void FAnimNode_StateMachine::EvaluateTransitionStandardBlend(FPoseContext& Output,FAnimationActiveTransitionEntry& Transition, bool bIntermediatePoseIsValid)
{
FPoseContext PreviouseStateResult(Output);
FPoseContext NextStateResult(Output);
if (bIntermediatePoseIsValid)
{
Output.AnimInstance->CopyPose(Output.Pose, PreviouseStateResult.Pose);
}
else
{
EvaluateState(Transition.PreviousState, PreviouseStateResult);
}
// evaluate the next state
EvaluateState(Transition.NextState, NextStateResult);
// Blend it in
const ScalarRegister VPreviousWeight(1.0f - Transition.Alpha);
const ScalarRegister VWeight(Transition.Alpha);
for (FCompactPoseBoneIndex BoneIndex : Output.Pose.ForEachBoneIndex())
{
Output.Pose[BoneIndex] = PreviouseStateResult.Pose[BoneIndex] * VPreviousWeight;
Output.Pose[BoneIndex].AccumulateWithShortestRotation(NextStateResult.Pose[BoneIndex], VWeight);
}
}
void FAnimNode_StateMachine::EvaluateTransitionStandardBlend(FPoseContext& Output,FAnimationActiveTransitionEntry& Transition, bool bIntermediatePoseIsValid)
{
FPoseContext PreviouseStateResult(Output);
FPoseContext NextStateResult(Output);
if (bIntermediatePoseIsValid)
{
Output.AnimInstance->CopyPose(Output.Pose, PreviouseStateResult.Pose);
}
else
{
EvaluateState(Transition.PreviousState, PreviouseStateResult);
}
// evaluate the next state
EvaluateState(Transition.NextState, NextStateResult);
// Blend it in
const ScalarRegister VPreviousWeight(1.0f - Transition.Alpha);
const ScalarRegister VWeight(Transition.Alpha);
const TArray<FBoneIndexType> & RequiredBoneIndices = Output.AnimInstance->RequiredBones.GetBoneIndicesArray();
for (int32 j = 0; j < RequiredBoneIndices.Num(); ++j)
{
const int32 BoneIndex = RequiredBoneIndices[j];
Output.Pose.Bones[BoneIndex] = PreviouseStateResult.Pose.Bones[BoneIndex] * VPreviousWeight;
Output.Pose.Bones[BoneIndex].AccumulateWithShortestRotation(NextStateResult.Pose.Bones[BoneIndex], VWeight);
}
}