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Generate biomes: Recalculate biome at biome lower limit

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Prevents biome nodes passing below the defined y_min of that biome.
This commit is contained in:
paramat
2017-09-16 02:46:26 +01:00
committed by paramat
parent 808ada11db
commit a1389c3865
2 changed files with 9 additions and 18 deletions
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10
doc/lua_api.txt
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@ -4630,9 +4630,6 @@ Definition tables
### Biome definition (`register_biome`)
**Note**
The Biome API is still in an experimental phase and subject to change.
{
name = "tundra",
node_dust = "default:snow",
@ -4659,13 +4656,6 @@ The Biome API is still in an experimental phase and subject to change.
y_max = 31000,
-- ^ Lower and upper limits for biome.
-- ^ Limits are relative to y = water_level - 1.
-- ^ 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.