X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Fblockallocator.cpp;h=79274b77ded54cd6df67fb7e38329e36a2a4b03a;hb=a44355019e5a27da0d5e5287aae74864e4122e1f;hp=5870a6d00474ccdcffa2478da7bb38ffc425e958;hpb=6eba064c477836843a2647d777e95823a96dda43;p=r2c2.git

diff --git a/source/libr2c2/blockallocator.cpp b/source/libr2c2/blockallocator.cpp
index 5870a6d..79274b7 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;
@@ -354,6 +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();
@@ -387,6 +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)
 		{
@@ -399,6 +408,10 @@ void BlockAllocator::advance_back()
 				release_blocks_begin(end);
 				signal_rear_advanced.emit(*last());
 			}
+
+			if(pending_cleared)
+				reserve_more();
+
 			return;
 		}
 	}
@@ -552,6 +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())