diff options
Diffstat (limited to 'src/mapgen_v5.cpp')
| -rw-r--r-- | src/mapgen_v5.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mapgen_v5.cpp b/src/mapgen_v5.cpp index 0bb3715a8..e9b1b58b3 100644 --- a/src/mapgen_v5.cpp +++ b/src/mapgen_v5.cpp @@ -519,6 +519,12 @@ void MapgenV5::generateCaves(int max_stone_y) for (s16 y = node_min.Y - 1; y <= node_max.Y + 1; y++) { u32 vi = vm->m_area.index(node_min.X, y, z); for (s16 x = node_min.X; x <= node_max.X; x++, vi++, index++) { + // Don't excavate the overgenerated stone at node_max.Y + 1, + // this creates a 'roof' over the tunnel, preventing light in + // tunnels at mapchunk borders when generating mapchunks upwards. + if (y > node_max.Y) + continue; + float d1 = contour(noise_cave1->result[index]); float d2 = contour(noise_cave2->result[index]); if (d1 * d2 > 0.125f) { |