websocket实现五子棋联机对战
GoBang.html // 对弈的页面
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{
padding: 0;margin: 0;
}
html,body{width:100%;height: 100%;}
div{
text-align: center;
}
div button{
line-height: 50px;
font-size: 36px;
}
.canvas{
margin: 0 auto;
}
</style>
</head>
<body>
<div class="canvas">
<canvas id="gobang"></canvas>
</div>
<div>
<button id="regret">悔棋</button>
<button id="chessAgain">再来一局</button>
<button id="goHome">返回大厅</button>
<button id="getConnection">获取connection</button>
</div>
</body>
<script type="text/javascript">
var user,chessBoard,next;
var gobang;
if(sessionStorage.getItem("user")){
user = JSON.parse(sessionStorage.getItem("user"));
var qs = qs2obj(location.href);
if(qs.player1==user.name){ // 玩家1
console.log("玩家1");
user.type = "player1";
}else if(qs.player2==user.name){// 玩家2
console.log("玩家2");
user.type = "player2";
}else{
console.log("观众");
user.type = "viewer";
}
user.roomId = qs.roomId;
}else{
location.href = "index.html";
}
var ws = new WebSocket("ws://10.100.106.114:9000");
ws.onopen = function(e){
sendUserMsg();
}
ws.onerror = function(e){
console.log("链接服务器失败");
}
ws.onclose = function(e){
console.log("链接断开");
}
ws.onmessage = function(e){
console.log(e.data);
var data = JSON.parse(e.data);
switch(data.type){
case "baseMsg":
break;
case "chessBoard":
chessBoard = data.data;
next = data.next;
gobang.pieces = chessBoard;
gobang.active = next;
gobang.renderUi();
gobang.highLight(data.lastStep.x,data.lastStep.y,gobang.active);
gobang.hisStatus.push(gobang.deepClone(gobang.pieces));//历史记录（悔棋复盘功能使用）
gobang.getVictor();
break;
case "users":
break;
default:;
}
}
function sendUserMsg(){
var msg = {};
msg.type = "user";
msg.data = user;
ws.send(JSON.stringify(msg));
}
function sendChessBoard(next,chessBoard,x,y){
var msg = {};
msg.type = "chess";
msg.next = next;// 下一个走棋的玩家
msg.data = chessBoard;
msg.roomId = user.roomId;
msg.lastStep = {x:x,y:y};
ws.send(JSON.stringify(msg));
}
function sendVictor(){
var msg = {};
msg.type = "victor";
msg.data = victor;
ws.send(JSON.stringify(msg));
}
function chessAgain(eventOrigin){
var msg = {};
msg.type = "again";
msg.data = {eventOrigin:eventOrigin};
ws.send(JSON.stringify(msg));
}
function getConnection(){
var msg = {};
msg.type = "connection";
msg.data = {};
ws.send(JSON.stringify(msg));
}
/**
* @author web得胜
* @param {String} url url地址栏
* @return {Object}
*/
function qs2obj(url) {
var qs = url.split("?")[1];
var arr = [];
var res = {};
if(!qs) {
// return res;
} else {
arr = qs.split("&");
for(var i = 0, len = arr.length; i < len; i++) {
var key = arr[i].split("=")[0];
var val = arr[i].split("=")[1];
res[key] = decodeURIComponent(val);
}
}
return res;
}
</script>
<script type="text/javascript">
// 五子棋
class Gobang {
constructor(canvasId, rowCount = 16) {
this.canvasId = canvasId;
this.rowCount = rowCount;
this.resetData();
}
// 渲染页面
renderUi() {
//清除之前的画布
this.ctx.clearRect(0, 0, this.width, this.height);
// 重绘画布
this.drawChessBoard();
this.drawPieces();
}
// 重置数据，再来一局
resetData() {
var body = document.documentElement || document.body;
var minWidth = Math.min(body.clientWidth,body.clientHeight);
// 属性
this.pieces = []; // 棋子数组 二位数组[[],[]] 0——空 1——白 2——黑
this.colCount = this.rowCount; // 列数
this.cellWidth = minWidth / (this.rowCount); //每个格子的宽
this.width = this.rowCount * this.cellWidth; // 棋盘的宽
this.height = this.width; // 棋盘的高
this.R = this.cellWidth * 0.4; // 棋子半径
this.hisStatus = []; // 历史记录 history status
this.active = 2; // 当前走棋方
this.canvas = document.getElementById(this.canvasId); // canvas DOM
this.ctx = this.canvas.getContext("2d"); // canvas环境
this.victor = 0; // 胜利方
this.canContinue = true; // 是否可以继续下棋（产生赢家以后不可以）
this.myPositions = []; // 我方的推荐位置数组 格式：{x:5,y:6,weight:8}
this.enemyPositions = []; // 敌方的推荐位置数组
this.init();
}
// 初始化数据
init() {
this.initCanvas();
this.initPiece();
this.renderUi();
}
// 暂时给棋盘中间加一个黑棋
first(){
var center = Math.floor((this.rowCount+1)/2);
this.pieces[center][center] = this.active;
this.hisStatus[1] = this.deepClone(this.pieces);
this.exchange();
}
// 设置棋盘的宽高
initCanvas() {
this.canvas.width = this.width;
this.canvas.height = this.height;
}
// 初始化棋子
initPiece() {
var initPieces = [];
for(let i = 0; i <= this.rowCount; i++) { // 行
initPieces.push([]);
for(let j = 0; j <= this.colCount; j++) { // 列
if(i==0 || j==0 || i==this.rowCount || j==this.rowCount){
initPieces[i].push(-1); // 不可以走的位置-1 空0 白1 黑2
}else{
initPieces[i].push(0); // 空0 白1 黑2
}
}
}
this.pieces = this.deepClone(initPieces);
this.hisStatus[0] = this.deepClone(initPieces);
//this.first();
}
// 获取某个棋子的颜色 0——空 1——白 2——黑
getColor (num){
var res = "";
switch(num){
case 0:
res = "";
break;
case 2:
res = "black";
break;
case 1:
res = "white";
break;
case -1:
res = "yellow";
break;
default:
res="red"; // 错误了
}
return res;
}
// 画棋盘
drawChessBoard() {
// 背景
this.ctx.beginPath();
this.ctx.rect(0, 0, this.width, this.height);
this.ctx.closePath();
this.ctx.fillStyle = "#0099CC";
this.ctx.fill();
// 画横线
this.ctx.beginPath();
for(let i = 0; i < this.rowCount; i++) {
this.ctx.moveTo(0, this.cellWidth * i);
this.ctx.lineTo(this.width, this.cellWidth * i);
}
this.ctx.strokeStyle = "#000000";
this.ctx.stroke();
// 画纵线
this.ctx.beginPath();
for(let i = 0; i < this.colCount; i++) {
this.ctx.moveTo( this.cellWidth * i, 0);
this.ctx.lineTo( this.cellWidth * i, this.height);
}
this.ctx.strokeStyle = "#000000";
this.ctx.stroke();
}
// 画一个棋子
drawDot(x, y, r, color) {
this.ctx.beginPath();
this.ctx.arc(x, y, r, 0, 2 * Math.PI);
this.ctx.closePath();
this.ctx.fillStyle = color;
this.ctx.fill();
}
// 画所有的棋子
drawPieces() {
//console.log(this.pieces)
for(var i = 0; i < this.pieces.length; i++) { // 边界线不让走棋
for(let j=0; j < this.pieces[i].length;j++){
// if(this.pieces[i][j] == 1 || this.pieces[i][j] == 2){
if(this.pieces[i][j] !== 0){
var x = i * this.cellWidth;
var y = j * this.cellWidth;
// var y = j * this.cellWidth - this.cellWidth/2;
this.drawDot(x,y,this.R,this.getColor(this.pieces[i][j]));
}
}
}
}
// 高亮最近走的棋子
highLight(x,y,oneSide){
var anotherSide = oneSide == 1 ? 2 :1;
this.ctx.beginPath();
this.ctx.moveTo(x * this.cellWidth - 10, y * this.cellWidth);
this.ctx.lineTo(x * this.cellWidth + 10, y * this.cellWidth);
this.ctx.moveTo(x * this.cellWidth, y * this.cellWidth - 10);
this.ctx.lineTo(x * this.cellWidth, y * this.cellWidth + 10);
this.ctx.closePath();
this.ctx.strokeStyle = this.getColor(oneSide);
this.ctx.stroke();
}
//
drawOnePiece(i,j){
var x = i * this.cellWidth;
var y = j * this.cellWidth;
this.drawDot(x,y,this.R,this.getColor(this.active));
}
// 判断是否可以走这一步
canGo(x, y) {
if(this.canContinue === false){
alert("游戏已结束");
return false;
}
if(x==0 || y==0 || x==this.rowCount || y==this.rowCount){
alert("边界上不可以走棋哦");
return false;
}
if(this.pieces[x][y]==0){
return true;
}else {
return false;
}
}
// 切换角色（换着走棋）
exchange(){
this.active = this.active == 1 ? 2 : 1;
}
// 走一步棋
goStep(x,y) {
// 判断这一步是否可以走
if(this.canGo(x,y)){
console.log(this.active, user.type.slice(-1))
if(this.active == user.type.slice(-1)){
this.pieces[x][y] = this.active;//添加棋子
this.exchange();
sendChessBoard(this.active,this.pieces,x,y);
// this.renderUi();
// this.hisStatus.push(this.deepClone(this.pieces));//历史记录（悔棋复盘功能使用）
// this.getVictor();//这里有个坑，棋子还没有画上去，已经把输赢判断了？？？？
// this.exchange();
}else{
alert("轮到对方走棋了");
}
/*if(this.active == 1 && !this.victor){ // 白棋，机器人
this.helpRecommend(this.active);
console.log(this.myPositions,this.enemyPositions)
var p = this.bestPosition();
console.log(p);
this.pieces[p.x][p.y] = this.active;
this.drawOnePiece(p.x,p.y);
this.hisStatus.push(this.deepClone(this.pieces));//历史记录（悔棋复盘功能使用）
this.getVictor();
this.exchange();
// this.renderUi();
}*/
}else {
// alert("这个位置已经被占领了，换个位置走吧");
}
}
// 悔棋
regret() {
if(this.hisStatus.length<=1){
console.log("当前不可以悔棋了");
return;
}
this.hisStatus.pop();
this.hisStatus.pop();
this.pieces = this.deepClone(this.hisStatus[this.hisStatus.length-1]);
// this.exchange();
this.renderUi();
}
//
helpRecommend(oneSide){
var enemySide = oneSide == 1 ? 2 : 1;
this.myPositions = [];
this.enemyPositions = [];
for(let i=1;i<this.rowCount;i++){
for(let j=1;j<this.rowCount;j++){
// var arr = ["r","rd","d","ld","l","lt","t","rt"];
var arr = ["r","rd","d","ld"];
// 权重相关变量 forward backward center double null
var n2f1 = 0.2, // 两头空时 前面第一个空位置的权重
n2f2 = 0.1, // 两头空时 前面第二个空位置的权重
n2b1 = n2f1,
n2b2 = n2f2,
n1f1 = -0.1, // 一头空另一头是敌方或边界时 前面第一个空位置的权重
n1f2 = -0.2,
n1b1 = n1f1,
n1b2 = n1f2,
dn2c = 0.2, // 有两个片段时 两端都是空的时 中间位置的权重
dn2b1 = 0.1,// 有两个片段时 两端都是空的时 后方第一个位置的权重
dn2f1 = dn2b1,
dn1c = -0.1,
dn1b1 = -0.1,
dn1f1 = dn1b1;
if(this.pieces[i][j]==oneSide){ // 我方
for(var d =0;d<arr.length;d++){
var count = 0;
count = this.directionCount(arr[d],oneSide,i,j);
var nd = this.nd(arr[d]);
var h = nd.h;
var v = nd.v;
// 某个方向的末端的推荐权重 (权重暂时认为后方第一个位置和第二位位置一样) 两头空的+0.2 一端空的+0 两端都死的考虑能否凑5个子
if(this.pieces[i-1*h] && this.pieces[i-1*h][j-1*v] === 0){ // 前1空
if(this.pieces[i+count*h] && this.pieces[i+count*h][j+count*v] === 0){ // 末1空
if(this.pieces[i+(count+1)*h] && this.pieces[i+(count+1)*h][j+(count+1)*v] === 0){ //末2空
this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+n2b1));
this.sumWeight(this.myPositions,i+(count+1)*h,j+(count+1)*v,10**(count+n2b2));
}else if(this.pieces[i+(count+1)*h] && this.pieces[i+(count+1)*h][j+(count+1)*v] === oneSide){ // 末2己
let count2 = this.directionCount(arr[d],oneSide,i+(count+1)*h,j+(count+1)*v);
if(this.pieces[i+(count+1+count2)*h] && this.pieces[i+(count+1+count2)*h][j+(count+1+count2)*v] === 0){
this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+count2+dn2c));
this.sumWeight(this.myPositions,i+(count+1+count2)*h,j+(count+1+count2)*v,10**(count+count2+dn2b1));
}else {
this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+count2+dn1c));
}
}else { //末2敌或边界
this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+n1b1));
}
}else { // 末1敌或边界 末1不可能是己方的
// 末端没有推荐的位置
}
}else if(this.pieces[i-1*h] && this.pieces[i-1*h][j-1*v] === oneSide){ // 前1己 这里已经计算过了，跳过逻辑
continue;
}else { // 前1 敌方或边界
if(this.pieces[i+count*h] && this.pieces[i+count*h][j+count*v] === 0){ // 末1空
if(this.pieces[i+(count+1)*h] && this.pieces[i+(count+1)*h][j+(count+1)*v] === 0){ //末2空
this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+n1b1));
this.sumWeight(this.myPositions,i+(count+1)*h,j+(count+1)*v,10**(count+n1b2));
}else if(this.pieces[i+(count+1)*h] && this.pieces[i+(count+1)*h][j+(count+1)*v] === oneSide){ // 末2己
// this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+0.1));
let count2 = this.directionCount(arr[d],oneSide,i+(count+1)*h,j+(count+1)*v);
if(this.pieces[i+(count+1+count2)*h] && this.pieces[i+(count+1+count2)*h][j+(count+1+count2)*v] === 0){
this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+count2+dn1c));
this.sumWeight(this.myPositions,i+(count+1+count2)*h,j+(count+1+count2)*v,10**(count+count2+dn1b1));
}else {// 两端是死的 中间要么是5要么就没意义
if(count+1+count2 == 5){
this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+count2+1));
}else{
this.sumWeight(this.myPositions,i+count*h,j+count*v,0);
//console.log("中间凑不够5个，中间权重是0");
}
}
}else { //末2敌或边界
if(count==4){ // 只有四颗子的时候这个位置才有意义
this.sumWeight(this.myPositions,i+count*h,j+count*v,10**(count+1));
}
}
}else { // 末1敌或边界 末1不可能是己方的
// 走不了了
}
}
// 某个方向的前端的推荐权重
if(this.pieces[i+count*h] && this.pieces[i+count*h][j+count*v] === 0){ // 后1空
if(this.pieces[i-1*h] && this.pieces[i-1*h][j-1*v] === 0){ // 前1空
if(this.pieces[i-2*h] && this.pieces[i-2*h][j-2*v] === 0){ //前2空
this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+n2f1));
this.sumWeight(this.myPositions,i-2*h,j-2*v,10**(count+n2f2));
}else if(this.pieces[i-2*h] && this.pieces[i-2*h][j-2*v] === oneSide){ // 前2己
// this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+0.3));
let count2 = this.directionCount(this.reverseDirection(arr[d]),oneSide,i-2*h,j-2*v);
if(this.pieces[i-(1+count2)*h] && this.pieces[i-(1+count2)*h][j-(1+count2)*v] === 0){
this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+count2+dn2c));
this.sumWeight(this.myPositions,i-(1+count2)*h,j-(1+count2)*v,10**(count+count2+dn2f1));
}else {
this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+count2+dn1c));
this.sumWeight(this.myPositions,i-(1+count2)*h,j-(1+count2)*v,10**(count+count2+dn1f1));
}
}else { //前2敌或边界
this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+n1f1));
}
}else { // 前1敌或边界 前1不可能是己方的
// 前端没有推荐的位置
}
}else if(this.pieces[i+count*h] && this.pieces[i+count*h][j+count*v] === oneSide){ // 后1己 这里已经计算过了，跳过逻辑
continue;
}else { // 后1 敌方或边界
if(this.pieces[i-1*h] && this.pieces[i-1*h][j-1*v] === 0){ // 前1空
if(this.pieces[i-2*h] && this.pieces[i-2*h][j-2*v] === 0){ //前2空
this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+n1f1));
this.sumWeight(this.myPositions,i-2*h,j-2*v,10**(count+n1f2));
}else if(this.pieces[i-2*h] && this.pieces[i-2*h][j-2*v] === oneSide){ // 前2己
// this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+0.1));
let count2 = this.directionCount(this.reverseDirection(arr[d]),oneSide,i-2*h,j-2*v);
if(this.pieces[i-(1+count2)*h] && this.pieces[i-(1+count2)*h][j-(1+count2)*v] === 0){
this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+count2+dn1c));
this.sumWeight(this.myPositions,i-(1+count2)*h,j-(1+count2)*v,10**(count+count2+dn1f1));
}else {
if(count+1+count2 == 5){
this.sumWeight(this.myPositions,i-1*h,j-1*v,10**(count+count2+1));
}else{
this.sumWeight(this.myPositions,i-1*h,j-1*v,0);
//console.log("中间凑不够5个，中间权重是0");
}
}
}else { //前2敌或边界
if(count==4){ // 只有四颗子的时候这个位置才有意义
this.sumWeight(this.myPositions,i-2*h,j-2*v,10**(count+1));
}
}
}else { // 前1敌或边界 前1不可能是己方的
// 前后都是敌，推荐个锤子
}
}
}
}else if(this.pieces[i][j]==enemySide){ // 敌方
for(var d =0;d<arr.length;d++){
var count = 0;
count = this.directionCount(arr[d],enemySide,i,j);
var nd = this.nd(arr[d]);
var h = nd.h;
var v = nd.v;
// 某个方向的末端的推荐权重
if(this.pieces[i-1*h] && this.pieces[i-1*h][j-1*v] === 0){ // 前1空
if(this.pieces[i+count*h] && this.pieces[i+count*h][j+count*v] === 0){ // 末1空
if(this.pieces[i+(count+1)*h] && this.pieces[i+(count+1)*h][j+(count+1)*v] === 0){ //末2空
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+n2b1));
this.sumWeight(this.enemyPositions,i+(count+1)*h,j+(count+1)*v,10**(count+n2b2));
}else if(this.pieces[i+(count+1)*h] && this.pieces[i+(count+1)*h][j+(count+1)*v] === enemySide){ // 末2己
let count2 = this.directionCount(arr[d],enemySide,i+(count+1)*h,j+(count+1)*v);
if(this.pieces[i+(count+1+count2)*h] && this.pieces[i+(count+1+count2)*h][j+(count+1+count2)*v] === 0){
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+count2+dn2c));
this.sumWeight(this.enemyPositions,i+(count+1+count2)*h,j+(count+1+count2)*v,10**(count+count2+dn2b1));
}else {
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+count2+dn1c));
}
// this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+0.3));
}else { //末2敌或边界
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+n1b1));
}
}else { // 末1敌或边界 末1不可能是己方的
// 末端没有推荐的位置
}
}else if(this.pieces[i-1*h] && this.pieces[i-1*h][j-1*v] === enemySide){ // 前1己 这里已经计算过了，跳过逻辑
continue;
}else { // 前1 敌方或边界
if(this.pieces[i+count*h] && this.pieces[i+count*h][j+count*v] === 0){ // 末1空
if(this.pieces[i+(count+1)*h] && this.pieces[i+(count+1)*h][j+(count+1)*v] === 0){ //末2空
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+n1b1));
this.sumWeight(this.enemyPositions,i+(count+1)*h,j+(count+1)*v,10**(count+n1b2));
}else if(this.pieces[i+(count+1)*h] && this.pieces[i+(count+1)*h][j+(count+1)*v] === enemySide){ // 末2己
//this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+0.1));
let count2 = this.directionCount(arr[d],enemySide,i+(count+1)*h,j+(count+1)*v);
if(this.pieces[i+(count+1+count2)*h] && this.pieces[i+(count+1+count2)*h][j+(count+1+count2)*v] === 0){
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+count2+dn1c));
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+count2+dn1f1));
}else {// 两端是死的，看中间够5个不
if(count+1+count2 == 5){
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+count2+1));
}else{
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,0);
//console.log("中间凑不够5个，中间权重是0");
}
}
}else { //末2敌或边界
if(count==4){ // 只有四颗子的时候这个位置才有意义
this.sumWeight(this.enemyPositions,i+count*h,j+count*v,10**(count+1));
}
}
}else { // 末1敌或边界 末1不可能是己方的
// 走不了了
}
}
// 某个方向的前端的推荐权重
if(this.pieces[i+count*h] && this.pieces[i+count*h][j+count*v] === 0){ // 后1空
if(this.pieces[i-1*h] && this.pieces[i-1*h][j-1*v] === 0){ // 前1空
if(this.pieces[i-2*h] && this.pieces[i-2*h][j-2*v] === 0){ //前2空
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+n2f1));
this.sumWeight(this.enemyPositions,i-2*h,j-2*v,10**(count+n2f2));
}else if(this.pieces[i-2*h] && this.pieces[i-2*h][j-2*v] === enemySide){ // 前2己
// this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+0.3));
let count2 = this.directionCount(this.reverseDirection(arr[d]),enemySide,i-2*h,j-2*v);
if(this.pieces[i-(1+count2)*h] && this.pieces[i-(1+count2)*h][j-(1+count2)*v] === 0){
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+count2+dn2c));
this.sumWeight(this.enemyPositions,i-(1+count2)*h,j-(1+count2)*v,10**(count+count2+dn2f1));
}else {
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+count2+dn1c));
}
}else { //前2敌或边界
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+dn1c));
}
}else { // 前1敌或边界 前1不可能是己方的
// 前端没有推荐的位置
}
}else if(this.pieces[i+count*h] && this.pieces[i+count*h][j+count*v] === enemySide){ // 后1己 这里已经计算过了，跳过逻辑
continue;
}else { // 后1 敌方或边界
if(this.pieces[i-1*h] && this.pieces[i-1*h][j-1*v] === 0){ // 前1空
if(this.pieces[i-2*h] && this.pieces[i-2*h][j-2*v] === 0){ //前2空
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+n1f1));
this.sumWeight(this.enemyPositions,i-2*h,j-2*v,10**(count+n1f2));
}else if(this.pieces[i-2*h] && this.pieces[i-2*h][j-2*v] === enemySide){ // 前2己
// this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+0.1));
let count2 = this.directionCount(this.reverseDirection(arr[d]),enemySide,i-2*h,j-2*v);
if(this.pieces[i-(1+count2)*h] && this.pieces[i-(1+count2)*h][j-(1+count2)*v] === 0){
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+count2+dn1c));
this.sumWeight(this.enemyPositions,i-(1+count2)*h,j-(1+count2)*v,10**(count+count2+dn1f1));
}else { // 前后是死的
if(count+1+count2 == 5){
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+count2+1));
}else{
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,0);
//console.log("中间凑不够5个，中间权重是0");
}
}
}else { //前2敌或边界
if(count==4){ // 只有四颗子的时候这个位置才有意义
this.sumWeight(this.enemyPositions,i-1*h,j-1*v,10**(count+1));
}
}
}else { // 前1敌或边界 前1不可能是己方的
// 前后都是敌，推荐个锤子
}
}
}
}
}
}
}
reverseDirection(direction){
var rd = "";
switch(direction){
case "r":
rd = "l";break;
case "rd":
rd = "lt";break;
case "d":
rd = "t";break;
case "ld":
rd = "rt";break;
case "l":
rd = "r";break;
case "lt":
rd = "rd";break;
case "t":
rd = "d";break;
case "rt":
rd = "ld";break;
default: console.error("输入方向不对，无法反转");
}
return rd;
}
// 方向数字化numberDirection r(1,0) rd(1,1) ld(-1,1)
nd(direction){
var res = {h:0,v:0}; // h horizontal v vertical
switch(direction){
case "r":
res.h = 1;
res.v = 0;
break;
case "rd":
res.h = 1;
res.v = 1;
break;
case "d":
res.h = 0;
res.v = 1;
break;
case "ld":
res.h = -1;
res.v = 1;
break;
case "l":
res.h = -1;
res.v = 0;
break;
case "lt":
res.h = -1;
res.v = -1;
break;
case "t":
res.h = 0;
res.v = -1;
break;
case "rt":
res.h = 1;
res.v = -1;
break;
default: console.error("方向输入有误");
}
return res;
}
// 合并同一个位置的权重
sumWeight(arr,x,y,weight){
var index = -1;
for(let i=0,len=arr.length;i<len;i++){
if(arr[i].x==x && arr[i].y==y){
index = i;
break;
}
}
if(index!=-1){ // 如果已存在则权重相加
arr[index].weight += weight;
}else{ // 如果不存在则添加一条
arr.push({x,y,weight});
}
}
// 从推荐位置中找出最佳位置 权重最大的位置
bestPosition (){
var myMax=0,myP={},myArr=[];
for(let i=0,len=this.myPositions.length;i<len;i++){
if(this.myPositions[i].weight>myMax){
myMax = this.myPositions[i].weight;
myP.x = this.myPositions[i].x;
myP.y = this.myPositions[i].y;
}
}
var enemyMax = 0, enemyP = {}, enemyArr = [];
for(let i=0,len=this.enemyPositions.length;i<len;i++){
if(this.enemyPositions[i].weight>enemyMax){
enemyMax = this.enemyPositions[i].weight;
enemyP.x = this.enemyPositions[i].x;
enemyP.y = this.enemyPositions[i].y;
}
}
// console.log(this.myPositions,this.ememyPositions);
// console.log("敌方权重最大："+enemyMax,"我方权重最大："+myMax);
for(let i=0,len=this.myPositions.length;i<len;i++){
if(this.myPositions[i]==myMax){
myArr.push(this.deepClone(this.myPositions[i]));
}
}
for(let i=0,len=this.enemyPositions.length;i<len;i++){
if(this.enemyPositions[i]==enemyMax){
enemyArr.push(this.deepClone(this.enemyPositions[i]));
}
}
if(enemyMax>myMax){
// 敌方权重最大的地方（有相同位置时，谋求自己的大权重位置）
var myMaxW = 0; // 我方在敌方最有位置处的最佳权重
var recommedP = enemyP;
for(let i=0, len=enemyArr.length;i<len;i++){
for(let j=0,len1=this.myPositions.length;j<len1;j++){
if(this.myPositions[j].x==enemyArr[i].x && this.myPositions[j].y==enemyArr[i].y){
if(this.myPositions[j].weight>myMaxW){
myMaxW = this.myPositions[j].weight;
recommedP.x = this.myPositions[j].x;
recommedP.y = this.myPositions[j].y;
}
}
}
}
return recommedP;
}else {
// 我方权重最大的地方（有相同位置时，占据敌方的相对大权重位置）
var enemyMaxW = 0; // 我方在敌方最有位置处的最佳权重
var recommedP = myP;
for(let i=0, len=myArr.length;i<len;i++){
for(let j=0,len1=this.enemyPositions.length;j<len1;j++){
if(this.enemyPositions[j].x==myArr[i].x && this.enemyPositions[j].y==myArr[i].y){
if(this.enemyPositions[j].weight>enemyMaxW){
enemyMaxW = this.enemyPositions[j].weight;
recommedP.x = this.enemyPositions[j].x;
recommedP.y = this.enemyPositions[j].y;
}
}
}
}
return recommedP;
}
}
// 获取赢家
getWinner(){
switch(this.victor){
case 0:
console.log("还没产生赢家");break;
case 1:
this.canContinue = false;
setTimeout(()=>{alert("白棋赢");},30);
break;
case 2:
this.canContinue = false;
setTimeout(()=>{alert("黑棋赢");},30);
break;
default:;
}
}
// 判断输赢
getVictor() { //1.找到一个当前棋子，2.判断它的右、右下、下、左下四个方向是否连成5个棋子
var arr = ["r","rd","d","ld"];
for(var i=1;i<this.pieces.length;i++){
for(var j=1;j<this.pieces[i].length;j++){
if(this.pieces[i][j] == 1){
for(let k = 0;k<arr.length;k++){
if(this.directionCount(arr[k],1,i,j) == 5){// 右r 下d 左l 上t
this.victor = 1;
this.getWinner();
return;
}
}
}else{
for(let k = 0;k<arr.length;k++){
if(this.directionCount(arr[k],2,i,j) == 5){// 右r 下d 左l 上t
this.victor = 2;
this.getWinner();
return;
}
}
}
}
}
}
// 此函数替代了原来的 directionCount
directionCount(direction,oneSide,i,j){
var count = 0;
var nd = this.nd(direction);
if(this.pieces[i][j] == oneSide){
count = 1;
for(let k=1;k<5;k++){
if(this.pieces[i+k*nd.h] && this.pieces[i+k*nd.h][j+k*nd.v] === oneSide){
count++;
continue;
}else {
break;
}
}
}
return count;
}
// 深拷贝
deepClone(values) {
var copy;
// Handle the 3 simple types, and null or undefined
if(null == values || "object" != typeof values) return values;
// Handle Date
if(values instanceof Date) {
copy = new Date();
copy.setTime(values.getTime());
return copy;
}
// Handle Array
if(values instanceof Array) {
copy = [];
for(var i = 0, len = values.length; i < len; i++) {
copy[i] = this.deepClone(values[i]);
}
return copy;
}
// Handle Object
if(values instanceof Object) {
copy = {};
for(var attr in values) {
if(values.hasOwnProperty(attr)) copy[attr] = this.deepClone(values[attr]);
}
return copy;
}
throw new Error("Unable to copy values! Its type isn\'t supported.");
}
}
</script>
<script type="text/javascript">
gobang = new Gobang("gobang");
var canvas = document.getElementById("gobang");
console.log(canvas.getBoundingClientRect());
var offset;
canvas.addEventListener("click",function(e){
offset = canvas.getBoundingClientRect();
var x = Math.round((e.clientX - offset.left) / gobang.cellWidth);
var y = Math.round((e.clientY - offset.top) / gobang.cellWidth);
// console.log(x,y,"点击位置");
// 走棋
gobang.goStep(x,y);
},false);
document.getElementById("regret").addEventListener("click",()=>{
gobang.regret();
},false);
document.getElementById("goHome").addEventListener("click",()=>{ // 关闭当前窗口
window.opener=null;
window.open(\'\',\'_self\');
window.close();
});
document.getElementById("chessAgain").addEventListener("click",()=>{
if(gobang.victor){
gobang.resetData();
}else{
alert("当前对弈结束后才可以重新开始~");
}
});
document.getElementById("getConnection").addEventListener("click",()=>{
getConnection();
});
</script>
</html>
goBangServer.js // 对弈的服务
var ws = require("nodejs-websocket"); var users = []; var onlineCount = 0; var chessBoard = []; var next = 2;// 下一步走棋的人 var lastStep = {}; // 上一步 var IP = "10.100.106.114"; var port = 9000; var server = ws.createServer(function(connection){ var user; console.log("有新用户接入"); onlineCount = server.connections.length; connection.on("text",function(str){ console.log("接收到消息",str); var data = JSON.parse(str); if(data.type == "chess"){ // 走一步棋子 chessBoard = data.data; next = data.next; lastStep = data.lastStep; broadCastChessBoard(data.roomId); }else if(data.type == "regret"){ // 悔棋 }else if(data.type == "giveUp"){ // 认输 }else if(data.type == "again"){ // 再来一局 if(data.data.eventOrigin == "player1"){ var msg = {}; msg.type = "again"; server.connections.forEach(function(conn,index) { connection.sendText(JSON.stringify(msg)); }) }else if(data.data.eventOrigin == "player2"){ var msg = {}; msg.type = "again"; server.connections.forEach(function(conn,index) { connection.sendText(JSON.stringify(msg)); }) }else{ // continue; } }else if(data.type == "user"){ // 新用户接入 user = data.data; user.sessionId = connection.headers[\'sec-websocket-key\']; if(users.containUserName(user.name)){ var index = users.userIndex(user.name); users[index] = user; }else{ users.push(user); } //broadCastChessBoard(); }else{ // 未知类型 server.connections.forEach(function(conn,index) { // console.log(connection.headers[\'sec-websocket-key\']); // console.log(server.connections[index].headers[\'sec-websocket-key\']) // connection.sendText(JSON.stringify(server.connections[index])); }) } }); connection.on("error",function(err){ console.log(\'遇到错误，详情：\'); console.log(err); }); connection.on("close",function(code,reason){ console.log("code closed", code); console.log("reason closed", reason); users.removeUser(user); }); }).listen(port); Array.prototype.removeUser = function(user){ for(let i=0;i<this.length;i++){ //console.log(JSON.stringify(this[i]), JSON.stringify(user)); if(JSON.stringify(this[i]) == JSON.stringify(user)){ this.splice(i,1); } } } Array.prototype.containUserName = function(str) { for (var i = 0; i < this.length; i++) { if (this[i].name == str) { return true; } } return false; } Array.prototype.userIndex = function(str) { var index = -1; for (var i = 0; i < this.length; i++) { if (this[i].name == str) { index = i; } } return index; } function broadCastChessBoard(roomId){ console.log("在线人数:"+server.connections.length); var msg = {}; msg.type = "chessBoard"; msg.data = chessBoard; msg.next = next; msg.lastStep = lastStep; console.log(users) users.forEach((user,index)=>{ if(user.roomId == roomId){ //sessionId server.connections.forEach(function(connection,index) { if(server.connections[index].headers[\'sec-websocket-key\'] == user.sessionId){ connection.sendText(JSON.stringify(msg)); } }) } }) } //console.log(server); console.log("服务已搭建好,静候佳音；链接地址：ws://"+IP+":"+port);
index.html // 选房间的页面
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <style type="text/css"> *{ padding: 0; margin: 0; } .room{ width: 240px; float: left; height: 100px; line-height: 100px; border: 1px solid #e73480; margin: 10px 10px; display: flex; } .left,.right{ flex: 1; width:80px; text-align: center; height: 100%; } .center{ flex: 1; color: #006699; width: 80px; height: 100%; text-align: center; } </style> </head> <body> <div class="wrapper"> </div> <!--<div class="room" data-room="1"> <span class="left">玩家1</span> <span class="center">桌子</span> <span class="right">玩家2</span> </div>--> </body> <script type="text/javascript"> var user = {name:"",roomId: -1,type: "hangOut",chessing:false}; // 玩家当前角色——玩家(player)/观众(viewer)/游客(hangOut) if(sessionStorage.getItem("user")){ user = JSON.parse(sessionStorage.getItem("user")); } while(!user.name){ user.name = window.prompt("请给你起一个响亮的名字","玩家姓名"); sessionStorage.setItem("user",JSON.stringify(user)); } var rooms = []; // 每个房间有房间号id,玩家1{name:赵德升}，玩家2，观众[{name:solid}]，棋盘chessBoard var roomCount = 0; var users = []; var left, right, center; var wrapper = getClass("wrapper")[0]; function initUi(){ var htmlStr = ""; for(let i=0;i<roomCount;i++){ htmlStr += \'<div class="room" data-room=\'+i+\'>\'+ \'<span class="left">\'+"玩家1"+\'</span>\'+ \'<span class="center">桌子\'+i+\'</span>\'+ \'<span class="right">玩家2</span>\'+ \'</div>\'; } wrapper.innerHTML = htmlStr; for(let i=0;i<roomCount;i++){ rooms[i] = {}; rooms[i].id = i; rooms[i].player1 = {}; rooms[i].player2 = {}; rooms[i].viewers = []; rooms[i].chessBoard = []; } left = getClass("left"); for(let i=0;i<left.length;i++){ left[i].onclick = function(){ if(!rooms[i].player1.name){ clearUsers(); user.roomId = i; user.type = "player1"; rooms[i].player1 = user; this.innerText = user.name; sendUserMsg(); goToChess(i); }else{ alert("此位置已经有人了"); } } } right = getClass("right"); for(let i=0;i<right.length;i++){ right[i].onclick = function(){ if(!rooms[i].player2.name){ clearUsers(); user.roomId = i; user.type = "player2"; rooms[i].player2 = user; this.innerText = user.name; sendUserMsg(); goToChess(i); }else{ alert("此位置已经有人了"); } } } center = getClass("center"); for(let i=0;i<center.length;i++){ center[i].onclick = function(){ if(rooms[i].player1.name && rooms[i].player2.name){ clearUsers(); user.roomId = i; user.type = "viewer"; rooms[i].player1 = user; sendUserMsg(); goToChess(i); }else{ alert("这里人手不够，不可以观战哦~"); } } } } function getClass(className){ return document.getElementsByClassName(className); } function goToChess(roomId){ if(rooms[roomId].player1.name && rooms[roomId].player2.name){ if(user.roomId == roomId && !user.chessing){ user.chessing = true; window.open("GoBang.html?roomId="+roomId+"&player1="+rooms[roomId].player1.name+"&player2="+rooms[roomId].player2.name); } } } function clearUsers(){ for(let i = 0;i<left.length;i++){ left[i].innerText = "玩家1"; } for(let i = 0;i<right.length;i++){ right[i].innerText = "玩家2"; } for(let i=0;i<roomCount;i++){ rooms[i] = {}; rooms[i].id = i; rooms[i].player1 = {}; rooms[i].player2 = {}; rooms[i].viewers = []; rooms[i].chessBoard = []; } } function showUsers(){ clearUsers(); for(let i=0;i<users.length;i++){ console.log(users) if(users[i].roomId>=0){ if(users[i].type == "player1"){//玩家1 rooms[users[i].roomId].player1 = users[i]; left[users[i].roomId].innerText = users[i].name; }else if(users[i].type == "player2"){//玩家2 rooms[users[i].roomId].player2 = users[i]; right[users[i].roomId].innerText = users[i].name; }else{//观众 } goToChess(users[i].roomId); } } } /*left.map((val,index,arr)=>{ val.onclick = function(){ var val = window.prompt("请输入你的姓名"); val.innerText = val; } });*/ var ws = new WebSocket(\'ws://10.100.106.114:8080\'); ws.onopen = function(e){ sendUserMsg(); } ws.onerror = function(e){ console.log("链接服务器失败"); user.chessing = false; } ws.onclose = function(e){ console.log("链接断开"); user.chessing = false; } ws.onmessage = function(e){ console.log(e.data); var data = JSON.parse(e.data); switch(data.type){ case "baseMsg": roomCount = data.data.roomCount; initUi(); break; case "usersMsg": users = data.data; showUsers(); break; case "users": break; default:; } } function sendUserMsg(){ var msg = {}; msg.type = "user"; msg.data = user; ws.send(JSON.stringify(msg)); } function recieveMsg(d){ console.log(d); } </script> </html>
server.js // 创建房间的服务
var ws = require("nodejs-websocket"); //console.log(ws); var users = []; var onlineCount = 0; var roomCount = 30; var ip = "10.100.106.114"; var port = 9009; var server = ws.createServer(function(connection){ var user; console.log("有新用户接入"); onlineCount++; connection.on("text",function(str){ console.log("接收到消息",str); //connection.sendText("把你的消息再还给你——"+str); var data = JSON.parse(str); if(data.type == "user"){ user = data.data; // server.connections.user = user; if(users.containUserName(user.name)){ var index = users.userIndex(user.name); users[index] = user; }else{ users.push(user); } //broadCastUsers(connection,JSON.stringify(users)); broadCastUsers(); } }); connection.on("error",function(err){ console.log(\'handle err\'); console.log(err); }); connection.on("close",function(code,reason){ console.log("code closed", code); console.log("reason closed", reason); users.removeUser(user); }); var msg = {}; msg.type = "baseMsg"; msg.data = {"roomCount":roomCount}; connection.send(JSON.stringify(msg)); //connection.send("服务器已和你建立链接"); }).listen(port); function broadCast(connection,roomId,str){ for(let i=0;i<connection.lenth;i++){ if(connection[i].user.roomId == roomId){ connection[i].senText("广播消息——"+str); } } } Array.prototype.removeUser = function(user){ for(let i=0;i<this.length;i++){ //console.log(JSON.stringify(this[i]), JSON.stringify(user)); if(JSON.stringify(this[i]) == JSON.stringify(user)){ this.splice(i,1); } } } Array.prototype.containUserName = function(str) { for (var i = 0; i < this.length; i++) { if (this[i].name == str) { return true; } } return false; } Array.prototype.userIndex = function(str) { var index = -1; for (var i = 0; i < this.length; i++) { if (this[i].name == str) { index = i; } } return index; } function broadCastUsers(){ console.log(server.connections.length); var msg = {}; msg.type = "usersMsg"; msg.data = users; server.connections.forEach(function(connection,index) { //console.log(index); connection.sendText(JSON.stringify(msg)); }) } //console.log(server); console.log("服务已搭建好,静候佳音；链接地址：ws://"+ip+":"+port);
安装依赖nodejs-websocket，启动那两个服务js，把代码放在服务器上或者用HBuilder打开就可以用了
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