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// 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) 2008-2017 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 NP_DISTANCEJOINTCONSTRAINT_H
#define NP_DISTANCEJOINTCONSTRAINT_H
#include "PsUserAllocated.h"
#include "ExtJoint.h"
#include "PxDistanceJoint.h"
#include "PxTolerancesScale.h"
#include "CmUtils.h"
namespace physx
{
struct PxDistanceJointGeneratedValues;
namespace Ext
{
struct DistanceJointData : public JointData
{
//= ATTENTION! =====================================================================================
// Changing the data layout of this class breaks the binary serialization format. See comments for
// PX_BINARY_SERIAL_VERSION. If a modification is required, please adjust the getBinaryMetaData
// function. If the modification is made on a custom branch, please change PX_BINARY_SERIAL_VERSION
// accordingly.
//==================================================================================================
PxReal minDistance;
PxReal maxDistance;
PxReal tolerance;
PxReal stiffness;
PxReal damping;
PxDistanceJointFlags jointFlags;
};
typedef Joint<PxDistanceJoint, PxDistanceJointGeneratedValues> DistanceJointT;
class DistanceJoint : public DistanceJointT
{
//= ATTENTION! =====================================================================================
// Changing the data layout of this class breaks the binary serialization format. See comments for
// PX_BINARY_SERIAL_VERSION. If a modification is required, please adjust the getBinaryMetaData
// function. If the modification is made on a custom branch, please change PX_BINARY_SERIAL_VERSION
// accordingly.
//==================================================================================================
public:
// PX_SERIALIZATION
DistanceJoint(PxBaseFlags baseFlags) : DistanceJointT(baseFlags) {}
virtual void exportExtraData(PxSerializationContext& context);
void importExtraData(PxDeserializationContext& context);
void resolveReferences(PxDeserializationContext& context);
static DistanceJoint* createObject(PxU8*& address, PxDeserializationContext& context);
static void getBinaryMetaData(PxOutputStream& stream);
//~PX_SERIALIZATION
virtual ~DistanceJoint()
{
if (getBaseFlags()&PxBaseFlag::eOWNS_MEMORY)
PX_FREE(mData);
}
DistanceJoint(const PxTolerancesScale& scale,
PxRigidActor* actor0, const PxTransform& localFrame0,
PxRigidActor* actor1, const PxTransform& localFrame1)
: DistanceJointT(PxJointConcreteType::eDISTANCE, PxBaseFlag::eOWNS_MEMORY | PxBaseFlag::eIS_RELEASABLE)
{
DistanceJointData* data = reinterpret_cast<DistanceJointData*>(PX_ALLOC(sizeof(DistanceJointData), "DistanceJointData"));
Cm::markSerializedMem(data, sizeof(DistanceJointData));
mData = data;
initCommonData(*data, actor0, localFrame0, actor1, localFrame1);
data->stiffness = 0;
data->damping = 0;
data->minDistance = 0;
data->maxDistance = 0;
data->tolerance = 0.025f * scale.length;
data->jointFlags = PxDistanceJointFlag::eMAX_DISTANCE_ENABLED;
}
PxReal getDistance() const;
void setMinDistance(PxReal distance);
PxReal getMinDistance() const;
void setMaxDistance(PxReal distance);
PxReal getMaxDistance() const;
void setTolerance(PxReal tolerance);
PxReal getTolerance() const;
void setStiffness(PxReal spring);
PxReal getStiffness() const;
void setDamping(PxReal damping);
PxReal getDamping() const;
PxDistanceJointFlags getDistanceJointFlags(void) const;
void setDistanceJointFlags(PxDistanceJointFlags flags);
void setDistanceJointFlag(PxDistanceJointFlag::Enum flag, bool value);
bool attach(PxPhysics &physics, PxRigidActor* actor0, PxRigidActor* actor1);
static const PxConstraintShaderTable& getConstraintShaderTable() { return sShaders; }
virtual PxConstraintSolverPrep getPrep()const {return sShaders.solverPrep;}
private:
static PxConstraintShaderTable sShaders;
PX_FORCE_INLINE DistanceJointData& data() const
{
return *static_cast<DistanceJointData*>(mData);
}
};
} // namespace Ext
namespace Ext
{
extern "C" PxU32 DistanceJointSolverPrep(Px1DConstraint* constraints,
PxVec3& body0WorldOffset,
PxU32 maxConstraints,
PxConstraintInvMassScale& invMassScale,
const void* constantBlock,
const PxTransform& bA2w,
const PxTransform& bB2w);
// global function to share the joint shaders with API capture
extern "C" const PxConstraintShaderTable* GetDistanceJointShaderTable();
}
}
#endif
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