LaunchInitializer.cs

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using System;
using System.Diagnostics;
using Terraria.Localization;
using Terraria.Social;
 
namespace Terraria.Initializers;
 
public static class LaunchInitializer
{
    public static void LoadParameters(Main game)
    {
        LoadSharedParameters(game);
        if (Main.dedServ)
        {
            LoadServerParameters(game);
        }
        LoadClientParameters(game);
    }
 
    private static void LoadSharedParameters(Main game)
    {
        string path;
        if ((path = TryParameter("-loadlib")) != null)
        {
            game.loadLib(path);
        }
        string s;
        if ((s = TryParameter("-p", "-port")) != null && int.TryParse(s, out var result))
        {
            Netplay.ListenPort = result;
        }
    }
 
    private static void LoadClientParameters(Main game)
    {
        string iP;
        if ((iP = TryParameter("-j", "-join")) != null)
        {
            game.AutoJoin(iP);
        }
        string arg;
        if ((arg = TryParameter("-pass", "-password")) != null)
        {
            Netplay.ServerPassword = Main.ConvertFromSafeArgument(arg);
            game.AutoPass();
        }
        if (HasParameter("-host"))
        {
            game.AutoHost();
        }
    }
 
    private static void LoadServerParameters(Main game)
    {
        try
        {
            string s;
            if ((s = TryParameter("-forcepriority")) != null)
            {
                Process currentProcess = Process.GetCurrentProcess();
                if (int.TryParse(s, out var result))
                {
                    switch (result)
                    {
                    case 0:
                        currentProcess.PriorityClass = ProcessPriorityClass.RealTime;
                        break;
                    case 1:
                        currentProcess.PriorityClass = ProcessPriorityClass.High;
                        break;
                    case 2:
                        currentProcess.PriorityClass = ProcessPriorityClass.AboveNormal;
                        break;
                    case 3:
                        currentProcess.PriorityClass = ProcessPriorityClass.Normal;
                        break;
                    case 4:
                        currentProcess.PriorityClass = ProcessPriorityClass.BelowNormal;
                        break;
                    case 5:
                        currentProcess.PriorityClass = ProcessPriorityClass.Idle;
                        break;
                    default:
                        currentProcess.PriorityClass = ProcessPriorityClass.High;
                        break;
                    }
                }
                else
                {
                    currentProcess.PriorityClass = ProcessPriorityClass.High;
                }
            }
            else
            {
                Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.High;
            }
        }
        catch
        {
        }
        string value;
        if ((value = TryParameter("-maxplayers", "-players")) != null)
        {
            int num = Convert.ToInt32(value);
            if (num <= 255 && num >= 1)
            {
                game.SetNetPlayers(num);
            }
        }
        string arg;
        if ((arg = TryParameter("-pass", "-password")) != null)
        {
            Netplay.ServerPassword = Main.ConvertFromSafeArgument(arg);
        }
        string s2;
        if ((s2 = TryParameter("-lang")) != null && int.TryParse(s2, out var result2))
        {
            LanguageManager.Instance.SetLanguage(result2);
        }
        if ((s2 = TryParameter("-language")) != null)
        {
            LanguageManager.Instance.SetLanguage(s2);
        }
        string worldName;
        if ((worldName = TryParameter("-worldname")) != null)
        {
            game.SetWorldName(worldName);
        }
        string newMOTD;
        if ((newMOTD = TryParameter("-motd")) != null)
        {
            game.NewMOTD(newMOTD);
        }
        string banFilePath;
        if ((banFilePath = TryParameter("-banlist")) != null)
        {
            Netplay.BanFilePath = banFilePath;
        }
        if (HasParameter("-autoshutdown"))
        {
            game.EnableAutoShutdown();
        }
        if (HasParameter("-secure"))
        {
            Netplay.SpamCheck = true;
        }
        string serverWorldRollbacks;
        if ((serverWorldRollbacks = TryParameter("-worldrollbackstokeep")) != null)
        {
            game.setServerWorldRollbacks(serverWorldRollbacks);
        }
        string worldSize;
        if ((worldSize = TryParameter("-autocreate")) != null)
        {
            game.autoCreate(worldSize);
        }
        if (HasParameter("-noupnp"))
        {
            Netplay.UseUPNP = false;
        }
        if (HasParameter("-experimental"))
        {
            Main.UseExperimentalFeatures = true;
        }
        string world;
        if ((world = TryParameter("-world")) != null)
        {
            game.SetWorld(world, cloud: false);
        }
        else if (SocialAPI.Mode == SocialMode.Steam && (world = TryParameter("-cloudworld")) != null)
        {
            game.SetWorld(world, cloud: true);
        }
        string configPath;
        if ((configPath = TryParameter("-config")) != null)
        {
            game.LoadDedConfig(configPath);
        }
        string autogenSeedName;
        if ((autogenSeedName = TryParameter("-seed")) != null)
        {
            Main.AutogenSeedName = autogenSeedName;
        }
    }
 
    private static bool HasParameter(params string[] keys)
    {
        for (int i = 0; i < keys.Length; i++)
        {
            if (Program.LaunchParameters.ContainsKey(keys[i]))
            {
                return true;
            }
        }
        return false;
    }
 
    private static string TryParameter(params string[] keys)
    {
        for (int i = 0; i < keys.Length; i++)
        {
            if (Program.LaunchParameters.TryGetValue(keys[i], out var value))
            {
                if (value == null)
                {
                    return "";
                }
                return value;
            }
        }
        return null;
    }
}