World of Warcraft AddOn Plugin for Routes, enables making up routes from TomTom waypoints

TomTom.lua

local Routes = LibStub("AceAddon-3.0"):GetAddon("Routes", 1)
if not Routes then return end

local SourceName = "TomTom"
local L = LibStub("AceLocale-3.0"):GetLocale("Routes")
L['Waypoint'] = 'Waypoint'

------------------------------------------
-- setup
Routes.plugins[SourceName] = {}
local source = Routes.plugins[SourceName]

do
	local loaded = true
	local function IsActive() -- Can we gather data?
		return TomTom and loaded
	end
	source.IsActive = IsActive

	-- stop loading if the addon is not enabled, or
	-- stop loading if there is a reason why it can't be loaded ("MISSING" or "DISABLED")
	local name, title, notes, enabled, loadable, reason, security = GetAddOnInfo(SourceName)
	if not enabled or (reason ~= nil) then
		loaded = false
		return
	end
end

------------------------------------------
-- functions

local amount_of = {}
local function Summarize(data, zone)
    local continent = Routes.zoneData[zone][3]
	continent, zone = floor(continent / 100), continent % 100
    zone = TomTom:GetMapFile(continent, zone)
    
    local node = "Waypoint"
    local count = #TomTom.waypointprofile[zone]
	for _, value in ipairs(TomTom.waypointprofile[zone]) do
		data[ ("%s;%s;%s"):format(SourceName, node, count) ] = ("%s - %d"):format(node, count)
	end

	return data
end
source.Summarize = Summarize

local function AppendNodes(node_list, zone, db_type, node_type)
    local continent = Routes.zoneData[zone][3]
	continent, zone = floor(continent / 100), continent % 100
    zone = TomTom:GetMapFile(continent, zone)
    
    local node = "Waypoint"
    local count = #TomTom.waypointprofile[zone]
    local coord, title
	for _, waypoint in ipairs(TomTom.waypointprofile[zone]) do
        coord, title = waypoint:match("^(%d+):(.*)$")
        tinsert( node_list, coord )
	end
	return node, node, "Waypoint"
end
source.AppendNodes = AppendNodes

source.AddCallbacks = function() end
source.RemoveCallbacks = function() end