Added launcher

2021-10-25 05:40:20 +02:00
parent 079e57b29b
commit 377b99b4a6
24 changed files with 2399 additions and 0 deletions
@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading;
+using Prospect.Launcher.Invoke;
+using Prospect.Launcher.Invoke.Structs;
+
+namespace Prospect.Launcher
+{
+    internal static class Program
+    {
+        /// <summary>
+        ///     Steam AppId.
+        /// </summary>
+        private const string AppId = "1600360";
+        
+        /// <summary>
+        ///     Executable name of the game.
+        /// </summary>
+        private const string FileName = "Prospect-Win64-Shipping.exe";
+        
+        private static void Main(string[] args)
+        {
+            if (args.Length != 1)
+            {
+                Console.WriteLine("Usage: ./Prospect.Launcher <Game directory>");
+                return;
+            }
+            
+            var gamePath = Path.Combine(args[0], "Prospect", "Binaries", "Win64");
+            var gameBinary = Path.Combine(gamePath, FileName);
+            var gameArgs = new List<string>();
+
+            // 2EA46 = Default
+            // A22AB = The Cycle Playtest
+            gameArgs.Add("-log");
+            gameArgs.Add("-windowed");
+            gameArgs.Add("-noeac");
+            gameArgs.Add("-nointro");
+            gameArgs.Add("-steam_auth");
+            gameArgs.Add("PF_TITLEID=A22AB");
+            
+            // Ensure "steam_appid.txt" exists, to fix steam authentication.
+            var steamAppId = Path.Combine(gamePath, "steam_appid.txt");
+
+            if (!File.Exists(steamAppId))
+            {
+                File.WriteAllText(steamAppId, AppId);
+            }
+            
+            // Spawn.
+            var startupInfo = new StartupInfo();
+
+            if (!Kernel32.CreateProcess(gameBinary, string.Join(' ', gameArgs), ProcessCreationFlags.ZERO_FLAG, ref startupInfo, out var processInfo))
+            {
+                Console.WriteLine("Failed to spawn game.");
+                return;
+            }
+            
+            Console.WriteLine("Spawned.");
+
+            // Modify.
+            MemoryHelper memory;
+            
+            while ((memory = MemoryHelper.CreateForHandle(processInfo.hProcess, gameBinary)) == null)
+            {
+                Console.WriteLine("Failed to obtain MemoryHelper.");
+                Thread.Sleep(100);
+            }
+
+            if (!Patches.ChangePlayFabUrl(memory, ".localhost"))
+            {
+                Console.WriteLine("Failed to patch playfab url.");
+                return;
+            }
+
+            Console.WriteLine("Patched.");
+        }
+    }
+}