Switch piracy check to warning

Author: Top-Cat

IPA.Injector/AntiPiracy.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
@@ -15,7 +16,7 @@ internal static class AntiPiracy
             "ReShadePreset.ini"
         };
 
-        public static bool IsInvalid(string path)
+        public static IEnumerable<string> IsInvalid(string path)
         {
             var dataPlugins = Path.Combine(GameVersionEarly.ResolveDataPath(path), "Plugins");
 
@@ -37,8 +38,10 @@ public static bool IsInvalid(string path)
 
             // To the guys that maintain a fork that removes this code: I would greatly appreciate if we could talk
             //   about this for a little bit. Please message me on Discord at DaNike#6223
-            return Directory.EnumerateFiles(path, "*").Any(IsInvalidFile) ||
-                   Directory.EnumerateFiles(dataPlugins, "*", SearchOption.AllDirectories).Any(IsInvalidFile);
+            return Directory.EnumerateFiles(path, "*")
+                .Concat(Directory.EnumerateFiles(dataPlugins, "*", SearchOption.AllDirectories))
+                .Where(IsInvalidFile)
+                .Select(file => file.Substring(path.Length + 1));
         }
 
         private static bool IsInvalidFile(string filePath)

IPA.Injector/Injector.cs

@@ -10,6 +10,7 @@
 using System;
 using System.Diagnostics;
 using System.IO;
+using System.Linq;
 using System.Reflection;
 using System.Threading.Tasks;
 using UnityEngine;
@@ -55,11 +56,10 @@ internal static void Main(string[] args)
 
                 Default.Debug("Initializing logger");
 
-                if (AntiPiracy.IsInvalid(Environment.CurrentDirectory))
+                var invalidFiles = AntiPiracy.IsInvalid(Environment.CurrentDirectory).ToList();
+                if (invalidFiles.Any())
                 {
-                    Default.Error("Invalid installation; please buy the game to run BSIPA.");
-
-                    return;
+                    Default.Warn($"Invalid installation; Unknown files: {string.Join(", ", invalidFiles)}");
                 }
 
                 EnsureDirectories();