CubicSurfaceExtractorWithNormals.h

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Copyright (c) 2005-2009 David Williams

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#ifndef __PolyVox_CubicSurfaceExtractorWithNormals_H__
#define __PolyVox_CubicSurfaceExtractorWithNormals_H__

#include "PolyVoxCore/DefaultIsQuadNeeded.h"

#include "PolyVoxCore/Array.h"
#include "PolyVoxCore/BaseVolume.h" //For wrap modes... should move these?
#include "PolyVoxCore/SurfaceMesh.h"

namespace PolyVox
{
    template<typename VolumeType, typename IsQuadNeeded = DefaultIsQuadNeeded<typename VolumeType::VoxelType> >
    class CubicSurfaceExtractorWithNormals
    {
    public:
        // This is a bit ugly - it seems that the C++03 syntax is different from the C++11 syntax? See this thread: http://stackoverflow.com/questions/6076015/typename-outside-of-template
        // Long term we should probably come back to this and if the #ifdef is still needed then maybe it should check for C++11 mode instead of MSVC? 
#if defined(_MSC_VER)
        CubicSurfaceExtractorWithNormals(VolumeType* volData, Region region, SurfaceMesh<PositionMaterialNormal>* result, WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = VolumeType::VoxelType(), IsQuadNeeded isQuadNeeded = IsQuadNeeded());
#else
        CubicSurfaceExtractorWithNormals(VolumeType* volData, Region region, SurfaceMesh<PositionMaterialNormal>* result, WrapMode eWrapMode = WrapModes::Border, typename VolumeType::VoxelType tBorderValue = typename VolumeType::VoxelType(), IsQuadNeeded isQuadNeeded = IsQuadNeeded());
#endif

        void execute();

    private:
        IsQuadNeeded m_funcIsQuadNeededCallback;

        //The volume data and a sampler to access it.
        VolumeType* m_volData;
        typename VolumeType::Sampler m_sampVolume;

        //The surface patch we are currently filling.
        SurfaceMesh<PositionMaterialNormal>* m_meshCurrent;

        //Information about the region we are currently processing
        Region m_regSizeInVoxels;

        //The wrap mode
        WrapMode m_eWrapMode;
        typename VolumeType::VoxelType m_tBorderValue;
    };
}

#include "PolyVoxCore/CubicSurfaceExtractorWithNormals.inl"

#endif