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/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 @@
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