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

/**
 * CubeBuilder: Builds a 3D cube brush.
 */

#pragma once

#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
#include "Builders/EditorBrushBuilder.h"
#include "CubeBuilder.generated.h"

class ABrush;

UCLASS(MinimalAPI, autoexpandcategories = BrushSettings, EditInlineNew, meta = (DisplayName = "Box"))
class UCubeBuilder: public UEditorBrushBuilder
{
public:
    GENERATED_BODY()

public:
    UCubeBuilder(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());

    /** The size of the cube in the X dimension */
    UPROPERTY(EditAnywhere, Category = BrushSettings, meta = (ClampMin = "0.000001"))
    float X;

    /** The size of the cube in the Y dimension */
    UPROPERTY(EditAnywhere, Category = BrushSettings, meta = (ClampMin = "0.000001"))
    float Y;

    /** The size of the cube in the Z dimension */
    UPROPERTY(EditAnywhere, Category = BrushSettings, meta = (ClampMin = "0.000001"))
    float Z;

    /** The thickness of the cube wall when hollow */
    UPROPERTY(EditAnywhere, Category = BrushSettings, meta = (EditCondition = "Hollow"))
    float WallThickness;

    UPROPERTY()
    FName GroupName;

    /** Whether this is a hollow or solid cube */
    UPROPERTY(EditAnywhere, Category = BrushSettings)
    uint32 Hollow : 1;

    /** Whether extra internal faces should be generated for each cube face */
    UPROPERTY(EditAnywhere, Category = BrushSettings)
    uint32 Tessellated : 1;

    //~ Begin UObject Interface
    virtual void PostEditChangeProperty(struct FPropertyChangedEvent& PropertyChangedEvent) override;
    //~ End UObject Interface

    //~ Begin UBrushBuilder Interface
    virtual bool Build(UWorld* InWorld, ABrush* InBrush = NULL) override;
    //~ End UBrushBuilder Interface

    // @todo document
    virtual void BuildCube(int32 Direction, float dx, float dy, float dz, bool _tessellated);
};