351 lines
10 KiB
JavaScript
351 lines
10 KiB
JavaScript
let getUrl = window.location;
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const url_base = getUrl.protocol + "//" + getUrl.host + "/" + getUrl.pathname.split('/')[1];
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const zip = (a, b) => a.map((k, i) => [k, b[i]]);
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function clamp(num, low, high){
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return Math.min(Math.max(num, low), high);
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}
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function sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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// Permutations in js reference (also cool algorithm):
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// https://stackoverflow.com/a/41068709
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function perm(a){
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if (a.length == 0) return [[]];
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var r = [[a[0]]],
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t = [],
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s = [];
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if (a.length == 1) return r;
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for (var i = 1, la = a.length; i < la; i++){
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for (var j = 0, lr = r.length; j < lr; j++){
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r[j].push(a[i]);
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t.push(r[j]);
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for(var k = 1, lrj = r[j].length; k < lrj; k++){
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for (var l = 0; l < lrj; l++) s[l] = r[j][(k+l)%lrj];
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t[t.length] = s;
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s = [];
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}
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}
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r = t;
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t = [];
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}
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return r;
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}
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function round_near(value) {
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let eps = 0.00000001;
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if (Math.abs(value - Math.round(value)) < eps) {
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return Math.round(value);
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}
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return value;
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}
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function setText(id, text) {
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document.getElementById(id).textContent = text;
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}
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function setHTML(id, html) {
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document.getElementById(id).innerHTML = html;
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}
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function setValue(id, value) {
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let el = document.getElementById(id);
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el.value = value;
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el.dispatchEvent(new Event("change"));
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}
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function getValue(id) {
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return document.getElementById(id).value;
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}
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function log(b, n) {
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return Math.log(n) / Math.log(b);
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}
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// Base 64 encoding tools
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// https://stackoverflow.com/a/27696695
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// Modified for fixed precision
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Base64 = (function () {
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var digitsStr =
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// 0 8 16 24 32 40 48 56 63
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// v v v v v v v v v
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"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+-";
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var digits = digitsStr.split('');
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var digitsMap = {};
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for (var i = 0; i < digits.length; i++) {
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digitsMap[digits[i]] = i;
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}
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return {
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fromIntV: function(int32) {
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var result = '';
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while (true) {
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result = digits[int32 & 0x3f] + result;
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int32 >>>= 6;
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if (int32 === 0)
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break;
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}
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return result;
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},
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fromIntN: function(int32, n) {
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var result = '';
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for (let i = 0; i < n; ++i) {
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result = digits[int32 & 0x3f] + result;
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int32 >>= 6;
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}
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return result;
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},
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toInt: function(digitsStr) {
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var result = 0;
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var digits = digitsStr.split('');
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for (var i = 0; i < digits.length; i++) {
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result = (result << 6) + digitsMap[digits[i]];
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}
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return result;
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},
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toIntSigned: function(digitsStr) {
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var result = 0;
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var digits = digitsStr.split('');
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if (digits[0] && (digitsMap[digits[0]] & 0x20)) {
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result = -1;
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}
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for (var i = 0; i < digits.length; i++) {
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result = (result << 6) + digitsMap[digits[i]];
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}
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return result;
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}
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};
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})();
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// Base64.fromInt(-2147483648); // gives "200000"
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// Base64.toInt("200000"); // gives -2147483648
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/*
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Turns a raw stat and a % stat into a final stat on the basis that - raw and >= 100% becomes 0 and + raw and <=-100% becomes negative.
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Pct would be 0.80 for 80%, -1.20 for 120%, etc
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Example Outputs:
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raw: -100
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pct: +0.20, output = -80
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pct: +1.20, output = 0
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pct: -0.20, output = -120
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pct: -1.20, output = -220
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raw: +100
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pct: +0.20, output = 120
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pct: +1.20, output = 220
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pct: -0.20, output = 80
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pct: -1.20, output = -20
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*/
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function rawToPct(raw, pct){
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final = 0;
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if (raw < 0){
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final = (Math.min(0, raw - (raw * pct) ));
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}else if(raw > 0){
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final = raw + (raw * pct);
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}else{ //do nothing - final's already 0
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}
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return final;
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}
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/*
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* Clipboard utilities
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* From: https://stackoverflow.com/a/30810322
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*/
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function fallbackCopyTextToClipboard(text) {
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var textArea = document.createElement("textarea");
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//
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// *** This styling is an extra step which is likely not required. ***
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//
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// Why is it here? To ensure:
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// 1. the element is able to have focus and selection.
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// 2. if the element was to flash render it has minimal visual impact.
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// 3. less flakyness with selection and copying which **might** occur if
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// the textarea element is not visible.
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//
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// The likelihood is the element won't even render, not even a
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// flash, so some of these are just precautions. However in
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// Internet Explorer the element is visible whilst the popup
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// box asking the user for permission for the web page to
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// copy to the clipboard.
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//
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// Place in the top-left corner of screen regardless of scroll position.
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textArea.style.position = 'fixed';
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textArea.style.top = 0;
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textArea.style.left = 0;
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// Ensure it has a small width and height. Setting to 1px / 1em
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// doesn't work as this gives a negative w/h on some browsers.
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textArea.style.width = '2em';
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textArea.style.height = '2em';
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// We don't need padding, reducing the size if it does flash render.
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textArea.style.padding = 0;
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// Clean up any borders.
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textArea.style.border = 'none';
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textArea.style.outline = 'none';
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textArea.style.boxShadow = 'none';
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// Avoid flash of the white box if rendered for any reason.
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textArea.style.background = 'transparent';
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textArea.value = text;
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document.body.appendChild(textArea);
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textArea.focus();
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textArea.select();
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try {
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var successful = document.execCommand('copy');
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var msg = successful ? 'successful' : 'unsuccessful';
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console.log('Copying text command was ' + msg);
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} catch (err) {
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console.log('Oops, unable to copy');
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}
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document.body.removeChild(textArea);
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}
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function copyTextToClipboard(text) {
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if (!navigator.clipboard) {
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fallbackCopyTextToClipboard(text);
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return;
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}
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navigator.clipboard.writeText(text).then(function() {
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console.log('Async: Copying to clipboard was successful!');
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}, function(err) {
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console.error('Async: Could not copy text: ', err);
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});
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}
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/**
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* Generates a random color using the #(R)(G)(B) format.
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*/
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function randomColor() {
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return '#' + Math.round(Math.random() * 0xFFFFFF).toString(16);
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}
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/**
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* Generates a random color, but lightning must be relatively high (>0.5).
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*
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* @returns a random color in RGB 6-bit form.
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*/
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function randomColorLight() {
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return randomColorHSL([0,1],[0,1],[0.5,1]);
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}
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/** Generates a random color given HSL restrictions.
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*
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* @returns a random color in RGB 6-bit form.
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*/
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function randomColorHSL(h,s,l) {
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var letters = '0123456789abcdef';
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let h_var = h[0] + (h[1]-h[0])*Math.random(); //hue
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let s_var = s[0] + (s[1]-s[0])*Math.random(); //saturation
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let l_var = l[0] + (l[1]-l[0])*Math.random(); //lightness
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let rgb = hslToRgb(h_var,s_var,l_var);
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let color = "#";
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for (const c of rgb) {
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color += letters[Math.floor(c/16)] + letters[c%16];
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}
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return color;
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}
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/**
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* Converts an HSL color value to RGB. Conversion formula
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* adapted from http://en.wikipedia.org/wiki/HSL_color_space.
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* Assumes h, s, and l are contained in the set [0, 1] and
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* returns r, g, and b in the set [0, 255]. Not written by wynnbuilder devs.
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*
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* @param {number} h The hue
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* @param {number} s The saturation
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* @param {number} l The lightness
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* @return {Array} The RGB representation
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*/
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function hslToRgb(h, s, l){
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var r, g, b;
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if(s == 0){
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r = g = b = l; // achromatic
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}else{
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var hue2rgb = function hue2rgb(p, q, t){
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if(t < 0) t += 1;
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if(t > 1) t -= 1;
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if(t < 1/6) return p + (q - p) * 6 * t;
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if(t < 1/2) return q;
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if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
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return p;
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}
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var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
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var p = 2 * l - q;
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r = hue2rgb(p, q, h + 1/3);
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g = hue2rgb(p, q, h);
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b = hue2rgb(p, q, h - 1/3);
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}
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return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
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}
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/** Creates a tooltip.
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*
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* @param {DOM Element} elem - the element to make a tooltip
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* @param {String} element_type - the HTML element type that the tooltiptext should be.
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* @param {String} tooltiptext - the text to display in the tooltip.
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* @param {DOM Element} parent - the parent elem. optional.
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* @param {String[]} classList - a list of classes to add to the element.
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*/
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function createTooltip(elem, element_type, tooltiptext, parent, classList) {
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elem = document.createElement(element_type);
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elem.classList.add("tooltiptext");
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if (tooltiptext.includes("\n")) {
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let texts = tooltiptext.split("\n");
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for (const t of texts) {
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let child = document.createElement(element_type);
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child.textContent = t;
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elem.appendChild(child);
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}
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} else {
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elem.textContent = tooltiptext;
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}
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for (const c of classList) {
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elem.classList.add(c);
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}
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if (parent) {
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parent.classList.add("tooltip");
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parent.appendChild(elem);
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}
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return elem;
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}
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/** A generic function that toggles the on and off state of a button.
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*
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* @param {String} button_id - the id name of the button.
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*/
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function toggleButton(button_id) {
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let elem = document.getElementById(button_id);
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if (elem.tagName === "BUTTON") {
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if (elem.classList.contains("toggleOn")) { //toggle the pressed button off
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elem.classList.remove("toggleOn");
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} else {
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elem.classList.add("toggleOn");
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}
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}
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}
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/** A utility function that reloads the page forcefully.
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*
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*/
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async function hardReload() {
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//https://gist.github.com/rmehner/b9a41d9f659c9b1c3340
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const dbs = await window.indexedDB.databases();
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await dbs.forEach(db => { window.indexedDB.deleteDatabase(db.name) });
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location.reload();
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}
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