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Allow multiple cave liquids in a biome definition (#8481)

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This allows games to specify biome cave liquids and avoid the old
hardcoded behaviour, but preserves the ability to have multiple
cave liquids in one biome, such as lava and water.

When multiple cave liquids are defined by the biome definition,
make each entire cave use a randomly chosen liquid, instead of
every small cave segment using a randomly chosen liquid.

Plus an optimisation:
Don't place nodes if cave liquid is defined as 'air'
This commit is contained in:
Paramat 2019-05-18 21:13:14 +01:00 • committed by GitHub
parent 6cb6aea969
commit b1b40fef16
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 52 additions and 31 deletions
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3
src/mapgen/mg_biome.cpp
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@ -63,6 +63,7 @@ BiomeManager::BiomeManager(Server *server) :
b->m_nodenames.emplace_back("mapgen_stone");
b->m_nodenames.emplace_back("ignore");
b->m_nodenames.emplace_back("ignore");
b->m_nnlistsizes.push_back(1);
b->m_nodenames.emplace_back("ignore");
b->m_nodenames.emplace_back("ignore");
b->m_nodenames.emplace_back("ignore");
@ -330,7 +331,7 @@ void Biome::resolveNodeNames()
getIdFromNrBacklog(&c_river_water, "mapgen_river_water_source", CONTENT_AIR, false);
getIdFromNrBacklog(&c_riverbed, "mapgen_stone", CONTENT_AIR, false);
getIdFromNrBacklog(&c_dust, "ignore", CONTENT_IGNORE, false);
getIdFromNrBacklog(&c_cave_liquid, "ignore", CONTENT_IGNORE, false);
getIdsFromNrBacklog(&c_cave_liquid);
getIdFromNrBacklog(&c_dungeon, "ignore", CONTENT_IGNORE, false);
getIdFromNrBacklog(&c_dungeon_alt, "ignore", CONTENT_IGNORE, false);
getIdFromNrBacklog(&c_dungeon_stair, "ignore", CONTENT_IGNORE, false);