v1.4.4

source/application/discord/activity_manager.cpp

@@ -0,0 +1,177 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "activity_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+class ActivityEvents final {
+public:
+    static void OnActivityJoin(void* callbackData, char const* secret)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->ActivityManager();
+        module.OnActivityJoin(static_cast<const char*>(secret));
+    }
+
+    static void OnActivitySpectate(void* callbackData, char const* secret)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->ActivityManager();
+        module.OnActivitySpectate(static_cast<const char*>(secret));
+    }
+
+    static void OnActivityJoinRequest(void* callbackData, DiscordUser* user)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->ActivityManager();
+        module.OnActivityJoinRequest(*reinterpret_cast<User const*>(user));
+    }
+
+    static void OnActivityInvite(void* callbackData,
+                                 EDiscordActivityActionType type,
+                                 DiscordUser* user,
+                                 DiscordActivity* activity)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->ActivityManager();
+        module.OnActivityInvite(static_cast<ActivityActionType>(type),
+                                *reinterpret_cast<User const*>(user),
+                                *reinterpret_cast<Activity const*>(activity));
+    }
+};
+
+IDiscordActivityEvents ActivityManager::events_{
+  &ActivityEvents::OnActivityJoin,
+  &ActivityEvents::OnActivitySpectate,
+  &ActivityEvents::OnActivityJoinRequest,
+  &ActivityEvents::OnActivityInvite,
+};
+
+Result ActivityManager::RegisterCommand(char const* command)
+{
+    auto result = internal_->register_command(internal_, const_cast<char*>(command));
+    return static_cast<Result>(result);
+}
+
+Result ActivityManager::RegisterSteam(std::uint32_t steamId)
+{
+    auto result = internal_->register_steam(internal_, steamId);
+    return static_cast<Result>(result);
+}
+
+void ActivityManager::UpdateActivity(Activity const& activity, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->update_activity(internal_,
+                               reinterpret_cast<DiscordActivity*>(const_cast<Activity*>(&activity)),
+                               cb.release(),
+                               wrapper);
+}
+
+void ActivityManager::ClearActivity(std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->clear_activity(internal_, cb.release(), wrapper);
+}
+
+void ActivityManager::SendRequestReply(UserId userId,
+                                       ActivityJoinRequestReply reply,
+                                       std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->send_request_reply(internal_,
+                                  userId,
+                                  static_cast<EDiscordActivityJoinRequestReply>(reply),
+                                  cb.release(),
+                                  wrapper);
+}
+
+void ActivityManager::SendInvite(UserId userId,
+                                 ActivityActionType type,
+                                 char const* content,
+                                 std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->send_invite(internal_,
+                           userId,
+                           static_cast<EDiscordActivityActionType>(type),
+                           const_cast<char*>(content),
+                           cb.release(),
+                           wrapper);
+}
+
+void ActivityManager::AcceptInvite(UserId userId, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->accept_invite(internal_, userId, cb.release(), wrapper);
+}
+
+} // namespace discord

source/application/discord/activity_manager.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class ActivityManager final {
+public:
+    ~ActivityManager() = default;
+
+    Result RegisterCommand(char const* command);
+    Result RegisterSteam(std::uint32_t steamId);
+    void UpdateActivity(Activity const& activity, std::function<void(Result)> callback);
+    void ClearActivity(std::function<void(Result)> callback);
+    void SendRequestReply(UserId userId,
+                          ActivityJoinRequestReply reply,
+                          std::function<void(Result)> callback);
+    void SendInvite(UserId userId,
+                    ActivityActionType type,
+                    char const* content,
+                    std::function<void(Result)> callback);
+    void AcceptInvite(UserId userId, std::function<void(Result)> callback);
+
+    Event<char const*> OnActivityJoin;
+    Event<char const*> OnActivitySpectate;
+    Event<User const&> OnActivityJoinRequest;
+    Event<ActivityActionType, User const&, Activity const&> OnActivityInvite;
+
+private:
+    friend class Core;
+
+    ActivityManager() = default;
+    ActivityManager(ActivityManager const& rhs) = delete;
+    ActivityManager& operator=(ActivityManager const& rhs) = delete;
+    ActivityManager(ActivityManager&& rhs) = delete;
+    ActivityManager& operator=(ActivityManager&& rhs) = delete;
+
+    IDiscordActivityManager* internal_;
+    static IDiscordActivityEvents events_;
+};
+
+} // namespace discord

source/application/discord/application_manager.cpp

@@ -0,0 +1,63 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "application_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+void ApplicationManager::ValidateOrExit(std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->validate_or_exit(internal_, cb.release(), wrapper);
+}
+
+void ApplicationManager::GetCurrentLocale(char locale[128])
+{
+    if (!locale) {
+        return;
+    }
+
+    internal_->get_current_locale(internal_, reinterpret_cast<DiscordLocale*>(locale));
+}
+
+void ApplicationManager::GetCurrentBranch(char branch[4096])
+{
+    if (!branch) {
+        return;
+    }
+
+    internal_->get_current_branch(internal_, reinterpret_cast<DiscordBranch*>(branch));
+}
+
+void ApplicationManager::GetOAuth2Token(std::function<void(Result, OAuth2Token const&)> callback)
+{
+    static auto wrapper =
+      [](void* callbackData, EDiscordResult result, DiscordOAuth2Token* oauth2Token) -> void {
+        std::unique_ptr<std::function<void(Result, OAuth2Token const&)>> cb(
+          reinterpret_cast<std::function<void(Result, OAuth2Token const&)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result), *reinterpret_cast<OAuth2Token const*>(oauth2Token));
+    };
+    std::unique_ptr<std::function<void(Result, OAuth2Token const&)>> cb{};
+    cb.reset(new std::function<void(Result, OAuth2Token const&)>(std::move(callback)));
+    internal_->get_oauth2_token(internal_, cb.release(), wrapper);
+}
+
+} // namespace discord

source/application/discord/application_manager.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class ApplicationManager final {
+public:
+    ~ApplicationManager() = default;
+
+    void ValidateOrExit(std::function<void(Result)> callback);
+    void GetCurrentLocale(char locale[128]);
+    void GetCurrentBranch(char branch[4096]);
+    void GetOAuth2Token(std::function<void(Result, OAuth2Token const&)> callback);
+
+private:
+    friend class Core;
+
+    ApplicationManager() = default;
+    ApplicationManager(ApplicationManager const& rhs) = delete;
+    ApplicationManager& operator=(ApplicationManager const& rhs) = delete;
+    ApplicationManager(ApplicationManager&& rhs) = delete;
+    ApplicationManager& operator=(ApplicationManager&& rhs) = delete;
+
+    IDiscordApplicationManager* internal_;
+    static IDiscordApplicationEvents events_;
+};
+
+} // namespace discord

source/application/discord/core.cpp

@@ -0,0 +1,162 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+Result Core::Create(ClientId clientId, std::uint64_t flags, Core** instance)
+{
+    if (!instance) {
+        return Result::InternalError;
+    }
+
+    (*instance) = new Core();
+    DiscordCreateParams params{};
+    DiscordCreateParamsSetDefault(&params);
+    params.client_id = clientId;
+    params.flags = flags;
+    params.events = nullptr;
+    params.event_data = *instance;
+    params.user_events = &UserManager::events_;
+    params.activity_events = &ActivityManager::events_;
+    params.relationship_events = &RelationshipManager::events_;
+    params.lobby_events = &LobbyManager::events_;
+    params.network_events = &NetworkManager::events_;
+    params.overlay_events = &OverlayManager::events_;
+    params.store_events = &StoreManager::events_;
+    auto result = DiscordCreate(DISCORD_VERSION, &params, &((*instance)->internal_));
+    if (result != DiscordResult_Ok || !(*instance)->internal_) {
+        delete (*instance);
+        (*instance) = nullptr;
+    }
+
+    return static_cast<Result>(result);
+}
+
+Core::~Core()
+{
+    if (internal_) {
+        internal_->destroy(internal_);
+        internal_ = nullptr;
+    }
+}
+
+Result Core::RunCallbacks()
+{
+    auto result = internal_->run_callbacks(internal_);
+    return static_cast<Result>(result);
+}
+
+void Core::SetLogHook(LogLevel minLevel, std::function<void(LogLevel, char const*)> hook)
+{
+    setLogHook_.DisconnectAll();
+    setLogHook_.Connect(std::move(hook));
+    static auto wrapper =
+      [](void* callbackData, EDiscordLogLevel level, char const* message) -> void {
+        auto cb(reinterpret_cast<decltype(setLogHook_)*>(callbackData));
+        if (!cb) {
+            return;
+        }
+        (*cb)(static_cast<LogLevel>(level), static_cast<const char*>(message));
+    };
+
+    internal_->set_log_hook(
+      internal_, static_cast<EDiscordLogLevel>(minLevel), &setLogHook_, wrapper);
+}
+
+discord::ApplicationManager& Core::ApplicationManager()
+{
+    if (!applicationManager_.internal_) {
+        applicationManager_.internal_ = internal_->get_application_manager(internal_);
+    }
+
+    return applicationManager_;
+}
+
+discord::UserManager& Core::UserManager()
+{
+    if (!userManager_.internal_) {
+        userManager_.internal_ = internal_->get_user_manager(internal_);
+    }
+
+    return userManager_;
+}
+
+discord::ImageManager& Core::ImageManager()
+{
+    if (!imageManager_.internal_) {
+        imageManager_.internal_ = internal_->get_image_manager(internal_);
+    }
+
+    return imageManager_;
+}
+
+discord::ActivityManager& Core::ActivityManager()
+{
+    if (!activityManager_.internal_) {
+        activityManager_.internal_ = internal_->get_activity_manager(internal_);
+    }
+
+    return activityManager_;
+}
+
+discord::RelationshipManager& Core::RelationshipManager()
+{
+    if (!relationshipManager_.internal_) {
+        relationshipManager_.internal_ = internal_->get_relationship_manager(internal_);
+    }
+
+    return relationshipManager_;
+}
+
+discord::LobbyManager& Core::LobbyManager()
+{
+    if (!lobbyManager_.internal_) {
+        lobbyManager_.internal_ = internal_->get_lobby_manager(internal_);
+    }
+
+    return lobbyManager_;
+}
+
+discord::NetworkManager& Core::NetworkManager()
+{
+    if (!networkManager_.internal_) {
+        networkManager_.internal_ = internal_->get_network_manager(internal_);
+    }
+
+    return networkManager_;
+}
+
+discord::OverlayManager& Core::OverlayManager()
+{
+    if (!overlayManager_.internal_) {
+        overlayManager_.internal_ = internal_->get_overlay_manager(internal_);
+    }
+
+    return overlayManager_;
+}
+
+discord::StorageManager& Core::StorageManager()
+{
+    if (!storageManager_.internal_) {
+        storageManager_.internal_ = internal_->get_storage_manager(internal_);
+    }
+
+    return storageManager_;
+}
+
+discord::StoreManager& Core::StoreManager()
+{
+    if (!storeManager_.internal_) {
+        storeManager_.internal_ = internal_->get_store_manager(internal_);
+    }
+
+    return storeManager_;
+}
+
+} // namespace discord

source/application/discord/core.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include "types.h"
+#include "application_manager.h"
+#include "user_manager.h"
+#include "image_manager.h"
+#include "activity_manager.h"
+#include "relationship_manager.h"
+#include "lobby_manager.h"
+#include "network_manager.h"
+#include "overlay_manager.h"
+#include "storage_manager.h"
+#include "store_manager.h"
+
+namespace discord {
+
+class Core final {
+public:
+    static Result Create(ClientId clientId, std::uint64_t flags, Core** instance);
+
+    ~Core();
+
+    Result RunCallbacks();
+    void SetLogHook(LogLevel minLevel, std::function<void(LogLevel, char const*)> hook);
+
+    discord::ApplicationManager& ApplicationManager();
+    discord::UserManager& UserManager();
+    discord::ImageManager& ImageManager();
+    discord::ActivityManager& ActivityManager();
+    discord::RelationshipManager& RelationshipManager();
+    discord::LobbyManager& LobbyManager();
+    discord::NetworkManager& NetworkManager();
+    discord::OverlayManager& OverlayManager();
+    discord::StorageManager& StorageManager();
+    discord::StoreManager& StoreManager();
+
+private:
+    Core() = default;
+    Core(Core const& rhs) = delete;
+    Core& operator=(Core const& rhs) = delete;
+    Core(Core&& rhs) = delete;
+    Core& operator=(Core&& rhs) = delete;
+
+    IDiscordCore* internal_;
+    Event<LogLevel, char const*> setLogHook_;
+    discord::ApplicationManager applicationManager_;
+    discord::UserManager userManager_;
+    discord::ImageManager imageManager_;
+    discord::ActivityManager activityManager_;
+    discord::RelationshipManager relationshipManager_;
+    discord::LobbyManager lobbyManager_;
+    discord::NetworkManager networkManager_;
+    discord::OverlayManager overlayManager_;
+    discord::StorageManager storageManager_;
+    discord::StoreManager storeManager_;
+};
+
+} // namespace discord

source/application/discord/discord.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "types.h"
+#include "core.h"
+#include "application_manager.h"
+#include "user_manager.h"
+#include "image_manager.h"
+#include "activity_manager.h"
+#include "relationship_manager.h"
+#include "lobby_manager.h"
+#include "network_manager.h"
+#include "overlay_manager.h"
+#include "storage_manager.h"
+#include "store_manager.h"

source/application/discord/event.h

@@ -0,0 +1,59 @@
+#pragma once
+
+#include <functional>
+#include <vector>
+
+namespace discord {
+
+template <typename... Args>
+class Event final {
+public:
+    using Token = int;
+
+    Event() { slots_.reserve(4); }
+
+    Event(Event const&) = default;
+    Event(Event&&) = default;
+    ~Event() = default;
+
+    Event& operator=(Event const&) = default;
+    Event& operator=(Event&&) = default;
+
+    template <typename EventHandler>
+    Token Connect(EventHandler slot)
+    {
+        slots_.emplace_back(Slot{nextToken_, std::move(slot)});
+        return nextToken_++;
+    }
+
+    void Disconnect(Token token)
+    {
+        for (auto& slot : slots_) {
+            if (slot.token == token) {
+                slot = slots_.back();
+                slots_.pop_back();
+                break;
+            }
+        }
+    }
+
+    void DisconnectAll() { slots_ = {}; }
+
+    void operator()(Args... args)
+    {
+        for (auto const& slot : slots_) {
+            slot.fn(std::forward<Args>(args)...);
+        }
+    }
+
+private:
+    struct Slot {
+        Token token;
+        std::function<void(Args...)> fn;
+    };
+
+    Token nextToken_{};
+    std::vector<Slot> slots_{};
+};
+
+} // namespace discord

source/application/discord/ffi.h

@@ -0,0 +1,790 @@
+#ifndef _DISCORD_GAME_SDK_H_
+#define _DISCORD_GAME_SDK_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <string.h>
+#ifndef __cplusplus
+#include <stdbool.h>
+#endif
+
+#define DISCORD_VERSION 2
+#define DISCORD_APPLICATION_MANAGER_VERSION 1
+#define DISCORD_USER_MANAGER_VERSION 1
+#define DISCORD_IMAGE_MANAGER_VERSION 1
+#define DISCORD_ACTIVITY_MANAGER_VERSION 1
+#define DISCORD_RELATIONSHIP_MANAGER_VERSION 1
+#define DISCORD_LOBBY_MANAGER_VERSION 1
+#define DISCORD_NETWORK_MANAGER_VERSION 1
+#define DISCORD_OVERLAY_MANAGER_VERSION 1
+#define DISCORD_STORAGE_MANAGER_VERSION 1
+#define DISCORD_STORE_MANAGER_VERSION 1
+
+enum EDiscordResult {
+    DiscordResult_Ok,
+    DiscordResult_ServiceUnavailable,
+    DiscordResult_InvalidVersion,
+    DiscordResult_LockFailed,
+    DiscordResult_InternalError,
+    DiscordResult_InvalidPayload,
+    DiscordResult_InvalidCommand,
+    DiscordResult_InvalidPermissions,
+    DiscordResult_NotFetched,
+    DiscordResult_NotFound,
+    DiscordResult_Conflict,
+    DiscordResult_InvalidSecret,
+    DiscordResult_InvalidJoinSecret,
+    DiscordResult_NoEligibleActivity,
+    DiscordResult_InvalidInvite,
+    DiscordResult_NotAuthenticated,
+    DiscordResult_InvalidAccessToken,
+    DiscordResult_ApplicationMismatch,
+    DiscordResult_InvalidDataUrl,
+    DiscordResult_InvalidBase64,
+    DiscordResult_NotFiltered,
+    DiscordResult_LobbyFull,
+    DiscordResult_InvalidLobbySecret,
+    DiscordResult_InvalidFilename,
+    DiscordResult_InvalidFileSize,
+    DiscordResult_InvalidEntitlement,
+    DiscordResult_NotInstalled,
+    DiscordResult_NotRunning,
+    DiscordResult_InsufficientBuffer,
+    DiscordResult_PurchaseCanceled,
+};
+
+enum EDiscordCreateFlags {
+    DiscordCreateFlags_Default = 0,
+    DiscordCreateFlags_NoRequireDiscord = 1,
+};
+
+enum EDiscordLogLevel {
+    DiscordLogLevel_Error = 1,
+    DiscordLogLevel_Warn,
+    DiscordLogLevel_Info,
+    DiscordLogLevel_Debug,
+};
+
+enum EDiscordImageType {
+    DiscordImageType_User,
+};
+
+enum EDiscordActivityType {
+    DiscordActivityType_Playing,
+    DiscordActivityType_Streaming,
+    DiscordActivityType_Listening,
+    DiscordActivityType_Watching,
+};
+
+enum EDiscordActivityActionType {
+    DiscordActivityActionType_Join = 1,
+    DiscordActivityActionType_Spectate,
+};
+
+enum EDiscordActivityJoinRequestReply {
+    DiscordActivityJoinRequestReply_No,
+    DiscordActivityJoinRequestReply_Yes,
+    DiscordActivityJoinRequestReply_Ignore,
+};
+
+enum EDiscordStatus {
+    DiscordStatus_Offline = 0,
+    DiscordStatus_Online = 1,
+    DiscordStatus_Idle = 2,
+    DiscordStatus_DoNotDisturb = 3,
+};
+
+enum EDiscordRelationshipType {
+    DiscordRelationshipType_None,
+    DiscordRelationshipType_Friend,
+    DiscordRelationshipType_Blocked,
+    DiscordRelationshipType_PendingIncoming,
+    DiscordRelationshipType_PendingOutgoing,
+    DiscordRelationshipType_Implicit,
+};
+
+enum EDiscordLobbyType {
+    DiscordLobbyType_Private = 1,
+    DiscordLobbyType_Public,
+};
+
+enum EDiscordLobbySearchComparison {
+    DiscordLobbySearchComparison_LessThanOrEqual = -2,
+    DiscordLobbySearchComparison_LessThan,
+    DiscordLobbySearchComparison_Equal,
+    DiscordLobbySearchComparison_GreaterThan,
+    DiscordLobbySearchComparison_GreaterThanOrEqual,
+    DiscordLobbySearchComparison_NotEqual,
+};
+
+enum EDiscordLobbySearchCast {
+    DiscordLobbySearchCast_String = 1,
+    DiscordLobbySearchCast_Number,
+};
+
+enum EDiscordLobbySearchDistance {
+    DiscordLobbySearchDistance_Local,
+    DiscordLobbySearchDistance_Default,
+    DiscordLobbySearchDistance_Extended,
+    DiscordLobbySearchDistance_Global,
+};
+
+enum EDiscordEntitlementType {
+    DiscordEntitlementType_Purchase = 1,
+    DiscordEntitlementType_PremiumSubscription,
+    DiscordEntitlementType_DeveloperGift,
+};
+
+enum EDiscordSkuType {
+    DiscordSkuType_Application = 1,
+    DiscordSkuType_DLC,
+    DiscordSkuType_Consumable,
+    DiscordSkuType_Bundle,
+};
+
+typedef int64_t DiscordClientId;
+typedef int32_t DiscordVersion;
+typedef int64_t DiscordSnowflake;
+typedef int64_t DiscordTimestamp;
+typedef DiscordSnowflake DiscordUserId;
+typedef char DiscordLocale[128];
+typedef char DiscordBranch[4096];
+typedef DiscordSnowflake DiscordLobbyId;
+typedef char DiscordLobbySecret[128];
+typedef char DiscordMetadataKey[256];
+typedef char DiscordMetadataValue[4096];
+typedef uint64_t DiscordNetworkPeerId;
+typedef uint8_t DiscordNetworkChannelId;
+
+struct DiscordUser {
+    DiscordUserId id;
+    char username[256];
+    char discriminator[8];
+    char avatar[128];
+    bool bot;
+};
+
+struct DiscordOAuth2Token {
+    char access_token[128];
+    char scopes[1024];
+    DiscordTimestamp expires;
+};
+
+struct DiscordImageHandle {
+    enum EDiscordImageType type;
+    int64_t id;
+    uint32_t size;
+};
+
+struct DiscordImageDimensions {
+    uint32_t width;
+    uint32_t height;
+};
+
+struct DiscordActivityTimestamps {
+    DiscordTimestamp start;
+    DiscordTimestamp end;
+};
+
+struct DiscordActivityAssets {
+    char large_image[128];
+    char large_text[128];
+    char small_image[128];
+    char small_text[128];
+};
+
+struct DiscordPartySize {
+    int32_t current_size;
+    int32_t max_size;
+};
+
+struct DiscordActivityParty {
+    char id[128];
+    struct DiscordPartySize size;
+};
+
+struct DiscordActivitySecrets {
+    char match[128];
+    char join[128];
+    char spectate[128];
+};
+
+struct DiscordActivity {
+    enum EDiscordActivityType type;
+    int64_t application_id;
+    char name[128];
+    char state[128];
+    char details[128];
+    struct DiscordActivityTimestamps timestamps;
+    struct DiscordActivityAssets assets;
+    struct DiscordActivityParty party;
+    struct DiscordActivitySecrets secrets;
+    bool instance;
+};
+
+struct DiscordPresence {
+    enum EDiscordStatus status;
+    struct DiscordActivity activity;
+};
+
+struct DiscordRelationship {
+    enum EDiscordRelationshipType type;
+    struct DiscordUser user;
+    struct DiscordPresence presence;
+};
+
+struct DiscordLobby {
+    DiscordLobbyId id;
+    enum EDiscordLobbyType type;
+    DiscordUserId owner_id;
+    DiscordLobbySecret secret;
+    uint32_t capacity;
+    bool locked;
+};
+
+struct DiscordFileStat {
+    char filename[260];
+    uint64_t size;
+    uint64_t last_modified;
+};
+
+struct DiscordEntitlement {
+    DiscordSnowflake id;
+    enum EDiscordEntitlementType type;
+    DiscordSnowflake sku_id;
+};
+
+struct DiscordSkuPrice {
+    uint32_t amount;
+    char currency[16];
+};
+
+struct DiscordSku {
+    DiscordSnowflake id;
+    enum EDiscordSkuType type;
+    char name[256];
+    struct DiscordSkuPrice price;
+};
+
+struct IDiscordLobbyTransaction {
+    enum EDiscordResult (*set_type)(struct IDiscordLobbyTransaction* lobby_transaction,
+                                    enum EDiscordLobbyType type);
+    enum EDiscordResult (*set_owner)(struct IDiscordLobbyTransaction* lobby_transaction,
+                                     DiscordUserId owner_id);
+    enum EDiscordResult (*set_capacity)(struct IDiscordLobbyTransaction* lobby_transaction,
+                                        uint32_t capacity);
+    enum EDiscordResult (*set_metadata)(struct IDiscordLobbyTransaction* lobby_transaction,
+                                        DiscordMetadataKey key,
+                                        DiscordMetadataValue value);
+    enum EDiscordResult (*delete_metadata)(struct IDiscordLobbyTransaction* lobby_transaction,
+                                           DiscordMetadataKey key);
+    enum EDiscordResult (*set_locked)(struct IDiscordLobbyTransaction* lobby_transaction,
+                                      bool locked);
+};
+
+struct IDiscordLobbyMemberTransaction {
+    enum EDiscordResult (*set_metadata)(
+      struct IDiscordLobbyMemberTransaction* lobby_member_transaction,
+      DiscordMetadataKey key,
+      DiscordMetadataValue value);
+    enum EDiscordResult (*delete_metadata)(
+      struct IDiscordLobbyMemberTransaction* lobby_member_transaction,
+      DiscordMetadataKey key);
+};
+
+struct IDiscordLobbySearchQuery {
+    enum EDiscordResult (*filter)(struct IDiscordLobbySearchQuery* lobby_search_query,
+                                  DiscordMetadataKey key,
+                                  enum EDiscordLobbySearchComparison comparison,
+                                  enum EDiscordLobbySearchCast cast,
+                                  DiscordMetadataValue value);
+    enum EDiscordResult (*sort)(struct IDiscordLobbySearchQuery* lobby_search_query,
+                                DiscordMetadataKey key,
+                                enum EDiscordLobbySearchCast cast,
+                                DiscordMetadataValue value);
+    enum EDiscordResult (*limit)(struct IDiscordLobbySearchQuery* lobby_search_query,
+                                 uint32_t limit);
+    enum EDiscordResult (*distance)(struct IDiscordLobbySearchQuery* lobby_search_query,
+                                    enum EDiscordLobbySearchDistance distance);
+};
+
+typedef void* IDiscordApplicationEvents;
+
+struct IDiscordApplicationManager {
+    void (*validate_or_exit)(struct IDiscordApplicationManager* manager,
+                             void* callback_data,
+                             void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*get_current_locale)(struct IDiscordApplicationManager* manager, DiscordLocale* locale);
+    void (*get_current_branch)(struct IDiscordApplicationManager* manager, DiscordBranch* branch);
+    void (*get_oauth2_token)(struct IDiscordApplicationManager* manager,
+                             void* callback_data,
+                             void (*callback)(void* callback_data,
+                                              enum EDiscordResult result,
+                                              struct DiscordOAuth2Token* oauth2_token));
+};
+
+struct IDiscordUserEvents {
+    void (*on_current_user_update)(void* event_data);
+};
+
+struct IDiscordUserManager {
+    enum EDiscordResult (*get_current_user)(struct IDiscordUserManager* manager,
+                                            struct DiscordUser* current_user);
+    void (*get_user)(struct IDiscordUserManager* manager,
+                     DiscordUserId user_id,
+                     void* callback_data,
+                     void (*callback)(void* callback_data,
+                                      enum EDiscordResult result,
+                                      struct DiscordUser* user));
+};
+
+typedef void* IDiscordImageEvents;
+
+struct IDiscordImageManager {
+    void (*fetch)(struct IDiscordImageManager* manager,
+                  struct DiscordImageHandle handle,
+                  bool refresh,
+                  void* callback_data,
+                  void (*callback)(void* callback_data,
+                                   enum EDiscordResult result,
+                                   struct DiscordImageHandle handle_result));
+    enum EDiscordResult (*get_dimensions)(struct IDiscordImageManager* manager,
+                                          struct DiscordImageHandle handle,
+                                          struct DiscordImageDimensions* dimensions);
+    enum EDiscordResult (*get_data)(struct IDiscordImageManager* manager,
+                                    struct DiscordImageHandle handle,
+                                    uint8_t* data,
+                                    uint32_t data_length);
+};
+
+struct IDiscordActivityEvents {
+    void (*on_activity_join)(void* event_data, const char* secret);
+    void (*on_activity_spectate)(void* event_data, const char* secret);
+    void (*on_activity_join_request)(void* event_data, struct DiscordUser* user);
+    void (*on_activity_invite)(void* event_data,
+                               enum EDiscordActivityActionType type,
+                               struct DiscordUser* user,
+                               struct DiscordActivity* activity);
+};
+
+struct IDiscordActivityManager {
+    enum EDiscordResult (*register_command)(struct IDiscordActivityManager* manager,
+                                            const char* command);
+    enum EDiscordResult (*register_steam)(struct IDiscordActivityManager* manager,
+                                          uint32_t steam_id);
+    void (*update_activity)(struct IDiscordActivityManager* manager,
+                            struct DiscordActivity* activity,
+                            void* callback_data,
+                            void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*clear_activity)(struct IDiscordActivityManager* manager,
+                           void* callback_data,
+                           void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*send_request_reply)(struct IDiscordActivityManager* manager,
+                               DiscordUserId user_id,
+                               enum EDiscordActivityJoinRequestReply reply,
+                               void* callback_data,
+                               void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*send_invite)(struct IDiscordActivityManager* manager,
+                        DiscordUserId user_id,
+                        enum EDiscordActivityActionType type,
+                        const char* content,
+                        void* callback_data,
+                        void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*accept_invite)(struct IDiscordActivityManager* manager,
+                          DiscordUserId user_id,
+                          void* callback_data,
+                          void (*callback)(void* callback_data, enum EDiscordResult result));
+};
+
+struct IDiscordRelationshipEvents {
+    void (*on_refresh)(void* event_data);
+    void (*on_relationship_update)(void* event_data, struct DiscordRelationship* relationship);
+};
+
+struct IDiscordRelationshipManager {
+    void (*filter)(struct IDiscordRelationshipManager* manager,
+                   void* filter_data,
+                   bool (*filter)(void* filter_data, struct DiscordRelationship* relationship));
+    enum EDiscordResult (*count)(struct IDiscordRelationshipManager* manager, int32_t* count);
+    enum EDiscordResult (*get)(struct IDiscordRelationshipManager* manager,
+                               DiscordUserId user_id,
+                               struct DiscordRelationship* relationship);
+    enum EDiscordResult (*get_at)(struct IDiscordRelationshipManager* manager,
+                                  uint32_t index,
+                                  struct DiscordRelationship* relationship);
+};
+
+struct IDiscordLobbyEvents {
+    void (*on_lobby_update)(void* event_data, int64_t lobby_id);
+    void (*on_lobby_delete)(void* event_data, int64_t lobby_id, uint32_t reason);
+    void (*on_member_connect)(void* event_data, int64_t lobby_id, int64_t user_id);
+    void (*on_member_update)(void* event_data, int64_t lobby_id, int64_t user_id);
+    void (*on_member_disconnect)(void* event_data, int64_t lobby_id, int64_t user_id);
+    void (*on_lobby_message)(void* event_data,
+                             int64_t lobby_id,
+                             int64_t user_id,
+                             uint8_t* data,
+                             uint32_t data_length);
+    void (*on_speaking)(void* event_data, int64_t lobby_id, int64_t user_id, bool speaking);
+    void (*on_network_message)(void* event_data,
+                               int64_t lobby_id,
+                               int64_t user_id,
+                               uint8_t channel_id,
+                               uint8_t* data,
+                               uint32_t data_length);
+};
+
+struct IDiscordLobbyManager {
+    enum EDiscordResult (*get_lobby_create_transaction)(
+      struct IDiscordLobbyManager* manager,
+      struct IDiscordLobbyTransaction** transaction);
+    enum EDiscordResult (*get_lobby_update_transaction)(
+      struct IDiscordLobbyManager* manager,
+      DiscordLobbyId lobby_id,
+      struct IDiscordLobbyTransaction** transaction);
+    enum EDiscordResult (*get_member_update_transaction)(
+      struct IDiscordLobbyManager* manager,
+      DiscordLobbyId lobby_id,
+      DiscordUserId user_id,
+      struct IDiscordLobbyMemberTransaction** transaction);
+    void (*create_lobby)(struct IDiscordLobbyManager* manager,
+                         struct IDiscordLobbyTransaction* transaction,
+                         void* callback_data,
+                         void (*callback)(void* callback_data,
+                                          enum EDiscordResult result,
+                                          struct DiscordLobby* lobby));
+    void (*update_lobby)(struct IDiscordLobbyManager* manager,
+                         DiscordLobbyId lobby_id,
+                         struct IDiscordLobbyTransaction* transaction,
+                         void* callback_data,
+                         void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*delete_lobby)(struct IDiscordLobbyManager* manager,
+                         DiscordLobbyId lobby_id,
+                         void* callback_data,
+                         void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*connect_lobby)(struct IDiscordLobbyManager* manager,
+                          DiscordLobbyId lobby_id,
+                          DiscordLobbySecret secret,
+                          void* callback_data,
+                          void (*callback)(void* callback_data,
+                                           enum EDiscordResult result,
+                                           struct DiscordLobby* lobby));
+    void (*connect_lobby_with_activity_secret)(struct IDiscordLobbyManager* manager,
+                                               DiscordLobbySecret activity_secret,
+                                               void* callback_data,
+                                               void (*callback)(void* callback_data,
+                                                                enum EDiscordResult result,
+                                                                struct DiscordLobby* lobby));
+    void (*disconnect_lobby)(struct IDiscordLobbyManager* manager,
+                             DiscordLobbyId lobby_id,
+                             void* callback_data,
+                             void (*callback)(void* callback_data, enum EDiscordResult result));
+    enum EDiscordResult (*get_lobby)(struct IDiscordLobbyManager* manager,
+                                     DiscordLobbyId lobby_id,
+                                     struct DiscordLobby* lobby);
+    enum EDiscordResult (*get_lobby_activity_secret)(struct IDiscordLobbyManager* manager,
+                                                     DiscordLobbyId lobby_id,
+                                                     DiscordLobbySecret* secret);
+    enum EDiscordResult (*get_lobby_metadata_value)(struct IDiscordLobbyManager* manager,
+                                                    DiscordLobbyId lobby_id,
+                                                    DiscordMetadataKey key,
+                                                    DiscordMetadataValue* value);
+    enum EDiscordResult (*get_lobby_metadata_key)(struct IDiscordLobbyManager* manager,
+                                                  DiscordLobbyId lobby_id,
+                                                  int32_t index,
+                                                  DiscordMetadataKey* key);
+    enum EDiscordResult (*lobby_metadata_count)(struct IDiscordLobbyManager* manager,
+                                                DiscordLobbyId lobby_id,
+                                                int32_t* count);
+    enum EDiscordResult (*member_count)(struct IDiscordLobbyManager* manager,
+                                        DiscordLobbyId lobby_id,
+                                        int32_t* count);
+    enum EDiscordResult (*get_member_user_id)(struct IDiscordLobbyManager* manager,
+                                              DiscordLobbyId lobby_id,
+                                              int32_t index,
+                                              DiscordUserId* user_id);
+    enum EDiscordResult (*get_member_user)(struct IDiscordLobbyManager* manager,
+                                           DiscordLobbyId lobby_id,
+                                           DiscordUserId user_id,
+                                           struct DiscordUser* user);
+    enum EDiscordResult (*get_member_metadata_value)(struct IDiscordLobbyManager* manager,
+                                                     DiscordLobbyId lobby_id,
+                                                     DiscordUserId user_id,
+                                                     DiscordMetadataKey key,
+                                                     DiscordMetadataValue* value);
+    enum EDiscordResult (*get_member_metadata_key)(struct IDiscordLobbyManager* manager,
+                                                   DiscordLobbyId lobby_id,
+                                                   DiscordUserId user_id,
+                                                   int32_t index,
+                                                   DiscordMetadataKey* key);
+    enum EDiscordResult (*member_metadata_count)(struct IDiscordLobbyManager* manager,
+                                                 DiscordLobbyId lobby_id,
+                                                 DiscordUserId user_id,
+                                                 int32_t* count);
+    void (*update_member)(struct IDiscordLobbyManager* manager,
+                          DiscordLobbyId lobby_id,
+                          DiscordUserId user_id,
+                          struct IDiscordLobbyMemberTransaction* transaction,
+                          void* callback_data,
+                          void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*send_lobby_message)(struct IDiscordLobbyManager* manager,
+                               DiscordLobbyId lobby_id,
+                               uint8_t* data,
+                               uint32_t data_length,
+                               void* callback_data,
+                               void (*callback)(void* callback_data, enum EDiscordResult result));
+    enum EDiscordResult (*get_search_query)(struct IDiscordLobbyManager* manager,
+                                            struct IDiscordLobbySearchQuery** query);
+    void (*search)(struct IDiscordLobbyManager* manager,
+                   struct IDiscordLobbySearchQuery* query,
+                   void* callback_data,
+                   void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*lobby_count)(struct IDiscordLobbyManager* manager, int32_t* count);
+    enum EDiscordResult (*get_lobby_id)(struct IDiscordLobbyManager* manager,
+                                        int32_t index,
+                                        DiscordLobbyId* lobby_id);
+    void (*connect_voice)(struct IDiscordLobbyManager* manager,
+                          DiscordLobbyId lobby_id,
+                          void* callback_data,
+                          void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*disconnect_voice)(struct IDiscordLobbyManager* manager,
+                             DiscordLobbyId lobby_id,
+                             void* callback_data,
+                             void (*callback)(void* callback_data, enum EDiscordResult result));
+    enum EDiscordResult (*connect_network)(struct IDiscordLobbyManager* manager,
+                                           DiscordLobbyId lobby_id);
+    enum EDiscordResult (*disconnect_network)(struct IDiscordLobbyManager* manager,
+                                              DiscordLobbyId lobby_id);
+    enum EDiscordResult (*flush_network)(struct IDiscordLobbyManager* manager);
+    enum EDiscordResult (*open_network_channel)(struct IDiscordLobbyManager* manager,
+                                                DiscordLobbyId lobby_id,
+                                                uint8_t channel_id,
+                                                bool reliable);
+    enum EDiscordResult (*send_network_message)(struct IDiscordLobbyManager* manager,
+                                                DiscordLobbyId lobby_id,
+                                                DiscordUserId user_id,
+                                                uint8_t channel_id,
+                                                uint8_t* data,
+                                                uint32_t data_length);
+};
+
+struct IDiscordNetworkEvents {
+    void (*on_message)(void* event_data,
+                       DiscordNetworkPeerId peer_id,
+                       DiscordNetworkChannelId channel_id,
+                       uint8_t* data,
+                       uint32_t data_length);
+    void (*on_route_update)(void* event_data, const char* route_data);
+};
+
+struct IDiscordNetworkManager {
+    void (*get_peer_id)(struct IDiscordNetworkManager* manager, DiscordNetworkPeerId* peer_id);
+    enum EDiscordResult (*flush)(struct IDiscordNetworkManager* manager);
+    enum EDiscordResult (*open_peer)(struct IDiscordNetworkManager* manager,
+                                     DiscordNetworkPeerId peer_id,
+                                     const char* route_data);
+    enum EDiscordResult (*update_peer)(struct IDiscordNetworkManager* manager,
+                                       DiscordNetworkPeerId peer_id,
+                                       const char* route_data);
+    enum EDiscordResult (*close_peer)(struct IDiscordNetworkManager* manager,
+                                      DiscordNetworkPeerId peer_id);
+    enum EDiscordResult (*open_channel)(struct IDiscordNetworkManager* manager,
+                                        DiscordNetworkPeerId peer_id,
+                                        DiscordNetworkChannelId channel_id,
+                                        bool reliable);
+    enum EDiscordResult (*close_channel)(struct IDiscordNetworkManager* manager,
+                                         DiscordNetworkPeerId peer_id,
+                                         DiscordNetworkChannelId channel_id);
+    enum EDiscordResult (*send_message)(struct IDiscordNetworkManager* manager,
+                                        DiscordNetworkPeerId peer_id,
+                                        DiscordNetworkChannelId channel_id,
+                                        uint8_t* data,
+                                        uint32_t data_length);
+};
+
+struct IDiscordOverlayEvents {
+    void (*on_toggle)(void* event_data, bool locked);
+};
+
+struct IDiscordOverlayManager {
+    void (*is_enabled)(struct IDiscordOverlayManager* manager, bool* enabled);
+    void (*is_locked)(struct IDiscordOverlayManager* manager, bool* locked);
+    void (*set_locked)(struct IDiscordOverlayManager* manager,
+                       bool locked,
+                       void* callback_data,
+                       void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*open_activity_invite)(struct IDiscordOverlayManager* manager,
+                                 enum EDiscordActivityActionType type,
+                                 void* callback_data,
+                                 void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*open_guild_invite)(struct IDiscordOverlayManager* manager,
+                              const char* code,
+                              void* callback_data,
+                              void (*callback)(void* callback_data, enum EDiscordResult result));
+};
+
+typedef void* IDiscordStorageEvents;
+
+struct IDiscordStorageManager {
+    enum EDiscordResult (*read)(struct IDiscordStorageManager* manager,
+                                const char* name,
+                                uint8_t* data,
+                                uint32_t data_length,
+                                uint32_t* read);
+    void (*read_async)(struct IDiscordStorageManager* manager,
+                       const char* name,
+                       void* callback_data,
+                       void (*callback)(void* callback_data,
+                                        enum EDiscordResult result,
+                                        uint8_t* data,
+                                        uint32_t data_length));
+    void (*read_async_partial)(struct IDiscordStorageManager* manager,
+                               const char* name,
+                               uint64_t offset,
+                               uint64_t length,
+                               void* callback_data,
+                               void (*callback)(void* callback_data,
+                                                enum EDiscordResult result,
+                                                uint8_t* data,
+                                                uint32_t data_length));
+    enum EDiscordResult (*write)(struct IDiscordStorageManager* manager,
+                                 const char* name,
+                                 uint8_t* data,
+                                 uint32_t data_length);
+    void (*write_async)(struct IDiscordStorageManager* manager,
+                        const char* name,
+                        uint8_t* data,
+                        uint32_t data_length,
+                        void* callback_data,
+                        void (*callback)(void* callback_data, enum EDiscordResult result));
+    enum EDiscordResult (*delete_)(struct IDiscordStorageManager* manager, const char* name);
+    enum EDiscordResult (*exists)(struct IDiscordStorageManager* manager,
+                                  const char* name,
+                                  bool* exists);
+    void (*count)(struct IDiscordStorageManager* manager, int32_t* count);
+    enum EDiscordResult (*stat)(struct IDiscordStorageManager* manager,
+                                const char* name,
+                                struct DiscordFileStat* stat);
+    enum EDiscordResult (*stat_at)(struct IDiscordStorageManager* manager,
+                                   int32_t index,
+                                   struct DiscordFileStat* stat);
+};
+
+struct IDiscordStoreEvents {
+    void (*on_entitlement_create)(void* event_data, struct DiscordEntitlement* entitlement);
+    void (*on_entitlement_delete)(void* event_data, struct DiscordEntitlement* entitlement);
+};
+
+struct IDiscordStoreManager {
+    void (*fetch_skus)(struct IDiscordStoreManager* manager,
+                       void* callback_data,
+                       void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*count_skus)(struct IDiscordStoreManager* manager, int32_t* count);
+    enum EDiscordResult (*get_sku)(struct IDiscordStoreManager* manager,
+                                   DiscordSnowflake sku_id,
+                                   struct DiscordSku* sku);
+    enum EDiscordResult (*get_sku_at)(struct IDiscordStoreManager* manager,
+                                      int32_t index,
+                                      struct DiscordSku* sku);
+    void (*fetch_entitlements)(struct IDiscordStoreManager* manager,
+                               void* callback_data,
+                               void (*callback)(void* callback_data, enum EDiscordResult result));
+    void (*count_entitlements)(struct IDiscordStoreManager* manager, int32_t* count);
+    enum EDiscordResult (*get_entitlement)(struct IDiscordStoreManager* manager,
+                                           DiscordSnowflake entitlement_id,
+                                           struct DiscordEntitlement* entitlement);
+    enum EDiscordResult (*get_entitlement_at)(struct IDiscordStoreManager* manager,
+                                              int32_t index,
+                                              struct DiscordEntitlement* entitlement);
+    enum EDiscordResult (*has_sku_entitlement)(struct IDiscordStoreManager* manager,
+                                               DiscordSnowflake sku_id,
+                                               bool* has_entitlement);
+    void (*start_purchase)(struct IDiscordStoreManager* manager,
+                           DiscordSnowflake sku_id,
+                           void* callback_data,
+                           void (*callback)(void* callback_data, enum EDiscordResult result));
+};
+
+typedef void* IDiscordCoreEvents;
+
+struct IDiscordCore {
+    void (*destroy)(struct IDiscordCore* core);
+    enum EDiscordResult (*run_callbacks)(struct IDiscordCore* core);
+    void (*set_log_hook)(struct IDiscordCore* core,
+                         enum EDiscordLogLevel min_level,
+                         void* hook_data,
+                         void (*hook)(void* hook_data,
+                                      enum EDiscordLogLevel level,
+                                      const char* message));
+    struct IDiscordApplicationManager* (*get_application_manager)(struct IDiscordCore* core);
+    struct IDiscordUserManager* (*get_user_manager)(struct IDiscordCore* core);
+    struct IDiscordImageManager* (*get_image_manager)(struct IDiscordCore* core);
+    struct IDiscordActivityManager* (*get_activity_manager)(struct IDiscordCore* core);
+    struct IDiscordRelationshipManager* (*get_relationship_manager)(struct IDiscordCore* core);
+    struct IDiscordLobbyManager* (*get_lobby_manager)(struct IDiscordCore* core);
+    struct IDiscordNetworkManager* (*get_network_manager)(struct IDiscordCore* core);
+    struct IDiscordOverlayManager* (*get_overlay_manager)(struct IDiscordCore* core);
+    struct IDiscordStorageManager* (*get_storage_manager)(struct IDiscordCore* core);
+    struct IDiscordStoreManager* (*get_store_manager)(struct IDiscordCore* core);
+};
+
+struct DiscordCreateParams {
+    DiscordClientId client_id;
+    uint64_t flags;
+    IDiscordCoreEvents* events;
+    void* event_data;
+    IDiscordApplicationEvents* application_events;
+    DiscordVersion application_version;
+    struct IDiscordUserEvents* user_events;
+    DiscordVersion user_version;
+    IDiscordImageEvents* image_events;
+    DiscordVersion image_version;
+    struct IDiscordActivityEvents* activity_events;
+    DiscordVersion activity_version;
+    struct IDiscordRelationshipEvents* relationship_events;
+    DiscordVersion relationship_version;
+    struct IDiscordLobbyEvents* lobby_events;
+    DiscordVersion lobby_version;
+    struct IDiscordNetworkEvents* network_events;
+    DiscordVersion network_version;
+    struct IDiscordOverlayEvents* overlay_events;
+    DiscordVersion overlay_version;
+    IDiscordStorageEvents* storage_events;
+    DiscordVersion storage_version;
+    struct IDiscordStoreEvents* store_events;
+    DiscordVersion store_version;
+};
+
+#ifdef __cplusplus
+inline
+#else
+static
+#endif
+  void
+  DiscordCreateParamsSetDefault(struct DiscordCreateParams* params)
+{
+    memset(params, 0, sizeof(struct DiscordCreateParams));
+    params->application_version = DISCORD_APPLICATION_MANAGER_VERSION;
+    params->user_version = DISCORD_USER_MANAGER_VERSION;
+    params->image_version = DISCORD_IMAGE_MANAGER_VERSION;
+    params->activity_version = DISCORD_ACTIVITY_MANAGER_VERSION;
+    params->relationship_version = DISCORD_RELATIONSHIP_MANAGER_VERSION;
+    params->lobby_version = DISCORD_LOBBY_MANAGER_VERSION;
+    params->network_version = DISCORD_NETWORK_MANAGER_VERSION;
+    params->overlay_version = DISCORD_OVERLAY_MANAGER_VERSION;
+    params->storage_version = DISCORD_STORAGE_MANAGER_VERSION;
+    params->store_version = DISCORD_STORE_MANAGER_VERSION;
+}
+
+enum EDiscordResult DiscordCreate(DiscordVersion version,
+                                  struct DiscordCreateParams* params,
+                                  struct IDiscordCore** result);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

source/application/discord/image_manager.cpp

@@ -0,0 +1,57 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "image_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+void ImageManager::Fetch(ImageHandle handle,
+                         bool refresh,
+                         std::function<void(Result, ImageHandle)> callback)
+{
+    static auto wrapper =
+      [](void* callbackData, EDiscordResult result, DiscordImageHandle handleResult) -> void {
+        std::unique_ptr<std::function<void(Result, ImageHandle)>> cb(
+          reinterpret_cast<std::function<void(Result, ImageHandle)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result), *reinterpret_cast<ImageHandle const*>(&handleResult));
+    };
+    std::unique_ptr<std::function<void(Result, ImageHandle)>> cb{};
+    cb.reset(new std::function<void(Result, ImageHandle)>(std::move(callback)));
+    internal_->fetch(internal_,
+                     *reinterpret_cast<DiscordImageHandle const*>(&handle),
+                     (refresh ? 1 : 0),
+                     cb.release(),
+                     wrapper);
+}
+
+Result ImageManager::GetDimensions(ImageHandle handle, ImageDimensions* dimensions)
+{
+    if (!dimensions) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_dimensions(internal_,
+                                            *reinterpret_cast<DiscordImageHandle const*>(&handle),
+                                            reinterpret_cast<DiscordImageDimensions*>(dimensions));
+    return static_cast<Result>(result);
+}
+
+Result ImageManager::GetData(ImageHandle handle, std::uint8_t* data, std::uint32_t dataLength)
+{
+    auto result = internal_->get_data(internal_,
+                                      *reinterpret_cast<DiscordImageHandle const*>(&handle),
+                                      reinterpret_cast<uint8_t*>(data),
+                                      dataLength);
+    return static_cast<Result>(result);
+}
+
+} // namespace discord

source/application/discord/image_manager.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class ImageManager final {
+public:
+    ~ImageManager() = default;
+
+    void Fetch(ImageHandle handle, bool refresh, std::function<void(Result, ImageHandle)> callback);
+    Result GetDimensions(ImageHandle handle, ImageDimensions* dimensions);
+    Result GetData(ImageHandle handle, std::uint8_t* data, std::uint32_t dataLength);
+
+private:
+    friend class Core;
+
+    ImageManager() = default;
+    ImageManager(ImageManager const& rhs) = delete;
+    ImageManager& operator=(ImageManager const& rhs) = delete;
+    ImageManager(ImageManager&& rhs) = delete;
+    ImageManager& operator=(ImageManager&& rhs) = delete;
+
+    IDiscordImageManager* internal_;
+    static IDiscordImageEvents events_;
+};
+
+} // namespace discord

source/application/discord/lobby_manager.cpp

@@ -0,0 +1,547 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "lobby_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+class LobbyEvents final {
+public:
+    static void OnLobbyUpdate(void* callbackData, int64_t lobbyId)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->LobbyManager();
+        module.OnLobbyUpdate(lobbyId);
+    }
+
+    static void OnLobbyDelete(void* callbackData, int64_t lobbyId, uint32_t reason)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->LobbyManager();
+        module.OnLobbyDelete(lobbyId, reason);
+    }
+
+    static void OnMemberConnect(void* callbackData, int64_t lobbyId, int64_t userId)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->LobbyManager();
+        module.OnMemberConnect(lobbyId, userId);
+    }
+
+    static void OnMemberUpdate(void* callbackData, int64_t lobbyId, int64_t userId)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->LobbyManager();
+        module.OnMemberUpdate(lobbyId, userId);
+    }
+
+    static void OnMemberDisconnect(void* callbackData, int64_t lobbyId, int64_t userId)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->LobbyManager();
+        module.OnMemberDisconnect(lobbyId, userId);
+    }
+
+    static void OnLobbyMessage(void* callbackData,
+                               int64_t lobbyId,
+                               int64_t userId,
+                               uint8_t* data,
+                               uint32_t dataLength)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->LobbyManager();
+        module.OnLobbyMessage(lobbyId, userId, data, dataLength);
+    }
+
+    static void OnSpeaking(void* callbackData, int64_t lobbyId, int64_t userId, bool speaking)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->LobbyManager();
+        module.OnSpeaking(lobbyId, userId, (speaking != 0));
+    }
+
+    static void OnNetworkMessage(void* callbackData,
+                                 int64_t lobbyId,
+                                 int64_t userId,
+                                 uint8_t channelId,
+                                 uint8_t* data,
+                                 uint32_t dataLength)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->LobbyManager();
+        module.OnNetworkMessage(lobbyId, userId, channelId, data, dataLength);
+    }
+};
+
+IDiscordLobbyEvents LobbyManager::events_{
+  &LobbyEvents::OnLobbyUpdate,
+  &LobbyEvents::OnLobbyDelete,
+  &LobbyEvents::OnMemberConnect,
+  &LobbyEvents::OnMemberUpdate,
+  &LobbyEvents::OnMemberDisconnect,
+  &LobbyEvents::OnLobbyMessage,
+  &LobbyEvents::OnSpeaking,
+  &LobbyEvents::OnNetworkMessage,
+};
+
+Result LobbyManager::GetLobbyCreateTransaction(LobbyTransaction* transaction)
+{
+    if (!transaction) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_lobby_create_transaction(internal_, transaction->Receive());
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetLobbyUpdateTransaction(LobbyId lobbyId, LobbyTransaction* transaction)
+{
+    if (!transaction) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->get_lobby_update_transaction(internal_, lobbyId, transaction->Receive());
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetMemberUpdateTransaction(LobbyId lobbyId,
+                                                UserId userId,
+                                                LobbyMemberTransaction* transaction)
+{
+    if (!transaction) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->get_member_update_transaction(internal_, lobbyId, userId, transaction->Receive());
+    return static_cast<Result>(result);
+}
+
+void LobbyManager::CreateLobby(LobbyTransaction const& transaction,
+                               std::function<void(Result, Lobby const&)> callback)
+{
+    static auto wrapper =
+      [](void* callbackData, EDiscordResult result, DiscordLobby* lobby) -> void {
+        std::unique_ptr<std::function<void(Result, Lobby const&)>> cb(
+          reinterpret_cast<std::function<void(Result, Lobby const&)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result), *reinterpret_cast<Lobby const*>(lobby));
+    };
+    std::unique_ptr<std::function<void(Result, Lobby const&)>> cb{};
+    cb.reset(new std::function<void(Result, Lobby const&)>(std::move(callback)));
+    internal_->create_lobby(
+      internal_, const_cast<LobbyTransaction&>(transaction).Internal(), cb.release(), wrapper);
+}
+
+void LobbyManager::UpdateLobby(LobbyId lobbyId,
+                               LobbyTransaction const& transaction,
+                               std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->update_lobby(internal_,
+                            lobbyId,
+                            const_cast<LobbyTransaction&>(transaction).Internal(),
+                            cb.release(),
+                            wrapper);
+}
+
+void LobbyManager::DeleteLobby(LobbyId lobbyId, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->delete_lobby(internal_, lobbyId, cb.release(), wrapper);
+}
+
+void LobbyManager::ConnectLobby(LobbyId lobbyId,
+                                LobbySecret secret,
+                                std::function<void(Result, Lobby const&)> callback)
+{
+    static auto wrapper =
+      [](void* callbackData, EDiscordResult result, DiscordLobby* lobby) -> void {
+        std::unique_ptr<std::function<void(Result, Lobby const&)>> cb(
+          reinterpret_cast<std::function<void(Result, Lobby const&)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result), *reinterpret_cast<Lobby const*>(lobby));
+    };
+    std::unique_ptr<std::function<void(Result, Lobby const&)>> cb{};
+    cb.reset(new std::function<void(Result, Lobby const&)>(std::move(callback)));
+    internal_->connect_lobby(internal_, lobbyId, const_cast<char*>(secret), cb.release(), wrapper);
+}
+
+void LobbyManager::ConnectLobbyWithActivitySecret(
+  LobbySecret activitySecret,
+  std::function<void(Result, Lobby const&)> callback)
+{
+    static auto wrapper =
+      [](void* callbackData, EDiscordResult result, DiscordLobby* lobby) -> void {
+        std::unique_ptr<std::function<void(Result, Lobby const&)>> cb(
+          reinterpret_cast<std::function<void(Result, Lobby const&)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result), *reinterpret_cast<Lobby const*>(lobby));
+    };
+    std::unique_ptr<std::function<void(Result, Lobby const&)>> cb{};
+    cb.reset(new std::function<void(Result, Lobby const&)>(std::move(callback)));
+    internal_->connect_lobby_with_activity_secret(
+      internal_, const_cast<char*>(activitySecret), cb.release(), wrapper);
+}
+
+void LobbyManager::DisconnectLobby(LobbyId lobbyId, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->disconnect_lobby(internal_, lobbyId, cb.release(), wrapper);
+}
+
+Result LobbyManager::GetLobby(LobbyId lobbyId, Lobby* lobby)
+{
+    if (!lobby) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_lobby(internal_, lobbyId, reinterpret_cast<DiscordLobby*>(lobby));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetLobbyActivitySecret(LobbyId lobbyId, char secret[128])
+{
+    if (!secret) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_lobby_activity_secret(
+      internal_, lobbyId, reinterpret_cast<DiscordLobbySecret*>(secret));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetLobbyMetadataValue(LobbyId lobbyId, MetadataKey key, char value[4096])
+{
+    if (!value) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_lobby_metadata_value(
+      internal_, lobbyId, const_cast<char*>(key), reinterpret_cast<DiscordMetadataValue*>(value));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetLobbyMetadataKey(LobbyId lobbyId, std::int32_t index, char key[256])
+{
+    if (!key) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_lobby_metadata_key(
+      internal_, lobbyId, index, reinterpret_cast<DiscordMetadataKey*>(key));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::LobbyMetadataCount(LobbyId lobbyId, std::int32_t* count)
+{
+    if (!count) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->lobby_metadata_count(internal_, lobbyId, reinterpret_cast<int32_t*>(count));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::MemberCount(LobbyId lobbyId, std::int32_t* count)
+{
+    if (!count) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->member_count(internal_, lobbyId, reinterpret_cast<int32_t*>(count));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetMemberUserId(LobbyId lobbyId, std::int32_t index, UserId* userId)
+{
+    if (!userId) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->get_member_user_id(internal_, lobbyId, index, reinterpret_cast<int64_t*>(userId));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetMemberUser(LobbyId lobbyId, UserId userId, User* user)
+{
+    if (!user) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->get_member_user(internal_, lobbyId, userId, reinterpret_cast<DiscordUser*>(user));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetMemberMetadataValue(LobbyId lobbyId,
+                                            UserId userId,
+                                            MetadataKey key,
+                                            char value[4096])
+{
+    if (!value) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->get_member_metadata_value(internal_,
+                                           lobbyId,
+                                           userId,
+                                           const_cast<char*>(key),
+                                           reinterpret_cast<DiscordMetadataValue*>(value));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::GetMemberMetadataKey(LobbyId lobbyId,
+                                          UserId userId,
+                                          std::int32_t index,
+                                          char key[256])
+{
+    if (!key) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_member_metadata_key(
+      internal_, lobbyId, userId, index, reinterpret_cast<DiscordMetadataKey*>(key));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::MemberMetadataCount(LobbyId lobbyId, UserId userId, std::int32_t* count)
+{
+    if (!count) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->member_metadata_count(
+      internal_, lobbyId, userId, reinterpret_cast<int32_t*>(count));
+    return static_cast<Result>(result);
+}
+
+void LobbyManager::UpdateMember(LobbyId lobbyId,
+                                UserId userId,
+                                LobbyMemberTransaction const& transaction,
+                                std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->update_member(internal_,
+                             lobbyId,
+                             userId,
+                             const_cast<LobbyMemberTransaction&>(transaction).Internal(),
+                             cb.release(),
+                             wrapper);
+}
+
+void LobbyManager::SendLobbyMessage(LobbyId lobbyId,
+                                    std::uint8_t* data,
+                                    std::uint32_t dataLength,
+                                    std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->send_lobby_message(
+      internal_, lobbyId, reinterpret_cast<uint8_t*>(data), dataLength, cb.release(), wrapper);
+}
+
+Result LobbyManager::GetSearchQuery(LobbySearchQuery* query)
+{
+    if (!query) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_search_query(internal_, query->Receive());
+    return static_cast<Result>(result);
+}
+
+void LobbyManager::Search(LobbySearchQuery const& query, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->search(
+      internal_, const_cast<LobbySearchQuery&>(query).Internal(), cb.release(), wrapper);
+}
+
+void LobbyManager::LobbyCount(std::int32_t* count)
+{
+    if (!count) {
+        return;
+    }
+
+    internal_->lobby_count(internal_, reinterpret_cast<int32_t*>(count));
+}
+
+Result LobbyManager::GetLobbyId(std::int32_t index, LobbyId* lobbyId)
+{
+    if (!lobbyId) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_lobby_id(internal_, index, reinterpret_cast<int64_t*>(lobbyId));
+    return static_cast<Result>(result);
+}
+
+void LobbyManager::ConnectVoice(LobbyId lobbyId, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->connect_voice(internal_, lobbyId, cb.release(), wrapper);
+}
+
+void LobbyManager::DisconnectVoice(LobbyId lobbyId, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->disconnect_voice(internal_, lobbyId, cb.release(), wrapper);
+}
+
+Result LobbyManager::ConnectNetwork(LobbyId lobbyId)
+{
+    auto result = internal_->connect_network(internal_, lobbyId);
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::DisconnectNetwork(LobbyId lobbyId)
+{
+    auto result = internal_->disconnect_network(internal_, lobbyId);
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::FlushNetwork()
+{
+    auto result = internal_->flush_network(internal_);
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::OpenNetworkChannel(LobbyId lobbyId, std::uint8_t channelId, bool reliable)
+{
+    auto result =
+      internal_->open_network_channel(internal_, lobbyId, channelId, (reliable ? 1 : 0));
+    return static_cast<Result>(result);
+}
+
+Result LobbyManager::SendNetworkMessage(LobbyId lobbyId,
+                                        UserId userId,
+                                        std::uint8_t channelId,
+                                        std::uint8_t* data,
+                                        std::uint32_t dataLength)
+{
+    auto result = internal_->send_network_message(
+      internal_, lobbyId, userId, channelId, reinterpret_cast<uint8_t*>(data), dataLength);
+    return static_cast<Result>(result);
+}
+
+} // namespace discord

source/application/discord/lobby_manager.h

@@ -0,0 +1,88 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class LobbyManager final {
+public:
+    ~LobbyManager() = default;
+
+    Result GetLobbyCreateTransaction(LobbyTransaction* transaction);
+    Result GetLobbyUpdateTransaction(LobbyId lobbyId, LobbyTransaction* transaction);
+    Result GetMemberUpdateTransaction(LobbyId lobbyId,
+                                      UserId userId,
+                                      LobbyMemberTransaction* transaction);
+    void CreateLobby(LobbyTransaction const& transaction,
+                     std::function<void(Result, Lobby const&)> callback);
+    void UpdateLobby(LobbyId lobbyId,
+                     LobbyTransaction const& transaction,
+                     std::function<void(Result)> callback);
+    void DeleteLobby(LobbyId lobbyId, std::function<void(Result)> callback);
+    void ConnectLobby(LobbyId lobbyId,
+                      LobbySecret secret,
+                      std::function<void(Result, Lobby const&)> callback);
+    void ConnectLobbyWithActivitySecret(LobbySecret activitySecret,
+                                        std::function<void(Result, Lobby const&)> callback);
+    void DisconnectLobby(LobbyId lobbyId, std::function<void(Result)> callback);
+    Result GetLobby(LobbyId lobbyId, Lobby* lobby);
+    Result GetLobbyActivitySecret(LobbyId lobbyId, char secret[128]);
+    Result GetLobbyMetadataValue(LobbyId lobbyId, MetadataKey key, char value[4096]);
+    Result GetLobbyMetadataKey(LobbyId lobbyId, std::int32_t index, char key[256]);
+    Result LobbyMetadataCount(LobbyId lobbyId, std::int32_t* count);
+    Result MemberCount(LobbyId lobbyId, std::int32_t* count);
+    Result GetMemberUserId(LobbyId lobbyId, std::int32_t index, UserId* userId);
+    Result GetMemberUser(LobbyId lobbyId, UserId userId, User* user);
+    Result GetMemberMetadataValue(LobbyId lobbyId,
+                                  UserId userId,
+                                  MetadataKey key,
+                                  char value[4096]);
+    Result GetMemberMetadataKey(LobbyId lobbyId, UserId userId, std::int32_t index, char key[256]);
+    Result MemberMetadataCount(LobbyId lobbyId, UserId userId, std::int32_t* count);
+    void UpdateMember(LobbyId lobbyId,
+                      UserId userId,
+                      LobbyMemberTransaction const& transaction,
+                      std::function<void(Result)> callback);
+    void SendLobbyMessage(LobbyId lobbyId,
+                          std::uint8_t* data,
+                          std::uint32_t dataLength,
+                          std::function<void(Result)> callback);
+    Result GetSearchQuery(LobbySearchQuery* query);
+    void Search(LobbySearchQuery const& query, std::function<void(Result)> callback);
+    void LobbyCount(std::int32_t* count);
+    Result GetLobbyId(std::int32_t index, LobbyId* lobbyId);
+    void ConnectVoice(LobbyId lobbyId, std::function<void(Result)> callback);
+    void DisconnectVoice(LobbyId lobbyId, std::function<void(Result)> callback);
+    Result ConnectNetwork(LobbyId lobbyId);
+    Result DisconnectNetwork(LobbyId lobbyId);
+    Result FlushNetwork();
+    Result OpenNetworkChannel(LobbyId lobbyId, std::uint8_t channelId, bool reliable);
+    Result SendNetworkMessage(LobbyId lobbyId,
+                              UserId userId,
+                              std::uint8_t channelId,
+                              std::uint8_t* data,
+                              std::uint32_t dataLength);
+
+    Event<std::int64_t> OnLobbyUpdate;
+    Event<std::int64_t, std::uint32_t> OnLobbyDelete;
+    Event<std::int64_t, std::int64_t> OnMemberConnect;
+    Event<std::int64_t, std::int64_t> OnMemberUpdate;
+    Event<std::int64_t, std::int64_t> OnMemberDisconnect;
+    Event<std::int64_t, std::int64_t, std::uint8_t*, std::uint32_t> OnLobbyMessage;
+    Event<std::int64_t, std::int64_t, bool> OnSpeaking;
+    Event<std::int64_t, std::int64_t, std::uint8_t, std::uint8_t*, std::uint32_t> OnNetworkMessage;
+
+private:
+    friend class Core;
+
+    LobbyManager() = default;
+    LobbyManager(LobbyManager const& rhs) = delete;
+    LobbyManager& operator=(LobbyManager const& rhs) = delete;
+    LobbyManager(LobbyManager&& rhs) = delete;
+    LobbyManager& operator=(LobbyManager&& rhs) = delete;
+
+    IDiscordLobbyManager* internal_;
+    static IDiscordLobbyEvents events_;
+};
+
+} // namespace discord

source/application/discord/network_manager.cpp

@@ -0,0 +1,103 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "network_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+class NetworkEvents final {
+public:
+    static void OnMessage(void* callbackData,
+                          DiscordNetworkPeerId peerId,
+                          DiscordNetworkChannelId channelId,
+                          uint8_t* data,
+                          uint32_t dataLength)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->NetworkManager();
+        module.OnMessage(peerId, channelId, data, dataLength);
+    }
+
+    static void OnRouteUpdate(void* callbackData, char const* routeData)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->NetworkManager();
+        module.OnRouteUpdate(static_cast<const char*>(routeData));
+    }
+};
+
+IDiscordNetworkEvents NetworkManager::events_{
+  &NetworkEvents::OnMessage,
+  &NetworkEvents::OnRouteUpdate,
+};
+
+void NetworkManager::GetPeerId(NetworkPeerId* peerId)
+{
+    if (!peerId) {
+        return;
+    }
+
+    internal_->get_peer_id(internal_, reinterpret_cast<uint64_t*>(peerId));
+}
+
+Result NetworkManager::Flush()
+{
+    auto result = internal_->flush(internal_);
+    return static_cast<Result>(result);
+}
+
+Result NetworkManager::OpenPeer(NetworkPeerId peerId, char const* routeData)
+{
+    auto result = internal_->open_peer(internal_, peerId, const_cast<char*>(routeData));
+    return static_cast<Result>(result);
+}
+
+Result NetworkManager::UpdatePeer(NetworkPeerId peerId, char const* routeData)
+{
+    auto result = internal_->update_peer(internal_, peerId, const_cast<char*>(routeData));
+    return static_cast<Result>(result);
+}
+
+Result NetworkManager::ClosePeer(NetworkPeerId peerId)
+{
+    auto result = internal_->close_peer(internal_, peerId);
+    return static_cast<Result>(result);
+}
+
+Result NetworkManager::OpenChannel(NetworkPeerId peerId, NetworkChannelId channelId, bool reliable)
+{
+    auto result = internal_->open_channel(internal_, peerId, channelId, (reliable ? 1 : 0));
+    return static_cast<Result>(result);
+}
+
+Result NetworkManager::CloseChannel(NetworkPeerId peerId, NetworkChannelId channelId)
+{
+    auto result = internal_->close_channel(internal_, peerId, channelId);
+    return static_cast<Result>(result);
+}
+
+Result NetworkManager::SendMessage(NetworkPeerId peerId,
+                                   NetworkChannelId channelId,
+                                   std::uint8_t* data,
+                                   std::uint32_t dataLength)
+{
+    auto result = internal_->send_message(
+      internal_, peerId, channelId, reinterpret_cast<uint8_t*>(data), dataLength);
+    return static_cast<Result>(result);
+}
+
+} // namespace discord

source/application/discord/network_manager.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class NetworkManager final {
+public:
+    ~NetworkManager() = default;
+
+    void GetPeerId(NetworkPeerId* peerId);
+    Result Flush();
+    Result OpenPeer(NetworkPeerId peerId, char const* routeData);
+    Result UpdatePeer(NetworkPeerId peerId, char const* routeData);
+    Result ClosePeer(NetworkPeerId peerId);
+    Result OpenChannel(NetworkPeerId peerId, NetworkChannelId channelId, bool reliable);
+    Result CloseChannel(NetworkPeerId peerId, NetworkChannelId channelId);
+    Result SendMessage(NetworkPeerId peerId,
+                       NetworkChannelId channelId,
+                       std::uint8_t* data,
+                       std::uint32_t dataLength);
+
+    Event<NetworkPeerId, NetworkChannelId, std::uint8_t*, std::uint32_t> OnMessage;
+    Event<char const*> OnRouteUpdate;
+
+private:
+    friend class Core;
+
+    NetworkManager() = default;
+    NetworkManager(NetworkManager const& rhs) = delete;
+    NetworkManager& operator=(NetworkManager const& rhs) = delete;
+    NetworkManager(NetworkManager&& rhs) = delete;
+    NetworkManager& operator=(NetworkManager&& rhs) = delete;
+
+    IDiscordNetworkManager* internal_;
+    static IDiscordNetworkEvents events_;
+};
+
+} // namespace discord

source/application/discord/overlay_manager.cpp

@@ -0,0 +1,97 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "overlay_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+class OverlayEvents final {
+public:
+    static void OnToggle(void* callbackData, bool locked)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->OverlayManager();
+        module.OnToggle((locked != 0));
+    }
+};
+
+IDiscordOverlayEvents OverlayManager::events_{
+  &OverlayEvents::OnToggle,
+};
+
+void OverlayManager::IsEnabled(bool* enabled)
+{
+    if (!enabled) {
+        return;
+    }
+
+    internal_->is_enabled(internal_, reinterpret_cast<bool*>(enabled));
+}
+
+void OverlayManager::IsLocked(bool* locked)
+{
+    if (!locked) {
+        return;
+    }
+
+    internal_->is_locked(internal_, reinterpret_cast<bool*>(locked));
+}
+
+void OverlayManager::SetLocked(bool locked, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->set_locked(internal_, (locked ? 1 : 0), cb.release(), wrapper);
+}
+
+void OverlayManager::OpenActivityInvite(ActivityActionType type,
+                                        std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->open_activity_invite(
+      internal_, static_cast<EDiscordActivityActionType>(type), cb.release(), wrapper);
+}
+
+void OverlayManager::OpenGuildInvite(char const* code, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->open_guild_invite(internal_, const_cast<char*>(code), cb.release(), wrapper);
+}
+
+} // namespace discord

source/application/discord/overlay_manager.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class OverlayManager final {
+public:
+    ~OverlayManager() = default;
+
+    void IsEnabled(bool* enabled);
+    void IsLocked(bool* locked);
+    void SetLocked(bool locked, std::function<void(Result)> callback);
+    void OpenActivityInvite(ActivityActionType type, std::function<void(Result)> callback);
+    void OpenGuildInvite(char const* code, std::function<void(Result)> callback);
+
+    Event<bool> OnToggle;
+
+private:
+    friend class Core;
+
+    OverlayManager() = default;
+    OverlayManager(OverlayManager const& rhs) = delete;
+    OverlayManager& operator=(OverlayManager const& rhs) = delete;
+    OverlayManager(OverlayManager&& rhs) = delete;
+    OverlayManager& operator=(OverlayManager&& rhs) = delete;
+
+    IDiscordOverlayManager* internal_;
+    static IDiscordOverlayEvents events_;
+};
+
+} // namespace discord

source/application/discord/relationship_manager.cpp

@@ -0,0 +1,90 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "relationship_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+class RelationshipEvents final {
+public:
+    static void OnRefresh(void* callbackData)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->RelationshipManager();
+        module.OnRefresh();
+    }
+
+    static void OnRelationshipUpdate(void* callbackData, DiscordRelationship* relationship)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->RelationshipManager();
+        module.OnRelationshipUpdate(*reinterpret_cast<Relationship const*>(relationship));
+    }
+};
+
+IDiscordRelationshipEvents RelationshipManager::events_{
+  &RelationshipEvents::OnRefresh,
+  &RelationshipEvents::OnRelationshipUpdate,
+};
+
+void RelationshipManager::Filter(std::function<bool(Relationship const&)> filter)
+{
+    static auto wrapper = [](void* callbackData, DiscordRelationship* relationship) -> bool {
+        auto cb(reinterpret_cast<std::function<bool(Relationship const&)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return {};
+        }
+        return (*cb)(*reinterpret_cast<Relationship const*>(relationship));
+    };
+    std::unique_ptr<std::function<bool(Relationship const&)>> cb{};
+    cb.reset(new std::function<bool(Relationship const&)>(std::move(filter)));
+    internal_->filter(internal_, cb.get(), wrapper);
+}
+
+Result RelationshipManager::Count(std::int32_t* count)
+{
+    if (!count) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->count(internal_, reinterpret_cast<int32_t*>(count));
+    return static_cast<Result>(result);
+}
+
+Result RelationshipManager::Get(UserId userId, Relationship* relationship)
+{
+    if (!relationship) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->get(internal_, userId, reinterpret_cast<DiscordRelationship*>(relationship));
+    return static_cast<Result>(result);
+}
+
+Result RelationshipManager::GetAt(std::uint32_t index, Relationship* relationship)
+{
+    if (!relationship) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->get_at(internal_, index, reinterpret_cast<DiscordRelationship*>(relationship));
+    return static_cast<Result>(result);
+}
+
+} // namespace discord

source/application/discord/relationship_manager.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class RelationshipManager final {
+public:
+    ~RelationshipManager() = default;
+
+    void Filter(std::function<bool(Relationship const&)> filter);
+    Result Count(std::int32_t* count);
+    Result Get(UserId userId, Relationship* relationship);
+    Result GetAt(std::uint32_t index, Relationship* relationship);
+
+    Event<> OnRefresh;
+    Event<Relationship const&> OnRelationshipUpdate;
+
+private:
+    friend class Core;
+
+    RelationshipManager() = default;
+    RelationshipManager(RelationshipManager const& rhs) = delete;
+    RelationshipManager& operator=(RelationshipManager const& rhs) = delete;
+    RelationshipManager(RelationshipManager&& rhs) = delete;
+    RelationshipManager& operator=(RelationshipManager&& rhs) = delete;
+
+    IDiscordRelationshipManager* internal_;
+    static IDiscordRelationshipEvents events_;
+};
+
+} // namespace discord

source/application/discord/storage_manager.cpp

@@ -0,0 +1,148 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "storage_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+Result StorageManager::Read(char const* name,
+                            std::uint8_t* data,
+                            std::uint32_t dataLength,
+                            std::uint32_t* read)
+{
+    if (!read) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->read(internal_,
+                                  const_cast<char*>(name),
+                                  reinterpret_cast<uint8_t*>(data),
+                                  dataLength,
+                                  reinterpret_cast<uint32_t*>(read));
+    return static_cast<Result>(result);
+}
+
+void StorageManager::ReadAsync(char const* name,
+                               std::function<void(Result, std::uint8_t*, std::uint32_t)> callback)
+{
+    static auto wrapper =
+      [](void* callbackData, EDiscordResult result, uint8_t* data, uint32_t dataLength) -> void {
+        std::unique_ptr<std::function<void(Result, std::uint8_t*, std::uint32_t)>> cb(
+          reinterpret_cast<std::function<void(Result, std::uint8_t*, std::uint32_t)>*>(
+            callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result), data, dataLength);
+    };
+    std::unique_ptr<std::function<void(Result, std::uint8_t*, std::uint32_t)>> cb{};
+    cb.reset(new std::function<void(Result, std::uint8_t*, std::uint32_t)>(std::move(callback)));
+    internal_->read_async(internal_, const_cast<char*>(name), cb.release(), wrapper);
+}
+
+void StorageManager::ReadAsyncPartial(
+  char const* name,
+  std::uint64_t offset,
+  std::uint64_t length,
+  std::function<void(Result, std::uint8_t*, std::uint32_t)> callback)
+{
+    static auto wrapper =
+      [](void* callbackData, EDiscordResult result, uint8_t* data, uint32_t dataLength) -> void {
+        std::unique_ptr<std::function<void(Result, std::uint8_t*, std::uint32_t)>> cb(
+          reinterpret_cast<std::function<void(Result, std::uint8_t*, std::uint32_t)>*>(
+            callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result), data, dataLength);
+    };
+    std::unique_ptr<std::function<void(Result, std::uint8_t*, std::uint32_t)>> cb{};
+    cb.reset(new std::function<void(Result, std::uint8_t*, std::uint32_t)>(std::move(callback)));
+    internal_->read_async_partial(
+      internal_, const_cast<char*>(name), offset, length, cb.release(), wrapper);
+}
+
+Result StorageManager::Write(char const* name, std::uint8_t* data, std::uint32_t dataLength)
+{
+    auto result = internal_->write(
+      internal_, const_cast<char*>(name), reinterpret_cast<uint8_t*>(data), dataLength);
+    return static_cast<Result>(result);
+}
+
+void StorageManager::WriteAsync(char const* name,
+                                std::uint8_t* data,
+                                std::uint32_t dataLength,
+                                std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->write_async(internal_,
+                           const_cast<char*>(name),
+                           reinterpret_cast<uint8_t*>(data),
+                           dataLength,
+                           cb.release(),
+                           wrapper);
+}
+
+Result StorageManager::Delete(char const* name)
+{
+    auto result = internal_->delete_(internal_, const_cast<char*>(name));
+    return static_cast<Result>(result);
+}
+
+Result StorageManager::Exists(char const* name, bool* exists)
+{
+    if (!exists) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->exists(internal_, const_cast<char*>(name), reinterpret_cast<bool*>(exists));
+    return static_cast<Result>(result);
+}
+
+void StorageManager::Count(std::int32_t* count)
+{
+    if (!count) {
+        return;
+    }
+
+    internal_->count(internal_, reinterpret_cast<int32_t*>(count));
+}
+
+Result StorageManager::Stat(char const* name, FileStat* stat)
+{
+    if (!stat) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->stat(internal_, const_cast<char*>(name), reinterpret_cast<DiscordFileStat*>(stat));
+    return static_cast<Result>(result);
+}
+
+Result StorageManager::StatAt(std::int32_t index, FileStat* stat)
+{
+    if (!stat) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->stat_at(internal_, index, reinterpret_cast<DiscordFileStat*>(stat));
+    return static_cast<Result>(result);
+}
+
+} // namespace discord

source/application/discord/storage_manager.h

@@ -0,0 +1,45 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class StorageManager final {
+public:
+    ~StorageManager() = default;
+
+    Result Read(char const* name,
+                std::uint8_t* data,
+                std::uint32_t dataLength,
+                std::uint32_t* read);
+    void ReadAsync(char const* name,
+                   std::function<void(Result, std::uint8_t*, std::uint32_t)> callback);
+    void ReadAsyncPartial(char const* name,
+                          std::uint64_t offset,
+                          std::uint64_t length,
+                          std::function<void(Result, std::uint8_t*, std::uint32_t)> callback);
+    Result Write(char const* name, std::uint8_t* data, std::uint32_t dataLength);
+    void WriteAsync(char const* name,
+                    std::uint8_t* data,
+                    std::uint32_t dataLength,
+                    std::function<void(Result)> callback);
+    Result Delete(char const* name);
+    Result Exists(char const* name, bool* exists);
+    void Count(std::int32_t* count);
+    Result Stat(char const* name, FileStat* stat);
+    Result StatAt(std::int32_t index, FileStat* stat);
+
+private:
+    friend class Core;
+
+    StorageManager() = default;
+    StorageManager(StorageManager const& rhs) = delete;
+    StorageManager& operator=(StorageManager const& rhs) = delete;
+    StorageManager(StorageManager&& rhs) = delete;
+    StorageManager& operator=(StorageManager&& rhs) = delete;
+
+    IDiscordStorageManager* internal_;
+    static IDiscordStorageEvents events_;
+};
+
+} // namespace discord

source/application/discord/store_manager.cpp

@@ -0,0 +1,160 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "store_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+class StoreEvents final {
+public:
+    static void OnEntitlementCreate(void* callbackData, DiscordEntitlement* entitlement)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->StoreManager();
+        module.OnEntitlementCreate(*reinterpret_cast<Entitlement const*>(entitlement));
+    }
+
+    static void OnEntitlementDelete(void* callbackData, DiscordEntitlement* entitlement)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->StoreManager();
+        module.OnEntitlementDelete(*reinterpret_cast<Entitlement const*>(entitlement));
+    }
+};
+
+IDiscordStoreEvents StoreManager::events_{
+  &StoreEvents::OnEntitlementCreate,
+  &StoreEvents::OnEntitlementDelete,
+};
+
+void StoreManager::FetchSkus(std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->fetch_skus(internal_, cb.release(), wrapper);
+}
+
+void StoreManager::CountSkus(std::int32_t* count)
+{
+    if (!count) {
+        return;
+    }
+
+    internal_->count_skus(internal_, reinterpret_cast<int32_t*>(count));
+}
+
+Result StoreManager::GetSku(Snowflake skuId, Sku* sku)
+{
+    if (!sku) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_sku(internal_, skuId, reinterpret_cast<DiscordSku*>(sku));
+    return static_cast<Result>(result);
+}
+
+Result StoreManager::GetSkuAt(std::int32_t index, Sku* sku)
+{
+    if (!sku) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_sku_at(internal_, index, reinterpret_cast<DiscordSku*>(sku));
+    return static_cast<Result>(result);
+}
+
+void StoreManager::FetchEntitlements(std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->fetch_entitlements(internal_, cb.release(), wrapper);
+}
+
+void StoreManager::CountEntitlements(std::int32_t* count)
+{
+    if (!count) {
+        return;
+    }
+
+    internal_->count_entitlements(internal_, reinterpret_cast<int32_t*>(count));
+}
+
+Result StoreManager::GetEntitlement(Snowflake entitlementId, Entitlement* entitlement)
+{
+    if (!entitlement) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_entitlement(
+      internal_, entitlementId, reinterpret_cast<DiscordEntitlement*>(entitlement));
+    return static_cast<Result>(result);
+}
+
+Result StoreManager::GetEntitlementAt(std::int32_t index, Entitlement* entitlement)
+{
+    if (!entitlement) {
+        return Result::InternalError;
+    }
+
+    auto result = internal_->get_entitlement_at(
+      internal_, index, reinterpret_cast<DiscordEntitlement*>(entitlement));
+    return static_cast<Result>(result);
+}
+
+Result StoreManager::HasSkuEntitlement(Snowflake skuId, bool* hasEntitlement)
+{
+    if (!hasEntitlement) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->has_sku_entitlement(internal_, skuId, reinterpret_cast<bool*>(hasEntitlement));
+    return static_cast<Result>(result);
+}
+
+void StoreManager::StartPurchase(Snowflake skuId, std::function<void(Result)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result) -> void {
+        std::unique_ptr<std::function<void(Result)>> cb(
+          reinterpret_cast<std::function<void(Result)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result));
+    };
+    std::unique_ptr<std::function<void(Result)>> cb{};
+    cb.reset(new std::function<void(Result)>(std::move(callback)));
+    internal_->start_purchase(internal_, skuId, cb.release(), wrapper);
+}
+
+} // namespace discord

source/application/discord/store_manager.h

@@ -0,0 +1,38 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class StoreManager final {
+public:
+    ~StoreManager() = default;
+
+    void FetchSkus(std::function<void(Result)> callback);
+    void CountSkus(std::int32_t* count);
+    Result GetSku(Snowflake skuId, Sku* sku);
+    Result GetSkuAt(std::int32_t index, Sku* sku);
+    void FetchEntitlements(std::function<void(Result)> callback);
+    void CountEntitlements(std::int32_t* count);
+    Result GetEntitlement(Snowflake entitlementId, Entitlement* entitlement);
+    Result GetEntitlementAt(std::int32_t index, Entitlement* entitlement);
+    Result HasSkuEntitlement(Snowflake skuId, bool* hasEntitlement);
+    void StartPurchase(Snowflake skuId, std::function<void(Result)> callback);
+
+    Event<Entitlement const&> OnEntitlementCreate;
+    Event<Entitlement const&> OnEntitlementDelete;
+
+private:
+    friend class Core;
+
+    StoreManager() = default;
+    StoreManager(StoreManager const& rhs) = delete;
+    StoreManager& operator=(StoreManager const& rhs) = delete;
+    StoreManager(StoreManager&& rhs) = delete;
+    StoreManager& operator=(StoreManager&& rhs) = delete;
+
+    IDiscordStoreManager* internal_;
+    static IDiscordStoreEvents events_;
+};
+
+} // namespace discord

source/application/discord/types.cpp

@@ -0,0 +1,707 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "types.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+void User::SetId(UserId id)
+{
+    internal_.id = id;
+}
+
+UserId User::GetId() const
+{
+    return internal_.id;
+}
+
+void User::SetUsername(char const* username)
+{
+    strncpy(internal_.username, username, 256);
+    internal_.username[256 - 1] = '\0';
+}
+
+char const* User::GetUsername() const
+{
+    return internal_.username;
+}
+
+void User::SetDiscriminator(char const* discriminator)
+{
+    strncpy(internal_.discriminator, discriminator, 8);
+    internal_.discriminator[8 - 1] = '\0';
+}
+
+char const* User::GetDiscriminator() const
+{
+    return internal_.discriminator;
+}
+
+void User::SetAvatar(char const* avatar)
+{
+    strncpy(internal_.avatar, avatar, 128);
+    internal_.avatar[128 - 1] = '\0';
+}
+
+char const* User::GetAvatar() const
+{
+    return internal_.avatar;
+}
+
+void User::SetBot(bool bot)
+{
+    internal_.bot = bot;
+}
+
+bool User::GetBot() const
+{
+    return internal_.bot != 0;
+}
+
+void OAuth2Token::SetAccessToken(char const* accessToken)
+{
+    strncpy(internal_.access_token, accessToken, 128);
+    internal_.access_token[128 - 1] = '\0';
+}
+
+char const* OAuth2Token::GetAccessToken() const
+{
+    return internal_.access_token;
+}
+
+void OAuth2Token::SetScopes(char const* scopes)
+{
+    strncpy(internal_.scopes, scopes, 1024);
+    internal_.scopes[1024 - 1] = '\0';
+}
+
+char const* OAuth2Token::GetScopes() const
+{
+    return internal_.scopes;
+}
+
+void OAuth2Token::SetExpires(Timestamp expires)
+{
+    internal_.expires = expires;
+}
+
+Timestamp OAuth2Token::GetExpires() const
+{
+    return internal_.expires;
+}
+
+void ImageHandle::SetType(ImageType type)
+{
+    internal_.type = static_cast<EDiscordImageType>(type);
+}
+
+ImageType ImageHandle::GetType() const
+{
+    return static_cast<ImageType>(internal_.type);
+}
+
+void ImageHandle::SetId(std::int64_t id)
+{
+    internal_.id = id;
+}
+
+std::int64_t ImageHandle::GetId() const
+{
+    return internal_.id;
+}
+
+void ImageHandle::SetSize(std::uint32_t size)
+{
+    internal_.size = size;
+}
+
+std::uint32_t ImageHandle::GetSize() const
+{
+    return internal_.size;
+}
+
+void ImageDimensions::SetWidth(std::uint32_t width)
+{
+    internal_.width = width;
+}
+
+std::uint32_t ImageDimensions::GetWidth() const
+{
+    return internal_.width;
+}
+
+void ImageDimensions::SetHeight(std::uint32_t height)
+{
+    internal_.height = height;
+}
+
+std::uint32_t ImageDimensions::GetHeight() const
+{
+    return internal_.height;
+}
+
+void ActivityTimestamps::SetStart(Timestamp start)
+{
+    internal_.start = start;
+}
+
+Timestamp ActivityTimestamps::GetStart() const
+{
+    return internal_.start;
+}
+
+void ActivityTimestamps::SetEnd(Timestamp end)
+{
+    internal_.end = end;
+}
+
+Timestamp ActivityTimestamps::GetEnd() const
+{
+    return internal_.end;
+}
+
+void ActivityAssets::SetLargeImage(char const* largeImage)
+{
+    strncpy(internal_.large_image, largeImage, 128);
+    internal_.large_image[128 - 1] = '\0';
+}
+
+char const* ActivityAssets::GetLargeImage() const
+{
+    return internal_.large_image;
+}
+
+void ActivityAssets::SetLargeText(char const* largeText)
+{
+    strncpy(internal_.large_text, largeText, 128);
+    internal_.large_text[128 - 1] = '\0';
+}
+
+char const* ActivityAssets::GetLargeText() const
+{
+    return internal_.large_text;
+}
+
+void ActivityAssets::SetSmallImage(char const* smallImage)
+{
+    strncpy(internal_.small_image, smallImage, 128);
+    internal_.small_image[128 - 1] = '\0';
+}
+
+char const* ActivityAssets::GetSmallImage() const
+{
+    return internal_.small_image;
+}
+
+void ActivityAssets::SetSmallText(char const* smallText)
+{
+    strncpy(internal_.small_text, smallText, 128);
+    internal_.small_text[128 - 1] = '\0';
+}
+
+char const* ActivityAssets::GetSmallText() const
+{
+    return internal_.small_text;
+}
+
+void PartySize::SetCurrentSize(std::int32_t currentSize)
+{
+    internal_.current_size = currentSize;
+}
+
+std::int32_t PartySize::GetCurrentSize() const
+{
+    return internal_.current_size;
+}
+
+void PartySize::SetMaxSize(std::int32_t maxSize)
+{
+    internal_.max_size = maxSize;
+}
+
+std::int32_t PartySize::GetMaxSize() const
+{
+    return internal_.max_size;
+}
+
+void ActivityParty::SetId(char const* id)
+{
+    strncpy(internal_.id, id, 128);
+    internal_.id[128 - 1] = '\0';
+}
+
+char const* ActivityParty::GetId() const
+{
+    return internal_.id;
+}
+
+PartySize& ActivityParty::GetSize()
+{
+    return reinterpret_cast<PartySize&>(internal_.size);
+}
+
+PartySize const& ActivityParty::GetSize() const
+{
+    return reinterpret_cast<PartySize const&>(internal_.size);
+}
+
+void ActivitySecrets::SetMatch(char const* match)
+{
+    strncpy(internal_.match, match, 128);
+    internal_.match[128 - 1] = '\0';
+}
+
+char const* ActivitySecrets::GetMatch() const
+{
+    return internal_.match;
+}
+
+void ActivitySecrets::SetJoin(char const* join)
+{
+    strncpy(internal_.join, join, 128);
+    internal_.join[128 - 1] = '\0';
+}
+
+char const* ActivitySecrets::GetJoin() const
+{
+    return internal_.join;
+}
+
+void ActivitySecrets::SetSpectate(char const* spectate)
+{
+    strncpy(internal_.spectate, spectate, 128);
+    internal_.spectate[128 - 1] = '\0';
+}
+
+char const* ActivitySecrets::GetSpectate() const
+{
+    return internal_.spectate;
+}
+
+void Activity::SetType(ActivityType type)
+{
+    internal_.type = static_cast<EDiscordActivityType>(type);
+}
+
+ActivityType Activity::GetType() const
+{
+    return static_cast<ActivityType>(internal_.type);
+}
+
+void Activity::SetApplicationId(std::int64_t applicationId)
+{
+    internal_.application_id = applicationId;
+}
+
+std::int64_t Activity::GetApplicationId() const
+{
+    return internal_.application_id;
+}
+
+void Activity::SetName(char const* name)
+{
+    strncpy(internal_.name, name, 128);
+    internal_.name[128 - 1] = '\0';
+}
+
+char const* Activity::GetName() const
+{
+    return internal_.name;
+}
+
+void Activity::SetState(char const* state)
+{
+    strncpy(internal_.state, state, 128);
+    internal_.state[128 - 1] = '\0';
+}
+
+char const* Activity::GetState() const
+{
+    return internal_.state;
+}
+
+void Activity::SetDetails(char const* details)
+{
+    strncpy(internal_.details, details, 128);
+    internal_.details[128 - 1] = '\0';
+}
+
+char const* Activity::GetDetails() const
+{
+    return internal_.details;
+}
+
+ActivityTimestamps& Activity::GetTimestamps()
+{
+    return reinterpret_cast<ActivityTimestamps&>(internal_.timestamps);
+}
+
+ActivityTimestamps const& Activity::GetTimestamps() const
+{
+    return reinterpret_cast<ActivityTimestamps const&>(internal_.timestamps);
+}
+
+ActivityAssets& Activity::GetAssets()
+{
+    return reinterpret_cast<ActivityAssets&>(internal_.assets);
+}
+
+ActivityAssets const& Activity::GetAssets() const
+{
+    return reinterpret_cast<ActivityAssets const&>(internal_.assets);
+}
+
+ActivityParty& Activity::GetParty()
+{
+    return reinterpret_cast<ActivityParty&>(internal_.party);
+}
+
+ActivityParty const& Activity::GetParty() const
+{
+    return reinterpret_cast<ActivityParty const&>(internal_.party);
+}
+
+ActivitySecrets& Activity::GetSecrets()
+{
+    return reinterpret_cast<ActivitySecrets&>(internal_.secrets);
+}
+
+ActivitySecrets const& Activity::GetSecrets() const
+{
+    return reinterpret_cast<ActivitySecrets const&>(internal_.secrets);
+}
+
+void Activity::SetInstance(bool instance)
+{
+    internal_.instance = instance;
+}
+
+bool Activity::GetInstance() const
+{
+    return internal_.instance != 0;
+}
+
+void Presence::SetStatus(Status status)
+{
+    internal_.status = static_cast<EDiscordStatus>(status);
+}
+
+Status Presence::GetStatus() const
+{
+    return static_cast<Status>(internal_.status);
+}
+
+Activity& Presence::GetActivity()
+{
+    return reinterpret_cast<Activity&>(internal_.activity);
+}
+
+Activity const& Presence::GetActivity() const
+{
+    return reinterpret_cast<Activity const&>(internal_.activity);
+}
+
+void Relationship::SetType(RelationshipType type)
+{
+    internal_.type = static_cast<EDiscordRelationshipType>(type);
+}
+
+RelationshipType Relationship::GetType() const
+{
+    return static_cast<RelationshipType>(internal_.type);
+}
+
+User& Relationship::GetUser()
+{
+    return reinterpret_cast<User&>(internal_.user);
+}
+
+User const& Relationship::GetUser() const
+{
+    return reinterpret_cast<User const&>(internal_.user);
+}
+
+Presence& Relationship::GetPresence()
+{
+    return reinterpret_cast<Presence&>(internal_.presence);
+}
+
+Presence const& Relationship::GetPresence() const
+{
+    return reinterpret_cast<Presence const&>(internal_.presence);
+}
+
+void Lobby::SetId(LobbyId id)
+{
+    internal_.id = id;
+}
+
+LobbyId Lobby::GetId() const
+{
+    return internal_.id;
+}
+
+void Lobby::SetType(LobbyType type)
+{
+    internal_.type = static_cast<EDiscordLobbyType>(type);
+}
+
+LobbyType Lobby::GetType() const
+{
+    return static_cast<LobbyType>(internal_.type);
+}
+
+void Lobby::SetOwnerId(UserId ownerId)
+{
+    internal_.owner_id = ownerId;
+}
+
+UserId Lobby::GetOwnerId() const
+{
+    return internal_.owner_id;
+}
+
+void Lobby::SetSecret(LobbySecret secret)
+{
+    strncpy(internal_.secret, secret, 128);
+    internal_.secret[128 - 1] = '\0';
+}
+
+LobbySecret Lobby::GetSecret() const
+{
+    return internal_.secret;
+}
+
+void Lobby::SetCapacity(std::uint32_t capacity)
+{
+    internal_.capacity = capacity;
+}
+
+std::uint32_t Lobby::GetCapacity() const
+{
+    return internal_.capacity;
+}
+
+void Lobby::SetLocked(bool locked)
+{
+    internal_.locked = locked;
+}
+
+bool Lobby::GetLocked() const
+{
+    return internal_.locked != 0;
+}
+
+void FileStat::SetFilename(char const* filename)
+{
+    strncpy(internal_.filename, filename, 260);
+    internal_.filename[260 - 1] = '\0';
+}
+
+char const* FileStat::GetFilename() const
+{
+    return internal_.filename;
+}
+
+void FileStat::SetSize(std::uint64_t size)
+{
+    internal_.size = size;
+}
+
+std::uint64_t FileStat::GetSize() const
+{
+    return internal_.size;
+}
+
+void FileStat::SetLastModified(std::uint64_t lastModified)
+{
+    internal_.last_modified = lastModified;
+}
+
+std::uint64_t FileStat::GetLastModified() const
+{
+    return internal_.last_modified;
+}
+
+void Entitlement::SetId(Snowflake id)
+{
+    internal_.id = id;
+}
+
+Snowflake Entitlement::GetId() const
+{
+    return internal_.id;
+}
+
+void Entitlement::SetType(EntitlementType type)
+{
+    internal_.type = static_cast<EDiscordEntitlementType>(type);
+}
+
+EntitlementType Entitlement::GetType() const
+{
+    return static_cast<EntitlementType>(internal_.type);
+}
+
+void Entitlement::SetSkuId(Snowflake skuId)
+{
+    internal_.sku_id = skuId;
+}
+
+Snowflake Entitlement::GetSkuId() const
+{
+    return internal_.sku_id;
+}
+
+void SkuPrice::SetAmount(std::uint32_t amount)
+{
+    internal_.amount = amount;
+}
+
+std::uint32_t SkuPrice::GetAmount() const
+{
+    return internal_.amount;
+}
+
+void SkuPrice::SetCurrency(char const* currency)
+{
+    strncpy(internal_.currency, currency, 16);
+    internal_.currency[16 - 1] = '\0';
+}
+
+char const* SkuPrice::GetCurrency() const
+{
+    return internal_.currency;
+}
+
+void Sku::SetId(Snowflake id)
+{
+    internal_.id = id;
+}
+
+Snowflake Sku::GetId() const
+{
+    return internal_.id;
+}
+
+void Sku::SetType(SkuType type)
+{
+    internal_.type = static_cast<EDiscordSkuType>(type);
+}
+
+SkuType Sku::GetType() const
+{
+    return static_cast<SkuType>(internal_.type);
+}
+
+void Sku::SetName(char const* name)
+{
+    strncpy(internal_.name, name, 256);
+    internal_.name[256 - 1] = '\0';
+}
+
+char const* Sku::GetName() const
+{
+    return internal_.name;
+}
+
+SkuPrice& Sku::GetPrice()
+{
+    return reinterpret_cast<SkuPrice&>(internal_.price);
+}
+
+SkuPrice const& Sku::GetPrice() const
+{
+    return reinterpret_cast<SkuPrice const&>(internal_.price);
+}
+
+Result LobbyTransaction::SetType(LobbyType type)
+{
+    auto result = internal_->set_type(internal_, static_cast<EDiscordLobbyType>(type));
+    return static_cast<Result>(result);
+}
+
+Result LobbyTransaction::SetOwner(UserId ownerId)
+{
+    auto result = internal_->set_owner(internal_, ownerId);
+    return static_cast<Result>(result);
+}
+
+Result LobbyTransaction::SetCapacity(std::uint32_t capacity)
+{
+    auto result = internal_->set_capacity(internal_, capacity);
+    return static_cast<Result>(result);
+}
+
+Result LobbyTransaction::SetMetadata(MetadataKey key, MetadataValue value)
+{
+    auto result =
+      internal_->set_metadata(internal_, const_cast<char*>(key), const_cast<char*>(value));
+    return static_cast<Result>(result);
+}
+
+Result LobbyTransaction::DeleteMetadata(MetadataKey key)
+{
+    auto result = internal_->delete_metadata(internal_, const_cast<char*>(key));
+    return static_cast<Result>(result);
+}
+
+Result LobbyTransaction::SetLocked(bool locked)
+{
+    auto result = internal_->set_locked(internal_, (locked ? 1 : 0));
+    return static_cast<Result>(result);
+}
+
+Result LobbyMemberTransaction::SetMetadata(MetadataKey key, MetadataValue value)
+{
+    auto result =
+      internal_->set_metadata(internal_, const_cast<char*>(key), const_cast<char*>(value));
+    return static_cast<Result>(result);
+}
+
+Result LobbyMemberTransaction::DeleteMetadata(MetadataKey key)
+{
+    auto result = internal_->delete_metadata(internal_, const_cast<char*>(key));
+    return static_cast<Result>(result);
+}
+
+Result LobbySearchQuery::Filter(MetadataKey key,
+                                LobbySearchComparison comparison,
+                                LobbySearchCast cast,
+                                MetadataValue value)
+{
+    auto result = internal_->filter(internal_,
+                                    const_cast<char*>(key),
+                                    static_cast<EDiscordLobbySearchComparison>(comparison),
+                                    static_cast<EDiscordLobbySearchCast>(cast),
+                                    const_cast<char*>(value));
+    return static_cast<Result>(result);
+}
+
+Result LobbySearchQuery::Sort(MetadataKey key, LobbySearchCast cast, MetadataValue value)
+{
+    auto result = internal_->sort(internal_,
+                                  const_cast<char*>(key),
+                                  static_cast<EDiscordLobbySearchCast>(cast),
+                                  const_cast<char*>(value));
+    return static_cast<Result>(result);
+}
+
+Result LobbySearchQuery::Limit(std::uint32_t limit)
+{
+    auto result = internal_->limit(internal_, limit);
+    return static_cast<Result>(result);
+}
+
+Result LobbySearchQuery::Distance(LobbySearchDistance distance)
+{
+    auto result =
+      internal_->distance(internal_, static_cast<EDiscordLobbySearchDistance>(distance));
+    return static_cast<Result>(result);
+}
+
+} // namespace discord

source/application/discord/types.h

@@ -0,0 +1,426 @@
+#pragma once
+
+#include "ffi.h"
+#include "event.h"
+
+namespace discord {
+
+enum class Result {
+    Ok,
+    ServiceUnavailable,
+    InvalidVersion,
+    LockFailed,
+    InternalError,
+    InvalidPayload,
+    InvalidCommand,
+    InvalidPermissions,
+    NotFetched,
+    NotFound,
+    Conflict,
+    InvalidSecret,
+    InvalidJoinSecret,
+    NoEligibleActivity,
+    InvalidInvite,
+    NotAuthenticated,
+    InvalidAccessToken,
+    ApplicationMismatch,
+    InvalidDataUrl,
+    InvalidBase64,
+    NotFiltered,
+    LobbyFull,
+    InvalidLobbySecret,
+    InvalidFilename,
+    InvalidFileSize,
+    InvalidEntitlement,
+    NotInstalled,
+    NotRunning,
+    InsufficientBuffer,
+    PurchaseCanceled,
+};
+
+enum class CreateFlags {
+    Default = 0,
+    NoRequireDiscord = 1,
+};
+
+enum class LogLevel {
+    Error = 1,
+    Warn,
+    Info,
+    Debug,
+};
+
+enum class ImageType {
+    User,
+};
+
+enum class ActivityType {
+    Playing,
+    Streaming,
+    Listening,
+    Watching,
+};
+
+enum class ActivityActionType {
+    Join = 1,
+    Spectate,
+};
+
+enum class ActivityJoinRequestReply {
+    No,
+    Yes,
+    Ignore,
+};
+
+enum class Status {
+    Offline = 0,
+    Online = 1,
+    Idle = 2,
+    DoNotDisturb = 3,
+};
+
+enum class RelationshipType {
+    None,
+    Friend,
+    Blocked,
+    PendingIncoming,
+    PendingOutgoing,
+    Implicit,
+};
+
+enum class LobbyType {
+    Private = 1,
+    Public,
+};
+
+enum class LobbySearchComparison {
+    LessThanOrEqual = -2,
+    LessThan,
+    Equal,
+    GreaterThan,
+    GreaterThanOrEqual,
+    NotEqual,
+};
+
+enum class LobbySearchCast {
+    String = 1,
+    Number,
+};
+
+enum class LobbySearchDistance {
+    Local,
+    Default,
+    Extended,
+    Global,
+};
+
+enum class EntitlementType {
+    Purchase = 1,
+    PremiumSubscription,
+    DeveloperGift,
+};
+
+enum class SkuType {
+    Application = 1,
+    DLC,
+    Consumable,
+    Bundle,
+};
+
+using ClientId = std::int64_t;
+using Version = std::int32_t;
+using Snowflake = std::int64_t;
+using Timestamp = std::int64_t;
+using UserId = Snowflake;
+using Locale = char const*;
+using Branch = char const*;
+using LobbyId = Snowflake;
+using LobbySecret = char const*;
+using MetadataKey = char const*;
+using MetadataValue = char const*;
+using NetworkPeerId = std::uint64_t;
+using NetworkChannelId = std::uint8_t;
+
+class User final {
+public:
+    void SetId(UserId id);
+    UserId GetId() const;
+    void SetUsername(char const* username);
+    char const* GetUsername() const;
+    void SetDiscriminator(char const* discriminator);
+    char const* GetDiscriminator() const;
+    void SetAvatar(char const* avatar);
+    char const* GetAvatar() const;
+    void SetBot(bool bot);
+    bool GetBot() const;
+
+private:
+    DiscordUser internal_;
+};
+
+class OAuth2Token final {
+public:
+    void SetAccessToken(char const* accessToken);
+    char const* GetAccessToken() const;
+    void SetScopes(char const* scopes);
+    char const* GetScopes() const;
+    void SetExpires(Timestamp expires);
+    Timestamp GetExpires() const;
+
+private:
+    DiscordOAuth2Token internal_;
+};
+
+class ImageHandle final {
+public:
+    void SetType(ImageType type);
+    ImageType GetType() const;
+    void SetId(std::int64_t id);
+    std::int64_t GetId() const;
+    void SetSize(std::uint32_t size);
+    std::uint32_t GetSize() const;
+
+private:
+    DiscordImageHandle internal_;
+};
+
+class ImageDimensions final {
+public:
+    void SetWidth(std::uint32_t width);
+    std::uint32_t GetWidth() const;
+    void SetHeight(std::uint32_t height);
+    std::uint32_t GetHeight() const;
+
+private:
+    DiscordImageDimensions internal_;
+};
+
+class ActivityTimestamps final {
+public:
+    void SetStart(Timestamp start);
+    Timestamp GetStart() const;
+    void SetEnd(Timestamp end);
+    Timestamp GetEnd() const;
+
+private:
+    DiscordActivityTimestamps internal_;
+};
+
+class ActivityAssets final {
+public:
+    void SetLargeImage(char const* largeImage);
+    char const* GetLargeImage() const;
+    void SetLargeText(char const* largeText);
+    char const* GetLargeText() const;
+    void SetSmallImage(char const* smallImage);
+    char const* GetSmallImage() const;
+    void SetSmallText(char const* smallText);
+    char const* GetSmallText() const;
+
+private:
+    DiscordActivityAssets internal_;
+};
+
+class PartySize final {
+public:
+    void SetCurrentSize(std::int32_t currentSize);
+    std::int32_t GetCurrentSize() const;
+    void SetMaxSize(std::int32_t maxSize);
+    std::int32_t GetMaxSize() const;
+
+private:
+    DiscordPartySize internal_;
+};
+
+class ActivityParty final {
+public:
+    void SetId(char const* id);
+    char const* GetId() const;
+    PartySize& GetSize();
+    PartySize const& GetSize() const;
+
+private:
+    DiscordActivityParty internal_;
+};
+
+class ActivitySecrets final {
+public:
+    void SetMatch(char const* match);
+    char const* GetMatch() const;
+    void SetJoin(char const* join);
+    char const* GetJoin() const;
+    void SetSpectate(char const* spectate);
+    char const* GetSpectate() const;
+
+private:
+    DiscordActivitySecrets internal_;
+};
+
+class Activity final {
+public:
+    void SetType(ActivityType type);
+    ActivityType GetType() const;
+    void SetApplicationId(std::int64_t applicationId);
+    std::int64_t GetApplicationId() const;
+    void SetName(char const* name);
+    char const* GetName() const;
+    void SetState(char const* state);
+    char const* GetState() const;
+    void SetDetails(char const* details);
+    char const* GetDetails() const;
+    ActivityTimestamps& GetTimestamps();
+    ActivityTimestamps const& GetTimestamps() const;
+    ActivityAssets& GetAssets();
+    ActivityAssets const& GetAssets() const;
+    ActivityParty& GetParty();
+    ActivityParty const& GetParty() const;
+    ActivitySecrets& GetSecrets();
+    ActivitySecrets const& GetSecrets() const;
+    void SetInstance(bool instance);
+    bool GetInstance() const;
+
+private:
+    DiscordActivity internal_;
+};
+
+class Presence final {
+public:
+    void SetStatus(Status status);
+    Status GetStatus() const;
+    Activity& GetActivity();
+    Activity const& GetActivity() const;
+
+private:
+    DiscordPresence internal_;
+};
+
+class Relationship final {
+public:
+    void SetType(RelationshipType type);
+    RelationshipType GetType() const;
+    User& GetUser();
+    User const& GetUser() const;
+    Presence& GetPresence();
+    Presence const& GetPresence() const;
+
+private:
+    DiscordRelationship internal_;
+};
+
+class Lobby final {
+public:
+    void SetId(LobbyId id);
+    LobbyId GetId() const;
+    void SetType(LobbyType type);
+    LobbyType GetType() const;
+    void SetOwnerId(UserId ownerId);
+    UserId GetOwnerId() const;
+    void SetSecret(LobbySecret secret);
+    LobbySecret GetSecret() const;
+    void SetCapacity(std::uint32_t capacity);
+    std::uint32_t GetCapacity() const;
+    void SetLocked(bool locked);
+    bool GetLocked() const;
+
+private:
+    DiscordLobby internal_;
+};
+
+class FileStat final {
+public:
+    void SetFilename(char const* filename);
+    char const* GetFilename() const;
+    void SetSize(std::uint64_t size);
+    std::uint64_t GetSize() const;
+    void SetLastModified(std::uint64_t lastModified);
+    std::uint64_t GetLastModified() const;
+
+private:
+    DiscordFileStat internal_;
+};
+
+class Entitlement final {
+public:
+    void SetId(Snowflake id);
+    Snowflake GetId() const;
+    void SetType(EntitlementType type);
+    EntitlementType GetType() const;
+    void SetSkuId(Snowflake skuId);
+    Snowflake GetSkuId() const;
+
+private:
+    DiscordEntitlement internal_;
+};
+
+class SkuPrice final {
+public:
+    void SetAmount(std::uint32_t amount);
+    std::uint32_t GetAmount() const;
+    void SetCurrency(char const* currency);
+    char const* GetCurrency() const;
+
+private:
+    DiscordSkuPrice internal_;
+};
+
+class Sku final {
+public:
+    void SetId(Snowflake id);
+    Snowflake GetId() const;
+    void SetType(SkuType type);
+    SkuType GetType() const;
+    void SetName(char const* name);
+    char const* GetName() const;
+    SkuPrice& GetPrice();
+    SkuPrice const& GetPrice() const;
+
+private:
+    DiscordSku internal_;
+};
+
+class LobbyTransaction final {
+public:
+    Result SetType(LobbyType type);
+    Result SetOwner(UserId ownerId);
+    Result SetCapacity(std::uint32_t capacity);
+    Result SetMetadata(MetadataKey key, MetadataValue value);
+    Result DeleteMetadata(MetadataKey key);
+    Result SetLocked(bool locked);
+
+    IDiscordLobbyTransaction** Receive() { return &internal_; }
+    IDiscordLobbyTransaction* Internal() { return internal_; }
+
+private:
+    IDiscordLobbyTransaction* internal_;
+};
+
+class LobbyMemberTransaction final {
+public:
+    Result SetMetadata(MetadataKey key, MetadataValue value);
+    Result DeleteMetadata(MetadataKey key);
+
+    IDiscordLobbyMemberTransaction** Receive() { return &internal_; }
+    IDiscordLobbyMemberTransaction* Internal() { return internal_; }
+
+private:
+    IDiscordLobbyMemberTransaction* internal_;
+};
+
+class LobbySearchQuery final {
+public:
+    Result Filter(MetadataKey key,
+                  LobbySearchComparison comparison,
+                  LobbySearchCast cast,
+                  MetadataValue value);
+    Result Sort(MetadataKey key, LobbySearchCast cast, MetadataValue value);
+    Result Limit(std::uint32_t limit);
+    Result Distance(LobbySearchDistance distance);
+
+    IDiscordLobbySearchQuery** Receive() { return &internal_; }
+    IDiscordLobbySearchQuery* Internal() { return internal_; }
+
+private:
+    IDiscordLobbySearchQuery* internal_;
+};
+
+} // namespace discord

source/application/discord/user_manager.cpp

@@ -0,0 +1,58 @@
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "user_manager.h"
+
+#include "core.h"
+
+#include <cstring>
+#include <memory>
+
+namespace discord {
+
+class UserEvents final {
+public:
+    static void OnCurrentUserUpdate(void* callbackData)
+    {
+        auto* core = reinterpret_cast<Core*>(callbackData);
+        if (!core) {
+            return;
+        }
+
+        auto& module = core->UserManager();
+        module.OnCurrentUserUpdate();
+    }
+};
+
+IDiscordUserEvents UserManager::events_{
+  &UserEvents::OnCurrentUserUpdate,
+};
+
+Result UserManager::GetCurrentUser(User* currentUser)
+{
+    if (!currentUser) {
+        return Result::InternalError;
+    }
+
+    auto result =
+      internal_->get_current_user(internal_, reinterpret_cast<DiscordUser*>(currentUser));
+    return static_cast<Result>(result);
+}
+
+void UserManager::GetUser(UserId userId, std::function<void(Result, User const&)> callback)
+{
+    static auto wrapper = [](void* callbackData, EDiscordResult result, DiscordUser* user) -> void {
+        std::unique_ptr<std::function<void(Result, User const&)>> cb(
+          reinterpret_cast<std::function<void(Result, User const&)>*>(callbackData));
+        if (!cb || !(*cb)) {
+            return;
+        }
+        (*cb)(static_cast<Result>(result), *reinterpret_cast<User const*>(user));
+    };
+    std::unique_ptr<std::function<void(Result, User const&)>> cb{};
+    cb.reset(new std::function<void(Result, User const&)>(std::move(callback)));
+    internal_->get_user(internal_, userId, cb.release(), wrapper);
+}
+
+} // namespace discord

source/application/discord/user_manager.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "types.h"
+
+namespace discord {
+
+class UserManager final {
+public:
+    ~UserManager() = default;
+
+    Result GetCurrentUser(User* currentUser);
+    void GetUser(UserId userId, std::function<void(Result, User const&)> callback);
+
+    Event<> OnCurrentUserUpdate;
+
+private:
+    friend class Core;
+
+    UserManager() = default;
+    UserManager(UserManager const& rhs) = delete;
+    UserManager& operator=(UserManager const& rhs) = delete;
+    UserManager(UserManager&& rhs) = delete;
+    UserManager& operator=(UserManager&& rhs) = delete;
+
+    IDiscordUserManager* internal_;
+    static IDiscordUserEvents events_;
+};
+
+} // namespace discord