private List<GWVector> possibleSpawns;
private List<NpcData> npcs;
public MapData() {
//FIXME: what if it runs out of IDs?
this.agentIDs = new IDManager(1, 1000);
this.localIDs = new IDManager(1, 1000);
this.possibleSpawns = new ArrayList<>();
this.npcs = new ArrayList<>();
}