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Fix for starting with empty spanners (due to LOD), then adding.

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This commit is contained in:
Andrzej Kapolka 2014-07-10 17:21:05 -07:00
parent d858e20af2
commit d121c8e07a
1 changed files with 8 additions and 0 deletions
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8
libraries/metavoxels/src/AttributeRegistry.cpp
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@ -568,6 +568,10 @@ void SpannerSetAttribute::readMetavoxelRoot(MetavoxelData& data, MetavoxelStream
}
data.insert(state.attribute, object);
}
// even if the root is empty, it should still exist
if (!data.getRoot(state.attribute)) {
data.createRoot(state.attribute);
}
}
void SpannerSetAttribute::writeMetavoxelRoot(const MetavoxelNode& root, MetavoxelStreamState& state) {
@ -586,6 +590,10 @@ void SpannerSetAttribute::readMetavoxelDelta(MetavoxelData& data,
}
data.toggle(state.attribute, object);
}
// even if the root is empty, it should still exist
if (!data.getRoot(state.attribute)) {
data.createRoot(state.attribute);
}
}
void SpannerSetAttribute::writeMetavoxelDelta(const MetavoxelNode& root,