/* $Id$
This file is part of the MSP Märklin suite
-Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
+Copyright © 2006-2010 Mikkosoft Productions, Mikko Rasa
Distributed under the GPL
*/
#include <cmath>
+#include "driver.h"
+#include "layout.h"
#include "track.h"
#include "tracktype.h"
namespace Marklin {
-Track::Track(const TrackType &t):
+Track::Track(Layout &l, const TrackType &t):
+ layout(l),
type(t),
rot(0),
slope(0),
flex(false),
turnout_id(0),
sensor_id(0),
- links(t.get_endpoints().size())
-{ }
+ links(t.get_endpoints().size()),
+ active_path(0)
+{
+ layout.add_track(*this);
+
+ if(layout.has_driver())
+ layout.get_driver().signal_turnout.connect(sigc::mem_fun(this, &Track::turnout_event));
+
+ for(unsigned paths = type.get_paths(); !(paths&1); ++active_path, paths>>=1) ;
+}
Track::~Track()
{
break_links();
+ layout.remove_track(*this);
}
void Track::set_position(const Point &p)
void Track::set_slope(float s)
{
- if(links.size()!=2) return;
+ if(links.size()!=2)
+ return;
slope = s;
}
void Track::set_turnout_id(unsigned i)
{
+ if(!type.is_turnout())
+ throw InvalidState("Not a turnout");
+
turnout_id = i;
+ layout.create_blocks(*this);
+ if(layout.has_driver() && turnout_id)
+ {
+ layout.get_driver().add_turnout(turnout_id);
+ if(type.is_double_address())
+ layout.get_driver().add_turnout(turnout_id+1);
+ }
}
void Track::set_sensor_id(unsigned i)
{
+ if(type.is_turnout())
+ throw InvalidState("Can't set sensor on a turnout");
+
sensor_id = i;
+ layout.create_blocks(*this);
+ if(layout.has_driver() && sensor_id)
+ layout.get_driver().add_sensor(sensor_id);
+}
+
+void Track::set_active_path(unsigned p)
+{
+ if(!turnout_id)
+ throw InvalidState("Not a turnout");
+ if(!(type.get_paths()&(1<<p)))
+ throw InvalidParameterValue("Invalid path");
+
+ layout.get_driver().set_turnout(turnout_id, p&1);
+ if(type.get_n_paths()>2)
+ layout.get_driver().set_turnout(turnout_id+1, p&2);
}
int Track::get_endpoint_by_link(const Track &other) const
break_link(*links[i]);
links[i] = &other;
other.links[j] = this;
+ layout.create_blocks(*this);
}
return true;
{
*i = 0;
trk.break_link(*this);
+ // XXX Creates the blocks twice
+ layout.create_blocks(*this);
return;
}
}
throw Exception("Track endpoint did not have a counterpart");
}
-Point Track::get_point(unsigned epi, unsigned path, float d) const
+TrackPoint Track::get_point(unsigned epi, unsigned path, float d) const
{
- const vector<Endpoint> &eps = type.get_endpoints();
- if(epi>=eps.size())
- throw InvalidParameterValue("Endpoint index out of range");
+ TrackPoint p = type.get_point(epi, path, d);
+ float c = cos(rot);
+ float s = sin(rot);
- float x = eps[epi].pos.x;
- float y = eps[epi].pos.y;
- float z = 0;
- float slope_norm = 0;
- if(eps.size()==2)
+ p.pos = Point(pos.x+c*p.pos.x-s*p.pos.y, pos.y+s*p.pos.x+c*p.pos.y, 0);
+ p.dir += rot;
+ if(type.get_endpoints().size()==2)
{
- slope_norm = slope/type.get_total_length();
- if(epi==1)
+ float len = type.get_path_length(path);
+ float grade = slope/len;
+ if(epi==0)
{
- z = slope;
- slope_norm = -slope_norm;
+ p.pos.z = pos.z+grade*d;
+ p.grade = grade;
}
- }
-
- 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)
+ else
{
- if((eps[epi].paths&(1<<path)) && i->path!=path)
- 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)
- {
- z += d*slope_norm;
- 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, pos.z+z);
- }
- else if(part_eps.size()>1)
- {
- d -= plen;
- x = part_eps[1-j].pos.x;
- y = part_eps[1-j].pos.y;
- z += plen*slope_norm;
- last_part = &*i;
- i = parts.begin();
- break;
- }
- else
- return pos;
- }
- }
+ p.pos.z = pos.z+slope-grade*d;
+ p.grade = -grade;
}
-
- if(!last_part)
- throw Exception("Internal error (Endpoint does not match any part)");
- else
- return pos;
}
+
+ return p;
}
-Track *Track::copy() const
+TrackPoint Track::get_point(unsigned epi, float d) const
{
- Track *trk = new Track(type);
- trk->set_position(pos);
- trk->set_rotation(rot);
- trk->set_slope(slope);
- trk->set_flex(flex);
-
- return trk;
+ return get_point(epi, active_path, d);
}
void Track::save(list<DataFile::Statement> &st) const
st.push_back((DataFile::Statement("flex"), true));
}
+void Track::turnout_event(unsigned addr, bool state)
+{
+ if(!turnout_id)
+ return;
+
+ if(addr==turnout_id)
+ active_path = (active_path&2) | (state ? 1 : 0);
+ else if(type.is_double_address() && addr==turnout_id+1)
+ active_path = (active_path&1) | (state ? 2 : 0);
+}
+
Track::Loader::Loader(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("turnout_id", &Loader::turnout_id);
+ add("sensor_id", &Loader::sensor_id);
add("flex", &Track::flex);
}
obj.pos = Point(x, y, z);
}
+void Track::Loader::sensor_id(unsigned id)
+{
+ obj.set_sensor_id(id);
+}
+
+void Track::Loader::turnout_id(unsigned id)
+{
+ obj.set_turnout_id(id);
+}
+
} // namespace Marklin
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