Fixed (?) bug with race in singleplayer pregame menu

scripting/DifficultyAdjustment/NGPlusModSettings.reds

@@ -25,6 +25,11 @@ public class UserSettings {
     @runtimeProperty("ModSettings.description", "NewGamePlus_ClampPlayerLevelInTransfer_Desc")
     public let clampPlayerLevel: Bool = true;
 
+    @runtimeProperty("ModSettings.mod", "NewGamePlus_MainMenuButton")
+    @runtimeProperty("ModSettings.displayName", "NewGamePlus_DisableSaveValidation_Name")
+    @runtimeProperty("ModSettings.description", "NewGamePlus_DisableSaveValidation_Desc")
+    public let disableValidationChecks: Bool = false;
+
     @runtimeProperty("ModSettings.mod", "NewGamePlus_MainMenuButton")
     @runtimeProperty("ModSettings.category", "NewGamePlus_Difficulty_Name")
     @runtimeProperty("ModSettings.category.order", "1")
@@ -116,6 +121,7 @@ public class UserSettings {
     }
 }
 
+// Note: should be done on native side by patching DynamicSpawnSystem fields directly!
 public class DynamicSpawnSystemCustomizer extends ScriptableTweak {
     protected cb func OnApply() {
         let settings = UserSettings.Get();

scripting/NGPlusButtonAdder.reds

@@ -3,6 +3,9 @@ module NGPlus.ButtonAdder
 @addField(SingleplayerMenuGameController)
 public let m_hasNewGamePlus: Bool = false;
 
+@addField(SingleplayerMenuGameController)
+public let m_actionListMutex: RWLock;
+
 @wrapMethod(SingleplayerMenuGameController)
 protected cb func OnInitialize() -> Bool {
     wrappedMethod();
@@ -28,6 +31,14 @@ protected cb func OnNewGamePlusSavesReady(hasSaves: Bool) -> Void {
     }
 }
 
+@wrapMethod(SingleplayerMenuGameController)
+protected func ShowActionsList() {
+    // To avoid troubles with callbacks triggering simultaneously or almost simultaneously, add locking
+    RWLock.Acquire(this.m_actionListMutex);
+    wrappedMethod();
+    RWLock.Release(this.m_actionListMutex);
+}
+
 @wrapMethod(gameuiMenuItemListGameController)
 private func AddMenuItem(const label: script_ref<String>, spawnEvent: CName) -> Void {
     wrappedMethod(label, spawnEvent);