BepInEx/BepInEx.Preloader.Core/Logging/ChainloaderLogHelper.cs

using System.Linq;
using BepInEx.Logging;
using BepInEx.Shared;
using MonoMod.Utils;

namespace BepInEx.Preloader.Core.Logging;

public static class ChainloaderLogHelper
{
    public static void PrintLogInfo(ManualLogSource log)
    {
        var consoleTitle = $"BepInEx {Paths.BepInExVersion} - {Paths.ProcessName}";
        log.Log(LogLevel.Message, consoleTitle);

        if (ConsoleManager.ConsoleActive)
            ConsoleManager.SetConsoleTitle(consoleTitle);

        //See BuildInfoAttribute for more information about this section.
        var attributes = typeof(BuildInfoAttribute).Assembly.GetCustomAttributes(typeof(BuildInfoAttribute), false);

        if (attributes.Length > 0)
        {
            var attribute = (BuildInfoAttribute) attributes[0];
            log.Log(LogLevel.Message, attribute.Info);
        }

        Logger.Log(LogLevel.Info, $"System platform: {PlatformHelper.Current}");
    }

    public static void RewritePreloaderLogs()
    {
        if (PreloaderConsoleListener.LogEvents == null || PreloaderConsoleListener.LogEvents.Count == 0)
            return;

        // Temporarily disable the console log listener (if there is one from preloader) as we replay the preloader logs
        var logListener = Logger.Listeners.FirstOrDefault(logger => logger is ConsoleLogListener);

        if (logListener != null)
            Logger.Listeners.Remove(logListener);

        foreach (var preloaderLogEvent in PreloaderConsoleListener.LogEvents)
            Logger.InternalLogEvent(PreloaderLogger.Log, preloaderLogEvent);

        if (logListener != null)
            Logger.Listeners.Add(logListener);
    }
}