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WorldCell.cpp
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#include "stdafx.h"
#include "WorldCell.h"
#include "NodeInterface.h"
#include "RoadInterface.h"
#include "Geometry.h"
#include "WorldNode.h"
#include "WorldRoad.h"
#include "WorldFrame.h"
#include "SimpleNode.h"
#include "SimpleRoad.h"
#include "Triangulate.h"
#include "PerformanceTimer.h"
#include "WorldBlock.h"
#include "MeshBuilder.h"
#include "WorldMaterials.h"
#include <OgreEntity.h>
#include <OgreManualObject.h>
#include <OgreMeshManager.h>
#include <OgreStringConverter.h>
#include <tinyxml.h>
using namespace Ogre;
using namespace std;
int WorldCell::_instanceCount = 0;
const CellParams CellParams::MANHATTAN(
0, // type
1, // seed
70, // segmentSize
0.02, // segmentDeviance
4, // degree
0.0, // degreeDeviance
2.1, // aspect
30.0, // snapSize
18, // buildingHeight
0.6, // buildingDeviance
4.6, // roadWidth
0, // roadLimit
1.0, // connectivity
3.2, // pavementWidth;
0.28, // pavementHeight;
10.5, // lotWidth
18.0, // lotDepth
0.5, // lotDeviance
false // debug
);
const CellParams CellParams::INDUSTRIAL(
1, // type
1, // seed
40, // segmentSize
0.2, // segmentDeviance
4, // degree
0.05, // degreeDeviance
1.2, // aspect
35, // snapSize
6, // buildingHeight
0.3, // buildingDeviance
3.5, // roadWidth
0, // roadLimit
0.15, // connectivity
2, // pavementWidth;
0.28, // pavementHeight;
24.0, // lotWidth
28.0, // lotDepth
0.6, // lotDeviance
false // debug
);
const CellParams CellParams::SUBURBIA(
2, // type
1, // seed
46, // segmentSize
0.6, // segmentDeviance
9, // degree
0.6, // degreeDeviance
1.0, // aspect
40, // snapSize
4, // buildingHeight
0.1, // buildingDeviance
3.0, // roadWidth
0, // roadLimit
0.0, // connectivity
1.5, // pavementWidth;
0.28, // pavementHeight;
7.0, // lotWidth
12.0, // lotDepth
0.2, // lotDeviance
false // debug
);
CellParams WorldCell::_defaultGenParams = CellParams::MANHATTAN;
#define USENORMALS 1
WorldCell::WorldCell(const RoadGraph &p, const RoadGraph &s,
vector<NodeInterface*> &n, const Display mode) :
_parentRoadGraph(p), _simpleRoadGraph(s)
{
_displayMode = mode;
_busy = false;
// set up some default growth gen params
_genParams = _defaultGenParams;
_roadsEnt = 0;
_buildingsEnt = 0;
_debugMO = 0;
_mbBuildings = 0;
_name = "cell"+StringConverter::toString(_instanceCount++);
_sceneNode = WorldFrame::getSingleton().getSceneManager()->getRootSceneNode()->createChildSceneNode(_name);
setBoundary(n);
}
WorldCell::~WorldCell()
{
clearBoundary();
clearFilaments();
clearRoadGraph();
destroySceneObject();
_sceneNode->detachAllObjects();
_sceneNode->getCreator()->destroySceneNode(_sceneNode->getName());
}
void WorldCell::clear()
{
clearBoundary();
clearFilaments();
clearRoadGraph();
destroySceneObject();
}
void WorldCell::destroySceneObject()
{
_sceneNode->detachAllObjects();
if (_debugMO)
{
_sceneNode->getCreator()->destroyManualObject(_debugMO);
delete _debugMO;
_debugMO = 0;
}
if (_roadsEnt)
{
_sceneNode->getCreator()->destroyEntity(_roadsEnt);
MeshManager::getSingleton().remove(_name+"Roads");
_roadsEnt = 0;
}
if (_buildingsEnt)
{
_sceneNode->getCreator()->destroyEntity(_buildingsEnt);
MeshManager::getSingleton().remove(_name+"Buildings");
_buildingsEnt = 0;
}
// TODO ?
MeshManager::getSingleton().remove(_name+"b0Mesh");
MeshManager::getSingleton().remove(_name+"b1Mesh");
}
void WorldCell::update()
{
}
void WorldCell::clearRoadGraph()
{
// delete roads
RoadIterator rIt, rEnd;
for ( tie(rIt, rEnd) = _roadGraph.getRoads(); rIt != rEnd; rIt++)
{
RoadInterface* ri = _roadGraph.getRoad((*rIt));
try {
if (typeid(*ri) == typeid(SimpleRoad))
delete ri;
}catch(...) {}
}
// delete nodes
NodeIterator nIt, nEnd;
for ( boost::tie(nIt, nEnd) = _roadGraph.getNodes(); nIt != nEnd; nIt++)
delete _roadGraph.getNode((*nIt));
_roadGraph.clear();
}
struct CMP1231
{
bool operator()(const pair<size_t, WorldRoad*> l, const pair<size_t, WorldRoad*> r)
{
return l.second->getLength() > r.second->getLength();
}
};
bool cmpRd(const WorldRoad* l, const WorldRoad* r)
{
return l->getLength() < r->getLength();
}
NodeInterface* WorldCell::placeSegment(rando &genRandom, NodeInterface* currentNode, Vector2 &cursor, size_t &roadCount)
{
RoadId rd;
NodeId nd;
Vector3 newPoint;
// 6600 vs. 8600 debug
// 94 vs. 109 release
switch (_roadGraph.snapInfo(currentNode->_nodeId, cursor,
_genParams._snapSize, newPoint, nd, rd))
{
case 0:
// no intersection found
{
NodeInterface *cursorNode = createNode(cursor);
createRoad(currentNode, cursorNode);
roadCount++;
return cursorNode;
//q.push(make_pair<NodeInterface*, Vector2>(cursorNode,
// currentDirection)); // enqueue
}
case 1:
{
//if(((float)rand()/(float)RAND_MAX) > _genParams._connectivity)
if (genRandom() > _genParams._connectivity)
return 0;
// road intersection
//NodeInterface *cursorNode = createNode(newPoint);
NodeInterface *cursorNode = new SimpleNode(_roadGraph);
NodeId cursorNodeId = _roadGraph.addNode(cursorNode);
cursorNode->_nodeId = cursorNodeId;
createRoad(currentNode, cursorNode);
roadCount++;
// get intersected source src and dst
RoadInterface *ri = _roadGraph.getRoad(rd);
NodeId srcNodeId = _roadGraph.getSrc(rd);
NodeId dstNodeId = _roadGraph.getDst(rd);
//if road is a boundary road
if (typeid(*ri) == typeid(WorldRoad))
{
cursorNode->setPosition3D(newPoint.x, newPoint.y, newPoint.z);
// remove road segment from graph
_roadGraph.removeRoad(srcNodeId, dstNodeId);
// create replacement segments
RoadId rd;
if (_roadGraph.addRoad(srcNodeId, cursorNodeId, rd))
_roadGraph.setRoad(rd, ri);
if (_roadGraph.addRoad(cursorNodeId, dstNodeId, rd))
_roadGraph.setRoad(rd, ri);
}
else
{
cursorNode->setPosition2D(newPoint.x, newPoint.z);
// delete the road rd
deleteRoad(ri);
// reconstruct road in the form of two segments
createRoad(_roadGraph.getNode(srcNodeId), cursorNode);
createRoad(cursorNode, _roadGraph.getNode(dstNodeId));
}
break;
}
case 2:
// node snap
// test if road exists
if(_roadGraph.roadExists(currentNode->_nodeId, nd) != true && currentNode != _roadGraph.getNode(nd))
{
if (genRandom() <= _genParams._connectivity)
{
createRoad(currentNode, _roadGraph.getNode(nd));
roadCount++;
}
}
break;
}
return 0;
}
void WorldCell::generateRoadNetwork(rando genRandom)
{
queue< pair<NodeInterface*, Vector2> > q;
size_t roadCount = 0;
//return;
// TODO: tidy me up
bool centreSuccess = false;
/* if (_genParams._connectivity >= 1.0f)
{
// 2. Get Center as a start point !!return if its node inside the cell
vector<Vector2> pointList;
vector<NodeInterface*>::const_iterator nIt, nEnd;
for (nIt = _boundaryCycle.begin(), nEnd = _boundaryCycle.end(); nIt
!= nEnd; nIt++)
pointList.push_back((*nIt)->getPosition2D());
_centre = Geometry::centerOfMass(pointList);
if (isInside(_centre))
{
NodeInterface* startNode = createNode(_centre);
// 3. Get initial direction vector from longest boundary road
RoadInterface *longest = getLongestBoundaryRoad();
Vector2 direction = longest->getSrcNode()->getPosition2D() - longest->getDstNode()->getPosition2D();
direction.normalise();
direction = direction.perpendicular() * _genParams._segmentSize;
q.push(make_pair<NodeInterface*, Vector2>(startNode, direction));
centreSuccess = true;
}
}*/
if (!centreSuccess)
{
// get a list of boundary roads
size_t boundaryRoadsN = _boundaryCycle.size();
vector< pair<size_t, WorldRoad*> > boundaryRoads;
boundaryRoads.reserve(boundaryRoadsN);
std::vector<Real> lengths;
for (size_t j, i=0; i<_boundaryCycle.size(); i++)
{
j = (i+1)%boundaryRoadsN;
WorldRoad* wr = getWorldRoad(
static_cast<WorldNode*>(_boundaryCycle[i]),
static_cast<WorldNode*>(_boundaryCycle[j]));
lengths.push_back(wr->getLength());
boundaryRoads.push_back(make_pair<size_t, WorldRoad*>(i, wr));
}
// sort roads by length
std::sort(boundaryRoads.begin(), boundaryRoads.end(), CMP1231());
//
size_t numberOfRoadsToStartFrom = boundaryRoadsN/2;
if(_genParams._connectivity >= 1.0f) numberOfRoadsToStartFrom = 1;
// for half of the roads, the largest ones
for (size_t i=0; i<numberOfRoadsToStartFrom; i++)
{
// first node
Vector3 pos1_3D(boundaryRoads[i].second->getMidPoint());
Vector2 pos1(pos1_3D.x, pos1_3D.z);
// TODO: current direction is cumulative, test non-cumulative
// get the road direction
size_t j = boundaryRoads[i].first;
size_t k = (j+1)%boundaryRoadsN;
Vector2 roadDir(_boundaryCycle[k]->getPosition2D()
- _boundaryCycle[j]->getPosition2D());
roadDir = roadDir.perpendicular();
roadDir.normalise();
Vector2 pos2 = pos1 + (roadDir * _genParams._segmentSize/* * _genParams._aspect*/);
pos1 -= (roadDir * _genParams._segmentSize);
NodeInterface* currentNode = 0;
if (!isInside(pos2))
continue;
currentNode = createNode(pos2);
/*
NodeInterface* ni = placeSegment(genRandom, currentNode, pos1, roadCount);
if(ni)
{
RoadId rd = _roadGraph.getRoadId(currentNode->_nodeId, ni->_nodeId);
RoadInterface* ri = _roadGraph.getRoad(rd);
delete ri;
_roadGraph.removeRoad(rd);
NodeId nd = ni->_nodeId;
delete ni;
_roadGraph.removeNode(nd);
}
else
q.push(make_pair<NodeInterface*, Vector2>(currentNode, roadDir));
*/
// alter adjoining boundary road
RoadId rd;
NodeId nd;
Vector3 newPoint;
// 6600 vs. 8600 debug
// 94 vs. 109 release
//switch(_roadGraph.findClosestSnappedIntersection(currentNode->getPosition2D(), cursor, snapSzSquared, nd, rd, newPoint))
switch (_roadGraph.snapInfo(currentNode->_nodeId, pos1,
_genParams._snapSize, newPoint, nd, rd))
{
case 0:
break;
case 1:
{
// road intersection
//NodeInterface *cursorNode = createNode(newPoint);
NodeInterface *cursorNode = new SimpleNode(_roadGraph);
NodeId cursorNodeId = _roadGraph.addNode(cursorNode);
cursorNode->_nodeId = cursorNodeId;
createRoad(currentNode, cursorNode);
// get intersected source src and dst
RoadInterface *ri = _roadGraph.getRoad(rd);
NodeId srcNodeId = _roadGraph.getSrc(rd);
NodeId dstNodeId = _roadGraph.getDst(rd);
//if road is a boundary road
if (typeid(*ri) == typeid(WorldRoad))
{
cursorNode->setPosition3D(newPoint.x, newPoint.y, newPoint.z);
// remove road segment from graph
_roadGraph.removeRoad(srcNodeId, dstNodeId);
// create replacement segments
RoadId rd;
if (_roadGraph.addRoad(srcNodeId, cursorNodeId, rd))
_roadGraph.setRoad(rd, ri);
if (_roadGraph.addRoad(cursorNodeId, dstNodeId, rd))
_roadGraph.setRoad(rd, ri);
}
else
{
cursorNode->setPosition2D(newPoint.x, newPoint.z);
// delete the road rd
deleteRoad(ri);
// reconstruct road in the form of two segments
createRoad(_roadGraph.getNode(srcNodeId), cursorNode);
createRoad(cursorNode, _roadGraph.getNode(dstNodeId));
}
q.push(make_pair<NodeInterface*, Vector2>(currentNode, roadDir));
}
break;
case 2:
// node snap
// MMM: dont snap to your self ass monkey
if (currentNode != _roadGraph.getNode(nd))
createRoad(currentNode, _roadGraph.getNode(nd));
q.push(make_pair<NodeInterface*, Vector2>(currentNode, roadDir));
break;
}
}
}
Ogre::Real segDevSz = _genParams._segmentSize * _genParams._segmentDeviance;
Ogre::Real segSzBase = _genParams._segmentSize - (segDevSz / 2);
Radian thetaDivDegree(Math::TWO_PI / _genParams._degree);
Radian thetaDeviance(_genParams._degreeDeviance * thetaDivDegree);
Radian thetaHalfDeviance(thetaDeviance / 2);
while (!q.empty())
{
NodeInterface* currentNode;
Vector2 originalDirection, currentDirection;
boost::tie(currentNode, originalDirection) = q.front();
q.pop();
//Ogre::Radian theta(Math::TWO_PI / (degBase + (degDev * ((float)rand()/(float)RAND_MAX))));
// (degBase + (degDev * genRandom())));
vector<Vector2> directions;
directions.reserve(_genParams._degree);
for (unsigned int i=0; i < _genParams._degree; i++)
{
Radian theta = (i*thetaDivDegree) - thetaHalfDeviance + genRandom() * thetaDeviance;
directions.push_back(Geometry::rotate(originalDirection, theta).normalisedCopy());
}
// alter our direction vector
for (unsigned int i=0; i < _genParams._degree; i++)
{
Radian theta = (i*thetaDivDegree) - thetaHalfDeviance + genRandom() * thetaDeviance;
if (!_genParams._mcbDebug && _genParams._roadLimit != 0 &&
roadCount >= _genParams._roadLimit)
//if(roadCount++ >= 29)
{
while (!q.empty())
q.pop();
break;
}
if (roadCount == 39)
{
size_t z = 0;
}
// get a candidate
currentDirection = directions[i];
//currentDirection = Geometry::rotate(originalDirection, theta);
// doesn't work grrrrrrrrrr
//currentDirection.normalise();
//Real segSz = (segSzBase + (segDevSz * ((float)rand()/(float)RAND_MAX)));
Real segSz= (segSzBase + (segDevSz * genRandom()));
if(_genParams._degree == 4 && (i==1 || i==3)) segSz *= _genParams._aspect;
currentDirection *= segSz;
Vector2 cursor(currentDirection + currentNode->getPosition2D());
if (_genParams._roadLimit != 0 &&
roadCount >= (_genParams._roadLimit - 1))
{
RoadId rd;
NodeId nd;
Vector3 newPoint;
int snapState = _roadGraph.snapInfo(currentNode->_nodeId, cursor,
_genParams._snapSize, newPoint, nd, rd);
LogManager::getSingleton().logMessage("I got: "+StringConverter::toString(snapState));
}
NodeInterface* ni = placeSegment(genRandom, currentNode, cursor, roadCount);
if(ni) q.push(make_pair<NodeInterface*, Vector2>(ni, directions[0]));
}
}
}
void WorldCell::prebuild()
{
if(_displayMode >= view_cell) prebuildRoads();
if(_displayMode >= view_box) prebuildBuildings();
}
void WorldCell::prebuild1()
{
if(_displayMode >= view_cell) prebuildRoads();
}
void WorldCell::prebuild2()
{
if(_displayMode >= view_box) prebuildBuildings();
}
void WorldCell::prebuildRoads()
{
// Define a random number generator and init with a reproducible seed.
base_generator_type generator(_genParams._seed);
// Define a uniform random number distribution which produces "double"
// values between 0 and 1 (0 inclusive, 1 exclusive).
boost::uniform_real<> uni_dist(0, 1);
rando rg(generator, uni_dist);
clearRoadGraph();
installGraph();
//PerformanceTimer gpt("Generation_"+StringConverter::toString((int)this));
generateRoadNetwork(rg);
//gpt.stop();
//LogManager::getSingleton().logMessage(gpt.toString());
NodeIterator nIt, nEnd;
for ( boost::tie(nIt, nEnd) = _roadGraph.getNodes(); nIt != nEnd; nIt++)
{
NodeInterface* ni = _roadGraph.getNode(*nIt);
if (typeid(*ni) == typeid(SimpleNode))
{
static_cast<SimpleNode*>(ni)->prebuild();
//static_cast<SimpleNode*>(ni)->build(roadBuilder, mat);
}
}
RoadIterator rIt, rEnd;
for ( boost::tie(rIt, rEnd) = _roadGraph.getRoads(); rIt != rEnd; rIt++)
{
RoadInterface* ri = _roadGraph.getRoad(*rIt);
if (typeid(*ri) == typeid(SimpleRoad))
{
static_cast<SimpleRoad*>(ri)->prebuild();
//static_cast<SimpleRoad*>(ri)->build(roadBuilder, mat2);
}
}
}
void WorldCell::prebuildBuildings()
{
size_t blockErrors = 0;
vector< vector<NodeInterface*> > cycles;
// Define a random number generator and init with a reproducible seed
// using a uniform random number distribution which produces "double"
// values between 0 and 1 (0 inclusive, 1 exclusive).
base_generator_type generator(_genParams._seed);
boost::uniform_real<> uni_dist(0, 1);
rando rg(generator, uni_dist);
// extract the cycles from the road graph, build the blocks and add to the
// building mesh if no error occurred
_roadGraph.extractEnclosedRegions(cycles,0,10000);
_blocks.reserve(cycles.size());
_mbBuildings = new MeshBuilder(_name+"Buildings", "custom", this);
BOOST_FOREACH(vector<NodeInterface*> &cycle, cycles)
{
vector<Vector3> poly;
BOOST_FOREACH(NodeInterface* ni, cycle)
{
Vector3 v = ni->getPosition3D();
//if(_isnan(v.x) || _isnan(v.y) || _isnan(v.z))
// throw Exception(Exception::ERR_INVALIDPARAMS, "Nan", "WorldBlock");
}
if(extractPolygon(cycle, poly))
{
WorldBlock* b = new WorldBlock(poly, _genParams, rg, _mbBuildings, _genParams._debug);
if(b->_error)
{
blockErrors++;
delete b;
}
else _blocks.push_back(b);
}
else blockErrors++;
}
// print out some debug information on block errors
//if(blockErrors > 0) LogManager::getSingleton().logMessage(_name+"\tblock error count\t"+StringConverter::toString(blockErrors));
}
void WorldCell::build()
{
destroySceneObject();
if(_debugMO)
{
_sceneNode->detachObject(_debugMO);
delete _debugMO;
_debugMO = 0;
}
if(_displayMode >= view_cell) buildRoads();
if(_genParams._debug)
{
_debugMO = new ManualObject(_name+"Debug");
vector< vector<NodeInterface*> > cycles;
_roadGraph.extractEnclosedRegions(cycles, _debugMO);
buildDebugOverlay();
BOOST_FOREACH(WorldBlock* b, _blocks) b->drawDebug(_debugMO);
_sceneNode->attachObject(_debugMO);
}
if(_displayMode >= view_box) buildBuildings();
//if(_genParams._mcbDebug && _debugMO) _sceneNode->attachObject(_debugMO);
}
void WorldCell::buildRoads()
{
//1. destroy scene objects
// build road junctions
Material* roadMaterial = WorldMaterials::getSingleton().getDefaultMaterial("road");
Material* junctionMaterial = WorldMaterials::getSingleton().getDefaultMaterial("junction");
MeshBuilder roadBuilder(_name+"Roads", "custom", this);
NodeIterator nIt, nEnd;
for ( boost::tie(nIt, nEnd) = _roadGraph.getNodes(); nIt != nEnd; nIt++)
{
NodeInterface* ni = _roadGraph.getNode(*nIt);
if (typeid(*ni) == typeid(SimpleNode))
static_cast<SimpleNode*>(ni)->build(roadBuilder, junctionMaterial);
}
// build road segments
RoadIterator rIt, rEnd;
for ( boost::tie(rIt, rEnd) = _roadGraph.getRoads(); rIt != rEnd; rIt++)
{
RoadInterface* ri = _roadGraph.getRoad(*rIt);
if (typeid(*ri) == typeid(SimpleRoad))
static_cast<SimpleRoad*>(ri)->build(roadBuilder, roadMaterial);
}
// create entity for road network
roadBuilder.build();
_roadsEnt = _sceneNode->getCreator()->createEntity(_name+"RoadsEnt", roadBuilder.getName());
_sceneNode->attachObject(_roadsEnt);
}
void WorldCell::buildBuildings()
{
// create ogre entity using mesh builder
_mbBuildings->build();
_buildingsEnt = _sceneNode->getCreator()->createEntity(_name+"BuildsEnt", _mbBuildings->getName());
_sceneNode->attachObject(_buildingsEnt);
delete _mbBuildings;
_mbBuildings = 0;
// am done with blocks now.
BOOST_FOREACH(WorldBlock* b, _blocks) delete b;
_blocks.clear();
}
bool WorldCell::isInside(const Ogre::Vector2 &loc) const
{
bool rayCross = false;
BOOST_FOREACH(RoadInterface* ri, _boundaryRoads)
if (ri->rayCross(loc)) rayCross = !rayCross;
return rayCross;
}
RoadInterface* WorldCell::getLongestBoundaryRoad() const
{
RoadInterface* longest = 0;
Ogre::Real length = 0;
BOOST_FOREACH(RoadInterface* ri, _boundaryRoads)
{ if(longest == 0 || ri->getLengthSquared() > length)
{
longest = ri;
length = longest->getLengthSquared();
}
}
return longest;
}
void WorldCell::installGraph()
{
// node map used to only insert nodes once
map<NodeInterface*, NodeInterface*> nodeMap;
// install boundary roads and filaments to map
BOOST_FOREACH(RoadInterface* ri, _boundaryRoads) installRoad(ri, nodeMap);
BOOST_FOREACH(RoadInterface* ri, _filamentRoads) installRoad(ri, nodeMap);
}
void WorldCell::installRoad(RoadInterface* ri,
map<NodeInterface*, NodeInterface*> &nodeMap)
{
//create the road node
assert(typeid(*ri) == typeid(WorldRoad));
BOOST_FOREACH(RoadId rSegId, static_cast<WorldRoad*>(ri)->getRoadSegmentList())
{
// check we have the nodes, if not add them
NodeInterface *srcNd = _parentRoadGraph.getSrcNode(rSegId);
NodeInterface *dstNd = _parentRoadGraph.getDstNode(rSegId);
if(nodeMap.find(srcNd) == nodeMap.end())
nodeMap[srcNd] = createNode(srcNd->getPosition3D());
if(nodeMap.find(dstNd) == nodeMap.end())
nodeMap[dstNd] = createNode(dstNd->getPosition3D());
// create the road seg
RoadId rd;
if(_roadGraph.addRoad(nodeMap[srcNd]->_nodeId, nodeMap[dstNd]->_nodeId, rd))
_roadGraph.setRoad(rd, ri);
else
throw Exception(Exception::ERR_ITEM_NOT_FOUND, "Road not Installed", "WorldCell::installRoad");
}
}
void WorldCell::setBoundary(const vector<NodeInterface*> &nodeCycle)
{
clearRoadGraph();
clearBoundary();
_boundaryCycle = nodeCycle;
size_t i, j, N = _boundaryCycle.size();
for (i=0; i<N; i++)
{
j = (i+1) % N;
// This is messy, but fuck it i don't have the time
WorldNode* wn1 = static_cast<WorldNode*>(_boundaryCycle[i]);
WorldNode* wn2 = static_cast<WorldNode*>(_boundaryCycle[j]);
RoadId rd = _simpleRoadGraph.getRoadId(wn1->mSimpleNodeId,
wn2->mSimpleNodeId);
_boundaryRoads.push_back(_simpleRoadGraph.getRoad(rd));
}
// set up listeners to receive invalidate events from roads
vector<RoadInterface*>::iterator rIt, rEnd;
for (rIt = _boundaryRoads.begin(), rEnd = _boundaryRoads.end(); rIt != rEnd; rIt++)
{
if (typeid(*(*rIt)) == typeid(WorldRoad))
{
static_cast<WorldRoad*>(*rIt)->attach(this);
}
}
invalidate();
}
void WorldCell::addFilament(WorldRoad* f)
{
f->attach(this);
_filamentRoads.push_back(f);
invalidate();
}
void WorldCell::removeFilament(WorldRoad* f)
{
vector<RoadInterface*>::iterator rIt, rEnd;
for (rIt = _filamentRoads.begin(), rEnd = _filamentRoads.end(); rIt != rEnd; rIt++)
{
assert(typeid(*(*rIt)) == typeid(WorldRoad));
WorldRoad* wr = static_cast<WorldRoad*>(*rIt);
if (wr == f)
{
wr->detach(this);
_filamentRoads.erase(rIt);
break;
}
}
invalidate();
}
// TODO: I really need to get rid of this boundary road crap
void WorldCell::clearBoundary()
{
BOOST_FOREACH(RoadInterface* ri, _boundaryRoads)
{
if(typeid(*ri) == typeid(WorldRoad))
static_cast<WorldRoad*>(ri)->detach(this);
}
_boundaryRoads.clear();
invalidate();
}
void WorldCell::clearFilaments()
{
vector<RoadInterface*>::iterator rIt, rEnd;
for (rIt = _filamentRoads.begin(), rEnd = _filamentRoads.end(); rIt != rEnd; rIt++)
{
if (typeid(*(*rIt)) == typeid(WorldRoad))
static_cast<WorldRoad*>(*rIt)->detach(this);
}
_filamentRoads.clear();
invalidate();
}
CellParams WorldCell::getGenParams() const
{
return _genParams;
}
CellParams WorldCell::getDefaultGenParams()
{
return _defaultGenParams;
}
void WorldCell::setGenParams(const CellParams &g)
{
_genParams = g;
invalidate();
}
void WorldCell::setDefaultGenParams(const CellParams &g)
{
_defaultGenParams = g;
}
const vector<RoadInterface*>& WorldCell::getBoundaryRoads() const
{
return _boundaryRoads;
}
const vector<NodeInterface*>& WorldCell::getBoundaryCycle() const
{
return _boundaryCycle;
}
const vector<RoadInterface*>& WorldCell::getFilaments() const
{
return _filamentRoads;
}
NodeInterface* WorldCell::createNode(const Vector2 &pos)
{
SimpleNode *sn = new SimpleNode(_roadGraph, pos);
NodeId nd = _roadGraph.addNode(sn);
sn->_nodeId = nd;
return sn;
}
NodeInterface* WorldCell::createNode(const Vector3 &pos)
{
SimpleNode *sn = new SimpleNode(_roadGraph, pos);
NodeId nd = _roadGraph.addNode(sn);
sn->_nodeId = nd;
return sn;
}
RoadInterface* WorldCell::createRoad(NodeInterface *n1, NodeInterface *n2)
{
RoadId rd;
if (_roadGraph.addRoad(n1->_nodeId, n2->_nodeId, rd))
{
SimpleRoad *sr = new SimpleRoad(n1, n2, rd);
sr->setWidth(_genParams._roadWidth);
_roadGraph.setRoad(rd, sr);
return sr;
}
else
return 0;
}
void WorldCell::deleteRoad(RoadInterface *ri)
{
// remove it from the graph
_roadGraph.removeRoad(ri->getSrcNode()->_nodeId, ri->getDstNode()->_nodeId);
// delete it
delete ri;
}
bool WorldCell::isBoundaryNode(const NodeInterface *ni) const
{
BOOST_FOREACH(NodeInterface* n, _boundaryCycle)
if (n==ni) return true;
return false;
}
bool WorldCell::compareBoundary(const vector<NodeInterface*>& nodeCycle) const
{
// compare size
if (nodeCycle.size() != _boundaryCycle.size())
return false;
// find match
size_t i, j, offset, N = nodeCycle.size();
for (i = 0; i < N; i++)
{
if (nodeCycle[0] == _boundaryCycle[i])
break;
}
if (i >= N)
return false;
else
offset = i;
// try forwards
for (i = 1; i < N; i++)
{
if (nodeCycle[i] != _boundaryCycle[(i + offset) % N])
break;
}
if (i >= N)
return true;
// try backwards
for (i = 1, j = offset-1; i < N; i++, j--)
{
if (nodeCycle[i] != _boundaryCycle[j % N])
return false;
}
return true;
}
RoadInterface* WorldCell::getRoad(NodeInterface* n1, NodeInterface* n2)
{
return _roadGraph.getRoad(_roadGraph.getRoadId(n1->_nodeId, n2->_nodeId));
}
void WorldCell::setSelected(bool show)
{
std::vector<RoadInterface*>::iterator bIt, bEnd;
for (bIt = _boundaryRoads.begin(), bEnd = _boundaryRoads.end(); bIt != bEnd; bIt++)
{
if (typeid(*(*bIt)) == typeid(WorldRoad))
static_cast<WorldRoad*>(*bIt)->setSelected(show);
}
}
void WorldCell::setHighlighted(bool show)
{
std::vector<RoadInterface*>::iterator bIt, bEnd;
for (bIt = _boundaryRoads.begin(), bEnd = _boundaryRoads.end(); bIt != bEnd; bIt++)
{
if (typeid(*(*bIt)) == typeid(WorldRoad))
static_cast<WorldRoad*>(*bIt)->setHighlighted(show);
}
}
bool WorldCell::loadXML(const TiXmlHandle& cellRoot)
{
// Load GenParams, not Smart Enough to do our own boundary or filaments, see parent
{
TiXmlElement *element = cellRoot.FirstChild("genparams").FirstChild().Element();
for (; element; element=element->NextSiblingElement())
{
string key = element->Value();
if (key == "seed")
element->QueryIntAttribute("value", &_genParams._seed);
else if (key == "type")
{
int t;
element->QueryIntAttribute("value", &t);
_genParams._type = static_cast<unsigned int>(t);
}
else if (key == "segmentSize")
element->QueryFloatAttribute("value", &_genParams._segmentSize);
else if (key == "segmentDeviance")
element->QueryFloatAttribute("value",
&_genParams._segmentDeviance);
else if (key == "degree")
{
int deg;
element->QueryIntAttribute("value", °);
_genParams._degree = static_cast<unsigned int>(deg);