// 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) 2008-2020 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/Px.h>

namespace nv
{
namespace simd
{
}
}

namespace nv
{
namespace cloth
{

class SwCloth;
class SwFabric;
struct PhaseConfig;
struct IndexPair;
struct SwTether;

// reference to cloth instance bulk data (POD)
struct SwClothData
{
	SwClothData(SwCloth&, const SwFabric&);
	void reconcile(SwCloth&) const;
	void verify() const;

	// particle data
	uint32_t mNumParticles;
	float* mCurParticles;
	float* mPrevParticles;

	float mCurBounds[6]; // lower[3], upper[3]
	float mPrevBounds[6];
	float mPadding; // write as simd

	// distance constraints
	const PhaseConfig* mConfigBegin;
	const PhaseConfig* mConfigEnd;

	const uint32_t* mPhases;
	uint32_t mNumPhases;

	const uint32_t* mSets;
	uint32_t mNumSets;

	const float* mRestvalues;
	uint32_t mNumRestvalues;
	const float* mStiffnessValues;

	const uint16_t* mIndices;
	uint32_t mNumIndices;

	const SwTether* mTethers;
	uint32_t mNumTethers;
	float mTetherConstraintStiffness;
	float mTetherConstraintScale;

	// wind data
	const uint16_t* mTriangles;
	uint32_t mNumTriangles;
	float mDragCoefficient;
	float mLiftCoefficient;
	float mFluidDensity;

	// motion constraint data
	const float* mStartMotionConstraints;
	const float* mTargetMotionConstraints;
	float mMotionConstraintStiffness;

	// separation constraint data
	const float* mStartSeparationConstraints;
	const float* mTargetSeparationConstraints;

	// particle acceleration data
	const float* mParticleAccelerations;

	// collision stuff
	const float* mStartCollisionSpheres;
	const float* mTargetCollisionSpheres;
	uint32_t mNumSpheres;

	const IndexPair* mCapsuleIndices;
	uint32_t mNumCapsules;

	const float* mStartCollisionPlanes;
	const float* mTargetCollisionPlanes;
	uint32_t mNumPlanes;

	const uint32_t* mConvexMasks;
	uint32_t mNumConvexes;

	const float* mStartCollisionTriangles;
	const float* mTargetCollisionTriangles;
	uint32_t mNumCollisionTriangles;

	const uint16_t* mVirtualParticlesBegin;
	const uint16_t* mVirtualParticlesEnd;

	const float* mVirtualParticleWeights;
	uint32_t mNumVirtualParticleWeights;

	bool mEnableContinuousCollision;
	float mFrictionScale;
	float mCollisionMassScale;

	float mSelfCollisionDistance;
	float mSelfCollisionStiffness;

	uint32_t mNumSelfCollisionIndices;
	const uint32_t* mSelfCollisionIndices;

	float* mRestPositions;

	// sleep data
	uint32_t mSleepPassCounter;
	uint32_t mSleepTestCounter;

};
}
}