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Randomly generated NPC's with meshes, one atlas?

KaiElde

Hello!

I apologize beforehand if this has been documented, i just couldnt wrap my head around it, im just painting the stuff and animating it😛

We are making a game that allows the player to rescure NPC's and bring them back to a town. These NPC's will be randomly generated when it comes to their skintones, hairstyles, and ofcourse clothing.

Now, their clothing are meshes, im deforming them in animation to give them more life. We have a male and female, they have their own skeletons, but they both come with quite a few meshes for torso,belt and lower torso.

As i understand it, skinning requires the meshes to be in the same atlas, which would make the atlas incredibly large once all their combinations are in it. IS there a way to save this stuff to separate atlases or something? One giant atlas is probably fine, im not a programmer, im just curious what you guys would do for a game like this?

Let me know if anything is unclear, ill try to explain as best as i can!

Nate

There is no requirement where texture regions come from at runtime. A single texture atlas can have many textures (called texture atlas pages). You generally want the texture regions on a single atlas page to reduce draw calls, but it is not a requirement for most runtimes. If there are too many draw calls and performance suffers, it is possible to determine what texture regions you need for a given skeleton attachment configuration and create a single texture containing those texture regions at runtime.