Support vanilla OGRE 13 (without special CMake flags)

[ThibaultLemaire]

So the wiki currently states that SR >=2.7 requires a version of OGRE compiled with

OGRE_RESOURCEMANAGER_STRICT=0
OGRE_NODELESS_POSITIONING=ON

Would it be possible to support OGRE 13 without those flags?

Context:
I'm packaging SR 2.7 for Nixpkgs, and having a different version of OGRE means compiling twice and keeping twice the binaries in the caches. We try to keep duplication to a minimum within a single version of Nixpkgs. (See NixOS/nixpkgs#211152)

P.S.: Thanks for the great game, I've been playing on and off since 2017 and I'm looking forward to discovering that 2.7!

[cryham]

Hi.
For OGRE_NODELESS_POSITIONING it should be rather easy.
But for OGRE_RESOURCEMANAGER_STRICT I tried and it was difficult in SR 2.7, I resigned from that.
Are you sure those are set by default? I was told it depends.
I'm also focused on stuntrally3 and won't really do much in SR 2.7.

[ThibaultLemaire]

Are you sure those are set by default?

I'm not sure what you mean. SR 2.7 does not compile with the version of OGRE packaged in nixpkgs. I have had to make a slightly different OGRE package with OGRE_NODELESS_POSITIONING=ON (and OGRE_RESOURCEMANAGER_STRICT=0 without which the game compiles but textures are broken) which is what I mean by "duplication".

I'm only a small contributor to nixpkgs so I don't know how much of an issue that duplication is for nixpkgs maintainers. I just wanted to let you know, and have an issue to track in case that is a problem.

I think what matters is that we converge on the long run, and it's okay if that's never fixed for 2.7.

[cryham]

Ok thanks. Yes I wanted to make sure you need both settings to build SR 2.7 there.