Add encoded value for mountainbike route relation handling

core/src/main/java/com/graphhopper/GraphHopper.java

@@ -698,6 +698,8 @@ protected OSMParsers buildOSMParsers(Map<String, String> vehiclesByName, List<St
                 if (tagParser instanceof BikeCommonAccessParser) {
                     if (encodingManager.hasEncodedValue(BikeNetwork.KEY) && added.add(BikeNetwork.KEY))
                         osmParsers.addRelationTagParser(relConfig -> new OSMBikeNetworkTagParser(encodingManager.getEnumEncodedValue(BikeNetwork.KEY, RouteNetwork.class), relConfig));
+                    if (encodingManager.hasEncodedValue(MtbNetwork.KEY) && added.add(MtbNetwork.KEY))
+                        osmParsers.addRelationTagParser(relConfig -> new OSMMtbNetworkTagParser(encodingManager.getEnumEncodedValue(MtbNetwork.KEY, RouteNetwork.class), relConfig));
                     if (encodingManager.hasEncodedValue(Smoothness.KEY) && added.add(Smoothness.KEY))
                         osmParsers.addWayTagParser(new OSMSmoothnessParser(encodingManager.getEnumEncodedValue(Smoothness.KEY, Smoothness.class)));
                 } else if (tagParser instanceof FootAccessParser) {

core/src/main/java/com/graphhopper/routing/ev/DefaultEncodedValueFactory.java

@@ -61,7 +61,7 @@ public EncodedValue create(String name, PMap properties) {
             return Toll.create();
         } else if (TrackType.KEY.equals(name)) {
             return TrackType.create();
-        } else if (BikeNetwork.KEY.equals(name) || FootNetwork.KEY.equals(name)) {
+        } else if (BikeNetwork.KEY.equals(name) || MtbNetwork.KEY.equals(name) || FootNetwork.KEY.equals(name)) {
             return RouteNetwork.create(name);
         } else if (Hazmat.KEY.equals(name)) {
             return Hazmat.create();

core/src/main/java/com/graphhopper/routing/ev/MtbNetwork.java

@@ -0,0 +1,5 @@
+package com.graphhopper.routing.ev;
+
+public class MtbNetwork {
+    public static final String KEY = RouteNetwork.key("mtb");
+}

core/src/main/java/com/graphhopper/routing/util/EncodingManager.java

@@ -190,6 +190,7 @@ private void addDefaultEncodedValues() {
             ));
             if (em.getVehicles().stream().anyMatch(vehicle -> vehicle.contains("bike") || vehicle.contains("mtb") || vehicle.contains("racingbike"))) {
                 keys.add(BikeNetwork.KEY);
+                keys.add(MtbNetwork.KEY);
                 keys.add(GetOffBike.KEY);
                 keys.add(Smoothness.KEY);
             }

core/src/main/java/com/graphhopper/routing/util/parsers/BikeNetworkParser.java

@@ -0,0 +1,19 @@
+package com.graphhopper.routing.util.parsers;
+
+import com.graphhopper.routing.ev.RouteNetwork;
+
+public class BikeNetworkParser {
+    static RouteNetwork determine(String tag) {
+        RouteNetwork newBikeNetwork = RouteNetwork.LOCAL;
+        if ("lcn".equals(tag)) {
+            newBikeNetwork = RouteNetwork.LOCAL;
+        } else if ("rcn".equals(tag)) {
+            newBikeNetwork = RouteNetwork.REGIONAL;
+        } else if ("ncn".equals(tag)) {
+            newBikeNetwork = RouteNetwork.NATIONAL;
+        } else if ("icn".equals(tag)) {
+            newBikeNetwork = RouteNetwork.INTERNATIONAL;
+        }
+        return newBikeNetwork;
+    }
+}

core/src/main/java/com/graphhopper/routing/util/parsers/MountainBikePriorityParser.java

@@ -15,16 +15,16 @@ public class MountainBikePriorityParser extends BikeCommonPriorityParser {
     public MountainBikePriorityParser(EncodedValueLookup lookup, PMap properties) {
         this(lookup.getDecimalEncodedValue(VehicleSpeed.key(properties.getString("name", "mtb"))),
                 lookup.getDecimalEncodedValue(VehiclePriority.key(properties.getString("name", "mtb"))),
-                lookup.getEnumEncodedValue(BikeNetwork.KEY, RouteNetwork.class));
+                lookup.getEnumEncodedValue(MtbNetwork.KEY, RouteNetwork.class));
     }
 
     protected MountainBikePriorityParser(DecimalEncodedValue speedEnc, DecimalEncodedValue priorityEnc,
                                          EnumEncodedValue<RouteNetwork> bikeRouteEnc) {
         super(priorityEnc, speedEnc, bikeRouteEnc);
 
-        routeMap.put(INTERNATIONAL, PREFER.getValue());
-        routeMap.put(NATIONAL, PREFER.getValue());
-        routeMap.put(REGIONAL, PREFER.getValue());
+        routeMap.put(INTERNATIONAL, BEST.getValue());
+        routeMap.put(NATIONAL, BEST.getValue());
+        routeMap.put(REGIONAL, BEST.getValue());
         routeMap.put(LOCAL, BEST.getValue());
 
         preferHighwayTags.add("road");

core/src/main/java/com/graphhopper/routing/util/parsers/OSMBikeNetworkTagParser.java

@@ -41,16 +41,7 @@ public void handleRelationTags(IntsRef relFlags, ReaderRelation relation) {
         RouteNetwork oldBikeNetwork = transformerRouteRelEnc.getEnum(false, -1, relIntAccess);
         if (relation.hasTag("route", "bicycle")) {
             String tag = Helper.toLowerCase(relation.getTag("network", ""));
-            RouteNetwork newBikeNetwork = RouteNetwork.LOCAL;
-            if ("lcn".equals(tag)) {
-                newBikeNetwork = RouteNetwork.LOCAL;
-            } else if ("rcn".equals(tag)) {
-                newBikeNetwork = RouteNetwork.REGIONAL;
-            } else if ("ncn".equals(tag)) {
-                newBikeNetwork = RouteNetwork.NATIONAL;
-            } else if ("icn".equals(tag)) {
-                newBikeNetwork = RouteNetwork.INTERNATIONAL;
-            }
+            RouteNetwork newBikeNetwork = BikeNetworkParser.determine(tag);
             if (oldBikeNetwork == RouteNetwork.MISSING || oldBikeNetwork.ordinal() > newBikeNetwork.ordinal())
                 transformerRouteRelEnc.setEnum(false, -1, relIntAccess, newBikeNetwork);
         }

core/src/main/java/com/graphhopper/routing/util/parsers/OSMMtbNetworkTagParser.java

@@ -0,0 +1,61 @@
+/*
+ *  Licensed to GraphHopper GmbH under one or more contributor
+ *  license agreements. See the NOTICE file distributed with this work for
+ *  additional information regarding copyright ownership.
+ *
+ *  GraphHopper GmbH licenses this file to you under the Apache License,
+ *  Version 2.0 (the "License"); you may not use this file except in
+ *  compliance with the License. You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.graphhopper.routing.util.parsers;
+
+import com.graphhopper.reader.ReaderRelation;
+import com.graphhopper.reader.ReaderWay;
+import com.graphhopper.routing.ev.*;
+import com.graphhopper.storage.IntsRef;
+import com.graphhopper.util.Helper;
+
+import static com.graphhopper.routing.util.EncodingManager.getKey;
+
+public class OSMMtbNetworkTagParser implements RelationTagParser {
+    private final EnumEncodedValue<RouteNetwork> bikeRouteEnc;
+    // used only for internal transformation from relations into edge flags
+    private final EnumEncodedValue<RouteNetwork> transformerRouteRelEnc = new EnumEncodedValue<>(getKey("mtb", "route_relation"), RouteNetwork.class);
+
+    public OSMMtbNetworkTagParser(EnumEncodedValue<RouteNetwork> bikeRouteEnc, EncodedValue.InitializerConfig relConfig) {
+        this.bikeRouteEnc = bikeRouteEnc;
+        this.transformerRouteRelEnc.init(relConfig);
+    }
+
+    @Override
+    public void handleRelationTags(IntsRef relFlags, ReaderRelation relation) {
+        IntsRefEdgeIntAccess relIntAccess = new IntsRefEdgeIntAccess(relFlags);
+        RouteNetwork oldBikeNetwork = transformerRouteRelEnc.getEnum(false, -1, relIntAccess);
+        if (relation.hasTag("route", "mtb")) {
+            String tag = Helper.toLowerCase(relation.getTag("network", ""));
+            RouteNetwork newBikeNetwork = BikeNetworkParser.determine(tag);
+            if (oldBikeNetwork == RouteNetwork.MISSING || oldBikeNetwork.ordinal() > newBikeNetwork.ordinal())
+                transformerRouteRelEnc.setEnum(false, -1, relIntAccess, newBikeNetwork);
+        }
+    }
+
+    @Override
+    public void handleWayTags(int edgeId, EdgeIntAccess edgeIntAccess, ReaderWay way, IntsRef relationFlags) {
+        // just copy value into different bit range
+        IntsRefEdgeIntAccess relIntAccess = new IntsRefEdgeIntAccess(relationFlags);
+        RouteNetwork routeNetwork = transformerRouteRelEnc.getEnum(false, -1, relIntAccess);
+        bikeRouteEnc.setEnum(false, edgeId, edgeIntAccess, routeNetwork);
+    }
+
+    public EnumEncodedValue<RouteNetwork> getTransformerRouteRelEnc() {
+        return transformerRouteRelEnc;
+    }
+}

core/src/test/java/com/graphhopper/reader/osm/OSMReaderTest.java

@@ -478,11 +478,14 @@ public void testBarriersOnTowerNodes() {
     }
 
     @Test
-    public void testRelation() {
+    public void testBikeAndMtbRelation() {
         EnumEncodedValue<RouteNetwork> bikeNetworkEnc = new EnumEncodedValue<>(BikeNetwork.KEY, RouteNetwork.class);
-        EncodingManager manager = new EncodingManager.Builder().add(bikeNetworkEnc).build();
+        EnumEncodedValue<RouteNetwork> mtbNetworkEnc = new EnumEncodedValue<>(MtbNetwork.KEY, RouteNetwork.class);
+        EncodingManager manager = new EncodingManager.Builder().add(mtbNetworkEnc).add(bikeNetworkEnc).build();
         OSMParsers osmParsers = new OSMParsers()
-                .addRelationTagParser(relConf -> new OSMBikeNetworkTagParser(bikeNetworkEnc, relConf));
+                .addRelationTagParser(relConf -> new OSMBikeNetworkTagParser(bikeNetworkEnc, relConf))
+                .addRelationTagParser(relConf -> new OSMMtbNetworkTagParser(mtbNetworkEnc, relConf));
+
         ReaderRelation osmRel = new ReaderRelation(1);
         osmRel.add(new ReaderRelation.Member(ReaderElement.Type.WAY, 1, ""));
         osmRel.add(new ReaderRelation.Member(ReaderElement.Type.WAY, 2, ""));
@@ -494,6 +497,7 @@ public void testRelation() {
         osmRel.setTag("route", "bicycle");
         osmRel.setTag("network", "lcn");
 
+        // bikeNetworkEnc and MtbNetworkEnc share the same instance of the relFlags
         IntsRef relFlags = manager.createRelationFlags();
         IntsRefEdgeIntAccess intAccess = new IntsRefEdgeIntAccess(relFlags);
         int edgeId = 0;
@@ -512,6 +516,30 @@ public void testRelation() {
         osmParsers.handleRelationTags(osmRel, relFlags);
         assertEquals(RouteNetwork.NATIONAL, transformEnc.getEnum(false, edgeId, intAccess));
         assertNotEquals(before, relFlags);
+
+        // The further tests below are for an edge which is part of a bike and another mountainbike relation
+        osmRel.clearTags();
+
+        // this is pretty ugly: the mtb network parser writes to the edge flags we pass into it, but at a location we
+        // don't know, so we need to get the internal enc to read the flags below
+        transformEnc = ((OSMMtbNetworkTagParser) osmParsers.getRelationTagParsers().get(1)).getTransformerRouteRelEnc();
+
+        osmRel.setTag("route", "mtb");
+        osmRel.setTag("network", "lcn");
+
+        osmParsers.handleRelationTags(osmRel, relFlags);
+        assertEquals(RouteNetwork.LOCAL, transformEnc.getEnum(false, edgeId, intAccess));
+
+        // unchanged network
+        osmParsers.handleRelationTags(osmRel, relFlags);
+        assertEquals(RouteNetwork.LOCAL, transformEnc.getEnum(false, edgeId, intAccess));
+        assertEquals(RouteNetwork.LOCAL, transformEnc.getEnum(false, edgeId, intAccess));
+
+        // overwrite network
+        osmRel.setTag("network", "ncn");
+        osmParsers.handleRelationTags(osmRel, relFlags);
+        assertEquals(RouteNetwork.NATIONAL, transformEnc.getEnum(false, edgeId, intAccess));
+        assertNotEquals(before, relFlags);
     }
 
     @Test

core/src/test/java/com/graphhopper/routing/util/parsers/AbstractBikeTagParserTester.java

@@ -60,6 +60,7 @@ public void setUp() {
         priorityParser = (BikeCommonPriorityParser) parsers.getPriorityParser();
         osmParsers = new OSMParsers()
                 .addRelationTagParser(relConfig -> new OSMBikeNetworkTagParser(encodingManager.getEnumEncodedValue(BikeNetwork.KEY, RouteNetwork.class), relConfig))
+                .addRelationTagParser(relConfig -> new OSMMtbNetworkTagParser(encodingManager.getEnumEncodedValue(MtbNetwork.KEY, RouteNetwork.class), relConfig))
                 .addWayTagParser(new OSMSmoothnessParser(encodingManager.getEnumEncodedValue(Smoothness.KEY, Smoothness.class)))
                 .addWayTagParser(accessParser).addWayTagParser(speedParser).addWayTagParser(priorityParser);
         priorityEnc = priorityParser.getPriorityEnc();
@@ -664,7 +665,6 @@ public void testOneway() {
     private void assertAccess(ReaderWay way, boolean fwd, boolean bwd) {
         EdgeIntAccess edgeIntAccess = new ArrayEdgeIntAccess(1);
         int edge = 0;
-        IntsRef edgeFlags = new IntsRef(1);
         IntsRef relationFlags = new IntsRef(1);
         accessParser.handleWayTags(edge, edgeIntAccess, way, relationFlags);
         if (fwd) assertTrue(accessEnc.getBool(false, edge, edgeIntAccess));

core/src/test/java/com/graphhopper/routing/util/parsers/MountainBikeTagParserTest.java

@@ -134,26 +134,26 @@ public void testSacScale() {
     }
 
     @Test
-    public void testHandleWayTagsInfluencedByRelation() {
+    public void testHandleWayTagsInfluencedByBikeAndMtbRelation() {
         ReaderWay osmWay = new ReaderWay(1);
         osmWay.setTag("highway", "track");
 
         ReaderRelation osmRel = new ReaderRelation(1);
         // unchanged
-        assertPriorityAndSpeed(PREFER, 18, osmWay);
+        assertPriorityAndSpeed(PREFER, 18, osmWay, osmRel);
 
         // relation code is PREFER
         osmRel.setTag("route", "bicycle");
         osmRel.setTag("network", "lcn");
-        assertPriorityAndSpeed(PREFER, 18, osmWay);
+        assertPriorityAndSpeed(PREFER, 18, osmWay, osmRel);
 
         // relation code is PREFER
         osmRel.setTag("network", "rcn");
-        assertPriorityAndSpeed(PREFER, 18, osmWay);
+        assertPriorityAndSpeed(PREFER, 18, osmWay, osmRel);
 
         // relation code is PREFER
         osmRel.setTag("network", "ncn");
-        assertPriorityAndSpeed(PREFER, 18, osmWay);
+        assertPriorityAndSpeed(PREFER, 18, osmWay, osmRel);
 
         // PREFER relation, but tertiary road
         // => no pushing section but road wayTypeCode and faster
@@ -162,10 +162,33 @@ public void testHandleWayTagsInfluencedByRelation() {
 
         osmRel.setTag("route", "bicycle");
         osmRel.setTag("network", "lcn");
-        assertPriorityAndSpeed(PREFER, 18, osmWay);
+        assertPriorityAndSpeed(PREFER, 18, osmWay, osmRel);
+
+        osmWay.clearTags();
+        osmRel.clearTags();
+        osmWay.setTag("highway", "track");
+        // unchanged
+        assertPriorityAndSpeed(PREFER, 18, osmWay, osmRel);
+
+        osmRel.setTag("route", "mtb");
+        osmRel.setTag("network", "lcn");
+        assertPriorityAndSpeed(BEST, 18, osmWay, osmRel);
+
+        osmRel.setTag("network", "rcn");
+        assertPriorityAndSpeed(BEST, 18, osmWay, osmRel);
+
+        osmRel.setTag("network", "ncn");
+        assertPriorityAndSpeed(BEST, 18, osmWay, osmRel);
+
+        osmWay.clearTags();
+        osmWay.setTag("highway", "tertiary");
+
+        osmRel.setTag("route", "mtb");
+        osmRel.setTag("network", "lcn");
+        assertPriorityAndSpeed(BEST, 18, osmWay, osmRel);
     }
 
-    // Issue 407 : Always block kissing_gate execpt for mountainbikes
+    // Issue 407 : Always block kissing_gate except for mountainbikes
     @Test
     @Override
     public void testBarrierAccess() {