implement OSRM turn types parsing

OsmAnd-java/src/main/java/net/osmand/util/MapUtils.java

@@ -668,8 +668,13 @@ public class MapUtils {
 
 	public static boolean areLatLonEqual(Location l1, Location l2) {
 		return l1 == null && l2 == null
-				|| (l1 != null && l2 != null && Math.abs(l1.getLatitude() - l2.getLatitude()) < 0.00001
+				|| (l2 != null && areLatLonEqual(l1, l2.getLatitude(), l2.getLongitude()));
-				&& Math.abs(l1.getLongitude() - l2.getLongitude()) < 0.00001);
+	}
+
+	public static boolean areLatLonEqual(Location l, double lat, double lon) {
+		return l != null
+				&& Math.abs(l.getLatitude() - lat) < 0.00001
+				&& Math.abs(l.getLongitude() - lon) < 0.00001;
 	}
 	
 	public static LatLon rhumbDestinationPoint(LatLon latLon, double distance, double bearing){

OsmAnd/src/net/osmand/plus/onlinerouting/OnlineRoutingHelper.java

@@ -82,12 +82,12 @@ public class OnlineRoutingHelper {
 	}
 
 	@Nullable
-	public OnlineRoutingResponse calculateRouteOnline(@NonNull OnlineRoutingEngine engine,
+	private OnlineRoutingResponse calculateRouteOnline(@NonNull OnlineRoutingEngine engine,
 	                                                   @NonNull List<LatLon> path,
 	                                                   boolean leftSideNavigation) throws IOException, JSONException {
 		String url = engine.getFullUrl(path);
 		String content = makeRequest(url);
-		return engine.parseServerResponse(content, leftSideNavigation);
+		return engine.parseServerResponse(content, app, leftSideNavigation);
 	}
 
 	@NonNull

OsmAnd/src/net/osmand/plus/onlinerouting/engine/GraphhopperEngine.java

@@ -5,6 +5,7 @@ import androidx.annotation.Nullable;
 
 import net.osmand.Location;
 import net.osmand.data.LatLon;
+import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.R;
 import net.osmand.plus.onlinerouting.EngineParameter;
 import net.osmand.plus.onlinerouting.OnlineRoutingResponse;
@@ -84,6 +85,7 @@ public class GraphhopperEngine extends OnlineRoutingEngine {
 	@Nullable
 	@Override
 	public OnlineRoutingResponse parseServerResponse(@NonNull String content,
+	                                                 @NonNull OsmandApplication app,
 	                                                 boolean leftSideNavigation) throws JSONException {
 		JSONObject obj = new JSONObject(content);
 		JSONObject root = obj.getJSONArray("paths").getJSONObject(0);
@@ -97,24 +99,24 @@ public class GraphhopperEngine extends OnlineRoutingEngine {
 		List<RouteDirectionInfo> directions = new ArrayList<>();
 		for (int i = 0; i < instructions.length(); i++) {
 			JSONObject item = instructions.getJSONObject(i);
-			int sign = Integer.parseInt(item.getString("sign"));
+			int sign = item.getInt("sign");
-			int distance = (int) Math.round(Double.parseDouble(item.getString("distance")));
+			int distance = (int) Math.round(item.getDouble("distance"));
 			String description = item.getString("text");
 			String streetName = item.getString("street_name");
-			int timeInSeconds = (int) Math.round(Integer.parseInt(item.getString("time")) / 1000f);
+			int timeInSeconds = Math.round(item.getInt("time") / 1000f);
 			JSONArray interval = item.getJSONArray("interval");
 			int startPointOffset = interval.getInt(0);
 			int endPointOffset = interval.getInt(1);
 
 			float averageSpeed = (float) distance / timeInSeconds;
 			TurnType turnType = identifyTurnType(sign, leftSideNavigation);
+			if (turnType == null) {
+				turnType = TurnType.straight();
+			}
 			// TODO turnType.setTurnAngle()
 
 			RouteDirectionInfo direction = new RouteDirectionInfo(averageSpeed, turnType);
 			direction.routePointOffset = startPointOffset;
-			if (turnType != null && turnType.isRoundAbout()) {
-				direction.routeEndPointOffset = endPointOffset;
-			}
 			direction.setDescriptionRoute(description);
 			direction.setStreetName(streetName);
 			direction.setDistance(distance);
@@ -143,7 +145,7 @@ public class GraphhopperEngine extends OnlineRoutingEngine {
 	 */
 	@Nullable
 	public static TurnType identifyTurnType(int sign, boolean leftSide) {
-		int id = INVALID_ID;
+		Integer id = null;
 
 		if (sign == -98) {
 			// an U-turn without the knowledge
@@ -192,6 +194,7 @@ public class GraphhopperEngine extends OnlineRoutingEngine {
 
 		} else if (sign == 4) {
 			// the finish instruction before the last point
+			id = TurnType.C;
 
 		} else if (sign == 5) {
 			// the instruction before a via point
@@ -209,6 +212,6 @@ public class GraphhopperEngine extends OnlineRoutingEngine {
 			id = TurnType.TRU;
 		}
 
-		return id != INVALID_ID ? TurnType.valueOf(id, leftSide) : null;
+		return id != null ? TurnType.valueOf(id, leftSide) : null;
 	}
 }

OsmAnd/src/net/osmand/plus/onlinerouting/engine/OnlineRoutingEngine.java

@@ -8,6 +8,7 @@ import androidx.annotation.Nullable;
 import net.osmand.GPXUtilities.WptPt;
 import net.osmand.Location;
 import net.osmand.data.LatLon;
+import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.R;
 import net.osmand.plus.onlinerouting.EngineParameter;
 import net.osmand.plus.onlinerouting.OnlineRoutingFactory;
@@ -33,7 +34,6 @@ public abstract class OnlineRoutingEngine implements Cloneable {
 
 	public final static String ONLINE_ROUTING_ENGINE_PREFIX = "online_routing_engine_";
 	public final static VehicleType CUSTOM_VEHICLE = new VehicleType("", R.string.shared_string_custom);
-	public final static int INVALID_ID = -1;
 
 	private final Map<String, String> params = new HashMap<>();
 	private final List<VehicleType> allowedVehicles = new ArrayList<>();
@@ -100,6 +100,7 @@ public abstract class OnlineRoutingEngine implements Cloneable {
 
 	@Nullable
 	public abstract OnlineRoutingResponse parseServerResponse(@NonNull String content,
+	                                                          @NonNull OsmandApplication app,
 	                                                          boolean leftSideNavigation) throws JSONException;
 
 	@NonNull

OsmAnd/src/net/osmand/plus/onlinerouting/engine/OrsEngine.java

@@ -5,6 +5,7 @@ import androidx.annotation.Nullable;
 
 import net.osmand.Location;
 import net.osmand.data.LatLon;
+import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.R;
 import net.osmand.plus.onlinerouting.EngineParameter;
 import net.osmand.plus.onlinerouting.OnlineRoutingResponse;
@@ -81,6 +82,7 @@ public class OrsEngine extends OnlineRoutingEngine {
 	@Nullable
 	@Override
 	public OnlineRoutingResponse parseServerResponse(@NonNull String content,
+	                                                 @NonNull OsmandApplication app,
 	                                                 boolean leftSideNavigation) throws JSONException {
 		JSONObject obj = new JSONObject(content);
 		JSONArray array = obj.getJSONArray("features").getJSONObject(0)

OsmAnd/src/net/osmand/plus/onlinerouting/engine/OsrmEngine.java

@@ -5,19 +5,27 @@ import androidx.annotation.Nullable;
 
 import net.osmand.Location;
 import net.osmand.data.LatLon;
+import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.R;
 import net.osmand.plus.onlinerouting.EngineParameter;
 import net.osmand.plus.onlinerouting.OnlineRoutingResponse;
 import net.osmand.plus.onlinerouting.VehicleType;
+import net.osmand.plus.routing.RouteCalculationResult;
+import net.osmand.plus.routing.RouteDirectionInfo;
+import net.osmand.router.TurnType;
 import net.osmand.util.GeoPolylineParserUtil;
+import net.osmand.util.MapUtils;
 
+import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
 import static net.osmand.util.Algorithms.isEmpty;
+import static net.osmand.util.Algorithms.objectEquals;
 
 public class OsrmEngine extends OnlineRoutingEngine {
 
@@ -70,17 +78,154 @@ public class OsrmEngine extends OnlineRoutingEngine {
 	@Nullable
 	@Override
 	public OnlineRoutingResponse parseServerResponse(@NonNull String content,
+	                                                 @NonNull OsmandApplication app,
 	                                                 boolean leftSideNavigation) throws JSONException {
 		JSONObject obj = new JSONObject(content);
-		String encoded = obj.getJSONArray("routes").getJSONObject(0).getString("geometry");
+		JSONObject routeInfo = obj.getJSONArray("routes").getJSONObject(0);
-		List<LatLon> points = GeoPolylineParserUtil.parse(encoded, GeoPolylineParserUtil.PRECISION_5);
+		String encodedPoints = routeInfo.getString("geometry");
-		if (!isEmpty(points)) {
+		List<LatLon> points = GeoPolylineParserUtil.parse(encodedPoints, GeoPolylineParserUtil.PRECISION_5);
+		if (isEmpty(points)) return null;
+
 		List<Location> route = convertRouteToLocationsList(points);
-			return new OnlineRoutingResponse(route, null);
+		List<RouteDirectionInfo> directions = new ArrayList<>();
+		int startSearchingId = 0;
+		JSONArray legs = routeInfo.getJSONArray("legs");
+		for (int i = 0; i < legs.length(); i++) {
+			JSONObject leg = legs.getJSONObject(i);
+			if (!leg.has("steps")) continue;
+
+			JSONArray steps = leg.getJSONArray("steps");
+			for (int j = 0; j < steps.length(); j++) {
+				JSONObject instruction = steps.getJSONObject(j);
+				JSONObject maneuver = instruction.getJSONObject("maneuver");
+				String maneuverType = maneuver.getString("type");
+
+				JSONArray location = maneuver.getJSONArray("location");
+				double lon = location.getDouble(0);
+				double lat = location.getDouble(1);
+				Integer routePointOffset = getLocationIndexInList(route, startSearchingId, lat, lon);
+				if (routePointOffset == null) continue;
+				startSearchingId = routePointOffset;
+
+				// in meters
+				int distance = (int) Math.round(instruction.getDouble("distance"));
+				// in seconds
+				int duration = (int) Math.round(instruction.getDouble("duration"));
+
+				float averageSpeed = (float) distance / duration;
+				TurnType turnType = parseTurnType(maneuver, leftSideNavigation);
+				RouteDirectionInfo direction = new RouteDirectionInfo(averageSpeed, turnType);
+				direction.setDistance(distance);
+
+				String streetName = instruction.getString("name");
+				String description = "";
+				if (!objectEquals(maneuverType, "arrive")) {
+					description = RouteCalculationResult.toString(turnType, app, false) + " " + streetName;
+				}
+				description = description.trim();
+
+				direction.setStreetName(streetName);
+				direction.setDescriptionRoute(description);
+				direction.routePointOffset = routePointOffset;
+				directions.add(direction);
+			}
+		}
+
+		return new OnlineRoutingResponse(route, directions);
+	}
+
+	@Nullable
+	private Integer getLocationIndexInList(@NonNull List<Location> locations,
+	                                       int startIndex, double lat, double lon) {
+		for (int i = startIndex; i < locations.size(); i++) {
+			Location l = locations.get(i);
+			if (MapUtils.areLatLonEqual(l, lat, lon)) {
+				return i;
+			}
 		}
 		return null;
 	}
 
+	@NonNull
+	private TurnType parseTurnType(@NonNull JSONObject maneuver,
+	                               boolean leftSide) throws JSONException {
+		TurnType turnType = null;
+
+		String type = maneuver.getString("type");
+		String modifier = null;
+		if (maneuver.has("modifier")) {
+			modifier = maneuver.getString("modifier");
+		}
+
+		if (objectEquals(type, "roundabout")
+				|| objectEquals(type, "rotary")
+				|| objectEquals(type, "roundabout turn")) {
+			if (maneuver.has("exit")) {
+				int exit = maneuver.getInt("exit");
+				turnType = TurnType.getExitTurn(exit, 0.0f, leftSide);
+			} else if (modifier != null) {
+				// for simple roundabout turn without "exit" parameter
+				turnType = identifyTurnType(modifier, leftSide);
+			}
+		} else {
+			// for other maneuver types find TurnType
+			// like a basic turn into direction of the modifier
+			if (modifier != null) {
+				turnType = identifyTurnType(modifier, leftSide);
+			}
+		}
+		if (turnType == null) {
+			turnType = TurnType.straight();
+		}
+
+		int bearingBefore = maneuver.getInt("bearing_before");
+		int bearingAfter = maneuver.getInt("bearing_after");
+		float angle = (float) MapUtils.degreesDiff(bearingAfter, bearingBefore);
+		turnType.setTurnAngle(angle);
+
+		return turnType;
+	}
+
+	@Nullable
+	private TurnType identifyTurnType(@NonNull String modifier,
+	                                  boolean leftSide) {
+		Integer id = null;
+		switch (modifier) {
+			case "uturn":
+				id = TurnType.TU;
+				break;
+
+			case "sharp right":
+				id = TurnType.TSHR;
+				break;
+
+			case "right":
+				id = TurnType.TR;
+				break;
+
+			case "slight right":
+				id = TurnType.TSLR;
+				break;
+
+			case "straight":
+				id = TurnType.C;
+				break;
+
+			case "slight left":
+				id = TurnType.TSLL;
+				break;
+
+			case "left":
+				id = TurnType.TL;
+				break;
+
+			case "sharp left":
+				id = TurnType.TSHL;
+				break;
+		}
+		return id != null ? TurnType.valueOf(id, leftSide) : null;
+	}
+
 	@Override
 	public boolean parseServerMessage(@NonNull StringBuilder sb,
 	                                  @NonNull String content) throws JSONException {

OsmAnd/src/net/osmand/plus/routing/RouteCalculationResult.java

@@ -711,7 +711,7 @@ public class RouteCalculationResult {
 		if (directions != null && directions.size() > 1) {
 			for (int i = 1; i < directions.size();) {
 				RouteDirectionInfo r = directions.get(i);
-				if (r.getTurnType() != null && r.getTurnType().getValue() == TurnType.C) {
+				if (r.getTurnType().getValue() == TurnType.C) {
 					RouteDirectionInfo prev = directions.get(i - 1);
 					prev.setAverageSpeed((prev.distance + r.distance)
 							/ (prev.distance / prev.getAverageSpeed() + r.distance / r.getAverageSpeed()));

OsmAnd/src/net/osmand/plus/routing/RouteProvider.java

@@ -1206,7 +1206,7 @@ public class RouteProvider {
 				helper.calculateRouteOnline(stringKey, getPathFromParams(params), params.leftSide);
 		if (response != null) {
 			params.intermediates = null;
-			return new RouteCalculationResult(response.getRoute(), response.getDirections(), params, null, true);
+			return new RouteCalculationResult(response.getRoute(), response.getDirections(), params, null, false);
 		} else {
 			return new RouteCalculationResult("Route is empty");
 		}