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Object.defineProperty(exports, "__esModule", { value: true });
exports.AudioSource = void 0;
class AudioSource {
get volume() {
if (!this._gaineNode)
return 0;
const gain = this._gaineNode.gain;
return gain.value;
}
set volume(value) {
if (!this._gaineNode)
return;
this._volume = value;
const gain = this._gaineNode.gain;
gain.setValueAtTime(this._volume, 0);
}
get loop() {
var _a, _b;
return (_b = (_a = this._audioNode) === null || _a === void 0 ? void 0 : _a.loop) !== null && _b !== void 0 ? _b : false;
}
set loop(value) {
if (this._audioNode) {
this._audioNode.loop = value;
}
}
get isPlaying() {
return this._isPlaying;
}
constructor(audioBuffer, audioContext) {
this._volume = 1.0;
this._startTime = 0.0;
this._endTime = 0.0;
this._isPlaying = false;
this._isPaused = false;
this._audioBuffer = audioBuffer;
this._audioContext = audioContext;
this._ended = (event) => this.onEnded(event);
this.createAudioNodes();
}
play(delay, offset, duration) {
if (!this._audioNode)
return;
if (this._isPlaying) {
this._audioNode.stop();
this.createAudioNodes();
}
this._isPlaying = true;
const pausedTime = this._isPaused ? this._endTime : undefined;
const offsetTime = offset !== null && offset !== void 0 ? offset : pausedTime;
this._audioContext.resume();
this._startTime = Date.now();
this._audioNode.addEventListener("ended", this._ended);
this._audioNode.start(delay, offsetTime, duration);
this._isPaused = false;
}
pause() {
var _a;
this._isPaused = true;
(_a = this._audioNode) === null || _a === void 0 ? void 0 : _a.stop();
}
stop() {
var _a;
this._isPaused = false;
(_a = this._audioNode) === null || _a === void 0 ? void 0 : _a.stop();
}
createAudioNodes() {
let volume = 1.0;
let loop = false;
if (this._audioNode) {
loop = this._audioNode.loop;
}
if (this._gaineNode) {
volume = this._gaineNode.gain.value;
}
this._gaineNode = this._audioContext.createGain();
this._audioNode = this._audioContext.createBufferSource();
this._audioNode.buffer = this._audioBuffer;
this._audioNode.connect(this._gaineNode);
this._gaineNode.connect(this._audioContext.destination);
this.loop = loop;
this.volume = volume;
}
onEnded(event) {
this._isPlaying = false;
this._endTime = Date.now() - this._startTime;
const node = event.target;
node.removeEventListener("ended", this._ended);
this.createAudioNodes();
}
}
exports.AudioSource = AudioSource;
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