worked a bit more on the serialization, and added a preliminary SerializeDemo.
This commit is contained in:
erwin.coumans
251
Demos/SerializeDemo/btBulletFile.cpp
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251
Demos/SerializeDemo/btBulletFile.cpp
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/*
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bParse
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Copyright (c) 2006-2010 Erwin Coumans http://gamekit.googlecode.com
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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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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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "btBulletFile.h"
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#include "bDefines.h"
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#include "bDNA.h"
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#include <string.h>
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// 32 && 64 bit versions
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extern unsigned char sBulletDNAstr[];
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extern int sBulletDNAlen;
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//not yetto. extern unsigned char DNAstr64[];
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//not yetto. extern int DNAlen64;
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using namespace bParse;
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btBulletFile::btBulletFile()
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:bFile("", "BULLET ")
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{
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mMemoryDNA = new bDNA();
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mMemoryDNA->init((char*)sBulletDNAstr,sBulletDNAlen);
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}
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btBulletFile::btBulletFile(const char* fileName)
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:bFile(fileName, "BULLET ")
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{
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}
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btBulletFile::btBulletFile(char *memoryBuffer, int len)
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:bFile(memoryBuffer,len, "BULLET ")
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{
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}
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btBulletFile::~btBulletFile()
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{
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}
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// ----------------------------------------------------- //
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void btBulletFile::parseData()
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{
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printf ("Building datablocks");
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printf ("Chunk size = %d",CHUNK_HEADER_LEN);
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printf ("File chunk size = %d",ChunkUtils::getOffset(mFlags));
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const bool swap = (mFlags&FD_ENDIAN_SWAP)!=0;
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mDataStart = 12;
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char *dataPtr = mFileBuffer+mDataStart;
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bChunkInd dataChunk;
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dataChunk.code = 0;
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//dataPtr += ChunkUtils::getNextBlock(&dataChunk, dataPtr, mFlags);
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int seek = ChunkUtils::getNextBlock(&dataChunk, dataPtr, mFlags);
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//dataPtr += ChunkUtils::getOffset(mFlags);
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char *dataPtrHead = 0;
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while (dataChunk.code != DNA1)
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{
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// one behind
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if (dataChunk.code == SDNA) break;
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//if (dataChunk.code == DNA1) break;
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// same as (BHEAD+DATA dependancy)
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dataPtrHead = dataPtr+ChunkUtils::getOffset(mFlags);
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char *id = readStruct(dataPtrHead, dataChunk);
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// lookup maps
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if (id)
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{
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mLibPointers.insert(dataChunk.oldPtr, (bStructHandle*)id);
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m_chunks.push_back(dataChunk);
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// block it
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//bListBasePtr *listID = mMain->getListBasePtr(dataChunk.code);
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//if (listID)
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// listID->push_back((bStructHandle*)id);
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}
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if (dataChunk.code == BT_RIGIDBODY_CODE)
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{
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m_rigidBodies.push_back((bStructHandle*) id);
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}
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if (dataChunk.code == BT_COLLISIONOBJECT_CODE)
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{
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m_collisionObjects.push_back((bStructHandle*) id);
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}
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if (dataChunk.code == BT_BOXSHAPE_CODE)
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{
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m_collisionShapes.push_back((bStructHandle*) id);
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}
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// if (dataChunk.code == GLOB)
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// {
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// m_glob = (bStructHandle*) id;
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// }
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// next please!
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dataPtr += seek;
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seek = ChunkUtils::getNextBlock(&dataChunk, dataPtr, mFlags);
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if (seek < 0)
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break;
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}
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}
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void btBulletFile::addDataBlock(char* dataBlock)
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{
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//mMain->addDatablock(dataBlock);
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}
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void btBulletFile::writeDNA(FILE* fp)
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{
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bChunkInd dataChunk;
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dataChunk.code = DNA1;
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dataChunk.dna_nr = 0;
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dataChunk.nr = 1;
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if (VOID_IS_8)
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{
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//dataChunk.len = DNAlen64;
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//dataChunk.oldPtr = DNAstr64;
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//fwrite(&dataChunk,sizeof(bChunkInd),1,fp);
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//fwrite(DNAstr64, DNAlen64,1,fp);
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}
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else
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{
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dataChunk.len = sBulletDNAlen;
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dataChunk.oldPtr = sBulletDNAstr;
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fwrite(&dataChunk,sizeof(bChunkInd),1,fp);
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fwrite(sBulletDNAstr, sBulletDNAlen,1,fp);
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}
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}
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void btBulletFile::parse(bool verboseDumpAllTypes)
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{
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if (VOID_IS_8)
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{
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exit(0);
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//parseInternal(verboseDumpAllTypes,(char*)DNAstr64,DNAlen64);
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}
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else
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{
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parseInternal(verboseDumpAllTypes,(char*)sBulletDNAstr,sBulletDNAlen);
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}
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}
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// experimental
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int btBulletFile::write(const char* fileName, bool fixupPointers)
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{
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FILE *fp = fopen(fileName, "wb");
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if (fp)
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{
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char header[SIZEOFBLENDERHEADER] ;
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memcpy(header, m_headerString, 7);
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int endian= 1;
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endian= ((char*)&endian)[0];
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if (endian)
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{
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header[7] = '_';
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} else
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{
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header[7] = '-';
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}
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if (VOID_IS_8)
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{
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header[8]='V';
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} else
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{
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header[8]='v';
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}
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header[9] = '2';
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header[10] = '7';
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header[11] = '5';
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fwrite(header,SIZEOFBLENDERHEADER,1,fp);
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writeChunks(fp, fixupPointers);
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writeDNA(fp);
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fclose(fp);
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} else
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{
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printf("Error: cannot open file %s for writing\n",fileName);
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return 0;
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}
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return 1;
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}
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void btBulletFile::addStruct(const char* structType,void* data, int len, void* oldPtr, int code)
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{
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bParse::bChunkInd dataChunk;
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dataChunk.code = code;
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dataChunk.nr = 1;
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dataChunk.len = len;
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dataChunk.dna_nr = mMemoryDNA->getReverseType(structType);
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dataChunk.oldPtr = oldPtr;
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///Perform structure size validation
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short* structInfo= mMemoryDNA->getStruct(dataChunk.dna_nr);
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int elemBytes = mMemoryDNA->getLength(structInfo[0]);
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// int elemBytes = mMemoryDNA->getElementSize(structInfo[0],structInfo[1]);
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assert(len==elemBytes);
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mLibPointers.insert(dataChunk.oldPtr, (bStructHandle*)data);
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m_chunks.push_back(dataChunk);
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}
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