qt-everywhere-src-5.14.1/qt3d/src/3rdparty/assimp/code/MD5Parser.cpp - orbit - Git at Google

 /*
 ---------------------------------------------------------------------------
 Open Asset Import Library (assimp)
 ---------------------------------------------------------------------------

 Copyright (c) 2006-2017, assimp team


 All rights reserved.

 Redistribution and use of this software in source and binary forms,
 with or without modification, are permitted provided that the following
 conditions are met:

 * Redistributions of source code must retain the above
   copyright notice, this list of conditions and the
   following disclaimer.

 * Redistributions in binary form must reproduce the above
   copyright notice, this list of conditions and the
   following disclaimer in the documentation and/or other
   materials provided with the distribution.

 * Neither the name of the assimp team, nor the names of its
   contributors may be used to endorse or promote products
   derived from this software without specific prior
   written permission of the assimp team.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ---------------------------------------------------------------------------
 */

 /** @file  MD5Parser.cpp
  *  @brief Implementation of the MD5 parser class
  */


 // internal headers
 #include "MD5Loader.h"
 #include "MaterialSystem.h"
 #include "fast_atof.h"
 #include "ParsingUtils.h"
 #include "StringComparison.h"
 #include <assimp/DefaultLogger.hpp>
 #include <assimp/mesh.h>


 using namespace Assimp;
 using namespace Assimp::MD5;

 // ------------------------------------------------------------------------------------------------
 // Parse the segment structure fo a MD5 file
 MD5Parser::MD5Parser(char* _buffer, unsigned int _fileSize )
 {
     ai_assert(NULL != _buffer && 0 != _fileSize);

     buffer = _buffer;
     fileSize = _fileSize;
     lineNumber = 0;

     DefaultLogger::get()->debug("MD5Parser begin");

     // parse the file header
     ParseHeader();

     // and read all sections until we're finished
     bool running = true;
     while (running) {
         mSections.push_back(Section());
         Section& sec = mSections.back();
         if(!ParseSection(sec))  {
             break;
         }
     }

     if ( !DefaultLogger::isNullLogger())    {
         char szBuffer[128]; // should be sufficiently large
         ::ai_snprintf(szBuffer,128,"MD5Parser end. Parsed %i sections",(int)mSections.size());
         DefaultLogger::get()->debug(szBuffer);
     }
 }

 // ------------------------------------------------------------------------------------------------
 // Report error to the log stream
 /*static*/ AI_WONT_RETURN void MD5Parser::ReportError (const char* error, unsigned int line)
 {
     char szBuffer[1024];
     ::ai_snprintf(szBuffer, 1024, "[MD5] Line %u: %s",line,error);
     throw DeadlyImportError(szBuffer);
 }

 // ------------------------------------------------------------------------------------------------
 // Report warning to the log stream
 /*static*/ void MD5Parser::ReportWarning (const char* warn, unsigned int line)
 {
     char szBuffer[1024];
     ::sprintf(szBuffer,"[MD5] Line %u: %s",line,warn);
     DefaultLogger::get()->warn(szBuffer);
 }

 // ------------------------------------------------------------------------------------------------
 // Parse and validate the MD5 header
 void MD5Parser::ParseHeader()
 {
     // parse and validate the file version
     SkipSpaces();
     if (!TokenMatch(buffer,"MD5Version",10))    {
         ReportError("Invalid MD5 file: MD5Version tag has not been found");
     }
     SkipSpaces();
     unsigned int iVer = ::strtoul10(buffer,(const char**)&buffer);
     if (10 != iVer) {
         ReportError("MD5 version tag is unknown (10 is expected)");
     }
     SkipLine();

     // print the command line options to the console
     // FIX: can break the log length limit, so we need to be careful
     char* sz = buffer;
     while (!IsLineEnd( *buffer++));
     DefaultLogger::get()->info(std::string(sz,std::min((uintptr_t)MAX_LOG_MESSAGE_LENGTH, (uintptr_t)(buffer-sz))));
     SkipSpacesAndLineEnd();
 }

 // ------------------------------------------------------------------------------------------------
 // Recursive MD5 parsing function
 bool MD5Parser::ParseSection(Section& out)
 {
     // store the current line number for use in error messages
     out.iLineNumber = lineNumber;

     // first parse the name of the section
     char* sz = buffer;
     while (!IsSpaceOrNewLine( *buffer))buffer++;
     out.mName = std::string(sz,(uintptr_t)(buffer-sz));
     SkipSpaces();

     bool running = true;
     while (running) {
         if ('{' == *buffer) {
             // it is a normal section so read all lines
             buffer++;
             bool run = true;
             while (run)
             {
                 if (!SkipSpacesAndLineEnd()) {
                     return false; // seems this was the last section
                 }
                 if ('}' == *buffer) {
                     buffer++;
                     break;
                 }

                 out.mElements.push_back(Element());
                 Element& elem = out.mElements.back();

                 elem.iLineNumber = lineNumber;
                 elem.szStart = buffer;

                 // terminate the line with zero
                 while (!IsLineEnd( *buffer))buffer++;
                 if (*buffer) {
                     ++lineNumber;
                     *buffer++ = '\0';
                 }
             }
             break;
         }
         else if (!IsSpaceOrNewLine(*buffer))    {
             // it is an element at global scope. Parse its value and go on
             sz = buffer;
             while (!IsSpaceOrNewLine( *buffer++));
             out.mGlobalValue = std::string(sz,(uintptr_t)(buffer-sz));
             continue;
         }
         break;
     }
     return SkipSpacesAndLineEnd();
 }

 // ------------------------------------------------------------------------------------------------
 // Some dirty macros just because they're so funny and easy to debug

 // skip all spaces ... handle EOL correctly
 #define AI_MD5_SKIP_SPACES()  if(!SkipSpaces(&sz)) \
     MD5Parser::ReportWarning("Unexpected end of line",elem.iLineNumber);

 	// read a triple float in brackets: (1.0 1.0 1.0)
 #define AI_MD5_READ_TRIPLE(vec) \
     AI_MD5_SKIP_SPACES(); \
     if ('(' != *sz++) \
         MD5Parser::ReportWarning("Unexpected token: ( was expected",elem.iLineNumber); \
     AI_MD5_SKIP_SPACES(); \
     sz = fast_atoreal_move<float>(sz,(float&)vec.x); \
     AI_MD5_SKIP_SPACES(); \
     sz = fast_atoreal_move<float>(sz,(float&)vec.y); \
     AI_MD5_SKIP_SPACES(); \
     sz = fast_atoreal_move<float>(sz,(float&)vec.z); \
     AI_MD5_SKIP_SPACES(); \
     if (')' != *sz++) \
         MD5Parser::ReportWarning("Unexpected token: ) was expected",elem.iLineNumber);

 	// parse a string, enclosed in quotation marks or not
 #define AI_MD5_PARSE_STRING(out) \
     bool bQuota = (*sz == '\"'); \
     const char* szStart = sz; \
     while (!IsSpaceOrNewLine(*sz))++sz; \
     const char* szEnd = sz; \
     if (bQuota) { \
         szStart++; \
         if ('\"' != *(szEnd-=1)) { \
             MD5Parser::ReportWarning("Expected closing quotation marks in string", \
                 elem.iLineNumber); \
             continue; \
         } \
     } \
     out.length = (size_t)(szEnd - szStart); \
     ::memcpy(out.data,szStart,out.length); \
     out.data[out.length] = '\0';

 	// parse a string, enclosed in quotation marks
 #define AI_MD5_PARSE_STRING_IN_QUOTATION(out) \
 	while('\"'!=*sz)++sz; \
     const char* szStart = ++sz; \
 	while('\"'!=*sz)++sz; \
     const char* szEnd = (sz++); \
     out.length = (size_t)(szEnd - szStart); \
     ::memcpy(out.data,szStart,out.length); \
     out.data[out.length] = '\0';
 // ------------------------------------------------------------------------------------------------
 // .MD5MESH parsing function
 MD5MeshParser::MD5MeshParser(SectionList& mSections)
 {
     DefaultLogger::get()->debug("MD5MeshParser begin");

     // now parse all sections
     for (SectionList::const_iterator iter =  mSections.begin(), iterEnd = mSections.end();iter != iterEnd;++iter){
         if ( (*iter).mName == "numMeshes")  {
             mMeshes.reserve(::strtoul10((*iter).mGlobalValue.c_str()));
         }
         else if ( (*iter).mName == "numJoints") {
             mJoints.reserve(::strtoul10((*iter).mGlobalValue.c_str()));
         }
         else if ((*iter).mName == "joints") {
             // "origin" -1 ( -0.000000 0.016430 -0.006044 ) ( 0.707107 0.000000 0.707107 )
             for (const auto & elem : (*iter).mElements){
                 mJoints.push_back(BoneDesc());
                 BoneDesc& desc = mJoints.back();

                 const char* sz = elem.szStart;
 				AI_MD5_PARSE_STRING_IN_QUOTATION(desc.mName);
                 AI_MD5_SKIP_SPACES();

                 // negative values, at least -1, is allowed here
                 desc.mParentIndex = (int)strtol10(sz,&sz);

                 AI_MD5_READ_TRIPLE(desc.mPositionXYZ);
                 AI_MD5_READ_TRIPLE(desc.mRotationQuat); // normalized quaternion, so w is not there
             }
         }
         else if ((*iter).mName == "mesh")   {
             mMeshes.push_back(MeshDesc());
             MeshDesc& desc = mMeshes.back();

             for (const auto & elem : (*iter).mElements){
                 const char* sz = elem.szStart;

                 // shader attribute
                 if (TokenMatch(sz,"shader",6))  {
                     AI_MD5_SKIP_SPACES();
                     AI_MD5_PARSE_STRING_IN_QUOTATION(desc.mShader);
                 }
                 // numverts attribute
                 else if (TokenMatch(sz,"numverts",8))   {
                     AI_MD5_SKIP_SPACES();
                     desc.mVertices.resize(strtoul10(sz));
                 }
                 // numtris attribute
                 else if (TokenMatch(sz,"numtris",7))    {
                     AI_MD5_SKIP_SPACES();
                     desc.mFaces.resize(strtoul10(sz));
                 }
                 // numweights attribute
                 else if (TokenMatch(sz,"numweights",10))    {
                     AI_MD5_SKIP_SPACES();
                     desc.mWeights.resize(strtoul10(sz));
                 }
                 // vert attribute
                 // "vert 0 ( 0.394531 0.513672 ) 0 1"
                 else if (TokenMatch(sz,"vert",4))   {
                     AI_MD5_SKIP_SPACES();
                     const unsigned int idx = ::strtoul10(sz,&sz);
                     AI_MD5_SKIP_SPACES();
                     if (idx >= desc.mVertices.size())
                         desc.mVertices.resize(idx+1);

                     VertexDesc& vert = desc.mVertices[idx];
                     if ('(' != *sz++)
                         MD5Parser::ReportWarning("Unexpected token: ( was expected",elem.iLineNumber);
                     AI_MD5_SKIP_SPACES();
                     sz = fast_atoreal_move<float>(sz,(float&)vert.mUV.x);
                     AI_MD5_SKIP_SPACES();
                     sz = fast_atoreal_move<float>(sz,(float&)vert.mUV.y);
                     AI_MD5_SKIP_SPACES();
                     if (')' != *sz++)
                         MD5Parser::ReportWarning("Unexpected token: ) was expected",elem.iLineNumber);
                     AI_MD5_SKIP_SPACES();
                     vert.mFirstWeight = ::strtoul10(sz,&sz);
                     AI_MD5_SKIP_SPACES();
                     vert.mNumWeights = ::strtoul10(sz,&sz);
                 }
                 // tri attribute
                 // "tri 0 15 13 12"
                 else if (TokenMatch(sz,"tri",3)) {
                     AI_MD5_SKIP_SPACES();
                     const unsigned int idx = strtoul10(sz,&sz);
                     if (idx >= desc.mFaces.size())
                         desc.mFaces.resize(idx+1);

                     aiFace& face = desc.mFaces[idx];
                     face.mIndices = new unsigned int[face.mNumIndices = 3];
                     for (unsigned int i = 0; i < 3;++i) {
                         AI_MD5_SKIP_SPACES();
                         face.mIndices[i] = strtoul10(sz,&sz);
                     }
                 }
                 // weight attribute
                 // "weight 362 5 0.500000 ( -3.553583 11.893474 9.719339 )"
                 else if (TokenMatch(sz,"weight",6)) {
                     AI_MD5_SKIP_SPACES();
                     const unsigned int idx = strtoul10(sz,&sz);
                     AI_MD5_SKIP_SPACES();
                     if (idx >= desc.mWeights.size())
                         desc.mWeights.resize(idx+1);

                     WeightDesc& weight = desc.mWeights[idx];
                     weight.mBone = strtoul10(sz,&sz);
                     AI_MD5_SKIP_SPACES();
                     sz = fast_atoreal_move<float>(sz,weight.mWeight);
                     AI_MD5_READ_TRIPLE(weight.vOffsetPosition);
                 }
             }
         }
     }
     DefaultLogger::get()->debug("MD5MeshParser end");
 }

 // ------------------------------------------------------------------------------------------------
 // .MD5ANIM parsing function
 MD5AnimParser::MD5AnimParser(SectionList& mSections)
 {
     DefaultLogger::get()->debug("MD5AnimParser begin");

     fFrameRate = 24.0f;
     mNumAnimatedComponents = UINT_MAX;
     for (SectionList::const_iterator iter =  mSections.begin(), iterEnd = mSections.end();iter != iterEnd;++iter) {
         if ((*iter).mName == "hierarchy")   {
             // "sheath" 0 63 6
             for (const auto & elem : (*iter).mElements) {
                 mAnimatedBones.push_back ( AnimBoneDesc () );
                 AnimBoneDesc& desc = mAnimatedBones.back();

                 const char* sz = elem.szStart;
                 AI_MD5_PARSE_STRING_IN_QUOTATION(desc.mName);
                 AI_MD5_SKIP_SPACES();

                 // parent index - negative values are allowed (at least -1)
                 desc.mParentIndex = ::strtol10(sz,&sz);

                 // flags (highest is 2^6-1)
                 AI_MD5_SKIP_SPACES();
                 if(63 < (desc.iFlags = ::strtoul10(sz,&sz))){
                     MD5Parser::ReportWarning("Invalid flag combination in hierarchy section",elem.iLineNumber);
                 }
                 AI_MD5_SKIP_SPACES();

                 // index of the first animation keyframe component for this joint
                 desc.iFirstKeyIndex = ::strtoul10(sz,&sz);
             }
         }
         else if((*iter).mName == "baseframe")   {
             // ( -0.000000 0.016430 -0.006044 ) ( 0.707107 0.000242 0.707107 )
             for (const auto & elem : (*iter).mElements) {
                 const char* sz = elem.szStart;

                 mBaseFrames.push_back ( BaseFrameDesc () );
                 BaseFrameDesc& desc = mBaseFrames.back();

                 AI_MD5_READ_TRIPLE(desc.vPositionXYZ);
                 AI_MD5_READ_TRIPLE(desc.vRotationQuat);
             }
         }
         else if((*iter).mName ==  "frame")  {
             if (!(*iter).mGlobalValue.length()) {
                 MD5Parser::ReportWarning("A frame section must have a frame index",(*iter).iLineNumber);
                 continue;
             }

             mFrames.push_back ( FrameDesc () );
             FrameDesc& desc = mFrames.back();
             desc.iIndex = strtoul10((*iter).mGlobalValue.c_str());

             // we do already know how much storage we will presumably need
             if (UINT_MAX != mNumAnimatedComponents) {
                 desc.mValues.reserve(mNumAnimatedComponents);
             }

             // now read all elements (continuous list of floats)
             for (const auto & elem : (*iter).mElements){
                 const char* sz = elem.szStart;
                 while (SkipSpacesAndLineEnd(&sz))   {
                     float f;sz = fast_atoreal_move<float>(sz,f);
                     desc.mValues.push_back(f);
                 }
             }
         }
         else if((*iter).mName == "numFrames")   {
             mFrames.reserve(strtoul10((*iter).mGlobalValue.c_str()));
         }
         else if((*iter).mName == "numJoints")   {
             const unsigned int num = strtoul10((*iter).mGlobalValue.c_str());
             mAnimatedBones.reserve(num);

             // try to guess the number of animated components if that element is not given
             if (UINT_MAX  == mNumAnimatedComponents) {
                 mNumAnimatedComponents = num * 6;
             }
         }
         else if((*iter).mName == "numAnimatedComponents")   {
             mAnimatedBones.reserve( strtoul10((*iter).mGlobalValue.c_str()));
         }
         else if((*iter).mName == "frameRate")   {
             fast_atoreal_move<float>((*iter).mGlobalValue.c_str(),fFrameRate);
         }
     }
     DefaultLogger::get()->debug("MD5AnimParser end");
 }

 // ------------------------------------------------------------------------------------------------
 // .MD5CAMERA parsing function
 MD5CameraParser::MD5CameraParser(SectionList& mSections)
 {
     DefaultLogger::get()->debug("MD5CameraParser begin");
     fFrameRate = 24.0f;

     for (SectionList::const_iterator iter =  mSections.begin(), iterEnd = mSections.end();iter != iterEnd;++iter) {
         if ((*iter).mName == "numFrames")   {
             frames.reserve(strtoul10((*iter).mGlobalValue.c_str()));
         }
         else if ((*iter).mName == "frameRate")  {
             fFrameRate = fast_atof ((*iter).mGlobalValue.c_str());
         }
         else if ((*iter).mName == "numCuts")    {
             cuts.reserve(strtoul10((*iter).mGlobalValue.c_str()));
         }
         else if ((*iter).mName == "cuts")   {
             for (const auto & elem : (*iter).mElements){
                 cuts.push_back(strtoul10(elem.szStart)+1);
             }
         }
         else if ((*iter).mName == "camera") {
             for (const auto & elem : (*iter).mElements){
                 const char* sz = elem.szStart;

                 frames.push_back(CameraAnimFrameDesc());
                 CameraAnimFrameDesc& cur = frames.back();
                 AI_MD5_READ_TRIPLE(cur.vPositionXYZ);
                 AI_MD5_READ_TRIPLE(cur.vRotationQuat);
                 AI_MD5_SKIP_SPACES();
                 cur.fFOV = fast_atof(sz);
             }
         }
     }
     DefaultLogger::get()->debug("MD5CameraParser end");
 }
	/*
	---------------------------------------------------------------------------
	Open Asset Import Library (assimp)
	---------------------------------------------------------------------------

	Copyright (c) 2006-2017, assimp team


	All rights reserved.

	Redistribution and use of this software in source and binary forms,
	with or without modification, are permitted provided that the following
	conditions are met:

	* Redistributions of source code must retain the above
	copyright notice, this list of conditions and the
	following disclaimer.

	* Redistributions in binary form must reproduce the above
	copyright notice, this list of conditions and the
	following disclaimer in the documentation and/or other
	materials provided with the distribution.

	* Neither the name of the assimp team, nor the names of its
	contributors may be used to endorse or promote products
	derived from this software without specific prior
	written permission of the assimp team.

	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	---------------------------------------------------------------------------
	*/

	/** @file MD5Parser.cpp
	* @brief Implementation of the MD5 parser class
	*/


	// internal headers
	#include "MD5Loader.h"
	#include "MaterialSystem.h"
	#include "fast_atof.h"
	#include "ParsingUtils.h"
	#include "StringComparison.h"
	#include <assimp/DefaultLogger.hpp>
	#include <assimp/mesh.h>



	using namespace Assimp;
	using namespace Assimp::MD5;

	// ------------------------------------------------------------------------------------------------
	// Parse the segment structure fo a MD5 file
	MD5Parser::MD5Parser(char* _buffer, unsigned int _fileSize )
	{
	ai_assert(NULL != _buffer && 0 != _fileSize);

	buffer = _buffer;
	fileSize = _fileSize;
	lineNumber = 0;

	DefaultLogger::get()->debug("MD5Parser begin");

	// parse the file header
	ParseHeader();

	// and read all sections until we're finished
	bool running = true;
	while (running) {
	mSections.push_back(Section());
	Section& sec = mSections.back();
	if(!ParseSection(sec)) {
	break;
	}
	}

	if ( !DefaultLogger::isNullLogger()) {
	char szBuffer[128]; // should be sufficiently large
	::ai_snprintf(szBuffer,128,"MD5Parser end. Parsed %i sections",(int)mSections.size());
	DefaultLogger::get()->debug(szBuffer);
	}
	}

	// ------------------------------------------------------------------------------------------------
	// Report error to the log stream
	/static/ AI_WONT_RETURN void MD5Parser::ReportError (const char* error, unsigned int line)
	{
	char szBuffer[1024];
	::ai_snprintf(szBuffer, 1024, "[MD5] Line %u: %s",line,error);
	throw DeadlyImportError(szBuffer);
	}

	// ------------------------------------------------------------------------------------------------
	// Report warning to the log stream
	/static/ void MD5Parser::ReportWarning (const char* warn, unsigned int line)
	{
	char szBuffer[1024];
	::sprintf(szBuffer,"[MD5] Line %u: %s",line,warn);
	DefaultLogger::get()->warn(szBuffer);
	}

	// ------------------------------------------------------------------------------------------------
	// Parse and validate the MD5 header
	void MD5Parser::ParseHeader()
	{
	// parse and validate the file version
	SkipSpaces();
	if (!TokenMatch(buffer,"MD5Version",10)) {
	ReportError("Invalid MD5 file: MD5Version tag has not been found");
	}
	SkipSpaces();
	unsigned int iVer = ::strtoul10(buffer,(const char**)&buffer);
	if (10 != iVer) {
	ReportError("MD5 version tag is unknown (10 is expected)");
	}
	SkipLine();

	// print the command line options to the console
	// FIX: can break the log length limit, so we need to be careful
	char* sz = buffer;
	while (!IsLineEnd( *buffer++));
	DefaultLogger::get()->info(std::string(sz,std::min((uintptr_t)MAX_LOG_MESSAGE_LENGTH, (uintptr_t)(buffer-sz))));
	SkipSpacesAndLineEnd();
	}

	// ------------------------------------------------------------------------------------------------
	// Recursive MD5 parsing function
	bool MD5Parser::ParseSection(Section& out)
	{
	// store the current line number for use in error messages
	out.iLineNumber = lineNumber;

	// first parse the name of the section
	char* sz = buffer;
	while (!IsSpaceOrNewLine( *buffer))buffer++;
	out.mName = std::string(sz,(uintptr_t)(buffer-sz));
	SkipSpaces();

	bool running = true;
	while (running) {
	if ('{' == *buffer) {
	// it is a normal section so read all lines
	buffer++;
	bool run = true;
	while (run)
	{
	if (!SkipSpacesAndLineEnd()) {
	return false; // seems this was the last section
	}
	if ('}' == *buffer) {
	buffer++;
	break;
	}

	out.mElements.push_back(Element());
	Element& elem = out.mElements.back();

	elem.iLineNumber = lineNumber;
	elem.szStart = buffer;

	// terminate the line with zero
	while (!IsLineEnd( *buffer))buffer++;
	if (*buffer) {
	++lineNumber;
	*buffer++ = '\0';
	}
	}
	break;
	}
	else if (!IsSpaceOrNewLine(*buffer)) {
	// it is an element at global scope. Parse its value and go on
	sz = buffer;
	while (!IsSpaceOrNewLine( *buffer++));
	out.mGlobalValue = std::string(sz,(uintptr_t)(buffer-sz));
	continue;
	}
	break;
	}
	return SkipSpacesAndLineEnd();
	}

	// ------------------------------------------------------------------------------------------------
	// Some dirty macros just because they're so funny and easy to debug

	// skip all spaces ... handle EOL correctly
	#define AI_MD5_SKIP_SPACES() if(!SkipSpaces(&sz)) \
	MD5Parser::ReportWarning("Unexpected end of line",elem.iLineNumber);

	// read a triple float in brackets: (1.0 1.0 1.0)
	#define AI_MD5_READ_TRIPLE(vec) \
	AI_MD5_SKIP_SPACES(); \
	if ('(' != *sz++) \
	MD5Parser::ReportWarning("Unexpected token: ( was expected",elem.iLineNumber); \
	AI_MD5_SKIP_SPACES(); \
	sz = fast_atoreal_move<float>(sz,(float&)vec.x); \
	AI_MD5_SKIP_SPACES(); \
	sz = fast_atoreal_move<float>(sz,(float&)vec.y); \
	AI_MD5_SKIP_SPACES(); \
	sz = fast_atoreal_move<float>(sz,(float&)vec.z); \
	AI_MD5_SKIP_SPACES(); \
	if (')' != *sz++) \
	MD5Parser::ReportWarning("Unexpected token: ) was expected",elem.iLineNumber);

	// parse a string, enclosed in quotation marks or not
	#define AI_MD5_PARSE_STRING(out) \
	bool bQuota = (*sz == '\"'); \
	const char* szStart = sz; \
	while (!IsSpaceOrNewLine(*sz))++sz; \
	const char* szEnd = sz; \
	if (bQuota) { \
	szStart++; \
	if ('\"' != *(szEnd-=1)) { \
	MD5Parser::ReportWarning("Expected closing quotation marks in string", \
	elem.iLineNumber); \
	continue; \
	} \
	} \
	out.length = (size_t)(szEnd - szStart); \
	::memcpy(out.data,szStart,out.length); \
	out.data[out.length] = '\0';

	// parse a string, enclosed in quotation marks
	#define AI_MD5_PARSE_STRING_IN_QUOTATION(out) \
	while('\"'!=*sz)++sz; \
	const char* szStart = ++sz; \
	while('\"'!=*sz)++sz; \
	const char* szEnd = (sz++); \
	out.length = (size_t)(szEnd - szStart); \
	::memcpy(out.data,szStart,out.length); \
	out.data[out.length] = '\0';
	// ------------------------------------------------------------------------------------------------
	// .MD5MESH parsing function
	MD5MeshParser::MD5MeshParser(SectionList& mSections)
	{
	DefaultLogger::get()->debug("MD5MeshParser begin");

	// now parse all sections
	for (SectionList::const_iterator iter = mSections.begin(), iterEnd = mSections.end();iter != iterEnd;++iter){
	if ( (*iter).mName == "numMeshes") {
	mMeshes.reserve(::strtoul10((*iter).mGlobalValue.c_str()));
	}
	else if ( (*iter).mName == "numJoints") {
	mJoints.reserve(::strtoul10((*iter).mGlobalValue.c_str()));
	}
	else if ((*iter).mName == "joints") {
	// "origin" -1 ( -0.000000 0.016430 -0.006044 ) ( 0.707107 0.000000 0.707107 )
	for (const auto & elem : (*iter).mElements){
	mJoints.push_back(BoneDesc());
	BoneDesc& desc = mJoints.back();

	const char* sz = elem.szStart;
	AI_MD5_PARSE_STRING_IN_QUOTATION(desc.mName);
	AI_MD5_SKIP_SPACES();

	// negative values, at least -1, is allowed here
	desc.mParentIndex = (int)strtol10(sz,&sz);

	AI_MD5_READ_TRIPLE(desc.mPositionXYZ);
	AI_MD5_READ_TRIPLE(desc.mRotationQuat); // normalized quaternion, so w is not there
	}
	}
	else if ((*iter).mName == "mesh") {
	mMeshes.push_back(MeshDesc());
	MeshDesc& desc = mMeshes.back();

	for (const auto & elem : (*iter).mElements){
	const char* sz = elem.szStart;

	// shader attribute
	if (TokenMatch(sz,"shader",6)) {
	AI_MD5_SKIP_SPACES();
	AI_MD5_PARSE_STRING_IN_QUOTATION(desc.mShader);
	}
	// numverts attribute
	else if (TokenMatch(sz,"numverts",8)) {
	AI_MD5_SKIP_SPACES();
	desc.mVertices.resize(strtoul10(sz));
	}
	// numtris attribute
	else if (TokenMatch(sz,"numtris",7)) {
	AI_MD5_SKIP_SPACES();
	desc.mFaces.resize(strtoul10(sz));
	}
	// numweights attribute
	else if (TokenMatch(sz,"numweights",10)) {
	AI_MD5_SKIP_SPACES();
	desc.mWeights.resize(strtoul10(sz));
	}
	// vert attribute
	// "vert 0 ( 0.394531 0.513672 ) 0 1"
	else if (TokenMatch(sz,"vert",4)) {
	AI_MD5_SKIP_SPACES();
	const unsigned int idx = ::strtoul10(sz,&sz);
	AI_MD5_SKIP_SPACES();
	if (idx >= desc.mVertices.size())
	desc.mVertices.resize(idx+1);

	VertexDesc& vert = desc.mVertices[idx];
	if ('(' != *sz++)
	MD5Parser::ReportWarning("Unexpected token: ( was expected",elem.iLineNumber);
	AI_MD5_SKIP_SPACES();
	sz = fast_atoreal_move<float>(sz,(float&)vert.mUV.x);
	AI_MD5_SKIP_SPACES();
	sz = fast_atoreal_move<float>(sz,(float&)vert.mUV.y);
	AI_MD5_SKIP_SPACES();
	if (')' != *sz++)
	MD5Parser::ReportWarning("Unexpected token: ) was expected",elem.iLineNumber);
	AI_MD5_SKIP_SPACES();
	vert.mFirstWeight = ::strtoul10(sz,&sz);
	AI_MD5_SKIP_SPACES();
	vert.mNumWeights = ::strtoul10(sz,&sz);
	}
	// tri attribute
	// "tri 0 15 13 12"
	else if (TokenMatch(sz,"tri",3)) {
	AI_MD5_SKIP_SPACES();
	const unsigned int idx = strtoul10(sz,&sz);
	if (idx >= desc.mFaces.size())
	desc.mFaces.resize(idx+1);

	aiFace& face = desc.mFaces[idx];
	face.mIndices = new unsigned int[face.mNumIndices = 3];
	for (unsigned int i = 0; i < 3;++i) {
	AI_MD5_SKIP_SPACES();
	face.mIndices[i] = strtoul10(sz,&sz);
	}
	}
	// weight attribute
	// "weight 362 5 0.500000 ( -3.553583 11.893474 9.719339 )"
	else if (TokenMatch(sz,"weight",6)) {
	AI_MD5_SKIP_SPACES();
	const unsigned int idx = strtoul10(sz,&sz);
	AI_MD5_SKIP_SPACES();
	if (idx >= desc.mWeights.size())
	desc.mWeights.resize(idx+1);

	WeightDesc& weight = desc.mWeights[idx];
	weight.mBone = strtoul10(sz,&sz);
	AI_MD5_SKIP_SPACES();
	sz = fast_atoreal_move<float>(sz,weight.mWeight);
	AI_MD5_READ_TRIPLE(weight.vOffsetPosition);
	}
	}
	}
	}
	DefaultLogger::get()->debug("MD5MeshParser end");
	}

	// ------------------------------------------------------------------------------------------------
	// .MD5ANIM parsing function
	MD5AnimParser::MD5AnimParser(SectionList& mSections)
	{
	DefaultLogger::get()->debug("MD5AnimParser begin");

	fFrameRate = 24.0f;
	mNumAnimatedComponents = UINT_MAX;
	for (SectionList::const_iterator iter = mSections.begin(), iterEnd = mSections.end();iter != iterEnd;++iter) {
	if ((*iter).mName == "hierarchy") {
	// "sheath" 0 63 6
	for (const auto & elem : (*iter).mElements) {
	mAnimatedBones.push_back ( AnimBoneDesc () );
	AnimBoneDesc& desc = mAnimatedBones.back();

	const char* sz = elem.szStart;
	AI_MD5_PARSE_STRING_IN_QUOTATION(desc.mName);
	AI_MD5_SKIP_SPACES();

	// parent index - negative values are allowed (at least -1)
	desc.mParentIndex = ::strtol10(sz,&sz);

	// flags (highest is 2^6-1)
	AI_MD5_SKIP_SPACES();
	if(63 < (desc.iFlags = ::strtoul10(sz,&sz))){
	MD5Parser::ReportWarning("Invalid flag combination in hierarchy section",elem.iLineNumber);
	}
	AI_MD5_SKIP_SPACES();

	// index of the first animation keyframe component for this joint
	desc.iFirstKeyIndex = ::strtoul10(sz,&sz);
	}
	}
	else if((*iter).mName == "baseframe") {
	// ( -0.000000 0.016430 -0.006044 ) ( 0.707107 0.000242 0.707107 )
	for (const auto & elem : (*iter).mElements) {
	const char* sz = elem.szStart;

	mBaseFrames.push_back ( BaseFrameDesc () );
	BaseFrameDesc& desc = mBaseFrames.back();

	AI_MD5_READ_TRIPLE(desc.vPositionXYZ);
	AI_MD5_READ_TRIPLE(desc.vRotationQuat);
	}
	}
	else if((*iter).mName == "frame") {
	if (!(*iter).mGlobalValue.length()) {
	MD5Parser::ReportWarning("A frame section must have a frame index",(*iter).iLineNumber);
	continue;
	}

	mFrames.push_back ( FrameDesc () );
	FrameDesc& desc = mFrames.back();
	desc.iIndex = strtoul10((*iter).mGlobalValue.c_str());

	// we do already know how much storage we will presumably need
	if (UINT_MAX != mNumAnimatedComponents) {
	desc.mValues.reserve(mNumAnimatedComponents);
	}

	// now read all elements (continuous list of floats)
	for (const auto & elem : (*iter).mElements){
	const char* sz = elem.szStart;
	while (SkipSpacesAndLineEnd(&sz)) {
	float f;sz = fast_atoreal_move<float>(sz,f);
	desc.mValues.push_back(f);
	}
	}
	}
	else if((*iter).mName == "numFrames") {
	mFrames.reserve(strtoul10((*iter).mGlobalValue.c_str()));
	}
	else if((*iter).mName == "numJoints") {
	const unsigned int num = strtoul10((*iter).mGlobalValue.c_str());
	mAnimatedBones.reserve(num);

	// try to guess the number of animated components if that element is not given
	if (UINT_MAX == mNumAnimatedComponents) {
	mNumAnimatedComponents = num * 6;
	}
	}
	else if((*iter).mName == "numAnimatedComponents") {
	mAnimatedBones.reserve( strtoul10((*iter).mGlobalValue.c_str()));
	}
	else if((*iter).mName == "frameRate") {
	fast_atoreal_move<float>((*iter).mGlobalValue.c_str(),fFrameRate);
	}
	}
	DefaultLogger::get()->debug("MD5AnimParser end");
	}

	// ------------------------------------------------------------------------------------------------
	// .MD5CAMERA parsing function
	MD5CameraParser::MD5CameraParser(SectionList& mSections)
	{
	DefaultLogger::get()->debug("MD5CameraParser begin");
	fFrameRate = 24.0f;

	for (SectionList::const_iterator iter = mSections.begin(), iterEnd = mSections.end();iter != iterEnd;++iter) {
	if ((*iter).mName == "numFrames") {
	frames.reserve(strtoul10((*iter).mGlobalValue.c_str()));
	}
	else if ((*iter).mName == "frameRate") {
	fFrameRate = fast_atof ((*iter).mGlobalValue.c_str());
	}
	else if ((*iter).mName == "numCuts") {
	cuts.reserve(strtoul10((*iter).mGlobalValue.c_str()));
	}
	else if ((*iter).mName == "cuts") {
	for (const auto & elem : (*iter).mElements){
	cuts.push_back(strtoul10(elem.szStart)+1);
	}
	}
	else if ((*iter).mName == "camera") {
	for (const auto & elem : (*iter).mElements){
	const char* sz = elem.szStart;

	frames.push_back(CameraAnimFrameDesc());
	CameraAnimFrameDesc& cur = frames.back();
	AI_MD5_READ_TRIPLE(cur.vPositionXYZ);
	AI_MD5_READ_TRIPLE(cur.vRotationQuat);
	AI_MD5_SKIP_SPACES();
	cur.fFOV = fast_atof(sz);
	}
	}
	}
	DefaultLogger::get()->debug("MD5CameraParser end");
	}