Lots of SzGui work

SzGui/ApplicationSettings.cs

@@ -0,0 +1,81 @@
+using System.IO;
+using Raylib_cs;
+using Tomlyn;
+
+namespace SzGui;
+
+public static class ApplicationSettings
+{
+    private static Dictionary<string, object> _settings = new();
+    private static readonly string _filePath = "settings.toml";
+
+    public static Dictionary<string, object> GetAllSettings() => _settings;
+
+    public static void CreateInitialSettings()
+    {
+        CreateSetting("ShowStartup", false);
+        CreateSetting("BackgroundColor", Color.DarkGray);
+        SaveSettings();
+    }
+    
+    public static T GetSettingValue<T>(string settingName, T defaultValue = default!)
+    {
+        if (_settings.TryGetValue(settingName, out var value))
+        {
+            try 
+            {
+                if (typeof(T) == typeof(float) && value is double d)
+                    return (T)(object)(float)d;
+                
+                return (T)Convert.ChangeType(value, typeof(T));
+            }
+            catch { return defaultValue; }
+        }
+        return defaultValue;
+    }
+
+    public static bool SetSettingValue(string settingName, object value)
+    {
+        if (!_settings.ContainsKey(settingName)) return false;
+        _settings[settingName] = value;
+        return true;
+    }
+
+    public static bool CreateSetting(string name, object value)
+    {
+        return _settings.TryAdd(name, value);
+    }
+
+    public static void SaveSettings()
+    {
+        try
+        {
+            var saveDict = new Dictionary<string, object>();
+        
+            foreach(var kvp in _settings)
+            {
+                if (kvp.Value is Color c)
+                    saveDict[kvp.Key] = new int[] { c.R, c.G, c.B };
+                else
+                    saveDict[kvp.Key] = kvp.Value;
+            }
+
+            var tomlString = Toml.FromModel(saveDict);
+            File.WriteAllText(_filePath, tomlString);
+        }
+        catch (Exception ex) { Console.WriteLine($"Save Error: {ex.Message}"); }
+    }
+
+    public static void LoadSettings()
+    {
+        if (!File.Exists(_filePath)) { SaveSettings(); return; }
+
+        try
+        {
+            var tomlString = File.ReadAllText(_filePath);
+            var loaded = Toml.ToModel<Dictionary<string, object>>(tomlString);
+            if (loaded != null) _settings = loaded;
+        }
+        catch (Exception ex) { Console.WriteLine($"Load Error: {ex.Message}"); }
+    }
+}