Attribute Evaluator not working when attempting to find player's class

Development Programming & Scripting
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2

The below code should do what you want. It correctly printed the selected class index when I tried it in game.


using { /Fortnite.com/Devices }
using { /Verse.org/Simulation }
using { /UnrealEngine.com/Temporary/Diagnostics }

# See https://dev.epicgames.com/documentation/en-us/uefn/create-your-own-device-in-verse for how to create a verse device.

# A Verse-authored creative device that can be placed in a level
class_checker_device := class(creative_device):

    @editable 
    ClassCheckers : []attribute_evaluator_device = array{}
    @editable  
    Button : button_device = button_device{}

    # Runs when the device is started in a running game
    OnBegin<override>()<suspends>:void=
        Button.InteractedWithEvent.Subscribe(OnButtonPressed) <# Provides a way for this code to be ran #>

    OnButtonPressed(Agent:agent):void=
        spawn:
            GetPlayersClassIndex(Agent) <# spawn our suspends function #>
    
    GetPlayersClassIndex(Agent:agent)<suspends>:void=
        ClassIndex:int = race: <# This race evaluates all 4 of the following things at the same time, the first one that responds is the winner (and its value is used to set ClassIndex) the others get canceled #>
            EvaluateClass(Agent,0)
            EvaluateClass(Agent,1)
            EvaluateClass(Agent,2)
            EvaluateClass(Agent,3)
        Print("Your Selected Class is {ClassIndex + 1}") <# our array starts at zero, Fortnite's class indexes start at 1 #>

    EvaluateClass(Agent:agent,InCheckerIndex:int)<suspends>:int=
        if(L_ClassChecker:=ClassCheckers[InCheckerIndex]):
            L_ClassChecker.EvaluateAgent(Agent)
            L_ClassChecker.PassEvent.Await()
            return InCheckerIndex
        Sleep(30.0) <# give other threads time to succeed #>
        return -1
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