Initial work on spawning tangibles from Luprex

Source/Integration/IntegrationGameModeBase.h

@@ -46,6 +46,9 @@ public:
 	// Transfer console output from the Luprex engine to unreal.
 	void UpdateConsoleOutput();
 
+	// Update the tangibles according to what Luprex tells us.
+	void UpdateTangibles();
+
 	// Trigger the update task, if enough time has passed.
 	void MaybeTriggerUpdateTask(float deltaseconds);
 
@@ -69,6 +72,10 @@ public:
 	// Luprex socket system.  Aside from construction, only touched by Luprex thread.
 	TUniquePtr<FLpxSockets> Sockets;
 
+	// True if 'BeginPlay' has been successfully completed.
+	//
+	bool Playing;
+
 	// Amount of elapsed time.
 	float EngineSeconds;