/* $Id$
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 <algorithm>
-#include "control.h"
#include "block.h"
+#include "layout.h"
+#include "route.h"
+#include "trackiter.h"
#include "tracktype.h"
-#include "trafficmanager.h"
-#include "turnout.h"
using namespace std;
using namespace Msp;
namespace Marklin {
-Block::Block(TrafficManager &tm, Track &start):
- trfc_mgr(tm),
+Block::Block(Layout &l, Track &start):
+ layout(l),
id(0),
sensor_id(start.get_sensor_id()),
turnout_id(start.get_turnout_id()),
train(0)
{
tracks.insert(&start);
+ start.set_block(this);
list<Track *> queue;
queue.push_back(&start);
{
queue.push_back(links[i]);
tracks.insert(links[i]);
+ links[i]->set_block(this);
}
else
endpoints.push_back(Endpoint(track, i));
}
}
- if(sensor_id)
- id = 0x1000|sensor_id;
- else if(turnout_id)
- id = 0x2000|turnout_id;
+ determine_id();
for(unsigned i=0; i<endpoints.size(); ++i)
{
unsigned path = 1<<i;
endpoints[i].paths |= path;
- set<Track *> visited;
- find_paths(*endpoints[i].track, endpoints[i].track_ep, path, visited);
+ find_paths(TrackIter(endpoints[i].track, endpoints[i].track_ep), path);
}
+
+ layout.add_block(*this);
+}
+
+Block::~Block()
+{
+ set<Track *> trks = tracks;
+ tracks.clear();
+ for(set<Track *>::iterator i=trks.begin(); i!=trks.end(); ++i)
+ (*i)->set_block(0);
+
+ for(vector<Endpoint>::iterator i=endpoints.begin(); i!=endpoints.end(); ++i)
+ if(Block *blk = i->link)
+ {
+ i->link = 0;
+ blk->break_link(*this);
+ }
+
+ layout.remove_block(*this);
+}
+
+bool Block::has_track(Track &t) const
+{
+ return tracks.count(&t);
}
-int Block::get_endpoint_by_link(const Block &other) const
+const Block::Endpoint &Block::get_endpoint(unsigned i) const
+{
+ if(i>=endpoints.size())
+ throw InvalidParameterValue("Endpoint index out of range");
+
+ return endpoints[i];
+}
+
+int Block::get_endpoint_by_link(Block &other) const
{
for(unsigned i=0; i<endpoints.size(); ++i)
if(endpoints[i].link==&other)
return -1;
}
-unsigned Block::traverse(unsigned epi, float *len) const
+float Block::get_path_length(unsigned entry, const Route *route) const
{
- if(epi>=endpoints.size())
+ if(entry>=endpoints.size())
throw InvalidParameterValue("Endpoint index out of range");
- const Endpoint &ep = endpoints[epi];
- Track *track = ep.track;
- unsigned track_ep = ep.track_ep;
+ TrackIter t_iter(endpoints[entry].track, endpoints[entry].track_ep);
- if(len)
- *len = 0;
-
- while(1)
+ float result = 0;
+ while(t_iter && has_track(*t_iter))
{
- unsigned cur_path = 0;
- unsigned tid = track->get_turnout_id();
- if(tid)
- {
- Turnout &turnout = trfc_mgr.get_control().get_turnout(tid);
- cur_path = turnout.get_path();
- }
-
- if(len)
- *len += track->get_type().get_path_length(cur_path);
+ unsigned path = (route ? route->get_path(*t_iter) : t_iter->get_active_path());
+ result += t_iter->get_type().get_path_length(path);
- unsigned other_ep = track->traverse(track_ep, cur_path);
- for(unsigned i=0; i<endpoints.size(); ++i)
- if(endpoints[i].track==track && endpoints[i].track_ep==static_cast<unsigned>(other_ep))
- return i;
-
- Track *next = track->get_link(other_ep);
- if(!tracks.count(next))
- throw LogicError("Block traversal strayed out of the block");
- track_ep = next->get_endpoint_by_link(*track);
- track = next;
+ t_iter = t_iter.next(path);
}
+
+ return result;
}
void Block::check_link(Block &other)
{
i->link = &other;
j->link = this;
+
+ determine_id();
+ other.determine_id();
}
}
+}
- if(!sensor_id && !turnout_id && endpoints.size()==2)
- {
- unsigned id1 = endpoints[0].link ? endpoints[0].link->get_id() : 1;
- unsigned id2 = endpoints[1].link ? endpoints[1].link->get_id() : 1;
- if(id2<id1)
- swap(id1, id2);
- id = (id1<<16)|id2;
- }
+void Block::break_link(Block &other)
+{
+ for(vector<Endpoint>::iterator i=endpoints.begin(); i!=endpoints.end(); ++i)
+ if(i->link==&other)
+ {
+ i->link = 0;
+ other.break_link(*this);
+ determine_id();
+ }
}
Block *Block::get_link(unsigned epi) const
return endpoints[epi].link;
}
-bool Block::reserve(const Train *t)
+bool Block::reserve(Train *t)
{
if(!t || !train)
{
train = t;
- trfc_mgr.signal_block_reserved.emit(*this, train);
+ layout.signal_block_reserved.emit(*this, train);
return true;
}
else
return false;
}
-void Block::find_paths(Track &track, unsigned track_ep, unsigned path, set<Track *> &visited)
+void Block::find_paths(TrackIter track, unsigned path)
{
- visited.insert(&track);
-
- const vector<Marklin::Endpoint> &eps = track.get_type().get_endpoints();
- for(unsigned i=0; i<eps.size(); ++i)
- {
- if(i==track_ep) continue;
- Track *link = track.get_link(i);
- if(!link) continue;
- if(visited.count(link)) continue;
- if(!(eps[i].paths&eps[track_ep].paths)) continue;
-
- if(tracks.count(link))
- find_paths(*link, link->get_endpoint_by_link(track), path, visited);
- else
+ unsigned mask = track.endpoint().paths;
+ for(unsigned i=0; mask>>i; ++i)
+ if(mask&(1<<i))
{
- for(vector<Endpoint>::iterator j=endpoints.begin(); j!=endpoints.end(); ++j)
- if(j->track==&track && j->track_ep==i)
- j->paths |= path;
+ TrackIter next = track.next(i);
+ if(!next)
+ continue;
+ else if(has_track(*next))
+ find_paths(track.next(i), path);
+ else
+ {
+ next = next.flip();
+ for(vector<Endpoint>::iterator j=endpoints.begin(); j!=endpoints.end(); ++j)
+ if(j->track==next.track() && j->track_ep==next.entry())
+ j->paths |= path;
+ }
}
+}
+
+void Block::determine_id()
+{
+ if(sensor_id)
+ id = 0x1000|sensor_id;
+ else if(turnout_id)
+ id = 0x2000|turnout_id;
+ else if(endpoints.size()==2)
+ {
+ unsigned id1 = endpoints[0].link ? endpoints[0].link->get_id() : 1;
+ unsigned id2 = endpoints[1].link ? endpoints[1].link->get_id() : 1;
+ if(id2<id1)
+ swap(id1, id2);
+ id = (id1<<16)|id2;
+ }
+ else if(endpoints.size()==1)
+ {
+ unsigned id1 = endpoints[0].link ? endpoints[0].link->get_id() : 1;
+ id = 0x10000 | id1;
}
}
projects / r2c2.git / blobdiff