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81 lines
2.7 KiB
81 lines
2.7 KiB
using IPA.Loader;
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using IPA.Logging;
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using System;
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using System.IO;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using static IPA.Logging.Logger;
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namespace IPA.Injector
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{
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public static class Injector
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{
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private static bool injected = false;
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public static void Inject()
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{
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if (!injected)
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{
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injected = true;
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#region Add Library load locations
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AppDomain.CurrentDomain.AssemblyResolve += AssemblyLibLoader;
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try
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{
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if (!SetDllDirectory(Path.Combine(Environment.CurrentDirectory, "Libs", "Native")))
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{
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libLoader.Warn("Unable to add native library path to load path");
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}
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}
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catch (Exception) { }
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#endregion
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var bootstrapper = new GameObject("Bootstrapper").AddComponent<Bootstrapper>();
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bootstrapper.Destroyed += Bootstrapper_Destroyed;
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}
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}
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[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
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[return: MarshalAs(UnmanagedType.Bool)]
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static extern bool SetDllDirectory(string lpPathName);
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#region Managed library loader
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private static string libsDir;
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private static Assembly AssemblyLibLoader(object source, ResolveEventArgs e)
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{
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if (libsDir == null)
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libsDir = Path.Combine(Environment.CurrentDirectory, "Libs");
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var asmName = new AssemblyName(e.Name);
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Log(Level.Debug, $"Resolving library {asmName}");
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var testFilen = Path.Combine(libsDir, $"{asmName.Name}.{asmName.Version}.dll");
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Log(Level.Debug, $"Looking for file {testFilen}");
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if (File.Exists(testFilen))
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return Assembly.LoadFile(testFilen);
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Log(Level.Critical, $"Could not load library {asmName}");
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return null;
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}
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private static void Log(Level lvl, string message)
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{ // multiple proxy methods to delay loading of assemblies until it's done
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if (LogCreated)
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AssemblyLibLoaderCallLogger(lvl, message);
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else
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if (((byte)lvl & (byte)StandardLogger.PrintFilter) != 0)
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Console.WriteLine($"[{lvl}] {message}");
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}
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private static void AssemblyLibLoaderCallLogger(Level lvl, string message)
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{
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libLoader.Log(lvl, message);
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}
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#endregion
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private static void Bootstrapper_Destroyed()
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{
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PluginComponent.Create();
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}
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}
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}
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