From 3d54e764bcdc4369e1bb29d41b3e0b2c18f667ca Mon Sep 17 00:00:00 2001
From: NTG_Lenovo <iwnc2020@gmail.com>
Date: Mon, 21 Jul 2025 19:51:11 +0900
Subject: [PATCH] =?UTF-8?q?DDD-64=20=EC=95=84=EC=9D=B4=ED=85=9C=20?=
 =?UTF-8?q?=EC=9D=B8=EB=B2=A4=ED=86=A0=EB=A6=AC=20=EC=8B=9C=EC=8A=A4?=
 =?UTF-8?q?=ED=85=9C=20=EA=B8=B0=EB=B3=B8=20=EA=B5=AC=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../_Scripts/GameData/InventoryItemData.cs    | 14 +++
 .../_Scripts/GameData/InventoryManager.cs     | 97 +++++++++++++++++++
 Assets/_DDD/_Scripts/GameEvent/GameEvents.cs  |  5 +
 .../GenerateGoogleSheet/Core/DataSo.cs        |  2 +
 4 files changed, 118 insertions(+)
 create mode 100644 Assets/_DDD/_Scripts/GameData/InventoryItemData.cs
 create mode 100644 Assets/_DDD/_Scripts/GameData/InventoryManager.cs

diff --git a/Assets/_DDD/_Scripts/GameData/InventoryItemData.cs b/Assets/_DDD/_Scripts/GameData/InventoryItemData.cs
new file mode 100644
index 000000000..2f73efa4b
--- /dev/null
+++ b/Assets/_DDD/_Scripts/GameData/InventoryItemData.cs
@@ -0,0 +1,14 @@
+namespace DDD
+{
+    public class InventoryItemData : IId
+    {
+        public string Id { get; set; }
+        public int Quantity { get; set; }
+
+        public InventoryItemData(string id, int quantity)
+        {
+            Id = id;
+            Quantity = quantity;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/_DDD/_Scripts/GameData/InventoryManager.cs b/Assets/_DDD/_Scripts/GameData/InventoryManager.cs
new file mode 100644
index 000000000..6f4c83014
--- /dev/null
+++ b/Assets/_DDD/_Scripts/GameData/InventoryManager.cs
@@ -0,0 +1,97 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using UnityEngine;
+
+namespace DDD
+{
+    public class InventoryManager : Singleton<InventoryManager>, IManager
+    {
+        private Dictionary<string, ItemData> _itemDataLookup;
+        private Dictionary<string, InventoryItemData> _inventoryItemDatas;
+        
+        public void PreInit()
+        {
+            
+        }
+
+        public Task Init()
+        {
+            return Task.CompletedTask;
+        }
+
+        public void PostInit()
+        {
+            InitializeItemData();
+        }
+
+        private void InitializeItemData()
+        {
+            var itemDataSo = DataManager.Instance.ItemDataSo;
+            
+            Debug.Assert(itemDataSo != null, "itemDataSo != null");
+
+            _itemDataLookup = itemDataSo.GetDataList()
+                .Where(item => !string.IsNullOrEmpty(item.Id))
+                .ToDictionary(item => item.Id, item => item);
+
+            _inventoryItemDatas = new Dictionary<string, InventoryItemData>(itemDataSo.GetDataCount());
+        }
+
+        public bool AddItem(string id, int quantity = 1)
+        {
+            if (!_itemDataLookup.ContainsKey(id))
+            {
+                Debug.LogError($"[Inventory] 등록되지 않은 아이템 ID: {id}");
+                return false;
+            }
+
+            if (_inventoryItemDatas.TryGetValue(id, out var itemData))
+            {
+                itemData.Quantity += quantity;
+            }
+            else
+            {
+                _inventoryItemDatas[id] = new InventoryItemData(id, quantity);
+            }
+
+            EventBus.Broadcast(new InventoryChangedEvent());
+            return true;
+        }
+
+        public bool RemoveItem(string id, int quantity = 1)
+        {
+            if (!_inventoryItemDatas.TryGetValue(id, out var itemData))
+            {
+                Debug.LogError($"[Inventory] 등록되지 않은 아이템 ID: {id}");
+                return false;
+            }
+            
+            if (itemData.Quantity < quantity)
+            {
+                Debug.LogWarning($"[Inventory] 보유 수량보다 삭제하는 수량이 더 많습니다 " +
+                                 $"{id}, 보유 수량 : {itemData.Quantity}, 삭제 수량 : {quantity}");
+                return false;
+            }
+            
+            itemData.Quantity -= quantity;
+
+            if (itemData.Quantity <= 0)
+            {
+                _inventoryItemDatas.Remove(id);
+            }
+            
+            EventBus.Broadcast(new InventoryChangedEvent());
+            return true;
+        }
+        
+        public IReadOnlyDictionary<string, InventoryItemData> InventoryItems => _inventoryItemDatas;
+        public bool TryGetItemData(string id, out ItemData itemData) => _itemDataLookup.TryGetValue(id, out itemData);
+        public int GetItemCount(string id) => _inventoryItemDatas.TryGetValue(id, out var itemData) ? itemData.Quantity : 0;
+        public ItemData GetItemDataByIdOrNull(string id)
+        {
+            _itemDataLookup.TryGetValue(id, out var itemData);
+            return itemData;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/_DDD/_Scripts/GameEvent/GameEvents.cs b/Assets/_DDD/_Scripts/GameEvent/GameEvents.cs
index 9f26685c4..5e838add3 100644
--- a/Assets/_DDD/_Scripts/GameEvent/GameEvents.cs
+++ b/Assets/_DDD/_Scripts/GameEvent/GameEvents.cs
@@ -20,4 +20,9 @@ public class InteractionEvent : IEvent
         public GameObject Causer;
         public GameObject Target;
     }
+
+    public class InventoryChangedEvent : IEvent
+    {
+        
+    }
 }
diff --git a/Assets/_DDD/_Scripts/GenerateGoogleSheet/Core/DataSo.cs b/Assets/_DDD/_Scripts/GenerateGoogleSheet/Core/DataSo.cs
index 88d39826a..8598c3e71 100644
--- a/Assets/_DDD/_Scripts/GenerateGoogleSheet/Core/DataSo.cs
+++ b/Assets/_DDD/_Scripts/GenerateGoogleSheet/Core/DataSo.cs
@@ -20,5 +20,7 @@ public List<T> GetDataList()
         {
             return Datas;
         }
+        
+        public int GetDataCount() => Datas.Count;
     }
 }
\ No newline at end of file