這里說說斗地主主要包含的功能：洗牌，發(fā)牌，玩家出牌、電腦出牌，出牌規(guī)則的驗(yàn)證，輸贏啥的沒有判斷，只是實(shí)現(xiàn)了這幾個主要功能，下面依次說說幾個功能的實(shí)現(xiàn)：
1.洗牌：
var pukes=this.manage.pukes;//存放撲克牌的數(shù)組
//洗牌
for(var i=;i<pukes.length;i++){
var tmp=pukes[i];
var index=util.random(i,pukes.length);//隨機(jī)交換兩張牌
pukes[i]=pukes[index];
pukes[index]=tmp;
}
2.發(fā)牌（簡版默認(rèn)是玩家自己為地主，電腦為農(nóng)民），由于前面洗牌時已經(jīng)將牌的順序打亂，所以發(fā)牌只是簡單的循環(huán)把pukes中的元素添加到每個玩家實(shí)例中的pukes字段中。
//發(fā)牌
var start=;
for(var i=;i<this.manage.pukes.length-;i++) {
if(start==this.manage.players.length){
start=;
}
this.manage.pukes[i].status=true;
this.manage.players[start].pukesLen++;
this.manage.players[start++].pukes.push(this.manage.pukes[i]);
}
for(var i=this.manage.pukes.length-;i<this.manage.pukes.length;i++){
//地主多三張
this.manage.pukes[i].status=true;
this.manage.players[this.manage.curPlayerIndex].pukesLen++;
this.manage.players[this.manage.curPlayerIndex].pukes.push(this.manage.pukes[i]);
}
3.玩家出牌，玩家出牌分為電腦和玩家自己兩個步驟，電腦出牌是非常傻瓜的出牌方式（有牌就出）：
//出牌
if(this.options.playerIndex==this.manage.curPlayerIndex) {
var spks = [],gz=false;
if (this.manage.curMaxPlayerIndex == this.options.playerIndex) {
this.manage.deskPukes = [];
}
if (this.isCompute) {
//電腦自動出牌
var start = ;
var len=this.manage.deskPukes.length||;
while (start < this.pukes.length) {
spks = [];
for (var i = ,j=start; i <len&&j<this.pukes.length; i++) {
//隨便選一張 可以出就行
if(this.pukes[j].status) {
spks.push(this.pukes[j++]);
}
}
if(spks.length) {
if (rules.valids(spks, this.manage.deskPukes)) {
gz = true;
break;
}
}
start++;
}
}
else {
//玩家選擇出牌
for (var i = ; i < this.pukes.length; i++) {
if (this.pukes[i].selected && this.pukes[i].status) {
spks.push(this.pukes[i]);
}
}
if (rules.valids(spks, this.manage.deskPukes)) {
gz=true;
}
else{
alert("出牌不符合規(guī)則！");
}
}
if(gz){
this.manage.curMaxPlayerIndex=this.options.playerIndex;
this.manage.deskPukes = [];
for (var i = ; i < spks.length; i++) {
this.pukesLen--;
this.manage.deskPukes.push(spks[i]);
spks[i].status = false;
}
}
this.manage.renderPukes();
this.manage.renderCurDiscard();
if(this.isCompute||gz) {
this.manage.nextPlayer();
}
}
else{
alert("沒輪到你出牌！");
}
4.出牌規(guī)則的驗(yàn)證，是很多函數(shù)組合起來，然后循環(huán)調(diào)用，如果遇到返回ture的即為出牌符合規(guī)則：
//以下為出牌規(guī)則
var rules={
_rules:[
new danzRule(),
new duiRule(),
new sandRule(),
new zandRule(),
new shunzRule(),
new liandRule()
],
valids:function(_pukes,_curPukes){
for(var i=;i<this._rules.length;i++){
if(this._rules[i].valid(_pukes,_curPukes)){
return true;
}
}
return false;
}
};
function danzRule(){
//單張規(guī)則
}
danzRule.prototype.valid=function(_pukes,_curPukes){
//校驗(yàn)
var pukes=_pukes;//玩家的牌
var curPukes=_curPukes;//左面的牌
if(pukes&&pukes.length==){
//比較牌面值
if(!curPukes||!curPukes.length){
return true;
}
if(curPukes[].dians==&&pukes[].dians<){
//特殊處理
return false;
}
if(pukes[].dians==&&curPukes[].dians<){
//特殊處理
return true;
}
return pukes[].dians>curPukes[].dians;
}
return false;
}
function duiRule(_pukes,_curPukes){
//兩張規(guī)則
}
duiRule.prototype.valid=function(_pukes,_curPukes){
//校驗(yàn)
var pukes=_pukes;//玩家的牌
var curPukes=_curPukes;//左面的牌
if(pukes&&pukes.length==){
//比較牌面值
if(pukes[].dians>&&pukes[].dians>){
return true;
}
if(pukes[].dians!=pukes[].dians){
return false;
}
if(!curPukes||!curPukes.length){
return true;
}else {
if(curPukes.length!=){
return false;
}
if (curPukes[].dians > && curPukes[].dians > ) {
return false;
}
if (curPukes[].dians != curPukes[].dians) {
return false;
}
if (curPukes[].dians == ) {
return false;
}
}
if(pukes[].dians==){
return true;
}
return pukes[].dians>curPukes[].dians;
}
return false;
}
function sandRule(){
//三帶
}
sandRule.prototype.valid=function(_pukes,_curPukes){
//校驗(yàn)
var pukes=_pukes;//玩家的牌
var curPukes=_curPukes;//左面的牌
if(pukes&&(pukes.length>=)){
//比較牌面值
var books=getBooks(pukes);
if(!valid(books))return false;
if(!curPukes||!curPukes.length)return true;
if(curPukes.length!=books.length)return false;
var books=getBooks(curPukes);
if(!valid(books))return false;
return getSum(books)>getSum(books);
}
return false;
function getSum(books){
var sum=;
for(var i=;i<books.length;i++) {
if(books[i]==){
if(i==)return ;
sum+=i;
}
}
return sum;
}
function valid(books){
//驗(yàn)證三帶是否有效
var counts= ,countsd= ,d=true,start=false,startIndex=-;
for(var i=;i<books.length;i++) {
if(start&&books[i]==&&startIndex!=(i-)){
return false;
}else{
startIndex=i;
}
if(books[i]==){
if(!start) {
start = true;
startIndex = i;
}
counts++;
}
if(books[i]==){
d=false;
}
}
for(var i=;i<books.length;i++) {
if(d&&books[i]==){
countsd++;
}
else if(!d&&books[i]==){
countsd++;
}
}
return counts>&&counts==countsd;
}
function getBooks(pukes){
//返回三帶的每個點(diǎn)數(shù)的個數(shù)
var books=[];
for(var i=;i<pukes.length;i++){
if(!books[pukes[i].dians]){
books[pukes[i].dians]=;
}else{
books[pukes[i].dians]++;
}
}
return books;
}
}
function zandRule(){
//炸彈
}
zandRule.prototype.valid=function(_pukes,_curPukes){
var pukes=_pukes;//玩家的牌
var curPukes=_curPukes;//左面的牌
if(pukes&&pukes.length==) {
if(!allEqual(pukes)){
return false;
}
if(!curPukes||(curPukes.length>&&curPukes.length!=)||!allEqual(curPukes)){
return true;
}
else{
if(pukes[].dians==){
return true;
}
if(curPukes[].dians==){
return false;
}
return pukes[].dians>curPukes[].dians;
}
}
return false;
function allEqual(pukes){
if(!pukes||!pukes.length)return false;
var base=pukes[].dians;
for(var i=;i<pukes.length;i++){
if(base!=pukes[i].dians){
return false;
}
}
return true;
}
}
function liandRule(){
//連對
}
liandRule.prototype.valid=function(_pukes,_curPukes) {
var pukes=_pukes;//玩家的牌
var curPukes=_curPukes;//左面的牌
if(pukes&&pukes.length>=) {
if(!verificationCoherence(pukes)){
return false;
}
if(!curPukes||curPukes.length<=){
return true;
}
if(!verificationCoherence(curPukes)){
return false;
}
if(pukes.length!=curPukes.length){
return false;
}
return getSumDians(pukes)>getSumDians(curPukes);
}
return false;
function getSumDians(pukes){
var sum=;
for(var i=;i<pukes.length;i++) {
sum+=pukes[i].dians;
}
return sum;
}
function verificationCoherence(pukes){
//驗(yàn)證連貫性
if(!pukes||!pukes.length)return false;
var books=[];
for(var i=;i<pukes.length;i++){
if(pukes[i].dians==||pukes[i].dians>){
return false;
}
if(!books[pukes[i].dians]){
books[pukes[i].dians]=;
}else{
books[pukes[i].dians]++;
}
if(books[pukes[i].dians]>){
return false;
}
}
var start=false;
for(var i=;i<books.length;i++) {
if(books[i]&&books[i]!=){
return false;
}
if(books[i]==&&!start){
start=true;
}
if(start&&books[i]!=){
return false;
}
}
return true;
}
}
function shunzRule(){
//順子
}
shunzRule.prototype.valid=function(_pukes,_curPukes){
var pukes=_pukes;//玩家的牌
var curPukes=_curPukes;//左面的牌
if(pukes&&pukes.length>=) {
if(!verificationCoherence(pukes)){
return false;
}
if(!curPukes||curPukes.length<=){
return true;
}
if(!verificationCoherence(curPukes)){
return false;
}
if(pukes.length!=curPukes.length){
return false;
}
return getSumDians(pukes)>getSumDians(curPukes);
}
return false;
function getSumDians(pukes){
var sum=;
for(var i=;i<pukes.length;i++) {
sum+=pukes[i].dians;
}
return sum;
}
function verificationCoherence(pukes){
//驗(yàn)證連貫性
if(!pukes||!pukes.length)return false;
var books=[];
for(var i=;i<pukes.length;i++){
if(pukes[i].dians==||pukes[i].dians>){
return false;
}
if(!books[pukes[i].dians]){
books[pukes[i].dians]=;
}else{
return false;
}
}
var start=false;
for(var i=;i<books.length;i++) {
if(books[i]==&&!start){
start=true;
}
if(start&&!books[i]){
return false;
}
}
return true;
}
}
以上4步，是我認(rèn)為的主要的4個函數(shù)，其他的函數(shù)，如初始化，事件注冊等，在源碼已有注釋，寫的不好勿噴。
JavaScript實(shí)現(xiàn)斗地主游戲的思路就給大家介紹這么多，希望對大家有所幫助！
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