void UAnimPreviewInstance::ApplyBoneControllers(USkeletalMeshComponent* Component, TArray<FAnimNode_ModifyBone> &InBoneControllers, FCSPose<FCompactPose>& OutMeshPose)
{
for(auto& SingleBoneController : InBoneControllers)
{
SingleBoneController.BoneToModify.BoneIndex = RequiredBones.GetPoseBoneIndexForBoneName(SingleBoneController.BoneToModify.BoneName);
if(SingleBoneController.BoneToModify.BoneIndex != INDEX_NONE)
{
TArray<FBoneTransform> BoneTransforms;
SingleBoneController.EvaluateBoneTransforms(Component, OutMeshPose, BoneTransforms);
if(BoneTransforms.Num() > 0)
{
OutMeshPose.LocalBlendCSBoneTransforms(BoneTransforms, 1.0f);
}
}
}
}
void FAnimNode_ModifyFinger::EvaluateOneBoneTransforms(FBoneReference* BoneToModify, FRotator* Rotation, const FBoneContainer BoneContainer, FCSPose<FCompactPose> &MeshBases, USkeletalMeshComponent* SkelComp, TArray<FBoneTransform> &OutBoneTransforms)
{
FCompactPoseBoneIndex CompactPoseBoneToModify = BoneToModify->GetCompactPoseIndex(BoneContainer);
FTransform NewBoneTM = MeshBases.GetComponentSpaceTransform(CompactPoseBoneToModify);
if (RotationMode != BMM_Ignore)
{
// Convert to Bone Space.
FAnimationRuntime::ConvertCSTransformToBoneSpace(SkelComp, MeshBases, NewBoneTM, CompactPoseBoneToModify, RotationSpace);
const FQuat BoneQuat(*Rotation);
if (RotationMode == BMM_Additive)
{
NewBoneTM.SetRotation(BoneQuat * NewBoneTM.GetRotation());
}
else
{
NewBoneTM.SetRotation(BoneQuat);
}
// Convert back to Component Space.
FAnimationRuntime::ConvertBoneSpaceTransformToCS(SkelComp, MeshBases, NewBoneTM, CompactPoseBoneToModify, RotationSpace);
}
if (ScaleMode != BMM_Ignore)
{
// Convert to Bone Space.
FAnimationRuntime::ConvertCSTransformToBoneSpace(SkelComp, MeshBases, NewBoneTM, CompactPoseBoneToModify, ScaleSpace);
if (ScaleMode == BMM_Additive)
{
NewBoneTM.SetScale3D(NewBoneTM.GetScale3D() * Scale);
}
else
{
NewBoneTM.SetScale3D(Scale);
}
// Convert back to Component Space.
FAnimationRuntime::ConvertBoneSpaceTransformToCS(SkelComp, MeshBases, NewBoneTM, CompactPoseBoneToModify, ScaleSpace);
}
if (TranslationMode != BMM_Ignore)
{
// Convert to Bone Space.
FAnimationRuntime::ConvertCSTransformToBoneSpace(SkelComp, MeshBases, NewBoneTM, CompactPoseBoneToModify, TranslationSpace);
if (TranslationMode == BMM_Additive)
{
NewBoneTM.AddToTranslation(Translation1);
}
else
{
NewBoneTM.SetTranslation(Translation1);
}
// Convert back to Component Space.
FAnimationRuntime::ConvertBoneSpaceTransformToCS(SkelComp, MeshBases, NewBoneTM, CompactPoseBoneToModify, TranslationSpace);
}
OutBoneTransforms.Add(FBoneTransform(BoneToModify->GetCompactPoseIndex(BoneContainer), NewBoneTM));
const float BlendWeight = FMath::Clamp<float>(Alpha, 0.f, 1.f);
MeshBases.LocalBlendCSBoneTransforms(OutBoneTransforms, BlendWeight);
OutBoneTransforms.Empty();
}