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Grass checks for sufficient light before spreading

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Alexander Harkness 2015-03-05 19:29:57 +00:00 committed by Tiger Wang
parent 78120db487
commit 7348bf3853
1 changed files with 13 additions and 1 deletions
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14
src/Blocks/BlockDirt.h
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@ -52,7 +52,19 @@ public:
return; return;
} }
} }
// Make sure that there is enough light at the source block to spread
if (!a_Chunk.GetWorld()->IsChunkLighted(a_Chunk.GetPosX(), a_Chunk.GetPosZ()))
{
a_Chunk.GetWorld()->QueueLightChunk(a_Chunk.GetPosX(), a_Chunk.GetPosZ());
return;
}
else if (std::max(a_Chunk.GetBlockLight(a_RelX, a_RelY + 1, a_RelZ), a_Chunk.GetTimeAlteredLight(a_Chunk.GetSkyLight(a_RelX, a_RelY + 1, a_RelZ))) < 9)
{
// Source block is not bright enough to spread
return;
}
// Grass spreads to adjacent dirt blocks: // Grass spreads to adjacent dirt blocks:
cFastRandom rand; cFastRandom rand;
for (int i = 0; i < 2; i++) // Pick two blocks to grow to for (int i = 0; i < 2; i++) // Pick two blocks to grow to