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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// 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"
namespace physx
{
class PxBaseTask;
}
namespace nvidia
{
namespace cloth
{
class Cloth;
// called during inter-collision, user0 and user1 are the user data from each cloth
typedef bool (*InterCollisionFilter)(void* user0, void* user1);
/// base class for solvers
class Solver
{
protected:
Solver(const Solver&);
Solver& operator=(const Solver&);
protected:
Solver()
{
}
public:
virtual ~Solver()
{
}
/// add cloth object, returns true if successful
virtual void addCloth(Cloth*) = 0;
/// remove cloth object
virtual void removeCloth(Cloth*) = 0;
/// simulate one time step
virtual PxBaseTask& simulate(float dt, PxBaseTask&) = 0;
// inter-collision parameters
virtual void setInterCollisionDistance(float distance) = 0;
virtual float getInterCollisionDistance() const = 0;
virtual void setInterCollisionStiffness(float stiffness) = 0;
virtual float getInterCollisionStiffness() const = 0;
virtual void setInterCollisionNbIterations(uint32_t nbIterations) = 0;
virtual uint32_t getInterCollisionNbIterations() const = 0;
virtual void setInterCollisionFilter(InterCollisionFilter filter) = 0;
// virtual uint32_t getNumSharedPositions( const Cloth* ) const = 0;
/// returns true if an unrecoverable error has occurred
virtual bool hasError() const = 0;
};
} // namespace cloth
} // namespace nvidia
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