[BigETI]

You know that hacking clients can emulate OnPlayerDeath so peoples without minigun can be also punished.

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Also, I would make a timer and check a player's weapons using GetPlayerWeaponData, since GetPlayerWeapon only checks the weapon you are holding. And OPU gets called lots of times per second, so it would be useless to check for a minigun that often.

Of course OPU gets called several times but if you know how detect it more slightly and synced there are alot of tricks how to check it over OPU (from cessils anticheat guide)