local function pojazdPusty(veh)
if not veh then return end
    local occupants = getVehicleOccupants(veh)
    local seats = getVehicleMaxPassengers(veh)
    if (not seats) then return true end
    for i=0,seats do
    local occupant = occupants[seat]
    if occupant and (getElementType(occupant)=="player" or getElementType(occupant)=="ped") and getPedOccupiedVehicleSeat(occupant) == i then
        return false
    end
    end
    return true
end


for i,v in ipairs(getElementsByType("vehicle")) do
    if (pojazdPusty(v)) then
        setVehicleDamageProof(v,true)
    else
    if getElementData(v,"damageproof") then setVehicleDamageProof(v, true) return end
    setVehicleDamageProof(v,false)
    end
end

addEventHandler ( "onVehicleEnter", root, function()
if source then
    if getElementData(source,"damageproof") then setVehicleDamageProof(source, true) return end
    setVehicleDamageProof(source, false)
    end
end)

addEventHandler ( "onVehicleExit", root, function()
    if source then
    if (pojazdPusty(source)) then
        setVehicleDamageProof(source, true)
    else
        if getElementData(source,"damageproof") then setVehicleDamageProof(source, true) return end
        setVehicleDamageProof(source, false)
    end
    end
end)

local function pojazdPusty(veh)
if not veh then return end
    local occupants = getVehicleOccupants(veh)
    local seats = getVehicleMaxPassengers(veh)
    if (not seats) then return true end
    for i=0,seats do
    local occupant = occupants[seat]
    if occupant and (getElementType(occupant)=="player" or getElementType(occupant)=="ped") and getPedOccupiedVehicleSeat(occupant) == i then
        return false
    end
    end
    return true
end


for i,v in ipairs(getElementsByType("vehicle")) do
    if (pojazdPusty(v)) then
        setVehicleDamageProof(v,true)
    else
    if getElementData(v,"damageproof") then setVehicleDamageProof(v, true) return end
    setVehicleDamageProof(v,false)
    end
end

addEventHandler ( "onVehicleEnter", root, function()
if source then
    if getElementData(source,"damageproof") then setVehicleDamageProof(source, true) return end
    healt = getElementHealth(source)
    if healt<300 then
    setElementHealth(source,301)
    end
end)

addEventHandler ( "onVehicleExit", root, function()
    if source then
    if (pojazdPusty(source)) then
        setVehicleDamageProof(source, true)
    else
        if getElementData(source,"damageproof") then setVehicleDamageProof(source, true) return end
        setVehicleDamageProof(source, false)
    end
    end
end)
end)

function handleVehicleDamage(attacker, weapon, loss, x, y, z, tyre)
    if getElementHealth(source)<350 or loss>getElementHealth(source)-300 then
        cancelEvent()
    end
end
addEventHandler("onClientVehicleDamage", root, handleVehicleDamage)