--NO UPGRADE
addhook("objectupgrade","no_upgrade")
function no_upgrade(id,player,progress,total)
	if id == 1 then
		return 1
	else
		return 0
	end
end

local barricades = {}

function in_array(arr, value)
	for _, v in ipairs(arr) do
		if v == value then
			return true
		end
	end
	return false
end

function build_hook(id, type, x, y, mode, objectid)
	if type == 1 then
		table.insert(barricades, objectid)
	end
end

function objectupgrade_hook(id, player, progress, total)
	if in_array(barricades, id) then
		return 1
	end
end

addhook("build", "build_hook")
addhook("objectupgrade", "objectupgrade_hook")

addhook("objectupgrade","stopupgrade")
function stopupgrade(oid)
	if object(oid,"type") == 1 then
		return 1
	end
end

barricades = {}

addhook("startround","initbars")
function initbars()
	-- Reset table
	barricades = {}
	-- Then repopulate with ones spawned by the map
	for _, o in pairs(object(0,"table")) do
		if object(o,"type") == 1 then
			table.insert(barricades,o)
		end
	end
end

addhook("build,"addtobars")
function addtobars(pid,btype,x,y,mode,oid)
	if btype == 1 then
		table.insert(barricades,oid)
	end
end

addhook("objectkill","removefrombars")
function removefrombars(oid)
	for a, b in ipairs(barricades) do
		if b == oid then
			table.remove(barricades,a)
			break
		end
	end
end

addhook("objectupgrade","stopupgrade")
function stopupgrade(oid)
	for _, o in ipairs(barricades) do
		if o == oid then
			return 1
		end
	end
end