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tools.js
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tools.js
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"use strict";
/*******************
* Tools
* Lots of this code, most of it actually is lovingly borrowed from https://github.com/Zarel/Pokemon-Showdown
*******************/
const fs = require('fs');
const path = require('path');
// shim Object.values
if (!Object.values) {
Object.values = function (object) {
let values = [];
for (let k in object) values.push(object[k]);
return values;
};
}
let dexes = {};
const DATA_TYPES = ['Pokedex', 'FormatsData', 'Learnsets', 'Movedex', 'Statuses', 'TypeChart', 'Scripts', 'Items', 'Abilities', 'Natures', 'Formats', 'Aliases'];
const DATA_FILES = {
'Pokedex': 'pokedex',
'Movedex': 'moves',
'Statuses': 'statuses',
'TypeChart': 'typechart',
'Scripts': 'scripts',
'Items': 'items',
'Abilities': 'abilities',
'Formats': 'rulesets',
'FormatsData': 'formats-data',
'Learnsets': 'learnsets',
'Aliases': 'aliases',
'Natures': 'natures',
};
const BattleNatures = {
adamant: {name:"Adamant", plus:'atk', minus:'spa'},
bashful: {name:"Bashful"},
bold: {name:"Bold", plus:'def', minus:'atk'},
brave: {name:"Brave", plus:'atk', minus:'spe'},
calm: {name:"Calm", plus:'spd', minus:'atk'},
careful: {name:"Careful", plus:'spd', minus:'spa'},
docile: {name:"Docile"},
gentle: {name:"Gentle", plus:'spd', minus:'def'},
hardy: {name:"Hardy"},
hasty: {name:"Hasty", plus:'spe', minus:'def'},
impish: {name:"Impish", plus:'def', minus:'spa'},
jolly: {name:"Jolly", plus:'spe', minus:'spa'},
lax: {name:"Lax", plus:'def', minus:'spd'},
lonely: {name:"Lonely", plus:'atk', minus:'def'},
mild: {name:"Mild", plus:'spa', minus:'def'},
modest: {name:"Modest", plus:'spa', minus:'atk'},
naive: {name:"Naive", plus:'spe', minus:'spd'},
naughty: {name:"Naughty", plus:'atk', minus:'spd'},
quiet: {name:"Quiet", plus:'spa', minus:'spe'},
quirky: {name:"Quirky"},
rash: {name:"Rash", plus:'spa', minus:'spd'},
relaxed: {name:"Relaxed", plus:'def', minus:'spe'},
sassy: {name:"Sassy", plus:'spd', minus:'spe'},
serious: {name:"Serious"},
timid: {name:"Timid", plus:'spe', minus:'atk'},
};
global.toId = exports.toId = function (text) {
return text.toLowerCase().replace(/[^a-z0-9]/g, '');
};
exports.uncacheTree = function (root) {
var uncache = [require.resolve(root)];
do {
var newuncache = [];
for (var i = 0; i < uncache.length; ++i) {
if (require.cache[uncache[i]]) {
newuncache.push.apply(newuncache,
require.cache[uncache[i]].children.map(function (module) {
return module.filename;
})
);
delete require.cache[uncache[i]];
}
}
uncache = newuncache;
} while (uncache.length > 0);
};
class BattleDex {
constructor(mod) {
if (!mod) mod = 'base';
this.formatsLoaded = false;
this.modsLoaded = false;
this.dataLoaded = false;
this.isBase = (mod === 'base');
this.currentMod = mod;
this.parentMod = '';
this.data = null;
this.dexes = dexes;
}
mod(mod) {
if (!dexes['base'].modsLoaded) dexes['base'].includeMods();
if (!mod) mod = 'base';
return dexes[mod].includeData();
}
format(format) {
if (!this.modsLoaded) this.includeMods();
const mod = this.getFormat(format).mod;
// TODO: change default format mod as gen7 becomes stable
if (!mod) return dexes['gen6'].includeData();
return dexes[mod].includeData();
}
modData(dataType, id) {
if (this.isBase) return this.data[dataType][id];
if (this.data[dataType][id] !== dexes[this.parentMod].data[dataType][id]) return this.data[dataType][id];
return (this.data[dataType][id] = this.deepClone(this.data[dataType][id]));
}
effectToString() {
return this.name;
}
/**
* Safely converts the passed variable into a string. Unlike '' + str,
* String(str), or str.toString(), Tools.getString is guaranteed not to
* crash.
*
* The other methods of casting to string can crash if str.toString crashes
* or isn't a function. Instead, Tools.getString simply returns '' if the
* passed variable isn't a string or a number.
*
* @param {mixed} str
* @return {string}
*/
getString(str) {
if (typeof str === 'string' || typeof str === 'number') return '' + str;
return '';
}
/**
* Sanitizes a username or Pokemon nickname
*
* Returns the passed name, sanitized for safe use as a name in the PS
* protocol.
*
* Such a string must uphold these guarantees:
* - must not contain any ASCII whitespace character other than a space
* - must not start or end with a space character
* - must not contain any of: | , [ ]
* - must not be the empty string
* - must not contain Unicode RTL control characters
*
* If no such string can be found, returns the empty string. Calling
* functions are expected to check for that condition and deal with it
* accordingly.
*
* getName also enforces that there are not multiple consecutive space
* characters in the name, although this is not strictly necessary for
* safety.
*
* @param {mixed} name
* @return {string}
*/
getName(name) {
if (typeof name !== 'string' && typeof name !== 'number') return '';
name = ('' + name).replace(/[\|\s\[\]\,\u202e]+/g, ' ').trim();
if (name.length > 18) name = name.substr(0, 18).trim();
// remove zalgo
name = name.replace(/[\u0300-\u036f\u0483-\u0489\u0610-\u0615\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06ED\u0E31\u0E34-\u0E3A\u0E47-\u0E4E]{3,}/g, '');
name = name.replace(/[\u239b-\u23b9]/g, '');
return name;
}
/**
* Converts anything to an ID. An ID must have only lowercase alphanumeric
* characters.
* If a string is passed, it will be converted to lowercase and
* non-alphanumeric characters will be stripped.
* If an object with an ID is passed, its ID will be returned.
* Otherwise, an empty string will be returned.
*
* Tools.getId is generally assigned to the global toId, because of how
* commonly it's used.
*
* @param {mixed} text
* @return {string}
*/
getId(text) {
if (text && text.id) {
text = text.id;
} else if (text && text.userid) {
text = text.userid;
}
if (typeof text !== 'string' && typeof text !== 'number') return '';
return ('' + text).toLowerCase().replace(/[^a-z0-9]+/g, '');
}
/**
* returns false if the target is immune; true otherwise
*
* also checks immunity to some statuses
*/
getImmunity(source, target) {
let sourceType = source.type || source;
let targetTyping = target.getTypes && target.getTypes() || target.types || target;
if (Array.isArray(targetTyping)) {
for (let i = 0; i < targetTyping.length; i++) {
if (!this.getImmunity(sourceType, targetTyping[i])) return false;
}
return true;
}
let typeData = this.data.TypeChart[targetTyping];
if (typeData && typeData.damageTaken[sourceType] === 3) return false;
return true;
}
getEffectiveness(source, target) {
let sourceType = source.type || source;
let totalTypeMod = 0;
let targetTyping = target.getTypes && target.getTypes() || target.types || target;
if (Array.isArray(targetTyping)) {
for (let i = 0; i < targetTyping.length; i++) {
totalTypeMod += this.getEffectiveness(sourceType, targetTyping[i]);
}
return totalTypeMod;
}
let typeData = this.data.TypeChart[targetTyping];
if (!typeData) return 0;
switch (typeData.damageTaken[sourceType]) {
case 1: return 1; // super-effective
case 2: return -1; // resist
// in case of weird situations like Gravity, immunity is
// handled elsewhere
default: return 0;
}
}
/**
* Convert a pokemon name, ID, or template into its species name, preserving
* form name (which is the main way Tools.getSpecies(id) differs from
* Tools.getTemplate(id).species).
*
* @param {string|DexTemplate} species
* @return {string}
*/
getSpecies(species) {
let id = toId(species || '');
let template = this.getTemplate(id);
if (template.otherForms && template.otherForms.indexOf(id) >= 0) {
let form = id.slice(template.species.length);
species = template.species + '-' + form[0].toUpperCase() + form.slice(1);
} else {
species = template.species;
}
return species;
}
getTemplate(template) {
if (!template || typeof template === 'string') {
let name = (template || '').trim();
let id = toId(name);
if (id === 'nidoran' && name.slice(-1) === '♀') {
id = 'nidoranf';
} else if (id === 'nidoran' && name.slice(-1) === '♂') {
id = 'nidoranm';
}
template = this.data.TemplateCache.get(id);
if (template) return template;
if (this.data.Aliases.hasOwnProperty(id)) {
template = this.getTemplate(this.data.Aliases[id]);
if (template) {
this.data.TemplateCache.set(id, template);
}
return template;
}
if (!this.data.Pokedex.hasOwnProperty(id)) {
let aliasTo = '';
if (id.startsWith('mega') && this.data.Pokedex[id.slice(4) + 'mega']) {
aliasTo = id.slice(4) + 'mega';
} else if (id.startsWith('m') && this.data.Pokedex[id.slice(1) + 'mega']) {
aliasTo = id.slice(1) + 'mega';
} else if (id.startsWith('primal') && this.data.Pokedex[id.slice(6) + 'primal']) {
aliasTo = id.slice(6) + 'primal';
} else if (id.startsWith('p') && this.data.Pokedex[id.slice(1) + 'primal']) {
aliasTo = id.slice(1) + 'primal';
}
if (aliasTo) {
template = this.getTemplate(aliasTo);
if (template.exists) {
this.data.TemplateCache.set(id, template);
return template;
}
}
}
if (id && this.data.Pokedex.hasOwnProperty(id)) {
template = this.deepClone(this.data.Pokedex[id]);
template.exists = true;
} else {
template = {};
}
name = template.species || template.name || name;
if (this.data.FormatsData[id]) {
Object.assign(template, this.data.FormatsData[id]);
}
if (this.data.Learnsets[id]) {
Object.assign(template, this.data.Learnsets[id]);
}
if (!template.id) template.id = id;
if (!template.name) template.name = name;
if (!template.speciesid) template.speciesid = id;
if (!template.species) template.species = name;
if (!template.baseSpecies) template.baseSpecies = name;
if (!template.forme) template.forme = '';
if (!template.formeLetter) template.formeLetter = '';
if (!template.spriteid) template.spriteid = toId(template.baseSpecies) + (template.baseSpecies !== name ? '-' + toId(template.forme) : '');
if (!template.prevo) template.prevo = '';
if (!template.evos) template.evos = [];
if (!template.nfe) template.nfe = !!template.evos.length;
if (!template.eggGroups) template.eggGroups = [];
if (!template.gender) template.gender = '';
if (!template.genderRatio && template.gender === 'M') template.genderRatio = {M:1, F:0};
if (!template.genderRatio && template.gender === 'F') template.genderRatio = {M:0, F:1};
if (!template.genderRatio && template.gender === 'N') template.genderRatio = {M:0, F:0};
if (!template.genderRatio) template.genderRatio = {M:0.5, F:0.5};
if (!template.tier && template.baseSpecies !== template.species) template.tier = this.data.FormatsData[toId(template.baseSpecies)].tier;
if (!template.requiredItems && template.requiredItem) template.requiredItems = [template.requiredItem];
if (!template.tier) template.tier = 'Illegal';
if (!template.gen) {
if (template.num >= 722 || template.forme === 'Alola') {
template.gen = 7;
} else if (template.forme && template.forme in {'Mega':1, 'Mega-X':1, 'Mega-Y':1}) {
template.gen = 6;
template.isMega = true;
template.battleOnly = true;
} else if (template.forme === 'Primal') {
template.gen = 6;
template.isPrimal = true;
template.battleOnly = true;
} else if (template.num >= 650) {
template.gen = 6;
} else if (template.num >= 494) {
template.gen = 5;
} else if (template.num >= 387) {
template.gen = 4;
} else if (template.num >= 252) {
template.gen = 3;
} else if (template.num >= 152) {
template.gen = 2;
} else if (template.num >= 1) {
template.gen = 1;
} else {
template.gen = 0;
}
}
if (template.exists) this.data.TemplateCache.set(id, template);
}
return template;
}
getLearnset(template) {
const id = toId(template);
if (!this.data.Learnsets[id]) return null;
return this.data.Learnsets[id].learnset;
}
getMove(move) {
if (!move || typeof move === 'string') {
let name = (move || '').trim();
let id = toId(name);
move = this.data.MoveCache.get(id);
if (move) return move;
if (this.data.Aliases.hasOwnProperty(id)) {
move = this.getMove(this.data.Aliases[id]);
if (move.exists) {
this.data.MoveCache.set(id, move);
}
return move;
}
if (id.substr(0, 11) === 'hiddenpower') {
let matches = /([a-z]*)([0-9]*)/.exec(id);
id = matches[1];
}
if (id && this.data.Movedex.hasOwnProperty(id)) {
move = this.deepClone(this.data.Movedex[id]);
move.exists = true;
} else {
move = {};
}
if (!move.id) move.id = id;
if (!move.name) move.name = name;
if (!move.fullname) move.fullname = 'move: ' + move.name;
move.toString = this.effectToString;
if (!move.critRatio) move.critRatio = 1;
if (!move.baseType) move.baseType = move.type;
if (!move.effectType) move.effectType = 'Move';
if (!move.secondaries && move.secondary) move.secondaries = [move.secondary];
if (!move.gen) {
if (move.num >= 622) {
move.gen = 7;
} else if (move.num >= 560) {
move.gen = 6;
} else if (move.num >= 468) {
move.gen = 5;
} else if (move.num >= 355) {
move.gen = 4;
} else if (move.num >= 252) {
move.gen = 3;
} else if (move.num >= 166) {
move.gen = 2;
} else if (move.num >= 1) {
move.gen = 1;
} else {
move.gen = 0;
}
}
if (!move.priority) move.priority = 0;
if (move.ignoreImmunity === undefined) move.ignoreImmunity = (move.category === 'Status');
if (!move.flags) move.flags = {};
if (move.exists) this.data.MoveCache.set(id, move);
}
return move;
}
/**
* Ensure we're working on a copy of a move (and make a copy if we aren't)
*
* Remember: "ensure" - by default, it won't make a copy of a copy:
* moveCopy === Tools.getMoveCopy(moveCopy)
*
* If you really want to, use:
* moveCopyCopy = Tools.getMoveCopy(moveCopy.id)
*
* @param move Move ID, move object, or movecopy object describing move to copy
* @return movecopy object
*/
getMoveCopy(move) {
if (move && move.isCopy) return move;
move = this.getMove(move);
let moveCopy = this.deepClone(move);
moveCopy.isCopy = true;
return moveCopy;
}
getEffect(effect) {
if (!effect || typeof effect === 'string') {
let name = (effect || '').trim();
let id = toId(name);
effect = {};
if (id && this.data.Statuses[id]) {
effect = this.data.Statuses[id];
effect.name = effect.name || this.data.Statuses[id].name;
} else if (id && this.data.Movedex[id] && this.data.Movedex[id].effect) {
effect = this.data.Movedex[id].effect;
effect.name = effect.name || this.data.Movedex[id].name;
} else if (id && this.data.Abilities[id] && this.data.Abilities[id].effect) {
effect = this.data.Abilities[id].effect;
effect.name = effect.name || this.data.Abilities[id].name;
} else if (id && this.data.Items[id] && this.data.Items[id].effect) {
effect = this.data.Items[id].effect;
effect.name = effect.name || this.data.Items[id].name;
} else if (id && this.data.Formats[id]) {
effect = this.data.Formats[id];
effect.name = effect.name || this.data.Formats[id].name;
if (!effect.mod) effect.mod = 'gen6';
if (!effect.effectType) effect.effectType = 'Format';
} else if (id === 'recoil') {
effect = {
effectType: 'Recoil',
};
} else if (id === 'drain') {
effect = {
effectType: 'Drain',
};
}
if (!effect.id) effect.id = id;
if (!effect.name) effect.name = name;
if (!effect.fullname) effect.fullname = effect.name;
effect.toString = this.effectToString;
if (!effect.category) effect.category = 'Effect';
if (!effect.effectType) effect.effectType = 'Effect';
}
return effect;
}
getFormat(effect) {
if (!effect || typeof effect === 'string') {
let name = (effect || '').trim();
let id = toId(name);
if (this.data.Aliases[id]) {
name = this.data.Aliases[id];
id = toId(name);
}
effect = {};
if (this.data.Formats.hasOwnProperty(id)) {
effect = this.data.Formats[id];
if (effect.cached) return effect;
effect.cached = true;
effect.exists = true;
effect.name = effect.name || this.data.Formats[id].name;
if (!effect.mod) effect.mod = 'gen6';
if (!effect.effectType) effect.effectType = 'Format';
}
if (!effect.id) effect.id = id;
if (!effect.name) effect.name = name;
if (!effect.fullname) effect.fullname = effect.name;
effect.toString = this.effectToString;
if (!effect.category) effect.category = 'Effect';
if (!effect.effectType) effect.effectType = 'Effect';
}
return effect;
}
getItem(item) {
if (!item || typeof item === 'string') {
let name = (item || '').trim();
let id = toId(name);
item = this.data.ItemCache.get(id);
if (item) return item;
if (this.data.Aliases.hasOwnProperty(id)) {
item = this.getItem(this.data.Aliases[id]);
if (item.exists) {
this.data.ItemCache.set(id, item);
}
return item;
}
if (id && !this.data.Items[id] && this.data.Items[id + 'berry']) {
item = this.getItem(id + 'berry');
this.data.ItemCache.set(id, item);
return item;
}
if (id && this.data.Items.hasOwnProperty(id)) {
item = this.data.Items[id];
item.exists = true;
} else {
item = {};
}
if (!item.id) item.id = id;
if (!item.name) item.name = name;
if (!item.fullname) item.fullname = 'item: ' + item.name;
item.toString = this.effectToString;
if (!item.category) item.category = 'Effect';
if (!item.effectType) item.effectType = 'Item';
if (item.isBerry) item.fling = {basePower: 10};
if (item.id.endsWith('plate')) item.fling = {basePower: 90};
if (item.onDrive) item.fling = {basePower: 70};
if (item.megaStone) item.fling = {basePower: 80};
if (item.onMemory) item.fling = {basePower: 50};
if (!item.gen) {
if (item.num >= 689) {
item.gen = 7;
} else if (item.num >= 577) {
item.gen = 6;
} else if (item.num >= 537) {
item.gen = 5;
} else if (item.num >= 377) {
item.gen = 4;
} else {
item.gen = 3;
}
// Due to difference in storing items, gen 2 items must be specified manually
}
if (item.exists) this.data.ItemCache.set(id, item);
}
return item;
}
getAbility(ability) {
if (!ability || typeof ability === 'string') {
let name = (ability || '').trim();
let id = toId(name);
ability = this.data.AbilityCache.get(id);
if (ability) return ability;
if (id && this.data.Abilities.hasOwnProperty(id)) {
ability = this.data.Abilities[id];
if (ability.cached) return ability;
ability.cached = true;
ability.exists = true;
} else {
ability = {};
}
if (!ability.id) ability.id = id;
if (!ability.name) ability.name = name;
if (!ability.fullname) ability.fullname = 'ability: ' + ability.name;
ability.toString = this.effectToString;
if (!ability.category) ability.category = 'Effect';
if (!ability.effectType) ability.effectType = 'Ability';
if (!ability.gen) {
if (ability.num >= 192) {
ability.gen = 7;
} else if (ability.num >= 165) {
ability.gen = 6;
} else if (ability.num >= 124) {
ability.gen = 5;
} else if (ability.num >= 77) {
ability.gen = 4;
} else if (ability.num >= 1) {
ability.gen = 3;
} else {
ability.gen = 0;
}
}
if (ability.exists) this.data.AbilityCache.set(id, ability);
}
return ability;
}
getType(type) {
if (!type || typeof type === 'string') {
let id = toId(type);
id = id.charAt(0).toUpperCase() + id.substr(1);
type = {};
if (id && id !== 'constructor' && this.data.TypeChart[id]) {
type = this.data.TypeChart[id];
if (type.cached) return type;
type.cached = true;
type.exists = true;
type.isType = true;
type.effectType = 'Type';
}
if (!type.id) type.id = id;
if (!type.effectType) {
// man, this is really meta
type.effectType = 'EffectType';
}
}
return type;
}
getNature(nature) {
if (!nature || typeof nature === 'string') {
let name = (nature || '').trim();
let id = toId(name);
nature = {};
if (id && id !== 'constructor' && this.data.Natures[id]) {
nature = this.data.Natures[id];
if (nature.cached) return nature;
nature.cached = true;
nature.exists = true;
}
if (!nature.id) nature.id = id;
if (!nature.name) nature.name = name;
nature.toString = this.effectToString;
if (!nature.effectType) nature.effectType = 'Nature';
}
return nature;
}
spreadModify(stats, set) {
const modStats = {atk:10, def:10, spa:10, spd:10, spe:10};
for (let statName in modStats) {
let stat = stats[statName];
modStats[statName] = Math.floor(Math.floor(2 * stat + set.ivs[statName] + Math.floor(set.evs[statName] / 4)) * set.level / 100 + 5);
}
if ('hp' in stats) {
let stat = stats['hp'];
modStats['hp'] = Math.floor(Math.floor(2 * stat + set.ivs['hp'] + Math.floor(set.evs['hp'] / 4) + 100) * set.level / 100 + 10);
}
return this.natureModify(modStats, set.nature);
}
natureModify(stats, nature) {
nature = this.getNature(nature);
if (nature.plus) stats[nature.plus] = Math.floor(stats[nature.plus] * 1.1);
if (nature.minus) stats[nature.minus] = Math.floor(stats[nature.minus] * 0.9);
return stats;
}
getBanlistTable(format, subformat, depth) {
let banlistTable;
if (!depth) depth = 0;
if (depth > 8) return; // avoid infinite recursion
if (format.banlistTable && !subformat) {
banlistTable = format.banlistTable;
} else {
if (!format.banlistTable) format.banlistTable = {};
if (!format.setBanTable) format.setBanTable = [];
if (!format.teamBanTable) format.teamBanTable = [];
if (!format.teamLimitTable) format.teamLimitTable = [];
banlistTable = format.banlistTable;
if (!subformat) subformat = format;
if (subformat.unbanlist) {
for (let i = 0; i < subformat.unbanlist.length; i++) {
banlistTable[subformat.unbanlist[i]] = false;
banlistTable[toId(subformat.unbanlist[i])] = false;
}
}
if (subformat.banlist) {
for (let i = 0; i < subformat.banlist.length; i++) {
// don't revalidate what we already validate
if (banlistTable[toId(subformat.banlist[i])] !== undefined) continue;
banlistTable[subformat.banlist[i]] = subformat.name || true;
banlistTable[toId(subformat.banlist[i])] = subformat.name || true;
let complexList;
if (subformat.banlist[i].includes('>')) {
complexList = subformat.banlist[i].split('>');
let limit = parseInt(complexList[1]);
let banlist = complexList[0].trim();
complexList = banlist.split('+').map(toId);
complexList.unshift(banlist, subformat.name, limit);
format.teamLimitTable.push(complexList);
} else if (subformat.banlist[i].includes('+')) {
if (subformat.banlist[i].includes('++')) {
complexList = subformat.banlist[i].split('++');
let banlist = complexList.join('+');
for (let j = 0; j < complexList.length; j++) {
complexList[j] = toId(complexList[j]);
}
complexList.unshift(banlist);
format.teamBanTable.push(complexList);
} else {
complexList = subformat.banlist[i].split('+');
for (let j = 0; j < complexList.length; j++) {
complexList[j] = toId(complexList[j]);
}
complexList.unshift(subformat.banlist[i]);
format.setBanTable.push(complexList);
}
}
}
}
if (subformat.ruleset) {
for (let i = 0; i < subformat.ruleset.length; i++) {
// don't revalidate what we already validate
if (banlistTable['Rule:' + toId(subformat.ruleset[i])] !== undefined) continue;
banlistTable['Rule:' + toId(subformat.ruleset[i])] = subformat.ruleset[i];
if (!format.ruleset.includes(subformat.ruleset[i])) format.ruleset.push(subformat.ruleset[i]);
let subsubformat = this.getFormat(subformat.ruleset[i]);
if (subsubformat.ruleset || subsubformat.banlist) {
this.getBanlistTable(format, subsubformat, depth + 1);
}
}
}
}
return banlistTable;
}
shuffle(arr) {
// In-place shuffle by Fisher-Yates algorithm
for (let i = arr.length - 1; i > 0; i--) {
let j = Math.floor(Math.random() * (i + 1));
let temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
return arr;
}
levenshtein(s, t, l) { // s = string 1, t = string 2, l = limit
// Original levenshtein distance function by James Westgate, turned out to be the fastest
let d = []; // 2d matrix
// Step 1
let n = s.length;
let m = t.length;
if (n === 0) return m;
if (m === 0) return n;
if (l && Math.abs(m - n) > l) return Math.abs(m - n);
// Create an array of arrays in javascript (a descending loop is quicker)
for (let i = n; i >= 0; i--) d[i] = [];
// Step 2
for (let i = n; i >= 0; i--) d[i][0] = i;
for (let j = m; j >= 0; j--) d[0][j] = j;
// Step 3
for (let i = 1; i <= n; i++) {
let s_i = s.charAt(i - 1);
// Step 4
for (let j = 1; j <= m; j++) {
// Check the jagged ld total so far
if (i === j && d[i][j] > 4) return n;
let t_j = t.charAt(j - 1);
let cost = (s_i === t_j) ? 0 : 1; // Step 5
// Calculate the minimum
let mi = d[i - 1][j] + 1;
let b = d[i][j - 1] + 1;
let c = d[i - 1][j - 1] + cost;
if (b < mi) mi = b;
if (c < mi) mi = c;
d[i][j] = mi; // Step 6
}
}
// Step 7
return d[n][m];
}
clampIntRange(num, min, max) {
if (typeof num !== 'number') num = 0;
num = Math.floor(num);
if (num < min) num = min;
if (max !== undefined && num > max) num = max;
return num;
}
dataSearch(target, searchIn, isInexact) {
if (!target) {
return false;
}
searchIn = searchIn || ['Pokedex', 'Movedex', 'Abilities', 'Items', 'Natures'];
let searchFunctions = {Pokedex: 'getTemplate', Movedex: 'getMove', Abilities: 'getAbility', Items: 'getItem', Natures: 'getNature'};
let searchTypes = {Pokedex: 'pokemon', Movedex: 'move', Abilities: 'ability', Items: 'item', Natures: 'nature'};
let searchResults = [];
for (let i = 0; i < searchIn.length; i++) {
let res = this[searchFunctions[searchIn[i]]](target);
if (res.exists) {
searchResults.push({
exactMatch: !isInexact,
searchType: searchTypes[searchIn[i]],
name: res.name,
});
}
}
if (searchResults.length) {
return searchResults;
}
let cmpTarget = target.toLowerCase();
let maxLd = 3;
if (cmpTarget.length <= 1) {
return false;
} else if (cmpTarget.length <= 4) {
maxLd = 1;
} else if (cmpTarget.length <= 6) {
maxLd = 2;
}
for (let i = 0; i < searchIn.length; i++) {
let searchObj = this.data[searchIn[i]];
if (!searchObj) {
continue;
}
for (let j in searchObj) {
let word = searchObj[j];
if (typeof word === "object") {
word = word.name || word.species;
}
if (!word) {
continue;
}
let ld = this.levenshtein(cmpTarget, word.toLowerCase(), maxLd);
if (ld <= maxLd) {
searchResults.push({word: word, ld: ld});
}
}
}
if (searchResults.length) {
let newTarget = "";
let newLD = 10;
for (let i = 0, l = searchResults.length; i < l; i++) {
if (searchResults[i].ld < newLD) {
newTarget = searchResults[i];
newLD = searchResults[i].ld;
}
}
// To make sure we aren't in an infinite loop...
if (cmpTarget !== newTarget.word) {
return this.dataSearch(newTarget.word, null, true);
}
}
return false;
}
packTeam(team) {
if (!team) return '';
let buf = '';
for (let i = 0; i < team.length; i++) {
let set = team[i];
if (buf) buf += ']';
// name
buf += (set.name || set.species);
// species
let id = toId(set.species || set.name);
buf += '|' + (toId(set.name || set.species) === id ? '' : id);
// item
buf += '|' + toId(set.item);
// ability
let template = dexes['base'].getTemplate(set.species || set.name);
let abilities = template.abilities;
id = toId(set.ability);
if (abilities) {
if (id === toId(abilities['0'])) {
buf += '|';
} else if (id === toId(abilities['1'])) {
buf += '|1';
} else if (id === toId(abilities['H'])) {
buf += '|H';
} else {
buf += '|' + id;
}
} else {
buf += '|' + id;
}
// moves
buf += '|' + set.moves.map(toId).join(',');
// nature
buf += '|' + set.nature;
// evs
let evs = '|';
if (set.evs) {
evs = '|' + (set.evs['hp'] || '') + ',' + (set.evs['atk'] || '') + ',' + (set.evs['def'] || '') + ',' + (set.evs['spa'] || '') + ',' + (set.evs['spd'] || '') + ',' + (set.evs['spe'] || '');
}
if (evs === '|,,,,,') {
buf += '|';
} else {
buf += evs;
}
// gender
if (set.gender && set.gender !== template.gender) {
buf += '|' + set.gender;
} else {
buf += '|';
}
// ivs
let ivs = '|';
if (set.ivs) {
ivs = '|' + (set.ivs['hp'] === 31 || set.ivs['hp'] === undefined ? '' : set.ivs['hp']) + ',' + (set.ivs['atk'] === 31 || set.ivs['atk'] === undefined ? '' : set.ivs['atk']) + ',' + (set.ivs['def'] === 31 || set.ivs['def'] === undefined ? '' : set.ivs['def']) + ',' + (set.ivs['spa'] === 31 || set.ivs['spa'] === undefined ? '' : set.ivs['spa']) + ',' + (set.ivs['spd'] === 31 || set.ivs['spd'] === undefined ? '' : set.ivs['spd']) + ',' + (set.ivs['spe'] === 31 || set.ivs['spe'] === undefined ? '' : set.ivs['spe']);
}
if (ivs === '|,,,,,') {
buf += '|';
} else {
buf += ivs;
}
// shiny
if (set.shiny) {
buf += '|S';
} else {
buf += '|';
}
// level
if (set.level && set.level !== 100) {
buf += '|' + set.level;
} else {
buf += '|';
}
// happiness
if (set.happiness !== undefined && set.happiness !== 255) {
buf += '|' + set.happiness;
} else {
buf += '|';
}
}
return buf;
}
fastUnpackTeam(buf) {
if (!buf) return null;
let team = [];
let i = 0, j = 0;
// limit to 24
for (let count = 0; count < 24; count++) {
let set = {};
team.push(set);
// name
j = buf.indexOf('|', i);
if (j < 0) return;
set.name = buf.substring(i, j);
i = j + 1;
// species
j = buf.indexOf('|', i);
if (j < 0) return;
set.species = buf.substring(i, j) || set.name;
i = j + 1;
// item
j = buf.indexOf('|', i);
if (j < 0) return;
set.item = buf.substring(i, j);
i = j + 1;