snakepit-game/index.html at master · 7WebPages/snakepit-game · GitHub

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Snakepit</title>
<link rel="stylesheet" type="text/css" href="style.css" />
<script type="text/javascript" src="http://code.jquery.com/jquery-2.2.1.min.js"></script>
<script type="text/javascript">
    var ws;
    var playerName;
    var playerId;

    $().ready(function () {

        $("#btnConnect").click(function () {
            playerName = $("#playerName").val()
            $("#status").text("connecting...");

            ws_url = "ws://" + location.host + "/connect"
            ws = new WebSocket(ws_url);
            ws.onopen = openHandler;
            ws.onmessage = messageHandler;
            ws.onerror = function (e) {
                $("#status").text(e.message);
            };
        });

        $("#btnDisconnect").click(function () {
            ws.close();
            $("#playScreen").hide();
            $("#mainScreen").show();
            $(document).unbind("keypress", keyHandler);
        });

        $("#btnJoin").click(function () {
            sendMessage(["join"]);
        });
    });

    function sendMessage(msgArray) {
        var msg = JSON.stringify(msgArray);
        ws.send(msg);
    }

    function openHandler(e){
        $("#status").text("connected to server");
        playerName = $('#playerName').val();

        sendMessage(["new_player", playerName]);

        $("#mainScreen").hide();
        $("#playScreen").show();

        $(document).bind("keydown", keyHandler);

    }

    function messageHandler(e){
        //$("#status").text(e.data);
        json = JSON.parse(e.data);
        if (!(json[0] instanceof Array))
            json = [json];

        for(var i = 0; i < json.length; i++){
            var args = json[i];
            var cmd = json[i][0];
            switch(cmd){
                case("handshake"):
                    $("#username").text(args[1]);
                    playerId = args[2];
                    break
                case("world"):
                    initWorld(args[1]);
                    break
                case("reset_world"):
                    resetWorld();
                    break
                case("render"):
                    var x = args[1];
                    var y = args[2];
                    var cell_id = '#cell' + y + '_' + x;
                    var symbol = args[3];
                    if(symbol == " ")
                        symbol = "&nbsp;";
                    $(cell_id).html(symbol);
                    $(cell_id).attr('class', "color" + args[4]);
                    break
                case("p_joined"):
                    var id = args[1];
                    var name = args[2];
                    var color = args[3];
                    var score = args[4];
                    addPlayer(id, color, name, score);

                    if(id == playerId)
                        $("#btnJoin").css("visibility", "hidden");
                    break
                case("p_gameover"):
                    id = args[1];
                    $("#player" + id).remove();
                    if(id == playerId)
                        $("#btnJoin").css("visibility", "visible");
                    break
                case("p_score"):
                    id = args[1];
                    score = args[2];
                    $("#player" + id + " .score").text(score);
                    break
                case("top_scores"):
                    $("#topScoresList").empty();
                    players = args[1];
                    for(var n = 0; n < players.length; n++) {
                        name = players[n][0];
                        score = players[n][1];
                        color = players[n][2];
                        addTopScore(color, name, score);
                    }
            }
        }
    }

    function initWorld(data) {
        var rows = [];
        for(var y = 0; y < data.length; y++){
            var row = "";
            for(var x = 0; x < data[y].length; x++){
                symbol = data[y][x][0];
                color = data[y][x][1];
                if(symbol == " ")
                    symbol = "&nbsp;";
                row += '<td id="cell' + y + '_' + x +
                    '" class="color' + color + '">' + symbol + '</td>';
            }
            rows.push("<tr>" + row + "</tr>");
        }
        var tableContent = rows.join("\n");
        $("#world").html(tableContent);
    }

    function resetWorld() {
        $("#world td").html("&nbsp;");
    }

    function addPlayer(id, color, name, score) {
        var color_class = 'color' + color;
        $("#activePlayers").append('<div id="player' + id + '">'
                        + '<div class="name ' + color_class +'">' + name + '</div>'
                        + '<div class="score ' + color_class + '">' + score + '</div></div>');
    }

    function addTopScore(color, name, score) {
        var color_class = 'color' + color;
        $("#topScoresList").append('<div>'
                        + '<div class="name ' + color_class +'">' + name + '</div>'
                        + '<div class="score ' + color_class + '">' + score + '</div></div>');
    }

    function keyHandler(event) {
        var code = event.keyCode;
        if (!code && event.charCode)
             code = event.charCode;

        if (ws && ws.readyState == WebSocket.OPEN) {
            ws.send(code);
            event.preventDefault();
        }
        else {
            $("#status").text("Connection is closed");
        }
    }

</script>
</head>
<body>

<div id="status" style="text-align:left">&nbsp;</div>

<div style="font-size: 3em;">Snakepit</div>
<div>ver 0.12</div>

<div style="margin-top:1em">
    <div id="mainScreen">
        <div id="connectForm">
            <span style="color: white">Name</span>
            <input id="playerName" type="text" maxlength="15" />
            <button id="btnConnect">Connect</button>
        </div>

        <div>
        <p><b style="color: white">Snakepit</b> is an open-source multiplayer snake game.</p>
        <p>It is designed as a demo of <a href="https://docs.python.org/3/library/asyncio.html">asyncio</a> library for Python 3.5.</p>
        <p>Check out source code at our <a href="https://github.com/7WebPages/snakepit-game">github repo</a>.</p>

        <p style="color:red; margin-top: 7em">Rules:</p>

        <div style="text-align: center;">
            <span style="display: inline-block; text-align: left">
            <span class="color2">1. Use arrows to control the snake.</span></br/></br/>
            <span class="color3">2. Eat digits to grow up.</span></br/></br/>
            <span class="color4">3. Do not bite: stones (#), snakes, borders.</span></br/></br/>
            <span class="color6">4. Invite friends and have fun together!</span>
            </span>
        </div>

        <p style="margin-top: 7em">Written by Kyrylo Subbotin. (c) 2016 7webpages.</p>

        </div>
    </div>

    <div id="playScreen">
        <div id="userForm">
            Welcome to the server, <span id="username"></span>! Invite some friends and Join.
        </div>
        <div id="userButtons">
            <button id="btnJoin">Join!</button>
        </div>

        <div id="playField">
            <div id="activePlayers">Active players</div>
            <div id="worldHolder">
                <table id="world" cellspacing="0" cellpadding="0"></table>
            </div>
            <div id="topScores">
                <div>Top scores</div>
                <div id="topScoresList"></div>
            </div>
        </div>

    </div>


</div>

</body>
</html>