MattRix’s gists

MattRix / wrap_subscribe.verse

Last active October 13, 2024 18:45

Send additional data to Subscribe() listeners in Verse

	#usage example (when subscribing to an event that returns an agent)
	ButtonDevice.InteractedWithEvent.SubscribeAgent(OnButtonInteract, "Hello!")

	OnButtonInteract(Agent : agent, Text : string) : void =
	Print("Button interacted with {Text}!")

	#usage example (when subscribing to an event that returns tuple(), aka an empty tuple)
	CampfireDevice.CampfirePulseEvent.SubscribeEmpty(OnCampfirePulse, 90210)

	OnCampfirePulse(Number : int) : void =

MattRix / SingleImagePostMaterial.txt

Created May 2, 2023 22:17

Post processing material for UE5/UEFN material graph to show an image on screen (copy and paste into the graph editor)

	Begin Object Class=/Script/UnrealEd.MaterialGraphNode_Root Name="MaterialGraphNode_Root_16"
	Material=/Script/UnrealEd.PreviewMaterial'"/Engine/Transient.PreviewMaterial_2"'
	NodePosX=144
	NodePosY=-80
	NodeGuid=DA645A0D405D999F05550EB2B20E74E3
	CustomProperties Pin (PinId=94B10B244638D93ADC813DA0DB8A360A,PinName="Base Color",PinType.PinCategory="materialinput",PinType.PinSubCategory="5",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
	CustomProperties Pin (PinId=2BA1B6FE4FAF4CE973853CAD1EB7925E,PinName="Metallic",PinType.PinCategory="materialinput",PinType.PinSubCategory="6",PinType.P

MattRix / singleton.verse

Created April 24, 2023 15:27

Singleton in Verse

	global := class<varies><concrete>():
	var MaybeMainDevice : ?main_device = false

	GetMainDevice():main_device =
	if(MainDevice := Global.MaybeMainDevice?) then MainDevice else main_device{}

	Global : global = global{}

	#in the device's OnBegin you call
	set Global.MaybeMainDevice = option{Self}

MattRix / routine.verse

Last active October 13, 2024 18:50

Cancelable Spawned Coroutines in Verse (advanced version)

	<#> Usage
	MyRoutine := SpawnRoutine(SomeLongRunningTask)
	MyRoutine.Cancel()

	SpawnRoutine<public>(Func : type{_()<suspends>:void}):routine =
	Routine := routine{Func := Func}
	Routine.Start()
	return Routine

	routine<public> := class():

MattRix / routine.verse

Created April 21, 2023 16:19

Cancelable Coroutines with Verse (using race)

	<#> Usage
	Routine := SpawnRoutine(SomeLongTask)
	Routine.Cancel()

	SpawnRoutine(Func : type{_()<suspends>:void}):routine =
	Routine := routine{Func := Func}
	Routine.Start()
	return Routine

	routine := class():

MattRix / sort.verse

Created April 21, 2023 15:43

Parmetric Quicksort for Arrays in Verse

	<#> Usage:
	SortedItems := Sort(Items, true, CompareInt)



	Sort(Items : []t, IsAscending : logic, Comparer: type{_(:t, :t)<computes> : int} where t : type)<computes> : []t =
	if (Items.Length > 1, Pivot := Items[Floor(Items.Length/2)]):
	Left := for(Item : Items, Comparer(Item, Pivot) = -1) do Item
	Middle := for(Item : Items, Comparer(Item, Pivot) = 0) do Item
	Right := for(Item : Items, Comparer(Item, Pivot) = 1) do Item

MattRix / slow_down_device.verse

Last active March 31, 2023 18:09

A device that shows some kind of memory leak in UEFN/Verse (creating and removing a bunch of UI widgets every frame)

	using { /Verse.org/Simulation }
	using { /Verse.org/Verse }
	using { /Verse.org/Colors }
	using { /Verse.org/Random }

	using { /UnrealEngine.com/Temporary/UI }

	using { /Fortnite.com/Devices }
	using { /Fortnite.com/UI }

MattRix / movechecker_device.verse

Created March 29, 2023 19:11

A Verse script that detects when the player starts and stops moving


	using { /Verse.org/Simulation }
	using { /UnrealEngine.com/Temporary/SpatialMath }

	using { /Fortnite.com/Devices }
	using { /Fortnite.com/Characters }


	movechecker_device := class(creative_device):

MattRix / FormatRoundedFloatAsString.verse

Last active October 13, 2024 18:54

A function to write a float to a string with a certain numer of decimal places in Verse

	FormatRoundedFloatAsString(Input : float, NumDigitsAfterDecimal : int) : string =
	if:
	Multiplier := Pow(10.0, NumDigitsAfterDecimal * 1.0)
	RoundedValue := float[Round[Input * Multiplier] * 1.0] / Multiplier
	BeforeDecimal := Floor[RoundedValue]
	AfterDecimal := Abs(Round[(RoundedValue - BeforeDecimal * 1.0)*Multiplier])
	var AfterDecimalString : string = ToString(AfterDecimal)

	#pad the number after the decimal with leading zeroes
	for (It := 0..(NumDigitsAfterDecimal - AfterDecimalString.Length - 1)):

MattRix / movement_detector_device.verse

Last active October 13, 2024 18:52

Movement Detector Device in Verse for UEFN

	using { /Verse.org/Simulation }
	using { /UnrealEngine.com/Temporary/SpatialMath }

	using { /Fortnite.com/Devices }
	using { /Fortnite.com/Characters }

	movement_detector_device := class(creative_device):

	@editable
	MinimumMovementDistance : float = 100.0

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