Started adding in Steam Workshop support today

Former-commit-id: 61ccb9268f557fc3b9be093fde7b157d9a926bfd

Source/AdvancedSessions/Classes/SteamFuncs/AdvancedSteamWorkshopLibrary.h

@@ -0,0 +1,55 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+#include "OnlineSubSystemHeader.h"
+#include "Kismet/BlueprintFunctionLibrary.h"
+#include "Online.h"
+#include "OnlineSubsystem.h"
+#include "OnlineSessionInterface.h"
+
+#include "AdvancedSteamWorkshopLibrary.generated.h"
+
+
+//General Advanced Sessions Log
+DECLARE_LOG_CATEGORY_EXTERN(AdvancedSteamWorkshopLog, Log, All);
+
+
+// Using a custom struct because uint32 isn't blueprint supported and I don't want to cast to int32
+// due to the size of the workshop it could end up overflowing?
+USTRUCT(BlueprintType)
+struct FBPSteamWorkshopID
+{
+	GENERATED_USTRUCT_BODY()
+
+public:
+
+	uint32 SteamWorkshopID;
+
+	FBPSteamWorkshopID()
+	{
+
+	}
+
+	FBPSteamWorkshopID(uint32 ID)
+	{
+		SteamWorkshopID = ID;
+	}
+};
+
+
+UCLASS()
+class UAdvancedSteamWorkshopLibrary : public UBlueprintFunctionLibrary
+{
+	GENERATED_BODY()
+public:
+	
+	//********* Steam Functions *************//
+	
+	// Returns IDs for subscribed workshop items, TArray length dictates how many
+	UFUNCTION(BlueprintCallable, Category = "Online|AdvancedSteamWorkshop")
+	static TArray<FBPSteamWorkshopID> GetSubscribedWorkshopItems(int32 & NumberOfItems);
+
+	UFUNCTION(BlueprintCallable, Category = "Online|AdvancedSteamWorkshop")
+	static void GetNumSubscribedWorkshopItems(int32 & NumberOfItems);
+
+};