// Copyright UShaderLab. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "Factories/Factory.h"
#include "ShaderLabMaterialInstanceFactory.generated.h"

class UMaterial;

/**
 * Creates a UShaderLabMaterialInstanceConstant parented to a ShaderLab in-memory /Script base
 * material. Appears in the Content Browser under "Material & Textures ▸ ShaderLab Material Instance".
 *
 * ShaderLab base materials are hidden templates (not pickable as assets), so this factory is the
 * entry point: ConfigureProperties() pops a picker of the discovered base materials (with preview
 * thumbnails). A commandlet may instead set InitialParent directly and skip the dialog.
 */
UCLASS()
class UShaderLabMaterialInstanceFactory : public UFactory
{
	GENERATED_BODY()

public:
	UShaderLabMaterialInstanceFactory();

	/** Parent base material for the created instance. Set by the picker, or directly by a commandlet. */
	UPROPERTY()
	TObjectPtr<UMaterial> InitialParent = nullptr;

	//~ UFactory interface
	virtual bool ConfigureProperties() override;
	virtual UObject* FactoryCreateNew(UClass* InClass, UObject* InParent, FName InName, EObjectFlags Flags, UObject* Context, FFeedbackContext* Warn) override;
	virtual uint32 GetMenuCategories() const override;
	virtual FText GetDisplayName() const override;
	//~ End UFactory interface
};