canary/data/scripts/actions/objects/windows.lua

local windowId = {}

for index, value in ipairs(windowTable) do
	if not table.contains(windowId, value.openWindow) then
		table.insert(windowId, value.openWindow)
	end

	if not table.contains(windowId, value.closedWindow) then
		table.insert(windowId, value.closedWindow)
	end
end

local windows = Action()

function windows.onUse(player, item, fromPosition, target, toPosition, isHotkey)
	local tile = Tile(fromPosition)
	local house = tile and tile:getHouse()
	if not house then
		fromPosition.y = fromPosition.y - 1
		tile = Tile(fromPosition)
		house = tile and tile:getHouse()
		if not house then
			fromPosition.y = fromPosition.y + 1
			fromPosition.x = fromPosition.x - 1
			tile = Tile(fromPosition)
			house = tile and tile:getHouse()
		end
	end

	if house then
		if Tile(fromPosition):getHouse() ~= house and player:getAccountType() < ACCOUNT_TYPE_GAMEMASTER then
			return false
		end
	end

	for index, value in ipairs(windowTable) do
		if value.closedWindow == item.itemid then
			item:transform(value.openWindow)
			return true
		end
	end

	for index, value in ipairs(windowTable) do
		if value.openWindow == item.itemid then
			item:transform(value.closedWindow)
		end
	end
	return true
end

for index, value in ipairs(windowId) do
	windows:id(value)
end

windows:register()