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Diffstat (limited to '3rdparty/assimp/code/ObjFileParser.cpp')
| -rw-r--r-- | 3rdparty/assimp/code/ObjFileParser.cpp | 665 |
1 files changed, 0 insertions, 665 deletions
diff --git a/3rdparty/assimp/code/ObjFileParser.cpp b/3rdparty/assimp/code/ObjFileParser.cpp deleted file mode 100644 index 3d214bd1..00000000 --- a/3rdparty/assimp/code/ObjFileParser.cpp +++ /dev/null @@ -1,665 +0,0 @@ -/* ---------------------------------------------------------------------------- -Open Asset Import Library (ASSIMP) ---------------------------------------------------------------------------- - -Copyright (c) 2006-2010, ASSIMP Development 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 Development 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. ---------------------------------------------------------------------------- -*/ - -#include "AssimpPCH.h" -#ifndef ASSIMP_BUILD_NO_OBJ_IMPORTER - -#include "ObjFileParser.h" -#include "ObjFileMtlImporter.h" -#include "ObjTools.h" -#include "ObjFileData.h" -#include "fast_atof.h" -#include "../include/aiTypes.h" -#include "DefaultIOSystem.h" - -namespace Assimp -{ - -// ------------------------------------------------------------------- -const std::string ObjFileParser::DEFAULT_MATERIAL = AI_DEFAULT_MATERIAL_NAME; -// fix: changed that to our standard default name - -// ------------------------------------------------------------------- -// Constructor with loaded data and directories. -ObjFileParser::ObjFileParser(std::vector<char> &Data,const std::string &strModelName, IOSystem *io ) : - m_DataIt(Data.begin()), - m_DataItEnd(Data.end()), - m_pModel(NULL), - m_uiLine(0), - m_pIO( io ) -{ - // Create the model instance to store all the data - m_pModel = new ObjFile::Model(); - m_pModel->m_ModelName = strModelName; - - m_pModel->m_pDefaultMaterial = new ObjFile::Material(); - m_pModel->m_pDefaultMaterial->MaterialName.Set( DEFAULT_MATERIAL ); - m_pModel->m_MaterialLib.push_back( DEFAULT_MATERIAL ); - m_pModel->m_MaterialMap[ DEFAULT_MATERIAL ] = m_pModel->m_pDefaultMaterial; - - // Start parsing the file - parseFile(); -} - -// ------------------------------------------------------------------- -// Destrcutor. -ObjFileParser::~ObjFileParser() -{ - delete m_pModel->m_pDefaultMaterial; - m_pModel->m_pDefaultMaterial = NULL; - - delete m_pModel; - m_pModel = NULL; -} - -// ------------------------------------------------------------------- -// Returns a pointer to the model instance. -ObjFile::Model *ObjFileParser::GetModel() const -{ - return m_pModel; -} - -// ------------------------------------------------------------------- -// File parsing method. -void ObjFileParser::parseFile() -{ - if (m_DataIt == m_DataItEnd) - return; - - while (m_DataIt != m_DataItEnd) - { - switch (*m_DataIt) - { - case 'v': // Parse a vertex texture coordinate - { - ++m_DataIt; - if (*m_DataIt == ' ') - { - // Read in vertex definition - getVector3(m_pModel->m_Vertices); - } - else if (*m_DataIt == 't') - { - // Read in texture coordinate (2D) - ++m_DataIt; - getVector2(m_pModel->m_TextureCoord); - } - else if (*m_DataIt == 'n') - { - // Read in normal vector definition - ++m_DataIt; - getVector3( m_pModel->m_Normals ); - } - } - break; - - case 'f': // Parse a face - { - getFace(); - } - break; - - case '#': // Parse a comment - { - getComment(); - } - break; - - case 'u': // Parse a material desc. setter - { - getMaterialDesc(); - } - break; - - case 'm': // Parse a material library - { - getMaterialLib(); - } - break; - - case 'g': // Parse group name - { - getGroupName(); - } - break; - - case 's': // Parse group number - { - getGroupNumber(); - } - break; - - case 'o': // Parse object name - { - getObjectName(); - } - break; - - default: - { - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); - } - break; - } - } -} - -// ------------------------------------------------------------------- -// Copy the next word in a temporary buffer -void ObjFileParser::copyNextWord(char *pBuffer, size_t length) -{ - size_t index = 0; - m_DataIt = getNextWord<DataArrayIt>(m_DataIt, m_DataItEnd); - while ( !isSeparator(*m_DataIt) && m_DataIt != m_DataItEnd ) - { - pBuffer[index] = *m_DataIt; - index++; - if (index == length-1) - break; - ++m_DataIt; - } - pBuffer[index] = '\0'; -} - -// ------------------------------------------------------------------- -// Copy the next line into a temporary buffer -void ObjFileParser::copyNextLine(char *pBuffer, size_t length) -{ - size_t index = 0; - while (m_DataIt != m_DataItEnd) - { - if (*m_DataIt == '\n' || *m_DataIt == '\r' || index == length-1) - break; - - pBuffer[ index ] = *m_DataIt; - ++index; - ++m_DataIt; - } - pBuffer[ index ] = '\0'; -} - -// ------------------------------------------------------------------- -// 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 ) ); - //skipLine(); - 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 ); -} - -// ------------------------------------------------------------------- -// Get values for a new face instance -void ObjFileParser::getFace() -{ - copyNextLine(m_buffer, BUFFERSIZE); - if (m_DataIt == m_DataItEnd) - return; - - char *pPtr = m_buffer; - char *pEnd = &pPtr[BUFFERSIZE]; - pPtr = getNextToken<char*>(pPtr, pEnd); - if (pPtr == '\0') - return; - - std::vector<unsigned int> *pIndices = new std::vector<unsigned int>; - std::vector<unsigned int> *pTexID = new std::vector<unsigned int>; - std::vector<unsigned int> *pNormalID = new std::vector<unsigned int>; - bool hasNormal = false; - - bool vt = (!m_pModel->m_TextureCoord.empty()); - bool vn = (!m_pModel->m_Normals.empty()); - int iStep = 0, iPos = 0; - while (pPtr != pEnd) - { - iStep = 1; - if (*pPtr == '\0') - break; - - if (*pPtr=='\r') - break; - - if (*pPtr=='/' ) - { - if (iPos == 0) - { - //if there are no texturecoordinates in the obj file but normals - if (!vt && vn) { - iPos = 1; - iStep++; - } - } - iPos++; - } - else if ( isSeparator(*pPtr) ) - { - iPos = 0; - } - else - { - //OBJ USES 1 Base ARRAYS!!!! - const int iVal = atoi( pPtr ); - int tmp = iVal; - while ( ( tmp = tmp / 10 )!=0 ) - ++iStep; - - if ( iVal > 0 ) - { - // Store parsed index - if ( 0 == iPos ) - { - pIndices->push_back( iVal-1 ); - } - else if ( 1 == iPos ) - { - pTexID->push_back( iVal-1 ); - } - else if ( 2 == iPos ) - { - pNormalID->push_back( iVal-1 ); - hasNormal = true; - } - else - { - reportErrorTokenInFace(); - } - } - } - for ( int i=0; i<iStep; i++ ) - ++pPtr; - } - - ObjFile::Face *face = new ObjFile::Face( pIndices, pNormalID, pTexID ); - - // Set active material, if one set - if (NULL != m_pModel->m_pCurrentMaterial) - face->m_pMaterial = m_pModel->m_pCurrentMaterial; - else - face->m_pMaterial = m_pModel->m_pDefaultMaterial; - - // Create a default object, if nothing there - if ( NULL == m_pModel->m_pCurrent ) - createObject( "defaultobject" ); - - // Assign face to mesh - if ( NULL == m_pModel->m_pCurrentMesh ) - { - createMesh(); - } - - // Store the face - m_pModel->m_pCurrentMesh->m_Faces.push_back( face ); - m_pModel->m_pCurrentMesh->m_uiNumIndices += (unsigned int)face->m_pVertices->size(); - m_pModel->m_pCurrentMesh->m_uiUVCoordinates[ 0 ] += (unsigned int)face->m_pTexturCoords[0].size(); - if ( !m_pModel->m_pCurrentMesh->m_hasNormals && hasNormal ) - { - m_pModel->m_pCurrentMesh->m_hasNormals = true; - } - // Skip the rest of the line - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); -} - -// ------------------------------------------------------------------- -// Get values for a new material description -void ObjFileParser::getMaterialDesc() -{ - // Get next data for material data - m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - if (m_DataIt == m_DataItEnd) - return; - - char *pStart = &(*m_DataIt); - while ( !isSeparator(*m_DataIt) && m_DataIt != m_DataItEnd ) - ++m_DataIt; - - // Get name - std::string strName(pStart, &(*m_DataIt)); - if ( strName.empty()) - return; - - // Search for material - std::map<std::string, ObjFile::Material*>::iterator it = m_pModel->m_MaterialMap.find( strName ); - if ( it == m_pModel->m_MaterialMap.end() ) - { - // Not found, use default material - m_pModel->m_pCurrentMaterial = m_pModel->m_pDefaultMaterial; - } - else - { - // Found, using detected material - m_pModel->m_pCurrentMaterial = (*it).second; - if ( needsNewMesh( strName )) - { - createMesh(); - } - m_pModel->m_pCurrentMesh->m_uiMaterialIndex = getMaterialIndex( strName ); - } - - // Skip rest of line - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); -} - -// ------------------------------------------------------------------- -// Get a comment, values will be skipped -void ObjFileParser::getComment() -{ - bool running = true; - while (running) - { - if ( '\n' == (*m_DataIt) || m_DataIt == m_DataItEnd ) - { - ++m_DataIt; - break; - } - else - { - ++m_DataIt; - } - } -} - -// ------------------------------------------------------------------- -// Get material library from file. -void ObjFileParser::getMaterialLib() -{ - // Translate tuple - m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - if (m_DataIt == m_DataItEnd) - return; - - char *pStart = &(*m_DataIt); - while (!isNewLine(*m_DataIt)) - m_DataIt++; - - // Check for existence - const std::string strMatName(pStart, &(*m_DataIt)); - IOStream *pFile = m_pIO->Open(strMatName); - - if (!pFile ) - { - DefaultLogger::get()->error("OBJ: Unable to locate material file " + strMatName); - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); - return; - } - - // Import material library data from file - std::vector<char> buffer; - BaseImporter::TextFileToBuffer(pFile,buffer); - m_pIO->Close( pFile ); - - // Importing the material library - ObjFileMtlImporter mtlImporter( buffer, strMatName, m_pModel ); -} - -// ------------------------------------------------------------------- -// Set a new material definition as the current material. -void ObjFileParser::getNewMaterial() -{ - m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - m_DataIt = getNextWord<DataArrayIt>(m_DataIt, m_DataItEnd); - if ( m_DataIt == m_DataItEnd ) - return; - - char *pStart = &(*m_DataIt); - std::string strMat( pStart, *m_DataIt ); - while ( isSeparator( *m_DataIt ) ) - m_DataIt++; - std::map<std::string, ObjFile::Material*>::iterator it = m_pModel->m_MaterialMap.find( strMat ); - if ( it == m_pModel->m_MaterialMap.end() ) - { - // Show a warning, if material was not found - DefaultLogger::get()->warn("OBJ: Unsupported material requested: " + strMat); - m_pModel->m_pCurrentMaterial = m_pModel->m_pDefaultMaterial; - } - else - { - // Set new material - if ( needsNewMesh( strMat ) ) - { - createMesh(); - } - m_pModel->m_pCurrentMesh->m_uiMaterialIndex = getMaterialIndex( strMat ); - } - - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); -} - -// ------------------------------------------------------------------- -int ObjFileParser::getMaterialIndex( const std::string &strMaterialName ) -{ - int mat_index = -1; - if ( strMaterialName.empty() ) - return mat_index; - for (size_t index = 0; index < m_pModel->m_MaterialLib.size(); ++index) - { - if ( strMaterialName == m_pModel->m_MaterialLib[ index ]) - { - mat_index = (int)index; - break; - } - } - return mat_index; -} - -// ------------------------------------------------------------------- -// Getter for a group name. -void ObjFileParser::getGroupName() -{ - // Get next word from data buffer - m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - m_DataIt = getNextWord<DataArrayIt>(m_DataIt, m_DataItEnd); - if ( isEndOfBuffer( m_DataIt, m_DataItEnd ) ) - return; - - // Store groupname in group library - char *pStart = &(*m_DataIt); - while ( !isSeparator(*m_DataIt) ) - m_DataIt++; - std::string strGroupName(pStart, &(*m_DataIt)); - - // Change active group, if necessary - if ( m_pModel->m_strActiveGroup != strGroupName ) - { - // Search for already existing entry - ObjFile::Model::ConstGroupMapIt it = m_pModel->m_Groups.find(&strGroupName); - - // We are mapping groups into the object structure - createObject( strGroupName ); - - // New group name, creating a new entry - if (it == m_pModel->m_Groups.end()) - { - std::vector<unsigned int> *pFaceIDArray = new std::vector<unsigned int>; - m_pModel->m_Groups[ &strGroupName ] = pFaceIDArray; - m_pModel->m_pGroupFaceIDs = (pFaceIDArray); - } - else - { - m_pModel->m_pGroupFaceIDs = (*it).second; - } - m_pModel->m_strActiveGroup = strGroupName; - } - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); -} - -// ------------------------------------------------------------------- -// Not supported -void ObjFileParser::getGroupNumber() -{ - // Not used - - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); -} - -// ------------------------------------------------------------------- -// Stores values for a new object instance, name will be used to -// identify it. -void ObjFileParser::getObjectName() -{ - m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd); - if (m_DataIt == m_DataItEnd) - return; - char *pStart = &(*m_DataIt); - while ( !isSeparator( *m_DataIt ) ) - ++m_DataIt; - - std::string strObjectName(pStart, &(*m_DataIt)); - if (!strObjectName.empty()) - { - // Reset current object - m_pModel->m_pCurrent = NULL; - - // Search for actual object - for (std::vector<ObjFile::Object*>::const_iterator it = m_pModel->m_Objects.begin(); - it != m_pModel->m_Objects.end(); - ++it) - { - if ((*it)->m_strObjName == strObjectName) - { - m_pModel->m_pCurrent = *it; - break; - } - } - - // Allocate a new object, if current one was not found before - if ( NULL == m_pModel->m_pCurrent ) - createObject(strObjectName); - } - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); -} -// ------------------------------------------------------------------- -// Creates a new object instance -void ObjFileParser::createObject(const std::string &strObjectName) -{ - ai_assert( NULL != m_pModel ); - //ai_assert( !strObjectName.empty() ); - - m_pModel->m_pCurrent = new ObjFile::Object; - m_pModel->m_pCurrent->m_strObjName = strObjectName; - m_pModel->m_Objects.push_back( m_pModel->m_pCurrent ); - - - createMesh(); - - if ( m_pModel->m_pCurrentMaterial ) - { - m_pModel->m_pCurrentMesh->m_uiMaterialIndex = - getMaterialIndex( m_pModel->m_pCurrentMaterial->MaterialName.data ); - m_pModel->m_pCurrentMesh->m_pMaterial = m_pModel->m_pCurrentMaterial; - } -} -// ------------------------------------------------------------------- -// Creates a new mesh -void ObjFileParser::createMesh() -{ - ai_assert( NULL != m_pModel ); - m_pModel->m_pCurrentMesh = new ObjFile::Mesh; - m_pModel->m_Meshes.push_back( m_pModel->m_pCurrentMesh ); - unsigned int meshId = m_pModel->m_Meshes.size()-1; - if ( NULL != m_pModel->m_pCurrent ) - { - m_pModel->m_pCurrent->m_Meshes.push_back( meshId ); - } - else - { - DefaultLogger::get()->error("OBJ: No object detected to attach a new mesh instance."); - } -} - -// ------------------------------------------------------------------- -// Returns true, if a new mesh must be created. -bool ObjFileParser::needsNewMesh( const std::string &rMaterialName ) -{ - if (m_pModel->m_pCurrentMesh == 0) - { - // No mesh data yet - return true; - } - bool newMat = false; - int matIdx = getMaterialIndex( rMaterialName ); - unsigned int curMatIdx = m_pModel->m_pCurrentMesh->m_uiMaterialIndex; - if ( curMatIdx != ObjFile::Mesh::NoMaterial || curMatIdx != (unsigned int)matIdx ) - { - // New material -> only one material per mesh, so we need to create a new - // material - newMat = true; - } - return newMat; -} - -// ------------------------------------------------------------------- -// Shows an error in parsing process. -void ObjFileParser::reportErrorTokenInFace() -{ - m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine ); - DefaultLogger::get()->error("OBJ: Not supported token in face description detected"); -} - -// ------------------------------------------------------------------- - -} // Namespace Assimp - -#endif // !! ASSIMP_BUILD_NO_OBJ_IMPORTER |