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LuaVox/Src/Server/SaveBackends/Filesystem.cpp

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#include "Filesystem.hpp"
#include "Server/Abstract.hpp"
#include "Server/SaveBackend.hpp"
#include "TOSLib.hpp"
#include <boost/json/array.hpp>
#include <boost/json/object.hpp>
#include <boost/json/parse.hpp>
#include <boost/json/parser.hpp>
#include <boost/json/serializer.hpp>
#include <boost/json/value.hpp>
#include <memory>
#include <filesystem>
#include <fstream>
#include <string>
#include <vector>
#include <algorithm>
#include <cstring>
namespace LV::Server::SaveBackends {
namespace fs = std::filesystem;
namespace js = boost::json;
namespace {
constexpr uint32_t kRegionVersion = 1;
constexpr size_t kRegionNodeCount = 4 * 4 * 4 * 16 * 16 * 16;
template<typename T>
js::object packIdMap(const std::vector<std::pair<T, std::string>>& map) {
js::object out;
for(const auto& [id, key] : map) {
out[std::to_string(id)] = key;
}
return out;
}
void unpackIdMap(const js::object& obj, std::vector<std::string>& out) {
size_t maxId = 0;
for(const auto& kvp : obj) {
try {
maxId = std::max(maxId, static_cast<size_t>(std::stoul(kvp.key())));
} catch(...) {
continue;
}
}
out.assign(maxId + 1, {});
for(const auto& kvp : obj) {
try {
size_t id = std::stoul(kvp.key());
out[id] = std::string(kvp.value().as_string());
} catch(...) {
continue;
}
}
}
std::string encodeCompressed(const uint8_t* data, size_t size) {
std::u8string compressed = compressLinear(std::u8string_view(reinterpret_cast<const char8_t*>(data), size));
return TOS::Enc::toBase64(reinterpret_cast<const uint8_t*>(compressed.data()), compressed.size());
}
std::u8string decodeCompressed(const std::string& base64) {
if(base64.empty())
return {};
TOS::ByteBuffer buffer = TOS::Enc::fromBase64(base64);
return unCompressLinear(std::u8string_view(reinterpret_cast<const char8_t*>(buffer.data()), buffer.size()));
}
bool writeRegionFile(const fs::path& path, const SB_Region_In& data) {
js::object jobj;
jobj["version"] = kRegionVersion;
{
std::vector<VoxelCube_Region> voxels;
convertChunkVoxelsToRegion(data.Voxels, voxels);
js::object jvoxels;
jvoxels["count"] = static_cast<uint64_t>(voxels.size());
if(!voxels.empty()) {
const uint8_t* raw = reinterpret_cast<const uint8_t*>(voxels.data());
size_t rawSize = sizeof(VoxelCube_Region) * voxels.size();
jvoxels["data"] = encodeCompressed(raw, rawSize);
} else {
jvoxels["data"] = "";
}
jobj["voxels"] = std::move(jvoxels);
jobj["voxels_map"] = packIdMap(data.VoxelsMap);
}
{
js::object jnodes;
const Node* nodePtr = data.Nodes[0].data();
const uint8_t* raw = reinterpret_cast<const uint8_t*>(nodePtr);
size_t rawSize = sizeof(Node) * kRegionNodeCount;
jnodes["data"] = encodeCompressed(raw, rawSize);
jobj["nodes"] = std::move(jnodes);
jobj["nodes_map"] = packIdMap(data.NodeMap);
}
{
js::array ents;
for(const Entity& entity : data.Entityes) {
js::object je;
je["def"] = static_cast<uint64_t>(entity.getDefId());
je["world"] = static_cast<uint64_t>(entity.WorldId);
je["pos"] = js::array{entity.Pos.x, entity.Pos.y, entity.Pos.z};
je["speed"] = js::array{entity.Speed.x, entity.Speed.y, entity.Speed.z};
je["accel"] = js::array{entity.Acceleration.x, entity.Acceleration.y, entity.Acceleration.z};
je["quat"] = js::array{entity.Quat.x, entity.Quat.y, entity.Quat.z, entity.Quat.w};
je["hp"] = static_cast<uint64_t>(entity.HP);
je["abbox"] = js::array{entity.ABBOX.x, entity.ABBOX.y, entity.ABBOX.z};
je["in_region"] = js::array{entity.InRegionPos.x, entity.InRegionPos.y, entity.InRegionPos.z};
js::object tags;
for(const auto& [key, value] : entity.Tags) {
tags[key] = value;
}
je["tags"] = std::move(tags);
ents.push_back(std::move(je));
}
jobj["entities"] = std::move(ents);
jobj["entities_map"] = packIdMap(data.EntityMap);
}
fs::create_directories(path.parent_path());
std::ofstream fd(path, std::ios::binary);
if(!fd)
return false;
fd << js::serialize(jobj);
return true;
}
bool readRegionFile(const fs::path& path, DB_Region_Out& out) {
try {
std::ifstream fd(path, std::ios::binary);
if(!fd)
return false;
out = {};
js::object jobj = js::parse(fd).as_object();
if(auto it = jobj.find("voxels"); it != jobj.end()) {
const js::object& jvoxels = it->value().as_object();
size_t count = 0;
if(auto itCount = jvoxels.find("count"); itCount != jvoxels.end())
count = static_cast<size_t>(itCount->value().to_number<uint64_t>());
std::string base64;
if(auto itData = jvoxels.find("data"); itData != jvoxels.end())
base64 = std::string(itData->value().as_string());
if(count > 0 && !base64.empty()) {
std::u8string raw = decodeCompressed(base64);
if(raw.size() != sizeof(VoxelCube_Region) * count)
return false;
out.Voxels.resize(count);
std::memcpy(out.Voxels.data(), raw.data(), raw.size());
}
}
if(auto it = jobj.find("voxels_map"); it != jobj.end()) {
unpackIdMap(it->value().as_object(), out.VoxelIdToKey);
}
if(auto it = jobj.find("nodes"); it != jobj.end()) {
const js::object& jnodes = it->value().as_object();
std::string base64;
if(auto itData = jnodes.find("data"); itData != jnodes.end())
base64 = std::string(itData->value().as_string());
if(!base64.empty()) {
std::u8string raw = decodeCompressed(base64);
if(raw.size() != sizeof(Node) * kRegionNodeCount)
return false;
std::memcpy(out.Nodes[0].data(), raw.data(), raw.size());
}
}
if(auto it = jobj.find("nodes_map"); it != jobj.end()) {
unpackIdMap(it->value().as_object(), out.NodeIdToKey);
}
if(auto it = jobj.find("entities"); it != jobj.end()) {
const js::array& ents = it->value().as_array();
out.Entityes.reserve(ents.size());
for(const js::value& val : ents) {
const js::object& je = val.as_object();
DefEntityId defId = static_cast<DefEntityId>(je.at("def").to_number<uint64_t>());
Entity entity(defId);
if(auto itWorld = je.find("world"); itWorld != je.end())
entity.WorldId = static_cast<DefWorldId>(itWorld->value().to_number<uint64_t>());
if(auto itPos = je.find("pos"); itPos != je.end()) {
const js::array& arr = itPos->value().as_array();
entity.Pos = Pos::Object(
static_cast<int32_t>(arr.at(0).to_number<int64_t>()),
static_cast<int32_t>(arr.at(1).to_number<int64_t>()),
static_cast<int32_t>(arr.at(2).to_number<int64_t>())
);
}
if(auto itSpeed = je.find("speed"); itSpeed != je.end()) {
const js::array& arr = itSpeed->value().as_array();
entity.Speed = Pos::Object(
static_cast<int32_t>(arr.at(0).to_number<int64_t>()),
static_cast<int32_t>(arr.at(1).to_number<int64_t>()),
static_cast<int32_t>(arr.at(2).to_number<int64_t>())
);
}
if(auto itAccel = je.find("accel"); itAccel != je.end()) {
const js::array& arr = itAccel->value().as_array();
entity.Acceleration = Pos::Object(
static_cast<int32_t>(arr.at(0).to_number<int64_t>()),
static_cast<int32_t>(arr.at(1).to_number<int64_t>()),
static_cast<int32_t>(arr.at(2).to_number<int64_t>())
);
}
if(auto itQuat = je.find("quat"); itQuat != je.end()) {
const js::array& arr = itQuat->value().as_array();
entity.Quat = glm::quat(
static_cast<float>(arr.at(3).to_number<double>()),
static_cast<float>(arr.at(0).to_number<double>()),
static_cast<float>(arr.at(1).to_number<double>()),
static_cast<float>(arr.at(2).to_number<double>())
);
}
if(auto itHp = je.find("hp"); itHp != je.end())
entity.HP = static_cast<uint32_t>(itHp->value().to_number<uint64_t>());
if(auto itAabb = je.find("abbox"); itAabb != je.end()) {
const js::array& arr = itAabb->value().as_array();
entity.ABBOX.x = static_cast<uint64_t>(arr.at(0).to_number<uint64_t>());
entity.ABBOX.y = static_cast<uint64_t>(arr.at(1).to_number<uint64_t>());
entity.ABBOX.z = static_cast<uint64_t>(arr.at(2).to_number<uint64_t>());
}
if(auto itRegion = je.find("in_region"); itRegion != je.end()) {
const js::array& arr = itRegion->value().as_array();
entity.InRegionPos = Pos::GlobalRegion(
static_cast<int16_t>(arr.at(0).to_number<int64_t>()),
static_cast<int16_t>(arr.at(1).to_number<int64_t>()),
static_cast<int16_t>(arr.at(2).to_number<int64_t>())
);
}
if(auto itTags = je.find("tags"); itTags != je.end()) {
const js::object& tags = itTags->value().as_object();
for(const auto& kvp : tags) {
entity.Tags[std::string(kvp.key())] = static_cast<float>(kvp.value().to_number<double>());
}
}
out.Entityes.push_back(std::move(entity));
}
}
if(auto it = jobj.find("entities_map"); it != jobj.end()) {
unpackIdMap(it->value().as_object(), out.EntityToKey);
}
return true;
} catch(const std::exception& exc) {
TOS::Logger("RegionLoader::Filesystem").warn() << "Не удалось загрузить регион " << path << "\n\t" << exc.what();
return false;
}
}
}
class WSB_Filesystem : public IWorldSaveBackend {
fs::path Dir;
public:
WSB_Filesystem(const boost::json::object &data) {
Dir = (std::string) data.at("path").as_string();
}
virtual ~WSB_Filesystem() {
}
fs::path getPath(std::string worldId, Pos::GlobalRegion regionPos) {
return Dir / worldId / std::to_string(regionPos.x) / std::to_string(regionPos.y) / std::to_string(regionPos.z);
}
virtual TickSyncInfo_Out tickSync(TickSyncInfo_In &&data) override {
TickSyncInfo_Out out;
// Сохранение регионов
for(auto& [worldId, regions] : data.ToSave) {
for(auto& [regionPos, region] : regions) {
writeRegionFile(getPath(std::to_string(worldId), regionPos), region);
}
}
// Загрузка регионов
for(auto& [worldId, regions] : data.Load) {
for(const Pos::GlobalRegion& regionPos : regions) {
const fs::path path = getPath(std::to_string(worldId), regionPos);
if(!fs::exists(path)) {
out.NotExisten[worldId].push_back(regionPos);
continue;
}
DB_Region_Out regionOut;
if(!readRegionFile(path, regionOut)) {
out.NotExisten[worldId].push_back(regionPos);
continue;
}
out.LoadedRegions[worldId].push_back({regionPos, std::move(regionOut)});
}
}
return out;
}
virtual void changePreloadDistance(uint8_t value) override {
}
// virtual void load(std::string worldId, Pos::GlobalRegion regionPos, SB_Region *data) {
// std::ifstream fd(getPath(worldId, regionPos));
// js::object jobj = js::parse(fd).as_object();
// {
// js::array &jaVoxels = jobj.at("Voxels").as_array();
// for(js::value &jvVoxel : jaVoxels) {
// js::object &joVoxel = jvVoxel.as_object();
// VoxelCube_Region cube;
// cube.Data = joVoxel.at("Data").as_uint64();
// cube.Left.x = joVoxel.at("LeftX").as_uint64();
// cube.Left.y = joVoxel.at("LeftY").as_uint64();
// cube.Left.z = joVoxel.at("LeftZ").as_uint64();
// cube.Right.x = joVoxel.at("RightX").as_uint64();
// cube.Right.y = joVoxel.at("RightY").as_uint64();
// cube.Right.z = joVoxel.at("RightZ").as_uint64();
// data->Voxels.push_back(cube);
// }
// }
// {
// js::object &joVoxelMap = jobj.at("VoxelsMap").as_object();
// for(js::key_value_pair &jkvp : joVoxelMap) {
// data->VoxelsMap[std::stoul(jkvp.key())] = jkvp.value().as_string();
// }
// }
// }
// virtual void save(std::string worldId, Pos::GlobalRegion regionPos, const SB_Region *data) {
// js::object jobj;
// {
// js::array jaVoxels;
// for(const VoxelCube_Region &cube : data->Voxels) {
// js::object joVoxel;
// joVoxel["Data"] = cube.Data;
// joVoxel["LeftX"] = cube.Left.x;
// joVoxel["LeftY"] = cube.Left.y;
// joVoxel["LeftZ"] = cube.Left.z;
// joVoxel["RightX"] = cube.Right.x;
// joVoxel["RightY"] = cube.Right.y;
// joVoxel["RightZ"] = cube.Right.z;
// jaVoxels.push_back(std::move(joVoxel));
// }
// jobj["Voxels"] = std::move(jaVoxels);
// }
// {
// js::object joVoxelMap;
// for(const auto &pair : data->VoxelsMap) {
// joVoxelMap[std::to_string(pair.first)] = pair.second;
// }
// jobj["VoxelsMap"] = std::move(joVoxelMap);
// }
// fs::create_directories(getPath(worldId, regionPos).parent_path());
// std::ofstream fd(getPath(worldId, regionPos));
// fd << js::serialize(jobj);
// }
};
class PSB_Filesystem : public IPlayerSaveBackend {
fs::path Dir;
public:
PSB_Filesystem(const boost::json::object &data) {
Dir = (std::string) data.at("path").as_string();
}
virtual ~PSB_Filesystem() {
}
fs::path getPath(PlayerId_t playerId) {
return Dir / std::to_string(playerId);
}
virtual bool isAsync() { return false; };
virtual bool isExist(PlayerId_t playerId) {
return fs::exists(getPath(playerId));
}
virtual void load(PlayerId_t playerId, SB_Player *data) {
}
virtual void save(PlayerId_t playerId, const SB_Player *data) {
}
virtual void remove(PlayerId_t playerId) {
}
};
class ASB_Filesystem : public IAuthSaveBackend {
fs::path Dir;
public:
ASB_Filesystem(const boost::json::object &data) {
Dir = (std::string) data.at("path").as_string();
}
virtual ~ASB_Filesystem() {
}
fs::path getPath(std::string playerId) {
return Dir / playerId;
}
virtual bool isAsync() { return false; };
virtual coro<bool> isExist(std::string useranme) override {
co_return fs::exists(getPath(useranme));
}
virtual coro<> rename(std::string prevUsername, std::string newUsername) override {
fs::rename(getPath(prevUsername), getPath(newUsername));
co_return;
}
virtual coro<bool> load(std::string useranme, SB_Auth& data) override {
std::ifstream fd(getPath(useranme));
js::object jobj = js::parse(fd).as_object();
data.Id = jobj.at("Id").as_uint64();
data.PasswordHash = jobj.at("PasswordHash").as_string();
co_return true;
}
virtual coro<> save(std::string playerId, const SB_Auth& data) override {
js::object jobj;
jobj["Id"] = data.Id;
jobj["PasswordHash"] = data.PasswordHash;
fs::create_directories(getPath(playerId).parent_path());
std::ofstream fd(getPath(playerId));
fd << js::serialize(jobj);
co_return;
}
virtual coro<> remove(std::string username) override {
fs::remove(getPath(username));
co_return;
}
};
class MSSB_Filesystem : public IModStorageSaveBackend {
fs::path Dir;
public:
MSSB_Filesystem(const boost::json::object &data) {
Dir = (std::string) data.at("path").as_string();
}
virtual ~MSSB_Filesystem() {
}
virtual bool isAsync() { return false; };
virtual void load(std::string domain, std::string key, std::string *data) {
}
virtual void save(std::string domain, std::string key, const std::string *data) {
}
virtual void remove(std::string domain, std::string key) {
}
virtual void remove(std::string domain) {
}
};
Filesystem::~Filesystem() {
}
bool Filesystem::isAvailable() {
return true;
}
std::string Filesystem::getName() {
return "Filesystem";
}
std::unique_ptr<IWorldSaveBackend> Filesystem::createWorld(boost::json::object data) {
return std::make_unique<WSB_Filesystem>(data);
}
std::unique_ptr<IPlayerSaveBackend> Filesystem::createPlayer(boost::json::object data) {
return std::make_unique<PSB_Filesystem>(data);
}
std::unique_ptr<IAuthSaveBackend> Filesystem::createAuth(boost::json::object data) {
return std::make_unique<ASB_Filesystem>(data);
}
std::unique_ptr<IModStorageSaveBackend> Filesystem::createModStorage(boost::json::object data) {
return std::make_unique<MSSB_Filesystem>(data);
}
}