You can of course use both methods partially in one mesh.Retopo the sculpt using topology tools and basic modeling tools or start with a decimated triangle mesh and optimize and clean it up.Once your sculpt is exported from Zbrush ( Exporting from Zbrush) it's time to retopo the models.For example if you have a big set of furniture for a specific level, keep them all in one Modo file.It's good to keep all the models of one environment asset set in one Modo file.The low poly model is the one that ends up in the game so it must be neat.You'll need to also consider the baking while retopoing, some smaller details can be flat in the retopo as the normal map will do the work but some bigger forms will need to be seen in the silhouette of the low poly as well.Use as much polygons as needed to achieve a good looking model but don't add polygons to areas where they aren't needed.So the low poly models shouldn't be super low poly if polygons are needed to make the round shapes look nice and curvy without blocky silhouette.Notice that we are usually not making mobile games but games for PC and gaming consoles.The topology should be optimal, not too dense so it'll needlessly burden the performance nor too low so that it'll look too angular and like it came from a 90's 3D game.In retopo it's very important to keep the scale of the object in mind so that the mesh is not too low resolution nor too high resolution.
It's like creating a low-density shell on top of the high density sculpt.Retopology means creating a low-poly mesh based on the high-poly sculpt.3.2.4 Consider the Sway Maps When Making Trees.3.2.3 Mirroring, Recycling and Tile Maps.3.2.2 One Big Map or Several Small Maps?.1.4 How Dense the Low poly mesh should be?.1.3.1.2 "Triangelihuttu": A decimated triangle mesh made in Zbrush & cleaned up in Modo.Your modotounity.py won't even export this animation. When I do bake the ACS rig, it also baked the latest animation as the only animation in the model. It might be due to the ACS rig not being baked. Unity took a very long time to export the animations using the new modotounity.py. Regarding your Modotounity.py it managed to export the actions as takes but it also exported the saved poses as separate takes as well. I guess for very-low poly count characters it's best to start with rigid bind and then work from there. It didn't occur to me to even try using the rigid bind. I re-binded my char using 2 bone limit using rigid bind and everything turned out much better than heat bind which was the prefered bind method in the tutorial videos that I watched. I appears that Unity quality "auto" equates to 2 bones per vertex by default.
I wish I knew about this before tearing out my hair.
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