+/* $Id$
+
+This file is part of the MSP Märklin suite
+Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
+Distributed under the GPL
+*/
+
#include <cmath>
#include "track.h"
#include "tracktype.h"
using namespace std;
using namespace Msp;
-#include <iostream>
-
namespace Marklin {
Track::Track(const TrackType &t):
flex=f;
}
+void Track::check_slope()
+{
+ if(links.size()!=2)
+ return;
+
+ if(links[0] && links[1])
+ {
+ Point epp0=links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
+ Point epp1=links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
+ pos.z=epp0.z;
+ slope=epp1.z-pos.z;
+ }
+ else
+ {
+ slope=0;
+ if(links[0])
+ {
+ Point epp=links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
+ pos.z=epp.z;
+ }
+ else if(links[1])
+ {
+ Point epp=links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
+ pos.z=epp.z;
+ }
+ }
+}
+
void Track::set_turnout_id(unsigned i)
{
turnout_id=i;
float c=cos(rot);
float s=sin(rot);
- Point p(pos.x+c*ep.x-s*ep.y, pos.y+s*ep.x+c*ep.y, pos.z);
+ Point p(pos.x+c*ep.pos.x-s*ep.pos.y, pos.y+s*ep.pos.x+c*ep.pos.y, pos.z);
if(eps.size()==2 && epi==1)
p.z+=slope;
return p;
if(dx*dx+dy*dy<limit)
{
set_rotation(other.rot+other_eps[j].dir-eps[i].dir+M_PI);
- set_position(Point(epp2.x-(eps[i].x*cos(rot)-eps[i].y*sin(rot)), epp2.y-(eps[i].y*cos(rot)+eps[i].x*sin(rot)), epp2.z));
+ set_position(Point(epp2.x-(eps[i].pos.x*cos(rot)-eps[i].pos.y*sin(rot)), epp2.y-(eps[i].pos.y*cos(rot)+eps[i].pos.x*sin(rot)), epp2.z));
if(link)
{
return links[i];
}
-void Track::check_slope()
-{
- if(links.size()!=2)
- return;
-
- if(links[0] && links[1])
- {
- Point epp0=links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
- Point epp1=links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
- pos.z=epp0.z;
- slope=epp1.z-pos.z;
- }
- else
- {
- slope=0;
- if(links[0])
- {
- Point epp=links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
- pos.z=epp.z;
- }
- else if(links[1])
- {
- Point epp=links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
- pos.z=epp.z;
- }
- }
-}
-
int Track::traverse(unsigned i, unsigned route) const
{
const vector<Endpoint> &eps=type.get_endpoints();
return -1;
}
+Point Track::get_point(unsigned epi, unsigned route, float d) const
+{
+ const vector<Endpoint> &eps=type.get_endpoints();
+ if(epi>=eps.size())
+ throw InvalidParameterValue("Endpoint index out of range");
+
+ float x=eps[epi].pos.x;
+ float y=eps[epi].pos.y;
+
+ const vector<TrackPart> &parts=type.get_parts();
+ const TrackPart *last_part=0;
+ while(1)
+ {
+ for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
+ {
+ if((eps[epi].routes&(1<<route)) && i->route!=route)
+ continue;
+ if(&*i==last_part)
+ continue;
+
+ vector<Endpoint> part_eps;
+ i->collect_endpoints(part_eps);
+ for(unsigned j=0; j<part_eps.size(); ++j)
+ {
+ float dx=part_eps[j].pos.x-x;
+ float dy=part_eps[j].pos.y-y;
+ if(dx*dx+dy*dy<1e-6)
+ {
+ float plen=i->length;
+ if(i->radius)
+ plen*=abs(i->radius);
+ if(d<plen)
+ {
+ if(j==1)
+ d=plen-d;
+ Point p=i->get_point(d);
+ float c=cos(rot);
+ float s=sin(rot);
+ return Point(pos.x+c*p.x-s*p.y, pos.y+c*p.y+s*p.x);
+ }
+ else if(part_eps.size()>1)
+ {
+ d-=plen;
+ x=part_eps[1-j].pos.x;
+ y=part_eps[1-j].pos.y;
+ last_part=&*i;
+ i=parts.begin();
+ break;
+ }
+ else
+ return pos;
+ }
+ }
+ }
+
+ if(!last_part)
+ throw Exception("Internal error (Endpoint does not match any part)");
+ else
+ return pos;
+ }
+}
+
Track *Track::copy() const
{
Track *trk=new Track(type);
return trk;
}
-/*******************
-** Track::Loader
-*/
+void Track::save(list<DataFile::Statement> &st) const
+{
+ st.push_back((DataFile::Statement("position"), pos.x, pos.y, pos.z));
+ st.push_back((DataFile::Statement("rotation"), rot));
+ st.push_back((DataFile::Statement("slope"), slope));
+ if(turnout_id)
+ st.push_back((DataFile::Statement("turnout_id"), turnout_id));
+ if(sensor_id)
+ st.push_back((DataFile::Statement("sensor_id"), sensor_id));
+ if(flex)
+ st.push_back((DataFile::Statement("flex"), true));
+}
+
Track::Loader::Loader(Track &t):
- track(t)
+ DataFile::BasicLoader<Track>(t)
{
- add("position", &Loader::position);
- add("rotation", &Track::rot);
- add("slope", &Track::slope);
- add("turnout_id", &Track::turnout_id);
- add("sensor_id", &Track::sensor_id);
- add("flex", &Track::flex);
+ add("position", &Loader::position);
+ add("rotation", &Track::rot);
+ add("slope", &Track::slope);
+ add("turnout_id", &Track::turnout_id);
+ add("sensor_id", &Track::sensor_id);
+ add("flex", &Track::flex);
}
void Track::Loader::position(float x, float y, float z)
{
- track.pos=Point(x, y, z);
+ obj.pos=Point(x, y, z);
}
} // namespace Marklin