Add character & inventory manager

Common/Database/Inventory/InventoryData.cs

@@ -0,0 +1,71 @@
+using MikuSB.Proto;
+using SqlSugar;
+
+namespace MikuSB.Database.Inventory;
+
+[SugarTable("inventory_data")]
+public class InventoryData : BaseDatabaseDataHelper
+{
+    public uint NextUniqueUid { get; set; } = 100000;
+
+    [SugarColumn(IsJson = true)]
+    public Dictionary<uint, BaseGameItemInfo> Items { get; set; } = [];  // Key: UniqueId
+
+    [SugarColumn(IsJson = true)]
+    public Dictionary<uint, GameWeaponInfo> Weapons { get; set; } = [];  // Key: UniqueId
+
+    [SugarColumn(IsJson = true)]
+    public Dictionary<uint, GameSkinInfo> Skins { get; set; } = [];  // Key: UniqueId
+}
+
+public abstract class BaseGameItemInfo
+{
+    public uint UniqueId { get; set; }
+    public ulong TemplateId { get; set; }
+    public uint ItemCount { get; set; }
+}
+
+public abstract class GrowableItemInfo : BaseGameItemInfo
+{
+    public bool IsLocked { get; set; }
+    public uint Level { get; set; }
+    public uint Exp { get; set; }
+    public uint EquipAvatarId { get; set; }
+}
+
+public class GameWeaponInfo : GrowableItemInfo
+{
+    public Item ToProto()
+    {
+        var proto = new Item
+        {
+            Id = UniqueId,
+            Template = TemplateId,
+            Count = ItemCount,
+            Enhance = new Enhance
+            {
+                Level = Level
+            }
+        };
+        return proto;
+    }
+}
+
+public class GameSkinInfo : BaseGameItemInfo
+{
+    public uint Level { get; set; }
+    public Item ToProto()
+    {
+        var proto = new Item
+        {
+            Id = UniqueId,
+            Template = TemplateId,
+            Count = ItemCount,
+            Enhance = new Enhance
+            {
+                Level = Level
+            }
+        };
+        return proto;
+    }
+}