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Allow more than 255 biomes, document new maximum (#9855)

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Change biomemap data type from u8 to u16.
New technical (not practical) maximum is 65535 biomes.
This commit is contained in:
Paramat
2020-05-20 22:16:14 +01:00
committed by GitHub
parent c47a680db7
commit 42fcfb75e8
11 changed files with 55 additions and 45 deletions
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6
src/mapgen/mg_decoration.cpp
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@@ -206,8 +206,7 @@ size_t Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
// All-surfaces decorations
// Check biome of column
if (mg->biomemap && !biomes.empty()) {
std::unordered_set<u8>::const_iterator iter =
biomes.find(mg->biomemap[mapindex]);
auto iter = biomes.find(mg->biomemap[mapindex]);
if (iter == biomes.end())
continue;
}
@@ -259,8 +258,7 @@ size_t Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax)
continue;
if (mg->biomemap && !biomes.empty()) {
std::unordered_set<u8>::const_iterator iter =
biomes.find(mg->biomemap[mapindex]);
auto iter = biomes.find(mg->biomemap[mapindex]);
if (iter == biomes.end())
continue;
}