X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Fzone.h;h=647a6195e2dcac73567a15d934b6ea4379f17d74;hb=9a2fd67cec715e371e293be638b126e0d1b2148d;hp=9688c3419540bcf17173bcfbd49d853875f426ff;hpb=1ac853ffc606b29ffd88b923ed3551ee6282afb2;p=r2c2.git

diff --git a/source/libr2c2/zone.h b/source/libr2c2/zone.h
index 9688c34..647a619 100644
--- a/source/libr2c2/zone.h
+++ b/source/libr2c2/zone.h
@@ -21,12 +21,16 @@ public:
 	private:
 		virtual void finish();
 		void block(unsigned);
+		void direction_hint(unsigned, Direction);
+		void preferred_direction(Direction);
 	};
 
 private:
 	std::string group;
 	std::string qualifier;
 	unsigned number;
+	int up_end;
+	Direction preferred_dir;
 
 public:
 	Zone(Layout &);
@@ -41,6 +45,22 @@ public:
 	const std::string &get_qualifier() const { return qualifier; }
 	unsigned get_number() const { return number; }
 
+private:
+	virtual void on_track_added(Track &);
+
+public:
+	void set_direction_towards(Track &, Direction);
+	bool has_direction() const { return up_end>=0; }
+	void set_preferred_direction(Direction);
+	Direction get_preferred_direction() const { return preferred_dir; }
+	void clear_direction();
+	virtual TrackIter iter_for(Track &, Direction) const;
+private:
+	TrackIter next_iter(const TrackIter &) const;
+public:
+	using TrackChain::get_end;
+	virtual TrackIter get_end(Direction) const;
+
 	void save(std::list<Msp::DataFile::Statement> &) const;
 	virtual Msp::DataFile::Statement save_reference() const;
 };