@Override public Chunk provideChunk(int chunkX, int chunkZ) { rand.setSeed(chunkX * 341873128712L + chunkZ * 132897987541L); biomesForGeneration = worldObj .getBiomeProvider() .loadBlockGeneratorData(biomesForGeneration, chunkX * 16, chunkZ * 16, 16, 16); ChunkPrimer primer = new ChunkPrimer(); setBlocksInChunk(primer); caveGenerator.generate(worldObj, chunkX, chunkZ, primer); if (CavelandConfig.generateRiver) { ravineGenerator.generate(worldObj, chunkX, chunkZ, primer); } replaceBiomeBlocks(chunkX, chunkZ, primer); Chunk chunk = new Chunk(worldObj, primer, chunkX, chunkZ); byte[] biomeArray = chunk.getBiomeArray(); for (int i = 0; i < biomeArray.length; ++i) { biomeArray[i] = (byte) Biome.getIdForBiome(biomesForGeneration[i]); } chunk.resetRelightChecks(); return chunk; }