X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Fblockallocator.cpp;h=7cca79f795a61c9cad6ad11eb2689639f4574098;hb=4b9ed4362779040bfde6d5cd400a1fbffc894815;hp=ed32193f3e1d116b65b557d9bb8619f82dc0bf41;hpb=9cb5f9ef3c0eaac499ef5d045c513116d6809e56;p=r2c2.git

diff --git a/source/libr2c2/blockallocator.cpp b/source/libr2c2/blockallocator.cpp
index ed32193..7cca79f 100644
--- a/source/libr2c2/blockallocator.cpp
+++ b/source/libr2c2/blockallocator.cpp
@@ -39,6 +39,7 @@ BlockAllocator::BlockAllocator(Train &t):
 	Layout &layout = train.get_layout();
 	layout.signal_block_reserved.connect(sigc::mem_fun(this, &BlockAllocator::block_reserved));
 	layout.signal_sensor_state_changed.connect(sigc::mem_fun(this, &BlockAllocator::sensor_state_changed));
+	layout.get_driver().signal_halt.connect(sigc::mem_fun(this, &BlockAllocator::halt_event));
 
 	const set<Track *> &tracks = layout.get_all<Track>();
 	for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
@@ -190,6 +191,9 @@ void BlockAllocator::reserve_more()
 	if(blocks.empty())
 		throw logic_error("no blocks");
 
+	if(train.get_layout().get_driver().is_halted())
+		return;
+
 	BlockIter start = blocks.back();
 	if(&*start==stop_at_block)
 		return;
@@ -253,26 +257,16 @@ void BlockAllocator::reserve_more()
 		}
 		else
 		{
-			const TrackType::Endpoint &entry_ep = track.endpoint();
 			unsigned path = track->get_active_path();
-			if(!entry_ep.has_path(path))
+			if(!track.endpoint().has_path(path))
 			{
-				const TrackType::Endpoint &exit_ep = track.reverse().endpoint();
-				if(entry_ep.has_common_paths(exit_ep))
+				path = track->get_type().coerce_path(track.entry(), path);
+				track->set_active_path(path);
+				if(track->is_path_changing())
 				{
-					unsigned mask = entry_ep.paths&exit_ep.paths;
-					for(path=0; mask>1; ++path, mask>>=1) ;
-
-					track->set_active_path(path);
-					if(track->is_path_changing())
-					{
-						pending_block = &*block;
-						break;
-					}
-				}
-				else
-					// XXX Do something here
+					pending_block = &*block;
 					break;
+				}
 			}
 		}
 
@@ -347,7 +341,7 @@ void BlockAllocator::advance_front(const Block *block, bool inclusive)
 	// Update cur_blocks_end first to keep things consistent.
 	cur_blocks_end = end;
 	for(; i!=end; ++i)
-		train.signal_advanced.emit(**i);
+		signal_advanced.emit(**i, (*i)->get_sensor());
 }
 
 void BlockAllocator::advance_front(const Sensor *sensor)
@@ -364,6 +358,8 @@ void BlockAllocator::advance_back()
 	const Vehicle &veh = train.get_vehicle(rev ? 0 : train.get_n_vehicles()-1);
 	const Block &veh_block = veh.get_placement().get_position(rev ? VehiclePlacement::FRONT_AXLE : VehiclePlacement::BACK_AXLE)->get_block();
 
+	bool pending_cleared = false;
+
 	/* Sensors aren't guaranteed to be detriggered in order.  Go through the
 	block list and locate the first sensor that's still active. */
 	BlockList::iterator end = blocks.end();
@@ -397,6 +393,9 @@ void BlockAllocator::advance_back()
 				end = i;
 		}
 
+		if(block==pending_block)
+			pending_cleared = true;
+
 		// Stop if we encounter an active sensor or the train's last vehicle
 		if(block==&veh_block || active_sensor)
 		{
@@ -407,7 +406,12 @@ void BlockAllocator::advance_back()
 				if(i!=end)
 					++end;
 				release_blocks_begin(end);
+				signal_rear_advanced.emit(*last());
 			}
+
+			if(pending_cleared)
+				reserve_more();
+
 			return;
 		}
 	}
@@ -498,6 +502,8 @@ void BlockAllocator::sensor_state_changed(Sensor &sensor, Sensor::State state)
 	{
 		if(&sensor==next_sensor)
 		{
+			if(is_block_current(*block))
+				signal_advanced.emit(*block, &sensor);
 			update_next_sensor(next_sensor);
 			advance_front(next_sensor);
 
@@ -559,6 +565,12 @@ void BlockAllocator::update_next_sensor(Sensor *after)
 	next_sensor = 0;
 }
 
+void BlockAllocator::halt_event(bool halted)
+{
+	if(active && !halted)
+		reserve_more();
+}
+
 void BlockAllocator::save(list<DataFile::Statement> &st) const
 {
 	if(!blocks.empty() && cur_blocks_end!=blocks.begin())
@@ -575,7 +587,7 @@ void BlockAllocator::save(list<DataFile::Statement> &st) const
 
 		st.push_back((DataFile::Statement("hint"), prev->get_id()));
 
-		for(BlockList::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
+		for(BlockList::const_iterator i=cur_blocks.begin(); (i!=cur_blocks.end() && i->block()!=pending_block); ++i)
 			st.push_back((DataFile::Statement("block"), (*i)->get_id()));
 	}
 }