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| -rw-r--r-- | doc/lua_api.txt | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt index f82c3c2ac..9ffb497d7 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -3578,6 +3578,51 @@ Definition tables -- ^ Can be a list of (or a single) biome names, IDs, or definitions. } +### Biome definition (`register_biome`) + + { + name = "tundra", + node_dust = "default:snow", + -- ^ Node dropped onto upper surface after all else is generated. + node_top = "default:dirt_with_snow", + depth_top = 1, + -- ^ Node forming surface layer of biome and thickness of this layer. + node_filler = "default:permafrost", + depth_filler = 3, + -- ^ Node forming lower layer of biome and thickness of this layer. + node_stone = "default:bluestone", + -- ^ Node that replaces all stone nodes between roughly y_min and y_max. + node_water_top = "default:ice", + depth_water_top = 10, + -- ^ Node forming a surface layer in seawater with the defined thickness. + node_water = "", + -- ^ Node that replaces all seawater nodes not in the defined surface layer. + node_river_water = "default:ice", + -- ^ Node that replaces river water in mapgens that use default:river_water. + y_min = 1, + y_max = 31000, + -- ^ Lower and upper limits for biome. + -- ^ Because biome is not recalculated for every node in a node column + -- ^ some biome materials can exceed their limits, especially stone. + -- ^ For each node column in a mapchunk, biome is only recalculated at column + -- ^ top and at each of these surfaces: + -- ^ Ground below air, water below air, ground below water. + -- ^ The selected biome then stays in effect for all nodes below until + -- ^ column base or the next biome recalculation. + heat_point = 0, + humidity_point = 50, + -- ^ Characteristic average temperature and humidity for the biome. + -- ^ These values create 'biome points' on a voronoi diagram that has heat + -- ^ and humidity as axes. The resulting voronoi cells determine which + -- ^ heat/humidity points belong to which biome, and therefore determine + -- ^ the area and location of each biome in the world. + -- ^ The biome points need to be carefully and evenly spaced on the voronoi + -- ^ diagram to result in roughly equal size biomes. + -- ^ Heat and humidity have average values of 50, vary mostly between + -- ^ 0 and 100 but also often exceed these values. + -- ^ Heat is not in degrees celcius, both values are abstract. + } + ### Decoration definition (`register_decoration`) { |