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//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
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//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
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// Copyright (c) 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.

#pragma once

#include "Types.h"
#include "PxAssert.h"
#include "Range.h"

namespace nvidia
{
namespace cloth
{

class Factory;

// abstract cloth constraints and triangle indices
class Fabric
{
  protected:
	Fabric(const Fabric&);
	Fabric& operator=(const Fabric&);

  protected:
	Fabric() : mRefCount(0)
	{
	}

  public:
	virtual ~Fabric()
	{
		PX_ASSERT(!mRefCount);
	}

	virtual Factory& getFactory() const = 0;

	virtual uint32_t getNumPhases() const = 0;
	virtual uint32_t getNumRestvalues() const = 0;

	virtual uint32_t getNumSets() const = 0;
	virtual uint32_t getNumIndices() const = 0;

	virtual uint32_t getNumParticles() const = 0;

	virtual uint32_t getNumTethers() const = 0;

	virtual void scaleRestvalues(float) = 0;
	virtual void scaleTetherLengths(float) = 0;

	uint16_t getRefCount() const
	{
		return mRefCount;
	}
	void incRefCount()
	{
		++mRefCount;
		PX_ASSERT(mRefCount > 0);
	}
	void decRefCount()
	{
		PX_ASSERT(mRefCount > 0);
		--mRefCount;
	}

  protected:
	uint16_t mRefCount;
};

} // namespace cloth
} // namespace nvidia