// -------------------------------------------------------------------
void ObjFileParser::getVector( std::vector<aiVector3D> &point3d_array ) {
size_t numComponents( 0 );
const char* tmp( &m_DataIt[0] );
while( !IsLineEnd( *tmp ) ) {
if ( !SkipSpaces( &tmp ) ) {
break;
}
SkipToken( tmp );
++numComponents;
}
float x, y, z;
if( 2 == numComponents ) {
copyNextWord( m_buffer, BUFFERSIZE );
x = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
y = ( float ) fast_atof( m_buffer );
z = 0.0;
} else if( 3 == numComponents ) {
copyNextWord( m_buffer, BUFFERSIZE );
x = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
y = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
z = ( float ) fast_atof( m_buffer );
} else {
throw DeadlyImportError( "OBJ: Invalid number of components" );
}
point3d_array.push_back( aiVector3D( x, y, z ) );
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
}
// -------------------------------------------------------------------
void ObjFileParser::getVector( std::vector<aiVector3D> &point3d_array ) {
size_t numComponents( 0 );
DataArrayIt tmp( m_DataIt );
while( !IsLineEnd( *tmp ) ) {
if( *tmp == ' ' ) {
++numComponents;
}
tmp++;
}
float x, y, z;
if( 2 == numComponents ) {
copyNextWord( m_buffer, BUFFERSIZE );
x = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
y = ( float ) fast_atof( m_buffer );
z = 0.0;
} else if( 3 == numComponents ) {
copyNextWord( m_buffer, BUFFERSIZE );
x = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
y = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
z = ( float ) fast_atof( m_buffer );
} else {
ai_assert( !"Invalid number of components" );
}
point3d_array.push_back( aiVector3D( x, y, z ) );
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
}
// -------------------------------------------------------------------
void ObjFileParser::getVector( std::vector<aiVector3D> &point3d_array ) {
size_t numComponents = getNumComponentsInLine();
float x, y, z;
if( 2 == numComponents ) {
copyNextWord( m_buffer, Buffersize );
x = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, Buffersize );
y = ( float ) fast_atof( m_buffer );
z = 0.0;
} else if( 3 == numComponents ) {
copyNextWord( m_buffer, Buffersize );
x = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, Buffersize );
y = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, Buffersize );
z = ( float ) fast_atof( m_buffer );
} else {
throw DeadlyImportError( "OBJ: Invalid number of components" );
}
point3d_array.push_back( aiVector3D( x, y, z ) );
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
}
// -------------------------------------------------------------------
// Get values for a new 2D vector instance
void ObjFileParser::getVector2( std::vector<aiVector2D> &point2d_array ) {
float x, y;
copyNextWord(m_buffer, BUFFERSIZE);
x = (float) fast_atof(m_buffer);
copyNextWord(m_buffer, BUFFERSIZE);
y = (float) fast_atof(m_buffer);
point2d_array.push_back(aiVector2D(x, y));
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
}
void MeshManager::getVector2(std::vector<glm::vec2>* vertices, char* buffer, int* i){
getNextWord(buffer, i);
float x, y;
copyNextWord(tempBuffer, BUFFERSIZE, buffer, i);
x = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, i);
y = (float) fast_atof(tempBuffer);
vertices->push_back(glm::vec2(x, y));
skipLine(buffer, i);
}
// -------------------------------------------------------------------
// Get values for a new 3D vector instance
void ObjFileParser::getVector3( std::vector<aiVector3D> &point3d_array ) {
float x, y, z;
copyNextWord(m_buffer, Buffersize);
x = (float) fast_atof(m_buffer);
copyNextWord(m_buffer, Buffersize);
y = (float) fast_atof(m_buffer);
copyNextWord( m_buffer, Buffersize );
z = ( float ) fast_atof( m_buffer );
point3d_array.push_back( aiVector3D( x, y, z ) );
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
}
void MeshManager::getFace(std::vector<glm::i32vec3>* vertices, char* buffer, int* i){
getNextWord(buffer, i);
int x, y, z;
copyNextWord(tempBuffer, BUFFERSIZE, buffer, i);
x = (int) atoi(tempBuffer) - 1 - elementOffsetOBJ;
copyNextWord(tempBuffer, BUFFERSIZE, buffer, i);
y = (int) atoi(tempBuffer) - 1 - elementOffsetOBJ;
copyNextWord(tempBuffer, BUFFERSIZE, buffer, i);
z = (int) atoi(tempBuffer) - 1 - elementOffsetOBJ;
vertices->push_back(glm::i32vec3(x, y, z));
skipLine(buffer, i);
}
Mesh* MeshManager::parseMD5(string filename, char* buffer, int lenght){
Mesh* resultMesh = new Mesh(filename, getNewId());
int numJoints = 0;
int numMeshes = 0;
int numVerts = 0;
int numTris = 0;
int numWeights = 0;
unsigned int idSubMesh = 0;
int n = 0;
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//autoincrease i
while (buffer[n] != '\0'){
if(strncmp(tempBuffer, "MD5Version", 10) == 0){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
//resultMesh->versionMD5 = (int) atoi(tempBuffer);
//logInf("md5 version %s", tempBuffer);
}
else if(strncmp(tempBuffer, "commandline", 11) == 0){
skipLine(buffer, &n);
}
else if(strncmp(tempBuffer, "numJoints", 9) == 0){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
numJoints = (int) atoi(tempBuffer);
resultMesh->joints.reserve(numJoints);
}
else if(strncmp(tempBuffer, "numMeshes", 9) == 0){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
numMeshes = (int) atoi(tempBuffer);
resultMesh->subMeshes.reserve(numMeshes);
}
else if(strncmp(tempBuffer, "joints", 6) == 0){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n); //read the '{' character
Mesh::Joint auxJoint;
for(int i = 0; i < numJoints; i++){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxJoint.jointName = tempBuffer;
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxJoint.jointParentID = (int) atoi(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);// '(' char
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxJoint.jointPos.x = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxJoint.jointPos.y = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxJoint.jointPos.z = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);// ')' char
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);// '(' char
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxJoint.jointOrient.x = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxJoint.jointOrient.y = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxJoint.jointOrient.z = (float) fast_atof(tempBuffer);
skipLine(buffer, &n);
removeQuotes(&(auxJoint.jointName));
computeQuaternionW(&(auxJoint.jointOrient));
resultMesh->joints.push_back(auxJoint);
}
}
else if(strncmp(tempBuffer, "mesh", 4) == 0){
SubMesh* auxSubMesh = new SubMesh(idSubMesh);
idSubMesh++;
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);// char {
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
while(strncmp(tempBuffer, "}", 1) != 0){
if(strncmp(tempBuffer, "shader", 6) == 0){
///////////////TODO
//shader factory
//used to set the texture!! be careful
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxSubMesh->setSubMeshTextureName(tempBuffer);
skipLine(buffer, &n);
}
else if(strncmp(tempBuffer, "numverts", 8) == 0){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
numVerts = (int) atoi(tempBuffer);
glm::vec2 textCoord;
glm::i32vec2 weightStartAndCount;
for(int i = 0; i < numVerts; ++i){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//"vert"
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//id (sorted)
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//'('
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
textCoord.x = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
textCoord.y = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//')'
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
weightStartAndCount.x = (int) atoi(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
weightStartAndCount.y = (int) atoi(tempBuffer);
auxSubMesh->textureCoord.push_back(textCoord);
auxSubMesh->weightsIndex.push_back(weightStartAndCount);
}
}
else if(strncmp(tempBuffer, "numtris", 7) == 0){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
numTris = (int) atoi(tempBuffer);
glm::i32vec3 tri;
auxSubMesh->elements.reserve(numTris);
for (int i = 0; i < numTris; ++i){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
tri.x = (int) atoi(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
tri.z = (int) atoi(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
tri.y = (int) atoi(tempBuffer);
auxSubMesh->elements.push_back(tri);
}
}
else if(strncmp(tempBuffer, "numweights", 10) == 0){
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
numWeights = (int) atoi(tempBuffer);
SubMesh::Weight auxWeight;
auxSubMesh->weights.reserve(numWeights);
for (int i = 0; i < numWeights; ++i){
//logInf("Weight[%i]",i);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//weight
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//id (sorted)
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//id joint
auxWeight.weightJointID = (int) atoi(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//bias
auxWeight.weightBias = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//'('
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxWeight.weightPos.x = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxWeight.weightPos.y = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
auxWeight.weightPos.z = (float) fast_atof(tempBuffer);
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//')'
auxSubMesh->weights.push_back(auxWeight);
//logInf("Weight[%i]",i);
}
}
else if(strncmp(tempBuffer, "//", 2) == 0){
skipLine(buffer, &n);
}
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);
}
prepareSubMeshVertex(resultMesh, auxSubMesh);
prepareSubMeshNormals(resultMesh, auxSubMesh);
resultMesh->subMeshes.push_back(auxSubMesh);
}
copyNextWord(tempBuffer, BUFFERSIZE, buffer, &n);//autoincrease i
if(n>=lenght)break;
}
return resultMesh;
}
