@polygonjs/polygonjs/src/engine/nodes/js/TriggerFilter.ts

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

/**
 * only forwards the trigger received if the condition is true
 *
 *
 */

import {TRIGGER_CONNECTION_NAME, TypedJsNode} from './_Base';
import {NodeParamsConfig, ParamConfig} from '../utils/params/ParamsConfig';
import {JsConnectionPoint, JsConnectionPointType, JS_CONNECTION_POINT_IN_NODE_DEF} from '../utils/io/connections/Js';
import {JsLinesCollectionController} from './code/utils/JsLinesCollectionController';
import {Poly} from '../../Poly';

const CONNECTION_OPTIONS = JS_CONNECTION_POINT_IN_NODE_DEF;

class TriggerFilterJsParamsConfig extends NodeParamsConfig {
	/** @param If true, the trigger will be forwarded. If false, it will not be. */
	condition = ParamConfig.BOOLEAN(1);
}
const ParamsConfig = new TriggerFilterJsParamsConfig();

export class TriggerFilterJsNode extends TypedJsNode<TriggerFilterJsParamsConfig> {
	override readonly paramsConfig = ParamsConfig;
	static override type() {
		return 'triggerFilter';
	}

	override initializeNode() {
		this.io.inputs.setNamedInputConnectionPoints([
			new JsConnectionPoint(TRIGGER_CONNECTION_NAME, JsConnectionPointType.TRIGGER, CONNECTION_OPTIONS),
		]);
		this.io.outputs.setNamedOutputConnectionPoints([
			new JsConnectionPoint(TRIGGER_CONNECTION_NAME, JsConnectionPointType.TRIGGER),
		]);
	}

	override setTriggerableLines(shadersCollectionController: JsLinesCollectionController) {
		const condition = this.variableForInputParam(shadersCollectionController, this.p.condition);

		const func = Poly.namedFunctionsRegister.getFunction('triggerFilter', this, shadersCollectionController);
		const bodyLine = func.asString(condition);
		shadersCollectionController.addTriggerableLines(this, [bodyLine]);
	}
}