(client)feat:实现子弹定义以及生成，实现初始化动画，实现血条 (#43)

Co-authored-by: zzdxxz <2079238449@qq.com>
Co-committed-by: zzdxxz <2079238449@qq.com>

Client/Assets/Scripts/Managers/ItemResourceManager.cs

@@ -0,0 +1,47 @@
+using System.Collections.Generic;
+using System.Linq;
+using Data;
+using Item;
+
+namespace Managers
+{
+    public class ItemResourceManager:Utils.Singleton<ItemResourceManager>
+    {
+        //定义名，物品
+        public Dictionary<string,Item.ItemResource> items;
+        
+        
+        public void Init()
+        {
+            var itemDefs = Managers.DefineManager.Instance.QueryDefinesByType<ItemDef>();
+            if(itemDefs==null||itemDefs.Length==0)
+                return;
+            foreach (var itemDef in itemDefs)
+            {
+                var item=new Item.ItemResource();
+                item.name = itemDef.label;
+                item.description = itemDef.description;
+
+                item.icon = Managers.PackagesImageManager.Instance.GetSprite(itemDef.texture);
+            }
+        }
+
+        public ItemResource GetItem(string defName)
+        {
+            return items.GetValueOrDefault(defName,null);
+        }
+        // <summary>
+        /// 按物品名称查找物品
+        /// </summary>
+        /// <param name="itemName">要查找的物品名称</param>
+        /// <returns>找到的物品对象，如果未找到则返回 null</returns>
+        public ItemResource FindItemByName(string itemName)
+        {
+            if (string.IsNullOrEmpty(itemName))
+            {
+                return null;
+            }
+            return items.Values.FirstOrDefault(item => item.name == itemName);
+        }
+    }
+}