2026-04-22 계산대 진행중

Assets/02_Scripts/Shopping/CheckoutMachine.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using TMPro;
 using UnityEngine;
 using VRShopping.Items;
 using VRShopping.UI;
@@ -12,24 +13,51 @@ public class CheckoutMachine : MonoBehaviour
         [SerializeField] private Transform _rowContainer;
         [SerializeField] private CheckoutProductionRow _rowPrefab;
 
-        private readonly Dictionary<ItemData, CheckoutProductionRow> _rowByItem = new();
+        private readonly Dictionary<string, CheckoutProductionRow> _rowByItemId = new();
+
+        [SerializeField] private TMP_Text _checkoutSumField;
+
+        public void UpdateSumUI()
+        {
+            _checkoutSumField.text = CheckoutSum.ToString("N0");
+        }
 
         public void AddCheckoutProduction(ItemData itemData)
         {
             if (itemData == null) return;
 
-            if (_rowByItem.TryGetValue(itemData, out CheckoutProductionRow row))
+            if (_rowByItemId.TryGetValue(itemData.ItemId, out CheckoutProductionRow row))
             {
                 row.Bind(itemData, row.Quantity + 1);
             }
             else
             {
                 row = Instantiate(_rowPrefab, _rowContainer);
+                row.OnAddClicked += AddCheckoutProduction;
+                row.OnRemoveClicked += RemoveCheckoutProduction;
                 row.Bind(itemData, 1);
-                _rowByItem[itemData] = row;
+                _rowByItemId[itemData.ItemId] = row;
             }
 
             CheckoutSum += itemData.FinalPrice;
         }
+
+        public void RemoveCheckoutProduction(ItemData itemData)
+        {
+            if (itemData == null) return;
+            if (!_rowByItemId.TryGetValue(itemData.ItemId, out CheckoutProductionRow row)) return;
+
+            CheckoutSum -= itemData.FinalPrice;
+
+            if (row.Quantity <= 1)
+            {
+                _rowByItemId.Remove(itemData.ItemId);
+                Destroy(row.gameObject);
+            }
+            else
+            {
+                row.Bind(itemData, row.Quantity - 1);
+            }
+        }
     }
 }

Assets/02_Scripts/UI/CheckoutProductionRow.cs

@@ -1,5 +1,7 @@
+using System;
 using TMPro;
 using UnityEngine;
+using UnityEngine.UI;
 using VRShopping.Items;
 
 namespace VRShopping.UI
@@ -9,9 +11,21 @@ public class CheckoutProductionRow : MonoBehaviour
         [SerializeField] private TMP_Text _nameText;
         [SerializeField] private TMP_Text _quantityText;
         [SerializeField] private TMP_Text _priceText;
+        [SerializeField] private Button _addButton;
+        [SerializeField] private Button _removeButton;
 
+        public ItemData Item { get; private set; }
         public int Quantity { get; private set; }
 
+        public event Action<ItemData> OnAddClicked;
+        public event Action<ItemData> OnRemoveClicked;
+
+        private void Awake()
+        {
+            if (_addButton != null) _addButton.onClick.AddListener(() => OnAddClicked?.Invoke(Item));
+            if (_removeButton != null) _removeButton.onClick.AddListener(() => OnRemoveClicked?.Invoke(Item));
+        }
+
         public void Bind(ItemData item, int quantity)
         {
             if (item == null)
@@ -20,11 +34,12 @@ public void Bind(ItemData item, int quantity)
                 return;
             }
 
+            Item = item;
             Quantity = quantity;
 
             if (_nameText != null) _nameText.text = item.DisplayName;
             if (_quantityText != null) _quantityText.text = $"x{quantity}";
-            if (_priceText != null) _priceText.text = (item.FinalPrice * quantity).ToString();
+            if (_priceText != null) _priceText.text = (item.FinalPrice * quantity).ToString("N0");
         }
     }
 }