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index.ts
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index.ts
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/* eslint-disable @typescript-eslint/no-this-alias */
import * as T from '@pkmn/dex-types';
import * as AbilitiesJSON from './data/abilities.json';
import * as AliasesJSON from './data/aliases.json';
import * as ConditionsJSON from './data/conditions.json';
import * as FormatsDataJSON from './data/formats-data.json';
import * as ItemsJSON from './data/items.json';
import * as MovesJSON from './data/moves.json';
import * as NaturesJSON from './data/natures.json';
import * as SpeciesJSON from './data/species.json';
import * as TypesJSON from './data/types.json';
export function toID(text: any): T.ID {
if (text?.id) text = text.id;
if (typeof text !== 'string' && typeof text !== 'number') return '';
return ('' + text).toLowerCase().replace(/[^a-z0-9]+/g, '') as T.ID;
}
function getString(str: any): string {
return (typeof str === 'string' || typeof str === 'number') ? '' + str : '';
}
// #region Data
export interface FormatData {
tier?: string;
doublesTier?: string;
isNonstandard?: T.Nonstandard | null;
inherit?: boolean;
}
interface AnyObject { [k: string]: any }
export class BasicEffect<NameT extends string = string> implements T.BasicEffect<NameT> {
id: T.ID;
name: NameT;
fullname: string;
effectType: T.EffectType;
kind: T.DataKind;
exists: boolean;
num: number;
gen: T.GenerationNum;
shortDesc: string;
desc: string;
isNonstandard: T.Nonstandard | null;
duration?: number;
constructor(data: AnyObject) {
this.exists = true;
Object.assign(this, data);
this.name = getString(data.name).trim() as NameT;
this.id = data.realMove ? toID(data.realMove) : toID(this.name); // Hidden Power hack
this.fullname = getString(data.fullname) || this.name;
this.effectType = getString(data.effectType) as T.EffectType || 'Condition';
this.kind = 'Condition';
this.exists = !!(this.exists && this.id);
this.num = data.num || 0;
this.gen = data.gen || 0;
this.shortDesc = data.shortDesc || '';
this.desc = data.desc || this.shortDesc;
this.isNonstandard = data.isNonstandard || null;
this.duration = data.duration;
}
toString() {
return this.name;
}
}
export class Condition extends BasicEffect implements T.Condition {
readonly effectType: 'Condition' | 'Weather' | 'Status' | 'Terastal';
readonly kind: 'Condition';
constructor(data: AnyObject) {
super(data);
data = this;
this.effectType =
(['Weather', 'Status'].includes(data.effectType) ? data.effectType : 'Condition');
this.kind = 'Condition';
}
}
const EMPTY_CONDITION: Condition = new Condition({name: '', exists: false});
class DexConditions implements T.DexTable<Condition> {
readonly dex: ModdedDex;
readonly cache = Object.create(null) as { [id: string]: Condition };
constructor(dex: ModdedDex) {
this.dex = dex;
}
get(name: string): Condition {
// This treatment of 'item:id' and 'ability:id' is kind of repugnant but regrettably exists
// for loose compatibility with Pokémon Showdown's Dex API. 'move:id' also needs to be handled
// for the client to work correctly.
if (name.startsWith('item:')) {
const item = this.dex.items.get(name.slice(5));
return item as any as Condition;
} else if (name.startsWith('ability:')) {
const ability = this.dex.abilities.get(name.slice(8));
return ability as any as Condition;
} else if (name.startsWith('move:')) {
const move = this.dex.moves.get(name.slice(5));
return move as any as Condition;
}
return this.getByID(toID(name));
}
getByID(id: T.ID): Condition {
if (!id) return EMPTY_CONDITION;
let condition = this.cache[id];
if (condition) return condition;
let found: T.AbilityData | T.ItemData | T.MoveData;
if (this.dex.data.Conditions.hasOwnProperty(id)) {
condition = new Condition({kind: 'Condition', ...this.dex.data.Conditions[id]});
} else if (
(this.dex.data.Moves.hasOwnProperty(id) &&
(found = this.dex.data.Moves[id]).condition) ||
(this.dex.data.Abilities.hasOwnProperty(id) &&
(found = this.dex.data.Abilities[id]).condition) ||
(this.dex.data.Items.hasOwnProperty(id) &&
(found = this.dex.data.Items[id]).condition)) {
condition = new Condition({name: found.name || id, ...found.condition});
} else if (id === 'recoil') {
condition = new Condition({name: 'Recoil', effectType: 'Recoil'});
} else if (id === 'drain') {
condition = new Condition({name: 'Drain', effectType: 'Drain'});
} else {
condition = new Condition({name: id, exists: false});
}
this.cache[id] = condition;
return condition;
}
}
export class Ability extends BasicEffect<T.AbilityName> implements T.Ability {
readonly effectType: 'Ability';
readonly kind: 'Ability';
readonly isBreakable?: boolean;
readonly suppressWeather?: boolean;
readonly condition?: Partial<Condition>;
constructor(data: AnyObject) {
super(data);
data = this;
this.fullname = `ability: ${this.name}`;
this.effectType = 'Ability';
this.kind = 'Ability';
if (!this.gen) {
if (this.num >= 268) {
this.gen = 9;
} else if (this.num >= 234) {
this.gen = 8;
} else if (this.num >= 192) {
this.gen = 7;
} else if (this.num >= 165) {
this.gen = 6;
} else if (this.num >= 124) {
this.gen = 5;
} else if (this.num >= 77) {
this.gen = 4;
} else if (this.num >= 1) {
this.gen = 3;
}
}
}
}
class DexAbilities implements T.DexTable<Ability> {
readonly dex: ModdedDex;
readonly caches = {
get: Object.create(null) as { [id: string]: Ability },
all: undefined as ReadonlyArray<Ability> | undefined,
};
constructor(dex: ModdedDex) {
this.dex = dex;
}
get(name: string): Ability {
return this.getByID(toID(name));
}
getByID(id: T.ID): Ability {
const alias = this.dex.data.Aliases[id];
if (alias) id = toID(alias);
let ability = this.caches.get[id];
if (ability) return ability;
const data = this.dex.data.Abilities[id];
if (id && data) {
ability = new Ability(data);
if (ability.gen > this.dex.gen) (ability as any).isNonstandard = 'Future';
if (this.dex.gen <= 2 && ability.id === 'noability') (ability as any).isNonstandard = null;
} else {
ability = new Ability({id, name: id, exists: false});
}
if (ability.exists) this.caches.get[id] = ability;
return ability;
}
all(): readonly Ability[] {
if (this.caches.all) return this.caches.all;
const abilities = [];
for (const id in this.dex.data.Abilities) {
abilities.push(this.getByID(id as T.ID));
}
return (this.caches.all = abilities);
}
}
export class Item extends BasicEffect<T.ItemName> implements T.Item {
readonly effectType: 'Item';
readonly kind: 'Item';
readonly forcedForme?: T.SpeciesName;
readonly megaStone?: T.SpeciesName;
readonly megaEvolves?: T.SpeciesName;
readonly onDrive?: T.TypeName;
readonly onMemory?: T.TypeName;
readonly onPlate?: T.TypeName;
readonly zMove?: T.MoveName | true;
readonly zMoveType?: T.TypeName;
readonly zMoveFrom?: T.MoveName;
readonly itemUser?: T.SpeciesName[];
readonly fling?: T.ItemData['fling'];
readonly condition?: Partial<Condition>;
readonly ignoreKlutz?: boolean;
readonly isBerry?: boolean;
readonly isChoice?: boolean;
readonly isGem?: boolean;
readonly isPokeball?: boolean;
readonly naturalGift?: { basePower: number; type: T.TypeName };
readonly boosts?: Partial<T.BoostsTable> | false;
constructor(data: AnyObject) {
super(data);
data = this;
this.fullname = `item: ${this.name}`;
this.effectType = 'Item';
this.kind = 'Item';
if (!this.gen) {
if (this.num >= 1124) {
this.gen = 9;
} else if (this.num >= 927) {
this.gen = 8;
} else if (this.num >= 689) {
this.gen = 7;
} else if (this.num >= 577) {
this.gen = 6;
} else if (this.num >= 537) {
this.gen = 5;
} else if (this.num >= 377) {
this.gen = 4;
} else {
this.gen = 3;
}
// Due to difference in gen 2 item numbering, gen 2 items must be
// specified manually
}
if (this.isBerry) this.fling = {basePower: 10};
if (this.id.endsWith('plate')) this.fling = {basePower: 90};
if (this.onDrive) this.fling = {basePower: 70};
if (this.megaStone) this.fling = {basePower: 80};
if (this.onMemory) this.fling = {basePower: 50};
}
}
class DexItems implements T.DexTable<Item> {
readonly dex: ModdedDex;
readonly caches = {
get: Object.create(null) as { [id: string]: Item },
all: undefined as ReadonlyArray<Item> | undefined,
};
constructor(dex: ModdedDex) {
this.dex = dex;
}
get(name?: string): Item {
return this.getByID(toID(name));
}
getByID(id: T.ID): Item {
const alias = this.dex.data.Aliases[id];
if (alias) id = toID(alias);
let item = this.caches.get[id];
if (item) return item;
if (id && !this.dex.data.Items[id] && this.dex.data.Items[id + 'berry']) {
item = this.getByID(id + 'berry' as T.ID);
return (this.caches.get[id] = item);
}
const data = this.dex.data.Items[id];
if (id && data) {
item = new Item(data);
if (item.gen > this.dex.gen) (item as any).isNonstandard = 'Future';
} else {
item = new Item({name: id, exists: false});
}
if (item.exists) this.caches.get[id] = item;
return item;
}
all(): readonly Item[] {
if (this.caches.all) return this.caches.all;
const items = [];
for (const id in this.dex.data.Items) {
items.push(this.getByID(id as T.ID));
}
return (this.caches.all = items);
}
}
export class Move extends BasicEffect<T.MoveName> implements T.Move {
readonly effectType: 'Move';
readonly kind: 'Move';
readonly boosts?: Partial<T.BoostsTable>;
readonly status?: T.StatusName;
readonly volatileStatus?: T.ID;
readonly slotCondition?: T.ID;
readonly sideCondition?: T.ID;
readonly terrain?: T.ID;
readonly pseudoWeather?: T.ID;
readonly weather?: T.ID;
readonly basePower!: number;
readonly type!: T.TypeName;
readonly accuracy!: true | number;
readonly pp!: number;
readonly target!: T.MoveTarget;
readonly priority!: number;
readonly flags: T.Move['flags'];
readonly category!: T.MoveCategory;
readonly condition?: Partial<T.Condition>;
readonly damage?: number | 'level' | false | null;
readonly noPPBoosts?: boolean;
readonly isZ: boolean | T.ID;
readonly zMove?: {
basePower?: number;
effect?: T.ID;
boost?: Partial<T.BoostsTable>;
};
readonly isMax: boolean | T.SpeciesName;
readonly maxMove?: {
basePower: number;
};
readonly ohko?: boolean | T.TypeName;
readonly thawsTarget?: boolean;
readonly heal?: number[] | null;
readonly forceSwitch?: boolean;
readonly selfSwitch?: 'copyvolatile' | 'shedtail' | boolean;
readonly selfBoost?: { boosts?: Partial<T.BoostsTable> };
readonly selfdestruct?: boolean | 'ifHit' | 'always';
readonly breaksProtect?: boolean;
readonly recoil?: [number, number];
readonly drain?: [number, number];
readonly mindBlownRecoil?: boolean;
readonly struggleRecoil?: boolean;
readonly stealsBoosts?: boolean;
readonly secondary?: T.SecondaryEffect | null;
readonly secondaries: T.SecondaryEffect[] | null;
readonly self?: T.HitEffect | null;
readonly alwaysHit?: boolean;
readonly basePowerModifier?: number;
readonly critModifier?: number;
readonly critRatio?: number;
readonly overrideOffensivePokemon?: 'target' | 'source';
readonly overrideOffensiveStat?: Exclude<T.StatID, 'hp'>;
readonly overrideDefensivePokemon?: 'target' | 'source';
readonly overrideDefensiveStat?: Exclude<T.StatID, 'hp'>;
readonly forceSTAB?: boolean;
readonly ignoreAbility?: boolean;
readonly ignoreAccuracy?: boolean;
readonly ignoreDefensive?: boolean;
readonly ignoreEvasion?: boolean;
readonly ignoreImmunity?: boolean | { [k in keyof T.TypeName]?: boolean };
readonly ignoreNegativeOffensive?: boolean;
readonly ignoreOffensive?: boolean;
readonly ignorePositiveDefensive?: boolean;
readonly ignorePositiveEvasion?: boolean;
readonly infiltrates?: boolean;
readonly multiaccuracy?: boolean;
readonly multihit?: number | number[];
readonly noCopy?: boolean;
readonly noDamageVariance?: boolean;
readonly noFaint?: boolean;
readonly nonGhostTarget?: T.MoveTarget;
readonly pressureTarget?: T.MoveTarget;
readonly sleepUsable?: boolean;
readonly smartTarget?: boolean;
readonly spreadModifier?: number;
readonly tracksTarget?: boolean;
readonly willCrit?: boolean;
readonly hasCrashDamage?: boolean;
readonly hasSheerForce?: boolean;
readonly isConfusionSelfHit?: boolean;
readonly noMetronome?: T.MoveName[];
readonly noSketch?: boolean;
readonly stallingMove?: boolean;
constructor(data: AnyObject) {
super(data);
data = this;
this.fullname = `move: ${this.name}`;
this.effectType = 'Move';
this.kind = 'Move';
this.type = getString(data.type) as T.TypeName;
this.basePower = Number(data.basePower);
this.critRatio = Number(data.critRatio) || 1;
this.secondary = data.secondary || null;
this.secondaries = data.secondaries?.length
? data.secondaries : this.secondary
? [this.secondary]
: null;
this.hasSheerForce = !!(data.hasSheerForce && !this.secondaries);
this.priority = Number(data.priority) || 0;
this.ignoreImmunity =
(data.ignoreImmunity !== undefined ? data.ignoreImmunity : data.category === 'Status');
this.pp = Number(data.pp);
this.isZ = data.isZ || false;
this.isMax = data.isMax || false;
this.flags = data.flags || {};
this.selfSwitch =
(typeof data.selfSwitch === 'string'
? (data.selfSwitch as 'copyvolatile' | 'shedtail')
: data.selfSwitch) ||
undefined;
this.pressureTarget = data.pressureTarget || undefined;
this.nonGhostTarget = data.nonGhostTarget || undefined;
this.ignoreAbility = data.ignoreAbility || false;
this.volatileStatus =
typeof data.volatileStatus === 'string' ? (data.volatileStatus as T.ID) : undefined;
if (this.category !== 'Status' && !this.maxMove && this.id !== 'struggle') {
this.maxMove = {basePower: 1};
if (this.isMax || this.isZ) {
// already initialized to 1
} else if (!this.basePower) {
this.maxMove.basePower = 100;
} else if (['Fighting', 'Poison'].includes(this.type)) {
if (this.basePower >= 150) {
this.maxMove.basePower = 100;
} else if (this.basePower >= 110) {
this.maxMove.basePower = 95;
} else if (this.basePower >= 75) {
this.maxMove.basePower = 90;
} else if (this.basePower >= 65) {
this.maxMove.basePower = 85;
} else if (this.basePower >= 55) {
this.maxMove.basePower = 80;
} else if (this.basePower >= 45) {
this.maxMove.basePower = 75;
} else {
this.maxMove.basePower = 70;
}
} else {
if (this.basePower >= 150) {
this.maxMove.basePower = 150;
} else if (this.basePower >= 110) {
this.maxMove.basePower = 140;
} else if (this.basePower >= 75) {
this.maxMove.basePower = 130;
} else if (this.basePower >= 65) {
this.maxMove.basePower = 120;
} else if (this.basePower >= 55) {
this.maxMove.basePower = 110;
} else if (this.basePower >= 45) {
this.maxMove.basePower = 100;
} else {
this.maxMove.basePower = 90;
}
}
}
if (this.category !== 'Status' && !this.zMove &&
!this.isZ && !this.isMax && this.id !== 'struggle') {
let basePower = this.basePower;
this.zMove = {};
if (Array.isArray(this.multihit)) basePower *= 3;
if (!basePower) {
this.zMove.basePower = 100;
} else if (basePower >= 140) {
this.zMove.basePower = 200;
} else if (basePower >= 130) {
this.zMove.basePower = 195;
} else if (basePower >= 120) {
this.zMove.basePower = 190;
} else if (basePower >= 110) {
this.zMove.basePower = 185;
} else if (basePower >= 100) {
this.zMove.basePower = 180;
} else if (basePower >= 90) {
this.zMove.basePower = 175;
} else if (basePower >= 80) {
this.zMove.basePower = 160;
} else if (basePower >= 70) {
this.zMove.basePower = 140;
} else if (basePower >= 60) {
this.zMove.basePower = 120;
} else {
this.zMove.basePower = 100;
}
}
if (!this.gen) {
// special handling for gen8 gmax moves (all of them have num 1000 but they are part of gen8)
if (this.num >= 827 && !this.isMax) {
this.gen = 9;
} else if (this.num >= 743) {
this.gen = 8;
} else if (this.num >= 622) {
this.gen = 7;
} else if (this.num >= 560) {
this.gen = 6;
} else if (this.num >= 468) {
this.gen = 5;
} else if (this.num >= 355) {
this.gen = 4;
} else if (this.num >= 252) {
this.gen = 3;
} else if (this.num >= 166) {
this.gen = 2;
} else if (this.num >= 1) {
this.gen = 1;
}
}
}
}
class DexMoves implements T.DexTable<Move> {
readonly dex: ModdedDex;
readonly caches = {
get: Object.create(null) as { [id: string]: Move },
all: undefined as ReadonlyArray<Move> | undefined,
};
constructor(dex: ModdedDex) {
this.dex = dex;
}
get(name: string): Move {
return this.getByID(toID(name));
}
getByID(id: T.ID): Move {
const alias = this.dex.data.Aliases[id];
if (alias) id = toID(alias);
let move = this.caches.get[id];
if (move) return move;
if (id.startsWith('hiddenpower')) {
id = /([a-z]*)([0-9]*)/.exec(id)![1] as T.ID;
}
const data = this.dex.data.Moves[id];
if (id && data) {
move = new Move(data);
if (id.substr(0, 11) === 'hiddenpower') {
id = /([a-z]*)([0-9]*)/.exec(id)![1] as T.ID;
} else if (id.substr(0, 6) === 'return' && id.length > 6) {
id = 'return' as T.ID;
(move as any).basePower = Number(id.slice(6));
} else if (id.substr(0, 11) === 'frustration' && id.length > 11) {
id = 'frustration' as T.ID;
(move as any).basePower = Number(id.slice(11));
}
if (this.dex.gen <= 3 && data.category !== 'Status') {
(move as any).category = getGen3Category(data.type);
}
if (move.gen > this.dex.gen) (move as any).isNonstandard = 'Future';
} else {
move = new Move({id, name: id, exists: false});
}
if (move.exists) this.caches.get[id] = move;
return move;
}
all(): readonly Move[] {
if (this.caches.all) return this.caches.all;
const moves = [];
for (const id in this.dex.data.Moves) {
moves.push(this.getByID(id as T.ID));
}
return (this.caches.all = moves);
}
}
export class Nature extends BasicEffect<T.NatureName> implements T.Nature {
readonly effectType: 'Nature';
readonly kind: 'Nature';
readonly plus?: Exclude<T.StatID, 'hp'>;
readonly minus?: Exclude<T.StatID, 'hp'>;
constructor(data: AnyObject) {
super(data);
data = this;
this.fullname = `nature: ${this.name}`;
this.effectType = 'Nature';
this.kind = 'Nature';
this.gen = 3;
this.plus = data.plus || undefined;
this.minus = data.minus || undefined;
}
}
class DexNatures implements T.DexTable<Nature> {
readonly dex: ModdedDex;
readonly caches = {
get: Object.create(null) as { [id: string]: Nature },
all: undefined as ReadonlyArray<Nature> | undefined,
};
constructor(dex: ModdedDex) {
this.dex = dex;
}
get(name: string): Nature {
return this.getByID(toID(name));
}
getByID(id: T.ID): Nature {
const alias = this.dex.data.Aliases[id];
if (alias) id = toID(alias);
let nature = this.caches.get[id];
if (nature) return nature;
const data = this.dex.data.Natures[id];
if (id && data) {
nature = new Nature(data);
if (nature.gen > this.dex.gen) nature.isNonstandard = 'Future';
} else {
nature = new Nature({name: id, exists: false});
}
if (nature.exists) this.caches.get[id] = nature;
return nature;
}
all(): readonly Nature[] {
if (this.caches.all) return this.caches.all;
const natures = [];
for (const id in this.dex.data.Natures) {
natures.push(this.getByID(id as T.ID));
}
return (this.caches.all = natures);
}
}
export class Species extends BasicEffect<T.SpeciesName> implements T.Species {
readonly effectType: 'Pokemon';
readonly kind: 'Species';
readonly baseStats: T.StatsTable;
readonly bst: number;
readonly baseSpecies: T.SpeciesName;
readonly baseForme: T.FormeName | '';
readonly forme: T.FormeName | '';
readonly abilities: T.SpeciesAbility<T.AbilityName | ''>;
readonly types: [T.TypeName] | [T.TypeName, T.TypeName];
readonly prevo?: T.SpeciesName | '';
readonly evos?: T.SpeciesName[];
readonly nfe: boolean;
readonly eggGroups: T.EggGroup[];
readonly canHatch: boolean;
readonly weightkg: number;
readonly weighthg: number;
readonly tags: T.SpeciesTag[];
readonly unreleasedHidden: boolean | 'Past';
readonly maleOnlyHidden: boolean;
readonly changesFrom?: T.SpeciesName;
readonly tier: T.Tier.Singles | T.Tier.Other | 'Illegal';
readonly doublesTier: T.Tier.Doubles | 'Illegal';
readonly cosmeticFormes?: T.SpeciesName[];
readonly otherFormes?: T.SpeciesName[];
readonly formeOrder?: T.SpeciesName[];
readonly genderRatio: { M: number; F: number };
readonly isMega?: boolean;
readonly isPrimal?: boolean;
readonly battleOnly?: T.SpeciesName | T.SpeciesName[];
readonly canGigantamax?: T.MoveName;
readonly gmaxUnreleased?: boolean;
readonly cannotDynamax?: boolean;
readonly requiredAbility?: T.AbilityName;
readonly requiredItem?: T.ItemName;
readonly requiredItems?: T.ItemName[];
readonly requiredMove?: T.MoveName;
readonly gender?: T.GenderName;
readonly maxHP?: number;
readonly evoMove?: T.MoveName;
readonly evoItem?: string;
readonly evoRegion?: 'Alola' | 'Galar';
readonly evoLevel?: number;
readonly evoCondition?: string;
readonly evoType?: T.EvoType;
readonly condition?: Partial<Condition>;
constructor(data: AnyObject) {
super(data);
data = this;
this.fullname = `pokemon: ${data.name as string}`;
this.effectType = 'Pokemon';
this.kind = 'Species';
this.baseSpecies = data.baseSpecies || data.name;
this.forme = data.forme || '';
this.baseForme = data.baseForme || '';
this.abilities = data.abilities || {0: ''};
this.types = data.types || ['???'];
this.prevo = data.prevo || '';
this.tier = data.tier || '';
this.doublesTier = data.doublesTier || '';
this.evos = data.evos || [];
this.nfe = !!this.evos?.length;
this.eggGroups = data.eggGroups || [];
this.canHatch = data.canHatch || false;
this.genderRatio = data.genderRatio || (this.gender === 'M' ? {M: 1, F: 0}
: this.gender === 'F' ? {M: 0, F: 1}
: this.gender === 'N' ? {M: 0, F: 0}
: {M: 0.5, F: 0.5});
this.requiredItems =
this.requiredItems || (this.requiredItem ? [this.requiredItem] : undefined);
this.baseStats = data.baseStats || {hp: 0, atk: 0, def: 0, spa: 0, spd: 0, spe: 0};
this.bst = this.baseStats.hp + this.baseStats.atk + this.baseStats.def +
this.baseStats.spa + this.baseStats.spd + this.baseStats.spe;
this.weightkg = data.weightkg || 0;
this.weighthg = this.weightkg * 10;
this.tags = data.tags || [];
this.unreleasedHidden = data.unreleasedHidden || false;
this.maleOnlyHidden = !!data.maleOnlyHidden;
this.isMega = !!(this.forme && ['Mega', 'Mega-X', 'Mega-Y'].includes(this.forme)) || undefined;
this.gmaxUnreleased = !!data.gmaxUnreleased;
this.cannotDynamax = !!data.cannotDynamax;
this.battleOnly = data.battleOnly || (this.isMega ? this.baseSpecies : undefined);
this.changesFrom = data.changesFrom ||
(this.battleOnly !== this.baseSpecies ? this.battleOnly : this.baseSpecies);
if (Array.isArray(data.changesFrom)) this.changesFrom = data.changesFrom[0]; // BUG
if (!this.gen && data.num >= 1) {
if (this.num >= 906 || this.forme.includes('Paldea')) {
this.gen = 9;
} else if (this.num >= 810 || ['Gmax', 'Galar', 'Galar-Zen', 'Hisui'].includes(this.forme)) {
this.gen = 8;
} else if (data.num >= 722 || this.forme.startsWith('Alola') || this.forme === 'Starter') {
this.gen = 7;
} else if (this.forme === 'Primal') {
this.gen = 6;
this.isPrimal = true;
this.battleOnly = this.baseSpecies;
} else if (data.num >= 650 || this.isMega) {
this.gen = 6;
} else if (data.num >= 494) {
this.gen = 5;
} else if (data.num >= 387) {
this.gen = 4;
} else if (data.num >= 252) {
this.gen = 3;
} else if (data.num >= 152) {
this.gen = 2;
} else {
this.gen = 1;
}
}
}
}
type Mutable<T> = {-readonly [P in keyof T]: T[P]};
class DexSpecies implements T.DexTable<Species> {
readonly dex: ModdedDex;
readonly caches = {
get: Object.create(null) as { [id: string]: Species },
all: undefined as ReadonlyArray<Species> | undefined,
};
constructor(dex: ModdedDex) {
this.dex = dex;
}
get(name: string): Species {
name = name.trim();
let id = toID(name);
if (id === 'nidoran' && name.endsWith('♀')) {
id = 'nidoranf' as T.ID;
} else if (id === 'nidoran' && name.endsWith('♂')) {
id = 'nidoranm' as T.ID;
}
return this.getByID(id);
}
getByID(id: T.ID): Species {
let species: Mutable<Species> | undefined = this.caches.get[id];
if (species) return species;
const alias = this.dex.data.Aliases[id];
if (alias) {
const data = this.dex.data.FormatsData[id];
if (data) {
// special event ID, like Rockruff-Dusk
const baseId = toID(alias);
species = new Species({
...this.dex.data.Species[baseId],
...this.dex.data.FormatsData[id],
name: id,
});
species.abilities = {0: species.abilities['S']!};
} else {
species = this.get(alias);
if (species.cosmeticFormes) {
for (const forme of species.cosmeticFormes) {
if (toID(forme) === id) {
species = new Species({
...species,
name: forme,
id,
forme: forme.slice(species.name.length + 1),
baseForme: '',
baseSpecies: species.name,
otherFormes: null,
cosmeticFormes: null,
});
break;
}
}
}
}
if (species?.exists) this.caches.get[id] = species;
return species;
}
let data = this.dex.data.Species[id];
if (id && !data) {
let aliasTo = '';
const formeNames: {[k: string]: string[]} = {
alola: ['a', 'alola', 'alolan'],
galar: ['g', 'galar', 'galarian'],
hisui: ['h', 'hisui', 'hisuian'],
paldea: ['p', 'paldea', 'paldean'],
mega: ['m', 'mega'],
primal: ['p', 'primal'],
};
for (const forme in formeNames) {
let pokeName = '';
for (const i of formeNames[forme]) {
if (id.startsWith(i)) {
pokeName = id.slice(i.length);
} else if (id.endsWith(i)) {
pokeName = id.slice(0, -i.length);
}
}
if (this.dex.data.Aliases.hasOwnProperty(pokeName)) {
pokeName = toID(this.dex.data.Aliases[pokeName]);
}
if (this.dex.data.Species[pokeName + forme]) {
aliasTo = pokeName + forme;
break;
}
}
if (aliasTo) {
species = this.get(aliasTo);
if (species.exists) {
this.caches.get[id] = species;
return species;
}
}
}
data = this.dex.data.Species[id];
if (id && data) {
const tags = data.baseSpecies && this.dex.data.Species[toID(data.baseSpecies)].tags;
species = new Species({tags, ...data, ...this.dex.data.FormatsData[id]});
if (!species.tier && !species.doublesTier && species.baseSpecies !== species.name) {
if (species.baseSpecies === 'Mimikyu') {
(species as any).tier =
this.dex.data.FormatsData[toID(species.baseSpecies)].tier || 'Illegal';
(species as any).doublesTier =
this.dex.data.FormatsData[toID(species.baseSpecies)].doublesTier || 'Illegal';
} else if (species.id.endsWith('totem')) {
(species as any).tier =
this.dex.data.FormatsData[species.id.slice(0, -5)].tier || 'Illegal';
(species as any).doublesTier =
this.dex.data.FormatsData[species.id.slice(0, -5)].doublesTier || 'Illegal';
} else if (species.battleOnly) {
(species as any).tier =
this.dex.data.FormatsData[toID(species.battleOnly)].tier || 'Illegal';
(species as any).doublesTier =
this.dex.data.FormatsData[toID(species.battleOnly)].doublesTier || 'Illegal';
} else {
const baseFormatsData = this.dex.data.FormatsData[toID(species.baseSpecies)];
if (!baseFormatsData) {
throw new Error(`${species.baseSpecies} has no formats-data entry`);
}
(species as any).tier = baseFormatsData.tier || 'Illegal';
(species as any).doublesTier = baseFormatsData.doublesTier || 'Illegal';
}
}
if (!species.tier) species.tier = 'Illegal';
if (!species.doublesTier) species.doublesTier = species.tier as any;
if (species.gen > this.dex.gen) {
species.tier = 'Illegal';
species.doublesTier = 'Illegal';
species.isNonstandard = 'Future';
}
species.nfe = !!(species.evos?.length && this.get(species.evos[0]).gen <= this.dex.gen);
species.canHatch = species.canHatch ||
(!['Ditto', 'Undiscovered'].includes(
species.eggGroups[0]
) && !species.prevo && species.name !== 'Manaphy');
if (this.dex.gen === 1) species.bst -= species.baseStats.spd;
if (this.dex.gen < 5) delete species.abilities['H'];
} else {
species = new Species({
id, name: id,
exists: false, tier: 'Illegal', doublesTier: 'Illegal', isNonstandard: 'Custom',
});
}
if (species.exists) this.caches.get[id] = species;
return species;
}
all(): readonly Species[] {
if (this.caches.all) return this.caches.all;
const species = [];
for (const id in this.dex.data.Species) {
species.push(this.getByID(id as T.ID));
}
return (this.caches.all = species);
}
}
export class Learnset implements T.Learnset {
readonly effectType: 'Learnset';
readonly kind: 'Learnset';
readonly learnset?: { [moveid: string]: T.MoveSource[] };
readonly eventOnly: boolean;
readonly eventData?: T.EventInfo[];
readonly encounters?: T.EventInfo[];
readonly exists: boolean;
constructor(data: AnyObject) {
this.effectType = 'Learnset';
this.kind = 'Learnset';
this.learnset = data.learnset || undefined;
this.eventOnly = !!data.eventOnly;
this.eventData = data.eventData || undefined;
this.encounters = data.encounters || undefined;
this.exists = data.exists ?? true;
}
}
class DexLearnsets {
readonly dex: ModdedDex;
readonly cache = Object.create(null) as { [id: string]: Learnset };
constructor(dex: ModdedDex) {
this.dex = dex;
}
async get(name: string): Promise<Learnset> {
return this.getByID(toID(name));
}
async getByID(id: T.ID): Promise<Learnset> {
let learnset = this.cache[id];
if (learnset) return learnset;
if (!DATA.Learnsets) {
try {
DATA.Learnsets = (await import('./data/learnsets.json')).default as Data<T.LearnsetData>;
} catch (err) {