U4DEngine::U4DArmatureData Class Reference

The U4DArmatureData class represents the bone armature of the 3D entity. More...

Public Member Functions
	U4DArmatureData (U4DModel *uModel)
	Constructor for the class.
	~U4DArmatureData ()
	Destructor for the class.
void	addBoneToTree (U4DBoneData *uParent, U4DBoneData *uChild)
	Method which adds a bone to the armature tree. More...
void	removeBoneFromTree (std::string uChildBoneName)
	Method which removes a bone from the armature tree. More...
void	updateBoneIndexCount ()
	Method which updates the bone index count.
void	setRootBone (U4DBoneData *uBoneData)
	Method which assigns a bone to be the root bone for the armature. More...
void	setVertexWeightsAndBoneIndices ()
	Method which starts the bone sorting and prepares the attribute data (bone weight) of the bones.
void	prepareAndSendBoneDataToBuffer (std::vector< U4DBoneData * > &uBoneDataContainer, int boneVertexWeightIndex)
	Method which sends bone weight and indices (attributes) to the opengl buffer. More...
void	reHeapDown (std::vector< U4DBoneData * > &uBoneDataContainer, int boneVertexWeightIndex, int root, int bottom)
	Method use to heap-down sort the bones. More...
void	heapSorting (std::vector< U4DBoneData * > &uBoneDataContainer, int boneVertexWeightIndex)
	Method to heap sort the bones. More...
void	swap (std::vector< U4DBoneData * > &uBoneDataContainer, int uindex1, int uindex2)
	Method used to swap the bone's array index. More...
void	setBoneDataContainer ()
	Method which adds bones to the armature bone container.
void	setBoneAbsoluteSpace ()
	Method which sets the absolute space of the bone.
void	setRestPoseMatrix ()
	Method which sets the rest pose matrix of each bone.

Public Attributes
U4DBoneData *	rootBone
	Pointer to the bone representing the root bone.
U4DDualQuaternion	bindShapeSpace
	Bind shape space of the armature.
std::vector< U4DBoneData * >	boneDataContainer
	Container holding all bones belonging to the armature.

Detailed Description

The U4DArmatureData class represents the bone armature of the 3D entity.

Member Function Documentation

addBoneToTree()

void U4DEngine::U4DArmatureData::addBoneToTree	(	U4DBoneData *	uParent,
		U4DBoneData *	uChild
	)

Method which adds a bone to the armature tree.

Parameters

uParent	Parent of the bone
uChild	Bone to add

heapSorting()

void U4DEngine::U4DArmatureData::heapSorting	(	std::vector< U4DBoneData * > &	uBoneDataContainer,
		int	boneVertexWeightIndex
	)

Method to heap sort the bones.

Parameters

uBoneDataContainer	Armature bone container
boneVertexWeightIndex	Bone vertex weight array index

prepareAndSendBoneDataToBuffer()

void U4DEngine::U4DArmatureData::prepareAndSendBoneDataToBuffer	(	std::vector< U4DBoneData * > &	uBoneDataContainer,
		int	boneVertexWeightIndex
	)

Method which sends bone weight and indices (attributes) to the opengl buffer.

Parameters

uBoneDataContainer	Armature bone container
boneVertexWeightIndex	Bone vertex weight array index

reHeapDown()

void U4DEngine::U4DArmatureData::reHeapDown	(	std::vector< U4DBoneData * > &	uBoneDataContainer,
		int	boneVertexWeightIndex,
		int	root,
		int	bottom
	)

Method use to heap-down sort the bones.

Parameters

uBoneDataContainer	Armature bone container
boneVertexWeightIndex	Bone vertex weight array index
root	index of root bone
bottom	bottom index

removeBoneFromTree()

void U4DEngine::U4DArmatureData::removeBoneFromTree

(

std::string

uChildBoneName

)

Method which removes a bone from the armature tree.

Parameters

uChildBoneName

Bone to remove

setRootBone()

void U4DEngine::U4DArmatureData::setRootBone

(

U4DBoneData *

uBoneData

)

Method which assigns a bone to be the root bone for the armature.

Parameters

uBoneData

Bone to assign as root bone

swap()

void U4DEngine::U4DArmatureData::swap	(	std::vector< U4DBoneData * > &	uBoneDataContainer,
		int	uindex1,
		int	uindex2
	)

Method used to swap the bone's array index.

Parameters

uBoneDataContainer	Armature bone container
uindex1	Bone array index
uindex2	Bone array index