question: public boolean addBiome ( int biomeId ) { BiomeGenBase biome = BiomeGenBase . getBiome ( biomeId ) ; if ( biomeId == 0 || biome != BiomeGenBase . ocean ) { List < BiomeGenBase > biomes = new ArrayList < BiomeGenBase > ( ) ; biomes . add ( biome ) ; allowedBiomes . addAll ( getBiomesEntries ( biomes ) ) ; return true ; } return false ; }
target:  Adds a biome to the list of biomes allowed to spawn on this planet