[7983] | 1 | /* |
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| 2 | Bullet Continuous Collision Detection and Physics Library |
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| 3 | Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org |
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| 4 | |
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| 5 | This software is provided 'as-is', without any express or implied warranty. |
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| 6 | In no event will the authors be held liable for any damages arising from the use of this software. |
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| 7 | Permission is granted to anyone to use this software for any purpose, |
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| 8 | including commercial applications, and to alter it and redistribute it freely, |
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| 9 | subject to the following restrictions: |
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| 10 | |
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| 11 | 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. |
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| 12 | 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. |
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| 13 | 3. This notice may not be removed or altered from any source distribution. |
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| 14 | */ |
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| 15 | |
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| 16 | #ifndef BT_SERIALIZER_H |
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| 17 | #define BT_SERIALIZER_H |
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| 18 | |
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| 19 | #include "btScalar.h" // has definitions like SIMD_FORCE_INLINE |
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| 20 | #include "btStackAlloc.h" |
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| 21 | #include "btHashMap.h" |
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| 22 | |
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| 23 | #if !defined( __CELLOS_LV2__) && !defined(__MWERKS__) |
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| 24 | #include <memory.h> |
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| 25 | #endif |
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| 26 | #include <string.h> |
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| 27 | |
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| 28 | |
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| 29 | |
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| 30 | ///only the 32bit versions for now |
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| 31 | extern unsigned char sBulletDNAstr[]; |
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| 32 | extern int sBulletDNAlen; |
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| 33 | extern unsigned char sBulletDNAstr64[]; |
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| 34 | extern int sBulletDNAlen64; |
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| 35 | |
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| 36 | SIMD_FORCE_INLINE int btStrLen(const char* str) |
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| 37 | { |
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| 38 | if (!str) |
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| 39 | return(0); |
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| 40 | int len = 0; |
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| 41 | |
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| 42 | while (*str != 0) |
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| 43 | { |
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| 44 | str++; |
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| 45 | len++; |
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| 46 | } |
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| 47 | |
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| 48 | return len; |
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| 49 | } |
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| 50 | |
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| 51 | |
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| 52 | class btChunk |
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| 53 | { |
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| 54 | public: |
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| 55 | int m_chunkCode; |
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| 56 | int m_length; |
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| 57 | void *m_oldPtr; |
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| 58 | int m_dna_nr; |
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| 59 | int m_number; |
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| 60 | }; |
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| 61 | |
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| 62 | enum btSerializationFlags |
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| 63 | { |
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| 64 | BT_SERIALIZE_NO_BVH = 1, |
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| 65 | BT_SERIALIZE_NO_TRIANGLEINFOMAP = 2, |
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| 66 | BT_SERIALIZE_NO_DUPLICATE_ASSERT = 4 |
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| 67 | }; |
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| 68 | |
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| 69 | class btSerializer |
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| 70 | { |
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| 71 | |
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| 72 | public: |
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| 73 | |
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| 74 | virtual ~btSerializer() {} |
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| 75 | |
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| 76 | virtual const unsigned char* getBufferPointer() const = 0; |
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| 77 | |
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| 78 | virtual int getCurrentBufferSize() const = 0; |
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| 79 | |
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| 80 | virtual btChunk* allocate(size_t size, int numElements) = 0; |
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| 81 | |
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| 82 | virtual void finalizeChunk(btChunk* chunk, const char* structType, int chunkCode,void* oldPtr)= 0; |
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| 83 | |
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| 84 | virtual void* findPointer(void* oldPtr) = 0; |
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| 85 | |
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| 86 | virtual void* getUniquePointer(void*oldPtr) = 0; |
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| 87 | |
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| 88 | virtual void startSerialization() = 0; |
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| 89 | |
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| 90 | virtual void finishSerialization() = 0; |
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| 91 | |
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| 92 | virtual const char* findNameForPointer(const void* ptr) const = 0; |
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| 93 | |
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| 94 | virtual void registerNameForPointer(const void* ptr, const char* name) = 0; |
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| 95 | |
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| 96 | virtual void serializeName(const char* ptr) = 0; |
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| 97 | |
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| 98 | virtual int getSerializationFlags() const = 0; |
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| 99 | |
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| 100 | virtual void setSerializationFlags(int flags) = 0; |
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| 101 | |
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| 102 | |
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| 103 | }; |
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| 104 | |
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| 105 | |
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| 106 | |
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| 107 | #define BT_HEADER_LENGTH 12 |
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| 108 | #if defined(__sgi) || defined (__sparc) || defined (__sparc__) || defined (__PPC__) || defined (__ppc__) || defined (__BIG_ENDIAN__) |
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| 109 | # define MAKE_ID(a,b,c,d) ( (int)(a)<<24 | (int)(b)<<16 | (c)<<8 | (d) ) |
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| 110 | #else |
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| 111 | # define MAKE_ID(a,b,c,d) ( (int)(d)<<24 | (int)(c)<<16 | (b)<<8 | (a) ) |
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| 112 | #endif |
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| 113 | |
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[8393] | 114 | #define BT_SOFTBODY_CODE MAKE_ID('S','B','D','Y') |
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[7983] | 115 | #define BT_COLLISIONOBJECT_CODE MAKE_ID('C','O','B','J') |
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| 116 | #define BT_RIGIDBODY_CODE MAKE_ID('R','B','D','Y') |
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| 117 | #define BT_CONSTRAINT_CODE MAKE_ID('C','O','N','S') |
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| 118 | #define BT_BOXSHAPE_CODE MAKE_ID('B','O','X','S') |
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| 119 | #define BT_QUANTIZED_BVH_CODE MAKE_ID('Q','B','V','H') |
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| 120 | #define BT_TRIANLGE_INFO_MAP MAKE_ID('T','M','A','P') |
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| 121 | #define BT_SHAPE_CODE MAKE_ID('S','H','A','P') |
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| 122 | #define BT_ARRAY_CODE MAKE_ID('A','R','A','Y') |
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[8393] | 123 | #define BT_SBMATERIAL_CODE MAKE_ID('S','B','M','T') |
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| 124 | #define BT_SBNODE_CODE MAKE_ID('S','B','N','D') |
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[7983] | 125 | #define BT_DNA_CODE MAKE_ID('D','N','A','1') |
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| 126 | |
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| 127 | |
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| 128 | struct btPointerUid |
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| 129 | { |
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| 130 | union |
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| 131 | { |
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| 132 | void* m_ptr; |
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| 133 | int m_uniqueIds[2]; |
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| 134 | }; |
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| 135 | }; |
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| 136 | |
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[8393] | 137 | ///The btDefaultSerializer is the main Bullet serialization class. |
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| 138 | ///The constructor takes an optional argument for backwards compatibility, it is recommended to leave this empty/zero. |
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[7983] | 139 | class btDefaultSerializer : public btSerializer |
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| 140 | { |
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| 141 | |
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| 142 | |
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| 143 | btAlignedObjectArray<char*> mTypes; |
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| 144 | btAlignedObjectArray<short*> mStructs; |
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| 145 | btAlignedObjectArray<short> mTlens; |
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| 146 | btHashMap<btHashInt, int> mStructReverse; |
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| 147 | btHashMap<btHashString,int> mTypeLookup; |
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| 148 | |
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| 149 | |
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| 150 | btHashMap<btHashPtr,void*> m_chunkP; |
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| 151 | |
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| 152 | btHashMap<btHashPtr,const char*> m_nameMap; |
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| 153 | |
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| 154 | btHashMap<btHashPtr,btPointerUid> m_uniquePointers; |
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| 155 | int m_uniqueIdGenerator; |
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| 156 | |
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| 157 | int m_totalSize; |
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| 158 | unsigned char* m_buffer; |
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| 159 | int m_currentSize; |
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| 160 | void* m_dna; |
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| 161 | int m_dnaLength; |
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| 162 | |
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| 163 | int m_serializationFlags; |
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| 164 | |
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| 165 | |
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| 166 | btAlignedObjectArray<btChunk*> m_chunkPtrs; |
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| 167 | |
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| 168 | protected: |
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| 169 | |
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| 170 | virtual void* findPointer(void* oldPtr) |
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| 171 | { |
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| 172 | void** ptr = m_chunkP.find(oldPtr); |
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| 173 | if (ptr && *ptr) |
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| 174 | return *ptr; |
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| 175 | return 0; |
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| 176 | } |
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| 177 | |
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| 178 | |
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| 179 | |
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| 180 | |
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| 181 | |
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| 182 | void writeDNA() |
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| 183 | { |
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| 184 | btChunk* dnaChunk = allocate(m_dnaLength,1); |
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| 185 | memcpy(dnaChunk->m_oldPtr,m_dna,m_dnaLength); |
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| 186 | finalizeChunk(dnaChunk,"DNA1",BT_DNA_CODE, m_dna); |
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| 187 | } |
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| 188 | |
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| 189 | int getReverseType(const char *type) const |
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| 190 | { |
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| 191 | |
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| 192 | btHashString key(type); |
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| 193 | const int* valuePtr = mTypeLookup.find(key); |
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| 194 | if (valuePtr) |
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| 195 | return *valuePtr; |
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| 196 | |
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| 197 | return -1; |
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| 198 | } |
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| 199 | |
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| 200 | void initDNA(const char* bdnaOrg,int dnalen) |
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| 201 | { |
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| 202 | ///was already initialized |
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| 203 | if (m_dna) |
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| 204 | return; |
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| 205 | |
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| 206 | int littleEndian= 1; |
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| 207 | littleEndian= ((char*)&littleEndian)[0]; |
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| 208 | |
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| 209 | |
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| 210 | m_dna = btAlignedAlloc(dnalen,16); |
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| 211 | memcpy(m_dna,bdnaOrg,dnalen); |
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| 212 | m_dnaLength = dnalen; |
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| 213 | |
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| 214 | int *intPtr=0; |
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| 215 | short *shtPtr=0; |
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| 216 | char *cp = 0;int dataLen =0;long nr=0; |
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| 217 | intPtr = (int*)m_dna; |
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| 218 | |
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| 219 | /* |
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| 220 | SDNA (4 bytes) (magic number) |
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| 221 | NAME (4 bytes) |
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| 222 | <nr> (4 bytes) amount of names (int) |
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| 223 | <string> |
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| 224 | <string> |
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| 225 | */ |
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| 226 | |
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| 227 | if (strncmp((const char*)m_dna, "SDNA", 4)==0) |
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| 228 | { |
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| 229 | // skip ++ NAME |
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| 230 | intPtr++; intPtr++; |
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| 231 | } |
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| 232 | |
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| 233 | // Parse names |
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| 234 | if (!littleEndian) |
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| 235 | *intPtr = btSwapEndian(*intPtr); |
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| 236 | |
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| 237 | dataLen = *intPtr; |
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| 238 | |
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| 239 | intPtr++; |
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| 240 | |
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| 241 | cp = (char*)intPtr; |
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| 242 | int i; |
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| 243 | for ( i=0; i<dataLen; i++) |
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| 244 | { |
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| 245 | |
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| 246 | while (*cp)cp++; |
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| 247 | cp++; |
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| 248 | } |
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| 249 | { |
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[11115] | 250 | nr= (long long)cp; |
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[7983] | 251 | // long mask=3; |
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| 252 | nr= ((nr+3)&~3)-nr; |
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| 253 | while (nr--) |
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| 254 | { |
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| 255 | cp++; |
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| 256 | } |
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| 257 | } |
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| 258 | |
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| 259 | /* |
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| 260 | TYPE (4 bytes) |
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| 261 | <nr> amount of types (int) |
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| 262 | <string> |
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| 263 | <string> |
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| 264 | */ |
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| 265 | |
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| 266 | intPtr = (int*)cp; |
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| 267 | assert(strncmp(cp, "TYPE", 4)==0); intPtr++; |
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| 268 | |
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| 269 | if (!littleEndian) |
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| 270 | *intPtr = btSwapEndian(*intPtr); |
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| 271 | |
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| 272 | dataLen = *intPtr; |
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| 273 | intPtr++; |
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| 274 | |
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| 275 | |
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| 276 | cp = (char*)intPtr; |
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| 277 | for (i=0; i<dataLen; i++) |
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| 278 | { |
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| 279 | mTypes.push_back(cp); |
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| 280 | while (*cp)cp++; |
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| 281 | cp++; |
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| 282 | } |
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| 283 | |
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| 284 | { |
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[11115] | 285 | nr= (long long)cp; |
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[7983] | 286 | // long mask=3; |
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| 287 | nr= ((nr+3)&~3)-nr; |
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| 288 | while (nr--) |
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| 289 | { |
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| 290 | cp++; |
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| 291 | } |
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| 292 | } |
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| 293 | |
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| 294 | |
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| 295 | /* |
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| 296 | TLEN (4 bytes) |
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| 297 | <len> (short) the lengths of types |
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| 298 | <len> |
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| 299 | */ |
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| 300 | |
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| 301 | // Parse type lens |
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| 302 | intPtr = (int*)cp; |
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| 303 | assert(strncmp(cp, "TLEN", 4)==0); intPtr++; |
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| 304 | |
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| 305 | dataLen = (int)mTypes.size(); |
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| 306 | |
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| 307 | shtPtr = (short*)intPtr; |
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| 308 | for (i=0; i<dataLen; i++, shtPtr++) |
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| 309 | { |
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| 310 | if (!littleEndian) |
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| 311 | shtPtr[0] = btSwapEndian(shtPtr[0]); |
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| 312 | mTlens.push_back(shtPtr[0]); |
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| 313 | } |
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| 314 | |
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| 315 | if (dataLen & 1) shtPtr++; |
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| 316 | |
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| 317 | /* |
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| 318 | STRC (4 bytes) |
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| 319 | <nr> amount of structs (int) |
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| 320 | <typenr> |
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| 321 | <nr_of_elems> |
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| 322 | <typenr> |
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| 323 | <namenr> |
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| 324 | <typenr> |
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| 325 | <namenr> |
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| 326 | */ |
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| 327 | |
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| 328 | intPtr = (int*)shtPtr; |
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| 329 | cp = (char*)intPtr; |
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| 330 | assert(strncmp(cp, "STRC", 4)==0); intPtr++; |
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| 331 | |
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| 332 | if (!littleEndian) |
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| 333 | *intPtr = btSwapEndian(*intPtr); |
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| 334 | dataLen = *intPtr ; |
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| 335 | intPtr++; |
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| 336 | |
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| 337 | |
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| 338 | shtPtr = (short*)intPtr; |
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| 339 | for (i=0; i<dataLen; i++) |
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| 340 | { |
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| 341 | mStructs.push_back (shtPtr); |
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| 342 | |
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| 343 | if (!littleEndian) |
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| 344 | { |
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| 345 | shtPtr[0]= btSwapEndian(shtPtr[0]); |
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| 346 | shtPtr[1]= btSwapEndian(shtPtr[1]); |
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| 347 | |
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| 348 | int len = shtPtr[1]; |
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| 349 | shtPtr+= 2; |
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| 350 | |
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| 351 | for (int a=0; a<len; a++, shtPtr+=2) |
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| 352 | { |
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| 353 | shtPtr[0]= btSwapEndian(shtPtr[0]); |
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| 354 | shtPtr[1]= btSwapEndian(shtPtr[1]); |
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| 355 | } |
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| 356 | |
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| 357 | } else |
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| 358 | { |
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| 359 | shtPtr+= (2*shtPtr[1])+2; |
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| 360 | } |
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| 361 | } |
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| 362 | |
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| 363 | // build reverse lookups |
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| 364 | for (i=0; i<(int)mStructs.size(); i++) |
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| 365 | { |
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| 366 | short *strc = mStructs.at(i); |
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| 367 | mStructReverse.insert(strc[0], i); |
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| 368 | mTypeLookup.insert(btHashString(mTypes[strc[0]]),i); |
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| 369 | } |
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| 370 | } |
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| 371 | |
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| 372 | public: |
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| 373 | |
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| 374 | |
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| 375 | |
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| 376 | |
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[8393] | 377 | btDefaultSerializer(int totalSize=0) |
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[7983] | 378 | :m_totalSize(totalSize), |
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| 379 | m_currentSize(0), |
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| 380 | m_dna(0), |
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| 381 | m_dnaLength(0), |
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| 382 | m_serializationFlags(0) |
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| 383 | { |
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[8393] | 384 | m_buffer = m_totalSize?(unsigned char*)btAlignedAlloc(totalSize,16):0; |
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[7983] | 385 | |
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| 386 | const bool VOID_IS_8 = ((sizeof(void*)==8)); |
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| 387 | |
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| 388 | #ifdef BT_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES |
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| 389 | if (VOID_IS_8) |
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| 390 | { |
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| 391 | #if _WIN64 |
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| 392 | initDNA((const char*)sBulletDNAstr64,sBulletDNAlen64); |
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| 393 | #else |
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| 394 | btAssert(0); |
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| 395 | #endif |
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| 396 | } else |
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| 397 | { |
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| 398 | #ifndef _WIN64 |
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| 399 | initDNA((const char*)sBulletDNAstr,sBulletDNAlen); |
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| 400 | #else |
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| 401 | btAssert(0); |
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| 402 | #endif |
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| 403 | } |
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| 404 | |
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| 405 | #else //BT_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES |
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| 406 | if (VOID_IS_8) |
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| 407 | { |
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| 408 | initDNA((const char*)sBulletDNAstr64,sBulletDNAlen64); |
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| 409 | } else |
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| 410 | { |
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| 411 | initDNA((const char*)sBulletDNAstr,sBulletDNAlen); |
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| 412 | } |
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| 413 | #endif //BT_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES |
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| 414 | |
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| 415 | } |
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| 416 | |
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| 417 | virtual ~btDefaultSerializer() |
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| 418 | { |
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| 419 | if (m_buffer) |
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| 420 | btAlignedFree(m_buffer); |
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| 421 | if (m_dna) |
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| 422 | btAlignedFree(m_dna); |
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| 423 | } |
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| 424 | |
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[8393] | 425 | void writeHeader(unsigned char* buffer) const |
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[7983] | 426 | { |
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[8393] | 427 | |
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[7983] | 428 | |
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| 429 | #ifdef BT_USE_DOUBLE_PRECISION |
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[8393] | 430 | memcpy(buffer, "BULLETd", 7); |
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[7983] | 431 | #else |
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[8393] | 432 | memcpy(buffer, "BULLETf", 7); |
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[7983] | 433 | #endif //BT_USE_DOUBLE_PRECISION |
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| 434 | |
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| 435 | int littleEndian= 1; |
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| 436 | littleEndian= ((char*)&littleEndian)[0]; |
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| 437 | |
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| 438 | if (sizeof(void*)==8) |
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| 439 | { |
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[8393] | 440 | buffer[7] = '-'; |
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[7983] | 441 | } else |
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| 442 | { |
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[8393] | 443 | buffer[7] = '_'; |
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[7983] | 444 | } |
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| 445 | |
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| 446 | if (littleEndian) |
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| 447 | { |
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[8393] | 448 | buffer[8]='v'; |
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[7983] | 449 | } else |
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| 450 | { |
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[8393] | 451 | buffer[8]='V'; |
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[7983] | 452 | } |
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| 453 | |
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| 454 | |
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[8393] | 455 | buffer[9] = '2'; |
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| 456 | buffer[10] = '7'; |
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| 457 | buffer[11] = '8'; |
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[7983] | 458 | |
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[8393] | 459 | } |
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| 460 | |
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| 461 | virtual void startSerialization() |
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| 462 | { |
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| 463 | m_uniqueIdGenerator= 1; |
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| 464 | if (m_totalSize) |
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| 465 | { |
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| 466 | unsigned char* buffer = internalAlloc(BT_HEADER_LENGTH); |
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| 467 | writeHeader(buffer); |
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| 468 | } |
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[7983] | 469 | |
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| 470 | } |
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| 471 | |
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| 472 | virtual void finishSerialization() |
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| 473 | { |
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| 474 | writeDNA(); |
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| 475 | |
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[8393] | 476 | //if we didn't pre-allocate a buffer, we need to create a contiguous buffer now |
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| 477 | int mysize = 0; |
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| 478 | if (!m_totalSize) |
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| 479 | { |
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| 480 | if (m_buffer) |
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| 481 | btAlignedFree(m_buffer); |
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[7983] | 482 | |
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[8393] | 483 | m_currentSize += BT_HEADER_LENGTH; |
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| 484 | m_buffer = (unsigned char*)btAlignedAlloc(m_currentSize,16); |
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| 485 | |
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| 486 | unsigned char* currentPtr = m_buffer; |
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| 487 | writeHeader(m_buffer); |
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| 488 | currentPtr += BT_HEADER_LENGTH; |
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| 489 | mysize+=BT_HEADER_LENGTH; |
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| 490 | for (int i=0;i< m_chunkPtrs.size();i++) |
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| 491 | { |
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| 492 | int curLength = sizeof(btChunk)+m_chunkPtrs[i]->m_length; |
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| 493 | memcpy(currentPtr,m_chunkPtrs[i], curLength); |
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| 494 | btAlignedFree(m_chunkPtrs[i]); |
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| 495 | currentPtr+=curLength; |
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| 496 | mysize+=curLength; |
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| 497 | } |
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| 498 | } |
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| 499 | |
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[7983] | 500 | mTypes.clear(); |
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| 501 | mStructs.clear(); |
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| 502 | mTlens.clear(); |
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| 503 | mStructReverse.clear(); |
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| 504 | mTypeLookup.clear(); |
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| 505 | m_chunkP.clear(); |
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| 506 | m_nameMap.clear(); |
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| 507 | m_uniquePointers.clear(); |
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[8393] | 508 | m_chunkPtrs.clear(); |
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[7983] | 509 | } |
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| 510 | |
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| 511 | virtual void* getUniquePointer(void*oldPtr) |
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| 512 | { |
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| 513 | if (!oldPtr) |
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| 514 | return 0; |
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| 515 | |
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| 516 | btPointerUid* uptr = (btPointerUid*)m_uniquePointers.find(oldPtr); |
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| 517 | if (uptr) |
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| 518 | { |
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| 519 | return uptr->m_ptr; |
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| 520 | } |
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| 521 | m_uniqueIdGenerator++; |
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| 522 | |
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| 523 | btPointerUid uid; |
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| 524 | uid.m_uniqueIds[0] = m_uniqueIdGenerator; |
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| 525 | uid.m_uniqueIds[1] = m_uniqueIdGenerator; |
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| 526 | m_uniquePointers.insert(oldPtr,uid); |
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| 527 | return uid.m_ptr; |
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| 528 | |
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| 529 | } |
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| 530 | |
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| 531 | virtual const unsigned char* getBufferPointer() const |
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| 532 | { |
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| 533 | return m_buffer; |
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| 534 | } |
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| 535 | |
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| 536 | virtual int getCurrentBufferSize() const |
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| 537 | { |
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| 538 | return m_currentSize; |
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| 539 | } |
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| 540 | |
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| 541 | virtual void finalizeChunk(btChunk* chunk, const char* structType, int chunkCode,void* oldPtr) |
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| 542 | { |
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| 543 | if (!(m_serializationFlags&BT_SERIALIZE_NO_DUPLICATE_ASSERT)) |
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| 544 | { |
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| 545 | btAssert(!findPointer(oldPtr)); |
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| 546 | } |
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| 547 | |
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| 548 | chunk->m_dna_nr = getReverseType(structType); |
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| 549 | |
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| 550 | chunk->m_chunkCode = chunkCode; |
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| 551 | |
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| 552 | void* uniquePtr = getUniquePointer(oldPtr); |
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| 553 | |
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| 554 | m_chunkP.insert(oldPtr,uniquePtr);//chunk->m_oldPtr); |
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| 555 | chunk->m_oldPtr = uniquePtr;//oldPtr; |
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| 556 | |
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| 557 | } |
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| 558 | |
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| 559 | |
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[8393] | 560 | virtual unsigned char* internalAlloc(size_t size) |
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| 561 | { |
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| 562 | unsigned char* ptr = 0; |
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[7983] | 563 | |
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[8393] | 564 | if (m_totalSize) |
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| 565 | { |
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| 566 | ptr = m_buffer+m_currentSize; |
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| 567 | m_currentSize += int(size); |
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| 568 | btAssert(m_currentSize<m_totalSize); |
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| 569 | } else |
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| 570 | { |
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| 571 | ptr = (unsigned char*)btAlignedAlloc(size,16); |
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| 572 | m_currentSize += int(size); |
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| 573 | } |
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| 574 | return ptr; |
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| 575 | } |
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| 576 | |
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[7983] | 577 | |
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| 578 | |
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| 579 | virtual btChunk* allocate(size_t size, int numElements) |
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| 580 | { |
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| 581 | |
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[8393] | 582 | unsigned char* ptr = internalAlloc(int(size)*numElements+sizeof(btChunk)); |
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[7983] | 583 | |
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| 584 | unsigned char* data = ptr + sizeof(btChunk); |
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| 585 | |
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| 586 | btChunk* chunk = (btChunk*)ptr; |
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| 587 | chunk->m_chunkCode = 0; |
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| 588 | chunk->m_oldPtr = data; |
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| 589 | chunk->m_length = int(size)*numElements; |
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| 590 | chunk->m_number = numElements; |
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| 591 | |
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| 592 | m_chunkPtrs.push_back(chunk); |
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| 593 | |
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| 594 | |
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| 595 | return chunk; |
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| 596 | } |
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| 597 | |
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| 598 | virtual const char* findNameForPointer(const void* ptr) const |
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| 599 | { |
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| 600 | const char*const * namePtr = m_nameMap.find(ptr); |
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| 601 | if (namePtr && *namePtr) |
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| 602 | return *namePtr; |
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| 603 | return 0; |
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| 604 | |
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| 605 | } |
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| 606 | |
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| 607 | virtual void registerNameForPointer(const void* ptr, const char* name) |
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| 608 | { |
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| 609 | m_nameMap.insert(ptr,name); |
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| 610 | } |
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| 611 | |
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| 612 | virtual void serializeName(const char* name) |
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| 613 | { |
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| 614 | if (name) |
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| 615 | { |
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| 616 | //don't serialize name twice |
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| 617 | if (findPointer((void*)name)) |
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| 618 | return; |
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| 619 | |
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| 620 | int len = btStrLen(name); |
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| 621 | if (len) |
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| 622 | { |
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| 623 | |
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| 624 | int newLen = len+1; |
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| 625 | int padding = ((newLen+3)&~3)-newLen; |
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| 626 | newLen += padding; |
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| 627 | |
---|
| 628 | //serialize name string now |
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| 629 | btChunk* chunk = allocate(sizeof(char),newLen); |
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| 630 | char* destinationName = (char*)chunk->m_oldPtr; |
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| 631 | for (int i=0;i<len;i++) |
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| 632 | { |
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| 633 | destinationName[i] = name[i]; |
---|
| 634 | } |
---|
| 635 | destinationName[len] = 0; |
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| 636 | finalizeChunk(chunk,"char",BT_ARRAY_CODE,(void*)name); |
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| 637 | } |
---|
| 638 | } |
---|
| 639 | } |
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| 640 | |
---|
| 641 | virtual int getSerializationFlags() const |
---|
| 642 | { |
---|
| 643 | return m_serializationFlags; |
---|
| 644 | } |
---|
| 645 | |
---|
| 646 | virtual void setSerializationFlags(int flags) |
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| 647 | { |
---|
| 648 | m_serializationFlags = flags; |
---|
| 649 | } |
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| 650 | |
---|
| 651 | }; |
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| 652 | |
---|
| 653 | |
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| 654 | #endif //BT_SERIALIZER_H |
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| 655 | |
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