BuddyPercent.js

// ==UserScript==
// @name          Teammate Win Percents
// @author        EphewSeakay (Feat. Capernicus aka u/StraightZlat)
// @version       0.1
// @include       http://*.koalabeast.com:*
// @include       http://tagpro-*.koalabeast.com*
// @grant         GM_setValue
// @grant         GM_getValue
// ==/UserScript==

tagpro.ready(function() {

    if (tagpro.state) {  // make sure were actually in a game

        /* Get the stats table */

        var statsTable = document.getElementById("stats");

        /* Insert new header */

        var tableHeader = statsTable.tHead;                // get header of table
        var firstTr = tableHeader.rows[0];                 // get first table row of header
        var numberCellsInRow = firstTr.cells.length;       // get number of children that row has
        var newHeader = document.createElement("th");      // create a header cell element
        newHeader.innerText = "Buddy %";                   // set text of new cell
        var newHeader2 = document.createElement("th");
        newHeader2.innerText = "Against %";
        firstTr.insertBefore(newHeader, firstTr.cells[numberCellsInRow - 1]); // add new cell
        firstTr.insertBefore(newHeader2, firstTr.cells[numberCellsInRow - 1]);

        /* Insert data */

        var tableBody = statsTable.tBodies[0];
        var rows = tableBody.rows; // array containing rows of table body (1 for each player)

        /* This code will get ran every time the table updates (about once per second when table is open)
         We need this because tagpro re-renders the table every second or so to reflect each players updated stats
         So we need to add our Buddy % cell for each row every time it updates. */

        tagpro.events.register({
            modifyScoreUI: function() {
                for (var i = 0; i < rows.length; i++) {                                // loop through every row of table body
                    var currentRow = rows[i];                                          // get current row (at i'th index)
                    var numberOfCellsInRow = currentRow.cells.length;                  // get number of cells in that row
                    var firstChild = currentRow.cells[0];                              // cell of row with player's name
                    var nameSpan = firstChild.getElementsByClassName("scoreName")[0];  // part of cell that holds player's name
                    var name = nameSpan.innerText;                                     // extract player's name from cell
                    if (!name) {                                                       // make sure name is actually there
                        continue;                                                      // if name is not there, go to next iteration of loop
                    }
                    var playerData = GM_getValue(name, '{"totalGames": 0, "winsWith": "N/A", "winsAgainst": "N/A"}');// get data stored for that player
                    var formattedData = JSON.parse(playerData);
                    var gamesPlayed = formattedData["totalGames"];
                    var winsWithPlayer = formattedData["winsWith"];
                    var winsAgainst = formattedData["winsAgainst"];
                    var winPercent = "N/A";
                    var percentAgainst = "N/A";
                    if (gamesPlayed == 0) {
                        winPercent = "N/A";
                        percentAgainst = "N/A";
                    } else {
                        if (winsWithPlayer != "N/A") {
                            winPercent = winsWithPlayer / gamesPlayed * 100;
                            winPercent = Math.round(winPercent * 100) / 100;               // round percents to nearest .01
                        }
                        if (winsAgainst != "N/A") {
                            percentAgainst = winsAgainst / gamesPlayed * 100;
                            percentAgainst = Math.round(percentAgainst * 100) / 100;
                        }
                    }
                    var newCell = currentRow.insertCell(numberOfCellsInRow - 1);       // insert a new cell inside of the current row
                    newCell.innerText = winPercent;                                    // set inner text of new cell
                    var newCell2 = currentRow.insertCell(numberOfCellsInRow - 1);
                    newCell2.innerText = percentAgainst;
                }
            }
        });

        /* Wait for game to end, set data once it does */

        if (tagpro.socket) {
            tagpro.socket.on('end', function(e) {
                if (!tagpro.spectator) {
                    var me = tagpro.players[tagpro.playerId];     // me (tagpro.playerId is my id)
                    var myTeam = me.team;                         // get my team number (1=red, 2=blue)

                    /* Get all players on my team */

                    var players = tagpro.players;
                    var playersOnOurTeam = [];
                    var playersAgainst = [];
                    for (var playerId in players) {                // loop through each player
                        if (playerId != tagpro.playerId) {         // check so we dont add ourselves to playersOnOurTeam
                            var playerData = players[playerId];    // get that player's data
                            var playerTeam = playerData.team;
                            if (playerTeam == myTeam) {            // check if player is on our team
                                playersOnOurTeam.push(playerData); // add player's data to our team array
                            } else {            // check if player is on the other team
                                playersAgainst.push(playerData);   // add player's data to our against array
                            }
                         }
                    }

                    /* Check if I won */

                    var winner = e.winner;
                    var didWin = false;
                    // if red won, and my team is the red team, or if blue won and my team is the blue team, we won
                    if ((winner == 'red' && myTeam == 1) || (winner == 'blue' && myTeam == 2)) {
                        didWin = true;
                    }

                    /*
                      Loop through all players on my team
                    */
                    for (var i = 0; i < playersOnOurTeam.length; i++) {
                        var player = playersOnOurTeam[i];
                        // values are stored as an object (same thing as dictionary in python)
                        // format of data is dictionary["personsName"] = {"totalGames": 0, "wins": 0}
                        var pastData = GM_getValue(player.name, '{"totalGames": 0, "winsWith": 0, "winsAgainst": "N/A"}');
                        var formattedData = JSON.parse(pastData);      // Need to format data correctly
                        var gamesPlayed = formattedData["totalGames"];
                        var winsWithPlayer = formattedData["winsWith"];
                        var winsAgainst = formattedData["winsAgainst"];
                        if (didWin) { // if we won, then increment the number of wins we've won with the player
                            winsWithPlayer++;
                        }
                        // this is the object that we will store
                        dataToStore = {
                            "totalGames": gamesPlayed + 1,
                            "winsWith": winsWithPlayer,
                            "winsAgainst": winsAgainst
                        };
                        // save data
                        GM_setValue(player.name, JSON.stringify(dataToStore));  // JSON.stringify encodes the data in a way that it can be stored
                    }

                    for (var i = 0; i < playersAgainst.length; i++) {
                        var player = playersAgainst[i];
                        var pastData = GM_getValue(player.name, '{"totalGames": 0, "winsWith": "N/A", "winsAgainst":0}');
                        var formattedData = JSON.parse(pastData);      // Need to format data correctly
                        var gamesPlayed = formattedData["totalGames"];
                        var winsWith = formattedData["winsWith"];
                        var winsAgainst = formattedData["winsAgainst"];
                        if (didWin) {
                            winsAgainst++;
                        }
                        dataToStore = {
                            "totalGames": gamesPlayed + 1,
                            "winsWith": winsWith,
                            "winsAgainst": winsAgainst
                        };

                        GM_setValue(player.name, JSON.stringify(dataToStore));
                    }
                }
            })
        }
    }
});