Start gameserver project

author: tomsmeding <hallo@tomsmeding.nl> 2015-05-08 17:44:08 +0200
committer: tomsmeding <hallo@tomsmeding.nl> 2015-05-08 17:44:08 +0200
commit: 837341921ae81def54ada7a4adc9468a41ca6f8c (patch)
tree: 66588c75ac3114f2a6c197043227af8d7319e973
parent: 82f2a1702e060d96d40f1bc3ef6a38442d11166f (diff)
4 files changed, 882 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index 99f7820..d4a5d5b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,6 @@ viewcompetition
 *.o
 
 competition.log
+
+
+node_modules
diff --git a/gameserver/gameserver.html b/gameserver/gameserver.html
new file mode 100644
index 0000000..d8528ab
--- /dev/null
+++ b/gameserver/gameserver.html
@@ -0,0 +1,613 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Game</title>
+<script>
+var S=5;
+var PLAYERS=["Player 1","Player 2"];
+var MOVES=[];
+
+var ws=null;
+var nick=null;
+var onturn=null;
+
+
+var moveidx=0;
+var neuidxhist=[];
+
+var board=Array.apply(null,new Array(S*S)).map(function(){return 0;});
+var fgcells=board.map(function(){return null;});
+var neuidx;
+
+var canclick=false;
+var isFirstMove=true;
+
+var imPlayer=-1;
+
+//var othermovefifo_interval=null;
+
+var clickenabled=[false,false];
+var input_neudir_choice=null,input_dir_choice=null,input_stone_choice=null;
+
+var hasInited=false,canAlreadyTurn=false;
+
+function preinit(){
+	ws=new WebSocket("ws://"+location.hostname+":8383");
+	ws.addEventListener("message",function(msg){
+		msg=msg.data;
+		var spaceidx=msg.indexOf(" "),
+		    cmd=msg.slice(0,spaceidx),
+		    arg=JSON.parse(msg.slice(spaceidx+1));
+		console.log(cmd,arg);
+		if(cmd=="nick"){
+			nick=arg;
+			document.getElementById("nickname").innerHTML=nick;
+			var choice=prompt("Your nickname is \""+nick+"\".\nEither you or your friend has to enter the other's nickname below; the other can press cancel or leave the field blank.");
+			if(!choice)return;
+			ws.send("game_create "+choice);
+		} else if(cmd=="game_create"){
+			if(arg==true){
+				ws.send("game_info");
+				imPlayer=1;
+			} else alert("ERROR:\n"+arg[1]);
+		} else if(cmd=="joined_game"){
+			ws.send("game_info");
+			imPlayer=2;
+		} else if(cmd=="game_info"){
+			if(arg==null){
+				alert("Not in a game!");
+				return;
+			}
+			PLAYERS=arg[0];
+			board=arg[1];
+			onturn=arg[2];
+			init(); //the magic call
+			hasInited=true;
+			if(canAlreadyTurn){
+				enableClicking(true,true);
+				isFirstMove=false;
+				canAlreadyTurn=false;
+			}
+		} else if(cmd=="game_doturn"){
+			if(arg[0]){
+				MOVES.push(arg[1]);
+				addmovelistrow(arg[1]);
+				nextmove();
+			} else alert(arg[1]);
+		} else if(cmd=="your_turn"){
+			canAlreadyTurn=true;
+			if(hasInited){
+				enableClicking(true,isFirstMove&&imPlayer==1);
+				isFirstMove=false;
+			}
+			if(arg){
+				MOVES.push(arg);
+				addmovelistrow(arg);
+				nextmove();
+			}
+		}
+	});
+	ws.addEventListener("open",function(){
+		ws.send("nick");
+	});
+}
+
+function init(){
+	var tr,td,y,x,e,span,
+	    movelisttbody,
+	    header=document.getElementById("header"),
+	    status=document.getElementById("status"),
+	    movelist=document.getElementById("movelist"),
+	    bgtbody=document.getElementById("bgtbody");
+
+	document.title="Game: "+PLAYERS[0]+" vs "+PLAYERS[1];
+
+	header.appendChild(document.createTextNode("Game: "));
+	span=document.createElement("span");
+	span.classList.add("celltypeclr"); span.classList.add("celltypeclr_1");
+	span.appendChild(document.createTextNode(PLAYERS[0]));
+	header.appendChild(span);
+	header.appendChild(document.createTextNode(" vs "));
+	span=document.createElement("span");
+	span.classList.add("celltypeclr"); span.classList.add("celltypeclr_2");
+	span.appendChild(document.createTextNode(PLAYERS[1]));
+	header.appendChild(span);
+
+
+	e=document.createElement("table");
+	movelisttbody=document.createElement("tbody");
+	movelisttbody.id="movelisttbody";
+	tr=document.createElement("tr");
+	td=document.createElement("td"); td.innerHTML="Player"; tr.appendChild(td);
+	td=document.createElement("td"); td.innerHTML="Neutron"; tr.appendChild(td);
+	td=document.createElement("td"); td.innerHTML="Stone"; tr.appendChild(td);
+	movelisttbody.appendChild(tr);
+	e.appendChild(movelisttbody);
+	movelist.appendChild(e);
+
+	tr=document.createElement("tr");
+	td=document.createElement("td");
+	td.setAttribute("colspan","3");
+	td.innerHTML="&nbsp;";
+	tr.appendChild(td);
+	(function(tr){
+		tr.addEventListener("click",function(ev){
+			if(moveidx==0)return;
+			while(moveidx>0)prevmove(true);
+			setselectedmovelistline(0);
+		});
+	})(tr);
+	tr.classList.add("selected");
+	movelisttbody.appendChild(tr);
+
+	MOVES.forEach(function(mv,i){
+		addmovelistrow(mv,i);
+	});
+
+
+	var inputstonetbody=document.getElementById("inputstonetbody");
+	for(y=0;y<S;y++){
+		tr=document.createElement("tr");
+		for(x=0;x<S;x++){
+			td=document.createElement("td");
+			e=document.createElement("input");
+			e.setAttribute("type","radio");
+			e.setAttribute("name","inputstoneradio");
+			e.addEventListener("click",(function(x,y){return function(){
+				input_stone_choice=S*y+x;
+			};})(x,y));
+			td.appendChild(e);
+			tr.appendChild(td);
+		}
+		inputstonetbody.appendChild(tr);
+	}
+
+
+	for(y=0;y<S;y++){
+		tr=document.createElement("tr");
+		for(x=0;x<S;x++){
+			td=document.createElement("td");
+			td.classList.add("bgcell");
+			td.innerHTML=S*y+x;
+			tr.appendChild(td);
+		}
+		bgtbody.appendChild(tr);
+	}
+	for(x=0;x<S;x++){
+		board[x]=1;
+		e=makefgcell(x,1);
+		fgcells[x]=e;
+		document.body.appendChild(e);
+
+		board[S*(S-1)+x]=2;
+		e=makefgcell(S*(S-1)+x,2);
+		fgcells[S*(S-1)+x]=e;
+		document.body.appendChild(e);
+	}
+	neuidx=S*~~(S/2)+~~(S/2);
+	board[neuidx]=3;
+	e=makefgcell(neuidx,3);
+	fgcells[neuidx]=e;
+	document.body.appendChild(e);
+
+	setnextenabled(MOVES.length>0);
+	setprevenabled(false);
+	canclick=true;
+
+	/*othermovefifo_interval=setInterval(function(){
+		if(clickenabled[0]||clickenabled[1])return;
+		var xhr=new XMLHttpRequest();
+		xhr.addEventListener("readystatechange",function(){
+			if(this.readyState!=4)return;
+			console.log("othermove",this.status,this.responseText);
+			if(this.status!=200)return;
+			if(this.responseText=="go"){
+				enableClicking(true,true); //2nd true is to disable neutron dir
+				imPlayer=1;
+			} else if(this.responseText=="nogo"){
+				enableClicking(false);
+				imPlayer=2;
+			} else {
+				var mv=JSON.parse(this.responseText);
+				MOVES.push(mv);
+				addmovelistrow(mv);
+				nextmove();
+				enableClicking(true);
+			}
+		});
+		xhr.open("GET",location.protocol+"//"+location.host+"/othermove");
+		xhr.send();
+	},1500);*/
+
+	enableClicking(false);
+}
+
+function enableClicking(en,disneu){
+	var i,l;
+	en=en?true:false;
+	disneu=disneu?true:false;
+	for(i=0;i<8;i++){
+		document.getElementById("input_neudir"+i)[en&&!disneu?"removeAttribute":"setAttribute"]("disabled");
+		document.getElementById("input_dir"+i)[en?"removeAttribute":"setAttribute"]("disabled");
+	}
+	l=document.getElementsByName("inputstoneradio");
+	for(i=0;i<l.length;i++){
+		l[i][en&&(imPlayer==-1||board[i]==imPlayer)?"removeAttribute":"setAttribute"]("disabled");
+	}
+	document.getElementById("input_domovebtn")[en?"removeAttribute":"setAttribute"]("disabled");
+	clickenabled=[en,disneu];
+}
+
+function addmovelistrow(mv,i/*optional*/){
+	var tr,td;
+	var movelisttbody=document.getElementById("movelisttbody");
+	var i=i!=undefined?i:movelisttbody.children.length;
+	tr=document.createElement("tr");
+
+	td=document.createElement("td");
+	td.innerHTML=i%2+1;
+	tr.appendChild(td);
+
+	td=document.createElement("td");
+	if(mv[0]==-1)td.innerHTML="&nbsp;";
+	else td.innerHTML=arrowfor(mv[0]);
+	tr.appendChild(td);
+
+	td=document.createElement("td");
+	td.innerHTML=mv[1]+": "+arrowfor(mv[2]);
+	tr.appendChild(td);
+
+	tr.addEventListener("click",(function(target){return function(ev){
+		if(moveidx==target)return;
+		while(moveidx<target)nextmove(true);
+		while(moveidx>target)prevmove(true);
+		setselectedmovelistline(i+1);
+	};})(i+1));
+
+	movelisttbody.appendChild(tr);
+}
+
+function setselectedmovelistline(i){
+	var movelist=document.getElementById("movelist");
+	movelist.querySelectorAll("tr.selected")[0].classList.remove("selected");
+	document.getElementById("movelist").getElementsByTagName("tr")[i+1].classList.add("selected");
+}
+
+function arrowfor(dir){
+	return "&#x"+[2191,2197,2192,2198,2193,2199,2190,2196][dir]+";";
+}
+
+function bgcell(idx){
+	return document.getElementById("bgtbody").children[idx/S|0].children[idx%S];
+}
+function fgcellposition(idx){
+	var rect=bgcell(idx).getBoundingClientRect(),
+	    scrolltop=window.pageYOffset||document.documentElement.scrollTop;
+	return [rect.left,rect.top+scrolltop];
+}
+function movefgcell(e,idx){
+	var pos=fgcellposition(idx);
+	e.style.left=pos[0]+"px";
+	e.style.top=pos[1]+"px";
+	e.cell_index=idx;
+}
+function makefgcell(idx,type){ //type in [1,2,3]
+	var pos=fgcellposition(idx),
+	    e=document.createElement("div");
+	e.classList.add("fgcell");
+	e.classList.add("celltype_"+type);
+	e.setAttribute("style","left:"+pos[0]+"px;top:"+pos[1]+"px;");
+	e.cell_index=idx;
+	e.appendChild(document.createElement("div"));
+	return e;
+}
+
+var index_deltas=[[0,-1],[1,-1],[1,0],[1,1],[0,1],[-1,1],[-1,0],[-1,-1]];
+function indexafterslide(from,dir,overshoot){
+	var x=from%S,y=~~(from/S),x2,y2;
+	while(true){
+		x2=x+index_deltas[dir][0];
+		y2=y+index_deltas[dir][1];
+		if(x2<0||x2>=S||y2<0||y2>=S||board[S*y2+x2]!=0){
+			if(overshoot)return S*y2+x2;
+			else return S*y+x;
+		}
+		x=x2;
+		y=y2;
+	}
+}
+
+function setnextenabled(en){
+	document.getElementById("nextmovebtn").disabled=!en;
+}
+function setprevenabled(en){
+	document.getElementById("prevmovebtn").disabled=!en;
+}
+
+function nextmove(notimeout){
+	var newidx;
+	if(moveidx==MOVES.length||!canclick)return false;
+
+	if(MOVES[moveidx][0]!=-1){
+		neuidxhist.push(neuidx);
+		newidx=indexafterslide(neuidx,MOVES[moveidx][0]);
+		movefgcell(fgcells[neuidx],newidx);
+		board[newidx]=board[neuidx];
+		board[neuidx]=0;
+		fgcells[newidx]=fgcells[neuidx];
+		fgcells[neuidx]=null;
+		neuidx=newidx;
+
+		if(moveidx==MOVES.length-1)bgcell(neuidx).classList.add("win");
+	}
+
+	newidx=indexafterslide(MOVES[moveidx][1],MOVES[moveidx][2]);
+	if(MOVES[moveidx][0]!=-1&&!notimeout){
+		setTimeout(
+			(function(e,idx){return function(){
+				movefgcell(e,idx);
+				canclick=true;
+			};})(fgcells[MOVES[moveidx][1]],newidx),
+			500
+		);
+		canclick=false;
+	} else {
+		movefgcell(fgcells[MOVES[moveidx][1]],newidx);
+	}
+	board[newidx]=board[MOVES[moveidx][1]];
+	board[MOVES[moveidx][1]]=0;
+	fgcells[newidx]=fgcells[MOVES[moveidx][1]];
+	fgcells[MOVES[moveidx][1]]=null;
+
+	moveidx++;
+	setprevenabled(true);
+	if(moveidx==MOVES.length)setnextenabled(false);
+	if(!notimeout)setselectedmovelistline(moveidx);
+	return true;
+}
+function prevmove(notimeout){
+	var item,oldneuidx,newidx,winGlowIdxToRemove=null;
+	if(moveidx==0||!canclick)return false;
+	moveidx--;
+
+	if(MOVES[moveidx][0]!=-1&&moveidx==MOVES.length-1)winGlowIdxToRemove=neuidx;
+
+	newidx=indexafterslide(MOVES[moveidx][1],MOVES[moveidx][2],true);
+	board[MOVES[moveidx][1]]=board[newidx];
+	board[newidx]=0;
+	fgcells[MOVES[moveidx][1]]=fgcells[newidx];
+	fgcells[newidx]=null;
+	movefgcell(fgcells[MOVES[moveidx][1]],MOVES[moveidx][1]);
+
+	if(MOVES[moveidx][0]!=-1){
+		oldneuidx=neuidxhist.pop();
+		board[oldneuidx]=board[neuidx];
+		board[neuidx]=0;
+		fgcells[oldneuidx]=fgcells[neuidx];
+		fgcells[neuidx]=null;
+		if(notimeout){
+			movefgcell(fgcells[oldneuidx],oldneuidx);
+			if(winGlowIdxToRemove!=null)bgcell(winGlowIdxToRemove).classList.remove("win");
+		} else {
+			setTimeout(
+				(function(e,idx){return function(){
+					movefgcell(e,idx);
+					canclick=true;
+					if(winGlowIdxToRemove!=null)bgcell(winGlowIdxToRemove).classList.remove("win");
+				};})(fgcells[oldneuidx],oldneuidx),
+				500
+			);
+			canclick=false;
+		}
+		neuidx=oldneuidx;
+	}
+
+	setnextenabled(true);
+	if(moveidx==0)setprevenabled(false);
+	if(!notimeout)setselectedmovelistline(moveidx);
+	return true;
+}
+
+
+function input_neudir(dir){
+	var i;
+	for(i=0;i<8;i++){
+		if(i==dir)document.getElementById("input_neudir"+i).classList.add("selected");
+		else document.getElementById("input_neudir"+i).classList.remove("selected");
+	}
+}
+
+function input_dir(dir){
+	var i;
+	for(i=0;i<8;i++){
+		if(i==dir)document.getElementById("input_dir"+i).classList.add("selected");
+		else document.getElementById("input_dir"+i).classList.remove("selected");
+	}
+}
+
+function input_domove(){
+	var i,l,mv=[-1,-1,-1];
+	for(i=0;i<8;i++){
+		if(document.getElementById("input_neudir"+i).classList.contains("selected")){
+			mv[0]=i;
+			break;
+		}
+	}
+	for(i=0;i<8;i++){
+		if(document.getElementById("input_dir"+i).classList.contains("selected")){
+			mv[2]=i;
+			break;
+		}
+	}
+	l=document.getElementsByName("inputstoneradio");
+	for(i=0;i<l.length;i++){
+		if(l[i].checked){
+			mv[1]=i;
+			break;
+		}
+	}
+	if(mv[0]==-1&&!clickenabled[1]){alert("Neutron direction not set!");return;}
+	if(mv[1]==-1){alert("Stone choice not set!");return;}
+	if(mv[2]==-1){alert("Stone direction not set!");return;}
+	var clickenabledcache=clickenabled;
+	enableClicking(false);
+	/*var xhr=new XMLHttpRequest();
+	xhr.addEventListener("readystatechange",function(){
+		if(this.readyState!=4)return;
+		console.log("mynewmove",this.status,this.responseText);
+		if(this.status!=200){
+			alert("Failed to submit move!");
+			enableClicking.apply(this,clickenabledcache);
+		} else {
+			MOVES.push(mv);
+			addmovelistrow(mv);
+			nextmove();
+		}
+	});
+	xhr.open("POST",location.protocol+"//"+location.host+"/mynewmove");
+	xhr.send(JSON.stringify(mv));*/
+	ws.send("game_doturn "+mv.join(" "));
+}
+
+
+window.addEventListener("load",preinit,false);
+</script>
+<style>
+body{
+	font-family:Georgia,Times,Serif;
+	font-size:15px;
+}
+
+table#bgtab{
+	border-spacing:4px;
+}
+td.bgcell{
+	width:80px;
+	height:80px;
+	border:3px #ddd solid;
+	border-radius:12px;
+	transition:background-color 0.6s ease 0.2s, box-shadow 0.6s ease 0.2s, -webkit-box-shadow 0.6s ease 0.2s;
+
+	text-align:right;
+	vertical-align:bottom;
+	font-size:14px;
+}
+td.bgcell.win{
+	background-color:#8f8;
+	        box-shadow:inset 0 0 6px #6e6;
+	-webkit-box-shadow:inset 0 0 6px #6e6;
+}
+div.fgcell{
+	position:absolute;
+	width:82px;
+	height:82px;
+	border:3px rgba(0,0,0,0) solid;
+	text-align:center;
+	transition:left 0.6s ease 0s, top 0.6s ease 0s;
+}
+
+div.fgcell > div{
+	height:75%;
+	margin:10px;
+	border-radius:30px;
+}
+
+h1#header{
+	letter-spacing:0.5px;
+}
+span.celltypeclr{
+	border-radius:5px;
+	padding:4px;
+}
+
+div#status{
+	font-size:16px;
+	font-weight:bold;
+}
+
+div.fgcell.celltype_1 > div{background-color:#ddd;}
+span.celltypeclr_1         {background-color:#ddd;}
+div.fgcell.celltype_2 > div{background-color:#2a2a2a;}
+span.celltypeclr_2         {background-color:#2a2a2a;color:#eee;}
+div.fgcell.celltype_3 > div{background-color:#11e;}
+
+div#movelist{
+	border:1px black solid;
+	width:500px;
+	height:200px;
+	overflow-y:scroll;
+}
+div#movelist table{
+	border-spacing:0;
+	width:100%;
+}
+div#movelist tr:first-child{
+	font-weight:bold;
+	background-color:#ccc;
+}
+div#movelist tr:first-child > td{
+	border-bottom:1px black solid;
+}
+div#movelist tr:nth-child(odd){background-color:#e4e4e4;}
+div#movelist tr:nth-child(even){background-color:#fff;}
+div#movelist tr:nth-child(n+2):hover{background-color:#bbf;cursor:pointer;}
+div#movelist tr.selected{
+	background-color:#afa;
+}
+
+input[type=button].selected{
+	background-color:#aaf;
+}
+</style>
+</head>
+<body>
+<h1 id="header"></h1>
+<table id="bgtab" style="display:inline-block"><tbody id="bgtbody"></tbody></table>
+<table id="inputneudirtab" style="display:inline-block"><tbody id="inputneudirtbody">
+	<tr>
+		<td><input type="button" id="input_neudir7" value="&#x2196;" onclick="input_neudir(7)"></td>
+		<td><input type="button" id="input_neudir0" value="&#x2191;" onclick="input_neudir(0)"></td>
+		<td><input type="button" id="input_neudir1" value="&#x2197;" onclick="input_neudir(1)"></td>
+	</tr>
+	<tr>
+		<td><input type="button" id="input_neudir6" value="&#x2190;" onclick="input_neudir(6)"></td>
+		<td>Neu</td>
+		<td><input type="button" id="input_neudir2" value="&#x2192;" onclick="input_neudir(2)"></td>
+	</tr>
+	<tr>
+		<td><input type="button" id="input_neudir5" value="&#x2199;" onclick="input_neudir(5)"></td>
+		<td><input type="button" id="input_neudir4" value="&#x2193;" onclick="input_neudir(4)"></td>
+		<td><input type="button" id="input_neudir3" value="&#x2198;" onclick="input_neudir(3)"></td>
+	</tr>
+</tbody></table>
+<table id="inputdirtab" style="display:inline-block;margin-left:20px"><tbody id="inputdirtbody">
+	<tr>
+		<td><input type="button" id="input_dir7" value="&#x2196;" onclick="input_dir(7)"></td>
+		<td style="text-align:center"><input type="button" id="input_dir0" value="&#x2191;" onclick="input_dir(0)"></td>
+		<td><input type="button" id="input_dir1" value="&#x2197;" onclick="input_dir(1)"></td>
+	</tr>
+	<tr>
+		<td><input type="button" id="input_dir6" value="&#x2190;" onclick="input_dir(6)"></td>
+		<td>
+			<table id="inputstonetab" style="display:inline-block"><tbody id="inputstonetbody"></tbody></table>
+		</td>
+		<td><input type="button" id="input_dir2" value="&#x2192;" onclick="input_dir(2)"></td>
+	</tr>
+	<tr>
+		<td><input type="button" id="input_dir5" value="&#x2199;" onclick="input_dir(5)"></td>
+		<td style="text-align:center"><input type="button" id="input_dir4" value="&#x2193;" onclick="input_dir(4)"></td>
+		<td><input type="button" id="input_dir3" value="&#x2198;" onclick="input_dir(3)"></td>
+	</tr>
+</tbody></table>
+<div style="display:inline-block;margin-left:10px">
+	<input type="button" id="input_domovebtn" value="Do move" onclick="input_domove()">
+	<br>
+</div>
+<br>
+<input type="button" id="prevmovebtn" onclick="prevmove()" value="&larr;">
+<input type="button" id="nextmovebtn" onclick="nextmove()" value="&rarr;"><br>
+<div id="movelist" style="margin-top:30px"></div>
+<div id="nickname"></div>
+</body>
+</html>
diff --git a/gameserver/gameserver.js b/gameserver/gameserver.js
new file mode 100755
index 0000000..ddc6f0b
--- /dev/null
+++ b/gameserver/gameserver.js
@@ -0,0 +1,251 @@
+#!/usr/bin/env node
+
+"use strict";
+
+var fs=require("fs"),
+    http=require("http"),
+    util=require("util"),
+    assert=require("assert"),
+    WebSocketServer=require("ws").Server,
+    Naampje=require("naampje").name;
+var HTTPPORT=83,WSPORT=8383;
+
+var conns=[],games=[];
+
+var genid=(function(){
+	var $=1;
+	return function(){return $++;};
+})();
+
+function findby(a,key,val){
+	for(var i=0;i<a.length;i++)if(a[i][key]==val)return i;
+	return -1;
+}
+
+function nickIsTaken(nick){
+	var i;
+	for(i=0;i<conns.length;i++)if(conns[i].nick==nick)return true;
+	return false;
+}
+
+function numberiseNick(nick){
+	var i;
+	for(i=0;;i++){
+		if(!nickIsTaken(nick+i))return nick+i;
+	}
+}
+
+function gennick(){
+	var i,nick;
+	for(i=0;i<10;i++){
+		nick=Naampje();
+		if(!nickIsTaken(nick))break;
+	}
+	if(i<10)return nick;
+	else return numberiseNick(nick);
+}
+
+function Connection(ws){
+	if(!(this instanceof Connection))return new Connection(ws);
+	this.id=genid();
+	this.nick=gennick();
+	this.ws=ws;
+	this.gameid=null;
+}
+
+function Game(c1,c2){
+	if(!(this instanceof Game))return new Game(c1,c2);
+	this.id=genid();
+	this.i1=c1.id;
+	this.i2=c2.id;
+	this.board=[1,1,1,1,1,
+	            0,0,0,0,0,
+	            0,0,3,0,0,
+	            0,0,0,0,0,
+	            2,2,2,2,2];
+	this.onturn=1; //1 or 2
+	this.firstmove=true; //in first move, neudir==-1
+}
+
+function saveFinishedBoard(bd){
+	var fname=process.hrtime();
+	if(fs.existsSync("winboards")){
+		if(!fs.lstatPath("winboards").isDirectory()){
+			console.log("winboards is not a directory. Bleh.");
+			return;
+		}
+	} else {
+		fs.mkdirSync("winboards");
+	}
+	fname="winboards/"+fname[0]+("000000000"+fname[1]).slice(-9)+".txt";
+	if(fs.existsSync(fname)){ //don't think this'll happen often
+		console.log("saveFinishedBoard: file '"+fname+"' already exists!");
+		return;
+	}
+	fs.writeFileSync(fname,bd.join(""));
+}
+
+var idxAfterSlide__xy_deltas=[[0,-1],[1,-1],[1,0],[1,1],[0,1],[-1,1],[-1,0],[-1,-1]];
+function idxAfterSlide(bd,idx,dir){
+	var x=idx%5,y=~~(idx/5),x2,y2,d=idxAfterSlide__xy_deltas[dir],dx=d[0],dy=d[1];
+	while(true){
+		x2=x+dx; y2=y+dy;
+		if(x2<0||x2>=5||y2<0||y2>=5||bd[5*y2+x2]!=0)return 5*y+x;
+		x=x2; y=y2;
+	}
+}
+
+function applyMove(bd,mv){
+	var neuidx=-1,newidx,i;
+	bd=bd.slice();
+	for(i=0;i<25;i++)if(bd[i]==3){neuidx=i;break;}
+	assert(neuidx!=-1);
+	if(mv[0]!=-1){
+		newidx=idxAfterSlide(bd,neuidx,mv[0]);
+		bd[newidx]=3;
+		bd[neuidx]=0;
+	}
+	if(mv[1]!=-1&&mv[2]!=-1){
+		newidx=idxAfterSlide(bd,mv[1],mv[2]);
+		bd[newidx]=bd[mv[1]];
+		bd[mv[1]]=0;
+	}
+	return bd;
+}
+
+function moveIsLegal(bd,mv,forpl){
+	var neuidx=-1,newidx,i;
+	if(bd[mv[1]]!=forpl)return false;
+	for(i=0;i<25;i++)if(bd[i]==3){neuidx=i;break;}
+	assert(neuidx!=-1);
+	if(mv[0]!=-1){
+		newidx=idxAfterSlide(bd,neuidx,mv[0]);
+		if(newidx==neuidx)return false;
+	}
+	newidx=idxAfterSlide(applyMove(bd,[mv[0],-1,-1]),mv[1],mv[2]);
+	if(newidx==mv[1])return false;
+	return true;
+}
+
+function handleMessage(conn,msg){
+	var cmd=msg.split(" "),list,i,game,c2,mv;
+	switch(cmd[0]){
+	case "nick":
+		conn.ws.send("nick \""+conn.nick+"\"");
+		break;
+	/*case "list_free_users":
+		list=[];
+		for(i=0;i<conns.length;i++)if(conns[i].gameid==null)list.push(conns[i].nick);
+		conn.ws.send("list_free_users "+JSON.stringify(list));
+		break;*/
+	case "game_create":
+		c2=cmd.slice(1).join(" ");
+		if(conn.gameid!=null){
+			conn.ws.send("game_create [false,\"Already in a game\"]");
+			break;
+		}
+		if(c2==conn.nick){
+			conn.ws.send("game_create [false,\"Cannot create a game with yourself\"]");
+			break;
+		}
+		c2=findby(conns,"nick",c2);
+		if(c2==-1){
+			conn.ws.send("game_create [false,\"Non-existent nick\"]");
+			break;
+		}
+		c2=conns[c2];
+		if(c2.gameid!=null){
+			conn.ws.send("game_create [false,\"Other already in a game\"]");
+			break;
+		}
+		console.log("new game between "+conn.nick+" and "+c2.nick);
+		game=new Game(conn,c2);
+		conn.gameid=game.id;
+		c2.gameid=game.id;
+		games.push(game);
+		conn.ws.send("game_create true");
+		c2.ws.send("joined_game true");
+		conn.ws.send("your_turn false");
+		break;
+	case "game_info":
+		if(conn.gameid==null){
+			conn.ws.send("game_info null");
+			break;
+		}
+		game=games[findby(games,"id",conn.gameid)];
+		conn.ws.send("game_info "+JSON.stringify([
+			[
+				conns[findby(conns,"id",game.i1)].nick,
+				conns[findby(conns,"id",game.i2)].nick
+			],
+			game.board,
+			game.onturn
+		]));
+		break;
+	case "game_doturn": //neudir stoneidx stonedir
+		if(conn.gameid==null){
+			conn.ws.send("game_doturn [false,\"Not in a game\"]");
+			break;
+		}
+		game=games[findby(games,"id",conn.gameid)];
+		mv=[+cmd[1],+cmd[2],+cmd[3]];
+		if(mv[0]==undefined||isNaN(mv[0])||mv[0]%1!=0||
+		       (game.firstmove ? mv[0]!=-1 : mv[0]<0||mv[0]>=8) ||
+		   mv[1]==undefined||isNaN(mv[1])||mv[1]%1!=0||mv[1]<0||mv[1]>=25||
+		   mv[2]==undefined||isNaN(mv[2])||mv[2]%1!=0||mv[2]<0||mv[2]>=8){
+			conn.ws.send("game_doturn [false,\"Invalid move\"]");
+			break;
+		}
+		if(!moveIsLegal(game.board,mv,game.onturn)){
+			conn.ws.send("game_doturn [false,\"Illegal move\"]");
+			break;
+		}
+		game.board=applyMove(game.board,mv);
+		console.log("new board:");
+		console.log(game.board);
+		game.onturn=3-game.onturn;
+		conn.ws.send("game_doturn "+JSON.stringify([true,mv]));
+		c2=conns[findby(conns,"id",conn.id==game.i1?game.i2:game.i1)];
+		c2.ws.send("your_turn "+JSON.stringify(mv));
+		game.firstmove=false;
+		break;
+	default:
+		conn.ws.send("error "+cmd[0]);
+		break;
+	}
+}
+
+new WebSocketServer({port:WSPORT}).on("connection",function(ws){
+	var conn=new Connection(ws);
+	conns.push(conn);
+	ws.on("message",function(msg){
+		console.log(msg,util.inspect(conn,{depth:0}));
+		handleMessage(conn,msg);
+	});
+	ws.on("open",function(){
+		//hi!
+	});
+	ws.on("close",function(){
+		if(conn.gameid!=null){
+			var gameidx=findby(games,"id",conn.gameid);
+			var game=games[gameidx];
+			var otherplayeridx=findby(conns,"id",game.i1==conn.id?game.i2:game.i1)
+			console.log("otherplayeridx="+otherplayeridx);
+			conns[otherplayeridx].gameid=null;
+			conn.gameid=null;
+			games.splice(gameidx,1);
+		}
+	});
+});
+console.log("Websocket server started on port "+WSPORT+".");
+
+http.createServer(function(req,res){
+	if(req.url=="/"){
+		res.writeHead(200,{"Content-Type":"text/html"});
+		res.end(String(fs.readFileSync("gameserver.html")));
+	} else {
+		res.writeHead(404,{"Content-Type":"text/plain"});
+		res.end("404 Not found");
+	}
+}).listen(HTTPPORT);
+console.log("HTTP server started on port "+HTTPPORT+".");
diff --git a/gameserver/package.json b/gameserver/package.json
new file mode 100644
index 0000000..0ef588f
--- /dev/null
+++ b/gameserver/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "gameserver",
+  "version": "1.0.0",
+  "description": "",
+  "main": "gameserver.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Tom Smeding <hallo@tomsmeding.nl> (http://tomsmeding.com)",
+  "license": "ISC",
+  "dependencies": {
+    "naampje": "^1.0.1",
+    "ws": "^0.7.1"
+  }
+}
author	tomsmeding <hallo@tomsmeding.nl>	2015-05-08 17:44:08 +0200
committer	tomsmeding <hallo@tomsmeding.nl>	2015-05-08 17:44:08 +0200
commit	837341921ae81def54ada7a4adc9468a41ca6f8c (patch)
tree	66588c75ac3114f2a6c197043227af8d7319e973
parent	82f2a1702e060d96d40f1bc3ef6a38442d11166f (diff)