nowStuff.js

function joinRoom(roomName) {
    //join the room via node
    now.changeRoom(roomName);

}

function getMyEquationInfo() {
    var equationString = solver.problem.equationString;
    var fixedVars = solver.baseSearchWindow.fixedVars;

    var equationInfo = {
        'equationString': equationString,
        'fixedVars': fixedVars,
        'fixAllBut2': false
    };

    return equationInfo;
}

function makeAndJoinRoom(roomName) {
    //make the room, using our current variables
    var equationInfo = getMyEquationInfo();

    now.makeRoom(roomName, equationInfo);
    //will join automatically once its made
}

function changeRoomEquation(equationInfo) {
    if(window.now && now.receiveMessage)
    {
        now.receiveMessage("Changing room equation from your change");
    }

    //always divide up search space
    if (window.now && window.now.position && window.now.total) {
        solver.baseSearchWindow.divideUpSearchSpace(now.position, now.total);
    }

    if (!window.now || !window.now.changeEquation) {
        console.log("returning");
        return;
    }

    //update it, we will receive the equation as well but whatever
    now.changeEquation(now.room, equationInfo);
}

function doNodeStuff() {
    if (!window.now) {
        console.log("no now.js detected, entering no-network mode");
    }

    now.ready(function () {
        defineNowFunctions();
        roomUpdate();
    });
}

function defineNowFunctions() {
    now.receiveNetworkMinimum = function (minPos) {
        //go to the current solver's saver
        if (!window.solver) {
            return;
        }

        solver.minSaver.receiveNetworkMin(minPos);
    };

    now.receiveTotal = function (total) {
        now.total = total;

        //our position should be set
        if (!now.position) {
            alert("no position set! error");
            return;
        }

        //now update the bounds on the main search window
        solver.baseSearchWindow.divideUpSearchSpace(now.position, total);

        now.receiveMessage("Dividing up search space with new total of " + String(total));
    };

    now.receiveRoom = function (room) {
        //for some reason this isnt setting the room correctly...
        now.room = room;
        now.receiveMessage("Set room to " + room);
    };

    now.receiveEquation = function (equationInfo) {
        console.log("equation info is", equationInfo);
        now.receiveMessage("Changing equation to " + equationInfo.equationString);
        changeOurEquation(equationInfo);
    };

    now.receiveMessage = function (message) {
        //append to the message dom
        $j('#networkMessages').prepend('<p>' + message + '</p>');
    };
}

function roomUpdate() {

    //first check if we are being linked to a room....
    var href = window.location.href;

    results = /room=(\w+)/.exec(href);
    var room = null;

    if (results) {
        //we got linked to a room, go join it
        room = results[1];
        joinRoom(room);
    } else {
        //make room
        room = randomString(5);
        makeAndJoinRoom(room);
        //link room
        history.pushState(null, 'Genetic GPU!', "?room=" + room);
    }
}