Move angle conversion functions
Extract function
Move function
Rename variable
Rename skeleton struct
Rename bone struct
Move skeleton related structs to own file
Code style
Rename 3d object skeleton member
Rename vertex group struct
Remove EERIE_3DPAD
Replace pointer with const reference
Use temporary variable
Use temporary variable
Extract function
Use std:: sin/cos
Return result by value, replace pointer with reference
Move conversion to radians into QuatFromAngles
Replace EEsin/cos
Code style