infinipaint/include/Helpers/NetworkingObjects/NetObjManager.hpp
2025-12-06 14:16:50 +03:00

81 lines
4 KiB
C++

#pragma once
#include <compare>
#include <memory>
#include <unordered_map>
#include <functional>
#include <cereal/archives/portable_binary.hpp>
#include <chrono>
#include <vector>
#include "../Networking/NetClient.hpp"
#include "../Networking/NetServer.hpp"
#include "../Networking/NetLibrary.hpp"
#include "NetObjIDGenerator.hpp"
#include "NetObjManagerTypeList.hpp"
namespace NetworkingObjects {
template <typename T> class NetObjPtr;
class NetObjManager {
public:
NetObjManager(std::shared_ptr<NetObjIDGenerator> initIDGen, std::shared_ptr<NetObjManagerTypeList> initTypeList);
void read_update_message(cereal::PortableBinaryInputArchive& a);
void set_client(std::shared_ptr<NetClient> initClient, MessageCommandType initUpdateCommandID);
void set_server(std::shared_ptr<NetServer> initServer, MessageCommandType initUpdateCommandID);
template <typename T> NetObjPtr<T> read_create_message(cereal::PortableBinaryInputArchive& a) {
NetObjID id;
NetTypeIDType typeID;
a(id, typeID);
auto& netTypeIDData = typeList->netTypeIDData[typeID];
std::shared_ptr<void> sharedPtr = netTypeIDData.allocatorFunc();
auto [it, placed] = objectData.emplace(id, typeID, sharedPtr);
if(!placed)
throw std::runtime_error("[NetObjManager::read_create_message] ID Collision on object creation");
netTypeIDData.readConstructorFunc(sharedPtr.get(), a);
return NetObjPtr<T>(id, std::static_pointer_cast<T>(sharedPtr));
}
template <typename T> NetObjPtr<T> read_get_obj_from_message(cereal::PortableBinaryInputArchive& a) {
NetObjID id;
a(id);
auto it = objectData.find(id);
if(it == objectData.end())
return NetObjPtr<T>();
return NetObjPtr<T>(id, std::static_pointer_cast<T>(it->second.p));
}
template <typename T, typename... Args> NetObjPtr<T> make_obj(Args&&... items) {
auto sharedPtr = std::make_shared<T>(items...);
NetObjID newID = idGen->gen();
if(!objectData.emplace(newID, typeList->typeIndexData[std::type_index(typeid(T))].netTypeID, sharedPtr).second)
throw std::runtime_error("[NetObjManager::make_obj] ID Collision");
return NetObjPtr<T>(newID, sharedPtr);
}
template <typename T> NetObjPtr<T> obj_from_ptr(T* p) {
std::shared_ptr<T> sharedPtr(p);
NetObjID newID = idGen->gen();
if(!objectData.emplace(newID, typeList->typeIndexData[std::type_index(typeid(T))].netTypeID, sharedPtr).second)
throw std::runtime_error("[NetObjManager::obj_from_ptr] ID Collision");
return NetObjPtr<T>(newID, sharedPtr);
}
template <typename T> NetObjPtr<T> get_obj_from_id(NetObjID id) {
auto it = objectData.find(id);
if(it == objectData.end())
throw std::runtime_error("[NetObjManager::get_obj_from_id] ID doesn't exist");
return NetObjPtr<T>(id, std::static_pointer_cast<T>(it->second.p));
}
private:
template <typename T> friend class NetObjPtr;
struct SingleObjectData {
NetTypeIDType netTypeID;
std::shared_ptr<void> p;
std::optional<std::chrono::time_point<std::chrono::steady_clock>> timeSinceNoReference;
};
std::shared_ptr<NetClient> client;
std::shared_ptr<NetServer> server;
MessageCommandType updateCommandID;
std::unordered_map<NetObjID, SingleObjectData> objectData;
std::shared_ptr<NetObjIDGenerator> idGen;
std::shared_ptr<NetObjManagerTypeList> typeList;
NetTypeIDType nextTypeID;
};
}