public void allocateContexts(WorldGenerator generator) {
if (!contextInitialized) {
natureContext = new SandDunesNatureContext(generator);
roadContext = new SandDunesRoadContext(generator);
parkContext = new SandDunesParkContext(generator);
highriseContext = new SandDunesHighriseContext(generator);
constructionContext = new SandDunesConstructionContext(generator);
midriseContext = new SandDunesMidriseContext(generator);
municipalContext = midriseContext;
lowriseContext = new SandDunesLowriseContext(generator);