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diff --git a/src/stockfish/index.ts b/src/stockfish/index.ts
index 75cf3ec01..0adb23643 100644
--- a/src/stockfish/index.ts
+++ b/src/stockfish/index.ts
@@ -1,58 +1,69 @@
-import { Capacitor, registerPlugin } from '@capacitor/core'
-import { Stockfish, StockfishPlugin as IStockfishPlugin } from 'capacitor-stockfish'
import { VariantKey } from '../lichess/interfaces/variant'
-import settings from '../settings'
-export const StockfishVariants = registerPlugin<IStockfishPlugin>('StockfishVariants', {
- web: () => import('./StockfishVariantsWeb').then(m => new m.StockfishVariantsWeb()),
-})
+// stub for externally used functionality
+export const StockfishVariants = {
+ getMaxMemory: () => Promise.reject("unimplemented"),
+ getCPUArch: () => Promise.reject("unimplemented"),
+};
+
+interface INativeEngine {
+ send(line: string): void;
+ addListener(listener: (line: string) => void): void;
+ removeListener(listener: (line: string) => void): void;
+ kill(): boolean;
+}
+
+declare const startStockfish: () => INativeEngine;
export class StockfishPlugin {
- private plugin: IStockfishPlugin
+ private engine: INativeEngine | undefined
+ private startPromise: Promise<{ engineName: string }> | undefined
constructor(readonly variant: VariantKey) {
- this.plugin = !this.isVariant() &&
- canUseNNUE() &&
- settings.analyse.cevalUseNNUE() ? Stockfish : StockfishVariants
}
public async start(): Promise<{ engineName: string }> {
- return new Promise((resolve) => {
- let engineName = 'Stockfish'
- const listener = (e: Event) => {
- const line = (e as any).output
- console.debug('[stockfish >>] ' + line)
- if (line.startsWith('id name ')) {
- engineName = line.substring('id name '.length)
- }
- if (line.startsWith('uciok')) {
- window.removeEventListener('stockfish', listener, false)
- resolve({ engineName })
- }
- }
- window.addEventListener('stockfish', listener, { passive: true })
- this.plugin.start()
- .then(() => this.send('uci'))
- })
+ console.log('trying to start stockfish')
+ if(typeof this.startPromise === 'undefined') {
+ this.startPromise = new Promise<{engineName: string}>((resolve) => {
+ let engineName = 'Stockfish'
+ this.engine = startStockfish();
+
+ const listener = (line: string) => {
+ console.debug('[stockfish >>] ' + line)
+ if (line.startsWith('id name ')) {
+ engineName = line.substring('id name '.length)
+ }
+ if (line.startsWith('uciok')) {
+ this.engine!.removeListener(listener)
+ resolve({ engineName })
+ }
+ }
+ this.engine.addListener(listener)
+ this.send('uci')
+ })
+ }
+
+ return this.startPromise
}
public isReady(): Promise<void> {
return new Promise((resolve) => {
- const listener = (e: Event) => {
- const line = (e as any).output
+ const listener = (line: string) => {
if (line.startsWith('readyok')) {
- window.removeEventListener('stockfish', listener, false)
+ this.engine!.removeListener(listener)
resolve()
}
}
- window.addEventListener('stockfish', listener, { passive: true })
+ this.engine!.addListener(listener)
this.send('isready')
})
}
public send(text: string): Promise<void> {
console.debug('[stockfish <<] ' + text)
- return this.plugin.cmd({ cmd: text })
+ this.engine!.send(text)
+ return Promise.resolve()
}
public setOption(name: string, value: string | number | boolean): Promise<void> {
@@ -61,10 +72,8 @@ export class StockfishPlugin {
public setVariant(): Promise<void> {
if (this.isVariant()) {
- if (Capacitor.getPlatform() !== 'web' && this.variant === 'threeCheck')
+ if (this.variant === 'threeCheck')
return this.setOption('UCI_Variant', '3check')
- if (Capacitor.getPlatform() === 'web' && this.variant === 'antichess')
- return this.setOption('UCI_Variant', 'giveaway')
else
return this.setOption('UCI_Variant', this.variant.toLowerCase())
} else {
@@ -73,7 +82,11 @@ export class StockfishPlugin {
}
public exit(): Promise<void> {
- return this.plugin.exit()
+ if(this.engine!.kill()) {
+ return Promise.resolve()
+ } else {
+ return Promise.reject('Failed to kill process')
+ }
}
private isVariant() {
@@ -95,11 +108,13 @@ export function getNbCores(): number {
}
export function canUseNNUE(): boolean {
- if (Capacitor.getPlatform() === 'android') {
- return window.lichess.cpuArch === 'arm64-v8a'
- } else if (Capacitor.getPlatform() === 'ios') {
- return true
- } else {
- return false
- }
+ // TODO maybe later
+ return false
}
+
+window.addEventListener("stockfish-outer" as any, (evt: CustomEvent) => {
+ const newEvent = new CustomEvent("stockfish");
+ (newEvent as any).output = evt.detail;
+
+ window.dispatchEvent(newEvent);
+});
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