[KillFrenzy]

SetPlayerArmedWeapon will work. However, hackers might get around that one day. Try this as well - hackers won't be able to break this. I don't recommend it for normal use though - it can be exploited if you know how.

Код:

public OnPlayerUpdate(playerid) {
	switch (GetPlayerWeapon(playerid)) {
		case 43,44,45: {
			new keys, updown, leftright;
			GetPlayerKeys(playerid, keys, updown, leftright);
			if (keys & KEY_FIRE) return 0;
		}
	}
	return 1;
}