Tagpro Fair Teams Userscript

// ==UserScript==
// @name          Tagpro Fair Teams Userscript
// @namespace     http://www.reddit.com/user/happytagpro/
// @include       http://tagpro-*.koalabeast.com:*
// @include       http://tangent.jukejuice.com:*
// @include       http://*.newcompte.fr:*
// @license       WTFPL
// @author        CocoaBotter (Original version by happy)
// @version       0.2
// ==/UserScript==

//set preferences HERE:
automaticallySwitchTeams = true //whenever the regular conditions are satisfied AND you don't have the flag, switch teams
useUnfairTeamsWarning = true //tint the screen slightly when the other team has fewer players then your's does, but the team switching conditions are not met.
requestSwitch = true //if conditions are met, request that someone on the other team to switch to yours

// Wait until the tagpro object exists, and add the function to tagpro.ready
function addToTagproReady(fn) {
    // Make sure the tagpro object exists.
    if (typeof tagpro !== "undefined") {
        tagpro.ready(fn);
    } else {
        // If not ready, try again after a short delay.
        setTimeout(function() {
            addToTagproReady(fn);
        }, 0);
    }
}
addToTagproReady(function() {
    //requests that someone switch teams in chat is limited to once per game.
    alreadyRequested = false
    //ensure that this runs at least once when joining a game
    setTimeout(checkConditions, 500)
    //hide switch team button because you don't need it any more
    if (automaticallySwitchTeams) {
        $("#switchButton").css("display", "none")
    }
    //check team switching requirements if someone leaves/joins the game.
    tagpro.socket.on('chat', function(m) {
            if (m.from == null) {
                setTimeout(checkConditions, 200);
            }
        })
        //check team switching requirements if someone scores or drops the flag.
    tagpro.socket.on("sound", function(message) {
        if (["friendlydrop"].indexOf(message.s) > -1) {
            setTimeout(checkConditions, 3000)
        } else if (["cheering"].indexOf(message.s) > -1) {
            setTimeout(checkConditions, 200)
        }
    });
    function checkConditions() {
        if (tagpro.state != 2) {
            //count number of players on each team
            rCount = 0
            bCount = 0
            for (id in tagpro.players) {
                rCount += (tagpro.players[id].team == 1)
                bCount += (tagpro.players[id].team == 2)
            }
            playerCount = {
                    r: rCount,
                    b: bCount
                }
                //get team colors
            myTeam = tagpro.players[tagpro.playerId].team == 1 ? 'r' : 'b';
            opponentTeam = myTeam == 'r' ? 'b' : 'r';
            //check conditions for switching teams, tinting, switchteam request
            if (((playerCount[myTeam] - playerCount[opponentTeam] > 1) | (playerCount[myTeam] > playerCount[opponentTeam] & tagpro.score[myTeam] > tagpro.score[opponentTeam])) & !tagpro.players[tagpro.playerId].flag & automaticallySwitchTeams) {
                tagpro.socket.emit("switch")
                switchingTeamWarning()
            } else if (playerCount[myTeam] > playerCount[opponentTeam]) {
                if (useUnfairTeamsWarning) {
                    unevenTeamsWarning("ON")
                }
            } else if ((playerCount[opponentTeam] - playerCount[myTeam] > 1) | (playerCount[opponentTeam] > playerCount[myTeam] & tagpro.score[opponentTeam] > tagpro.score[myTeam])) {
                if (requestSwitch) {
                    if (!alreadyRequested) {
                        tagpro.socket.emit("chat", {
                            message: "can someone switch teams?",
                            toAll: true
                        })
                        alreadyRequested = true
                    }
                }
            } else if (playerCount[myTeam] <= playerCount[opponentTeam]) {
                unevenTeamsWarning("OFF")
            }
        }
    }
    //unfair team warning tinted overlay
    var unevenTeamsOverlayCSS = {
        height: "100%",
        width: "100%",
        position: "fixed",
        left: 0,
        top: 0,
        background: "rgba(200,200,200,.35)",
        display: "none"
    }
    var unevenTeamsOverlay = '<div class="unevenTeamsOverlay"></div>'
    $('body').find('#sound').after(unevenTeamsOverlay);
    $(".unevenTeamsOverlay").css(unevenTeamsOverlayCSS)
    function unevenTeamsWarning(m) {
        if (m == "ON") {
            $(".unevenTeamsOverlay").css("display", "")
        } else {
            $(".unevenTeamsOverlay").css("display", "none")
        }
    }
    //message/overlay when switching teams
    var switchingTeamOverlayCSS = {
        height: "100%",
        width: "100%",
        position: "fixed",
        left: 0,
        top: 0,
        background: "rgba(10,10,10,.7)",
        display: "none",
        "text-align": "center",
        "line-height": "300px",
        "font-size": "x-large"
    }
    var switchingTeamOverlay = '<div class="switchingTeamOverlay"><h3>Switching Teams...</h3></div>'
    $('body').find('#sound').after(switchingTeamOverlay);
    $(".switchingTeamOverlay").css(switchingTeamOverlayCSS)
    function switchingTeamWarning() {
        $(".switchingTeamOverlay").css("display", "")
        setTimeout(function() {
            $(".switchingTeamOverlay").css("display", "none")
        }, 2000);
    }
    //disable overlays at end of game
    tagpro.socket.on("end", function() {
        $(".unevenTeamsOverlay").remove()
        $(".switchingTeamOverlay").remove()
    })
});