X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Flayout.cpp;h=c0930352fb7d2b171f7279a55c0dd1fddffc454b;hb=651698847d5293cfb15b6fb23a394701388c0151;hp=1fe06c7e4f5aed39948ae18e6ca9a46482545474;hpb=6c61179fe09af2f5366d50f10aadbf5f83438087;p=r2c2.git

diff --git a/source/libmarklin/layout.cpp b/source/libmarklin/layout.cpp
index 1fe06c7..c093035 100644
--- a/source/libmarklin/layout.cpp
+++ b/source/libmarklin/layout.cpp
@@ -1,134 +1,375 @@
+/* $Id$
+
+This file is part of the MSP Märklin suite
+Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
+Distributed under the GPL
+*/
+
 #include <algorithm>
-#include <fstream>
-#include <msp/parser/parser.h>
+#include <msp/core/refptr.h>
+#include <msp/datafile/parser.h>
+#include <msp/datafile/writer.h>
+#include <msp/time/utils.h>
+#include "block.h"
 #include "catalogue.h"
+#include "driver.h"
 #include "layout.h"
+#include "locotype.h"
+#include "route.h"
+#include "track.h"
+#include "tracktype.h"
+#include "train.h"
 
 using namespace std;
 using namespace Msp;
 
 namespace Marklin {
 
-Layout::Layout(Catalogue &c):
-	catalogue(c)
+Layout::Layout(Catalogue &c, Driver *d):
+	catalogue(c),
+	driver(d)
 { }
 
-void Layout::add_track(Track *t)
+Layout::~Layout()
+{
+	delete driver;
+	while(!trains.empty())
+		delete trains.begin()->second;
+	while(!routes.empty())
+		delete routes.begin()->second;
+	while(!tracks.empty())
+		delete *tracks.begin();
+	while(!blocks.empty())
+		delete *blocks.begin();
+}
+
+Driver &Layout::get_driver() const
 {
-	if(find(tracks.begin(), tracks.end(), t)==tracks.end())
+	if(!driver)
+		throw InvalidState("No driver");
+	return *driver;
+}
+
+void Layout::add_track(Track &t)
+{
+	if(tracks.insert(&t).second)
 	{
-		tracks.push_back(t);
+		create_blocks();
 		signal_track_added.emit(t);
 	}
 }
 
-void Layout::remove_track(Track *t)
+void Layout::remove_track(Track &t)
 {
-	TrackSeq::iterator i=remove_if(tracks.begin(), tracks.end(), bind1st(equal_to<Track *>(), t));
-	if(i!=tracks.end())
+	if(tracks.erase(&t))
 	{
-		tracks.erase(i, tracks.end());
+		create_blocks(t);
 		signal_track_removed.emit(t);
 	}
 }
 
-void Layout::check_links()
+void Layout::add_block(Block &b)
 {
-	for(TrackSeq::iterator i=tracks.begin(); i!=tracks.end(); ++i)
-		(*i)->break_links();
+	blocks.insert(&b);
+}
+
+Block &Layout::get_block(unsigned id) const
+{
+	for(set<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
+		if((*i)->get_id()==id)
+			return **i;
+
+	throw KeyError("Unknown block", lexical_cast(id));
+}
+
+Block &Layout::get_block_by_track(const Track &t) const
+{
+	for(set<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
+		if((*i)->get_tracks().count(const_cast<Track *>(&t)))
+			return **i;
+
+	throw InvalidParameterValue("No block found for track");
+}
+
+void Layout::create_blocks()
+{
+	set<Track *> used_tracks;
+	for(set<Block *>::const_iterator i=blocks.begin(); i!=blocks.end(); ++i)
+	{
+		const set<Track *> &btracks = (*i)->get_tracks();
+		used_tracks.insert(btracks.begin(), btracks.end());
+	}
 
-	for(TrackSeq::iterator i=tracks.begin(); i!=tracks.end(); ++i)
-		for(TrackSeq::iterator j=i; j!=tracks.end(); ++j)
+	for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
+		if(used_tracks.count(*i)==0)
+		{
+			Block *block = new Block(*this, **i);
+			used_tracks.insert(block->get_tracks().begin(), block->get_tracks().end());
+		}
+
+	for(set<Block *>::iterator i=blocks.begin(); i!=blocks.end(); ++i)
+		for(set<Block *>::iterator j=i; j!=blocks.end(); ++j)
 			if(j!=i)
-				(*i)->snap_to(**j, true);
+				(*i)->check_link(**j);
 }
 
-void Layout::load(const string &fn)
+void Layout::create_blocks(const Track &track)
 {
-	ifstream in(fn.c_str());
-	if(!in)
-		throw Exception("Couldn't open file");
+	const vector<Track *> &links = track.get_links();
+	for(set<Block *>::iterator i=blocks.begin(); i!=blocks.end();)
+	{
+		bool del = (*i)->get_tracks().count(const_cast<Track *>(&track));
+		for(vector<Track *>::const_iterator j=links.begin(); (!del && j!=links.end()); ++j)
+			del = (*i)->get_tracks().count(*j);
 
-	filename=fn;
-	Parser::Parser parser(in, fn);
-	Loader loader(*this);
-	loader.load(parser);
+		if(del)
+			delete *i++;
+		else
+			++i;
+	}
 
-	check_links();
+	create_blocks();
+}
 
-	for(TrackSeq::iterator i=tracks.begin(); i!=tracks.end(); ++i)
-		(*i)->check_slope();
+void Layout::remove_block(Block &b)
+{
+	blocks.erase(&b);
 }
 
-int Layout::save(const string &fn)
+void Layout::add_route(Route &r)
 {
-	ofstream out(fn.c_str());
-	if(!out) return -1;
+	if(routes.count(r.get_name()))
+		throw KeyError("Duplicate route name", r.get_name());
 
-	filename=fn;
+	routes[r.get_name()] = &r;
+	signal_route_added.emit(r);
+}
+
+Route &Layout::get_route(const string &name) const
+{
+	map<string, Route *>::const_iterator i = routes.find(name);
+	if(i==routes.end())
+		throw KeyError("Unknown route", name);
+	return *i->second;
+}
 
-	if(base.size())
-		out<<"base \""<<base<<"\";\n";
-	for(TrackSeq::iterator i=tracks.begin(); i!=tracks.end(); ++i)
+void Layout::remove_route(Route &r)
+{
+	if(routes.erase(r.get_name()))
+		signal_route_removed.emit(r);
+}
+
+void Layout::add_train(Train &t)
+{
+	if(trains.count(t.get_address()))
+		throw KeyError("Duplicate train address", lexical_cast(t.get_address()));
+
+	trains[t.get_address()] = &t;
+	signal_train_added.emit(t);
+}
+
+Train &Layout::get_train(unsigned addr) const
+{
+	map<unsigned, Train *>::const_iterator i = trains.find(addr);
+	if(i==trains.end())
+		throw KeyError("Unknown train", lexical_cast(addr));
+	return *i->second;
+}
+
+void Layout::remove_train(Train &t)
+{
+	if(trains.erase(t.get_address()))
+		signal_train_removed.emit(t);
+}
+
+void Layout::tick()
+{
+	if(driver)
+		driver->tick();
+
+	Time::TimeStamp t = Time::now();
+	Time::TimeDelta dt;
+	if(last_tick)
+		dt = t-last_tick;
+	last_tick = t;
+
+	for(map<unsigned, Train *>::iterator i=trains.begin(); i!=trains.end(); ++i)
+		i->second->tick(t, dt);
+}
+
+void Layout::save(const string &fn)
+{
+	IO::BufferedFile out(fn, IO::M_WRITE);
+	DataFile::Writer writer(out);
+
+	if(!base.empty())
+		writer.write((DataFile::Statement("base"), base));
+
+	for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
 	{
-		out<<"track "<<(*i)->get_article_number()<<"\n{\n";
-		const Point &p=(*i)->get_position();
-		out<<"\tposition "<<p.x<<' '<<p.y<<' '<<p.z<<";\n";
-		out<<"\trotation "<<(*i)->get_rotation()<<";\n";
-		out<<"\tslope "<<(*i)->get_slope()<<";\n";
+		DataFile::Statement st("track");
+		st.append((*i)->get_type().get_article_number());
+		(*i)->save(st.sub);
+		writer.write(st);
+	}
 
-		unsigned id=(*i)->get_turnout_id();
-		if(id)
-			out<<"\tturnout_id "<<id<<";\n";
+	for(map<string, Route *>::iterator i=routes.begin(); i!=routes.end(); ++i)
+	{
+		DataFile::Statement st("route");
+		st.append(i->first);
+		i->second->save(st.sub);
+		writer.write(st);
+	}
+}
 
-		id=(*i)->get_sensor_id();
-		if(id)
-			out<<"\tsensor_id "<<id<<";\n";
+void Layout::save_trains(const string &fn)
+{
+	IO::BufferedFile out(fn, IO::M_WRITE);
+	DataFile::Writer writer(out);
 
-		if((*i)->get_flex())
-			out<<"\tflex true;\n";
+	for(map<unsigned, Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
+	{
+		DataFile::Statement st("train");
+		st.append(i->second->get_locomotive_type().get_article_number());
+		st.append(i->second->get_address());
+		i->second->save(st.sub);
+		writer.write(st);
+	}
+}
+
+void Layout::check_links()
+{
+	for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
+		(*i)->break_links();
 
-		out<<"};\n";
+	list<Track *> flext;
+	for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
+	{
+		if((*i)->get_flex())
+			flext.push_back(*i);
+		else
+		{
+			for(set<Track *>::iterator j=i; j!=tracks.end(); ++j)
+				if(j!=i)
+					(*i)->snap_to(**j, true);
+		}
 	}
 
-	return 0;
+	for(list<Track *>::iterator i=flext.begin(); i!=flext.end(); ++i)
+		for(set<Track *>::iterator j=tracks.begin(); j!=tracks.end(); ++j)
+			if(*j!=*i)
+				(*i)->snap_to(**j, true);
 }
 
-Layout::~Layout()
+void Layout::check_routes()
 {
-	for(TrackSeq::iterator i=tracks.begin(); i!=tracks.end(); ++i)
-		delete *i;
+	for(map<string, Route *>::iterator i=routes.begin(); i!=routes.end(); ++i)
+	{
+		/* We must copy the turnout map, since adding tracks to the route will
+		(temporarily) mess it up */
+		const map<unsigned, int> turnouts = i->second->get_turnouts();
+
+		// Find any turnout in the route
+		Track *track = 0;
+		unsigned trk_path = 0;
+		for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
+		{
+			map<unsigned, int>::const_iterator k = turnouts.find((*j)->get_turnout_id());
+			if(k!=turnouts.end())
+			{
+				track = *j;
+				trk_path = k->second;
+				break;
+			}
+		}
+
+		if(!track)
+			continue;
+
+		// Find an applicable endpoint
+		const vector<Endpoint> &eps = track->get_type().get_endpoints();
+		unsigned ep = 0;
+		for(unsigned j=0; j<eps.size(); ++j)
+			if(eps[j].paths&(1<<trk_path))
+			{
+				ep = j;
+				break;
+			}
+
+		Track *start = 0;
+		while(1)
+		{
+			// Traverse the track and get the next one
+			unsigned out_ep = track->traverse(ep, trk_path);
+			Track *next = track->get_links()[out_ep];
+			if(!next || next == start)
+				break;
+
+			ep = next->get_endpoint_by_link(*track);
+			if(next->get_type().is_turnout())
+			{
+				// Select correct path across the turnout, or break if we hit an unknown turnout
+				map<unsigned, int>::const_iterator j = turnouts.find(next->get_turnout_id());
+				if(j==turnouts.end())
+					break;
+				trk_path = j->second;
+			}
+			else
+			{
+				trk_path = 0;
+
+				/* Start adding tracks when we find the first non-turnout.  This
+				prevents the occurrence of ambiguities while adding the tracks */
+				if(!start)
+					start = next;
+			}
+
+			if(start)
+				i->second->add_track(*next);
+
+			track = next;
+		}
+	}
 }
 
-/*******************
-** Layout::Loader
-*/
 
 Layout::Loader::Loader(Layout &l):
-	layout(l)
+	DataFile::BasicLoader<Layout>(l),
+	new_tracks(false)
 {
 	add("base",  &Layout::base);
+	add("route", &Loader::route);
 	add("track", &Loader::track);
+	add("train", &Loader::train);
+}
+
+void Layout::Loader::finish()
+{
+	if(new_tracks)
+		obj.check_links();
+	obj.check_routes();
+
+	for(set<Track *>::iterator i=obj.tracks.begin(); i!=obj.tracks.end(); ++i)
+		(*i)->check_slope();
+}
+
+void Layout::Loader::route(const string &n)
+{
+	Route *rte = new Route(obj, n);
+	load_sub(*rte);
 }
 
 void Layout::Loader::track(unsigned art_nr)
 {
-	Track *tmpl=layout.catalogue.get_track(art_nr);
-	if(!tmpl)
-		throw Exception("Unknown track");
+	Track *trk = new Track(obj, obj.catalogue.get_track(art_nr));
+	load_sub(*trk);
+	new_tracks = true;
+}
 
-	Track *trk=tmpl->copy();
-	try
-	{
-		load_sub(*trk);
-	}
-	catch(Msp::Exception &e)
-	{
-		delete trk;
-		throw;
-	}
-	layout.tracks.push_back(trk);
-	layout.signal_track_added.emit(trk);
+void Layout::Loader::train(unsigned art_nr, unsigned addr)
+{
+	Train *trn = new Train(obj, obj.catalogue.get_locomotive(art_nr), addr);
+	load_sub(*trn);
 }
 
 } // namespace Marklin