attach possibilities?

scope BuildTower initializer onInit


	private function GridSimBuild takes nothing returns nothing
		// HERE I NEED TO REFER TO ORIGINAL BUILDER UNIT "u_builder"
		// BUT HOW???

		// I COULD USE A STRUCT LIKE:
		// 	private struct Data
		//		unit u
		// 	endstruct
		// & IN FUNC "Ability2Unit":
		//	local Data d = d.create()
		//	set d.u = u_builder
		//	call SetUnitUserData(u_dummyBuilder, d)
		// & IN THIS FUNC ("GridSimBuild"):
		//	local Data d = Data(GetUnitUserData(GetTriggerUnit()))
		//	local unit u_YAY = d.u
		// !!! BUT !!!
		// I ALREADY USE THE UNITUSERDATA FOR ANOTHER SYSTEM,
		// SO WHAT ELSE CAN I USE?
	endfunction


	private function Ability2Unit takes nothing returns nothing
		local trigger tri
		local unit u_builder = GetTriggerUnit()
		local unit u_dummyBuilder
		local player p = GetOwningPlayer(u_builder)

		set u_dummyBuilder = CreateUnit( p, 'hpea', 0, 0, 0 )

		set tri = CreateTrigger()
		call TriggerRegisterUnitEvent( tri, u_dummyBuilder, EVENT_UNIT_ISSUED_POINT_ORDER )
		call TriggerAddAction( tri, function GridSimBuild )

		set tri = null
		set p = null
		set u_builder = null
		set u_dummyBuilder = null
	endfunction


	private function onInit takes nothing returns nothing
		local trigger t = CreateTrigger()
		local integer i_player

		set i_player = 0
		loop
			exitwhen i_player > 11
			call TriggerRegisterPlayerUnitEvent(t, Player(i_player), EVENT_PLAYER_UNIT_SPELL_CHANNEL, null)
			set i_player = i_player+1
		endloop

		call TriggerAddAction(t, function Ability2Unit)

		set t = null
	endfunction

endscope