public void allocateContexts(WorldGenerator generator) {
if (!contextInitialized) {
natureContext = new SnowDunesNatureContext(generator);
roadContext = new SnowDunesRoadContext(generator);
parkContext = new SnowDunesParkContext(generator);
highriseContext = new SnowDunesHighriseContext(generator);
constructionContext = new SnowDunesConstructionContext(generator);
midriseContext = new SnowDunesMidriseContext(generator);
municipalContext = midriseContext;
lowriseContext = new SnowDunesLowriseContext(generator);