnemyState
+{
+    public void EnterState(EnemyStateManager enemy)
+    {
+        Debug.Log("EIdleState에서 EnterState 실행");
+    }
+
+    public void UpdateState(EnemyStateManager enemy)
+    {
+        if (Input.GetKeyDown(KeyCode.Tab))
+        {
+            enemy.TransitionToState(new EPatrolState());
+        }
+    }
+
+    public void ExitState(EnemyStateManager enemy)
+    {
+        Debug.Log("EIdleState에서 ExitState 실행");
+    }
+}
diff --git a/Assets/Scripts/AI/State/EIdleState.cs.meta b/Assets/Scripts/AI/State/EIdleState.cs.meta
new file mode 100644
index 00000000..46b5ecbd
--- /dev/null
+++ b/Assets/Scripts/AI/State/EIdleState.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: bf2076e239e13174599ab45c0c843ecb
\ No newline at end of file
diff --git a/Assets/Scripts/AI/State/EPatrolState.cs b/Assets/Scripts/AI/State/EPatrolState.cs
new file mode 100644
index 00000000..a4392219
--- /dev/null
+++ b/Assets/Scripts/AI/State/EPatrolState.cs
@@ -0,0 +1,22 @@
+using UnityEngine;
+
+public class EPatrolState : IEnemyState
+{
+    public void EnterState(EnemyStateManager enemy)
+    {
+        Debug.Log("EPatrolState에서 EnterState 실행");
+    }
+
+    public void UpdateState(EnemyStateManager enemy)
+    {
+        if (Input.GetKeyDown(KeyCode.Tab))
+        {
+            enemy.TransitionToState(new EChaseState());
+        }
+    }
+
+    public void ExitState(EnemyStateManager enemy)
+    {
+        Debug.Log("EPatrolState에서 ExitState 실행");
+    }
+}
diff --git a/Assets/Scripts/AI/State/EPatrolState.cs.meta b/Assets/Scripts/AI/State/EPatrolState.cs.meta
new file mode 100644
index 00000000..20ca1e8c
--- /dev/null
+++ b/Assets/Scripts/AI/State/EPatrolState.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 1999129bffd0d544bba613cfcc014cdd
\ No newline at end of file