X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/16f5a5ac0c674b258996fcbde1c3fda2e651906a..392b68a65fd6ffa521b89e079b234bb0241380d3:/app/assets/javascripts/index/directions/osrm.js?ds=sidebyside diff --git a/app/assets/javascripts/index/directions/osrm.js b/app/assets/javascripts/index/directions/osrm.js index 2ee9da12b..69191e65a 100644 --- a/app/assets/javascripts/index/directions/osrm.js +++ b/app/assets/javascripts/index/directions/osrm.js @@ -2,100 +2,161 @@ // Doesn't yet support hints function OSRMEngine() { - var previousPoints, hintData; + var cachedHints = []; return { id: "osrm_car", creditline: 'OSRM', draggable: true, + _transformSteps: function(input_steps, line) { + var INSTRUCTION_TEMPLATE = { + 'continue': 'javascripts.directions.instructions.continue', + 'merge right': 'javascripts.directions.instructions.merge_right', + 'merge left': 'javascripts.directions.instructions.merge_left', + 'off ramp right': 'javascripts.directions.instructions.offramp_right', + 'off ramp left': 'javascripts.directions.instructions.offramp_left', + 'on ramp right': 'javascripts.directions.instructions.onramp_right', + 'on ramp left': 'javascripts.directions.instructions.onramp_left', + 'fork right': 'javascripts.directions.instructions.fork_right', + 'fork left': 'javascripts.directions.instructions.fork_left', + 'end of road right': 'javascripts.directions.instructions.endofroad_right', + 'end of road left': 'javascripts.directions.instructions.endofroad_left', + 'turn straight': 'javascripts.directions.instructions.continue', + 'turn slight right': 'javascripts.directions.instructions.slight_right', + 'turn right': 'javascripts.directions.instructions.turn_right', + 'turn sharp right': 'javascripts.directions.instructions.sharp_right', + 'turn uturn': 'javascripts.directions.instructions.uturn', + 'turn sharp left': 'javascripts.directions.instructions.sharp_left', + 'turn left': 'javascripts.directions.instructions.turn_left', + 'turn slight left': 'javascripts.directions.instructions.slight_left', + 'roundabout': 'javascripts.directions.instructions.roundabout', + 'rotary': 'javascripts.directions.instructions.roundabout', + 'depart': 'javascripts.directions.instructions.start', + 'arrive': 'javascripts.directions.instructions.destination', + }; + var ICON_MAP = { + 'continue': 0, + 'merge right': 21, + 'merge left': 20, + 'off ramp right': 24, + 'off ramp left': 25, + 'on ramp right': 2, + 'on ramp left': 6, + 'fork right': 18, + 'fork left': 19, + 'end of road right': 22, + 'end of road left': 23, + 'turn straight': 0, + 'turn slight right': 1, + 'turn right': 2, + 'turn sharp right': 3, + 'turn uturn': 4, + 'turn slight left': 5, + 'turn left': 6, + 'turn sharp left': 7, + 'roundabout': 10, + 'rotary': 10, + 'depart': 8, + 'arrive': 14 + }; + var transformed_steps = input_steps.map(function(step, idx) { + var maneuver_id; + + // special case handling + switch (step.maneuver.type) { + case 'on ramp': + case 'off ramp': + case 'merge': + case 'end of road': + case 'fork': + maneuver_id = step.maneuver.type + ' ' + (step.maneuver.modifier.indexOf('left') >= 0 ? 'left' : 'right'); + break; + case 'depart': + case 'arrive': + case 'roundabout': + case 'rotary': + maneuver_id = step.maneuver.type; + break; + case 'roundabout turn': + case 'turn': + maneuver_id = "turn " + step.maneuver.modifier; + break; + // for unknown types the fallback is turn + default: + maneuver_id = "turn " + step.maneuver.modifier; + break; + } + var template = INSTRUCTION_TEMPLATE[maneuver_id]; + + // convert lat,lng pairs to LatLng objects + var step_geometry = L.PolylineUtil.decode(step.geometry, { precision: 5 }).map(function(a) { return L.latLng(a); }) ; + // append step_geometry on line + Array.prototype.push.apply(line, step_geometry); + + var instText = "" + (idx + 1) + ". "; + var name = step.name ? "" + step.name + "" : I18n.t('javascripts.directions.instructions.unnamed'); + if (step.maneuver.type.match(/rotary|roundabout/)) { + instText += I18n.t(template + '_with_exit', { exit: step.maneuver.exit, name: name } ); + } else { + instText += I18n.t(template + '_without_exit', { name: name }); + } + return [[step.maneuver.location[1], step.maneuver.location[0]], ICON_MAP[maneuver_id], instText, step.distance, step_geometry]; + }); + + return transformed_steps; + }, + getRoute: function (points, callback) { - var TURN_INSTRUCTIONS = [ - "", - 'javascripts.directions.instructions.continue', // 1 - 'javascripts.directions.instructions.slight_right', // 2 - 'javascripts.directions.instructions.turn_right', // 3 - 'javascripts.directions.instructions.sharp_right', // 4 - 'javascripts.directions.instructions.uturn', // 5 - 'javascripts.directions.instructions.sharp_left', // 6 - 'javascripts.directions.instructions.turn_left', // 7 - 'javascripts.directions.instructions.slight_left', // 8 - 'javascripts.directions.instructions.via_point', // 9 - 'javascripts.directions.instructions.follow', // 10 - 'javascripts.directions.instructions.roundabout', // 11 - 'javascripts.directions.instructions.leave_roundabout', // 12 - 'javascripts.directions.instructions.stay_roundabout', // 13 - 'javascripts.directions.instructions.start', // 14 - 'javascripts.directions.instructions.destination', // 15 - 'javascripts.directions.instructions.against_oneway', // 16 - 'javascripts.directions.instructions.end_oneway', // 17 - 'javascripts.directions.instructions.ferry' // 18 - ]; var params = [ - { name: "z", value: "14" }, - { name: "output", value: "json" }, - { name: "instructions", value: true } + { name: "overview", value: "false" }, + { name: "geometries", value: "polyline" }, + { name: "steps", value: true } ]; - for (var i = 0; i < points.length; i++) { - params.push({ name: "loc", value: points[i].lat + "," + points[i].lng }); - if (hintData && previousPoints && previousPoints[i].equals(points[i])) { - params.push({ name: "hint", value: hintData.locations[i] }); - } + if (cachedHints.length === points.length) { + params.push({name: "hints", value: cachedHints.join(";")}); + } else { + // invalidate cache + cachedHints = []; } - if (hintData && hintData.checksum) { - params.push({ name: "checksum", value: hintData.checksum }); - } + var encoded_coords = points.map(function(p) { + return p.lng + ',' + p.lat; + }).join(';'); + + var req_url = document.location.protocol + OSM.OSRM_URL + encoded_coords; + + var onResponse = function (data) { + if (data.code !== 'Ok') + return callback(true); + + cachedHints = data.waypoints.map(function(wp) { + return wp.hint; + }); + + var line = []; + var transformLeg = function (leg) { + return this._transformSteps(leg.steps, line); + }; + + var steps = [].concat.apply([], data.routes[0].legs.map(transformLeg.bind(this))); + + callback(false, { + line: line, + steps: steps, + distance: data.routes[0].distance, + time: data.routes[0].duration + }); + }; return $.ajax({ - url: document.location.protocol + OSM.OSRM_URL, + url: req_url, data: params, dataType: "json", - success: function (data) { - if (data.status === 207) - return callback(true); - - previousPoints = points; - hintData = data.hint_data; - - var line = L.PolylineUtil.decode(data.route_geometry, { - precision: 6 - }); - - var steps = []; - for (i = 0; i < data.route_instructions.length; i++) { - var s = data.route_instructions[i]; - var linesegend; - var instCodes = s[0].split('-'); - if (s[8] === 2) { - /* indicates a ferry in car routing mode, see https://github.com/Project-OSRM/osrm-backend/blob/6cbbd1e5a1b441eb27055f56956e1bac14832a58/profiles/car.lua#L151 */ - instCodes = ["18"]; - } - var instText = "" + (i + 1) + ". "; - var name = s[1] ? "" + s[1] + "" : I18n.t('javascripts.directions.instructions.unnamed'); - if (instCodes[0] === "11" && instCodes[1]) { - instText += I18n.t(TURN_INSTRUCTIONS[instCodes[0]] + '_with_exit', { exit: instCodes[1], name: name } ); - } else { - instText += I18n.t(TURN_INSTRUCTIONS[instCodes[0]] + '_without_exit', { name: name }); - } - if ((i + 1) < data.route_instructions.length) { - linesegend = data.route_instructions[i + 1][3] + 1; - } else { - linesegend = s[3] + 1; - } - steps.push([line[s[3]], instCodes[0], instText, s[2], line.slice(s[3], linesegend)]); - } - - callback(false, { - line: line, - steps: steps, - distance: data.route_summary.total_distance, - time: data.route_summary.total_time - }); - }, + success: onResponse.bind(this), error: function () { callback(true); }