Update static data, and don't hard code it

nksrv/Utils/GameConfig.cs

@@ -0,0 +1,64 @@
+using Newtonsoft.Json;
+using Swan.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace nksrv.Utils
+{
+    public class GameConfigRoot
+    {
+        public StaticData StaticData { get; set; } = new();
+        public string ResourceBaseURL { get; set; } = "";
+    }
+
+    public class StaticData
+    {
+        public string Url { get; set; } = "";
+        public string Version { get; set; } = "";
+        public string Salt1 { get; set; } = "";
+        public string Salt2 { get; set; } = "";
+
+
+        public byte[] GetSalt1Bytes()
+        {
+            return Convert.FromBase64String(Salt1);
+        }
+        public byte[] GetSalt2Bytes()
+        {
+            return Convert.FromBase64String(Salt2);
+        }
+    }
+
+    public static class GameConfig
+    {
+        private static GameConfigRoot? _root;
+        public static GameConfigRoot Root
+        {
+            get
+            {
+                if (_root == null)
+                {
+                    if (!File.Exists(AppDomain.CurrentDomain.BaseDirectory + "/gameconfig.json"))
+                    {
+                        Logger.Error("Gameconfig.json is not found, the game WILL NOT work!");
+                        _root = new GameConfigRoot();
+                    }
+                    Logger.Info("Loaded game config");
+
+
+                    _root = JsonConvert.DeserializeObject<GameConfigRoot>(File.ReadAllText(AppDomain.CurrentDomain.BaseDirectory + "/gameconfig.json"));
+
+                    if (_root == null)
+                    {
+                        throw new Exception("Failed to read gameconfig.json");
+                    }
+                }
+
+                return _root;
+            }
+        }
+    }
+}