Initial commit: Star of Words Unity project

Snapshot of the existing Unity 6 language-learning word game before any
refactoring. Adds Unity .gitignore and .gitattributes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Assets/Scripts/SaveSystem.cs

@@ -0,0 +1,135 @@
+using UnityEngine;
+using System.Collections.Generic;
+
+public static class SaveSystem
+{
+    // ============================================================
+    //  BASIC TYPES
+    // ============================================================
+
+    public static void SaveInt(string key, int value)
+    {
+        PlayerPrefs.SetInt(key, value);
+        PlayerPrefs.Save();
+    }
+
+    public static int LoadInt(string key, int defaultValue = 0)
+    {
+        return PlayerPrefs.GetInt(key, defaultValue);
+    }
+
+    public static void SaveFloat(string key, float value)
+    {
+        PlayerPrefs.SetFloat(key, value);
+        PlayerPrefs.Save();
+    }
+
+    public static float LoadFloat(string key, float defaultValue = 0f)
+    {
+        return PlayerPrefs.GetFloat(key, defaultValue);
+    }
+
+    public static void SaveBool(string key, bool value)
+    {
+        PlayerPrefs.SetInt(key, value ? 1 : 0);
+        PlayerPrefs.Save();
+    }
+
+    public static bool LoadBool(string key, bool defaultValue = false)
+    {
+        return PlayerPrefs.GetInt(key, defaultValue ? 1 : 0) == 1;
+    }
+
+    public static void SaveString(string key, string value)
+    {
+        PlayerPrefs.SetString(key, value);
+        PlayerPrefs.Save();
+    }
+
+    public static string LoadString(string key, string defaultValue = "")
+    {
+        return PlayerPrefs.GetString(key, defaultValue);
+    }
+
+    // ============================================================
+    //  JSON LIST / ARRAY SAVE
+    // ============================================================
+
+    public static void SaveList<T>(string key, List<T> list)
+    {
+        string json = JsonUtility.ToJson(new Wrapper<T>(list));
+        PlayerPrefs.SetString(key, json);
+        PlayerPrefs.Save();
+    }
+
+    public static List<T> LoadList<T>(string key)
+    {
+        string json = PlayerPrefs.GetString(key, "");
+
+        if (string.IsNullOrEmpty(json))
+            return new List<T>();
+
+        Wrapper<T> wrapper = JsonUtility.FromJson<Wrapper<T>>(json);
+        return wrapper.items ?? new List<T>();
+    }
+
+    [System.Serializable]
+    private class Wrapper<T>
+    {
+        public List<T> items;
+
+        public Wrapper(List<T> list)
+        {
+            items = list;
+        }
+    }
+
+    // ============================================================
+    //  DELETE SYSTEM
+    // ============================================================
+
+    public static void DeleteKey(string key)
+    {
+        PlayerPrefs.DeleteKey(key);
+    }
+
+    public static void DeleteAll()
+    {
+        PlayerPrefs.DeleteAll();
+    }
+
+    // ============================================================
+    //  SAFETY BACKUP
+    // ============================================================
+
+    public static void Backup(string key)
+    {
+        if (!PlayerPrefs.HasKey(key)) return;
+
+        string val = PlayerPrefs.GetString(key, "");
+        PlayerPrefs.SetString(key + "_backup", val);
+        PlayerPrefs.Save();
+    }
+
+    public static void RestoreBackup(string key)
+    {
+        if (!PlayerPrefs.HasKey(key + "_backup")) return;
+
+        string val = PlayerPrefs.GetString(key + "_backup", "");
+        PlayerPrefs.SetString(key, val);
+        PlayerPrefs.Save();
+    }
+
+    // ============================================================
+    //  MANUAL SAVE (Performans İyileştirmesi)
+    // ============================================================
+
+    /// <summary>
+    /// Tüm PlayerPrefs değişikliklerini tek seferde diske kaydeder.
+    /// Çoklu set işlemlerinden sonra çağırılması önerilir.
+    /// </summary>
+    public static void Save()
+    {
+        PlayerPrefs.Save();
+    }
+}