GameOver.hpp

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/*
** EPITECH PROJECT, 2025
** Created on 09/12/2025.
** File description:
** GameOver.hpp
*/
 
#pragma once
 
#include <capnp/message.h>
#include <capnp/serialize.h>
#include <cstdint>
#include <string>
#include <vector>
#include "schemas/s2c_messages.capnp.h"
 
namespace RType::Messages::S2C {
 
    class GameOver {
       public:
        std::string reason;
 
        GameOver() = default;
        explicit GameOver(const std::string &r) : reason(r) {}
 
        [[nodiscard]] std::vector<uint8_t> serialize() const {
            capnp::MallocMessageBuilder message;
            auto builder = message.initRoot<::GameOver>();
            builder.setReason(reason);
 
            auto bytes = capnp::messageToFlatArray(message);
            auto byteArray = bytes.asBytes();
            return std::vector<uint8_t>(byteArray.begin(), byteArray.end());
        }
 
        static GameOver deserialize(const std::vector<uint8_t> &data) {
            // Ensure buffer is word-aligned for Cap'n Proto (undefined behavior if not)
            KJ_REQUIRE(data.size() % sizeof(capnp::word) == 0,
                       "Serialized data size must be a multiple of capnp::word");
            auto aligned = kj::heapArray<uint8_t>(data.size());
            memcpy(aligned.begin(), data.data(), data.size());
            kj::ArrayPtr<const capnp::word> words(reinterpret_cast<const capnp::word *>(aligned.begin()),
                                                  data.size() / sizeof(capnp::word));
 
            capnp::FlatArrayMessageReader message(words);
            auto reader = message.getRoot<::GameOver>();
 
            return GameOver(reader.getReason().cStr());
        }
    };
 
}  // namespace RType::Messages::S2C