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XCEngine/engine/third_party/physx/source/simulationcontroller/src/ScArticulationTendonSim.cpp

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// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#include "ScArticulationTendonSim.h"
#include "ScArticulationTendonCore.h"
#include "ScArticulationAttachmentCore.h"
#include "ScArticulationTendonJointCore.h"
#include "ScArticulationJointCore.h"
#include "ScScene.h"
#include "DyArticulationTendon.h"
#include "ScArticulationSim.h"
using namespace physx;
Sc::ArticulationSpatialTendonSim::ArticulationSpatialTendonSim(ArticulationSpatialTendonCore& tendon, Scene& scene) :
mTendonCore(tendon), mScene(scene)
{
mTendonCore.setSim(this);
mLLTendon.mStiffness = tendon.mStiffness;
mLLTendon.mDamping = tendon.mDamping;
mLLTendon.mOffset = tendon.mOffset;
mLLTendon.mLimitStiffness = tendon.mLimitStiffness;
}
Sc::ArticulationSpatialTendonSim::~ArticulationSpatialTendonSim()
{
mTendonCore.setSim(NULL);
}
void Sc::ArticulationSpatialTendonSim::setStiffness(const PxReal stiffness)
{
mLLTendon.mStiffness = stiffness;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_SPATIAL_TENDON);
}
PxReal Sc::ArticulationSpatialTendonSim::getStiffness() const
{
return mLLTendon.mStiffness;
}
void Sc::ArticulationSpatialTendonSim::setDamping(const PxReal damping)
{
mLLTendon.mDamping = damping;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_SPATIAL_TENDON);
}
PxReal Sc::ArticulationSpatialTendonSim::getDamping() const
{
return mLLTendon.mDamping;
}
void Sc::ArticulationSpatialTendonSim::setLimitStiffness(const PxReal stiffness)
{
mLLTendon.mLimitStiffness = stiffness;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_FIXED_TENDON);
}
PxReal Sc::ArticulationSpatialTendonSim::getLimitStiffness() const
{
return mLLTendon.mLimitStiffness;
}
void Sc::ArticulationSpatialTendonSim::setOffset(const PxReal offset)
{
mLLTendon.mOffset = offset;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_SPATIAL_TENDON);
}
PxReal Sc::ArticulationSpatialTendonSim::getOffset() const
{
return mLLTendon.mOffset;
}
void Sc::ArticulationSpatialTendonSim::setAttachmentCoefficient(ArticulationAttachmentCore& core, const PxReal coefficient)
{
const PxU32 index = core.mAttachmentIndex;
Dy::ArticulationAttachment& attachment = mLLTendon.getAttachment(index);
attachment.coefficient = coefficient;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_SPATIAL_TENDON_ATTACHMENT);
}
void Sc::ArticulationSpatialTendonSim::setAttachmentRelativeOffset(ArticulationAttachmentCore& core, const PxVec3& offset)
{
const PxU32 index = core.mAttachmentIndex;
Dy::ArticulationAttachment& attachment = mLLTendon.getAttachment(index);
attachment.relativeOffset = offset;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_SPATIAL_TENDON_ATTACHMENT);
}
void Sc::ArticulationSpatialTendonSim::setAttachmentLimits(ArticulationAttachmentCore& core, const PxReal lowLimit, const PxReal highLimit)
{
const PxU32 index = core.mAttachmentIndex;
Dy::ArticulationAttachment& attachment = mLLTendon.getAttachment(index);
attachment.lowLimit = lowLimit;
attachment.highLimit = highLimit;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_SPATIAL_TENDON_ATTACHMENT);
}
void Sc::ArticulationSpatialTendonSim::setAttachmentRestLength(ArticulationAttachmentCore& core, const PxReal restLength)
{
const PxU32 index = core.mAttachmentIndex;
Dy::ArticulationAttachment& attachment = mLLTendon.getAttachment(index);
attachment.restLength = restLength;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_SPATIAL_TENDON_ATTACHMENT);
}
void Sc::ArticulationSpatialTendonSim::addAttachment(ArticulationAttachmentCore& core)
{
const PxU32 index = mLLTendon.getNewID();
Dy::ArticulationAttachment& attachment = mLLTendon.getAttachment(index);
attachment.relativeOffset = core.mRelativeOffset;
attachment.linkInd = PxU16(core.mLLLinkIndex);
attachment.lowLimit = core.mLowLimit;
attachment.highLimit = core.mHighLimit;
attachment.coefficient = core.mCoefficient;
attachment.myInd = index;
attachment.children = 0;
attachment.childCount = 0;
attachment.restLength = core.mRestLength;
core.mAttachmentIndex = index;
core.mTendonSim = this;
if (core.mParent)
{
const PxU32 parentIndex = core.mParent->mAttachmentIndex;
attachment.parent = parentIndex;
mLLTendon.getAttachment(parentIndex).children |= Dy::ArticulationAttachmentBitField(1) << index;
mLLTendon.getAttachment(parentIndex).childCount++;
}
else
{
attachment.parent = DY_ARTICULATION_ATTACHMENT_NONE;
}
}
void Sc::ArticulationSpatialTendonSim::removeAttachment(ArticulationAttachmentCore& core)
{
const PxU32 index = core.mAttachmentIndex;
Dy::ArticulationAttachment& attachment = mLLTendon.getAttachment(index);
PX_ASSERT(attachment.childCount == 0);
if (attachment.parent != DY_ARTICULATION_ATTACHMENT_NONE)
{
Dy::ArticulationAttachment& parent = mLLTendon.getAttachment(attachment.parent);
parent.children &= ~(Dy::ArticulationAttachmentBitField(1) << index);
parent.childCount--;
}
mLLTendon.freeID(index);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////
Sc::ArticulationFixedTendonSim::ArticulationFixedTendonSim(ArticulationFixedTendonCore& tendon, Scene& scene) :
mTendonCore(tendon), mScene(scene)
{
mTendonCore.setSim(this);
mLLTendon.mStiffness = tendon.mStiffness;
mLLTendon.mDamping = tendon.mDamping;
mLLTendon.mOffset = tendon.mOffset;
mLLTendon.mLimitStiffness = tendon.mLimitStiffness;
mLLTendon.mLowLimit = tendon.mLowLimit;
mLLTendon.mHighLimit = tendon.mHighLimit;
mLLTendon.mRestLength = tendon.mRestLength;
}
Sc::ArticulationFixedTendonSim::~ArticulationFixedTendonSim()
{
mTendonCore.setSim(NULL);
}
void Sc::ArticulationFixedTendonSim::setStiffness(const PxReal stiffness)
{
mLLTendon.mStiffness = stiffness;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_FIXED_TENDON);
}
PxReal Sc::ArticulationFixedTendonSim::getStiffness() const
{
return mLLTendon.mStiffness;
}
void Sc::ArticulationFixedTendonSim::setDamping(const PxReal damping)
{
mLLTendon.mDamping = damping;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_FIXED_TENDON);
}
PxReal Sc::ArticulationFixedTendonSim::getDamping() const
{
return mLLTendon.mDamping;
}
void Sc::ArticulationFixedTendonSim::setLimitStiffness(const PxReal stiffness)
{
mLLTendon.mLimitStiffness = stiffness;
Dy::FeatherstoneArticulation* llArticulation = static_cast<Dy::FeatherstoneArticulation*>(mArtiSim->getLowLevelArticulation());
llArticulation->setGpuDirtyFlag(Dy::ArticulationDirtyFlag::eDIRTY_FIXED_TENDON);
}
PxReal Sc::ArticulationFixedTendonSim::getLimitStiffness() const
{
return mLLTendon.mLimitStiffness;
}
void Sc::ArticulationFixedTendonSim::setOffset(const PxReal offset)
{
mLLTendon.mOffset = offset;
mArtiSim->setArticulationDirty(Dy::ArticulationDirtyFlag::eDIRTY_FIXED_TENDON);
}
PxReal Sc::ArticulationFixedTendonSim::getOffset() const
{
return mLLTendon.mOffset;
}
void Sc::ArticulationFixedTendonSim::setSpringRestLength(const PxReal restLength)
{
mLLTendon.mRestLength = restLength;
mArtiSim->setArticulationDirty(Dy::ArticulationDirtyFlag::eDIRTY_FIXED_TENDON);
}
PxReal Sc::ArticulationFixedTendonSim::getSpringRestLength() const
{
return mLLTendon.mRestLength;
}
void Sc::ArticulationFixedTendonSim::setLimitRange(const PxReal lowLimit, const PxReal highLimit)
{
mLLTendon.mLowLimit = lowLimit;
mLLTendon.mHighLimit = highLimit;
mArtiSim->setArticulationDirty(Dy::ArticulationDirtyFlag::eDIRTY_FIXED_TENDON);
}
void Sc::ArticulationFixedTendonSim::getLimitRange(PxReal& lowLimit, PxReal& highLimit) const
{
lowLimit = mLLTendon.mLowLimit;
highLimit = mLLTendon.mHighLimit;
}
void Sc::ArticulationFixedTendonSim::addTendonJoint(ArticulationTendonJointCore& tendonJointCore)
{
const PxU32 jointIndex = mLLTendon.getNewID();
Dy::ArticulationTendonJoint& tendonJoint = mLLTendon.getTendonJoint(jointIndex);
tendonJoint.axis = PxU16(tendonJointCore.axis);
tendonJoint.coefficient = tendonJointCore.coefficient;
tendonJoint.recipCoefficient = tendonJointCore.recipCoefficient;
tendonJoint.linkInd = PxU16(tendonJointCore.mLLLinkIndex);
tendonJoint.children = 0;
tendonJoint.childCount = 0;
tendonJointCore.mLLTendonJointIndex = jointIndex;
//tendonJointCore.mLLTendonJoint = &tendonJoint;
tendonJointCore.mTendonSim = this;
if (tendonJointCore.mParent)
{
const PxU32 parentIndex = tendonJointCore.mParent->mLLTendonJointIndex;
tendonJoint.parent = parentIndex;
mLLTendon.getTendonJoint(parentIndex).children |= Dy::ArticulationAttachmentBitField(1) << jointIndex;
mLLTendon.getTendonJoint(parentIndex).childCount++;
}
else
{
tendonJoint.parent = DY_ARTICULATION_ATTACHMENT_NONE;
}
}
void Sc::ArticulationFixedTendonSim::removeTendonJoint(ArticulationTendonJointCore& core)
{
const PxU32 index = core.mLLTendonJointIndex;
Dy::ArticulationTendonJoint& tendonJoint = mLLTendon.getTendonJoint(index);
PX_ASSERT(tendonJoint.childCount == 0);
if (tendonJoint.parent != DY_ARTICULATION_ATTACHMENT_NONE)
{
Dy::ArticulationTendonJoint& parent = mLLTendon.getTendonJoint(tendonJoint.parent);
parent.children &= ~(Dy::ArticulationAttachmentBitField(1) << index);
parent.childCount--;
}
mLLTendon.freeID(index);
}
void Sc::ArticulationFixedTendonSim::setTendonJointCoefficient(ArticulationTendonJointCore& core, const PxArticulationAxis::Enum axis, const float coefficient, const float recipCoefficient)
{
const PxU32 index = core.mLLTendonJointIndex;
Dy::ArticulationTendonJoint& tendonJoint = mLLTendon.getTendonJoint(index);
tendonJoint.axis = PxU16(axis);
tendonJoint.coefficient = coefficient;
tendonJoint.recipCoefficient = recipCoefficient;
mArtiSim->setArticulationDirty(Dy::ArticulationDirtyFlag::eDIRTY_FIXED_TENDON_JOINT);
}