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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>MapleStoryPerfectNode</title>
<style>
.skill-chunk {
border: 2px solid black;
margin: 5px;
padding: 2px;
}
div#skill-chunk-list {
display: inline-flex;
flex-wrap: wrap;
}
.skill-result {
border: 1px solid red;
margin: 0px 4px;
}
div#id-div-result-skill-chunk-list {
display: inline-flex;
}
</style>
</head>
<body>
<div id="id-div-skill-list">
<div id="id-div-skill-list-kanna">
<img class="img-cls-skill" src="img/kanna/Skill_Veritable_Pandemonium.webp" id="kanna_0">
<img class="img-cls-skill" src="img/kanna/Skill_Yosuzume.webp" id="kanna_1">
<img class="img-cls-skill" src="img/kanna/Skill_Nine-Tailed_Fury.webp" id="kanna_2">
<img class="img-cls-skill" src="img/kanna/Skill_Shikigami_Haunting_4.webp" id="kanna_3">
<img class="img-cls-skill" src="img/kanna/Skill_Ghost_Yaksha_Boss.webp" id="kanna_4">
<img class="img-cls-skill" src="img/kanna/Skill_Vanquishers_Charm.webp" id="kanna_5">
<img class="img-cls-skill" src="img/kanna/Skill_Shikigami_Charm.webp" id="kanna_6">
<img class="img-cls-skill" src="img/kanna/Skill_Orochi.webp" id="kanna_7">
<img class="img-cls-skill" src="img/kanna/Skill_Falling_Sakura.webp" id="kanna_8">
<img class="img-cls-skill" src="img/kanna/Skill_Nightghost_Guide.webp" id="kanna_9">
<img class="img-cls-skill" src="img/kanna/Skill_Binding_Tempest.webp" id="kanna_10">
<img class="img-cls-skill" src="img/kanna/Skill_Kishin_Shoukan.webp" id="kanna_11">
<img class="img-cls-skill" src="img/kanna/Skill_Nimbus_Curse.webp" id="kanna_12">
<img class="img-cls-skill" src="img/kanna/Skill_Shikigami_Doppelganger.webp" id="kanna_13">
<img class="img-cls-skill" src="img/kanna/Skill_Tengu_Strike.webp" id="kanna_14">
</div>
</div>
<div id="skill-chunk-list">
</div>
<div id="id-div-action">
<select id="id-select-mode">
<option value="4n6s">4核6技(4 node 6 skill)</option>
<option value="6n9s">6核9技(6 node 9 skill)</option>
</select>
<button id="id-btn-calculate">计算(calculate)</button>
</div>
<div id="id-div-result-skill-chunk-list">
</div>
</body>
<script>
const log = console.log.bind(this)
const e = (sel) => document.querySelector(sel)
const bindEvent = (dom, eventType, callback, useCapture=false) => {
e(dom).addEventListener(eventType, callback, useCapture)
}
const bindEventDelegate = (rootDom, targetSelector, eventType, callback, useCapture=false) => {
bindEvent(rootDom, eventType, (event) => {
if (event.target.matches(targetSelector)) {
callback(event)
}
}, useCapture)
}
const onImgClick = function(event) {
const divBox = e('#skill-chunk-list')
const target = event.target
const lastChunk = divBox.lastElementChild
const src = target.getAttribute('src')
if (lastChunk == null) {
divBox.insertAdjacentHTML('beforeend', `<div class="skill-chunk"><img class="img-cls-selected-skill" src="${src}"></div>`)
} else {
const cc = lastChunk.children
if (cc.length >= 3) {
divBox.insertAdjacentHTML('beforeend', `<div class="skill-chunk"><img class="img-cls-selected-skill" src="${src}"></div>`)
} else {
lastChunk.insertAdjacentHTML('beforeend', `<img class="img-cls-selected-skill" src="${src}">`)
}
}
}
function k_combinations(set, k) {
var i, j, combs, head, tailcombs;
// There is no way to take e.g. sets of 5 elements from
// a set of 4.
if (k > set.length || k <= 0) {
return [];
}
// K-sized set has only one K-sized subset.
if (k == set.length) {
return [set];
}
// There is N 1-sized subsets in a N-sized set.
if (k == 1) {
combs = [];
for (i = 0; i < set.length; i++) {
combs.push([set[i]]);
}
return combs;
}
combs = [];
for (i = 0; i < set.length - k + 1; i++) {
// head is a list that includes only our current element.
head = set.slice(i, i + 1);
// We take smaller combinations from the subsequent elements
tailcombs = k_combinations(set.slice(i + 1), k - 1);
// For each (k-1)-combination we join it with the current
// and store it to the set of k-combinations.
for (j = 0; j < tailcombs.length; j++) {
combs.push(head.concat(tailcombs[j]));
}
}
return combs;
}
const checkPerfect = function(nodeList) {
const d = {}
const g = nodeList
for (var j = 0; j < g.length; j++) {
const s3 = g[j]
for (var k = 0; k < s3.length; k++) {
const s = s3[k]
if (d[s]) {
d[s] += 1
} else {
d[s] = 1
}
}
}
for (var key in d) {
var v = d[key]
log(key, v)
if (v != 2) {
return false
}
}
return true
}
const filterNode = function(combinationList) {
const r = []
for (var i = 0; i < combinationList.length; i++) {
const g = combinationList[i]
const headers = g.map((x) => x[0])
const uh = uniqueArr(headers)
if (headers.length != uh.length) {
continue
}
if (checkPerfect(g)) {
r.push(g)
}
}
return r
}
function uniqueArr(arr){
//Set数据结构，它类似于数组，其成员的值都是唯一的
return Array.from(new Set(arr)); // 利用Array.from将Set结构转换成数组
}
function renderResult(nodeListCom) {
const divBox = e('#id-div-result-skill-chunk-list')
let tmp = ``
for (var i = 0; i < nodeListCom.length; i++) {
const nodeList = nodeListCom[i]
let nodeListStr = ``
for (var j = 0; j < nodeList.length; j++) {
const node = nodeList[j]
nodeListStr += `
<div class="skill-chunk">
<img class="img-cls-selected-skill" src="${node[0]}">
<img class="img-cls-selected-skill" src="${node[1]}">
<img class="img-cls-selected-skill" src="${node[2]}">
</div>
`
}
tmp += `<div class="skill-result">${nodeListStr}</div>`
}
divBox.innerHTML = tmp
}
const onBtnClick = function(event) {
const chunkList = e('#skill-chunk-list').children
const mode = e('#id-select-mode').value
const chunkImages = []
for (var i = 0; i < chunkList.length; i++) {
const chunk = chunkList[i]
const imgTagList = chunk.children
const imgs = Array.from(imgTagList).map((t) => t.getAttribute('src'))
if (imgs.length == 3) {
chunkImages.push(imgs)
}
}
let modeNum = 4
if (mode == '6n9s') {
modeNum = 6
}
const r = k_combinations(chunkImages, modeNum)
const nodeListCom = filterNode(r)
log(nodeListCom)
renderResult(nodeListCom)
}
bindEventDelegate('#id-div-skill-list', '.img-cls-skill', 'click', onImgClick)
bindEventDelegate('#id-div-action', '#id-btn-calculate', 'click', onBtnClick)
</script>
</html>