v4games
/
assimp
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update to the LWO loader. Still WIP. 

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@104 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
pull/1/head
aramis_acg 2008-08-10 23:58:21 +00:00
parent 6f49c4518c
commit 9bc8e8701f
4 changed files with 314 additions and 208 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

109
code/ASELoader.cpp
View File

@ -93,8 +93,8 @@ bool ASEImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler) const
if (extension[2] != 's' && extension[2] != 'S')return false;
// NOTE: Sometimes the extension .ASK is also used
// however, often it only contains static animation skeletons
// without real animations.
// however, it often contains static animation skeletons
// only (without real animations).
if (extension[3] != 'e' && extension[3] != 'E' &&
extension[3] != 'k' && extension[3] != 'K')return false;
@ -112,77 +112,70 @@ void ASEImporter::InternReadFile(
throw new ImportErrorException( "Failed to open ASE file " + pFile + ".");
size_t fileSize = file->FileSize();
std::string::size_type pos = pFile.find_last_of('.');
std::string extension = pFile.substr( pos);
// allocate storage and copy the contents of the file to a memory buffer
// (terminate it with zero)
this->mBuffer = new unsigned char[fileSize+1];
std::vector<char> mBuffer2(fileSize+1);
file->Read( &mBuffer2[0], 1, fileSize);
mBuffer2[fileSize] = '\0';
this->mBuffer = &mBuffer2[0];
this->pcScene = pScene;
file->Read( (void*)mBuffer, 1, fileSize);
this->mBuffer[fileSize] = '\0';
// construct an ASE parser and parse the file
this->mParser = new ASE::Parser((const char*)this->mBuffer);
try
// TODO: clean this up, mParser should be a reference, not a pointer ...
ASE::Parser parser(this->mBuffer);
this->mParser = &parser;
this->mParser->Parse();
// if absolutely no material has been loaded from the file
// we need to generate a default material
this->GenerateDefaultMaterial();
// process all meshes
std::vector<aiMesh*> avOutMeshes;
avOutMeshes.reserve(this->mParser->m_vMeshes.size()*2);
for (std::vector<ASE::Mesh>::iterator
i = this->mParser->m_vMeshes.begin();
i != this->mParser->m_vMeshes.end();++i)
{
this->mParser->Parse();
if ((*i).bSkip)continue;
// if absolutely no material has been loaded from the file
// we need to generate a default material
this->GenerateDefaultMaterial();
this->TransformVertices(*i);
// now we need to create proper meshes from the import we need to
// split them by materials, build valid vertex/face lists ...
this->BuildUniqueRepresentation(*i);
// process all meshes
std::vector<aiMesh*> avOutMeshes;
avOutMeshes.reserve(this->mParser->m_vMeshes.size()*2);
for (std::vector<ASE::Mesh>::iterator
i = this->mParser->m_vMeshes.begin();
i != this->mParser->m_vMeshes.end();++i)
{
if ((*i).bSkip)continue;
this->TransformVertices(*i);
// now we need to create proper meshes from the import we need to
// split them by materials, build valid vertex/face lists ...
this->BuildUniqueRepresentation(*i);
// need to generate proper vertex normals if necessary
this->GenerateNormals(*i);
// convert all meshes to aiMesh objects
this->ConvertMeshes(*i,avOutMeshes);
}
// now build the output mesh list. remove dummies
pScene->mNumMeshes = (unsigned int)avOutMeshes.size();
aiMesh** pp = pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
for (std::vector<aiMesh*>::const_iterator
i = avOutMeshes.begin();
i != avOutMeshes.end();++i)
{
if (!(*i)->mNumFaces)continue;
*pp++ = *i;
}
pScene->mNumMeshes = (unsigned int)(pp - pScene->mMeshes);
// buil final material indices (remove submaterials and make the final list)
this->BuildMaterialIndices();
// build the final node graph
this->BuildNodes();
// build output animations
this->BuildAnimations();
// need to generate proper vertex normals if necessary
this->GenerateNormals(*i);
// convert all meshes to aiMesh objects
this->ConvertMeshes(*i,avOutMeshes);
}
catch (ImportErrorException* ex)
// now build the output mesh list. remove dummies
pScene->mNumMeshes = (unsigned int)avOutMeshes.size();
aiMesh** pp = pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
for (std::vector<aiMesh*>::const_iterator
i = avOutMeshes.begin();
i != avOutMeshes.end();++i)
{
delete this->mParser; AI_DEBUG_INVALIDATE_PTR( this->mParser );
delete[] this->mBuffer; AI_DEBUG_INVALIDATE_PTR( this->mBuffer );
throw ex;
if (!(*i)->mNumFaces)continue;
*pp++ = *i;
}
delete this->mParser; AI_DEBUG_INVALIDATE_PTR( this->mParser );
delete[] this->mBuffer; AI_DEBUG_INVALIDATE_PTR( this->mBuffer );
pScene->mNumMeshes = (unsigned int)(pp - pScene->mMeshes);
// buil final material indices (remove submaterials and make the final list)
this->BuildMaterialIndices();
// build the final node graph
this->BuildNodes();
// build output animations
this->BuildAnimations();
return;
}
// ------------------------------------------------------------------------------------------------

2
code/ASELoader.h
View File

@ -164,7 +164,7 @@ protected:
ASE::Parser* mParser;
/** Buffer to hold the loaded file */
unsigned char* mBuffer;
char* mBuffer;
/** Scene to be filled */
aiScene* pcScene;

369
code/LWOLoader.cpp
View File

@ -70,9 +70,6 @@ LWOImporter::LWOImporter()
// Destructor, private as well
LWOImporter::~LWOImporter()
{
mFaces.clear();
mTempPoints.clear();
mSurfaces.clear();
}
// ------------------------------------------------------------------------------------------------
@ -122,112 +119,122 @@ void LWOImporter::InternReadFile( const std::string& pFile,
mFileBuffer = &mBuffer[0] + 12;
fileSize -= 12;
try
// create temporary storage on the stack but store points to
// it in the class instance. Therefoe everything will be destructed
// properly if an exception is thrown.
PointList _mTempPoints;
mTempPoints = &_mTempPoints;
FaceList _mFaces;
mFaces = &_mFaces;
TagList _mTags;
mTags = &_mTags;
TagMappingTable _mMapping;
mMapping = &_mMapping;
SurfaceList _mSurfaces;
mSurfaces = &_mSurfaces;
// old lightwave file format (prior to v6)
if (AI_LWO_FOURCC_LWOB == fileType)this->LoadLWOBFile();
// new lightwave format
else if (AI_LWO_FOURCC_LWO2 == fileType)this->LoadLWO2File();
// we don't know this format
else
{
// old lightwave file format (prior to v6)
if (AI_LWO_FOURCC_LWOB == fileType)
this->LoadLWOBFile();
// new lightwave format
else if (AI_LWO_FOURCC_LWO2 == fileType)
this->LoadLWO2File();
// we don't know this format
else
{
char szBuff[5];
szBuff[0] = (char)(fileType >> 24u);
szBuff[1] = (char)(fileType >> 16u);
szBuff[2] = (char)(fileType >> 8u);
szBuff[3] = (char)(fileType);
throw new ImportErrorException(std::string("Unknown LWO sub format: ") + szBuff);
}
// generate a default surface if necessary
if (mSurfaces.empty())
mSurfaces.push_back(LWO::Surface());
// now sort all faces by the surfaces assigned to them
typedef std::vector<unsigned int> SortedRep;
std::vector<SortedRep> pSorted(mSurfaces.size());
unsigned int i = 0;
for (FaceList::iterator it = mFaces.begin(), end = mFaces.end();
it != end;++it,++i)
{
if ((*it).surfaceIndex >= mSurfaces.size())
{
DefaultLogger::get()->warn("LWO: Invalid face surface index");
(*it).surfaceIndex = mSurfaces.size()-1;
}
pSorted[(*it).surfaceIndex].push_back(i);
}
// now generate output meshes
for (unsigned int p = 0; p < mSurfaces.size();++p)
if (!pSorted[p].empty())pScene->mNumMeshes++;
if (!(pScene->mNumMaterials = pScene->mNumMeshes))
throw new ImportErrorException("LWO: There are no meshes");
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials];
for (unsigned int p = 0,i = 0;i < mSurfaces.size();++i)
{
SortedRep& sorted = pSorted[i];
if (sorted.empty())continue;
// generate the mesh
aiMesh* mesh = pScene->mMeshes[p] = new aiMesh();
mesh->mNumFaces = sorted.size();
for (SortedRep::const_iterator it = sorted.begin(), end = sorted.end();
it != end;++it)
{
mesh->mNumVertices += mFaces[*it].mNumIndices;
}
mesh->mVertices = new aiVector3D[mesh->mNumVertices];
mesh->mFaces = new aiFace[mesh->mNumFaces];
mesh->mMaterialIndex = p;
// now convert all faces
unsigned int vert = 0;
for (SortedRep::const_iterator it = sorted.begin(), end = sorted.end();
it != end;++it)
{
LWO::Face& face = mFaces[*it];
// copy all vertices
for (unsigned int q = 0; q < face.mNumIndices;++q)
{
*mesh->mVertices++ = mTempPoints[face.mIndices[q]];
face.mIndices[q] = vert++;
}
mesh->mFaces->mIndices = face.mIndices;
mesh->mFaces->mNumIndices = face.mNumIndices;
face.mIndices = NULL; // make sure it won't be deleted
mesh->mFaces++;
}
mesh->mFaces -= mesh->mNumFaces;
mesh->mVertices -= mesh->mNumVertices;
// generate the corresponding material
MaterialHelper* pcMat = new MaterialHelper();
pScene->mMaterials[p] = pcMat;
// todo
++p;
}
char szBuff[5];
szBuff[0] = (char)(fileType >> 24u);
szBuff[1] = (char)(fileType >> 16u);
szBuff[2] = (char)(fileType >> 8u);
szBuff[3] = (char)(fileType);
throw new ImportErrorException(std::string("Unknown LWO sub format: ") + szBuff);
}
// make sure the arrays are cleaned up ...
catch (ImportErrorException* ex)
ResolveTags();
// now sort all faces by the surfaces assigned to them
typedef std::vector<unsigned int> SortedRep;
std::vector<SortedRep> pSorted(mSurfaces->size()+1);
unsigned int i = 0;
unsigned int iDefaultSurface = 0xffffffff;
for (FaceList::iterator it = mFaces->begin(), end = mFaces->end();
it != end;++it,++i)
{
this->~LWOImporter();
throw ex;
unsigned int idx = (*it).surfaceIndex;
if (idx >= mTags->size())
{
DefaultLogger::get()->warn("LWO: Invalid face surface index");
idx = mTags->size()-1;
}
if(0xffffffff == (idx = _mMapping[idx]))
{
if (0xffffffff == iDefaultSurface)
{
iDefaultSurface = mSurfaces->size();
mSurfaces->push_back(LWO::Surface());
LWO::Surface& surf = mSurfaces->back();
surf.mColor.r = surf.mColor.g = surf.mColor.b = 0.6f;
}
idx = iDefaultSurface;
}
pSorted[idx].push_back(i);
}
if (0xffffffff == iDefaultSurface)pSorted.erase(pSorted.end()-1);
// now generate output meshes
for (unsigned int p = 0; p < mSurfaces->size();++p)
if (!pSorted[p].empty())pScene->mNumMeshes++;
if (!(pScene->mNumMaterials = pScene->mNumMeshes))
throw new ImportErrorException("LWO: There are no meshes");
pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials];
for (unsigned int p = 0,i = 0;i < mSurfaces->size();++i)
{
SortedRep& sorted = pSorted[i];
if (sorted.empty())continue;
// generate the mesh
aiMesh* mesh = pScene->mMeshes[p] = new aiMesh();
mesh->mNumFaces = sorted.size();
for (SortedRep::const_iterator it = sorted.begin(), end = sorted.end();
it != end;++it)
{
mesh->mNumVertices += _mFaces[*it].mNumIndices;
}
aiVector3D* pv = mesh->mVertices = new aiVector3D[mesh->mNumVertices];
aiFace* pf = mesh->mFaces = new aiFace[mesh->mNumFaces];
mesh->mMaterialIndex = p;
// now convert all faces
unsigned int vert = 0;
for (SortedRep::const_iterator it = sorted.begin(), end = sorted.end();
it != end;++it)
{
LWO::Face& face = _mFaces[*it];
// copy all vertices
for (unsigned int q = 0; q < face.mNumIndices;++q)
{
*pv++ = _mTempPoints[face.mIndices[q]];
face.mIndices[q] = vert++;
}
pf->mIndices = face.mIndices;
pf->mNumIndices = face.mNumIndices;
face.mIndices = NULL; // make sure it won't be deleted
pf++;
}
// generate the corresponding material
MaterialHelper* pcMat = new MaterialHelper();
pScene->mMaterials[p] = pcMat;
//ConvertMaterial(mSurfaces[i],pcMat);
++p;
}
this->~LWOImporter();
}
// ------------------------------------------------------------------------------------------------
void LWOImporter::CountVertsAndFaces(unsigned int& verts, unsigned int& faces,
@ -248,29 +255,34 @@ void LWOImporter::CountVertsAndFaces(unsigned int& verts, unsigned int& faces,
}
}
// ------------------------------------------------------------------------------------------------
void LWOImporter::CopyFaceIndices(LWOImporter::FaceList::iterator& it,LE_NCONST uint8_t*& cursor,
const uint8_t* const end, unsigned int max)
void LWOImporter::CopyFaceIndices(LWOImporter::FaceList::iterator& it,
LE_NCONST uint8_t*& cursor,
const uint8_t* const end,
unsigned int max)
{
while (cursor < end && max--)
{
LWO::Face& face = *it;++it;
face.mNumIndices = *((uint16_t*)cursor);
if (cursor + face.mNumIndices*2 + 4 >= end)break;
face.mIndices = new unsigned int[face.mNumIndices];
for (unsigned int i = 0; i < face.mNumIndices;++i)
if(face.mNumIndices = *((uint16_t*)cursor))
{
face.mIndices[i] = *((uint16_t*)(cursor+=2));
if (face.mIndices[i] >= mTempPoints.size())
if (cursor + face.mNumIndices*2 + 4 >= end)break;
face.mIndices = new unsigned int[face.mNumIndices];
for (unsigned int i = 0; i < face.mNumIndices;++i)
{
face.mIndices[i] = mTempPoints.size()-1;
DefaultLogger::get()->warn("LWO: Face index is out of range");
face.mIndices[i] = *((uint16_t*)(cursor+=2));
if (face.mIndices[i] >= mTempPoints->size())
{
face.mIndices[i] = mTempPoints->size()-1;
DefaultLogger::get()->warn("LWO: Face index is out of range");
}
}
}
else DefaultLogger::get()->warn("LWO: Face has 0 indices");
cursor+=2;
int16_t surface = *((uint16_t*)cursor);cursor+=2;
if (surface < 0)
{
surface *= -1;
surface = -surface;
// there are detail polygons
uint16_t numPolygons = *((uint16_t*)cursor);cursor+=2;
@ -279,12 +291,81 @@ void LWOImporter::CopyFaceIndices(LWOImporter::FaceList::iterator& it,LE_NCONST
face.surfaceIndex = surface-1;
}
}
// ------------------------------------------------------------------------------------------------
void LWOImporter::ResolveTags()
{
mMapping->resize(mTags->size(),0xffffffff);
for (unsigned int a = 0; a < mTags->size();++a)
{
for (unsigned int i = 0; i < mSurfaces->size();++i)
{
if ((*mTags)[a] == (*mSurfaces)[i].mName)
{
(*mMapping)[a] = i;
break;
}
}
}
}
// ------------------------------------------------------------------------------------------------
void LWOImporter::ParseString(std::string& out,unsigned int max)
{
unsigned int iCursor = 0;
const char* in = (const char*)mFileBuffer,*sz = in;
while (*in)
{
if (++iCursor > max)
{
DefaultLogger::get()->warn("LWOB: Invalid file, texture name (TIMG) is too long");
break;
}
++in;
}
unsigned int len = unsigned int (in-sz);
out = std::string(sz,len);
}
// ------------------------------------------------------------------------------------------------
void LWOImporter::AdjustTexturePath(std::string& out)
{
if (::strstr(out.c_str(), "(sequence)"))
{
// remove the (sequence) and append 000
DefaultLogger::get()->info("LWO: Sequence of animated texture found. It will be ignored");
out = out.substr(0,out.length()-10) + "000";
}
}
// ------------------------------------------------------------------------------------------------
#define AI_LWO_VALIDATE_CHUNK_LENGTH(name,size) \
if (head->length < size) \
{ \
DefaultLogger::get()->warn("LWO: "#name" chunk is too small"); \
break; \
} \
// ------------------------------------------------------------------------------------------------
void LWOImporter::LoadLWOTags(unsigned int size)
{
const char* szCur = (const char*)mFileBuffer, *szLast = szCur;
const char* const szEnd = szLast+size;
while (szCur < szEnd)
{
if (!(*szCur++))
{
const unsigned int len = unsigned int(szCur-szLast);
mTags->push_back(std::string(szLast,len));
szCur += len & 1;
szLast = szCur;
}
}
}
// ------------------------------------------------------------------------------------------------
void LWOImporter::LoadLWOBSurface(unsigned int size)
{
uint32_t iCursor = 0;
mSurfaces.push_back( LWO::Surface () );
LWO::Surface& surf = mSurfaces.back();
mSurfaces->push_back( LWO::Surface () );
LWO::Surface& surf = mSurfaces->back();
LWO::Texture* pTex = NULL;
// at first we'll need to read the name of the surface
@ -309,16 +390,13 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
"a surface sub chunk points behind the end of the file");
}
mFileBuffer += sizeof(IFF::ChunkHeader);
LE_NCONST uint8_t* next = mFileBuffer+head->length;
switch (head->type)
{
// diffuse color
case AI_LWO_COLR:
{
if (head->length < 3)
{
DefaultLogger::get()->warn("LWO: COLR chunk is expected to be at least 3 bytes in size");
break;
}
AI_LWO_VALIDATE_CHUNK_LENGTH(COLR,3);
surf.mColor.r = *mFileBuffer++ / 255.0f;
surf.mColor.g = *mFileBuffer++ / 255.0f;
surf.mColor.b = *mFileBuffer / 255.0f;
@ -327,6 +405,7 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
// diffuse strength ... hopefully
case AI_LWO_DIFF:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(DIFF,2);
AI_LSWAP2(mFileBuffer);
surf.mDiffuseValue = *((int16_t*)mFileBuffer) / 255.0f;
break;
@ -334,6 +413,7 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
// specular strength ... hopefully
case AI_LWO_SPEC:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(SPEC,2);
AI_LSWAP2(mFileBuffer);
surf.mSpecularValue = *((int16_t*)mFileBuffer) / 255.0f;
break;
@ -341,6 +421,7 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
// transparency
case AI_LWO_TRAN:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(TRAN,2);
AI_LSWAP2(mFileBuffer);
surf.mTransparency = *((int16_t*)mFileBuffer) / 255.0f;
break;
@ -348,6 +429,7 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
// glossiness
case AI_LWO_GLOS:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(GLOS,2);
AI_LSWAP2(mFileBuffer);
surf.mGlossiness = float(*((int16_t*)mFileBuffer));
break;
@ -387,18 +469,9 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
{
if (pTex)
{
unsigned int iCursor = 0;
while (*mFileBuffer)
{
if (++iCursor > head->length)
{
DefaultLogger::get()->warn("LWOB: Invalid file, texture name (TIMG) is too long");
break;
}
++mFileBuffer;
}
unsigned int len = unsigned int (mFileBuffer-sz);
pTex->mFileName = std::string((const char*)sz,len);
ParseString(pTex->mFileName,head->length);
AdjustTexturePath(pTex->mFileName);
mFileBuffer += pTex->mFileName.length();
}
else DefaultLogger::get()->warn("LWOB: TIMG tag was encuntered although "
"there was no xTEX tag before");
@ -407,13 +480,14 @@ void LWOImporter::LoadLWOBSurface(unsigned int size)
// texture strength
case AI_LWO_TVAL:
{
AI_LWO_VALIDATE_CHUNK_LENGTH(TVAL,1);
if (pTex)pTex->mStrength = *mFileBuffer / 255.0f;
else DefaultLogger::get()->warn("LWOB: TVAL tag was encuntered "
"although there was no xTEX tag before");
break;
}
}
mFileBuffer += head->length;
mFileBuffer = next;
}
}
// ------------------------------------------------------------------------------------------------
@ -433,17 +507,18 @@ void LWOImporter::LoadLWOBFile()
break;
}
mFileBuffer += sizeof(IFF::ChunkHeader);
LE_NCONST uint8_t* next = mFileBuffer+head->length;
switch (head->type)
{
// vertex list
case AI_LWO_PNTS:
{
mTempPoints.resize( head->length / 12 );
mTempPoints->resize( head->length / 12 );
#ifndef AI_BUILD_BIG_ENDIAN
for (unsigned int i = 0; i < head->length>>2;++i)
ByteSwap::Swap4( mFileBuffer + (i << 2));
#endif
::memcpy(&mTempPoints[0],mFileBuffer,head->length);
::memcpy(&(*mTempPoints)[0],mFileBuffer,head->length);
break;
}
// face list
@ -464,13 +539,21 @@ void LWOImporter::LoadLWOBFile()
// allocate the output array and copy face indices
if (iNumFaces)
{
this->mTempPoints.resize(iNumVertices);
this->mFaces.resize(iNumFaces);
FaceList::iterator it = this->mFaces.begin();
CopyFaceIndices(it,mFileBuffer,end);
cursor = mFileBuffer;
this->mTempPoints->resize(iNumVertices);
this->mFaces->resize(iNumFaces);
FaceList::iterator it = this->mFaces->begin();
CopyFaceIndices(it,cursor,end);
}
break;
}
// list of tags
case AI_LWO_SRFS:
{
LoadLWOTags(head->length);
break;
}
// surface chunk
case AI_LWO_SURF:
{
@ -478,7 +561,7 @@ void LWOImporter::LoadLWOBFile()
break;
}
}
mFileBuffer += head->length;
mFileBuffer = next;
}
}
// ------------------------------------------------------------------------------------------------

42
code/LWOLoader.h
View File

@ -107,10 +107,23 @@ protected:
*/
void LoadLWOBSurface(unsigned int size);
// -------------------------------------------------------------------
/** Loads the LWO tag list from the file
*/
void LoadLWOTags(unsigned int size);
typedef std::vector<aiVector3D> PointList;
typedef std::vector<LWO::Face> FaceList;
typedef std::vector<LWO::Surface> SurfaceList;
// -------------------------------------------------------------------
/** Resolve the tag and surface lists that have been loaded.
* Generates the mMapping table.
*/
void ResolveTags();
typedef std::vector<aiVector3D> PointList;
typedef std::vector<LWO::Face> FaceList;
typedef std::vector<LWO::Surface> SurfaceList;
typedef std::vector<std::string> TagList;
typedef std::vector<unsigned int> TagMappingTable;
private:
@ -131,16 +144,33 @@ private:
const uint8_t* const end,
unsigned int max = 0xffffffff);
// -------------------------------------------------------------------
/** Parse a string from the current file position
*/
void ParseString(std::string& out,unsigned int max);
// -------------------------------------------------------------------
/** Adjust a texture path
*/
void AdjustTexturePath(std::string& out);
protected:
/** Temporary point list from the file */
PointList mTempPoints;
PointList* mTempPoints;
/** Temporary face list from the file*/
FaceList mFaces;
FaceList* mFaces;
/** Temporary tag list from the file */
TagList* mTags;
/** Mapping table to convert from tag to surface indices.
0xffffffff indicates that a no corresponding surface is available */
TagMappingTable* mMapping;
/** Temporary surface list from the file */
SurfaceList mSurfaces;
SurfaceList* mSurfaces;
/** file buffer */
LE_NCONST uint8_t* mFileBuffer;