This PR adds stamina to the high level feature set.
It is important for agents that are not following the default Agent 2D strategy [i.e. MOVE action] when not in possession of the ball, to know their own stamina. Otherwise, alternative movement strategies built from sequences of MOVE_TO(x,y) actions suffer from agents getting exhausted (as indicated 0-8000 stamina value in the visualiser)
This PR adds stamina to the high level feature set.
It is important for agents that are not following the default Agent 2D strategy [i.e. MOVE action] when not in possession of the ball, to know their own stamina. Otherwise, alternative movement strategies built from sequences of MOVE_TO(x,y) actions suffer from agents getting exhausted (as indicated 0-8000 stamina value in the visualiser)