补充参战防御塔进入战斗逻辑

- 将 Inventory 中参战的防御塔数据传递到 CombatSelectForm 中
- 为防御塔的图标展示添加 TowerRepoItem 与 TowerIconArea 适配防御塔的三层 Image

Assets/GameMain/Entities/TowerEntity.prefab

@@ -76,7 +76,7 @@ SpriteRenderer:
   m_SortingOrder: 2
   m_Sprite: {fileID: 7482667652216324306, guid: 5ba74e3a185274149b15c24b321bead2,
     type: 3}
-  m_Color: {r: 1, g: 0.40566027, b: 0.40566027, a: 1}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_FlipX: 0
   m_FlipY: 0
   m_DrawMode: 0
@@ -103,6 +103,7 @@ MonoBehaviour:
   _bulletTypeId: 501
   _muzzlePoint: {fileID: 7637292285124107611}
   _bulletSpeed: 12
+  _renderer: {fileID: 7170949026143225663}
 --- !u!1 &1221576993898367501
 GameObject:
   m_ObjectHideFlags: 0
@@ -113,7 +114,6 @@ GameObject:
   m_Component:
   - component: {fileID: 6791423131335728073}
   - component: {fileID: 8183383920109690380}
-  - component: {fileID: 3255949411223456789}
   - component: {fileID: 4014432302095443276}
   m_Layer: 0
   m_Name: TowerEntity
@@ -160,18 +160,6 @@ MonoBehaviour:
   _attackRangeLineWidth: 0.08
   _attackRangeColor: {r: 0.1, g: 1, b: 0.4, a: 0.8}
   _attackRangeZOffset: -0.01
---- !u!114 &3255949411223456789
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 1221576993898367501}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: d87f56efd9024709a3baf8ef8a6f4fd3, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
 --- !u!120 &4014432302095443276
 LineRenderer:
   serializedVersion: 2
@@ -379,6 +367,7 @@ MonoBehaviour:
   _attackRange: 5
   _aimToleranceAngle: 2
   _rotateRoot: {fileID: 5517541809701307552}
+  _renderer: {fileID: 7775658596736532582}
 --- !u!1 &4867507345079921359
 GameObject:
   m_ObjectHideFlags: 0
@@ -456,7 +445,7 @@ SpriteRenderer:
   m_SortingOrder: 0
   m_Sprite: {fileID: 7482667652216324306, guid: 80a3790c48fc91d4ebcb4d7e2efbb8c8,
     type: 3}
-  m_Color: {r: 0.3584906, g: 0.3584906, b: 0.3584906, a: 1}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_FlipX: 0
   m_FlipY: 0
   m_DrawMode: 0
@@ -480,3 +469,4 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   _attackSpeed: 1
   _attackPropertyType: 1
+  _renderer: {fileID: 6516390239457838709}

Assets/GameMain/Scripts/Components/BasicBaseComp.cs

@@ -7,8 +7,11 @@ namespace Components
     public class BasicBaseComp : MonoBehaviour
     {
         [SerializeField] [Min(0.01f)] private float _attackSpeed = 1f;
+
         [SerializeField] private AttackPropertyType _attackPropertyType = AttackPropertyType.Physics;
 
+        [SerializeField] private SpriteRenderer _renderer;
+
         private float _cooldownRemaining;
 
         public float AttackSpeed => _attackSpeed;
@@ -29,6 +32,14 @@ namespace Components
             _cooldownRemaining = 0f;
         }
 
+        public void SetColor(Color color)
+        {
+            if (_renderer != null)
+            {
+                _renderer.color = color;
+            }
+        }
+
         public void Tick(float deltaTime)
         {
             if (_cooldownRemaining <= 0f)

Assets/GameMain/Scripts/Components/BasicBearingComp.cs

@@ -6,10 +6,15 @@ namespace Components
     public class BasicBearingComp : MonoBehaviour
     {
         [SerializeField] [Min(1f)] private float _rotateSpeed = 180f;
+
         [SerializeField] [Min(0.1f)] private float _attackRange = 5f;
+
         [SerializeField] [Min(0.1f)] private float _aimToleranceAngle = 2f;
+
         [SerializeField] private Transform _rotateRoot;
 
+        [SerializeField] private SpriteRenderer _renderer;
+
         public float RotateSpeed => _rotateSpeed;
         public float AttackRange => _attackRange;
         public float AimToleranceAngle => _aimToleranceAngle;
@@ -26,6 +31,14 @@ namespace Components
             _attackRange = 5f;
         }
 
+        public void SetColor(Color color)
+        {
+            if (_renderer != null)
+            {
+                _renderer.color = color;
+            }
+        }
+
         public bool IsTargetInRange(Transform target, Transform origin = null)
         {
             if (target == null)

Assets/GameMain/Scripts/Components/ShooterMuzzleComp.cs

@@ -9,11 +9,17 @@ namespace Components
     public class ShooterMuzzleComp : MonoBehaviour
     {
         [SerializeField] [Min(1f)] private int _attackDamage = 100;
+
         [SerializeField] private AttackMethodType _attackMethodType = AttackMethodType.NormalBullet;
+
         [SerializeField] [Min(1)] private int _bulletTypeId = 501;
+
         [SerializeField] private Transform _muzzlePoint;
+
         [SerializeField] [Min(0.1f)] private float _bulletSpeed = 12f;
 
+        [SerializeField] private SpriteRenderer _renderer;
+
         public int AttackDamage => _attackDamage;
         public AttackMethodType AttackMethodType => _attackMethodType;
 
@@ -31,6 +37,14 @@ namespace Components
             _bulletTypeId = 501;
         }
 
+        public void SetColor(Color color)
+        {
+            if (_renderer != null)
+            {
+                _renderer.color = color;
+            }
+        }
+
         public bool Attack(Transform target)
         {
             return Attack(target, AttackPropertyType.None);

Assets/GameMain/Scripts/Components/TowerController.cs

@@ -10,7 +10,8 @@ namespace Components
         private const string AttackRangeIndicatorObjectName = "AttackRangeIndicator";
         private const int MinTowerLevel = 0;
         private const int MaxTowerLevel = 4;
-        private static Material s_AttackRangeSharedMaterial;
+
+        private static Material _attackRangeSharedMaterial;
 
         [SerializeField] private ShooterMuzzleComp _muzzleComp;
         [SerializeField] private BasicBearingComp _bearingComp;
@@ -27,6 +28,9 @@ namespace Components
         private float _retargetTimer;
         private float _attackRange;
         private int _towerLevel;
+        private Color _muzzleColor = Color.white;
+        private Color _bearingColor = Color.white;
+        private Color _baseColor = Color.white;
 
         public Transform CurrentTarget => _currentTarget;
 
@@ -40,6 +44,12 @@ namespace Components
             OnInit(stats, MinTowerLevel);
         }
 
+        public void OnInit(TowerStatsData stats, int towerLevel, Color muzzleColor, Color bearingColor, Color baseColor)
+        {
+            SetComponentColors(muzzleColor, bearingColor, baseColor);
+            OnInit(stats, towerLevel);
+        }
+
         public void OnInit(TowerStatsData stats, int towerLevel)
         {
             ResolveComponents();
@@ -57,6 +67,7 @@ namespace Components
             _muzzleComp?.OnInit(attackDamage, stats.AttackMethodType);
             _bearingComp?.OnInit(rotateSpeed, attackRange);
             _baseComp?.OnInit(attackSpeed, stats.AttackPropertyType);
+            ApplyComponentColors();
             SetAttackRange(attackRange);
             SetAttackRangeVisible(false);
             _currentTarget = null;
@@ -90,6 +101,14 @@ namespace Components
             RebuildAttackRangeGeometry();
         }
 
+        public void SetComponentColors(Color muzzleColor, Color bearingColor, Color baseColor)
+        {
+            _muzzleColor = muzzleColor;
+            _bearingColor = bearingColor;
+            _baseColor = baseColor;
+            ApplyComponentColors();
+        }
+
         public void SetTarget(Transform target)
         {
             _currentTarget = target;
@@ -141,9 +160,9 @@ namespace Components
 
             EnemyEntity bestEnemy = null;
             float bestDistanceSquared = float.MaxValue;
-            for (int i = 0; i < EnemyEntity.ActiveEnemies.Count; i++)
+
+            foreach (var enemy in EnemyEntity.ActiveEnemies)
             {
-                EnemyEntity enemy = EnemyEntity.ActiveEnemies[i];
                 if (enemy == null || !enemy.isActiveAndEnabled)
                 {
                     continue;
@@ -164,6 +183,13 @@ namespace Components
             return bestEnemy != null ? bestEnemy.transform : null;
         }
 
+        private void ApplyComponentColors()
+        {
+            _muzzleComp?.SetColor(_muzzleColor);
+            _bearingComp?.SetColor(_bearingColor);
+            _baseComp?.SetColor(_baseColor);
+        }
+
         private void ResolveComponents()
         {
             if (_muzzleComp == null)
@@ -181,6 +207,7 @@ namespace Components
                 _baseComp = GetComponent<BasicBaseComp>();
             }
 
+            ApplyComponentColors();
             EnsureAttackRangeRenderer();
         }
 
@@ -250,18 +277,18 @@ namespace Components
             _attackRangeRenderer.allowOcclusionWhenDynamic = false;
             _attackRangeRenderer.enabled = false;
 
-            if (s_AttackRangeSharedMaterial == null)
+            if (_attackRangeSharedMaterial == null)
             {
                 Shader lineShader = Shader.Find("Sprites/Default");
                 if (lineShader != null)
                 {
-                    s_AttackRangeSharedMaterial = new Material(lineShader);
+                    _attackRangeSharedMaterial = new Material(lineShader);
                 }
             }
 
-            if (s_AttackRangeSharedMaterial != null)
+            if (_attackRangeSharedMaterial != null)
             {
-                _attackRangeRenderer.sharedMaterial = s_AttackRangeSharedMaterial;
+                _attackRangeRenderer.sharedMaterial = _attackRangeSharedMaterial;
             }
         }
 

Assets/GameMain/Scripts/CustomComponent/CombatNode/CombatNodeComponent.cs

@@ -23,6 +23,7 @@ namespace GeometryTD.CustomComponent
         private readonly Dictionary<int, List<DRLevelSpawnEntry>> _spawnEntriesByPhaseId = new();
         private readonly Dictionary<int, IReadOnlyList<DRLevelSpawnEntry>> _selectedSpawnEntriesByPhaseId = new();
         private readonly List<int> _levelIdBuffer = new();
+        private readonly List<TowerStatsData> _currentBuildTowerStats = new();
         private readonly CombatScheduler _combatScheduler = new CombatScheduler();
 
         private bool _runtimeInitialized;
@@ -39,6 +40,7 @@ namespace GeometryTD.CustomComponent
         public int CurrentBaseHp => _currentBaseHp;
         public bool LastCombatSucceeded => _lastCombatSucceeded;
         public bool CanEndCombat => _combatScheduler.CanEndCombat;
+        public int CurrentBuildTowerCount => _currentBuildTowerStats.Count;
         public int LastDefeatedEnemyCount { get; private set; }
         public int LastGainedCoin { get; private set; }
         public int LastGainedGold { get; private set; }
@@ -88,6 +90,7 @@ namespace GeometryTD.CustomComponent
             _spawnEntriesByPhaseId.Clear();
             _selectedSpawnEntriesByPhaseId.Clear();
             _levelIdBuffer.Clear();
+            _currentBuildTowerStats.Clear();
 
             IDataTable<DRLevel> dtLevel = GameEntry.DataTable.GetDataTable<DRLevel>();
             IDataTable<DRLevelPhase> dtLevelPhase = GameEntry.DataTable.GetDataTable<DRLevelPhase>();
@@ -181,6 +184,7 @@ namespace GeometryTD.CustomComponent
 
         public void StartCombat()
         {
+            _currentBuildTowerStats.Clear();
             if (!EnsureCombatRuntimeInitialized())
             {
                 Log.Warning("CombatNodeComponent start failed. Missing scheduler runtime.");
@@ -216,6 +220,7 @@ namespace GeometryTD.CustomComponent
             }
 
             CurrentLevel = selectedLevel;
+            CacheBuildTowerStatsSnapshot();
             _isCombatActive = false;
             _currentCoin = Mathf.Max(0, selectedLevel.StartCoin);
             _currentGold = 0;
@@ -230,6 +235,7 @@ namespace GeometryTD.CustomComponent
                 _currentCoin = 0;
                 _currentGold = 0;
                 _currentBaseHp = 0;
+                _currentBuildTowerStats.Clear();
                 return;
             }
 
@@ -252,6 +258,7 @@ namespace GeometryTD.CustomComponent
             _currentGold = 0;
             _currentBaseHp = 0;
             CurrentLevel = null;
+            _currentBuildTowerStats.Clear();
             GameEntry.Event.Fire(this, NodeCompleteEventArgs.Create());
         }
 
@@ -281,6 +288,7 @@ namespace GeometryTD.CustomComponent
             LastDefeatedEnemyCount = 0;
             LastGainedCoin = 0;
             LastGainedGold = 0;
+            _currentBuildTowerStats.Clear();
             ShutdownCombatRuntime();
         }
 
@@ -341,6 +349,18 @@ namespace GeometryTD.CustomComponent
             return true;
         }
 
+        public bool TryGetBuildTowerStats(int buildIndex, out TowerStatsData stats)
+        {
+            stats = null;
+            if (buildIndex < 0 || buildIndex >= _currentBuildTowerStats.Count)
+            {
+                return false;
+            }
+
+            stats = CloneTowerStats(_currentBuildTowerStats[buildIndex]);
+            return stats != null;
+        }
+
         public void AddCoin(int coin)
         {
             int gainCoin = Mathf.Max(0, coin);
@@ -353,6 +373,54 @@ namespace GeometryTD.CustomComponent
             FireCoinChangedEventIfNeeded();
         }
 
+        
+        private void CacheBuildTowerStatsSnapshot()
+        {
+            _currentBuildTowerStats.Clear();
+            if (GameEntry.PlayerInventory == null)
+            {
+                return;
+            }
+
+            IReadOnlyList<TowerItemData> towers = GameEntry.PlayerInventory.GetParticipantTowerSnapshot();
+            if (towers == null || towers.Count <= 0)
+            {
+                return;
+            }
+
+            for (int i = 0; i < towers.Count; i++)
+            {
+                TowerItemData tower = towers[i];
+                TowerStatsData clonedStats = CloneTowerStats(tower?.Stats);
+                if (clonedStats == null)
+                {
+                    continue;
+                }
+
+                _currentBuildTowerStats.Add(clonedStats);
+            }
+        }
+
+        private static TowerStatsData CloneTowerStats(TowerStatsData source)
+        {
+            if (source == null)
+            {
+                return null;
+            }
+
+            return new TowerStatsData
+            {
+                AttackDamage = source.AttackDamage != null ? (int[])source.AttackDamage.Clone() : null,
+                DamageRandomRate = source.DamageRandomRate,
+                RotateSpeed = source.RotateSpeed != null ? (float[])source.RotateSpeed.Clone() : null,
+                AttackRange = source.AttackRange != null ? (float[])source.AttackRange.Clone() : null,
+                AttackSpeed = source.AttackSpeed != null ? (float[])source.AttackSpeed.Clone() : null,
+                AttackMethodType = source.AttackMethodType,
+                AttackPropertyType = source.AttackPropertyType,
+                Tags = source.Tags != null ? (TagType[])source.Tags.Clone() : null
+            };
+        }
+
         private void OnDestroy()
         {
             OnShutdown();
@@ -437,3 +505,5 @@ namespace GeometryTD.CustomComponent
         }
     }
 }
+
+

Assets/GameMain/Scripts/CustomComponent/PlayerInventory/PlayerInventoryComponent.cs

@@ -1,4 +1,5 @@
-using GeometryTD.CustomUtility;
+using System.Collections.Generic;
+using GeometryTD.CustomUtility;
 using GeometryTD.Definition;
 using UnityGameFramework.Runtime;
 
@@ -44,6 +45,31 @@ namespace GeometryTD.CustomComponent
             return _queryModel.GetSnapshot();
         }
 
+        public IReadOnlyList<TowerItemData> GetParticipantTowerSnapshot()
+        {
+            EnsureInitialized();
+
+            BackpackInventoryData inventory = _queryModel.Inventory;
+            if (inventory?.ParticipantTowerInstanceIds == null || inventory.ParticipantTowerInstanceIds.Count <= 0)
+            {
+                return new List<TowerItemData>();
+            }
+
+            List<TowerItemData> result = new List<TowerItemData>(inventory.ParticipantTowerInstanceIds.Count);
+            for (int i = 0; i < inventory.ParticipantTowerInstanceIds.Count && result.Count < MaxParticipantTowerCount; i++)
+            {
+                long towerId = inventory.ParticipantTowerInstanceIds[i];
+                if (!_queryModel.TryGetTowerById(towerId, out TowerItemData tower) || tower == null)
+                {
+                    continue;
+                }
+
+                result.Add(InventoryCloneUtility.CloneTower(tower));
+            }
+
+            return result;
+        }
+
         public void MergeInventory(BackpackInventoryData gainedInventory)
         {
             EnsureInitialized();
@@ -126,3 +152,4 @@ namespace GeometryTD.CustomComponent
         }
     }
 }
+

Assets/GameMain/Scripts/Definition/DataStruct/BackpackInventoryData.cs

@@ -34,6 +34,9 @@ namespace GeometryTD.Definition
         /// </summary>
         public List<TowerItemData> Towers { get; set; } = new List<TowerItemData>();
 
+        /// <summary>
+        /// 参与战斗的防御塔 Id。
+        /// </summary>
         public List<long> ParticipantTowerInstanceIds { get; set; } = new List<long>();
     }
 }

Assets/GameMain/Scripts/Definition/DataStruct/TowerItemData.cs

@@ -1,4 +1,6 @@
 using System;
+using Newtonsoft.Json;
+using UnityEngine;
 
 namespace GeometryTD.Definition
 {
@@ -41,7 +43,7 @@ namespace GeometryTD.Definition
         public RarityType Rarity { get; set; }
 
         public bool IsParticipatingInCombat { get; set; }
-        
+
         /// <summary>
         /// 构成该防御塔的枪口组件实例 Id。
         /// </summary>
@@ -61,5 +63,9 @@ namespace GeometryTD.Definition
         /// 防御塔独立属性，不依赖组件对象引用。
         /// </summary>
         public TowerStatsData Stats { get; set; } = new TowerStatsData();
+
+        [JsonIgnore] public Sprite ComposedIconSprite { get; set; }
+
+        [JsonIgnore] public string ComposedIconKey { get; set; }
     }
-}
+}

Assets/GameMain/Scripts/Entity/EntityData/TowerData.cs

@@ -9,15 +9,22 @@ namespace GeometryTD.Entity.EntityData
     {
         [SerializeField] private TowerStatsData _stats = new TowerStatsData();
         [SerializeField] private int _towerLevel = 0;
+        [SerializeField] private Color _muzzleColor = Color.white;
+        [SerializeField] private Color _bearingColor = Color.white;
+        [SerializeField] private Color _baseColor = Color.white;
 
         public TowerData(int entityId, int typeId, Vector3 position, Quaternion rotation,
-            TowerStatsData stats, int towerLevel = 0)
+            TowerStatsData stats, int towerLevel = 0, Color? muzzleColor = null, Color? bearingColor = null,
+            Color? baseColor = null)
             : base(entityId, typeId)
         {
             Position = position;
             Rotation = rotation;
             _stats = stats ?? new TowerStatsData();
             _towerLevel = Mathf.Max(0, towerLevel);
+            _muzzleColor = muzzleColor ?? Color.white;
+            _bearingColor = bearingColor ?? Color.white;
+            _baseColor = baseColor ?? Color.white;
         }
 
         public TowerStatsData Stats
@@ -31,5 +38,23 @@ namespace GeometryTD.Entity.EntityData
             get => _towerLevel;
             set => _towerLevel = Mathf.Max(0, value);
         }
+
+        public Color MuzzleColor
+        {
+            get => _muzzleColor;
+            set => _muzzleColor = value;
+        }
+
+        public Color BearingColor
+        {
+            get => _bearingColor;
+            set => _bearingColor = value;
+        }
+
+        public Color BaseColor
+        {
+            get => _baseColor;
+            set => _baseColor = value;
+        }
     }
 }

Assets/GameMain/Scripts/Entity/EntityLogic/MapEntity.cs

@@ -1,5 +1,7 @@
 using System;
 using System.Collections.Generic;
+using GeometryTD.CustomComponent;
+using GeometryTD.CustomUtility;
 using GeometryTD.Map;
 using GeometryTD.Definition;
 using GeometryTD.Entity.EntityData;
@@ -14,12 +16,17 @@ namespace GeometryTD.Entity
     public class MapEntity : EntityBase
     {
         private const int DefaultTowerTypeId = 401;
+        
         private static readonly Spawner[] EmptySpawners = Array.Empty<Spawner>();
 
         [SerializeField] private bool _enableCombatSelectInput = true;
+        
         [SerializeField] private int _towerTypeId = DefaultTowerTypeId;
+        
         [SerializeField] private int[] _buildTowerCosts = { 40, 60, 60, 80 };
+        
         [SerializeField] private int _upgradeCost = 50;
+        
         [SerializeField] private int _destroyGain = 40;
 
         private MapDataRefs _mapDataRefs;
@@ -29,6 +36,8 @@ namespace GeometryTD.Entity
         private CombatSelectInputService _combatSelectInputService;
         private TowerPlacementService _towerPlacementService;
         private TowerSelectionPresenter _towerSelectionPresenter;
+        
+        private readonly BuildTowerVisualInfo[] _buildTowerVisualInfos = new BuildTowerVisualInfo[4];
 
         public IReadOnlyList<Vector3Int> PathCells => _mapTopologyService != null
             ? _mapTopologyService.PathCells
@@ -209,22 +218,38 @@ namespace GeometryTD.Entity
             }
 
             _combatSelectFormUseCase.SetCoinProvider(GetCurrentCoin);
+            BackpackInventoryData inventorySnapshot = GameEntry.PlayerInventory != null
+                ? GameEntry.PlayerInventory.GetInventorySnapshot()
+                : null;
+            IReadOnlyList<TowerItemData> participantTowers = GameEntry.PlayerInventory != null
+                ? GameEntry.PlayerInventory.GetParticipantTowerSnapshot()
+                : null;
+            Dictionary<long, MuzzleCompItemData> muzzleMap = BuildComponentMap(inventorySnapshot?.MuzzleComponents);
+            Dictionary<long, BearingCompItemData> bearingMap = BuildComponentMap(inventorySnapshot?.BearingComponents);
+            Dictionary<long, BaseCompItemData> baseMap = BuildComponentMap(inventorySnapshot?.BaseComponents);
 
+            int currentBuildTowerCount = GetCurrentBuildTowerCount();
             for (int i = 0; i < 4; i++)
             {
                 int buildIndex = i;
+                int buildCost = GetBuildTowerCost(buildIndex);
+                bool isBuildAvailable = buildIndex < currentBuildTowerCount;
+                BuildTowerVisualInfo buildVisual = ResolveBuildTowerVisual(participantTowers, buildIndex, muzzleMap, bearingMap, baseMap);
+                _buildTowerVisualInfos[buildIndex] = buildVisual;
                 _combatSelectFormUseCase.SetBuildAction(
                     buildIndex,
-                    () => TryBuildTower(buildIndex),
+                    isBuildAvailable ? () => TryBuildTower(buildIndex) : (Func<bool>)null,
-                    GetBuildTowerCost(buildIndex));
+                    buildCost,
+                    null,
+                    isBuildAvailable,
+                    buildVisual.BaseColor,
+                    buildVisual.BearingColor,
+                    buildVisual.MuzzleColor);
+                _combatSelectFormUseCase.SetBuildVisible(buildIndex, isBuildAvailable);
             }
 
-            _combatSelectFormUseCase.SetUpgradeAction(
+            _combatSelectFormUseCase.SetUpgradeAction(TryUpgradeTower, Mathf.Max(0, _upgradeCost));
-                TryUpgradeTower,
+            _combatSelectFormUseCase.SetDestroyAction(TryDestroyTower, Mathf.Max(0, _destroyGain));
-                Mathf.Max(0, _upgradeCost));
-            _combatSelectFormUseCase.SetDestroyAction(
-                TryDestroyTower,
-                Mathf.Max(0, _destroyGain));
         }
 
         private void HandleCombatSelectInput()
@@ -275,8 +300,18 @@ namespace GeometryTD.Entity
                 return false;
             }
 
+            CombatNodeComponent combatNode = GameEntry.CombatNode;
+            if (combatNode == null || !combatNode.TryGetBuildTowerStats(buildIndex, out TowerStatsData buildTowerStats))
+            {
+                return false;
+            }
+
+            BuildTowerVisualInfo buildVisual = buildIndex >= 0 && buildIndex < _buildTowerVisualInfos.Length
+                ? _buildTowerVisualInfos[buildIndex]
+                : BuildTowerVisualInfo.Default;
+
             if (!_towerPlacementService.TryBuildTower(selectedFoundationCell, IsFoundationCell, buildIndex, _buildTowerCosts,
-                    _towerTypeId, Tilemap, TryConsumeCoin, AddCoin, out int towerEntityId))
+                    buildTowerStats, buildVisual.MuzzleColor, buildVisual.BearingColor, buildVisual.BaseColor, _towerTypeId, Tilemap, TryConsumeCoin, AddCoin, out int towerEntityId))
             {
                 return false;
             }
@@ -350,6 +385,77 @@ namespace GeometryTD.Entity
             return Mathf.Max(0, _buildTowerCosts[buildIndex]);
         }
 
+        private static int GetCurrentBuildTowerCount()
+        {
+            if (GameEntry.CombatNode == null)
+            {
+                return 0;
+            }
+
+            return Mathf.Clamp(GameEntry.CombatNode.CurrentBuildTowerCount, 0, 4);
+        }
+
+
+        private static BuildTowerVisualInfo ResolveBuildTowerVisual(
+            IReadOnlyList<TowerItemData> participantTowers,
+            int buildIndex,
+            IReadOnlyDictionary<long, MuzzleCompItemData> muzzleMap,
+            IReadOnlyDictionary<long, BearingCompItemData> bearingMap,
+            IReadOnlyDictionary<long, BaseCompItemData> baseMap)
+        {
+            if (participantTowers == null || buildIndex < 0 || buildIndex >= participantTowers.Count)
+            {
+                return BuildTowerVisualInfo.Default;
+            }
+
+            TowerItemData tower = participantTowers[buildIndex];
+            if (tower == null)
+            {
+                return BuildTowerVisualInfo.Default;
+            }
+
+            Color muzzleColor = ResolveComponentColor(muzzleMap, tower.MuzzleComponentInstanceId);
+            Color bearingColor = ResolveComponentColor(bearingMap, tower.BearingComponentInstanceId);
+            Color baseColor = ResolveComponentColor(baseMap, tower.BaseComponentInstanceId);
+            return new BuildTowerVisualInfo(muzzleColor, bearingColor, baseColor);
+        }
+
+        private static Color ResolveComponentColor<TComp>(IReadOnlyDictionary<long, TComp> componentMap, long componentId)
+            where TComp : TowerCompItemData
+        {
+            if (componentMap == null || componentId <= 0)
+            {
+                return Color.white;
+            }
+
+            return componentMap.TryGetValue(componentId, out TComp component) && component != null
+                ? IconColorGenerator.GenerateForComponent(component)
+                : Color.white;
+        }
+
+        private static Dictionary<long, TComp> BuildComponentMap<TComp>(IReadOnlyList<TComp> items)
+            where TComp : TowerCompItemData
+        {
+            Dictionary<long, TComp> map = new Dictionary<long, TComp>();
+            if (items == null)
+            {
+                return map;
+            }
+
+            for (int i = 0; i < items.Count; i++)
+            {
+                TComp item = items[i];
+                if (item == null || item.InstanceId <= 0)
+                {
+                    continue;
+                }
+
+                map[item.InstanceId] = item;
+            }
+
+            return map;
+        }
+
         private static bool TryConsumeCoin(int cost)
         {
             int requiredCoin = Mathf.Max(0, cost);
@@ -371,6 +477,22 @@ namespace GeometryTD.Entity
             return GameEntry.CombatNode != null ? Mathf.Max(0, GameEntry.CombatNode.CurrentCoin) : 0;
         }
 
+        private readonly struct BuildTowerVisualInfo
+        {
+            public static BuildTowerVisualInfo Default => new BuildTowerVisualInfo(Color.white, Color.white, Color.white);
+
+            public BuildTowerVisualInfo(Color muzzleColor, Color bearingColor, Color baseColor)
+            {
+                MuzzleColor = muzzleColor;
+                BearingColor = bearingColor;
+                BaseColor = baseColor;
+            }
+
+            public Color MuzzleColor { get; }
+            public Color BearingColor { get; }
+            public Color BaseColor { get; }
+        }
+
         private static void AddCoin(int coin)
         {
             int amount = Mathf.Max(0, coin);
@@ -382,3 +504,4 @@ namespace GeometryTD.Entity
         }
     }
 }
+

Assets/GameMain/Scripts/Entity/EntityLogic/TowerEntity.cs

@@ -53,7 +53,12 @@ namespace GeometryTD.Entity
                 return;
             }
 
-            _towerController.OnInit(towerData.Stats, towerData.TowerLevel);
+            _towerController.OnInit(
+                towerData.Stats,
+                towerData.TowerLevel,
+                towerData.MuzzleColor,
+                towerData.BearingColor,
+                towerData.BaseColor);
         }
 
         protected override void OnUpdate(float elapseSeconds, float realElapseSeconds)

Assets/GameMain/Scripts/PoolObjectBase/TowerRepoItemObject.cs

@@ -0,0 +1,28 @@
+using GameFramework;
+using GameFramework.ObjectPool;
+using GeometryTD.UI;
+using UnityEngine;
+
+namespace GeometryTD.PoolObjectBase
+{
+    public class TowerRepoItemObject : ObjectBase
+    {
+        public static TowerRepoItemObject Create(object target)
+        {
+            TowerRepoItemObject itemObject = ReferencePool.Acquire<TowerRepoItemObject>();
+            itemObject.Initialize(target);
+            return itemObject;
+        }
+
+        protected override void Release(bool isShutdown)
+        {
+            TowerRepoItem item = (TowerRepoItem)Target;
+            if (item == null)
+            {
+                return;
+            }
+
+            Object.Destroy(item.gameObject);
+        }
+    }
+}

Assets/GameMain/Scripts/PoolObjectBase/TowerRepoItemObject.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 6f6f2603e451c5f4f9b0d0cb8ee247d6
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/GameMain/Scripts/Scene/Map/TowerPlacementService.cs

@@ -40,7 +40,7 @@ namespace GeometryTD.Map
         }
 
         public bool TryBuildTower(Vector3Int foundationCell, Func<Vector3Int, bool> isFoundationCell, int buildIndex,
-            int[] buildTowerCosts, int towerTypeId, Tilemap tilemap, Func<int, bool> tryConsumeCoin,
+            int[] buildTowerCosts, TowerStatsData buildTowerStats, Color muzzleColor, Color bearingColor, Color baseColor, int towerTypeId, Tilemap tilemap, Func<int, bool> tryConsumeCoin,
             Action<int> addCoin,
             out int towerEntityId)
         {
@@ -55,14 +55,19 @@ namespace GeometryTD.Map
                 return false;
             }
 
+            TowerStatsData towerStats = CloneTowerStats(buildTowerStats);
+            if (towerStats == null)
+            {
+                return false;
+            }
+
             int buildCost = GetBuildTowerCost(buildTowerCosts, buildIndex);
             if (tryConsumeCoin != null && !tryConsumeCoin(buildCost))
             {
                 return false;
             }
 
-            TowerStatsData towerStats = BuildTowerStats(buildIndex);
+            if (!TryShowTowerEntity(foundationCell, towerStats, muzzleColor, bearingColor, baseColor, towerTypeId, tilemap, out int newTowerEntityId))
-            if (!TryShowTowerEntity(foundationCell, towerStats, towerTypeId, tilemap, out int newTowerEntityId))
             {
                 addCoin?.Invoke(buildCost);
                 return false;
@@ -177,7 +182,7 @@ namespace GeometryTD.Map
             return Mathf.Max(0, buildTowerCosts[buildIndex]);
         }
 
-        private static bool TryShowTowerEntity(Vector3Int foundationCell, TowerStatsData towerStats,
+        private static bool TryShowTowerEntity(Vector3Int foundationCell, TowerStatsData towerStats, Color muzzleColor, Color bearingColor, Color baseColor,
             int towerTypeId,
             Tilemap tilemap, out int towerEntityId)
         {
@@ -192,7 +197,7 @@ namespace GeometryTD.Map
             Vector3 towerPosition = tilemap != null ? tilemap.GetCellCenterWorld(foundationCell) : foundationCell;
             towerPosition.z = 0f;
             var towerData = new TowerData(entityId, typeId, towerPosition, Quaternion.identity, towerStats,
-                MinTowerLevel);
+                MinTowerLevel, muzzleColor, bearingColor, baseColor);
             GameEntry.Entity.ShowDefenseTower(towerData);
 
             towerEntityId = entityId;
@@ -346,4 +351,4 @@ namespace GeometryTD.Map
             return values != null ? values.Length : 0;
         }
     }
-}
+}

Assets/GameMain/Scripts/UI/Combat/Context/TowerSelectItemContext.cs

@@ -10,5 +10,6 @@ namespace GeometryTD.UI
         public bool IsInteractable;
         public CombatSelectActionType ActionType;
         public int ActionIndex;
+        public TowerIconAreaContext TowerIconAreaContext;
     }
 }

Assets/GameMain/Scripts/UI/Combat/Controller/CombatFinishFormController.cs

@@ -116,9 +116,8 @@ namespace GeometryTD.UI
 
             if (inventory.Towers != null)
             {
-                for (int i = 0; i < inventory.Towers.Count; i++)
+                foreach (TowerItemData tower in inventory.Towers)
                 {
-                    var tower = inventory.Towers[i];
                     if (tower == null)
                     {
                         continue;
@@ -131,7 +130,7 @@ namespace GeometryTD.UI
                         EnduranceRate01 = ItemDescUtility.ResolveTowerEnduranceRate(tower, muzzleMap, bearingMap, baseMap),
                         ClickActionType = RepoItemClickActionType.OpenDetail,
                         ComponentSlotType = TowerCompSlotType.None,
-                        IconAreaContext = BuildIconAreaContext(tower)
+                        IconAreaContext = BuildTowerIconContext(tower, muzzleMap, bearingMap, baseMap)
                     });
 
                     AddItemDescSeed(
@@ -145,9 +144,8 @@ namespace GeometryTD.UI
 
             if (inventory.MuzzleComponents != null)
             {
-                for (int i = 0; i < inventory.MuzzleComponents.Count; i++)
+                foreach (MuzzleCompItemData item in inventory.MuzzleComponents)
                 {
-                    var item = inventory.MuzzleComponents[i];
                     if (item == null)
                     {
                         continue;
@@ -174,7 +172,7 @@ namespace GeometryTD.UI
 
             if (inventory.BearingComponents != null)
             {
-                foreach (var item in inventory.BearingComponents)
+                foreach (BearingCompItemData item in inventory.BearingComponents)
                 {
                     if (item == null)
                     {
@@ -202,9 +200,8 @@ namespace GeometryTD.UI
 
             if (inventory.BaseComponents != null)
             {
-                for (int i = 0; i < inventory.BaseComponents.Count; i++)
+                foreach (BaseCompItemData item in inventory.BaseComponents)
                 {
-                    var item = inventory.BaseComponents[i];
                     if (item == null)
                     {
                         continue;
@@ -232,6 +229,38 @@ namespace GeometryTD.UI
             return itemContexts.ToArray();
         }
 
+        private static TowerIconAreaContext BuildTowerIconContext(
+            TowerItemData tower,
+            IReadOnlyDictionary<long, MuzzleCompItemData> muzzleMap,
+            IReadOnlyDictionary<long, BearingCompItemData> bearingMap,
+            IReadOnlyDictionary<long, BaseCompItemData> baseMap)
+        {
+            if (tower == null)
+            {
+                return null;
+            }
+
+            return new TowerIconAreaContext
+            {
+                Rarity = tower.Rarity,
+                MuzzleColor = ResolveComponentColor(tower.MuzzleComponentInstanceId, muzzleMap),
+                BearingColor = ResolveComponentColor(tower.BearingComponentInstanceId, bearingMap),
+                BaseColor = ResolveComponentColor(tower.BaseComponentInstanceId, baseMap)
+            };
+        }
+
+        private static Color ResolveComponentColor<TComp>(long instanceId, IReadOnlyDictionary<long, TComp> componentMap)
+            where TComp : TowerCompItemData
+        {
+            if (instanceId > 0 && componentMap != null && componentMap.TryGetValue(instanceId, out TComp comp) &&
+                comp != null)
+            {
+                return IconColorGenerator.GenerateForComponent(comp);
+            }
+
+            return Color.white;
+        }
+
         private void AddItemDescSeed(long itemId, string title, string typeText, string description, TagType[] tags)
         {
             if (itemId <= 0)
@@ -274,9 +303,8 @@ namespace GeometryTD.UI
                 return map;
             }
 
-            for (int i = 0; i < items.Count; i++)
+            foreach (TComp item in items)
             {
-                TComp item = items[i];
                 if (item == null || item.InstanceId <= 0)
                 {
                     continue;
@@ -288,35 +316,13 @@ namespace GeometryTD.UI
             return map;
         }
 
-        private static IconAreaContext BuildIconAreaContext(TowerItemData tower)
-        {
-            if (tower == null)
-            {
-                return new IconAreaContext
-                {
-                    ComponentSlotType = TowerCompSlotType.None,
-                    Rarity = RarityType.None,
-                    Color = Color.white,
-                    Icon = null
-                };
-            }
-
-            return new IconAreaContext
-            {
-                ComponentSlotType = TowerCompSlotType.None,
-                Rarity = tower.Rarity,
-                Color = IconColorGenerator.GenerateForTower(tower),
-                Icon = null
-            };
-        }
-
         private static IconAreaContext BuildIconAreaContext(TowerCompItemData item)
         {
             if (item == null)
             {
                 return new IconAreaContext
                 {
-                    ComponentSlotType =  TowerCompSlotType.None,
+                    ComponentSlotType = TowerCompSlotType.None,
                     Rarity = RarityType.None,
                     Color = Color.white,
                     Icon = null
@@ -332,6 +338,8 @@ namespace GeometryTD.UI
             };
         }
 
+        #region Event Handlers
+
         private void OnCombatFinishReturnButtonClicked(object sender, GameEventArgs e)
         {
             if (!IsEventFromCurrentForm(sender) || !(e is CombatFinishReturnEventArgs))
@@ -370,6 +378,8 @@ namespace GeometryTD.UI
             });
         }
 
+        #endregion
+
         private bool IsEventFromCurrentForm(object sender)
         {
             if (Form == null)
@@ -392,3 +402,7 @@ namespace GeometryTD.UI
         }
     }
 }
+
+
+
+

Assets/GameMain/Scripts/UI/Combat/Controller/CombatSelectFormController.cs

@@ -229,7 +229,13 @@ namespace GeometryTD.UI
                 IsVisible = rawData.IsVisible,
                 IsInteractable = rawData.IsInteractable,
                 ActionType = rawData.ActionType,
-                ActionIndex = rawData.ActionIndex
+                ActionIndex = rawData.ActionIndex,
+                TowerIconAreaContext = new TowerIconAreaContext()
+                {
+                    BaseColor = rawData.BaseColor,
+                    BearingColor = rawData.BearingColor,
+                    MuzzleColor = rawData.MuzzleColor
+                }
             };
         }
 
@@ -284,4 +290,4 @@ namespace GeometryTD.UI
             RefreshFromUseCase();
         }
     }
-}
+}

Assets/GameMain/Scripts/UI/Combat/RawData/TowerSelectItemRawData.cs

@@ -11,5 +11,9 @@ namespace GeometryTD.UI
         public bool IsInteractable;
         public CombatSelectActionType ActionType;
         public int ActionIndex;
+        public bool UseTowerLayers;
+        public Color BaseColor = Color.white;
+        public Color BearingColor = Color.white;
+        public Color MuzzleColor = Color.white;
     }
 }

Assets/GameMain/Scripts/UI/Combat/UseCase/CombatSelectFormUseCase.cs

@@ -42,6 +42,19 @@ namespace GeometryTD.UI
         }
 
         public void SetBuildAction(int buildIndex, Func<bool> buildAction, int cost, Sprite icon = null)
+        {
+            SetBuildAction(buildIndex, buildAction, cost, icon, false, Color.white, Color.white, Color.white);
+        }
+
+        public void SetBuildAction(
+            int buildIndex,
+            Func<bool> buildAction,
+            int cost,
+            Sprite icon,
+            bool useTowerLayers,
+            Color baseColor,
+            Color bearingColor,
+            Color muzzleColor)
         {
             if (buildIndex < 0 || buildIndex >= _buildOptions.Length)
             {
@@ -54,6 +67,10 @@ namespace GeometryTD.UI
             option.Icon = icon;
             option.IsGain = false;
             option.IsVisible = true;
+            option.UseTowerLayers = useTowerLayers;
+            option.BaseColor = baseColor;
+            option.BearingColor = bearingColor;
+            option.MuzzleColor = muzzleColor;
         }
 
         public void SetBuildAction(int buildIndex, Action buildAction, int cost, Sprite icon = null)
@@ -75,6 +92,16 @@ namespace GeometryTD.UI
                 icon);
         }
 
+        public void SetBuildVisible(int buildIndex, bool visible)
+        {
+            if (buildIndex < 0 || buildIndex >= _buildOptions.Length)
+            {
+                return;
+            }
+
+            _buildOptions[buildIndex].IsVisible = visible;
+        }
+
         public void SetUpgradeAction(Func<bool> upgradeAction, int cost, Sprite icon = null)
         {
             _upgradeOption.Action = upgradeAction;
@@ -82,6 +109,7 @@ namespace GeometryTD.UI
             _upgradeOption.Icon = icon;
             _upgradeOption.IsGain = false;
             _upgradeOption.IsVisible = true;
+            _upgradeOption.UseTowerLayers = false;
         }
 
         public void SetUpgradeAction(Action upgradeAction, int cost, Sprite icon = null)
@@ -109,6 +137,7 @@ namespace GeometryTD.UI
             _destroyOption.Icon = icon;
             _destroyOption.IsGain = true;
             _destroyOption.IsVisible = true;
+            _destroyOption.UseTowerLayers = false;
         }
 
         public void SetDestroyAction(Action destroyAction, int gain, Sprite icon = null)
@@ -278,7 +307,11 @@ namespace GeometryTD.UI
                 IsVisible = option.IsVisible,
                 IsInteractable = option.Action != null && CanExecute(option, currentCoin),
                 ActionType = option.ActionType,
-                ActionIndex = option.ActionIndex
+                ActionIndex = option.ActionIndex,
+                UseTowerLayers = option.UseTowerLayers,
+                BaseColor = option.BaseColor,
+                BearingColor = option.BearingColor,
+                MuzzleColor = option.MuzzleColor
             };
         }
 
@@ -293,6 +326,10 @@ namespace GeometryTD.UI
             public bool IsVisible = true;
             public Sprite Icon;
             public Func<bool> Action;
+            public bool UseTowerLayers;
+            public Color BaseColor = Color.white;
+            public Color BearingColor = Color.white;
+            public Color MuzzleColor = Color.white;
 
             public Option(CombatSelectActionType actionType, int actionIndex, bool requiresAffordable)
             {

Assets/GameMain/Scripts/UI/Combat/View/TowerSelectItem.cs

@@ -2,20 +2,23 @@ using TMPro;
 using UnityEngine;
 using UnityEngine.UI;
 using GeometryTD.CustomEvent;
-using UnityGameFramework.Runtime;
 
 namespace GeometryTD.UI
 {
     public class TowerSelectItem : MonoBehaviour
     {
         [SerializeField] private Image _icon;
-        
+
         [SerializeField] private TMP_Text _price;
-        
+
         [SerializeField] private CommonButton _button;
-        
+
+        [SerializeField] private TowerIconArea _towerIconArea;
+
         private TowerSelectItemContext _context;
+
         private Sprite _defaultIcon;
+
         private bool _hasCachedDefaultIcon;
 
         public void OnInit(TowerSelectItemContext context)
@@ -23,28 +26,45 @@ namespace GeometryTD.UI
             CacheDefaultIcon();
             _context = context;
 
-            if (_icon != null)
+            if (context.ActionType == CombatSelectActionType.BuildTower)
             {
-                if (context != null && context.Icon != null)
+                _icon?.gameObject.SetActive(false);
+                _towerIconArea?.OnInit(_context.TowerIconAreaContext);
+
+                if (_price != null)
                 {
-                    _icon.sprite = context.Icon;
+                    _price.text = context.PriceText ?? string.Empty;
-                }
-                else if (_defaultIcon != null)
-                {
-                    _icon.sprite = _defaultIcon;
                 }
 
-                _icon.enabled = _icon.sprite != null;
+                if (_button != null)
+                {
+                    _button.Interactive = context.IsInteractable;
+                }
             }
-
+            else if (context.ActionType is CombatSelectActionType.UpgradeTower or CombatSelectActionType.DestroyTower)
-            if (_price != null)
             {
-                _price.text = context?.PriceText ?? string.Empty;
+                if (_icon != null)
+                {
+                    _icon.sprite = _context.Icon ?? _defaultIcon;
+                    _icon.gameObject.SetActive(true);
+                }
+
+                _towerIconArea?.OnReset();
+
+                if (_price != null)
+                {
+                    _price.text = context.PriceText ?? string.Empty;
+                }
+
+                if (_button != null)
+                {
+                    _button.Interactive = context.IsInteractable;
+                }
             }
-
+            else
-            if (_button != null)
             {
-                _button.Interactive = context != null && context.IsInteractable;
+                _icon?.gameObject.SetActive(false);
+                _towerIconArea?.OnReset();
             }
         }
 
@@ -59,6 +79,8 @@ namespace GeometryTD.UI
                 _icon.enabled = _icon.sprite != null;
             }
 
+            _towerIconArea.OnReset();
+
             if (_price != null)
             {
                 _price.text = string.Empty;
@@ -93,4 +115,4 @@ namespace GeometryTD.UI
             _hasCachedDefaultIcon = true;
         }
     }
-}
+}

Assets/GameMain/Scripts/UI/Game/Context/CompAreaContext.cs

@@ -2,6 +2,7 @@ namespace GeometryTD.UI
 {
     public class CompAreaContext
     {
-        public RepoItemContext[] Items;
+        public RepoItemContext[] ComponentItems;
+        public TowerRepoItemContext[] TowerItems;
     }
 }

Assets/GameMain/Scripts/UI/Game/Context/ParticipantAreaContext.cs

@@ -2,7 +2,7 @@ namespace GeometryTD.UI
 {
     public class ParticipantAreaContext : UIContext
     {
-        public RepoItemContext[] Items;
+        public TowerRepoItemContext[] TowerItems;
         public int MaxCount;
     }
 }

Assets/GameMain/Scripts/UI/Game/Context/TowerRepoItemContext.cs

@@ -0,0 +1,9 @@
+using System;
+
+namespace GeometryTD.UI
+{
+    [Serializable]
+    public class TowerRepoItemContext : RepoItemContext
+    {
+    }
+}

Assets/GameMain/Scripts/UI/Game/Context/TowerRepoItemContext.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 813496ec671788a4b975fa980ce16555
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/GameMain/Scripts/UI/Game/Controller/RepoFormController.ContextBuilder.cs

@@ -10,8 +10,9 @@ namespace GeometryTD.UI
     {
         private RepoFormContext BuildContext(RepoFormRawData rawData)
         {
-            _itemContextMap.Clear();
+            _itemClickActionMap.Clear();
             _itemDescSeedMap.Clear();
+            _compAreaTowerIds.Clear();
             if (rawData?.Inventory == null)
             {
                 _participantTowerIds.Clear();
@@ -22,7 +23,8 @@ namespace GeometryTD.UI
             Dictionary<long, BearingCompItemData> bearingMap = BuildComponentMap(rawData.Inventory.BearingComponents);
             Dictionary<long, BaseCompItemData> baseMap = BuildComponentMap(rawData.Inventory.BaseComponents);
             Dictionary<long, TowerItemData> towerMap = BuildTowerMap(rawData.Inventory.Towers);
-            List<RepoItemContext> items = new List<RepoItemContext>();
+            List<RepoItemContext> componentItems = new List<RepoItemContext>();
+            List<TowerRepoItemContext> towerItems = new List<TowerRepoItemContext>();
 
             if (rawData.Inventory.Towers != null)
             {
@@ -33,15 +35,9 @@ namespace GeometryTD.UI
                         continue;
                     }
 
-                    AddItemContext(items, new RepoItemContext
+                    TowerRepoItemContext towerContext = BuildTowerRepoItemContext(tower, muzzleMap, bearingMap, baseMap,
-                    {
+                        RepoItemClickActionType.OpenDetail, true);
-                        InstanceId = tower.InstanceId,
+                    AddTowerItemContext(towerItems, towerContext);
-                        CanDrag = true,
-                        EnduranceRate01 = ItemDescUtility.ResolveTowerEnduranceRate(tower, muzzleMap, bearingMap, baseMap),
-                        ClickActionType = RepoItemClickActionType.OpenDetail,
-                        ComponentSlotType = TowerCompSlotType.None,
-                        IconAreaContext = BuildIconAreaContext(tower)
-                    });
                     AddItemDescSeed(
                         tower.InstanceId,
                         tower.Name,
@@ -60,7 +56,7 @@ namespace GeometryTD.UI
                         continue;
                     }
 
-                    AddItemContext(items, new RepoItemContext
+                    RepoItemContext componentContext = new RepoItemContext
                     {
                         InstanceId = item.InstanceId,
                         CanDrag = true,
@@ -68,7 +64,8 @@ namespace GeometryTD.UI
                         ClickActionType = RepoItemClickActionType.OpenDetail,
                         ComponentSlotType = TowerCompSlotType.Muzzle,
                         IconAreaContext = BuildIconAreaContext(item)
-                    });
+                    };
+                    AddComponentItemContext(componentItems, componentContext);
                     AddItemDescSeed(
                         item.InstanceId,
                         item.Name,
@@ -87,7 +84,7 @@ namespace GeometryTD.UI
                         continue;
                     }
 
-                    AddItemContext(items, new RepoItemContext
+                    RepoItemContext componentContext = new RepoItemContext
                     {
                         InstanceId = item.InstanceId,
                         CanDrag = true,
@@ -95,7 +92,8 @@ namespace GeometryTD.UI
                         ClickActionType = RepoItemClickActionType.OpenDetail,
                         ComponentSlotType = TowerCompSlotType.Bearing,
                         IconAreaContext = BuildIconAreaContext(item)
-                    });
+                    };
+                    AddComponentItemContext(componentItems, componentContext);
                     AddItemDescSeed(
                         item.InstanceId,
                         item.Name,
@@ -114,7 +112,7 @@ namespace GeometryTD.UI
                         continue;
                     }
 
-                    AddItemContext(items, new RepoItemContext
+                    RepoItemContext componentContext = new RepoItemContext
                     {
                         InstanceId = item.InstanceId,
                         CanDrag = true,
@@ -122,7 +120,8 @@ namespace GeometryTD.UI
                         ClickActionType = RepoItemClickActionType.OpenDetail,
                         ComponentSlotType = TowerCompSlotType.Base,
                         IconAreaContext = BuildIconAreaContext(item)
-                    });
+                    };
+                    AddComponentItemContext(componentItems, componentContext);
                     AddItemDescSeed(
                         item.InstanceId,
                         item.Name,
@@ -140,13 +139,14 @@ namespace GeometryTD.UI
                 CombineAreaContext = new CombineAreaContext(),
                 CompAreaContext = new CompAreaContext
                 {
-                    Items = items.ToArray()
+                    ComponentItems = componentItems.ToArray(),
+                    TowerItems = towerItems.ToArray()
                 },
                 ParticipantAreaContext = participantAreaContext
             };
         }
 
-        private void AddItemContext(List<RepoItemContext> items, RepoItemContext itemContext)
+        private void AddComponentItemContext(List<RepoItemContext> items, RepoItemContext itemContext)
         {
             if (itemContext == null)
             {
@@ -154,7 +154,19 @@ namespace GeometryTD.UI
             }
 
             items.Add(itemContext);
-            _itemContextMap[itemContext.InstanceId] = itemContext;
+            _itemClickActionMap[itemContext.InstanceId] = itemContext.ClickActionType;
+        }
+
+        private void AddTowerItemContext(List<TowerRepoItemContext> items, TowerRepoItemContext itemContext)
+        {
+            if (itemContext == null)
+            {
+                return;
+            }
+
+            items.Add(itemContext);
+            _itemClickActionMap[itemContext.InstanceId] = itemContext.ClickActionType;
+            _compAreaTowerIds.Add(itemContext.InstanceId);
         }
 
         private void AddItemDescSeed(long itemId, string title, string typeText, string description, TagType[] tags)
@@ -243,7 +255,7 @@ namespace GeometryTD.UI
             IReadOnlyDictionary<long, BaseCompItemData> baseMap)
         {
             _participantTowerIds.Clear();
-            List<RepoItemContext> participantItems = new List<RepoItemContext>();
+            List<TowerRepoItemContext> participantItems = new List<TowerRepoItemContext>();
             if (inventory?.ParticipantTowerInstanceIds != null && towerMap != null)
             {
                 for (int i = 0; i < inventory.ParticipantTowerInstanceIds.Count; i++)
@@ -264,41 +276,33 @@ namespace GeometryTD.UI
                         continue;
                     }
 
-                    participantItems.Add(new RepoItemContext
+                    TowerRepoItemContext towerContext = BuildTowerRepoItemContext(tower, muzzleMap, bearingMap, baseMap,
+                        RepoItemClickActionType.RemoveParticipant, false);
+                    if (towerContext != null)
                     {
-                        InstanceId = tower.InstanceId,
+                        participantItems.Add(towerContext);
-                        CanDrag = false,
+                        _itemClickActionMap[towerContext.InstanceId] = towerContext.ClickActionType;
-                        EnduranceRate01 = ItemDescUtility.ResolveTowerEnduranceRate(tower, muzzleMap, bearingMap, baseMap),
+                    }
-                        ClickActionType = RepoItemClickActionType.RemoveParticipant,
-                        ComponentSlotType = TowerCompSlotType.None,
-                        IconAreaContext = BuildIconAreaContext(tower)
-                    });
                 }
             }
 
             return new ParticipantAreaContext
             {
-                Items = participantItems.ToArray(),
+                TowerItems = participantItems.ToArray(),
                 MaxCount = MaxParticipantCount
             };
         }
 
         private void ApplyParticipantSelection()
         {
-            if (Form == null || _itemContextMap.Count <= 0)
+            if (Form == null || _compAreaTowerIds.Count <= 0)
             {
                 return;
             }
 
-            foreach (KeyValuePair<long, RepoItemContext> pair in _itemContextMap)
+            foreach (long towerId in _compAreaTowerIds)
             {
-                RepoItemContext itemContext = pair.Value;
+                Form.SetRepoItemSelected(towerId, _participantTowerIds.Contains(towerId));
-                if (itemContext == null || itemContext.ComponentSlotType != TowerCompSlotType.None)
-                {
-                    continue;
-                }
-
-                Form.SetRepoItemSelected(pair.Key, _participantTowerIds.Contains(pair.Key));
             }
         }
 
@@ -319,25 +323,33 @@ namespace GeometryTD.UI
             ApplyParticipantSelection();
         }
 
-        private static IconAreaContext BuildIconAreaContext(TowerItemData tower)
+        private static TowerRepoItemContext BuildTowerRepoItemContext(
+            TowerItemData tower,
+            IReadOnlyDictionary<long, MuzzleCompItemData> muzzleMap,
+            IReadOnlyDictionary<long, BearingCompItemData> bearingMap,
+            IReadOnlyDictionary<long, BaseCompItemData> baseMap,
+            RepoItemClickActionType clickActionType,
+            bool canDrag)
         {
             if (tower == null)
             {
-                return new IconAreaContext
+                return null;
-                {
-                    ComponentSlotType = TowerCompSlotType.None,
-                    Rarity = RarityType.None,
-                    Color = Color.white,
-                    Icon = null
-                };
             }
 
-            return new IconAreaContext
+            return new TowerRepoItemContext
             {
+                InstanceId = tower.InstanceId,
+                CanDrag = canDrag,
+                EnduranceRate01 = ItemDescUtility.ResolveTowerEnduranceRate(tower, muzzleMap, bearingMap, baseMap),
+                ClickActionType = clickActionType,
                 ComponentSlotType = TowerCompSlotType.None,
-                Rarity = tower.Rarity,
+                IconAreaContext = new TowerIconAreaContext
-                Color = IconColorGenerator.GenerateForTower(tower),
+                {
-                Icon = null
+                    Rarity = tower.Rarity,
+                    MuzzleColor = ResolveComponentColor(tower.MuzzleComponentInstanceId, muzzleMap),
+                    BearingColor = ResolveComponentColor(tower.BearingComponentInstanceId, bearingMap),
+                    BaseColor = ResolveComponentColor(tower.BaseComponentInstanceId, baseMap)
+                }
             };
         }
 
@@ -362,5 +374,21 @@ namespace GeometryTD.UI
                 Icon = null
             };
         }
+
+        private static Color ResolveComponentColor<TComp>(long instanceId,
+            IReadOnlyDictionary<long, TComp> componentMap)
+            where TComp : TowerCompItemData
+        {
+            if (instanceId > 0 &&
+                componentMap != null &&
+                componentMap.TryGetValue(instanceId, out TComp component) &&
+                component != null)
+            {
+                return IconColorGenerator.GenerateForComponent(component);
+            }
+
+            return Color.white;
+        }
     }
 }
+

Assets/GameMain/Scripts/UI/Game/Controller/RepoFormController.cs

@@ -11,9 +11,11 @@ namespace GeometryTD.UI
     {
         private const int MaxParticipantCount = 4;
         private RepoFormUseCase _useCase;
-        private readonly Dictionary<long, RepoItemContext> _itemContextMap = new Dictionary<long, RepoItemContext>();
+        private readonly Dictionary<long, RepoItemClickActionType> _itemClickActionMap =
+            new Dictionary<long, RepoItemClickActionType>();
         private readonly Dictionary<long, ItemDescSeed> _itemDescSeedMap = new Dictionary<long, ItemDescSeed>();
         private readonly HashSet<long> _participantTowerIds = new HashSet<long>();
+        private readonly HashSet<long> _compAreaTowerIds = new HashSet<long>();
 
         private sealed class ItemDescSeed
         {
@@ -111,14 +113,9 @@ namespace GeometryTD.UI
             }
 
             RepoItemClickActionType clickActionType = RepoItemClickActionType.OpenDetail;
-            if (sender is RepoItem clickedItem && clickedItem.Context != null)
+            if (_itemClickActionMap.TryGetValue(args.ItemId, out RepoItemClickActionType mappedAction))
             {
-                clickActionType = clickedItem.Context.ClickActionType;
+                clickActionType = mappedAction;
-            }
-            else if (_itemContextMap.TryGetValue(args.ItemId, out RepoItemContext itemContextFromMap) &&
-                     itemContextFromMap != null)
-            {
-                clickActionType = itemContextFromMap.ClickActionType;
             }
 
             if (args.ItemId <= 0)
@@ -170,7 +167,7 @@ namespace GeometryTD.UI
                 return;
             }
 
-            if (Form == null || !_itemContextMap.ContainsKey(args.ItemId))
+            if (Form == null || !_itemClickActionMap.ContainsKey(args.ItemId))
             {
                 return;
             }
@@ -212,8 +209,8 @@ namespace GeometryTD.UI
             {
                 return;
             }
-            
+
-            this.CloseUI();
+            CloseUI();
         }
 
         private void OnRepoCombineRequested(object sender, GameEventArgs e)
@@ -258,12 +255,12 @@ namespace GeometryTD.UI
             {
                 return;
             }
-            
+
             if (_useCase == null || Form == null || args.TowerItemId <= 0)
             {
                 return;
             }
-            
+
             if (!_useCase.TryAddParticipantTower(args.TowerItemId))
             {
                 return;

Assets/GameMain/Scripts/UI/Game/UseCase/RepoFormUseCase.cs

@@ -67,11 +67,6 @@ namespace GeometryTD.UI
             InventoryParticipantUtility.NormalizeParticipantState(_fallbackInventory, MaxParticipantCount);
             return _fallbackInventory;
         }
-
-        public static BackpackInventoryData SampleInventory()
-        {
-            return InventorySeedUtility.CreateSampleInventory();
-        }
     }
 }
 

Assets/GameMain/Scripts/UI/Game/View/CombineArea.cs

@@ -1,5 +1,5 @@
-using GeometryTD.Definition;
 using GeometryTD.CustomEvent;
+using GeometryTD.Definition;
 using UnityEngine;
 using UnityEngine.EventSystems;
 
@@ -102,19 +102,15 @@ namespace GeometryTD.UI
                 return;
             }
 
-            RepoItem repoItem = pointerDrag.GetComponent<RepoItem>();
+            IRepoDragItemView dragItem = pointerDrag.GetComponent<IRepoDragItemView>() ??
-            if (repoItem == null)
+                                         pointerDrag.GetComponentInParent<IRepoDragItemView>();
-            {
+            if (dragItem == null)
-                repoItem = pointerDrag.GetComponentInParent<RepoItem>();
-            }
-
-            if (repoItem == null)
             {
                 return;
             }
 
-            bool assigned = TryAssignItem(repoItem.Context);
+            bool assigned = TryAssignItem(dragItem.ComponentContext);
-            repoItem.SetDropResult(assigned);
+            dragItem.SetDropResult(assigned);
         }
 
         private CombineSlotItem FindSlot(TowerCompSlotType slotType)

Assets/GameMain/Scripts/UI/Game/View/CompArea.cs

@@ -11,12 +11,17 @@ namespace GeometryTD.UI
     {
         [FormerlySerializedAs("m_Content")] [SerializeField] private Transform _content;
         [FormerlySerializedAs("m_ItemTemplate")] [SerializeField] private RepoItem _itemTemplate;
+        [SerializeField] private TowerRepoItem _towerItemTemplate;
         [FormerlySerializedAs("m_InstancePoolCapacity")] [SerializeField] private int _instancePoolCapacity = 64;
 
-        private readonly List<RepoItem> _activeItems = new List<RepoItem>();
+        private readonly List<RepoItem> _activeComponentItems = new List<RepoItem>();
-        private readonly Dictionary<long, RepoItem> _itemMap = new Dictionary<long, RepoItem>();
+        private readonly List<TowerRepoItem> _activeTowerItems = new List<TowerRepoItem>();
-        private IObjectPool<RepoItemObject> _itemPool;
+        private readonly Dictionary<long, RepoItem> _componentItemMap = new Dictionary<long, RepoItem>();
-        private string _poolName;
+        private readonly Dictionary<long, TowerRepoItem> _towerItemMap = new Dictionary<long, TowerRepoItem>();
+        private IObjectPool<RepoItemObject> _componentItemPool;
+        private IObjectPool<TowerRepoItemObject> _towerItemPool;
+        private string _componentPoolName;
+        private string _towerPoolName;
 
         public void OnInit(CompAreaContext context)
         {
@@ -29,31 +34,46 @@ namespace GeometryTD.UI
             EnsurePool();
             OnReset();
 
-            if (context.Items == null || context.Items.Length == 0)
+            if (context.ComponentItems != null)
             {
-                return;
+                foreach (RepoItemContext itemContext in context.ComponentItems)
+                {
+                    RepoItem item = CreateOrSpawnComponentItem();
+                    if (item == null)
+                    {
+                        continue;
+                    }
+
+                    item.gameObject.SetActive(true);
+                    item.OnInit(itemContext);
+                    _activeComponentItems.Add(item);
+                    _componentItemMap[itemContext.InstanceId] = item;
+                }
             }
 
-            foreach (var itemContext in context.Items)
+            if (context.TowerItems != null)
             {
-                RepoItem item = CreateOrSpawnItem();
+                foreach (TowerRepoItemContext itemContext in context.TowerItems)
-                if (item == null)
                 {
-                    continue;
+                    TowerRepoItem item = CreateOrSpawnTowerItem();
-                }
+                    if (item == null)
+                    {
+                        continue;
+                    }
 
-                item.gameObject.SetActive(true);
+                    item.gameObject.SetActive(true);
-                item.OnInit(itemContext);
+                    item.OnInit(itemContext);
-                _activeItems.Add(item);
+                    _activeTowerItems.Add(item);
-                _itemMap[itemContext.InstanceId] = item;
+                    _towerItemMap[itemContext.InstanceId] = item;
+                }
             }
         }
 
         public void OnReset()
         {
-            for (int i = _activeItems.Count - 1; i >= 0; i--)
+            for (int i = _activeComponentItems.Count - 1; i >= 0; i--)
             {
-                RepoItem item = _activeItems[i];
+                RepoItem item = _activeComponentItems[i];
                 if (item == null)
                 {
                     continue;
@@ -61,49 +81,102 @@ namespace GeometryTD.UI
 
                 item.OnReset();
                 item.gameObject.SetActive(false);
-                _itemPool?.Unspawn(item);
+                _componentItemPool?.Unspawn(item);
             }
 
-            _activeItems.Clear();
+            for (int i = _activeTowerItems.Count - 1; i >= 0; i--)
-            _itemMap.Clear();
+            {
+                TowerRepoItem item = _activeTowerItems[i];
+                if (item == null)
+                {
+                    continue;
+                }
+
+                item.OnReset();
+                item.gameObject.SetActive(false);
+                _towerItemPool?.Unspawn(item);
+            }
+
+            _activeComponentItems.Clear();
+            _activeTowerItems.Clear();
+            _componentItemMap.Clear();
+            _towerItemMap.Clear();
         }
 
         private void OnDestroy()
         {
             OnReset();
-            _itemPool?.ReleaseAllUnused();
+            _componentItemPool?.ReleaseAllUnused();
+            _towerItemPool?.ReleaseAllUnused();
         }
 
         private void EnsurePool()
         {
-            if (_itemPool != null)
+            if (_componentItemPool == null)
             {
-                return;
+                _componentPoolName = $"RepoItemPool_{GetInstanceID()}";
+                _componentItemPool =
+                    GameEntry.ObjectPool.CreateSingleSpawnObjectPool<RepoItemObject>(_componentPoolName,
+                        _instancePoolCapacity);
             }
 
-            _poolName = $"RepoItemPool_{GetInstanceID()}";
+            if (_towerItemPool == null)
-            _itemPool = GameEntry.ObjectPool.CreateSingleSpawnObjectPool<RepoItemObject>(_poolName, _instancePoolCapacity);
+            {
+                _towerPoolName = $"TowerRepoItemPool_{GetInstanceID()}";
+                _towerItemPool =
+                    GameEntry.ObjectPool.CreateSingleSpawnObjectPool<TowerRepoItemObject>(_towerPoolName,
+                        _instancePoolCapacity);
+            }
         }
 
-        private RepoItem CreateOrSpawnItem()
+        private RepoItem CreateOrSpawnComponentItem()
         {
-            if (_itemPool == null)
+            if (_componentItemPool == null)
             {
                 return null;
             }
 
-            RepoItemObject itemObject = _itemPool.Spawn();
+            RepoItemObject itemObject = _componentItemPool.Spawn();
             RepoItem item = itemObject != null ? (RepoItem)itemObject.Target : null;
             if (item == null)
             {
                 if (_itemTemplate == null)
                 {
-                    Log.Warning("CompArea requires an item template.");
+                    Log.Warning("CompArea requires a component item template.");
                     return null;
                 }
 
                 item = Instantiate(_itemTemplate);
-                _itemPool.Register(RepoItemObject.Create(item), true);
+                _componentItemPool.Register(RepoItemObject.Create(item), true);
+            }
+
+            if (_content != null)
+            {
+                item.transform.SetParent(_content, false);
+            }
+
+            return item;
+        }
+
+        private TowerRepoItem CreateOrSpawnTowerItem()
+        {
+            if (_towerItemPool == null)
+            {
+                return null;
+            }
+
+            TowerRepoItemObject itemObject = _towerItemPool.Spawn();
+            TowerRepoItem item = itemObject != null ? (TowerRepoItem)itemObject.Target : null;
+            if (item == null)
+            {
+                if (_towerItemTemplate == null)
+                {
+                    Log.Warning("CompArea requires a tower item template.");
+                    return null;
+                }
+
+                item = Instantiate(_towerItemTemplate);
+                _towerItemPool.Register(TowerRepoItemObject.Create(item), true);
             }
 
             if (_content != null)
@@ -116,12 +189,15 @@ namespace GeometryTD.UI
 
         public void SetItemSelected(long itemId, bool isSelected)
         {
-            if (!_itemMap.TryGetValue(itemId, out RepoItem item))
+            if (_componentItemMap.TryGetValue(itemId, out RepoItem componentItem))
             {
-                return;
+                componentItem.SetSelected(isSelected);
             }
 
-            item.SetSelected(isSelected);
+            if (_towerItemMap.TryGetValue(itemId, out TowerRepoItem towerItem))
+            {
+                towerItem.SetSelected(isSelected);
+            }
         }
     }
 }

Assets/GameMain/Scripts/UI/Game/View/IRepoDragItemView.cs

@@ -0,0 +1,19 @@
+using GeometryTD.Definition;
+
+namespace GeometryTD.UI
+{
+    public interface IRepoDragItemView
+    {
+        long InstanceId { get; }
+
+        bool CanDrag { get; }
+
+        TowerCompSlotType ComponentSlotType { get; }
+
+        RepoItemClickActionType ClickActionType { get; }
+
+        RepoItemContext ComponentContext { get; }
+
+        void SetDropResult(bool assigned);
+    }
+}

Assets/GameMain/Scripts/UI/Game/View/IRepoDragItemView.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5cb3c8e275a9ba646a58a2656af31faa
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/GameMain/Scripts/UI/Game/View/ParticipantArea.cs

@@ -12,12 +12,12 @@ namespace GeometryTD.UI
     public class ParticipantArea : MonoBehaviour, IDropHandler
     {
         [SerializeField] private Transform _content;
-        [SerializeField] private RepoItem _itemTemplate;
+        [SerializeField] private TowerRepoItem _towerItemTemplate;
         [SerializeField] private int _instancePoolCapacity = 8;
 
-        private readonly List<RepoItem> _activeItems = new List<RepoItem>();
+        private readonly List<TowerRepoItem> _activeItems = new List<TowerRepoItem>();
         private readonly HashSet<long> _boundItemIds = new HashSet<long>();
-        private IObjectPool<RepoItemObject> _itemPool;
+        private IObjectPool<TowerRepoItemObject> _itemPool;
         private string _poolName;
         private int _maxCount = 4;
 
@@ -27,20 +27,20 @@ namespace GeometryTD.UI
             EnsurePool();
 
             _maxCount = Mathf.Max(1, context != null ? context.MaxCount : 4);
-            if (context?.Items == null || context.Items.Length <= 0)
+            if (context?.TowerItems == null || context.TowerItems.Length <= 0)
             {
                 return;
             }
 
-            for (int i = 0; i < context.Items.Length; i++)
+            for (int i = 0; i < context.TowerItems.Length; i++)
             {
-                RepoItemContext itemContext = context.Items[i];
+                TowerRepoItemContext itemContext = context.TowerItems[i];
                 if (itemContext == null || itemContext.InstanceId <= 0)
                 {
                     continue;
                 }
 
-                RepoItem item = CreateOrSpawnItem();
+                TowerRepoItem item = CreateOrSpawnItem();
                 if (item == null)
                 {
                     continue;
@@ -57,7 +57,7 @@ namespace GeometryTD.UI
         {
             for (int i = _activeItems.Count - 1; i >= 0; i--)
             {
-                RepoItem item = _activeItems[i];
+                TowerRepoItem item = _activeItems[i];
                 if (item == null)
                 {
                     continue;
@@ -79,19 +79,19 @@ namespace GeometryTD.UI
             _itemPool?.ReleaseAllUnused();
         }
 
-        public bool CanAssign(RepoItemContext itemContext)
+        public bool CanAssign(IRepoDragItemView dragItem)
         {
-            if (itemContext == null || itemContext.InstanceId <= 0)
+            if (dragItem == null || dragItem.InstanceId <= 0)
             {
                 return false;
             }
 
-            if (itemContext.ComponentSlotType != TowerCompSlotType.None)
+            if (dragItem.ComponentSlotType != TowerCompSlotType.None)
             {
                 return false;
             }
 
-            if (_boundItemIds.Contains(itemContext.InstanceId))
+            if (_boundItemIds.Contains(dragItem.InstanceId))
             {
                 return false;
             }
@@ -117,21 +117,21 @@ namespace GeometryTD.UI
                 return;
             }
 
-            RepoItem repoItem = pointerDrag.GetComponent<RepoItem>() ?? pointerDrag.GetComponentInParent<RepoItem>();
+            IRepoDragItemView dragItem = pointerDrag.GetComponent<IRepoDragItemView>() ??
-            if (repoItem == null)
+                                         pointerDrag.GetComponentInParent<IRepoDragItemView>();
+            if (dragItem == null)
             {
                 return;
             }
 
-            RepoItemContext itemContext = repoItem.Context;
+            bool assigned = CanAssign(dragItem);
-            bool assigned = CanAssign(itemContext);
+            dragItem.SetDropResult(assigned);
-            repoItem.SetDropResult(assigned);
             if (!assigned)
             {
                 return;
             }
 
-            GameEntry.Event.Fire(this, RepoParticipantAssignRequestedEventArgs.Create(itemContext.InstanceId));
+            GameEntry.Event.Fire(this, RepoParticipantAssignRequestedEventArgs.Create(dragItem.InstanceId));
         }
 
         private void EnsurePool()
@@ -141,29 +141,30 @@ namespace GeometryTD.UI
                 return;
             }
 
-            _poolName = $"ParticipantRepoItemPool_{GetInstanceID()}";
+            _poolName = $"ParticipantTowerRepoItemPool_{GetInstanceID()}";
-            _itemPool = GameEntry.ObjectPool.CreateSingleSpawnObjectPool<RepoItemObject>(_poolName, _instancePoolCapacity);
+            _itemPool =
+                GameEntry.ObjectPool.CreateSingleSpawnObjectPool<TowerRepoItemObject>(_poolName, _instancePoolCapacity);
         }
 
-        private RepoItem CreateOrSpawnItem()
+        private TowerRepoItem CreateOrSpawnItem()
         {
             if (_itemPool == null)
             {
                 return null;
             }
 
-            RepoItemObject itemObject = _itemPool.Spawn();
+            TowerRepoItemObject itemObject = _itemPool.Spawn();
-            RepoItem item = itemObject != null ? (RepoItem)itemObject.Target : null;
+            TowerRepoItem item = itemObject != null ? (TowerRepoItem)itemObject.Target : null;
             if (item == null)
             {
-                if (_itemTemplate == null)
+                if (_towerItemTemplate == null)
                 {
-                    Log.Warning("ParticipantArea requires an item template.");
+                    Log.Warning("ParticipantArea requires a tower item template.");
                     return null;
                 }
 
-                item = Instantiate(_itemTemplate);
+                item = Instantiate(_towerItemTemplate);
-                _itemPool.Register(RepoItemObject.Create(item), true);
+                _itemPool.Register(TowerRepoItemObject.Create(item), true);
             }
 
             if (_content != null)

Assets/GameMain/Scripts/UI/Game/View/RepoItem.cs

@@ -6,10 +6,10 @@ using UnityEngine.UI;
 
 namespace GeometryTD.UI
 {
-    public class RepoItem : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
+    public class RepoItem : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler, IRepoDragItemView
     {
         [SerializeField] private Image _bgImage;
-        
+
         [SerializeField] private IconArea _iconArea;
 
         private static readonly Color SelectedColor = new Color32(255, 216, 102, 255);
@@ -20,8 +20,8 @@ namespace GeometryTD.UI
         [SerializeField] private RepoItemContext _context;
         private CanvasGroup _canvasGroup;
         private RectTransform _dragRoot;
-        private GameObject _dragGhostObject;
+        protected GameObject _dragGhostObject;
-        private RectTransform _dragGhostRect;
+        protected RectTransform _dragGhostRect;
         private bool _isSelected;
         private bool _isDragging;
         private bool _dropHandled;
@@ -29,6 +29,24 @@ namespace GeometryTD.UI
 
         public RepoItemContext Context => _context;
 
+        public long InstanceId => _context != null ? _context.InstanceId : 0;
+
+        bool IRepoDragItemView.CanDrag => _context != null && _context.CanDrag;
+
+        public TowerCompSlotType ComponentSlotType =>
+            _context != null ? _context.ComponentSlotType : TowerCompSlotType.None;
+
+        public RepoItemClickActionType ClickActionType =>
+            _context != null ? _context.ClickActionType : RepoItemClickActionType.OpenDetail;
+
+        public RepoItemContext ComponentContext => _context;
+
+        protected IconArea IconArea => _iconArea;
+
+        protected Image BackgroundImage => _bgImage;
+
+        protected RectTransform DragRoot => _dragRoot;
+
         private void Awake()
         {
             _canvasGroup = GetComponent<CanvasGroup>();
@@ -43,7 +61,7 @@ namespace GeometryTD.UI
             ResetDragState();
         }
 
-        public void OnInit(RepoItemContext context)
+        public virtual void OnInit(RepoItemContext context)
         {
             if (context == null)
             {
@@ -52,14 +70,13 @@ namespace GeometryTD.UI
             }
 
             _context = context;
-
             _iconArea.OnInit(context.IconAreaContext);
 
             SetSelected(false);
             ResetDragState();
         }
 
-        public void OnReset()
+        public virtual void OnReset()
         {
             _context = null;
             _iconArea.OnReset();
@@ -165,6 +182,7 @@ namespace GeometryTD.UI
             {
                 _canvasGroup.blocksRaycasts = true;
             }
+
             DestroyDragGhost();
             _dragRoot = null;
 
@@ -232,7 +250,7 @@ namespace GeometryTD.UI
             return canvas.rootCanvas.transform as RectTransform;
         }
 
-        private bool CreateDragGhost()
+        protected virtual bool CreateDragGhost()
         {
             DestroyDragGhost();
 
@@ -246,7 +264,6 @@ namespace GeometryTD.UI
             Material iconMaterial = _iconArea != null ? _iconArea.CurrentIconMaterial : null;
             Vector2 iconSize = _iconArea != null ? _iconArea.CurrentIconSize : Vector2.zero;
 
-            // Towers may not have an icon sprite; fall back to background sprite so drag still works.
             if (iconSprite == null && _bgImage != null)
             {
                 iconSprite = _bgImage.sprite;
@@ -260,7 +277,8 @@ namespace GeometryTD.UI
                 return false;
             }
 
-            _dragGhostObject = new GameObject("RepoItemDragGhost", typeof(RectTransform), typeof(CanvasGroup), typeof(Image));
+            _dragGhostObject = new GameObject("RepoItemDragGhost", typeof(RectTransform), typeof(CanvasGroup),
+                typeof(Image));
             _dragGhostObject.layer = gameObject.layer;
 
             _dragGhostRect = _dragGhostObject.GetComponent<RectTransform>();
@@ -273,6 +291,7 @@ namespace GeometryTD.UI
             {
                 iconSize = DefaultDragGhostSize;
             }
+
             _dragGhostRect.sizeDelta = iconSize;
 
             Image ghostImage = _dragGhostObject.GetComponent<Image>();
@@ -290,7 +309,7 @@ namespace GeometryTD.UI
             return true;
         }
 
-        private void UpdateDragGhostPosition(PointerEventData eventData)
+        protected virtual void UpdateDragGhostPosition(PointerEventData eventData)
         {
             if (_dragGhostRect == null || _dragRoot == null || eventData == null)
             {
@@ -304,7 +323,7 @@ namespace GeometryTD.UI
             }
         }
 
-        private void DestroyDragGhost()
+        protected virtual void DestroyDragGhost()
         {
             if (_dragGhostObject != null)
             {
@@ -329,3 +348,4 @@ namespace GeometryTD.UI
         }
     }
 }
+

Assets/GameMain/Scripts/UI/Game/View/TowerRepoItem.cs

@@ -0,0 +1,109 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace GeometryTD.UI
+{
+    public class TowerRepoItem : RepoItem
+    {
+        private static readonly Vector2 DefaultTowerDragGhostSize = new Vector2(64f, 64f);
+
+        public new TowerRepoItemContext Context => base.Context as TowerRepoItemContext;
+
+        public void OnInit(TowerRepoItemContext context)
+        {
+            base.OnInit(context);
+        }
+
+        protected override bool CreateDragGhost()
+        {
+            DestroyDragGhost();
+
+            if (DragRoot == null)
+            {
+                return false;
+            }
+
+            TowerIconArea towerIconArea = IconArea as TowerIconArea;
+            if (towerIconArea == null)
+            {
+                return base.CreateDragGhost();
+            }
+
+            _dragGhostObject = new GameObject("TowerRepoItemDragGhost", typeof(RectTransform), typeof(CanvasGroup));
+            _dragGhostObject.layer = gameObject.layer;
+
+            _dragGhostRect = _dragGhostObject.GetComponent<RectTransform>();
+            _dragGhostRect.SetParent(DragRoot, false);
+            _dragGhostRect.anchorMin = new Vector2(0.5f, 0.5f);
+            _dragGhostRect.anchorMax = new Vector2(0.5f, 0.5f);
+            _dragGhostRect.pivot = new Vector2(0.5f, 0.5f);
+
+            Vector2 iconSize = IconArea != null ? IconArea.CurrentIconSize : Vector2.zero;
+            if (iconSize.x <= 0f || iconSize.y <= 0f)
+            {
+                iconSize = BackgroundImage != null ? BackgroundImage.rectTransform.rect.size : DefaultTowerDragGhostSize;
+            }
+
+            if (iconSize.x <= 0f || iconSize.y <= 0f)
+            {
+                iconSize = DefaultTowerDragGhostSize;
+            }
+
+            _dragGhostRect.sizeDelta = iconSize;
+
+            bool hasAnyLayer = false;
+            hasAnyLayer |= TryCreateLayer("Base", towerIconArea.BaseIconSprite, towerIconArea.BaseIconColor,
+                towerIconArea.BaseIconMaterial, _dragGhostRect, 0);
+            hasAnyLayer |= TryCreateLayer("Bearing", towerIconArea.BearingIconSprite, towerIconArea.BearingIconColor,
+                towerIconArea.BearingIconMaterial, _dragGhostRect, 1);
+            hasAnyLayer |= TryCreateLayer("Muzzle", towerIconArea.MuzzleIconSprite, towerIconArea.MuzzleIconColor,
+                towerIconArea.MuzzleIconMaterial, _dragGhostRect, 2);
+
+            if (!hasAnyLayer)
+            {
+                DestroyDragGhost();
+                return base.CreateDragGhost();
+            }
+
+            CanvasGroup ghostCanvasGroup = _dragGhostObject.GetComponent<CanvasGroup>();
+            ghostCanvasGroup.blocksRaycasts = false;
+            ghostCanvasGroup.interactable = false;
+
+            _dragGhostObject.transform.SetAsLastSibling();
+            return true;
+        }
+
+        private static bool TryCreateLayer(
+            string layerName,
+            Sprite sprite,
+            Color color,
+            Material material,
+            RectTransform parent,
+            int siblingIndex)
+        {
+            if (parent == null || sprite == null)
+            {
+                return false;
+            }
+
+            GameObject layerObject = new GameObject($"TowerGhost{layerName}", typeof(RectTransform), typeof(Image));
+            layerObject.layer = parent.gameObject.layer;
+
+            RectTransform layerRect = layerObject.GetComponent<RectTransform>();
+            layerRect.SetParent(parent, false);
+            layerRect.anchorMin = Vector2.zero;
+            layerRect.anchorMax = Vector2.one;
+            layerRect.offsetMin = Vector2.zero;
+            layerRect.offsetMax = Vector2.zero;
+            layerRect.SetSiblingIndex(siblingIndex);
+
+            Image layerImage = layerObject.GetComponent<Image>();
+            layerImage.raycastTarget = false;
+            layerImage.sprite = sprite;
+            layerImage.color = color;
+            layerImage.material = material;
+            layerImage.preserveAspect = true;
+            return true;
+        }
+    }
+}

Assets/GameMain/Scripts/UI/Game/View/TowerRepoItem.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: caf7b65cc179a5d46828128f574ed63e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/GameMain/Scripts/UI/General/Context/TowerIconAreaContext.cs

@@ -0,0 +1,21 @@
+using System;
+using GeometryTD.Definition;
+using UnityEngine;
+
+namespace GeometryTD.UI
+{
+    [Serializable]
+    public class TowerIconAreaContext : IconAreaContext
+    {
+        public Color MuzzleColor = Color.white;
+        public Color BearingColor = Color.white;
+        public Color BaseColor = Color.white;
+
+        public TowerIconAreaContext()
+        {
+            ComponentSlotType = TowerCompSlotType.None;
+            Color = Color.white;
+            Icon = null;
+        }
+    }
+}

Assets/GameMain/Scripts/UI/General/Context/TowerIconAreaContext.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e3576597006db5b458566429f98a6f43
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/GameMain/Scripts/UI/General/View/IconArea.cs

@@ -1,4 +1,3 @@
-using System;
 using GeometryTD.Definition;
 using UnityEngine;
 using UnityEngine.UI;
@@ -14,15 +13,17 @@ namespace GeometryTD.UI
 
         private IconAreaContext _context;
 
-        public Sprite CurrentIconSprite => _icon != null ? _icon.sprite : null;
+        public virtual Sprite CurrentIconSprite => _icon != null ? _icon.sprite : null;
 
-        public Color CurrentIconColor => _icon != null ? _icon.color : Color.white;
+        public virtual Color CurrentIconColor => _icon != null ? _icon.color : Color.white;
 
-        public Vector2 CurrentIconSize => _icon != null ? _icon.rectTransform.rect.size : Vector2.zero;
+        public virtual Vector2 CurrentIconSize => _icon != null ? _icon.rectTransform.rect.size : Vector2.zero;
 
-        public Material CurrentIconMaterial => _icon != null ? _icon.material : null;
+        public virtual Material CurrentIconMaterial => _icon != null ? _icon.material : null;
 
-        public void OnInit(IconAreaContext context)
+        public virtual RectTransform IconRectTransform => _icon != null ? _icon.rectTransform : null;
+
+        public virtual void OnInit(IconAreaContext context)
         {
             if (context == null)
             {
@@ -46,9 +47,10 @@ namespace GeometryTD.UI
 
             SetRarity(_context.Rarity);
             SetIconColor(_context.Color);
+            SetIconVisible(true);
         }
 
-        public void SetIcon(Sprite sprite)
+        public virtual void SetIcon(Sprite sprite)
         {
             if (_icon != null)
             {
@@ -56,7 +58,7 @@ namespace GeometryTD.UI
             }
         }
 
-        public void SetRarity(RarityType rarity)
+        public virtual void SetRarity(RarityType rarity)
         {
             if (_board == null)
             {
@@ -74,7 +76,7 @@ namespace GeometryTD.UI
             };
         }
 
-        public void SetIconColor(Color color)
+        public virtual void SetIconColor(Color color)
         {
             if (_icon == null)
             {
@@ -84,11 +86,20 @@ namespace GeometryTD.UI
             _icon.color = color;
         }
 
-        public void OnReset()
+        public virtual void SetIconVisible(bool visible)
+        {
+            if (_icon != null)
+            {
+                _icon.enabled = visible;
+            }
+        }
+
+        public virtual void OnReset()
         {
             SetIcon(null);
             SetRarity(RarityType.None);
             SetIconColor(Color.clear);
+            SetIconVisible(true);
         }
     }
 }

Assets/GameMain/Scripts/UI/General/View/TowerIconArea.cs

@@ -0,0 +1,72 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace GeometryTD.UI
+{
+    public class TowerIconArea : IconArea
+    {
+        [SerializeField] private Image _baseIcon;
+
+        [SerializeField] private Image _bearingIcon;
+
+        [SerializeField] private Image _muzzleIcon;
+
+        public Sprite BaseIconSprite => _baseIcon != null ? _baseIcon.sprite : null;
+
+        public Sprite BearingIconSprite => _bearingIcon != null ? _bearingIcon.sprite : null;
+
+        public Sprite MuzzleIconSprite => _muzzleIcon != null ? _muzzleIcon.sprite : null;
+
+        public Color BaseIconColor => _baseIcon != null ? _baseIcon.color : Color.white;
+
+        public Color BearingIconColor => _bearingIcon != null ? _bearingIcon.color : Color.white;
+
+        public Color MuzzleIconColor => _muzzleIcon != null ? _muzzleIcon.color : Color.white;
+
+        public Material BaseIconMaterial => _baseIcon != null ? _baseIcon.material : null;
+
+        public Material BearingIconMaterial => _bearingIcon != null ? _bearingIcon.material : null;
+
+        public Material MuzzleIconMaterial => _muzzleIcon != null ? _muzzleIcon.material : null;
+
+        public override void OnInit(IconAreaContext context)
+        {
+            if (!(context is TowerIconAreaContext towerContext))
+            {
+                base.OnInit(context);
+                return;
+            }
+
+            SetRarity(towerContext.Rarity);
+            SetIconVisible(false);
+
+            SetLayerColor(_baseIcon, towerContext.BaseColor);
+            SetLayerColor(_bearingIcon, towerContext.BearingColor);
+            SetLayerColor(_muzzleIcon, towerContext.MuzzleColor);
+        }
+
+        public void OnInit(TowerIconAreaContext context)
+        {
+            OnInit((IconAreaContext)context);
+        }
+
+        public override void OnReset()
+        {
+            base.OnReset();
+            SetLayerColor(_baseIcon, Color.clear);
+            SetLayerColor(_bearingIcon, Color.clear);
+            SetLayerColor(_muzzleIcon, Color.clear);
+            SetIconVisible(false);
+        }
+
+        private static void SetLayerColor(Image icon, Color color)
+        {
+            if (icon == null)
+            {
+                return;
+            }
+
+            icon.color = color;
+        }
+    }
+}

Assets/GameMain/Scripts/UI/General/View/TowerIconArea.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 33a1436bff53c844e858f3bced1565ca
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/GameMain/Scripts/Utility/InventoryCloneUtility.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using GeometryTD.Definition;
 using UnityEngine;
 
@@ -162,7 +162,9 @@ namespace GeometryTD.CustomUtility
                 MuzzleComponentInstanceId = source.MuzzleComponentInstanceId,
                 BearingComponentInstanceId = source.BearingComponentInstanceId,
                 BaseComponentInstanceId = source.BaseComponentInstanceId,
-                Stats = CloneTowerStats(source.Stats)
+                Stats = CloneTowerStats(source.Stats),
+                ComposedIconSprite = source.ComposedIconSprite,
+                ComposedIconKey = source.ComposedIconKey
             };
         }
 
@@ -205,3 +207,4 @@ namespace GeometryTD.CustomUtility
 
 }
 
+

Assets/GameMain/Scripts/Utility/InventorySeedUtility.cs

@@ -19,41 +19,12 @@ namespace GeometryTD.CustomUtility
                 Rarity = RarityType.Green,
                 Endurance = 90f,
                 IsAssembledIntoTower = true,
-                AttackDamage = new[] { 20, 30, 40, 50, 80 },
+                AttackDamage = new[] { 200, 300, 400, 500, 800 },
                 DamageRandomRate = 0.05f,
                 AttackMethodType = AttackMethodType.NormalBullet,
                 Constraint = string.Empty,
                 Tags = new[] { TagType.Fire }
             };
-            inventory.MuzzleComponents.Add(muzzle);
-            inventory.MuzzleComponents.Add(new MuzzleCompItemData
-            {
-                InstanceId = 10002,
-                ConfigId = 2,
-                Name = "控制枪口",
-                Rarity = RarityType.Blue,
-                Endurance = 80,
-                IsAssembledIntoTower = false,
-                AttackDamage = new[] { 30, 50, 70, 90, 100 },
-                DamageRandomRate = 0.01f,
-                AttackMethodType = AttackMethodType.NormalBullet,
-                Constraint = string.Empty,
-                Tags = new[] { TagType.Ice, TagType.FreezeMask }
-            });
-            inventory.MuzzleComponents.Add(new MuzzleCompItemData
-            {
-                InstanceId = 10003,
-                ConfigId = 3,
-                Name = "穿透枪口",
-                Rarity = RarityType.Purple,
-                Endurance = 97f,
-                IsAssembledIntoTower = false,
-                AttackDamage = new[] { 50, 55, 60, 80, 90 },
-                DamageRandomRate = 0.02f,
-                AttackMethodType = AttackMethodType.NormalBullet,
-                Constraint = string.Empty,
-                Tags = new[] { TagType.Pierce, TagType.Crit }
-            });
 
             BearingCompItemData bearing = new BearingCompItemData
             {
@@ -63,38 +34,11 @@ namespace GeometryTD.CustomUtility
                 Rarity = RarityType.Green,
                 Endurance = 1f,
                 IsAssembledIntoTower = true,
-                RotateSpeed = new[] { 10f, 12f, 13f, 14f, 15f },
+                RotateSpeed = new[] { 100f, 120f, 130f, 140f, 150f },
-                AttackRange = new[] { 2f, 2f, 2f, 2f, 2f },
+                AttackRange = new[] { 3f, 4f, 5f, 6f, 8f },
                 Constraint = string.Empty,
                 Tags = new[] { TagType.Fire }
             };
-            inventory.BearingComponents.Add(bearing);
-            inventory.BearingComponents.Add(new BearingCompItemData
-            {
-                InstanceId = 20002,
-                ConfigId = 2,
-                Name = "控制轴承",
-                Rarity = RarityType.Blue,
-                Endurance = 20,
-                IsAssembledIntoTower = false,
-                RotateSpeed = new[] { 20f, 25f, 30f, 32f, 35f },
-                AttackRange = new[] { 6f, 6.5f, 7f, 8f, 8f },
-                Constraint = string.Empty,
-                Tags = new[] { TagType.Ice, TagType.Shatter }
-            });
-            inventory.BearingComponents.Add(new BearingCompItemData
-            {
-                InstanceId = 20003,
-                ConfigId = 3,
-                Name = "穿透轴承",
-                Rarity = RarityType.Purple,
-                Endurance = 96f,
-                IsAssembledIntoTower = false,
-                RotateSpeed = new[] { 60f, 70f, 80f, 90f, 100f },
-                AttackRange = new[] { 4f, 4.5f, 5f, 5.5f, 6f },
-                Constraint = string.Empty,
-                Tags = new[] { TagType.Pierce, TagType.Overpenetrate }
-            });
 
             BaseCompItemData baseComp = new BaseCompItemData
             {
@@ -104,38 +48,11 @@ namespace GeometryTD.CustomUtility
                 Rarity = RarityType.Green,
                 Endurance = 88f,
                 IsAssembledIntoTower = true,
-                AttackSpeed = new[] { 2f, 1.5f, 1f, 0.8f, 0.7f },
+                AttackSpeed = new[] { 1f, 2f, 3f, 3.5f, 0.7f },
                 AttackPropertyType = AttackPropertyType.Fire,
                 Constraint = string.Empty,
                 Tags = new[] { TagType.Fire }
             };
-            inventory.BaseComponents.Add(baseComp);
-            inventory.BaseComponents.Add(new BaseCompItemData
-            {
-                InstanceId = 30002,
-                ConfigId = 2,
-                Name = "控制底座",
-                Rarity = RarityType.Blue,
-                Endurance = 50f,
-                IsAssembledIntoTower = false,
-                AttackSpeed = new[] { 4f, 4.2f, 4.4f, 4.6f, 4.8f },
-                AttackPropertyType = AttackPropertyType.Ice,
-                Constraint = string.Empty,
-                Tags = new[] { TagType.Ice, TagType.AbsoluteZero }
-            });
-            inventory.BaseComponents.Add(new BaseCompItemData
-            {
-                InstanceId = 30003,
-                ConfigId = 3,
-                Name = "穿透底座",
-                Rarity = RarityType.Purple,
-                Endurance = 30f,
-                IsAssembledIntoTower = false,
-                AttackSpeed = new[] { 1f, 1f, 1f, 1f, 1f },
-                AttackPropertyType = AttackPropertyType.Physics,
-                Constraint = string.Empty,
-                Tags = new[] { TagType.Pierce, TagType.Execution }
-            });
 
             TowerItemData tower = new TowerItemData
             {
@@ -151,35 +68,103 @@ namespace GeometryTD.CustomUtility
                     AttackDamage = new[] { 200, 220, 240, 260, 300 },
                     DamageRandomRate = 0f,
                     RotateSpeed = new[] { 200f, 210f, 220f, 230f, 240f },
-                    AttackRange = new[] { 4.5f, 4.7f, 4.9f, 5.1f, 5.3f },
+                    AttackRange = new[] { 4.5f, 4.5f, 4.5f, 4.5f, 4.5f },
-                    AttackSpeed = new[] { 1.5f, 1.2f, 1.1f, 1.0f, 0.8f },
+                    AttackSpeed = new[] { 1.0f, 1.2f, 1.3f, 1.4f, 0.5f },
                     AttackMethodType = AttackMethodType.NormalBullet,
                     AttackPropertyType = AttackPropertyType.Fire,
                     Tags = new[] { TagType.Fire, TagType.BurnSpread }
                 }
             };
+            
+            inventory.MuzzleComponents.Add(muzzle);
+            inventory.BaseComponents.Add(baseComp);
+            inventory.BearingComponents.Add(bearing);
             inventory.Towers.Add(tower);
 
-            inventory.Towers.Add(new TowerItemData
+            inventory.MuzzleComponents.Add(new MuzzleCompItemData
             {
-                InstanceId = 90002,
+                InstanceId = 10002,
-                Name = "测试防御塔-B",
+                ConfigId = 2,
+                Name = "控制枪口",
                 Rarity = RarityType.Blue,
-                IsParticipatingInCombat = false,
+                Endurance = 80,
-                MuzzleComponentInstanceId = 0,
+                IsAssembledIntoTower = false,
-                BearingComponentInstanceId = 0,
+                AttackDamage = new[] { 200, 300, 400, 500, 600 },
-                BaseComponentInstanceId = 0,
+                DamageRandomRate = 0.01f,
-                Stats = new TowerStatsData
+                AttackMethodType = AttackMethodType.NormalBullet,
-                {
+                Constraint = string.Empty,
-                    AttackDamage = new[] { 200, 220, 240, 260, 300 },
+                Tags = new[] { TagType.Ice, TagType.FreezeMask }
-                    DamageRandomRate = 0.1f,
+            });
-                    RotateSpeed = new[] { 200f, 210f, 220f, 230f, 240f },
+
-                    AttackRange = new[] { 4.5f, 4.7f, 4.9f, 5.1f, 5.3f },
+            inventory.MuzzleComponents.Add(new MuzzleCompItemData
-                    AttackSpeed = new[] { 1.5f, 1.2f, 1.1f, 1.0f, 0.8f },
+            {
-                    AttackMethodType = AttackMethodType.NormalBullet,
+                InstanceId = 10003,
-                    AttackPropertyType = AttackPropertyType.Physics,
+                ConfigId = 3,
-                    Tags = new[] { TagType.Pierce }
+                Name = "穿透枪口",
-                }
+                Rarity = RarityType.Purple,
+                Endurance = 97f,
+                IsAssembledIntoTower = false,
+                AttackDamage = new[] { 50, 55, 60, 80, 90 },
+                DamageRandomRate = 0.02f,
+                AttackMethodType = AttackMethodType.NormalBullet,
+                Constraint = string.Empty,
+                Tags = new[] { TagType.Pierce, TagType.Crit }
+            });
+
+            inventory.BearingComponents.Add(new BearingCompItemData
+            {
+                InstanceId = 20002,
+                ConfigId = 2,
+                Name = "控制轴承",
+                Rarity = RarityType.Blue,
+                Endurance = 20,
+                IsAssembledIntoTower = false,
+                RotateSpeed = new[] { 200f, 250f, 300f, 320f, 350f },
+                AttackRange = new[] { 6f, 6.5f, 7f, 8f, 8f },
+                Constraint = string.Empty,
+                Tags = new[] { TagType.Ice, TagType.Shatter }
+            });
+
+            inventory.BearingComponents.Add(new BearingCompItemData
+            {
+                InstanceId = 20003,
+                ConfigId = 3,
+                Name = "穿透轴承",
+                Rarity = RarityType.Purple,
+                Endurance = 96f,
+                IsAssembledIntoTower = false,
+                RotateSpeed = new[] { 60f, 70f, 80f, 90f, 100f },
+                AttackRange = new[] { 4f, 4.5f, 5f, 5.5f, 6f },
+                Constraint = string.Empty,
+                Tags = new[] { TagType.Pierce, TagType.Overpenetrate }
+            });
+
+            inventory.BaseComponents.Add(new BaseCompItemData
+            {
+                InstanceId = 30002,
+                ConfigId = 2,
+                Name = "控制底座",
+                Rarity = RarityType.Blue,
+                Endurance = 50f,
+                IsAssembledIntoTower = false,
+                AttackSpeed = new[] { 4f, 4.2f, 4.4f, 4.6f, 4.8f },
+                AttackPropertyType = AttackPropertyType.Ice,
+                Constraint = string.Empty,
+                Tags = new[] { TagType.Ice, TagType.AbsoluteZero }
+            });
+
+            inventory.BaseComponents.Add(new BaseCompItemData
+            {
+                InstanceId = 30003,
+                ConfigId = 3,
+                Name = "穿透底座",
+                Rarity = RarityType.Purple,
+                Endurance = 30f,
+                IsAssembledIntoTower = false,
+                AttackSpeed = new[] { 1f, 1f, 1f, 1f, 1f },
+                AttackPropertyType = AttackPropertyType.Physics,
+                Constraint = string.Empty,
+                Tags = new[] { TagType.Pierce, TagType.Execution }
             });
 
             inventory.ParticipantTowerInstanceIds.Add(90001);

Assets/GameMain/Scripts/Utility/TowerComposedIconCacheUtility.cs

@@ -0,0 +1,130 @@
+using System.Collections.Generic;
+using GeometryTD.Definition;
+using UnityEngine;
+
+namespace GeometryTD.CustomUtility
+{
+    public static class TowerComposedIconCacheUtility
+    {
+        private const string MuzzleAssetName = "Muzzle";
+        private const string BearingAssetName = "Bearing";
+        private const string BaseAssetName = "Base";
+
+        private static Sprite _muzzleSprite;
+        private static Sprite _bearingSprite;
+        private static Sprite _baseSprite;
+        private static bool s_RequestedMuzzle;
+        private static bool s_RequestedBearing;
+        private static bool s_RequestedBase;
+
+        public static Sprite ResolveTowerIconSprite(
+            TowerItemData tower,
+            IReadOnlyDictionary<long, MuzzleCompItemData> muzzleMap,
+            IReadOnlyDictionary<long, BearingCompItemData> bearingMap,
+            IReadOnlyDictionary<long, BaseCompItemData> baseMap)
+        {
+            if (tower == null)
+            {
+                return null;
+            }
+
+            if (!TryGetComponents(tower, muzzleMap, bearingMap, baseMap,
+                    out MuzzleCompItemData muzzleComp,
+                    out BearingCompItemData bearingComp,
+                    out BaseCompItemData baseComp))
+            {
+                return null;
+            }
+
+            Color muzzleColor = IconColorGenerator.GenerateForComponent(muzzleComp);
+            Color bearingColor = IconColorGenerator.GenerateForComponent(bearingComp);
+            Color baseColor = IconColorGenerator.GenerateForComponent(baseComp);
+
+            string cacheKey = TowerIconComposeUtility.BuildCacheKey(
+                tower.MuzzleComponentInstanceId,
+                tower.BearingComponentInstanceId,
+                tower.BaseComponentInstanceId,
+                muzzleColor,
+                bearingColor,
+                baseColor);
+
+            if (tower.ComposedIconSprite != null && string.Equals(tower.ComposedIconKey, cacheKey))
+            {
+                return tower.ComposedIconSprite;
+            }
+
+            EnsureBaseSpritesRequested();
+            if (_muzzleSprite == null || _bearingSprite == null || _baseSprite == null)
+            {
+                return null;
+            }
+
+            Sprite composedSprite = TowerIconComposeUtility.Compose(
+                _muzzleSprite,
+                muzzleColor,
+                _bearingSprite,
+                bearingColor,
+                _baseSprite,
+                baseColor);
+
+            if (composedSprite == null)
+            {
+                return null;
+            }
+
+            tower.ComposedIconSprite = composedSprite;
+            tower.ComposedIconKey = cacheKey;
+            return composedSprite;
+        }
+
+        private static bool TryGetComponents(
+            TowerItemData tower,
+            IReadOnlyDictionary<long, MuzzleCompItemData> muzzleMap,
+            IReadOnlyDictionary<long, BearingCompItemData> bearingMap,
+            IReadOnlyDictionary<long, BaseCompItemData> baseMap,
+            out MuzzleCompItemData muzzleComp,
+            out BearingCompItemData bearingComp,
+            out BaseCompItemData baseComp)
+        {
+            muzzleComp = null;
+            bearingComp = null;
+            baseComp = null;
+
+            if (tower == null || muzzleMap == null || bearingMap == null || baseMap == null)
+            {
+                return false;
+            }
+
+            return muzzleMap.TryGetValue(tower.MuzzleComponentInstanceId, out muzzleComp) &&
+                   bearingMap.TryGetValue(tower.BearingComponentInstanceId, out bearingComp) &&
+                   baseMap.TryGetValue(tower.BaseComponentInstanceId, out baseComp) &&
+                   muzzleComp != null && bearingComp != null && baseComp != null;
+        }
+
+        private static void EnsureBaseSpritesRequested()
+        {
+            if (GameEntry.SpriteCache == null)
+            {
+                return;
+            }
+
+            if (!s_RequestedMuzzle)
+            {
+                s_RequestedMuzzle = true;
+                GameEntry.SpriteCache.GetSprite(MuzzleAssetName, sprite => { _muzzleSprite = sprite; });
+            }
+
+            if (!s_RequestedBearing)
+            {
+                s_RequestedBearing = true;
+                GameEntry.SpriteCache.GetSprite(BearingAssetName, sprite => { _bearingSprite = sprite; });
+            }
+
+            if (!s_RequestedBase)
+            {
+                s_RequestedBase = true;
+                GameEntry.SpriteCache.GetSprite(BaseAssetName, sprite => { _baseSprite = sprite; });
+            }
+        }
+    }
+}

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Assets/GameMain/Scripts/Utility/TowerIconComposeUtility.cs

@@ -0,0 +1,148 @@
+using System;
+using System.Globalization;
+using UnityEngine;
+
+namespace GeometryTD.CustomUtility
+{
+    public static class TowerIconComposeUtility
+    {
+        public static Sprite Compose(
+            Sprite muzzleSprite,
+            Color muzzleColor,
+            Sprite bearingSprite,
+            Color bearingColor,
+            Sprite baseSprite,
+            Color baseColor)
+        {
+            if (muzzleSprite == null || bearingSprite == null || baseSprite == null)
+            {
+                return null;
+            }
+
+            Sprite referenceSprite = muzzleSprite ?? bearingSprite ?? baseSprite;
+            if (referenceSprite == null)
+            {
+                return null;
+            }
+
+            int width = Mathf.RoundToInt(referenceSprite.rect.width);
+            int height = Mathf.RoundToInt(referenceSprite.rect.height);
+            if (width <= 0 || height <= 0)
+            {
+                return null;
+            }
+
+            return ComposeWithRenderTexture(
+                muzzleSprite,
+                muzzleColor,
+                bearingSprite,
+                bearingColor,
+                baseSprite,
+                baseColor,
+                width,
+                height,
+                referenceSprite);
+        }
+
+        public static string BuildCacheKey(
+            long muzzleId,
+            long bearingId,
+            long baseId,
+            Color muzzleColor,
+            Color bearingColor,
+            Color baseColor)
+        {
+            return string.Format(
+                CultureInfo.InvariantCulture,
+                "v2|{0}|{1}|{2}|{3}|{4}|{5}",
+                muzzleId,
+                bearingId,
+                baseId,
+                ToColorKey(muzzleColor),
+                ToColorKey(bearingColor),
+                ToColorKey(baseColor));
+        }
+
+        private static Sprite ComposeWithRenderTexture(
+            Sprite muzzleSprite,
+            Color muzzleColor,
+            Sprite bearingSprite,
+            Color bearingColor,
+            Sprite baseSprite,
+            Color baseColor,
+            int width,
+            int height,
+            Sprite referenceSprite)
+        {
+            RenderTexture rt = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.ARGB32);
+            RenderTexture previous = RenderTexture.active;
+            try
+            {
+                RenderTexture.active = rt;
+                GL.PushMatrix();
+                GL.LoadPixelMatrix(0f, width, 0f, height);
+                GL.Clear(true, true, Color.clear);
+
+                DrawSpriteToRenderTarget(baseSprite, baseColor, width, height);
+                DrawSpriteToRenderTarget(bearingSprite, bearingColor, width, height);
+                DrawSpriteToRenderTarget(muzzleSprite, muzzleColor, width, height);
+
+                GL.PopMatrix();
+
+                Texture2D composedTexture = new Texture2D(width, height, TextureFormat.RGBA32, false);
+                composedTexture.ReadPixels(new Rect(0f, 0f, width, height), 0, 0);
+                composedTexture.Apply(false, false);
+                return CreateSprite(composedTexture, referenceSprite);
+            }
+            catch (Exception)
+            {
+                return null;
+            }
+            finally
+            {
+                RenderTexture.active = previous;
+                RenderTexture.ReleaseTemporary(rt);
+            }
+        }
+
+        private static void DrawSpriteToRenderTarget(Sprite sprite, Color color, int width, int height)
+        {
+            if (sprite == null || sprite.texture == null)
+            {
+                return;
+            }
+
+            Rect textureRect = sprite.textureRect;
+            Texture texture = sprite.texture;
+            Rect uvRect = new Rect(
+                textureRect.x / texture.width,
+                textureRect.y / texture.height,
+                textureRect.width / texture.width,
+                textureRect.height / texture.height);
+
+            Graphics.DrawTexture(new Rect(0f, 0f, width, height), texture, uvRect, 0, 0, 0, 0, color);
+        }
+
+        private static Sprite CreateSprite(Texture2D texture, Sprite referenceSprite)
+        {
+            if (texture == null || referenceSprite == null)
+            {
+                return null;
+            }
+
+            float width = Mathf.Max(1f, referenceSprite.rect.width);
+            float height = Mathf.Max(1f, referenceSprite.rect.height);
+            Vector2 pivot = new Vector2(referenceSprite.pivot.x / width, referenceSprite.pivot.y / height);
+            return Sprite.Create(texture, new Rect(0f, 0f, texture.width, texture.height), pivot, referenceSprite.pixelsPerUnit);
+        }
+
+        private static string ToColorKey(Color color)
+        {
+            Color32 c = color;
+            return c.r.ToString("X2", CultureInfo.InvariantCulture) +
+                   c.g.ToString("X2", CultureInfo.InvariantCulture) +
+                   c.b.ToString("X2", CultureInfo.InvariantCulture) +
+                   c.a.ToString("X2", CultureInfo.InvariantCulture);
+        }
+    }
+}

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