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Remove unnecessary copy of a big data structure
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@ -73,7 +73,7 @@ struct MapEditEvent
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modified_blocks.push_back(getNodeBlockPos(pos));
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}
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void setModifiedBlocks(const std::map<v3s16, MapBlock *> blocks)
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void setModifiedBlocks(const std::map<v3s16, MapBlock *>& blocks)
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{
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assert(modified_blocks.empty()); // only meant for initialization (once)
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modified_blocks.reserve(blocks.size());
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