From 46bc5d4abdb279c1b31cb669c5d92b0ca104c2f9 Mon Sep 17 00:00:00 2001 From: Neale Pickett Date: Tue, 11 Apr 2017 00:27:55 +0000 Subject: [PATCH] The Incredible Historical Replay Scoreboard --- www/scoreboard.js | 257 +++++++++++++++++++++++++++------------------- 1 file changed, 152 insertions(+), 105 deletions(-) diff --git a/www/scoreboard.js b/www/scoreboard.js index 76486f0..5a60799 100644 --- a/www/scoreboard.js +++ b/www/scoreboard.js @@ -1,116 +1,163 @@ function loadJSON(url, callback) { - function loaded(e) { - callback(e.target.response); - } - var xhr = new XMLHttpRequest() - xhr.onload = loaded; - xhr.open("GET", url, true); - xhr.responseType = "json"; - xhr.send(); + function loaded(e) { + callback(e.target.response); + } + var xhr = new XMLHttpRequest() + xhr.onload = loaded; + xhr.open("GET", url, true); + xhr.responseType = "json"; + xhr.send(); +} + +function scoreboardHistoryPush(pointslog) { + let pointsHistory = JSON.parse(localStorage.getItem("pointsHistory")) || []; + if (pointsHistory.length >= 20) { + pointsHistory.shift(); + } + pointsHistory.push(pointslog); + localStorage.setItem("pointsHistory", JSON.stringify(pointsHistory)); } function scoreboard(element, continuous) { - function update(state) { - var teamnames = state["teams"]; - var pointslog = state["points"]; - var pointshistory = JSON.parse(localStorage.getItem("pointshistory")) || []; - if (pointshistory.length >= 20){ - pointshistory.shift(); + function update(state) { + let teamNames = state["teams"]; + let pointsLog = state["points"]; + + // Establish scores, calculate category maximums + let categories = {}; + let maxPointsByCategory = {}; + let totalPointsByTeamByCategory = {}; + for (let entry of pointsLog) { + let entryTimeStamp = entry[0]; + let entryTeamHash = entry[1]; + let entryCategory = entry[2]; + let entryPoints = entry[3]; + + // Populate list of all categories + categories[entryCategory] = entryCategory; + + // Add points to team's points for that category + let points = totalPointsByTeamByCategory[entryTeamHash] || {}; + let categoryPoints = points[entryCategory] || 0; + categoryPoints += entryPoints; + points[entryCategory] = categoryPoints; + totalPointsByTeamByCategory[entryTeamHash] = points; + + // Calculate maximum points scored in each category + let m = maxPointsByCategory[entryCategory] || 0; + maxPointsByCategory[entryCategory] = Math.max(m, categoryPoints); + } + + // Calculate overall scores + let overallScore = {}; + let orderedOverallScores = []; + for (let teamHash in teamNames) { + var score = 0; + for (let cat in categories) { + var catPoints = totalPointsByTeamByCategory[teamHash][cat] || 0; + if (catPoints > 0) { + score += catPoints / maxPointsByCategory[cat]; } - pointshistory.push(pointslog); - localStorage.setItem("pointshistory", JSON.stringify(pointshistory)); - var highscore = {}; - var teams = {}; + } + overallScore[teamHash] = score; + orderedOverallScores.push([score, teamHash]); + } + orderedOverallScores.sort(); + orderedOverallScores.reverse(); - // Dole out points - for (var i in pointslog) { - var entry = pointslog[i]; - var timestamp = entry[0]; - var teamhash = entry[1]; - var category = entry[2]; - var points = entry[3]; - - var team = teams[teamhash] || {__hash__: teamhash}; - - // Add points to team's points for that category - team[category] = (team[category] || 0) + points; - - // Record highest score in a category - highscore[category] = Math.max(highscore[category] || 0, team[category]); - - teams[teamhash] = team; - } - - // Sort by team score - function teamScore(t) { - var score = 0; - - for (var category in highscore) { - score += (t[category] || 0) / highscore[category]; - } - // XXX: This function really shouldn't have side effects. - t.__score__ = score; - return score; - } - function teamCompare(a, b) { - return teamScore(a) - teamScore(b); - } - - var winners = []; - for (var i in teams) { - winners.push(teams[i]); - } - if (winners.length == 0) { - // No teams! - return; - } - winners.sort(teamCompare); - winners.reverse(); - - // Clear out the element we're about to populate - while (element.lastChild) { - element.removeChild(element.lastChild); - } - - // Populate! - var topActualScore = winners[0].__score__; - - // (100 / ncats) * (ncats / topActualScore); - var maxWidth = 100 / topActualScore; - for (var i in winners) { - var team = winners[i]; - var row = document.createElement("div"); - var ncat = 0; - for (var category in highscore) { - var catHigh = highscore[category]; - var catTeam = team[category] || 0; - var catPct = catTeam / catHigh; - var width = maxWidth * catPct; - - var bar = document.createElement("span"); - bar.classList.add("cat" + ncat); - bar.style.width = width + "%"; - bar.textContent = category + ": " + catTeam; - bar.title = bar.textContent; - - row.appendChild(bar); - ncat += 1; - } - - var te = document.createElement("span"); - te.classList.add("teamname"); - te.textContent = teamnames[team.__hash__]; - row.appendChild(te); - - element.appendChild(row); - } + // Clear out the element we're about to populate + while (element.lastChild) { + element.removeChild(element.lastChild); } - function once() { - loadJSON("points.json", update); + // Set up scoreboard structure + let spansByTeamByCategory = {}; + for (let pair of orderedOverallScores) { + let teamHash = pair[1]; + let teamName = teamNames[teamHash]; + let teamRow = document.createElement("div"); + let ncat = 0; + spansByTeamByCategory[teamHash] = {}; + for (let cat in categories) { + let catSpan = document.createElement("span"); + catSpan.classList.add("cat" + ncat); + catSpan.style.width = "0%"; + catSpan.textContent = cat + ": 0"; + + spansByTeamByCategory[teamHash][cat] = catSpan; + + teamRow.appendChild(catSpan); + ncat += 1; + } + + var te = document.createElement("span"); + te.classList.add("teamname"); + te.textContent = teamName; + teamRow.appendChild(te); + + element.appendChild(teamRow); } - if (continuous) { - setInterval(once, 60000); + + // How many categories are there? + var numCategories = 0; + for (var cat in categories) { + numCategories += 1; } - once(); + + // Replay points log, displaying scoreboard at each step + let replayTimer = null; + let replayIndex = 0; + function replayStep(event) { + if (replayIndex > pointsLog.length) { + clearInterval(replayTimer); + return; + } + + // Replay log up until replayIndex + let totalPointsByTeamByCategory = {}; + for (let index = 0; index < replayIndex; index += 1) { + let entry = pointsLog[index]; + let entryTimeStamp = entry[0]; + let entryTeamHash = entry[1]; + let entryCategory = entry[2]; + let entryPoints = entry[3]; + + // Add points to team's points for that category + let points = totalPointsByTeamByCategory[entryTeamHash] || {}; + let categoryPoints = points[entryCategory] || 0; + categoryPoints += entryPoints; + points[entryCategory] = categoryPoints; + totalPointsByTeamByCategory[entryTeamHash] = points; + } + + // Figure out everybody's score + for (let teamHash in teamNames) { + for (let cat in categories) { + let totalPointsByCategory = totalPointsByTeamByCategory[teamHash] || {}; + let points = totalPointsByCategory[cat] || 0; + if (points > 0) { + let score = points / maxPointsByCategory[cat]; + let span = spansByTeamByCategory[teamHash][cat]; + let width = (100.0 / numCategories) * score; + + span.style.width = width + "%"; + span.textContent = cat + ": " + points; + span.title = span.textContent; + } + } + } + + replayIndex += 1; + } + replayStep(); + replayTimer = setInterval(replayStep, 20); + } + + function once() { + loadJSON("points.json", update); + } + if (continuous) { + setInterval(once, 60000); + } + once(); }