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#include "base/SRC_FIRST.hpp"
#include "indexer/feature_loader_base.hpp"
#include "indexer/feature_loader.hpp"
#include "indexer/feature_impl.hpp"
#include "indexer/old/feature_loader_101.hpp"
#include "defines.hpp"
#include "coding/byte_stream.hpp"
namespace feature
{
////////////////////////////////////////////////////////////////////////////////////////////
// SharedLoadInfo implementation.
////////////////////////////////////////////////////////////////////////////////////////////
SharedLoadInfo::SharedLoadInfo(FilesContainerR const & cont, DataHeader const & header)
: m_cont(cont), m_header(header)
{
CreateLoader();
}
SharedLoadInfo::~SharedLoadInfo()
{
delete m_pLoader;
}
SharedLoadInfo::ReaderT SharedLoadInfo::GetDataReader() const
{
return m_cont.GetReader(DATA_FILE_TAG);
}
SharedLoadInfo::ReaderT SharedLoadInfo::GetMetadataReader() const
{
return m_cont.GetReader(METADATA_FILE_TAG);
}
SharedLoadInfo::ReaderT SharedLoadInfo::GetMetadataIndexReader() const
{
return m_cont.GetReader(METADATA_INDEX_FILE_TAG);
}
SharedLoadInfo::ReaderT SharedLoadInfo::GetGeometryReader(int ind) const
{
return m_cont.GetReader(GetTagForIndex(GEOMETRY_FILE_TAG, ind));
}
SharedLoadInfo::ReaderT SharedLoadInfo::GetTrianglesReader(int ind) const
{
return m_cont.GetReader(GetTagForIndex(TRIANGLE_FILE_TAG, ind));
}
void SharedLoadInfo::CreateLoader()
{
if (m_header.GetFormat() == version::v1)
m_pLoader = new old_101::feature::LoaderImpl(*this);
else
m_pLoader = new LoaderCurrent(*this);
}
////////////////////////////////////////////////////////////////////////////////////////////
// LoaderBase implementation.
////////////////////////////////////////////////////////////////////////////////////////////
LoaderBase::LoaderBase(SharedLoadInfo const & info)
: m_Info(info), m_pF(0), m_Data(0)
{
}
void LoaderBase::Init(TBuffer data)
{
m_Data = data;
m_pF = 0;
m_CommonOffset = m_Header2Offset = 0;
ResetGeometry();
}
void LoaderBase::ResetGeometry()
{
m_ptsSimpMask = 0;
m_ptsOffsets.clear();
m_trgOffsets.clear();
}
uint32_t LoaderBase::CalcOffset(ArrayByteSource const & source) const
{
return static_cast<uint32_t>(source.PtrC() - DataPtr());
}
void LoaderBase::ReadOffsets(ArrayByteSource & src, uint8_t mask, offsets_t & offsets) const
{
ASSERT ( offsets.empty(), () );
ASSERT_GREATER ( mask, 0, () );
offsets.resize(m_Info.GetScalesCount(), s_InvalidOffset);
size_t ind = 0;
while (mask > 0)
{
if (mask & 0x01)
offsets[ind] = ReadVarUint<uint32_t>(src);
++ind;
mask = mask >> 1;
}
}
}
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