Initial implementation of config system

BepInEx/BepInEx.csproj

@@ -61,6 +61,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="BepInComponent.cs" />
+    <Compile Include="Config.cs" />
     <Compile Include="ConsoleUtil\ConsoleEncoding\ConsoleEncoding.Buffers.cs" />
     <Compile Include="ConsoleUtil\ConsoleEncoding\ConsoleEncoding.cs" />
     <Compile Include="ConsoleUtil\ConsoleEncoding\ConsoleEncoding.PInvoke.cs" />

BepInEx/Config.cs

@@ -0,0 +1,65 @@
+using BepInEx.Common;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace BepInEx
+{
+    public static class Config
+    {
+        private static Dictionary<string, string> cache = new Dictionary<string, string>();
+
+        private static string configPath => Path.Combine(Utility.PluginsDirectory, "config.ini");
+
+        public static bool SaveOnConfigSet { get; set; } = true;
+
+        static Config()
+        {
+            if (File.Exists(configPath))
+            {
+                ReloadConfig();
+            }
+            else
+            {
+                SaveConfig();
+            }
+        }
+
+        public static void ReloadConfig()
+        {
+            cache.Clear();
+
+            foreach (string line in File.ReadAllLines(configPath))
+            {
+                string[] split = line.Split('=');
+                if (split.Length != 2)
+                    continue;
+
+                cache[split[0]] = split[1];
+            }
+        }
+
+        public static void SaveConfig()
+        {
+            File.WriteAllLines(configPath, cache.Select(x => $"{x.Key}={x.Value}").ToArray());
+        }
+
+        public static string GetEntry(string key, string defaultValue)
+        {
+            if (cache.TryGetValue(key, out string value))
+                return value;
+            else
+                return defaultValue;
+        }
+
+        public static void SetEntry(string key, string value)
+        {
+            cache[key] = value;
+
+            if (SaveOnConfigSet)
+                SaveConfig();
+        }
+    }
+}