Arc fixes
- c958bd21 Fixes #2589 (closed) - The beam no longer goes through walls [drjaska]
- 8454ceab changes to code comments [drjaska]
- f77a6fed Fix arc beam wrongly showing an impact if fired at certain angles and with a small beam range (e.g. g_balance_arc_beam_range 80) [terencehill]
- f5f2dd9b Fix arc beam not spawning decals when the shooter is facing a wall (client-side beam was fired outside the map) [terencehill]
Edited by terencehill