Players will not be flashed by their teammates.
- Intmap (include-file) - https://github.com/Ilusion9/intmap-inc-sm
https://forums.alliedmods.net/showthread.php?p=2677990
Add "TeamFlashProtection" override in admin_overrides.cfg to give access to players with specific flag.
sm_teamflash_protection 1 // Protect players against flashes made by their teammates?