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Mapgen flags: Add 'biomes' global mapgen flag (#7355)

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Previously the only way to disable biomes was to 'clear' the registered
biomes in a mod, but this method causes large amounts of unnecessary
processing:
1. Calculation of 4 2D noises.
2. Looping through all nodes of a mapchunk replacing nodes with identical
nodes.
The new flag disables those operations.
This commit is contained in:
Paramat 2018-06-08 23:24:36 +01:00 • committed by GitHub
parent 9ca37d86a3
commit 0b23253447
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 44 additions and 20 deletions
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3
src/mapgen/mapgen.cpp
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@ -56,7 +56,8 @@ FlagDesc flagdesc_mapgen[] = {
{"dungeons", MG_DUNGEONS},
{"light", MG_LIGHT},
{"decorations", MG_DECORATIONS},
{NULL, 0}
{"biomes", MG_BIOMES},
{NULL, 0}
};
FlagDesc flagdesc_gennotify[] = {