env_map.cpp 16.3 KB
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#include "env_map.h"
#include "utils.h"
#include "agent.h"

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#include "Geometry/inclusion.h"
#include "Algo/MovingObjects/particle_cell_2D_memo.h"
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#include "Algo/Modelisation/subdivision.h"
#include "Algo/Geometry/normal.h"
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#include "Algo/Import/importSvg.h"
#include "Algo/BooleanOperator/mergeVertices.h"
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using namespace CGoGN;

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EnvMap::EnvMap() :
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	obstacleMark(map, EDGE),
	buildingMark(map, FACE),
	refineMark(map, FACE),
	coarsenMark(map, FACE)
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{
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	position = map.addAttribute<PFP::VEC3>(VERTEX, "position");
	normal = map.addAttribute<PFP::VEC3>(VERTEX, "normal");
	agentvect = map.addAttribute<PFP::AGENTVECT>(FACE, "agents");
	neighborAgentvect = map.addAttribute<PFP::AGENTVECT>(FACE, "neighborAgents");
	obstvect = map.addAttribute<PFP::OBSTACLEVECT>(FACE, "obstacles");
	subdivisableFace = map.addAttribute<PFP::BOOLATTRIB>(FACE, "subdivisableFace");
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	refineCandidate.reserve(100);
	coarsenCandidate.reserve(100);

//	std::string filename = "/home/jund/Desktop/drawingQuads.svg";
//	std::string filename = "/home/jund/Desktop/drawingTest.svg";
//	std::string filename = "/home/jund/Desktop/drawingSimple.svg";
//	std::string filename = "/home/jund/Desktop/drawingLines.svg";
//	std::string filename = "/home/jund/Desktop/mapKrutSimple.svg";
//	std::string filename = "/home/jund/Desktop/mapKrut.svg";
//	Algo::Import::importSVG<PFP>(map,filename,position, obstacleMark, buildingMark);
//	scale(3.2808399f);

//	Algo::BooleanOperator::mergeVertices<PFP>(map,position);
//	DartMarker amelk(map);
//	map.closeMap(amelk);
//	Algo::Modelisation::CatmullClarkSubdivision<PFP>(map,position);
//	Algo::Modelisation::computeDual<PFP>(map);
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}

unsigned int EnvMap::mapMemoryCost()
{
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	return (map.getAttributeContainer(DART)).memorySize()
			+ (map.getAttributeContainer(VERTEX)).memorySize()
			+ (map.getAttributeContainer(EDGE)).memorySize()
			+ (map.getAttributeContainer(FACE)).memorySize();
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}

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void EnvMap::scale(float scaleVal)
{
	Geom::BoundingBox<PFP::VEC3> bb(position.begin());

	for(unsigned int v = position.begin() ; v != position.end() ; position.next(v))
	{
		bb.addPoint(position[v]);
	}

	VEC3 center = bb.center();
	for(unsigned int v = position.begin() ; v != position.end() ; position.next(v))
	{
		position[v] -= center;
		position[v] *= scaleVal;
	}
}

void EnvMap::subdivideAllToMaxLevel()
{
	bool subdiv;
	do
	{
		subdiv=false;
		{
			CellMarker subd(map,FACE);
			for(Dart d = map.begin(); d!= map.end(); map.next(d))
			{
				if(!subd.isMarked(d))
				{
					subd.mark(d);
					if(!buildingMark.isMarked(d))
					{
						//check if subdivision is authorized
						float minDistSq = Agent::neighborDistSq_ ;
						bool subdivisable = true;
						Dart old = map.faceOldestDart(d) ;
						unsigned int fLevel = map.faceLevel(old) ;
						map.setCurrentLevel(fLevel) ;
						PFP::VEC3 fCenter = Algo::Geometry::faceCentroid<PFP>(map, old, position) ;
						Dart fd = old ;
						do
						{
							PFP::VEC3& p = position[fd] ;
							PFP::VEC3 edge = Algo::Geometry::vectorOutOfDart<PFP>(map, fd, position) ;
							PFP::VEC3 proj = fCenter - (p + (edge * (fCenter - p) / edge.norm2()) * edge) ;
							if(proj.norm2() < minDistSq)
							{
								subdivisable = false ;
								break ;
							}
							fd = map.phi1(fd) ;
						} while(fd != old) ;

						if(subdivisable)
						{
							map.setCurrentLevel(fLevel) ;
							Algo::IHM::subdivideFace<PFP>(map, old, position) ;
							subdiv = true;
						}
						map.setCurrentLevel(map.getMaxLevel()) ;
					}
				}
			}
		}
	} while(subdiv);
}

void EnvMap::subdivideToProperLevel()
{
	bool subdiv;
	do
	{
		subdiv=false;
		{
			CellMarker subd(map,FACE);
			for(Dart d = map.begin(); d!= map.end(); map.next(d))
			{
				if(!subd.isMarked(d))
				{
					subd.mark(d);
					if(!refineMark.isMarked(d) && agentvect[d].size() > nbAgentsToSubdivide)
					{
						std::pair<bool,bool>& sf = subdivisableFace[d];
						if(sf.first == false || (sf.first == true && sf.second))
						{
							subdiv=true;
							refineMark.mark(d);
							refineCandidate.push_back(d);
						}
					}
				}
			}
			subd.unmarkAll();
		}
		updateMap();
		refineCandidate.clear();
		map.setCurrentLevel(map.getMaxLevel());
	} while(subdiv);
}

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Dart EnvMap::getBelongingCell(const PFP::VEC3& pos)
{
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	CellMarkerStore m(map, FACE);
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	for(Dart d = map.begin(); d != map.end(); map.next(d))
	{
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		if(!m.isMarked(d))
		{
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			m.mark(d);
			if(!buildingMark.isMarked(d) && Algo::Geometry::isPointInConvexFace2D<PFP>(map, d, position, pos, true))
				return d;
		}
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	}

	std::cout << "ERROR : pos not in map" << std::endl;
	return map.begin();
}

void EnvMap::init()
{
	float sideSize = 70.0f;
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	unsigned int nbSquares = 24;
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//	CityGenerator::generateGrid<PFP>(map, position, nbSquares, nbSquares, sideSize, obstacleMark, buildingMark);
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//	CityGenerator::generateCorridor<PFP>(map, position, obstacleMark, buildingMark, 50, nbSquares);
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	CityGenerator::generateCity<PFP>(map, position, obstacleMark, buildingMark, sideSize, nbSquares);
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//	CityGenerator::generateMall<PFP>(map, position, obstacleMark, buildingMark, sideSize);
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//	CityGenerator::simplifyFreeSpace<PFP>(map, position, obstacleMark, buildingMark);
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//	CityGenerator::convexifyFreeSpace<PFP>(map, position, obstacleMark, buildingMark);
//	CityGenerator::installGuardRail<PFP>(map, position, obstacleMark, buildingMark, 5.0f);
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	map.init();
	registerObstaclesInFaces();
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//	subdivideAllToMaxLevel();
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	for(unsigned int i = subdivisableFace.begin(); i < subdivisableFace.end(); subdivisableFace.next(i))
		subdivisableFace[i].first = false ;
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}

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void EnvMap::foreach_neighborFace(Dart d, FunctorType& f)
{
	Dart dd = d;
	do
	{
		Dart ddd = map.alpha1(map.alpha1(dd));
		while(ddd != dd)
		{
			f(ddd);
			ddd = map.alpha1(ddd);
		}
		dd = map.phi1(dd);
	} while(dd != d);
}

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void EnvMap::registerObstaclesInFaces()
{
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	CellMarker m(map, FACE);
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	for(Dart d = map.begin(); d != map.end(); map.next(d))
	{
		if(!m.isMarked(d))
		{
			m.mark(d);
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			if(!buildingMark.isMarked(d))
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			{
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				Dart dd = d;
				do
				{
					if(obstacleMark.isMarked(dd))
						obstvect[d].push_back(map.phi2(dd));
					dd = map.phi1(dd);
				} while(dd != d);
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				do
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				{
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					Dart ddd = map.alpha1(map.alpha1(dd));
					while(ddd != dd)
					{
						if(!buildingMark.isMarked(ddd))
							addNeighborObstacles(obstvect[d], ddd, ddd == map.alpha_1(dd));
						ddd = map.alpha1(ddd);
					}
					dd = map.phi1(dd);
				} while(dd != d);
			}
		}
	}
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}

void EnvMap::addNeighborObstacles(PFP::OBSTACLES& obst, Dart d, bool edgeNeighbor)
{
	Dart stop;
	if(edgeNeighbor)
		stop = map.phi_1(map.phi_1(map.phi_1(d)));
	else
		stop = map.phi_1(map.phi_1(d));
	
	Dart dd = d;
	do
	{
		if(obstacleMark.isMarked(dd))
		{
			if(buildingMark.isMarked(dd))
				obst.push_back(dd);
			else
				obst.push_back(map.phi2(dd));
		}
		dd = map.phi1(dd);
	} while(dd != d);
}

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//void EnvMap::agentChangeFaceThroughEdge(Agent* agent)
//{
//	Dart oldFace = agent->part_.lastCrossed;
//	Dart newFace = agent->part_.d;
//
//	agentvect[newFace].push_back(agent);
//
//	PFP::AGENTS::iterator end = agentvect[oldFace].end();
//	for(PFP::AGENTS::iterator it = agentvect[oldFace].begin(); it != end; ++it)
//	{
//		if(*it == agent)
//		{
//			*it = agentvect[oldFace].back();
//			agentvect[oldFace].pop_back();
//			break;
//		}
//	}
//
//	// mark adjacent cells shared by newFace and oldFace
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//	CellMarkerNoUnmark f(map, FACE);
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//	Dart d = oldFace;
//	do
//	{
//		f.mark(d);
//		d = map.alpha1(d);
//	} while(d != oldFace);
//
//	d = map.phi1(oldFace);
//	do
//	{
//		f.mark(d);
//		d = map.alpha1(d);
//	} while(d != map.phi1(oldFace));
//
//	// remove agent from cells adjacent to oldFace but not to newFace
//	Dart dd = oldFace;
//	do
//	{
//		Dart ddd = map.alpha1(map.alpha1(dd));
//		while(ddd != dd)
//		{
//			if(!f.isMarked(ddd))
//			{
//				bool found = false;
//				PFP::AGENTS::iterator end = neighborAgentvect[ddd].end();
//				for(PFP::AGENTS::iterator it = neighborAgentvect[ddd].begin(); it != end && !found; ++it)
//				{
//					if(*it == agent)
//					{
//						*it = neighborAgentvect[ddd].back();
//						neighborAgentvect[ddd].pop_back();
//						found = true;
//					}
//				}
//			}
//			ddd = map.alpha1(ddd);
//		}
//		dd = map.phi1(dd);
//	} while(dd != oldFace);
//
//	// add agent from cells adjacent to oldFace but not to newFace
//	// and unmark shared cells
//	dd = newFace;
//	do
//	{
//		Dart ddd = map.alpha1(map.alpha1(dd));
//		while(ddd != dd)
//		{
//			if(!f.isMarked(ddd))
//				neighborAgentvect[ddd].push_back(agent);
//			else
//				f.unmark(ddd);
//			ddd = map.alpha1(ddd);
//		}
//		dd = map.phi1(dd);
//	} while(dd != newFace);
//}
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void EnvMap::agentChangeFace(Agent* agent, Dart oldFace)
{
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	Dart newFace = agent->part_.d;

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	popAgentInCells(agent, oldFace);
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	pushAgentInCells(agent, newFace);

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	if(!refineMark.isMarked(newFace) && agentvect[newFace].size() > nbAgentsToSubdivide)
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	{
		std::pair<bool,bool>& sf = subdivisableFace[newFace];
		if(sf.first == false || (sf.first == true && sf.second))
		{
			refineMark.mark(newFace);
			refineCandidate.push_back(newFace);
		}
	}
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	if(!coarsenMark.isMarked(oldFace) && !refineMark.isMarked(oldFace) && agentvect[oldFace].size() < nbAgentsToSimplify / 4)
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	{
		coarsenMark.mark(oldFace);
		coarsenCandidate.push_back(map.faceOldestDart(oldFace));
	}
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}

void EnvMap::updateMap()
{
	assert(map.getCurrentLevel() == map.getMaxLevel()) ;

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	for(std::vector<Dart>::iterator it = refineCandidate.begin(); it != refineCandidate.end(); ++it)
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	{
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		Dart d = (*it) ;
		refineMark.unmark(d);
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		if(agentvect[d].size() > nbAgentsToSubdivide)
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		{
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			int fLevel = -1 ;
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			Dart old = map.faceOldestDart(d) ;

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			bool subdivisable = true ;
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			std::pair<bool,bool>& sf = subdivisableFace[old] ;
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			if(sf.first == true)
				subdivisable = sf.second ;
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			else
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			{
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				float minDistSq = Agent::neighborDistSq_ ; // diametre de vision de l'agent au carré
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				fLevel = map.faceLevel(old) ;
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				map.setCurrentLevel(fLevel) ;
				PFP::VEC3 fCenter = Algo::Geometry::faceCentroid<PFP>(map, old, position) ;
				Dart fd = old ;
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				do
				{
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					PFP::VEC3& p = position[fd] ;
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					PFP::VEC3 edge = Algo::Geometry::vectorOutOfDart<PFP>(map, fd, position) ;
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					PFP::VEC3 proj = fCenter - (p + (edge * (fCenter - p) / edge.norm2()) * edge) ;
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					if(proj.norm2() < minDistSq)
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					{
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						subdivisable = false ;
						break ;
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					}
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					fd = map.phi1(fd) ;
				} while(fd != old) ;
				map.setCurrentLevel(map.getMaxLevel()) ;

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				sf.first = true ;
				sf.second = subdivisable ;
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			}

			if(subdivisable)
			{
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				if(fLevel == -1)
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					fLevel = map.faceLevel(old) ;
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				sf.first = false ;
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				PFP::AGENTS oldAgents(agentvect[old]);
				for(PFP::AGENTS::iterator ait = oldAgents.begin(); ait != oldAgents.end(); ++ait)
					popAgentInCells(*ait, old);

				neighborAgentvect[old].clear() ;
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				map.setCurrentLevel(fLevel) ;
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				Algo::IHM::subdivideFace<PFP>(map, old, position) ;
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				CellMarkerStore newF(map, FACE) ;
				unsigned int degree = 0 ;
				Dart dd = old ;
				do
				{
					++degree ;
					newF.mark(dd);
					dd = map.phi1(dd) ;
				} while(dd != old) ;
				if(degree == 3)
				{
					Dart centerFace = map.phi2(map.phi1(old)) ;
					newF.mark(centerFace);
				}
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				map.setCurrentLevel(map.getMaxLevel()) ;
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				for(PFP::AGENTS::iterator ait = oldAgents.begin(); ait != oldAgents.end(); ++ait)
				{
					resetAgentInFace(*ait) ;
					pushAgentInCells(*ait, (*ait)->part_.d) ;
				}
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				dd = old ;
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				do
				{
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					Dart d3 = dd ;
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					do
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					{
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						Dart d4 = map.alpha1(map.alpha1(d3)) ;
						PFP::AGENTS& nad3 = neighborAgentvect[d3] ;
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						while(d4 != d3)
						{
							if(!newF.isMarked(d4))
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							{
								PFP::AGENTS& ad4 = agentvect[d4] ;
								nad3.insert(nad3.end(), ad4.begin(), ad4.end()) ;
							}
							d4 = map.alpha1(d4) ;
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						}
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						d3 = map.phi1(d3) ;
					} while(d3 != dd) ;
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					map.setCurrentLevel(fLevel) ;
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					dd = map.phi1(dd) ;
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					map.setCurrentLevel(map.getMaxLevel()) ;
				} while(dd != old);

				if(degree == 3)
				{
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					Dart centerFace = map.phi2(map.phi1(old)) ;
					Dart d3 = centerFace ;
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					do
					{
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						Dart d4 = map.alpha1(map.alpha1(d3)) ;
						PFP::AGENTS& nad3 = neighborAgentvect[d3] ;
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						while(d4 != d3)
						{
							if(!newF.isMarked(d4))
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							{
								PFP::AGENTS& ad4 = agentvect[d4] ;
								nad3.insert(neighborAgentvect[d3].end(), ad4.begin(), ad4.end()) ;
							}
							d4 = map.alpha1(d4) ;
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						}
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						d3 = map.phi1(d3) ;
					} while(d3 != centerFace) ;
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				}
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			}
		}
	}
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	for(unsigned int it = 0; it < coarsenCandidate.size(); ++it)
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	{
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		Dart old = coarsenCandidate[it] ;
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		coarsenMark.unmark(old) ;
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		unsigned int fLevel = map.faceLevel(old) ;
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		if(fLevel > 0 && map.getDartLevel(old) < fLevel)
		{
			unsigned int cur = map.getCurrentLevel() ;
			map.setCurrentLevel(fLevel - 1) ;

			if(map.faceIsSubdividedOnce(old))
			{
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				// on compte le nombre d'agents dans les sous-faces
				// on en profite pour compter le degré de la face grossière
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				unsigned int degree = 0 ;
				unsigned int nbAgents = 0 ;
				Dart fit = old ;
				do
				{
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					nbAgents += agentvect[fit].size() ;
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					++degree ;
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					coarsenMark.unmark(fit) ;
					unsigned int start = it + 1;
					unsigned int fEmb = map.getEmbedding(FACE, fit) ;
					while(start < coarsenCandidate.size())
					{
						if(map.getEmbedding(FACE, coarsenCandidate[start]) == fEmb)
						{
							coarsenCandidate[start] = coarsenCandidate.back() ;
							coarsenCandidate.pop_back() ;
						}
						else
							++start ;
					}

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					fit = map.phi1(fit) ;
				} while(fit != old) ;
				if(degree == 3)
				{
					map.setCurrentLevel(fLevel) ;
					Dart centerFace = map.phi2(map.phi1(old)) ;
					nbAgents += agentvect[centerFace].size() ;
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					coarsenMark.unmark(centerFace) ;
					unsigned int start = it + 1;
					unsigned int fEmb = map.getEmbedding(FACE, centerFace) ;
					while(start < coarsenCandidate.size())
					{
						if(map.getEmbedding(FACE, coarsenCandidate[start]) == fEmb)
						{
							coarsenCandidate[start] = coarsenCandidate.back() ;
							coarsenCandidate.pop_back() ;
						}
						else
							++start ;
					}
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					map.setCurrentLevel(fLevel - 1) ;
				}

				if(nbAgents < nbAgentsToSimplify)
				{
					PFP::AGENTS agents ;
					Dart fit = old ;
					do
					{
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						PFP::AGENTS a(agentvect[fit]) ;
						agents.insert(agents.end(), a.begin(), a.end()) ;
						map.setCurrentLevel(map.getMaxLevel()) ;
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						for(PFP::AGENTS::iterator ait = a.begin(); ait != a.end(); ++ait)
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							popAgentInCells(*ait, fit) ;
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						map.setCurrentLevel(fLevel - 1) ;
						Dart nf = map.phi2(fit) ;
						if(!map.faceIsSubdivided(nf))
						{
							map.setCurrentLevel(fLevel) ;
							PFP::AGENTS& an = agentvect[nf] ;
							for(PFP::AGENTS::iterator ait = an.begin(); ait != an.end(); ++ait)
							{
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								if((*ait)->part_.d == map.phi1(nf))
									(*ait)->part_.d = nf ;
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							}
							map.setCurrentLevel(fLevel - 1) ;
						}
						fit = map.phi1(fit) ;
					} while(fit != old) ;
					if(degree == 3)
					{
						map.setCurrentLevel(fLevel) ;
						Dart centerFace = map.phi2(map.phi1(old)) ;
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						PFP::AGENTS a(agentvect[centerFace]) ;
						agents.insert(agents.end(), a.begin(), a.end()) ;
						map.setCurrentLevel(map.getMaxLevel());
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						for(PFP::AGENTS::iterator ait = a.begin(); ait != a.end(); ++ait)
							popAgentInCells(*ait, centerFace);
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						map.setCurrentLevel(fLevel - 1) ;
					}
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					neighborAgentvect[old].clear();
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					Algo::IHM::coarsenFace<PFP>(map, old, position) ;

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					std::pair<bool,bool>& sf = subdivisableFace[old] ;
					sf.first = true;
					sf.second = true;
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					map.setCurrentLevel(map.getMaxLevel());

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					for(PFP::AGENTS::iterator itA = agents.begin(); itA != agents.end(); ++itA)
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					{
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						(*itA)->part_.d = old ;
						pushAgentInCells(*itA, old);
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					}
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					Dart dd = old;
					do
					{
						Dart ddd = map.alpha1(map.alpha1(dd));
						while(ddd != dd)
						{
							neighborAgentvect[old].insert(neighborAgentvect[old].end(), agentvect[ddd].begin(), agentvect[ddd].end());
							ddd = map.alpha1(ddd);
						}
						dd = map.phi1(dd);
					} while(dd != old);
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					if(fLevel > 1 && !coarsenMark.isMarked(old) && agentvect[old].size() < nbAgentsToSimplify / 4)
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					{
						coarsenMark.mark(old);
						coarsenCandidate.push_back(map.faceOldestDart(old));
					}
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				}
			}
			map.setCurrentLevel(cur) ;
		}
	}
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	map.setCurrentLevel(map.getMaxLevel()) ;
}

void EnvMap::resetAgentInFace(Agent* agent)
{
	VEC3 pos = agent->part_.m_position;
	agent->part_.m_position = Algo::Geometry::faceCentroid<PFP>(map, agent->part_.d, position);
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	agent->part_.state = FACE;
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	agent->part_.move(pos);
}