Makes the wplaces underlay map dark. It's a natural color dark theme with adjustable colors. Default map colors are inspired by the OsmAnd app.
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// ==UserScript==
// @name Wplace dark map theme with color options
// @namespace Zex2
// @version 2.0
// @description Makes the wplaces underlay map dark. It's a natural color dark theme with adjustable colors. Default map colors are inspired by the OsmAnd app.
// @match *://*.wplace.live/*
// @license MIT
// @author Zex2
// @grant none
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
const DEBUG = false;
const COLORS = {
land: '#101922',
water: '#16324f',
park: '#333927',
road: '#32555b',
building: '#2f2f2f',
border: '#555555',
farmland: '#192c30',
wetland: '#1e3a34',
forest: '#1b2e24',
grass: '#1a2f29',
text: '#000000', // label/icon color
textBorder: '#ffffff' // label halo/border color
};
// Optional live-tweak hooks
window.MAP_TEXT_COLOR = COLORS.text;
window.MAP_TEXT_BORDER_COLOR = COLORS.textBorder;
function maybeTransformStyle(obj) {
if (!obj || typeof obj !== 'object') return obj;
const looksLikeStyle = (obj.version === 8 || obj.version === 9) && Array.isArray(obj.layers);
if (!looksLikeStyle) return obj;
try {
const out = JSON.parse(JSON.stringify(obj));
out.layers.forEach(layer => {
const id = (layer.id || '').toLowerCase();
const type = layer.type || '';
layer.paint = layer.paint || {};
if (type === 'background') {
layer.paint['background-color'] = COLORS.land;
return;
}
if (id.includes('water')) {
if (type === 'fill') layer.paint['fill-color'] = COLORS.water;
if (type === 'line') layer.paint['line-color'] = COLORS.water;
}
if (id.includes('park') || id.includes('green') || id.includes('landuse')) {
if (type === 'fill') layer.paint['fill-color'] = COLORS.park;
}
if (id.includes('farmland') || id.includes('crop')) {
if (type === 'fill') layer.paint['fill-color'] = COLORS.farmland;
}
if (id.includes('forest') || id.includes('wood') || id.includes('trees')) {
if (type === 'fill') layer.paint['fill-color'] = COLORS.forest;
}
if (id.includes('grass') || id.includes('lawn') || id.includes('meadow')) {
if (type === 'fill') layer.paint['fill-color'] = COLORS.grass;
}
if (id.includes('wetland') || id.includes('swamp') || id.includes('marsh')) {
if (type === 'fill') {
delete layer.paint['fill-pattern'];
layer.paint['fill-color'] = COLORS.wetland;
}
}
if (id.includes('building')) {
if (type === 'fill') layer.paint['fill-color'] = COLORS.building;
if (type === 'fill-extrusion') {
layer.paint['fill-extrusion-color'] = COLORS.building;
if (typeof layer.paint['fill-extrusion-opacity'] === 'undefined') {
layer.paint['fill-extrusion-opacity'] = 0.9;
}
}
}
if (type === 'line' && (id.includes('road') || id.includes('highway') || id.includes('street'))) {
layer.paint['line-color'] = COLORS.road;
}
if (type === 'line' && (id.includes('border') || id.includes('admin') || id.includes('boundary'))) {
layer.paint['line-color'] = COLORS.border;
}
if (type === 'symbol') {
if (layer.layout && layer.layout['text-field']) {
layer.paint['text-color'] = window.MAP_TEXT_COLOR || COLORS.text;
layer.paint['text-halo-color'] = window.MAP_TEXT_BORDER_COLOR || COLORS.textBorder;
layer.paint['text-halo-width'] = layer.paint['text-halo-width'] || 1.0;
}
if (layer.layout && layer.layout['icon-image']) {
layer.paint['icon-color'] = window.MAP_TEXT_COLOR || COLORS.text;
}
}
});
const hasBackground = out.layers.some(l => l.type === 'background');
if (!hasBackground) {
out.layers.unshift({
id: 'zbg',
type: 'background',
paint: { 'background-color': COLORS.land }
});
}
return out;
} catch (e) {
if (DEBUG) console.debug('[Theme] Transform failed:', e);
return obj;
}
}
function cloneHeadersWithJSON(orig) {
const h = new Headers();
try {
orig.forEach((v, k) => {
if (k.toLowerCase() !== 'content-length') h.set(k, v);
});
} catch (_) {}
h.set('content-type', 'application/json; charset=utf-8');
return h;
}
const origJson = Response.prototype.json;
Response.prototype.json = function () {
return origJson.call(this).then(obj => {
const transformed = maybeTransformStyle(obj);
if (DEBUG && transformed !== obj) console.debug('[Theme] Style transformed via Response.json');
return transformed;
});
};
const origFetch = window.fetch;
window.fetch = async function (...args) {
const res = await origFetch.apply(this, args);
try {
const url = args[0] instanceof Request ? args[0].url : String(args[0]);
const ct = (res.headers.get('content-type') || '').toLowerCase();
const likelyJSON = ct.includes('application/json') || /\.json(\?|#|$)/i.test(url);
if (!likelyJSON) return res;
const clone = res.clone();
const obj = await origJson.call(clone).catch(() => null);
const transformed = maybeTransformStyle(obj);
if (transformed && transformed !== obj) {
if (DEBUG) console.debug('[Theme] Style transformed via fetch for', url);
const headers = cloneHeadersWithJSON(res.headers);
const body = JSON.stringify(transformed);
return new Response(body, {
status: res.status,
statusText: res.statusText,
headers
});
}
} catch (e) {
if (DEBUG) console.debug('[Theme] fetch hook error:', e);
}
return res;
};
const tryPatchSetStyle = () => {
const lib = window.maplibregl || window.mapboxgl;
if (!lib || !lib.Map || !lib.Map.prototype) return false;
const proto = lib.Map.prototype;
if (proto.__themed__) return true;
const origSetStyle = proto.setStyle;
proto.setStyle = function (style, options) {
const transformed = typeof style === 'object' ? maybeTransformStyle(style) : style;
return origSetStyle.call(this, transformed, options);
};
proto.__themed__ = true;
if (DEBUG) console.debug('[Theme] Patched Map.setStyle');
return true;
};
const int = setInterval(() => {
if (tryPatchSetStyle()) clearInterval(int);
}, 50);
})();