-void UpdateSelectedPlayer();
-void ClearSelectedPlayer();
-.entity selected_player;
-.entity last_selected_player;
-.float selected_player_time; // when this player has been selected
-.float selected_player_count; // how long this player has been directly pointed to
-.float selected_player_display_needs_update; // are regular updates necessary? (health)
-.float selected_player_display_timeout; // when the selection will time out
-