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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 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_PHYSICS_NX_CLOTHMESHDESC
#define PX_PHYSICS_NX_CLOTHMESHDESC
/** \addtogroup cooking
@{
*/
#include "common/PxPhysXCommonConfig.h"
#include "geometry/PxSimpleTriangleMesh.h"
#if !PX_DOXYGEN
namespace physx
{
#endif
/**
\brief Descriptor class for a cloth mesh.
\deprecated The PhysX cloth feature has been deprecated in PhysX version 3.4.1
@see PxCooking.cookClothMesh()
*/
class PX_DEPRECATED PxClothMeshDesc
{
public:
/**
\brief Pointer to first vertex point.
*/
PxBoundedData points;
/**
\brief Determines whether particle is simulated or static.
A positive value denotes that the particle is being simulated, zero denotes a static particle.
This data is used to generate tether and zero stretch constraints.
If invMasses.data is null, all particles are assumed to be simulated
and no tether and zero stretch constraints are being generated.
*/
PxBoundedData invMasses;
/**
\brief Pointer to the first triangle.
These are triplets of 0 based indices:
vert0 vert1 vert2
vert0 vert1 vert2
vert0 vert1 vert2
...
where vert* is either a 32 or 16 bit unsigned integer. There are a total of 3*count indices.
The stride determines the byte offset to the next index triple.
This is declared as a void pointer because it is actually either an PxU16 or a PxU32 pointer.
*/
PxBoundedData triangles;
/**
\brief Pointer to the first quad.
These are quadruples of 0 based indices:
vert0 vert1 vert2 vert3
vert0 vert1 vert2 vert3
vert0 vert1 vert2 vert3
...
where vert* is either a 32 or 16 bit unsigned integer. There are a total of 4*count indices.
The stride determines the byte offset to the next index quadruple.
This is declared as a void pointer because it is actually either an PxU16 or a PxU32 pointer.
*/
PxBoundedData quads;
/**
\brief Flags bits, combined from values of the enum ::PxMeshFlag
*/
PxMeshFlags flags;
/**
\brief constructor sets to default.
*/
PX_INLINE PxClothMeshDesc();
/**
\brief (re)sets the structure to the default.
*/
PX_INLINE void setToDefault();
/**
\brief Returns true if the descriptor is valid.
\return True if the current settings are valid
*/
PX_INLINE bool isValid() const;
};
PX_INLINE PxClothMeshDesc::PxClothMeshDesc() //constructor sets to default
{
}
PX_INLINE void PxClothMeshDesc::setToDefault()
{
*this = PxClothMeshDesc();
}
PX_INLINE bool PxClothMeshDesc::isValid() const
{
if(points.count < 3) //at least 1 trig's worth of points
return false;
if(points.count > 0xffff && flags & PxMeshFlag::e16_BIT_INDICES)
return false;
if(!points.data)
return false;
if(points.stride < sizeof(PxVec3)) //should be at least one point's worth of data
return false;
if(invMasses.data && invMasses.stride < sizeof(float))
return false;
if(invMasses.data && invMasses.count != points.count)
return false;
if (!triangles.count && !quads.count) // no support for non-indexed mesh
return false;
if (triangles.count && !triangles.data)
return false;
if (quads.count && !quads.data)
return false;
PxU32 indexSize = (flags & PxMeshFlag::e16_BIT_INDICES) ? sizeof(PxU16) : sizeof(PxU32);
if(triangles.count && triangles.stride < indexSize*3)
return false;
if(quads.count && quads.stride < indexSize*4)
return false;
return true;
}
#if !PX_DOXYGEN
} // namespace physx
#endif
/** @} */
#endif
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