diff options
Diffstat (limited to 'src/game/shared/world/voxel_storage.cc')
| -rw-r--r-- | src/game/shared/world/voxel_storage.cc | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/game/shared/world/voxel_storage.cc b/src/game/shared/world/voxel_storage.cc new file mode 100644 index 0000000..68e261c --- /dev/null +++ b/src/game/shared/world/voxel_storage.cc @@ -0,0 +1,48 @@ +#include "shared/pch.hh" + +#include "shared/world/voxel_storage.hh" + +#include "core/io/buffer.hh" + +void world::VoxelStorage::serialize(io::WriteBuffer& buffer) const +{ + auto bound = mz_compressBound(sizeof(VoxelStorage)); + auto zdata = std::vector<unsigned char>(bound); + + VoxelStorage net_storage; + + for(std::size_t i = 0; i < CHUNK_VOLUME; ++i) { + // Convert voxel indices into network byte order; + // We're going to compress them but we still want + // the order to be consistent across all the platforms + net_storage[i] = ENET_HOST_TO_NET_16(at(i)); + } + + mz_compress(zdata.data(), &bound, reinterpret_cast<unsigned char*>(net_storage.data()), sizeof(VoxelStorage)); + + buffer.write<std::uint64_t>(bound); + + // Write all the compressed data into the buffer + for(std::size_t i = 0; i < bound; buffer.write<std::uint8_t>(zdata[i++])) { + // empty + } +} + +void world::VoxelStorage::deserialize(io::ReadBuffer& buffer) +{ + auto size = static_cast<mz_ulong>(sizeof(VoxelStorage)); + auto bound = static_cast<mz_ulong>(buffer.read<std::uint64_t>()); + auto zdata = std::vector<unsigned char>(bound); + + // Read all the compressed data from the buffer + for(std::size_t i = 0; i < bound; zdata[i++] = buffer.read<std::uint8_t>()) { + // empty + } + + mz_uncompress(reinterpret_cast<unsigned char*>(data()), &size, zdata.data(), bound); + + for(std::size_t i = 0; i < CHUNK_VOLUME; ++i) { + // Convert voxel indices back into the host byte order + at(i) = ENET_NET_TO_HOST_16(at(i)); + } +} |
