diff options
Diffstat (limited to 'src/World/Chunk.cpp')
| -rw-r--r-- | src/World/Chunk.cpp | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/World/Chunk.cpp b/src/World/Chunk.cpp index 90ad21f..c2c59e0 100644 --- a/src/World/Chunk.cpp +++ b/src/World/Chunk.cpp @@ -27,6 +27,7 @@ #include "Chunk.hpp" #include "../Util.hpp" #include "../NBT/ByteTag.hpp" +#include "../NBT/ByteArrayTag.hpp" #include <iostream> #include <stdexcept> @@ -82,15 +83,32 @@ void Chunk::parseChunk() { if (!(*this) || tag.first != "") throw std::invalid_argument("invalid root tag"); - sections = (*this)->get<const NBT::ListTag<NBT::CompoundTag>>("Level", "Sections"); - if (!sections) - throw std::invalid_argument("no sections found"); + level = assertValue((*this)->get<NBT::CompoundTag>("Level")); + sections = assertValue(level->get<NBT::ListTag<NBT::CompoundTag>>("Sections")); } void Chunk::analyzeChunk() { maxY = (assertValue(sections->back()->get<NBT::ByteTag>("Y"))->getValue() + 1) * SIZE; - std::cerr << "maxY: " << maxY << std::endl; + for (auto §ion : *sections) { + if (assertValue(section->get<NBT::ByteArrayTag>("Blocks"))->getLength() != SIZE*SIZE*SIZE + || assertValue(section->get<NBT::ByteArrayTag>("Data"))->getLength() != SIZE*SIZE*SIZE/2) + throw std::invalid_argument("corrupt chunk data"); + } +} + +uint8_t Chunk::getBlockAt(const std::shared_ptr<const NBT::CompoundTag> §ion, size_t x, size_t y, size_t z) { + return (*section->get<NBT::ByteArrayTag>("Blocks"))[getIndex(x, y, z)]; +} + +uint8_t Chunk::getDataAt(const std::shared_ptr<const NBT::CompoundTag> §ion, size_t x, size_t y, size_t z) { + size_t i = getIndex(x, y, z); + uint8_t v = (*section->get<NBT::ByteArrayTag>("Data"))[i / 2]; + + if (i % 2) + return (v >> 4); + else + return (v & 0xf); } Chunk::Chunk(uint8_t *buffer, size_t buflen) { |