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mortal-coil.js
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mortal-coil.js
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const levels = require('./mortal-coil-levels.json')
const Sequelize = require('sequelize')
const { capitalizeFirstLetter, generateToken } = require('./helper')
const maxLevel = 200
module.exports = (App) => {
App.express.get('/mortal-coil/submit', async (req, res) => {
try {
const level = parseInt(req.query.level)
const token = typeof req.query.token === 'string' ? req.query.token : ''
if (!token) {
return res.send('token is missing')
}
if (isNaN(level)) {
return res.send('level is missing')
}
if (level < 0) {
return res.send('there are no negative levels')
}
if (level >= maxLevel) {
return res.send('level not available')
}
const userid = parseInt(token.split('-')[0])
if (isNaN(userid) || userid < 0) {
return res.send('malformed token')
}
const expectedToken = generateToken(userid)
if (token !== expectedToken) {
return res.send('invalid token')
}
const isEditor = req.user && App.config.editors.includes(req.user.name)
const storageKey = `mortalcoil_${userid}`
const fromDB = parseInt(await App.storage.getItem(storageKey)) // should be fine
const playerLevel = isEditor
? maxLevel - 1
: isNaN(fromDB)
? 0
: Math.min(maxLevel - 1, fromDB)
if (level > playerLevel) {
return res.send('cannot submit to this level')
}
let isCorrect = verifyLevel(
level,
parseInt(req.query.x),
parseInt(req.query.y),
req.query.path
)
if (isCorrect) {
const unlockedLevel = level + 1
if (unlockedLevel > playerLevel) {
const storageKey = `mortalcoil_${userid}`
await App.storage.setItem(storageKey, playerLevel + 1)
}
return res.send('ok')
}
res.send('answer not correct')
} catch (e) {
return res.send('internal error')
}
})
App.express.get('/mortal-coil', async (req, res) => {
if (!req.user || !req.user.id) {
return res.redirect('/')
}
const queryLevel = parseInt(req.query.level)
const isEditor = App.config.editors.includes(req.user.name)
const storageKey = `mortalcoil_${req.user.id}`
const fromDB = parseInt(await App.storage.getItem(storageKey)) // should be fine
const playerLevel = isEditor
? maxLevel - 1
: isNaN(fromDB)
? 0
: Math.min(maxLevel - 1, fromDB)
let level = isEditor ? 0 : playerLevel
if (
!isNaN(queryLevel) &&
queryLevel.toString() === req.query.level &&
queryLevel >= 0 &&
queryLevel <= playerLevel
) {
level = queryLevel
}
const stringsDe = {
back: 'zurück',
statistics: 'Statistik',
description:
'Klicke, um deine Startposition zu bestimmen. Nachfolgende Klicks bewegen dich, bis du auf eine Wand triffst. Versuche, das ganze Spielfeld abzudecken.',
jump: 'springe zu Level',
restart: 'Neustart',
undo: 'Rückgängig',
nextLevel: 'Zum nächsten Level',
autocomplete: 'Vorschläge',
}
const stringsEn = {
back: 'back',
statistics: 'Statistics',
description:
'Click to place your starting position. Subsequent clicks move until you hit something. Try to cover the whole board with your coil.',
jump: 'jump to level',
restart: 'Restart',
undo: 'Undo',
nextLevel: 'Go to next level',
autocomplete: 'Suggestions',
}
const strings = req.lng == 'de' ? stringsDe : stringsEn
const levelData = levels[level]
res.renderPage({
page: 'mortal-coil',
heading: 'Mortal Coil - Level ' + level,
backButton: false,
content: `
<p><a href="/map">${strings.back}</a> | <a href="/mortal-coil/stats">${
strings.statistics
}</a> | <span style="cursor:pointer;color:gray;" id="jump">${
strings.jump
} ...</span></p>
${
level == 0
? `
<p>${strings.description}
</p>
`
: ''
}
<script>var maxLevel = ${maxLevel};var token = "${generateToken(
req.user.id
)}"; var level = ${level}; var width = ${
levelData.width
}; var height = ${levelData.height}; var boardStr = "${
levelData.boardStr
}"; var lng = "${req.lng}"</script>
<div id="coilframe">
<button id="coilrestart" class="btn btn-sm btn-primary">
${strings.restart}
</button>
<button id="coilundo" class="btn btn-sm btn-secondary">
${strings.undo}
</button>
<div id="coilgame">
<div id="coilgame_inner"></div>
</div>
<button id="coilcontinue"
class="btn btn-success">
${strings.nextLevel}
</button>
<div style="bottom:4px;left:36px;position:absolute;color:lightgray;">
Status: <span id="status_message"></span>
</div>
<div style="position:absolute; right:24px; bottom: 4px; color: lightgray">
${
strings.autocomplete
}: <strong id="autocomplete_toggle" style="cursor:pointer;user-select:none;text-decoration:underline;"></strong>
</div>
</div>
<p style="color:gray;margin-left:44px;line-height:1"><small>Puzzle concept by Erich Friedman. Art by Omar Aria. JS version by AdarkTheCoder. Adapted from hacker.org.</small></p>
<div style="height:200px;"></div>
<script>
document.getElementById('jump').addEventListener('click', (e) => {
const level = prompt('${capitalizeFirstLetter(
strings.jump
)} (0-' + ${playerLevel} + ')')
if (typeof level === 'string' && level.length > 0)
window.location.href = window.location.href.split('?')[0] + '?level=' + level
})
</script>
<script src="/jquery-3.6.0.js"></script>
<script src="/mortal-coil/coil.js"></script>
<link rel="stylesheet" href="/mortal-coil/coil.css" />
`,
})
})
App.express.get('/mortal-coil/stats', async (req, res) => {
const cutoff = '2024-02-09'
const allUsers = await App.db.models.KVPair.findAll({
where: {
key: {
[Sequelize.Op.like]: 'mortalcoil_%',
},
updatedAt: {
[Sequelize.Op.gte]: new Date(cutoff),
},
},
raw: true,
})
const levels = allUsers.map((entry) => {
return parseInt(entry.value)
})
const count = {}
for (let i = 1; i <= maxLevel; i++) {
count[i] = 0
}
levels.forEach((level) => count[level]++)
const entries = Object.entries(count)
const lastActive = await App.db.models.KVPair.findAll({
where: {
key: {
[Sequelize.Op.like]: 'mortalcoil_%',
},
},
order: [['updatedAt', 'DESC']],
limit: 10,
raw: true,
})
const userIds = []
lastActive.forEach((entry) => {
entry.id = parseInt(entry.key.split('_')[1])
userIds.push(entry.id)
})
const userNames = await App.db.models.User.findAll({
where: { id: userIds },
raw: true,
})
const userNameIndex = userNames.reduce((res, obj) => {
res[obj.id] = obj.name
return res
}, {})
const stringsDe = {
statistics: 'Statistik',
back: 'zurück',
label: 'Anzahl',
dataRange: 'Daten ab',
lastSolved: 'Zuletzt erreicht',
by: 'von',
}
const stringsEn = {
statistics: 'Statistics',
back: 'back',
label: 'Count',
dataRange: 'Data from',
lastSolved: 'Last reached',
by: 'by',
}
const strings = req.lng == 'de' ? stringsDe : stringsEn
res.renderPage({
page: 'decode-me-stats',
heading: 'Mortal Coil - ' + strings.statistics,
backButton: false,
content: `
<p><a href="/mortal-coil">${strings.back}</a></p>
<h4>${strings.lastSolved}</h4>
<ul>
${lastActive
.map((entry) => {
return `<li>Level ${entry.value} ${strings.by} ${
userNameIndex[entry.id]
} ${App.moment(new Date(entry.updatedAt))
.locale(req.lng)
.fromNow()}</li>`
})
.join(' ')}
</ul>
<div style="height:32px"></div>
<h4>Verteilung</h4>
<canvas id="myChart"></canvas>
<div style="height:32px"></div>
<p style="text-align:right"><small style="color:gray;">${
strings.dataRange
} ${cutoff}</small></p>
<div style="height:32px"></div>
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<script>
const ctx = document.getElementById('myChart');
new Chart(ctx, {
type: 'bar',
data: {
labels: ${JSON.stringify(entries.map((e) => e[0]))},
datasets: [{
label: '${strings.label}',
data: ${JSON.stringify(entries.map((e) => e[1]))}
}]
},
options: {
scales: {
y: {
beginAtZero: true
}
},
plugins: {
legend: {
display: false
}
}
}
});
</script>
`,
})
})
}
function verifyLevel(level, x, y, path) {
const { height, width, boardStr } = levels[level]
if (isNaN(x) || isNaN(y) || x < 0 || y < 0 || x >= width || y >= height) {
return false
}
const board = new Array(height)
for (let row = 0; row < height; ++row) {
board[row] = new Array(width)
for (let col = 0; col < width; ++col) {
isWall = boardStr.charAt(row * width + col) === 'X'
board[row][col] = { wall: isWall, visited: isWall }
}
}
if (board[y][x].visited) {
return false
} else {
board[y][x].visited = true
}
const cur = { x, y }
for (const char of [...path]) {
if (char == 'U') {
move(0, -1)
} else if (char == 'D') {
move(0, 1)
} else if (char == 'L') {
move(-1, 0)
} else if (char == 'R') {
move(1, 0)
} else {
return false // invalid char
}
}
function move(dx, dy) {
let x = cur.x + dx
let y = cur.y + dy
while (board[y] && board[y][x] && !board[y][x].visited) {
cur.x = x
cur.y = y
board[y][x].visited = true
x += dx
y += dy
}
}
let unvisited = 0
for (let row = 0; row < height; ++row) {
for (let col = 0; col < width; ++col) {
if (!board[row][col].visited) {
unvisited++
}
}
}
return unvisited == 0
}