257 lines
9.0 KiB
JavaScript
257 lines
9.0 KiB
JavaScript
let ip;
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$.getJSON("https://api.ipify.org?format=json", function(data) {
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ip = data.ip;
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})
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let goodFortunes = [];
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let badFortunes = [];
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let special_events = [];
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// using async and await to prevent fetching the data too late...
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async function fetch_data(){
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await fetch("fortune.json")
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.then(response => response.json())
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.then(data => {
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goodFortunes = data.goodFortunes;
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badFortunes = data.badFortunes;
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})
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await fetch("special.json")
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.then(response => response.json())
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.then(data => {
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special_events = data.special_events;
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})
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}
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// color adjust
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const goodColor = "#e74c3c";
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const badColor = "#000000bf";
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const middleColor = "#5eb95e";
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const descColor = "#7f7f7f";
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const dateColor = "#054310C9";
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const textColor = [goodColor, goodColor, goodColor, goodColor, goodColor, middleColor, badColor, badColor];
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const fortuneStatus = ["大吉", "中吉", "小吉", "吉", "末吉", "中平", "凶", "大凶"];
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const chineseMonth = ["一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二"];
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const week = ['日', '一', '二', '三', '四', '五', '六'];
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const title = `<span style='font-size:8vmin; color:#000000CC;'></b>今日運勢<b></span>`;
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const allGood = `<span style='font-size:6vmin; color:${badColor};'></b>萬事皆宜<b></span>`;
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const allBad = `<span style='font-size:6vmin; color:${goodColor};'></b>諸事不宜<b></span>`;
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// date
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const d = new Date();
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const date = d.getDate();
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const day = d.getDay();
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const month = d.getMonth() + 1;
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const year = d.getFullYear();
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function daysDiff(eventIndex){
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// define the date right now and the special event date
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const startDate = new Date(`${year}-${month}-${date}`);
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const endDate = new Date(`${special_events[eventIndex].year}-${special_events[eventIndex].month}-${special_events[eventIndex].date}`);
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// calculate the difference in milliseconds and convert it to days
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const timeDiff = (endDate - startDate) / (1000 * 60 * 60 * 24);
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return timeDiff;
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}
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let special = false;
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let special_events_index = 0;
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// init page
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async function init_page(){
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// fetch fortune.json and special.json
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await fetch_data();
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// hide the elements of show fortune page
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$('#ip-to-fortune').hide();
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$('#l-1-event').hide();
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$('#l-1-desc').hide();
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$('#l-2-event').hide();
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$('#l-2-desc').hide();
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$('#r-1-event').hide();
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$('#r-1-desc').hide();
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$('#r-2-event').hide();
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$('#r-2-desc').hide();
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// show date before button pressed
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const showMonth = `<span style='font-size:10vmin; color:${dateColor}; -webkit-writing-mode:vertical-lr;'><b>${chineseMonth[month - 1] + "月"}</b></span>`;
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const showDate = `<span style='font-size:25vmin; color:${dateColor};'><b>${("0" + date).substr(-2)}</b></span>`;
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const showDay = `<span style='font-size:10vmin; color:${dateColor}; -webkit-writing-mode:vertical-lr; margin-right:10%;'><b>${"星期" + week[day]}<b></span>`;
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$('#month').html(showMonth);
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$('#date').html(showDate);
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$('#weekday').html(showDay);
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let eventIndex_1 = -1, eventIndex_2 = -1;
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// check if there is special event today
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for(let i = 0; i < special_events.length; i++){
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if(daysDiff(i) > 0){
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if(eventIndex_1 == -1) eventIndex_1 = i;
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else if(eventIndex_2 == - 1) eventIndex_2 = i;
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}
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else if(daysDiff(i) == 0){
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special = true;
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special_events_index = i;
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}
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}
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// if there is upcoming event then show
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if(eventIndex_1 != -1){
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let days = daysDiff(eventIndex_1);
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let upcoming_event_1 = `<span style='font-size:5vmin; color:${descColor};'>距離<b>${special_events[eventIndex_1].event}</b>還剩<b>${days}</b>天</span>`;
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$('#upcoming-event-1').html(upcoming_event_1);
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}
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if(eventIndex_2 != -1){
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let days = daysDiff(eventIndex_2);
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let upcoming_event_2 = `<span style='font-size:5vmin; color:${descColor};'>距離<b>${special_events[eventIndex_2].event}</b>還剩<b>${days}</b>天</span>`;
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$('#upcoming-event-2').html(upcoming_event_2);
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}
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// show special event if today is a special day
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if(special){
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let special_event_today = `<span style='font-size:9vmin; color:${descColor};'><b>今日是${special_events[special_events_index].event}<b></span>`;
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$('#special-day').html(special_event_today);
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}
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}
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// event bar
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const good_span = event => `<span style='font-size:5.6vmin; color:${goodColor};'><b>宜: </b>${event}</span>`;
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const bad_span = event => `<span style='font-size:5.6vmin; color:${badColor};'><b>忌: </b>${event}</span>`;
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const desc_span = desc => `<span style='font-size:3.5vmin; color:${descColor};'>${desc}</span>`;
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function Appear() {
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//change page
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$('#title').html(title);
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$('#month').hide();
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$('#date').hide();
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$('#weekday').hide();
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$('#special-day').hide();
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$('#upcoming-event-1').hide();
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$('#upcoming-event-2').hide();
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$('#btn').html('打卡成功');
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// toggle the elements on show status page
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$('#ip-to-fortune').show();
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$('#l-1-event').show();
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$('#l-1-desc').show();
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$('#l-2-event').show();
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$('#l-2-desc').show();
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$('#r-1-event').show();
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$('#r-1-desc').show();
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$('#r-2-event').show();
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$('#r-2-desc').show();
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// transform ip to four numbers
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let num = ip.split(".").map(num => parseInt(num));
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// some lengths
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const goodLen = goodFortunes.length;
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const badLen = badFortunes.length;
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const statusLen = fortuneStatus.length;
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// TODO: improve the hash process
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let hashDate = Math.round(Math.log10(year * ((month << (Math.log10(num[3]) + day - 1)) * (date << Math.log10(num[2] << day)))));
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let seed1 = (num[0] >> hashDate) * (num[1] >> Math.min(hashDate, 2)) + (num[2] << 1) * (num[3] >> 3) + (date << 3) * (month << hashDate) + (year * day) >> 2;
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let seed2 = (num[0] << (hashDate + 2)) * (num[1] << hashDate) + (num[2] << 1) * (num[3] << 3) + (date << (hashDate - 1)) * (month << 4) + year >> hashDate + (date * day) >> 1;
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// decide the status
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let status_index = ((seed1 + seed2) % statusLen + statusLen) % statusLen;
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let status = `<span style='font-size:12vmin; color:${textColor[status_index]};'><b>§ ${fortuneStatus[status_index]} §</b></span>`;
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if(special){
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status_index = special_events[special_events_index].status_index;
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let special_status = `<span style='font-size:12vmin; color:${textColor[status_index]};'><b>§ ${fortuneStatus[status_index]} §</b></span>`;
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$('#ip-to-fortune').html(special_status);
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}
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else{
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$('#ip-to-fortune').html(status);
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}
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// make sure the events won't collide
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let set = new Set();
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let l1 = (seed1 % goodLen + goodLen) % goodLen;
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set.add(goodFortunes[l1].event);
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let l2 = (((seed1 << 1) + date) % goodLen + goodLen) % goodLen;
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while(set.has(goodFortunes[l2].event)){
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l2 = (l2 + 1) % goodLen;
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}
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set.add(goodFortunes[l2].event);
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let r1 = (((seed1 >> 1) + (d.getMonth() << 3)) % badLen + badLen) % badLen;
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while(set.has(badFortunes[r1].event)){
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r1 = (r1 + 2) % badLen;
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}
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set.add(badFortunes[r1].event);
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let r2 = ((((((seed1 << 3) + (d.getFullYear() >> 5) * (date << 2)) % badLen) * seed2) >> 6) % badLen + badLen) % badLen;
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while(set.has(badFortunes[r2].event)){
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r2 = (r2 + 1) % badLen;
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}
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// organize the stuffs below this line...
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let l_1_event = good_span(goodFortunes[l1].event);
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let l_1_desc = desc_span(goodFortunes[l1].description);
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let l_2_event = good_span(goodFortunes[l2].event);
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let l_2_desc = desc_span(goodFortunes[l2].description);
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let r_1_event = bad_span(badFortunes[r1].event);
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let r_1_desc = desc_span(badFortunes[r1].description);
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let r_2_event = bad_span(badFortunes[r2].event);
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let r_2_desc = desc_span(badFortunes[r2].description);
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if(special){
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// instead clear variable name, use short variable name for here... cuz it's too repetitive
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let Data = special_events[special_events_index];
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if(status_index == 0){
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r_1_event = allGood;
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}
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else{
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r_1_event = bad_span(Data.badFortunes.r_1_event);
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r_1_desc = desc_span(Data.badFortunes.r_1_desc);
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r_2_event = bad_span(Data.badFortunes.r_2_event);
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r_2_desc = desc_span(Data.badFortunes.r_2_desc);
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}
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if(status_index == statusLen - 1){
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l_1_event = allBad;
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}
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else{
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l_1_event = good_span(Data.goodFortunes.l_1_event);
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l_1_desc = desc_span(Data.goodFortunes.l_1_desc);
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l_2_event = good_span(Data.goodFortunes.l_2_event);
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l_2_desc = desc_span(Data.goodFortunes.l_2_desc);
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}
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$('#l-1-event').html(l_1_event);
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$('#l-1-desc').html(l_1_desc);
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$('#l-2-event').html(l_2_event);
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$('#l-2-desc').html(l_2_desc);
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$('#r-1-event').html(r_1_event);
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$('#r-1-desc').html(r_1_desc);
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$('#r-2-event').html(r_2_event);
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$('#r-2-desc').html(r_2_desc);
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}
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else{
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if(status_index == 0){
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$('#r-1-event').html(allGood);
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}
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else{
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$('#r-1-event').html(r_1_event);
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$('#r-1-desc').html(r_1_desc);
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$('#r-2-event').html(r_2_event);
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$('#r-2-desc').html(r_2_desc);
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}
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if(status_index == statusLen - 1){
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$('#l-1-event').html(allBad);
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}
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else{
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$('#l-1-event').html(l_1_event);
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$('#l-1-desc').html(l_1_desc);
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$('#l-2-event').html(l_2_event);
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$('#l-2-desc').html(l_2_desc);
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}
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}
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}
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function getLuck() {
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Update();
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}
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init_page(); |