GRK/dependencies/physx-4.1/include/extensions/PxDefaultStreams.h
secret_dude a7bd7ecb75 master
2022-01-12 16:07:16 +01:00

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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) 2008-2019 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H
#define PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H
/** \addtogroup extensions
@{
*/
#include <stdio.h>
#include "common/PxPhysXCommonConfig.h"
#include "foundation/PxIO.h"
#include "PxFoundation.h"
typedef FILE* PxFileHandle;
#if !PX_DOXYGEN
namespace physx
{
#endif
/**
\brief default implementation of a memory write stream
@see PxOutputStream
*/
class PxDefaultMemoryOutputStream: public PxOutputStream
{
public:
PxDefaultMemoryOutputStream(PxAllocatorCallback &allocator = PxGetFoundation().getAllocatorCallback());
virtual ~PxDefaultMemoryOutputStream();
virtual PxU32 write(const void* src, PxU32 count);
virtual PxU32 getSize() const { return mSize; }
virtual PxU8* getData() const { return mData; }
private:
PxDefaultMemoryOutputStream(const PxDefaultMemoryOutputStream&);
PxDefaultMemoryOutputStream& operator=(const PxDefaultMemoryOutputStream&);
PxAllocatorCallback& mAllocator;
PxU8* mData;
PxU32 mSize;
PxU32 mCapacity;
};
/**
\brief default implementation of a memory read stream
@see PxInputData
*/
class PxDefaultMemoryInputData: public PxInputData
{
public:
PxDefaultMemoryInputData(PxU8* data, PxU32 length);
virtual PxU32 read(void* dest, PxU32 count);
virtual PxU32 getLength() const;
virtual void seek(PxU32 pos);
virtual PxU32 tell() const;
private:
PxU32 mSize;
const PxU8* mData;
PxU32 mPos;
};
/**
\brief default implementation of a file write stream
@see PxOutputStream
*/
class PxDefaultFileOutputStream: public PxOutputStream
{
public:
PxDefaultFileOutputStream(const char* name);
virtual ~PxDefaultFileOutputStream();
virtual PxU32 write(const void* src, PxU32 count);
virtual bool isValid();
private:
PxFileHandle mFile;
};
/**
\brief default implementation of a file read stream
@see PxInputData
*/
class PxDefaultFileInputData: public PxInputData
{
public:
PxDefaultFileInputData(const char* name);
virtual ~PxDefaultFileInputData();
virtual PxU32 read(void* dest, PxU32 count);
virtual void seek(PxU32 pos);
virtual PxU32 tell() const;
virtual PxU32 getLength() const;
bool isValid() const;
private:
PxFileHandle mFile;
PxU32 mLength;
};
#if !PX_DOXYGEN
}
#endif
/** @} */
#endif