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feat: world.get_chunk_data(...) saved chunk data when chunk is not loaded

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This commit is contained in:
MihailRis
2025-01-20 01:25:43 +03:00
parent f1f81371af
commit 02a93d8bc3
3 changed files with 36 additions and 16 deletions
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src/voxels/compressed_chunks.cpp
+16 -12
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@@ -2,28 +2,24 @@
#include "coders/rle.hpp"
#include "coders/gzip.hpp"
#include "coders/byte_utils.hpp"
#include "files/WorldFiles.hpp"
#include "voxels/Chunk.hpp"
inline constexpr int HAS_VOXELS = 0x1;
inline constexpr int HAS_METADATA = 0x2;
std::vector<ubyte> compressed_chunks::encode(const Chunk& chunk) {
auto data = chunk.encode();
/// world.get_chunk_data is only available in the main Lua state
static util::Buffer<ubyte> rleBuffer;
if (rleBuffer.size() < CHUNK_DATA_LEN * 2) {
rleBuffer = util::Buffer<ubyte>(CHUNK_DATA_LEN * 2);
}
std::vector<ubyte> compressed_chunks::encode(
const ubyte* data,
const BlocksMetadata& metadata,
util::Buffer<ubyte>& rleBuffer
) {
size_t rleCompressedSize =
extrle::encode16(data.get(), CHUNK_DATA_LEN, rleBuffer.data());
extrle::encode16(data, CHUNK_DATA_LEN, rleBuffer.data());
const auto gzipCompressedData = gzip::compress(
rleBuffer.data(), rleCompressedSize
);
auto metadataBytes = chunk.blocksMetadata.serialize();
auto metadataBytes = metadata.serialize();
ByteBuilder builder(2 + 8 + gzipCompressedData.size() + metadataBytes.size());
builder.put(HAS_VOXELS | HAS_METADATA); // flags
@@ -35,6 +31,14 @@ std::vector<ubyte> compressed_chunks::encode(const Chunk& chunk) {
return builder.build();
}
std::vector<ubyte> compressed_chunks::encode(const Chunk& chunk) {
auto data = chunk.encode();
/// world.get_chunk_data is only available in the main Lua state
static util::Buffer<ubyte> rleBuffer(CHUNK_DATA_LEN * 2);
return encode(data.get(), chunk.blocksMetadata, rleBuffer);
}
static void read_voxel_data(ByteReader& reader, util::Buffer<ubyte>& dst) {
size_t gzipCompressedSize = reader.getInt32();