package CreepSpawn

import StringList
import UnitClass

public constant vec2 wargrinTopStart = vec2(0, 0)
public constant vec2 wargrinBotStart = vec2(0, 0)
public constant vec2 everlivingTopStart = vec2(0, 0)
public constant vec2 everlivingBotStart = vec2(0, 0)
public constant real waveInterval = 30
public constant real unitInterval = 0.9
public constant player wargrinOwner = Player(1)
public constant player everlivingOwner = Player(7)

public constant StringList wargrinSpawnorder = wargrinSpawnorder()
public constant StringList everlivingSpawnorder = everlivingSpawnorder()


function wargrinSpawnorder() returns StringList
	var w = new StringList()
	w.add("")
	return w
	
function everlivingSpawnorder() returns StringList
	var w = new StringList()
	w.add("")
	return w
	
function initSpawn()
	wargrinSpawn()
	everlivingSpawn()
	getTimer().startPeriodic(waveInterval, () -> begin
		wargrinSpawn()
		everlivingSpawn()
	end)
	
function wargrinSpawn()
	getTimer()..setData(wargrinSpawnorder.iterator() castTo int).start(unitInterval, function wargrinSpawnCallback)
	
function wargrinSpawnCallback()
	StringIteratorC iter = GetExpiredTimer().getData() castTo StringIteratorC
	if iter.hasNext()
		string s = iter.next()
		new Unit(s, wargrinTopStart, wargrinOwner)
		new Unit(s, wargrinTopStart, wargrinOwner)
	else
		destroy iter
		GetExpiredTimer().release()
		
function everlivingSpawn()
	getTimer()..setData(everlivingSpawnorder.iterator() castTo int).start(unitInterval, function everlivingSpawnCallback)
	
function everlivingSpawnCallback()
	StringIteratorC iter = GetExpiredTimer().getData() castTo StringIteratorC
	if iter.hasNext()
		string s = iter.next()
		new Unit(s, everlivingTopStart, wargrinOwner)
		new Unit(s, everlivingTopStart, wargrinOwner)
	else
		destroy iter
		GetExpiredTimer().release()