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fupractice.html
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<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>算符練習</title>
</head>
<style>
@font-face {
font-family: "MJ";
src: url("./res/mj.eot");
/* IE9 Compat Modes */
src: url("./res/mj.eot?#iefix") format("embedded-opentype"),
/* IE6-IE8 */
url("./res/mj.otf") format("opentype"),
/* Open Type Font */
url("./res/mj.svg") format("svg"),
/* Legacy iOS */
url("./res/mj.ttf") format("truetype"),
/* Safari, Android, iOS */
url("./res/mj.woff") format("woff"),
/* Modern Browsers */
url("./res/mj.woff2") format("woff2");
/* Modern Browsers */
font-weight: normal;
font-style: normal;
}
html,
body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
margin: 0;
padding: 0;
background-color: #eed;
}
.describe {
color: #1a1;
font-size: 2.5vw;
}
table {
border-collapse: collapse;
text-align: right;
margin: 10px auto;
}
#handInfo tr,
#handInfo td,
{ border: none;
padding: 5px 10px;}
#fieldInfo td {
font-size: 7vw;
text-align: center;
}
.lastTile {
background-color: #f80;
}
.correct {
background-color: #2e2;
}
.incorrect {
background-color: #c44;
}
.button {
border: 3px solid red;
color: green;
cursor: pointer;
}
.button:hover {
background-color: #ada;
}
#fu {
width: 2.5em;
font-size: 1em;
}
.hand {
font-family: "MJ";
border: none;
font-size: 7vw;
}
.hidden {
visibility: hidden;
}
.nodraw {
display: none;
}
table td {
padding: 0;
border: 1px solid #333;
}
table th {
background-color: #000;
border: 1px solid #f80;
color: #fff;
}
#hintTableH {
white-space: nowrap;
}
#hintH {
overflow-x: scroll;
}
</style>
<body>
<noscript>
Please enable Javascript on this page to render
<br> 畫畫面需要用到Javascript, 讓我用嘛OAO...
</noscript>
<div id="hintH">
<table id="hintTableH" cellspacing="0" cellpadding="0">
<tr>
<th colspan="2">和牌符</th>
<th colspan="2">听牌符</th>
<th colspan="4">面子符（中张=2到8）</th>
<th colspan="2">雀头符</th>
<th colspan="2">其他规定（定为XX的无视其他规则）</th>
</tr>
<tr>
<td>副底（和牌就有）</td>
<td>20符</td>
<td>单骑和牌</td>
<td>2符</td>
<td>中张明刻</td>
<td>2符</td>
<td>幺九明刻</td>
<td>4符</td>
<td>役牌雀头</td>
<td>2符</td>
<td colspan="2">合计后,符个位不是0时：个位变0 十位+1</td>
</tr>
<tr>
<td>门前清荣和</td>
<td>10符</td>
<td>边张和牌</td>
<td>2符</td>
<td>中张暗刻</td>
<td>4符</td>
<td>幺九暗刻</td>
<td>8符</td>
<td>连风雀头</td>
<td>2或4</td>
<td>七对子荣和＼自摸</td>
<td>定为25符</td>
</tr>
<tr>
<td>自摸和牌</td>
<td>2符</td>
<td>嵌张和牌</td>
<td>2符</td>
<td>中张明杠</td>
<td>8符</td>
<td>幺九明杠</td>
<td>16符</td>
<td colspan="2" rowspan="2">※天凤连风雀头4符</td>
<td>平和+自摸</td>
<td>定为20符</td>
</tr>
<tr>
<td>荣和（非门前清）</td>
<td>0符</td>
<td>两面/双碰</td>
<td>0符</td>
<td>中张暗杠</td>
<td>16符</td>
<td>幺九暗杠</td>
<td>32符</td>
<td>吃牌后，合计20符时</td>
<td>定为30符</td>
</tr>
</table>
</div>
<div id="box">
<div id="problemSection">
<div>
<table id="fieldInfo">
<tr>
<td id="fieldWind"></td>
<td id="selfWind"></td>
<td id="winType"></td>
</tr>
<tr>
<td>
<input id="fu" type="number" value="30" max="170" min="20" step="10" onfocus="this.select()" />符</td>
<td>
<div id="chkAns" class="button" onclick="showAnswer()">作答</div>
<div id="correct" class="correct nodraw">正確</div>
<div id="incorrect" class="incorrect nodraw">錯誤</div>
</td>
<td>
<div id="nextQuestion" class="button hidden" onclick="generateProblem()">下一題</div>
</td>
</tr>
</table>
</div>
<div>
<table id="handInfo">
<tr>
<td id="hand0" class="hand"></td>
<td id="hand1" class="hand"></td>
<td id="hand2" class="hand"></td>
<td id="hand3" class="hand"></td>
<td id="hand4" class="hand"></td>
</tr>
<tr>
<td id="info0" class="describe">1</td>
<td id="info1" class="describe">2</td>
<td id="info2" class="describe">3</td>
<td id="info3" class="describe">4</td>
<td id="info4" class="describe">5</td>
</tr>
<tr>
<td id="infob" colspan="5" class="describe">1</td>
</tr>
<tr>
<td id="extra" colspan="5" class="describe"></td>
</tr>
</table>
</div>
</div>
</div>
</div>
</body>
<script>
var $ = function (e) { return document.getElementById(e) };
var f = function (e) { return Math.floor(e) };
var rnd = function () { return Math.random() };
if (!String.prototype.includes) {
String.prototype.includes = function () {
'use strict';
return String.prototype.indexOf.apply(this, arguments) !== -1;
};
};
if (!String.prototype.replaceAt) {
String.prototype.replaceAt = function (index, character) {
return this.substr(0, index) + character + this.substr(index + character.length);
}
};
var setVisibility = function (t, stats) {
if (stats === "hide") {
if (!t.classList.contains("hidden")) {
t.classList.add("hidden");
}
}
else { //show
if (t.classList.contains("hidden")) {
t.classList.remove("hidden");
}
}
};
var showElement = function (e) {
setVisibility(e, "show");
};
var hideElement = function (e) {
setVisibility(e, "hide");
};
var modifyElement = function (t, stats) {
if (stats === "remove") {
if (!t.classList.contains("nodraw")) {
t.classList.add("nodraw");
}
}
else { //show
if (t.classList.contains("nodraw")) {
t.classList.remove("nodraw");
}
}
}
var removeElement = function (e) {
modifyElement(e, "remove");
};
var addElement = function (e) {
modifyElement(e, "add");
};
//門清自摸平和固定20 七對固定25 其他進位至十位數 不滿30以30計
var callAmount = 0;
var lastTileFrom = 0;
var fieldWind = ["東風圈", "南風圈"];
var selfWind = ["東家", "南家", "西家", "北家"];
var winningStyle = ["自摸", "榮和"];
var fieldSeed = 0;
var selfSeed = 0;
var field = "";
var self = "";
var winBy = "";
var takenTiles = [];
var hand = [];
var t;
var shuntsuAmount = 0;
var answer = []; //副底 0 1 2 3 4 特殊
var answerInNumber = 20;
var yakuTile = [];
var winds = "zxcv";
var detailParts = [$("info0"), $("info1"), $("info2"), $("info3"), $("info4"), $("infob"), $("extra"), $("nextQuestion")];
var hideAnswer = function () {
addElement($("chkAns"));
for (var i = 0; i < detailParts.length; i++) {
hideElement(detailParts[i]);
}
};
var showAnswer = function () {
removeElement($("chkAns"));
if ($("fu").valueAsNumber === answerInNumber) addElement($("correct"));
else addElement($("incorrect"));
for (var i = 0; i < detailParts.length; i++) {
showElement(detailParts[i]);
}
};
var tiles = "123456789qwertyuioasdfghjklzxcvbnm";
var rotatedTiles = "!@#$%^&*(QWERTYUIOASDFGHJKLZXCVBNM";
var generateProblem = function () {
hideAnswer();
removeElement($("correct"));
removeElement($("incorrect"));
$('fu').value = 30;
callAmount = f(rnd() * 5);
fieldSeed = f(rnd() * 2);
selfSeed = f(rnd() * 4);
field = fieldWind[fieldSeed];
self = selfWind[selfSeed];
shuntsuAmount = 0;
hand = [];
answer = [];
answerInNumber = 20;
yakuTile = "bnm" + winds[fieldSeed] + winds[selfSeed];
takenTiles = [];
for (var i = 0; i < 34; i++) takenTiles.push(0);
//pair
t = f(rnd() * 34);
takenTiles[t] = 2;
hand.push(tiles[t] + tiles[t]);
//hand
for (var i = 1; i <= 4; i++) {
var type = f(rnd() * 3);
if (type === 0) { //順
t = f(rnd() * 21);
t = f(t / 7) * 9 + t % 7;
while (takenTiles[t] > 3 || takenTiles[t + 1] > 3 || takenTiles[t + 2] > 3) {
t = f(rnd() * 21);
t = f(t / 7) * 9 + t % 7;
}
takenTiles[t]++;
takenTiles[t + 1]++;
takenTiles[t + 2]++;
hand.push(tiles[t] + tiles[t + 1] + tiles[t + 2]);
shuntsuAmount++;
}
else if (type === 1) { // 碰
t = f(rnd() * 34);
while (takenTiles[t] > 1) t = f(rnd() * 34);
takenTiles[t] += 3;
hand.push(tiles[t] + tiles[t] + tiles[t]);
}
else if (type === 2) { // 槓
t = f(rnd() * 34);
while (takenTiles[t] > 0) t = f(rnd() * 34);
takenTiles[t] += 4;
hand.push(tiles[t] + tiles[t] + tiles[t] + tiles[t]);
}
else (console.log("Error: type = " + type));
if (i === 4) {
//把槓全換到最後面去
var ptr = 4;
for (var j = 1; j < ptr; j++) {
if (hand[j].length === 4) {
var tmp = hand[j];
hand[j] = hand[ptr];
hand[ptr] = tmp;
j--;
ptr--;
}
}
}
}
lastTileFrom = f(rnd() * (5 - callAmount));
while (hand[lastTileFrom].length > 3) lastTileFrom = f(rnd() * (5 - callAmount));
lastTile = f(rnd() * hand[lastTileFrom].length);
winBy = winningStyle[f(rnd() * 2)];
if (callAmount === 0 && shuntsuAmount >= 4 && !yakuTile.includes(hand[0][0]) && lastTileFrom > 0 && lastTile != 1) {
//平和
answer = ["副底 +20", "-", "-", "-", "-", "-"];
if (winBy === "榮和") {
answer[0] += "<br>門清榮和 +10";
answer.push("<hr>平和榮和固定30符");
answerInNumber = 30;
}
else {
answer.push("<hr>平和自摸固定20符(不計自摸2符)");
answerInNumber = 20;
}
var i = lastTileFrom;
if (!"19qoal".includes(hand[i][2])) {
hand[i] = "<span class='lastTile'>" + hand[i][0] + "</span>" + hand[i][1] + hand[i][2];
}
else {
hand[i] = hand[i][0] + hand[i][1] + "<span class='lastTile'>" + hand[i][2] + "</span>";
}
}
else {
answer = ["副底 +20", "", "", "", "", ""];
answerInNumber = 20;
if (winBy === "自摸") {
answer[0] += "<br>自摸 +2";
answerInNumber += 2;
}
if (winBy === "榮和" && callAmount === 0) {
answer[0] += "<br>門清榮和 +10";
answerInNumber += 10;
}
if ("bnm".includes(hand[0][0])) {
if (answer[1] != "") answer[1] += "<br>";
answer[1] += "役牌雀頭 +2";
answerInNumber += 2;
}
if (winds[fieldSeed] === hand[0][0]) {
if (answer[1] != "") answer[1] += "<br>";
answer[1] += "場風雀頭 +2";
answerInNumber += 2;
}
if (winds[selfSeed] === hand[0][0]) {
if (answer[1] != "") answer[1] += "<br>";
answer[1] += "自風雀頭 +2";
answerInNumber += 2;
}
if (answer[1] === "") answer[1] += "一般雀頭 +0";
for (var i = 1; i <= 4; i++) {
if (hand[i].length === 4) {
if (answer[i + 1] != "") answer[i + 1] += "<br>";
if ("1qa9olzxcvbnm".includes(hand[i][0])) { //么九
if (i > 4 - callAmount) {
answer[i + 1] += "么九明槓 +16";
var rndNum = f(rnd() * 3);
if (rndNum > 0) rndNum++;
hand[i] = hand[i].replaceAt(rndNum, rotatedTiles[tiles.indexOf(hand[i][rndNum])]);
answerInNumber += 16;
}
else {
answer[i + 1] += "么九暗槓 +32";
hand[i] = "`" + hand[i][1] + hand[i][2] + "`";
answerInNumber += 32;
}
}
else {
if (i > 4 - callAmount) {
answer[i + 1] += "中張明槓 +8";
var rndNum = f(rnd() * 3);
if (rndNum > 0) rndNum++;
hand[i] = hand[i].replaceAt(rndNum, rotatedTiles[tiles.indexOf(hand[i][rndNum])]);
answerInNumber += 8;
}
else {
answer[i + 1] += "中張暗槓 +16";
hand[i] = "`" + hand[i][1] + hand[i][2] + "`";
answerInNumber += 16;
}
}
}
else if (hand[i][0] === hand[i][1]) { //刻
if ("1qa9olzxcvbnm".includes(hand[i][0])) { //么九
if (i > 4 - callAmount) {
answer[i + 1] += "么九明刻 +4";
var rndNum = f(rnd() * 3);
hand[i] = hand[i].replaceAt(rndNum, rotatedTiles[tiles.indexOf(hand[i][rndNum])]);
answerInNumber += 4;
}
else {
answer[i + 1] += "么九暗刻 +8";
answerInNumber += 8;
}
}
else {
if (i > 4 - callAmount) {
answer[i + 1] += "中張明刻 +2";
var rndNum = f(rnd() * 3);
hand[i] = hand[i].replaceAt(rndNum, rotatedTiles[tiles.indexOf(hand[i][rndNum])]);
answerInNumber += 2;
}
else {
answer[i + 1] += "中張暗刻 +4";
answerInNumber += 4;
}
}
}
else {
answer[i + 1] += "順子 +0";
if (i > 4 - callAmount) {
hand[i] = hand[i].replaceAt(0, rotatedTiles[tiles.indexOf(hand[i][0])]);
}
}
}
if (lastTileFrom === 0) {
answer[1] += "<br>聽單騎 +2";
hand[0] = hand[0][0] + "<span class='lastTile'>" + hand[0][1] + "</span>";
answerInNumber += 2;
}
else {
var i = lastTileFrom;
if (hand[i][0] === hand[i][1]) {
if (winBy === "榮和") {
if ("19qoalzxcvbnm".includes(hand[i][0])) {
answerInNumber -= 4; //邊張暗刻->邊張明刻
answer[i + 1] = "么九明刻 +4";
}
else {
answerInNumber -= 2;
answer[i + 1] = "中張明刻 +2";
}
}
answer[i + 1] += "<br>聽雙碰 +0";
hand[i] = hand[i][0] + hand[i][1] + "<span class='lastTile'>" + hand[i][2] + "</span>";
}
else {
var rndNum = f(rnd() * 3);
if (rndNum === 1) {
answer[i + 1] += "<br>聽嵌張 +2";
answerInNumber += 2;
hand[i] = hand[i][0] + "<span class='lastTile'>" + hand[i][1] + "</span>" + hand[i][2];
}
else if (rndNum === 0) {
if ("19qoal".includes(hand[i][2])) {
answer[i + 1] += "<br>聽邊張 +2";
answerInNumber += 2;
}
else answer[i + 1] += "<br>聽兩面 +0";
hand[i] = "<span class='lastTile'>" + hand[i][0] + "</span>" + hand[i][1] + hand[i][2];
}
else { //2
if ("19qoal".includes(hand[i][0])) {
answer[i + 1] += "<br>聽邊張 +2";
answerInNumber += 2;
}
else answer[i + 1] += "<br>聽兩面 +0";
hand[i] = hand[i][0] + hand[i][1] + "<span class='lastTile'>" + hand[i][2] + "</span>";
}
}
}
}
if (answer[6] == undefined) {
answer[6] = "共" + answerInNumber + "符, 進位至十位數計";
answerInNumber = answerInNumber % 10 === 0 ? answerInNumber : f(answerInNumber / 10) * 10 + 10;
answer[6] += answerInNumber + "符";
}
if (callAmount > 0 && shuntsuAmount >= 4 && answerInNumber < 30) {
answer[6] += "<br>非平和情況下, 若進位後仍不足30符, 以30符計算";
answerInNumber = 30;
}
$("hand0").innerHTML = hand[0];
$("hand1").innerHTML = hand[1];
$("hand2").innerHTML = hand[2];
$("hand3").innerHTML = hand[3];
$("hand4").innerHTML = hand[4];
$("fieldWind").innerHTML = field;
$("selfWind").innerHTML = self;
$("winType").innerHTML = " " + winBy + " ";
setAnswer();
};
var setAnswer = function () {
$("infob").innerHTML = answer[0];
$("info0").innerHTML = answer[1];
$("info1").innerHTML = answer[2];
$("info2").innerHTML = answer[3];
$("info3").innerHTML = answer[4];
$("info4").innerHTML = answer[5];
$("extra").innerHTML = answer[6];
};
generateProblem();
</script>
</html>