Add Output Path Config Prototype

Data/GlobalSettings.cs

@@ -0,0 +1,79 @@
+using System;
+using System.IO;
+using MelonLoader;
+using MelonLoader.Utils;
+using Newtonsoft.Json;
+
+namespace ADOFAIRenderer.Data;
+
+public class GlobalConfig
+{
+    public string? OutputDirectory { get; set; }
+}
+
+public static class GlobalSettings
+{
+    private static string SettingsFilePath =>
+        Path.Combine(MelonEnvironment.GameRootDirectory, "UserData", "ADOFAIRenderer", "global_settings.json");
+
+    public static GlobalConfig Current { get; set; } = new();
+
+    public static string DefaultOutputDirectory =>
+        Path.Combine(MelonEnvironment.GameRootDirectory, "Render");
+
+    public static string EffectiveOutputDirectory
+    {
+        get
+        {
+            if (!string.IsNullOrWhiteSpace(Current.OutputDirectory) && Directory.Exists(Current.OutputDirectory))
+            {
+                return Current.OutputDirectory;
+            }
+
+            return DefaultOutputDirectory;
+        }
+    }
+
+    static GlobalSettings()
+    {
+        Load();
+    }
+
+    public static void Load()
+    {
+        try
+        {
+            if (File.Exists(SettingsFilePath))
+            {
+                var json = File.ReadAllText(SettingsFilePath);
+                Current = JsonConvert.DeserializeObject<GlobalConfig>(json) ?? new GlobalConfig();
+                return;
+            }
+        }
+        catch (Exception ex)
+        {
+            MelonLogger.Warning($"[GlobalSettings] Failed to load global settings: {ex.Message}");
+        }
+
+        Current = new GlobalConfig();
+    }
+
+    public static void Save()
+    {
+        try
+        {
+            var dir = Path.GetDirectoryName(SettingsFilePath);
+            if (!string.IsNullOrEmpty(dir) && !Directory.Exists(dir))
+            {
+                Directory.CreateDirectory(dir);
+            }
+
+            var json = JsonConvert.SerializeObject(Current, Formatting.Indented);
+            File.WriteAllText(SettingsFilePath, json);
+        }
+        catch (Exception ex)
+        {
+            MelonLogger.Warning($"[GlobalSettings] Failed to save global settings: {ex.Message}");
+        }
+    }
+}