A Paste by Anonymous

1

#include "C3dsLoader.h" /////////////////////////////////////////////////////////////////////// C3dsLoader::TriMesh::~TriMesh() {     if( vertList )         delete[] vertList;     if( texCoordList )         delete[] texCoordList;     if( faceList )         delete[] faceList; } /////////////////////////////////////////////////////////////////////// void C3dsLoader::GetChunk( Chunk* curChunk ) {     curChunk->bytesRead += fread( &curChunk->id, 1, 2, m_InFile );     curChunk->bytesRead += fread( &curChunk->length, 1, 4, m_InFile );     return; } /////////////////////////////////////////////////////////////////////// bool C3dsLoader::ProcessChunk( Chunk* curChunk ) {     Chunk newChunk;          // End Recursion     if( curChunk->bytesRead == curChunk->length )         return false;     GetChunk( &newChunk );     switch( newChunk.id )     {     // Grouping Chunks     case CHUNK_OBJECTINFO:         while( ProcessChunk( &newChunk ) );         break;     case CHUNK_TRIMESH:         while( ProcessChunk( &newChunk ) );         break;     case CHUNK_EDITOBJECT:         {             // Sets up the current Mesh             TriMesh* tempTriMesh = new TriMesh;             char save;             while( ++newChunk.bytesRead, save = fgetc( m_InFile ) )                 tempTriMesh->meshName += save;             m_MeshList.push_back( tempTriMesh );             tempTriMesh = 0;             ++m_TotalMeshes;             while( ProcessChunk( &newChunk ) );         }break;     ///////////////////////////////////////////////////////////////////////     // Data Chunks     case CHUNK_POINT_ARRAY:        // Vertex Info         {             short points;             newChunk.bytesRead += fread( &points, 1, 2, m_InFile );             m_MeshList[m_MeshList.size() - 1]->totalVerts    = points;             m_MeshList[m_MeshList.size() - 1]->vertList        = new Vertex[points];             newChunk.bytesRead += fread( m_MeshList[m_MeshList.size()-1]->vertList, 1, points * sizeof(Vertex), m_InFile );         }break;     case CHUNK_TEX_VERTS:        // Texture Coord Info         {             short verts;             newChunk.bytesRead += fread( &verts, 1, 2, m_InFile );             m_MeshList[m_MeshList.size() - 1]->totalTexCoords    = verts;             m_MeshList[m_MeshList.size() - 1]->texCoordList        = new TexCoord[verts];             newChunk.bytesRead += fread( m_MeshList[m_MeshList.size() - 1]->texCoordList, 1, verts * sizeof(TexCoord), m_InFile );         }break;     case CHUNK_FACE_ARRAY:        // Vertex Index Info         {             short faces;             newChunk.bytesRead += fread( &faces, 1, 2, m_InFile );             m_MeshList[m_MeshList.size() - 1]->totalFaces    = faces;             m_MeshList[m_MeshList.size() - 1]->faceList        = new Face[faces];                          newChunk.bytesRead += fread( m_MeshList[m_MeshList.size() - 1]->faceList, 1, faces * sizeof(Face), m_InFile );         }break;     ///////////////////////////////////////////////////////////////////////     // Ignored Chunk, Skip past     default:             fseek( m_InFile, newChunk.length - newChunk.bytesRead, SEEK_CUR );         newChunk.bytesRead += newChunk.length - newChunk.bytesRead;         break;     }     curChunk->bytesRead += newChunk.bytesRead;     return true; } // End C3dsLoader::ProcessChunk /////////////////////////////////////////////////////////////////////// bool C3dsLoader::Load3ds( const char* fileName ) {     if( !(m_InFile = fopen( fileName, "rb" )) )         return false;     Chunk mainChunk;     GetChunk( &mainChunk );     // Test if file is valid     if( mainChunk.id == CHUNK_PRIMARY )         while( ProcessChunk( &mainChunk ) );     else         return false;                // File not valid     if( mainChunk.bytesRead != mainChunk.length )         return false;                // Something went wrong     fclose( m_InFile );     return true; } /////////////////////////////////////////////////////////////////////// C3dsLoader::~C3dsLoader() {     for( int x = 0; x < m_MeshList.size(); ++x )         delete m_MeshList[x]; }