MRVoxelsConversionsByParts.h

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#pragma once
#include "MRMeshFwd.h"
#ifndef MRMESH_NO_OPENVDB
#include "MRExpected.h"
#include "MRPartMapping.h"
 
namespace MR
{
 
struct MergeVolumePartSettings
{
    using PreCutCallback = std::function<void( Mesh& mesh, float leftCutPosition, float rightCutPosition )>;
    PreCutCallback preCut = nullptr;
    using PostCutCallback = std::function<void( Mesh& )>;
    PostCutCallback postCut = nullptr;
    using PostMergeCallback = std::function<void( Mesh&, const PartMapping& )>;
    PostMergeCallback postMerge = nullptr;
    PartMapping mapping = {};
    Vector3f origin = {};
};
 
template <typename Volume>
VoidOrErrStr
mergeVolumePart( Mesh& mesh, std::vector<EdgePath>& cutContours, Volume&& volume, float leftCutPosition, float rightCutPosition,
                 const MergeVolumePartSettings& settings = {} );
 
template <typename Volume>
using VolumePartBuilder = std::function<Expected<Volume> ( int begin, int end, std::optional<Vector3i>& offset )>;
 
struct VolumeToMeshByPartsSettings
{
    size_t maxVolumePartMemoryUsage = 2 << 28; // 256 MiB
    size_t stripeOverlap = 4;
};
 
template <typename Volume>
Expected<Mesh>
volumeToMeshByParts( const VolumePartBuilder<Volume>& builder, const Vector3i& dimensions, const Vector3f& voxelSize,
                     const VolumeToMeshByPartsSettings& settings = {}, const MergeVolumePartSettings& mergeSettings = {} );
 
}
#endif