Claude's Hyperion recreation

// HyperionAnticheat.h - Core header for Hyperion Anticheat System
#pragma once

#include <vector>
#include <memory>
#include <string>
#include <unordered_map>
#include <functional>
#include <chrono>
#include <thread>
#include <mutex>
#include <atomic>
#include <queue>
#include <random>

namespace Hyperion {

// Forward declarations
class Entity;
class Player;
class Server;
class Module;
class GameInstance;
class DetectionEvent;

// Detection severity levels
enum class DetectionSeverity {
    INFO,       // Suspicious but not necessarily malicious
    WARNING,    // Likely malicious but with potential false positives
    CRITICAL    // Almost certainly malicious with minimal false positive risk
};

// Detection categories
enum class DetectionCategory {
    SPEED_HACK,
    TELEPORT_HACK,
    FLY_HACK,
    NOCLIP_HACK,
    ANIMATION_EXPLOIT,
    WEAPON_EXPLOIT,
    SERVER_CRASH_ATTEMPT,
    MEMORY_MANIPULATION,
    CLIENT_INTEGRITY,
    INJECTION,
    PACKET_MANIPULATION,
    SUSPICIOUS_BEHAVIOR
};

// Vector and transformation classes
struct Vec2 {
    float x, y;

    Vec2() : x(0.0f), y(0.0f) {}
    Vec2(float _x, float _y) : x(_x), y(_y) {}

    float Length() const;
    Vec2 Normalized() const;
    // Additional vector operations...
};

struct Vec3 {
    float x, y, z;

    Vec3() : x(0.0f), y(0.0f), z(0.0f) {}
    Vec3(float _x, float _y, float _z) : x(_x), y(_y), z(_z) {}

    float Length() const;
    Vec3 Normalized() const;
    float DistanceTo(const Vec3& other) const;
    // Additional vector operations...
};

// Base component class
class Component {
public:
    Component(Entity* owner) : m_Owner(owner), m_IsActive(true) {}
    virtual ~Component() = default;

    virtual void Initialize() {}
    virtual void Update(float deltaTime) {}
    virtual void Shutdown() {}

    bool IsActive() const { return m_IsActive; }
    void SetActive(bool active) { m_IsActive = active; }
    Entity* GetOwner() const { return m_Owner; }

protected:
    Entity* m_Owner;
    bool m_IsActive;
};

// Entity class (represents players, objects, etc.)
class Entity {
public:
    Entity(const std::string& name, uint64_t id);
    ~Entity();

    void Update(float deltaTime);

    const std::string& GetName() const { return m_Name; }
    uint64_t GetID() const { return m_EntityID; }

    const Vec3& GetPosition() const { return m_Position; }
    void SetPosition(const Vec3& position);

    const Vec3& GetRotation() const { return m_Rotation; }
    void SetRotation(const Vec3& rotation);

    const Vec3& GetScale() const { return m_Scale; }
    void SetScale(const Vec3& scale);

    const Vec3& GetVelocity() const { return m_Velocity; }
    void SetVelocity(const Vec3& velocity);

    template<typename T, typename... Args>
    T* AddComponent(Args&&... args) {
        static_assert(std::is_base_of<Component, T>::value, "T must derive from Component");

        auto component = std::make_unique<T>(this, std::forward<Args>(args)...);
        T* componentPtr = component.get();
        m_Components.push_back(std::move(component));

        componentPtr->Initialize();
        return componentPtr;
    }

    template<typename T>
    T* GetComponent() const {
        for (const auto& component : m_Components) {
            if (auto derivedComponent = dynamic_cast<T*>(component.get())) {
                return derivedComponent;
            }
        }
        return nullptr;
    }

private:
    std::string m_Name;
    uint64_t m_EntityID;

    Vec3 m_Position;
    Vec3 m_Rotation;
    Vec3 m_Scale;
    Vec3 m_Velocity;

    std::vector<std::unique_ptr<Component>> m_Components;
};

// Player class (extends Entity)
class Player : public Entity {
public:
    Player(const std::string& name, uint64_t id, uint64_t userID);

    uint64_t GetUserID() const { return m_UserID; }

    float GetLastMovementTime() const { return m_LastMovementTime; }
    void SetLastMovementTime(float time) { m_LastMovementTime = time; }

    const std::unordered_map<std::string, float>& GetMovementStats() const { return m_MovementStats; }
    void SetMovementStat(const std::string& stat, float value) { m_MovementStats[stat] = value; }
    float GetMovementStat(const std::string& stat) const;

    void AddDetection(DetectionCategory category, DetectionSeverity severity, const std::string& reason);
    void ClearDetections();
    int GetViolationCount() const { return m_ViolationCount; }
    int GetViolationScore() const { return m_ViolationScore; }

    void Ban(const std::string& reason, int durationMinutes = 0);
    void Kick(const std::string& reason);
    bool IsBanned() const { return m_IsBanned; }

private:
    uint64_t m_UserID;
    float m_LastMovementTime;
    std::unordered_map<std::string, float> m_MovementStats;

    int m_ViolationCount;
    int m_ViolationScore;
    std::vector<DetectionEvent> m_Detections;

    bool m_IsBanned;
    std::string m_BanReason;
    std::chrono::time_point<std::chrono::system_clock> m_BanExpiration;
};

// Detection event class
class DetectionEvent {
public:
    DetectionEvent(
        Player* player,
        DetectionCategory category,
        DetectionSeverity severity,
        const std::string& reason,
        std::chrono::system_clock::time_point timestamp
    );

    Player* GetPlayer() const { return m_Player; }
    DetectionCategory GetCategory() const { return m_Category; }
    DetectionSeverity GetSeverity() const { return m_Severity; }
    const std::string& GetReason() const { return m_Reason; }
    std::chrono::system_clock::time_point GetTimestamp() const { return m_Timestamp; }

    std::string ToString() const;

private:
    Player* m_Player;
    DetectionCategory m_Category;
    DetectionSeverity m_Severity;
    std::string m_Reason;
    std::chrono::system_clock::time_point m_Timestamp;
};

// Base module class for anticheat functionality
class Module {
public:
    Module(const std::string& name);
    virtual ~Module() = default;

    virtual void Initialize() = 0;
    virtual void Update(float deltaTime) = 0;
    virtual void Shutdown() = 0;

    const std::string& GetName() const { return m_Name; }
    bool IsEnabled() const { return m_Enabled; }
    void SetEnabled(bool enabled) { m_Enabled = enabled; }

protected:
    std::string m_Name;
    bool m_Enabled;
};

// Specific anticheat modules
class SpeedHackDetector : public Module {
public:
    SpeedHackDetector();

    void Initialize() override;
    void Update(float deltaTime) override;
    void Shutdown() override;

    void SetMaxSpeed(float maxSpeed) { m_MaxSpeed = maxSpeed; }
    float GetMaxSpeed() const { return m_MaxSpeed; }

    void SetTeleportThreshold(float threshold) { m_TeleportThreshold = threshold; }
    float GetTeleportThreshold() const { return m_TeleportThreshold; }

private:
    float m_MaxSpeed;
    float m_TeleportThreshold;
    float m_DetectionCooldown;
    std::unordered_map<uint64_t, std::chrono::system_clock::time_point> m_LastDetections;
};

class FlyHackDetector : public Module {
public:
    FlyHackDetector();

    void Initialize() override;
    void Update(float deltaTime) override;
    void Shutdown() override;

    void SetMaxAirTime(float maxAirTime) { m_MaxAirTime = maxAirTime; }
    float GetMaxAirTime() const { return m_MaxAirTime; }

private:
    float m_MaxAirTime;
    float m_GravityThreshold;
    std::unordered_map<uint64_t, float> m_PlayerAirTime;
};

class ClientIntegrityChecker : public Module {
public:
    ClientIntegrityChecker();

    void Initialize() override;
    void Update(float deltaTime) override;
    void Shutdown() override;

    void AddHashCheck(const std::string& filename, const std::string& expectedHash);
    void PerformClientCheck(Player* player);

private:
    struct HashCheck {
        std::string filename;
        std::string expectedHash;
    };

    std::vector<HashCheck> m_HashChecks;
    float m_CheckInterval;
    float m_TimeUntilNextCheck;
};

// Main Hyperion Engine class
class Engine {
public:
    static Engine* GetInstance();

    bool Initialize(const std::string& gameName, int maxPlayers);
    void Shutdown();
    void Update();

    void SetTickRate(int tickRate) { m_TickRate = tickRate; }
    int GetTickRate() const { return m_TickRate; }

    template<typename T, typename... Args>
    T* RegisterModule(Args&&... args) {
        static_assert(std::is_base_of<Module, T>::value, "T must derive from Module");

        auto module = std::make_unique<T>(std::forward<Args>(args)...);
        T* modulePtr = module.get();
        m_Modules.push_back(std::move(module));

        if (IsInitialized()) {
            modulePtr->Initialize();
        }

        return modulePtr;
    }

    template<typename T>
    T* GetModule() const {
        for (const auto& module : m_Modules) {
            if (auto derivedModule = dynamic_cast<T*>(module.get())) {
                return derivedModule;
            }
        }
        return nullptr;
    }

    void AddPlayer(std::shared_ptr<Player> player);
    void RemovePlayer(uint64_t playerID);
    std::shared_ptr<Player> GetPlayer(uint64_t playerID) const;
    const std::vector<std::shared_ptr<Player>>& GetPlayers() const { return m_Players; }

    void LogDetection(Player* player, DetectionCategory category, DetectionSeverity severity, const std::string& reason);
    const std::vector<DetectionEvent>& GetDetectionLog() const { return m_DetectionLog; }

    void EnableModule(const std::string& moduleName, bool enabled = true);
    bool IsModuleEnabled(const std::string& moduleName) const;

private:
    Engine();
    ~Engine();

    static Engine* s_Instance;

    bool m_IsInitialized;
    std::string m_GameName;
    int m_MaxPlayers;
    int m_TickRate;

    std::vector<std::unique_ptr<Module>> m_Modules;
    std::vector<std::shared_ptr<Player>> m_Players;
    std::vector<DetectionEvent> m_DetectionLog;

    std::thread m_UpdateThread;
    std::atomic<bool> m_StopUpdateThread;
    std::mutex m_PlayersMutex;
    std::mutex m_LogMutex;
};

// Configuration manager
class ConfigManager {
public:
    static ConfigManager* GetInstance();

    bool LoadConfig(const std::string& filename);
    bool SaveConfig(const std::string& filename) const;

    template<typename T>
    void SetValue(const std::string& key, const T& value);

    template<typename T>
    T GetValue(const std::string& key, const T& defaultValue) const;

private:
    ConfigManager();
    ~ConfigManager();

    static ConfigManager* s_Instance;

    std::unordered_map<std::string, std::string> m_ConfigValues;
};

// Network packet analyzer
class PacketAnalyzer {
public:
    using PacketCallback = std::function<void(const void*, size_t, bool)>;

    static PacketAnalyzer* GetInstance();

    void Initialize();
    void Shutdown();

    void RegisterCallback(const std::string& name, PacketCallback callback);
    void UnregisterCallback(const std::string& name);

    void ProcessIncomingPacket(Player* sender, const void* data, size_t size);
    void ProcessOutgoingPacket(Player* recipient, const void* data, size_t size);

    void EnablePacketValidation(bool enabled) { m_ValidatePackets = enabled; }
    bool IsPacketValidationEnabled() const { return m_ValidatePackets; }

private:
    PacketAnalyzer();
    ~PacketAnalyzer();

    static PacketAnalyzer* s_Instance;

    bool m_Initialized;
    bool m_ValidatePackets;

    std::unordered_map<std::string, PacketCallback> m_Callbacks;
};

// Utility functions
namespace Utils {
    std::string GenerateRandomToken(size_t length);
    std::string HashString(const std::string& input);
    bool VerifyHash(const std::string& input, const std::string& hash);
    std::string EncryptData(const std::string& data, const std::string& key);
    std::string DecryptData(const std::string& encryptedData, const std::string& key);
}

} // namespace Hyperion

// HyperionImplementation.cpp - Main implementation file

#include "HyperionAnticheat.h"
#include <iostream>
#include <algorithm>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <ctime>

namespace Hyperion {

// Initialize static members
Engine* Engine::s_Instance = nullptr;
ConfigManager* ConfigManager::s_Instance = nullptr;
PacketAnalyzer* PacketAnalyzer::s_Instance = nullptr;

// Vector implementations
float Vec2::Length() const {
    return std::sqrt(x * x + y * y);
}

Vec2 Vec2::Normalized() const {
    float len = Length();
    if (len < 0.0001f) return Vec2(0.0f, 0.0f);
    return Vec2(x / len, y / len);
}

float Vec3::Length() const {
    return std::sqrt(x * x + y * y + z * z);
}

Vec3 Vec3::Normalized() const {
    float len = Length();
    if (len < 0.0001f) return Vec3(0.0f, 0.0f, 0.0f);
    return Vec3(x / len, y / len, z / len);
}

float Vec3::DistanceTo(const Vec3& other) const {
    float dx = x - other.x;
    float dy = y - other.y;
    float dz = z - other.z;
    return std::sqrt(dx * dx + dy * dy + dz * dz);
}

// Entity implementation
Entity::Entity(const std::string& name, uint64_t id)
    : m_Name(name), m_EntityID(id),
      m_Position(0.0f, 0.0f, 0.0f),
      m_Rotation(0.0f, 0.0f, 0.0f),
      m_Scale(1.0f, 1.0f, 1.0f),
      m_Velocity(0.0f, 0.0f, 0.0f) {
}

Entity::~Entity() {
    for (auto& component : m_Components) {
        component->Shutdown();
    }
    m_Components.clear();
}

void Entity::Update(float deltaTime) {
    for (auto& component : m_Components) {
        if (component->IsActive()) {
            component->Update(deltaTime);
        }
    }
}

void Entity::SetPosition(const Vec3& position) {
    m_Position = position;
}

void Entity::SetRotation(const Vec3& rotation) {
    m_Rotation = rotation;
}

void Entity::SetScale(const Vec3& scale) {
    m_Scale = scale;
}

void Entity::SetVelocity(const Vec3& velocity) {
    m_Velocity = velocity;
}

// Player implementation
Player::Player(const std::string& name, uint64_t id, uint64_t userID)
    : Entity(name, id), m_UserID(userID),
      m_LastMovementTime(0.0f),
      m_ViolationCount(0), m_ViolationScore(0),
      m_IsBanned(false) {
}

float Player::GetMovementStat(const std::string& stat) const {
    auto it = m_MovementStats.find(stat);
    if (it != m_MovementStats.end()) {
        return it->second;
    }
    return 0.0f;
}

void Player::AddDetection(DetectionCategory category, DetectionSeverity severity, const std::string& reason) {
    int severityScore = 0;
    switch (severity) {
        case DetectionSeverity::INFO:
            severityScore = 1;
            break;
        case DetectionSeverity::WARNING:
            severityScore = 5;
            break;
        case DetectionSeverity::CRITICAL:
            severityScore = 25;
            break;
    }

    m_ViolationCount++;
    m_ViolationScore += severityScore;

    auto now = std::chrono::system_clock::now();
    m_Detections.emplace_back(this, category, severity, reason, now);

    Engine::GetInstance()->LogDetection(this, category, severity, reason);
}

void Player::ClearDetections() {
    m_Detections.clear();
    m_ViolationCount = 0;
    m_ViolationScore = 0;
}

void Player::Ban(const std::string& reason, int durationMinutes) {
    m_IsBanned = true;
    m_BanReason = reason;

    if (durationMinutes > 0) {
        m_BanExpiration = std::chrono::system_clock::now() + std::chrono::minutes(durationMinutes);
    } else {
        // Permanent ban
        m_BanExpiration = std::chrono::system_clock::time_point::max();
    }

    // Log the ban action
    std::cout << "BANNED player " << GetName() << " (ID: " << GetUserID()
              << ") for: " << reason << std::endl;

    // Kick the player
    Kick("You have been banned: " + reason);
}

void Player::Kick(const std::string& reason) {
    std::cout << "KICKED player " << GetName() << " (ID: " << GetUserID()
              << ") for: " << reason << std::endl;

    // In a real implementation, this would disconnect the player
}

// Detection event implementation
DetectionEvent::DetectionEvent(
    Player* player,
    DetectionCategory category,
    DetectionSeverity severity,
    const std::string& reason,
    std::chrono::system_clock::time_point timestamp
) : m_Player(player),
    m_Category(category),
    m_Severity(severity),
    m_Reason(reason),
    m_Timestamp(timestamp) {
}

std::string DetectionEvent::ToString() const {
    // Convert timestamp to string
    auto timeT = std::chrono::system_clock::to_time_t(m_Timestamp);
    std::stringstream ss;
    ss << std::put_time(std::localtime(&timeT), "%Y-%m-%d %H:%M:%S");

    // Severity string
    std::string severityStr;
    switch (m_Severity) {
        case DetectionSeverity::INFO:
            severityStr = "INFO";
            break;
        case DetectionSeverity::WARNING:
            severityStr = "WARNING";
            break;
        case DetectionSeverity::CRITICAL:
            severityStr = "CRITICAL";
            break;
    }

    // Category string
    std::string categoryStr;
    switch (m_Category) {
        case DetectionCategory::SPEED_HACK:
            categoryStr = "SPEED_HACK";
            break;
        case DetectionCategory::TELEPORT_HACK:
            categoryStr = "TELEPORT_HACK";
            break;
        case DetectionCategory::FLY_HACK:
            categoryStr = "FLY_HACK";
            break;
        case DetectionCategory::NOCLIP_HACK:
            categoryStr = "NOCLIP_HACK";
            break;
        case DetectionCategory::ANIMATION_EXPLOIT:
            categoryStr = "ANIMATION_EXPLOIT";
            break;
        case DetectionCategory::WEAPON_EXPLOIT:
            categoryStr = "WEAPON_EXPLOIT";
            break;
        case DetectionCategory::SERVER_CRASH_ATTEMPT:
            categoryStr = "SERVER_CRASH_ATTEMPT";
            break;
        case DetectionCategory::MEMORY_MANIPULATION:
            categoryStr = "MEMORY_MANIPULATION";
            break;
        case DetectionCategory::CLIENT_INTEGRITY:
            categoryStr = "CLIENT_INTEGRITY";
            break;
        case DetectionCategory::INJECTION:
            categoryStr = "INJECTION";
            break;
        case DetectionCategory::PACKET_MANIPULATION:
            categoryStr = "PACKET_MANIPULATION";
            break;
        case DetectionCategory::SUSPICIOUS_BEHAVIOR:
            categoryStr = "SUSPICIOUS_BEHAVIOR";
            break;
    }

    // Format the detection event string
    return ss.str() + " [" + severityStr + "] " + categoryStr + " - " +
           m_Player->GetName() + " (ID: " + std::to_string(m_Player->GetUserID()) +
           "): " + m_Reason;
}

// Module implementation
Module::Module(const std::string& name)
    : m_Name(name), m_Enabled(true) {
}

// SpeedHackDetector implementation
SpeedHackDetector::SpeedHackDetector()
    : Module("SpeedHackDetector"),
      m_MaxSpeed(50.0f),
      m_TeleportThreshold(100.0f),
      m_DetectionCooldown(5.0f) {
}

void SpeedHackDetector::Initialize() {
    std::cout << "Initializing SpeedHackDetector module" << std::endl;

    // Load configuration
    auto config = ConfigManager::GetInstance();
    m_MaxSpeed = config->GetValue<float>("speedhack_max_speed", 50.0f);
    m_TeleportThreshold = config->GetValue<float>("speedhack_teleport_threshold", 100.0f);
    m_DetectionCooldown = config->GetValue<float>("speedhack_detection_cooldown", 5.0f);
}

void SpeedHackDetector::Update(float deltaTime) {
    if (!m_Enabled) return;

    auto engine = Engine::GetInstance();
    auto now = std::chrono::system_clock::now();

    for (const auto& playerPtr : engine->GetPlayers()) {
        Player* player = playerPtr.get();

        // Skip detection if on cooldown
        auto it = m_LastDetections.find(player->GetID());
        if (it != m_LastDetections.end()) {
            auto elapsedTime = std::chrono::duration_cast<std::chrono::seconds>(now - it->second).count();
            if (elapsedTime < m_DetectionCooldown) {
                continue;
            }
        }

        const Vec3& velocity = player->GetVelocity();
        float speed = velocity.Length();

        // Check for excessive speed
        if (speed > m_MaxSpeed) {
            std::string reason = "Speed exceeds maximum allowed (" +
                                 std::to_string(speed) + " > " +
                                 std::to_string(m_MaxSpeed) + ")";

            player->AddDetection(DetectionCategory::SPEED_HACK,
                                 DetectionSeverity::WARNING,
                                 reason);

            m_LastDetections[player->GetID()] = now;
        }

        // Check for teleport (sudden position change)
        Vec3 lastPosition = Vec3(
            player->GetMovementStat("last_position_x"),
            player->GetMovementStat("last_position_y"),
            player->GetMovementStat("last_position_z")
        );

        const Vec3& currentPosition = player->GetPosition();
        float distance = lastPosition.DistanceTo(currentPosition);

        // Only check if we have a valid last position
        if (lastPosition.Length() > 0.01f &&
            distance > m_TeleportThreshold &&
            player->GetLastMovementTime() > 0.0f) {

            float timeDiff = deltaTime;
            if (timeDiff > 0.0001f) {
                float impliedSpeed = distance / timeDiff;

                if (impliedSpeed > m_MaxSpeed * 2.0f) {
                    std::string reason = "Possible teleport detected (" +
                                         std::to_string(distance) + " units in " +
                                         std::to_string(timeDiff) + " seconds)";

                    player->AddDetection(DetectionCategory::TELEPORT_HACK,
                                         DetectionSeverity::WARNING,
                                         reason);

                    m_LastDetections[player->GetID()] = now;
                }
            }
        }

        // Update last position
        player->SetMovementStat("last_position_x", currentPosition.x);
        player->SetMovementStat("last_position_y", currentPosition.y);
        player->SetMovementStat("last_position_z", currentPosition.z);
        player->SetLastMovementTime(player->GetLastMovementTime() + deltaTime);
    }
}

void SpeedHackDetector::Shutdown() {
    std::cout << "Shutting down SpeedHackDetector module" << std::endl;
}

// FlyHackDetector implementation
FlyHackDetector::FlyHackDetector()
    : Module("FlyHackDetector"),
      m_MaxAirTime(5.0f),
      m_GravityThreshold(0.1f) {
}

void FlyHackDetector::Initialize() {
    std::cout << "Initializing FlyHackDetector module" << std::endl;

    // Load configuration
    auto config = ConfigManager::GetInstance();
    m_MaxAirTime = config->GetValue<float>("flyhack_max_air_time", 5.0f);
    m_GravityThreshold = config->GetValue<float>("flyhack_gravity_threshold", 0.1f);
}

void FlyHackDetector::Update(float deltaTime) {
    if (!m_Enabled) return;

    auto engine = Engine::GetInstance();

    for (const auto& playerPtr : engine->GetPlayers()) {
        Player* player = playerPtr.get();

        bool isGrounded = player->GetMovementStat("is_grounded") > 0.5f;

        if (!isGrounded) {
            // Player is in the air
            float airTime = 0.0f;
            auto it = m_PlayerAirTime.find(player->GetID());
            if (it != m_PlayerAirTime.end()) {
                airTime = it->second;
            }

            airTime += deltaTime;
            m_PlayerAirTime[player->GetID()] = airTime;

            // Check for excessive air time
            if (airTime > m_MaxAirTime) {
                std::string reason = "Excessive air time detected (" +
                                     std::to_string(airTime) + " seconds)";

                player->AddDetection(DetectionCategory::FLY_HACK,
                                     DetectionSeverity::WARNING,
                                     reason);

                // Reset air time to avoid spam
                m_PlayerAirTime[player->GetID()] = 0.0f;
            }

            // Check if player is ignoring gravity
            const Vec3& velocity = player->GetVelocity();
            float verticalVelocity = velocity.y;
            float prevVerticalVelocity = player->GetMovementStat("prev_vertical_velocity");

            if (std::abs(verticalVelocity - prevVerticalVelocity) < m_GravityThreshold && airTime > 1.0f) {
                std::string reason = "Possible gravity manipulation detected (vertical velocity: " +
                                     std::to_string(verticalVelocity) + ")";

                player->AddDetection(DetectionCategory::FLY_HACK,
                                     DetectionSeverity::WARNING,
                                     reason);
            }

            // Store current vertical velocity for next update
            player->SetMovementStat("prev_vertical_velocity", verticalVelocity);
        } else {
            // Player is grounded, reset air time
            m_PlayerAirTime[player->GetID()] = 0.0f;
        }
    }
}

void FlyHackDetector::Shutdown() {
    std::cout << "Shutting down FlyHackDetector module" << std::endl;
}

// ClientIntegrityChecker implementation
ClientIntegrityChecker::ClientIntegrityChecker()
    : Module("ClientIntegrityChecker"),
      m_CheckInterval(300.0f), // Check every 5 minutes
      m_TimeUntilNextCheck(30.0f) { // First check after 30 seconds
}

void ClientIntegrityChecker::Initialize() {
    std::cout << "Initializing ClientIntegrityChecker module" << std::endl;

    // Load configuration
    auto config = ConfigManager::GetInstance();
    m_CheckInterval = config->GetValue<float>("integrity_check_interval", 300.0f);

// Initialize default hash checks
    AddHashCheck("client_core.dll", "a1b2c3d4e5f6g7h8i9j0");
    AddHashCheck("game_module.dll", "1a2b3c4d5e6f7g8h9i0j");
    AddHashCheck("physics_engine.dll", "2a3b4c5d6e7f8g9h0i1j");
}

void ClientIntegrityChecker::Update(float deltaTime) {
    if (!m_Enabled) return;

    m_TimeUntilNextCheck -= deltaTime;

    if (m_TimeUntilNextCheck <= 0.0f) {
        m_TimeUntilNextCheck = m_CheckInterval;

        auto engine = Engine::GetInstance();
        for (const auto& playerPtr : engine->GetPlayers()) {
            Player* player = playerPtr.get();
            PerformClientCheck(player);
        }
    }
}

void ClientIntegrityChecker::Shutdown() {
    std::cout << "Shutting down ClientIntegrityChecker module" << std::endl;
}

void ClientIntegrityChecker::AddHashCheck(const std::string& filename, const std::string& expectedHash) {
    HashCheck check;
    check.filename = filename;
    check.expectedHash = expectedHash;
    m_HashChecks.push_back(check);
}

void ClientIntegrityChecker::PerformClientCheck(Player* player) {
    // In a real implementation, this would send a request to the client
    // to verify file integrity and wait for a response

    std::cout << "Performing integrity check for player " << player->GetName() << std::endl;

    // Simulated response
    bool integrityCheckPassed = (rand() % 100) < 95; // 95% pass rate for simulation

    if (!integrityCheckPassed) {
        std::string reason = "Client integrity check failed";
        player->AddDetection(DetectionCategory::CLIENT_INTEGRITY,
                             DetectionSeverity::CRITICAL,
                             reason);

        // If violation score is too high, ban the player
        if (player->GetViolationScore() > 50) {
            player->Ban("Multiple integrity violations detected", 1440); // 24-hour ban
        }
    }
}

// Engine implementation
Engine* Engine::GetInstance() {
    if (s_Instance == nullptr) {
        s_Instance = new Engine();
    }
    return s_Instance;
}

Engine::Engine()
    : m_IsInitialized(false),
      m_GameName(""),
      m_MaxPlayers(0),
      m_TickRate(60),
      m_StopUpdateThread(false) {
}

Engine::~Engine() {
    Shutdown();
}

bool Engine::Initialize(const std::string& gameName, int maxPlayers) {
    if (m_IsInitialized) {
        std::cerr << "Engine already initialized!" << std::endl;
        return false;
    }

    std::cout << "Initializing Hyperion Anticheat Engine..." << std::endl;

    m_GameName = gameName;
    m_MaxPlayers = maxPlayers;

    // Initialize modules
    RegisterModule<SpeedHackDetector>();
    RegisterModule<FlyHackDetector>();
    RegisterModule<ClientIntegrityChecker>();

    // Initialize other subsystems
    PacketAnalyzer::GetInstance()->Initialize();

    // Initialize modules
    for (auto& module : m_Modules) {
        module->Initialize();
    }

    // Start update thread
    m_StopUpdateThread = false;
    m_UpdateThread = std::thread([this]() {
        const float targetDeltaTime = 1.0f / static_cast<float>(m_TickRate);
        auto lastUpdateTime = std::chrono::high_resolution_clock::now();

        while (!m_StopUpdateThread) {
            auto currentTime = std::chrono::high_resolution_clock::now();
            float deltaTime = std::chrono::duration<float>(currentTime - lastUpdateTime).count();
            lastUpdateTime = currentTime;

            Update();

            // Sleep to maintain target tick rate
            float remainingTime = targetDeltaTime - deltaTime;
            if (remainingTime > 0) {
                std::this_thread::sleep_for(std::chrono::milliseconds(
                    static_cast<int>(remainingTime * 1000)
                ));
            }
        }
    });

    m_IsInitialized = true;
    std::cout << "Hyperion Anticheat Engine initialized successfully!" << std::endl;

    return true;
}

void Engine::Shutdown() {
    if (!m_IsInitialized) {
        return;
    }

    std::cout << "Shutting down Hyperion Anticheat Engine..." << std::endl;

    // Stop update thread
    m_StopUpdateThread = true;
    if (m_UpdateThread.joinable()) {
        m_UpdateThread.join();
    }

    // Shutdown modules
    for (auto& module : m_Modules) {
        module->Shutdown();
    }
    m_Modules.clear();

    // Shutdown other subsystems
    PacketAnalyzer::GetInstance()->Shutdown();

    m_Players.clear();
    m_DetectionLog.clear();

    m_IsInitialized = false;
    std::cout << "Hyperion Anticheat Engine shut down successfully!" << std::endl;
}

void Engine::Update() {
    if (!m_IsInitialized) {
        return;
    }

    // Calculate delta time (in a real implementation)
    float deltaTime = 1.0f / static_cast<float>(m_TickRate);

    // Update players
    {
        std::lock_guard<std::mutex> lock(m_PlayersMutex);
        for (auto& player : m_Players) {
            player->Update(deltaTime);
        }
    }

    // Update modules
    for (auto& module : m_Modules) {
        if (module->IsEnabled()) {
            module->Update(deltaTime);
        }
    }
}

void Engine::AddPlayer(std::shared_ptr<Player> player) {
    std::lock_guard<std::mutex> lock(m_PlayersMutex);
    m_Players.push_back(player);

    std::cout << "Player added: " << player->GetName()
              << " (ID: " << player->GetUserID() << ")" << std::endl;
}

void Engine::RemovePlayer(uint64_t playerID) {
    std::lock_guard<std::mutex> lock(m_PlayersMutex);

    auto it = std::find_if(m_Players.begin(), m_Players.end(),
                           [playerID](const std::shared_ptr<Player>& player) {
                               return player->GetID() == playerID;
                           });

    if (it != m_Players.end()) {
        std::cout << "Player removed: " << (*it)->GetName()
                  << " (ID: " << (*it)->GetUserID() << ")" << std::endl;

        m_Players.erase(it);
    }
}

std::shared_ptr<Player> Engine::GetPlayer(uint64_t playerID) const {
    std::lock_guard<std::mutex> lock(m_PlayersMutex);

    auto it = std::find_if(m_Players.begin(), m_Players.end(),
                           [playerID](const std::shared_ptr<Player>& player) {
                               return player->GetID() == playerID;
                           });

    if (it != m_Players.end()) {
        return *it;
    }

    return nullptr;
}

void Engine::LogDetection(Player* player, DetectionCategory category,
                         DetectionSeverity severity, const std::string& reason) {
    std::lock_guard<std::mutex> lock(m_LogMutex);

    auto now = std::chrono::system_clock::now();
    DetectionEvent event(player, category, severity, reason, now);

    m_DetectionLog.push_back(event);

    std::cout << event.ToString() << std::endl;

    // Automatic enforcement based on severity
    if (severity == DetectionSeverity::CRITICAL) {
        if (player->GetViolationScore() > 50) {
            player->Ban("Multiple critical violations detected", 1440); // 24-hour ban
        }
    }
}

void Engine::EnableModule(const std::string& moduleName, bool enabled) {
    for (auto& module : m_Modules) {
        if (module->GetName() == moduleName) {
            module->SetEnabled(enabled);
            std::cout << "Module " << moduleName << (enabled ? " enabled" : " disabled") << std::endl;
            return;
        }
    }

    std::cerr << "Module not found: " << moduleName << std::endl;
}

bool Engine::IsModuleEnabled(const std::string& moduleName) const {
    for (const auto& module : m_Modules) {
        if (module->GetName() == moduleName) {
            return module->IsEnabled();
        }
    }

    return false;
}

// ConfigManager implementation
ConfigManager* ConfigManager::GetInstance() {
    if (s_Instance == nullptr) {
        s_Instance = new ConfigManager();
    }
    return s_Instance;
}

ConfigManager::ConfigManager() {
    // Set default values
    m_ConfigValues["speedhack_max_speed"] = "50.0";
    m_ConfigValues["speedhack_teleport_threshold"] = "100.0";
    m_ConfigValues["speedhack_detection_cooldown"] = "5.0";
    m_ConfigValues["flyhack_max_air_time"] = "5.0";
    m_ConfigValues["flyhack_gravity_threshold"] = "0.1";
    m_ConfigValues["integrity_check_interval"] = "300.0";
}

ConfigManager::~ConfigManager() {
}

bool ConfigManager::LoadConfig(const std::string& filename) {
    std::ifstream file(filename);
    if (!file.is_open()) {
        std::cerr << "Failed to open config file: " << filename << std::endl;
        return false;
    }

    std::string line;
    while (std::getline(file, line)) {
        // Skip comments and empty lines
        if (line.empty() || line[0] == '#') {
            continue;
        }

        size_t separatorPos = line.find('=');
        if (separatorPos != std::string::npos) {
            std::string key = line.substr(0, separatorPos);
            std::string value = line.substr(separatorPos + 1);

            // Trim whitespace
            key.erase(0, key.find_first_not_of(" \t"));
            key.erase(key.find_last_not_of(" \t") + 1);
            value.erase(0, value.find_first_not_of(" \t"));
            value.erase(value.find_last_not_of(" \t") + 1);

            m_ConfigValues[key] = value;
        }
    }

    return true;
}

bool ConfigManager::SaveConfig(const std::string& filename) const {
    std::ofstream file(filename);
    if (!file.is_open()) {
        std::cerr << "Failed to open config file for writing: " << filename << std::endl;
        return false;
    }

    file << "# Hyperion Anticheat Configuration\n";
    file << "# Generated on " << std::put_time(std::localtime(&std::time(nullptr)), "%Y-%m-%d %H:%M:%S") << "\n\n";

    for (const auto& pair : m_ConfigValues) {
        file << pair.first << " = " << pair.second << "\n";
    }

    return true;
}

template<>
void ConfigManager::SetValue<std::string>(const std::string& key, const std::string& value) {
    m_ConfigValues[key] = value;
}

template<>
void ConfigManager::SetValue<int>(const std::string& key, const int& value) {
    m_ConfigValues[key] = std::to_string(value);
}

template<>
void ConfigManager::SetValue<float>(const std::string& key, const float& value) {
    m_ConfigValues[key] = std::to_string(value);
}

template<>
void ConfigManager::SetValue<bool>(const std::string& key, const bool& value) {
    m_ConfigValues[key] = value ? "true" : "false";
}

template<>
std::string ConfigManager::GetValue<std::string>(const std::string& key, const std::string& defaultValue) const {
    auto it = m_ConfigValues.find(key);
    if (it != m_ConfigValues.end()) {
        return it->second;
    }
    return defaultValue;
}

template<>
int ConfigManager::GetValue<int>(const std::string& key, const int& defaultValue) const {
    auto it = m_ConfigValues.find(key);
    if (it != m_ConfigValues.end()) {
        try {
            return std::stoi(it->second);
        } catch (...) {
            return defaultValue;
        }
    }
    return defaultValue;
}

template<>
float ConfigManager::GetValue<float>(const std::string& key, const float& defaultValue) const {
    auto it = m_ConfigValues.find(key);
    if (it != m_ConfigValues.end()) {
        try {
            return std::stof(it->second);
        } catch (...) {
            return defaultValue;
        }
    }
    return defaultValue;
}

template<>
bool ConfigManager::GetValue<bool>(const std::string& key, const bool& defaultValue) const {
    auto it = m_ConfigValues.find(key);
    if (it != m_ConfigValues.end()) {
        std::string value = it->second;
        std::transform(value.begin(), value.end(), value.begin(), ::tolower);
        return (value == "true" || value == "1" || value == "yes" || value == "y");
    }
    return defaultValue;
}

// PacketAnalyzer implementation
PacketAnalyzer* PacketAnalyzer::GetInstance() {
    if (s_Instance == nullptr) {
        s_Instance = new PacketAnalyzer();
    }
    return s_Instance;
}

PacketAnalyzer::PacketAnalyzer()
    : m_Initialized(false), m_ValidatePackets(true) {
}

PacketAnalyzer::~PacketAnalyzer() {
    Shutdown();
}

void PacketAnalyzer::Initialize() {
    if (m_Initialized) {
        return;
    }

    std::cout << "Initializing Packet Analyzer..." << std::endl;

    // Register default packet handlers
    RegisterCallback("invalid_packet", [](const void* data, size_t size, bool isIncoming) {
        std::cout << "Invalid packet detected (" << (isIncoming ? "incoming" : "outgoing")
                  << "): " << size << " bytes" << std::endl;

        // In a real implementation, this would report the player
    });

    m_Initialized = true;
    std::cout << "Packet Analyzer initialized successfully!" << std::endl;
}

void PacketAnalyzer::Shutdown() {
    if (!m_Initialized) {
        return;
    }

    std::cout << "Shutting down Packet Analyzer..." << std::endl;

    m_Callbacks.clear();

    m_Initialized = false;
    std::cout << "Packet Analyzer shut down successfully!" << std::endl;
}

void PacketAnalyzer::RegisterCallback(const std::string& name, PacketCallback callback) {
    m_Callbacks[name] = callback;
}

void PacketAnalyzer::UnregisterCallback(const std::string& name) {
    m_Callbacks.erase(name);
}

void PacketAnalyzer::ProcessIncomingPacket(Player* sender, const void* data, size_t size) {
    if (!m_Initialized || !m_ValidatePackets) {
        return;
    }

    // Validate packet
    bool isValidPacket = true; // Basic validation check

    if (!isValidPacket) {
        auto it = m_Callbacks.find("invalid_packet");
        if (it != m_Callbacks.end()) {
            it->second(data, size, true);
        }

        // Report player
        sender->AddDetection(DetectionCategory::PACKET_MANIPULATION,
                             DetectionSeverity::WARNING,
                             "Invalid incoming packet detected");
    }

    // Process packet through registered callbacks
    for (const auto& pair : m_Callbacks) {
        if (pair.first != "invalid_packet") {
            pair.second(data, size, true);
        }
    }
}

void PacketAnalyzer::ProcessOutgoingPacket(Player* recipient, const void* data, size_t size) {
    if (!m_Initialized) {
        return;
    }

    // Process packet through registered callbacks
    for (const auto& pair : m_Callbacks) {
        pair.second(data, size, false);
    }
}

// Utility functions implementation
namespace Utils {
    std::string GenerateRandomToken(size_t length) {
        static const char charset[] =
            "0123456789"
            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
            "abcdefghijklmnopqrstuvwxyz";

        std::random_device rd;
        std::mt19937 generator(rd());
        std::uniform_int_distribution<int> distribution(0, sizeof(charset) - 2);

        std::string result;
        result.reserve(length);

        for (size_t i = 0; i < length; ++i) {
            result += charset[distribution(generator)];
        }

        return result;
    }

    std::string HashString(const std::string& input) {
        // Simple hash function for demonstration
        // In a real implementation, use a cryptographic hash function like SHA-256

        size_t hash = 0;
        for (char c : input) {
            hash = hash * 31 + c;
        }

        std::stringstream ss;
        ss << std::hex << hash;
        return ss.str();
    }

    bool VerifyHash(const std::string& input, const std::string& hash) {
        return HashString(input) == hash;
    }

    std::string EncryptData(const std::string& data, const std::string& key) {
        // Simple XOR encryption for demonstration
        // In a real implementation, use a proper encryption algorithm

        std::string result = data;
        size_t keyLength = key.length();

        for (size_t i = 0; i < result.length(); ++i) {
            result[i] ^= key[i % keyLength];
        }

        return result;
    }

    std::string DecryptData(const std::string& encryptedData, const std::string& key) {
        // XOR encryption is symmetric, so decryption is the same as encryption
        return EncryptData(encryptedData, key);
    }
}

} // namespace Hyperion

// HyperionExample.cpp - Example usage of Hyperion Anticheat
#include "HyperionAnticheat.h"
#include <iostream>
#include <memory>
#include <thread>
#include <chrono>

int main() {
    // Create and initialize the engine
    Hyperion::Engine* engine = Hyperion::Engine::GetInstance();
    if (!engine->Initialize("Hyperion Roblox Anticheat", 100)) {
        std::cerr << "Failed to initialize Hyperion Anticheat Engine!" << std::endl;
        return -1;
    }

    // Load configuration
    Hyperion::ConfigManager* config = Hyperion::ConfigManager::GetInstance();
    if (!config->LoadConfig("hyperion_config.txt")) {
        std::cout << "Could not load config file, using default values" << std::endl;
    }

    // Override some settings
    config->SetValue("speedhack_max_speed", 30.0f);
    config->SetValue("flyhack_max_air_time", 3.0f);

    // Add some test players
    std::shared_ptr<Hyperion::Player> player1 = std::make_shared<Hyperion::Player>("Player1", 1, 10001);
    std::shared_ptr<Hyperion::Player> player2 = std::make_shared<Hyperion::Player>("Player2", 2, 10002);

    engine->AddPlayer(player1);
    engine->AddPlayer(player2);

    // Simulate some player activity
    player1->SetPosition(Hyperion::Vec3(0.0f, 0.0f, 0.0f));
    player1->SetVelocity(Hyperion::Vec3(0.0f, 0.0f, 0.0f));
    player1->SetMovementStat("is_grounded", 1.0f);

    player2->SetPosition(Hyperion::Vec3(10.0f, 0.0f, 10.0f));
    player2->SetVelocity(Hyperion::Vec3(0.0f, 0.0f, 0.0f));
    player2->SetMovementStat("is_grounded", 1.0f);

    // Run simulation for a while
    std::cout << "Running Hyperion Anticheat simulation..." << std::endl;
    std::cout << "Press Ctrl+C to exit" << std::endl;

    // Simulate normal player movement
    for (int i = 0; i < 10; ++i) {
        // Update player1 position (normal movement)
        Hyperion::Vec3 pos1 = player1->GetPosition();
        pos1.x += 1.0f;
        pos1.z += 0.5f;
        player1->SetPosition(pos1);
        player1->SetVelocity(Hyperion::Vec3(1.0f, 0.0f, 0.5f));

        // Update player2 position (normal movement)
        Hyperion::Vec3 pos2 = player2->GetPosition();
        pos2.x -= 0.5f;
        pos2.z -= 1.0f;
        player2->SetPosition(pos2);
        player2->SetVelocity(Hyperion::Vec3(-0.5f, 0.0f, -1.0f));

        std::this_thread::sleep_for(std::chrono::milliseconds(100));
    }

    // Simulate player1 speedhack
    std::cout << "Simulating speedhack for Player1..." << std::endl;
    player1->SetVelocity(Hyperion::Vec3(45.0f, 0.0f, 45.0f));
    std::this_thread::sleep_for(std::chrono::milliseconds(500));

    // Reset to normal movement
    player1->SetVelocity(Hyperion::Vec3(1.0f, 0.0f, 0.5f));

    // Simulate player2 flyhack
    std::cout << "Simulating flyhack for Player2..." << std::endl;
    player2->SetMovementStat("is_grounded", 0.0f);
    player2->SetVelocity(Hyperion::Vec3(0.0f, 0.0f, 0.0f));
    std::this_thread::sleep_for(std::chrono::seconds(4));

    // Reset to normal movement
    player2->SetMovementStat("is_grounded", 1.0f);

    // Simulate teleport hack
    std::cout << "Simulating teleport hack for Player1..." << std::endl;
    Hyperion::Vec3 pos1 = player1->GetPosition();
    pos1.x += 500.0f;
    pos1.z += 500.0f;
    player1->SetPosition(pos1);
    std::this_thread::sleep_for(std::chrono::milliseconds(100));

    // Wait a bit more for detections to process
    std::this_thread::sleep_for(std::chrono::seconds(2));

    // Print final detection log
    std::cout << "\n===== DETECTION LOG =====\n";
    for (const auto& detection : engine->GetDetectionLog()) {
        std::cout << detection.ToString() << std::endl;
    }

    // Shutdown the engine
    engine->Shutdown();

    // Save configuration
    config->SaveConfig("hyperion_config.txt");

    return 0;
}