WIP

src/player/Player.ts

@@ -3,6 +3,7 @@ import Board from "../board/Board";
 import Game from "../game/Game";
 import { setState, state } from "../state";
 import sfx from "./sfx";
+import Speech, { sanToText } from "./speach";
 
 const delay = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));
 
@@ -11,11 +12,14 @@ class Player {
   private game: Game = new Game();
   private ply: number = 0;
   private callback: (playing: boolean, ply: number) => void = () => {};
+  private speech: Speech;
   public playing: boolean = false;
 
   private firstRender: Promise<void>;
 
   constructor(private board: Board, private config: GameConfig) {
+    this.speech = new Speech();
+
     this.firstRender = this.board
       .frame(this.game.getPosition(0), this.game.header)
       .then((_) => this.board.render());
@@ -109,6 +113,10 @@ class Player {
     await this.board.frame(position, this.game.header);
     this.board.render();
 
+    if (state.boardConfig.speech) {
+      this.speech.say(sanToText(position.move?.san as string));
+    }
+
     if (this.ply > 0 && state.boardConfig.sounds) {
       if (position.mate) {
         sfx.snap.play();

src/player/speach.ts

@@ -0,0 +1,66 @@
+const words: { [key: string]: string } = {
+  x: " takes ",
+  "+": " check!",
+  "#": " mate!",
+  "=": " promotes to a ",
+  P: "pawn ",
+  R: "rook ",
+  B: "bishop ",
+  N: "knight ",
+  Q: "queen ",
+  K: "king ",
+  "O-O": "short castle",
+  "O-O-O": "long castle",
+};
+
+const config = {
+  volume: 50,
+  rate: 2,
+  lang: "en-US",
+};
+
+const sanToText = (move: string) => {
+  if (move === "O-O" || move === "O-O-O") {
+    move = words[move];
+  } else {
+    // Handles special cases like R2a6 ore Nbd2
+    const special = move.match(/[a-h1-8][a-h][1-8]/);
+
+    if (special) {
+      move = move.replace(
+        special[0],
+        `${special[0][0]} ${special[0][1]}${special[0][2]}`
+      );
+    }
+
+    move = move
+      .split("")
+      .map((x) => words[x] ?? x)
+      .join("")
+      .replace(/\s{2,}/g, " ");
+  }
+
+  return move;
+};
+
+class Speach {
+  private voice: SpeechSynthesisVoice | undefined;
+  constructor() {
+    const voices = speechSynthesis.getVoices();
+    this.voice = voices.find((voice) => voice.lang === config.lang);
+  }
+
+  say(text: string) {
+    const info = new SpeechSynthesisUtterance(text);
+    info.volume = config.volume / 100;
+    info.lang = config.lang;
+    if (this.voice) {
+      info.voice = this.voice;
+    }
+    info.rate = 1 + config.rate / 10;
+    speechSynthesis.speak(info);
+  }
+}
+
+export { sanToText };
+export default Speach;