Anim File Format

LLKeyframeMotion::onLoadComplete line 2250 call to unpacker.

LLDataPackerBinaryBuffer dp(buffer, size);
if (motionp->deserialize(dp))

BOOL LLKeyframeMotion::deserialize(LLDataPacker& dp) //Where we unpack anim format.

Strings from binary unpacker are: S32 for length of string, string data (no null terminator) EX: cat=3cat

Type	Name	Values possible	Notes
U16	Version	1	//Required to be 1.
U16	Sub Version	0	//Required as 0.
S32	Base Priority	USE_MOTION_PRIORITY = -1, LOW_PRIORITY = 0, MEDIUM_PRIORITY, HIGH_PRIORITY, HIGHER_PRIORITY, HIGHEST_PRIORITY, ADDITIVE_PRIORITY = LL_CHARACTER_MAX_PRIORITY	//Needs to be UI element in anim exporter.
F32	Duration	Number secs for anim to run
String	Emote_Name	String to identify animation.	//Verify
F32	Loop In Point	Sec where loop starts
F32	Loop Out Point	Sec where loop ends
S32	Loop	True/False	//Converts to bool
F32	Ease-in duration	Secs
F32	Ease-out duration	Secs
U32	Num Hand Poses		//I think this can be 0 for my purposes. ;)
U32	Num Joint Motions	<= max joints of skeleton	//Number of joints that move in this anim.

For each joint with motion

String	Joint name	joint to move
S32	Joint priority	See above
S32	Num Rot Keys	Number of rotation keys for this joint	//Must be > 0.

• For each rotation in this JointMotion
  • S32num_rot_keys Foreach:
    • u16 time //Converted to F32 for secs
    • 3 U16 X,Y,Z
  • S32 num_pos_keys Foreach:
    • u16 time //converted to F32 as secs.
    • 3 U16 X,Y,Z


 
 S32 num_constraints //It looks like constraints are used for some kind of IK system? O_O For Each:

• U8 chain_length (number of joints in chain.
• U8 constraint_type //Types: CONSTRAINT_TYPE_POINT, CONSTRAINT_TYPE_PLANE
• 16bytes source_volume //Collision volume ID string.
• 12bytes source_offset (A Vector3; 3 F32s)
• 16bytes target_volume //GROUND or collision_volume_id
• 12bytes target_offset (A vector3; F32s)
• 12bytes target_dir (A vector3 of F32s)
• F32 constraint ease_in_start
• F32 constraint ease_in_stop
• F32 constraint ease_out_start
• F32 constraint ease_out_stop