diff options
Diffstat (limited to 'src/Blocks/BlockVines.h')
| -rw-r--r-- | src/Blocks/BlockVines.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/Blocks/BlockVines.h b/src/Blocks/BlockVines.h index a23ba1489..edbd30f36 100644 --- a/src/Blocks/BlockVines.h +++ b/src/Blocks/BlockVines.h @@ -119,15 +119,16 @@ private: } // Check if vine above us, add its meta to MaxMeta: - if ((a_Position.y < cChunkDef::Height - 1) && (a_Chunk.GetBlock(a_Position.addedY(1)) == E_BLOCK_VINES)) + const auto AbovePos = a_Position.addedY(1); + if (cChunkDef::IsValidHeight(AbovePos) && (a_Chunk.GetBlock(AbovePos) == E_BLOCK_VINES)) { - MaxMeta |= a_Chunk.GetMeta(a_Position.addedY(1)); + MaxMeta |= a_Chunk.GetMeta(AbovePos); } NIBBLETYPE Common = a_CurrentMeta & MaxMeta; // Neighbors that we have and are legal. if (Common != a_CurrentMeta) { - bool HasTop = (a_Position.y < (cChunkDef::Height - 1)) && IsBlockAttachable(a_Chunk.GetBlock(a_Position.addedY(1))); + bool HasTop = cChunkDef::IsValidHeight(AbovePos) && IsBlockAttachable(a_Chunk.GetBlock(AbovePos)); if ((Common == 0) && !HasTop) // Meta equals 0 also means top. Make a last-ditch attempt to save the vine. { return VINE_LOST_SUPPORT; |