//---------------------------------------------------------------------
void OgreMeshDeserializer::readMesh()
{
//First value is whether it's skeletally animated
m_stream.seekg(sizeof(bool), std::ios_base::cur);
// Find all substreams
if (!m_stream.eof()) {
unsigned short streamID = readChunk(m_stream);
while (!m_stream.eof() &&
(streamID == M_GEOMETRY ||
streamID == M_SUBMESH ||
streamID == M_MESH_SKELETON_LINK ||
streamID == M_MESH_BONE_ASSIGNMENT ||
streamID == M_MESH_LOD_LEVEL ||
streamID == M_MESH_BOUNDS ||
streamID == M_SUBMESH_NAME_TABLE ||
streamID == M_EDGE_LISTS ||
streamID == M_POSES ||
streamID == M_ANIMATIONS ||
streamID == M_TABLE_EXTREMES)) {
switch (streamID) {
case M_GEOMETRY:
readGeometry();
break;
case M_SUBMESH:
readSubMesh();
break;
case M_MESH_BOUNDS:
readBoundsInfo();
break;
default:
skipChunk(m_stream);
}
if (!m_stream.eof()) {
streamID = readChunk(m_stream);
}
}
if (!m_stream.eof()) {
// Backpedal back to start of m_stream
backpedalChunkHeader(m_stream);
}
}
}
void ObjLoader::readMultiMeshFromFile(Model3D *pModel,const char *strFileName)
{
ifstream in(strFileName);
char strLine[256];
string first;
model_ = pModel;
Mesh3D mesh;
if(!in.is_open())
{
std::cerr<<"Unable to open file: "<<strFileName<<std::endl;
exit(0);
}
//count the number of sub-meshes
int subMeshes = 0;
offset_ = 0;
while(!in.eof())
{
in>>first;
if(first == string("g"))
{
subMeshes++;
in.getline(strLine,256);
}
else
in.getline(strLine,256);
}//end while
in.clear();
in.seekg(0,ios::beg);
for(int i=0;i< subMeshes;i++)
{
Mesh3D mesh;
readSubMesh(in,&mesh);
pModel->meshes_.push_back(mesh);
offset_+=mesh.getNumVerts();
}
}//end ReadMultiMeshFromFile
void
OgreMeshReader::readMesh(void)
{
OSG_OGRE_LOG(("OgreMeshReader::readMesh\n"));
bool skelAnim = readBool(_is);
bool stop = false;
Int16 boneIdxVE = -1;
Int16 boneWeightVE = -1;
VertexElementStore sharedVertexElements;
SubMeshStore subMeshInfo;
while(_is)
{
readChunkHeader(_is);
switch(_header.chunkId)
{
case CHUNK_SUBMESH:
readSubMesh(subMeshInfo, sharedVertexElements, skelAnim);
break;
case CHUNK_GEOMETRY:
readGeometry(sharedVertexElements);
break;
case CHUNK_MESH_SKELETON_LINK:
readMeshSkeletonLink(subMeshInfo);
break;
case CHUNK_MESH_BONE_ASSIGNMENT:
readMeshBoneAssignment(sharedVertexElements, boneIdxVE, boneWeightVE);
break;
case CHUNK_MESH_LOD:
readMeshLOD();
break;
case CHUNK_MESH_BOUNDS:
readMeshBounds();
break;
case CHUNK_SUBMESH_NAME_TABLE:
readSubMeshNameTable(subMeshInfo);
break;
case CHUNK_EDGE_LISTS:
readEdgeLists();
break;
case CHUNK_POSES:
readPoses();
break;
case CHUNK_ANIMATIONS:
readAnimations();
break;
case CHUNK_TABLE_EXTREMES:
readTableExtremes();
break;
default:
OSG_OGRE_LOG(("OgreMeshReader::readMesh: Unknown chunkId '0x%x'\n",
_header.chunkId));
stop = true;
break;
};
if(stop == true)
{
skip(_is, -_chunkHeaderSize);
break;
}
}
if(boneIdxVE >= 0 || boneWeightVE >= 0)
{
verifyBoneAssignment(sharedVertexElements, boneIdxVE, boneWeightVE);
}
SubMeshStore::iterator smIt = subMeshInfo.begin();
SubMeshStore::iterator smEnd = subMeshInfo.end ();
for(; smIt != smEnd; ++smIt)
{
if((*smIt).sharedVertex == true)
{
constructSubMesh(*smIt, sharedVertexElements);
}
else
{
constructSubMesh(*smIt, (*smIt).vertexElements);
}
}
}
void readMesh(IOReadBase* pRead, iModelData* pModelData)
{
bool skeletallyAnimated;
pRead->Read(&skeletallyAnimated,sizeof(bool));
// Find all substreams
if (!pRead->IsEof())
{
CSubMesh sharedSubMesh;
unsigned short streamID;
unsigned int uLength;
pRead->Read(&streamID,sizeof(unsigned short));
pRead->Read(&uLength,sizeof(unsigned int));
while(!pRead->IsEof() &&
(streamID == M_GEOMETRY ||
streamID == M_SUBMESH ||
streamID == M_MESH_SKELETON_LINK ||
streamID == M_MESH_BONE_ASSIGNMENT ||
streamID == M_MESH_LOD ||
streamID == M_MESH_BOUNDS ||
streamID == M_SUBMESH_NAME_TABLE ||
streamID == M_EDGE_LISTS ||
streamID == M_POSES ||
streamID == M_ANIMATIONS ||
streamID == M_TABLE_EXTREMES))
{
switch(streamID)
{
case M_GEOMETRY:
{
//MessageBoxW(NULL, L"M_GEOMETRY", L"readMesh",0);
readGeometry(pRead, sharedSubMesh);
}
break;
case M_SUBMESH:
readSubMesh(pRead, pModelData, sharedSubMesh);
break;
case M_MESH_SKELETON_LINK:
{
std::string skelName = readString(pRead);
// if(listener)
// listener->processSkeletonName(pMesh, &skelName);
//
// pMesh->setSkeletonName(skelName);
//readSkeletonLink(stream, pMesh, listener);
}
break;
case M_MESH_BONE_ASSIGNMENT:
//readMeshBoneAssignment(stream, pMesh);
{
VertexBoneAssignment assign;
// unsigned int vertexIndex;
pRead->Read(&(assign.vertexIndex),sizeof(unsigned int));
// unsigned short boneIndex;
pRead->Read(&(assign.boneIndex),sizeof(unsigned short));
// float weight;
pRead->Read(&(assign.weight),sizeof(float));
//sub->addBoneAssignment(assign);
}
break;
case M_MESH_LOD:
MessageBoxW(NULL,L"M_MESH_LOD",0,0);
//readMeshLodInfo(stream, pMesh);
break;
case M_MESH_BOUNDS:
//readBoundsInfo(stream, pMesh);
{
Vec3D min, max;
// float minx, miny, minz
pRead->Read(&min,sizeof(Vec3D));
// float maxx, maxy, maxz
pRead->Read(&max,sizeof(Vec3D));
//AxisAlignedBox box(min, max);
//pMesh->_setBounds(box, true);
// float radius
float radius;
pRead->Read(&radius,sizeof(float));
//pMesh->_setBoundingSphereRadius(radius);
}
break;
case M_SUBMESH_NAME_TABLE:
MessageBoxW(NULL,L"M_SUBMESH_NAME_TABLE",0,0);
//readSubMeshNameTable(stream, pMesh);
break;
case M_EDGE_LISTS:
MessageBoxW(NULL,L"M_EDGE_LISTS",0,0);
//readEdgeList(stream, pMesh);
break;
case M_POSES:
MessageBoxW(NULL,L"M_POSES",0,0);
//readPoses(stream, pMesh);
break;
case M_ANIMATIONS:
MessageBoxW(NULL,L"M_ANIMATIONS",0,0);
//readAnimations(stream, pMesh);
break;
case M_TABLE_EXTREMES:
MessageBoxW(NULL,L"M_TABLE_EXTREMES",0,0);
//readExtremes(stream, pMesh);
break;
}
if (!pRead->IsEof())
{
pRead->Read(&streamID,sizeof(unsigned short));
pRead->Read(&uLength,sizeof(unsigned int));
}
}
if (!pRead->IsEof())
{
// Backpedal back to start of non-submesh stream
pRead->Move(-STREAM_OVERHEAD_SIZE);
}
}
}
