From e12c89e8c9896b2e5cdd70dbd2d2acb449ff4b94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Sat, 13 Jan 2018 14:01:53 +0100
Subject: bullet: Streamline bundling, remove extraneous src/ folder

Document version and how to extract sources in thirdparty/README.md.
Drop unnecessary CMake and Premake files.
Simplify SCsub, drop unused one.
---
 .../Bullet3Serialize/Bullet2FileLoader/b3File.cpp  | 1739 ++++++++++++++++++++
 1 file changed, 1739 insertions(+)
 create mode 100644 thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3File.cpp

(limited to 'thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3File.cpp')

diff --git a/thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3File.cpp b/thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3File.cpp
new file mode 100644
index 0000000000..432f7fc2b4
--- /dev/null
+++ b/thirdparty/bullet/Bullet3Serialize/Bullet2FileLoader/b3File.cpp
@@ -0,0 +1,1739 @@
+/*
+bParse
+Copyright (c) 2006-2009 Charlie C & Erwin Coumans  http://gamekit.googlecode.com
+
+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.
+*/
+#include "b3File.h"
+#include "b3Common.h"
+#include "b3Chunk.h"
+#include "b3DNA.h"
+#include <math.h>
+#include <string.h>
+#include <stdlib.h>
+#include "b3Defines.h"
+#include "Bullet3Serialize/Bullet2FileLoader/b3Serializer.h"
+#include "Bullet3Common/b3AlignedAllocator.h"
+#include "Bullet3Common/b3MinMax.h"
+
+#define B3_SIZEOFBLENDERHEADER 12
+#define MAX_ARRAY_LENGTH 512
+using namespace bParse;
+#define MAX_STRLEN 1024
+
+const char* getCleanName(const char* memName, char* buffer)
+{
+	int slen = strlen(memName);
+	assert(slen<MAX_STRLEN);
+	slen=b3Min(slen,MAX_STRLEN);
+	for (int i=0;i<slen;i++)
+	{
+		if (memName[i]==']'||memName[i]=='[')
+		{
+			buffer[i] = 0;//'_';
+		} else
+		{
+			buffer[i] = memName[i];
+		}
+	}
+	buffer[slen]=0;
+	return buffer;
+}
+
+
+
+// ----------------------------------------------------- //
+bFile::bFile(const char *filename, const char headerString[7])
+	:	mOwnsBuffer(true),
+		mFileBuffer(0),
+		mFileLen(0),
+		mVersion(0),
+		mDataStart(0),
+		mFileDNA(0),
+		mMemoryDNA(0),
+		mFlags(FD_INVALID)
+{
+	for (int i=0;i<7;i++)
+	{
+		m_headerString[i] = headerString[i];
+	}
+
+	FILE *fp = fopen(filename, "rb");
+	if (fp)
+	{
+		fseek(fp, 0L, SEEK_END);
+		mFileLen = ftell(fp);
+		fseek(fp, 0L, SEEK_SET);
+
+		mFileBuffer = (char*)malloc(mFileLen+1);
+		int bytesRead;
+		bytesRead = fread(mFileBuffer, mFileLen, 1, fp);
+
+		fclose(fp);
+
+		//
+		parseHeader();
+
+	}
+}
+
+// ----------------------------------------------------- //
+bFile::bFile( char *memoryBuffer, int len, const char headerString[7])
+:	mOwnsBuffer(false),
+	mFileBuffer(0),
+		mFileLen(0),
+		mVersion(0),
+		mDataStart(0),
+		mFileDNA(0),
+		mMemoryDNA(0),
+		mFlags(FD_INVALID)
+{
+	for (int i=0;i<7;i++)
+	{
+		m_headerString[i] = headerString[i];
+	}
+	mFileBuffer = memoryBuffer;
+	mFileLen = len;
+
+	parseHeader();
+
+}
+
+
+// ----------------------------------------------------- //
+bFile::~bFile()
+{
+	if (mOwnsBuffer && mFileBuffer)
+	{
+		free(mFileBuffer);
+		mFileBuffer = 0;
+	}
+
+
+	delete mMemoryDNA;
+	delete mFileDNA;
+}
+
+
+
+
+
+// ----------------------------------------------------- //
+void bFile::parseHeader()
+{
+	if (!mFileLen || !mFileBuffer)
+		return;
+
+	char *blenderBuf = mFileBuffer;
+	char header[B3_SIZEOFBLENDERHEADER+1] ;
+	memcpy(header, blenderBuf, B3_SIZEOFBLENDERHEADER);
+	header[B3_SIZEOFBLENDERHEADER]='\0';
+
+	if (strncmp(header, m_headerString, 6)!=0)
+	{
+		memcpy(header, m_headerString, B3_SIZEOFBLENDERHEADER);
+		return;
+	}
+
+	if (header[6] == 'd')
+	{
+		mFlags |= FD_DOUBLE_PRECISION;
+	}
+
+	char *ver = header+9;
+	mVersion = atoi(ver);
+	if (mVersion <= 241)
+	{
+		//printf("Warning, %d not fully tested : <= 242\n", mVersion);
+	}
+
+	int littleEndian= 1;
+	littleEndian= ((char*)&littleEndian)[0];
+
+	// swap ptr sizes...
+	if (header[7]=='-')
+	{
+		mFlags |= FD_FILE_64;
+		if (!VOID_IS_8)
+			mFlags |= FD_BITS_VARIES;
+	}
+	else if (VOID_IS_8) mFlags |= FD_BITS_VARIES;
+
+	// swap endian...
+	if (header[8]=='V')
+	{
+		if (littleEndian ==1)
+			mFlags |= FD_ENDIAN_SWAP;
+	}
+	else
+		if (littleEndian==0)
+			mFlags |= FD_ENDIAN_SWAP;
+
+
+	mFlags |= FD_OK;
+}
+
+// ----------------------------------------------------- //
+bool bFile::ok()
+{
+	return (mFlags &FD_OK)!=0;
+}
+
+// ----------------------------------------------------- //
+void bFile::parseInternal(int verboseMode, char* memDna,int memDnaLength)
+{
+	if ( (mFlags &FD_OK) ==0)
+		return;
+
+	char *blenderData = mFileBuffer;
+	bChunkInd dna;
+	dna.oldPtr = 0;
+
+	char *tempBuffer = blenderData;
+	for (int i=0; i<mFileLen; i++)
+	{
+		// looking for the data's starting position
+		// and the start of SDNA decls
+
+		if (!mDataStart && strncmp(tempBuffer, "REND", 4)==0)
+			mDataStart = i;
+
+		if (strncmp(tempBuffer, "DNA1", 4)==0)
+		{
+			// read the DNA1 block and extract SDNA
+			if (getNextBlock(&dna, tempBuffer, mFlags) > 0)
+			{
+				if (strncmp((tempBuffer + ChunkUtils::getOffset(mFlags)), "SDNANAME", 8) ==0)
+					dna.oldPtr = (tempBuffer + ChunkUtils::getOffset(mFlags));
+				else dna.oldPtr = 0;
+			}
+			else dna.oldPtr = 0;
+		}
+		// Some Bullet files are missing the DNA1 block
+		// In Blender it's DNA1 + ChunkUtils::getOffset() + SDNA + NAME
+		// In Bullet tests its SDNA + NAME
+		else if (strncmp(tempBuffer, "SDNANAME", 8) ==0)
+		{
+			dna.oldPtr = blenderData + i;
+			dna.len = mFileLen-i;
+
+			// Also no REND block, so exit now.
+			if (mVersion==276) break;
+		}
+
+        if (mDataStart && dna.oldPtr) break;
+		tempBuffer++;
+	}
+	if (!dna.oldPtr || !dna.len)
+	{
+		//printf("Failed to find DNA1+SDNA pair\n");
+		mFlags &= ~FD_OK;
+		return;
+	}
+
+
+	mFileDNA = new bDNA();
+
+
+	///mFileDNA->init will convert part of DNA file endianness to current CPU endianness if necessary
+	mFileDNA->init((char*)dna.oldPtr, dna.len, (mFlags & FD_ENDIAN_SWAP)!=0);
+
+
+	if (mVersion==276)
+	{
+		int i;
+		for (i=0;i<mFileDNA->getNumNames();i++)
+		{
+			if (strcmp(mFileDNA->getName(i),"int")==0)
+			{
+				mFlags |= FD_BROKEN_DNA;
+			}
+		}
+		if ((mFlags&FD_BROKEN_DNA)!=0)
+		{
+			//printf("warning: fixing some broken DNA version\n");
+		}
+	}
+
+
+
+	if (verboseMode & FD_VERBOSE_DUMP_DNA_TYPE_DEFINITIONS)
+		mFileDNA->dumpTypeDefinitions();
+
+	mMemoryDNA = new bDNA();
+	int littleEndian= 1;
+	littleEndian= ((char*)&littleEndian)[0];
+
+	mMemoryDNA->init(memDna,memDnaLength,littleEndian==0);
+
+
+
+
+	///@todo we need a better version check, add version/sub version info from FileGlobal into memory DNA/header files
+	if (mMemoryDNA->getNumNames() != mFileDNA->getNumNames())
+	{
+		mFlags |= FD_VERSION_VARIES;
+		//printf ("Warning, file DNA is different than built in, performance is reduced. Best to re-export file with a matching version/platform");
+	}
+
+	// as long as it kept up to date it will be ok!!
+	if (mMemoryDNA->lessThan(mFileDNA))
+	{
+		//printf ("Warning, file DNA is newer than built in.");
+	}
+
+
+	mFileDNA->initCmpFlags(mMemoryDNA);
+
+	parseData();
+
+	resolvePointers(verboseMode);
+
+	updateOldPointers();
+
+
+}
+
+
+
+// ----------------------------------------------------- //
+void bFile::swap(char *head, bChunkInd& dataChunk, bool ignoreEndianFlag)
+{
+	char *data = head;
+	short *strc = mFileDNA->getStruct(dataChunk.dna_nr);
+
+
+
+	const char s[] = "SoftBodyMaterialData";
+	int szs = sizeof(s);
+	if (strncmp((char*)&dataChunk.code,"ARAY",4)==0)
+	{
+		short *oldStruct = mFileDNA->getStruct(dataChunk.dna_nr);
+		char *oldType = mFileDNA->getType(oldStruct[0]);
+		if (strncmp(oldType,s,szs)==0)
+		{
+			return;
+		}
+	}
+
+
+	int len = mFileDNA->getLength(strc[0]);
+
+	for (int i=0; i<dataChunk.nr; i++)
+	{
+		swapStruct(dataChunk.dna_nr, data,ignoreEndianFlag);
+		data+=len;
+	}
+}
+
+void bFile::swapLen(char *dataPtr)
+{
+	const bool VOID_IS_8 = ((sizeof(void*)==8));
+	if (VOID_IS_8)
+	{
+		if (mFlags &FD_BITS_VARIES)
+		{
+			bChunkPtr4*c = (bChunkPtr4*) dataPtr;
+			if ((c->code & 0xFFFF)==0)
+					c->code >>=16;
+			B3_SWITCH_INT(c->len);
+			B3_SWITCH_INT(c->dna_nr);
+			B3_SWITCH_INT(c->nr);
+		} else
+		{
+			bChunkPtr8* c = (bChunkPtr8*) dataPtr;
+			if ((c->code & 0xFFFF)==0)
+				c->code >>=16;
+			B3_SWITCH_INT(c->len);
+			B3_SWITCH_INT(c->dna_nr);
+			B3_SWITCH_INT(c->nr);
+
+		}
+	} else
+	{
+		if (mFlags &FD_BITS_VARIES)
+		{
+			bChunkPtr8*c = (bChunkPtr8*) dataPtr;
+			if ((c->code & 0xFFFF)==0)
+				c->code >>=16;
+			B3_SWITCH_INT(c->len);
+			B3_SWITCH_INT(c->dna_nr);
+			B3_SWITCH_INT(c->nr);
+
+		} else
+		{
+			bChunkPtr4* c = (bChunkPtr4*) dataPtr;
+			if ((c->code & 0xFFFF)==0)
+				c->code >>=16;
+			B3_SWITCH_INT(c->len);
+
+			B3_SWITCH_INT(c->dna_nr);
+			B3_SWITCH_INT(c->nr);
+
+		}
+	}
+
+}
+
+
+void bFile::swapDNA(char* ptr)
+{
+	bool swap = ((mFlags & FD_ENDIAN_SWAP)!=0);
+
+	char* data = &ptr[20];
+//	void bDNA::init(char *data, int len, bool swap)
+	int *intPtr=0;short *shtPtr=0;
+	char *cp = 0;int dataLen =0;
+	//long nr=0;
+	intPtr = (int*)data;
+
+	/*
+		SDNA (4 bytes) (magic number)
+		NAME (4 bytes)
+		<nr> (4 bytes) amount of names (int)
+		<string>
+		<string>
+	*/
+
+	if (strncmp(data, "SDNA", 4)==0)
+	{
+		// skip ++ NAME
+		intPtr++; intPtr++;
+	}
+
+
+
+	// Parse names
+	if (swap)
+		dataLen = ChunkUtils::swapInt(*intPtr);
+	else
+		dataLen = *intPtr;
+
+	*intPtr = ChunkUtils::swapInt(*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;
+	assert(strncmp(cp, "TYPE", 4)==0); intPtr++;
+
+	if (swap)
+		dataLen = ChunkUtils::swapInt(*intPtr);
+	else
+		dataLen = *intPtr;
+
+	*intPtr = ChunkUtils::swapInt(*intPtr);
+
+	intPtr++;
+
+	cp = (char*)intPtr;
+	for ( i=0; i<dataLen; i++)
+	{
+		while (*cp)cp++;
+		cp++;
+	}
+
+	cp = b3AlignPointer(cp,4);
+
+	/*
+		TLEN (4 bytes)
+		<len> (short) the lengths of types
+		<len>
+	*/
+
+	// Parse type lens
+	intPtr = (int*)cp;
+	assert(strncmp(cp, "TLEN", 4)==0); intPtr++;
+
+
+	shtPtr = (short*)intPtr;
+	for ( i=0; i<dataLen; i++, shtPtr++)
+	{
+		//??????if (swap)
+			shtPtr[0] = ChunkUtils::swapShort(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;
+	assert(strncmp(cp, "STRC", 4)==0);
+	intPtr++;
+
+	if (swap)
+		dataLen = ChunkUtils::swapInt(*intPtr);
+	else
+		dataLen = *intPtr;
+
+	*intPtr = ChunkUtils::swapInt(*intPtr);
+
+	intPtr++;
+
+
+	shtPtr = (short*)intPtr;
+	for ( i=0; i<dataLen; i++)
+	{
+
+		//if (swap)
+		{
+			int len = shtPtr[1];
+
+			shtPtr[0]= ChunkUtils::swapShort(shtPtr[0]);
+			shtPtr[1]= ChunkUtils::swapShort(shtPtr[1]);
+
+			shtPtr+= 2;
+
+			for (int a=0; a<len; a++, shtPtr+=2)
+			{
+				shtPtr[0]= ChunkUtils::swapShort(shtPtr[0]);
+				shtPtr[1]= ChunkUtils::swapShort(shtPtr[1]);
+			}
+		}
+//		else
+//			shtPtr+= (2*shtPtr[1])+2;
+	}
+
+}
+
+void bFile::writeFile(const char* fileName)
+{
+	FILE* f = fopen(fileName,"wb");
+	fwrite(mFileBuffer,1,mFileLen,f);
+	fclose(f);
+}
+
+void bFile::preSwap()
+{
+
+	//const bool brokenDNA = (mFlags&FD_BROKEN_DNA)!=0;
+	//FD_ENDIAN_SWAP
+	//byte 8 determines the endianness of the file, little (v) versus big (V)
+	int littleEndian= 1;
+	littleEndian= ((char*)&littleEndian)[0];
+
+
+	if (mFileBuffer[8]=='V')
+	{
+		mFileBuffer[8]='v';
+	}
+	else
+	{
+		mFileBuffer[8]='V';
+	}
+
+
+
+
+
+
+	mDataStart = 12;
+
+	char *dataPtr = mFileBuffer+mDataStart;
+
+	bChunkInd dataChunk;
+	dataChunk.code = 0;
+	bool ignoreEndianFlag = true;
+
+	//we always want to swap here
+
+	int seek = getNextBlock(&dataChunk, dataPtr, mFlags);
+	//dataPtr += ChunkUtils::getOffset(mFlags);
+	char *dataPtrHead = 0;
+
+	while (1)
+	{
+		// one behind
+		if (dataChunk.code == B3_SDNA || dataChunk.code==B3_DNA1 || dataChunk.code == B3_TYPE || dataChunk.code == B3_TLEN || dataChunk.code==B3_STRC)
+		{
+
+			swapDNA(dataPtr);
+			break;
+		} else
+		{
+			//if (dataChunk.code == DNA1) break;
+			dataPtrHead = dataPtr+ChunkUtils::getOffset(mFlags);
+
+			swapLen(dataPtr);
+			if (dataChunk.dna_nr>=0)
+			{
+				swap(dataPtrHead, dataChunk,ignoreEndianFlag);
+			} else
+			{
+				//printf("unknown chunk\n");
+			}
+		}
+
+		// next please!
+		dataPtr += seek;
+
+		seek =  getNextBlock(&dataChunk, dataPtr, mFlags);
+		if (seek < 0)
+			break;
+	}
+
+	if (mFlags & FD_ENDIAN_SWAP)
+	{
+		mFlags &= ~FD_ENDIAN_SWAP;
+	} else
+	{
+		mFlags |= FD_ENDIAN_SWAP;
+	}
+
+
+
+}
+
+
+// ----------------------------------------------------- //
+char* bFile::readStruct(char *head, bChunkInd&  dataChunk)
+{
+	bool ignoreEndianFlag = false;
+
+	if (mFlags & FD_ENDIAN_SWAP)
+		swap(head, dataChunk, ignoreEndianFlag);
+
+
+
+	if (!mFileDNA->flagEqual(dataChunk.dna_nr))
+	{
+		// Ouch! need to rebuild the struct
+		short *oldStruct,*curStruct;
+		char *oldType, *newType;
+		int oldLen, curLen, reverseOld;
+
+
+		oldStruct = mFileDNA->getStruct(dataChunk.dna_nr);
+		oldType = mFileDNA->getType(oldStruct[0]);
+
+		oldLen = mFileDNA->getLength(oldStruct[0]);
+
+		if ((mFlags&FD_BROKEN_DNA)!=0)
+		{
+			if ((strcmp(oldType,"b3QuantizedBvhNodeData")==0)&&oldLen==20)
+			{
+				return 0;
+			}
+			if ((strcmp(oldType,"b3ShortIntIndexData")==0))
+			{
+				int allocLen = 2;
+	    		char *dataAlloc = new char[(dataChunk.nr*allocLen)+1];
+				memset(dataAlloc, 0, (dataChunk.nr*allocLen)+1);
+				short* dest = (short*) dataAlloc;
+				const short* src = (short*) head;
+				for (int i=0;i<dataChunk.nr;i++)
+				{
+					dest[i] = src[i];
+					if (mFlags &FD_ENDIAN_SWAP)
+					{
+						B3_SWITCH_SHORT(dest[i]);
+					}
+				}
+				addDataBlock(dataAlloc);
+				return dataAlloc;
+			}
+		}
+
+
+
+		///don't try to convert Link block data, just memcpy it. Other data can be converted.
+		if (strcmp("Link",oldType)!=0)
+		{
+			reverseOld = mMemoryDNA->getReverseType(oldType);
+
+			if ((reverseOld!=-1))
+			{
+				// make sure it's here
+				//assert(reverseOld!= -1 && "getReverseType() returned -1, struct required!");
+
+				//
+				curStruct = mMemoryDNA->getStruct(reverseOld);
+				newType = mMemoryDNA->getType(curStruct[0]);
+				curLen = mMemoryDNA->getLength(curStruct[0]);
+
+
+
+				// make sure it's the same
+				assert((strcmp(oldType, newType)==0) && "internal error, struct mismatch!");
+
+
+				// numBlocks * length
+
+                int allocLen = (curLen);
+    			char *dataAlloc = new char[(dataChunk.nr*allocLen)+1];
+				memset(dataAlloc, 0, (dataChunk.nr*allocLen));
+
+				// track allocated
+				addDataBlock(dataAlloc);
+
+				char *cur = dataAlloc;
+				char *old = head;
+				for (int block=0; block<dataChunk.nr; block++)
+				{
+					bool fixupPointers = true;
+					parseStruct(cur, old, dataChunk.dna_nr, reverseOld, fixupPointers);
+					mLibPointers.insert(old,(bStructHandle*)cur);
+
+					cur += curLen;
+					old += oldLen;
+				}
+				return dataAlloc;
+			}
+		} else
+		{
+			//printf("Link found\n");
+		}
+	} else
+	{
+//#define DEBUG_EQUAL_STRUCTS
+#ifdef DEBUG_EQUAL_STRUCTS
+		short *oldStruct;
+		char *oldType;
+		oldStruct = mFileDNA->getStruct(dataChunk.dna_nr);
+		oldType = mFileDNA->getType(oldStruct[0]);
+		printf("%s equal structure, just memcpy\n",oldType);
+#endif //
+	}
+
+
+	char *dataAlloc = new char[(dataChunk.len)+1];
+	memset(dataAlloc, 0, dataChunk.len+1);
+
+
+	// track allocated
+	addDataBlock(dataAlloc);
+
+	memcpy(dataAlloc, head, dataChunk.len);
+	return dataAlloc;
+
+}
+
+
+// ----------------------------------------------------- //
+void bFile::parseStruct(char *strcPtr, char *dtPtr, int old_dna, int new_dna, bool fixupPointers)
+{
+	if (old_dna == -1) return;
+	if (new_dna == -1) return;
+
+	//disable this, because we need to fixup pointers/ListBase
+	if (0)//mFileDNA->flagEqual(old_dna))
+	{
+		short *strc = mFileDNA->getStruct(old_dna);
+		int len = mFileDNA->getLength(strc[0]);
+
+		memcpy(strcPtr, dtPtr, len);
+		return;
+	}
+
+	// Ok, now build the struct
+	char *memType, *memName, *cpc, *cpo;
+	short *fileStruct, *filePtrOld, *memoryStruct, *firstStruct;
+	int elementLength, size, revType, old_nr, new_nr, fpLen;
+	short firstStructType;
+
+
+	// File to memory lookup
+	memoryStruct = mMemoryDNA->getStruct(new_dna);
+	fileStruct = mFileDNA->getStruct(old_dna);
+	firstStruct = fileStruct;
+
+
+	filePtrOld = fileStruct;
+	firstStructType = mMemoryDNA->getStruct(0)[0];
+
+	// Get number of elements
+	elementLength = memoryStruct[1];
+	memoryStruct+=2;
+
+	cpc = strcPtr; cpo = 0;
+	for (int ele=0; ele<elementLength; ele++, memoryStruct+=2)
+	{
+		memType = mMemoryDNA->getType(memoryStruct[0]);
+		memName = mMemoryDNA->getName(memoryStruct[1]);
+
+
+		size = mMemoryDNA->getElementSize(memoryStruct[0], memoryStruct[1]);
+		revType = mMemoryDNA->getReverseType(memoryStruct[0]);
+
+		if (revType != -1 && memoryStruct[0]>=firstStructType && memName[0] != '*')
+		{
+			cpo = getFileElement(firstStruct, memName, memType, dtPtr, &filePtrOld);
+			if (cpo)
+			{
+				int arrayLen = mFileDNA->getArraySizeNew(filePtrOld[1]);
+				old_nr = mFileDNA->getReverseType(memType);
+				new_nr = revType;
+				fpLen = mFileDNA->getElementSize(filePtrOld[0], filePtrOld[1]);
+				if (arrayLen==1)
+				{
+					parseStruct(cpc, cpo, old_nr, new_nr,fixupPointers);
+				} else
+				{
+					char* tmpCpc = cpc;
+					char* tmpCpo = cpo;
+
+					for (int i=0;i<arrayLen;i++)
+					{
+						parseStruct(tmpCpc, tmpCpo, old_nr, new_nr,fixupPointers);
+						tmpCpc += size/arrayLen;
+						tmpCpo += fpLen/arrayLen;
+					}
+				}
+				cpc+=size;
+				cpo+=fpLen;
+			}
+			else
+				cpc+=size;
+		}
+		else
+		{
+			getMatchingFileDNA(fileStruct, memName, memType, cpc, dtPtr,fixupPointers);
+			cpc+=size;
+		}
+
+	}
+}
+
+
+// ----------------------------------------------------- //
+static void getElement(int arrayLen, const char *cur, const char *old, char *oldPtr, char *curData)
+{
+#define b3GetEle(value, current, type, cast, size, ptr)\
+	if (strcmp(current, type)==0)\
+	{\
+		value = (*(cast*)ptr);\
+		ptr += size;\
+	}
+
+#define b3SetEle(value, current, type, cast, size, ptr)\
+	if (strcmp(current, type)==0)\
+	{\
+		(*(cast*)ptr) = (cast)value;\
+		ptr += size;\
+	}
+	double value = 0.0;
+
+	for (int i=0; i<arrayLen; i++)
+	{
+		b3GetEle(value, old, "char",   char,   sizeof(char),   oldPtr);
+		b3SetEle(value, cur, "char",   char,   sizeof(char),   curData);
+		b3GetEle(value, old, "short",  short,  sizeof(short),  oldPtr);
+		b3SetEle(value, cur, "short",  short,  sizeof(short),  curData);
+		b3GetEle(value, old, "ushort",  unsigned short,  sizeof(unsigned short),  oldPtr);
+		b3SetEle(value, cur, "ushort",  unsigned short,  sizeof(unsigned short),  curData);
+		b3GetEle(value, old, "int",    int,    sizeof(int),    oldPtr);
+		b3SetEle(value, cur, "int",    int,    sizeof(int),    curData);
+		b3GetEle(value, old, "long",   int,    sizeof(int),    oldPtr);
+		b3SetEle(value, cur, "long",   int,    sizeof(int),    curData);
+		b3GetEle(value, old, "float",  float,  sizeof(float),  oldPtr);
+		b3SetEle(value, cur, "float",  float,  sizeof(float),  curData);
+		b3GetEle(value, old, "double", double, sizeof(double), oldPtr);
+		b3SetEle(value, cur, "double", double, sizeof(double), curData);
+	}
+}
+
+
+// ----------------------------------------------------- //
+void bFile::swapData(char *data, short type, int arraySize,bool ignoreEndianFlag)
+{
+	if (ignoreEndianFlag || (mFlags &FD_ENDIAN_SWAP))
+	{
+		if (type == 2 || type == 3)
+		{
+			short *sp = (short*)data;
+			for (int i=0; i<arraySize; i++)
+			{
+				sp[0] = ChunkUtils::swapShort(sp[0]);
+				sp++;
+			}
+		}
+		if (type>3 && type <8)
+		{
+			char c;
+			char *cp = data;
+			for (int i=0; i<arraySize; i++)
+			{
+				c = cp[0];
+				cp[0] = cp[3];
+				cp[3] = c;
+				c = cp[1];
+				cp[1] = cp[2];
+				cp[2] = c;
+				cp+=4;
+			}
+		}
+	}
+}
+
+
+
+void bFile::safeSwapPtr(char *dst, const char *src)
+{
+	int ptrFile = mFileDNA->getPointerSize();
+	int ptrMem = mMemoryDNA->getPointerSize();
+
+	if (!src && !dst)
+		return;
+
+
+	if (ptrFile == ptrMem)
+	{
+		memcpy(dst, src, ptrMem);
+	}
+	else if (ptrMem==4 && ptrFile==8)
+	{
+		b3PointerUid* oldPtr = (b3PointerUid*)src;
+		b3PointerUid* newPtr = (b3PointerUid*)dst;
+
+		if (oldPtr->m_uniqueIds[0] == oldPtr->m_uniqueIds[1])
+		{
+			//Bullet stores the 32bit unique ID in both upper and lower part of 64bit pointers
+			//so it can be used to distinguish between .blend and .bullet
+			newPtr->m_uniqueIds[0] = oldPtr->m_uniqueIds[0];
+		} else
+		{
+			//deal with pointers the Blender .blend style way, see
+			//readfile.c in the Blender source tree
+			b3Long64 longValue = *((b3Long64*)src);
+			//endian swap for 64bit pointer otherwise truncation will fail due to trailing zeros
+			if (mFlags & FD_ENDIAN_SWAP)
+				B3_SWITCH_LONGINT(longValue);
+			*((int*)dst) = (int)(longValue>>3);
+		}
+
+	}
+	else if (ptrMem==8 && ptrFile==4)
+	{
+		b3PointerUid* oldPtr = (b3PointerUid*)src;
+		b3PointerUid* newPtr = (b3PointerUid*)dst;
+		if (oldPtr->m_uniqueIds[0] == oldPtr->m_uniqueIds[1])
+		{
+			newPtr->m_uniqueIds[0] = oldPtr->m_uniqueIds[0];
+			newPtr->m_uniqueIds[1] = 0;
+		} else
+		{
+			*((b3Long64*)dst)= *((int*)src);
+		}
+	}
+	else
+	{
+		printf ("%d %d\n", ptrFile,ptrMem);
+		assert(0 && "Invalid pointer len");
+	}
+
+
+}
+
+
+// ----------------------------------------------------- //
+void bFile::getMatchingFileDNA(short* dna_addr, const char* lookupName,  const char* lookupType, char *strcData, char *data, bool fixupPointers)
+{
+	// find the matching memory dna data
+	// to the file being loaded. Fill the
+	// memory with the file data...
+
+	int len = dna_addr[1];
+	dna_addr+=2;
+
+	for (int i=0; i<len; i++, dna_addr+=2)
+	{
+		const char* type = mFileDNA->getType(dna_addr[0]);
+		const char* name = mFileDNA->getName(dna_addr[1]);
+
+
+
+		int eleLen = mFileDNA->getElementSize(dna_addr[0], dna_addr[1]);
+
+		if ((mFlags&FD_BROKEN_DNA)!=0)
+		{
+			if ((strcmp(type,"short")==0)&&(strcmp(name,"int")==0))
+			{
+				eleLen = 0;
+			}
+		}
+
+		if (strcmp(lookupName, name)==0)
+		{
+			//int arrayLenold = mFileDNA->getArraySize((char*)name.c_str());
+			int arrayLen = mFileDNA->getArraySizeNew(dna_addr[1]);
+			//assert(arrayLenold == arrayLen);
+
+			if (name[0] == '*')
+			{
+				// cast pointers
+				int ptrFile = mFileDNA->getPointerSize();
+				int ptrMem = mMemoryDNA->getPointerSize();
+				safeSwapPtr(strcData,data);
+
+				if (fixupPointers)
+				{
+					if (arrayLen > 1)
+					{
+						//void **sarray = (void**)strcData;
+						//void **darray = (void**)data;
+
+                        char *cpc, *cpo;
+						cpc = (char*)strcData;
+						cpo = (char*)data;
+
+						for (int a=0; a<arrayLen; a++)
+						{
+							safeSwapPtr(cpc, cpo);
+							m_pointerFixupArray.push_back(cpc);
+							cpc += ptrMem;
+							cpo += ptrFile;
+						}
+					}
+					else
+					{
+						if (name[1] == '*')
+							m_pointerPtrFixupArray.push_back(strcData);
+						else
+							m_pointerFixupArray.push_back(strcData);
+					}
+				}
+				else
+				{
+//					printf("skipped %s %s : %x\n",type.c_str(),name.c_str(),strcData);
+				}
+
+			}
+
+			else if (strcmp(type, lookupType)==0)
+				memcpy(strcData, data, eleLen);
+			else
+				getElement(arrayLen, lookupType, type, data, strcData);
+
+			// --
+			return;
+		}
+		data+=eleLen;
+	}
+}
+
+
+// ----------------------------------------------------- //
+char* bFile::getFileElement(short *firstStruct, char *lookupName, char *lookupType, char *data, short **foundPos)
+{
+	short *old = firstStruct;//mFileDNA->getStruct(old_nr);
+	int elementLength = old[1];
+	old+=2;
+
+	for (int i=0; i<elementLength; i++, old+=2)
+	{
+		char* type = mFileDNA->getType(old[0]);
+		char* name = mFileDNA->getName(old[1]);
+		int len = mFileDNA->getElementSize(old[0], old[1]);
+
+		if (strcmp(lookupName, name)==0)
+		{
+			if (strcmp(type, lookupType)==0)
+			{
+				if (foundPos)
+					*foundPos = old;
+				return data;
+			}
+			return 0;
+		}
+		data+=len;
+	}
+	return 0;
+}
+
+
+// ----------------------------------------------------- //
+void bFile::swapStruct(int dna_nr, char *data,bool ignoreEndianFlag)
+{
+	if (dna_nr == -1) return;
+
+	short *strc = mFileDNA->getStruct(dna_nr);
+	//short *firstStrc = strc;
+
+	int elementLen= strc[1];
+	strc+=2;
+
+	short first = mFileDNA->getStruct(0)[0];
+
+	char *buf = data;
+	for (int i=0; i<elementLen; i++, strc+=2)
+	{
+		char *type = mFileDNA->getType(strc[0]);
+		char *name = mFileDNA->getName(strc[1]);
+
+		int size = mFileDNA->getElementSize(strc[0], strc[1]);
+		if (strc[0] >= first && name[0]!='*')
+		{
+			int old_nr = mFileDNA->getReverseType(type);
+			int arrayLen = mFileDNA->getArraySizeNew(strc[1]);
+			if (arrayLen==1)
+			{
+				swapStruct(old_nr,buf,ignoreEndianFlag);
+			} else
+			{
+				char* tmpBuf = buf;
+				for (int i=0;i<arrayLen;i++)
+				{
+					swapStruct(old_nr,tmpBuf,ignoreEndianFlag);
+					tmpBuf+=size/arrayLen;
+				}
+			}
+		}
+		else
+		{
+			//int arrayLenOld = mFileDNA->getArraySize(name);
+			int arrayLen = mFileDNA->getArraySizeNew(strc[1]);
+			//assert(arrayLenOld == arrayLen);
+			swapData(buf, strc[0], arrayLen,ignoreEndianFlag);
+		}
+		buf+=size;
+	}
+}
+
+void bFile::resolvePointersMismatch()
+{
+//	printf("resolvePointersStructMismatch\n");
+
+	int i;
+
+	for (i=0;i<	m_pointerFixupArray.size();i++)
+	{
+		char* cur = m_pointerFixupArray.at(i);
+		void** ptrptr = (void**) cur;
+		void* ptr = *ptrptr;
+		ptr = findLibPointer(ptr);
+		if (ptr)
+		{
+			//printf("Fixup pointer!\n");
+			*(ptrptr) = ptr;
+		} else
+		{
+//			printf("pointer not found: %x\n",cur);
+		}
+	}
+
+
+	for (i=0; i<m_pointerPtrFixupArray.size(); i++)
+	{
+		char* cur= m_pointerPtrFixupArray.at(i);
+		void** ptrptr = (void**)cur;
+
+		bChunkInd *block = m_chunkPtrPtrMap.find(*ptrptr);
+		if (block)
+		{
+			int ptrMem = mMemoryDNA->getPointerSize();
+			int ptrFile = mFileDNA->getPointerSize();
+
+
+			int blockLen = block->len / ptrFile;
+
+			void *onptr = findLibPointer(*ptrptr);
+			if (onptr)
+			{
+				char *newPtr = new char[blockLen * ptrMem];
+				addDataBlock(newPtr);
+				memset(newPtr, 0, blockLen * ptrMem);
+
+				void **onarray = (void**)onptr;
+				char *oldPtr = (char*)onarray;
+
+				int p = 0;
+				while (blockLen-- > 0)
+				{
+					b3PointerUid dp = {{0}};
+					safeSwapPtr((char*)dp.m_uniqueIds, oldPtr);
+
+					void **tptr = (void**)(newPtr + p * ptrMem);
+					*tptr = findLibPointer(dp.m_ptr);
+
+					oldPtr += ptrFile;
+					++p;
+				}
+
+				*ptrptr = newPtr;
+			}
+		}
+	}
+}
+
+
+///this loop only works fine if the Blender DNA structure of the file matches the headerfiles
+void bFile::resolvePointersChunk(const bChunkInd& dataChunk, int verboseMode)
+{
+	bParse::bDNA* fileDna = mFileDNA ? mFileDNA : mMemoryDNA;
+
+	short int* oldStruct = fileDna->getStruct(dataChunk.dna_nr);
+	short oldLen = fileDna->getLength(oldStruct[0]);
+	//char* structType = fileDna->getType(oldStruct[0]);
+
+	char* cur	= (char*)findLibPointer(dataChunk.oldPtr);
+	for (int block=0; block<dataChunk.nr; block++)
+	{
+		resolvePointersStructRecursive(cur,dataChunk.dna_nr, verboseMode,1);
+		cur += oldLen;
+	}
+}
+
+
+int bFile::resolvePointersStructRecursive(char *strcPtr, int dna_nr, int verboseMode,int recursion)
+{
+
+	bParse::bDNA* fileDna = mFileDNA ? mFileDNA : mMemoryDNA;
+
+	char* memType;
+	char* memName;
+	short	firstStructType = fileDna->getStruct(0)[0];
+
+
+	char* elemPtr= strcPtr;
+
+	short int* oldStruct = fileDna->getStruct(dna_nr);
+
+	int elementLength = oldStruct[1];
+	oldStruct+=2;
+
+	int totalSize = 0;
+
+	for (int ele=0; ele<elementLength; ele++, oldStruct+=2)
+	{
+
+		memType = fileDna->getType(oldStruct[0]);
+		memName = fileDna->getName(oldStruct[1]);
+
+
+
+		int arrayLen = fileDna->getArraySizeNew(oldStruct[1]);
+		if (memName[0] == '*')
+		{
+			if (arrayLen > 1)
+			{
+				void **array= (void**)elemPtr;
+				for (int a=0; a<arrayLen; a++)
+				{
+					if (verboseMode & FD_VERBOSE_EXPORT_XML)
+					{
+						for (int i=0;i<recursion;i++)
+						{
+							printf("  ");
+						}
+						//skip the *
+						printf("<%s type=\"pointer\"> ",&memName[1]);
+						printf("%p ", array[a]);
+						printf("</%s>\n",&memName[1]);
+					}
+
+					array[a] = findLibPointer(array[a]);
+				}
+			}
+			else
+			{
+				void** ptrptr = (void**) elemPtr;
+				void* ptr = *ptrptr;
+				if (verboseMode & FD_VERBOSE_EXPORT_XML)
+				{
+					for (int i=0;i<recursion;i++)
+					{
+						printf("  ");
+					}
+					printf("<%s type=\"pointer\"> ",&memName[1]);
+					printf("%p ", ptr);
+					printf("</%s>\n",&memName[1]);
+				}
+				ptr = findLibPointer(ptr);
+
+				if (ptr)
+				{
+	//				printf("Fixup pointer at 0x%x from 0x%x to 0x%x!\n",ptrptr,*ptrptr,ptr);
+					*(ptrptr) = ptr;
+					if (memName[1] == '*' && ptrptr && *ptrptr)
+					{
+						// This	will only work if the given	**array	is continuous
+						void **array= (void**)*(ptrptr);
+						void *np= array[0];
+						int	n=0;
+						while (np)
+						{
+							np= findLibPointer(array[n]);
+							if (np) array[n]= np;
+							n++;
+						}
+					}
+				} else
+				{
+	//				printf("Cannot fixup pointer at 0x%x from 0x%x to 0x%x!\n",ptrptr,*ptrptr,ptr);
+				}
+			}
+		} else
+		{
+			int revType = fileDna->getReverseType(oldStruct[0]);
+			if (oldStruct[0]>=firstStructType) //revType != -1 &&
+			{
+				char cleanName[MAX_STRLEN];
+				getCleanName(memName,cleanName);
+
+				int arrayLen = fileDna->getArraySizeNew(oldStruct[1]);
+				int byteOffset = 0;
+
+				if (verboseMode & FD_VERBOSE_EXPORT_XML)
+				{
+					for (int i=0;i<recursion;i++)
+					{
+						printf("  ");
+					}
+
+					if (arrayLen>1)
+					{
+						printf("<%s type=\"%s\" count=%d>\n",cleanName,memType, arrayLen);
+					} else
+					{
+						printf("<%s type=\"%s\">\n",cleanName,memType);
+					}
+				}
+
+				for (int i=0;i<arrayLen;i++)
+				{
+					byteOffset += resolvePointersStructRecursive(elemPtr+byteOffset,revType, verboseMode,recursion+1);
+				}
+				if (verboseMode & FD_VERBOSE_EXPORT_XML)
+				{
+					for (int i=0;i<recursion;i++)
+					{
+						printf("  ");
+					}
+					printf("</%s>\n",cleanName);
+				}
+			} else
+			{
+				//export a simple type
+				if (verboseMode & FD_VERBOSE_EXPORT_XML)
+				{
+
+					if (arrayLen>MAX_ARRAY_LENGTH)
+					{
+						printf("too long\n");
+					} else
+					{
+						//printf("%s %s\n",memType,memName);
+
+						bool isIntegerType = (strcmp(memType,"char")==0) || (strcmp(memType,"int")==0) || (strcmp(memType,"short")==0);
+
+						if (isIntegerType)
+						{
+							const char* newtype="int";
+							int dbarray[MAX_ARRAY_LENGTH];
+							int* dbPtr = 0;
+							char* tmp = elemPtr;
+							dbPtr = &dbarray[0];
+							if (dbPtr)
+							{
+								char cleanName[MAX_STRLEN];
+								getCleanName(memName,cleanName);
+
+								int i;
+								getElement(arrayLen, newtype,memType, tmp, (char*)dbPtr);
+								for (i=0;i<recursion;i++)
+									printf("  ");
+								if (arrayLen==1)
+									printf("<%s type=\"%s\">",cleanName,memType);
+								else
+									printf("<%s type=\"%s\" count=%d>",cleanName,memType,arrayLen);
+								for (i=0;i<arrayLen;i++)
+									printf(" %d ",dbPtr[i]);
+								printf("</%s>\n",cleanName);
+							}
+						} else
+						{
+							const char* newtype="double";
+							double dbarray[MAX_ARRAY_LENGTH];
+					 		double* dbPtr = 0;
+							char* tmp = elemPtr;
+							dbPtr = &dbarray[0];
+							if (dbPtr)
+							{
+								int i;
+								getElement(arrayLen, newtype,memType, tmp, (char*)dbPtr);
+								for (i=0;i<recursion;i++)
+									printf("  ");
+								char cleanName[MAX_STRLEN];
+								getCleanName(memName,cleanName);
+
+								if (arrayLen==1)
+								{
+									printf("<%s type=\"%s\">",memName,memType);
+								}
+								else
+								{
+									printf("<%s type=\"%s\" count=%d>",cleanName,memType,arrayLen);
+								}
+								for (i=0;i<arrayLen;i++)
+									printf(" %f ",dbPtr[i]);
+								printf("</%s>\n",cleanName);
+							}
+						}
+					}
+
+				}
+			}
+		}
+
+		int size = fileDna->getElementSize(oldStruct[0], oldStruct[1]);
+		totalSize += size;
+		elemPtr+=size;
+
+	}
+
+	return totalSize;
+}
+
+
+///Resolve pointers replaces the original pointers in structures, and linked lists by the new in-memory structures
+void bFile::resolvePointers(int verboseMode)
+{
+	bParse::bDNA* fileDna = mFileDNA ? mFileDNA : mMemoryDNA;
+
+	//char *dataPtr = mFileBuffer+mDataStart;
+
+	if (1) //mFlags & (FD_BITS_VARIES | FD_VERSION_VARIES))
+	{
+		resolvePointersMismatch();
+	}
+
+	{
+
+		if (verboseMode & FD_VERBOSE_EXPORT_XML)
+		{
+			printf("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
+			int numitems = m_chunks.size();
+			printf("<bullet_physics version=%d itemcount = %d>\n", b3GetVersion(), numitems);
+		}
+		for (int i=0;i<m_chunks.size();i++)
+		{
+			const bChunkInd& dataChunk = m_chunks.at(i);
+
+			if (!mFileDNA || fileDna->flagEqual(dataChunk.dna_nr))
+			{
+				//dataChunk.len
+				short int* oldStruct = fileDna->getStruct(dataChunk.dna_nr);
+				char* oldType = fileDna->getType(oldStruct[0]);
+
+				if (verboseMode & FD_VERBOSE_EXPORT_XML)
+					printf(" <%s pointer=%p>\n",oldType,dataChunk.oldPtr);
+
+				resolvePointersChunk(dataChunk, verboseMode);
+
+				if (verboseMode & FD_VERBOSE_EXPORT_XML)
+					printf(" </%s>\n",oldType);
+			} else
+			{
+				//printf("skipping mStruct\n");
+			}
+		}
+			if (verboseMode & FD_VERBOSE_EXPORT_XML)
+			{
+				printf("</bullet_physics>\n");
+			}
+	}
+
+
+}
+
+
+// ----------------------------------------------------- //
+void* bFile::findLibPointer(void *ptr)
+{
+
+	bStructHandle** ptrptr = getLibPointers().find(ptr);
+	if (ptrptr)
+		return *ptrptr;
+	return 0;
+}
+
+
+void	bFile::updateOldPointers()
+{
+	int i;
+
+	for (i=0;i<m_chunks.size();i++)
+	{
+		bChunkInd& dataChunk = m_chunks[i];
+		dataChunk.oldPtr = findLibPointer(dataChunk.oldPtr);
+	}
+}
+void	bFile::dumpChunks(bParse::bDNA* dna)
+{
+	int i;
+
+	for (i=0;i<m_chunks.size();i++)
+	{
+		bChunkInd& dataChunk = m_chunks[i];
+		char* codeptr = (char*)&dataChunk.code;
+		char codestr[5] = {codeptr[0],codeptr[1],codeptr[2],codeptr[3],0};
+
+		short* newStruct = dna->getStruct(dataChunk.dna_nr);
+		char* typeName = dna->getType(newStruct[0]);
+		printf("%3d: %s  ",i,typeName);
+
+		printf("code=%s  ",codestr);
+
+		printf("ptr=%p  ",dataChunk.oldPtr);
+		printf("len=%d  ",dataChunk.len);
+		printf("nr=%d  ",dataChunk.nr);
+		if (dataChunk.nr!=1)
+		{
+			printf("not 1\n");
+		}
+		printf("\n");
+
+
+
+
+	}
+
+#if 0
+	IDFinderData ifd;
+	ifd.success = 0;
+	ifd.IDname = NULL;
+	ifd.just_print_it = 1;
+	for (i=0; i<bf->m_blocks.size(); ++i)
+	{
+		BlendBlock* bb = bf->m_blocks[i];
+		printf("tag='%s'\tptr=%p\ttype=%s\t[%4d]",		bb->tag, bb,bf->types[bb->type_index].name,bb->m_array_entries_.size());
+		block_ID_finder(bb, bf, &ifd);
+		printf("\n");
+	}
+#endif
+
+}
+
+
+void	bFile::writeChunks(FILE* fp, bool fixupPointers)
+{
+	bParse::bDNA* fileDna = mFileDNA ? mFileDNA : mMemoryDNA;
+
+	for (int i=0;i<m_chunks.size();i++)
+	{
+		bChunkInd& dataChunk = m_chunks.at(i);
+
+		// Ouch! need to rebuild the struct
+		short *oldStruct,*curStruct;
+		char *oldType, *newType;
+		int oldLen, curLen, reverseOld;
+
+		oldStruct = fileDna->getStruct(dataChunk.dna_nr);
+		oldType = fileDna->getType(oldStruct[0]);
+		oldLen = fileDna->getLength(oldStruct[0]);
+		///don't try to convert Link block data, just memcpy it. Other data can be converted.
+		reverseOld = mMemoryDNA->getReverseType(oldType);
+
+
+		if ((reverseOld!=-1))
+		{
+			// make sure it's here
+			//assert(reverseOld!= -1 && "getReverseType() returned -1, struct required!");
+			//
+			curStruct = mMemoryDNA->getStruct(reverseOld);
+			newType = mMemoryDNA->getType(curStruct[0]);
+			// make sure it's the same
+			assert((strcmp(oldType, newType)==0) && "internal error, struct mismatch!");
+
+
+			curLen = mMemoryDNA->getLength(curStruct[0]);
+			dataChunk.dna_nr = reverseOld;
+			if (strcmp("Link",oldType)!=0)
+			{
+				dataChunk.len = curLen * dataChunk.nr;
+			} else
+			{
+//				printf("keep length of link = %d\n",dataChunk.len);
+			}
+
+			//write the structure header
+			fwrite(&dataChunk,sizeof(bChunkInd),1,fp);
+
+
+
+			short int* curStruct1;
+			curStruct1 = mMemoryDNA->getStruct(dataChunk.dna_nr);
+			assert(curStruct1 == curStruct);
+
+			char* cur	= fixupPointers  ?  (char*)findLibPointer(dataChunk.oldPtr) : (char*)dataChunk.oldPtr;
+
+			//write the actual contents of the structure(s)
+			fwrite(cur,dataChunk.len,1,fp);
+		} else
+		{
+			printf("serious error, struct mismatch: don't write\n");
+		}
+	}
+
+}
+
+
+// ----------------------------------------------------- //
+int bFile::getNextBlock(bChunkInd *dataChunk,  const char *dataPtr, const int flags)
+{
+	bool swap = false;
+	bool varies = false;
+
+	if (flags &FD_ENDIAN_SWAP)
+		swap = true;
+	if (flags &FD_BITS_VARIES)
+		varies = true;
+
+	if (VOID_IS_8)
+	{
+		if (varies)
+		{
+			bChunkPtr4 head;
+			memcpy(&head, dataPtr, sizeof(bChunkPtr4));
+
+
+			bChunkPtr8 chunk;
+
+			chunk.code		= head.code;
+			chunk.len		= head.len;
+			chunk.m_uniqueInts[0] = head.m_uniqueInt;
+			chunk.m_uniqueInts[1] = 0;
+			chunk.dna_nr	= head.dna_nr;
+			chunk.nr		= head.nr;
+
+			if (swap)
+			{
+				if ((chunk.code & 0xFFFF)==0)
+					chunk.code >>=16;
+
+				B3_SWITCH_INT(chunk.len);
+				B3_SWITCH_INT(chunk.dna_nr);
+				B3_SWITCH_INT(chunk.nr);
+			}
+
+
+			memcpy(dataChunk, &chunk, sizeof(bChunkInd));
+		}
+		else
+		{
+			bChunkPtr8 c;
+			memcpy(&c, dataPtr, sizeof(bChunkPtr8));
+
+			if (swap)
+			{
+				if ((c.code & 0xFFFF)==0)
+					c.code >>=16;
+
+				B3_SWITCH_INT(c.len);
+				B3_SWITCH_INT(c.dna_nr);
+				B3_SWITCH_INT(c.nr);
+			}
+
+			memcpy(dataChunk, &c, sizeof(bChunkInd));
+		}
+	}
+	else
+	{
+		if (varies)
+		{
+			bChunkPtr8 head;
+			memcpy(&head, dataPtr, sizeof(bChunkPtr8));
+
+
+			bChunkPtr4 chunk;
+			chunk.code = head.code;
+			chunk.len = head.len;
+
+			if (head.m_uniqueInts[0]==head.m_uniqueInts[1])
+			{
+				chunk.m_uniqueInt = head.m_uniqueInts[0];
+			} else
+			{
+				b3Long64 oldPtr =0;
+				memcpy(&oldPtr, &head.m_uniqueInts[0], 8);
+				if (swap)
+					B3_SWITCH_LONGINT(oldPtr);
+				chunk.m_uniqueInt = (int)(oldPtr >> 3);
+			}
+
+
+			chunk.dna_nr = head.dna_nr;
+			chunk.nr = head.nr;
+
+			if (swap)
+			{
+				if ((chunk.code & 0xFFFF)==0)
+					chunk.code >>=16;
+
+				B3_SWITCH_INT(chunk.len);
+				B3_SWITCH_INT(chunk.dna_nr);
+				B3_SWITCH_INT(chunk.nr);
+			}
+
+			memcpy(dataChunk, &chunk, sizeof(bChunkInd));
+		}
+		else
+		{
+			bChunkPtr4 c;
+			memcpy(&c, dataPtr, sizeof(bChunkPtr4));
+
+			if (swap)
+			{
+				if ((c.code & 0xFFFF)==0)
+					c.code >>=16;
+
+				B3_SWITCH_INT(c.len);
+				B3_SWITCH_INT(c.dna_nr);
+				B3_SWITCH_INT(c.nr);
+			}
+			memcpy(dataChunk, &c, sizeof(bChunkInd));
+		}
+	}
+
+	if (dataChunk->len < 0)
+		return -1;
+
+#if 0
+	print ("----------");
+	print (dataChunk->code);
+	print (dataChunk->len);
+	print (dataChunk->old);
+	print (dataChunk->dna_nr);
+	print (dataChunk->nr);
+#endif
+	return (dataChunk->len+ChunkUtils::getOffset(flags));
+}
+
+
+
+//eof
-- 
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