X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fdesigner%2Fmanipulator.cpp;h=42c422923ab7540c4e686263f1bc4a82040370f2;hb=258600f95f62ba4fbe745da4aebdd1a496af0050;hp=35779a8ccc2896234f91e330b1872e7d75b7d58f;hpb=02fe62e0026dd25fd3ff4d5172c0ff097b7c68c9;p=r2c2.git

diff --git a/source/designer/manipulator.cpp b/source/designer/manipulator.cpp
index 35779a8..42c4229 100644
--- a/source/designer/manipulator.cpp
+++ b/source/designer/manipulator.cpp
@@ -212,6 +212,156 @@ void Manipulator::cancel()
 	signal_done.emit(false);
 }
 
+void Manipulator::connect()
+{
+	if(tracks.size()!=2)
+	{
+		signal_status.emit("Exactly two tracks must be selected");
+		return;
+	}
+
+	float limit = 0.001;
+
+	Track *track1 = tracks.front().track;
+	Point pos1;
+	float dir1;
+	Track *track2 = tracks.back().track;
+	bool ok = false;
+	float gap;
+	for(unsigned i=0; i<track1->get_type().get_endpoints().size(); ++i)
+	{
+		if(track1->get_link(i))
+			continue;
+
+		pos1 = track1->get_endpoint_position(i);
+		dir1 = track1->get_endpoint_direction(i);
+
+		for(unsigned j=0; j<track2->get_type().get_endpoints().size(); ++j)
+		{
+			if(track2->get_link(j))
+				continue;
+
+			Point pos2 = track2->get_endpoint_position(j);
+			float dir2 = track2->get_endpoint_direction(j);
+
+			float dz = pos2.z-pos1.z;
+			if(abs(dz)>0.02)
+				continue;
+
+			float adiff = dir1+M_PI-dir2;
+			while(adiff<-M_PI)
+				adiff += M_PI*2;
+			while(adiff>M_PI)
+				adiff -= M_PI*2;
+			if(abs(adiff)>0.01)
+				continue;
+
+			float c = cos(dir1);
+			float s = sin(dir1);
+			float dx = pos2.x-pos1.x;
+			float dy = pos2.y-pos1.y;
+			if(abs(dx*s-dy*c)>limit)
+				continue;
+
+			gap = dx*c+dy*s;
+			if(gap<0)
+				continue;
+
+			ok = true;
+		}
+
+		if(ok)
+			break;
+	}
+
+	if(!ok)
+	{
+		signal_status.emit("No matching endpoints found");
+		return;
+	}
+
+	const map<unsigned, TrackType *> &track_types = designer.get_catalogue().get_tracks();
+	std::map<float, const TrackType *> types_by_length;
+	unsigned preference = 0;
+	for(map<unsigned, TrackType *>::const_iterator i=track_types.begin(); i!=track_types.end(); ++i)
+	{
+		const vector<TrackPart> &parts = i->second->get_parts();
+		if(parts.size()!=1)
+			continue;
+		if(parts.front().is_curved() || parts.front().is_dead_end())
+			continue;
+
+		types_by_length[parts.front().get_length()] = i->second;
+		preference = max(preference, i->second->get_autofit_preference());
+	}
+
+	vector<float> lengths;
+	float removed = 0;
+	while(gap>limit)
+	{
+		bool found = false;
+		for(map<float, const TrackType *>::iterator i=types_by_length.end(); i!=types_by_length.begin(); )
+		{
+			--i;
+			if(i->second->get_autofit_preference()<preference)
+				continue;
+			if((!removed || i->first<removed) && i->first<gap+limit)
+			{
+				unsigned n = static_cast<unsigned>((gap+limit)/i->first);
+				lengths.insert(lengths.end(), n, i->first);
+				gap -= n*i->first;
+				found = true;
+				break;
+			}
+		}
+
+		if(found)
+			continue;
+
+		if(lengths.empty())
+		{
+			if(preference>0)
+			{
+				--preference;
+				removed = 0;
+				continue;
+			}
+			break;
+		}
+
+		gap += lengths.back();
+		removed = lengths.back();
+		lengths.pop_back();
+	}
+
+	if(lengths.empty())
+	{
+		signal_status.emit("No connection possible");
+		return;
+	}
+
+	float c = cos(dir1);
+	float s = sin(dir1);
+	for(vector<float>::iterator i=lengths.begin(); i!=lengths.end(); ++i)
+	{
+		map<float, const TrackType *>::iterator j = types_by_length.find(*i);
+		if(j==types_by_length.end())
+			throw LogicError("Internal error");
+
+		Track *track = new Track(*designer.get_layout(), *j->second);
+		track->set_position(pos1);
+		track->set_rotation(dir1);
+
+		track->snap_to(*track1, true);
+		track1 = track;
+
+		pos1.x += c**i;
+		pos1.y += s**i;
+	}
+
+	track1->snap_to(*track2, true);
+}
+
 void Manipulator::button_press(int, int, float, float, unsigned btn)
 {
 	if(btn==3)