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Hi, I thought I should document this discussion here, for future reference, as info on this subject has become quite scattered and out of date. I've been wrestling with MD5s for a while now with no success. Importing works but the meshes and armatures are problematic. I decided to start with an animated model from scratch. Followed a few instructions in videos or tutorials (most recently trying out Sotha's solution http://forums.thedarkmod.com/topic/14970-blender-rig-for-standard-male-npc/?do=findComment&comment=325423 ) but have yet to be able to export successfully. The animation oddly enough is working correctly (on the model viewer, havent gotten into the game yet), but the mesh itself is getting horribly deformed. Im using the io_scene_md5 importer/exporter. Going back to version 2.72 didnt solve it for me. In blender After exporting Any thoughts?
edit: TL;DR: I've tweaked the .lwo exporter to preserve autosmooth angle Ahem. When I started writing this post a couple of days ago, it was supposed to be a "please help me, models won't smooth" kind of thing, but as I started taking screenshots and such for a comprehensive view of the problem, the question morphed into a "is there a hack to get .lwo's to export the way .ase's do", then to "how to get the same surface smoothing from Blender as you can get from Lightwave" and eventually to "does anyone around know python and blender enough to fix the export plugin". But then I fixed the addon myself, so it was almost as if there's no point to the thread. However, while googling around for a solution I stumbled upon a whole bunch of incomplete (1,2) or outright wrong (1,2) information, and whenever the question came up the issue was never really resolved completely. That might be because the problem isn't obvious, since a lot of exported models will actually end up correctly smoothed on export, leading one to believe wrong shading in rare cases is due to modeling mistakes / bad shadowmesh / etc. Point is, having the definitive .lwo smoothing post seems useful. Identifying the problem: Here's the mesh. I add an 'edge split' modifier (I use sharp edges while modeling the low poly, so I can uncheck the 'edge angle' option). I can now apply the modifier(s) and export to .ase (triple the mesh either in export options or in modifiers beforehand). The .ase looks alright in-game: Now I'll export it to .lwo using this script. Depending on export options, here are the results: If I also check "remove doubles", I'll lose all of the split (sharp) edges: (recalculating normals on export can be unpredictable as well, so clean up the model beforehand instead) Right about this point I start searching for a solution online, stumble upon this and try the renderbump hack. However, all it seems to do is weld all of the vertices back together at runtime and attempt to smooth the whole surface, similarly to "remove duplicates", but with no upper threshold. (to anyone possibly reading this in the future: don't forget to revert your changes to the materials!) Source of the problem: At this point I still wasn't sure if it's even possible to get .lwo's identical to .ase's, so I installed Lightwave. Naturally, it took some time to eventually stumble upon Surface Editor (F5), and the "smoothing threshold" contained therein. But then I just had to crank it up to 180 and export to "LWO2". That fixes everything in-game: So the issue is trivial, I just have to find a way to somehow pass on a smoothing angle through the exporter. However, the "auto smooth" option on the object data tab doesn't seem to affect anything regardless of angle. Long story short, after some hex-comparison magic, I home in on SMAN block in the exporter script: So what it actually does is set your smoothing angle to either 90°, 86°(??), or 0°, depending on whether you've chosen "idtech compatible", "smoothed", or neither. The solution: Now, I don't know Python and I don't know Blender scripting, so I can't say with full certainty that I didn't break anything. But I did cobble together a version of the script that seems to do the job. Here it is, mirror / do whatever you want with it. If your mesh has autosmooth enabled, and you've checked "idtech" or "smoothed" on export, your chosen autosmooth angle will now transfer to the surface in .lwo: I took the liberty of changing the default export options to what seems to suit TDM the best, you can just open the script in notepad and edit them to your taste. Wrapping up, there are still some mysteries I didn't solve, such as "idtech compatible" models taking up only half the size of models exported otherwise (including from Lightwave itself), there doesn't seem to be any visible difference in-game, at least in TDM. That "1.5 radian" in the code still makes me scratch my head. And I still don't know if the 4-8x size savings over .ase matter for in-game memory at all (but at least I know I won't have to edit the *BITMAPs manually anymore). Even after all this, the .ase still has just slightly better shading, but since the outputs of the exporter and Lightwave itself are now identical, seems safe to say it's as good as it gets.
I am in need of an ASE exporter for Blender. I tried KatsBits ASE export, but it's so old that modern Blender versions don't even list the addon after it's installed. Someone made a thread about an ASE importer recently, but no exporter. I can export to lwo for the time being, but still prefer ase for own reasons.
I know DR can export into OBJ, but I recall it exports brushes as split planes. Is it possible to add option to export brushes as convex manifold meshes (so that level in OBJ ends up being made of multitextured cubes/parallelepipeds) ? Is it also possible to export patches as meshes (or as patches, if OBJ supports them) ? Is it possible to export lights, entities, etc. as dummy/empty objects (or cubes of a small size) with specific name conventions ? (it would be easier to find them in 3D app) Thanks!