function antiPropDamage (victim, attacker)
	if (attacker:IsWorld()) then
		return false
	end
    if (attacker:IsValid()) then
        if (attacker:GetClass() == "prop_physics" or attacker:IsWorld() or attacker:GetClass() == "prop_vehicle_jeep" or attacker:GetClass() == "darkrp_laws") then
            return false
        else
            if (attacker:IsPlayer()) then
                if (attacker:InVehicle()) then
                    return false
                end
            else
                return true
            end
        end
    end
end

hook.Add("PlayerShouldTakeDamage", "nopropdamage", antiPropDamage)