--// ESX is needed only for the menu default
ESX = nil
Citizen.CreateThread(function() while ESX == nil do TriggerEvent('esx:getSharedObject', function(obj) ESX = obj end) Citizen.Wait(10) end end)

local type = nil
local _menu = {
    {label = 'Reset',  value = 'reset'},
    {label = 'Ultra Low',    value = 'ulow'},
    {label = 'Low',    value = 'low'},
    {label = 'Medium', value = 'medium'},
}

RegisterCommand("fps", function()
	ESX.UI.Menu.CloseAll()
	ESX.UI.Menu.Open('default', GetCurrentResourceName(), 'fps', {
		title    = 'FPS Booster (By XenoS)',
		align    = 'top-left',
		elements = _menu
	}, function(data, menu)
        local v = data.current.value

        --// Things need to be runned only one time
		if v == "reset" then
            RopeDrawShadowEnabled(true)

            CascadeShadowsSetAircraftMode(true)
            CascadeShadowsEnableEntityTracker(false)
            CascadeShadowsSetDynamicDepthMode(true)
            CascadeShadowsSetEntityTrackerScale(5.0)
            CascadeShadowsSetDynamicDepthValue(5.0)
            CascadeShadowsSetCascadeBoundsScale(5.0)
            
            SetFlashLightFadeDistance(10.0)
            SetLightsCutoffDistanceTweak(10.0)
            DistantCopCarSirens(true)
            SetArtificialLightsState(false)
        elseif v == "ulow" then
            RopeDrawShadowEnabled(false)

            CascadeShadowsClearShadowSampleType()
            CascadeShadowsSetAircraftMode(false)
            CascadeShadowsEnableEntityTracker(true)
            CascadeShadowsSetDynamicDepthMode(false)
            CascadeShadowsSetEntityTrackerScale(0.0)
            CascadeShadowsSetDynamicDepthValue(0.0)
            CascadeShadowsSetCascadeBoundsScale(0.0)

            SetFlashLightFadeDistance(0.0)
            SetLightsCutoffDistanceTweak(0.0)
            DistantCopCarSirens(false)
        elseif v == "low" then
            RopeDrawShadowEnabled(false)

            CascadeShadowsClearShadowSampleType()
            CascadeShadowsSetAircraftMode(false)
            CascadeShadowsEnableEntityTracker(true)
            CascadeShadowsSetDynamicDepthMode(false)
            CascadeShadowsSetEntityTrackerScale(0.0)
            CascadeShadowsSetDynamicDepthValue(0.0)
            CascadeShadowsSetCascadeBoundsScale(0.0)

            SetFlashLightFadeDistance(5.0)
            SetLightsCutoffDistanceTweak(5.0)
            DistantCopCarSirens(false)
        elseif v == "medium" then
            RopeDrawShadowEnabled(true)

            CascadeShadowsClearShadowSampleType()
            CascadeShadowsSetAircraftMode(false)
            CascadeShadowsEnableEntityTracker(true)
            CascadeShadowsSetDynamicDepthMode(false)
            CascadeShadowsSetEntityTrackerScale(5.0)
            CascadeShadowsSetDynamicDepthValue(3.0)
            CascadeShadowsSetCascadeBoundsScale(3.0)

            SetFlashLightFadeDistance(3.0)
            SetLightsCutoffDistanceTweak(3.0)
            DistantCopCarSirens(false)
            SetArtificialLightsState(false)
		end

        type = v
	end, function(data, menu)
		menu.close()
	end)
end)

-- // Distance rendering and entity handler (need a revision)
Citizen.CreateThread(function()
    while true do
        if type == "ulow" then
            --// Find closest ped and set the alpha
            for ped in GetWorldPeds() do
                if not IsEntityOnScreen(ped) then
                    SetEntityAlpha(ped, 0)
                    SetEntityAsNoLongerNeeded(ped)
                else
                    if GetEntityAlpha(ped) == 0 then
                        SetEntityAlpha(ped, 255)
                    elseif GetEntityAlpha(ped) ~= 210 then
                        SetEntityAlpha(ped, 210)
                    end
                end

                SetPedAoBlobRendering(ped, false)
                Citizen.Wait(1)
            end

            --// Find closest object and set the alpha
            for obj in GetWorldObjects() do
                if not IsEntityOnScreen(obj) then
                    SetEntityAlpha(obj, 0)
                    SetEntityAsNoLongerNeeded(obj)
                else
                    if GetEntityAlpha(obj) == 0 then
                        SetEntityAlpha(obj, 255)
                    elseif GetEntityAlpha(obj) ~= 170 then
                        SetEntityAlpha(obj, 170)
                    end
                end
                Citizen.Wait(1)
            end


            DisableOcclusionThisFrame()
            SetDisableDecalRenderingThisFrame()
            RemoveParticleFxInRange(GetEntityCoords(PlayerPedId()), 10.0)
            OverrideLodscaleThisFrame(0.4)
            SetArtificialLightsState(true)
        elseif type == "low" then
            --// Find closest ped and set the alpha
            for ped in GetWorldPeds() do
                if not IsEntityOnScreen(ped) then
                    SetEntityAlpha(ped, 0)
                    SetEntityAsNoLongerNeeded(ped)
                else
                    if GetEntityAlpha(ped) == 0 then
                        SetEntityAlpha(ped, 255)
                    elseif GetEntityAlpha(ped) ~= 210 then
                        SetEntityAlpha(ped, 210)
                    end
                end
                SetPedAoBlobRendering(ped, false)

                Citizen.Wait(1)
            end

            --// Find closest object and set the alpha
            for obj in GetWorldObjects() do
                if not IsEntityOnScreen(obj) then
                    SetEntityAlpha(obj, 0)
                    SetEntityAsNoLongerNeeded(obj)
                else
                    if GetEntityAlpha(obj) == 0 then
                        SetEntityAlpha(obj, 255)
                    elseif GetEntityAlpha(ped) ~= 210 then
                        SetEntityAlpha(ped, 210)
                    end
                end
                Citizen.Wait(1)
            end

            SetDisableDecalRenderingThisFrame()
            RemoveParticleFxInRange(GetEntityCoords(PlayerPedId()), 10.0)
            OverrideLodscaleThisFrame(0.6)
            SetArtificialLightsState(true)
        elseif type == "medium" then
            --// Find closest ped and set the alpha
            for ped in GetWorldPeds() do
                if not IsEntityOnScreen(ped) then
                    SetEntityAlpha(ped, 0)
                    SetEntityAsNoLongerNeeded(ped)
                else
                    if GetEntityAlpha(ped) == 0 then
                        SetEntityAlpha(ped, 255)
                    end
                end

                SetPedAoBlobRendering(ped, false)
                Citizen.Wait(1)
            end
        
            --// Find closest object and set the alpha
            for obj in GetWorldObjects() do
                if not IsEntityOnScreen(obj) then
                    SetEntityAlpha(obj, 0)
                    SetEntityAsNoLongerNeeded(obj)
                else
                    if GetEntityAlpha(obj) == 0 then
                        SetEntityAlpha(obj, 255)
                    end
                end
                Citizen.Wait(1)
            end

            OverrideLodscaleThisFrame(0.8)
        else
            Citizen.Wait(500)
        end
        Citizen.Wait(8)
    end
end)

--// Clear broken thing, disable rain, disable wind and other tiny thing that dont require the frame tick
Citizen.CreateThread(function()
    while true do
        if type == "ulow" or type == "low" then
            ClearAllBrokenGlass()
            ClearAllHelpMessages()
            LeaderboardsReadClearAll()
            ClearBrief()
            ClearGpsFlags()
            ClearPrints()
            ClearSmallPrints()
            ClearReplayStats()
            LeaderboardsClearCacheData()
            ClearFocus()
            ClearHdArea()
            ClearPedBloodDamage(PlayerPedId())
            ClearPedWetness(PlayerPedId())
            ClearPedEnvDirt(PlayerPedId())
            ResetPedVisibleDamage(PlayerPedId())
            ClearExtraTimecycleModifier()
            ClearTimecycleModifier()
            ClearOverrideWeather()
            ClearHdArea()
            DisableVehicleDistantlights(false)
            DisableScreenblurFade()
            SetRainLevel(0.0)
            SetWindSpeed(0.0)
            Citizen.Wait(300)
        elseif type == "medium" then
            ClearAllBrokenGlass()
            ClearAllHelpMessages()
            LeaderboardsReadClearAll()
            ClearBrief()
            ClearGpsFlags()
            ClearPrints()
            ClearSmallPrints()
            ClearReplayStats()
            LeaderboardsClearCacheData()
            ClearFocus()
            ClearHdArea()
            SetWindSpeed(0.0)
            Citizen.Wait(1000)
        else
            Citizen.Wait(1500)
        end
    end
end)






--// Entity Enumerator (https://gist.github.com/IllidanS4/9865ed17f60576425369fc1da70259b2#file-entityiter-lua)
local entityEnumerator = {
    __gc = function(enum)
        if enum.destructor and enum.handle then
            enum.destructor(enum.handle)
        end
        enum.destructor = nil
        enum.handle = nil
    end
}

local function EnumerateEntities(initFunc, moveFunc, disposeFunc)
    return coroutine.wrap(
        function()
            local iter, id = initFunc()
            if not id or id == 0 then
                disposeFunc(iter)
                return
            end

            local enum = {handle = iter, destructor = disposeFunc}
            setmetatable(enum, entityEnumerator)

            local next = true
            repeat
                coroutine.yield(id)
                next, id = moveFunc(iter)
            until not next

            enum.destructor, enum.handle = nil, nil
            disposeFunc(iter)
        end
    )
end

function GetWorldObjects()
    return EnumerateEntities(FindFirstObject, FindNextObject, EndFindObject)
end

function GetWorldPeds()
    return EnumerateEntities(FindFirstPed, FindNextPed, EndFindPed)
end

function GetWorldVehicles()
    return EnumerateEntities(FindFirstVehicle, FindNextVehicle, EndFindVehicle)
end

function GetWorldPickups()
    return EnumerateEntities(FindFirstPickup, FindNextPickup, EndFindPickup)
end