Remove func MainThread and add SDL Window code back

src/MeloNX/MeloNX/App/Core/Ryujinx/Display/DisplayVisible.swift

@@ -17,7 +17,9 @@ extension UIWindow {
     // Makes the SDLWindow use the current WindowScene instead of making its own window.
     // Also waits for the window to append the on-screen controller
     @objc func wdb_makeKeyAndVisible() {
-        if #unavailable(iOS 17.0) {
+        let enabled =  UserDefaults.standard.bool(forKey: "oldWindowCode")
+        
+        if #unavailable(iOS 17.0), enabled {
             self.windowScene = (UIApplication.shared.connectedScenes.first! as! UIWindowScene)
         }
         
@@ -26,7 +28,7 @@ extension UIWindow {
         
         if #available(iOS 17, *) {
             Ryujinx.shared.repeatuntilfindLayer()
-        } else {
+        } else if UserDefaults.standard.bool(forKey: "isVirtualController") && enabled {
             waitForController()
         }
     }

src/MeloNX/MeloNX/App/Core/Ryujinx/Ryujinx.swift

@@ -145,7 +145,7 @@ class Ryujinx {
         
         isRunning = true
         
-        MainThread {
+        RunLoop.current.perform {
             
             let url = URL(string: config.gamepath)
             
@@ -190,22 +190,6 @@ class Ryujinx {
     }
     
     
-    func MainThread(_ block: @escaping @Sendable () -> Void) {
-        if #available(iOS 17.0, *) {
-            RunLoop.current.perform {
-                autoreleasepool {
-                    block()
-                }
-            }
-        } else {
-            DispatchQueue.main.async {
-                autoreleasepool {
-                    block()
-                }
-            }
-        }
-    }
-    
     func loadGames() -> [Game] {
         let fileManager = FileManager.default
         guard let documentsDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first else { return [] }

src/MeloNX/MeloNX/App/Views/SettingsView/SettingsView.swift

@@ -37,6 +37,9 @@ struct SettingsView: View {
     
     @AppStorage("performacehud") var performacehud: Bool = false
     
+    @AppStorage("oldWindowCode") var windowCode: Bool = false
+    
+    
     @State private var showResolutionInfo = false
     @State private var showAnisotropicInfo = false
     @State private var searchText = ""
@@ -68,6 +71,7 @@ struct SettingsView: View {
                     }
                     .tint(.blue)
                     
+                    
                     Toggle(isOn: $config.enableTextureRecompression) {
                         labelWithIcon("Texture Recompression", iconName: "rectangle.compress.vertical")
                     }
@@ -414,6 +418,13 @@ struct SettingsView: View {
                 Section {
                     labelWithIcon("JIT Acquisition: \(isJITEnabled() ? "Aquired" : "Not Aquired" )", iconName: "bolt.fill")
                     
+                    if #unavailable(iOS 17) {
+                        Toggle(isOn: $windowCode) {
+                            labelWithIcon("SDL Window", iconName: "macwindow.on.rectangle")
+                        }
+                        .tint(.blue)
+                    }
+                    
                     DisclosureGroup {
                         
                         Toggle(isOn: $mVKPreFillBuffer) {
@@ -464,7 +475,11 @@ struct SettingsView: View {
                         .textCase(nil)
                         .headerProminence(.increased)
                 } footer: {
-                    Text("For advanced users. See page size or add custom arguments for experimental features. (Please don't touch this if you don't know what you're doing)")
+                    if #available(iOS 17, *) {
+                        Text("For advanced users. See page size or add custom arguments for experimental features. (Please don't touch this if you don't know what you're doing).")
+                    } else {
+                        Text("For advanced users. See page size or add custom arguments for experimental features. (Please don't touch this if you don't know what you're doing). If the emulation is not showing (you may hear audio in some games), try enabling \"SDL Window\"")
+                    }
                 }
                 
             }