File indexing completed on 2023-10-01 04:14:07

 /***************************************************************************
                                cmappath.cpp
                              -------------------
     begin                : Sat Mar 10 2001
     copyright            : (C) 2001 by Kmud Developer Team
     email                : kmud-devel@kmud.de
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "cmappath.h"
 
 #include "cmapmanager.h"
 
 #include <kdebug.h>
 #include <klocale.h>
 #include <kconfiggroup.h>
 
 #include <qregion.h>
 #include <QPolygon>
 
 #include <math.h>
 #include <stdlib.h>
 
 #include "cmaplevel.h"
 #include "cmapcmdelementproperties.h"
 
 CMapPath::CMapPath(CMapManager *manager,CMapRoom *srcRoom,directionTyp srcDir,CMapRoom *destRoom,directionTyp destDir, bool twoWay) : CMapElement(manager,nullptr)
 {
   setSrcRoom(srcRoom);
   setDestRoom(destRoom);
   setSrcDir(srcDir);
   setDestDir(destDir);
   setCords();
   bSpecialExit = false;
   specialCmd = "";
 
   setLevel(srcRoom->getLevel());
   srcRoom->addPath(this);
   destRoom->getConnectingPathList()->append(this);
 
   // Check to see if there is a a path in the opsite directon, if so make this a two way path
   bool found = false;
   foreach (CMapPath *path, *destRoom->getPathList())
   {
     // FIXME_jp : Fix this for multiple special paths between the same rooms with different cmd's
     if (path->getDestRoom()==srcRoom &&
         path->getSrcDir() == destDir &&
         path->getDestDir() == srcDir &&
         path->getSpecialCmd() == "")
     {
       setOpsitePath(path);
       path->setOpsitePath(this);
       found = true;
     }
   }
   if (twoWay && (!found)) makeTwoWay();
 
   beforeCommand = "";
   afterCommand = "";
   done = false;
   opsitePath = nullptr;
 
   m_dontPaintBend=0;
 }
 
 CMapPath::CMapPath(CMapManager *manager,CMapRoom *srcRoom,CMapRoom *destRoom)  : CMapElement(manager,nullptr)
 {
     setSrcRoom(srcRoom);
     setDestRoom(destRoom);
     setSrcDir(NORTH);
     setDestDir(SOUTH);
 
     beforeCommand = "";
     afterCommand = "";
     bSpecialExit = false;
     specialCmd = "";
     done = false;
     opsitePath = nullptr;
 }
 
 CMapPath::~CMapPath()
 {
   if (opsitePath) {
     opsitePath->setOpsitePath(nullptr);  // needed to prevent endless looping
     delete opsitePath;
   }
 
   if (destRoom)
     destRoom->getConnectingPathList()->removeAll(this);
   if (srcRoom)
     srcRoom->getPathList()->removeAll(this);
 }
 
 void CMapPath::setDontPaintBend(int bend)
 {
     m_dontPaintBend = bend;
 }
 
 /** This method is used to set the cords of the path */
 void CMapPath::setCords(void)
 {
     QPoint pos1,pos2;
     CMapRoom *srcRoom = getSrcRoom();
     CMapRoom *destRoom = getDestRoom();
     directionTyp srcDir = getSrcDir();
     directionTyp destDir = getDestDir();
 
     QPoint start;
     QSize halfRoomSize;
 
     start.setX(srcRoom->getX() + (srcRoom->getWidth() /  2));
     start.setY(srcRoom->getY() + (srcRoom->getHeight() /  2));
 
     halfRoomSize = QSize(srcRoom->getSize().width()/2,srcRoom->getSize().height()/2);
     getManager()->directionToCord(srcDir,halfRoomSize,&pos1);
 
     pos1+=start;
 
     QPoint end;
 
     end.setX(destRoom->getX() + (destRoom->getWidth() /  2));
     end.setY(destRoom->getY() + (destRoom->getHeight() /  2));
     halfRoomSize = QSize(destRoom->getSize().width()/2,destRoom->getSize().height()/2);
 
     getManager()->directionToCord(destDir,halfRoomSize,&pos2);
 
     pos2+=end;
 
     QRect rect(pos1,pos2);
     setRect(rect);
         setDone(false);
 }
 
 /** Used to draw an arrow head */
 void CMapPath::drawArrow(directionTyp dir,QPainter *p,QPoint end)
 {
     int x1=0,x2=0,y1=0,y2=0;
     QPolygon cords(3);
 
     switch (dir)
     {
         case NORTH     : x1=end.x()-3; x2=end.x()+3; y1=end.y()-3; y2=end.y()-3; break;
         case SOUTH     : x1=end.x()-3; x2=end.x()+3; y1=end.y()+3; y2=end.y()+3; break;
         case WEST      : x1=end.x()-3; x2=end.x()-3; y1=end.y()-3; y2=end.y()+3; break;
         case EAST      : x1=end.x()+3; x2=end.x()+3; y1=end.y()-3; y2=end.y()+3; break;
         case NORTHEAST : x1=end.x(); x2=end.x()+4; y1=end.y()-4; y2=end.y(); break;
         case SOUTHEAST : x1=end.x(); x2=end.x()+4; y1=end.y()+4; y2=end.y(); break;
         case SOUTHWEST : x1=end.x(); x2=end.x()-4; y1=end.y()+4; y2=end.y(); break;
         case NORTHWEST : x1=end.x(); x2=end.x()-4; y1=end.y()-4; y2=end.y(); break;
         case UP        : break;
         case DOWN      : break;
         case SPECIAL   : break;
     }
 
     // Draw the arrow head to indicate the direction of the path
     cords.setPoint(0,end);
     cords.setPoint(1,x1,y1);
     cords.setPoint(2,x2,y2);
         p->drawPolygon(cords.constData(), 3, Qt::OddEvenFill);
 }
 
 QPoint CMapPath::getIndent(directionTyp dir,QPoint pos)
 {
     int x=0,y=0;
     int posx = pos.x();
     int posy = pos.y();
 
     switch (dir)
     {
         case NORTH     : x = posx  ; y=posy-5; break;
         case SOUTH     : x = posx  ; y=posy+5; break;
         case WEST      : x = posx-5; y=posy  ; break;
         case EAST      : x = posx+5; y=posy  ; break;
         case NORTHEAST : x = posx+5; y=posy-5; break;
         case SOUTHEAST : x = posx+5; y=posy+5; break;
         case SOUTHWEST : x = posx-5; y=posy+5; break;
         case NORTHWEST : x = posx-5; y=posy-5; break;
         case UP        : break;
         case DOWN      : break;
         case SPECIAL   : break;
     }
 
     return QPoint(x,y);
 }
 
 /** This method is used to calcualte the distance from a path segment */
 int CMapPath::getDistance (int x,int y,int x1,int x2,int y1,int y2)
 {
     int a = y1 - y2;
     int b = -(x1 - x2);
 
     int d = (int)(( (x - x2) * a + (y-y2) * b) / sqrt (a*a + b*b));
 
     return abs(d);
 }
 
 /** Set a pointer to the destination room */
 void CMapPath::setDestRoom(CMapRoom *DestRoom)
 {
     destRoom = DestRoom;
 }
 
 /** Set a pointer to the source room */
 void CMapPath::setSrcRoom(CMapRoom *SrcRoom)
 {
     srcRoom = SrcRoom;
 }
 
 /** Set the start and finish directrions of the path */
 void CMapPath::setSrcDir(directionTyp SrcDir)
 {
     srcDir = SrcDir;
 }
 
 void CMapPath::setDestDir(directionTyp DestDir)
 {
     destDir = DestDir;
 }
 
 void CMapPath::makeOneWay() {
   CMapPath *path = getOpsitePath();
   if (!path) return;
   path->setOpsitePath(nullptr);  // so it doesn't delete us too
   delete path;
 }
 
 void CMapPath::makeTwoWay()
 {
   if (opsitePath) return;
 
   CMapPath *newPath = new CMapPath(getManager(), destRoom, destDir, srcRoom, srcDir, false);
   setOpsitePath(newPath);
   newPath->setOpsitePath(this);
   if (bSpecialExit)
     newPath->setSpecialCmd(specialCmd);
 }
 
 directionTyp CMapPath::generatePath()
 {
     tempPathCords.clear();
 
     QPoint start = getLowPos();
         QPoint end = getHighPos();
 
         directionTyp destDir = getDestDir();
 
     QPoint indent1 = getIndent(getSrcDir(),start);
 
     QPoint indent2 = getIndent(destDir,end);
 
     tempPathCords.append(start);
     tempPathCords.append(indent1);
 
     for( PointList::Iterator point = bendList.begin(); point != bendList.end(); ++point )
     {
         tempPathCords.append(*point);
     }
 
     tempPathCords.append(indent2);
     tempPathCords.append(end);
 
     return destDir;
 }
 
 /** Used to draw the path */
 void CMapPath::drawPath(QPainter *p,CMapZone *zone,QPoint offset,QColor color,int editBox,QPoint editPos)
 {
     directionTyp tempDestDir = generatePath();
 
     p->setPen(color);
     p->setBrush(color);
 
     // If the path has not already been then draw it
     if (!getDone())
     {
         if (tempPathCords.count()>1)
         {
             QPoint temp = tempPathCords.at(1);
 
             int count = 0;
 
             for( PointList::Iterator point = tempPathCords.begin(); point != tempPathCords.end(); ++point )
             {
                 
                 if (editBox > 0 && count==editBox + 1)
                 {
                     p->drawLine(temp + offset,editPos + offset);
                 }
                 else if (editBox > 0 && count==editBox + 2)
                 {
                     p->drawLine(editPos + offset,(*point) + offset);
                 }
                 else
                 {
                     if (editBox == 0 && m_dontPaintBend == 0)
                     {
                         p->drawLine(temp + offset,(*point) + offset);
                     }
                     else
                     {
                         if (count != m_dontPaintBend+1 && count != m_dontPaintBend + 2)
                         {
                             p->drawLine(temp + offset,(*point) + offset);
                         }
                     }
                 }
                 temp = *point;
                 count++;
             }
         }
 
         if (getEditMode())
         {
             int count = 0;
             p->setPen(getManager()->getMapData()->editColor);
             p->setBrush(getManager()->getMapData()->editColor);
             for( PointList::Iterator point = tempPathCords.begin(); point != tempPathCords.end(); ++point )
             {
                 if (count>1 && count < (int)tempPathCords.count()-2)
                 {
                     if (editBox > 0 && count==editBox + 2)
                     {
                         p->drawRect(editPos.x()-3,editPos.y()-3,6,6);
                     }
                     else
                     {
                         if (editBox == 0 && m_dontPaintBend == 0)
                         {
                             p->drawRect((*point).x()-3,(*point).y()-3,6,6);
                         }
                         else
                         {
                             if (count != m_dontPaintBend+1)
                             {
                                 p->drawRect((*point).x()-3,(*point).y()-3,6,6); 
                             }
                         }
                     }
                 }
                 count ++;
             }
         }
 
     }
 
     p->setPen(color);
     p->setBrush(color);
 
     // Draw the arrow head of the path
     drawArrow(tempDestDir,p,tempPathCords.last() + offset);
 
     if (getDestRoom()->getZone()!=zone)
     {
         if (getOpsitePath())
             drawArrow(getSrcDir(),p,tempPathCords.first() + offset);
     }
 
     // Mark this path and the opsite (two way path) as having been drawn
     setDone(true);
 
     if (getOpsitePath())
     {
         getOpsitePath()->setDone(true);
     }
 }
 
 
 
 /** Used to paint the element at a given location and size
   * @param p The painter to paint the element to
   * @param pos The position to paint the elmenet
   * @param size The size the element should be draw
   * @param zone The current zone being viewed */
 void CMapPath::paintElementResize(QPainter *p,QPoint,QSize,CMapZone *zone)
 {
     if (srcDir == UP || srcDir == DOWN || destDir == UP || destDir == DOWN || srcDir==SPECIAL || destDir==SPECIAL) return;
 
     // Get start and end points of the path
     drawPath(p,zone,QPoint(0,0),getManager()->getMapData()->defaultPathColor);
 
     if (getSelected())
     {
         p->setPen(getManager()->getMapData()->selectedColor);
         p->setBrush(getManager()->getMapData()->selectedColor);
         p->drawRect(tempPathCords.first().x()-3,tempPathCords.first().y()-3,6,6);
         p->drawRect(tempPathCords.last().x()-3,tempPathCords.last().y()-3,6,6);
     }
 }
 
 /** Used to find out if the mouse is in the element */
 bool CMapPath::mouseInElement(QPoint mousePos)
 {
     if (srcDir == UP || srcDir == DOWN || srcDir==SPECIAL) return false;
 
     //FIXME_jp: Handle zone paths that have been termintated
     generatePath();
 
     if (tempPathCords.count()>1)
     {
         QPoint temp = tempPathCords.at(1);
 
         for( PointList::Iterator point = tempPathCords.begin(); point != tempPathCords.end(); ++point )
         {       
             QPoint pos1 = temp;
             QPoint pos2 = *point;
 
             QRect rect = getBoundRectOfSeg(pos1,pos2);
 
             QRegion region(rect,QRegion::Rectangle);
 
             if (region.contains(mousePos))
             {
                 int distance = getDistance(mousePos.x(),mousePos.y(),pos1.x(),pos2.x(),pos1.y(),pos2.y());
 
                 return (distance <= 5);
             }
 
             temp = *point;
         }
     }
     return false;
 }
 
 QRect CMapPath::getBoundRectOfSeg(QPoint pos1,QPoint pos2)
 {
     QRect rect;
 
     if (pos1.x() == pos2.x())
     {
         pos1.setX(pos1.x()-5);
         pos2.setX(pos2.x()+5);
     }
 
     if (pos1.y() == pos2.y()){
 
         pos1.setY(pos1.y()-5);
         pos2.setY(pos2.y()+5);
     }
 
     if (pos1.y()>pos2.y())
     {
         rect.setBottom(pos1.y());
         rect.setTop(pos2.y());
     }
     else
     {
         rect.setTop(pos1.y());
         rect.setBottom(pos2.y());
     }
 
     if (pos1.x()>pos2.x())
     {
         rect.setRight(pos1.x());
         rect.setLeft(pos2.x());
     }
     else
     {
         rect.setLeft(pos1.x());
         rect.setRight(pos2.x());
     }
 
 
     return rect;
 }
 
 void CMapPath::paint(QPainter *p,CMapZone *zone)
 {
     if (srcDir == UP || srcDir == DOWN || destDir == UP || destDir == DOWN || srcDir==SPECIAL || destDir==SPECIAL) return;
 
     CMapElement::paint(p,zone);
 }
 
 void CMapPath::resizePaint(QPoint,QPainter *,CMapZone *,int)
 {
 }
 
 void CMapPath::editPaint(QPoint pos,QPainter *p,CMapZone *zone,int editBox)
 {   
     if (srcDir == UP || srcDir == DOWN || destDir == UP || destDir == DOWN || srcDir==SPECIAL || destDir==SPECIAL) return;  
 
     setDone(false);
     drawPath(p,zone,QPoint (0,0),getManager()->getMapData()->defaultPathColor,editBox,pos);
 }
 
 
 void CMapPath::dragPaint(QPoint offset,QPainter *p,CMapZone *zone)
 {
     if (srcDir == UP || srcDir == DOWN || destDir == UP || destDir == DOWN || srcDir==SPECIAL || destDir==SPECIAL) return;
 
     if (getSrcRoom()->getSelected() && getDestRoom()->getSelected())
     {
         drawPath(p,zone,offset,getManager()->getMapData()->defaultPathColor);
     }
 }
 
 void CMapPath::lowerPaint(QPainter *p,CMapZone *zone)
 {
     if (srcDir == UP || srcDir == DOWN || destDir == UP || destDir == DOWN || srcDir==SPECIAL || destDir==SPECIAL) return;
 
     // Get start and end points of the path
     drawPath(p,zone,QPoint(-5,-5),getManager()->getMapData()->lowerPathColor);
 }
 
 void CMapPath::higherPaint(QPainter *p,CMapZone *zone)
 {
     if (srcDir == UP || srcDir == DOWN || destDir == UP || destDir == DOWN || srcDir==SPECIAL || destDir==SPECIAL) return;
 
     // Get start and end points of the path
     drawPath(p,zone,QPoint(5,5),getManager()->getMapData()->higherPathColor);
 }
 
 /** Used to create a deep copy of the path */
 CMapElement *CMapPath::copy(void)
 {
     CMapPath *path = new CMapPath(getManager(),getSrcRoom(),getSrcDir(),getDestRoom(),getDestDir(),getOpsitePath());
 
     path->setAfterCommand(getAfterCommand());
     path->setBeforeCommand(getBeforeCommand());
     path->setSpecialCmd(getSpecialCmd());
     path->setSpecialExit(getSpecialExit());
 
     for( PointList::Iterator bend = bendList.begin(); bend != bendList.end(); ++bend )
     {
         path->addBend(*bend);
     }
 
     return path;
 }
 
 /** Used to add a bend to the path */
 int CMapPath::addBend(QPoint pos)
 {
     if (bendList.contains(pos))
         return -1;
 
     if (bendList.count()==0)
     {
         bendList.append(pos);
         return bendList.count()-1;
     }
     else
     {
         int x1 = getX();
         int y1 = getY();
         int x2 = getHighX();
         int y2 = getHighY();
 
         QPoint pos1 = getIndent(getSrcDir(),QPoint (x1,y1));
 
         x1=pos1.x(),y1=pos1.y();
         int count = 0;
 
         for( PointList::Iterator point = bendList.begin(); point != bendList.end(); ++point )
         {
             x2 = (*point).x();
             y2 = (*point).y();
             if (x1 == x2)
             {
                 x1-=3;
                 x2+=3;
             }
 
             if (y1 == y2)           
             {
                 y1-=3;
                 y2+=3;
             }
 
             int x1_1 = x1 < x2 ? x1 : x2;
             int y1_1 = y1 < y2 ? y1 : y2;
             int x2_1 = x1 >= x2 ? x1 : x2;
             int y2_1 = y1 >= y2 ? y1 : y2;
 
             QRegion r(x1_1,y1_1,x2_1-x1_1,y2_1-y1_1);
 
             if (r.contains(pos))
             {
                 bendList.insert(count, pos);
                 return count;
             }
             x1 = (*point).x();
             y1 = (*point).y();
             count++;
         }
         bendList.append(pos);
         return bendList.count()-1;
     }
 }
 
 /** Used to add a bend to the path */
 void CMapPath::addBendWithUndo(QPoint pos)
 {
     if (bendList.contains(pos))
         return;
 
     CMapCmdElementProperties *cmdAddBend = new CMapCmdElementProperties(getManager(),i18n("Add Bend"),this);
     cmdAddBend->getNewProperties().writeEntry("AddBend",pos);
     cmdAddBend->getOrgProperties().writeEntry("DelBend",pos);
     getManager()->addCommand(cmdAddBend);
 }
 
 /** Used to move a bend to a new position */
 void CMapPath::moveBendWithUndo(int bend, QPoint pos)
 {
     if (bend>0 && bend-1 < (int)bendList.count())
     {
         QPoint oldPos = bendList.at(bend-1);
         CMapCmdElementProperties *cmdMoveBend = new CMapCmdElementProperties(getManager(),i18n("Move Bend"),this);
         cmdMoveBend->getNewProperties().writeEntry("MoveBendPos",pos);
         cmdMoveBend->getNewProperties().writeEntry("MoveBendBend",bend);
         cmdMoveBend->getOrgProperties().writeEntry("MoveBendPos",oldPos);   
         cmdMoveBend->getOrgProperties().writeEntry("MoveBendBend",bend);
         getManager()->addCommand(cmdMoveBend);
     }
 }
 
 /** This method is used to delete bends from a path
   * @param seg The path segment number to delete */
 void CMapPath::deletePathSegWithUndo(int seg)
 {
     QPoint bend = deletePathSeg(seg);
 
     CMapCmdElementProperties *cmdDeleteBend = new CMapCmdElementProperties(getManager(),i18n("Delete Path Segment"),this);
     cmdDeleteBend->getNewProperties().writeEntry("DelBend",bend);
     cmdDeleteBend->getOrgProperties().writeEntry("AddBend",bend);
     getManager()->addCommand(cmdDeleteBend);
 }
 
 void CMapPath::deleteBend(QPoint bend)
 {
     bendList.removeAll(bend);
 }
 
 /** Used to load the properties of the element from a list of properties */
 void CMapPath::loadProperties(KConfigGroup grp)
 {
     CMapElement::loadProperties(grp);
 
     setAfterCommand(grp.readEntry("SrcAfterCommand",getAfterCommand()));
     setBeforeCommand(grp.readEntry("SrcBeforeCommand",getBeforeCommand()));
     setSpecialCmd(grp.readEntry("SpecialCmdSrc",getSpecialCmd()));
     setSpecialExit(grp.readEntry("SpecialExit",getSpecialExit()));
     setSrcDir((directionTyp)grp.readEntry("SrcDir",(int)getSrcDir()));
     setDestDir((directionTyp)grp.readEntry("DestDir",(int)getDestDir()));
     setCords();
 
         if (grp.readEntry("PathTwoWay", getOpsitePath() != nullptr))
           makeTwoWay();
         else
           makeOneWay();
 
         CMapPath *opposite = getOpsitePath();
     if (opposite)
     {
         opposite->setAfterCommand(grp.readEntry("DestAfterCommand",opposite->getAfterCommand()));
         opposite->setBeforeCommand(grp.readEntry("DestBeforeCommand",opposite->getBeforeCommand()));
         opposite->setSrcDir((directionTyp)grp.readEntry("DestDir",(int)opposite->getSrcDir()));
         opposite->setDestDir((directionTyp)grp.readEntry("SrcDir",(int)opposite->getDestDir()));
         opposite->setSpecialCmd(grp.readEntry("SpecialCmdDest",opposite->getSpecialCmd()));
         opposite->setSpecialExit(grp.readEntry("SpecialExit",opposite->getSpecialExit()));
         opposite->setCords();
     }
 
     if (grp.hasKey("AddBend"))
     {
         QPoint bend(0,0);
         bend = grp.readEntry("AddBend",bend);
         addBend(bend);
     }
 
     if (grp.hasKey("DelBend"))
     {
         QPoint bend(0,0);
         bend = grp.readEntry("DelBend",bend);
         deleteBend(bend);
     }
 
     if (grp.hasKey("MoveBendBend"))
     {
         QPoint pos(0,0);
         pos = grp.readEntry("MoveBendPos",pos);
         int bend = grp.readEntry("MoveBendBend",-1);
         moveBend(bend,pos);
     }
 
     if (grp.hasKey("DeletePathSeg"))
     {
         int seg = grp.readEntry("DeletePathSeg", 0);
         deletePathSeg(seg);
     }
 }
 
 /** Used to save the properties of the element to a list of properties */
 void CMapPath::saveProperties(KConfigGroup grp)
 {
     // FIXME_jp : Make sure twoway paths are handled correctly
     CMapElement::saveProperties(grp);
 
     grp.writeEntry("SrcAfterCommand",getAfterCommand());
     grp.writeEntry("SrcBeforeCommand",getBeforeCommand());
     grp.writeEntry("SpecialCmdSrc",getSpecialCmd());
     grp.writeEntry("SpecialExit",getSpecialExit());
     grp.writeEntry("SrcDir",(int)getSrcDir());
     grp.writeEntry("DestDir",(int)getDestDir());    
     grp.writeEntry("SrcRoom",getSrcRoom()->getRoomID());
     grp.writeEntry("SrcZone",getSrcRoom()->getZone()->getZoneID());
     grp.writeEntry("SrcLevel",getSrcRoom()->getLevel()->getLevelID());
     grp.writeEntry("DestRoom",getDestRoom()->getRoomID());
     grp.writeEntry("DestZone",getDestRoom()->getZone()->getZoneID());
     grp.writeEntry("DestLevel",getDestRoom()->getLevel()->getLevelID());
 
     if (getOpsitePath())
     {
         grp.writeEntry("PathTwoWay",true);
         grp.writeEntry("DestAfterCommand",getOpsitePath()->getAfterCommand());
         grp.writeEntry("DestBeforeCommand",getOpsitePath()->getBeforeCommand());
         grp.writeEntry("SpecialCmdDest",getOpsitePath()->getSpecialCmd());
     }
     else
     {
         grp.writeEntry("PathTwoWay",false);
     }
 }
 
 /** Used to save the element as an XML object
   * @param properties The XML object to save the properties too 
   * @param doc The XML Document */  
 void CMapPath::saveQDomElement(QDomDocument *doc,QDomElement *properties)
 {
     CMapElement::saveQDomElement(doc,properties);
 
     properties->setAttribute("AfterCommand",getAfterCommand());
     properties->setAttribute("BeforeCommand",getBeforeCommand());
     properties->setAttribute("SpecialCmd",getSpecialCmd());
     writeBool(properties,"SpecialExit",getSpecialExit());
     writeInt(doc,properties,"SrcDir",(int)getSrcDir());
     writeInt(doc,properties,"DestDir",(int)getDestDir());
     writeInt(doc,properties,"SrcRoom",getSrcRoom()->getRoomID());
     writeInt(doc,properties,"SrcZone",getSrcRoom()->getZone()->getZoneID());
     writeInt(doc,properties,"SrcLevel",getSrcRoom()->getLevel()->getLevelID());
     writeInt(doc,properties,"DestRoom",getDestRoom()->getRoomID());
     writeInt(doc,properties,"DestZone",getDestRoom()->getZone()->getZoneID());
     writeInt(doc,properties,"DestLevel",getDestRoom()->getLevel()->getLevelID());
 
     QDomElement bendsNode = doc->createElement ("bends");
     properties->appendChild(bendsNode);
 
     for( PointList::Iterator bend = bendList.begin(); bend != bendList.end(); ++bend )
     {
         QDomElement bendNode = doc->createElement ("bend");
        
         writeInt(doc,&bendNode,"X",(*bend).x());
         writeInt(doc,&bendNode,"Y",(*bend).y());        
         bendsNode.appendChild(bendNode);
     }
 }
 
 /** Used to load the properties from a XML object
   * @param properties The XML object to load the properties from */
 void CMapPath::loadQDomElement(QDomElement *properties)
 {
     CMapElement::loadQDomElement(properties);
     setAfterCommand(properties->attribute("AfterCommand",getAfterCommand()));
     setBeforeCommand(properties->attribute("BeforeCommand",getAfterCommand()));
     setSpecialCmd(properties->attribute("SpecialCmd",getSpecialCmd()));
     setSpecialExit(readBool(properties,"SpecialExit",getSpecialExit()));
 
     QDomNode n = properties->namedItem("bends");
     if (!n.isNull())
     {
         QDomElement bendsNode = n.toElement();
         if (!bendsNode.isNull() )
         {
             QDomNode n1 = bendsNode.firstChild();
             while (!n1.isNull() )
             {
                 QDomElement bendNode = n1.toElement();
 
                 if (!bendNode.isNull() )
                 {
                     int x=readInt(&bendNode,"X",-1);
                     int y=readInt(&bendNode,"X",-1);
 
                     if (x!=-1 && y!=-1)
                     {
                         addBend(QPoint(x,y));
                     }
                 }
 
                 n1 = n1.nextSibling();
             }
         }
     }
 
     //TODO_jp : write path bends
 
 }
 
 void CMapPath::moveBy(QPoint offset)
 {
     if (getSrcRoom()->getSelected() && getDestRoom()->getSelected())
     {
         
         for( PointList::Iterator point = bendList.begin(); point != bendList.end(); ++point )
         {
             (*point)+=offset;
         }
     }
 }
 
 /** This method is used to calculate the positions of the resize handles */
 void CMapPath::generateResizePositions(void)
 {
     resizePos.clear();
     resizePos.append(QRect(tempPathCords.first().x()-3,tempPathCords.first().y()-3,7,7));
     resizePos.append(QRect(tempPathCords.last().x()-3,tempPathCords.last().y()-3,7,7));
 
 }
 
 /** Used to find out if the mouse is in the resize box
   * @param mousePos The position of the mouse pointer
   * @param currentZone A pointer to the current zone
   * @return the ID of the resize box, or 0 if not in any */
 int CMapPath::mouseInResize(QPoint ,CMapZone *)
 {
     return 0;
 }
 
 /** Used to find out if the mosuse is in the edit box of the path
   * @param mousePos The position of the mouse pointer
   * @param currentZone A pointer to the current zone
   * @return the ID of the edit box, or 0 if not in any */
 int CMapPath::mouseInEditBox(QPoint mousePos ,CMapZone *)
 {
     if (getEditMode())
     {
         int count = 1;
         for( PointList::Iterator point = bendList.begin(); point != bendList.end(); ++point )
         {
             QRegion r((*point).x()-3,(*point).y()-3,6,6);
             if (r.contains(mousePos))
             {
                 return count;
             }
             count ++;
         }
     }
 
     return 0;
 }
 
 /** Used to move a bend to a new position */
 void CMapPath::moveBend(int bend, QPoint pos)
 {
     if (bend>0 && bend-1 < (int)bendList.count())
     {
         bendList.replace(bend-1, pos);
         getManager()->changedElement(this);
     }
 }
 
 /** This method is used to delete bends from a path
   * @param seg The path segment number to delete */
 QPoint CMapPath::deletePathSeg(int seg)
 {   
   QPoint deletedPos;
 
   for( PointList::Iterator point = bendList.begin(); point != bendList.end(); ++point )
   {
     kDebug() << "Bend : " << (*point).x() << "," << (*point).y();   
   }
 
   if (seg > (int) bendList.count()) seg = bendList.count();
   deletedPos = bendList.at(seg - 1);
   return deletedPos;
 }
 
 /**
  * This method is used to find out if the mouse pointer is in a path segment.
  * @param mousePos The position of the mouse
  * @param currentZone The current zone being viewed
  * @return 0 if not in any segament, otherwise return the number of the segment
  */
 int CMapPath::mouseInPathSeg(QPoint mousePos,CMapZone *currentZone)
 {
     // Is this a inter zone path
     if (getSrcRoom()->getZone()!=currentZone || getDestRoom()->getZone()!=currentZone)
         return -1;
 
     if (bendList.count()==0)
         return -1;
 
     int count = 0;
     int x1=tempPathCords.first().x(),y1=tempPathCords.first().y(),x2,y2;
 
     for( PointList::Iterator point = tempPathCords.begin(); point != tempPathCords.end(); ++point )
     {
         x2 = (*point).x();
         y2 = (*point).y();
 
         if (count > 1 && count < (int)tempPathCords.count()-1)
         {
             int startx = x1-5;
             int endx = x2+5;
             int starty = y1-5;
             int endy = y2+5;
     
             QRegion r(startx,starty,endx-startx,endy-starty);
 
             if (r.contains(mousePos))
             {
 
                 int d = getDistance (mousePos.x(),mousePos.y(),startx,endx,starty,endy);
 
                 if (d<=5)
                 {
                     return count -1;
                 }
             }
         }
 
         count++;
 
         x1 = x2;
         y1 = y2;
     }
 
     return -1;
 }