45 lines
1.8 KiB
C#
45 lines
1.8 KiB
C#
// SPDX-License-Identifier: GPL-3.0-only
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Runtime.InteropServices;
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namespace BlockMelonLoader
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{
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public static class LoaderGuard
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{
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public static void EnsureAllowed(string modName)
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{
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EnsureAllowed(modName, AppDomain.CurrentDomain.GetAssemblies(), ShowAlert, Environment.FailFast);
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}
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internal static void EnsureAllowed(string modName, IEnumerable<Assembly> assemblies,
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Action<string> showAlert, Action<string> terminate)
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{
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foreach (var assembly in assemblies)
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{
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if (!string.Equals(assembly.GetName().Name, "MelonLoader", StringComparison.OrdinalIgnoreCase))
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continue;
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var message = modName + " cannot run while MelonLoader is active.\n\n"
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+ "Remove MelonLoader and install this mod using Unity Mod Manager.\n\n"
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+ "The game will close after this message.";
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// Loader exception handlers can swallow a thrown exception, so termination
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// must happen even if the native dialog fails.
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try { showAlert(message); }
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finally { terminate(message); }
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return;
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}
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}
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private static void ShowAlert(string message)
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{
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Console.Error.WriteLine(message);
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if (Environment.OSVersion.Platform == PlatformID.Win32NT)
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MessageBoxW(IntPtr.Zero, message, "Unsupported mod loader", 0x10 | 0x10000);
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}
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[DllImport("user32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
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private static extern int MessageBoxW(IntPtr window, string text, string caption, uint type);
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}
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}
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