ed

resources/[carscripts]/nordi_antidespawn/client/main.lua

@@ -2,6 +2,8 @@ local QBCore = exports['qb-core']:GetCoreObject()
 local trackedVehicles = {}
 local lastKnownCoords = {}
 local garagePending = {} -- Fahrzeuge, die gerade in die Garage gestellt werden
+local spawnedVehicles = {} -- Track recently spawned vehicles to prevent duplication
+local vehicleOwnership = {} -- Cache vehicle ownership status
 
 -- Helper function to count table entries
 function tableLength(T)
@@ -17,40 +19,67 @@ local function Debug(msg)
     end
 end
 
--- Extrem starke Anti-Despawn Funktion
--- IMPORTANT: Move this function definition to the top, before it's called
-local function PreventDespawn(vehicle)
-    if not DoesEntityExist(vehicle) then return false end
+-- Anti-Duplication: Check if a vehicle with this plate already exists in the world
+local function DoesVehicleExistInWorld(plate)
+    local vehicles = GetGamePool('CVehicle')
+    local count = 0
     
-    -- Grundlegende Persistenz
-    SetEntityAsMissionEntity(vehicle, true, true)
-    SetVehicleHasBeenOwnedByPlayer(vehicle, true)
-    SetVehicleNeedsToBeHotwired(vehicle, false)
-    
-    -- Zusätzliche Flags
-    SetEntityLoadCollisionFlag(vehicle, true)
-    SetVehicleIsStolen(vehicle, false)
-    SetVehicleIsWanted(vehicle, false)
-    
-    -- Verhindere dass das Fahrzeug als "abandoned" markiert wird
-    if DecorIsRegisteredAsType("IgnoredByQuickSave", 2) then
-        DecorSetBool(vehicle, "IgnoredByQuickSave", false)
+    for _, vehicle in pairs(vehicles) do
+        local vehPlate = QBCore.Functions.GetPlate(vehicle)
+        if vehPlate == plate then
+            count = count + 1
+            if count > 1 then
+                -- More than one vehicle with this plate exists!
+                Debug("DUPLICATION DETECTED: Multiple vehicles with plate " .. plate .. " exist!")
+                return true
+            end
+        end
     end
     
-    -- Setze Fahrzeug auf Boden
-    SetVehicleOnGroundProperly(vehicle)
-    
-    -- Verhindere dass das Fahrzeug gelöscht wird
-    NetworkRegisterEntityAsNetworked(vehicle)
-    local netID = NetworkGetNetworkIdFromEntity(vehicle)
-    SetNetworkIdExistsOnAllMachines(netID, true)
-    SetNetworkIdCanMigrate(netID, true)
-    
-    return true
+    return false
 end
 
--- Function to check if player owns the vehicle
+-- Anti-Duplication: Check if vehicle was recently spawned
+local function WasVehicleRecentlySpawned(plate)
+    if spawnedVehicles[plate] then
+        local timeSinceSpawn = GetGameTimer() - spawnedVehicles[plate]
+        if timeSinceSpawn < 60000 then -- 60 seconds cooldown
+            Debug("Anti-Dupe: Vehicle " .. plate .. " was recently spawned (" .. math.floor(timeSinceSpawn/1000) .. " seconds ago)")
+            return true
+        else
+            -- Reset the timer if it's been more than 60 seconds
+            spawnedVehicles[plate] = nil
+        end
+    end
+    return false
+end
+
+-- Anti-Duplication: Mark vehicle as recently spawned
+local function MarkVehicleAsSpawned(plate)
+    spawnedVehicles[plate] = GetGameTimer()
+    Debug("Anti-Dupe: Marked vehicle " .. plate .. " as recently spawned")
+    
+    -- Clean up old entries every 5 minutes
+    SetTimeout(300000, function()
+        for p, time in pairs(spawnedVehicles) do
+            if GetGameTimer() - time > 300000 then -- 5 minutes
+                spawnedVehicles[p] = nil
+            end
+        end
+    end)
+end
+
+-- Function to check if player owns the vehicle with caching
 local function DoesPlayerOwnVehicle(plate)
+    -- Check cache first
+    if vehicleOwnership[plate] ~= nil then
+        -- Cache expires after 5 minutes
+        local timeSinceCheck = GetGameTimer() - vehicleOwnership[plate].timestamp
+        if timeSinceCheck < 300000 then -- 5 minutes
+            return vehicleOwnership[plate].owned
+        end
+    end
+    
     local playerData = QBCore.Functions.GetPlayerData()
     if not playerData then return false end
     
@@ -61,10 +90,14 @@ local function DoesPlayerOwnVehicle(plate)
     TriggerServerEvent('antidespawn:server:checkVehicleOwnership', plate)
     
     -- Register one-time event handler for the response
-    RegisterNetEvent('antidespawn:client:vehicleOwnershipResult')
     local eventHandler = AddEventHandler('antidespawn:client:vehicleOwnershipResult', function(result, checkPlate)
         if plate == checkPlate then
             isOwned = result
+            -- Cache the result
+            vehicleOwnership[plate] = {
+                owned = result,
+                timestamp = GetGameTimer()
+            }
         end
     end)
     
@@ -102,6 +135,37 @@ local function IsVehicleClassAllowed(vehicle)
     return false
 end
 
+-- Extrem starke Anti-Despawn Funktion
+local function PreventDespawn(vehicle)
+    if not DoesEntityExist(vehicle) then return false end
+    
+    -- Grundlegende Persistenz
+    SetEntityAsMissionEntity(vehicle, true, true)
+    SetVehicleHasBeenOwnedByPlayer(vehicle, true)
+    SetVehicleNeedsToBeHotwired(vehicle, false)
+    
+    -- Zusätzliche Flags
+    SetEntityLoadCollisionFlag(vehicle, true)
+    SetVehicleIsStolen(vehicle, false)
+    SetVehicleIsWanted(vehicle, false)
+    
+    -- Verhindere dass das Fahrzeug als "abandoned" markiert wird
+    if DecorIsRegisteredAsType("IgnoredByQuickSave", 2) then
+        DecorSetBool(vehicle, "IgnoredByQuickSave", false)
+    end
+    
+    -- Setze Fahrzeug auf Boden
+    SetVehicleOnGroundProperly(vehicle)
+    
+    -- Verhindere dass das Fahrzeug gelöscht wird
+    NetworkRegisterEntityAsNetworked(vehicle)
+    local netID = NetworkGetNetworkIdFromEntity(vehicle)
+    SetNetworkIdExistsOnAllMachines(netID, true)
+    SetNetworkIdCanMigrate(netID, true)
+    
+    return true
+end
+
 -- Funktion um Fahrzeugmods zu erhalten
 local function GetVehicleMods(vehicle)
     local mods = {}
@@ -301,8 +365,6 @@ function GetVehicleByPlate(plate)
     return nil
 end
 
--- AFTER ALL FUNCTIONS ARE DEFINED, THEN ADD EVENT HANDLERS AND THREADS
-
 -- Event Handler für Fahrzeug betreten (nur Fahrersitz)
 CreateThread(function()
     while true do
@@ -320,6 +382,14 @@ CreateThread(function()
             if driver == playerPed and IsVehicleClassAllowed(currentVehicle) then
                 local plate = QBCore.Functions.GetPlate(currentVehicle)
                 
+                -- Anti-Duplication: Check if this plate already exists multiple times
+                if DoesVehicleExistInWorld(plate) then
+                    Debug("Anti-Dupe: Detected duplicate vehicle with plate " .. plate .. ", not tracking")
+                    -- Optionally, you could delete the duplicate here
+                    -- DeleteEntity(currentVehicle)
+                    goto continue
+                end
+                
                 -- Check if this vehicle is already being tracked
                 if not trackedVehicles[plate] and not garagePending[plate] then
                     -- Check if player owns this vehicle
@@ -328,7 +398,6 @@ CreateThread(function()
                         local maxTrackedVehicles = 100 -- Adjust as needed
                         if tableLength(trackedVehicles) >= maxTrackedVehicles then
                             Debug("Maximum number of tracked vehicles reached")
-                            -- You could implement logic to remove the oldest vehicle here
                         else
                             trackedVehicles[plate] = currentVehicle
                             
@@ -356,12 +425,10 @@ CreateThread(function()
                 end
             end
         end
+        ::continue::
     end
 end)
 
--- Rest of your code (threads, event handlers, etc.)
-
-
 -- Kontinuierliche Despawn-Verhinderung für alle getrackten Fahrzeuge
 CreateThread(function()
     while true do
@@ -371,6 +438,15 @@ CreateThread(function()
         local playerPos = GetEntityCoords(playerPed)
         
         for plate, vehicle in pairs(trackedVehicles) do
+            -- Anti-Duplication: Check if multiple vehicles with this plate exist
+            if DoesVehicleExistInWorld(plate) then
+                Debug("Anti-Dupe: Detected duplicate during tracking for plate " .. plate .. ", removing from tracking")
+                trackedVehicles[plate] = nil
+                lastKnownCoords[plate] = nil
+                TriggerServerEvent('antidespawn:server:removeVehicle', plate)
+                goto continue
+            end
+            
             -- Prüfe ob Fahrzeug gerade in die Garage gestellt wird
             if garagePending[plate] then
                 Debug("Fahrzeug wird gerade in Garage gestellt, entferne aus Tracking: " .. plate)
@@ -406,6 +482,14 @@ CreateThread(function()
             else
                 Debug("Fahrzeug existiert nicht mehr: " .. plate)
                 
+                -- Anti-Duplication: Check if vehicle was recently spawned before respawning
+                if WasVehicleRecentlySpawned(plate) then
+                    Debug("Anti-Dupe: Not respawning recently spawned vehicle: " .. plate)
+                    trackedVehicles[plate] = nil
+                    lastKnownCoords[plate] = nil
+                    goto continue
+                end
+                
                 -- Versuche Fahrzeug wiederherzustellen, aber nur wenn es nicht in die Garage gestellt wird
                 if lastKnownCoords[plate] and not garagePending[plate] then
                     Debug("Versuche Fahrzeug wiederherzustellen: " .. plate)
@@ -420,6 +504,7 @@ CreateThread(function()
                     lastKnownCoords[plate] = nil
                 end
             end
+            ::continue::
         end
     end
 end)
@@ -461,6 +546,12 @@ end)
 RegisterNetEvent('antidespawn:client:spawnVehicle', function(data)
     Debug("Spawne Fahrzeug: " .. data.plate)
     
+    -- Anti-Duplication: Check if vehicle was recently spawned
+    if WasVehicleRecentlySpawned(data.plate) then
+        Debug("Anti-Dupe: Blocking respawn of recently spawned vehicle: " .. data.plate)
+        return
+    end
+    
     -- Prüfe ob Fahrzeug bereits existiert
     local existingVehicle = GetVehicleByPlate(data.plate)
     if existingVehicle then
@@ -477,6 +568,12 @@ RegisterNetEvent('antidespawn:client:spawnVehicle', function(data)
         return
     end
     
+    -- Anti-Duplication: Check if player owns this vehicle
+    if not DoesPlayerOwnVehicle(data.plate) then
+        Debug("Anti-Dupe: Player does not own vehicle, not spawning: " .. data.plate)
+        return
+    end
+    
     -- Konvertiere Modell zu Hash wenn nötig
     local modelHash = data.model
     if type(modelHash) == "string" then
@@ -508,6 +605,13 @@ RegisterNetEvent('antidespawn:client:spawnVehicle', function(data)
     if HasModelLoaded(modelHash) then
         Debug("Modell geladen, erstelle Fahrzeug...")
         
+        -- Anti-Duplication: Final check before spawning
+        if GetVehicleByPlate(data.plate) then
+            Debug("Anti-Dupe: Vehicle with plate " .. data.plate .. " appeared during model loading, aborting spawn")
+            SetModelAsNoLongerNeeded(modelHash)
+            return
+        end
+        
         -- Verwende CREATE_AUTOMOBILE für bessere Persistenz
         local vehicle
         
@@ -522,6 +626,9 @@ RegisterNetEvent('antidespawn:client:spawnVehicle', function(data)
         end
         
         if DoesEntityExist(vehicle) then
+            -- Anti-Duplication: Mark as recently spawned
+            MarkVehicleAsSpawned(data.plate)
+            
             -- Warte bis Fahrzeug vollständig geladen ist
             Wait(500)
             
@@ -560,17 +667,6 @@ RegisterNetEvent('antidespawn:client:spawnVehicle', function(data)
     end
 end)
 
--- Hilfsfunktion um Fahrzeug anhand Kennzeichen zu finden
-function GetVehicleByPlate(plate)
-    local vehicles = GetGamePool('CVehicle')
-    for _, vehicle in pairs(vehicles) do
-        if QBCore.Functions.GetPlate(vehicle) == plate then
-            return vehicle
-        end
-    end
-    return nil
-end
-
 -- Event für Garage Store (wird ausgelöst, wenn der Spieler ein Fahrzeug in die Garage stellen will)
 RegisterNetEvent('jg-advancedgarages:client:store-vehicle', function(garageId, garageVehicleType)
     local playerPed = PlayerPedId()
@@ -663,21 +759,32 @@ RegisterCommand('fixvehicle', function()
     if vehicle ~= 0 then
         local plate = QBCore.Functions.GetPlate(vehicle)
         
+        -- Anti-Duplication: Check if this plate already exists multiple times
+        if DoesVehicleExistInWorld(plate) then
+            Debug("Anti-Dupe: Detected duplicate vehicle with plate " .. plate .. ", not fixing")
+            return
+        end
+        
         -- Prüfe ob Fahrzeug gerade in die Garage gestellt wird
         if not garagePending[plate] then
-            PreventDespawn(vehicle)
-            trackedVehicles[plate] = vehicle
-            lastKnownCoords[plate] = GetEntityCoords(vehicle)
-            
-            -- Registriere Fahrzeug beim Server
-            local vehicleCoords = GetEntityCoords(vehicle)
-            local vehicleHeading = GetEntityHeading(vehicle)
-            local vehicleModel = GetEntityModel(vehicle)
-            local vehicleMods = GetVehicleMods(vehicle)
-            
-            TriggerServerEvent('antidespawn:server:registerVehicle', plate, vehicleModel, vehicleCoords, vehicleHeading, vehicleMods)
-            
-            Debug("Anti-Despawn für Fahrzeug aktiviert: " .. plate)
+            -- Check if player owns this vehicle
+            if DoesPlayerOwnVehicle(plate) then
+                PreventDespawn(vehicle)
+                trackedVehicles[plate] = vehicle
+                lastKnownCoords[plate] = GetEntityCoords(vehicle)
+                
+                -- Registriere Fahrzeug beim Server
+                local vehicleCoords = GetEntityCoords(vehicle)
+                local vehicleHeading = GetEntityHeading(vehicle)
+                local vehicleModel = GetEntityModel(vehicle)
+                local vehicleMods = GetVehicleMods(vehicle)
+                
+                TriggerServerEvent('antidespawn:server:registerVehicle', plate, vehicleModel, vehicleCoords, vehicleHeading, vehicleMods)
+                
+                Debug("Anti-Despawn für Fahrzeug aktiviert: " .. plate)
+            else
+                Debug("Fahrzeug gehört nicht dem Spieler, kann nicht fixiert werden: " .. plate)
+            end
         else
             Debug("Fahrzeug wird gerade in Garage gestellt, kann nicht fixiert werden: " .. plate)
         end
@@ -686,11 +793,66 @@ RegisterCommand('fixvehicle', function()
     end
 end, false)
 
+-- Server-side event handler for ownership verification
+RegisterNetEvent('antidespawn:client:vehicleOwnershipResult', function(result, plate)
+    -- This event is handled by the DoesPlayerOwnVehicle function
+end)
+
+-- Clean up resources when script stops
 AddEventHandler('onResourceStop', function(resourceName)
     if resourceName == GetCurrentResourceName() then
         Debug("Resource stopping, clearing all data")
         trackedVehicles = {}
         lastKnownCoords = {}
         garagePending = {}
+        spawnedVehicles = {}
+        vehicleOwnership = {}
     end
 end)
+
+-- Debug command to check vehicle duplication
+RegisterCommand('checkdupes', function()
+    local vehicles = GetGamePool('CVehicle')
+    local plates = {}
+    local dupes = {}
+    
+    for _, vehicle in pairs(vehicles) do
+        local plate = QBCore.Functions.GetPlate(vehicle)
+        if plates[plate] then
+            if not dupes[plate] then
+                dupes[plate] = 2
+            else
+                dupes[plate] = dupes[plate] + 1
+            end
+        else
+            plates[plate] = true
+        end
+    end
+    
+    local dupeCount = 0
+    for plate, count in pairs(dupes) do
+        Debug("Duplicate found: " .. plate .. " (Count: " .. count .. ")")
+        dupeCount = dupeCount + 1
+    end
+    
+    if dupeCount == 0 then
+        Debug("No duplicate vehicles found")
+    else
+        Debug("Found " .. dupeCount .. " duplicate vehicles")
+    end
+end, false)
+
+-- Debug command to clear recently spawned vehicles list
+RegisterCommand('clearspawned', function()
+    spawnedVehicles = {}
+    Debug("Cleared recently spawned vehicles list")
+end, false)
+
+-- Debug command to clear ownership cache
+RegisterCommand('clearownership', function()
+    vehicleOwnership = {}
+    Debug("Cleared vehicle ownership cache")
+end, false)
+
+
+

resources/[carscripts]/nordi_antidespawn/server/main.lua

@@ -1,5 +1,6 @@
 local QBCore = exports['qb-core']:GetCoreObject()
 local vehicles = {}
+local activeSpawns = {} -- Track active spawn requests to prevent duplicates
 
 -- Debug Funktion
 local function Debug(msg)
@@ -65,26 +66,63 @@ CreateThread(function()
     end)
 end)
 
--- Registriere ein Fahrzeug
+-- Check if a player owns a vehicle
+RegisterNetEvent('antidespawn:server:checkVehicleOwnership', function(plate)
+    local src = source
+    local Player = QBCore.Functions.GetPlayer(src)
+    
+    if not Player then 
+        TriggerClientEvent('antidespawn:client:vehicleOwnershipResult', src, false, plate)
+        return 
+    end
+    
+    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ? AND citizenid = ?', {plate, Player.PlayerData.citizenid}, function(result)
+        local isOwned = result and #result > 0
+        TriggerClientEvent('antidespawn:client:vehicleOwnershipResult', src, isOwned, plate)
+    end)
+end)
+
+-- Enhanced anti-duplication for vehicle registration
 RegisterNetEvent('antidespawn:server:registerVehicle', function(plate, model, coords, heading, mods)
     local src = source
+    local Player = QBCore.Functions.GetPlayer(src)
     
-    if not plate or not model or not coords then
-        Debug("Ungültige Daten beim Registrieren eines Fahrzeugs")
-        return
-    end
+    if not Player then return end
     
-    -- Stelle sicher, dass das Modell als Zahl gespeichert wird
-    if type(model) == "string" then
-        model = tonumber(model) or model
-    end
-    
-    -- Prüfe ob Fahrzeug in der Garage ist
-    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ? AND state = ?', {plate, 1}, function(result)
-        if result and #result > 0 then
+    -- Verify ownership before registering
+    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
+        if not result or #result == 0 then
+            Debug("Vehicle not found in database: " .. plate)
+            return
+        end
+        
+        -- Check if player owns the vehicle
+        local isOwner = false
+        for _, veh in ipairs(result) do
+            if veh.citizenid == Player.PlayerData.citizenid then
+                isOwner = true
+                break
+            end
+        end
+        
+        if not isOwner then
+            Debug("Player does not own vehicle: " .. plate)
+            return
+        end
+        
+        -- Check if vehicle is in garage
+        local inGarage = false
+        for _, veh in ipairs(result) do
+            if veh.state == 1 then
+                inGarage = true
+                break
+            end
+        end
+        
+        if inGarage then
             Debug("Fahrzeug ist in der Garage, nicht registrieren: " .. plate)
             
-            -- Entferne aus Anti-Despawn Datenbank falls vorhanden
+            -- Remove from Anti-Despawn database if present
             if vehicles[plate] then
                 vehicles[plate] = nil
                 MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
@@ -93,6 +131,7 @@ RegisterNetEvent('antidespawn:server:registerVehicle', function(plate, model, co
             return
         end
         
+        -- Continue with registration as before
         vehicles[plate] = {
             model = model,
             coords = coords,
@@ -101,9 +140,10 @@ RegisterNetEvent('antidespawn:server:registerVehicle', function(plate, model, co
             mods = mods,
             last_updated = os.time()
         }
+        
         MySQL.query("INSERT INTO vehicle_antidespawn (plate, model, coords, heading, fuel, mods) VALUES (?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE coords = VALUES(coords), heading = VALUES(heading), mods = VALUES(mods), last_updated = CURRENT_TIMESTAMP", {
             plate,
-            tostring(model), -- Speichere als String in der Datenbank
+            tostring(model),
             json.encode(coords),
             heading,
             100,
@@ -116,11 +156,43 @@ end)
 
 -- Aktualisiere ein Fahrzeug
 RegisterNetEvent('antidespawn:server:updateVehicle', function(plate, coords, heading, mods)
+    local src = source
+    local Player = QBCore.Functions.GetPlayer(src)
+    
+    if not Player then return end
     if not vehicles[plate] then return end
     
-    -- Prüfe ob Fahrzeug in der Garage ist
-    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ? AND state = ?', {plate, 1}, function(result)
-        if result and #result > 0 then
+    -- Verify ownership before updating
+    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
+        if not result or #result == 0 then
+            Debug("Vehicle not found in database: " .. plate)
+            return
+        end
+        
+        -- Check if player owns the vehicle
+        local isOwner = false
+        for _, veh in ipairs(result) do
+            if veh.citizenid == Player.PlayerData.citizenid then
+                isOwner = true
+                break
+            end
+        end
+        
+        if not isOwner then
+            Debug("Player does not own vehicle: " .. plate)
+            return
+        end
+        
+        -- Check if vehicle is in garage
+        local inGarage = false
+        for _, veh in ipairs(result) do
+            if veh.state == 1 then
+                inGarage = true
+                break
+            end
+        end
+        
+        if inGarage then
             Debug("Fahrzeug ist in der Garage, entferne aus Tracking: " .. plate)
             vehicles[plate] = nil
             
@@ -148,6 +220,7 @@ end)
 
 -- Entferne ein Fahrzeug
 RegisterNetEvent('antidespawn:server:removeVehicle', function(plate)
+    local src = source
     if not vehicles[plate] then return end
     
     vehicles[plate] = nil
@@ -159,30 +232,76 @@ RegisterNetEvent('antidespawn:server:removeVehicle', function(plate)
     Debug("Fahrzeug entfernt: " .. plate)
 end)
 
--- Respawn ein Fahrzeug
+-- Enhanced anti-duplication for vehicle respawning
 RegisterNetEvent('antidespawn:server:respawnVehicle', function(plate)
     local src = source
+    local Player = QBCore.Functions.GetPlayer(src)
     
-    if not vehicles[plate] then 
-        Debug("Fahrzeug nicht in Datenbank: " .. plate)
-        return 
+    if not Player then return end
+    
+    -- Anti-Duplication: Check if there's already an active spawn request for this plate
+    if activeSpawns[plate] then
+        Debug("Anti-Dupe: Already processing spawn request for: " .. plate)
+        return
     end
     
-    -- Prüfe ob Fahrzeug in der Garage ist
-    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ? AND state = ?', {plate, 1}, function(result)
-        if result and #result > 0 then
-            Debug("Fahrzeug ist in der Garage, nicht respawnen: " .. plate)
-            
-            -- Entferne aus Anti-Despawn Datenbank
-            vehicles[plate] = nil
-            
-            MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {
-                plate
-            })
+    -- Mark as active spawn
+    activeSpawns[plate] = true
+    
+    -- Set a timeout to clear the active spawn status
+    SetTimeout(10000, function()
+        activeSpawns[plate] = nil
+    end)
+    
+    -- Verify ownership before respawning
+    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
+        if not result or #result == 0 then
+            Debug("Vehicle not found in database: " .. plate)
+            activeSpawns[plate] = nil
             return
         end
         
-        -- Sende Spawn-Event zurück an den Client
+        -- Check if player owns the vehicle
+        local isOwner = false
+        for _, veh in ipairs(result) do
+            if veh.citizenid == Player.PlayerData.citizenid then
+                isOwner = true
+                break
+            end
+        end
+        
+        if not isOwner then
+            Debug("Player does not own vehicle: " .. plate)
+            activeSpawns[plate] = nil
+            return
+        end
+        
+        if not vehicles[plate] then 
+            Debug("Fahrzeug nicht in Datenbank: " .. plate)
+            activeSpawns[plate] = nil
+            return 
+        end
+        
+        -- Check if vehicle is in garage
+        local inGarage = false
+        for _, veh in ipairs(result) do
+            if veh.state == 1 then
+                inGarage = true
+                break
+            end
+        end
+        
+        if inGarage then
+            Debug("Fahrzeug ist in der Garage, nicht respawnen: " .. plate)
+            
+            -- Remove from Anti-Despawn database
+            vehicles[plate] = nil
+            MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
+            activeSpawns[plate] = nil
+            return
+        end
+        
+        -- Send spawn event back to client
         TriggerClientEvent('antidespawn:client:spawnVehicle', src, {
             plate = plate,
             model = vehicles[plate].model,
@@ -212,68 +331,83 @@ RegisterNetEvent('antidespawn:server:loadVehicles', function()
     local loadedCount = 0
     local vehiclesToLoad = {}
     
-    -- Sammle alle Fahrzeuge, die geladen werden sollen
-    for plate, vehicle in pairs(vehicles) do
-        -- Prüfe ob das Fahrzeug in der Garage ist
-        MySQL.query('SELECT * FROM player_vehicles WHERE plate = ?', {plate}, function(result)
-            -- Prüfe ob das Fahrzeug überhaupt existiert
-            if not result or #result == 0 then
-                Debug("Fahrzeug existiert nicht in player_vehicles: " .. plate)
-                -- Entferne aus Anti-Despawn Datenbank
-                vehicles[plate] = nil
-                MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
-                return
-            end
-            
-            -- Prüfe ob das Fahrzeug in der Garage ist (state = 1)
-            local inGarage = false
-            for _, veh in ipairs(result) do
-                if veh.state == 1 then
-                    inGarage = true
-                    break
-                end
-            end
-            
-            if inGarage then
-                Debug("Fahrzeug ist in der Garage, nicht laden: " .. plate)
-                -- Entferne aus Anti-Despawn Datenbank
-                vehicles[plate] = nil
-                MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
-                return
-            end
-            
-            -- Lade nur Fahrzeuge in der Nähe des Spielers
-            local distance = #(playerCoords - vector3(vehicle.coords.x, vehicle.coords.y, vehicle.coords.z))
-            
-            if distance < 100.0 then
-                -- Stelle sicher, dass das Modell als Zahl gespeichert ist
-                local model = vehicle.model
-                if type(model) == "string" then
-                    model = tonumber(model) or model
-                end
-                
-                table.insert(vehiclesToLoad, {
-                    plate = plate,
-                    model = model,
-                    coords = vehicle.coords,
-                    heading = vehicle.heading,
-                    fuel = vehicle.fuel,
-                    mods = vehicle.mods
-                })
-                
-                loadedCount = loadedCount + 1
-            end
-        end)
-    end
-    
-    -- Warte kurz und lade dann die Fahrzeuge
-    SetTimeout(3000, function()
-        for _, vehicleData in ipairs(vehiclesToLoad) do
-            TriggerClientEvent('antidespawn:client:spawnVehicle', src, vehicleData)
-            Debug("Fahrzeug für Spieler geladen: " .. vehicleData.plate)
+    -- Get all vehicles owned by this player
+    MySQL.query('SELECT * FROM player_vehicles WHERE citizenid = ?', {Player.PlayerData.citizenid}, function(ownedVehicles)
+        if not ownedVehicles or #ownedVehicles == 0 then
+            Debug("Spieler besitzt keine Fahrzeuge")
+            return
         end
         
-        Debug("Fahrzeugladung abgeschlossen. " .. loadedCount .. " Fahrzeuge geladen.")
+        -- Create a lookup table for owned vehicles
+        local ownedPlates = {}
+        for _, veh in ipairs(ownedVehicles) do
+            ownedPlates[veh.plate] = veh.state
+        end
+        
+        -- Sammle alle Fahrzeuge, die geladen werden sollen
+        for plate, vehicle in pairs(vehicles) do
+            -- Check if player owns this vehicle
+            if ownedPlates[plate] then
+                -- Skip if vehicle is in garage (state = 1)
+                if ownedPlates[plate] == 1 then
+                    Debug("Fahrzeug ist in der Garage, nicht laden: " .. plate)
+                    -- Remove from Anti-Despawn database
+                    vehicles[plate] = nil
+                    MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
+                    goto continue
+                end
+                
+                -- Lade nur Fahrzeuge in der Nähe des Spielers
+                local distance = #(playerCoords - vector3(vehicle.coords.x, vehicle.coords.y, vehicle.coords.z))
+                
+                if distance < 100.0 then
+                    -- Stelle sicher, dass das Modell als Zahl gespeichert ist
+                    local model = vehicle.model
+                    if type(model) == "string" then
+                        model = tonumber(model) or model
+                    end
+                    
+                    table.insert(vehiclesToLoad, {
+                        plate = plate,
+                        model = model,
+                        coords = vehicle.coords,
+                        heading = vehicle.heading,
+                        fuel = vehicle.fuel,
+                        mods = vehicle.mods
+                    })
+                    
+                    loadedCount = loadedCount + 1
+                end
+            else
+                -- Vehicle not owned by this player, remove from tracking
+                Debug("Fahrzeug gehört nicht dem Spieler, entferne aus Tracking: " .. plate)
+                vehicles[plate] = nil
+                MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
+            end
+            ::continue::
+        end
+        
+        -- Warte kurz und lade dann die Fahrzeuge
+        SetTimeout(3000, function()
+            for _, vehicleData in ipairs(vehiclesToLoad) do
+                -- Anti-Duplication: Check if there's already an active spawn request for this plate
+                if not activeSpawns[vehicleData.plate] then
+                    activeSpawns[vehicleData.plate] = true
+                    
+                    -- Set a timeout to clear the active spawn status
+                    SetTimeout(10000, function()
+                        activeSpawns[vehicleData.plate] = nil
+                    end)
+                    
+                    TriggerClientEvent('antidespawn:client:spawnVehicle', src, vehicleData)
+                    Debug("Fahrzeug für Spieler geladen: " .. vehicleData.plate)
+                else
+                    Debug("Anti-Dupe: Already processing spawn request for: " .. vehicleData.plate)
+                end
+            end
+            
+            Debug("Fahrzeugladung abgeschlossen. " .. loadedCount .. " Fahrzeuge geladen.")
+        end)
     end)
 end)
 
@@ -387,116 +521,6 @@ RegisterCommand('clearvehicles', function(source, args, rawCommand)
     end
 end, true)
 
-
--- Check if a player owns a vehicle
-RegisterNetEvent('antidespawn:server:checkVehicleOwnership', function(plate)
-    local src = source
-    local Player = QBCore.Functions.GetPlayer(src)
-    
-    if not Player then return end
-    
-    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ? AND citizenid = ?', {plate, Player.PlayerData.citizenid}, function(result)
-        local isOwned = result and #result > 0
-        TriggerClientEvent('antidespawn:client:vehicleOwnershipResult', src, isOwned, plate)
-    end)
-end)
-
--- Modified registerVehicle function to verify ownership
-RegisterNetEvent('antidespawn:server:registerVehicle', function(plate, model, coords, heading, mods)
-    local src = source
-    local Player = QBCore.Functions.GetPlayer(src)
-    
-    if not Player then return end
-    
-    -- Verify ownership before registering
-    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ? AND citizenid = ?', {plate, Player.PlayerData.citizenid}, function(result)
-        if not result or #result == 0 then
-            Debug("Player does not own vehicle: " .. plate)
-            return
-        end
-        
-        -- Check if vehicle is in garage
-        if result[1].state == 1 then
-            Debug("Fahrzeug ist in der Garage, nicht registrieren: " .. plate)
-            
-            -- Remove from Anti-Despawn database if present
-            if vehicles[plate] then
-                vehicles[plate] = nil
-                MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
-                Debug("Fahrzeug aus Anti-Despawn entfernt: " .. plate)
-            end
-            return
-        end
-        
-        -- Continue with registration as before
-        vehicles[plate] = {
-            model = model,
-            coords = coords,
-            heading = heading,
-            fuel = 100,
-            mods = mods,
-            last_updated = os.time()
-        }
-        
-        MySQL.query("INSERT INTO vehicle_antidespawn (plate, model, coords, heading, fuel, mods) VALUES (?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE coords = VALUES(coords), heading = VALUES(heading), mods = VALUES(mods), last_updated = CURRENT_TIMESTAMP", {
-            plate,
-            tostring(model),
-            json.encode(coords),
-            heading,
-            100,
-            json.encode(mods)
-        })
-        
-        Debug("Fahrzeug registriert: " .. plate .. " (Modell: " .. tostring(model) .. ")")
-    end)
-end)
-
--- Also modify respawnVehicle to verify ownership
-RegisterNetEvent('antidespawn:server:respawnVehicle', function(plate)
-    local src = source
-    local Player = QBCore.Functions.GetPlayer(src)
-    
-    if not Player then return end
-    
-    -- Verify ownership before respawning
-    MySQL.query('SELECT * FROM player_vehicles WHERE plate = ? AND citizenid = ?', {plate, Player.PlayerData.citizenid}, function(result)
-        if not result or #result == 0 then
-            Debug("Player does not own vehicle: " .. plate)
-            return
-        end
-        
-        if not vehicles[plate] then 
-            Debug("Fahrzeug nicht in Datenbank: " .. plate)
-            return 
-        end
-        
-        -- Check if vehicle is in garage
-        if result[1].state == 1 then
-            Debug("Fahrzeug ist in der Garage, nicht respawnen: " .. plate)
-            
-            -- Remove from Anti-Despawn database
-            vehicles[plate] = nil
-            MySQL.query("DELETE FROM vehicle_antidespawn WHERE plate = ?", {plate})
-            return
-        end
-        
-        -- Send spawn event back to client
-        TriggerClientEvent('antidespawn:client:spawnVehicle', src, {
-            plate = plate,
-            model = vehicles[plate].model,
-            coords = vehicles[plate].coords,
-            heading = vehicles[plate].heading,
-            fuel = vehicles[plate].fuel,
-            mods = vehicles[plate].mods
-        })
-        
-        Debug("Fahrzeug Respawn angefordert: " .. plate)
-    end)
-end)
-
-
-
-
 -- Befehl zum Leeren der Datenbank
 RegisterCommand('clearalldespawn', function(source, args, rawCommand)
     if source == 0 then -- Nur über Konsole ausführbar
@@ -505,5 +529,24 @@ RegisterCommand('clearalldespawn', function(source, args, rawCommand)
         Debug("Alle Fahrzeuge aus der Datenbank entfernt.")
     end
 end, true)
-        
 
+-- Debug command to check active spawns
+RegisterCommand('activespawns', function(source, args, rawCommand)
+    if source == 0 then -- Nur über Konsole ausführbar
+        local count = 0
+        for plate, _ in pairs(activeSpawns) do
+            Debug("Active spawn: " .. plate)
+            count = count + 1
+        end
+        Debug("Total active spawns: " .. count)
+    end
+end, true)
+
+-- Clean up when resource stops
+AddEventHandler('onResourceStop', function(resourceName)
+    if resourceName == GetCurrentResourceName() then
+        Debug("Resource stopping, clearing all data")
+        vehicles = {}
+        activeSpawns = {}
+    end
+end)