moth/theme/scoreboard.mjs

95 lines
2.7 KiB
JavaScript

import * as moth from "./moth.mjs"
import * as common from "./common.mjs"
const server = new moth.Server(".")
const ReplayDuration = 0.3 * common.Second
const MaxFrameRate = 60
/** Don't let any team's score exceed this percentage width */
const MaxScoreWidth = 95
/**
* Returns a promise that resolves after timeout.
*
* @param {Number} timeout How long to sleep (milliseconds)
* @returns {Promise}
*/
function sleep(timeout) {
return new Promise(resolve => setTimeout(resolve, timeout));
}
/**
* Pull new points log, and update the scoreboard.
*
* The update is animated, because I think that looks cool.
*/
async function update() {
let config = await common.Config()
for (let e of document.querySelectorAll(".location")) {
e.textContent = common.BaseURL
e.classList.toggle("hidden", !config.URLInScoreboard)
}
let state = await server.GetState()
let rankingsElement = document.querySelector("#rankings")
let logSize = state.PointsLog.length
// Figure out the timing so that we can replay the scoreboard in about
// ReplayDuration, but no more than 24 frames per second.
let frameModulo = 1
let delay = 0
while (delay < (common.Second / MaxFrameRate)) {
frameModulo += 1
delay = ReplayDuration / (logSize / frameModulo)
}
let frame = 0
for (let scores of state.ScoreHistory()) {
frame += 1
if ((frame < state.PointsLog.length) && (frame % frameModulo)) {
continue
}
while (rankingsElement.firstChild) rankingsElement.firstChild.remove()
let sortedTeamIDs = [...scores.TeamIDs]
sortedTeamIDs.sort((a, b) => scores.CyFiScore(a) - scores.CyFiScore(b))
sortedTeamIDs.reverse()
let topScore = scores.CyFiScore(sortedTeamIDs[0])
for (let teamID of sortedTeamIDs) {
let teamName = state.TeamNames[teamID]
let row = rankingsElement.appendChild(document.createElement("div"))
let heading = row.appendChild(document.createElement("span"))
heading.textContent = teamName
heading.classList.add("teamname")
let categoryNumber = 0
for (let category of scores.Categories) {
let score = scores.CyFiCategoryScore(category, teamID)
if (!score) {
continue
}
let block = row.appendChild(document.createElement("span"))
let points = scores.GetPoints(category, teamID)
let width = MaxScoreWidth * score / topScore
block.textContent = category
block.title = `${points} points`
block.style.width = `${width}%`
block.classList.add(`cat${categoryNumber}`)
categoryNumber += 1
}
}
await sleep(delay)
}
}
function init() {
setInterval(update, common.Minute)
update()
}
common.WhenDOMLoaded(init)