]> git.tdb.fi Git - r2c2.git/blobdiff - source/libmarklin/track.cpp
Code reformatting:
[r2c2.git] / source / libmarklin / track.cpp
index 61f0d350e60f31e6af3ef0e432c23970dcaeece5..73674ee8c39f340cf7665e153ff3908544a33b29 100644 (file)
@@ -1,7 +1,7 @@
 /* $Id$
 
 This file is part of the MSP Märklin suite
-Copyright © 2006-2008 Mikkosoft Productions, Mikko Rasa
+Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
 Distributed under the GPL
 */
 
@@ -12,8 +12,6 @@ Distributed under the GPL
 using namespace std;
 using namespace Msp;
 
-#include <iostream>
-
 namespace Marklin {
 
 Track::Track(const TrackType &t):
@@ -57,6 +55,34 @@ void Track::set_flex(bool f)
        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;
@@ -87,7 +113,7 @@ Point Track::get_endpoint_position(unsigned epi) const
        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;
@@ -125,7 +151,7 @@ bool Track::snap_to(Track &other, bool link)
                        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)
                                {
@@ -192,34 +218,6 @@ Track *Track::get_link(unsigned i) const
        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();
@@ -246,6 +244,68 @@ int Track::traverse(unsigned i, unsigned route) const
        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);
@@ -257,24 +317,34 @@ Track *Track::copy() const
        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