Disabling OneSync population spawns entities

[airbon99]

What happened?

Server-side event entityCreating is being triggered with the entity population type POPTYPE_RANDOM_PARKED when OneSync population is disabled.

The image below shows that the vehicle is actually spawned - in this case the blazer.

It usually happens around the same places - on the highway and hills near the military base, near the airport. But also can happen basically anywhere.

Expected result

No population (vehicles/peds)

Reproduction steps

1. In txAdmin Settings > FXServer > Advanced > Startup Arguments set +set onesync_population false
2. Have 100+ players online (this wasn't precisely measured)
3. Listen to entityCreating event on server-side
4. Server will trigger the event for entities with POPTYPE_RANDOM_PARKED

Importancy

Unknown

Area(s)

FXServer, OneSync

Specific version(s)

FiveM 19109, Server 17000

Additional information

No response

[Lorenc95]

Could this be due to the client asking for the parked vehicle density native still being passed trough?

[colistro123]

Could this be due to the client asking for the parked vehicle density native still being passed trough?

That could very well be a reason. Chances are that is not inherently disabled by the Lovely.cpp script call impl executed by the client when onesync_population is false.

As a potential workaround, one could perhaps try using SET_ALL_VEHICLE_GENERATORS_ACTIVE_IN_AREA. Which isn't fully documented, but the parameters seem to be as follows:

SetAllVehicleGeneratorsActiveInArea(
	x1 --[[ number ]], -- Minimum World Coords on X
	y1 --[[ number ]], -- Minimum World Coords on Y
	z1 --[[ number ]], -- Minimum World Coords on Z
	x2 --[[ number ]], -- Max World Coords on X
	y2 --[[ number ]], -- Max World Coords on Y
	z2 --[[ number ]], -- Max World Coords on Z
	bActive --[[ boolean ]], -- Are car generators active or not? Set this to false to stop them from spawning
	bNetworked --[[ boolean ]] -- Creates a CNetworkCarGenWorldStateData event and sends it over the network for synchronization
)

[iloomilo]

Having this issue too. It even happens on my localhost server with 1 player, almost everytime at the same places.

[petrasS3]

I’m experiencing the same issue, and it happens in several areas of the map. The main one is located at coordinates -201.4078, 255.3050, 92.1116, 269.3618 I had to use a loop to fix it, which defeats the purpose of setting onesync_population to false.

[weturnhell]

• Server hard-block

-- server.lua
local POP_RANDOM_PARKED = 7 -- also consider 6/5 if needed
AddEventHandler('entityCreating', function(entity)
  local popType = GetEntityPopulationType(entity)
  if popType == POP_RANDOM_PARKED then
    CancelEvent()
    return
  end
  -- extra safety: anything without a player owner
  if not NetworkGetFirstEntityOwner(entity) or NetworkGetFirstEntityOwner(entity) == 0 then
    local et = GetEntityType(entity) -- 1 ped, 2 vehicle, 3 object
    if et == 1 or et == 2 then CancelEvent() end
  end
end)

• Buckets/population switch

-- server.lua (run once, and whenever you create new buckets)
SetRoutingBucketPopulationEnabled(0, false) -- default bucket
-- repeat for any custom bucket IDs you use

• Client-side density and generators (must run every frame)

-- client.lua
CreateThread(function()
  -- kill generators once
  SetAllVehicleGeneratorsActive(false)
  SetRandomBoats(false)
  SetRandomTrains(false)
  SetGarbageTrucks(false)
  -- disable common vehicle scenarios
  SetScenarioTypeEnabled('WORLD_VEHICLE_*', false)

  while true do
    -- per-frame densities
    SetVehicleDensityMultiplierThisFrame(0.0)
    SetParkedVehicleDensityMultiplierThisFrame(0.0)
    SetRandomVehicleDensityMultiplierThisFrame(0.0)
    SetPedDensityMultiplierThisFrame(0.0)
    SetScenarioPedDensityMultiplierThisFrame(0.0, 0.0)
    Wait(0)
  end
end)

• cfg hints
• Keep +set onesync_population false and ensure OneSync is enabled.
• Clear client/server cache after changes.
• With 100+ players, also ensure every routing bucket you use calls SetRoutingBucketPopulationEnabled(bucket, false).

This combination stops POPTYPE_RANDOM_PARKED from replicating, even if the engine tries to spawn locals near airports/highways.