From f8b3d8df51664b115e9225a7bc0b13e917e47d1e Mon Sep 17 00:00:00 2001
From: Quit <Quit@users.noreply.github.com>
Date: Sat, 8 Dec 2018 13:38:55 +0100
Subject: [PATCH] Ignore non-constructable plugins

---
 IllusionInjector/PluginManager.cs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/IllusionInjector/PluginManager.cs b/IllusionInjector/PluginManager.cs
index 2a7f836..c0af204 100644
--- a/IllusionInjector/PluginManager.cs
+++ b/IllusionInjector/PluginManager.cs
@@ -48,7 +48,7 @@ namespace IllusionInjector
             {
                 _Plugins.AddRange(LoadPluginsFromFile(Path.Combine(pluginDirectory, s), exeName));
             }
-            
+
 
             // DEBUG
             Console.WriteLine("Running on Unity {0}", UnityEngine.Application.unityVersion);
@@ -76,7 +76,7 @@ namespace IllusionInjector
 
                 foreach (Type t in assembly.GetTypes())
                 {
-                    if (t.GetInterface("IPlugin") != null)
+                    if (IsValidPlugin(t))
                     {
                         try
                         {
@@ -108,6 +108,14 @@ namespace IllusionInjector
             return plugins;
         }
 
+        private static bool IsValidPlugin(Type type)
+        {
+            return type.GetInterface("IPlugin") != null 
+                && !type.IsAbstract 
+                && !type.IsInterface 
+                && type.GetConstructor(Type.EmptyTypes) != null;
+        }
+
         public class AppInfo
         {
             [DllImport("kernel32.dll", CharSet = CharSet.Auto, ExactSpelling = false)]