@SubscribeEvent
    public void populateChunk(PopulateChunkEvent.Pre event)
	{
		System.out.println("this triggered");
            Chunk chunk = event.getWorld().getChunkFromChunkCoords(event.getChunkX(), event.getChunkZ());
            for (ExtendedBlockStorage storage : chunk.getBlockStorageArray()) {
                    if (storage != null) {
                            for (int x = 0; x < 16; ++x) {
                                    for (int y = 0; y < 16; ++y) {
                                            for (int z = 0; z < 16; ++z) {
                                                    if (storage.get(x, y, z) == Blocks.STONE) {
                                                            storage.set(x, y, z, IntegratedBlocks.DesertBlocks.getDefaultState());
                                                    }
                                            }
                                    }
                            }
                    }
            }
    }