Functions for easier UI creation

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

#Twitter PeterGGs

#Use these functions to help create a UI system without as much work
#If you want to change the button type just replace it in the MakeButton canvas functions 
#Also create buttons of that type

#Credit to Cleverlike Studios for the example of how to place buttons 

ui_creator_device := class(creative_device):

    var MaybeMyUIPerPlayer:[player]?canvas = map{}

    OnBegin<override>()<suspends>:void=
        AllPlayers := GetPlayspace().GetPlayers() #gets an array of all players in the game
        for (PlayerInGame : AllPlayers): #loops through the array to apply the canvas to everyone
            Show1stCanvasPlayer(PlayerInGame) #How to show the first canvas

    
    Show1stCanvasPlayer(Player:player):void= #Shows the first canvas from a player
        RemoveCanvasPlayer(Player)
        NewCanvas := MakeCanvas1st()
        SetCanvas(NewCanvas, Player)

    Show1stCanvasTupple(tup:widget_message):void= #Shows the first canvas from a button click
        Player := tup.Player #Extracts the player from the widget_message
        RemoveCanvasPlayer(Player) #Removes the canvas
        NewCanvas := MakeCanvas1st() #Creates the canvas
        SetCanvas(NewCanvas, Player) #Applies the canvas to the player