// class code from: https://www.phpied.com/3-ways-to-define-a-javascript-class/ "use strict"; var base0 = 0x5a4a; var base1 = 0x0248; var base2 = 0xb753; // original code: https://github.com/alxgiraud/fantasygen/blob/master/public/js/services/markovChainGenerator.js function FantasygenGenerator_Node(char) { this.character = char; this.neighbors = []; } function FantasygenGenerator_TrieNode() { this.children = []; } function FantasygenGenerator() { this.order = 3; this.duplicates = new FantasygenGenerator_TrieNode(); this.start = new FantasygenGenerator_Node(""); this.map = {}; } FantasygenGenerator.prototype.capitalize = function(str) { str = str.charAt(0).toUpperCase() + str.slice(1); if (str.length === 1) { return str; } for (var i = 1; i < str.length; i += 1) { if ( !str .charAt(i - 1) .match( /[a-zÆÐƎƏƐƔĲŊŒẞÞǷȜæðǝəɛɣĳŋœĸſßþƿȝĄƁÇĐƊĘĦĮƘŁØƠŞȘŢȚŦŲƯY̨Ƴąɓçđɗęħįƙłøơşșţțŧųưy̨ƴÁÀÂÄǍĂĀÃÅǺĄÆǼǢƁĆĊĈČÇĎḌĐƊÐÉÈĖÊËĚĔĒĘẸƎƏƐĠĜǦĞĢƔáàâäǎăāãåǻąæǽǣɓćċĉčçďḍđɗðéèėêëěĕēęẹǝəɛġĝǧğģɣĤḤĦIÍÌİÎÏǏĬĪĨĮỊĲĴĶƘĹĻŁĽĿʼNŃN̈ŇÑŅŊÓÒÔÖǑŎŌÕŐỌØǾƠŒĥḥħıíìiîïǐĭīĩįịĳĵķƙĸĺļłľŀŉńn̈ňñņŋóòôöǒŏōõőọøǿơœŔŘŖŚŜŠŞȘṢẞŤŢṬŦÞÚÙÛÜǓŬŪŨŰŮŲỤƯẂẀŴẄǷÝỲŶŸȲỸƳŹŻŽẒŕřŗſśŝšşșṣßťţṭŧþúùûüǔŭūũűůųụưẃẁŵẅƿýỳŷÿȳỹƴźżžẓ]/i ) && str.length > i + 1 ) { str = str.slice(0, i) + str.charAt(i).toUpperCase() + str.slice(i + 1); } } return str; } FantasygenGenerator.prototype.addToDuplicatesTrie = function(word, duplicates) { if (word.length > 1) { this.addToDuplicatesTrie(word.substr(1), duplicates); } var currentNode = duplicates, childNode; for (var i = 0; i < word.length; i += 1) { childNode = currentNode.children[word[i]]; if (!childNode) { childNode = new FantasygenGenerator_TrieNode(); currentNode.children[word[i]] = childNode; } currentNode = childNode; } } FantasygenGenerator.prototype.isDuplicate = function(word, duplicates) { word = word.toLowerCase(); var currentNode = duplicates, childNode; for (var i = 0; i < word.length; i += 1) { childNode = currentNode.children[word[i]]; if (!childNode) { return false; } currentNode = childNode; } return true; } FantasygenGenerator.prototype.refresh = function() { this.order = 3; this.duplicates = new FantasygenGenerator_TrieNode(); this.start = new FantasygenGenerator_Node(""); this.map = {}; } FantasygenGenerator.prototype.setOrder = function(o) { this.order = o; } FantasygenGenerator.prototype.addWordsToChain = function(words) { for (var i = 0; i < words.length; i += 1) { this.addWordToChain(words[i]); } } FantasygenGenerator.prototype.addWordToChain = function(word) { this.addToDuplicatesTrie(word.toLowerCase(), this.duplicates); var previous = this.start, key = "", char, newNode; for (var i = 0; i < word.length; i += 1) { char = word[i]; key += char; if (key.length > this.order) { key = key.substr(1); } newNode = this.map[key]; if (!newNode) { newNode = new FantasygenGenerator_Node(char); this.map[key] = newNode; } previous.neighbors.push(newNode); previous = newNode; } previous.neighbors.push(null); } FantasygenGenerator.prototype.generateWord = function( minLength, maxLength, startWith, endWith, contains, doesntContains, allowDuplicates, maxAttempts ) { if (startWith === undefined) { startWith = ""; } if (endWith === undefined) { endWith = ""; } if ( minLength === undefined || minLength < startWith.length || minLength < endWith.length ) { minLength = startWith.length > endWith.length ? startWith.length : endWith.length; } if (allowDuplicates === undefined) { allowDuplicates = false; } if (maxLength === undefined) { maxLength = -1; } if (maxAttempts === undefined) { maxAttempts = 100; } var word = "", repeat = true, attempts = 0, nextNodeIndex, currentNode; while (!word.length) { attempts += 1; if (attempts >= maxAttempts) { return; } nextNodeIndex = Math.floor(Math.random() * this.start.neighbors.length); currentNode = this.start.neighbors[nextNodeIndex]; word = ""; while (currentNode && (maxLength < 0 || word.length <= maxLength)) { word += currentNode.character; nextNodeIndex = Math.floor( Math.random() * currentNode.neighbors.length ); currentNode = currentNode.neighbors[nextNodeIndex]; } if ( word.substr(0, startWith.length) !== startWith || word.substr(word.length - endWith.length) !== endWith || (typeof contains !== "undefined" && word.indexOf(contains) === -1) || (typeof doesntContains !== "undefined" && doesntContains.length > 0 && word.indexOf(doesntContains) > -1) || word.length > maxLength || word.length < minLength || (!allowDuplicates && this.isDuplicate(word, this.duplicates)) ) { word = ""; } } return this.capitalize(word); } function EliteGalaxyGenerator(base0, base1, base2) { this.base0 = base0 || 0x5a4a; this.base1 = base1 || 0x0248; this.base2 = base2 || 0xb753; this.galsize = 256; this.galaxy = []; this.seed = {}; this.rnd_seed = {}; this.pairs0 = "ABOUSEITILETSTONLONUTHNOALLEXEGEZACEBISOUSESARMAINDIREA.ERATENBERALAVETIEDORQUANTEISRION".split(""); this.pairs = "..LEXEGEZACEBISOUSESARMAINDIREA.ERATENBERALAVETIEDORQUANTEISRION".split(""); this.govnames = [ "Anarchy", "Feudal", "Multi-gov", "Dictatorship", "Communist", "Confederacy", "Democracy", "Corporate State" ]; this.econnames = [ "Rich Ind", "Average Ind", "Poor Ind", "Mainly Ind", "Mainly Agri", "Rich Agri", "Average Agri", "Poor Agri" ]; this.desc_list = [ ["fabled", "notable", "well known", "famous", "noted"], ["very", "mildly", "most", "reasonably", ""], ["ancient", "\x95", "great", "vast", "pink"], ["\x9E \x9D plantations", "mountains", "\x9C", "\x94 forests", "oceans"], [ "shyness", "silliness", "mating traditions", "loathing of \x86", "love for \x86" ], ["food blenders", "tourists", "poetry", "discos", "\x8E"], ["talking tree", "crab", "bat", "lobst", "\xB2"], ["beset", "plagued", "ravaged", "cursed", "scourged"], [ "\x96 civil war", "\x9B \x98 \x99s", "a \x9B disease", "\x96 earthquakes", "\x96 solar activity" ], [ "its \x83 \x84", "the \xB1 \x98 \x99", "its inhabitants' \x9A \x85", "\xA1", "its \x8D \x8E" ], ["juice", "brandy", "water", "brew", "gargle blasters"], ["\xB2", "\xB1 \x99", "\xB1 \xB2", "\xB1 \x9B", "\x9B \xB2"], ["fabulous", "exotic", "hoopy", "unusual", "exciting"], ["cuisine", "night life", "casinos", "sit coms", " \xA1 "], [ "\xB0", "The planet \xB0", "The world \xB0", "This planet", "This world" ], ["n unremarkable", " boring", " dull", " tedious", " revolting"], ["planet", "world", "place", "little planet", "dump"], ["wasp", "moth", "grub", "ant", "\xB2"], ["poet", "arts graduate", "yak", "snail", "slug"], ["tropical", "dense", "rain", "impenetrable", "exuberant"], ["funny", "wierd", "unusual", "strange", "peculiar"], ["frequent", "occasional", "unpredictable", "dreadful", "deadly"], [ "\x82 \x81 for \x8A", "\x82 \x81 for \x8A and \x8A", "\x88 by \x89", "\x82 \x81 for \x8A but \x88 by \x89", "a\x90 \x91" ], ["\x9B", "mountain", "edible", "tree", "spotted"], ["\x9F", "\xA0", "\x87oid", "\x93", "\x92"], ["ancient", "exceptional", "eccentric", "ingrained", "\x95"], ["killer", "deadly", "evil", "lethal", "vicious"], [ "parking meters", "dust clouds", "ice bergs", "rock formations", "volcanoes" ], ["plant", "tulip", "banana", "corn", "\xB2weed"], ["\xB2", "\xB1 \xB2", "\xB1 \x9B", "inhabitant", "\xB1 \xB2"], ["shrew", "beast", "bison", "snake", "wolf"], ["leopard", "cat", "monkey", "goat", "fish"], [ "\x8C \x8B", "\xB1 \x9F \xA2", "its \x8D \xA0 \xA2", "\xA3 \xA4", "\x8C \x8B" ], ["meat", "cutlet", "steak", "burgers", "soup"], ["ice", "mud", "Zero-G", "vacuum", "\xB1 ultra"], ["hockey", "cricket", "karate", "polo", "tennis"] ]; // names from: https://github.com/Tw1ddle/MarkovNameGenerator/blob/master/embed/stars_proper_names.txt this.star_proper_names = [ "acamar", "achernar", "achird", "acrab", "acrux", "acubens", "adhafera", "adhara", "ain", "aladfar", "alamak", "alaraph", "alathfar", "albaldah", "albali", "albireo", "alchiba", "alcor", "alcyone", "aldebaran", "alderamin", "aldhafera", "aldhibah", "aldib", "alfirk", "algedi", "algenib", "algieba", "algol", "algorab", "alhajoth", "alhena", "alioth", "alkaid", "alkalurops", "alkes", "alkurah", "almach", "alnasl", "alnilam", "alnitak", "alniyat", "alphard", "alphecca", "alpheratz", "alrai", "alrakis", "alrami", "alrischa", "alsafi", "alsciaukat", "alshain", "alshat", "altair", "altais", "altarf", "alterf", "aludra", "alwaid", "alya", "alzir", "ancha", "angetenar", "ankaa", "antares", "arcturus", "arich", "arided", "arkab", "armus", "arneb", "arrakis", "ascella", "asellus", "ashlesha", "askella", "aspidiske", "asterion", "asterope", "atik", "atlas", "atria", "auva", "avior", "azaleh", "azelfafage", "azha", "azimech", "azmidiske", "baham", "baten", "becrux", "beid", "bellatrix", "benetnasch", "betelgeuse", "botein", "brachium", "caiam", "canopus", "capella", "caph", "caphir", "castor", "castula", "celaeno", "celbalrai", "chara", "cheleb", "chertan", "coxa", "cursa", "cynosura", "dabih", "decrux", "deneb", "denebola", "dheneb", "diadem", "diphda", "dnoces", "dschubba", "dubhe", "duhr", "edasich", "electra", "elmuthalleth", "elnath", "eltanin", "enif", "errai", "etamin", "fomalhaut", "furud", "gacrux", "gatria", "gemma", "gianfar", "giedi", "giennah", "girtab", "gomeisa", "gorgonea", "graffias", "grafias", "grassias", "grumium", "hadar", "hadir", "haedus", "haldus", "hamal", "hassaleh", "heka", "heze", "hoedus", "homam", "hyadum", "hydrobius", "hydrus", "izar", "jabbah", "jih", "kabdhilinan", "kaffaljidhma", "kajam", "kastra", "keid", "kitalpha", "kleeia", "kochab", "kornephoros", "kraz", "ksora", "kuma", "lesath", "maasym", "mahasim", "maia", "marfark", "marfik", "markab", "matar", "mebsuta", "media", "megrez", "meissa", "mekbuda", "menchib", "menkab", "menkalinan", "menkar", "menkent", "menkib", "merak", "merga", "merope", "mesarthim", "miaplacidus", "mimosa", "minchir", "minelava", "minkar", "mintaka", "mira", "mirach", "miram", "mirfak", "mirzam", "misam", "mizar", "mothallah", "muliphein", "muphrid", "murzim", "naos", "nash", "nashira", "navi", "nekkar", "nembus", "neshmet", "nihal", "nunki", "nusakan", "okul", "peacock", "phact", "phad", "pherkad", "pherkard", "pleione", "pollux", "porrima", "praecipua", "procyon", "propus", "proximacentauri", "pulcherrim", "rana", "rasalas", "rastaban", "regor", "regulus", "rigel", "rotanev", "ruchba", "ruchbah", "rukbat", "sabik", "sadachbia", "sadalbari", "sadalmelik", "sadalsuud", "sadatoni", "sadira", "sadlamulk", "sadr", "saiph", "salm", "sargas", "sarin", "sceptrum", "scheat", "schedar", "scheddi", "segin", "seginus", "sham", "shaula", "sheliak", "sheratan", "sinistra", "sirius", "situla", "skat", "sol", "spica", "sterope", "sualocin", "subra", "suhail", "suhel", "sulafat", "syrma", "tabit", "tarazet", "taygeta", "terebellum", "thabit", "theemin", "unukalhai", "vega", "vindemiatrix", "wasat", "wei", "wezen", "wezn", "yildun", "zaniah", "zaurak", "zavijava", "zedaron", "zelphah", "zibal", "zosma", "zubenelgenubi", "zubenelgubi", "zubeneschemali", "zubenhakrabi" ]; this.useMarkov = true; this.fantasygenGenerator = new FantasygenGenerator(); this.fantasygenGenerator.addWordsToChain(this.star_proper_names); } EliteGalaxyGenerator.prototype.makesystem = function(seed) { var thissys = {}; var pair1, pair2, pair3, pair4; var longnameflag = seed.w0 & 64; thissys.x = this.uint8_limit(seed.w1 >> 8); thissys.y = this.uint8_limit(seed.w0 >> 8); thissys.govtype = (seed.w1 >> 3) & 7; thissys.economy = (seed.w0 >> 8) & 7; if (thissys.govtype <= 1) { thissys.economy = thissys.economy | 2; } thissys.techlev = ((seed.w1 >> 8) & 3) + (thissys.economy ^ 7); thissys.techlev += thissys.govtype >> 1; if ((thissys.govtype & 1) == 1) { thissys.techlev += 1; } thissys.population = 4 * thissys.techlev + thissys.economy; thissys.population += thissys.govtype + 1; thissys.productivity = ((thissys.economy ^ 7) + 3) * (thissys.govtype + 4); thissys.productivity *= thissys.population * 8; thissys.radius = 256 * (((seed.w2 >> 8) & 15) + 11) + thissys.x; thissys.goatsoupseed = {}; thissys.goatsoupseed.a = seed.w1 & 0xff; thissys.goatsoupseed.b = this.uint8_limit(seed.w1 >> 8); thissys.goatsoupseed.c = seed.w2 & 0xff; thissys.goatsoupseed.d = this.uint8_limit(seed.w2 >> 8); if (this.useMarkov) { Math.seedrandom([seed.w0, seed.w1, seed.w2]); thissys.name = this.fantasygenGenerator.generateWord(3, 11).toUpperCase(); this.tweakseed(seed); this.tweakseed(seed); this.tweakseed(seed); this.tweakseed(seed); } else { pair1 = 2 * ((seed.w2 >> 8) & 31); this.tweakseed(seed); pair2 = 2 * ((seed.w2 >> 8) & 31); this.tweakseed(seed); pair3 = 2 * ((seed.w2 >> 8) & 31); this.tweakseed(seed); pair4 = 2 * ((seed.w2 >> 8) & 31); this.tweakseed(seed); thissys.name = this.pairs[pair1]; thissys.name += this.pairs[pair1 + 1]; thissys.name += this.pairs[pair2]; thissys.name += this.pairs[pair2 + 1]; thissys.name += this.pairs[pair3]; thissys.name += this.pairs[pair3 + 1]; if (longnameflag) { thissys.name += this.pairs[pair4]; thissys.name += this.pairs[pair4 + 1]; } thissys.name = this.stripout(thissys.name, "."); } return thissys; } EliteGalaxyGenerator.prototype.tweakseed = function(seed) { var temp = seed.w0 + seed.w1 + seed.w2; seed.w0 = seed.w1; seed.w1 = seed.w2; seed.w2 = this.uint16_limit(temp); } EliteGalaxyGenerator.prototype.stripout = function(value, c) { // code from: https://stackoverflow.com/a/17606289 return value.replace( new RegExp(c.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"), "g"), "" ); } EliteGalaxyGenerator.prototype.nextgalaxy = function(seed) { seed.w0 = this.twist(seed.w0); seed.w1 = this.twist(seed.w1); seed.w2 = this.twist(seed.w2); } EliteGalaxyGenerator.prototype.buildgalaxy = function(galaxynum) { var syscount, galcount; this.seed.w0 = this.base0; this.seed.w1 = this.base1; this.seed.w2 = this.base2; for (galcount = 1; galcount < galaxynum; ++galcount) { this.nextgalaxy(this.seed); } for (syscount = 0; syscount < this.galsize; ++syscount) { this.galaxy[syscount] = this.makesystem(this.seed); } } EliteGalaxyGenerator.prototype.rotatel = function(x) { var temp = x & 128; return this.uint16_limit(2 * (x & 127) + (temp >> 7)); } EliteGalaxyGenerator.prototype.twist = function(x) { return this.uint16_limit( 256 * this.rotatel(x >> 8) + this.rotatel(x & 255) ); } EliteGalaxyGenerator.prototype.gen_rnd_number = function() { var a, x; x = (this.rnd_seed.a * 2) & 0xff; a = x + this.rnd_seed.c; if (this.rnd_seed.a > 127) { a++; } this.rnd_seed.a = a & 0xff; this.rnd_seed.c = x; a = a / 256; x = this.rnd_seed.b; a = (a + x + this.rnd_seed.d) & 0xff; this.rnd_seed.b = a; this.rnd_seed.d = x; return a; } EliteGalaxyGenerator.prototype.goat_soup = function(source, psy) { var result = "", c, i, idx; for (idx = 0; idx < source.length; idx++) { c = source.charCodeAt(idx); if (c < 0x80) { result += source.charAt(idx); } else { if (c <= 0xa4) { var rnd = this.gen_rnd_number(); result += this.goat_soup( this.desc_list[c - 0x81][ (rnd >= 0x33) + (rnd >= 0x66) + (rnd >= 0x99) + (rnd >= 0xcc) ], psy ); } else { switch (c) { case 0xb0: /* planet name */ i = 1; result += psy.name.charAt(0); while (i < psy.name.length) { result += psy.name.charAt(i++).toLowerCase(); } break; case 0xb1: /* ian */ i = 1; result += psy.name.charAt(0); while (i < psy.name.length) { if ( i + 1 < psy.name.length || (psy.name.charAt(i) != "E" && psy.name.charAt(i) != "I") ) { result += psy.name.charAt(i).toLowerCase(); } i++; } result += "ian"; break; case 0xb2: /* random name */ var len = this.gen_rnd_number() & 3; for (i = 0; i <= len; i++) { var x = this.gen_rnd_number() & 0x3e; if (i === 0) { result += this.pairs0[x]; } else { result += this.pairs0[x].toLowerCase(); } result += this.pairs0[x + 1].toLowerCase(); } break; default: result += ""; return result; } } } } return result; } // HELPER FUNCTIONS - START EliteGalaxyGenerator.prototype.uint8_limit = function(value) { return value & 0xff; } EliteGalaxyGenerator.prototype.uint16_limit = function(value) { return value & 0xffff; } // HELPER FUNCTIONS - END EliteGalaxyGenerator.prototype.prisys = function(planetnum, element) { // print Galaxy info var plsy = this.galaxy[planetnum]; var systemString = "System ("; if (this.useMarkov) { systemString += "Markov generated"; } else { systemString += "Elite original"; } systemString += " name): "; element.appendChild(document.createTextNode(systemString + plsy.name)); element.appendChild(document.createElement("br")); element.appendChild( document.createTextNode("Position (" + plsy.x + ", " + plsy.y + ")") ); element.appendChild(document.createElement("br")); element.appendChild( document.createTextNode( "Economy: (" + plsy.economy + ") " + this.econnames[plsy.economy] ) ); element.appendChild(document.createElement("br")); element.appendChild( document.createTextNode( "Government: (" + plsy.govtype + ") " + this.govnames[plsy.govtype] ) ); element.appendChild(document.createElement("br")); element.appendChild( document.createTextNode("Tech Level: " + (plsy.techlev + 1)) ); element.appendChild(document.createElement("br")); element.appendChild( document.createTextNode("Turnover: " + plsy.productivity) ); element.appendChild(document.createElement("br")); element.appendChild(document.createTextNode("Radius: " + plsy.radius)); element.appendChild(document.createElement("br")); element.appendChild( document.createTextNode( "Population: " + (plsy.population >> 3) + " Billion" ) ); element.appendChild(document.createElement("br")); // code from: https://stackoverflow.com/a/5344074 this.rnd_seed = JSON.parse(JSON.stringify(plsy.goatsoupseed)); element.appendChild( document.createTextNode( "Description: " + this.goat_soup("\x8F is \x97.", plsy) ) ); } // HELPER FUNCTIONS - START // code from: https://plainjs.com/javascript/events/binding-and-unbinding-of-event-handlers-12/ function addEvent(el, type, handler) { if (el.attachEvent) { el.attachEvent("on" + type, handler); } else { el.addEventListener(type, handler); } }; function removeEvent(el, type, handler) { if (el.detachEvent) { el.detachEvent("on" + type, handler); } else { el.removeEventListener(type, handler); } }; // HELPER FUNCTIONS - END function planet_change(galaxy_generator) { var galaxy = document.getElementById("galaxy"); var planet = document.getElementById("planet"); var galaxy_info = document.getElementById("galaxy_info"); galaxy_info.innerHTML = ""; galaxy_generator.prisys(planet.value, galaxy_info); }; function galaxy_change(galaxy_generator) { var galaxy = document.getElementById("galaxy"); var markov = document.getElementById("markov"); var planet = document.getElementById("planet"); var info = document.getElementById("info"); var planetnum = planet.value; if (!planetnum) { planetnum = galaxy.value == 1 ? 7 : 0; } var planetFragment = document.createDocumentFragment(); var t0 = performance.now(); galaxy_generator.useMarkov = markov.checked; galaxy_generator.buildgalaxy(galaxy.value); var t1 = performance.now(); info.innerHTML = "Generated in " + ((t1 - t0) | 0) + " ms"; var info2 = document.getElementById("info2"); galaxy_generator.galaxy.forEach(function(element, index) { var opt = document.createElement("option"); opt.innerHTML = index + " - " + element.name; opt.value = index; planetFragment.appendChild(opt); }); planet.innerHTML = ""; planet.appendChild(planetFragment); planet.value = planetnum; planet_change(galaxy_generator); }; window.onload = function() { var galaxy_generator = new EliteGalaxyGenerator(base0, base1, base2); var galaxy = document.getElementById("galaxy"); var markov = document.getElementById("markov"); var planet = document.getElementById("planet"); galaxy_change(galaxy_generator); addEvent(galaxy, "change", function() { galaxy_change(galaxy_generator); }); addEvent(markov, "click", function() { galaxy_change(galaxy_generator); }); addEvent(planet, "change", function() { planet_change(galaxy_generator); }); };

Galaxy generator (based on Elite) - non-ES6