[Hitting an object with a specific item in hand.]

Just a note, _echo. You never need to declare native functions in your script in order to use them - any functions you declare should not be native.

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[Activator Scripts]

Don't forget we have actual states now, they can be really convenient. I've written a similar light switch script that uses states, that I put up on the wiki a while ago - Light Switch

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EDIT:

Here's the actual light switch script:

ScriptName ManualLightSwitch extends ObjectReference

{Controls a set of lights with a master enable parent

marker (EnableMarker) and a switch with this script

attached to turn on and off when the switch is activated}


ObjectReference Property EnableMarker auto

{The marker set as the enable parent of all the lights}


Event OnInit()


	If (EnableMarker.IsDisabled())

		GoToState("LightsOff")

	Else

		GoToState("LightsOn")

	EndIf


EndEvent


State LightsOff


	Event OnBeginState()

		Disable()

	EndEvent


	Event OnActivate(ObjectReference akActionRef)

		GoToState("LightsOn")

	EndEvent


EndState


State LightsOn


	Event OnBeginState()

		Enable()

	EndEvent


	Event OnActivate(ObjectReference akActionRef)

		GoToState("LightsOff")

	EndEvent


EndState

Also, an automatic variation that works on a timer:

ScriptName TimedLightSwitch extends ObjectReference

{Controls a set of lights with a master enable parent marker with this

script attached to turn on and off at the times of the day specified

by the properties LightsOffTime and LightsOnTime}


float Property LightsOffTime = 7.0 auto

{The time at which lights should be turned off}

float Property LightsOnTime = 18.0 auto

{The time at which lights should be turned on}


float Function GetCurrentHourOfDay() global

{Returns the current time of day in hours since midnight}


	float Time = Utility.GetCurrentGameTime()

	Time -= Math.Floor(Time) ; Remove "previous in-game days passed" bit

	Time *= 24 ; Convert from fraction of a day to number of hours

	Return Time


EndFunction


Function RegisterForSingleUpdateGameTimeAt(float GameTime)

{Registers for a single UpdateGameTime event at the next occurrence

of the specified GameTime (in hours since midnight)}


	float CurrentTime = GetCurrentHourOfDay()

	If (GameTime < CurrentTime)

		GameTime += 24

	EndIf


	RegisterForSingleUpdateGameTime(GameTime - CurrentTime)


EndFunction


Event OnInit()


	If (GetCurrentHourOfDay() > LightsOffTime)

		GoToState("LightsOff")

	Else

		GoToState("LightsOn")

	EndIf


EndEvent


State LightsOff


	Event OnBeginState()

		Disable()

		RegisterForSingleUpdateGameTimeAt(LightsOnTime)

	EndEvent


	Event OnUpdateGameTime()

		GoToState("LightsOn")

	EndEvent


EndState


State LightsOn


	Event OnBeginState()

		Enable()

		RegisterForSingleUpdateGameTimeAt(LightsOffTime)

	EndEvent


	Event OnUpdateGameTime()

		GoToState("LightsOff")

	EndEvent


EndState

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