// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "UObject/UObjectGlobals.h"
#include "HitProxies.h"

class AActor;
class ABrush;
class FLevelEditorViewportClient;
class UModel;
class USceneComponent;
struct FViewportClick;
struct HActor;
struct HGeomEdgeProxy;
struct HGeomPolyProxy;
struct HGeomVertexProxy;

/**
 * A hit proxy class for sockets in the main editor viewports.
 */
struct HLevelSocketProxy: public HHitProxy
{
    DECLARE_HIT_PROXY();

    AActor* Actor;
    USceneComponent* SceneComponent;
    FName SocketName;

    HLevelSocketProxy(AActor* InActor, USceneComponent* InSceneComponent, FName InSocketName)
        : HHitProxy(HPP_UI), Actor(InActor), SceneComponent(InSceneComponent), SocketName(InSocketName)
    {}
    virtual void AddReferencedObjects(FReferenceCollector& Collector) override
    {
        Collector.AddReferencedObject(Actor);
        Collector.AddReferencedObject(SceneComponent);
    }
};

namespace LevelViewportClickHandlers
{
bool ClickViewport(FLevelEditorViewportClient* ViewportClient, const FViewportClick& Click);

bool UNREALED_API ClickActor(FLevelEditorViewportClient* ViewportClient, AActor* Actor, const FViewportClick& Click, bool bAllowSelectionChange);

bool ClickComponent(FLevelEditorViewportClient* ViewportClient, HActor* ActorHitProxy, const FViewportClick& Click);

void ClickBrushVertex(FLevelEditorViewportClient* ViewportClient, ABrush* InBrush, FVector* InVertex, const FViewportClick& Click);

void ClickStaticMeshVertex(FLevelEditorViewportClient* ViewportClient, AActor* InActor, FVector& InVertex, const FViewportClick& Click);

void ClickSurface(FLevelEditorViewportClient* ViewportClient, UModel* Model, int32 iSurf, const FViewportClick& Click);

void ClickBackdrop(FLevelEditorViewportClient* ViewportClient, const FViewportClick& Click);

void ClickLevelSocket(FLevelEditorViewportClient* ViewportClient, HHitProxy* HitProxy, const FViewportClick& Click);
};  // namespace LevelViewportClickHandlers