importObjTex.hpp 19.1 KB
Newer Older
Pierre Kraemer's avatar
Pierre Kraemer committed
1 2 3
/*******************************************************************************
* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
* version 0.1                                                                  *
4
* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
Pierre Kraemer's avatar
Pierre Kraemer committed
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
*                                                                              *
* This library is free software; you can redistribute it and/or modify it      *
* under the terms of the GNU Lesser General Public License as published by the *
* Free Software Foundation; either version 2.1 of the License, or (at your     *
* option) any later version.                                                   *
*                                                                              *
* This library is distributed in the hope that it will be useful, but WITHOUT  *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or        *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License  *
* for more details.                                                            *
*                                                                              *
* You should have received a copy of the GNU Lesser General Public License     *
* along with this library; if not, write to the Free Software Foundation,      *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
*                                                                              *
20
* Web site: http://cgogn.unistra.fr/                                           *
Pierre Kraemer's avatar
Pierre Kraemer committed
21 22 23 24
* Contact information: cgogn@unistra.fr                                        *
*                                                                              *
*******************************************************************************/

Sylvain Thery's avatar
Sylvain Thery committed
25 26 27
#include "Topology/generic/attributeHandler.h"
#include "Container/fakeAttribute.h"
#include <fstream>
thery's avatar
thery committed
28

Pierre Kraemer's avatar
Pierre Kraemer committed
29 30 31 32 33

namespace CGoGN
{
namespace Algo
{
34 35
namespace Surface
{
Pierre Kraemer's avatar
Pierre Kraemer committed
36 37 38
namespace Import 
{

Sylvain Thery's avatar
Sylvain Thery committed
39 40 41 42 43 44 45 46 47 48 49
template <typename PFP>
OBJModel<PFP>::OBJModel(typename PFP::MAP& map):
	m_map(map),m_specialVertices(map),m_dirtyEdges(map)
{
}

template <typename PFP>
inline typename PFP::VEC3 OBJModel<PFP>::getPosition(Dart d)
{
	return m_positions[d];
}
thery's avatar
thery committed
50

Sylvain Thery's avatar
Sylvain Thery committed
51 52 53 54 55 56 57 58 59 60 61 62

template <typename PFP>
inline typename PFP::VEC3 OBJModel<PFP>::getNormal(Dart d)
{
	if (m_specialVertices.isMarked(d))
		return m_normalsF[d];
	return m_normals[d];
}


template <typename PFP>
inline Geom::Vec2f OBJModel<PFP>::getTexCoord(Dart d)
thery's avatar
thery committed
63
{
Sylvain Thery's avatar
Sylvain Thery committed
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177
	if (m_specialVertices.isMarked(d))
		return m_texCoordsF[d];
	return m_texCoords[d];
}


template <typename PFP>
std::vector<std::string>& OBJModel<PFP>::getMaterialNames()
{
	return m_materialNames;
}



template <typename PFP>
void OBJModel<PFP>::readMaterials(const std::string& filename)
{
	m_materials.resize(m_materialNames.size());
		
	// open file
	std::ifstream fp(filename.c_str());
	if (!fp.good())
	{
		CGoGNerr << "Unable to open file " << filename << CGoGNendl;
		return false;
	}
	
	std::vector<MaterialOBJ>::iterator mit;
	std::string ligne;
	std::string tag;
	fp >> tag;
	do
	{
		std::getline (fp, ligne);
		if (tag == "newmtl")
		{
			std::vector<std::string>::iterator it = std::find(m_materialNames.begin(), m_materialNames.end(), ligne);
			if (it ==  m_materialNames.end())
			{
				CGoGNerr << "Skipping material "<< ligne << CGoGNendl;
				do
				{
					fp >> tag;
					
				}while (!fp.eof() && (tag == "new mtl")); 
			}
			else
			{
				CGoGNerr << "Reading material "<< ligne << CGoGNendl;
				mit =  m_materials.begin() + (it - m_materialNames.begin());
			}
		}
		else
		{
			std::stringstream oss(ligne);
			if (tag == "Ka")
			{
				oss >> mit->ambiantColor[0];
				oss >> mit->ambiantColor[1];
				oss >> mit->ambiantColor[2];
			}
			if (tag == "Kd")
			{
				oss >> mit->diffuseColor[0];
				oss >> mit->diffuseColor[1];
				oss >> mit->diffuseColor[2];
				
			}
			if (tag == "Ks")
			{
				oss >> mit->specularColor[0];
				oss >> mit->specularColor[1];
				oss >> mit->specularColor[2];
			}
			if (tag == "Ns")
			{
				oss >> mit->shininess;
			}
			
			if (tag == "map_Ka") // ambiant texture
			{
				CGoGNerr << tag << " not yet supported in OBJ material reading" << CGoGNendl;
			}
			if (tag == "map_Kd") // diffuse texture
			{
				CGoGNerr << tag << " not yet supported in OBJ material reading" << CGoGNendl;
			}
			if (tag == "map_d") // opacity texture
			{
				CGoGNerr << tag << " not yet supported in OBJ material reading" << CGoGNendl;
			}
			if ((tag == "map_bump") || (tag == "bump"))
			{
				CGoGNerr << tag << " not yet supported in OBJ material reading" << CGoGNendl;
			}
			
			fp >> tag;

		}
	}while (!fp.eof());
}





template <typename PFP>
bool OBJModel<PFP>::generateBrowsers(std::vector<MapBrowser*>& browsers)
{
	browsers.clear();
	
	if (m_groupNames.empty())
		return false;
	
Sylvain Thery's avatar
Sylvain Thery committed
178
	MapBrowserLinked* MBLptr = new MapBrowserLinked(m_map);
Sylvain Thery's avatar
Sylvain Thery committed
179 180 181 182 183
	DartAttribute<Dart>& links = MBLptr->getLinkAttr();
	browsers.push_back(MBLptr);
	
	for (unsigned int i = 1; i<m_groupNames.size(); ++i)
	{
Sylvain Thery's avatar
Sylvain Thery committed
184
		MapBrowser* MBptr = new MapBrowserLinked(m_map,links);
Sylvain Thery's avatar
Sylvain Thery committed
185 186 187 188 189 190
		browsers.push_back(MBptr);
	}
	
	for (Dart d=m_map.begin(); d!=m_map.end(); m_map.next(d))
	{
		unsigned int g = m_groups[d] -1 ; // groups are name from 1
Sylvain Thery's avatar
Sylvain Thery committed
191 192
		MapBrowserLinked* mb = static_cast<MapBrowserLinked*>(browsers[g]);
		mb->pushBack(d);
Sylvain Thery's avatar
Sylvain Thery committed
193 194 195 196 197 198 199 200 201 202 203 204 205
	}
	return true;
}




	
template <typename PFP>
short OBJModel<PFP>::readObjLine(std::stringstream& oss, std::vector<unsigned int>& indices)
{
	indices.clear();
	
thery's avatar
thery committed
206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249
	unsigned int nb=0;
	while (!oss.eof())  // lecture de tous les indices
	{
		int index;
		oss >> index;

		indices.push_back(index);

		int slash = 0;
		char sep='_';
		do
		{
			oss >> sep;
			if (sep =='/')
				++slash;
		} while ( ((sep=='/') || (sep ==' ')) && !oss.eof() ) ;

		if ((sep>='0') && (sep<='9'))
			oss.seekg(-1,std::ios_base::cur);

		if (slash == 0)
		{
			if (indices.size()%3 == 1)
			{
				indices.push_back(0);
				indices.push_back(0);
			}
			if (indices.size()%3 == 2)
			{
				indices.push_back(0);
			}
			nb++;
		}


		if (slash == 2)
		{
			indices.push_back(0);
		}
	}
	return nb;
}


250 251 252 253 254 255
template <typename PFP>
unsigned int OBJModel<PFP>::createSimpleVBO_P(Utils::VBO* positionVBO)
{
	TraversorF<typename PFP::MAP> traf(m_map);
	std::vector<Geom::Vec3f> posBuff;
	posBuff.reserve(16384);
Pierre Kraemer's avatar
Pierre Kraemer committed
256

257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280
	unsigned int nbtris = 0;
	for (Dart d=traf.begin(); d!= traf.end(); d = traf.next())
	{
		Dart e = m_map.phi1(d);
		Dart f = m_map.phi1(e);
		do
		{
			posBuff.push_back(m_positions[d]);
			posBuff.push_back(m_positions[e]);
			posBuff.push_back(m_positions[f]);
			e=f;
			f = m_map.phi1(e);
			nbtris++;
		}while (f!=d);
	}

	positionVBO->setDataSize(3);
	positionVBO->allocate(posBuff.size());
	Geom::Vec3f* ptrPos = reinterpret_cast<Geom::Vec3f*>(positionVBO->lockPtr());
	memcpy(ptrPos,&posBuff[0],posBuff.size()*sizeof(Geom::Vec3f));
	positionVBO->releasePtr();

	return 3*nbtris;
}
Pierre Kraemer's avatar
Pierre Kraemer committed
281

282 283 284 285 286 287 288 289 290 291 292 293

template <typename PFP>
unsigned int OBJModel<PFP>::createSimpleVBO_PT(Utils::VBO* positionVBO, Utils::VBO* texcoordVBO)
{
	TraversorF<typename PFP::MAP> traf(m_map);
	std::vector<Geom::Vec3f> posBuff;
	std::vector<Geom::Vec2f> TCBuff;
	posBuff.reserve(16384);
	TCBuff.reserve(16384);

	unsigned int nbtris = 0;
	for (Dart d=traf.begin(); d!= traf.end(); d = traf.next())
Pierre Kraemer's avatar
Pierre Kraemer committed
294
	{
295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319
		Dart e = m_map.phi1(d);
		Dart f = m_map.phi1(e);
		do
		{
			posBuff.push_back(m_positions[d]);
			if (m_specialVertices.isMarked(d))
				TCBuff.push_back(m_texCoordsF[d]);
			else
				TCBuff.push_back(m_texCoords[d]);

			posBuff.push_back(m_positions[e]);
			if (m_specialVertices.isMarked(e))
				TCBuff.push_back(m_texCoordsF[e]);
			else
				TCBuff.push_back(m_texCoords[e]);

			posBuff.push_back(m_positions[f]);
			if (m_specialVertices.isMarked(f))
				TCBuff.push_back(m_texCoordsF[f]);
			else
				TCBuff.push_back(m_texCoords[f]);
			e=f;
			f = m_map.phi1(e);
			nbtris++;
		}while (f!=d);
Pierre Kraemer's avatar
Pierre Kraemer committed
320 321
	}

322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486
	positionVBO->setDataSize(3);
	positionVBO->allocate(posBuff.size());
	Geom::Vec3f* ptrPos = reinterpret_cast<Geom::Vec3f*>(positionVBO->lockPtr());
	memcpy(ptrPos,&posBuff[0],posBuff.size()*sizeof(Geom::Vec3f));
	positionVBO->releasePtr();

	texcoordVBO->setDataSize(2);
	texcoordVBO->allocate(TCBuff.size());
	Geom::Vec2f* ptrTC = reinterpret_cast<Geom::Vec2f*>(texcoordVBO->lockPtr());
	memcpy(ptrTC,&TCBuff[0],TCBuff.size()*sizeof(Geom::Vec2f));
	texcoordVBO->releasePtr();

	return 3*nbtris;
}

template <typename PFP>
unsigned int OBJModel<PFP>::createSimpleVBO_PTN(Utils::VBO* positionVBO, Utils::VBO* texcoordVBO, Utils::VBO* normalVBO )
{
	TraversorF<typename PFP::MAP> traf(m_map);
	std::vector<Geom::Vec3f> posBuff;
	std::vector<Geom::Vec2f> TCBuff;
	std::vector<Geom::Vec2f> normalBuff;
	posBuff.reserve(16384);
	TCBuff.reserve(16384);
	normalBuff.reserve(16384);

	unsigned int nbtris = 0;
	for (Dart d=traf.begin(); d!= traf.end(); d = traf.next())
	{
		Dart e = m_map.phi1(d);
		Dart f = m_map.phi1(e);
		do
		{
			posBuff.push_back(m_positions[d]);
			if (m_specialVertices.isMarked(d))
			{
				TCBuff.push_back(m_texCoordsF[d]);
				normalBuff.push_back(m_normalsF[d]);
			}
			else
			{
				TCBuff.push_back(m_texCoords[d]);
				normalBuff.push_back(m_normals[d]);
			}

			posBuff.push_back(m_positions[e]);
			if (m_specialVertices.isMarked(e))
			{
				TCBuff.push_back(m_texCoordsF[e]);
				normalBuff.push_back(m_normalsF[e]);
			}
			else
			{
				TCBuff.push_back(m_texCoords[e]);
				normalBuff.push_back(m_normals[e]);
			}

			posBuff.push_back(m_positions[f]);
			if (m_specialVertices.isMarked(f))
			{
				TCBuff.push_back(m_texCoordsF[f]);
				normalBuff.push_back(m_normalsF[f]);
			}
			else
			{
				TCBuff.push_back(m_texCoords[f]);
				normalBuff.push_back(m_normals[f]);
			}
			e=f;
			f = m_map.phi1(e);
			nbtris++;
		}while (f!=d);
	}

	positionVBO->setDataSize(3);
	positionVBO->allocate(posBuff.size());
	Geom::Vec3f* ptrPos = reinterpret_cast<Geom::Vec3f*>(positionVBO->lockPtr());
	memcpy(ptrPos,&posBuff[0],posBuff.size()*sizeof(Geom::Vec3f));
	positionVBO->releasePtr();

	texcoordVBO->setDataSize(2);
	texcoordVBO->allocate(TCBuff.size());
	Geom::Vec2f* ptrTC = reinterpret_cast<Geom::Vec2f*>(texcoordVBO->lockPtr());
	memcpy(ptrTC,&TCBuff[0],TCBuff.size()*sizeof(Geom::Vec2f));
	texcoordVBO->releasePtr();

	normalVBO->setDataSize(3);
	normalVBO->allocate(normalBuff.size());
	Geom::Vec3f* ptrNormal = reinterpret_cast<Geom::Vec3f*>(normalVBO->lockPtr());
	memcpy(ptrNormal, &normalBuff[0], normalBuff.size()*sizeof(Geom::Vec3f));
	normalVBO->releasePtr();


	return 3*nbtris;
}


template <typename PFP>
unsigned int OBJModel<PFP>::createSimpleVBO_PN(Utils::VBO* positionVBO, Utils::VBO* normalVBO )
{
	TraversorF<typename PFP::MAP> traf(m_map);
	std::vector<Geom::Vec3f> posBuff;
	std::vector<Geom::Vec2f> normalBuff;
	posBuff.reserve(16384);
	normalBuff.reserve(16384);

	unsigned int nbtris = 0;
	for (Dart d=traf.begin(); d!= traf.end(); d = traf.next())
	{
		Dart e = m_map.phi1(d);
		Dart f = m_map.phi1(e);
		do
		{
			posBuff.push_back(m_positions[d]);
			if (m_specialVertices.isMarked(d))
			{
				normalBuff.push_back(m_normalsF[d]);
			}
			else
			{
				normalBuff.push_back(m_normals[d]);
			}

			posBuff.push_back(m_positions[e]);
			if (m_specialVertices.isMarked(e))
			{
				normalBuff.push_back(m_normalsF[e]);
			}
			else
			{
				normalBuff.push_back(m_normals[e]);
			}

			posBuff.push_back(m_positions[f]);
			if (m_specialVertices.isMarked(f))
			{
				normalBuff.push_back(m_normalsF[f]);
			}
			else
			{
				normalBuff.push_back(m_normals[f]);
			}
			e=f;
			f = m_map.phi1(e);
			nbtris++;
		}while (f!=d);
	}

	positionVBO->setDataSize(3);
	positionVBO->allocate(posBuff.size());
	Geom::Vec3f* ptrPos = reinterpret_cast<Geom::Vec3f*>(positionVBO->lockPtr());
	memcpy(ptrPos,&posBuff[0],posBuff.size()*sizeof(Geom::Vec3f));
	positionVBO->releasePtr();

	normalVBO->setDataSize(3);
	normalVBO->allocate(normalBuff.size());
	Geom::Vec3f* ptrNormal = reinterpret_cast<Geom::Vec3f*>(normalVBO->lockPtr());
	memcpy(ptrNormal, &normalBuff[0], normalBuff.size()*sizeof(Geom::Vec3f));
	normalVBO->releasePtr();


	return 3*nbtris;
}


Sylvain Thery's avatar
Sylvain Thery committed
487 488 489 490 491
// template <typename PFP>
// bool importObjTex(typename PFP::MAP& map, const std::string& filename,
// 				  std::vector<std::string>& attrNames,/* std::vector<MapBrowserLinked*>& browsers,*/
// 				  CellMarker<VERTEX>& specialVertices, DartMarker& dirtyEdges)

thery's avatar
thery committed
492
template <typename PFP>
Sylvain Thery's avatar
Sylvain Thery committed
493
bool OBJModel<PFP>::import( const std::string& filename, std::vector<std::string>& attrNames)
thery's avatar
thery committed
494 495 496 497 498 499
{
	typedef  typename PFP::VEC3 VEC3;
	typedef Geom::Vec2f VEC2;

	attrNames.clear();
	// open file
Sylvain Thery's avatar
Sylvain Thery committed
500
	std::ifstream fp(filename.c_str()/*, std::ios::binary*/);
thery's avatar
thery committed
501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538
	if (!fp.good())
	{
		CGoGNerr << "Unable to open file " << filename << CGoGNendl;
		return false;
	}

	unsigned int tagV = 0;
	unsigned int tagVT = 0;
	unsigned int tagVN = 0;
	unsigned int tagG = 0;
	unsigned int tagF = 0;

	std::string ligne;
	std::string tag;
	do
	{
		fp >> tag;
		std::getline (fp, ligne);
		if (tag == "v")
			tagV++;
		if (tag == "vn")
			tagVN++;
		if (tag == "vt")
			tagVT++;
		if (tag == "g")
			tagG++;
		if (tag == "f")
			tagF++;
	}while (!fp.eof());

	std::cout << "Parsing OBJ"<< tagV<< std::endl;
	std::cout << "Vertices:"<< tagV<< std::endl;
	std::cout << "Normals:"<< tagVN<< std::endl;
	std::cout << "TexCoords:"<< tagVT<< std::endl;
	std::cout << "Groups:"<< tagG<< std::endl;
	std::cout << "Faces:"<< tagF<< std::endl;


Sylvain Thery's avatar
Sylvain Thery committed
539 540 541 542
	m_positions =  m_map.template getAttribute<typename PFP::VEC3, VERTEX>("position") ;
	if (!m_positions.isValid())
		m_positions = m_map.template addAttribute<VEC3, VERTEX>("position") ;
	attrNames.push_back(m_positions.name()) ;
thery's avatar
thery committed
543

Sylvain Thery's avatar
Sylvain Thery committed
544
	if (tagVT != 0)
thery's avatar
thery committed
545
	{
Sylvain Thery's avatar
Sylvain Thery committed
546 547 548 549 550 551 552 553
		m_texCoords =  m_map.template getAttribute<VEC2, VERTEX>("texCoord") ;
		if (!m_texCoords.isValid())
			m_texCoords = m_map.template addAttribute<VEC2, VERTEX>("texCoord") ;
		attrNames.push_back(m_texCoords.name()) ;

		m_texCoordsF =  m_map.template getAttribute<VEC2, VERTEX1>("texCoordF") ;
		if (!m_texCoordsF.isValid())
			m_texCoordsF = m_map.template addAttribute<VEC2, VERTEX1>("texCoordF") ;
thery's avatar
thery committed
554 555
	}

Sylvain Thery's avatar
Sylvain Thery committed
556
	if (tagVN != 0)
thery's avatar
thery committed
557
	{
Sylvain Thery's avatar
Sylvain Thery committed
558 559 560 561 562 563 564 565
		m_normals =  m_map.template getAttribute<typename PFP::VEC3, VERTEX>("normal") ;
		if (!m_normals.isValid())
			m_normals = m_map.template addAttribute<VEC3, VERTEX>("normal") ;
		attrNames.push_back(m_normals.name()) ;

		m_normalsF =  m_map.template getAttribute<VEC3, VERTEX1>("normalF") ;
		if (!m_normalsF.isValid())
			m_normalsF = m_map.template addAttribute<VEC3, VERTEX1>("normalF") ;
thery's avatar
thery committed
566 567
	}

Sylvain Thery's avatar
Sylvain Thery committed
568
	
thery's avatar
thery committed
569
	if (tagG != 0)
Sylvain Thery's avatar
Sylvain Thery committed
570 571 572 573
	{
		m_groups =  m_map.template getAttribute<unsigned int, FACE>("groups") ;
		if (!m_groups.isValid())
			m_groups = m_map.template addAttribute<unsigned int, FACE>("groups") ;
574
		attrNames.push_back(m_groups.name()) ;
Sylvain Thery's avatar
Sylvain Thery committed
575 576
	}
	
thery's avatar
thery committed
577 578 579 580 581 582 583 584

	AttributeContainer& container = m_map.template getAttributeContainer<VERTEX>() ;

	fp.close();
	fp.clear();
	fp.open(filename.c_str());

	std::vector<VEC3> normalsBuffer;
Sylvain Thery's avatar
Sylvain Thery committed
585 586
	normalsBuffer.reserve(tagVN);
	
thery's avatar
thery committed
587
	std::vector<VEC2> texCoordsBuffer;
Sylvain Thery's avatar
Sylvain Thery committed
588 589
	texCoordsBuffer.reserve(tagVT);
	
thery's avatar
thery committed
590
	std::vector<unsigned int> verticesID;
Sylvain Thery's avatar
Sylvain Thery committed
591 592 593 594
	verticesID.reserve(tagV);
	
	std::vector<unsigned int> normalsID;
	normalsID.reserve(tagV);
thery's avatar
thery committed
595 596
	std::vector<unsigned int> texCoordsID;
	texCoordsID.reserve(tagV);
Sylvain Thery's avatar
Sylvain Thery committed
597 598
	
	
thery's avatar
thery committed
599 600 601

	std::vector<unsigned int> localIndices;
	localIndices.reserve(64*3);
Sylvain Thery's avatar
Sylvain Thery committed
602
	FunctorInitEmb<typename PFP::MAP, VERTEX> fsetemb(m_map);
thery's avatar
thery committed
603

Sylvain Thery's avatar
Sylvain Thery committed
604 605 606
	VertexAutoAttribute< NoMathIONameAttribute< std::vector<Dart> > > vecDartsPerVertex(m_map, "incidents");
	VertexAutoAttribute< NoMathIONameAttribute< std::vector<unsigned int> > > vecNormIndPerVertex(m_map, "incidentsN");
	VertexAutoAttribute< NoMathIONameAttribute< std::vector<unsigned int> > > vecTCIndPerVertex(m_map, "incidentsTC");
thery's avatar
thery committed
607

Sylvain Thery's avatar
Sylvain Thery committed
608
	unsigned int currentGroup = 0;
thery's avatar
thery committed
609

Sylvain Thery's avatar
Sylvain Thery committed
610
	DartMarkerNoUnmark mk(m_map) ;
thery's avatar
thery committed
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627
	unsigned int i = 0;
	fp >> tag;
	std::getline(fp, ligne);
	do
	{
		if (tag == std::string("v"))
		{
			std::stringstream oss(ligne);

			float x,y,z;
			oss >> x;
			oss >> y;
			oss >> z;

			VEC3 pos(x,y,z);

			unsigned int id = container.insertLine();
Sylvain Thery's avatar
Sylvain Thery committed
628
			m_positions[id] = pos;
thery's avatar
thery committed
629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650

			verticesID.push_back(id);
			i++;
		}

		if (tag == std::string("vn"))
		{
			std::stringstream oss(ligne);

			VEC3 norm;
			oss >> norm[0];
			oss >> norm[1];
			oss >> norm[2];
			normalsBuffer.push_back(norm);
		}

		if (tag == std::string("vt"))
		{
			std::stringstream oss(ligne);
			VEC2 tc;
			oss >> tc[0];
			oss >> tc[1];
Sylvain Thery's avatar
Sylvain Thery committed
651
			texCoordsBuffer.push_back(tc);
thery's avatar
thery committed
652 653 654 655
		}

		if (tag == std::string("g"))
		{
Sylvain Thery's avatar
Sylvain Thery committed
656 657 658 659 660 661 662 663 664 665
			m_groupNames.push_back(ligne);
			std::string buf;
			fp >> buf;
			if (buf != "usemtl")
			{
				CGoGNerr << "problem reading OBJ, waiting for usemtl get "<< buf << CGoGNendl;
			}
			fp >> buf;
			m_materialNames.push_back(buf);
			currentGroup++;
thery's avatar
thery committed
666 667 668 669 670 671 672 673
		}

		if (tag == std::string("f"))
		{
			std::stringstream oss(ligne);

			short nbe = readObjLine(oss,localIndices);

Sylvain Thery's avatar
Sylvain Thery committed
674
			Dart d = m_map.newFace(nbe, false);
675 676
			if (tagG!=0)
				m_groups[d] = currentGroup;
Sylvain Thery's avatar
Sylvain Thery committed
677
			
thery's avatar
thery committed
678 679 680 681
			for (short j = 0; j < nbe; ++j)
			{
				unsigned int em = localIndices[3*j]-1;		// get embedding
				fsetemb.changeEmb(em) ;
Sylvain Thery's avatar
Sylvain Thery committed
682 683
				m_map.template foreach_dart_of_orbit<PFP::MAP::VERTEX_OF_PARENT>(d, fsetemb);
				mk.mark(d) ;								// mark on the fly to unmark on second loop
thery's avatar
thery committed
684 685 686
				vecDartsPerVertex[em].push_back(d);		// store incident darts for fast adjacency reconstruction
				vecTCIndPerVertex[em].push_back(localIndices[3*j+1]-1);
				vecNormIndPerVertex[em].push_back(localIndices[3*j+2]-1);
Sylvain Thery's avatar
Sylvain Thery committed
687
				d = m_map.phi1(d);
thery's avatar
thery committed
688 689 690 691 692
			}
		}
		fp >> tag;
		std::getline(fp, ligne);
	} while (!fp.eof());
Sylvain Thery's avatar
Sylvain Thery committed
693
	fp.close ();
thery's avatar
thery committed
694 695 696

	// reconstruct neighbourhood
	unsigned int nbBoundaryEdges = 0;
Sylvain Thery's avatar
Sylvain Thery committed
697
	for (Dart d = m_map.begin(); d != m_map.end(); m_map.next(d))
thery's avatar
thery committed
698
	{
Sylvain Thery's avatar
Sylvain Thery committed
699
		if (mk.isMarked(d))
thery's avatar
thery committed
700 701
		{
			// darts incident to end vertex of edge
Sylvain Thery's avatar
Sylvain Thery committed
702
			std::vector<Dart>& vec = vecDartsPerVertex[m_map.phi1(d)];
thery's avatar
thery committed
703

Sylvain Thery's avatar
Sylvain Thery committed
704
			unsigned int embd = m_map.template getEmbedding<VERTEX>(d);
thery's avatar
thery committed
705 706 707
			Dart good_dart = NIL;
			for (typename std::vector<Dart>::iterator it = vec.begin(); it != vec.end() && good_dart == NIL; ++it)
			{
Sylvain Thery's avatar
Sylvain Thery committed
708
				if (m_map.template getEmbedding<VERTEX>(m_map.phi1(*it)) == embd)
thery's avatar
thery committed
709 710 711 712 713
					good_dart = *it;
			}

			if (good_dart != NIL)
			{
Sylvain Thery's avatar
Sylvain Thery committed
714 715 716 717 718
				if (good_dart == m_map.phi2(good_dart) && (d == m_map.phi2(d)))
					m_map.sewFaces(d, good_dart, false);
				else
					m_dirtyEdges.mark(d);
				mk.unmarkOrbit<EDGE>(d);
thery's avatar
thery committed
719 720 721
			}
			else
			{
Sylvain Thery's avatar
Sylvain Thery committed
722 723
				mk.unmark(d);
				m_dirtyEdges.mark(d);
thery's avatar
thery committed
724 725 726 727 728
				++nbBoundaryEdges;
			}
		}
	}

Sylvain Thery's avatar
Sylvain Thery committed
729
	TraversorV<typename PFP::MAP> tra(m_map);
thery's avatar
thery committed
730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745
	for (Dart d = tra.begin(); d != tra.end(); d = tra.next())
	{
		std::vector<Dart>& vec			= vecDartsPerVertex[d];
		std::vector<unsigned int>& vtc	= vecTCIndPerVertex[d];
		std::vector<unsigned int>& vn	= vecNormIndPerVertex[d];

		// test if normal vertex or multi-attrib vertex
		unsigned int nb = vtc.size();
		bool same=true;
		for (unsigned int j=1; (j<nb)&&(same); ++j)
		{
			if ( (vtc[j] != vtc[0]) || (vn[j] != vn[0]) )
				same = false;
		}

		// if not all faces the same embedding
746 747
//		if (!same)
//		{
thery's avatar
thery committed
748 749
			for (unsigned int j=0; j<nb; ++j)
			{
Sylvain Thery's avatar
Sylvain Thery committed
750
				Dart e = vec[j];
751 752 753 754
				if (tagVT)
					m_texCoordsF[e] = texCoordsBuffer[ vecTCIndPerVertex[e][j] ];
				if (tagVN)
					m_normalsF[e] = normalsBuffer[ vecNormIndPerVertex[e][j] ];
thery's avatar
thery committed
755
			}
Sylvain Thery's avatar
Sylvain Thery committed
756
			m_specialVertices.mark(d);
757 758 759 760 761 762 763 764 765
//		}
//		else
//		{
//			if (tagVT)
//				m_texCoords[d] = texCoordsBuffer[ vecTCIndPerVertex[d][0] ];
//			if (tagVN)
//				m_normals[d] = normalsBuffer[ vecNormIndPerVertex[d][0] ];
//			m_specialVertices.unmark(d);
//		}
thery's avatar
thery committed
766 767
	}

Sylvain Thery's avatar
Sylvain Thery committed
768
	return true;
thery's avatar
thery committed
769 770 771 772 773

}



774
}
Pierre Kraemer's avatar
Pierre Kraemer committed
775 776 777
}
} // end namespaces
}