Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 210 insertions, 0 deletions

diff --git a/PhysX_3.4/Source/LowLevelCloth/src/SwCloth.h b/PhysX_3.4/Source/LowLevelCloth/src/SwCloth.h
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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) 2008-2016 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#pragma once
+
+#include "foundation/PxTransform.h"
+#include "Cloth.h"
+#include "Range.h"
+#include "MovingAverage.h"
+#include "PhaseConfig.h"
+#include "IndexPair.h"
+#include "Vec4T.h"
+#include "Array.h"
+
+namespace physx
+{
+
+namespace cloth
+{
+
+class SwFabric;
+class SwFactory;
+
+typedef AlignedVector<PxVec4, 16>::Type Vec4fAlignedVector;
+
+struct SwConstraints
+{
+	void pop()
+	{
+		if(!mTarget.empty())
+		{
+			mStart.swap(mTarget);
+			mTarget.resize(0);
+		}
+	}
+
+	Vec4fAlignedVector mStart;
+	Vec4fAlignedVector mTarget;
+};
+
+class SwCloth
+{
+	SwCloth& operator=(const SwCloth&); // not implemented
+	struct SwContextLock
+	{
+		SwContextLock(const SwFactory&)
+		{
+		}
+	};
+
+  public:
+	typedef SwFactory FactoryType;
+	typedef SwFabric FabricType;
+	typedef SwContextLock ContextLockType;
+
+	typedef Vec4fAlignedVector& MappedVec4fVectorType;
+	typedef Vector<IndexPair>::Type& MappedIndexVectorType;
+
+	SwCloth(SwFactory&, SwFabric&, Range<const PxVec4>);
+	SwCloth(SwFactory&, const SwCloth&);
+	~SwCloth(); // not virtual on purpose
+
+  public:
+	bool isSleeping() const
+	{
+		return mSleepPassCounter >= mSleepAfterCount;
+	}
+	void wakeUp()
+	{
+		mSleepPassCounter = 0;
+	}
+
+	void notifyChanged()
+	{
+	}
+
+	void setParticleBounds(const float*);
+
+	Range<PxVec4> push(SwConstraints&);
+	static void clear(SwConstraints&);
+
+	static Range<const PxVec3> clampTriangleCount(Range<const PxVec3>, uint32_t);
+
+  public:
+	SwFactory& mFactory;
+	SwFabric& mFabric;
+
+	// current and previous-iteration particle positions
+	Vec4fAlignedVector mCurParticles;
+	Vec4fAlignedVector mPrevParticles;
+
+	PxVec3 mParticleBoundsCenter;
+	PxVec3 mParticleBoundsHalfExtent;
+
+	PxVec3 mGravity;
+	PxVec3 mLogDamping;
+	PxVec3 mLinearLogDrag;
+	PxVec3 mAngularLogDrag;
+	PxVec3 mLinearInertia;
+	PxVec3 mAngularInertia;
+	PxVec3 mCentrifugalInertia;
+	float mSolverFrequency;
+	float mStiffnessFrequency;
+
+	PxTransform mTargetMotion;
+	PxTransform mCurrentMotion;
+	PxVec3 mLinearVelocity;
+	PxVec3 mAngularVelocity;
+
+	float mPrevIterDt;
+	MovingAverage mIterDtAvg;
+
+	Vector<PhaseConfig>::Type mPhaseConfigs; // transformed!
+
+	// tether constraints stuff
+	float mTetherConstraintLogStiffness;
+	float mTetherConstraintScale;
+
+	// motion constraints stuff
+	SwConstraints mMotionConstraints;
+	float mMotionConstraintScale;
+	float mMotionConstraintBias;
+	float mMotionConstraintLogStiffness;
+
+	// separation constraints stuff
+	SwConstraints mSeparationConstraints;
+
+	// particle acceleration stuff
+	Vec4fAlignedVector mParticleAccelerations;
+
+	// wind
+	PxVec3 mWind;
+	float mDragLogCoefficient;
+	float mLiftLogCoefficient;
+
+	// collision stuff
+	Vector<IndexPair>::Type mCapsuleIndices;
+	Vec4fAlignedVector mStartCollisionSpheres;
+	Vec4fAlignedVector mTargetCollisionSpheres;
+	Vector<uint32_t>::Type mConvexMasks;
+	Vec4fAlignedVector mStartCollisionPlanes;
+	Vec4fAlignedVector mTargetCollisionPlanes;
+	Vector<PxVec3>::Type mStartCollisionTriangles;
+	Vector<PxVec3>::Type mTargetCollisionTriangles;
+	bool mEnableContinuousCollision;
+	float mCollisionMassScale;
+	float mFriction;
+
+	// virtual particles
+	Vector<Vec4us>::Type mVirtualParticleIndices;
+	Vec4fAlignedVector mVirtualParticleWeights;
+	uint32_t mNumVirtualParticles;
+
+	// self collision
+	float mSelfCollisionDistance;
+	float mSelfCollisionLogStiffness;
+
+	Vector<uint32_t>::Type mSelfCollisionIndices;
+
+	Vec4fAlignedVector mRestPositions;
+
+	// sleeping
+	uint32_t mSleepTestInterval; // how often to test for movement
+	uint32_t mSleepAfterCount;   // number of tests to pass before sleep
+	float mSleepThreshold;       // max movement delta to pass test
+	uint32_t mSleepPassCounter;  // how many tests passed
+	uint32_t mSleepTestCounter;  // how many iterations since tested
+
+	void* mUserData;
+
+} PX_ALIGN_SUFFIX(16);
+
+} // namespace cloth
+
+// bounds = lower[3], upper[3]
+inline void cloth::SwCloth::setParticleBounds(const float* bounds)
+{
+	for(uint32_t i = 0; i < 3; ++i)
+	{
+		mParticleBoundsCenter[i] = (bounds[3 + i] + bounds[i]) * 0.5f;
+		mParticleBoundsHalfExtent[i] = (bounds[3 + i] - bounds[i]) * 0.5f;
+	}
+}
+}