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ReplayHelper.js
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ReplayHelper.js
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'use strict'
class ReplayHelper{
static #initiated = false;
static #postHeight = null;
static #previousHeight = null;
static #replay = null;
static init = null;
static preInit(){
if(ReplayHelper.#initiated){
console.error('ReplayHelper is already initiated.');
}
ReplayHelper.#initiated = true;
let resolve = null;
let promise = new Promise(r=>resolve=r);
ReplayHelper.init = (callback=matchLog=>{})=>{
promise.then(callback);
}
window.addEventListener('message', messageEvent => {
switch(messageEvent.data.type){
case 'Init-Fetch-Replay-Height':
if(ReplayHelper.#postHeight === null){
ReplayHelper.#postHeight = ()=>{
if(ReplayHelper.#previousHeight !== document.documentElement.scrollHeight){
ReplayHelper.#previousHeight = document.documentElement.scrollHeight;
messageEvent.source.postMessage({type: 'Replay-Height', value: document.documentElement.scrollHeight}, messageEvent.origin);
}
};
}
window.addEventListener('resize', ReplayHelper.#postHeight);
ReplayHelper.#postHeight();
break;
case 'Arena-Result':
class Log{
#log;
get length(){return this.#log.length;}
constructor(log){
this.#log = log;
}
get(index){
if(index < 0){
return this.#log[this.#log.length - index];
}else{
return this.#log[index];
}
}
filter(condition=log=>true){
return this.#log.map(l => {
const log = typeof l == 'string' ? JSON.parse(l) : l;
if(condition(log)){
return log;
}
}).filter(log => log !== undefined);
}
}
class ArenaResult{
constructor(settings={}){
for(const key in settings){
if(Object.hasOwnProperty.call(settings, key)){
if(key === 'matchLogs'){
settings[key].forEach(matchLog => matchLog.log = new Log(matchLog.log));
}
this[key] = settings[key];
}
}
}
}
class Replay{
constructor(data){
ReplayHelper.#replay = this;
this.arenaResult = new ArenaResult(data.arenaResult);
this.wrapped = data.wrapped;
this.arenaResult.teams.forEach(team => {
team.color = ReplayHelper.#getTeamColor(team);
team.members.forEach(member => member.color = ReplayHelper.#getMemberColor(member));
});
}
}
resolve(new Replay(messageEvent.data));
break;
}
});
let parent = window.opener ?? window.parent;
if(parent){
parent.postMessage({type: 'ReplayHelper-Initiated'}, '*');
}
}
static #hslToRgb(hue, saturation, lightness){
let _q = lightness < 0.5 ? lightness * (1 + saturation) : lightness + saturation - lightness * saturation;
let _p = 2 * lightness - _q;
function hueToRGB(_p, _q, _t){
if(_t < 0){_t += 1;}
if(_t > 1){_t -= 1;}
if(_t < 1/6.0){return _p + (_q - _p) * 6 * _t;}
if(_t < 1/2.0){return _q;}
if(_t < 2/3.0){return _p + (_q - _p) * (2/3.0 - _t) * 6;}
return _p;
}
return {
R: hueToRGB(_p, _q, hue + 1/3.0),
G: hueToRGB(_p, _q, hue),
B: hueToRGB(_p, _q, hue - 1/3.0)
};
}
static #getColor(index, total){
let offset = total%1 ? 0.5 : 2/3;
let hue = ((total ? index/total : index)+offset)%1;
let saturation = 1;
let lightness = 0.5;
let returnObject = {
hue,
saturation,
lightness,
...ReplayHelper.#hslToRgb(hue, saturation, lightness)
}
let red = Math.round(255*returnObject.R).toString(16);
if(red.length === 1){
red = '0'+red;
}
let green = Math.round(255*returnObject.G).toString(16);
if(green.length === 1){
green = '0'+green;
}
let blue = Math.round(255*returnObject.B).toString(16);
if(blue.length === 1){
blue = '0'+blue;
}
returnObject.RGB = '#'+red+green+blue
return returnObject;
}
static #getTeamColor(team){
let teamIndex = ReplayHelper.#replay.arenaResult.teams.findIndex(t=>t===team);
let teams = ReplayHelper.#replay.arenaResult.teams.length;
let onlySingleTeams = ReplayHelper.#replay.arenaResult.teams.filter(t => t.members.length === 1).length === teams;
if(teamIndex === 1 && teams === 2 && onlySingleTeams){ // Red vs Blue
teamIndex = 1;
teams = 3;
}
return ReplayHelper.#getColor(teamIndex, teams);
}
static #getMemberColor(member){
let teamIndex = ReplayHelper.#replay.arenaResult.teams.findIndex(t => t.members.includes(member));
let team = ReplayHelper.#replay.arenaResult.teams[teamIndex].members;
let teams = ReplayHelper.#replay.arenaResult.teams.length;
let onlySingleTeams = ReplayHelper.#replay.arenaResult.teams.filter(t => t.members.length === 1).length === teams;
let teamColorWidth = 1/teams;
let teamColorSpace = teamColorWidth * teamIndex;
let memberColorWidth;
let memberIndex;
let offset = 0;
if(teamColorWidth === 1){
memberColorWidth = teamColorWidth/(team.length);
memberIndex = team.findIndex(m => m === member);
}else{
memberColorWidth = teamColorWidth/(team.length + 1);
memberIndex = team.findIndex(m => m === member) + 1;
offset = -teamColorWidth/2;
}
let isSecondOfTwoTeamsWithOneMemberEach = teamIndex === 1 && ReplayHelper.#replay.arenaResult.teams.length === 2 && onlySingleTeams;
let isSecondMemberOfTeamWithTwoMembers = memberIndex === 1 && ReplayHelper.#replay.arenaResult.teams.length === 1 && ReplayHelper.#replay.arenaResult.teams[0].members.length === 2;
if(isSecondOfTwoTeamsWithOneMemberEach || isSecondMemberOfTeamWithTwoMembers){ // Red vs Blue
offset = isSecondOfTwoTeamsWithOneMemberEach ? 3.5/6 : 5/6;
}
return ReplayHelper.#getColor(teamColorSpace + memberColorWidth*memberIndex + offset);
}
}
ReplayHelper.preInit();