Assets, Water, Activators, Worldspaces, all through the Editor. The beginning.

Drop in the thread and give your opinion and your help.

http://forum.openmw.org/viewtopic.php?f=3&t=3017&start=30#p36471

Note that this is still very early days. The fork of OpenMW's editor used for all this has not (as of time of typing) been folded back into the main source code branch. OpenMW itself cannot run Oblivion, and has no support for the features in the branch of OpenMW-CS used.

It also needs mentioning that this is not a mod (nor intended to become one) for Morrowind; this is not like certain projects that should not be named on these forums, in any way or shape or form.

If anything comes of this, it would be that (like with Morrowind now) OpenMW could run Oblivion stand-alone, cross-platform. But anything like that is still a fair way down the road, not least of which because it was not (and still is not) an intended goal of the OpenMW team.

Impressive... but as Oblivion uses SpeedTree and Havoc, will it even be possible to fully realize it in OpenMW, even if all other parts of the engine were adjusted to work with it?

Quite possibly not. SpeedTree stuff is generated on the fly, and contained in binaries. You could emulate it perhaps, but it wouldn't be identical. Havok physics would probably be a little easier to replicate, but not much.

If the obstacles could be overcome, this could be fantastic, finally allowing Oblivion to be played without the stutter and lag you get from the original poorly optimized 32 bit engine when you overload it with LOD, AI, etc.

Just the fact that someone is actually looking at this at this point is cool. Thanks for pointing it out because I've totally missed this. The openMW team has done such a fantastic job with Morrowind up to this point. I can't even say enough good things about them. I'd love to see this come to fruition. And I'm sure a few fallout fans would too, since it's most of the same obstacles. But even if it doesn't it's still pretty cool.

would mods be retro-compatible to a Open oblivion?

First, you have to assemble a group of developers that would finish all the necessary steps to turn OpenMW capable to be a real replacement to the Oblivion engine.

Second, the philosophy of OpenMW (version Morrowind) is support every mod created unless that ones that require external programs.

So, the assembled group will have to choose if will support the Oblvion Mods that requires things like script improvements dependent of external programs.

This is an excellent project! The Nine Divines should bless you and OpenMW!

So, mods which require OBSE or dll plugins will need a "revision" to work with the new engine. It makes sense. But an open source engine could allow those mods to break many previous limits!

Yeah, yeah, I know: it's hard to tell right now if a new Oblivion engine will ever see the light, considering the difficult to create equivalent (or even better) technologies to replace SpeedTree and Havok. Maybe using reverse engineering to replicate them could still be considered a violation (Stop right there, criminal scum!!!).

Also, I guess it's better to complete the OpenMW engine first, then create a branch for the OpenOB engine (which could reuse/recycle many parts from the OpenMW engine).

It shouldn't be so difficult, after completing the engine, to support obse dependant mods. However obse dll plugins should be included natively in the code.
A scripting engine should not be so much difficult, respect to all the others.

For physics it should be possible to use an FOSS alternatives to the bugged havok. Or using the fisics engine of OpenMW.
P.S OpenSceneGraph IIRC has an higly capable physics
For speed tree, I don't know if FOSS compatible software exists. But in case I don't consider missing speedtree a blocking issue.

The good things is not only we could possibly include natively features of obse plugins (uncappers, AAV, SDR plugin, OBME, OR itself), but also include new features, some of them can be ported over OpenMW engine (for example native cast when used)

Also I agree with forli. This should be done post OpemMW 1 version. More Complete is OpenMW, probably less work should be done.

So far this was forked from the pre-OSG version, so it would still need to be moved over to use the current code base.

It's worth noting that openMW is completely playable at this point. You can view the open issues on their site. But I use it and the only really noticable thing to me is the water shaders. Morrowind had such great water.

From what I understood there is a major improvement in the OSG branch

As that is now the main codebase of OpenMW it should be better to fork the last codebase.

I know about the playability of OpenMW, and I still track weekly all the open issues

I installed it to play, but I don't have so much time to play ATM