diff options
Diffstat (limited to 'src/World')
| -rw-r--r-- | src/World/Chunk.cpp | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/World/Chunk.cpp b/src/World/Chunk.cpp index dae66ff..f722655 100644 --- a/src/World/Chunk.cpp +++ b/src/World/Chunk.cpp @@ -99,8 +99,7 @@ void Chunk::parseChunk() { void Chunk::analyzeChunk() { std::shared_ptr<const NBT::ByteTag> lightPopulatedTag = level->get<NBT::ByteTag>("LightPopulated"); - if (!(lightPopulatedTag && lightPopulatedTag->getValue())) - throw std::invalid_argument("light data missing"); + bool lightPopulated = lightPopulatedTag && lightPopulatedTag->getValue(); sections = assertValue(level->get<NBT::ListTag<NBT::CompoundTag>>("Sections")); maxY = (assertValue(sections->back()->get<NBT::ByteTag>("Y"))->getValue() + 1) * SIZE; @@ -126,18 +125,24 @@ void Chunk::analyzeChunk() { for (auto §ion : *sections) { std::shared_ptr<const NBT::ByteArrayTag> blocks = assertValue(section->get<NBT::ByteArrayTag>("Blocks")); std::shared_ptr<const NBT::ByteArrayTag> data = assertValue(section->get<NBT::ByteArrayTag>("Data")); - std::shared_ptr<const NBT::ByteArrayTag> blockLight = assertValue(section->get<NBT::ByteArrayTag>("BlockLight")); - std::shared_ptr<const NBT::ByteArrayTag> skyLight = assertValue(section->get<NBT::ByteArrayTag>("SkyLight")); size_t Y = assertValue(section->get<NBT::ByteTag>("Y"))->getValue(); - if (blocks->getLength() != SIZE*SIZE*SIZE || data->getLength() != SIZE*SIZE*SIZE/2 - || blockLight->getLength() != SIZE*SIZE*SIZE/2 || skyLight->getLength() != SIZE*SIZE*SIZE/2) + if (blocks->getLength() != SIZE*SIZE*SIZE || data->getLength() != SIZE*SIZE*SIZE/2) throw std::invalid_argument("corrupt chunk data"); + if (lightPopulated) { + std::shared_ptr<const NBT::ByteArrayTag> blockLight = assertValue(section->get<NBT::ByteArrayTag>("BlockLight")); + std::shared_ptr<const NBT::ByteArrayTag> skyLight = assertValue(section->get<NBT::ByteArrayTag>("SkyLight")); + + if (blockLight->getLength() != SIZE*SIZE*SIZE/2 || skyLight->getLength() != SIZE*SIZE*SIZE/2) + throw std::invalid_argument("corrupt chunk data"); + + std::memcpy(blockBlockLight.get() + Y*SIZE*SIZE*SIZE/2, blockLight->getValue(), SIZE*SIZE*SIZE/2); + std::memcpy(blockSkyLight.get() + Y*SIZE*SIZE*SIZE/2, skyLight->getValue(), SIZE*SIZE*SIZE/2); + } + std::memcpy(blockIDs.get() + Y*SIZE*SIZE*SIZE, blocks->getValue(), SIZE*SIZE*SIZE); std::memcpy(blockData.get() + Y*SIZE*SIZE*SIZE/2, data->getValue(), SIZE*SIZE*SIZE/2); - std::memcpy(blockBlockLight.get() + Y*SIZE*SIZE*SIZE/2, blockLight->getValue(), SIZE*SIZE*SIZE/2); - std::memcpy(blockSkyLight.get() + Y*SIZE*SIZE*SIZE/2, skyLight->getValue(), SIZE*SIZE*SIZE/2); } } |