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BlenderTesselator: Fix OffsetOf() macro

pull/187/head
acgessler 2013-11-22 19:54:47 +01:00
parent 857e50ba40
commit d080f92241
1 changed files with 5 additions and 2 deletions
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7
code/BlenderTessellator.cpp
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@ -374,10 +374,13 @@ void BlenderTessellatorP2T::ReferencePoints( std::vector< Blender::PointP2T >& p
// ------------------------------------------------------------------------------------------------
// Yes this is filthy... but we have no choice
#define OffsetOf( Class, Member ) ( reinterpret_cast< unsigned int >( &( reinterpret_cast< Class* >( NULL )->*( &Class::Member ) ) ) )
#define OffsetOf( Class, Member ) ( static_cast< unsigned int >( \
reinterpret_cast<uint8_t*>(&( reinterpret_cast< Class* >( NULL )->*( &Class::Member ) )) - \
static_cast<uint8_t*>(NULL) ) )
inline PointP2T& BlenderTessellatorP2T::GetActualPointStructure( p2t::Point& point ) const
{
int pointOffset = OffsetOf( PointP2T, point2D );
unsigned int pointOffset = OffsetOf( PointP2T, point2D );
PointP2T& pointStruct = *reinterpret_cast< PointP2T* >( reinterpret_cast< char* >( &point ) - pointOffset );
if ( pointStruct.magic != BLEND_TESS_MAGIC )
{