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leaflet-example.html
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leaflet-example.html
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<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.js"></script>
<style>
.leaflet-container {
background: #000;
}
#map {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: 0;
}
#controls {
position: absolute;
top: 10px;
right: 10px;
z-index: 1;
}
.sector-label {
width: auto !important;
height: auto !important;
color: white;
background: rgba(0, 0, 0, 0.5);
padding: 5px;
}
</style>
</head>
<body>
<div id="map"></div>
<div id="controls">
<select id="continent"></select>
<select id="floor"></select>
</div>
<script>
"use strict";
var apiBase = "https://api.guildwars2.com/v2",
map = L.map("map", {
minZoom : 1,
maxZoom : 7,
crs : L.CRS.Simple
});
function unproject(coord) {
return map.unproject(coord, map.getMaxZoom());
}
function unprojectRect(rect) {
return [
unproject(rect[0]),
unproject(rect[1])
];
}
function clearChildren($node) {
while($node.firstChild) {
$node.removeChild($node.firstChild);
}
}
function fieldSort(field, a, b) {
if(a[field] < b[field]) {
return -1;
} else if(a[field] > b[field]) {
return 1;
} else {
return 0;
}
}
window.addEventListener("load", () => {
var $continent = document.querySelector("#continent"),
$floor = document.querySelector("#floor"),
allContinents,
allObjectives,
allFloors,
fileIcons;
fetch(`${apiBase}/wvw/objectives?ids=all`)
.then((res) => res.json())
.then((res) => {
allObjectives = res;
});
fetch(`${apiBase}/files?ids=all`)
.then((res) => res.json())
.then((res) => {
var fileMapping = {
map_poi : "landmark",
map_vista : "vista",
map_waypoint : "waypoint",
map_dungeon : "unlock",
map_heropoint : "heropoint",
map_heart_full : "heart",
wvw_camp : "Camp",
wvw_tower : "Tower",
wvw_keep : "Keep",
wvw_castle : "Castle"
};
fileIcons = res.reduce(
(a, x) => {
if(x.id in fileMapping) {
a[fileMapping[x.id]] = L.icon({
iconUrl : x.icon,
iconSize : [ 32, 32 ],
iconAnchor : [ 16, 16 ]
});
}
return a;
},
{}
);
});
fetch(`${apiBase}/continents?page=0`)
.then((res) => res.json())
.then((res) => {
clearChildren($continent);
res = res.sort(fieldSort.bind(null, "id"));
res.forEach((cont) => {
var $elem = document.createElement("option");
$elem.value = cont.id;
$elem.innerHTML = cont.name;
$continent.appendChild($elem);
});
allContinents = res.reduce(
(a, x) => {
a[x.id] = x;
return a;
},
{}
);
$continent.dispatchEvent(new Event("change"));
});
$continent.addEventListener("change", () => {
var id = parseInt($continent.value, 10);
fetch(`${apiBase}/continents/${id}/floors?ids=all`)
.then((res) => res.json())
.then((res) => {
clearChildren($floor);
res = res.sort(fieldSort.bind(null, "id"));
res.forEach((floor) => {
var $elem = document.createElement("option");
$elem.value = floor.id;
$elem.innerHTML = floor.id;
if(floor.id == 1) {
$elem.selected = "selected";
}
$floor.appendChild($elem);
});
allFloors = res.reduce(
(a, x) => {
a[x.id] = x;
return a;
},
{}
);
$floor.dispatchEvent(new Event("change"));
});
});
$floor.addEventListener("change", () => {
var continentId = parseInt($continent.value, 10),
floorId = parseInt($floor.value, 10),
floor = allFloors[floorId],
northEast, southWest;
if(!floor) {
return console.error(`Invalid floor ${floorId}`);
}
map.eachLayer((layer) => map.removeLayer(layer));
map.setView([0, 0], 0);
map.options.minZoom = continent.min_zoom;
map.options.maxZoom = continent.max_zoom;
northEast = unproject(floor.clamped_view ? floor.clamped_view[0] : [ 0, 0 ]);
southWest = unproject(floor.clamped_view ? floor.clamped_view[1] : floor.texture_dims);
map.setMaxBounds(new L.LatLngBounds(southWest, northEast));
// NOTE: You can omit the {s} and subdomains option to use only
// tiles.guildwars2.com -- having multiple subdomains increases the
// number of images a browser will load concurrency and may yield
// better performance (though there have been historic issues with
// this when tiles are updated).
L.tileLayer(`https://tiles{s}.guildwars2.com/${continentId}/${floorId}/{z}/{x}/{y}.jpg`, {
minZoom : continent.min_zoom,
maxZoom : continent.max_zoom,
continuousWorld : true,
errorTileUrl : "leaflet-missing-tile.png",
zoomAnimationThreshold : 8,
subdomains : [ 1, 2, 3, 4 ]
}).addTo(map);
if(continentId == 2 && floorId > 0 && floorId < 4) {
allObjectives.forEach((obj) => {
var icon;
if(!obj.coord) {
return;
}
if(obj.marker) {
icon = L.icon({
iconUrl : obj.marker,
iconSize : [ 32, 32 ]
});
} else {
icon = fileIcons[obj.type];
}
if(!icon) {
return;
}
L.marker(unproject(obj.coord.slice(0, 2)), {
icon : icon
}).addTo(map);
});
}
Object.keys(floor.regions).forEach((regionId) => {
var region = floor.regions[regionId];
Object.keys(region.maps).forEach((mapId) => {
var map2 = region.maps[mapId];
L.rectangle(unprojectRect(region.continent_rect), {
title : region.name,
color : "rgba(255, 255, 255, 0)",
weight : 0.2
}).addTo(map);
Object.keys(map2.points_of_interest).forEach((poiId) => {
var poi = map2.points_of_interest[poiId];
L.marker(unproject(poi.coord), {
icon : fileIcons[poi.type],
title : poi.name,
alt : poi.name
}).addTo(map);
});
map2.skill_challenges.forEach((chal) => {
L.marker(unproject(chal.coord), {
icon : fileIcons["heropoint"]
}).addTo(map);
});
Object.keys(map2.tasks).forEach((taskId) => {
var task = map2.tasks[taskId];
L.marker(unproject(task.coord), {
icon : fileIcons["heart"],
title : task.objective,
alt : task.objective
}).addTo(map);
});
Object.keys(map2.sectors).forEach((sectorId) => {
var sector = map2.sectors[sectorId];
if(!sector.bounds) {
return;
}
L.polyline(sector.bounds.map((x) => unproject(x)), {
color : "yellow"
}).addTo(map);
if(sector.name) {
L.marker(unproject(sector.coord), {
icon : L.divIcon({
className : "sector-label",
html : sector.name
})
}).addTo(map);
}
});
});
});
});
});
</script>
</body>
</html>