Files
UnrealEngine/Engine/Source/Editor/MergeActors/Private/MeshApproximationTool/MeshApproximationTool.h
2025-05-18 13:04:45 +08:00

90 lines
2.2 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "Widgets/SWidget.h"
#include "MeshMerge/MeshApproximationSettings.h"
#include "MergeActorsTool.h"
#include "MeshApproximationTool.generated.h"
class SMeshApproximationDialog;
/** Singleton wrapper to allow for using the setting structure in SSettingsView */
UCLASS(config = Engine)
class UMeshApproximationSettingsObject : public UObject
{
GENERATED_BODY()
public:
UMeshApproximationSettingsObject()
{
}
static UMeshApproximationSettingsObject* Get()
{
// This is a singleton, duplicate default object
if (!bInitialized)
{
DefaultSettings = DuplicateObject(GetMutableDefault<UMeshApproximationSettingsObject>(), nullptr);
DefaultSettings->AddToRoot();
bInitialized = true;
}
return DefaultSettings;
}
static void Destroy()
{
if (bInitialized)
{
if (UObjectInitialized() && DefaultSettings)
{
DefaultSettings->RemoveFromRoot();
DefaultSettings->MarkAsGarbage();
}
DefaultSettings = nullptr;
bInitialized = false;
}
}
protected:
static bool bInitialized;
static UMeshApproximationSettingsObject* DefaultSettings;
public:
UPROPERTY(EditAnywhere, meta = (ShowOnlyInnerProperties), Category = ApproximationSettings)
FMeshApproximationSettings Settings;
};
/**
* Mesh Proxy Tool
*/
class FMeshApproximationTool : public FMergeActorsTool
{
friend class SMeshApproximationDialog;
public:
FMeshApproximationTool();
~FMeshApproximationTool();
// IMergeActorsTool interface
virtual TSharedRef<SWidget> GetWidget() override;
virtual FName GetIconName() const override;
virtual FText GetToolNameText() const override;
virtual FText GetTooltipText() const override;
virtual FString GetDefaultPackageName() const override;
protected:
virtual bool RunMerge(const FString& PackageName, const TArray<TSharedPtr<FMergeComponentData>>& SelectedComponents) override;
virtual const TArray<TSharedPtr<FMergeComponentData>>& GetSelectedComponentsInWidget() const override;
protected:
/** Pointer to the mesh merging dialog containing settings for the merge */
TSharedPtr<SMeshApproximationDialog> ProxyDialog;
/** Pointer to singleton settings object */
UMeshApproximationSettingsObject* SettingsObject;
};