This method seems to add FootStepState::Ptr of goal footsteps to the 3rd argument (finalizeSteps) in response to the leg of the second argument lastStep. And the first argument last_1_Step is not used.
So What is the purpose of the first argument last_1_Step?
I have a question about FootstepGraph::finalizeSteps() added to jsk_footstep_planner/src/footstep_graph.cpp in https://github.com/jsk-ros-pkg/jsk_control/pull/653
This method seems to add FootStepState::Ptr of goal footsteps to the 3rd argument (finalizeSteps) in response to the leg of the second argument lastStep. And the first argument last_1_Step is not used.
So What is the purpose of the first argument last_1_Step?