final ManagedMap data = world.getData();
data.put(VanillaData.GAMEMODE, GameMode.get(worldNode.GAMEMODE.getString()));
data.put(VanillaData.DIFFICULTY, Difficulty.get(worldNode.DIFFICULTY.getString()));
data.put(VanillaData.DIMENSION, Dimension.get(worldNode.SKY_TYPE.getString()));
world.addLightingManager(VanillaLighting.BLOCK_LIGHT);
world.addLightingManager(VanillaLighting.SKY_LIGHT);
// Add to worlds
worlds.add(world);
}