| 1 | // |
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| 2 | // Redistribution and use in source and binary forms, with or without |
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| 3 | // modification, are permitted provided that the following conditions |
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| 4 | // are met: |
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| 5 | // * Redistributions of source code must retain the above copyright |
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| 6 | // notice, this list of conditions and the following disclaimer. |
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| 7 | // * Redistributions in binary form must reproduce the above copyright |
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| 8 | // notice, this list of conditions and the following disclaimer in the |
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| 9 | // documentation and/or other materials provided with the distribution. |
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| 10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
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| 11 | // contributors may be used to endorse or promote products derived |
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| 12 | // from this software without specific prior written permission. |
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| 13 | // |
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| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
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| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 17 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 25 | // |
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| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. |
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| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
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| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
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| 29 | |
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| 30 | |
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| 31 | #ifndef PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H |
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| 32 | #define PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H |
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| 33 | /** \addtogroup extensions |
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| 34 | @{ |
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| 35 | */ |
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| 36 | |
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| 37 | #include <stdio.h> |
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| 38 | #include "common/PxPhysXCommonConfig.h" |
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| 39 | #include "foundation/PxIO.h" |
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| 40 | #include "PxFoundation.h" |
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| 41 | |
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| 42 | typedef FILE* PxFileHandle; |
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| 43 | |
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| 44 | #if !PX_DOXYGEN |
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| 45 | namespace physx |
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| 46 | { |
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| 47 | #endif |
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| 48 | |
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| 49 | /** |
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| 50 | \brief default implementation of a memory write stream |
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| 51 | |
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| 52 | @see PxOutputStream |
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| 53 | */ |
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| 54 | |
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| 55 | class PxDefaultMemoryOutputStream: public PxOutputStream |
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| 56 | { |
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| 57 | public: |
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| 58 | PxDefaultMemoryOutputStream(PxAllocatorCallback &allocator = PxGetFoundation().getAllocatorCallback()); |
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| 59 | virtual ~PxDefaultMemoryOutputStream(); |
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| 60 | |
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| 61 | virtual PxU32 write(const void* src, PxU32 count); |
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| 62 | |
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| 63 | virtual PxU32 getSize() const { return mSize; } |
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| 64 | virtual PxU8* getData() const { return mData; } |
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| 65 | |
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| 66 | private: |
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| 67 | PxDefaultMemoryOutputStream(const PxDefaultMemoryOutputStream&); |
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| 68 | PxDefaultMemoryOutputStream& operator=(const PxDefaultMemoryOutputStream&); |
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| 69 | |
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| 70 | PxAllocatorCallback& mAllocator; |
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| 71 | PxU8* mData; |
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| 72 | PxU32 mSize; |
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| 73 | PxU32 mCapacity; |
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| 74 | }; |
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| 75 | |
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| 76 | /** |
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| 77 | \brief default implementation of a memory read stream |
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| 78 | |
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| 79 | @see PxInputData |
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| 80 | */ |
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| 81 | |
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| 82 | class PxDefaultMemoryInputData: public PxInputData |
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| 83 | { |
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| 84 | public: |
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| 85 | PxDefaultMemoryInputData(PxU8* data, PxU32 length); |
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| 86 | |
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| 87 | virtual PxU32 read(void* dest, PxU32 count); |
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| 88 | virtual PxU32 getLength() const; |
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| 89 | virtual void seek(PxU32 pos); |
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| 90 | virtual PxU32 tell() const; |
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| 91 | |
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| 92 | private: |
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| 93 | PxU32 mSize; |
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| 94 | const PxU8* mData; |
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| 95 | PxU32 mPos; |
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| 96 | }; |
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| 97 | |
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| 98 | |
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| 99 | |
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| 100 | /** |
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| 101 | \brief default implementation of a file write stream |
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| 102 | |
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| 103 | @see PxOutputStream |
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| 104 | */ |
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| 105 | |
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| 106 | class PxDefaultFileOutputStream: public PxOutputStream |
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| 107 | { |
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| 108 | public: |
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| 109 | PxDefaultFileOutputStream(const char* name); |
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| 110 | virtual ~PxDefaultFileOutputStream(); |
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| 111 | |
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| 112 | virtual PxU32 write(const void* src, PxU32 count); |
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| 113 | virtual bool isValid(); |
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| 114 | private: |
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| 115 | PxFileHandle mFile; |
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| 116 | }; |
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| 117 | |
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| 118 | |
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| 119 | /** |
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| 120 | \brief default implementation of a file read stream |
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| 121 | |
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| 122 | @see PxInputData |
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| 123 | */ |
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| 124 | |
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| 125 | class PxDefaultFileInputData: public PxInputData |
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| 126 | { |
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| 127 | public: |
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| 128 | PxDefaultFileInputData(const char* name); |
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| 129 | virtual ~PxDefaultFileInputData(); |
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| 130 | |
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| 131 | virtual PxU32 read(void* dest, PxU32 count); |
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| 132 | virtual void seek(PxU32 pos); |
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| 133 | virtual PxU32 tell() const; |
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| 134 | virtual PxU32 getLength() const; |
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| 135 | |
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| 136 | bool isValid() const; |
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| 137 | private: |
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| 138 | PxFileHandle mFile; |
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| 139 | PxU32 mLength; |
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| 140 | }; |
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| 141 | |
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| 142 | #if !PX_DOXYGEN |
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| 143 | } |
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| 144 | #endif |
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| 145 | |
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| 146 | /** @} */ |
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| 147 | |
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| 148 | #endif |
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| 149 | |
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| 150 | |
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