]> git.tdb.fi Git - r2c2.git/blobdiff - source/libmarklin/track.cpp
Make LCD output selectable at runtime through an extra I/O pin
[r2c2.git] / source / libmarklin / track.cpp
index d2822f61efacbf92d1af2bccb9a531b533dadc37..fbe3f0a709ffe1d2030c37fccee15b78ac134095 100644 (file)
@@ -1,11 +1,15 @@
 /* $Id$
 
 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 "block.h"
+#include "catalogue.h"
+#include "driver.h"
+#include "layout.h"
 #include "track.h"
 #include "tracktype.h"
 
@@ -14,19 +18,48 @@ using namespace Msp;
 
 namespace Marklin {
 
-Track::Track(const TrackType &t):
+Track::Track(Layout &l, const TrackType &t):
+       layout(l),
        type(t),
+       block(0),
        rot(0),
        slope(0),
        flex(false),
-       turnout_id(0),
+       turnout_id(type.is_turnout() ? layout.allocate_turnout_id(type.is_double_address()) : 0),
        sensor_id(0),
-       links(t.get_endpoints().size())
-{ }
+       links(type.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_block(Block *b)
+{
+       if(b && !b->has_track(*this))
+               throw InvalidParameterValue("Track is not in the Block");
+       if(!b && block && block->has_track(*this))
+               throw InvalidState("Track is still in a Block");
+
+       block = b;
+}
+
+Block &Track::get_block() const
+{
+       if(!block)
+               throw InvalidState("No Block");
+
+       return *block;
 }
 
 void Track::set_position(const Point &p)
@@ -45,7 +78,8 @@ void Track::set_rotation(float r)
 
 void Track::set_slope(float s)
 {
-       if(links.size()!=2) return;
+       if(links.size()!=2)
+               return;
 
        slope = s;
 }
@@ -85,15 +119,46 @@ void Track::check_slope()
 
 void Track::set_turnout_id(unsigned i)
 {
+       if(!type.is_turnout())
+               throw InvalidState("Not a turnout");
+
        turnout_id = i;
+       layout.create_blocks(*this);
+       layout.update_routes();
+       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);
 }
 
-int Track::get_endpoint_by_link(const Track &other) const
+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.is_double_address())
+               layout.get_driver().set_turnout(turnout_id+1, p&2);
+       else if(type.get_n_paths()>2)
+               active_path = (active_path&1) | (p&2);
+}
+
+int Track::get_endpoint_by_link(Track &other) const
 {
        for(unsigned i=0; i<links.size(); ++i)
                if(links[i]==&other)
@@ -104,11 +169,11 @@ int Track::get_endpoint_by_link(const Track &other) const
 
 Point Track::get_endpoint_position(unsigned epi) const
 {
-       const vector<Endpoint> &eps = type.get_endpoints();
+       const vector<TrackType::Endpoint> &eps = type.get_endpoints();
        if(epi>=eps.size())
-               throw InvalidParameterValue("Endpoint index out of range");
+               throw InvalidParameterValue("TrackType::Endpoint index out of range");
 
-       const Endpoint &ep = eps[epi];
+       const TrackType::Endpoint &ep = eps[epi];
 
        float c = cos(rot);
        float s = sin(rot);
@@ -121,20 +186,27 @@ Point Track::get_endpoint_position(unsigned epi) const
 
 float Track::get_endpoint_direction(unsigned epi) const
 {
-       const vector<Endpoint> &eps = type.get_endpoints();
+       const vector<TrackType::Endpoint> &eps = type.get_endpoints();
        if(epi>=eps.size())
-               throw InvalidParameterValue("Endpoint index out of range");
+               throw InvalidParameterValue("TrackType::Endpoint index out of range");
 
-       const Endpoint &ep = eps[epi];
+       const TrackType::Endpoint &ep = eps[epi];
 
        return rot+ep.dir;
 }
 
-bool Track::snap_to(Track &other, bool link)
+bool Track::snap_to(Track &other, bool link, float limit)
 {
-       float limit = (link && !flex) ? 1e-6 : 1e-4;
-       const vector<Endpoint> &eps = type.get_endpoints();
-       const vector<Endpoint> &other_eps = other.get_type().get_endpoints();
+       if(!limit || link)
+       {
+               limit = layout.get_catalogue().get_gauge();
+               if(link && !flex && !other.get_flex())
+                       limit /= 10;
+       }
+       limit *= limit;
+
+       const vector<TrackType::Endpoint> &eps = type.get_endpoints();
+       const vector<TrackType::Endpoint> &other_eps = other.get_type().get_endpoints();
 
        for(unsigned i=0; i<eps.size(); ++i)
        {
@@ -148,15 +220,19 @@ bool Track::snap_to(Track &other, bool link)
                        Point epp2 = other.get_endpoint_position(j);
                        float dx = epp2.x-epp.x;
                        float dy = epp2.y-epp.y;
-                       if(dx*dx+dy*dy<limit)
+                       float dz = epp2.z-epp.z;
+                       if(dx*dx+dy*dy<limit && dz*dz<limit)
                        {
-                               set_rotation(other.rot+other_eps[j].dir-eps[i].dir+M_PI);
-                               Point p(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(eps.size()==2 && i==1)
-                                       p.z -= slope;
-                               set_position(p);
+                               if(!link || (!flex && !other.get_flex()))
+                               {
+                                       set_rotation(other.rot+other_eps[j].dir-eps[i].dir+M_PI);
+                                       Point p(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(eps.size()==2 && i==1)
+                                               p.z -= slope;
+                                       set_position(p);
+                               }
 
                                if(link)
                                {
@@ -164,6 +240,7 @@ bool Track::snap_to(Track &other, bool link)
                                                break_link(*links[i]);
                                        links[i] = &other;
                                        other.links[j] = this;
+                                       layout.create_blocks(*this);
                                }
 
                                return true;
@@ -176,7 +253,7 @@ bool Track::snap_to(Track &other, bool link)
 
 bool Track::snap(Point &pt, float &d) const
 {
-       const vector<Endpoint> &eps = type.get_endpoints();
+       const vector<TrackType::Endpoint> &eps = type.get_endpoints();
 
        for(unsigned i=0; i<eps.size(); ++i)
        {
@@ -201,6 +278,8 @@ void Track::break_link(Track &trk)
                {
                        *i = 0;
                        trk.break_link(*this);
+                       // XXX Creates the blocks twice
+                       layout.create_blocks(*this);
                        return;
                }
 }
@@ -223,103 +302,36 @@ Track *Track::get_link(unsigned i) const
        return links[i];
 }
 
-int Track::traverse(unsigned i, unsigned path) const
-{
-       const vector<Endpoint> &eps = type.get_endpoints();
-       if(i>=eps.size())
-               throw InvalidParameterValue("Endpoint index out of range");
-
-       const Endpoint &ep = eps[i];
-       
-       if(ep.paths&(1<<path))
-       {
-               // Find the other endpoint for this path
-               for(unsigned j=0; j<eps.size(); ++j)
-                       if((eps[j].paths&(1<<path)) && j!=i)
-                               return j;
-       }
-       else
-       {
-               // Find an endpoint that's connected to this one and has the requested path
-               for(unsigned j=0; j<eps.size(); ++j)
-                       if((eps[j].paths&(1<<path)) && (eps[j].paths&ep.paths))
-                               return j;
-       }
-
-       return -1;
-}
-
-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");
-
-       float x = eps[epi].pos.x;
-       float y = eps[epi].pos.y;
+       TrackPoint p = type.get_point(epi, path, d);
+       float c = cos(rot);
+       float s = sin(rot);
 
-       const vector<TrackPart> &parts = type.get_parts();
-       const TrackPart *last_part = 0;
-       while(1)
+       p.pos = Point(pos.x+c*p.pos.x-s*p.pos.y, pos.y+s*p.pos.x+c*p.pos.y, pos.z);
+       p.dir += rot;
+       if(type.get_endpoints().size()==2)
        {
-               for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
+               float len = type.get_path_length(path);
+               float grade = slope/len;
+               if(epi==0)
                {
-                       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)
-                                       {
-                                               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;
-                               }
-                       }
+                       p.pos.z += grade*d;
+                       p.grade = grade;
                }
-
-               if(!last_part)
-                       throw Exception("Internal error (Endpoint does not match any part)");
                else
-                       return pos;
+               {
+                       p.pos.z += slope-grade*d;
+                       p.grade = -grade;
+               }
        }
+
+       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
@@ -335,6 +347,21 @@ 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);
+       else
+               return;
+
+       signal_path_changed.emit(active_path);
+}
+
 
 Track::Loader::Loader(Track &t):
        DataFile::BasicLoader<Track>(t)
@@ -342,8 +369,8 @@ Track::Loader::Loader(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);
 }
 
@@ -352,4 +379,14 @@ void Track::Loader::position(float x, float y, float z)
        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