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88 lines
3.2 KiB
88 lines
3.2 KiB
using Harmony;
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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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public static void Main(string[] args)
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{ // entry point for doorstop
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// At this point, literally nothing but mscorlib is loaded,
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// and since this class doesn't have any static fields that
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// aren't defined in mscorlib, we can control exactly what
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// gets loaded.
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// This loads AppDomain, System.IO, System.Collections.Generic, and System.Reflection.
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// If kernel32.dll is not already loaded, this will also load it.
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// This call also loads IPA.Loader and initializes the logging system. In the process
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// it loads Ionic.Zip.
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SetupLibraryLoading();
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// This loads System.Runtime.InteropServices, and Microsoft.Win32.SafeHandles.
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Windows.WinConsole.Initialize();
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// This will load Harmony and UnityEngine.CoreModule
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InstallBootstrapPatch();
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}
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private static void InstallBootstrapPatch()
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{
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var harmony = HarmonyInstance.Create("IPA_NonDestructive_Bootstrapper");
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// patch the Application static constructor to create the bootstrapper after being called
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harmony.Patch(typeof(Application).TypeInitializer, null, new HarmonyMethod(typeof(Injector).GetMethod(nameof(CreateBootstrapper), BindingFlags.NonPublic | BindingFlags.Static)));
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}
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private static void CreateBootstrapper()
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{
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var bootstrapper = new GameObject("NonDestructiveBootstrapper").AddComponent<Bootstrapper>();
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bootstrapper.Destroyed += Bootstrapper_Destroyed;
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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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Windows.WinConsole.Initialize();
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SetupLibraryLoading();
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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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private static bool loadingDone = false;
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public static void SetupLibraryLoading()
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{
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if (loadingDone) return;
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loadingDone = true;
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#region Add Library load locations
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AppDomain.CurrentDomain.AssemblyResolve += LibLoader.AssemblyLibLoader;
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try
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{
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if (!SetDllDirectory(LibLoader.NativeDir))
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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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}
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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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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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