Rpg Maker Developers Group

/**
 * --------------------------------------------------------------------------------
 *   Spawn Map Data Preloading
 * --------------------------------------------------------------------------------
 */
   
DataManager.preloadMaps = function() {
    if (!Ritter.Params.preloadMaps) return;
    var mapIds = Ritter.Params.preloadMaps;
    for (var i = 0; i < Ritter.Params.preloadMaps.length; i++) {
        DataManager.loadSpawnMap(mapIds[i]);
    }
};
/**
 * Loads Map Data for Spawner.
 * Can also spawn events on map load.
 * This allows for you to spawn an event from any map
 * without preloading.
 * Just enter mapId and eventId into spawnEvent to spawn
 * any event from any map without preloading.
 *
 * @param {number} mapId - The Map Id # or "Map Name".
 * @param {number} eventId - The Event Id # or "Event Name".
 * @param {number} x - The X Location to Spawn an Event.
 * @param {number} y - The Y Location to Spawn an Event.
 * @param {boolean} save - Spawn as Saved Event?
 */
DataManager.loadSpawnMap = function(mapId, eventId, x, y, save) {
    var map = new XMLHttpRequest();
    var url = 'data/Map%1.json'.format(mapId.padZero(3));
    map.open("GET", url);
    map.overrideMimeType("application/json");
    map.onload = function() {
        Ritter._SpawnMaps.push(mapId);
        const mapData = JSON.parse(map.responseText);
        $MapData[mapId].events = mapData.events;
        $MapData[mapId].events.forEach(event => {
            if (event !== null) DataManager.extractMetadata(event);
        })
        if (Imported.Ritter_BoundarySystem) Ritter.Boundary.extractBoundaryData(mapData);
        if (typeof eventId === "string") eventId = Ritter._getEventIdFromString(mapId, eventId);
        if (eventId > 0) $gameMap.spawnEvent(mapId, eventId, x, y, save);
    };
    map.onerror = function() { throw new Error('Failed to load: ' + url); };
    map.send();
};