chat cmd & hopefully proper avatar level up

Common/Utils/ExcelReader/AvatarLevelData.cs

@@ -0,0 +1,64 @@
+using Newtonsoft.Json;
+
+namespace Common.Utils.ExcelReader
+{
+    public class AvatarLevelData : BaseExcelReader<AvatarLevelData, AvatarLevelDataExcel>
+    {
+        public override string FileName { get { return "AvatarLevelData.json"; } }
+
+        public PlayerLevelData.LevelData CalculateLevel(int exp)
+        {
+            int level = 1;
+            int expRemain = exp;
+
+            foreach (AvatarLevelDataExcel levelData in All)
+            {
+                if (expRemain < 1)
+                {
+                    break;
+                }
+                else if (expRemain >= levelData.Exp)
+                {
+                    if (level == All.OrderByDescending(level => level.Level).First().Level) 
+                    {
+                        expRemain = All.OrderByDescending(level => level.Level).First().Exp;
+                        break;
+                    }
+
+                    level++;
+                    expRemain -= levelData.Exp;
+                }
+            }
+
+            return new PlayerLevelData.LevelData(level, expRemain);
+        }
+        
+        public int CalculateCost(int startLevel, int endLevel)
+        {
+            int[] costs = All.Where(level => level.Level > startLevel && level.Level < endLevel).Select(level => level.Cost).ToArray();
+            return costs.Sum();
+        }
+    }
+
+#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
+    public partial class AvatarLevelDataExcel
+    {
+        [JsonProperty("exp")]
+        public int Exp { get; set; }
+
+        [JsonProperty("cost")]
+        public int Cost { get; set; }
+
+        [JsonProperty("avatarAssistConf")]
+        public double AvatarAssistConf { get; set; }
+
+        [JsonProperty("subSkillScoin")]
+        public int SubSkillScoin { get; set; }
+
+        [JsonProperty("DataImpl")]
+        public object DataImpl { get; set; }
+
+        [JsonProperty("level")]
+        public int Level { get; set; }
+    }
+}

Common/Utils/ExcelReader/MaterialData.cs

@@ -5,6 +5,11 @@ namespace Common.Utils.ExcelReader
     public class MaterialData : BaseExcelReader<MaterialData, MaterialDataExcel>
     {
         public override string FileName { get { return "MaterialData.json"; } }
+
+        public MaterialDataExcel? FromId(uint id)
+        {
+            return All.Where(material => material.Id == id).FirstOrDefault();
+        }
     }
 
 #pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.