mirror of
https://github.com/placeAtlas/atlas.git
synced 2024-11-14 14:02:40 +01:00
526 lines
No EOL
12 KiB
JavaScript
526 lines
No EOL
12 KiB
JavaScript
/*!
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* The 2022 r/place Atlas
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* Copyright (c) 2017 Roland Rytz <roland@draemm.li>
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* Copyright (c) 2022 Place Atlas contributors
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* Licensed under AGPL-3.0 (https://place-atlas.stefanocoding.me/license.txt)
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*/
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const innerContainer = document.getElementById("innerContainer")
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const container = document.getElementById("container")
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const highlightCanvas = document.getElementById("highlightCanvas")
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const imageCanvas = document.getElementById('image')
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const highlightContext = highlightCanvas.getContext("2d")
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highlightCanvas.width = canvasSize.x
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highlightCanvas.height = canvasSize.y
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imageCanvas.width = canvasSize.x
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imageCanvas.height = canvasSize.y
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let zoom = 1
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if (window.devicePixelRatio) {
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zoom = 1 / window.devicePixelRatio
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}
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const maxZoom = 128
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const minZoom = 0.1
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let zoomOrigin = [0, 0]
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let scaleZoomOrigin = [0, 0]
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let dragging = false
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let lastPosition = [0, 0]
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const viewportSize = [0, 0]
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// TODO Probably merge both functions
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function applyView() {
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//console.log(zoomOrigin, scaleZoomOrigin)
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//console.log(scaleZoomOrigin[0])
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scaleZoomOrigin[0] = Math.max(-canvasCenter.x, Math.min(canvasCenter.x, scaleZoomOrigin[0]))
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scaleZoomOrigin[1] = Math.max(-canvasCenter.y, Math.min(canvasCenter.y, scaleZoomOrigin[1]))
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zoomOrigin = [scaleZoomOrigin[0] * zoom, scaleZoomOrigin[1] * zoom]
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innerContainer.style.height = (~~(zoom * canvasSize.x)) + "px"
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innerContainer.style.width = (~~(zoom * canvasSize.y)) + "px"
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innerContainer.style.left = ~~(container.clientWidth / 2 - innerContainer.clientWidth / 2 + zoomOrigin[0] + container.offsetLeft) + "px"
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innerContainer.style.top = ~~(container.clientHeight / 2 - innerContainer.clientHeight / 2 + zoomOrigin[1] + container.offsetTop) + "px"
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}
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function setView(x, y, zoomN = zoom) {
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zoom = zoomN
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scaleZoomOrigin = [
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canvasCenter.x - x,
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canvasCenter.y - y
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]
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applyView()
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}
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let atlas = null
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window.atlas = atlas
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let atlasAll = null
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window.atlasAll = atlasAll
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if (document.location.host !== prodDomain) document.body.dataset.dev = ""
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init()
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async function init() {
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const args = window.location.search
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const params = new URLSearchParams(args)
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// For Reviewing Reddit Changes
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// const atlasRef = '../tools/temp-atlas.json'
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const atlasRef = params.get('atlas') || './atlas.json'
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const atlasResp = await fetch(atlasRef)
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atlas = await atlasResp.json()
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atlas.sort((a, b) => a.center[1] - b.center[1])
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atlasAll = updateAtlasAll(atlas)
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let mode = "view"
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if (args) {
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mode = params.get("mode") || "view"
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// Backwards compatibility for old links using "search" id arg
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if (params.has('id') && mode !== 'draw') {
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const id = params.get('id')
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params.delete('id')
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const newLocation = new URL(window.location)
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newLocation.hash = id
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newLocation.search = params
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window.history.replaceState({}, '', newLocation)
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}
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}
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const hash = window.location.hash.substring(1)
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const [, period] = hash.split('/')
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if (period) {
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const [, targetPeriod, targetVariation] = parsePeriod(period)
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await updateTime(targetPeriod, targetVariation, true)
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} else {
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await updateTime(currentPeriod, currentVariation, true)
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}
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//console.log(document.documentElement.clientWidth, document.documentElement.clientHeight)
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zoomOrigin = [0, 0]
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applyView()
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let initialPinchDistance = 0
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let initialPinchZoom = 0
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let initialPinchZoomOrigin = [0, 0]
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let desiredZoom
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let zoomAnimationFrame
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document.body.dataset.mode = mode
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initGlobal()
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if (mode !== "draw") initViewGlobal()
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if (mode === "draw") {
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initDraw()
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} else if (mode === "about") {
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window.location = "./about.html"
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} else if (mode === "overlap") {
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if (initOverlap) {
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initOverlap()
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}
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} else if (mode === "explore") {
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initExplore()
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} else if (mode.startsWith("diff")) {
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try {
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const liveAtlasRef = params.get('liveatlas') || `https://${prodDomain}/atlas.json`
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const liveAtlasResp = await fetch(liveAtlasRef)
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let liveAtlas = await liveAtlasResp.json()
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liveAtlas = updateAtlasAll(liveAtlas)
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const liveAtlasReduced = liveAtlas.reduce(function (a, c) {
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a[c.id] = c
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return a
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}, {})
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// Mark added/edited entries
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atlasAll = atlasAll.map(function (entry) {
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if (liveAtlasReduced[entry.id] === undefined) {
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entry.diff = "add"
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} else if (JSON.stringify(entry) !== JSON.stringify(liveAtlasReduced[entry.id])) {
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entry.diff = "edit"
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}
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return entry
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})
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// Mark removed entries
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const atlasReduced = atlasAll.reduce(function (a, c) {
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a[c.id] = c
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return a
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}, {})
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const removedEntries = liveAtlas.filter(entry =>
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atlasReduced[entry.id] === undefined
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).map(entry => {
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entry.diff = "delete"
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return entry
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})
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atlasAll.push(...removedEntries)
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if (mode.includes("only")) {
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atlasAll = atlasAll.filter(function (entry) {
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return typeof entry.diff === "string"
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})
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}
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} catch (error) {
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console.warn("Diff mode failed to load, reverting to normal view.", error)
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} finally {
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await updateTime()
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if (initOverlap && mode.includes("overlap")) {
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initOverlap()
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} else {
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initView()
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}
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}
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} else {
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initView()
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}
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document.getElementById("loading").classList.add("d-none")
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document.getElementById("zoomInButton").addEventListener("click", function () {
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/*if(zoomAnimationFrame){
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window.cancelAnimationFrame(zoomAnimationFrame)
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}*/
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const x = container.clientWidth / 2
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const y = container.clientHeight / 2
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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]
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initialPinchZoom = zoom
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lastPosition = [x, y]
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zoom *= 2
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zoom = Math.max(minZoom, Math.min(maxZoom, zoom))
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applyZoom(x, y, zoom)
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})
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document.getElementById("zoomOutButton").addEventListener("click", function () {
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/*if(zoomAnimationFrame){
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window.cancelAnimationFrame(zoomAnimationFrame)
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}*/
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const x = container.clientWidth / 2
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const y = container.clientHeight / 2
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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]
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initialPinchZoom = zoom
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lastPosition = [x, y]
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zoom /= 2
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zoom = Math.max(minZoom, Math.min(maxZoom, zoom))
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applyZoom(x, y, zoom)
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})
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document.getElementById("zoomResetButton").addEventListener("click", function () {
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zoom = 1
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zoomOrigin = [0, 0]
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scaleZoomOrigin = [0, 0]
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updateLines()
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applyView()
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})
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container.addEventListener("dblclick", e => {
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/*if(zoomAnimationFrame){
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window.cancelAnimationFrame(zoomAnimationFrame)
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}*/
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const x = e.clientX - container.offsetLeft
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const y = e.clientY - container.offsetTop
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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]
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initialPinchZoom = zoom
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lastPosition = [x, y]
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if (e.ctrlKey) zoom /= 2
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else zoom *= 2
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zoom = Math.max(minZoom, Math.min(maxZoom, zoom))
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applyZoom(x, y, zoom)
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e.preventDefault()
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})
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container.addEventListener("wheel", e => {
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/*if(zoomAnimationFrame){
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window.cancelAnimationFrame(zoomAnimationFrame)
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}*/
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const x = e.clientX - container.offsetLeft
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const y = e.clientY - container.offsetTop
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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]
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initialPinchZoom = zoom
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lastPosition = [x, y]
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// Check if we are zooming by pixels
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// https://developer.mozilla.org/en-US/docs/Web/API/WheelEvent/deltaMode
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if (e.deltaMode === 0) {
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// Scale the pixel delta by the current zoom factor
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// We want to zoom faster when closer, and slower when further
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// This creates a smoother experience
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zoom -= e.deltaY * (0.001 * zoom)
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} else {
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if (e.deltaY > 0) zoom /= 2
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else if (e.deltaY < 0) zoom *= 2
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}
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zoom = Math.max(minZoom, Math.min(maxZoom, zoom))
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applyZoom(x, y, zoom)
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}, { passive: true })
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/*function setDesiredZoom(x, y, target){
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zoom = (zoom*2 + target)/3
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//console.log(zoom)
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if(Math.abs(1 - zoom/target) <= 0.01){
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zoom = target
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}
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applyZoom(x, y, zoom)
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if(zoom != target){
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zoomAnimationFrame = window.requestAnimationFrame(function(){
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setDesiredZoom(x, y, target)
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})
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}
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}*/
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container.addEventListener("mousedown", e => {
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mousedown(e.clientX, e.clientY)
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e.preventDefault()
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})
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container.addEventListener("touchstart", e => {
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if (e.touches.length === 2) {
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e.preventDefault()
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}
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touchstart(e)
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}, { passive: true })
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function mousedown(x, y) {
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lastPosition = [x, y]
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dragging = true
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}
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function touchstart(e) {
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if (e.touches.length === 1) {
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mousedown(e.touches[0].clientX, e.touches[0].clientY)
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} else if (e.touches.length === 2) {
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initialPinchDistance = Math.sqrt(
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Math.pow(e.touches[0].clientX - e.touches[1].clientX, 2)
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+ Math.pow(e.touches[0].clientY - e.touches[1].clientY, 2)
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)
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initialPinchZoom = zoom
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initialPinchZoomOrigin = [
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scaleZoomOrigin[0],
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scaleZoomOrigin[1]
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]
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mousedown(
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(e.touches[0].clientX + e.touches[1].clientX) / 2,
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(e.touches[0].clientY + e.touches[1].clientY) / 2
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)
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}
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}
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window.addEventListener("mousemove", e => {
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updateLines()
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mousemove(e.clientX, e.clientY)
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if (dragging) {
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e.preventDefault()
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}
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})
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window.addEventListener("touchmove", e => {
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if (e.touches.length === 2 || e.scale > 1) {
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e.preventDefault()
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}
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touchmove(e)
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},
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{ passive: false }
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)
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function mousemove(x, y) {
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if (!dragging) return
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container.style.cursor = "move"
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const deltaX = x - lastPosition[0]
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const deltaY = y - lastPosition[1]
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lastPosition = [x, y]
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zoomOrigin[0] += deltaX
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zoomOrigin[1] += deltaY
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scaleZoomOrigin[0] += deltaX / zoom
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scaleZoomOrigin[1] += deltaY / zoom
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updateLines()
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applyView()
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}
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function touchmove(e) {
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updateLines()
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if (e.touches.length === 1) {
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mousemove(e.touches[0].clientX, e.touches[0].clientY)
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} else if (e.touches.length === 2) {
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const newPinchDistance = Math.sqrt(
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Math.pow(e.touches[0].clientX - e.touches[1].clientX, 2)
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+ Math.pow(e.touches[0].clientY - e.touches[1].clientY, 2)
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)
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zoom = initialPinchZoom * newPinchDistance / initialPinchDistance
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const x = (e.touches[0].clientX + e.touches[1].clientX) / 2 - container.offsetLeft
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const y = (e.touches[0].clientY + e.touches[1].clientY) / 2 - container.offsetTop
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applyZoom(x, y, zoom)
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}
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}
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function applyZoom(x, y, zoom) {
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const deltaX = x - lastPosition[0]
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const deltaY = y - lastPosition[1]
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const pinchTranslateX = (x - container.clientWidth / 2 - deltaX)
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const pinchTranslateY = (y - container.clientHeight / 2 - deltaY)
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scaleZoomOrigin[0] = initialPinchZoomOrigin[0] + deltaX / zoom + pinchTranslateX / zoom - pinchTranslateX / initialPinchZoom
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scaleZoomOrigin[1] = initialPinchZoomOrigin[1] + deltaY / zoom + pinchTranslateY / zoom - pinchTranslateY / initialPinchZoom
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zoomOrigin[0] = scaleZoomOrigin[0] * zoom
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zoomOrigin[1] = scaleZoomOrigin[1] * zoom
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applyView()
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updateLines()
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}
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window.addEventListener("mouseup", e => {
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if (hovered.length > 0) {
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container.style.cursor = "pointer"
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} else if (drawing === true) {
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container.style.cursor = "crosshair"
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} else {
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container.style.cursor = "default"
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}
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if (dragging) {
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e.preventDefault()
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}
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mouseup(e.clientX, e.clientY)
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})
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window.addEventListener("touchend", touchend)
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function mouseup(x, y) {
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if (dragging) {
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dragging = false
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}
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}
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function touchend(e) {
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if (e.touches.length === 0) {
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mouseup()
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setTimeout(() => updateLines(), 0)
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} else if (e.touches.length === 1) {
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initialPinchZoom = zoom
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lastPosition = [e.touches[0].clientX, e.touches[0].clientY]
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}
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}
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window.addEventListener("resize", function () {
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//console.log(document.documentElement.clientWidth, document.documentElement.clientHeight)
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applyView()
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})
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document.body.dataset.initDone = ''
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}
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function updateAtlasAll(atlas = atlasAll) {
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for (const index in atlas) {
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const entry = atlas[index]
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entry._index = index
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const currentLinks = entry.links
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entry.links = {
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website: [],
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subreddit: [],
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discord: [],
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wiki: [],
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...currentLinks
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}
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const currentPath = entry.path
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const currentCenter = entry.center
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for (const key in currentPath) {
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currentPath[key] = currentPath[key].map(point => point.map(int => int + 0.5))
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}
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for (const key in currentCenter) {
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currentCenter[key] = currentCenter[key].map(int => int + 0.5)
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}
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entry.path = currentPath
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entry.center = currentCenter
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}
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return atlas
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} |