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-rw-r--r--src/Section.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/Section.cpp b/src/Section.cpp
index 29a6a0e..4a15c58 100644
--- a/src/Section.cpp
+++ b/src/Section.cpp
@@ -42,7 +42,10 @@ Section::Section(Vector pos, unsigned char bitsPerBlock, std::vector<unsigned sh
this->block = std::move(blockData);
this->palette = std::move(palette);
std::copy(lightData.begin(), lightData.end(), light);
- std::copy(skyData.begin(), skyData.end(), sky);
+ if (!skyData.empty())
+ std::copy(skyData.begin(), skyData.end(), sky);
+ else
+ memset(sky, 0, sizeof(sky));
hash = -1;
CalculateHash();