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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/lua_api.txt | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 13227260c..a6d02ebb5 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -1069,7 +1069,6 @@ within the currently generated chunk. The vertical top and bottom displacement of each puff are determined by the noise parameters `np_puff_top` and `np_puff_bottom`, respectively. - ### `blob` Creates a deformed sphere of ore according to 3d perlin noise described by `noise_params`. The maximum size of the blob is `clust_size`, and @@ -1099,6 +1098,22 @@ to small changes. The following is a decent set of parameters to work from: **WARNING**: Use this ore type *very* sparingly since it is ~200x more computationally expensive than any other ore. +### `stratum` +Creates a single undulating ore stratum that is continuous across mapchunk +borders and horizontally spans the world. +The 2D perlin noise described by `noise_params` varies the Y co-ordinate of the +stratum midpoint. The 2D perlin noise described by `np_stratum_thickness` +varies the stratum's vertical thickness (in units of nodes). Due to being +continuous across mapchunk borders the stratum's vertical thickness is +unlimited. +`y_min` and `y_max` define the limits of the ore generation and for performance +reasons should be set as close together as possible but without clipping the +stratum's Y variation. +Each node in the stratum has a 1-in-`clust_scarcity` chance of being ore, so a +solid-ore stratum would require a `clust_scarcity` of 1. +The parameters `clust_num_ores`, `clust_size`, `noise_threshold` and +`random_factor` are ignored by this ore type. + Ore attributes -------------- See section "Flag Specifier Format". @@ -4558,6 +4573,8 @@ Definition tables { ore_type = "scatter", -- See "Ore types" ore = "default:stone_with_coal", + ore_param2 = 3, + -- ^ Facedir rotation. Default is 0 (unchanged rotation) wherein = "default:stone", -- ^ a list of nodenames is supported too clust_scarcity = 8*8*8, |