env_map.cpp 9.58 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"

using namespace CGoGN;

EnvMap::EnvMap() : obstacleMark(map, EDGE_CELL), buildingMark(map, FACE_CELL)
{
	position = map.addAttribute<PFP::VEC3>(VERTEX_ORBIT, "position");
	normal = map.addAttribute<PFP::VEC3>(VERTEX_ORBIT, "normal");
	agentvect = map.addAttribute<PFP::AGENTVECT>(FACE_ORBIT, "agents");
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	neighborAgentvect = map.addAttribute<PFP::AGENTVECT>(FACE_ORBIT, "neighborAgents");
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	obstvect = map.addAttribute<PFP::OBSTACLEVECT>(FACE_ORBIT, "obstacles");
}

unsigned int EnvMap::mapMemoryCost()
{
	return (map.getAttributeContainer(DART_ORBIT)).memorySize()
			+ (map.getAttributeContainer(VERTEX_ORBIT)).memorySize()
			+ (map.getAttributeContainer(EDGE_ORBIT)).memorySize()
			+ (map.getAttributeContainer(FACE_ORBIT)).memorySize();
}

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

	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 = 5;
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	CityGenerator::generateCity<PFP>(map, position, obstacleMark, buildingMark, sideSize, nbSquares);
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	CityGenerator::simplifyFreeSpace<PFP>(map, position, obstacleMark, buildingMark);
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	map.init();
	registerObstaclesInFaces();
}

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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()
{
	CellMarker m(map, FACE_CELL);
	for(Dart d = map.begin(); d != map.end(); map.next(d))
	{
		if(!m.isMarked(d))
		{
			m.mark(d);

			Dart dd = d;
			do
			{
				if(obstacleMark.isMarked(dd))
					obstvect[d].push_back(map.phi2(dd));
				dd = map.phi1(dd);
			} while(dd != d);

			do
			{
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				Dart ddd = map.alpha1(map.alpha1(dd));
				while(ddd != dd)
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				{
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					if(!buildingMark.isMarked(ddd))
						addNeighborObstacles(obstvect[d], ddd, ddd == map.alpha_1(dd));
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					ddd = map.alpha1(ddd);
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				}
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				dd = map.phi1(dd);
			} while(dd != d);
		}
	}
}

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)
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{
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	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
	CellMarkerNoUnmark f(map, FACE_CELL);
	Dart d = oldFace;
	do
	{
		f.mark(d);
		d = map.alpha1(d);
	} while(d != oldFace);

	d = map.phi1(oldFace);
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	do
	{
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		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)
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		{
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			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;
					}
				}
			}
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			ddd = map.alpha1(ddd);
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		}
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		dd = map.phi1(dd);
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	} while(dd != oldFace);
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	// 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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}
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void EnvMap::agentChangeFace(Agent* agent, Dart oldFace)
{
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	popAgentInCells(agent, oldFace);
	pushAgentInCells(agent, agent->part_.d);
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}

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

	for(std::map<unsigned int, Dart>::iterator it = refineCandidate.begin(); it != refineCandidate.end(); ++it)
	{
		Dart d = (*it).second ;

		unsigned int fLevel = map.faceLevel(d) ;
		Dart old = map.faceOldestDart(d) ;

		if(agentvect[old].size() > nbAgentsToSubdivide)
		{
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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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			CellMarkerStore newF(map, FACE_CELL);
			newF.mark(old);
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			Algo::IHM::subdivideFace<PFP>(map, old, position) ;

			map.setCurrentLevel(map.getMaxLevel()) ;
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			for(PFP::AGENTS::iterator ait = oldAgents.begin(); ait != oldAgents.end(); ++ait)
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			{
				resetAgentInFace(*ait) ;
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				pushAgentInCells(*ait, (*ait)->part_.d) ;
			}

			unsigned int degree = 0;
			Dart dd = old;
			do
			{
				++degree;
				Dart d3 = dd;
				do
				{
					Dart d4 = map.alpha1(map.alpha1(d3));
					while(d4 != d3)
					{
						if(!newF.isMarked(d4))
							neighborAgentvect[d3].insert(neighborAgentvect[d3].end(), agentvect[d4].begin(), agentvect[d4].end());
						d4 = map.alpha1(d4);
					}
					d3 = map.phi1(d3);
				} while(d3 != dd);

				map.setCurrentLevel(fLevel) ;
				dd = map.phi1(dd);
				map.setCurrentLevel(map.getMaxLevel()) ;
			} while(dd != old);

			if(degree == 3)
			{
				Dart centerFace = map.phi2(map.phi1(old));
				Dart d3 = centerFace;
				do
				{
					Dart d4 = map.alpha1(map.alpha1(d3));
					while(d4 != d3)
					{
						if(!newF.isMarked(d4))
							neighborAgentvect[d3].insert(neighborAgentvect[d3].end(), agentvect[d4].begin(), agentvect[d4].end());
						d4 = map.alpha1(d4);
					}
					d3 = map.phi1(d3);
				} while(d3 != centerFace);
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			}
		}
	}
/*
	for(std::map<unsigned int, Dart>::iterator it = coarsenCandidate.begin(); it != coarsenCandidate.end(); ++it)
	{
		unsigned int face = (*it).first ;
		Dart d = (*it).second ;

		unsigned int fLevel = map.faceLevel(d) ;
		Dart old = map.faceOldestDart(d) ;

		if(fLevel > 0 && map.getDartLevel(old) < fLevel)
		{
			unsigned int cur = map.getCurrentLevel() ;
			map.setCurrentLevel(fLevel - 1) ;

			if(map.faceIsSubdividedOnce(old))
			{
				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 ;
					fit = map.phi1(fit) ;
				} while(fit != old) ;
				if(degree == 3)
				{
					map.setCurrentLevel(fLevel) ;
					Dart centerFace = map.phi2(map.phi1(old)) ;
					nbAgents += agentvect[centerFace].size() ;
					map.setCurrentLevel(fLevel - 1) ;
				}

				if(nbAgents < nbAgentsToSimplify)
				{
					PFP::AGENTS agents ;
					Dart fit = old ;
					do
					{
						map.setCurrentLevel(fLevel) ;
						unsigned int fEmb = map.getEmbedding(fit, FACE_ORBIT) ;
						if(fEmb != face)
							coarsenCandidate.erase(fEmb) ;
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						PFP::AGENTS a(agentvect[fit]) ;
						agents.insert(agents.end(), a.begin(), a.end()) ;
						map.setCurrentLevel(map.getMaxLevel()) ;
						for(PFP::AGENTS::iterator it = a.begin(); it != a.end(); ++it)
							popAgentInCells(*it, 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)
							{
								if((*ait)->part_.d == nf)
									(*ait)->part_.d = map.phi1(nf) ;
							}
							map.setCurrentLevel(fLevel - 1) ;
						}
						fit = map.phi1(fit) ;
					} while(fit != old) ;
					if(degree == 3)
					{
						map.setCurrentLevel(fLevel) ;
						Dart centerFace = map.phi2(map.phi1(old)) ;
						unsigned int fEmb = map.getEmbedding(centerFace, FACE_ORBIT) ;
						if(fEmb != face)
							coarsenCandidate.erase(fEmb) ;
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						PFP::AGENTS a(agentvect[centerFace]) ;
						agents.insert(agents.end(), a.begin(), a.end()) ;
						map.setCurrentLevel(map.getMaxLevel());
						for(PFP::AGENTS::iterator it = a.begin(); it != a.end(); ++it)
							popAgentInCells(*it, centerFace);
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						map.setCurrentLevel(fLevel - 1) ;
					}

					Algo::IHM::coarsenFace<PFP>(map, old, position) ;

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					// gestion des obstacles !!

					map.setCurrentLevel(map.getMaxLevel());

					agentvect[old].clear();
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					for(PFP::AGENTS::iterator it = agents.begin(); it != agents.end(); ++it)
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					{
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						(*it)->part_.d = old ;
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						pushAgentInCells(*it, old);
					}
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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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				}
			}
			map.setCurrentLevel(cur) ;
		}
	}
*/
	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);
	agent->part_.state = FACE_ORBIT;
	agent->part_.move(pos);
}