physx-sys 0.7.0

Unsafe bindings for NVIDIA PhysX C++ SDK
Documentation 
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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