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Crash fix.

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This commit is contained in:
David Williams 2014-09-17 21:04:47 +02:00
parent 37f1ddaed2
commit 98526d38d3
1 changed files with 22 additions and 20 deletions
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8
library/PolyVoxCore/include/PolyVoxCore/LargeVolume.inl
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@ -547,7 +547,8 @@ namespace PolyVox
// The block was found so we can use it. // The block was found so we can use it.
pUncompressedBlock = itUncompressedBlock->second; pUncompressedBlock = itUncompressedBlock->second;
} }
else
if (!pUncompressedBlock)
{ {
// There's some (slim) chance that it exists in the list of all blocks, because a sampler may be holding on to it. // There's some (slim) chance that it exists in the list of all blocks, because a sampler may be holding on to it.
typename WeakPtrBlockMap::iterator itWeakUncompressedBlock = m_pAllBlocks.find(v3dBlockPos); typename WeakPtrBlockMap::iterator itWeakUncompressedBlock = m_pAllBlocks.find(v3dBlockPos);
@ -564,7 +565,9 @@ namespace PolyVox
m_pAllBlocks.erase(itWeakUncompressedBlock); m_pAllBlocks.erase(itWeakUncompressedBlock);
} }
} }
else }
if (!pUncompressedBlock)
{ {
// The block was not found so we will create a new one. // The block was not found so we will create a new one.
pUncompressedBlock = std::make_shared< UncompressedBlock<VoxelType> >(v3dBlockPos, m_uBlockSideLength, m_pPager); pUncompressedBlock = std::make_shared< UncompressedBlock<VoxelType> >(v3dBlockPos, m_uBlockSideLength, m_pPager);
@ -590,7 +593,6 @@ namespace PolyVox
m_pAllBlocks.insert(std::make_pair(v3dBlockPos, pUncompressedBlock)); m_pAllBlocks.insert(std::make_pair(v3dBlockPos, pUncompressedBlock));
m_pRecentlyUsedBlocks.insert(std::make_pair(v3dBlockPos, pUncompressedBlock)); m_pRecentlyUsedBlocks.insert(std::make_pair(v3dBlockPos, pUncompressedBlock));
} }
}
pUncompressedBlock->m_uBlockLastAccessed = ++m_uTimestamper; pUncompressedBlock->m_uBlockLastAccessed = ++m_uTimestamper;
m_pLastAccessedBlock = pUncompressedBlock; m_pLastAccessedBlock = pUncompressedBlock;