Sims 4:0x8EAF13DE

Rig Resource - _RIG
TypeID:	0x8EAF13DE
Game Version:	The Sims 4

Overview

This is the format for the skeleton/rig of every object in the game.

Format

DWORD Major Version? //3-4
DWORD Minor Version? //1-2
DWORD Bone Count
--repeat(Bone Count)
    FLOAT[3] Position
    FLOAT[4] Orientation //Quaternion 
    FLOAT[3] Scaling?
    DWORD Bone Name Length
    STRING (Bone Name Length ASCII characters)
    DWORD ??? // Something to do with mirrored bones.  It will be the same as the bone's index except in the case of Left/Right mirrored bones it is the index of it's opposite
    DWORD Parent Index
    DWORD Bone Name Hash (FNV 32)
    DWORD Flags? //Usually 0x23, except with mirrored bones, then one will be 0x3F
--if (Major Version >= 4 OR from The Sims 3)
    DWORD Skeleton Name Length
STRING (Skeleton Name Length ASCII characters)
--if (Major Version >= 4 OR from The Sims 4)
    DWORD IK Chain Count
    --repeat(IK Chain Count)
        DWORD Length
        --repeat(Length)  
            DWORD BoneIndex //bone index 
        --if (Major Version >= 4) 
            DWORD InfoNode[11] //bone index 
        DWORD PoleVector //bone index 
        --if (Major Version >= 4)
            DWORD SlotInfo //bone index 
        DWORD SlotOffset //bone index 
        DWORD Root //bone index