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Biome generation: Fix layers of 'filler' nodes at biome y limits

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Error was exposed by commit a1389c3865
'nplaced' was not set to U16_MAX when biome 'stone' was placed, so when
biome was recalculated in a column of stone, the 'nplaced' value
caused a few remaining filler nodes to be placed.
Occurs when the lower biome has a deeper depth of 'top' plus 'filler'
than the upper biome.
This commit is contained in:
paramat
2017-09-17 02:54:17 +01:00
committed by paramat
parent 5b6d4482ee
commit 76817fdf98
1 changed files with 1 additions and 0 deletions
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src/mapgen.cpp
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@@ -722,6 +722,7 @@ void MapgenBasic::generateBiomes(MgStoneType *mgstone_type,
nplaced++; nplaced++;
} else { } else {
vm->m_data[vi] = MapNode(biome->c_stone); vm->m_data[vi] = MapNode(biome->c_stone);
nplaced = U16_MAX; // Disable top/filler placement
} }
air_above = false; air_above = false;