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#ifndef PX_META_DATA_PROPERTY_VISITOR_H
#define PX_META_DATA_PROPERTY_VISITOR_H

#include <stdio.h>
#include "PvdMetaDataExtensions.h"
namespace physx
{

namespace Vd
{
	
//PVD only deals with read-only properties, indexed, and properties like this by in large.
//so we have a filter that expands properties to a level where we can get to them and expands them into
//named functions that make more sense and are easier to read than operator()
template<typename TOperatorType>
struct PvdPropertyFilter
{

private:
	PvdPropertyFilter& operator=(const PvdPropertyFilter&);

public:

	TOperatorType		mOperator;
	PxU32*				mKeyOverride;
	PxU32*				mOffsetOverride;

	PvdPropertyFilter( TOperatorType& inOperator ) 
				: mOperator( inOperator )
				, mKeyOverride( 0 )
				, mOffsetOverride( 0 ) {}

	PvdPropertyFilter( TOperatorType& inOperator, PxU32* inKeyOverride, PxU32* inOffsetOverride ) 
				: mOperator( inOperator )
				, mKeyOverride( inKeyOverride )
				, mOffsetOverride( inOffsetOverride ) {}

	PvdPropertyFilter( const PvdPropertyFilter& inOther ) : mOperator( inOther.mOperator ), mKeyOverride( inOther.mKeyOverride ), mOffsetOverride( inOther.mOffsetOverride ) {}

	template<PxU32 TKey, typename TAccessorType>
	void dispatchAccessor( PxU32 inKey, const TAccessorType& inAccessor, bool, bool, bool)
	{
		mOperator.simpleProperty(inKey, inAccessor );
	}

	template<PxU32 TKey, typename TAccessorType>
	void dispatchAccessor( PxU32 inKey, const TAccessorType& inAccessor, bool, bool, const PxU32ToName* inConversions )
	{
		mOperator.flagsProperty(inKey, inAccessor, inConversions );
	}
	
	template<PxU32 TKey, typename TAccessorType>
	void dispatchAccessor( PxU32 inKey, const TAccessorType& inAccessor, const PxU32ToName* inConversions, bool, bool )
	{
		mOperator.enumProperty( inKey, inAccessor, inConversions );
	}
	
	template<PxU32 TKey, typename TAccessorType, typename TInfoType>
	void dispatchAccessor(PxU32, const TAccessorType& inAccessor, bool, const TInfoType* inInfo, bool )
	{
		PxU32 rangeStart = TKey;
		PxU32& propIdx = mKeyOverride == NULL ? rangeStart : *mKeyOverride;
		mOperator.complexProperty( &propIdx, inAccessor, *inInfo );
	}

	PxU32 getKeyValue( PxU32 inPropertyKey )
	{
		PxU32 retval = inPropertyKey;
		if ( mKeyOverride )
		{
			retval = *mKeyOverride;
			(*mKeyOverride)++;
		}
		return retval;
	}

	
	void setupValueStructOffset( const ValueStructOffsetRecord&, bool, PxU32* ) {}
	void setupValueStructOffset( const ValueStructOffsetRecord& inAccessor, PxU32 inOffset, PxU32* inAdditionalOffset ) 
	{
		//This allows us to nest properties correctly.
		if ( inAdditionalOffset ) inOffset += *inAdditionalOffset;
		inAccessor.setupValueStructOffset( inOffset );
	}
	
	template<PxU32 TKey, typename TAccessorType>
	void handleAccessor( PxU32 inKey, const TAccessorType& inAccessor )
	{
		typedef typename TAccessorType::prop_type TPropertyType;
		dispatchAccessor<TKey>(	inKey
								, inAccessor
								, PxEnumTraits<TPropertyType>().NameConversion
								, PxClassInfoTraits<TPropertyType>().getInfo()
								, IsFlagsType<TPropertyType>().FlagData );
	}


	template<PxU32 TKey, typename TAccessorType>
	void handleAccessor( const TAccessorType& inAccessor )
	{
		setupValueStructOffset( inAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, mOffsetOverride );
		handleAccessor<TKey>( getKeyValue( TKey ), inAccessor );
	}

	template<PxU32 TKey, typename TObjType, typename TPropertyType>
	void operator()( const PxReadOnlyPropertyInfo<TKey,TObjType,TPropertyType>& inProperty, PxU32 )
	{
		PxPvdReadOnlyPropertyAccessor< TKey, TObjType, TPropertyType > theAccessor( inProperty );
		mOperator.pushName( inProperty.mName );
		handleAccessor<TKey>( theAccessor );
		mOperator.popName();
	}

	//We don't handle unbounded indexed properties
	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TPropertyType, typename TValueConversionType, typename TInfoType>
	void indexedProperty( PxU32, const PxIndexedPropertyInfo<TKey, TObjType, TIndexType, TPropertyType >&, bool, TValueConversionType, const TInfoType& ) {}


	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TPropertyType>
	void indexedProperty( PxU32, const PxIndexedPropertyInfo<TKey, TObjType, TIndexType, TPropertyType >& inProp, const PxU32ToName* theConversions, const PxUnknownClassInfo& )
	{
		mOperator.pushName( inProp.mName );
		PxU32 rangeStart = TKey;
		PxU32& propIdx = mKeyOverride == NULL ? rangeStart : *mKeyOverride;
		PxU32 theOffset = 0; 
		if ( mOffsetOverride ) theOffset = *mOffsetOverride;
		
		while( theConversions->mName != NULL )
		{
			mOperator.pushBracketedName( theConversions->mName );
			PxPvdIndexedPropertyAccessor<TKey, TObjType, TIndexType, TPropertyType> theAccessor( inProp, theConversions->mValue );
			setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
			handleAccessor<TKey>( propIdx, theAccessor );
			mOperator.popName();
			++propIdx;
			++theConversions;
			theOffset += sizeof( TPropertyType );
		}
		mOperator.popName();
	}

	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TPropertyType, typename TInfoType>
	void indexedProperty( PxU32, const PxIndexedPropertyInfo<TKey, TObjType, TIndexType, TPropertyType >& inProp, const PxU32ToName* theConversions, const TInfoType& inInfo )
	{
		//ouch, not nice.  Indexed complex property.
		mOperator.pushName( inProp.mName );
		PxU32 propIdx = TKey;
		PxU32 theOffset = 0; 
		if ( mOffsetOverride ) theOffset = *mOffsetOverride;

		while( theConversions->mName != NULL )
		{
			mOperator.pushBracketedName( theConversions->mName );
			PxPvdIndexedPropertyAccessor<TKey, TObjType, TIndexType, TPropertyType> theAccessor( inProp, theConversions->mValue );
			setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
			PX_ASSERT( theAccessor.mHasValidOffset );			
			mOperator.complexProperty( &propIdx, theAccessor, inInfo );
			mOperator.popName();
			++theConversions;
			theOffset += sizeof( TPropertyType );
		}
		mOperator.popName();
	}
	
	static char* myStrcat(const char* a,const char * b)
	{
		size_t len = strlen(a)+strlen(b);
		char* result = new char[len+1];

		strcpy(result,a);
		strcat(result,b);
		result[len] = 0;

		return result;
	}

	template<PxU32 TKey, typename TObjType, typename TPropertyType, typename TInfoType>
	void handleBufferCollectionProperty(PxU32 , const PxBufferCollectionPropertyInfo<TKey, TObjType, TPropertyType >& inProp, const TInfoType& inInfo)
	{
		//append 'Collection' to buffer properties
		char* name = myStrcat(inProp.mName, "Collection");		
		
		mOperator.pushName(name);
		PxU32 propIdx = TKey;
		PxU32 theOffset = 0; 
		
		PxBufferCollectionPropertyAccessor<TKey, TObjType, TPropertyType> theAccessor( inProp, inProp.mName );
		setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
			
		mOperator.bufferCollectionProperty( &propIdx, theAccessor, inInfo );	
		mOperator.popName();
		delete []name;
	}

	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TPropertyType>
	void operator()( const PxIndexedPropertyInfo<TKey, TObjType, TIndexType, TPropertyType >& inProp, PxU32 inIndex ) 
	{
		indexedProperty( inIndex, inProp, IndexerToNameMap<TKey,TIndexType>().Converter.NameConversion
							, PxClassInfoTraits<TPropertyType>().Info );
	}
	
	template<PxU32 TKey, typename TObjType, typename TPropertyType, typename TIndexType, typename TInfoType>
	void handleExtendedIndexProperty(PxU32 inIndex, const PxExtendedIndexedPropertyInfo<TKey, TObjType, TIndexType, TPropertyType >& inProp, const TInfoType& inInfo)
	{
		mOperator.pushName(inProp.mName);
		PxU32 propIdx = TKey;
		PxU32 theOffset = 0; 
		
		PxPvdExtendedIndexedPropertyAccessor<TKey, TObjType, TIndexType, TPropertyType> theAccessor( inProp, inIndex );
		setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
			
		mOperator.extendedIndexedProperty( &propIdx, theAccessor, inInfo );	
		mOperator.popName();
	}

	template<PxU32 TKey, typename TObjType, typename TPropertyType, typename TIndexType, typename TInfoType>
	void handlePxFixedSizeLookupTableProperty( const PxU32 inIndex, const PxFixedSizeLookupTablePropertyInfo<TKey, TObjType, TIndexType, TPropertyType >& inProp, const TInfoType& inInfo) 
	{
		mOperator.pushName(inProp.mName);
		
		PxU32 propIdx = TKey;
		PxU32 theOffset = 0; 
		
		PxPvdFixedSizeLookupTablePropertyAccessor<TKey, TObjType, TIndexType, TPropertyType> theAccessor( inProp, inIndex );
		setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
			
		mOperator.PxFixedSizeLookupTableProperty( &propIdx, theAccessor, inInfo );	

		mOperator.popName();
	}

    template<PxU32 TKey, typename TObjType, typename TIndexType, typename TPropertyType>
	void operator()( const PxExtendedIndexedPropertyInfo<TKey, TObjType, TIndexType, TPropertyType >& inProp, PxU32 inIndex ) 
	{
		handleExtendedIndexProperty( inIndex, inProp, PxClassInfoTraits<TPropertyType>().Info );
	}

    template<PxU32 TKey, typename TObjType, typename TIndexType, typename TPropertyType>
	void operator()( const PxFixedSizeLookupTablePropertyInfo<TKey, TObjType, TIndexType, TPropertyType >& inProp, PxU32 inIndex) 
	{
		handlePxFixedSizeLookupTableProperty(inIndex, inProp, PxClassInfoTraits<TPropertyType>().Info);
	}
	
	//We don't handle unbounded indexed properties
	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TIndex2Type, typename TPropertyType, typename TNameConv, typename TNameConv2 >
	void dualIndexedProperty( PxU32 idx, const PxDualIndexedPropertyInfo<TKey, TObjType, TIndexType, TIndex2Type, TPropertyType >&, TNameConv, TNameConv2 ) { PX_UNUSED(idx); }

	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TIndex2Type, typename TPropertyType>
	void dualIndexedProperty( PxU32 /*idx*/, const PxDualIndexedPropertyInfo<TKey, TObjType, TIndexType, TIndex2Type, TPropertyType >& inProp, const PxU32ToName* c1, const PxU32ToName* c2 )
	{
		mOperator.pushName( inProp.mName );
		PxU32 rangeStart = TKey;
		PxU32& propIdx = mKeyOverride == NULL ? rangeStart : *mKeyOverride;
		PxU32 theOffset = 0; 
		if ( mOffsetOverride ) theOffset = *mOffsetOverride;
		while( c1->mName != NULL )
		{
			mOperator.pushBracketedName( c1->mName );
			const PxU32ToName* c2Idx = c2;
			while( c2Idx->mName != NULL )
			{
				mOperator.pushBracketedName( c2Idx->mName );
				PxPvdDualIndexedPropertyAccessor<TKey, TObjType, TIndexType, TIndex2Type, TPropertyType> theAccessor( inProp, c1->mValue, c2Idx->mValue );
				setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
				handleAccessor<TKey>( propIdx, theAccessor );
				mOperator.popName();
				++propIdx;
				++c2Idx;
				theOffset += sizeof( TPropertyType );
			}
			mOperator.popName();
			++c1;
		}
		mOperator.popName();
	}

	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TIndex2Type, typename TPropertyType>
	void extendedDualIndexedProperty( PxU32 /*idx*/, const PxExtendedDualIndexedPropertyInfo<TKey, TObjType, TIndexType, TIndex2Type, TPropertyType >& inProp, PxU32 id0Count, PxU32 id1Count )
	{
		mOperator.pushName( inProp.mName );
		PxU32 rangeStart = TKey;
		PxU32& propIdx = mKeyOverride == NULL ? rangeStart : *mKeyOverride;
		PxU32 theOffset = 0; 
		if ( mOffsetOverride ) theOffset = *mOffsetOverride;
		for(PxU32 i = 0; i < id0Count; ++i)
		{
			char buffer1[32] = { 0 };
		    sprintf( buffer1, "eId1_%u", i );

			mOperator.pushBracketedName( buffer1 );
			for(PxU32 j = 0; j < id1Count; ++j)
			{
				char buffer2[32] = { 0 };
				sprintf( buffer2, "eId2_%u", j );

				mOperator.pushBracketedName( buffer2 );
				PxPvdExtendedDualIndexedPropertyAccessor<TKey, TObjType, TIndexType, TIndex2Type, TPropertyType> theAccessor( inProp, i, j );
				setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
				handleAccessor<TKey>( propIdx, theAccessor );
				mOperator.popName();
				++propIdx;
				theOffset += sizeof( TPropertyType );
			}
			mOperator.popName();
		}
		mOperator.popName();
	}

	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TIndex2Type, typename TPropertyType>
	void operator()( const PxDualIndexedPropertyInfo<TKey, TObjType, TIndexType, TIndex2Type, TPropertyType >& inProp, PxU32 idx ) 
	{
		dualIndexedProperty( idx, inProp
								, IndexerToNameMap<TKey,TIndexType>().Converter.NameConversion
								, IndexerToNameMap<TKey,TIndex2Type>().Converter.NameConversion );
	}
	
	template<PxU32 TKey, typename TObjType, typename TIndexType, typename TIndex2Type, typename TPropertyType>
	void operator()( const PxExtendedDualIndexedPropertyInfo<TKey, TObjType, TIndexType, TIndex2Type, TPropertyType >& inProp, PxU32 idx ) 
	{
		extendedDualIndexedProperty( idx, inProp, inProp.mId0Count, inProp.mId1Count );
	}

	template<PxU32 TKey, typename TObjType, typename TPropertyType>
	void operator()( const PxRangePropertyInfo<TKey, TObjType, TPropertyType>& inProperty, PxU32 /*idx*/)
	{
		PxU32 rangeStart = TKey;
		PxU32& propIdx = mKeyOverride == NULL ? rangeStart : *mKeyOverride;
		PxU32 theOffset = 0; 
		if ( mOffsetOverride ) theOffset = *mOffsetOverride;

		mOperator.pushName( inProperty.mName );
		mOperator.pushName( inProperty.mArg0Name );
		PxPvdRangePropertyAccessor<TKey, TObjType, TPropertyType> theAccessor( inProperty, true );
		setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
		handleAccessor<TKey>( propIdx, theAccessor );
		++propIdx;
		theOffset += sizeof( TPropertyType );
		mOperator.popName();
		mOperator.pushName( inProperty.mArg1Name );
		theAccessor.mFirstValue = false;
		setupValueStructOffset( theAccessor, PxPropertyToValueStructMemberMap<TKey>().Offset, &theOffset );
		handleAccessor<TKey>( propIdx, theAccessor );
		mOperator.popName();
		mOperator.popName();
	}

	template<PxU32 TKey, typename TObjType, typename TPropertyType>
	void operator()( const PxBufferCollectionPropertyInfo<TKey, TObjType, TPropertyType>& inProp, PxU32 count )
	{
		handleBufferCollectionProperty( count, inProp, PxClassInfoTraits<TPropertyType>().Info );
	}

	template<PxU32 TKey, typename TObjectType, typename TPropertyType, PxU32 TEnableFlag>
	void handleBuffer( const PxBufferPropertyInfo<TKey, TObjectType, TPropertyType, TEnableFlag>& inProp )
	{
		mOperator.handleBuffer( inProp );
	}
	
	template<PxU32 TKey, typename TObjectType, typename TPropertyType, PxU32 TEnableFlag>
	void operator()( const PxBufferPropertyInfo<TKey, TObjectType, TPropertyType, TEnableFlag>& inProp, PxU32 )
	{
		handleBuffer( inProp );
	}
	
	template<PxU32 TKey, typename TObjType>
	void operator()( const PxReadOnlyCollectionPropertyInfo<TKey, TObjType, PxU32>& prop, PxU32 ) 
	{
		mOperator.handleCollection( prop );
	}
	
	template<PxU32 TKey, typename TObjType>
	void operator()( const PxReadOnlyCollectionPropertyInfo<TKey, TObjType, PxReal>& prop, PxU32 ) 
	{
		mOperator.handleCollection( prop );
	}

	template<PxU32 TKey, typename TObjType, typename TPropertyType>
	void operator()( const PxWriteOnlyPropertyInfo<TKey,TObjType,TPropertyType>&, PxU32 ) {}

	template<PxU32 TKey, typename TObjType, typename TCollectionType>
	void operator()( const PxReadOnlyCollectionPropertyInfo<TKey, TObjType, TCollectionType>&, PxU32 ) {}

	template<PxU32 TKey, typename TObjType, typename TCollectionType, typename TFilterType>
	void operator()( const PxReadOnlyFilteredCollectionPropertyInfo<TKey, TObjType, TCollectionType, TFilterType >&, PxU32 ) {}


	//We don't deal with these property datatypes.
#define DEFINE_PVD_PROPERTY_NOP(datatype) \
	template<PxU32 TKey, typename TObjType> \
	void operator()( const PxReadOnlyPropertyInfo<TKey,TObjType,datatype>& inProperty, PxU32 ){PX_UNUSED(inProperty); }
	
	DEFINE_PVD_PROPERTY_NOP( const void* )
	DEFINE_PVD_PROPERTY_NOP( void* )
	DEFINE_PVD_PROPERTY_NOP( PxSimulationFilterCallback * )
	DEFINE_PVD_PROPERTY_NOP( physx::PxTaskManager * )
	DEFINE_PVD_PROPERTY_NOP( PxSimulationFilterShader * )
	DEFINE_PVD_PROPERTY_NOP( PxSimulationFilterShader)
	DEFINE_PVD_PROPERTY_NOP( PxContactModifyCallback * )
	DEFINE_PVD_PROPERTY_NOP( PxCCDContactModifyCallback * )
	DEFINE_PVD_PROPERTY_NOP( PxSimulationEventCallback * )
	DEFINE_PVD_PROPERTY_NOP( physx::PxCudaContextManager* )
	DEFINE_PVD_PROPERTY_NOP( physx::PxCpuDispatcher * )
	DEFINE_PVD_PROPERTY_NOP( PxRigidActor )
	DEFINE_PVD_PROPERTY_NOP( const PxRigidActor )
	DEFINE_PVD_PROPERTY_NOP( PxRigidActor& )
	DEFINE_PVD_PROPERTY_NOP( const PxRigidActor& )
	DEFINE_PVD_PROPERTY_NOP( PxScene* )
	DEFINE_PVD_PROPERTY_NOP( PxConstraint )
	DEFINE_PVD_PROPERTY_NOP( PxConstraint* )
	DEFINE_PVD_PROPERTY_NOP( PxConstraint& )
	DEFINE_PVD_PROPERTY_NOP( const PxConstraint& )
	DEFINE_PVD_PROPERTY_NOP( PxAggregate * )
	DEFINE_PVD_PROPERTY_NOP( PxArticulationBase& )
	DEFINE_PVD_PROPERTY_NOP( PxArticulation& )
	DEFINE_PVD_PROPERTY_NOP( PxArticulationReducedCoordinate&)
	DEFINE_PVD_PROPERTY_NOP( const PxArticulationLink * )
	DEFINE_PVD_PROPERTY_NOP( const PxRigidDynamic * )
	DEFINE_PVD_PROPERTY_NOP( const PxRigidStatic * )
	DEFINE_PVD_PROPERTY_NOP( PxArticulationJointBase * )
	DEFINE_PVD_PROPERTY_NOP( PxArticulationJointReducedCoordinate * )
	DEFINE_PVD_PROPERTY_NOP( PxArticulationJoint * )
	DEFINE_PVD_PROPERTY_NOP( PxBroadPhaseCallback * )
	DEFINE_PVD_PROPERTY_NOP( const PxBroadPhaseRegion * )
	DEFINE_PVD_PROPERTY_NOP( PxU32 * )

};

template<typename TOperator>
inline PvdPropertyFilter<TOperator> makePvdPropertyFilter( TOperator inOperator )
{
	return PvdPropertyFilter<TOperator>( inOperator );
}

template<typename TOperator>
inline PvdPropertyFilter<TOperator> makePvdPropertyFilter( TOperator inOperator, PxU32* inKey, PxU32* inOffset )
{
	return PvdPropertyFilter<TOperator>( inOperator, inKey, inOffset );
}

template<typename TOperator, typename TFuncType>
inline void visitWithPvdFilter( TOperator inOperator, TFuncType inFuncType )
{
	PX_UNUSED(inFuncType);
	TFuncType( makePvdPropertyFilter( inOperator ) );
}

template<typename TObjType, typename TOperator> 
inline void visitInstancePvdProperties( TOperator inOperator )
{
	visitInstanceProperties<TObjType>( makePvdPropertyFilter( inOperator ) );
}

template<typename TOperator>
struct PvdAllPropertyVisitor
{
	TOperator mOperator;
	PvdAllPropertyVisitor( TOperator op ) : mOperator( op ) {}
	template<typename TObjectType>
	bool operator()( const TObjectType* ) { visitInstancePvdProperties<TObjectType>( mOperator ); return false; }
};


template<typename TOperator>
struct PvdAllInfoVisitor
{
	TOperator mOperator;
	PvdAllInfoVisitor( TOperator op ) : mOperator( op ) {}
	template<typename TInfoType>
	void operator()( TInfoType inInfo ) 
	{ 
		inInfo.template visitType<bool>( PvdAllPropertyVisitor<TOperator>( mOperator ) );
		inInfo.visitBases( *this );
	}
};


template<typename TObjType, typename TOperator> 
inline void visitAllPvdProperties( TOperator inOperator )
{
	visitAllProperties<TObjType>( makePvdPropertyFilter( inOperator ) );
}



template<typename TOperator>
inline void visitRigidDynamicPerFrameProperties( TOperator inOperator )
{
	PvdPropertyFilter<TOperator> theFilter( inOperator );
	PxRigidDynamicGeneratedInfo theInfo;
	theFilter( theInfo.GlobalPose, 0 );
	theFilter( theInfo.LinearVelocity, 1 );
	theFilter( theInfo.AngularVelocity, 2 );
	theFilter( theInfo.IsSleeping, 3 );
}

template<typename TOperator>
inline void visitArticulationLinkPerFrameProperties( TOperator inOperator )
{
	PvdPropertyFilter<TOperator> theFilter( inOperator );
	PxArticulationLinkGeneratedInfo theInfo;
	theFilter( theInfo.GlobalPose, 0 );
	theFilter( theInfo.LinearVelocity, 1 );
	theFilter( theInfo.AngularVelocity, 2 );
}

}

}

#endif
