Any way to add/replace the walk styles in CAS?

[dajibajaja]

I have seen many excellent animations on the internet, but the only way to use them as I know is to use pose player, which will stop the NPC from whatever he/she was doing.

 

 

I just wonder if there is a mod that can add a new walk style to the game (or replace the existing walk style)?

 

For example, I found some zombie-like walk animations online. Is there any mod that can replace the vampire-like walk style in CAS to the 3rd party zombie-like walk style?

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Or, if the above is too hard, is it possible to make an adult crawl like a toddler ?

In this case, I believe the crawl animation exists in the game package (idk whether the bones of toddlers are different from adults, this might be a new issue), but just won't appear in the CAS as a walk style choice for adults.

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To make it clear, I know there are crawl animations, but they just can't apply to NPCs in their "daily lives" (e.g. to make the sim crawl from his/her bed to the sofa, read a book, and then crawl to the bathroom, take a shower, then crawl back to his/her bed, etc.).