void
loadMeshes( CalCoreModel* calCoreModel,
MeshesVector& meshes )
throw (std::runtime_error)
{
const int maxVertices = Constants::MAX_VERTEX_PER_MODEL;
const int maxFaces = Constants::MAX_VERTEX_PER_MODEL * 3;
std::auto_ptr< CalHardwareModel > calHardwareModel( new CalHardwareModel( calCoreModel ) );
osg::ref_ptr< VertexBuffer > vertexBuffer( new VertexBuffer( maxVertices ) );
osg::ref_ptr< WeightBuffer > weightBuffer( new WeightBuffer( maxVertices ) );
osg::ref_ptr< MatrixIndexBuffer > matrixIndexBuffer( new MatrixIndexBuffer( maxVertices ) );
osg::ref_ptr< NormalBuffer > normalBuffer( new NormalBuffer( maxVertices ) );
osg::ref_ptr< NormalBuffer > tangentBuffer( new NormalBuffer( maxVertices ) );
osg::ref_ptr< NormalBuffer > binormalBuffer( new NormalBuffer( maxVertices ) );
osg::ref_ptr< TexCoordBuffer > texCoordBuffer( new TexCoordBuffer( maxVertices ) );
std::vector< CalIndex > indexBuffer( maxFaces*3 );
std::vector< float > floatMatrixIndexBuffer( maxVertices*4 );
calHardwareModel->setVertexBuffer((char*)vertexBuffer->getDataPointer(),
3*sizeof(float));
#ifdef OSG_CAL_BYTE_BUFFERS
std::vector< float > floatNormalBuffer( getVertexCount()*3 );
calHardwareModel->setNormalBuffer((char*)&floatNormalBuffer.begin(),
3*sizeof(float));
#else
calHardwareModel->setNormalBuffer((char*)normalBuffer->getDataPointer(),
3*sizeof(float));
#endif
calHardwareModel->setWeightBuffer((char*)weightBuffer->getDataPointer(),
4*sizeof(float));
calHardwareModel->setMatrixIndexBuffer((char*)&floatMatrixIndexBuffer.front(),
4*sizeof(float));
calHardwareModel->setTextureCoordNum( 1 );
calHardwareModel->setTextureCoordBuffer(0, // texture stage #
(char*)texCoordBuffer->getDataPointer(),
2*sizeof(float));
calHardwareModel->setIndexBuffer( &indexBuffer.front() );
// calHardwareModel->setCoreMeshIds(_activeMeshes);
// if ids not set all meshes will be used at load() time
//std::cout << "calHardwareModel->load" << std::endl;
calHardwareModel->load( 0, 0, Constants::MAX_BONES_PER_MESH );
//std::cout << "calHardwareModel->load ok" << std::endl;
int vertexCount = calHardwareModel->getTotalVertexCount();
// int faceCount = calHardwareModel->getTotalFaceCount();
// std::cout << "vertexCount = " << vertexCount << "; faceCount = " << faceCount << std::endl;
GLubyte* matrixIndexBufferData = (GLubyte*) matrixIndexBuffer->getDataPointer();
for ( int i = 0; i < vertexCount*4; i++ )
{
matrixIndexBufferData[i] = static_cast< GLubyte >( floatMatrixIndexBuffer[i] );
}
#ifdef OSG_CAL_BYTE_BUFFERS
GLbyte* normals = (GLbyte*) normalBuffer->getDataPointer();
for ( int i = 0; i < vertexCount*3; i++ )
{
normals[i] = static_cast< GLbyte >( floatNormalBuffer[i]*127.0 );
}
#endif
// invert UVs for OpenGL (textures are inverted otherwise - for example, see abdulla/klinok)
GLfloat* texCoordBufferData = (GLfloat*) texCoordBuffer->getDataPointer();
for ( float* tcy = texCoordBufferData + 1;
tcy < texCoordBufferData + 2*vertexCount;
tcy += 2 )
{
*tcy = 1.0f - *tcy;
}
// -- And now create meshes data --
int unriggedBoneIndex = calCoreModel->getCoreSkeleton()->getVectorCoreBone().size();
// we add empty bone in ModelData to handle unrigged vertices;
for( int hardwareMeshId = 0; hardwareMeshId < calHardwareModel->getHardwareMeshCount(); hardwareMeshId++ )
{
calHardwareModel->selectHardwareMesh(hardwareMeshId);
int faceCount = calHardwareModel->getFaceCount();
if ( faceCount == 0 )
{
continue; // we ignore empty meshes
}
CalHardwareModel::CalHardwareMesh* hardwareMesh =
&calHardwareModel->getVectorHardwareMesh()[ hardwareMeshId ];
osg::ref_ptr< MeshData > m( new MeshData );
m->name = calCoreModel->getCoreMesh( hardwareMesh->meshId )->getName();
m->coreMaterial = hardwareMesh->pCoreMaterial;
if ( m->coreMaterial == NULL )
{
CalCoreMesh* coreMesh = calCoreModel->getCoreMesh( hardwareMesh->meshId );
CalCoreSubmesh* coreSubmesh = coreMesh->getCoreSubmesh( hardwareMesh->submeshId );
// hardwareMesh->pCoreMaterial =
// coreModel->getCoreMaterial( coreSubmesh->getCoreMaterialThreadId() );
char buf[ 1024 ];
snprintf( buf, 1024,
"pCoreMaterial == NULL for mesh '%s' (mesh material id = %d), verify your mesh file data",
m->name.c_str(),
coreSubmesh->getCoreMaterialThreadId() );
throw std::runtime_error( buf );
}
// -- Create index buffer --
int indexesCount = faceCount * 3;
int startIndex = calHardwareModel->getStartIndex();
if ( indexesCount <= 0x100 )
{
m->indexBuffer = new osg::DrawElementsUByte( osg::PrimitiveSet::TRIANGLES, indexesCount );
GLubyte* data = (GLubyte*)m->indexBuffer->getDataPointer();
const CalIndex* i = &indexBuffer[ startIndex ];
const CalIndex* iEnd = &indexBuffer[ startIndex + indexesCount ];
while ( i < iEnd )
{
*data++ = (GLubyte)*i++;
}
}
else if ( indexesCount <= 0x10000 )
{
m->indexBuffer = new osg::DrawElementsUShort( osg::PrimitiveSet::TRIANGLES, indexesCount );
GLushort* data = (GLushort*)m->indexBuffer->getDataPointer();
const CalIndex* i = &indexBuffer[ startIndex ];
const CalIndex* iEnd = &indexBuffer[ startIndex + indexesCount ];
while ( i < iEnd )
{
*data++ = (GLushort)*i++;
}
}
else
{
m->indexBuffer = new osg::DrawElementsUInt( osg::PrimitiveSet::TRIANGLES, indexesCount );
GLuint* data = (GLuint*)m->indexBuffer->getDataPointer();
const CalIndex* i = &indexBuffer[ startIndex ];
const CalIndex* iEnd = &indexBuffer[ startIndex + indexesCount ];
while ( i < iEnd )
{
*data++ = (GLuint)*i++;
}
}
// -- Create other buffers --
int vertexCount = calHardwareModel->getVertexCount();
int baseVertexIndex = calHardwareModel->getBaseVertexIndex();
#define SUB_BUFFER( _type, _name ) \
new _type( _name->begin() + baseVertexIndex, \
_name->begin() + baseVertexIndex + vertexCount )
m->vertexBuffer = SUB_BUFFER( VertexBuffer, vertexBuffer );
m->weightBuffer = SUB_BUFFER( WeightBuffer, weightBuffer );
m->matrixIndexBuffer = SUB_BUFFER( MatrixIndexBuffer, matrixIndexBuffer );
m->normalBuffer = SUB_BUFFER( NormalBuffer, normalBuffer );
m->texCoordBuffer = SUB_BUFFER( TexCoordBuffer, texCoordBuffer );
// -- Parameters and buffers setup --
m->boundingBox = calculateBoundingBox( m->vertexBuffer.get() );
m->bonesIndices = hardwareMesh->m_vectorBonesIndices;
checkRigidness( m.get(), unriggedBoneIndex );
checkForEmptyTexCoord( m.get() );
generateTangentAndHandednessBuffer( m.get(), &indexBuffer[ startIndex ] );
meshes.push_back( m.get() );
}
}
bool CalHardwareModel::load(int baseVertexIndex, int startIndex,int maxBonesPerMesh)
{
if(m_pVertexBuffer==NULL || m_pNormalBuffer ==NULL|| m_pWeightBuffer ==NULL || m_pMatrixIndexBuffer ==NULL)
{
CalError::setLastError(CalError::INVALID_HANDLE, __FILE__, __LINE__);
return false;
}
int mapId;
for(mapId = 0; mapId < m_textureCoordNum; mapId++)
{
if(m_pTextureCoordBuffer[mapId]==NULL)
{
CalError::setLastError(CalError::INVALID_HANDLE, __FILE__, __LINE__);
return false;
}
}
m_vectorVertexIndiceUsed.resize(50000);
int vertexCount=baseVertexIndex;
int faceIndexCount = startIndex;
// unused.
//CalCoreSkeleton * pCoreSkeleton = m_pCoreModel->getCoreSkeleton();
//std::vector< CalCoreBone *>& vectorBone = pCoreSkeleton->getVectorCoreBone();
// if unspecified, fill with all core mesh ids
if(m_coreMeshIds.empty())
{
for(int coreMeshId = 0; coreMeshId < m_pCoreModel->getCoreMeshCount(); coreMeshId++)
m_coreMeshIds.push_back(coreMeshId);
}
for(std::vector<int>::iterator meshIdIt = m_coreMeshIds.begin();meshIdIt != m_coreMeshIds.end(); meshIdIt++)
{
int meshId = *meshIdIt;
CalCoreMesh *pCoreMesh = m_pCoreModel->getCoreMesh(meshId);
int submeshCount= pCoreMesh->getCoreSubmeshCount();
int submeshId;
for(submeshId = 0 ;submeshId < submeshCount ; submeshId++)
{
CalCoreSubmesh *pCoreSubmesh = pCoreMesh->getCoreSubmesh(submeshId);
std::vector<CalCoreSubmesh::Vertex>& vectorVertex = pCoreSubmesh->getVectorVertex();
std::vector<CalCoreSubmesh::Face>& vectorFace = pCoreSubmesh->getVectorFace();
// unused.
//std::vector< std::vector<CalCoreSubmesh::TextureCoordinate> >& vectorTex = pCoreSubmesh->getVectorVectorTextureCoordinate();
CalHardwareMesh hardwareMesh;
hardwareMesh.meshId = meshId;
hardwareMesh.submeshId = submeshId;
hardwareMesh.baseVertexIndex=vertexCount;
hardwareMesh.startIndex=faceIndexCount;
hardwareMesh.m_vectorBonesIndices.clear();
hardwareMesh.vertexCount=0;
hardwareMesh.faceCount=0;
int startIndex=hardwareMesh.startIndex;
int faceId;
for( faceId =0 ;faceId<pCoreSubmesh->getFaceCount();faceId++)
{
if(canAddFace(hardwareMesh,vectorFace[faceId],vectorVertex,maxBonesPerMesh))
{
m_pIndexBuffer[startIndex+hardwareMesh.faceCount*3]= addVertex(hardwareMesh,vectorFace[faceId].vertexId[0],pCoreSubmesh,maxBonesPerMesh);
m_pIndexBuffer[startIndex+hardwareMesh.faceCount*3+1]= addVertex(hardwareMesh,vectorFace[faceId].vertexId[1],pCoreSubmesh,maxBonesPerMesh);
m_pIndexBuffer[startIndex+hardwareMesh.faceCount*3+2]= addVertex(hardwareMesh,vectorFace[faceId].vertexId[2],pCoreSubmesh,maxBonesPerMesh);
hardwareMesh.faceCount++;
}
else
{
vertexCount+=hardwareMesh.vertexCount;
faceIndexCount+=hardwareMesh.faceCount*3;
hardwareMesh.pCoreMaterial= m_pCoreModel->getCoreMaterial(pCoreSubmesh->getCoreMaterialThreadId());
m_vectorHardwareMesh.push_back(hardwareMesh);
hardwareMesh.baseVertexIndex=vertexCount;
hardwareMesh.startIndex=faceIndexCount;
hardwareMesh.m_vectorBonesIndices.clear();
hardwareMesh.vertexCount=0;
hardwareMesh.faceCount=0;
startIndex=hardwareMesh.startIndex;
m_pIndexBuffer[startIndex+hardwareMesh.faceCount*3]= addVertex(hardwareMesh,vectorFace[faceId].vertexId[0],pCoreSubmesh,maxBonesPerMesh);
m_pIndexBuffer[startIndex+hardwareMesh.faceCount*3+1]= addVertex(hardwareMesh,vectorFace[faceId].vertexId[1],pCoreSubmesh,maxBonesPerMesh);
m_pIndexBuffer[startIndex+hardwareMesh.faceCount*3+2]= addVertex(hardwareMesh,vectorFace[faceId].vertexId[2],pCoreSubmesh,maxBonesPerMesh);
hardwareMesh.faceCount++;
}
}
vertexCount+=hardwareMesh.vertexCount;
faceIndexCount+=hardwareMesh.faceCount*3;
hardwareMesh.pCoreMaterial= m_pCoreModel->getCoreMaterial(pCoreSubmesh->getCoreMaterialThreadId());
m_vectorHardwareMesh.push_back(hardwareMesh);
}
}
m_vectorVertexIndiceUsed.clear();
m_totalFaceCount=0;
m_totalVertexCount=0;
for(size_t hardwareMeshId = 0; hardwareMeshId < m_vectorHardwareMesh.size(); hardwareMeshId++)
{
m_totalFaceCount+=m_vectorHardwareMesh[hardwareMeshId].faceCount;
m_totalVertexCount+=m_vectorHardwareMesh[hardwareMeshId].vertexCount;
}
return true;
}