GeometryCollectionSection.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
#include "Containers/Set.h"
 
class HHitProxy;
struct FManagedArrayCollection;
 
struct FGeometryCollectionSection
{
    FGeometryCollectionSection()
        : MaterialID(0)
        , FirstIndex(0)
        , NumTriangles(0)
        , MinVertexIndex(0)
        , MaxVertexIndex(0)
        , HitProxy(NULL)
    { } 
    
    friend FArchive& operator<<(FArchive& Ar, FGeometryCollectionSection& Section)
    {
        return Ar << Section.MaterialID << Section.FirstIndex << Section.NumTriangles << Section.MinVertexIndex << Section.MaxVertexIndex;
    }
 
    bool Serialize(FArchive& Ar)
    {
        Ar << *this;
        return true;
    }
 
    static CHAOS_API TArray<FGeometryCollectionSection>
    BuildMeshSections(const FManagedArrayCollection& InCollection, const TArray<FIntVector>& InputIndices, const TArray<int32>& BaseMeshOriginalIndicesIndex, TArray<FIntVector>& RetIndices);
 
    int32 MaterialID;
 
    int32 FirstIndex;
    int32 NumTriangles;
    int32 MinVertexIndex;
    int32 MaxVertexIndex;
 
    HHitProxy* HitProxy;
 
    static const int InvalidIndex = -1;
};