MeshTranslator.h

#pragma once
#include "AL/usdmaya/fileio/translators/DagNodeTranslator.h"

#include "maya/MObject.h"

#include "pxr/usd/usd/stage.h"

namespace AL {
namespace usdmaya {
namespace fileio {
namespace translators {

//----------------------------------------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------------------------------------
class MeshTranslator
  : public DagNodeTranslator
{
public:

  static MStatus registerType();

  MObject createNode(const UsdPrim& from, MObject parent, const char* nodeType, const ImporterParams& params) override;

  static MStatus copyAttributes(const MObject& from, UsdPrim& to, const ExporterParams& params);

  static UsdPrim exportObject(UsdStageRefPtr stage, MDagPath mayaPath, const SdfPath& usdPath, const ExporterParams& params);

  bool attributeHandled(const UsdAttribute& usdAttr) override;
};

void zipUVs(const float* u, const float* v, float* uv, const size_t count);
void unzipUVs(const float* const uv, float* const u, float* const v, const size_t count);
void convert3DArrayTo4DArray(const float* const input, float* const output, size_t count);
void convertFloatVec3ArrayToDoubleVec3Array(const float* const input, double* const output, size_t count);
void interleaveIndexedUvData(float* output, const float* u, const float* v, const int32_t* indices, const uint32_t numIndices);
bool isUvSetDataSparse(const int32_t* uvCounts, const uint32_t count);
void generateIncrementingIndices(MIntArray& indices, const size_t count);

//----------------------------------------------------------------------------------------------------------------------
} // translators
} // fileio
} // usdmaya
} // AL
//----------------------------------------------------------------------------------------------------------------------