esx_core-esx-framework/modules/interact/client/main.lua

local self = ESX.Modules['interact']

self.LOVE_PLAYER_GROUP = AddRelationshipGroup('LOVE_PLAYER')

SetRelationshipBetweenGroups(0, self.LOVE_PLAYER_GROUP, 'PLAYER')

Citizen.CreateThread(function()

  while true do

    Citizen.Wait(100)

    local ped    = PlayerPedId()
    local coords = GetOffsetFromEntityInWorldCoords(ped, 0.0, 0.0, -1.0)

    self.Cache.player.ped    = ped
    self.Cache.player.coords = vector3(table.unpack(coords))

    local toRemove = {}

    for i=1, #self.Data, 1 do

      local data = self.Data[i]

      if data.pos == nil then

        print('[esx_interact] data.pos is nil => ' .. json.encode(data))

      else

        local distance = #(data.pos - self.Cache.player.coords);
        if
          (distance <= data.distance) and
          (ESX.Table.FindIndex(self.Cache.current, function(e) return e.__id == data.__id end) == -1)
        then

          if (data.check == nil) or data.check(self.Cache.player.ped, self.Cache.player.coords) then
            data.playing = false
            self.Cache.current[#self.Cache.current + 1] = data
          end

        elseif (distance > data.distance) then

          local idx = ESX.Table.FindIndex(self.Cache.current, function(e) return e.__id == data.__id end)

          if idx ~= -1 then
            toRemove[#toRemove + 1] = idx
          end

        end

      end

    end

    if #toRemove > 0 then
      self.Cache.current = ESX.Table.Filter(self.Cache.current, function(e) return ESX.Table.IndexOf(toRemove, e.__id) ~= -1 end)
    end

  end

end)

-- Markers
Citizen.CreateThread(function()
  while true do

    Citizen.Wait(0)

    for i=1, #self.Cache.current, 1 do

      local curr = self.Cache.current[i]

      if curr.type == 'marker' then

        DrawMarker(
          curr.mtype,
          curr.pos.x + 0.0, curr.pos.y + 0.0, curr.pos.z + 0.0,
          0.0, 0.0, 0.0,
          0.0, 0.0, 0.0,
          curr.size.x + 0.0, curr.size.y + 0.0, curr.size.z + 0.0,
          curr.color.r, curr.color.g, curr.color.b, curr.color.a,
          curr.bobUpAndDown, curr.faceCamera, 2, curr.rotate, nil, nil, false
        )

      end

    end

  end
end)

-- NPCs
Citizen.CreateThread(function()
  while true do

    Citizen.Wait(1000)

    for i=1, #self.Cache.current, 1 do

      local curr = self.Cache.current[i]

      if curr.type == 'npc' then

        if IsModelValid(curr.model) and IsModelInCdimage(curr.model) then

          local found = false

          local closestPed, closestDistance = ESX.Game.GetClosestPed({
            x = curr.pos.x + 0.0,
            y = curr.pos.y + 0.0,
            z = curr.pos.z + 0.0
          }, {Cache.player.ped})

          if closestPed ~= -1 then

            local model = GetEntityModel(closestPed)

            if (model == curr.model) and (closestDistance <= 10.0) then

              found = true

              if (curr.lib ~= nil) and (curr.anim ~= nil) then

                if not HasAnimDictLoaded(curr.lib) then
                  RequestAnimDict(curr.lib)
                end

                if HasAnimDictLoaded(curr.lib) and (not curr.playing) then
                  curr.playing = true
                  TaskPlayAnim(closestPed, curr.lib, curr.anim, 8.0, -8.0, -1, 1, 1.0, false, false, false)
                end

              end

            end

          end

          if not found then

            print('Create ped : ' .. curr.model .. ' @ ' .. curr.pos.x .. ' ' .. curr.pos.y .. ' ' .. curr.pos.z)

            RequestModel(curr.model)

            while not HasModelLoaded(curr.model) do
              Citizen.Wait(0)
            end

            curr.__ped = CreatePed(26, curr.model, curr.pos.x + 0.0, curr.pos.y + 0.0, curr.pos.z + 0.0, curr.heading + 0.0, true, false)

            SetModelAsNoLongerNeeded(curr.model)

            SetPedRelationshipGroupHash(curr.__ped, self.LOVE_PLAYER_GROUP)
            SetBlockingOfNonTemporaryEvents(curr.__ped, true)
            TaskStandStill(curr.__ped, -1)
            SetEntityInvincible(curr.__ped, true)
            FreezeEntityPosition(curr.__ped, true)

          end

        else
          print('Invalid/inexistent model => ' .. curr.model)
        end

      end

    end

  end
end)

Citizen.CreateThread(function()
  while true do

    Citizen.Wait(100)

    for i=1, #self.Cache.current, 1 do

      local data     = self.Cache.current[i]
      local distance = #(data.pos - self.Cache.player.coords);

      if (distance <= data.radius) and (not self.Cache.using[data.__id]) then
        self.Cache.using[data.__id] = true
        TriggerEvent('esx:interact:enter', data.name, data)
      elseif (distance > data.radius) and self.Cache.using[data.__id] then
        self.Cache.using[data.__id] = nil
        TriggerEvent('esx:interact:exit', data.name, data)
      end

    end

  end
end)