Method _writeGeometry_lib3ds

dae23ds_lib3ds/src/DAE23dsWriter.cpp:584–682

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	}
	//--------------------------------------------------------------------
	void Writer::_writeGeometry_lib3ds(const COLLADAFW::Geometry* geometry)
	{


			Lib3dsMesh *_3dsmesh = lib3ds_mesh_new(geometry->getName().c_str());
			_3dsmeshMap.insert(std::make_pair(geometry->getUniqueId(), _3dsmesh));
			lib3ds_file_insert_mesh(_3dsfile, _3dsmesh, -1);
			{
				COLLADAFW::Mesh *mesh = (COLLADAFW::Mesh*)geometry;
				//values
				const COLLADAFW::MeshVertexData &positions = mesh->getPositions();
				const COLLADAFW::MeshVertexData &uvs = mesh->getUVCoords();
				//index
				const COLLADAFW::MeshPrimitiveArray &primitives = mesh->getMeshPrimitives();

				// vertex
				lib3ds_mesh_resize_vertices(_3dsmesh, positions.getValuesCount()/3, 1, 0);
				//_Log("positions.getValuesCount()="<<positions.getValuesCount());
				{
					//position
					if(COLLADAFW::FloatOrDoubleArray::DATA_TYPE_FLOAT==positions.getType())
					{
						const COLLADAFW::FloatArray* pos = positions.getFloatValues();
						_Log("FloatArray pos count="<<pos->getCount());
						for (size_t i = 0; i < positions.getValuesCount()/3; ++i) 
						{
							_3dsmesh->vertices[i][0] =  (*pos)[3*i+0];
							_3dsmesh->vertices[i][1] =  (*pos)[3*i+1];
							_3dsmesh->vertices[i][2] =  (*pos)[3*i+2];
						}
					}else if(COLLADAFW::FloatOrDoubleArray::DATA_TYPE_DOUBLE==positions.getType()){
						const COLLADAFW::DoubleArray* pos = positions.getDoubleValues();
						_Log("DoubleArray pos count="<<pos->getCount());
						for (size_t i = 0; i < positions.getValuesCount()/3; ++i) 
						{
							_3dsmesh->vertices[i][0] =  (float)(*pos)[3*i+0];
							_3dsmesh->vertices[i][1] =  (float)(*pos)[3*i+1];
							_3dsmesh->vertices[i][2] =  (float)(*pos)[3*i+2];
						}
					}
					//uv
					// NOTE:  the number of uv pair is more than vertex number in most cases,
					//        but the number of uv pair in lib3ds is equal to the vertex number,
					//        so we have to truncate the number of uv pair to the vertex number to avoid buffer overflow.
					//        This is a limitation of lib3ds.
					const size_t UVLEN = min(positions.getValuesCount()/3, uvs.getValuesCount()/2);
					//const size_t UVLEN = uvs.getValuesCount()/2;
					_Log("UVLEN ="<< UVLEN<<",min("<<positions.getValuesCount()/3<<","<< uvs.getValuesCount()/2<<")");
					if(COLLADAFW::FloatOrDoubleArray::DATA_TYPE_FLOAT==uvs.getType())
					{
						const COLLADAFW::FloatArray* uv = uvs.getFloatValues();

						_Log("FloatArray uv count="<<uv->getCount());
						for (size_t i = 0; i < UVLEN/*uvs.getValuesCount()/2*/; ++i) 
						{
							_3dsmesh->texcos[i][0] =  (*uv)[2*i+0];
							_3dsmesh->texcos[i][1] =  (*uv)[2*i+1];
							//_Log("uv<"<<_3dsmesh->texcos[i][0]<<","<<_3dsmesh->texcos[i][1]<<">");