Dungeon Architect

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@uced, You can access your blueprint variables from C++ (link)

Alternatively, you can code up your marker emitter within C++ itself, if you don’t want C++ to blueprint communications.

You would derive from UDungeonMarkerEmitter

MyDungeonEmitter.h



class UMyDungeonEmitter : public UDungeonMarkerEmitter
{
	GENERATED_BODY()
public:
     virtual void EmitMarkers_Implementation(UDungeonBuilder* Builder, UDungeonModel* Model, UDungeonConfig* Config, UDungeonQuery* Query) override;

};

MyDungeonEmitter.cpp



#include "DA413X.h"	// pch
#include "MyDungeonEmitter.h"

void UMyDungeonEmitter::EmitMarkers_Implementation(UDungeonBuilder* Builder, UDungeonModel* Model, UDungeonConfig* Config, UDungeonQuery* Query)
{
   // your logic 
   // Emit markers like this
   
	FTransform transform;
	Builder->EmitMarker("MyMarkerName", transform);
}

This way your code class is statically types and you can reference and set the variables of this class from your code while adding the emitter to the dungeon actor



// create an object from this BP class
UMyDungeonEmitter* DAEmptySpaceEmitter = NewObject<UMyDungeonEmitter>(this);

// if ok, use it
if (DAEmptySpaceEmitter)
{
	MarkerEmitters.Add(DAEmptySpaceEmitter);
	DAEmptySpaceEmitter->MyAttribute = MyValue; // directly reference and set anything you like 
}