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Mgv6: Fix uninitialised heightmap used by cavegen

master
paramat 2015-03-11 05:28:07 +00:00
parent b2b6bbf3e8
commit 29e46d6b29
1 changed files with 4 additions and 2 deletions
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6
src/mapgen_v6.cpp
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@ -56,7 +56,6 @@ MapgenV6::MapgenV6(int mapgenid, MapgenParams *params, EmergeManager *emerge)
this->ystride = csize.X; //////fix this this->ystride = csize.X; //////fix this
this->heightmap = new s16[csize.X * csize.Z]; this->heightmap = new s16[csize.X * csize.Z];
memset(this->heightmap, 0, csize.X * csize.Z * sizeof(*this->heightmap));
MapgenV6Params *sp = (MapgenV6Params *)params->sparams; MapgenV6Params *sp = (MapgenV6Params *)params->sparams;
this->spflags = sp->spflags; this->spflags = sp->spflags;
@ -480,6 +479,9 @@ void MapgenV6::makeChunk(BlockMakeData *data)
generateExperimental(); generateExperimental();
// Create initial heightmap to limit caves
updateHeightmap(node_min, node_max);
const s16 max_spread_amount = MAP_BLOCKSIZE; const s16 max_spread_amount = MAP_BLOCKSIZE;
// Limit dirt flow area by 1 because mud is flown into neighbors. // Limit dirt flow area by 1 because mud is flown into neighbors.
s16 mudflow_minpos = -max_spread_amount + 1; s16 mudflow_minpos = -max_spread_amount + 1;
@ -504,7 +506,7 @@ void MapgenV6::makeChunk(BlockMakeData *data)
} }
// Create heightmap after mudflow // Update heightmap after mudflow
updateHeightmap(node_min, node_max); updateHeightmap(node_min, node_max);
// Add dungeons // Add dungeons