void Skeleton::RecursiveProcess(float time, Bone& bone, Animation& anim, MatrixBuffer& buffer, TrackBuffer& trackData, XMFLOAT4X4 parentTransform)
{
VQS vqs;
anim.CalculateTransform(time, bone.BoneIndex, vqs, trackData[bone.BoneIndex]);
XMFLOAT4X4 localTransform = vqs.GetMatrix();
XMFLOAT4X4 modelTransform; // = localTransform * parentTransform;
XMStoreFloat4x4(&modelTransform, XMMatrixMultiply(XMLoadFloat4x4(&localTransform), XMLoadFloat4x4(&parentTransform)));
buffer[bone.BoneIndex] = modelTransform;
for (UINT i = 0; i < bone.Children.size(); ++i)
{
RecursiveProcess(time, *bone.Children[i], anim, buffer, trackData, modelTransform);
}
}
void Skeleton::ProcessAnimationGraph(float time, MatrixBuffer& buffer, Animation& anim, TrackBuffer& trackData)
{
//Linear Form This only works because the bone parent is always guaranteed to be in front
//of its children (breath first order)
XMFLOAT4X4 identity;
XMStoreFloat4x4(&identity, XMMatrixIdentity());
for (UINT boneIndex = 0; boneIndex < m_Bones.size(); ++boneIndex)
{
Bone& bone = m_Bones[boneIndex];
VQS vqs;
anim.CalculateTransform(time, boneIndex, vqs, trackData[boneIndex]);
XMFLOAT4X4 parentTransform = bone.ParentBoneIndex != -1 ? buffer[bone.ParentBoneIndex] : identity;
XMFLOAT4X4 localTransform = vqs.GetMatrix();
XMFLOAT4X4 modelTransform; // = localTransform * parentTransform;
XMStoreFloat4x4(&modelTransform, XMMatrixMultiply(XMLoadFloat4x4(&localTransform), XMLoadFloat4x4(&parentTransform)));
buffer[boneIndex] = modelTransform;
}
}
