为 RepoForm 添加出售功能，ShopNode 只承载玩家购买组件的逻辑

2026-03-16 17:52:23 +08:00
parent dc2aa59d58
commit 2e54acbc85
33 changed files with 3198 additions and 91 deletions
@@ -123,18 +123,7 @@ namespace GeometryTD.CustomComponent

        private int ResolveRandomPrice(RarityType rarity, Random random)
        {
-            for (int i = 0; i < _shopPriceRows.Count; i++)
-            {
-                DRShopPrice row = _shopPriceRows[i];
-                if (row != null && row.Rarity == rarity)
-                {
-                    int min = Mathf.Max(0, row.MinPrice);
-                    int max = Mathf.Max(min, row.MaxPrice);
-                    return random.Next(min, max + 1);
-                }
-            }
-
-            return 0;
+            return ShopPriceRuleService.ResolveRandomBuyPrice(_shopPriceRows, rarity, random);
        }

        private static IconAreaContext BuildIconAreaContext(TowerCompItemData item)
@@ -14,6 +14,7 @@ namespace GeometryTD.CustomComponent
        private PlayerInventoryCommandModel _commandModel;
        private PlayerInventoryTowerRosterService _towerRosterService;
        private PlayerInventoryTowerAssemblyService _towerAssemblyService;
+        private PlayerInventoryTradeService _tradeService;

        public int Gold
        {
@@ -100,6 +101,12 @@ namespace GeometryTD.CustomComponent
            return _commandModel.TryConsumeGold(costGold);
        }

+        public bool TryPurchaseComponent(TowerCompItemData item, int price)
+        {
+            EnsureInitialized();
+            return _tradeService.TryPurchaseComponent(item, price);
+        }
+
        public void AddGold(int gainGold)
        {
            EnsureInitialized();
@@ -138,6 +145,18 @@ namespace GeometryTD.CustomComponent
            return _towerRosterService.ReduceTowerEndurance(towerInstanceIds, enduranceLoss);
        }

+        public bool TryGetSaleCandidate(long itemId, out PlayerInventorySaleCandidate candidate)
+        {
+            EnsureInitialized();
+            return _tradeService.TryGetSaleCandidate(itemId, out candidate);
+        }
+
+        public bool TrySellItems(IReadOnlyCollection<long> itemIds, out PlayerInventorySaleResult result)
+        {
+            EnsureInitialized();
+            return _tradeService.TrySellItems(itemIds, out result);
+        }
+
        private void EnsureInitialized()
        {
            if (_queryModel.IsInitialized)
@@ -155,6 +174,7 @@ namespace GeometryTD.CustomComponent
            _commandModel ??= new PlayerInventoryCommandModel(_state);
            _towerRosterService ??= new PlayerInventoryTowerRosterService(_queryModel, MaxParticipantTowerCount);
            _towerAssemblyService ??= new PlayerInventoryTowerAssemblyService(_queryModel, _commandModel);
+            _tradeService ??= new PlayerInventoryTradeService(_queryModel, _commandModel);
        }
    }
 }
@@ -0,0 +1,400 @@
+using System.Collections.Generic;
+using GameFramework.DataTable;
+using GeometryTD.CustomUtility;
+using GeometryTD.DataTable;
+using GeometryTD.Definition;
+using UnityEngine;
+
+namespace GeometryTD.CustomComponent
+{
+    public enum PlayerInventorySaleFailureReason : byte
+    {
+        None = 0,
+        InvalidSelection = 1,
+        ItemNotFound = 2,
+        AssembledComponent = 3,
+        ParticipantTower = 4,
+        MissingTowerComponent = 5
+    }
+
+    public sealed class PlayerInventorySaleCandidate
+    {
+        public long ItemId;
+        public bool IsSellable;
+        public bool IsTower;
+        public int Price;
+        public PlayerInventorySaleFailureReason FailureReason;
+    }
+
+    public sealed class PlayerInventorySaleResult
+    {
+        public int GainedGold;
+        public int SoldComponentCount;
+        public int SoldTowerCount;
+        public PlayerInventorySaleFailureReason FailureReason;
+
+        public bool IsSuccess => FailureReason == PlayerInventorySaleFailureReason.None;
+        public int SoldItemCount => SoldComponentCount + SoldTowerCount;
+    }
+
+    public sealed class PlayerInventoryTradeService
+    {
+        private readonly PlayerInventoryQueryModel _queryModel;
+        private readonly PlayerInventoryCommandModel _commandModel;
+        private IDataTable<DRShopPrice> _shopPriceTable;
+
+        public PlayerInventoryTradeService(
+            PlayerInventoryQueryModel queryModel,
+            PlayerInventoryCommandModel commandModel,
+            IDataTable<DRShopPrice> shopPriceTable = null)
+        {
+            _queryModel = queryModel;
+            _commandModel = commandModel;
+            _shopPriceTable = shopPriceTable;
+        }
+
+        public bool TryPurchaseComponent(TowerCompItemData item, int price)
+        {
+            if (item == null)
+            {
+                return false;
+            }
+
+            if (!_commandModel.TryConsumeGold(price))
+            {
+                return false;
+            }
+
+            BackpackInventoryData inventoryDelta = WrapSingleItem(item);
+            PlayerInventoryMergeSummary summary = _commandModel.MergeInventory(inventoryDelta);
+            return summary.HasAnyGain;
+        }
+
+        public bool TryGetSaleCandidate(long itemId, out PlayerInventorySaleCandidate candidate)
+        {
+            candidate = BuildSaleCandidate(itemId);
+            return candidate != null;
+        }
+
+        public bool TrySellItems(IReadOnlyCollection<long> itemIds, out PlayerInventorySaleResult result)
+        {
+            result = new PlayerInventorySaleResult();
+            if (itemIds == null || itemIds.Count <= 0)
+            {
+                result.FailureReason = PlayerInventorySaleFailureReason.InvalidSelection;
+                return false;
+            }
+
+            HashSet<long> uniqueIds = new HashSet<long>();
+            List<PlayerInventorySaleCandidate> candidates = new List<PlayerInventorySaleCandidate>(itemIds.Count);
+            foreach (long itemId in itemIds)
+            {
+                if (itemId <= 0 || !uniqueIds.Add(itemId))
+                {
+                    continue;
+                }
+
+                PlayerInventorySaleCandidate candidate = BuildSaleCandidate(itemId);
+                if (candidate == null || !candidate.IsSellable)
+                {
+                    result.FailureReason = candidate?.FailureReason ?? PlayerInventorySaleFailureReason.ItemNotFound;
+                    return false;
+                }
+
+                candidates.Add(candidate);
+            }
+
+            if (candidates.Count <= 0)
+            {
+                result.FailureReason = PlayerInventorySaleFailureReason.InvalidSelection;
+                return false;
+            }
+
+            BackpackInventoryData inventory = _queryModel.Inventory;
+            for (int i = 0; i < candidates.Count; i++)
+            {
+                PlayerInventorySaleCandidate candidate = candidates[i];
+                if (candidate.IsTower)
+                {
+                    if (!TryRemoveTower(inventory, candidate.ItemId))
+                    {
+                        result.FailureReason = PlayerInventorySaleFailureReason.MissingTowerComponent;
+                        return false;
+                    }
+
+                    result.SoldTowerCount++;
+                }
+                else
+                {
+                    if (!TryRemoveComponent(inventory, candidate.ItemId))
+                    {
+                        result.FailureReason = PlayerInventorySaleFailureReason.ItemNotFound;
+                        return false;
+                    }
+
+                    result.SoldComponentCount++;
+                }
+
+                result.GainedGold += Mathf.Max(0, candidate.Price);
+            }
+
+            _commandModel.AddGold(result.GainedGold);
+            result.FailureReason = PlayerInventorySaleFailureReason.None;
+            return true;
+        }
+
+        private PlayerInventorySaleCandidate BuildSaleCandidate(long itemId)
+        {
+            if (itemId <= 0)
+            {
+                return new PlayerInventorySaleCandidate
+                {
+                    ItemId = itemId,
+                    IsSellable = false,
+                    FailureReason = PlayerInventorySaleFailureReason.InvalidSelection
+                };
+            }
+
+            BackpackInventoryData inventory = _queryModel.Inventory;
+            if (inventory == null)
+            {
+                return new PlayerInventorySaleCandidate
+                {
+                    ItemId = itemId,
+                    IsSellable = false,
+                    FailureReason = PlayerInventorySaleFailureReason.ItemNotFound
+                };
+            }
+
+            if (_queryModel.TryGetTowerById(itemId, out TowerItemData tower) && tower != null)
+            {
+                if (inventory.ParticipantTowerInstanceIds != null && inventory.ParticipantTowerInstanceIds.Contains(itemId))
+                {
+                    return new PlayerInventorySaleCandidate
+                    {
+                        ItemId = itemId,
+                        IsSellable = false,
+                        IsTower = true,
+                        FailureReason = PlayerInventorySaleFailureReason.ParticipantTower
+                    };
+                }
+
+                if (!ShopPriceRuleService.TryResolveTowerSalePrice(tower, inventory, out int towerPrice, EnsureShopPriceTable()))
+                {
+                    return new PlayerInventorySaleCandidate
+                    {
+                        ItemId = itemId,
+                        IsSellable = false,
+                        IsTower = true,
+                        FailureReason = PlayerInventorySaleFailureReason.MissingTowerComponent
+                    };
+                }
+
+                return new PlayerInventorySaleCandidate
+                {
+                    ItemId = itemId,
+                    IsSellable = true,
+                    IsTower = true,
+                    Price = towerPrice,
+                    FailureReason = PlayerInventorySaleFailureReason.None
+                };
+            }
+
+            if (TryGetComponentById(inventory.MuzzleComponents, itemId, out MuzzleCompItemData muzzleComp))
+            {
+                return BuildComponentCandidate(muzzleComp);
+            }
+
+            if (TryGetComponentById(inventory.BearingComponents, itemId, out BearingCompItemData bearingComp))
+            {
+                return BuildComponentCandidate(bearingComp);
+            }
+
+            if (TryGetComponentById(inventory.BaseComponents, itemId, out BaseCompItemData baseComp))
+            {
+                return BuildComponentCandidate(baseComp);
+            }
+
+            return new PlayerInventorySaleCandidate
+            {
+                ItemId = itemId,
+                IsSellable = false,
+                FailureReason = PlayerInventorySaleFailureReason.ItemNotFound
+            };
+        }
+
+        private PlayerInventorySaleCandidate BuildComponentCandidate(TowerCompItemData component)
+        {
+            if (component == null)
+            {
+                return new PlayerInventorySaleCandidate
+                {
+                    IsSellable = false,
+                    FailureReason = PlayerInventorySaleFailureReason.ItemNotFound
+                };
+            }
+
+            if (component.IsAssembledIntoTower)
+            {
+                return new PlayerInventorySaleCandidate
+                {
+                    ItemId = component.InstanceId,
+                    IsSellable = false,
+                    FailureReason = PlayerInventorySaleFailureReason.AssembledComponent
+                };
+            }
+
+            return new PlayerInventorySaleCandidate
+            {
+                ItemId = component.InstanceId,
+                IsSellable = true,
+                IsTower = false,
+                Price = ShopPriceRuleService.ResolveComponentSalePrice(component, EnsureShopPriceTable()),
+                FailureReason = PlayerInventorySaleFailureReason.None
+            };
+        }
+
+        private bool TryRemoveTower(BackpackInventoryData inventory, long towerId)
+        {
+            if (inventory?.Towers == null || towerId <= 0)
+            {
+                return false;
+            }
+
+            TowerItemData targetTower = null;
+            for (int i = 0; i < inventory.Towers.Count; i++)
+            {
+                TowerItemData tower = inventory.Towers[i];
+                if (tower != null && tower.InstanceId == towerId)
+                {
+                    targetTower = tower;
+                    break;
+                }
+            }
+
+            if (targetTower == null)
+            {
+                return false;
+            }
+
+            if (!ContainsInstanceId(inventory.MuzzleComponents, targetTower.MuzzleComponentInstanceId) ||
+                !ContainsInstanceId(inventory.BearingComponents, targetTower.BearingComponentInstanceId) ||
+                !ContainsInstanceId(inventory.BaseComponents, targetTower.BaseComponentInstanceId))
+            {
+                return false;
+            }
+
+            bool removedMuzzle = RemoveByInstanceId(inventory.MuzzleComponents, targetTower.MuzzleComponentInstanceId);
+            bool removedBearing = RemoveByInstanceId(inventory.BearingComponents, targetTower.BearingComponentInstanceId);
+            bool removedBase = RemoveByInstanceId(inventory.BaseComponents, targetTower.BaseComponentInstanceId);
+            if (!removedMuzzle || !removedBearing || !removedBase)
+            {
+                return false;
+            }
+
+            inventory.Towers.Remove(targetTower);
+            inventory.ParticipantTowerInstanceIds?.Remove(towerId);
+            return true;
+        }
+
+        private static bool TryRemoveComponent(BackpackInventoryData inventory, long itemId)
+        {
+            return RemoveByInstanceId(inventory?.MuzzleComponents, itemId) ||
+                   RemoveByInstanceId(inventory?.BearingComponents, itemId) ||
+                   RemoveByInstanceId(inventory?.BaseComponents, itemId);
+        }
+
+        private static bool RemoveByInstanceId<TItem>(List<TItem> items, long instanceId)
+            where TItem : class
+        {
+            if (items == null || instanceId <= 0)
+            {
+                return false;
+            }
+
+            for (int i = 0; i < items.Count; i++)
+            {
+                switch (items[i])
+                {
+                    case TowerCompItemData component when component.InstanceId == instanceId:
+                        items.RemoveAt(i);
+                        return true;
+                    case TowerItemData tower when tower.InstanceId == instanceId:
+                        items.RemoveAt(i);
+                        return true;
+                }
+            }
+
+            return false;
+        }
+
+        private static bool ContainsInstanceId<TItem>(IReadOnlyList<TItem> items, long instanceId)
+            where TItem : class
+        {
+            if (items == null || instanceId <= 0)
+            {
+                return false;
+            }
+
+            for (int i = 0; i < items.Count; i++)
+            {
+                switch (items[i])
+                {
+                    case TowerCompItemData component when component.InstanceId == instanceId:
+                        return true;
+                    case TowerItemData tower when tower.InstanceId == instanceId:
+                        return true;
+                }
+            }
+
+            return false;
+        }
+
+        private static bool TryGetComponentById<TComp>(IReadOnlyList<TComp> items, long instanceId, out TComp result)
+            where TComp : TowerCompItemData
+        {
+            result = null;
+            if (items == null || instanceId <= 0)
+            {
+                return false;
+            }
+
+            for (int i = 0; i < items.Count; i++)
+            {
+                TComp item = items[i];
+                if (item != null && item.InstanceId == instanceId)
+                {
+                    result = item;
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        private static BackpackInventoryData WrapSingleItem(TowerCompItemData item)
+        {
+            BackpackInventoryData inventory = new BackpackInventoryData();
+            switch (item)
+            {
+                case MuzzleCompItemData muzzleComp:
+                    inventory.MuzzleComponents.Add(InventoryCloneUtility.CloneMuzzleComp(muzzleComp));
+                    break;
+                case BearingCompItemData bearingComp:
+                    inventory.BearingComponents.Add(InventoryCloneUtility.CloneBearingComp(bearingComp));
+                    break;
+                case BaseCompItemData baseComp:
+                    inventory.BaseComponents.Add(InventoryCloneUtility.CloneBaseComp(baseComp));
+                    break;
+            }
+
+            return inventory;
+        }
+
+        private IDataTable<DRShopPrice> EnsureShopPriceTable()
+        {
+            _shopPriceTable ??= GameEntry.DataTable.GetDataTable<DRShopPrice>();
+            return _shopPriceTable;
+        }
+    }
+}
@@ -0,0 +1,11 @@
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