BrushBuilder.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Object.h"
#include "BrushBuilder.generated.h"
 
class ABrush;
 
// Internal state, not accessible to script.
USTRUCT()
struct FBuilderPoly
{
    GENERATED_USTRUCT_BODY()
 
    UPROPERTY()
    TArray<int32> VertexIndices;
 
    UPROPERTY()
    int32 Direction;
 
    UPROPERTY()
    FName ItemName;
 
    UPROPERTY()
    int32 PolyFlags;
 
    FBuilderPoly()
    : Direction(0), ItemName(NAME_None), PolyFlags(0)
    {}
};
 
 
UCLASS(abstract, hidecategories=(Object), MinimalAPI)
class UBrushBuilder
    : public UObject
{
    GENERATED_UCLASS_BODY()
 
    UPROPERTY()
    FString BitmapFilename;
 
    UPROPERTY()
    FString ToolTip;
 
    UPROPERTY(Transient)
    uint32 NotifyBadParams:1;
 
protected:
 
    UPROPERTY()
    TArray<FVector> Vertices;
 
    UPROPERTY()
    TArray<struct FBuilderPoly> Polys;
 
    UPROPERTY()
    FName Layer;
 
    UPROPERTY()
    uint32 MergeCoplanars:1;
 
public:
 
    // @ todo document all below
    virtual void BeginBrush( bool InMergeCoplanars, FName InLayer ) {}
    virtual bool EndBrush( UWorld* InWorld, ABrush* InBrush ) { return false; }
    virtual int32 GetVertexCount() const { return 0; }
    virtual FVector GetVertex( int32 i ) const { return FVector::ZeroVector; }
    virtual int32 GetPolyCount() const { return 0; }
    virtual bool BadParameters( const FText& msg ) { return false; }
    virtual int32 Vertexv( FVector v ) { return 0; }
    virtual int32 Vertex3f( float X, float Y, float Z ) { return 0; }
    virtual void Poly3i( int32 Direction, int32 i, int32 j, int32 k, FName ItemName = NAME_None, bool bIsTwoSidedNonSolid = false ) {}
    virtual void Poly4i( int32 Direction, int32 i, int32 j, int32 k, int32 l, FName ItemName = NAME_None, bool bIsTwoSidedNonSolid = false ) {}
    virtual void PolyBegin( int32 Direction, FName ItemName = NAME_None ) {}
    virtual void Polyi( int32 i ) {}
    virtual void PolyEnd() {}
 
    virtual bool Build( UWorld* InWorld, ABrush* InBrush = nullptr )
    {
        return false;
    }
};