Get Demo Accuracy

Get per-player, per-weapon accuracy computed from entity events (FireWeapon + BulletHitFlesh + MissileHit). Works for ALL visible players, not just the POV player. Independent of the 'acc' server command. PVS-limited: accuracy data is most complete for the POV player. Returns: player_name, client_num, weapons [{weapon, shots_fired, hits, accuracy_pct}], overall_accuracy_pct, total_shots, total_hits.