Get Programming with JavaScript

Get Programming with JavaScript - Listing 20.08

Listing 20.08 - Map Manager

(function () {
    "use strict";

    var placesStore = {};

    function addPlace (placeData) {
        var place = new theCrypt.Place(placeData.title, placeData.description);
        placesStore[placeData.id] = place;

        if (placeData.items !== undefined) {
            placeData.items.forEach(place.addItem);
        }

        if (placeData.exits !== undefined) {
            placeData.exits.forEach(function (exit) {
                place.addExit(exit.direction, exit.id);
                place.addChallenge(exit.direction, exit.challenge);
            });
        }
        return place;
    }

    function loadPlace (id, callback) {
        var place = placesStore[id];

        if (place === undefined) {
            gpwj.data.load(id, function (placeData) {
                var place = addPlace(placeData);
                callback(place);
            });
        } else {
            callback(place);
        }
    }

    if (window.theCrypt === undefined) {
        window.theCrypt = {};
    }

    theCrypt.map = {
        loadPlace: loadPlace
    };

})();