DialogueBlueprintUtilities.h

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// Copyright Csaba Molnar, Daniel Butum. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "Kismet2/BlueprintEditorUtils.h"
 
#include "DlgDialogueParticipant.h"
#include "DlgManager.h"
 
class FDialogueBlueprintUtilities
{
public:
    // Gets the blueprint for the provided Node
    static UBlueprint* GetBlueprintForGraphNode(const UK2Node* Node)
    {
        if (!IsValid(Node))
        {
            return nullptr;
        }
 
        // NOTE we can't call Node->GetBlueprint() because this is called in strange places ;)
        if (const UEdGraph* Graph = Cast<UEdGraph>(Node->GetOuter()))
        {
            return FBlueprintEditorUtils::FindBlueprintForGraph(Graph);
        }
 
        return nullptr;
    }
 
    // Checks if the Blueprint for the Node is loaded or not.
    static bool IsBlueprintLoadedForGraphNode(const UK2Node* Node)
    {
        if (UBlueprint* Blueprint = GetBlueprintForGraphNode(Node))
        {
            return !Blueprint->HasAnyFlags(RF_NeedLoad | RF_NeedPostLoad);
        }
        return false;
    }
 
    static FName GetParticipantNameFromNode(const UK2Node* Node)
    {
        if (const UBlueprint* Blueprint = GetBlueprintForGraphNode(Node))
        {
            if (UDlgManager::DoesObjectImplementDialogueParticipantInterface(Blueprint))
            {
                return IDlgDialogueParticipant::Execute_GetParticipantName(Blueprint->GeneratedClass->GetDefaultObject());
            }
        }
 
        return NAME_None;
    }
};