미션 생성기

Assets/02_Scripts/Data/Player/PlayerWallet.cs

@@ -32,5 +32,12 @@ public bool PayMoney(int cost)
             //예산 부족
             return false;
         }
+
+        // 미션 생성 시점에 예산 덮어쓰기
+        public void SetBudget(int budget)
+        {
+            _budget = Mathf.Max(0, budget);
+            OnBudgetChanged?.Invoke(_budget);
+        }
     }
 }

Assets/02_Scripts/Data/Shopping/ShoppingOrderEntry.cs

@@ -11,5 +11,13 @@ public class ShoppingOrderEntry
 
         public ProductGroup ProductGroup => _productGroup;
         public int RequiredQuantity => _requiredQuantity;
+
+        public ShoppingOrderEntry() { }
+
+        public ShoppingOrderEntry(ProductGroup productGroup, int requiredQuantity)
+        {
+            _productGroup = productGroup;
+            _requiredQuantity = requiredQuantity;
+        }
     }
 }

Assets/02_Scripts/Data/Shopping/ShoppingOrderList.cs

@@ -10,5 +10,12 @@ public class ShoppingOrderList : ScriptableObject
 
         public IReadOnlyList<ShoppingOrderEntry> Entries => _entries;
         public int Count => _entries.Count;
+
+        // 런타임 생성용 (MissionGenerator 등에서 사용)
+        public void SetEntries(IEnumerable<ShoppingOrderEntry> entries)
+        {
+            _entries.Clear();
+            _entries.AddRange(entries);
+        }
     }
 }

Assets/02_Scripts/Shopping/MissionGenerator.cs

@@ -0,0 +1,118 @@
+using System.Collections.Generic;
+using UnityEngine;
+using VRShopping.Items;
+using VRShopping.Player;
+using VRShopping.UI;
+
+namespace VRShopping.Shopping
+{
+    // 씬 로드 시 현재 씬의 상품 재고를 스캔해서 랜덤 쇼핑 미션과 예산을 생성한다.
+    // - 미션 항목 수: [_minMissionCount, _maxMissionCount] 범위에서 랜덤 (씬 보유 그룹 수로 자동 클램프)
+    // - 항목당 수량: [1, _maxQuantityPerEntry] 범위에서 랜덤 (그룹별 재고 수로 자동 클램프)
+    // - 예산: 그룹별 최저가 기준 최적 비용 × (1 + Random[_budgetMarginMin, _budgetMarginMax])
+    public class MissionGenerator : MonoBehaviour, ISceneInitializable
+    {
+        [Header("Mission Size")]
+        [SerializeField, Min(1)] private int _minMissionCount = 10;
+        [SerializeField, Min(1)] private int _maxMissionCount = 15;
+
+        [Header("Quantity Per Entry")]
+        [SerializeField, Min(1)] private int _maxQuantityPerEntry = 5;
+
+        [Header("Budget Margin (over optimal cost)")]
+        [SerializeField, Range(0f, 1f)] private float _budgetMarginMin = 0.20f;
+        [SerializeField, Range(0f, 1f)] private float _budgetMarginMax = 0.30f;
+
+        [Header("References")]
+        [SerializeField] private ShoppingOrderView _orderView;
+        [SerializeField] private PlayerWallet _wallet;
+
+        public void OnSceneLoaded()
+        {
+            Generate();
+        }
+
+        public void Generate()
+        {
+            if (_orderView == null || _wallet == null)
+            {
+                Debug.LogWarning("[MissionGenerator] 참조 누락 (orderView/wallet)");
+                return;
+            }
+
+            // 1. 씬의 모든 상품을 ProductGroup별로 집계 (None과 ItemData 누락은 제외)
+            var stockByGroup = new Dictionary<ProductGroup, List<ItemData>>();
+            var allItems = Object.FindObjectsByType<ItemInstance>(FindObjectsSortMode.None);
+            foreach (var inst in allItems)
+            {
+                var data = inst.ItemDataInfo;
+                if (data == null) continue;
+                if (data.ProductGroup == ProductGroup.None) continue;
+
+                if (!stockByGroup.TryGetValue(data.ProductGroup, out var list))
+                {
+                    list = new List<ItemData>();
+                    stockByGroup[data.ProductGroup] = list;
+                }
+                list.Add(data);
+            }
+
+            if (stockByGroup.Count == 0)
+            {
+                Debug.LogWarning("[MissionGenerator] 씬에 유효한 상품이 없습니다");
+                return;
+            }
+
+            // 2. 사용 가능한 그룹 풀에서 미션 개수만큼 무작위 선택
+            var groupPool = new List<ProductGroup>(stockByGroup.Keys);
+            Shuffle(groupPool);
+
+            int desiredCount = Random.Range(_minMissionCount, _maxMissionCount + 1);
+            int missionCount = Mathf.Min(desiredCount, groupPool.Count);
+
+            // 3. 각 그룹별로 (재고로 클램프된) 수량 부여 + 최저가 기준 최적 비용 누적
+            var entries = new List<ShoppingOrderEntry>(missionCount);
+            int optimalCost = 0;
+
+            for (int i = 0; i < missionCount; i++)
+            {
+                var group = groupPool[i];
+                var stock = stockByGroup[group];
+
+                int maxQty = Mathf.Min(_maxQuantityPerEntry, stock.Count);
+                int qty = Random.Range(1, maxQty + 1);
+
+                int cheapestPrice = int.MaxValue;
+                foreach (var data in stock)
+                {
+                    if (data.FinalPrice < cheapestPrice) cheapestPrice = data.FinalPrice;
+                }
+
+                entries.Add(new ShoppingOrderEntry(group, qty));
+                optimalCost += cheapestPrice * qty;
+            }
+
+            // 4. 런타임 ShoppingOrderList 생성 후 뷰에 주입
+            var runtimeList = ScriptableObject.CreateInstance<ShoppingOrderList>();
+            runtimeList.name = "ShoppingOrderList (Runtime)";
+            runtimeList.SetEntries(entries);
+            _orderView.SetOrderList(runtimeList);
+
+            // 5. 예산 책정 (최적 비용 + 20~30% 마진)
+            float margin = Random.Range(_budgetMarginMin, _budgetMarginMax);
+            int budget = Mathf.CeilToInt(optimalCost * (1f + margin));
+            _wallet.SetBudget(budget);
+
+            Debug.Log($"[MissionGenerator] 미션 {missionCount}개 / 최적가 {optimalCost:N0} / 예산 {budget:N0} (+{margin * 100f:F0}%)");
+        }
+
+        private static void Shuffle<T>(IList<T> list)
+        {
+            for (int i = list.Count - 1; i > 0; i--)
+            {
+                int j = Random.Range(0, i + 1);
+                (list[i], list[j]) = (list[j], list[i]);
+            }
+        }
+    }
+}

Assets/02_Scripts/Shopping/MissionGenerator.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: beba3b48f8e8647409d75cef1950a419

Assets/02_Scripts/UI/ShoppingOrderView.cs

@@ -20,6 +20,13 @@ private void Start()
             Rebuild();
         }
 
+        // 런타임에 미션 목록 교체 (MissionGenerator에서 호출)
+        public void SetOrderList(ShoppingOrderList orderList)
+        {
+            _orderList = orderList;
+            Rebuild();
+        }
+
         public void Rebuild()
         {
             if (_orderList == null || _rowPrefab == null || _rowContainer == null) return;