package ClosureForGroups

public interface ForGroupCallback
	function callback(unit u)

function filter() returns boolean
	currentCallback().callback(GetFilterUnit())
	return false

ForGroupCallback array tempCallbacks
int tempCallbacksCount = 0
constant filter = Condition(function filter)

function pushCallback(ForGroupCallback c)
	tempCallbacks[tempCallbacksCount] = c
	tempCallbacksCount++

function popCallback()
	tempCallbacksCount--
	destroy tempCallbacks[tempCallbacksCount]

function currentCallback() returns ForGroupCallback
	return tempCallbacks[tempCallbacksCount - 1]

public function forUnitsOfType(string unitname, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsOfType(ENUM_GROUP, unitname, filter)
	popCallback()

public function forUnitsOfPlayer(player p, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsOfPlayer(ENUM_GROUP, p, filter)
	popCallback()

public function forUnitsOfTypeCounted(string unitname, int count, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsOfTypeCounted(ENUM_GROUP, unitname, filter, count)
	popCallback()

public function forUnitsInRect(rect r, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsInRect(ENUM_GROUP, r, filter)
	popCallback()

public function forUnitsInRectCounted(rect r, int count, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsInRectCounted(ENUM_GROUP, r, filter, count)
	popCallback()

public function forUnitsInRange(vec2 pos, real radius, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsInRange(ENUM_GROUP, pos.x, pos.y, radius, filter)
	popCallback()

public function forUnitsInRange(real posX, real posY, real radius, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsInRange(ENUM_GROUP, posX, posY, radius, filter)
	popCallback()

public function forUnitsInRangeCounted(vec2 pos, real radius, int count, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsInRangeCounted(ENUM_GROUP, pos.x, pos.y, radius, filter, count)
	popCallback()

public function forUnitsSelected(player p, ForGroupCallback c)
	pushCallback(c)
	GroupEnumUnitsSelected(ENUM_GROUP, p, filter)
	popCallback()