00001 // 00002 // Redistribution and use in source and binary forms, with or without 00003 // modification, are permitted provided that the following conditions 00004 // are met: 00005 // * Redistributions of source code must retain the above copyright 00006 // notice, this list of conditions and the following disclaimer. 00007 // * Redistributions in binary form must reproduce the above copyright 00008 // notice, this list of conditions and the following disclaimer in the 00009 // documentation and/or other materials provided with the distribution. 00010 // * Neither the name of NVIDIA CORPORATION nor the names of its 00011 // contributors may be used to endorse or promote products derived 00012 // from this software without specific prior written permission. 00013 // 00014 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 00015 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00016 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00017 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 00018 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00019 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00020 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00021 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 00022 // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00023 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00024 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00025 // 00026 // Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved. 00027 // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. 00028 // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. 00029 00030 00031 #ifndef PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H 00032 #define PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H 00033 00037 #include <stdio.h> 00038 #include "common/PxPhysXCommonConfig.h" 00039 #include "foundation/PxIO.h" 00040 #include "foundation/PxFoundation.h" 00041 00042 typedef FILE* PxFileHandle; 00043 00044 #if !PX_DOXYGEN 00045 namespace physx 00046 { 00047 #endif 00048 00055 class PxDefaultMemoryOutputStream: public PxOutputStream 00056 { 00057 public: 00058 PxDefaultMemoryOutputStream(PxAllocatorCallback &allocator = PxGetFoundation().getAllocatorCallback()); 00059 virtual ~PxDefaultMemoryOutputStream(); 00060 00061 virtual PxU32 write(const void* src, PxU32 count); 00062 00063 virtual PxU32 getSize() const { return mSize; } 00064 virtual PxU8* getData() const { return mData; } 00065 00066 private: 00067 PxDefaultMemoryOutputStream(const PxDefaultMemoryOutputStream&); 00068 PxDefaultMemoryOutputStream& operator=(const PxDefaultMemoryOutputStream&); 00069 00070 PxAllocatorCallback& mAllocator; 00071 PxU8* mData; 00072 PxU32 mSize; 00073 PxU32 mCapacity; 00074 }; 00075 00082 class PxDefaultMemoryInputData: public PxInputData 00083 { 00084 public: 00085 PxDefaultMemoryInputData(PxU8* data, PxU32 length); 00086 00087 virtual PxU32 read(void* dest, PxU32 count); 00088 virtual PxU32 getLength() const; 00089 virtual void seek(PxU32 pos); 00090 virtual PxU32 tell() const; 00091 00092 private: 00093 PxU32 mSize; 00094 const PxU8* mData; 00095 PxU32 mPos; 00096 }; 00097 00098 00099 00106 class PxDefaultFileOutputStream: public PxOutputStream 00107 { 00108 public: 00109 PxDefaultFileOutputStream(const char* name); 00110 virtual ~PxDefaultFileOutputStream(); 00111 00112 virtual PxU32 write(const void* src, PxU32 count); 00113 virtual bool isValid(); 00114 private: 00115 PxFileHandle mFile; 00116 }; 00117 00118 00125 class PxDefaultFileInputData: public PxInputData 00126 { 00127 public: 00128 PxDefaultFileInputData(const char* name); 00129 virtual ~PxDefaultFileInputData(); 00130 00131 virtual PxU32 read(void* dest, PxU32 count); 00132 virtual void seek(PxU32 pos); 00133 virtual PxU32 tell() const; 00134 virtual PxU32 getLength() const; 00135 00136 bool isValid() const; 00137 private: 00138 PxFileHandle mFile; 00139 PxU32 mLength; 00140 }; 00141 00142 #if !PX_DOXYGEN 00143 } 00144 #endif 00145 00148 #endif 00149