Worker thread is now operational

Source/Integration/IntegrationGameModeBase.h

@@ -23,19 +23,11 @@ public:
 	virtual void Tick(float) override;
 	virtual void EndPlay(const EEndPlayReason::Type EndPlayReason);
 
-	// Thread start and shutdown.
-	void LaunchThread();
+	// Thread shutdown and cleanup. Called by Blueprint thread.
 	void WaitForThread();
 
-	// Methods of FRunnable, for the thread to use.
-	virtual bool Init() override;
+	// Method of FRunnable, called by the Luprex thread.
 	virtual uint32 Run() override;
-	virtual void Stop() override;
-
-	// Return true if luprex was successfully initialized.
-	inline bool luprex_initialized() {
-		return Luprex.play_initialize != nullptr;
-	}
 
 	// Set the entire contents of the console output box.
 	UFUNCTION(BlueprintImplementableEvent)
@@ -45,14 +37,32 @@ public:
 	UFUNCTION(BlueprintCallable)
 	void ConsoleSendInput(const FString& text);
 
-	void HandleConsoleOutput();
+	// Transfer console output from the Luprex engine to unreal.
+	void HandleLuprexConsoleOutput();
 
+	// This stores the entire text currently visible in the console.
+	engineutil::ConsoleOutput ConsoleOutput;
 
-	// The worker thread is responsible for networking and event_update
-	FRunnableThread* Thread;
+	// The worker thread.
+	FRunnableThread *Thread;
+
+	// Used to tell the worker thread to stop.
 	bool ThreadStopRequested;
 
-	engineutil::ConsoleOutput ConsoleOutput;
+	// This event is used to wake up the Luprex thread.  Normally,
+	// this means we want the worker to do one processing step.  But
+	// if ThreadStopRequested is true, it means we want the thread
+	// to exit.
+	FEvent* ThreadEvent;
+
+	// This critical section guards the use of the EngineWrapper.
+	FCriticalSection LuprexMutex;
+	
+	// The Luprex wrapper and engine.  You must claim the LuprexMutex
+	// before touching any of these variables.
 	static EngineWrapper Luprex;
 	float EngineSeconds;
+
+	// When do we next trigger the thread event (relative to EngineSeconds).
+	float NextThreadTrigger;
 };