blueshell/dist/lib/nodes/Switch.js

A Behavior Tree implementation in modern Javascript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Switch = void 0;
const Constant_1 = require("./Constant");
const Parent_1 = require("./Parent");
const models_1 = require("../models");
/**
 * Executes the child action associated with the first matching conditional.
 * Returns defaultResult if no conditionals match.
 *
 * 11/9/21
 * @author Timothy Deignan
 */
class Switch extends Parent_1.Parent {
    constructor(name, entries, defaultResult = models_1.rc.SUCCESS) {
        super(name);
        this.defaultResult = defaultResult;
        this.entries = entries.map((e) => {
            return {
                conditional: e.conditional || (() => true),
                child: (0, models_1.isResultCode)(e.child) ? new Constant_1.Constant(e.child) : e.child,
            };
        });
        this.children = this.entries.map((e) => e.child);
        this.initChildren(this.children);
    }
    onEvent(state, event) {
        const entry = this.entries.find((e) => e.conditional(state, event));
        if (entry) {
            return entry.child.handleEvent(state, event);
        }
        else {
            return this.defaultResult;
        }
    }
    getChildren() {
        return this.children;
    }
    get symbol() {
        return '?';
    }
}
exports.Switch = Switch;
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