RegisterHam(Ham_TakeDamage, "player", "Obrazenia"); // to zarejestruj do plugin_init

//(...)
public Obrazenia(this, idinflictor, idattacker, Float:damage, damagebits)
{
	if(!is_user_alive(idattacker))
		return HAM_IGNORED;
		
	if (player_b_grenade[idattacker] > 0 && player_b_fireshield[this] == 0 && damagebits & (1<<24) && random_num(1, player_b_grenade[attacker_id]) == 1)
		return HAM_IGNORED;
		
	SetHamParamFloat(4, float(get_user_health(this)))
	
	return HAM_IGNORED;
}