// ==UserScript==
// @name WME Open GMaps Editor
// @namespace https://github.com/WazeDev/wme-open-gmaps-editor
// @version 0.0.6
// @description Opens the Google Maps editor based on WME's map center.
// @author Gavin Canon-Phratsachack (https://github.com/gncnpk)
// @match https://beta.waze.com/*editor*
// @match https://www.waze.com/*editor*
// @exclude https://www.waze.com/*user/*editor/*
// @exclude https://www.waze.com/discuss/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=waze.com
// @license MIT
// @contributionURL https://github.com/WazeDev/Thank-The-Authors
// @grant none
// ==/UserScript==
(function() {
'use strict';
let wmeSdk;
const zoomLevels = {
1: 52428800,
2: 26214400,
3: 13107200,
4: 6553600,
5: 3276800,
6: 1638400,
7: 819200,
8: 409600,
9: 204800,
10: 102400,
11: 51200,
12: 25600,
13: 12800,
14: 6400,
15: 3200,
16: 1600,
17: 800,
18: 400,
19: 200,
20: 100,
21: 50,
22: 25
}
function encodeProtobufToBase64({
latitude,
longitude,
zoomLevel,
sequenceNumber,
url
} = {}) {
// Helper function to encode varint - EXACT ORIGINAL
function encodeVarint(value) {
const bytes = [];
while (value >= 0x80) {
bytes.push((value & 0xFF) | 0x80);
value >>>= 7;
}
bytes.push(value & 0xFF);
return new Uint8Array(bytes);
}
// Helper function to encode 64-bit fixed (double)
function encodeFixed64(value) {
const buffer = new ArrayBuffer(8);
const view = new DataView(buffer);
view.setFloat64(0, value, true); // little endian
return new Uint8Array(buffer);
}
// Helper function to encode 32-bit fixed (uint32)
function encodeFixed32(value) {
const buffer = new ArrayBuffer(4);
const view = new DataView(buffer);
view.setUint32(0, value, true); // little endian
return new Uint8Array(buffer);
}
// Helper function to encode length-delimited data
function encodeLengthDelimited(data) {
const length = encodeVarint(data.length);
const result = new Uint8Array(length.length + data.length);
result.set(length, 0);
result.set(data, length.length);
return result;
}
// Helper function to encode string
function encodeString(str) {
const encoder = new TextEncoder();
const data = encoder.encode(str);
return encodeLengthDelimited(data);
}
// Helper function to encode field header (field number + wire type)
function encodeFieldHeader(fieldNumber, wireType) {
return encodeVarint((fieldNumber << 3) | wireType);
}
// Helper function to concatenate Uint8Arrays
function concatUint8Arrays(...arrays) {
const totalLength = arrays.reduce((sum, arr) => sum + arr.length, 0);
const result = new Uint8Array(totalLength);
let offset = 0;
for (const arr of arrays) {
result.set(arr, offset);
offset += arr.length;
}
return result;
}
// Wire types
const VARINT = 0;
const FIXED64 = 1;
const LENGTH_DELIMITED = 2;
const FIXED32 = 5;
try {
// Encode the inner coordinate message (field 1.1)
const coordMessage = concatUint8Arrays(
encodeFieldHeader(2, FIXED64), encodeFixed64(longitude),
encodeFieldHeader(3, FIXED64), encodeFixed64(latitude)
);
// Encode the dimensions message (field 1.3)
const dimensionsMessage = concatUint8Arrays(
encodeFieldHeader(1, VARINT), encodeVarint(1920),
encodeFieldHeader(2, VARINT), encodeVarint(957)
);
// Encode the main nested message (field 1)
const mainMessage = concatUint8Arrays(
encodeFieldHeader(1, LENGTH_DELIMITED), encodeLengthDelimited(coordMessage),
encodeFieldHeader(3, LENGTH_DELIMITED), encodeLengthDelimited(dimensionsMessage),
encodeFieldHeader(4, FIXED32), encodeFixed32(zoomLevels[zoomLevel])
);
// Encode the complete protobuf message
const completeMessage = concatUint8Arrays(
encodeFieldHeader(1, LENGTH_DELIMITED), encodeLengthDelimited(mainMessage),
encodeFieldHeader(2, VARINT), encodeVarint(sequenceNumber),
encodeFieldHeader(4, LENGTH_DELIMITED), encodeString(url)
);
// Convert to URL-safe Base64
const base64String = btoa(String.fromCharCode(...completeMessage))
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=/g, '');
return base64String;
} catch (error) {
console.error('Error encoding protobuf:', error);
return null;
}
}
function waitForElm(selector) {
return new Promise(resolve => {
if (document.querySelector(selector)) {
return resolve(document.querySelector(selector));
}
const observer = new MutationObserver(mutations => {
if (document.querySelector(selector)) {
observer.disconnect();
resolve(document.querySelector(selector));
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
});
}
window.SDK_INITIALIZED.then(initialize)
async function initialize() {
wmeSdk = await getWmeSdk({
scriptId: 'wme-open-gmaps-editor',
scriptName: 'WME Open GMaps Editor'
})
wmeSdk.Events.on({
eventHandler: replaceGoogleLink,
eventName: "wme-map-move-end"
})
wmeSdk.Events.on({
eventHandler: replaceGoogleLink,
eventName: "wme-map-zoom-changed"
})
let GMELink = document.createElement("a");
GMELink.id = "wme-open-gmaps-editor-url";
GMELink.target = "_blank";
let img = document.createElement("img");
img.src = "https://upload.wikimedia.org/wikipedia/commons/a/aa/Google_Maps_icon_%282020%29.svg";
img.style = "margin-right: 12px;margin-left: 12px;width: 16px;";
img.title = "Open in Google Maps Editor (GME)"
GMELink.appendChild(img);
waitForElm('.secondary-toolbar-actions').then((elm) => {
let toolbar = document.getElementsByClassName("secondary-toolbar-actions")[0];
toolbar.insertBefore(GMELink, toolbar.children[0]);
replaceGoogleLink();
});
}
function replaceGoogleLink() {
const coords = wmeSdk.Map.getMapCenter();
const mapZoom = wmeSdk.Map.getZoomLevel();
const trafficMapLayer_DO = "!5m1!1e1"
const mapFixDialog_DO = "!10m1!1e3"
let mapUrl = `https://www.google.com/maps/place/@${coords.lat},${coords.lon},${zoomLevels[mapZoom]}m/data=${trafficMapLayer_DO}${mapFixDialog_DO}`
const base64Data = encodeProtobufToBase64({
latitude: coords.lat,
longitude: coords.lon,
zoomLevel: mapZoom,
sequenceNumber: 10,
url: mapUrl
});
if (base64Data) {
let url = `https://maps.google.com/roadeditor/iframe?bpb=${base64Data}`
document.getElementById("wme-open-gmaps-editor-url").href = url;
} else {
console.error('Failed to encode protobuf data');
}
}
})();
