weather: fetch and expose precipitation and snowfall

background.html

@@ -2131,10 +2131,21 @@ window.weatherThemes = {
         }
 
         function fetchWeather() {
+            var WEATHER_CFG = (window.CONFIG && window.CONFIG.weather) || {};
+            var currentFields = ['temperature_2m', 'relative_humidity_2m', 'weather_code', 'wind_speed_10m', 'wind_direction_10m'];
+            var hourlyFields = ['temperature_2m', 'weather_code', 'wind_speed_10m', 'wind_direction_10m'];
+            if (WEATHER_CFG.precipitation !== false) {
+                currentFields.push('precipitation');
+                hourlyFields.push('precipitation');
+            }
+            if (WEATHER_CFG.snowfall !== false) {
+                currentFields.push('snowfall');
+                hourlyFields.push('snowfall');
+            }
             var url = 'https://api.open-meteo.com/v1/forecast?latitude=' + WEATHER_LAT +
                       '&longitude=' + WEATHER_LON +
-                      '&current=temperature_2m,relative_humidity_2m,weather_code,wind_speed_10m,wind_direction_10m' +
-                      '&hourly=temperature_2m,weather_code,wind_speed_10m,wind_direction_10m' +
+                      '&current=' + currentFields.join(',') +
+                      '&hourly=' + hourlyFields.join(',') +
                       '&daily=weather_code,temperature_2m_max,temperature_2m_min' +
                       '&timezone=Europe/Berlin&forecast_days=5';
 
@@ -2151,6 +2162,15 @@ window.weatherThemes = {
                         speedKmh: Number(data.current.wind_speed_10m || 0),
                         dirDeg: Number(data.current.wind_direction_10m || 0)
                     };
+                    window.__currentWeather = {
+                        code: Number(data.current.weather_code || 0),
+                        tempC: Number(data.current.temperature_2m || 0),
+                        humidity: Number(data.current.relative_humidity_2m || 0),
+                        precipMm: Number(data.current.precipitation || 0),
+                        snowMm: Number(data.current.snowfall || 0),
+                        windKmh: Number(data.current.wind_speed_10m || 0),
+                        windDirDeg: Number(data.current.wind_direction_10m || 0)
+                    };
                     // while the weather sim runs it owns the theme - a live
                     // poll must not override the configured test weather
                     if (!__weatherSimActive)
@@ -2171,6 +2191,15 @@ window.weatherThemes = {
                                     speedKmh: Number(rec.json.current.wind_speed_10m || 0),
                                     dirDeg: Number(rec.json.current.wind_direction_10m || 0)
                                 };
+                                window.__currentWeather = {
+                                    code: Number(rec.json.current.weather_code || 0),
+                                    tempC: Number(rec.json.current.temperature_2m || 0),
+                                    humidity: Number(rec.json.current.relative_humidity_2m || 0),
+                                    precipMm: Number(rec.json.current.precipitation || 0),
+                                    snowMm: Number(rec.json.current.snowfall || 0),
+                                    windKmh: Number(rec.json.current.wind_speed_10m || 0),
+                                    windDirDeg: Number(rec.json.current.wind_direction_10m || 0)
+                                };
                                 if (!__weatherSimActive)
                                     setWeatherTheme(getWeatherThemeName(currentWeatherCode));
                                 updateWeatherDisplay();
@@ -2234,6 +2263,15 @@ window.weatherThemes = {
                         dirDeg: Number(hourly.wind_direction_10m[curIdx] || 0)
                     };
                 }
+                window.__currentWeather = {
+                    code: Number(curCode || 0),
+                    tempC: Number(curTemp || 0),
+                    humidity: Number(current.relative_humidity_2m || 0),
+                    precipMm: Number((hourly.precipitation && hourly.precipitation[curIdx]) || 0),
+                    snowMm: Number((hourly.snowfall && hourly.snowfall[curIdx]) || 0),
+                    windKmh: Number(window.__currentWind ? window.__currentWind.speedKmh : 0),
+                    windDirDeg: Number(window.__currentWind ? window.__currentWind.dirDeg : 0)
+                };
                 if (!__weatherSimActive && curCode !== currentWeatherCode) {
                     currentWeatherCode = curCode;
                     setWeatherTheme(getWeatherThemeName(curCode));
@@ -2256,6 +2294,15 @@ window.weatherThemes = {
                 speedKmh: Number(curWindSpeed || 0),
                 dirDeg: Number(curWindDir || 0)
             };
+            window.__currentWeather = {
+                code: Number(curCode || 0),
+                tempC: Number(curTemp || 0),
+                humidity: Number(current.relative_humidity_2m || 0),
+                precipMm: Number(current.precipitation || 0),
+                snowMm: Number(current.snowfall || 0),
+                windKmh: Number(curWindSpeed || 0),
+                windDirDeg: Number(curWindDir || 0)
+            };
             var windDisplay = currentUnits === 'imperial'
                 ? Math.round(curWindSpeed * 0.621371) + ' mph'
                 : Math.round(curWindSpeed) + ' km/h';

config.js

@@ -105,6 +105,19 @@ window.CONFIG = {
     weatherSimInterval: 30000,    // ms per weather step when weatherSim is true
     // weatherSim: true, weatherSimInterval: 15000
 
+    // ------------------------------------------------------------------
+    // Weather data
+    // ------------------------------------------------------------------
+    // Open-Meteo fields used by the scene. These knobs only control which
+    // optional weather values are requested and exposed as window.__currentWeather.
+    weather: {
+        precipitation: true,      // mm/h total precipitation
+        snowfall: true,           // cm/h snowfall
+        hourly: true,             // use hourly values for the simulated clock
+        // weather: { precipitation: false, snowfall: false, hourly: false }
+        // weather: { precipitation: true, snowfall: true }
+    },
+
     // ------------------------------------------------------------------
     // Tiles and caches
     // ------------------------------------------------------------------