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NitroxClient/GameLogic/PlayerLogic/PlayerPreferences/UnityPreferenceStateProvider.cs

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+using System;
+using System.Collections.Generic;
+using LitJson;
+using UnityEngine;
+
+namespace NitroxClient.GameLogic.PlayerLogic.PlayerPreferences
+{
+    /// <summary>
+    ///     This abstraction allows us to write tests against the preferences manager. Otherwise - we are unduly tied to Unity.
+    /// </summary>
+    public class UnityPreferenceStateProvider : IPreferenceStateProvider
+    {
+        private const string UNITY_PREF_KEY_NAME = "NITROX_PLAYER_PREFS";
+
+        public PlayerPreferenceState GetPreferenceState()
+        {
+            JsonMapper.RegisterImporter((double value) => Convert.ToSingle(value));
+            JsonMapper.RegisterExporter<float>((value, writer) => writer.Write(Convert.ToDouble(value)));
+
+            string playerPreferencesJson = PlayerPrefs.GetString(UNITY_PREF_KEY_NAME);
+
+            if (string.IsNullOrEmpty(playerPreferencesJson) || playerPreferencesJson == "{}")
+            {
+                return new PlayerPreferenceState
+                {
+                    Preferences = new Dictionary<string, PlayerPreference>()
+                };
+            }
+
+            return JsonMapper.ToObject<PlayerPreferenceState>(playerPreferencesJson);
+        }
+
+        public void SavePreferenceState(PlayerPreferenceState preferenceState)
+        {
+            JsonMapper.RegisterImporter((double value) => Convert.ToSingle(value));
+            JsonMapper.RegisterExporter<float>((value, writer) => writer.Write(Convert.ToDouble(value)));
+
+            string playerPreferencesJson = JsonMapper.ToJson(preferenceState);
+            PlayerPrefs.SetString(UNITY_PREF_KEY_NAME, playerPreferencesJson);
+        }
+    }
+}