X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrain.cpp;h=7e4a6904610a7b51ee19940e7f4d9cc1812f95aa;hb=a5e1363ceac1ab552849640c9021fcda362c4416;hp=285a15a27fb83794bcffa9406c144b416e1d0079;hpb=d41f66805bc9fe0b33e3d46b47f52e67b5782028;p=r2c2.git

diff --git a/source/libr2c2/train.cpp b/source/libr2c2/train.cpp
index 285a15a..7e4a690 100644
--- a/source/libr2c2/train.cpp
+++ b/source/libr2c2/train.cpp
@@ -185,21 +185,29 @@ void Train::ai_message(const TrainAI::Message &msg)
 		(*i)->message(msg);
 }
 
-void Train::place(const BlockIter &block)
+bool Train::place(const BlockIter &block)
 {
 	if(!block)
 		throw invalid_argument("Train::place");
 	if(controller->get_speed())
 		throw logic_error("moving");
 
-	allocator.start_from(block);
 	accurate_position = false;
 	last_entry_block = BlockIter();
 
-	if(reverse)
-		vehicles.front()->place(block.reverse().track_iter(), 0, Vehicle::FRONT_BUFFER);
+	if(allocator.start_from(block))
+	{
+		if(reverse)
+			vehicles.front()->place(block.reverse().track_iter(), VehiclePlacement::FRONT_BUFFER);
+		else
+			vehicles.back()->place(block.track_iter(), VehiclePlacement::BACK_BUFFER);
+		return true;
+	}
 	else
-		vehicles.back()->place(block.track_iter(), 0, Vehicle::BACK_BUFFER);
+	{
+		unplace();
+		return false;
+	}
 }
 
 void Train::unplace()
@@ -337,7 +345,7 @@ void Train::tick(const Time::TimeDelta &dt)
 		Vehicle &vehicle = *(reverse ? vehicles.back() : vehicles.front());
 
 		float d = speed*(dt/Time::sec);
-		if(allocator.is_block_current(vehicle.get_track()->get_block()))
+		if(allocator.is_block_current(vehicle.get_placement().get_position(reverse ? VehiclePlacement::BACK_AXLE : VehiclePlacement::FRONT_AXLE)->get_block()))
 		{
 			SetFlag setf(advancing);
 			vehicle.advance(reverse ? -d : d);
@@ -464,21 +472,21 @@ void Train::sensor_state_changed(Sensor &sensor, Sensor::State state)
 		accurate_position = true;
 		overshoot_dist = 0;
 
-		if(!advancing && vehicles.front()->get_track())
+		if(!advancing && vehicles.front()->is_placed())
 		{
 			TrackIter track = last_entry_block.track_iter();
 			if(reverse)
 			{
 				track = track.flip();
-				vehicles.back()->place(track, 0, Vehicle::BACK_AXLE);
+				vehicles.back()->place(track, VehiclePlacement::BACK_AXLE);
 			}
 			else
-				vehicles.front()->place(track, 0, Vehicle::FRONT_AXLE);
+				vehicles.front()->place(track, VehiclePlacement::FRONT_AXLE);
 		}
 	}
 	else if(BeamGate *gate = dynamic_cast<BeamGate *>(&sensor))
 	{
-		if(!advancing && vehicles.front()->get_track())
+		if(!advancing && vehicles.front()->is_placed())
 		{
 			TrackIter track = allocator.iter_for(*block).track_iter();
 			for(; (track && &track->get_block()==block); track=track.next())
@@ -488,9 +496,9 @@ void Train::sensor_state_changed(Sensor &sensor, Sensor::State state)
 						track = track.reverse();
 					float offset = gate->get_offset_from_endpoint(track.entry());
 					if(reverse)
-						vehicles.back()->place(track, offset, Vehicle::BACK_BUFFER);
+						vehicles.back()->place(TrackOffsetIter(track, offset), VehiclePlacement::BACK_BUFFER);
 					else
-						vehicles.front()->place(track, offset, Vehicle::FRONT_BUFFER);
+						vehicles.front()->place(TrackOffsetIter(track, offset), VehiclePlacement::FRONT_BUFFER);
 					break;
 				}
 		}
@@ -510,7 +518,7 @@ float Train::get_reserved_distance_until(const Block *until_block) const
 
 	Vehicle &veh = *(reverse ? vehicles.back() : vehicles.front());
 
-	TrackIter track = veh.get_track_iter().track_iter();
+	TrackOffsetIter track = veh.get_placement().get_position(reverse ? VehiclePlacement::BACK_AXLE : VehiclePlacement::FRONT_AXLE);
 	if(!track)  // XXX Probably unnecessary
 		return 0;
 
@@ -518,18 +526,18 @@ float Train::get_reserved_distance_until(const Block *until_block) const
 		return 0;
 
 	// Account for the vehicle's offset on its current track
-	float result = veh.get_offset();
+	float result = track.offset();
 	if(reverse)
 		track = track.reverse();
 	else
-		result = track->get_type().get_path_length(track->get_active_path())-result;
+		result = track->get_path_length()-result;
 	result -= veh.get_type().get_length()/2;
 
 	BlockIter block = track.block_iter();
 
 	// Count remaining distance in the vehicle's current block
 	for(track=track.next(); &track->get_block()==&*block; track=track.next())
-		result += track->get_type().get_path_length(track->get_active_path());
+		result += track->get_path_length();
 
 	const BlockIter &last = allocator.last();
 	if(&*block==&*last)
@@ -566,7 +574,7 @@ void Train::Loader::finish()
 	{
 		TrackIter track = obj.allocator.first().track_iter();
 		float offset = 2*obj.layout.get_catalogue().get_scale();
-		obj.vehicles.back()->place(track, offset, Vehicle::BACK_BUFFER);
+		obj.vehicles.back()->place(TrackOffsetIter(track, offset), VehiclePlacement::BACK_BUFFER);
 	}
 }