(client) feat:实现掉落物，UI显示，维度

Client/Assets/Scripts/Data/EventDef.cs

@@ -0,0 +1,21 @@
+namespace Data
+{
+    public enum EventType
+    {
+        None,
+        SpawnCharacter,
+        SpawnBuilding,
+        SpawnBullet,
+        SpawnPickup,
+        SpawnDefaultEntity,
+    }
+    public class EventDef : Define
+    {
+        public EventType eventType = EventType.None;
+        public EntityDef entityDef_Character; // 用于 EventType.SpawnCharacter
+        public BuildingDef entityDef_Building;   // 用于 EventType.SpawnBuilding
+        public BulletDef entityDef_Bullet;     // 用于 EventType.SpawnBullet
+        public ItemDef entityDef_Pickup;       // 用于 EventType.SpawnPickup
+        public EventDef() { }
+    }
+}

Client/Assets/Scripts/Data/EventDef.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 70b8a820a04c4cafad4c9b91b9d3b01d
+timeCreated: 1756267922

Client/Assets/Scripts/Data/ItemDef.cs

@@ -10,7 +10,8 @@ namespace Data
     }
     public class ItemDef : Define
     {
-        public ImageDef texture;
+        public float FPS = 0;
+        public string[] textures;
         public ItemRarity rarity = ItemRarity.Common;
         public int maxStack = 10; // 最大堆叠数量，默认为10
         public bool ssEquippable = false; // 是否可装备