use http json api for weather
This commit is contained in:
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@ -47,8 +47,26 @@ size_t FONT_LOCATIONS_LENGTH = sizeof(FONT_LOCATIONS)/sizeof(FONT_LOCATIONS[0]);
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// const FONT_SIZE _font_size;
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//};
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const FONT_SIZE_STRING CONST_STRINGS[] = {
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//Weather strings
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//Overlay strings
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{ "Weather", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Wireless", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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//Weather strings
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{ "Clear Skies", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Slightly cloudy", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Moderately cloudy", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Very cloudy", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Very humid", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Light rain", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Rain", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Overcast with showers", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Moderate showers", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Light snow", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Moderate snow", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Rain and snow", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Currently,", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Tommorow,", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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{ "Day after,", { "Roboto_Mono/RobotoMono-Medium.ttf", 50 } },
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};
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size_t CONST_STRINGS_LENGTH = sizeof(CONST_STRINGS)/sizeof(CONST_STRINGS[0]);
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@ -19,8 +19,32 @@ weather::weather(){
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_update_interval = std::chrono::milliseconds{WEATHER_UPDATE_INTERVAL};
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_texture = nullptr;
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_title = WEATHER_TITLE;
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//let set to default, will make it so it updates the texture ASAP
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//_last_update;
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api_curl = nullptr;
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weather_string["clearday"] = WEATHER_CLEAR_DAY;
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weather_string["clearnight"] = WEATHER_CLEAR_NIGHT;
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weather_string["pcloudyday"] = WEATHER_PCLOUDY_DAY;
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weather_string["pcloudynight"] = WEATHER_PCLOUDY_NIGHT;
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weather_string["mcloudyday"] = WEATHER_MCLOUDY_DAY;
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weather_string["mcloudynight"] = WEATHER_MCLOUDY_NIGHT;
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weather_string["cloudyday"] = WEATHER_CLOUDY_DAY;
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weather_string["cloudynight"] = WEATHER_CLOUDY_NIGHT;
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weather_string["humidday"] = WEATHER_HUMID_DAY;
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weather_string["humidnight"] = WEATHER_HUMID_NIGHT;
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weather_string["lightrainday"] = WEATHER_LRAIN_DAY;
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weather_string["lightrainnight"] = WEATHER_LRAIN_NIGHT;
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weather_string["rainday"] = WEATHER_RAIN_DAY;
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weather_string["rainnight"] = WEATHER_RAIN_NIGHT;
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weather_string["oshowerday"] = WEATHER_OSHOWER_DAY;
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weather_string["oshowernight"] = WEATHER_OSHOWER_NIGHT;
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weather_string["ishowerday"] = WEATHER_ISHOWER_DAY;
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weather_string["ishowernight"] = WEATHER_ISHOWER_NIGHT;
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weather_string["lightsnowday"] = WEATHER_LSNOW_DAY;
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weather_string["lightsnownight"] = WEATHER_LSNOW_NIGHT;
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weather_string["snowday"] = WEATHER_SNOW_DAY;
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weather_string["snownight"] = WEATHER_SNOW_NIGHT;
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weather_string["rainsnowday"] = WEATHER_RAINSNOW_DAY;
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weather_string["rainsnownight"] = WEATHER_RAINSNOW_NIGHT;
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}
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weather::~weather(){
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@ -65,19 +89,49 @@ void weather::update() {
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_last_update = std::chrono::high_resolution_clock::now();
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//fetch updates
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//do curl setup and cleanup
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//We cleanup after each operation to save on memory.
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//This is because by default we only fetch every hour
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if(api_curl == nullptr){
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std::cerr << "GRABING WEATHER DATA\n";
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api_curl = curl_easy_init();
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curl_easy_setopt(api_curl, CURLOPT_URL, WEATHER_URL_SOURCE);
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curl_easy_setopt(api_curl, CURLOPT_WRITEFUNCTION,
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dashboard::panel::weather::curl_callback);
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curl_easy_setopt(api_curl, CURLOPT_WRITEDATA, &json_string);
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CURLcode res = curl_easy_perform(api_curl);
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curl_easy_cleanup(api_curl);
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api_curl = nullptr;
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}
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//prase the response
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json_doc.Parse(json_string.c_str());
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//update internal state
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current_desc = "CURRENT DESC PLACEHOLDER";
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tommorow_desc = "TOMMOROW DESC PLACEHOLDER";
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const rapidjson::Value& curr_entry = json_doc["dataseries"];
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//get all entries
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weather_today = &weather_string.at(curr_entry[0]["weather"].GetString());
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weather_tommorow = &weather_string.at(curr_entry[7]["weather"].GetString());
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weather_day_after = &weather_string.at(curr_entry[15]["weather"].GetString());
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temp_today = curr_entry[0]["temp2m"].GetInt();
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temp_tommorow = curr_entry[7]["temp2m"].GetInt();
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temp_day_after = curr_entry[15]["temp2m"].GetInt();
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if(!WEATHER_METRIC){
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temp_today = (temp_today * 1.8) + 32;
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temp_tommorow = (temp_tommorow * 1.8) + 32;
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temp_day_after = (temp_day_after * 1.8) + 32;
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}
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}
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///////////////////////////////////////
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// Update the texture that is being
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// displayed, based on data in
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// _rss
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// displayed, based on data in the json feed
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void weather::update_texture(){
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std::cerr << "WEATHER::UPDATE_TEXTURE\n";
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SDL_Rect tgt;
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std::string temp;
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SDL_SetRenderTarget(board::getRenderer(), _texture);
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SDL_RenderClear(board::getRenderer());
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@ -87,24 +141,100 @@ void weather::update_texture(){
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board::getImage("sky.png"), NULL, NULL);
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//current weather
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tgt.y = 50;
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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current_desc.c_str(),
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"Currently,",
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&tgt.w, &tgt.h);
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tgt.x = SCREEN_WIDTH / 2 - (tgt.w / 2);
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tgt.y = SCREEN_HEIGHT / 2 - (tgt.h / 2);
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tgt.x = (SCREEN_WIDTH / 2) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString(current_desc.c_str(),
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board::getString("Currently,",
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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tgt.y += tgt.h;
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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weather_today->first.c_str(),
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&tgt.w, &tgt.h);
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tgt.x = (SCREEN_WIDTH / 2) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString(weather_today->first.c_str(),
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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tgt.y += tgt.h;
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temp = std::to_string(temp_today);
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if(WEATHER_METRIC)
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temp += "*C";
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else
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temp += "*F";
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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temp.c_str(),
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&tgt.w, &tgt.h);
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tgt.x = (SCREEN_WIDTH / 2) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString(temp.c_str(),
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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//tommorow's weather
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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tommorow_desc.c_str(),
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"Tommorow,",
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&tgt.w, &tgt.h);
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tgt.x = SCREEN_WIDTH / 2 - (tgt.w / 2);
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tgt.y = SCREEN_HEIGHT / 2 - (tgt.h / 2) + 50;
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tgt.y = (3*SCREEN_HEIGHT / 4) - (tgt.h / 2);
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tgt.x = (SCREEN_WIDTH / 6) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString(tommorow_desc.c_str(),
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board::getString("Tommorow,",
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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tgt.y += tgt.h;
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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weather_tommorow->first.c_str(),
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&tgt.w, &tgt.h);
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tgt.x = (SCREEN_WIDTH / 6) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString(weather_tommorow->first.c_str(),
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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tgt.y += tgt.h;
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temp = std::to_string(temp_tommorow);
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if(WEATHER_METRIC)
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temp += "*C";
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else
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temp += "*F";
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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temp.c_str(),
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&tgt.w, &tgt.h);
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tgt.x = (SCREEN_WIDTH / 6) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString(temp.c_str(),
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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//day after's weather
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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"Day after,",
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&tgt.w, &tgt.h);
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tgt.y = (3*SCREEN_HEIGHT / 4) - (tgt.h / 2);
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tgt.x = (5*SCREEN_WIDTH / 6) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString("Day after,",
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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tgt.y += tgt.h;
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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weather_day_after->first.c_str(),
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&tgt.w, &tgt.h);
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tgt.x = (5*SCREEN_WIDTH / 6) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString(weather_day_after->first.c_str(),
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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tgt.y += tgt.h;
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temp = std::to_string(temp_day_after);
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if(WEATHER_METRIC)
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temp += "*C";
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else
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temp += "*F";
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TTF_SizeText(board::getFont({ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }),
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temp.c_str(),
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&tgt.w, &tgt.h);
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tgt.x = (5*SCREEN_WIDTH / 6) - (tgt.w / 2);
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SDL_RenderCopy(board::getRenderer(),
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board::getString(temp.c_str(),
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{ "Roboto_Mono/RobotoMono-Medium.ttf", 50 }), NULL, &tgt);
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SDL_SetRenderTarget(board::getRenderer(), NULL);
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}
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@ -123,3 +253,11 @@ void weather::initTexture(){
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SDL_SetTextureBlendMode(_texture, SDL_BLENDMODE_BLEND);
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}
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}
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///////////////////////////////////////
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// Curl callback function
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size_t dashboard::panel::weather::curl_callback(void* contents, size_t size,
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size_t nmemb, void* userp){
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((std::string*)userp)->append((char*)contents, size * nmemb);
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return size * nmemb;
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}
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@ -14,8 +14,13 @@
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#include <SDL2/SDL_image.h>
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#include <SDL2/SDL_ttf.h>
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#include <curl/curl.h>
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#include "../util/rapidjson/document.h"
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#include <iostream>
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#include <string>
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#include <unordered_map>
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#include <utility>
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namespace dashboard::panel {
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class weather : public panel {
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@ -23,16 +28,30 @@ namespace dashboard::panel {
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weather();
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~weather();
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void draw();
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static size_t curl_callback(void*, size_t, size_t, void*);
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void draw();
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private:
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void update();
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void update_texture();
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void initTexture();
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std::string current_desc;
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std::string tommorow_desc;
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static constexpr bool TODAY = true;
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static constexpr bool TOMMOROW = false;
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std::unordered_map<std::string,
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std::pair<std::string, std::string>> weather_string;
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std::pair<std::string, std::string>* weather_today;
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std::pair<std::string, std::string>* weather_tommorow;
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std::pair<std::string, std::string>* weather_day_after;
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short temp_today;
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short temp_tommorow;
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short temp_day_after;
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CURL* api_curl;
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std::string json_string;
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rapidjson::Document json_doc;
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std::chrono::time_point<std::chrono::high_resolution_clock> _last_update;
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std::chrono::milliseconds _update_interval;
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@ -6,13 +6,16 @@
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#pragma once
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#include <utility>
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#include <string>
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namespace dashboard::panel {
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//This will be displayed at the top left on the status bar. Set to a blank
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//string to not show anything
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constexpr char WEATHER_TITLE[] = "Weather";
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//New York RSS feed
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static const char* WEATHER_URL_SOURCE = "http://rss.accuweather.com/rss/liveweather_rss.asp?locCode=10007";
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static const char* WEATHER_URL_SOURCE = "https://www.7timer.info/bin/civil.php?lon=41.13&lat=-81.48&unit=british&output=json&tzshift=0";
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//Default time the slide is shown on screen, in ms
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//Default 5s
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@ -22,4 +25,73 @@ namespace dashboard::panel {
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//Default 1 hour
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constexpr size_t WEATHER_UPDATE_INTERVAL = 3600000;
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//Display temperatures in metric?
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//Default false
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constexpr bool WEATHER_METRIC = false;
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//The following are all of the strings that will be shown for each state of
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//weather, along with the image that will be shown
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//The struct is of form {WEATHER_STRING, WEATHER_IMAGE}
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//with weather string being the string shown on screen, and weather image
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//being the name of the preloaded image file to be shown. It is best that
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//these images be square.
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const std::pair<std::string, std::string> WEATHER_CLEAR_DAY =
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{"Clear skies", "clearday.png"};
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const std::pair<std::string, std::string> WEATHER_CLEAR_NIGHT =
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{"Clear skies", "clearnight.png"};
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const std::pair<std::string, std::string> WEATHER_PCLOUDY_DAY =
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{"Slightly cloudy", "pcloudyday.png"};
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const std::pair<std::string, std::string> WEATHER_PCLOUDY_NIGHT =
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{"Slightly cloudy", "pcloudynight.png"};
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const std::pair<std::string, std::string> WEATHER_MCLOUDY_DAY =
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{"Moderately cloudy", "mcloudyday.png"};
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const std::pair<std::string, std::string> WEATHER_MCLOUDY_NIGHT =
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{"Moderately cloudy", "mcloudynight.png"};
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const std::pair<std::string, std::string> WEATHER_CLOUDY_DAY =
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{"Very cloudy", "cloudyday.png"};
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const std::pair<std::string, std::string> WEATHER_CLOUDY_NIGHT =
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{"Very cloudy", "cloudynight.png"};
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const std::pair<std::string, std::string> WEATHER_HUMID_DAY =
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{"Very humid", "humidday.png"};
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const std::pair<std::string, std::string> WEATHER_HUMID_NIGHT =
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{"Very humid", "humidnight.png"};
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const std::pair<std::string, std::string> WEATHER_LRAIN_DAY =
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{"Light rain", "lrainday.png"};
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const std::pair<std::string, std::string> WEATHER_LRAIN_NIGHT =
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{"Light rain", "lrainnight.png"};
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const std::pair<std::string, std::string> WEATHER_RAIN_DAY =
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{"Rain", "rainday.png"};
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const std::pair<std::string, std::string> WEATHER_RAIN_NIGHT =
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{"Rain", "rainnight.png"};
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const std::pair<std::string, std::string> WEATHER_OSHOWER_DAY =
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{"Overcast with showers", "oshowerday.png"};
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const std::pair<std::string, std::string> WEATHER_OSHOWER_NIGHT =
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{"Overcast with showers", "oshowernight.png"};
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const std::pair<std::string, std::string> WEATHER_ISHOWER_DAY =
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{"Moderate showers", "ishowerday.png"};
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const std::pair<std::string, std::string> WEATHER_ISHOWER_NIGHT =
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{"Moderate showers", "ishowernight.png"};
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const std::pair<std::string, std::string> WEATHER_LSNOW_DAY =
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{"Light snow", "lsnowday.png"};
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const std::pair<std::string, std::string> WEATHER_LSNOW_NIGHT =
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{"Light snow", "lsnownight.png"};
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const std::pair<std::string, std::string> WEATHER_SNOW_DAY =
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{"Moderate snow", "snowday.png"};
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const std::pair<std::string, std::string> WEATHER_SNOW_NIGHT =
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{"Moderate snow", "snownight.png"};
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const std::pair<std::string, std::string> WEATHER_RAINSNOW_DAY =
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{"Rain and snow", "rainsnowday.png"};
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const std::pair<std::string, std::string> WEATHER_RAINSNOW_NIGHT =
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{"Rain and snow", "rainsnownight.png"};
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}
|
||||
|
||||
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Reference in New Issue
Block a user