control.lua

require 'script.inserters'

script.on_init(
	function()
		game.planets.fortress.create_surface()
	end)



script.on_event(defines.events.on_trigger_created_entity,
	function(event)
		local entity = event.entity
		if not (entity and entity.valid) then
			return
		end
		if entity.name ~= 'warp-sticker' then
			return
		end
		local source = event.source
		if not (source and source.valid) then
			return
		end
		local character = entity.sticked_to
		if not (character and character.valid) then
			return
		end

		if character.type ~= "character" then return end

		if not character.player or not character.player.valid then
			return
		end

		local data = {
			player_index = character.player.index,
			entity = source,
			position = source.position,
		}
		script.raise_event('on_player_warp_entered', data)
	end)