274 lines
6.1 KiB
C++
274 lines
6.1 KiB
C++
// This code contains NVIDIA Confidential Information and is disclosed to you
|
|
// under a form of NVIDIA software license agreement provided separately to you.
|
|
//
|
|
// Notice
|
|
// NVIDIA Corporation and its licensors retain all intellectual property and
|
|
// proprietary rights in and to this software and related documentation and
|
|
// any modifications thereto. Any use, reproduction, disclosure, or
|
|
// distribution of this software and related documentation without an express
|
|
// license agreement from NVIDIA Corporation is strictly prohibited.
|
|
//
|
|
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
|
|
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
|
|
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
|
|
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// Information and code furnished is believed to be accurate and reliable.
|
|
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
|
|
// information or for any infringement of patents or other rights of third parties that may
|
|
// result from its use. No license is granted by implication or otherwise under any patent
|
|
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
|
|
// This code supersedes and replaces all information previously supplied.
|
|
// NVIDIA Corporation products are not authorized for use as critical
|
|
// components in life support devices or systems without express written approval of
|
|
// NVIDIA Corporation.
|
|
//
|
|
// Copyright (c) 2008-2013 NVIDIA Corporation. All rights reserved.
|
|
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
|
|
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
|
|
|
|
|
|
#ifndef PX_CORE_UTILTY_TYPES_H
|
|
#define PX_CORE_UTILTY_TYPES_H
|
|
/** \addtogroup common
|
|
@{
|
|
*/
|
|
|
|
#include "foundation/PxAssert.h"
|
|
|
|
#ifndef PX_DOXYGEN
|
|
namespace physx
|
|
{
|
|
#endif
|
|
|
|
/**
|
|
* An array of pointers. Used for at least materials and shapes
|
|
* in the descriptor hierarchy.
|
|
*/
|
|
template<typename TDataType>
|
|
class PxPtrArray
|
|
{
|
|
PxU32 count;
|
|
TDataType*const* items;
|
|
TDataType* singleItem;
|
|
public:
|
|
|
|
PX_INLINE PxPtrArray()
|
|
: count ( 0 )
|
|
, items ( NULL )
|
|
, singleItem ( NULL )
|
|
{
|
|
}
|
|
PX_INLINE PxPtrArray( const PxPtrArray<TDataType>& inOther )
|
|
{
|
|
(*this) = inOther;
|
|
}
|
|
|
|
PX_INLINE PxPtrArray<TDataType>& operator=( const PxPtrArray<TDataType>& inOther )
|
|
{
|
|
//This is harder to get right than it would seem
|
|
//The problem is if you have a vector of these items
|
|
//and they are being copied around. Then the pointer to
|
|
//a previous item's single item is probably bad. Thus
|
|
//you need to reconstruct the single item chain.
|
|
//CN
|
|
count = inOther.count;
|
|
if ( count == 1 )
|
|
{
|
|
singleItem = inOther.items[0];
|
|
items = &singleItem;
|
|
}
|
|
else
|
|
{
|
|
singleItem = NULL;
|
|
items = inOther.items;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
/**
|
|
* set the contents to be a list of ptr-to-ptr-to-items.
|
|
*/
|
|
PX_INLINE void set(TDataType*const* items_, PxU32 count_)
|
|
{
|
|
items = items_;
|
|
count = count_;
|
|
}
|
|
|
|
/**
|
|
\brief set a single item as the content of the reference array
|
|
*/
|
|
PX_INLINE void setSingle(TDataType* item_)
|
|
{
|
|
singleItem = item_;
|
|
items = &singleItem;
|
|
count = 1;
|
|
}
|
|
|
|
PX_INLINE bool isValid() const
|
|
{
|
|
if ( count )
|
|
return items != NULL;
|
|
return items == NULL;
|
|
}
|
|
|
|
PX_INLINE PxU32 getCount() const { return count; }
|
|
PX_INLINE TDataType*const* getItems() const { return items; }
|
|
|
|
PX_INLINE TDataType* operator[]( PxU32 idx ) const { return items[idx]; }
|
|
};
|
|
|
|
struct PxStridedData
|
|
{
|
|
/**
|
|
\brief The offset in bytes between consecutive samples in the data.
|
|
|
|
<b>Default:</b> 0
|
|
*/
|
|
PxU32 stride;
|
|
const void* data;
|
|
|
|
PxStridedData() : stride( 0 ), data( NULL ) {}
|
|
|
|
template<typename TDataType>
|
|
PX_INLINE const TDataType& at( PxU32 idx ) const
|
|
{
|
|
PxU32 theStride( stride );
|
|
if ( theStride == 0 )
|
|
theStride = sizeof( TDataType );
|
|
PxU32 offset( theStride * idx );
|
|
return *(reinterpret_cast<const TDataType*>( reinterpret_cast< const PxU8* >( data ) + offset ));
|
|
}
|
|
};
|
|
|
|
template<typename TDataType>
|
|
struct PxTypedStridedData
|
|
{
|
|
PxU32 stride;
|
|
const TDataType* data;
|
|
|
|
PxTypedStridedData()
|
|
: stride( 0 )
|
|
, data( NULL )
|
|
{
|
|
}
|
|
|
|
};
|
|
|
|
struct PxBoundedData : public PxStridedData
|
|
{
|
|
PxU32 count;
|
|
PxBoundedData() : count( 0 ) {}
|
|
};
|
|
|
|
template<PxU8 TNumBytes>
|
|
struct PxPadding
|
|
{
|
|
PxU8 mPadding[TNumBytes];
|
|
PxPadding()
|
|
{
|
|
for ( PxU8 idx =0; idx < TNumBytes; ++idx )
|
|
mPadding[idx] = 0;
|
|
}
|
|
};
|
|
|
|
|
|
template <PxU32 NUM_ELEMENTS> class PxFixedSizeLookupTable
|
|
{
|
|
public:
|
|
|
|
PxFixedSizeLookupTable()
|
|
: mNumDataPairs(0)
|
|
{
|
|
}
|
|
|
|
PxFixedSizeLookupTable(const PxReal* dataPairs, const PxU32 numDataPairs)
|
|
{
|
|
memcpy(mDataPairs,dataPairs,sizeof(PxReal)*2*numDataPairs);
|
|
mNumDataPairs=numDataPairs;
|
|
}
|
|
|
|
PxFixedSizeLookupTable(const PxFixedSizeLookupTable& src)
|
|
{
|
|
memcpy(mDataPairs,src.mDataPairs,sizeof(PxReal)*2*src.mNumDataPairs);
|
|
mNumDataPairs=src.mNumDataPairs;
|
|
}
|
|
|
|
~PxFixedSizeLookupTable()
|
|
{
|
|
}
|
|
|
|
PxFixedSizeLookupTable& operator=(const PxFixedSizeLookupTable& src)
|
|
{
|
|
memcpy(mDataPairs,src.mDataPairs,sizeof(PxReal)*2*src.mNumDataPairs);
|
|
mNumDataPairs=src.mNumDataPairs;
|
|
return *this;
|
|
}
|
|
|
|
PX_FORCE_INLINE void addPair(const PxReal x, const PxReal y)
|
|
{
|
|
PX_ASSERT(mNumDataPairs<NUM_ELEMENTS);
|
|
mDataPairs[2*mNumDataPairs+0]=x;
|
|
mDataPairs[2*mNumDataPairs+1]=y;
|
|
mNumDataPairs++;
|
|
}
|
|
|
|
PX_FORCE_INLINE PxReal getYVal(const PxReal x) const
|
|
{
|
|
if(0==mNumDataPairs)
|
|
{
|
|
PX_ASSERT(false);
|
|
return 0;
|
|
}
|
|
|
|
if(1==mNumDataPairs || x<getX(0))
|
|
{
|
|
return getY(0);
|
|
}
|
|
|
|
PxReal x0=getX(0);
|
|
PxReal y0=getY(0);
|
|
|
|
for(PxU32 i=1;i<mNumDataPairs;i++)
|
|
{
|
|
const PxReal x1=getX(i);
|
|
const PxReal y1=getY(i);
|
|
|
|
if((x>=x0)&&(x<x1))
|
|
{
|
|
return (y0+(y1-y0)*(x-x0)/(x1-x0));
|
|
}
|
|
|
|
x0=x1;
|
|
y0=y1;
|
|
}
|
|
|
|
PX_ASSERT(x>=getX(mNumDataPairs-1));
|
|
return getY(mNumDataPairs-1);
|
|
}
|
|
|
|
PxU32 getNumDataPairs() const {return mNumDataPairs;}
|
|
|
|
private:
|
|
|
|
PxReal mDataPairs[2*NUM_ELEMENTS];
|
|
PxU32 mNumDataPairs;
|
|
PxU32 mPad[3];
|
|
|
|
PX_FORCE_INLINE PxReal getX(const PxU32 i) const
|
|
{
|
|
return mDataPairs[2*i];
|
|
}
|
|
PX_FORCE_INLINE PxReal getY(const PxU32 i) const
|
|
{
|
|
return mDataPairs[2*i+1];
|
|
}
|
|
};
|
|
|
|
#ifndef PX_DOXYGEN
|
|
} // namespace physx
|
|
#endif
|
|
|
|
/** @} */
|
|
#endif
|