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Randomwalk caves: Extend beyond mapchunk vertically also (#9094) 

Previously, randomwalk caves only extended beyond the mapchunk
borders horizontally, preventing vertical overlap and
interconnection.
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Paramat 2019-11-10 01:41:20 +00:00 committed by GitHub
parent d961ece144
commit 3b0df9760b
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1 changed files with 5 additions and 3 deletions
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8
src/mapgen/cavegen.cpp
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@ -366,11 +366,13 @@ void CavesRandomWalk::makeCave(MMVManip *vm, v3s16 nmin, v3s16 nmax,
// Area starting point in nodes
of = node_min;
// Allow a bit more (this should be more than the maximum radius of the tunnel)
// Allow caves to extend up to 16 nodes beyond the mapchunk edge, to allow
// connecting with caves of neighbor mapchunks.
// 'insure' is needed to avoid many 'out of voxelmanip' cave nodes.
const s16 insure = 2;
s16 more = MYMAX(MAP_BLOCKSIZE - max_tunnel_diameter / 2 - insure, 1);
ar += v3s16(1, 0, 1) * more * 2;
of -= v3s16(1, 0, 1) * more;
ar += v3s16(1, 1, 1) * more * 2;
of -= v3s16(1, 1, 1) * more;
route_y_min = 0;
// Allow half a diameter + 7 over stone surface