implemented shunting trains

pom.xml

@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.srsoftware</groupId>
 	<artifactId>web4rail</artifactId>
-	<version>1.3.19</version>
+	<version>1.3.20</version>
 	<name>Web4Rail</name>
 	<packaging>jar</packaging>
 	<description>Java Model Railway Control</description>

resources/translations/Application.de.translation

@@ -262,6 +262,7 @@ Set speed to : Geschwindigkeit setzen
 SetTurnout : Weiche stellen
 Setup actions : Vorbereitung-Aktionen
 ShowText : Text anzeigen
+Shunting : Rangieren
 Signals : Signale
 simplify name : Name vereinfachen
 Simulating movement of {}... : Simuliere Fahrt von {}...
@@ -307,7 +308,10 @@ train is a push-pull train : Zug ist ein Wendezug
 train is faster than {} {} : Zug ist schneller als {} {}
 train is longer than {} {} : Zug ist länger als {} {}
 train is not a push-pull train : Zug ist kein Wendezug
+train is not shunting : Zug rangiert nicht
 train is shorter than {} {} : Zug ist kürzer als {} {}
+TrainIsShunting : Zug rangiert
+train is shunting : Zug rangiert
 train is slower than {} {} : Zug ist langsamer als {} {}
 TrainLength : Zug-Länge
 Train manager : Zug-Verwaltung

src/main/java/de/srsoftware/web4rail/PathFinder.java

@@ -17,11 +17,12 @@ public class PathFinder extends BaseClass{
 	public static final Logger LOG = LoggerFactory.getLogger(PathFinder.class);
 
 	private static TreeMap<Integer,List<Route>> availableRoutes(Context context,HashSet<Route> visitedRoutes){
-		LOG.debug("PathFinder.availableRoutes({})",context);
-		TreeMap<Integer,List<Route>> availableRoutes = new TreeMap<Integer, List<Route>>();
-		
 		String inset = "";
 		for (int i=0; i<visitedRoutes.size(); i++) inset+="    ";
+
+		LOG.debug(inset+"PathFinder.availableRoutes({})",context);
+		TreeMap<Integer,List<Route>> availableRoutes = new TreeMap<Integer, List<Route>>();
+		
 		
 		boolean error = false;
 		Block block = context.block();		
@@ -38,11 +39,11 @@ public class PathFinder extends BaseClass{
 		
 		Block destination = train.destination();
 		Direction direction = context.direction();
-/*		if (isSet(direction)) {
+		if (isSet(direction)) {
 			LOG.debug("{}Looking for {}-bound routes from {}",inset,direction,block);
 		} else {
 			LOG.debug("{}Looking for all routes from {}",inset,block);
-		}*/
+		}//*/
 		if (isSet(destination) && visitedRoutes.isEmpty())	LOG.debug("{}- Destination: {}",inset,destination);
 
 		Route currentRoute = context.route();

src/main/java/de/srsoftware/web4rail/Route.java

@@ -126,7 +126,7 @@ public class Route extends BaseClass {
 		public void finish() {
 			LOG.debug("BrakeProcessor.finish(){}",aborted?" got aborted":"");
 			if (aborted) return;
-			long runtime = BaseClass.timestamp() - timestamp;
+			long runtime = 2+BaseClass.timestamp() - timestamp;
 			estimatedDistance += train.speed * runtime;
 			train.setSpeed(0);
 			LOG.debug("Estimated distance: {}",estimatedDistance);
@@ -509,7 +509,7 @@ public class Route extends BaseClass {
 			} else {
 				train.setWaitTime(endBlock.getWaitTime(train,train.direction()));
 			}
-			if (train.route == this) train.route = null;
+			if (train.route() == this) train.route(null);
 			if (startBlock.train() == train && !train.onTrace(startBlock)) startBlock.setTrain(null); // withdraw train from start block only if trace does not go back there
 		}
 		train = null;
@@ -888,7 +888,7 @@ public class Route extends BaseClass {
 		if (isSet(train)) {
 			train.set(startBlock);
 			train.heading(startDirection);
-			if (train.route == this) train.route = null;
+			if (train.route() == this) train.route(null);
 			train = null;
 		}
 		LOG.debug("chlearing triggeredContacts of {}",this);
@@ -1021,6 +1021,7 @@ public class Route extends BaseClass {
 			condition.parent(this);
 			conditions.add(condition);
 		}
+		super.update(params);
 		return properties();
 	}
 

src/main/java/de/srsoftware/web4rail/actions/DetermineTrainInBlock.java

@@ -68,7 +68,7 @@ public class DetermineTrainInBlock extends Action {
 	}
 	
 	public String toString() {
-		return isSet(block) ? t("Determine, which train is in {}",block) : t("[Click here to select block!]");
+		return isSet(block) ? t("Determine, which train is in {}",block) : "["+t("Click here to select block!")+"]";
 	};
 	
 	@Override

src/main/java/de/srsoftware/web4rail/conditions/Condition.java

@@ -123,6 +123,7 @@ public abstract class Condition extends BaseClass {
 				PushPullTrain.class,
 				RouteEndBlock.class,
 				TrainHasTag.class,
+				TrainIsShunting.class,
 				TrainLength.class,
 				TrainSelect.class,
 				TrainSpeed.class,

src/main/java/de/srsoftware/web4rail/conditions/TrainIsShunting.java

@@ -0,0 +1,14 @@
+package de.srsoftware.web4rail.conditions;
+
+public class TrainIsShunting extends Condition {
+	
+	@Override
+	public boolean fulfilledBy(Context context) {
+		return context.train().isShunting() != inverted;
+	}
+
+	@Override
+	public String toString() {
+		return t(inverted ? "train is not shunting":"train is shunting") ;
+	}
+}

src/main/java/de/srsoftware/web4rail/moving/Locomotive.java

@@ -127,7 +127,7 @@ public class Locomotive extends Car implements Constants,Device{
 		if (isSet(train)) {
 			Block currentBlock = train.currentBlock();
 			if (isSet(currentBlock)) {
-				if (isNull(train.route)) {
+				if (isNull(train.route())) {
 					params.put(ACTION, ACTION_START);
 					new Button(t("start"),params).addTo(direction);
 				}

src/main/java/de/srsoftware/web4rail/moving/Train.java

@@ -54,7 +54,7 @@ public class Train extends BaseClass implements Comparable<Train> {
 	
 	
 	private static final String ROUTE = "route";
-	public Route route;	
+	private Route route;	
 		
 	private static final String DIRECTION = "direction";
 	private Direction direction;
@@ -82,6 +82,8 @@ public class Train extends BaseClass implements Comparable<Train> {
 	public int speed = 0;
 	private Autopilot autopilot = null;
 	private Route nextRoute;
+	private static final String SHUNTING = "shunting";
+	private boolean shunting = false;
 
 	
 	private class Autopilot extends Thread{
@@ -362,6 +364,10 @@ public class Train extends BaseClass implements Comparable<Train> {
 			cars.remove(car);
 			car.train(null);
 		}
+		if (cars.isEmpty()) {
+			this.remove();
+			return t("Removed train \"{}\"",this);
+		}
 		return properties();
 	}
 	
@@ -373,6 +379,13 @@ public class Train extends BaseClass implements Comparable<Train> {
 		setSpeed(speed+steps);
 		return properties();
 	}
+	
+	private boolean hasLoco() {
+		for (Car c:cars) {
+			if (c instanceof Locomotive) return true;
+		}
+		return false;
+	}
 		
 	public Train heading(Direction dir) {
 		LOG.debug("{}.heading({})",this,dir);
@@ -385,6 +398,11 @@ public class Train extends BaseClass implements Comparable<Train> {
 		return trace.getFirst();
 	}
 	
+	public boolean isShunting() {
+		return shunting;
+	}
+
+	
 	public JSONObject json() {
 		JSONObject json = super.json();
 		json.put(PUSH_PULL, pushPull);
@@ -592,11 +610,12 @@ public class Train extends BaseClass implements Comparable<Train> {
 		
 		propList.addTo(otherTrainProps);
 		
-		formInputs.add(t("Name"), new Input(NAME,name));
+		formInputs.add(t("Name"), new Input(NAME,name()));
+		formInputs.add(t("Shunting"),new Checkbox(SHUNTING, t("train is shunting"), shunting));
 		formInputs.add(t("Push-pull train"),new Checkbox(PUSH_PULL, t("Push-pull train"), pushPull));
 		formInputs.add(t("Tags"), new Input(TAGS,String.join(", ", tags)));
 		
-		preForm.add(Locomotive.cockpit(this));
+		if (this.hasLoco())	preForm.add(Locomotive.cockpit(this));
 		postForm.add(otherTrainProps);
 		postForm.add(brakeTimes());
 		postForm.add(blockHistory());
@@ -680,6 +699,18 @@ public class Train extends BaseClass implements Comparable<Train> {
 		trace = reversed;
 		LOG.debug("reversed: {}",trace);
 	}
+	
+	public Route route() {
+		return route;
+	}
+	
+	public Train route(Route newRoute) {
+		route = newRoute;
+		if (isNull(route)) shunting = false; // quit shunting on finish route
+		return this;
+	}
+
+
 
 	public static void saveAll(String filename) throws IOException {
 		BufferedWriter file = new BufferedWriter(new FileWriter(filename));
@@ -704,6 +735,7 @@ public class Train extends BaseClass implements Comparable<Train> {
 
 	public void set(Block newBlock) {
 		LOG.debug("{}.set({})",this,newBlock);
+		if (isSet(currentBlock)) currentBlock.setTrain(null);
 		currentBlock = newBlock;
 		if (isSet(currentBlock)) {
 			currentBlock.setTrain(this);
@@ -927,6 +959,7 @@ public class Train extends BaseClass implements Comparable<Train> {
 	protected Train update(HashMap<String, String> params) {
 		LOG.debug("update({})",params);
 		pushPull = params.containsKey(PUSH_PULL) && params.get(PUSH_PULL).equals("on");
+		shunting = params.containsKey(SHUNTING) && params.get(SHUNTING).equals("on");
 		if (params.containsKey(NAME)) name = params.get(NAME);
 		if (params.containsKey(TAGS)) {
 			String[] parts = params.get(TAGS).replace(",", " ").split(" ");

src/main/java/de/srsoftware/web4rail/tiles/Tile.java

@@ -127,16 +127,19 @@ public abstract class Tile extends BaseClass implements Comparable<Tile>{
 			}
 			if (isSet(route)) {
 				PathFinder.LOG.debug("{} is occupied by {}",this,route);
-				return false;
+				return false;				
-				
 			}
 		}
 		if (isSet(train)) {
-			boolean free = train == context.train(); // during train.reserveNext, we may encounter, parts, that are already reserved by the respective train, but having another route. do not compare routes in that case!
+			Train contextTrain = context.train();
+			boolean free = train == contextTrain; // during train.reserveNext, we may encounter, parts, that are already reserved by the respective train, but having another route. do not compare routes in that case!
 			if (free) {
 				PathFinder.LOG.debug("already reserved by {} → true",train);
 			} else {
-				PathFinder.LOG.debug("occupied by {} → false",train);
+				if (isSet(contextTrain) && contextTrain.isShunting()) {
+					PathFinder.LOG.debug("occupied by {}. Allowed for shunting {}",train,contextTrain);
+					free = true;
+				} else PathFinder.LOG.debug("occupied by {} → false",train);				
 			}
 			return free;
 		}
@@ -262,7 +265,7 @@ public abstract class Tile extends BaseClass implements Comparable<Tile>{
 				fieldset.children().firstElement().content(" / "+t("Train"));
 			} else fieldset = new Fieldset(t("Train"));
 			train.link("span", t("Train")+":"+NBSP+train+NBSP).addTo(fieldset);
-			if (isSet(train.route)) {
+			if (isSet(train.route())) {
 				train.button(t("stop"), Map.of(ACTION,ACTION_STOP)).addTo(fieldset);
 			} else {
 				train.button(t("start"), Map.of(ACTION,ACTION_START)).addTo(fieldset);