Hi. Firstly, I want to mention that this is not an engine war thread. I wish to know if there are tools that bring an entire scene from Unity to Unreal and from Unreal to Unity. It would be nice to be able to build your game in the two engines in the same time…or start a project in one and finish in other.
As for things that could be transfered, beside fbx files:
Metadata conversion
Objects location, rotation and scale
Shader data conversion
Lights
…
Sorry, I don’t believe so… Best thing you can do is export any scenes as FBX then import them into Unity (re-size in a 3D modeller), snapshot your materials and use something like shaderforge to re-create them.
I am not sure about UE4, but if you open Unity scene using text editor it will contain data about objects, what’s their transform properties, what components do they have and what settings they have.
That might get you started.
I guess a scene converter could be possible. Still, if some of the comminity creates such a converter, would Unity Technologies allow it ? As I remember, on UE4 forum, someone asked Epic if they could create themselves such a converter, and they responded that for legal reasons they can’t do that, but the community can.
I don’t think there’s really demand for it unless you happen to have a commercial game and no choice… Think of it it like this, transferring a project to and from UE4/Unity is actually a great way to learn about both engines, and more about gamedev in general.
I wouldn’t put it past someone somewhere to keep making subtle changes to the format of the scene file to break a tool like this. I could be wrong, but it seems like something someone might do if a tool like this started to make it easy for users to leave.
Switching your logic over would also be a nightmare.
You would have made a killing in the market a year ago, when all the shiniez fanboyz switched from Unity 4 to Unreal, then back from Unreal to Unity 5.
Unfortunately the shiniez bubble has collapsed and now people will have only valid reasons left to switch between engines.
Hi, i dont usually post on Unity forums,
but there is a tool that i use to make prefabs to .dae ->blender to .fbx → [other tool], in my case UE4
I dont know how it works with entire scenes but in the description it says:
"you can take assets or your entire scene from Unity to any COLLADA (.dae format) "
You could make any question to the publisher.
You could write a script for each engine’s editor that is designed to batch export/import objects in the scenes along with their transforms. This way you’re not having to keep up with file formats but rather simply dealing with minor API changes.
That’s clever. A common format that could then be parsed by plugins for both editors. Do that properly and you could actually set up a work flow where half of your team works in each engine.
Don’t ask why anyone would want to do this. Best answer would be because we can.
Wow … thx for the link, Kory-therapy.
Is that Converter really true ? Can´t believe it ! And is it just a optical-illusion, or does it seems that the city-scene imported into UE4 looks on the fly much better ? Anyways, really interesting ! Can also be useful for many things.
I have seen some assets I like on UE store, so I have just for fun looked into the possibility. You could create a editor script in UE4 that outputs the scene in some data format (prefibly in a naming convention style so its easy to find the assets later in unity). Make sure you import all assets used (This is were the work will be converting all materials etc). Then in an empty unity use the tool to again to create and position all the assets
