diff options
Diffstat (limited to 'thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3Serializer.h')
-rw-r--r-- | thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3Serializer.h | 601 |
1 files changed, 0 insertions, 601 deletions
diff --git a/thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3Serializer.h b/thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3Serializer.h deleted file mode 100644 index d9e153e238..0000000000 --- a/thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3Serializer.h +++ /dev/null @@ -1,601 +0,0 @@ -/* -Bullet Continuous Collision Detection and Physics Library -Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org - -This software is provided 'as-is', without any express or implied warranty. -In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, -subject to the following restrictions: - -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. -2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. -3. This notice may not be removed or altered from any source distribution. -*/ - -#ifndef B3_SERIALIZER_H -#define B3_SERIALIZER_H - -#include "Bullet3Common/b3Scalar.h" // has definitions like B3_FORCE_INLINE -#include "Bullet3Common/b3StackAlloc.h" -#include "Bullet3Common/b3HashMap.h" - -#if !defined(__CELLOS_LV2__) && !defined(__MWERKS__) -#include <memory.h> -#endif -#include <string.h> - -extern char b3s_bulletDNAstr[]; -extern int b3s_bulletDNAlen; -extern char b3s_bulletDNAstr64[]; -extern int b3s_bulletDNAlen64; - -B3_FORCE_INLINE int b3StrLen(const char* str) -{ - if (!str) - return (0); - int len = 0; - - while (*str != 0) - { - str++; - len++; - } - - return len; -} - -class b3Chunk -{ -public: - int m_chunkCode; - int m_length; - void* m_oldPtr; - int m_dna_nr; - int m_number; -}; - -enum b3SerializationFlags -{ - B3_SERIALIZE_NO_BVH = 1, - B3_SERIALIZE_NO_TRIANGLEINFOMAP = 2, - B3_SERIALIZE_NO_DUPLICATE_ASSERT = 4 -}; - -class b3Serializer -{ -public: - virtual ~b3Serializer() {} - - virtual const unsigned char* getBufferPointer() const = 0; - - virtual int getCurrentBufferSize() const = 0; - - virtual b3Chunk* allocate(size_t size, int numElements) = 0; - - virtual void finalizeChunk(b3Chunk* chunk, const char* structType, int chunkCode, void* oldPtr) = 0; - - virtual void* findPointer(void* oldPtr) = 0; - - virtual void* getUniquePointer(void* oldPtr) = 0; - - virtual void startSerialization() = 0; - - virtual void finishSerialization() = 0; - - virtual const char* findNameForPointer(const void* ptr) const = 0; - - virtual void registerNameForPointer(const void* ptr, const char* name) = 0; - - virtual void serializeName(const char* ptr) = 0; - - virtual int getSerializationFlags() const = 0; - - virtual void setSerializationFlags(int flags) = 0; -}; - -#define B3_HEADER_LENGTH 12 -#if defined(__sgi) || defined(__sparc) || defined(__sparc__) || defined(__PPC__) || defined(__ppc__) || defined(__BIG_ENDIAN__) -#define B3_MAKE_ID(a, b, c, d) ((int)(a) << 24 | (int)(b) << 16 | (c) << 8 | (d)) -#else -#define B3_MAKE_ID(a, b, c, d) ((int)(d) << 24 | (int)(c) << 16 | (b) << 8 | (a)) -#endif - -#define B3_SOFTBODY_CODE B3_MAKE_ID('S', 'B', 'D', 'Y') -#define B3_COLLISIONOBJECT_CODE B3_MAKE_ID('C', 'O', 'B', 'J') -#define B3_RIGIDBODY_CODE B3_MAKE_ID('R', 'B', 'D', 'Y') -#define B3_CONSTRAINT_CODE B3_MAKE_ID('C', 'O', 'N', 'S') -#define B3_BOXSHAPE_CODE B3_MAKE_ID('B', 'O', 'X', 'S') -#define B3_QUANTIZED_BVH_CODE B3_MAKE_ID('Q', 'B', 'V', 'H') -#define B3_TRIANLGE_INFO_MAP B3_MAKE_ID('T', 'M', 'A', 'P') -#define B3_SHAPE_CODE B3_MAKE_ID('S', 'H', 'A', 'P') -#define B3_ARRAY_CODE B3_MAKE_ID('A', 'R', 'A', 'Y') -#define B3_SBMATERIAL_CODE B3_MAKE_ID('S', 'B', 'M', 'T') -#define B3_SBNODE_CODE B3_MAKE_ID('S', 'B', 'N', 'D') -#define B3_DYNAMICSWORLD_CODE B3_MAKE_ID('D', 'W', 'L', 'D') -#define B3_DNA_CODE B3_MAKE_ID('D', 'N', 'A', '1') - -struct b3PointerUid -{ - union { - void* m_ptr; - int m_uniqueIds[2]; - }; -}; - -///The b3DefaultSerializer is the main Bullet serialization class. -///The constructor takes an optional argument for backwards compatibility, it is recommended to leave this empty/zero. -class b3DefaultSerializer : public b3Serializer -{ - b3AlignedObjectArray<char*> mTypes; - b3AlignedObjectArray<short*> mStructs; - b3AlignedObjectArray<short> mTlens; - b3HashMap<b3HashInt, int> mStructReverse; - b3HashMap<b3HashString, int> mTypeLookup; - - b3HashMap<b3HashPtr, void*> m_chunkP; - - b3HashMap<b3HashPtr, const char*> m_nameMap; - - b3HashMap<b3HashPtr, b3PointerUid> m_uniquePointers; - int m_uniqueIdGenerator; - - int m_totalSize; - unsigned char* m_buffer; - int m_currentSize; - void* m_dna; - int m_dnaLength; - - int m_serializationFlags; - - b3AlignedObjectArray<b3Chunk*> m_chunkPtrs; - -protected: - virtual void* findPointer(void* oldPtr) - { - void** ptr = m_chunkP.find(oldPtr); - if (ptr && *ptr) - return *ptr; - return 0; - } - - void writeDNA() - { - b3Chunk* dnaChunk = allocate(m_dnaLength, 1); - memcpy(dnaChunk->m_oldPtr, m_dna, m_dnaLength); - finalizeChunk(dnaChunk, "DNA1", B3_DNA_CODE, m_dna); - } - - int getReverseType(const char* type) const - { - b3HashString key(type); - const int* valuePtr = mTypeLookup.find(key); - if (valuePtr) - return *valuePtr; - - return -1; - } - - void initDNA(const char* bdnaOrg, int dnalen) - { - ///was already initialized - if (m_dna) - return; - - int littleEndian = 1; - littleEndian = ((char*)&littleEndian)[0]; - - m_dna = b3AlignedAlloc(dnalen, 16); - memcpy(m_dna, bdnaOrg, dnalen); - m_dnaLength = dnalen; - - int* intPtr = 0; - short* shtPtr = 0; - char* cp = 0; - int dataLen = 0; - intPtr = (int*)m_dna; - - /* - SDNA (4 bytes) (magic number) - NAME (4 bytes) - <nr> (4 bytes) amount of names (int) - <string> - <string> - */ - - if (strncmp((const char*)m_dna, "SDNA", 4) == 0) - { - // skip ++ NAME - intPtr++; - intPtr++; - } - - // Parse names - if (!littleEndian) - *intPtr = b3SwapEndian(*intPtr); - - dataLen = *intPtr; - - intPtr++; - - cp = (char*)intPtr; - int i; - for (i = 0; i < dataLen; i++) - { - while (*cp) cp++; - cp++; - } - cp = b3AlignPointer(cp, 4); - - /* - TYPE (4 bytes) - <nr> amount of types (int) - <string> - <string> - */ - - intPtr = (int*)cp; - b3Assert(strncmp(cp, "TYPE", 4) == 0); - intPtr++; - - if (!littleEndian) - *intPtr = b3SwapEndian(*intPtr); - - dataLen = *intPtr; - intPtr++; - - cp = (char*)intPtr; - for (i = 0; i < dataLen; i++) - { - mTypes.push_back(cp); - while (*cp) cp++; - cp++; - } - - cp = b3AlignPointer(cp, 4); - - /* - TLEN (4 bytes) - <len> (short) the lengths of types - <len> - */ - - // Parse type lens - intPtr = (int*)cp; - b3Assert(strncmp(cp, "TLEN", 4) == 0); - intPtr++; - - dataLen = (int)mTypes.size(); - - shtPtr = (short*)intPtr; - for (i = 0; i < dataLen; i++, shtPtr++) - { - if (!littleEndian) - shtPtr[0] = b3SwapEndian(shtPtr[0]); - mTlens.push_back(shtPtr[0]); - } - - if (dataLen & 1) shtPtr++; - - /* - STRC (4 bytes) - <nr> amount of structs (int) - <typenr> - <nr_of_elems> - <typenr> - <namenr> - <typenr> - <namenr> - */ - - intPtr = (int*)shtPtr; - cp = (char*)intPtr; - b3Assert(strncmp(cp, "STRC", 4) == 0); - intPtr++; - - if (!littleEndian) - *intPtr = b3SwapEndian(*intPtr); - dataLen = *intPtr; - intPtr++; - - shtPtr = (short*)intPtr; - for (i = 0; i < dataLen; i++) - { - mStructs.push_back(shtPtr); - - if (!littleEndian) - { - shtPtr[0] = b3SwapEndian(shtPtr[0]); - shtPtr[1] = b3SwapEndian(shtPtr[1]); - - int len = shtPtr[1]; - shtPtr += 2; - - for (int a = 0; a < len; a++, shtPtr += 2) - { - shtPtr[0] = b3SwapEndian(shtPtr[0]); - shtPtr[1] = b3SwapEndian(shtPtr[1]); - } - } - else - { - shtPtr += (2 * shtPtr[1]) + 2; - } - } - - // build reverse lookups - for (i = 0; i < (int)mStructs.size(); i++) - { - short* strc = mStructs.at(i); - mStructReverse.insert(strc[0], i); - mTypeLookup.insert(b3HashString(mTypes[strc[0]]), i); - } - } - -public: - b3DefaultSerializer(int totalSize = 0) - : m_totalSize(totalSize), - m_currentSize(0), - m_dna(0), - m_dnaLength(0), - m_serializationFlags(0) - { - m_buffer = m_totalSize ? (unsigned char*)b3AlignedAlloc(totalSize, 16) : 0; - - const bool VOID_IS_8 = ((sizeof(void*) == 8)); - -#ifdef B3_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES - if (VOID_IS_8) - { -#if _WIN64 - initDNA((const char*)b3s_bulletDNAstr64, b3s_bulletDNAlen64); -#else - b3Assert(0); -#endif - } - else - { -#ifndef _WIN64 - initDNA((const char*)b3s_bulletDNAstr, b3s_bulletDNAlen); -#else - b3Assert(0); -#endif - } - -#else //B3_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES - if (VOID_IS_8) - { - initDNA((const char*)b3s_bulletDNAstr64, b3s_bulletDNAlen64); - } - else - { - initDNA((const char*)b3s_bulletDNAstr, b3s_bulletDNAlen); - } -#endif //B3_INTERNAL_UPDATE_SERIALIZATION_STRUCTURES - } - - virtual ~b3DefaultSerializer() - { - if (m_buffer) - b3AlignedFree(m_buffer); - if (m_dna) - b3AlignedFree(m_dna); - } - - void writeHeader(unsigned char* buffer) const - { -#ifdef B3_USE_DOUBLE_PRECISION - memcpy(buffer, "BULLETd", 7); -#else - memcpy(buffer, "BULLETf", 7); -#endif //B3_USE_DOUBLE_PRECISION - - int littleEndian = 1; - littleEndian = ((char*)&littleEndian)[0]; - - if (sizeof(void*) == 8) - { - buffer[7] = '-'; - } - else - { - buffer[7] = '_'; - } - - if (littleEndian) - { - buffer[8] = 'v'; - } - else - { - buffer[8] = 'V'; - } - - buffer[9] = '2'; - buffer[10] = '8'; - buffer[11] = '1'; - } - - virtual void startSerialization() - { - m_uniqueIdGenerator = 1; - if (m_totalSize) - { - unsigned char* buffer = internalAlloc(B3_HEADER_LENGTH); - writeHeader(buffer); - } - } - - virtual void finishSerialization() - { - writeDNA(); - - //if we didn't pre-allocate a buffer, we need to create a contiguous buffer now - int mysize = 0; - if (!m_totalSize) - { - if (m_buffer) - b3AlignedFree(m_buffer); - - m_currentSize += B3_HEADER_LENGTH; - m_buffer = (unsigned char*)b3AlignedAlloc(m_currentSize, 16); - - unsigned char* currentPtr = m_buffer; - writeHeader(m_buffer); - currentPtr += B3_HEADER_LENGTH; - mysize += B3_HEADER_LENGTH; - for (int i = 0; i < m_chunkPtrs.size(); i++) - { - int curLength = sizeof(b3Chunk) + m_chunkPtrs[i]->m_length; - memcpy(currentPtr, m_chunkPtrs[i], curLength); - b3AlignedFree(m_chunkPtrs[i]); - currentPtr += curLength; - mysize += curLength; - } - } - - mTypes.clear(); - mStructs.clear(); - mTlens.clear(); - mStructReverse.clear(); - mTypeLookup.clear(); - m_chunkP.clear(); - m_nameMap.clear(); - m_uniquePointers.clear(); - m_chunkPtrs.clear(); - } - - virtual void* getUniquePointer(void* oldPtr) - { - if (!oldPtr) - return 0; - - b3PointerUid* uptr = (b3PointerUid*)m_uniquePointers.find(oldPtr); - if (uptr) - { - return uptr->m_ptr; - } - m_uniqueIdGenerator++; - - b3PointerUid uid; - uid.m_uniqueIds[0] = m_uniqueIdGenerator; - uid.m_uniqueIds[1] = m_uniqueIdGenerator; - m_uniquePointers.insert(oldPtr, uid); - return uid.m_ptr; - } - - virtual const unsigned char* getBufferPointer() const - { - return m_buffer; - } - - virtual int getCurrentBufferSize() const - { - return m_currentSize; - } - - virtual void finalizeChunk(b3Chunk* chunk, const char* structType, int chunkCode, void* oldPtr) - { - if (!(m_serializationFlags & B3_SERIALIZE_NO_DUPLICATE_ASSERT)) - { - b3Assert(!findPointer(oldPtr)); - } - - chunk->m_dna_nr = getReverseType(structType); - - chunk->m_chunkCode = chunkCode; - - void* uniquePtr = getUniquePointer(oldPtr); - - m_chunkP.insert(oldPtr, uniquePtr); //chunk->m_oldPtr); - chunk->m_oldPtr = uniquePtr; //oldPtr; - } - - virtual unsigned char* internalAlloc(size_t size) - { - unsigned char* ptr = 0; - - if (m_totalSize) - { - ptr = m_buffer + m_currentSize; - m_currentSize += int(size); - b3Assert(m_currentSize < m_totalSize); - } - else - { - ptr = (unsigned char*)b3AlignedAlloc(size, 16); - m_currentSize += int(size); - } - return ptr; - } - - virtual b3Chunk* allocate(size_t size, int numElements) - { - unsigned char* ptr = internalAlloc(int(size) * numElements + sizeof(b3Chunk)); - - unsigned char* data = ptr + sizeof(b3Chunk); - - b3Chunk* chunk = (b3Chunk*)ptr; - chunk->m_chunkCode = 0; - chunk->m_oldPtr = data; - chunk->m_length = int(size) * numElements; - chunk->m_number = numElements; - - m_chunkPtrs.push_back(chunk); - - return chunk; - } - - virtual const char* findNameForPointer(const void* ptr) const - { - const char* const* namePtr = m_nameMap.find(ptr); - if (namePtr && *namePtr) - return *namePtr; - return 0; - } - - virtual void registerNameForPointer(const void* ptr, const char* name) - { - m_nameMap.insert(ptr, name); - } - - virtual void serializeName(const char* name) - { - if (name) - { - //don't serialize name twice - if (findPointer((void*)name)) - return; - - int len = b3StrLen(name); - if (len) - { - int newLen = len + 1; - int padding = ((newLen + 3) & ~3) - newLen; - newLen += padding; - - //serialize name string now - b3Chunk* chunk = allocate(sizeof(char), newLen); - char* destinationName = (char*)chunk->m_oldPtr; - for (int i = 0; i < len; i++) - { - destinationName[i] = name[i]; - } - destinationName[len] = 0; - finalizeChunk(chunk, "char", B3_ARRAY_CODE, (void*)name); - } - } - } - - virtual int getSerializationFlags() const - { - return m_serializationFlags; - } - - virtual void setSerializationFlags(int flags) - { - m_serializationFlags = flags; - } -}; - -#endif //B3_SERIALIZER_H |