OptionalnameBiome name (for debugging)
OptionaltempTemperature range [min, max] for this biome
OptionalmoistMoisture range [min, max] for this biome
OptionalsurfaceSurface block type ID (e.g. BLOCKS.GRASS)
OptionalsubSub-surface block type ID (e.g. BLOCKS.DIRT)
OptionaltreeTree density 0-1 (0 = no trees)
OptionaltreeTree trunk block type ID
OptionaltreeTree leaves block type ID
Biome definition for terrain generation.