@polygonjs/polygonjs/src/engine/nodes/audio/ToDestination.ts

node-based WebGL 3D engine https://polygonjs.com

/**
 * applies a ToDestination
 *
 *
 */

import {TypedAudioNode} from './_Base';
import {NodeParamsConfig} from '../utils/params/ParamsConfig';
import {AudioBuilder} from '../../../core/audio/AudioBuilder';
import {ToneAudioNode} from 'tone/build/esm/core/context/ToneAudioNode';
class ToDestinationAudioParamsConfig extends NodeParamsConfig {}
const ParamsConfig = new ToDestinationAudioParamsConfig();

export class ToDestinationAudioNode extends TypedAudioNode<ToDestinationAudioParamsConfig> {
	override paramsConfig = ParamsConfig;
	static override type() {
		return 'toDestination';
	}

	override initializeNode() {
		this.io.inputs.setCount(1);
	}

	private _previousAudioNode: ToneAudioNode | undefined;
	override cook(inputContents: AudioBuilder[]) {
		const audioBuilder = inputContents[0];

		const audioNode = audioBuilder.audioNode();
		if (!audioNode) {
			this.states.error.set('no audioNode in input');
			this.cookController.endCook();
			return;
		}
		if (this._previousAudioNode) {
			this._previousAudioNode.disconnect(this._previousAudioNode.context.destination);
		}
		audioNode.toDestination();
		this._previousAudioNode = audioNode;

		this.setAudioBuilder(audioBuilder);
	}
}