218 lines
7.5 KiB
JavaScript
218 lines
7.5 KiB
JavaScript
const express = require('express')
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const 游戏 = express()
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游戏.use(express.static('public'))
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const 主机 = process.env.HOST || '0.0.0.0'
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const 端口 = process.env.PORT || 3000
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const 服务器 = 游戏.listen(端口, 主机, () => console.log(`小猫钓鱼游戏服务运行在 http://${主机}:${端口}/`))
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const IO = require('socket.io')(服务器)
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const clients = [] // 所有客户
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const players = [] // 所有玩家
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let cardsOnTable = [] // 桌上的牌
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let currentPlayerNumber = -1 // 当前玩家序号
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IO.on('connection', (client) => {
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addClient(client)
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client.on('disconnect', () => removeClient(client))
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client.on('join', () => playerJoin(client))
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client.on('go', () => go(client))
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})
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function addClient(client) {
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client.cards = []
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clients.push(client)
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IO.emit('onlineNumber', clients.length)
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client.emit('playersNumber', players.length)
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client.emit('join', 0)
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gameStatus() // TODO：只告诉当前加入的客户端
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console.info(`新客户端已连接，当前客户端${clients.length}个`)
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}
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function removeClient(client) {
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let index = clients.indexOf(client)
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clients.splice(index, 1)
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IO.emit('onlineNumber', clients.length)
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console.log(`已断开，当前客户端${clients.length}个`)
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if (players.includes(client)) {
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index = players.indexOf(client)
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players.splice(index, 1)
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IO.emit('playersNumber', players.length)
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// 游戏被迫结束？
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if (players.length == 2) {
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gameFinished()
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IO.emit('alert', `玩家${index + 1}掉线了`)
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}
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}
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}
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function playerJoin(player) {
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if (players.length < 3) {
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let playerIndex = players.indexOf(player)
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let playerNumber = playerIndex + 1
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if (playerNumber > 0) {
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playerNumber = 0
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players.splice(playerIndex, 1)
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console.log(`玩家${playerNumber} 已退出，当前玩家数：${players.length}`)
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} else {
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players.push(player)
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playerNumber = players.indexOf(player) + 1
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console.log(`玩家${playerNumber} 已加入，当前玩家数：${players.length}`)
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player.cards = []
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if (players.length === 3) gameStart()
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}
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player.emit('join', playerNumber)
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IO.emit('playersNumber', players.length)
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}
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}
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function gameStart() {
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console.log('游戏开始')
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cardsOnTable.length = 0
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currentPlayerNumber = 0
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// 洗牌，每玩家发18张
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const drawer = [
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{ color: '♠️', value: '2' },
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{ color: '♠️', value: '3' },
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{ color: '♠️', value: '4' },
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{ color: '♠️', value: '5' },
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{ color: '♠️', value: '6' },
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{ color: '♠️', value: '7' },
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{ color: '♠️', value: '8' },
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{ color: '♠️', value: '9' },
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{ color: '♠️', value: '10' },
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{ color: '♠️', value: 'J' },
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{ color: '♠️', value: 'Q' },
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{ color: '♠️', value: 'K' },
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{ color: '♠️', value: 'A' },
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{ color: '♥️', value: '2' },
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{ color: '♥️', value: '3' },
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{ color: '♥️', value: '4' },
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{ color: '♥️', value: '5' },
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{ color: '♥️', value: '6' },
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{ color: '♥️', value: '7' },
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{ color: '♥️', value: '8' },
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{ color: '♥️', value: '9' },
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{ color: '♥️', value: '10' },
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{ color: '♥️', value: 'J' },
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{ color: '♥️', value: 'Q' },
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{ color: '♥️', value: 'K' },
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{ color: '♥️', value: 'A' },
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{ color: '♣️', value: '2' },
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{ color: '♣️', value: '3' },
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{ color: '♣️', value: '4' },
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{ color: '♣️', value: '5' },
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{ color: '♣️', value: '6' },
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{ color: '♣️', value: '7' },
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{ color: '♣️', value: '8' },
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{ color: '♣️', value: '9' },
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{ color: '♣️', value: '10' },
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{ color: '♣️', value: 'J' },
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{ color: '♣️', value: 'Q' },
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{ color: '♣️', value: 'K' },
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{ color: '♣️', value: 'A' },
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{ color: '♦️', value: '2' },
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{ color: '♦️', value: '3' },
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{ color: '♦️', value: '4' },
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{ color: '♦️', value: '5' },
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{ color: '♦️', value: '6' },
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{ color: '♦️', value: '7' },
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{ color: '♦️', value: '8' },
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{ color: '♦️', value: '9' },
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{ color: '♦️', value: '10' },
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{ color: '♦️', value: 'J' },
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{ color: '♦️', value: 'Q' },
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{ color: '♦️', value: 'K' },
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{ color: '♦️', value: 'A' },
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{ color: '小', value: 'Joker' },
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{ color: '大', value: 'Joker' },
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]
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while (drawer.length > 0) {
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let index = Math.floor(Math.random() * drawer.length)
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let card = drawer[index]
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players[currentPlayerNumber].cards.push(card)
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drawer.splice(index, 1)
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currentPlayerNumber = (currentPlayerNumber + 1) % 3
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}
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gameStatus()
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}
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function gameStatus() {
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const cardsNumbers = []
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for (let player of players) {
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cardsNumbers.push(player.cards.length)
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}
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const cardsStrings = []
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for (let card of cardsOnTable) {
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cardsStrings.push(`[${card.color}${card.value}]`)
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}
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IO.emit('status', {
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players: cardsNumbers,
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cards: cardsStrings.join(''),
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current: currentPlayerNumber,
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})
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}
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function go(client) {
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if (currentPlayerNumber != -1 && players.indexOf(client) === currentPlayerNumber) {
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let card = players[currentPlayerNumber].cards[0]
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players[currentPlayerNumber].cards.splice(0, 1)
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console.log(`玩家${currentPlayerNumber + 1} 出牌 [${card.color} ${card.value}]`)
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// 判断有没有钓到
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let i = 0
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let getit = false
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for (i = 0; i < cardsOnTable.length; i++) {
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if (cardsOnTable[i].value == card.value) {
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getit = true
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break
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}
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}
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if (getit) {
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// 将第i张牌后面的牌和玩家刚出的牌一起拿走放回玩家手中的牌后面
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const fishes = [...cardsOnTable.slice(i), card]
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console.log(`玩家${currentPlayerNumber + 1} 钓到 ${fishes.length} 条鱼`)
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players[currentPlayerNumber].cards = players[currentPlayerNumber].cards.concat(fishes)
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cardsOnTable = cardsOnTable.slice(0, i)
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} else {
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cardsOnTable.push(card)
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if (players[currentPlayerNumber].cards.length == 0) {
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client.emit('alert', '你输了')
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}
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currentPlayerNumber = (currentPlayerNumber + 1) % 3
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while (players[currentPlayerNumber].cards.length == 0) {
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currentPlayerNumber = (currentPlayerNumber + 1) % 3
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}
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}
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gameStatus()
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// 游戏结束了？
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let looser = 0
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let winner = 0
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for (let index = 0; index < players.length; index++) {
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const player = players[index]
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if (player.cards.length == 0) looser++
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else winner = index + 1
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}
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if (looser >= 2) {
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gameFinished()
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players[index].emit('alert', '你赢了！')
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players[index].broadcast.emit('alert', `玩家${winner} 获胜了！`)
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}
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}
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}
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function gameFinished() {
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players.length = 0
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cardsOnTable.length = 0
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currentPlayerNumber = -1
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IO.emit('join', 0)
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IO.emit('playersNumber', 0)
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IO.emit('status', { players: [0, 0, 0], cards: '', current: currentPlayerNumber })
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}
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