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Fixed paging example.

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This commit is contained in:
David Williams 2013-07-31 15:49:00 +02:00
parent 4478e365c9
commit e35b58ba18
1 changed files with 10 additions and 3 deletions
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13
examples/Paging/main.cpp
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@ -93,7 +93,9 @@ public:
virtual void pageIn(const PolyVox::Region& region, CompressedBlock<MaterialDensityPair44>* pBlockData) virtual void pageIn(const PolyVox::Region& region, CompressedBlock<MaterialDensityPair44>* pBlockData)
{ {
/*pBlockData->createUncompressedData(); // FIXME - this isn't a great example... it's a shame we have to hard clode the block size and also create/destroy
// a compressor each time. These could at least be moved outside somewhere if we can't fix it in a better way...
UncompressedBlock<MaterialDensityPair44> block(256);
Perlin perlin(2,2,1,234); Perlin perlin(2,2,1,234);
@ -131,10 +133,15 @@ public:
// Voxel position within a block always start from zero. So if a block represents region (4, 8, 12) to (11, 19, 15) // Voxel position within a block always start from zero. So if a block represents region (4, 8, 12) to (11, 19, 15)
// then the valid block voxels are from (0, 0, 0) to (7, 11, 3). Hence we subtract the lower corner position of the // then the valid block voxels are from (0, 0, 0) to (7, 11, 3). Hence we subtract the lower corner position of the
// region from the volume space position in order to get the block space position. // region from the volume space position in order to get the block space position.
pBlockData->setVoxelAt(x - region.getLowerX(), y - region.getLowerY(), z - region.getLowerZ(), voxel); block.setVoxelAt(x - region.getLowerX(), y - region.getLowerY(), z - region.getLowerZ(), voxel);
} }
} }
}*/ }
// Now compress the computed data into the provided block.
RLEBlockCompressor<MaterialDensityPair44>* compressor = new RLEBlockCompressor<MaterialDensityPair44>();
compressor->compress(&block, pBlockData);
delete compressor;
} }
virtual void pageOut(const PolyVox::Region& region, CompressedBlock<MaterialDensityPair44>* /*pBlockData*/) virtual void pageOut(const PolyVox::Region& region, CompressedBlock<MaterialDensityPair44>* /*pBlockData*/)