esx_core/client/main.lua

ESX                           = nil
local HasAlreadyEnteredMarker = false
local LastZone                = nil
local CurrentAction           = nil
local CurrentActionMsg        = ''
local CurrentActionData       = {}
local Licenses                = {}

Citizen.CreateThread(function()
	while ESX == nil do
		TriggerEvent('esx:getSharedObject', function(obj) ESX = obj end)
		Citizen.Wait(0)
	end
end)

RegisterNetEvent('esx_weashop:loadLicenses')
AddEventHandler('esx_weashop:loadLicenses', function (licenses)
	for i = 1, #licenses, 1 do
		Licenses[licenses[i].type] = true
	end
end)

AddEventHandler('onClientMapStart', function()
	ESX.TriggerServerCallback('esx_weashop:requestDBItems', function(ShopItems)
		for k,v in pairs(ShopItems) do
			Config.Zones[k].Items = v
		end
	end)
end)

function OpenBuyLicenseMenu(zone)
	ESX.UI.Menu.CloseAll()

	ESX.UI.Menu.Open('default', GetCurrentResourceName(), 'shop_license',
	{
		title = _U('buy_license'),
		elements = {
			{ label = _U('yes') .. ' ($' .. Config.LicensePrice .. ')', value = 'yes' },
			{ label = _U('no'), value = 'no' },
		}
	}, function (data, menu)
		if data.current.value == 'yes' then
			TriggerServerEvent('esx_weashop:buyLicense')
		end
		menu.close()
	end, function (data, menu)
		menu.close()
	end
	)
end

function OpenShopMenu(zone)
	local elements = {}

	for i=1, #Config.Zones[zone].Items, 1 do
		local item = Config.Zones[zone].Items[i]

		table.insert(elements, {
			label     = item.label .. ' - <span style="color:green;">$' .. item.price .. ' </span>',
			realLabel = item.label,
			value     = item.name,
			price     = item.price
		})
	end
	ESX.UI.Menu.CloseAll()

	ESX.UI.Menu.Open('default', GetCurrentResourceName(), 'shop',
	{
		title  = _U('shop'),
		elements = elements
	}, function(data, menu)
		TriggerServerEvent('esx_weashop:buyItem', data.current.value, data.current.price, zone)
	end, function(data, menu)
		menu.close()
		CurrentAction     = 'shop_menu'
		CurrentActionMsg  = _U('shop_menu')
		CurrentActionData = {zone = zone}
	end
	)
end

AddEventHandler('esx_weashop:hasEnteredMarker', function(zone)
	CurrentAction     = 'shop_menu'
	CurrentActionMsg  = _U('shop_menu')
	CurrentActionData = {zone = zone}
end)

AddEventHandler('esx_weashop:hasExitedMarker', function(zone)´
	CurrentAction = nil
	ESX.UI.Menu.CloseAll()
end)

-- Create Blips
Citizen.CreateThread(function()
	for k,v in pairs(Config.Zones) do
		if v.legal==0 then
			for i = 1, #v.Pos, 1 do
				local blip = AddBlipForCoord(v.Pos[i].x, v.Pos[i].y, v.Pos[i].z)
				SetBlipSprite (blip, 154)
				SetBlipDisplay(blip, 4)
				SetBlipScale  (blip, 1.0)
				SetBlipColour (blip, 2)
				SetBlipAsShortRange(blip, true)
				BeginTextCommandSetBlipName("STRING")
				AddTextComponentString(_U('map_blip'))
				EndTextCommandSetBlipName(blip)
			end
		end
	end
end)

-- Display markers
Citizen.CreateThread(function()
	while true do
	Citizen.Wait(0)
		local coords = GetEntityCoords(GetPlayerPed(-1))
		for k,v in pairs(Config.Zones) do
			for i = 1, #v.Pos, 1 do
				if(Config.Type ~= -1 and GetDistanceBetweenCoords(coords, v.Pos[i].x, v.Pos[i].y, v.Pos[i].z, true) < Config.DrawDistance) then
					DrawMarker(Config.Type, v.Pos[i].x, v.Pos[i].y, v.Pos[i].z, 0.0, 0.0, 0.0, 0, 0.0, 0.0, Config.Size.x, Config.Size.y, Config.Size.z, Config.Color.r, Config.Color.g, Config.Color.b, 100, false, true, 2, false, false, false, false)
				end
			end
		end
	end
end)

-- Enter / Exit marker events
Citizen.CreateThread(function()
	while true do
		Citizen.Wait(0)
		local coords      = GetEntityCoords(GetPlayerPed(-1))
		local isInMarker  = false
		local currentZone = nil

		for k,v in pairs(Config.Zones) do
			for i = 1, #v.Pos, 1 do
				if(GetDistanceBetweenCoords(coords, v.Pos[i].x, v.Pos[i].y, v.Pos[i].z, true) < Config.Size.x) then
					isInMarker  = true
					ShopItems   = v.Items
					currentZone = k
					LastZone    = k
				end
			end
		end
		if isInMarker and not HasAlreadyEnteredMarker then
			HasAlreadyEnteredMarker = true
			TriggerEvent('esx_weashop:hasEnteredMarker', currentZone)
		end
		
		if not isInMarker and HasAlreadyEnteredMarker then
			HasAlreadyEnteredMarker = false
			TriggerEvent('esx_weashop:hasExitedMarker', LastZone)
		end
	end
end)

-- Key Controls
Citizen.CreateThread(function()
	while true do
		Citizen.Wait(0)
		if CurrentAction ~= nil then

			SetTextComponentFormat('STRING')
			AddTextComponentString(CurrentActionMsg)
			DisplayHelpTextFromStringLabel(0, 0, 1, -1)

			if IsControlJustReleased(0, 38) then

				if CurrentAction == 'shop_menu' then
					if Config.EnableLicense == true then
						if Licenses['weapon'] ~= nil or Config.Zones[CurrentActionData.zone].legal == 1 then
							OpenShopMenu(CurrentActionData.zone)
						else
							OpenBuyLicenseMenu()
						end
					else
						OpenShopMenu(CurrentActionData.zone)
					end
				end
				CurrentAction = nil
			end
		end
	end
end)