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VanillaFluidSimulator: Fixed an invalid Y-coord query.

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This was causing a spam of console messages, along with possible server crash, when liquids passed below the world: http://forum.mc-server.org/showthread.php?tid=1508&pid=15632#pid15632
This commit is contained in:
Mattes D 2014-08-29 14:58:41 +03:00
parent 97c4c057e4
commit d0551e2e0a
1 changed files with 1 additions and 1 deletions
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2
src/Simulator/VanillaFluidSimulator.cpp
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@ -98,7 +98,7 @@ int cVanillaFluidSimulator::CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int
}
// Check if block below is passable
if (!a_Chunk->UnboundedRelGetBlock(a_RelX, a_RelY - 1, a_RelZ, BlockType, BlockMeta))
if ((a_RelY > 0) && !a_Chunk->UnboundedRelGetBlock(a_RelX, a_RelY - 1, a_RelZ, BlockType, BlockMeta))
{
return Cost;
}