speedometer/client.lua at master · MathiasVoie/speedometer · GitHub

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local SPEED_MULTIPLIER = 3.6
local SPEED_LABEL = 'KM/H'

local UPDATE_INTERVAL = 50
local IDLE_INTERVAL = 500

local hudVisible = false
local lastSpeed = -1
local lastRpm = -1
local missionTextActive = false

local function updateHud(speed, rpm)
    if speed == lastSpeed and rpm == lastRpm then
        return
    end

    lastSpeed = speed
    lastRpm = rpm
    hudVisible = true

    SendNUIMessage({
        action = 'update',
        speed = speed,
        rpm = rpm,
        unit = SPEED_LABEL
    })
end

local function hideHud()
    if not hudVisible then
        return
    end

    hudVisible = false
    lastSpeed = -1
    lastRpm = -1

    SendNUIMessage({ action = 'hide' })
end

local function setMissionTextActive(active)
    if missionTextActive == active then
        return
    end

    missionTextActive = active

    SendNUIMessage({
        action = 'missionText',
        active = active
    })
end

AddEventHandler('speedometer:MissionTextActive', function()
    setMissionTextActive(true)
end)

AddEventHandler('speedometer:MissionTextInactive', function()
    setMissionTextActive(false)
end)

Citizen.CreateThread(function()
    while true do
        local ped = PlayerPedId()
        local vehicle = GetVehiclePedIsIn(ped, false)

        while vehicle ~= 0 do
            if IsPauseMenuActive() then
                hideHud()
            else
                local speed = math.floor(GetEntitySpeed(vehicle) * SPEED_MULTIPLIER + 0.5)
                local rpm = math.floor(GetVehicleCurrentRpm(vehicle) * 100 + 0.5) / 100

                updateHud(speed, rpm)
            end

            Citizen.Wait(UPDATE_INTERVAL)

            ped = PlayerPedId()
            vehicle = GetVehiclePedIsIn(ped, false)
        end

        hideHud()

        Citizen.Wait(IDLE_INTERVAL)
    end
end)