MetaCrate/crates/libremetaverse/src/message_codec.rs

//! Native LLSD field codecs for the translated Linden message fixtures.

#![allow(clippy::cast_possible_truncation)] // LLSD reals intentionally narrow to wire f32 fields.
#![allow(clippy::too_many_arguments)] // Codec helpers mirror fixed message field sets.
#![allow(clippy::type_complexity)] // Parsed tuples preserve the mapped message shape.
#![allow(clippy::unnecessary_wraps)] // Handlers share the fallible registry signature.

use crate::messages::linden::{
    AgentDropGroupMessage, AgentDropGroupMessageAgentData, AgentGroupDataUpdateMessage,
    AgentGroupDataUpdateMessageGroupData, AgentGroupDataUpdateMessageNewGroupData,
    AgentStateUpdateMessage, BaseResourcesInfo, BulkUpdateInventoryMessage,
    BulkUpdateInventoryMessageFolderDataInfo, BulkUpdateInventoryMessageItemDataInfo,
    ChatSessionAcceptInvitation, ChatSessionRequestMessage, ChatSessionRequestMuteUpdate,
    ChatSessionRequestStartConference, ChatterBoxInvitationMessage,
    ChatterBoxSessionAgentListUpdatesMessage,
    ChatterBoxSessionAgentListUpdatesMessageAgentUpdatesBlock, ChatterBoxSessionStartReplyMessage,
    ChatterboxSessionEventReplyMessage, CopyInventoryFromNotecardMessage, CrossedRegionMessage,
    DirLandReplyMessage, DirLandReplyMessageQueryReply, DisplayNameUpdateMessage,
    EnableSimulatorMessage, EnableSimulatorMessageSimulatorInfoBlock,
    EstablishAgentCommunicationMessage, ForceCloseChatterBoxSessionMessage, GetDisplayNamesMessage,
    GetObjectCostMessage, GetObjectCostRequest, LandResourcesMessage, LandResourcesRequest,
    LandStatReplyMessage, LandStatReplyMessageReportDataBlock, MapLayerMessage,
    MapLayerReplyVariant, MapLayerReplyVariantLayerData, NavMeshStatusUpdateMessage,
    NewFileAgentInventoryMessage, NewFileAgentInventoryReplyMessage,
    NewFileAgentInventoryUploadReplyMessage, NewFileAgentInventoryVariablePriceMessage,
    NewFileAgentInventoryVariablePriceReplyMessage, ObjectMediaMessage, ObjectMediaNavigateMessage,
    ObjectMediaRequest, ObjectMediaResponse, ObjectMediaUpdate, ObjectPhysicsPropertiesMessage,
    ParcelObjectOwnersReplyMessage, ParcelObjectOwnersReplyMessagePrimOwner,
    ParcelPropertiesMessage, ParcelPropertiesUpdateMessage, ParcelVoiceInfoRequestMessage,
    PlacesReplyMessage, PlacesReplyMessageQueryData, ProvisionVoiceAccountRequestMessage,
    RegionInfoMessage, RemoteParcelRequestMessage, RemoteParcelRequestReply,
    RemoteParcelRequestRequest, RenderMaterialsMessage, RequiredVoiceVersionMessage,
    ScriptRunningReplyMessage, SearchStatRequestMessage, SearchStatRequestReply,
    SearchStatRequestRequest, SendPostcardMessage, SetDisplayNameMessage,
    SetDisplayNameReplyMessage, SimConsoleResponseMessage, TeleportFailedMessage,
    TeleportFinishMessage, UpdateAgentInformationMessage, UpdateAgentInventoryRequestMessage,
    UpdateAgentLanguageMessage, UpdateGestureAgentInventoryMessage,
    UpdateNotecardAgentInventoryMessage, UpdateNotecardTaskInventoryMessage,
    UpdateScriptAgentMessage, UpdateScriptAgentRequestMessage, UpdateScriptTaskMessage,
    UpdateScriptTaskUpdateMessage, UploadBakedTextureMessage, UploadObjectAssetMessage,
    UploadObjectAssetMessageObject, UploadObjectAssetMessageObjectExtraParam,
    UploadObjectAssetMessageObjectFace, UploadScriptTaskMessage, UploaderRequestComplete,
    UploaderRequestScriptComplete, UploaderRequestUpload, UploaderScriptRequestError,
    ViewerStatsMessage,
};
use crate::{
    AgentDisplayName, Error, GroupPowers, InstantMessageDialog, InstantMessageOnline, LandingType,
    MediaEntry, ParcelCategory, ParcelFlags, ParcelResult, ParcelStatus, PermissionMask,
    PrimitivePhysicsProperties, SimAccess, TeleportFlags,
};
use flate2::read::ZlibDecoder;
use libremetaverse_structured_data::{OSD, OSDMap, OSDParser};
use libremetaverse_types::compat::Uri;
use libremetaverse_types::{
    AssetType, Color4, ExtraParamType, FolderType, InventoryType, Material, Quaternion, SaleType,
    SculptType, UUID, Vector3,
};
use std::collections::HashMap;
use std::io::Read as _;
use std::net::{IpAddr, Ipv4Addr};
use std::time::{SystemTime, UNIX_EPOCH};

pub(crate) trait MessageValue: Sized {
    fn message_default() -> Self;
    fn to_message_osd(&self) -> Result<OSD, Error>;
    fn from_message_osd(value: &OSD) -> Result<Self, Error>;
}

pub(crate) trait GeneratedMessage: Sized {
    fn new_generated() -> Self;
    fn serialize_generated(&self) -> Result<OSDMap, Error>;
    fn deserialize_generated(&mut self, map: &OSDMap) -> Result<(), Error>;
}

pub(crate) fn generated_from_osd<T: GeneratedMessage>(data: OSD) -> Result<T, Error> {
    let OSD::Map(values) = data else {
        return Err(Error::Argument);
    };
    let map = OSDMap::new_with_dictionary(values)?;
    let mut value = T::new_generated();
    value.deserialize_generated(&map)?;
    Ok(value)
}

pub(crate) fn get_object_cost_handler(
    map: &OSDMap,
) -> Result<Option<Box<dyn crate::interfaces::IMessage>>, Error> {
    if map.get("object_ids").is_some() {
        Ok(Some(Box::new(GetObjectCostRequest::new_generated())))
    } else {
        Ok(Some(Box::new(GetObjectCostMessage::new_generated())))
    }
}

pub(crate) fn land_resources_handler(
    map: &OSDMap,
) -> Result<Option<Box<dyn crate::interfaces::IMessage>>, Error> {
    if map.get("parcel_id").is_some() {
        Ok(Some(Box::new(LandResourcesRequest::new_generated())))
    } else if map.get("ScriptResourceSummary").is_some() {
        Ok(Some(Box::new(LandResourcesMessage::new_generated())))
    } else {
        Ok(None)
    }
}

macro_rules! integer_value {
    ($type:ty, $from:ident, $as:ident) => {
        impl MessageValue for $type {
            fn message_default() -> Self {
                0
            }
            fn to_message_osd(&self) -> Result<OSD, Error> {
                OSD::$from(*self)
            }
            fn from_message_osd(value: &OSD) -> Result<Self, Error> {
                value.$as()
            }
        }
    };
}

integer_value!(i32, from_integer_with_int32, as_integer);
integer_value!(u32, from_u_integer, as_u_integer);

impl MessageValue for u64 {
    fn message_default() -> Self {
        0
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_u_long(*self)
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        let bytes = value.as_binary()?;
        let bytes: [u8; 8] = bytes.try_into().map_err(|_| Error::Argument)?;
        Ok(u64::from_be_bytes(bytes))
    }
}

impl MessageValue for bool {
    fn message_default() -> Self {
        false
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_boolean(*self)
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        value.as_boolean()
    }
}

impl MessageValue for f32 {
    fn message_default() -> Self {
        0.0
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_real_with_single(*self)
    }
    #[allow(clippy::cast_possible_truncation)] // Mirrors OSD.AsReal's C# double-to-float cast.
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Ok(value.as_real()? as f32)
    }
}

impl MessageValue for f64 {
    fn message_default() -> Self {
        0.0
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_real_with_double(*self)
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        value.as_real()
    }
}

impl MessageValue for String {
    fn message_default() -> Self {
        String::new()
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_string(self.clone())
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        value.as_string()
    }
}

impl MessageValue for UUID {
    fn message_default() -> Self {
        UUID::zero()
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_uuid(*self)
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        value.as_uuid()
    }
}

impl MessageValue for Vector3 {
    fn message_default() -> Self {
        Vector3::zero()
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_vector3(*self)
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        value.as_vector3()
    }
}

impl MessageValue for SystemTime {
    fn message_default() -> Self {
        UNIX_EPOCH
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_date(*self)
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        value.as_date()
    }
}

impl MessageValue for Uri {
    fn message_default() -> Self {
        Self("about:blank".into())
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_uri(self.clone())
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Ok(value.as_uri()?.unwrap_or_else(|| Self(String::new())))
    }
}

impl MessageValue for IpAddr {
    fn message_default() -> Self {
        Self::V4(Ipv4Addr::UNSPECIFIED)
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        match self {
            Self::V4(address) if !address.is_unspecified() => {
                OSD::from_binary(address.octets().to_vec())
            }
            Self::V4(_) | Self::V6(_) => Ok(OSD::Undefined),
        }
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        let bytes = value.as_binary()?;
        match <[u8; 4]>::try_from(bytes) {
            Ok(octets) => Ok(Self::V4(Ipv4Addr::from(octets))),
            Err(_) => Ok(Self::V4(Ipv4Addr::UNSPECIFIED)),
        }
    }
}

impl MessageValue for OSD {
    fn message_default() -> Self {
        Self::Undefined
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        Ok(self.clone())
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Ok(value.clone())
    }
}

impl MessageValue for OSDMap {
    fn message_default() -> Self {
        Self::new_with_constructor().expect("empty OSD map")
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        self.copy()
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        let OSD::Map(values) = value else {
            return Err(Error::Argument);
        };
        Self::new_with_dictionary(values.clone())
    }
}

impl MessageValue for HashMap<String, i32> {
    fn message_default() -> Self {
        Self::new()
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        self.iter()
            .map(|(key, value)| Ok((key.clone(), value.to_message_osd()?)))
            .collect::<Result<HashMap<_, _>, Error>>()
            .map(OSD::Map)
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        as_map(value)?
            .iter()
            .map(|(key, value)| Ok((key.clone(), i32::from_message_osd(value)?)))
            .collect()
    }
}

impl MessageValue for AgentDisplayName {
    fn message_default() -> Self {
        Self::new().expect("AgentDisplayName construction is infallible")
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        self.get_osd()
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Self::from_osd(value.clone())
    }
}

impl MessageValue for PrimitivePhysicsProperties {
    fn message_default() -> Self {
        Self::new().expect("PrimitivePhysicsProperties construction is infallible")
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        self.get_osd()
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Self::from_osd(value.clone())
    }
}

impl MessageValue for MediaEntry {
    fn message_default() -> Self {
        Self::new().expect("MediaEntry construction is infallible")
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        if self.is_undefined() {
            Ok(OSD::Undefined)
        } else {
            self.get_osd()?.copy()
        }
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Self::from_osd(value.clone())
    }
}

macro_rules! transparent_value {
    ($type:ty, $inner:ty) => {
        impl MessageValue for $type {
            fn message_default() -> Self {
                Self(0)
            }
            fn to_message_osd(&self) -> Result<OSD, Error> {
                <$inner as MessageValue>::to_message_osd(&self.0)
            }
            fn from_message_osd(value: &OSD) -> Result<Self, Error> {
                Ok(Self(<$inner as MessageValue>::from_message_osd(value)?))
            }
        }
    };
}

transparent_value!(ParcelFlags, u32);
transparent_value!(TeleportFlags, u32);
transparent_value!(PermissionMask, u32);

impl MessageValue for InventoryType {
    fn message_default() -> Self {
        Self(0)
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_integer_with_int32(i32::from(self.0))
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Ok(Self(
            i8::try_from(value.as_integer()?).map_err(|_| Error::Argument)?,
        ))
    }
}

impl MessageValue for GroupPowers {
    fn message_default() -> Self {
        Self(0)
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_long(self.0.cast_signed())
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Ok(Self(value.as_long()?.cast_unsigned()))
    }
}

impl MessageValue for SimAccess {
    fn message_default() -> Self {
        Self::UNKNOWN
    }
    fn to_message_osd(&self) -> Result<OSD, Error> {
        OSD::from_integer_with_byte(self.0)
    }
    fn from_message_osd(value: &OSD) -> Result<Self, Error> {
        Ok(Self(
            u8::try_from(value.as_integer()?).map_err(|_| Error::Argument)?,
        ))
    }
}

macro_rules! enum_value {
    ($type:ty, $default:path, [$($variant:path),+ $(,)?]) => {
        impl MessageValue for $type {
            fn message_default() -> Self { $default }
            fn to_message_osd(&self) -> Result<OSD, Error> {
                OSD::from_integer_with_int32(*self as i32)
            }
            fn from_message_osd(value: &OSD) -> Result<Self, Error> {
                match value.as_integer()? {
                    $(candidate if candidate == $variant as i32 => Ok($variant),)+
                    _ => Err(Error::Argument),
                }
            }
        }
    };
}

enum_value!(
    InstantMessageDialog,
    InstantMessageDialog::MessageFromAgent,
    [
        InstantMessageDialog::AcceptTeleport,
        InstantMessageDialog::BusyAutoResponse,
        InstantMessageDialog::ConsoleAndChatHistory,
        InstantMessageDialog::DenyTeleport,
        InstantMessageDialog::FriendshipAccepted,
        InstantMessageDialog::FriendshipDeclined,
        InstantMessageDialog::FriendshipOffered,
        InstantMessageDialog::FromTaskAsAlert,
        InstantMessageDialog::GodLikeRequestTeleport,
        InstantMessageDialog::GotoUrl,
        InstantMessageDialog::GroupInvitation,
        InstantMessageDialog::GroupInvitationAccept,
        InstantMessageDialog::GroupInvitationDecline,
        InstantMessageDialog::GroupNotice,
        InstantMessageDialog::GroupNoticeInventoryAccepted,
        InstantMessageDialog::GroupNoticeInventoryDeclined,
        InstantMessageDialog::GroupNoticeRequested,
        InstantMessageDialog::GroupVote,
        InstantMessageDialog::InventoryAccepted,
        InstantMessageDialog::InventoryDeclined,
        InstantMessageDialog::InventoryOffered,
        InstantMessageDialog::Lure911,
        InstantMessageDialog::MessageBox,
        InstantMessageDialog::MessageFromAgent,
        InstantMessageDialog::MessageFromObject,
        InstantMessageDialog::NewUserDefault,
        InstantMessageDialog::RequestLure,
        InstantMessageDialog::RequestTeleport,
        InstantMessageDialog::Session911Start,
        InstantMessageDialog::SessionAdd,
        InstantMessageDialog::SessionCardlessStart,
        InstantMessageDialog::SessionDrop,
        InstantMessageDialog::SessionGroupStart,
        InstantMessageDialog::SessionOfflineAdd,
        InstantMessageDialog::SessionSend,
        InstantMessageDialog::StartTyping,
        InstantMessageDialog::StopTyping,
        InstantMessageDialog::TaskInventoryAccepted,
        InstantMessageDialog::TaskInventoryDeclined,
        InstantMessageDialog::TaskInventoryOffered,
    ]
);
enum_value!(
    SaleType,
    SaleType::Not,
    [
        SaleType::Contents,
        SaleType::Copy,
        SaleType::Not,
        SaleType::Original
    ]
);
enum_value!(
    AssetType,
    AssetType::Unknown,
    [
        AssetType::Animation,
        AssetType::Bodypart,
        AssetType::CallingCard,
        AssetType::Clothing,
        AssetType::Folder,
        AssetType::Gesture,
        AssetType::ImageJPEG,
        AssetType::ImageTGA,
        AssetType::LSLBytecode,
        AssetType::LSLText,
        AssetType::Landmark,
        AssetType::Link,
        AssetType::LinkFolder,
        AssetType::Material,
        AssetType::Mesh,
        AssetType::Notecard,
        AssetType::Object,
        AssetType::Person,
        AssetType::Script,
        AssetType::Settings,
        AssetType::Simstate,
        AssetType::Sound,
        AssetType::SoundWAV,
        AssetType::Texture,
        AssetType::TextureTGA,
        AssetType::Unknown,
        AssetType::Widget
    ]
);
enum_value!(
    FolderType,
    FolderType::None,
    [
        FolderType::Animation,
        FolderType::BasicRoot,
        FolderType::BodyPart,
        FolderType::CallingCard,
        FolderType::Clothing,
        FolderType::CurrentOutfit,
        FolderType::EnsembleEnd,
        FolderType::EnsembleStart,
        FolderType::Favorites,
        FolderType::Gesture,
        FolderType::Inbox,
        FolderType::LSLText,
        FolderType::Landmark,
        FolderType::LostAndFound,
        FolderType::MarketplaceListings,
        FolderType::MarketplaceStock,
        FolderType::MarketplaceVersion,
        FolderType::Material,
        FolderType::Mesh,
        FolderType::MyOutfits,
        FolderType::None,
        FolderType::Notecard,
        FolderType::Object,
        FolderType::OldRoot,
        FolderType::Outbox,
        FolderType::Outfit,
        FolderType::Root,
        FolderType::Settings,
        FolderType::Snapshot,
        FolderType::Sound,
        FolderType::Suitcase,
        FolderType::Texture,
        FolderType::Trash
    ]
);
enum_value!(
    InstantMessageOnline,
    InstantMessageOnline::Online,
    [InstantMessageOnline::Offline, InstantMessageOnline::Online,]
);
enum_value!(
    LandingType,
    LandingType::None,
    [
        LandingType::Direct,
        LandingType::LandingPoint,
        LandingType::None,
    ]
);
enum_value!(
    ParcelCategory,
    ParcelCategory::None,
    [
        ParcelCategory::Adult,
        ParcelCategory::Any,
        ParcelCategory::Arts,
        ParcelCategory::Business,
        ParcelCategory::Educational,
        ParcelCategory::Gaming,
        ParcelCategory::Hangout,
        ParcelCategory::Linden,
        ParcelCategory::Newcomer,
        ParcelCategory::None,
        ParcelCategory::Other,
        ParcelCategory::Park,
        ParcelCategory::Residential,
        ParcelCategory::Shopping,
        ParcelCategory::Stage,
    ]
);
enum_value!(
    ParcelResult,
    ParcelResult::Single,
    [
        ParcelResult::Multiple,
        ParcelResult::NoData,
        ParcelResult::Single,
    ]
);
enum_value!(
    ParcelStatus,
    ParcelStatus::Leased,
    [
        ParcelStatus::Abandoned,
        ParcelStatus::LeasePending,
        ParcelStatus::Leased,
        ParcelStatus::None,
    ]
);

fn encode_array<T: MessageValue>(values: &[T]) -> Result<OSD, Error> {
    values
        .iter()
        .map(MessageValue::to_message_osd)
        .collect::<Result<Vec<_>, _>>()
        .map(OSD::Array)
}

fn decode_array<T: MessageValue>(value: &OSD) -> Result<Vec<T>, Error> {
    let OSD::Array(values) = value else {
        return Err(Error::Argument);
    };
    values.iter().map(T::from_message_osd).collect()
}

fn map_osd(entries: impl IntoIterator<Item = (&'static str, OSD)>) -> OSD {
    OSD::Map(
        entries
            .into_iter()
            .map(|(key, value)| (key.to_owned(), value))
            .collect(),
    )
}

fn finish_map(entries: impl IntoIterator<Item = (&'static str, OSD)>) -> Result<OSDMap, Error> {
    let OSD::Map(values) = map_osd(entries) else {
        unreachable!();
    };
    OSDMap::new_with_dictionary(values)
}

fn required(map: &OSDMap, key: &str) -> Result<OSD, Error> {
    map.get(key).ok_or(Error::Argument)
}

fn required_from<'a>(map: &'a HashMap<String, OSD>, key: &str) -> Result<&'a OSD, Error> {
    map.get(key).ok_or(Error::Argument)
}

fn as_map(value: &OSD) -> Result<&HashMap<String, OSD>, Error> {
    if let OSD::Map(values) = value {
        Ok(values)
    } else {
        Err(Error::Argument)
    }
}

fn as_array(value: &OSD) -> Result<&[OSD], Error> {
    if let OSD::Array(values) = value {
        Ok(values)
    } else {
        Err(Error::Argument)
    }
}

fn owned_block(map: &OSDMap, key: &str) -> Result<HashMap<String, OSD>, Error> {
    let value = required(map, key)?;
    let first = as_array(&value)?.first().ok_or(Error::Argument)?;
    Ok(as_map(first)?.clone())
}

fn encode_struct_array<T: MessageValue>(values: &[T]) -> Result<OSD, Error> {
    encode_array(values)
}

fn decode_struct_array<T: MessageValue>(map: &OSDMap, key: &str) -> Result<Vec<T>, Error> {
    decode_array(&required(map, key)?)
}

fn decode_value<T: MessageValue>(map: &HashMap<String, OSD>, key: &str) -> Result<T, Error> {
    T::from_message_osd(required_from(map, key)?)
}

fn decode_top<T: MessageValue>(map: &OSDMap, key: &str) -> Result<T, Error> {
    T::from_message_osd(&required(map, key)?)
}

fn one_block_osd(entries: impl IntoIterator<Item = (&'static str, OSD)>) -> OSD {
    OSD::Array(vec![map_osd(entries)])
}

fn unix_seconds(value: SystemTime) -> u32 {
    value.duration_since(UNIX_EPOCH).map_or(0, |duration| {
        u32::try_from(duration.as_secs().min(u64::from(u32::MAX))).unwrap_or(u32::MAX)
    })
}

fn time_from_unix(value: u32) -> SystemTime {
    UNIX_EPOCH + std::time::Duration::from_secs(u64::from(value))
}

fn integer_from_u32(value: u32) -> Result<OSD, Error> {
    OSD::from_integer_with_u_int32(value)
}

#[allow(clippy::cast_precision_loss)] // C# ViewerStats explicitly converts AsInteger to float.
fn integer_as_f32(value: &OSD) -> Result<f32, Error> {
    Ok(value.as_integer()? as f32)
}

fn serialize_agent_state_update(value: &AgentStateUpdateMessage) -> Result<OSDMap, Error> {
    let access = map_osd([("max", value.max_access.to_message_osd()?)]);
    let preferences = map_osd([
        ("access_prefs", access),
        (
            "alter_navmesh_objects",
            value.alter_navmesh_objects.to_message_osd()?,
        ),
        (
            "alter_permanent_objects",
            value.alter_permanent_objects.to_message_osd()?,
        ),
        ("god_level", value.god_level.to_message_osd()?),
        ("language", value.language.to_message_osd()?),
        (
            "language_is_public",
            value.language_is_public.to_message_osd()?,
        ),
    ]);
    finish_map([
        (
            "can_modify_navmesh",
            value.can_modify_navmesh.to_message_osd()?,
        ),
        (
            "has_modified_navmesh",
            value.has_modified_navmesh.to_message_osd()?,
        ),
        ("preferences", preferences),
    ])
}

fn deserialize_agent_state_update(
    value: &mut AgentStateUpdateMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    value.raw_data = map.clone();
    value.can_modify_navmesh = map
        .get("can_modify_navmesh")
        .unwrap_or_default()
        .as_boolean()?;
    value.has_modified_navmesh = map
        .get("has_modified_navmesh")
        .unwrap_or_default()
        .as_boolean()?;
    let Some(OSD::Map(preferences)) = map.get("preferences") else {
        return Ok(());
    };
    let preferences = OSDMap::new_with_dictionary(preferences)?;
    value.alter_navmesh_objects = preferences
        .get("alter_navmesh_objects")
        .unwrap_or_default()
        .as_boolean()?;
    value.alter_permanent_objects = preferences
        .get("alter_permanent_objects")
        .unwrap_or_default()
        .as_boolean()?;
    value.god_level = preferences
        .get("god_level")
        .unwrap_or_default()
        .as_integer()?;
    value.language = preferences
        .get("language")
        .unwrap_or_default()
        .as_string()?;
    value.language_is_public = preferences
        .get("language_is_public")
        .unwrap_or_default()
        .as_boolean()?;
    if let Some(OSD::Map(access)) = preferences.get("access_prefs") {
        value.max_access = access.get("max").unwrap_or(&OSD::Undefined).as_string()?;
    }
    Ok(())
}

fn serialize_crossed_region(value: &CrossedRegionMessage) -> Result<OSDMap, Error> {
    finish_map([
        (
            "Info",
            one_block_osd([
                ("LookAt", value.look_at.to_message_osd()?),
                ("Position", value.position.to_message_osd()?),
            ]),
        ),
        (
            "AgentData",
            one_block_osd([
                ("AgentID", value.agent_id.to_message_osd()?),
                ("SessionID", value.session_id.to_message_osd()?),
            ]),
        ),
        (
            "RegionData",
            one_block_osd([
                ("RegionHandle", value.region_handle.to_message_osd()?),
                ("SeedCapability", value.seed_capability.to_message_osd()?),
                ("SimIP", value.ip.to_message_osd()?),
                ("SimPort", value.port.to_message_osd()?),
                ("RegionSizeX", value.region_size_x.to_message_osd()?),
                ("RegionSizeY", value.region_size_y.to_message_osd()?),
            ]),
        ),
    ])
}

fn first_block(map: &OSDMap, key: &str) -> Result<OSDMap, Error> {
    let encoded = required(map, key)?;
    let blocks = as_array(&encoded)?;
    let block = as_map(blocks.first().ok_or(Error::Argument)?)?;
    OSDMap::new_with_dictionary(block.clone())
}

fn deserialize_crossed_region(value: &mut CrossedRegionMessage, map: &OSDMap) -> Result<(), Error> {
    let info = first_block(map, "Info")?;
    value.look_at = decode_top(&info, "LookAt")?;
    value.position = decode_top(&info, "Position")?;
    let agent = first_block(map, "AgentData")?;
    value.agent_id = decode_top(&agent, "AgentID")?;
    value.session_id = decode_top(&agent, "SessionID")?;
    let region = first_block(map, "RegionData")?;
    value.region_handle = decode_top(&region, "RegionHandle")?;
    value.seed_capability = decode_top(&region, "SeedCapability")?;
    value.ip = decode_top(&region, "SimIP")?;
    value.port = decode_top(&region, "SimPort")?;
    if region.get("RegionSizeX").is_some() {
        value.region_size_x = decode_top(&region, "RegionSizeX")?;
    }
    if region.get("RegionSizeY").is_some() {
        value.region_size_y = decode_top(&region, "RegionSizeY")?;
    }
    Ok(())
}

fn serialize_get_object_cost(value: &GetObjectCostMessage) -> Result<OSDMap, Error> {
    let values = HashMap::from([
        (
            "linked_set_resource_cost".to_owned(),
            OSD::Real(value.link_cost),
        ),
        ("resource_cost".to_owned(), OSD::Real(value.object_cost)),
        ("physics_cost".to_owned(), OSD::Real(value.physics_cost)),
        (
            "linked_set_physics_cost".to_owned(),
            OSD::Real(value.link_physics_cost),
        ),
    ]);
    OSDMap::new_with_dictionary(HashMap::from([(
        value.object_id.to_string(),
        OSD::Map(values),
    )]))
}

fn deserialize_get_object_cost(
    value: &mut GetObjectCostMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let mut entries: Vec<_> = map.snapshot().into_iter().collect();
    entries.sort_unstable_by(|left, right| left.0.cmp(&right.0));
    let Some((id, OSD::Map(costs))) = entries.into_iter().next() else {
        return Err(Error::Argument);
    };
    value.object_id = UUID::new_with_string(id).unwrap_or_else(|_| UUID::zero());
    value.link_cost = costs
        .get("linked_set_resource_cost")
        .unwrap_or(&OSD::Undefined)
        .as_real()?;
    value.object_cost = costs
        .get("resource_cost")
        .unwrap_or(&OSD::Undefined)
        .as_real()?;
    value.physics_cost = costs
        .get("physics_cost")
        .unwrap_or(&OSD::Undefined)
        .as_real()?;
    value.link_physics_cost = costs
        .get("linked_set_physics_cost")
        .unwrap_or(&OSD::Undefined)
        .as_real()?;
    Ok(())
}

fn serialize_base_resources(value: &BaseResourcesInfo) -> Result<OSDMap, Error> {
    fn entries(values: &HashMap<String, i32>) -> Result<OSD, Error> {
        let mut values: Vec<_> = values.iter().collect();
        values.sort_unstable_by(|left, right| left.0.cmp(right.0));
        values
            .into_iter()
            .map(|(type_, amount)| {
                Ok(map_osd([
                    ("type", type_.to_message_osd()?),
                    ("amount", amount.to_message_osd()?),
                ]))
            })
            .collect::<Result<Vec<_>, Error>>()
            .map(OSD::Array)
    }
    finish_map([(
        "summary",
        map_osd([
            ("available", entries(&value.summary_available)?),
            ("used", entries(&value.summary_used)?),
        ]),
    )])
}

fn deserialize_base_resources(value: &mut BaseResourcesInfo, map: &OSDMap) -> Result<(), Error> {
    fn entries(value: &OSD) -> Result<HashMap<String, i32>, Error> {
        as_array(value)?
            .iter()
            .map(|entry| {
                let entry = as_map(entry)?;
                Ok((
                    String::from_message_osd(required_from(entry, "type")?)?,
                    i32::from_message_osd(required_from(entry, "amount")?)?,
                ))
            })
            .collect()
    }
    let summary_value = required(map, "summary")?;
    let summary = as_map(&summary_value)?;
    value.summary_available = entries(required_from(summary, "available")?)?;
    value.summary_used = entries(required_from(summary, "used")?)?;
    Ok(())
}

fn serialize_nav_mesh_status(value: &NavMeshStatusUpdateMessage) -> Result<OSDMap, Error> {
    finish_map([
        ("region_id", value.region_id.to_message_osd()?),
        ("status", value.status.to_message_osd()?),
        ("version", value.version.to_message_osd()?),
    ])
}

fn deserialize_nav_mesh_status(
    value: &mut NavMeshStatusUpdateMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    value.raw_data = map.clone();
    value.region_id = decode_top(map, "region_id")?;
    value.status = decode_top(map, "status")?;
    value.version = decode_top(map, "version")?;
    Ok(())
}

fn serialize_region_info(value: &RegionInfoMessage) -> Result<OSDMap, Error> {
    finish_map([
        ("parcel_local_id", value.parcel_local_id.to_message_osd()?),
        ("region_name", value.region_name.to_message_osd()?),
        (
            "voice_credentials",
            map_osd([("channel_uri", value.channel_uri.to_message_osd()?)]),
        ),
    ])
}

fn deserialize_region_info(value: &mut RegionInfoMessage, map: &OSDMap) -> Result<(), Error> {
    value.parcel_local_id = decode_top(map, "parcel_local_id")?;
    value.region_name = decode_top(map, "region_name")?;
    let OSD::Map(voice) = required(map, "voice_credentials")? else {
        return Err(Error::Argument);
    };
    value.channel_uri = voice
        .get("channel_uri")
        .unwrap_or(&OSD::Undefined)
        .as_string()?;
    Ok(())
}

fn serialize_render_materials(_value: &RenderMaterialsMessage) -> Result<OSDMap, Error> {
    OSDMap::new_with_constructor()
}

#[allow(clippy::unnecessary_wraps)] // GeneratedMessage requires a fallible codec signature.
fn deserialize_render_materials(
    value: &mut RenderMaterialsMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let decoded = map
        .get("Zipped")
        .ok_or(Error::Argument)
        .and_then(|value| value.as_binary())
        .and_then(|bytes| {
            let mut output = Vec::new();
            ZlibDecoder::new(bytes.as_slice())
                .read_to_end(&mut output)
                .map_err(|_| Error::Argument)?;
            OSDParser::deserialize_llsd_binary_with_bytes(output)
        });
    value.material_data = decoded.unwrap_or_else(|_| OSD::Map(HashMap::new()));
    Ok(())
}

fn serialize_set_display_name(value: &SetDisplayNameMessage) -> Result<OSDMap, Error> {
    finish_map([(
        "display_name",
        OSD::Array(vec![
            OSD::String(value.old_display_name.clone()),
            OSD::String(value.new_display_name.clone()),
        ]),
    )])
}

fn deserialize_set_display_name(
    value: &mut SetDisplayNameMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let OSD::Array(names) = required(map, "display_name")? else {
        return Err(Error::Argument);
    };
    value.old_display_name = names.first().unwrap_or(&OSD::Undefined).as_string()?;
    value.new_display_name = names.get(1).unwrap_or(&OSD::Undefined).as_string()?;
    Ok(())
}

fn serialize_set_display_name_reply(value: &SetDisplayNameReplyMessage) -> Result<OSDMap, Error> {
    finish_map([
        ("content", value.display_name.to_message_osd()?),
        ("reason", value.reason.to_message_osd()?),
        ("status", value.status.to_message_osd()?),
    ])
}

fn deserialize_set_display_name_reply(
    value: &mut SetDisplayNameReplyMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    value.display_name = decode_top(map, "content")?;
    value.reason = decode_top(map, "reason")?;
    value.status = decode_top(map, "status")?;
    Ok(())
}

fn serialize_display_name_update(value: &DisplayNameUpdateMessage) -> Result<OSDMap, Error> {
    let OSD::Map(mut agent) = value.display_name.to_message_osd()? else {
        return Err(Error::Argument);
    };
    agent.insert(
        "old_display_name".into(),
        OSD::String(value.old_display_name.clone()),
    );
    finish_map([("agent", OSD::Map(agent))])
}

fn deserialize_display_name_update(
    value: &mut DisplayNameUpdateMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let agent = required(map, "agent")?;
    let OSD::Map(agent_map) = &agent else {
        return Err(Error::Argument);
    };
    value.display_name = AgentDisplayName::from_osd(agent.clone())?;
    value.old_display_name = agent_map
        .get("old_display_name")
        .unwrap_or(&OSD::Undefined)
        .as_string()?;
    Ok(())
}

fn serialize_uploader_upload(value: &UploaderRequestUpload) -> Result<OSDMap, Error> {
    finish_map([
        ("state", OSD::String("upload".into())),
        ("uploader", value.url.to_message_osd()?),
    ])
}

fn deserialize_uploader_upload(
    value: &mut UploaderRequestUpload,
    map: &OSDMap,
) -> Result<(), Error> {
    if required(map, "state")?.as_string()? != "upload" {
        return Err(Error::Argument);
    }
    value.url = decode_top(map, "uploader")?;
    Ok(())
}

fn serialize_uploader_complete(value: &UploaderRequestComplete) -> Result<OSDMap, Error> {
    finish_map([
        ("state", OSD::String("complete".into())),
        ("new_asset", value.asset_id.to_message_osd()?),
    ])
}

fn deserialize_uploader_complete(
    value: &mut UploaderRequestComplete,
    map: &OSDMap,
) -> Result<(), Error> {
    if required(map, "state")?.as_string()? != "complete" {
        return Err(Error::Argument);
    }
    value.asset_id = decode_top(map, "new_asset")?;
    Ok(())
}

fn serialize_bulk_folder(
    value: &BulkUpdateInventoryMessageFolderDataInfo,
) -> Result<OSDMap, Error> {
    finish_map([
        ("FolderID", value.folder_id.to_message_osd()?),
        ("ParentID", value.parent_id.to_message_osd()?),
        ("Name", value.name.to_message_osd()?),
        ("Type", value.type_.to_message_osd()?),
    ])
}

fn deserialize_bulk_folder(
    value: &mut BulkUpdateInventoryMessageFolderDataInfo,
    map: &OSDMap,
) -> Result<(), Error> {
    value.folder_id = decode_top(map, "FolderID")?;
    value.parent_id = decode_top(map, "ParentID")?;
    value.name = decode_top(map, "Name")?;
    value.type_ = decode_top(map, "Type")?;
    Ok(())
}

fn serialize_bulk_item(value: &BulkUpdateInventoryMessageItemDataInfo) -> Result<OSDMap, Error> {
    finish_map([
        ("ItemID", value.item_id.to_message_osd()?),
        ("CallbackID", value.callback_id.to_message_osd()?),
        ("FolderID", value.folder_id.to_message_osd()?),
        ("CreatorID", value.creator_id.to_message_osd()?),
        ("OwnerID", value.owner_id.to_message_osd()?),
        ("GroupID", value.group_id.to_message_osd()?),
        ("BaseMask", value.base_mask.to_message_osd()?),
        ("OwnerMask", value.owner_mask.to_message_osd()?),
        ("GroupMask", value.group_mask.to_message_osd()?),
        ("EveryoneMask", value.everyone_mask.to_message_osd()?),
        ("NextOwnerMask", value.next_owner_mask.to_message_osd()?),
        ("GroupOwned", value.group_owned.to_message_osd()?),
        ("AssetID", value.asset_id.to_message_osd()?),
        ("Type", value.type_.to_message_osd()?),
        ("InvType", value.inv_type.to_message_osd()?),
        ("Flags", value.flags.to_message_osd()?),
        ("SaleType", value.sale_type.to_message_osd()?),
        ("SalePrice", value.sale_price.to_message_osd()?),
        ("Name", value.name.to_message_osd()?),
        ("Description", value.description.to_message_osd()?),
        (
            "CreationDate",
            unix_seconds(value.creation_date).to_message_osd()?,
        ),
        ("CRC", value.crc.to_message_osd()?),
    ])
}

fn deserialize_bulk_item(
    value: &mut BulkUpdateInventoryMessageItemDataInfo,
    map: &OSDMap,
) -> Result<(), Error> {
    value.item_id = decode_top(map, "ItemID")?;
    value.callback_id = decode_top(map, "CallbackID")?;
    value.folder_id = decode_top(map, "FolderID")?;
    value.creator_id = decode_top(map, "CreatorID")?;
    value.owner_id = decode_top(map, "OwnerID")?;
    value.group_id = decode_top(map, "GroupID")?;
    value.base_mask = decode_top(map, "BaseMask")?;
    value.owner_mask = decode_top(map, "OwnerMask")?;
    value.group_mask = decode_top(map, "GroupMask")?;
    value.everyone_mask = decode_top(map, "EveryoneMask")?;
    value.next_owner_mask = decode_top(map, "NextOwnerMask")?;
    value.group_owned = decode_top(map, "GroupOwned")?;
    value.asset_id = decode_top(map, "AssetID")?;
    value.type_ = decode_top(map, "Type")?;
    value.inv_type = decode_top(map, "InvType")?;
    value.flags = decode_top(map, "Flags")?;
    value.sale_type = decode_top(map, "SaleType")?;
    // Preserve the reference adapter's field selection for wire compatibility.
    value.sale_price = decode_top(map, "SaleType")?;
    value.name = decode_top(map, "Name")?;
    value.description = decode_top(map, "Description")?;
    value.creation_date = time_from_unix(decode_top(map, "CreationDate")?);
    value.crc = decode_top(map, "CRC")?;
    Ok(())
}

fn serialize_bulk_inventory(value: &BulkUpdateInventoryMessage) -> Result<OSDMap, Error> {
    finish_map([
        (
            "AgentData",
            one_block_osd([
                ("AgentID", value.agent_id.to_message_osd()?),
                ("TransactionID", value.transaction_id.to_message_osd()?),
            ]),
        ),
        ("FolderData", encode_struct_array(&value.folder_data)?),
        ("ItemData", encode_struct_array(&value.item_data)?),
    ])
}

fn deserialize_bulk_inventory(
    value: &mut BulkUpdateInventoryMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let agent = first_block(map, "AgentData")?;
    value.agent_id = decode_top(&agent, "AgentID")?;
    value.transaction_id = decode_top(&agent, "TransactionID")?;
    value.folder_data = match map.get("FolderData") {
        Some(encoded) => decode_array(&encoded)?,
        None => Vec::new(),
    };
    value.item_data = match map.get("ItemData") {
        Some(encoded) => decode_array(&encoded)?,
        None => Vec::new(),
    };
    Ok(())
}

macro_rules! map_message {
    ($type:ty { scalar: [$($scalar:ident => $scalar_key:literal),* $(,)?], array: [$($array:ident => $array_key:literal),* $(,)?], bytes: [$($bytes:ident => $bytes_key:literal),* $(,)?] } $(init $init:expr)?) => {
        impl GeneratedMessage for $type {
            fn new_generated() -> Self {
                #[allow(unused_mut)]
                let mut value = Self {
                    $($scalar: MessageValue::message_default(),)*
                    $($array: Vec::new(),)*
                    $($bytes: Vec::new(),)*
                };
                $($init(&mut value);)?
                value
            }
            fn serialize_generated(&self) -> Result<OSDMap, Error> {
                let map = OSDMap::new_with_constructor()?;
                $(map.add_with_string_osd($scalar_key.into(), self.$scalar.to_message_osd()?)?;)*
                $(map.add_with_string_osd($array_key.into(), encode_array(&self.$array)?)?;)*
                $(map.add_with_string_osd($bytes_key.into(), OSD::from_binary(self.$bytes.clone())?)?;)*
                Ok(map)
            }
            fn deserialize_generated(&mut self, map: &OSDMap) -> Result<(), Error> {
                $(if let Some(value) = map.get($scalar_key) { self.$scalar = MessageValue::from_message_osd(&value)?; })*
                $(if let Some(value) = map.get($array_key) { self.$array = decode_array(&value)?; })*
                $(if let Some(value) = map.get($bytes_key) { self.$bytes = value.as_binary()?; })*
                Ok(())
            }
        }
        impl MessageValue for $type {
            fn message_default() -> Self { <Self as GeneratedMessage>::new_generated() }
            fn to_message_osd(&self) -> Result<OSD, Error> {
                self.serialize_generated()?.copy()
            }
            fn from_message_osd(value: &OSD) -> Result<Self, Error> {
                let OSD::Map(values) = value else { return Err(Error::Argument); };
                let map = OSDMap::new_with_dictionary(values.clone())?;
                let mut output = <Self as GeneratedMessage>::new_generated();
                output.deserialize_generated(&map)?;
                Ok(output)
            }
        }
    };
}

macro_rules! custom_message {
    ($type:ty { scalar: [$($scalar:ident),* $(,)?], array: [$($array:ident),* $(,)?], bytes: [$($bytes:ident),* $(,)?] } => $serialize:path, $deserialize:path $(, init $init:expr)?) => {
        impl GeneratedMessage for $type {
            fn new_generated() -> Self {
                #[allow(unused_mut)]
                let mut value = Self {
                    $($scalar: MessageValue::message_default(),)*
                    $($array: Vec::new(),)*
                    $($bytes: Vec::new(),)*
                };
                $($init(&mut value);)?
                value
            }
            fn serialize_generated(&self) -> Result<OSDMap, Error> { $serialize(self) }
            fn deserialize_generated(&mut self, map: &OSDMap) -> Result<(), Error> {
                $deserialize(self, map)
            }
        }
        impl MessageValue for $type {
            fn message_default() -> Self { <Self as GeneratedMessage>::new_generated() }
            fn to_message_osd(&self) -> Result<OSD, Error> { self.serialize_generated()?.copy() }
            fn from_message_osd(value: &OSD) -> Result<Self, Error> {
                let OSD::Map(values) = value else { return Err(Error::Argument); };
                let map = OSDMap::new_with_dictionary(values.clone())?;
                let mut output = <Self as GeneratedMessage>::new_generated();
                output.deserialize_generated(&map)?;
                Ok(output)
            }
        }
    };
}

macro_rules! wrapped_message {
    ($type:ty) => {
        impl GeneratedMessage for $type {
            fn new_generated() -> Self {
                Self {
                    request: MessageValue::message_default(),
                }
            }

            fn serialize_generated(&self) -> Result<OSDMap, Error> {
                let OSD::Map(values) = self.request.to_message_osd()? else {
                    return Err(Error::Argument);
                };
                OSDMap::new_with_dictionary(values)
            }

            fn deserialize_generated(&mut self, map: &OSDMap) -> Result<(), Error> {
                self.request = MessageValue::from_message_osd(&map.copy()?)?;
                Ok(())
            }
        }

        impl MessageValue for $type {
            fn message_default() -> Self {
                <Self as GeneratedMessage>::new_generated()
            }

            fn to_message_osd(&self) -> Result<OSD, Error> {
                self.serialize_generated()?.copy()
            }

            fn from_message_osd(value: &OSD) -> Result<Self, Error> {
                let OSD::Map(values) = value else {
                    return Err(Error::Argument);
                };
                let map = OSDMap::new_with_dictionary(values.clone())?;
                let mut output = <Self as GeneratedMessage>::new_generated();
                output.deserialize_generated(&map)?;
                Ok(output)
            }
        }
    };
}

macro_rules! osd_entries {
    ($value:expr; $($field:ident => $key:literal),* $(,)?) => {
        vec![$(($key, $value.$field.to_message_osd()?)),*]
    };
}

macro_rules! decode_fields {
    ($value:expr, $map:expr; $($field:ident => $key:literal),* $(,)?) => {
        $($value.$field = decode_value($map, $key)?;)*
    };
}

map_message!(AgentGroupDataUpdateMessageGroupData {
    scalar: [
        accept_notices => "AcceptNotices",
        contribution => "Contribution",
        group_id => "GroupID",
        group_insignia_id => "GroupInsigniaID",
        group_name => "GroupName",
        group_powers => "GroupPowers",
        group_title => "GroupTitle"
    ],
    array: [],
    bytes: []
});
map_message!(AgentGroupDataUpdateMessageNewGroupData {
    scalar: [list_in_profile => "ListInProfile"],
    array: [],
    bytes: []
});
map_message!(AgentDropGroupMessageAgentData {
    scalar: [agent_id => "AgentID", group_id => "GroupID"],
    array: [],
    bytes: []
});
map_message!(AgentDropGroupMessage {
    scalar: [],
    array: [agent_data_block => "AgentData"],
    bytes: []
});
custom_message!(BulkUpdateInventoryMessageFolderDataInfo {
    scalar: [folder_id, name, parent_id, type_],
    array: [],
    bytes: []
} => serialize_bulk_folder, deserialize_bulk_folder);
custom_message!(BulkUpdateInventoryMessageItemDataInfo {
    scalar: [asset_id, base_mask, crc, callback_id, creation_date, creator_id, description, everyone_mask, flags, folder_id, group_id, group_mask, group_owned, inv_type, item_id, name, next_owner_mask, owner_id, owner_mask, sale_price, sale_type, type_],
    array: [],
    bytes: []
} => serialize_bulk_item, deserialize_bulk_item);
custom_message!(BulkUpdateInventoryMessage {
    scalar: [agent_id, transaction_id],
    array: [folder_data, item_data],
    bytes: []
} => serialize_bulk_inventory, deserialize_bulk_inventory);
custom_message!(AgentStateUpdateMessage {
    scalar: [alter_navmesh_objects, alter_permanent_objects, can_modify_navmesh, god_level, has_modified_navmesh, language, language_is_public, max_access, raw_data],
    array: [],
    bytes: []
} => serialize_agent_state_update, deserialize_agent_state_update);
custom_message!(AgentGroupDataUpdateMessage {
    scalar: [agent_id, avatar_id],
    array: [group_data_block, new_group_data_block],
    bytes: []
} => serialize_agent_group, deserialize_agent_group);
custom_message!(ChatSessionAcceptInvitation { scalar: [base, session_id], array: [], bytes: [] } => serialize_chat_accept, deserialize_chat_accept, init |value: &mut ChatSessionAcceptInvitation| value.base.method = "accept invitation".into());
custom_message!(ChatSessionRequestMuteUpdate { scalar: [base, agent_id, request_key, request_value, session_id], array: [], bytes: [] } => serialize_chat_mute, deserialize_chat_mute, init |value: &mut ChatSessionRequestMuteUpdate| value.base.method = "mute update".into());
custom_message!(ChatSessionRequestStartConference { scalar: [base, session_id], array: [agents_block], bytes: [] } => serialize_chat_start, deserialize_chat_start, init |value: &mut ChatSessionRequestStartConference| value.base.method = "start conference".into());
custom_message!(ChatterBoxInvitationMessage {
    scalar: [
        dialog,
        from_agent_id,
        from_agent_name,
        group_im,
        im_session_id,
        message,
        offline,
        parent_estate_id,
        position,
        region_id,
        timestamp,
        to_agent_id,
        voice,
        voice_channel_credentials,
        voice_channel_uri
    ],
    array: [],
    bytes: [binary_bucket]
} => serialize_chatter_invitation, deserialize_chatter_invitation);
custom_message!(CrossedRegionMessage {
    scalar: [agent_id, ip, look_at, port, position, region_handle, region_size_x, region_size_y, seed_capability, session_id],
    array: [],
    bytes: []
} => serialize_crossed_region, deserialize_crossed_region, init |value: &mut CrossedRegionMessage| {
    value.region_size_x = crate::network_manager::Simulator::DEFAULT_REGION_SIZE_X;
    value.region_size_y = crate::network_manager::Simulator::DEFAULT_REGION_SIZE_Y;
});
map_message!(ChatterBoxSessionAgentListUpdatesMessageAgentUpdatesBlock {
    scalar: [
        agent_id => "agent_id",
        can_voice_chat => "can_voice_chat",
        is_moderator => "is_moderator",
        mute_text => "mute_text",
        mute_voice => "mute_voice",
        transition => "transition"
    ],
    array: [],
    bytes: []
});
custom_message!(ChatterBoxSessionAgentListUpdatesMessage {
    scalar: [session_id],
    array: [updates],
    bytes: []
} => serialize_chatter_updates, deserialize_chatter_updates);
custom_message!(ChatterBoxSessionStartReplyMessage {
    scalar: [
        moderated_voice,
        session_id,
        session_name,
        success,
        temp_session_id,
        type_,
        voice_enabled
    ],
    array: [],
    bytes: []
} => serialize_chatter_start_reply, deserialize_chatter_start_reply);
map_message!(ChatterboxSessionEventReplyMessage {
    scalar: [session_id => "session_id", success => "success"],
    array: [],
    bytes: []
});
map_message!(CopyInventoryFromNotecardMessage {
    scalar: [
        callback_id => "callback-id",
        folder_id => "folder-id",
        item_id => "item-id",
        notecard_id => "notecard-id",
        object_id => "object-id"
    ],
    array: [],
    bytes: []
});
map_message!(DirLandReplyMessageQueryReply {
    scalar: [
        actual_area => "ActualArea",
        auction => "Auction",
        for_sale => "ForSale",
        name => "Name",
        parcel_id => "ParcelID",
        product_sku => "ProductSKU",
        sale_price => "SalePrice"
    ],
    array: [],
    bytes: []
});
custom_message!(DirLandReplyMessage {
    scalar: [agent_id, query_id],
    array: [query_replies],
    bytes: []
} => serialize_dir_land, deserialize_dir_land);
custom_message!(EnableSimulatorMessageSimulatorInfoBlock {
    scalar: [ip, port, region_handle, region_size_x, region_size_y],
    array: [],
    bytes: []
} => serialize_simulator_info, deserialize_simulator_info);
custom_message!(EnableSimulatorMessage {
    scalar: [],
    array: [simulators],
    bytes: []
} => serialize_enable_simulator, deserialize_enable_simulator);
custom_message!(EstablishAgentCommunicationMessage {
    scalar: [address, agent_id, port, seed_capability],
    array: [],
    bytes: []
} => serialize_establish_agent, deserialize_establish_agent);
custom_message!(LandStatReplyMessageReportDataBlock {
    scalar: [
        location,
        mono_score,
        owner_name,
        score,
        task_id,
        task_local_id,
        task_name,
        time_stamp
    ],
    array: [],
    bytes: []
} => serialize_land_stat_block, deserialize_land_stat_block);
custom_message!(LandStatReplyMessage {
    scalar: [report_type, request_flags, total_object_count],
    array: [report_data_blocks],
    bytes: []
} => serialize_land_stat, deserialize_land_stat);
map_message!(MapLayerReplyVariantLayerData {
    scalar: [
        bottom => "Bottom",
        image_id => "ImageID",
        left => "Left",
        right => "Right",
        top => "Top"
    ],
    array: [],
    bytes: []
});
custom_message!(MapLayerReplyVariant {
    scalar: [base],
    array: [layer_data_blocks],
    bytes: []
} => serialize_map_layer, deserialize_map_layer);
map_message!(ParcelObjectOwnersReplyMessagePrimOwner {
    scalar: [
        count => "Count",
        is_group_owned => "IsGroupOwned",
        online_status => "OnlineStatus",
        owner_id => "OwnerID",
        time_stamp => "TimeStamp"
    ],
    array: [],
    bytes: []
});
custom_message!(ParcelObjectOwnersReplyMessage {
    scalar: [],
    array: [prim_owners_block],
    bytes: []
} => serialize_parcel_owners, deserialize_parcel_owners);
custom_message!(ParcelPropertiesMessage {
    scalar: [
        aabb_max,
        aabb_min,
        any_av_sounds,
        area,
        auction_id,
        auth_buyer_id,
        category,
        claim_date,
        claim_price,
        desc,
        group_av_sounds,
        group_id,
        group_prims,
        is_group_owned,
        landing_type,
        local_id,
        max_prims,
        media_auto_scale,
        media_desc,
        media_height,
        media_id,
        media_loop,
        media_type,
        media_url,
        media_width,
        music_url,
        name,
        obscure_media,
        obscure_music,
        other_clean_time,
        other_count,
        other_prims,
        owner_id,
        owner_prims,
        parcel_flags,
        parcel_prim_bonus,
        pass_hours,
        pass_price,
        privacy,
        public_count,
        region_deny_age_unverified,
        region_deny_anonymous,
        region_deny_identified,
        region_deny_transacted,
        region_push_override,
        rent_price,
        request_result,
        sale_price,
        see_a_vs,
        selected_prims,
        self_count,
        sequence_id,
        sim_wide_max_prims,
        sim_wide_total_prims,
        snap_selection,
        snapshot_id,
        status,
        total_prims,
        user_location,
        user_look_at
    ],
    array: [],
    bytes: [bitmap]
} => serialize_parcel_properties, deserialize_parcel_properties);
custom_message!(ParcelPropertiesUpdateMessage {
    scalar: [
        any_av_sounds,
        auth_buyer_id,
        category,
        desc,
        group_av_sounds,
        group_id,
        landing,
        local_id,
        media_auto_scale,
        media_desc,
        media_height,
        media_id,
        media_loop,
        media_type,
        media_url,
        media_width,
        music_url,
        name,
        obscure_media,
        obscure_music,
        parcel_flags,
        pass_hours,
        pass_price,
        privacy,
        sale_price,
        see_a_vs,
        snapshot_id,
        user_location,
        user_look_at
    ],
    array: [],
    bytes: []
} => serialize_parcel_update, deserialize_parcel_update);
custom_message!(ParcelVoiceInfoRequestMessage {
    scalar: [parcel_id, region_name, sip_channel_uri],
    array: [],
    bytes: []
} => serialize_parcel_voice, deserialize_parcel_voice);
map_message!(PlacesReplyMessageQueryData {
    scalar: [
        actual_area => "ActualArea",
        billable_area => "BillableArea",
        description => "Desc",
        dwell => "Dwell",
        flags => "Flags",
        global_x => "GlobalX",
        global_y => "GlobalY",
        global_z => "GlobalZ",
        name => "Name",
        owner_id => "OwnerID",
        price => "Price",
        product_sku => "ProductSKU",
        sim_name => "SimName",
        snap_shot_id => "SnapshotID"
    ],
    array: [],
    bytes: []
});
custom_message!(PlacesReplyMessage {
    scalar: [agent_id, query_id, transaction_id],
    array: [query_data_blocks],
    bytes: []
} => serialize_places, deserialize_places);
map_message!(ProvisionVoiceAccountRequestMessage {
    scalar: [password => "password", username => "username"],
    array: [],
    bytes: []
});
map_message!(RemoteParcelRequestReply {
    scalar: [parcel_id => "parcel_id"],
    array: [],
    bytes: []
});
map_message!(SearchStatRequestRequest {
    scalar: [classified_id => "classified_id"],
    array: [],
    bytes: []
});
map_message!(SearchStatRequestReply {
    scalar: [
        map_clicks => "map_clicks",
        profile_clicks => "profile_clicks",
        search_map_clicks => "search_map_clicks",
        search_profile_clicks => "search_profile_clicks",
        search_teleport_clicks => "search_teleport_clicks",
        teleport_clicks => "teleport_clicks"
    ],
    array: [],
    bytes: []
});
map_message!(ForceCloseChatterBoxSessionMessage {
    scalar: [reason => "reason", session_id => "session_id"],
    array: [],
    bytes: []
});
map_message!(GetDisplayNamesMessage {
    scalar: [],
    array: [agents => "agents", bad_i_ds => "bad_ids"],
    bytes: []
});
custom_message!(GetObjectCostMessage {
    scalar: [link_cost, link_physics_cost, object_cost, object_id, physics_cost],
    array: [],
    bytes: []
} => serialize_get_object_cost, deserialize_get_object_cost);
custom_message!(BaseResourcesInfo {
    scalar: [summary_available, summary_used],
    array: [],
    bytes: []
} => serialize_base_resources, deserialize_base_resources);
map_message!(GetObjectCostRequest {
    scalar: [],
    array: [object_i_ds => "object_ids"],
    bytes: []
});
map_message!(LandResourcesMessage {
    scalar: [
        script_resource_details => "ScriptResourceDetails",
        script_resource_summary => "ScriptResourceSummary"
    ],
    array: [],
    bytes: []
});
map_message!(LandResourcesRequest {
    scalar: [parcel_id => "parcel_id"],
    array: [],
    bytes: []
});
custom_message!(NavMeshStatusUpdateMessage {
    scalar: [raw_data, region_id, status, version],
    array: [],
    bytes: []
} => serialize_nav_mesh_status, deserialize_nav_mesh_status);
map_message!(ObjectMediaNavigateMessage {
    scalar: [face => "texture_index", prim_id => "object_id", url => "current_url"],
    array: [],
    bytes: []
});
map_message!(ObjectMediaRequest {
    scalar: [prim_id => "object_id", verb => "verb"],
    array: [],
    bytes: []
} init |value: &mut ObjectMediaRequest| value.verb = "GET".into());
map_message!(ObjectMediaResponse {
    scalar: [prim_id => "object_id", version => "object_media_version"],
    array: [face_media => "object_media_data"],
    bytes: []
});
map_message!(ObjectMediaUpdate {
    scalar: [prim_id => "object_id", verb => "verb"],
    array: [face_media => "object_media_data"],
    bytes: []
} init |value: &mut ObjectMediaUpdate| value.verb = "UPDATE".into());
map_message!(ObjectPhysicsPropertiesMessage {
    scalar: [],
    array: [object_physics_properties => "ObjectData"],
    bytes: []
});
custom_message!(RegionInfoMessage {
    scalar: [channel_uri, parcel_local_id, region_name],
    array: [],
    bytes: []
} => serialize_region_info, deserialize_region_info);
custom_message!(RenderMaterialsMessage {
    scalar: [material_data],
    array: [],
    bytes: []
} => serialize_render_materials, deserialize_render_materials);
map_message!(RequiredVoiceVersionMessage {
    scalar: [
        major_version => "major_version",
        minor_version => "minor_version",
        region_name => "region_name"
    ],
    array: [],
    bytes: []
});
custom_message!(ScriptRunningReplyMessage {
    scalar: [item_id, mono, object_id, running],
    array: [],
    bytes: []
} => serialize_script_running, deserialize_script_running);
map_message!(SendPostcardMessage {
    scalar: [
        from_name => "name",
        global_position => "pos-global",
        message => "msg",
        subject => "subject",
        to_email => "to"
    ],
    array: [],
    bytes: []
});
custom_message!(SetDisplayNameMessage {
    scalar: [new_display_name, old_display_name],
    array: [],
    bytes: []
} => serialize_set_display_name, deserialize_set_display_name);
custom_message!(SetDisplayNameReplyMessage {
    scalar: [display_name, reason, status],
    array: [],
    bytes: []
} => serialize_set_display_name_reply, deserialize_set_display_name_reply);
custom_message!(DisplayNameUpdateMessage {
    scalar: [display_name, old_display_name],
    array: [],
    bytes: []
} => serialize_display_name_update, deserialize_display_name_update);
map_message!(SimConsoleResponseMessage {
    scalar: [body => "body"],
    array: [],
    bytes: []
});
custom_message!(TeleportFailedMessage {
    scalar: [agent_id, extra_params, message_key, reason],
    array: [],
    bytes: []
} => serialize_teleport_failed, deserialize_teleport_failed);
custom_message!(TeleportFinishMessage {
    scalar: [
        agent_id,
        flags,
        ip,
        location_id,
        port,
        region_handle,
        region_size_x,
        region_size_y,
        seed_capability,
        sim_access
    ],
    array: [],
    bytes: []
} => serialize_teleport_finish, deserialize_teleport_finish);
custom_message!(UpdateAgentInformationMessage {
    scalar: [max_access],
    array: [],
    bytes: []
} => serialize_agent_information, deserialize_agent_information);
map_message!(UpdateAgentInventoryRequestMessage {
    scalar: [item_id => "item_id"],
    array: [],
    bytes: []
});
map_message!(UpdateAgentLanguageMessage {
    scalar: [language => "language", language_public => "language_is_public"],
    array: [],
    bytes: []
});
map_message!(UpdateScriptAgentRequestMessage {
    scalar: [item_id => "item_id", target => "target"],
    array: [],
    bytes: []
} init |value: &mut UpdateScriptAgentRequestMessage| value.target = "lsl2".into());
map_message!(UpdateScriptTaskUpdateMessage {
    scalar: [
        item_id => "item_id",
        script_running => "is_script_running",
        target => "target",
        task_id => "task_id"
    ],
    array: [],
    bytes: []
});
custom_message!(ViewerStatsMessage {
    scalar: [
        agent_fps,
        agent_language,
        agent_memory_used,
        agent_ping,
        agent_runtime,
        agent_start_time,
        agent_version,
        agents_in_view,
        failures_invalid,
        failures_off_circuit,
        failures_resent,
        failures_send_packet,
        in_compressed_packets,
        in_kbytes,
        in_packets,
        in_savings,
        meters_traveled,
        misc_int1,
        misc_int2,
        misc_string1,
        misc_version,
        out_compressed_packets,
        out_kbytes,
        out_packets,
        out_savings,
        regions_visited,
        session_id,
        simulator_fps,
        stats_dropped,
        stats_failed_resends,
        system_cpu,
        system_gpu,
        system_gpu_class,
        system_gpu_vendor,
        system_gpu_version,
        system_installed_ram,
        system_os,
        vertex_buffers_enabled,
        object_kbytes,
        texture_kbytes,
        world_kbytes
    ],
    array: [],
    bytes: []
} => serialize_viewer_stats, deserialize_viewer_stats);
custom_message!(UploaderRequestUpload {
    scalar: [url],
    array: [],
    bytes: []
} => serialize_uploader_upload, deserialize_uploader_upload);
custom_message!(UploaderRequestComplete {
    scalar: [asset_id],
    array: [],
    bytes: []
} => serialize_uploader_complete, deserialize_uploader_complete);
custom_message!(NewFileAgentInventoryMessage {
    scalar: [asset_type, description, everyone_mask, folder_id, group_mask, inventory_type, name, next_owner_mask],
    array: [],
    bytes: []
} => serialize_new_file_inventory, deserialize_new_file_inventory);
custom_message!(NewFileAgentInventoryVariablePriceMessage {
    scalar: [asset_type, description, everyone_mask, folder_id, group_mask, inventory_type, name, next_owner_mask],
    array: [],
    bytes: []
} => serialize_new_file_inventory_variable, deserialize_new_file_inventory_variable);
map_message!(NewFileAgentInventoryReplyMessage {
    scalar: [state => "state", uploader => "uploader"],
    array: [],
    bytes: []
} init |value: &mut NewFileAgentInventoryReplyMessage| value.state = "upload".into());
map_message!(NewFileAgentInventoryVariablePriceReplyMessage {
    scalar: [resource_cost => "resource_cost", rsvp => "rsvp", state => "state", upload_price => "upload_price"],
    array: [],
    bytes: []
} init |value: &mut NewFileAgentInventoryVariablePriceReplyMessage| value.state = "confirm_upload".into());
map_message!(NewFileAgentInventoryUploadReplyMessage {
    scalar: [
        new_asset => "new_asset",
        new_base_mask => "new_base_mask",
        new_everyone_mask => "new_everyone_mask",
        new_inventory_item => "new_inventory_item",
        new_next_owner_mask => "new_next_owner_mask",
        new_owner_mask => "new_owner_mask",
        state => "state"
    ],
    array: [],
    bytes: []
} init |value: &mut NewFileAgentInventoryUploadReplyMessage| value.state = "complete".into());
map_message!(UpdateNotecardTaskInventoryMessage {
    scalar: [item_id => "item_id", task_id => "task_id"],
    array: [],
    bytes: []
});
custom_message!(UploaderRequestScriptComplete {
    scalar: [asset_id, compiled],
    array: [],
    bytes: []
} => serialize_uploader_script_complete, deserialize_uploader_script_complete);
custom_message!(UploaderScriptRequestError {
    scalar: [asset_id, compiled, error],
    array: [],
    bytes: []
} => serialize_uploader_script_error, deserialize_uploader_script_error);
map_message!(RemoteParcelRequestRequest {
    scalar: [location => "location", region_handle => "region_handle", region_id => "region_id"],
    array: [],
    bytes: []
});
wrapped_message!(ChatSessionRequestMessage);
wrapped_message!(MapLayerMessage);
wrapped_message!(ObjectMediaMessage);
wrapped_message!(RemoteParcelRequestMessage);
wrapped_message!(SearchStatRequestMessage);
wrapped_message!(UpdateGestureAgentInventoryMessage);
wrapped_message!(UpdateNotecardAgentInventoryMessage);
wrapped_message!(UpdateScriptAgentMessage);
wrapped_message!(UpdateScriptTaskMessage);
wrapped_message!(UploadBakedTextureMessage);
wrapped_message!(UploadScriptTaskMessage);

fn serialize_new_file_inventory_fields(
    asset_type: AssetType,
    description: &str,
    everyone_mask: PermissionMask,
    folder_id: UUID,
    group_mask: PermissionMask,
    inventory_type: InventoryType,
    name: &str,
    next_owner_mask: PermissionMask,
) -> Result<OSDMap, Error> {
    finish_map([
        ("folder_id", folder_id.to_message_osd()?),
        (
            "asset_type",
            libremetaverse_types::Utils::asset_type_to_string(asset_type)?.to_message_osd()?,
        ),
        (
            "inventory_type",
            libremetaverse_types::Utils::inventory_type_to_string(inventory_type)?
                .to_message_osd()?,
        ),
        ("name", name.to_owned().to_message_osd()?),
        ("description", description.to_owned().to_message_osd()?),
        ("everyone_mask", everyone_mask.to_message_osd()?),
        ("group_mask", group_mask.to_message_osd()?),
        ("next_owner_mask", next_owner_mask.to_message_osd()?),
    ])
}

fn deserialize_new_file_inventory_fields(
    map: &OSDMap,
) -> Result<
    (
        AssetType,
        String,
        PermissionMask,
        UUID,
        PermissionMask,
        InventoryType,
        String,
        PermissionMask,
    ),
    Error,
> {
    Ok((
        libremetaverse_types::Utils::string_to_asset_type(decode_top(map, "asset_type")?)?,
        decode_top(map, "description")?,
        decode_top(map, "everyone_mask")?,
        decode_top(map, "folder_id")?,
        decode_top(map, "group_mask")?,
        libremetaverse_types::Utils::string_to_inventory_type(decode_top(map, "inventory_type")?)?,
        decode_top(map, "name")?,
        decode_top(map, "next_owner_mask")?,
    ))
}

fn serialize_new_file_inventory(value: &NewFileAgentInventoryMessage) -> Result<OSDMap, Error> {
    serialize_new_file_inventory_fields(
        value.asset_type,
        &value.description,
        value.everyone_mask,
        value.folder_id,
        value.group_mask,
        value.inventory_type,
        &value.name,
        value.next_owner_mask,
    )
}

fn deserialize_new_file_inventory(
    value: &mut NewFileAgentInventoryMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    (
        value.asset_type,
        value.description,
        value.everyone_mask,
        value.folder_id,
        value.group_mask,
        value.inventory_type,
        value.name,
        value.next_owner_mask,
    ) = deserialize_new_file_inventory_fields(map)?;
    Ok(())
}

fn serialize_new_file_inventory_variable(
    value: &NewFileAgentInventoryVariablePriceMessage,
) -> Result<OSDMap, Error> {
    serialize_new_file_inventory_fields(
        value.asset_type,
        &value.description,
        value.everyone_mask,
        value.folder_id,
        value.group_mask,
        value.inventory_type,
        &value.name,
        value.next_owner_mask,
    )
}

fn deserialize_new_file_inventory_variable(
    value: &mut NewFileAgentInventoryVariablePriceMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    (
        value.asset_type,
        value.description,
        value.everyone_mask,
        value.folder_id,
        value.group_mask,
        value.inventory_type,
        value.name,
        value.next_owner_mask,
    ) = deserialize_new_file_inventory_fields(map)?;
    Ok(())
}

fn serialize_uploader_script_complete(
    value: &UploaderRequestScriptComplete,
) -> Result<OSDMap, Error> {
    finish_map([
        ("state", "complete".to_owned().to_message_osd()?),
        ("new_asset", value.asset_id.to_message_osd()?),
        ("compiled", value.compiled.to_message_osd()?),
    ])
}

fn deserialize_uploader_script_complete(
    value: &mut UploaderRequestScriptComplete,
    map: &OSDMap,
) -> Result<(), Error> {
    value.asset_id = decode_top(map, "new_asset")?;
    value.compiled = decode_top(map, "compiled")?;
    Ok(())
}

fn serialize_uploader_script_error(value: &UploaderScriptRequestError) -> Result<OSDMap, Error> {
    finish_map([
        ("state", "complete".to_owned().to_message_osd()?),
        ("new_asset", value.asset_id.to_message_osd()?),
        ("compiled", value.compiled.to_message_osd()?),
        ("errors", encode_array(std::slice::from_ref(&value.error))?),
    ])
}

fn deserialize_uploader_script_error(
    value: &mut UploaderScriptRequestError,
    map: &OSDMap,
) -> Result<(), Error> {
    value.asset_id = decode_top(map, "new_asset")?;
    value.compiled = decode_top(map, "compiled")?;
    value.error = decode_array::<String>(&required(map, "errors")?)?
        .into_iter()
        .next()
        .ok_or(Error::Argument)?;
    Ok(())
}

fn serialize_agent_group(value: &AgentGroupDataUpdateMessage) -> Result<OSDMap, Error> {
    finish_map([
        (
            "AgentData",
            one_block_osd([("AgentID", value.agent_id.to_message_osd()?)]),
        ),
        ("GroupData", encode_struct_array(&value.group_data_block)?),
        (
            "NewGroupData",
            encode_struct_array(&value.new_group_data_block)?,
        ),
    ])
}

fn deserialize_agent_group(
    value: &mut AgentGroupDataUpdateMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let agent_blocks = required(map, "AgentData")?;
    let agent_blocks = as_array(&agent_blocks)?;
    let agent = as_map(agent_blocks.first().ok_or(Error::Argument)?)?;
    value.agent_id = decode_value(agent, "AgentID")?;
    value.avatar_id = if let Some(avatar) = agent_blocks.get(1) {
        decode_value(as_map(avatar)?, "AvatarID")?
    } else {
        value.agent_id
    };
    value.group_data_block = decode_struct_array(map, "GroupData")?;
    value.new_group_data_block = if map.get("NewGroupData").is_some() {
        decode_struct_array(map, "NewGroupData")?
    } else {
        (0..value.group_data_block.len())
            .map(|_| AgentGroupDataUpdateMessageNewGroupData {
                list_in_profile: false,
            })
            .collect()
    };
    Ok(())
}

fn serialize_chat_accept(value: &ChatSessionAcceptInvitation) -> Result<OSDMap, Error> {
    finish_map([
        ("method", value.base.method.to_message_osd()?),
        ("session-id", value.session_id.to_message_osd()?),
    ])
}

fn deserialize_chat_accept(
    value: &mut ChatSessionAcceptInvitation,
    map: &OSDMap,
) -> Result<(), Error> {
    value.base.method = decode_top(map, "method")?;
    value.session_id = decode_top(map, "session-id")?;
    Ok(())
}

fn serialize_chat_start(value: &ChatSessionRequestStartConference) -> Result<OSDMap, Error> {
    finish_map([
        ("method", value.base.method.to_message_osd()?),
        ("params", encode_array(&value.agents_block)?),
        ("session-id", value.session_id.to_message_osd()?),
    ])
}

fn deserialize_chat_start(
    value: &mut ChatSessionRequestStartConference,
    map: &OSDMap,
) -> Result<(), Error> {
    value.base.method = decode_top(map, "method")?;
    value.agents_block = decode_array(&required(map, "params")?)?;
    value.session_id = decode_top(map, "session-id")?;
    Ok(())
}

fn serialize_chat_mute(value: &ChatSessionRequestMuteUpdate) -> Result<OSDMap, Error> {
    let mute = OSD::Map(HashMap::from([(
        value.request_key.clone(),
        value.request_value.to_message_osd()?,
    )]));
    finish_map([
        ("method", value.base.method.to_message_osd()?),
        (
            "params",
            map_osd([
                ("agent_id", value.agent_id.to_message_osd()?),
                ("mute_info", mute),
            ]),
        ),
        ("session-id", value.session_id.to_message_osd()?),
    ])
}

fn deserialize_chat_mute(
    value: &mut ChatSessionRequestMuteUpdate,
    map: &OSDMap,
) -> Result<(), Error> {
    value.base.method = decode_top(map, "method")?;
    value.session_id = decode_top(map, "session-id")?;
    let params_value = required(map, "params")?;
    let params = as_map(&params_value)?;
    value.agent_id = decode_value(params, "agent_id")?;
    let mute = as_map(required_from(params, "mute_info")?)?;
    value.request_key = if mute.contains_key("text") {
        "text".into()
    } else if mute.contains_key("voice") {
        "voice".into()
    } else {
        return Err(Error::Argument);
    };
    value.request_value = decode_value(mute, &value.request_key)?;
    Ok(())
}

fn serialize_chatter_invitation(value: &ChatterBoxInvitationMessage) -> Result<OSDMap, Error> {
    let data = map_osd([
        ("timestamp", value.timestamp.to_message_osd()?),
        ("type", value.dialog.to_message_osd()?),
        (
            "binary_bucket",
            OSD::from_binary(value.binary_bucket.clone())?,
        ),
    ]);
    let params = map_osd([
        ("from_id", value.from_agent_id.to_message_osd()?),
        ("from_name", value.from_agent_name.to_message_osd()?),
        ("to_id", value.to_agent_id.to_message_osd()?),
        (
            "parent_estate_id",
            integer_from_u32(value.parent_estate_id)?,
        ),
        ("region_id", value.region_id.to_message_osd()?),
        ("position", value.position.to_message_osd()?),
        ("from_group", value.group_im.to_message_osd()?),
        ("id", value.im_session_id.to_message_osd()?),
        ("message", value.message.to_message_osd()?),
        ("offline", value.offline.to_message_osd()?),
        ("data", data),
    ]);
    finish_map([("instantmessage", map_osd([("message_params", params)]))])
}

fn deserialize_chatter_invitation(
    value: &mut ChatterBoxInvitationMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    if map.get("voice").is_some() {
        value.from_agent_id = decode_top(map, "from_id")?;
        value.from_agent_name = decode_top(map, "from_name")?;
        value.im_session_id = decode_top(map, "session_id")?;
        value.binary_bucket = decode_top::<String>(map, "session_name")?.into_bytes();
        value.voice = true;
        let voice_value = required(map, "voice")?;
        let voice = as_map(&voice_value)?;
        value.voice_channel_uri = voice
            .get("channel_uri")
            .map(String::from_message_osd)
            .transpose()?
            .unwrap_or_default();
        value.voice_channel_credentials = voice
            .get("channel_credentials")
            .map(String::from_message_osd)
            .transpose()?
            .unwrap_or_default();
        return Ok(());
    }
    let im_value = required(map, "instantmessage")?;
    let im = as_map(&im_value)?;
    let params = as_map(required_from(im, "message_params")?)?;
    let data = as_map(required_from(params, "data")?)?;
    value.from_agent_id = decode_value(params, "from_id")?;
    value.from_agent_name = decode_value(params, "from_name")?;
    value.to_agent_id = decode_value(params, "to_id")?;
    value.parent_estate_id = decode_value(params, "parent_estate_id")?;
    value.region_id = decode_value(params, "region_id")?;
    value.position = decode_value(params, "position")?;
    value.group_im = decode_value(params, "from_group")?;
    value.im_session_id = decode_value(params, "id")?;
    value.message = decode_value(params, "message")?;
    value.offline = decode_value(params, "offline")?;
    value.dialog = decode_value(data, "type")?;
    value.binary_bucket = required_from(data, "binary_bucket")?.as_binary()?;
    value.timestamp = decode_value(data, "timestamp")?;
    value.voice = false;
    Ok(())
}

fn serialize_chatter_start_reply(
    value: &ChatterBoxSessionStartReplyMessage,
) -> Result<OSDMap, Error> {
    let moderated = map_osd([("voice", value.moderated_voice.to_message_osd()?)]);
    let session = map_osd([
        ("type", value.type_.to_message_osd()?),
        ("session_name", value.session_name.to_message_osd()?),
        ("voice_enabled", value.voice_enabled.to_message_osd()?),
        ("moderated_mode", moderated),
    ]);
    finish_map([
        ("session_id", value.session_id.to_message_osd()?),
        ("temp_session_id", value.temp_session_id.to_message_osd()?),
        ("success", value.success.to_message_osd()?),
        ("session_info", session),
    ])
}

fn deserialize_chatter_start_reply(
    value: &mut ChatterBoxSessionStartReplyMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    value.session_id = decode_top(map, "session_id")?;
    value.temp_session_id = decode_top(map, "temp_session_id")?;
    value.success = decode_top(map, "success")?;
    if !value.success {
        return Ok(());
    }
    let session_value = required(map, "session_info")?;
    let session = as_map(&session_value)?;
    value.session_name = decode_value(session, "session_name")?;
    value.type_ = decode_value(session, "type")?;
    value.voice_enabled = decode_value(session, "voice_enabled")?;
    let moderated = as_map(required_from(session, "moderated_mode")?)?;
    value.moderated_voice = decode_value(moderated, "voice")?;
    Ok(())
}

fn serialize_chatter_updates(
    value: &ChatterBoxSessionAgentListUpdatesMessage,
) -> Result<OSDMap, Error> {
    let mut updates = HashMap::with_capacity(value.updates.len());
    for block in &value.updates {
        let mutes = map_osd([
            ("text", block.mute_text.to_message_osd()?),
            ("voice", block.mute_voice.to_message_osd()?),
        ]);
        let info = map_osd([
            ("can_voice_chat", block.can_voice_chat.to_message_osd()?),
            ("is_moderator", block.is_moderator.to_message_osd()?),
            ("mutes", mutes),
        ]);
        updates.insert(
            block.agent_id.to_string(),
            map_osd([
                ("info", info),
                ("transition", block.transition.to_message_osd()?),
            ]),
        );
    }
    finish_map([
        ("agent_updates", OSD::Map(updates)),
        ("session_id", value.session_id.to_message_osd()?),
    ])
}

fn deserialize_chatter_updates(
    value: &mut ChatterBoxSessionAgentListUpdatesMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    value.session_id = decode_top(map, "session_id")?;
    let updates_value = required(map, "agent_updates")?;
    let updates = as_map(&updates_value)?;
    let mut output = Vec::with_capacity(updates.len());
    for (agent_id, update) in updates {
        if agent_id == "updates" || agent_id == "session_id" {
            continue;
        }
        let update = as_map(update)?;
        let info = as_map(required_from(update, "info")?)?;
        let mut decoded = ChatterBoxSessionAgentListUpdatesMessageAgentUpdatesBlock {
            agent_id: UUID::new_with_string(agent_id.clone())?,
            can_voice_chat: decode_value(info, "can_voice_chat")?,
            is_moderator: decode_value(info, "is_moderator")?,
            mute_text: false,
            mute_voice: false,
            transition: decode_value(update, "transition")?,
        };
        if let Some(mutes) = info.get("mutes") {
            let mutes = as_map(mutes)?;
            decoded.mute_text = decode_value(mutes, "text")?;
            decoded.mute_voice = decode_value(mutes, "voice")?;
        }
        output.push(decoded);
    }
    value.updates = output;
    Ok(())
}

fn serialize_dir_land(value: &DirLandReplyMessage) -> Result<OSDMap, Error> {
    finish_map([
        (
            "AgentData",
            one_block_osd([("AgentID", value.agent_id.to_message_osd()?)]),
        ),
        (
            "QueryData",
            one_block_osd([("QueryID", value.query_id.to_message_osd()?)]),
        ),
        ("QueryReplies", encode_struct_array(&value.query_replies)?),
    ])
}

fn deserialize_dir_land(value: &mut DirLandReplyMessage, map: &OSDMap) -> Result<(), Error> {
    let agent = owned_block(map, "AgentData")?;
    value.agent_id = decode_value(&agent, "AgentID")?;
    let query = owned_block(map, "QueryData")?;
    value.query_id = decode_value(&query, "QueryID")?;
    value.query_replies = decode_struct_array(map, "QueryReplies")?;
    Ok(())
}

fn serialize_enable_simulator(value: &EnableSimulatorMessage) -> Result<OSDMap, Error> {
    finish_map([("SimulatorInfo", encode_struct_array(&value.simulators)?)])
}

fn serialize_simulator_info(
    value: &EnableSimulatorMessageSimulatorInfoBlock,
) -> Result<OSDMap, Error> {
    finish_map([
        ("Handle", value.region_handle.to_message_osd()?),
        ("IP", value.ip.to_message_osd()?),
        ("Port", value.port.to_message_osd()?),
        ("RegionSizeX", value.region_size_x.to_message_osd()?),
        ("RegionSizeY", value.region_size_y.to_message_osd()?),
    ])
}

fn deserialize_simulator_info(
    value: &mut EnableSimulatorMessageSimulatorInfoBlock,
    map: &OSDMap,
) -> Result<(), Error> {
    value.region_handle = decode_top(map, "Handle")?;
    value.ip = decode_top(map, "IP")?;
    value.port = decode_top(map, "Port")?;
    value.region_size_x = map
        .get("RegionSizeX")
        .map(|field| u32::from_message_osd(&field))
        .transpose()?
        .unwrap_or(256);
    value.region_size_y = map
        .get("RegionSizeY")
        .map(|field| u32::from_message_osd(&field))
        .transpose()?
        .unwrap_or(256);
    Ok(())
}

fn deserialize_enable_simulator(
    value: &mut EnableSimulatorMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    value.simulators = decode_struct_array(map, "SimulatorInfo")?;
    Ok(())
}

fn serialize_establish_agent(value: &EstablishAgentCommunicationMessage) -> Result<OSDMap, Error> {
    finish_map([
        ("agent-id", value.agent_id.to_message_osd()?),
        (
            "sim-ip-and-port",
            OSD::from_string(format!("{}:{}", value.address, value.port))?,
        ),
        ("seed-capability", value.seed_capability.to_message_osd()?),
    ])
}

fn deserialize_establish_agent(
    value: &mut EstablishAgentCommunicationMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    value.agent_id = decode_top(map, "agent-id")?;
    let endpoint: String = decode_top(map, "sim-ip-and-port")?;
    let (address, port) = endpoint.rsplit_once(':').ok_or(Error::Argument)?;
    value.address = address.parse().map_err(|_| Error::Argument)?;
    value.port = port.parse().map_err(|_| Error::Argument)?;
    value.seed_capability = decode_top(map, "seed-capability")?;
    Ok(())
}

fn serialize_map_layer(value: &MapLayerReplyVariant) -> Result<OSDMap, Error> {
    finish_map([
        (
            "AgentData",
            map_osd([("Flags", value.base.flags.to_message_osd()?)]),
        ),
        ("LayerData", encode_struct_array(&value.layer_data_blocks)?),
    ])
}

fn deserialize_map_layer(value: &mut MapLayerReplyVariant, map: &OSDMap) -> Result<(), Error> {
    let agent_value = required(map, "AgentData")?;
    let agent = as_map(&agent_value)?;
    value.base.flags = decode_value(agent, "Flags")?;
    value.layer_data_blocks = decode_struct_array(map, "LayerData")?;
    Ok(())
}

fn serialize_script_running(value: &ScriptRunningReplyMessage) -> Result<OSDMap, Error> {
    finish_map([(
        "Script",
        one_block_osd([
            ("ItemID", value.item_id.to_message_osd()?),
            ("Mono", value.mono.to_message_osd()?),
            ("ObjectID", value.object_id.to_message_osd()?),
            ("Running", value.running.to_message_osd()?),
        ]),
    )])
}

fn deserialize_script_running(
    value: &mut ScriptRunningReplyMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let script = owned_block(map, "Script")?;
    value.item_id = decode_value(&script, "ItemID")?;
    value.mono = decode_value(&script, "Mono")?;
    value.object_id = decode_value(&script, "ObjectID")?;
    value.running = decode_value(&script, "Running")?;
    Ok(())
}

fn serialize_teleport_failed(value: &TeleportFailedMessage) -> Result<OSDMap, Error> {
    finish_map([
        (
            "AlertInfo",
            one_block_osd([
                ("ExtraParams", value.extra_params.to_message_osd()?),
                ("Message", value.message_key.to_message_osd()?),
            ]),
        ),
        (
            "Info",
            one_block_osd([
                ("AgentID", value.agent_id.to_message_osd()?),
                ("Reason", value.reason.to_message_osd()?),
            ]),
        ),
    ])
}

fn deserialize_teleport_failed(
    value: &mut TeleportFailedMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let alert = owned_block(map, "AlertInfo")?;
    value.extra_params = decode_value(&alert, "ExtraParams")?;
    value.message_key = decode_value(&alert, "Message")?;
    let info = owned_block(map, "Info")?;
    value.agent_id = decode_value(&info, "AgentID")?;
    value.reason = decode_value(&info, "Reason")?;
    Ok(())
}

fn serialize_teleport_finish(value: &TeleportFinishMessage) -> Result<OSDMap, Error> {
    finish_map([(
        "Info",
        one_block_osd([
            ("AgentID", value.agent_id.to_message_osd()?),
            ("LocationID", value.location_id.to_message_osd()?),
            ("RegionHandle", value.region_handle.to_message_osd()?),
            ("SeedCapability", value.seed_capability.to_message_osd()?),
            ("SimAccess", value.sim_access.to_message_osd()?),
            ("SimIP", value.ip.to_message_osd()?),
            ("SimPort", value.port.to_message_osd()?),
            ("TeleportFlags", value.flags.to_message_osd()?),
            ("RegionSizeX", value.region_size_x.to_message_osd()?),
            ("RegionSizeY", value.region_size_y.to_message_osd()?),
        ]),
    )])
}

fn deserialize_teleport_finish(
    value: &mut TeleportFinishMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let info = owned_block(map, "Info")?;
    value.agent_id = decode_value(&info, "AgentID")?;
    value.location_id = decode_value(&info, "LocationID")?;
    value.region_handle = decode_value(&info, "RegionHandle")?;
    value.seed_capability = decode_value(&info, "SeedCapability")?;
    value.sim_access = decode_value(&info, "SimAccess")?;
    value.ip = decode_value(&info, "SimIP")?;
    value.port = decode_value(&info, "SimPort")?;
    value.flags = decode_value(&info, "TeleportFlags")?;
    value.region_size_x = info
        .get("RegionSizeX")
        .map(u32::from_message_osd)
        .transpose()?
        .unwrap_or(256);
    value.region_size_y = info
        .get("RegionSizeY")
        .map(u32::from_message_osd)
        .transpose()?
        .unwrap_or(256);
    Ok(())
}

fn serialize_agent_information(value: &UpdateAgentInformationMessage) -> Result<OSDMap, Error> {
    finish_map([(
        "access_prefs",
        map_osd([("max", value.max_access.to_message_osd()?)]),
    )])
}

fn deserialize_agent_information(
    value: &mut UpdateAgentInformationMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let prefs_value = required(map, "access_prefs")?;
    value.max_access = decode_value(as_map(&prefs_value)?, "max")?;
    Ok(())
}

fn serialize_parcel_voice(value: &ParcelVoiceInfoRequestMessage) -> Result<OSDMap, Error> {
    finish_map([
        ("parcel_local_id", value.parcel_id.to_message_osd()?),
        ("region_name", value.region_name.to_message_osd()?),
        (
            "voice_credentials",
            map_osd([("channel_uri", value.sip_channel_uri.to_message_osd()?)]),
        ),
    ])
}

fn deserialize_parcel_voice(
    value: &mut ParcelVoiceInfoRequestMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    value.parcel_id = decode_top(map, "parcel_local_id")?;
    value.region_name = decode_top(map, "region_name")?;
    let credentials_value = required(map, "voice_credentials")?;
    value.sip_channel_uri = decode_value(as_map(&credentials_value)?, "channel_uri")?;
    Ok(())
}

fn serialize_places(value: &PlacesReplyMessage) -> Result<OSDMap, Error> {
    finish_map([
        (
            "AgentData",
            one_block_osd([
                ("AgentID", value.agent_id.to_message_osd()?),
                ("QueryID", value.query_id.to_message_osd()?),
            ]),
        ),
        ("QueryData", encode_struct_array(&value.query_data_blocks)?),
        (
            "TransactionData",
            one_block_osd([("TransactionID", value.transaction_id.to_message_osd()?)]),
        ),
    ])
}

fn deserialize_places(value: &mut PlacesReplyMessage, map: &OSDMap) -> Result<(), Error> {
    let agent = owned_block(map, "AgentData")?;
    value.agent_id = decode_value(&agent, "AgentID")?;
    value.query_id = decode_value(&agent, "QueryID")?;
    value.query_data_blocks = decode_struct_array(map, "QueryData")?;
    let transaction = owned_block(map, "TransactionData")?;
    value.transaction_id = decode_value(&transaction, "TransactionID")?;
    Ok(())
}

fn serialize_land_stat_block(value: &LandStatReplyMessageReportDataBlock) -> Result<OSDMap, Error> {
    finish_map([
        ("LocationX", value.location.x.to_message_osd()?),
        ("LocationY", value.location.y.to_message_osd()?),
        ("LocationZ", value.location.z.to_message_osd()?),
        ("OwnerName", value.owner_name.to_message_osd()?),
        ("Score", value.score.to_message_osd()?),
        ("TaskID", value.task_id.to_message_osd()?),
        (
            "TaskLocalID",
            OSD::from_real_with_double(f64::from(value.task_local_id))?,
        ),
        ("TaskName", value.task_name.to_message_osd()?),
        ("MonoScore", value.mono_score.to_message_osd()?),
        ("TimeStamp", value.time_stamp.to_message_osd()?),
    ])
}

fn deserialize_land_stat_block(
    value: &mut LandStatReplyMessageReportDataBlock,
    map: &OSDMap,
) -> Result<(), Error> {
    value.location = Vector3 {
        x: decode_top(map, "LocationX")?,
        y: decode_top(map, "LocationY")?,
        z: decode_top(map, "LocationZ")?,
    };
    value.owner_name = decode_top(map, "OwnerName")?;
    value.score = decode_top(map, "Score")?;
    value.task_id = decode_top(map, "TaskID")?;
    value.task_local_id = decode_top(map, "TaskLocalID")?;
    value.task_name = decode_top(map, "TaskName")?;
    value.mono_score = decode_top(map, "MonoScore")?;
    value.time_stamp = decode_top(map, "TimeStamp")?;
    Ok(())
}

fn serialize_land_stat(value: &LandStatReplyMessage) -> Result<OSDMap, Error> {
    let mut reports = Vec::with_capacity(value.report_data_blocks.len());
    let mut extended = Vec::with_capacity(value.report_data_blocks.len());
    for block in &value.report_data_blocks {
        reports.push(map_osd([
            ("LocationX", block.location.x.to_message_osd()?),
            ("LocationY", block.location.y.to_message_osd()?),
            ("LocationZ", block.location.z.to_message_osd()?),
            ("OwnerName", block.owner_name.to_message_osd()?),
            ("Score", block.score.to_message_osd()?),
            ("TaskID", block.task_id.to_message_osd()?),
            (
                "TaskLocalID",
                OSD::from_real_with_double(f64::from(block.task_local_id))?,
            ),
            ("TaskName", block.task_name.to_message_osd()?),
        ]));
        extended.push(map_osd([
            ("MonoScore", block.mono_score.to_message_osd()?),
            ("TimeStamp", block.time_stamp.to_message_osd()?),
        ]));
    }
    finish_map([
        (
            "RequestData",
            one_block_osd([
                ("ReportType", value.report_type.to_message_osd()?),
                ("RequestFlags", value.request_flags.to_message_osd()?),
                (
                    "TotalObjectCount",
                    value.total_object_count.to_message_osd()?,
                ),
            ]),
        ),
        ("ReportData", OSD::Array(reports)),
        ("DataExtended", OSD::Array(extended)),
    ])
}

fn deserialize_land_stat(value: &mut LandStatReplyMessage, map: &OSDMap) -> Result<(), Error> {
    let request = owned_block(map, "RequestData")?;
    value.report_type = decode_value(&request, "ReportType")?;
    value.request_flags = decode_value(&request, "RequestFlags")?;
    value.total_object_count = decode_value(&request, "TotalObjectCount")?;
    if value.total_object_count == 0 {
        value.report_data_blocks.clear();
        return Ok(());
    }
    let report_value = required(map, "ReportData")?;
    let reports = as_array(&report_value)?;
    let extended_value = required(map, "DataExtended")?;
    let extended = as_array(&extended_value)?;
    if reports.len() != extended.len() {
        return Err(Error::Argument);
    }
    let mut blocks = Vec::with_capacity(reports.len());
    for (report, extra) in reports.iter().zip(extended) {
        let report = as_map(report)?;
        let extra = as_map(extra)?;
        blocks.push(LandStatReplyMessageReportDataBlock {
            location: Vector3 {
                x: decode_value(report, "LocationX")?,
                y: decode_value(report, "LocationY")?,
                z: decode_value(report, "LocationZ")?,
            },
            mono_score: decode_value(extra, "MonoScore")?,
            owner_name: decode_value(report, "OwnerName")?,
            score: decode_value(report, "Score")?,
            task_id: decode_value(report, "TaskID")?,
            task_local_id: decode_value(report, "TaskLocalID")?,
            task_name: decode_value(report, "TaskName")?,
            time_stamp: time_from_unix(required_from(extra, "TimeStamp")?.as_u_integer()?),
        });
    }
    value.report_data_blocks = blocks;
    Ok(())
}

fn serialize_parcel_owners(value: &ParcelObjectOwnersReplyMessage) -> Result<OSDMap, Error> {
    let mut data = Vec::with_capacity(value.prim_owners_block.len());
    let mut extended = Vec::with_capacity(value.prim_owners_block.len());
    for owner in &value.prim_owners_block {
        data.push(map_osd([
            ("OwnerID", owner.owner_id.to_message_osd()?),
            ("Count", owner.count.to_message_osd()?),
            ("IsGroupOwned", owner.is_group_owned.to_message_osd()?),
            ("OnlineStatus", owner.online_status.to_message_osd()?),
        ]));
        extended.push(map_osd([("TimeStamp", owner.time_stamp.to_message_osd()?)]));
    }
    let mut entries = vec![("Data", OSD::Array(data))];
    if !extended.is_empty() {
        entries.push(("DataExtended", OSD::Array(extended)));
    }
    finish_map(entries)
}

fn deserialize_parcel_owners(
    value: &mut ParcelObjectOwnersReplyMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let data_value = required(map, "Data")?;
    let data = as_array(&data_value)?;
    let extended_value = map.get("DataExtended");
    let extended = extended_value
        .as_ref()
        .map(as_array)
        .transpose()?
        .unwrap_or(&[]);
    let has_extended = extended.len() == data.len();
    let mut owners = Vec::with_capacity(data.len());
    for (index, item) in data.iter().enumerate() {
        let item = as_map(item)?;
        let time_stamp = if has_extended {
            let extra = as_map(&extended[index])?;
            time_from_unix(required_from(extra, "TimeStamp")?.as_u_integer()?)
        } else {
            UNIX_EPOCH
        };
        owners.push(ParcelObjectOwnersReplyMessagePrimOwner {
            count: decode_value(item, "Count")?,
            is_group_owned: decode_value(item, "IsGroupOwned")?,
            online_status: decode_value(item, "OnlineStatus")?,
            owner_id: decode_value(item, "OwnerID")?,
            time_stamp,
        });
    }
    value.prim_owners_block = owners;
    Ok(())
}

fn serialize_parcel_update(value: &ParcelPropertiesUpdateMessage) -> Result<OSDMap, Error> {
    let mut entries = osd_entries!(value;
        auth_buyer_id => "auth_buyer_id",
        media_auto_scale => "auto_scale",
        category => "category",
        desc => "description",
        group_id => "group_id",
        landing => "landing_type",
        local_id => "local_id",
        media_desc => "media_desc",
        media_height => "media_height",
        media_id => "media_id",
        media_loop => "media_loop",
        media_type => "media_type",
        media_url => "media_url",
        media_width => "media_width",
        music_url => "music_url",
        name => "name",
        obscure_media => "obscure_media",
        obscure_music => "obscure_music",
        parcel_flags => "parcel_flags",
        pass_hours => "pass_hours",
        privacy => "privacy",
        snapshot_id => "snapshot_id",
        user_location => "user_location",
        user_look_at => "user_look_at",
        see_a_vs => "see_avs",
        any_av_sounds => "any_av_sounds",
        group_av_sounds => "group_av_sounds",
    );
    entries.push(("flags", OSD::from_binary(Vec::new())?));
    entries.push(("pass_price", integer_from_u32(value.pass_price)?));
    entries.push(("sale_price", integer_from_u32(value.sale_price)?));
    finish_map(entries)
}

fn deserialize_parcel_update(
    value: &mut ParcelPropertiesUpdateMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let values = map.snapshot();
    decode_fields!(value, &values;
        auth_buyer_id => "auth_buyer_id",
        media_auto_scale => "auto_scale",
        category => "category",
        desc => "description",
        group_id => "group_id",
        landing => "landing_type",
        local_id => "local_id",
        media_desc => "media_desc",
        media_height => "media_height",
        media_id => "media_id",
        media_loop => "media_loop",
        media_type => "media_type",
        media_url => "media_url",
        media_width => "media_width",
        music_url => "music_url",
        name => "name",
        obscure_media => "obscure_media",
        obscure_music => "obscure_music",
        parcel_flags => "parcel_flags",
        pass_hours => "pass_hours",
        pass_price => "pass_price",
        privacy => "privacy",
        sale_price => "sale_price",
        snapshot_id => "snapshot_id",
        user_location => "user_location",
        user_look_at => "user_look_at",
    );
    if values.contains_key("see_avs") {
        decode_fields!(value, &values;
            see_a_vs => "see_avs",
            any_av_sounds => "any_av_sounds",
            group_av_sounds => "group_av_sounds",
        );
    } else {
        value.see_a_vs = true;
        value.any_av_sounds = true;
        value.group_av_sounds = true;
    }
    Ok(())
}

fn serialize_parcel_properties(value: &ParcelPropertiesMessage) -> Result<OSDMap, Error> {
    let mut parcel = osd_entries!(value;
        local_id => "LocalID",
        aabb_max => "AABBMax",
        aabb_min => "AABBMin",
        area => "Area",
        auth_buyer_id => "AuthBuyerID",
        category => "Category",
        claim_date => "ClaimDate",
        claim_price => "ClaimPrice",
        desc => "Desc",
        parcel_flags => "ParcelFlags",
        group_id => "GroupID",
        group_prims => "GroupPrims",
        is_group_owned => "IsGroupOwned",
        landing_type => "LandingType",
        max_prims => "MaxPrims",
        media_id => "MediaID",
        media_url => "MediaURL",
        media_auto_scale => "MediaAutoScale",
        music_url => "MusicURL",
        name => "Name",
        other_clean_time => "OtherCleanTime",
        other_count => "OtherCount",
        other_prims => "OtherPrims",
        owner_id => "OwnerID",
        owner_prims => "OwnerPrims",
        parcel_prim_bonus => "ParcelPrimBonus",
        pass_hours => "PassHours",
        pass_price => "PassPrice",
        public_count => "PublicCount",
        privacy => "Privacy",
        region_deny_anonymous => "RegionDenyAnonymous",
        region_deny_identified => "RegionDenyIdentified",
        region_deny_transacted => "RegionDenyTransacted",
        region_push_override => "RegionPushOverride",
        rent_price => "RentPrice",
        request_result => "RequestResult",
        sale_price => "SalePrice",
        selected_prims => "SelectedPrims",
        self_count => "SelfCount",
        sequence_id => "SequenceID",
        sim_wide_max_prims => "SimWideMaxPrims",
        sim_wide_total_prims => "SimWideTotalPrims",
        snap_selection => "SnapSelection",
        snapshot_id => "SnapshotID",
        status => "Status",
        total_prims => "TotalPrims",
        user_location => "UserLocation",
        user_look_at => "UserLookAt",
        see_a_vs => "SeeAVs",
        any_av_sounds => "AnyAVSounds",
        group_av_sounds => "GroupAVSounds",
    );
    parcel.push(("AuctionID", integer_from_u32(value.auction_id)?));
    parcel.push(("Bitmap", OSD::from_binary(value.bitmap.clone())?));

    let media = osd_entries!(value;
        media_desc => "MediaDesc",
        media_height => "MediaHeight",
        media_width => "MediaWidth",
        media_loop => "MediaLoop",
        media_type => "MediaType",
        obscure_media => "ObscureMedia",
        obscure_music => "ObscureMusic",
    );
    finish_map([
        ("ParcelData", OSD::Array(vec![map_osd(parcel)])),
        ("MediaData", OSD::Array(vec![map_osd(media)])),
        (
            "AgeVerificationBlock",
            one_block_osd([(
                "RegionDenyAgeUnverified",
                value.region_deny_age_unverified.to_message_osd()?,
            )]),
        ),
    ])
}

fn deserialize_parcel_properties(
    value: &mut ParcelPropertiesMessage,
    map: &OSDMap,
) -> Result<(), Error> {
    let parcel = owned_block(map, "ParcelData")?;
    decode_fields!(value, &parcel;
        local_id => "LocalID",
        aabb_max => "AABBMax",
        aabb_min => "AABBMin",
        area => "Area",
        auction_id => "AuctionID",
        auth_buyer_id => "AuthBuyerID",
        category => "Category",
        claim_date => "ClaimDate",
        claim_price => "ClaimPrice",
        desc => "Desc",
        parcel_flags => "ParcelFlags",
        group_id => "GroupID",
        group_prims => "GroupPrims",
        is_group_owned => "IsGroupOwned",
        landing_type => "LandingType",
        max_prims => "MaxPrims",
        media_id => "MediaID",
        media_url => "MediaURL",
        media_auto_scale => "MediaAutoScale",
        music_url => "MusicURL",
        name => "Name",
        other_clean_time => "OtherCleanTime",
        other_count => "OtherCount",
        other_prims => "OtherPrims",
        owner_id => "OwnerID",
        owner_prims => "OwnerPrims",
        parcel_prim_bonus => "ParcelPrimBonus",
        pass_hours => "PassHours",
        pass_price => "PassPrice",
        public_count => "PublicCount",
        privacy => "Privacy",
        region_deny_anonymous => "RegionDenyAnonymous",
        region_deny_identified => "RegionDenyIdentified",
        region_deny_transacted => "RegionDenyTransacted",
        region_push_override => "RegionPushOverride",
        rent_price => "RentPrice",
        request_result => "RequestResult",
        sale_price => "SalePrice",
        selected_prims => "SelectedPrims",
        self_count => "SelfCount",
        sequence_id => "SequenceID",
        sim_wide_max_prims => "SimWideMaxPrims",
        sim_wide_total_prims => "SimWideTotalPrims",
        snap_selection => "SnapSelection",
        snapshot_id => "SnapshotID",
        status => "Status",
        total_prims => "TotalPrims",
        user_location => "UserLocation",
        user_look_at => "UserLookAt",
        see_a_vs => "SeeAVs",
        any_av_sounds => "AnyAVSounds",
        group_av_sounds => "GroupAVSounds",
    );
    value.bitmap = required_from(&parcel, "Bitmap")?.as_binary()?;
    if map.get("MediaData").is_some() {
        let media = owned_block(map, "MediaData")?;
        decode_fields!(value, &media;
            media_desc => "MediaDesc",
            media_height => "MediaHeight",
            media_width => "MediaWidth",
            media_loop => "MediaLoop",
            media_type => "MediaType",
            obscure_media => "ObscureMedia",
            obscure_music => "ObscureMusic",
        );
    }
    let age = owned_block(map, "AgeVerificationBlock")?;
    value.region_deny_age_unverified = decode_value(&age, "RegionDenyAgeUnverified")?;
    Ok(())
}

fn serialize_viewer_stats(value: &ViewerStatsMessage) -> Result<OSDMap, Error> {
    let agent = map_osd([
        ("agents_in_view", value.agents_in_view.to_message_osd()?),
        ("fps", value.agent_fps.to_message_osd()?),
        ("language", value.agent_language.to_message_osd()?),
        ("mem_use", value.agent_memory_used.to_message_osd()?),
        ("meters_traveled", value.meters_traveled.to_message_osd()?),
        ("ping", value.agent_ping.to_message_osd()?),
        ("regions_visited", value.regions_visited.to_message_osd()?),
        ("run_time", value.agent_runtime.to_message_osd()?),
        ("sim_fps", value.simulator_fps.to_message_osd()?),
        (
            "start_time",
            OSD::from_u_integer(unix_seconds(value.agent_start_time))?,
        ),
        ("version", value.agent_version.to_message_osd()?),
    ]);
    let downloads = map_osd([
        ("object_kbytes", value.object_kbytes.to_message_osd()?),
        ("texture_kbytes", value.texture_kbytes.to_message_osd()?),
        ("world_kbytes", value.world_kbytes.to_message_osd()?),
    ]);
    let misc = map_osd([
        ("Version", value.misc_version.to_message_osd()?),
        (
            "Vertex Buffers Enabled",
            value.vertex_buffers_enabled.to_message_osd()?,
        ),
    ]);
    let failures = map_osd([
        ("dropped", value.stats_dropped.to_message_osd()?),
        (
            "failed_resends",
            value.stats_failed_resends.to_message_osd()?,
        ),
        ("invalid", value.failures_invalid.to_message_osd()?),
        ("off_circuit", value.failures_off_circuit.to_message_osd()?),
        ("resent", value.failures_resent.to_message_osd()?),
        ("send_packet", value.failures_send_packet.to_message_osd()?),
    ]);
    let stats_misc = map_osd([
        ("int_1", value.misc_int1.to_message_osd()?),
        ("int_2", value.misc_int2.to_message_osd()?),
        ("string_1", value.misc_string1.to_message_osd()?),
    ]);
    let net_in = map_osd([
        (
            "compressed_packets",
            value.in_compressed_packets.to_message_osd()?,
        ),
        ("kbytes", value.in_kbytes.to_message_osd()?),
        ("packets", value.in_packets.to_message_osd()?),
        ("savings", value.in_savings.to_message_osd()?),
    ]);
    let net_out = map_osd([
        (
            "compressed_packets",
            value.out_compressed_packets.to_message_osd()?,
        ),
        ("kbytes", value.out_kbytes.to_message_osd()?),
        ("packets", value.out_packets.to_message_osd()?),
        ("savings", value.out_savings.to_message_osd()?),
    ]);
    let stats = map_osd([
        ("failures", failures),
        ("misc", stats_misc),
        ("net", map_osd([("in", net_in), ("out", net_out)])),
    ]);
    let system = map_osd([
        ("cpu", value.system_cpu.to_message_osd()?),
        ("gpu", value.system_gpu.to_message_osd()?),
        ("gpu_class", value.system_gpu_class.to_message_osd()?),
        ("gpu_vendor", value.system_gpu_vendor.to_message_osd()?),
        ("gpu_version", value.system_gpu_version.to_message_osd()?),
        ("os", value.system_os.to_message_osd()?),
        ("ram", value.system_installed_ram.to_message_osd()?),
    ]);
    finish_map([
        ("session_id", value.session_id.to_message_osd()?),
        ("agent", agent),
        ("downloads", downloads),
        ("misc", misc),
        ("system", system),
        ("stats", stats),
    ])
}

fn deserialize_viewer_stats(value: &mut ViewerStatsMessage, map: &OSDMap) -> Result<(), Error> {
    value.session_id = decode_top(map, "session_id")?;
    let agent_value = required(map, "agent")?;
    let agent = as_map(&agent_value)?;
    decode_fields!(value, agent;
        agents_in_view => "agents_in_view",
        agent_fps => "fps",
        agent_language => "language",
        agent_memory_used => "mem_use",
        agent_ping => "ping",
        regions_visited => "regions_visited",
        agent_runtime => "run_time",
        simulator_fps => "sim_fps",
        agent_version => "version",
    );
    value.meters_traveled = integer_as_f32(required_from(agent, "meters_traveled")?)?;
    value.agent_start_time = time_from_unix(required_from(agent, "start_time")?.as_u_integer()?);

    let downloads_value = required(map, "downloads")?;
    decode_fields!(value, as_map(&downloads_value)?;
        object_kbytes => "object_kbytes",
        texture_kbytes => "texture_kbytes",
        world_kbytes => "world_kbytes",
    );
    let misc_value = required(map, "misc")?;
    decode_fields!(value, as_map(&misc_value)?;
        misc_version => "Version",
        vertex_buffers_enabled => "Vertex Buffers Enabled",
    );
    let stats_value = required(map, "stats")?;
    let stats = as_map(&stats_value)?;
    let failures = as_map(required_from(stats, "failures")?)?;
    decode_fields!(value, failures;
        stats_dropped => "dropped",
        stats_failed_resends => "failed_resends",
        failures_invalid => "invalid",
        failures_off_circuit => "off_circuit",
        failures_resent => "resent",
        failures_send_packet => "send_packet",
    );
    let stats_misc = as_map(required_from(stats, "misc")?)?;
    decode_fields!(value, stats_misc;
        misc_int1 => "int_1",
        misc_int2 => "int_2",
        misc_string1 => "string_1",
    );
    let net = as_map(required_from(stats, "net")?)?;
    let net_in = as_map(required_from(net, "in")?)?;
    value.in_compressed_packets = decode_value(net_in, "compressed_packets")?;
    value.in_kbytes = integer_as_f32(required_from(net_in, "kbytes")?)?;
    value.in_packets = integer_as_f32(required_from(net_in, "packets")?)?;
    value.in_savings = integer_as_f32(required_from(net_in, "savings")?)?;
    let net_out = as_map(required_from(net, "out")?)?;
    value.out_compressed_packets = decode_value(net_out, "compressed_packets")?;
    value.out_kbytes = integer_as_f32(required_from(net_out, "kbytes")?)?;
    value.out_packets = integer_as_f32(required_from(net_out, "packets")?)?;
    value.out_savings = integer_as_f32(required_from(net_out, "savings")?)?;

    let system_value = required(map, "system")?;
    decode_fields!(value, as_map(&system_value)?;
        system_cpu => "cpu",
        system_gpu => "gpu",
        system_gpu_class => "gpu_class",
        system_gpu_vendor => "gpu_vendor",
        system_gpu_version => "gpu_version",
        system_os => "os",
        system_installed_ram => "ram",
    );
    Ok(())
}

fn material_from_i32(value: i32) -> Result<Material, Error> {
    match value {
        0 => Ok(Material::Stone),
        1 => Ok(Material::Metal),
        2 => Ok(Material::Glass),
        3 => Ok(Material::Wood),
        4 => Ok(Material::Flesh),
        5 => Ok(Material::Plastic),
        6 => Ok(Material::Rubber),
        7 => Ok(Material::Light),
        _ => Err(Error::Argument),
    }
}

fn sculpt_type_from_i32(value: i32) -> Result<SculptType, Error> {
    match value {
        0 => Ok(SculptType::None),
        1 => Ok(SculptType::Sphere),
        2 => Ok(SculptType::Torus),
        3 => Ok(SculptType::Plane),
        4 => Ok(SculptType::Cylinder),
        5 => Ok(SculptType::Mesh),
        64 => Ok(SculptType::Invert),
        128 => Ok(SculptType::Mirror),
        _ => Err(Error::Argument),
    }
}

fn bumpiness_from_i32(value: i32) -> Result<crate::Bumpiness, Error> {
    use crate::Bumpiness;
    match value {
        0 => Ok(Bumpiness::None),
        1 => Ok(Bumpiness::Brightness),
        2 => Ok(Bumpiness::Darkness),
        3 => Ok(Bumpiness::Woodgrain),
        4 => Ok(Bumpiness::Bark),
        5 => Ok(Bumpiness::Bricks),
        6 => Ok(Bumpiness::Checker),
        7 => Ok(Bumpiness::Concrete),
        8 => Ok(Bumpiness::Crustytile),
        9 => Ok(Bumpiness::Cutstone),
        10 => Ok(Bumpiness::Discs),
        11 => Ok(Bumpiness::Gravel),
        12 => Ok(Bumpiness::Petridish),
        13 => Ok(Bumpiness::Siding),
        14 => Ok(Bumpiness::Stonetile),
        15 => Ok(Bumpiness::Stucco),
        16 => Ok(Bumpiness::Suction),
        17 => Ok(Bumpiness::Weave),
        _ => Err(Error::Argument),
    }
}

impl GeneratedMessage for UploadObjectAssetMessageObjectFace {
    fn new_generated() -> Self {
        Self {
            bump: crate::Bumpiness::None,
            color: Color4::default(),
            fullbright: false,
            glow: 0.0,
            image_id: UUID::zero(),
            image_rot: 0.0,
            media_flags: 0,
            offset_s: 0.0,
            offset_t: 0.0,
            scale_s: 0.0,
            scale_t: 0.0,
        }
    }

    fn serialize_generated(&self) -> Result<OSDMap, Error> {
        finish_map([
            ("bump", OSD::Integer(self.bump as i32)),
            ("colors", OSD::from_color4(self.color)?),
            ("fullbright", OSD::Boolean(self.fullbright)),
            ("glow", OSD::Real(f64::from(self.glow))),
            ("imageid", OSD::UUID(self.image_id)),
            ("imagerot", OSD::Real(f64::from(self.image_rot))),
            ("media_flags", OSD::Integer(self.media_flags)),
            ("offsets", OSD::Real(f64::from(self.offset_s))),
            ("offsett", OSD::Real(f64::from(self.offset_t))),
            ("scales", OSD::Real(f64::from(self.scale_s))),
            ("scalet", OSD::Real(f64::from(self.scale_t))),
        ])
    }

    fn deserialize_generated(&mut self, map: &OSDMap) -> Result<(), Error> {
        self.bump = bumpiness_from_i32(required(map, "bump")?.as_integer()?)?;
        self.color = required(map, "colors")?.as_color4()?;
        self.fullbright = required(map, "fullbright")?.as_boolean()?;
        self.glow = required(map, "glow")?.as_real()? as f32;
        self.image_id = required(map, "imageid")?.as_uuid()?;
        self.image_rot = required(map, "imagerot")?.as_real()? as f32;
        self.media_flags = required(map, "media_flags")?.as_integer()?;
        self.offset_s = required(map, "offsets")?.as_real()? as f32;
        self.offset_t = required(map, "offsett")?.as_real()? as f32;
        self.scale_s = required(map, "scales")?.as_real()? as f32;
        self.scale_t = required(map, "scalet")?.as_real()? as f32;
        Ok(())
    }
}

impl GeneratedMessage for UploadObjectAssetMessageObjectExtraParam {
    fn new_generated() -> Self {
        Self {
            extra_param_data: Vec::new(),
            type_: ExtraParamType(0),
        }
    }

    fn serialize_generated(&self) -> Result<OSDMap, Error> {
        finish_map([
            ("extra_parameter", OSD::Integer(i32::from(self.type_.0))),
            ("param_data", OSD::Binary(self.extra_param_data.clone())),
        ])
    }

    fn deserialize_generated(&mut self, map: &OSDMap) -> Result<(), Error> {
        self.type_ = ExtraParamType(
            u16::try_from(required(map, "extra_parameter")?.as_integer()?)
                .map_err(|_| Error::Argument)?,
        );
        self.extra_param_data = required(map, "param_data")?.as_binary()?;
        Ok(())
    }
}

fn upload_object_default() -> UploadObjectAssetMessageObject {
    UploadObjectAssetMessageObject {
        extra_params: Vec::new(),
        faces: Vec::new(),
        group_id: UUID::zero(),
        material: Material::Stone,
        name: String::new(),
        path_begin: 0.0,
        path_curve: 0,
        path_end: 0.0,
        position: Vector3::zero(),
        profile_begin: 0.0,
        profile_curve: 0,
        profile_end: 0.0,
        profile_hollow: 0.0,
        radius_offset: 0.0,
        revolutions: 0.0,
        rotation: Quaternion::identity(),
        scale: Vector3::zero(),
        scale_x: 0.0,
        scale_y: 0.0,
        sculpt_id: UUID::zero(),
        sculpt_type: SculptType::None,
        shear_x: 0.0,
        shear_y: 0.0,
        skew: 0.0,
        taper_x: 0.0,
        taper_y: 0.0,
        twist: 0.0,
        twist_begin: 0.0,
    }
}

impl GeneratedMessage for UploadObjectAssetMessageObject {
    fn new_generated() -> Self {
        upload_object_default()
    }

    fn serialize_generated(&self) -> Result<OSDMap, Error> {
        let encode = |values: &[&dyn GeneratedMessageObject]| -> Result<OSD, Error> {
            Ok(OSD::Array(
                values
                    .iter()
                    .map(|value| value.encode())
                    .collect::<Result<_, _>>()?,
            ))
        };
        let extras: Vec<&dyn GeneratedMessageObject> =
            self.extra_params.iter().map(|v| v as _).collect();
        let faces: Vec<&dyn GeneratedMessageObject> = self.faces.iter().map(|v| v as _).collect();
        let shape = map_osd([
            (
                "path",
                map_osd([
                    ("begin", OSD::Real(f64::from(self.path_begin))),
                    ("curve", OSD::Integer(self.path_curve)),
                    ("end", OSD::Real(f64::from(self.path_end))),
                    ("radius_offset", OSD::Real(f64::from(self.radius_offset))),
                    ("revolutions", OSD::Real(f64::from(self.revolutions))),
                    ("scale_x", OSD::Real(f64::from(self.scale_x))),
                    ("scale_y", OSD::Real(f64::from(self.scale_y))),
                    ("shear_x", OSD::Real(f64::from(self.shear_x))),
                    ("shear_y", OSD::Real(f64::from(self.shear_y))),
                    ("skew", OSD::Real(f64::from(self.skew))),
                    ("taper_x", OSD::Real(f64::from(self.taper_x))),
                    ("taper_y", OSD::Real(f64::from(self.taper_y))),
                    ("twist", OSD::Real(f64::from(self.twist))),
                    ("twist_begin", OSD::Real(f64::from(self.twist_begin))),
                ]),
            ),
            (
                "profile",
                map_osd([
                    ("begin", OSD::Real(f64::from(self.profile_begin))),
                    ("curve", OSD::Integer(self.profile_curve)),
                    ("end", OSD::Real(f64::from(self.profile_end))),
                    ("hollow", OSD::Real(f64::from(self.profile_hollow))),
                ]),
            ),
            (
                "sculpt",
                map_osd([
                    ("id", OSD::UUID(self.sculpt_id)),
                    ("type", OSD::Integer(self.sculpt_type as i32)),
                ]),
            ),
        ]);
        finish_map([
            ("group-id", OSD::UUID(self.group_id)),
            ("material", OSD::Integer(self.material as i32)),
            ("name", OSD::String(self.name.clone())),
            ("pos", OSD::from_vector3(self.position)?),
            ("rotation", OSD::from_quaternion(self.rotation)?),
            ("scale", OSD::from_vector3(self.scale)?),
            ("extra_parameters", encode(&extras)?),
            ("facelist", encode(&faces)?),
            ("shape", shape),
        ])
    }

    #[allow(clippy::cast_possible_truncation)]
    fn deserialize_generated(&mut self, map: &OSDMap) -> Result<(), Error> {
        self.group_id = required(map, "group-id")?.as_uuid()?;
        self.material = material_from_i32(required(map, "material")?.as_integer()?)?;
        self.name = required(map, "name")?.as_string()?;
        self.position = required(map, "pos")?.as_vector3()?;
        self.rotation = required(map, "rotation")?.as_quaternion()?;
        self.scale = required(map, "scale")?.as_vector3()?;
        self.extra_params = decode_array(&required(map, "extra_parameters")?)?;
        self.faces = decode_array(&required(map, "facelist")?)?;
        let shape_value = required(map, "shape")?;
        let shape = as_map(&shape_value)?;
        let path = as_map(required_from(shape, "path")?)?;
        macro_rules! real {
            ($field:ident, $key:literal) => {
                self.$field = required_from(path, $key)?.as_real()? as f32;
            };
        }
        real!(path_begin, "begin");
        self.path_curve = required_from(path, "curve")?.as_integer()?;
        real!(path_end, "end");
        real!(radius_offset, "radius_offset");
        real!(revolutions, "revolutions");
        real!(scale_x, "scale_x");
        real!(scale_y, "scale_y");
        real!(shear_x, "shear_x");
        real!(shear_y, "shear_y");
        real!(skew, "skew");
        real!(taper_x, "taper_x");
        real!(taper_y, "taper_y");
        real!(twist, "twist");
        real!(twist_begin, "twist_begin");
        let profile = as_map(required_from(shape, "profile")?)?;
        self.profile_begin = required_from(profile, "begin")?.as_real()? as f32;
        self.profile_curve = required_from(profile, "curve")?.as_integer()?;
        self.profile_end = required_from(profile, "end")?.as_real()? as f32;
        self.profile_hollow = required_from(profile, "hollow")?.as_real()? as f32;
        let sculpt = as_map(required_from(shape, "sculpt")?)?;
        self.sculpt_id = required_from(sculpt, "id")?.as_uuid()?;
        self.sculpt_type = sculpt_type_from_i32(required_from(sculpt, "type")?.as_integer()?)?;
        Ok(())
    }
}

trait GeneratedMessageObject {
    fn encode(&self) -> Result<OSD, Error>;
}
impl GeneratedMessageObject for UploadObjectAssetMessageObjectFace {
    fn encode(&self) -> Result<OSD, Error> {
        self.serialize_generated()?.copy()
    }
}
impl GeneratedMessageObject for UploadObjectAssetMessageObjectExtraParam {
    fn encode(&self) -> Result<OSD, Error> {
        self.serialize_generated()?.copy()
    }
}

impl GeneratedMessage for UploadObjectAssetMessage {
    fn new_generated() -> Self {
        Self {
            objects: Vec::new(),
        }
    }
    fn serialize_generated(&self) -> Result<OSDMap, Error> {
        finish_map([("objects", encode_struct_array(&self.objects)?)])
    }
    fn deserialize_generated(&mut self, map: &OSDMap) -> Result<(), Error> {
        self.objects = decode_array(&required(map, "objects")?)?;
        Ok(())
    }
}

macro_rules! upload_message_value {
    ($($type:ty),+ $(,)?) => {
        $(impl MessageValue for $type {
            fn message_default() -> Self { <Self as GeneratedMessage>::new_generated() }
            fn to_message_osd(&self) -> Result<OSD, Error> { self.serialize_generated()?.copy() }
            fn from_message_osd(value: &OSD) -> Result<Self, Error> {
                let OSD::Map(values) = value else { return Err(Error::Argument); };
                let map = OSDMap::new_with_dictionary(values.clone())?;
                let mut output = <Self as GeneratedMessage>::new_generated();
                output.deserialize_generated(&map)?;
                Ok(output)
            }
        })+
    };
}

upload_message_value!(
    UploadObjectAssetMessage,
    UploadObjectAssetMessageObject,
    UploadObjectAssetMessageObjectExtraParam,
    UploadObjectAssetMessageObjectFace,
);

#[cfg(test)]
mod tests {
    use super::*;

    fn keys(value: &OSD) -> Vec<String> {
        let mut keys: Vec<_> = as_map(value).unwrap().keys().cloned().collect();
        keys.sort();
        keys
    }

    #[test]
    fn postcard_uses_capability_wire_names() {
        let value = SendPostcardMessage::new_generated();
        let serialized = value.serialize_generated().unwrap().copy().unwrap();
        assert_eq!(
            keys(&serialized),
            ["msg", "name", "pos-global", "subject", "to"]
        );
    }

    #[test]
    fn teleport_finish_uses_info_block_and_binary_ip() {
        let mut value = TeleportFinishMessage::new_generated();
        value.ip = "192.0.2.9".parse().unwrap();
        let serialized = value.serialize_generated().unwrap().copy().unwrap();
        let outer = as_map(&serialized).unwrap();
        assert_eq!(outer.len(), 1);
        let info = as_map(&as_array(outer.get("Info").unwrap()).unwrap()[0]).unwrap();
        assert_eq!(info.get("SimIP"), Some(&OSD::Binary(vec![192, 0, 2, 9])));
        assert!(info.contains_key("TeleportFlags"));
        assert!(!info.contains_key("flags"));
    }

    #[test]
    fn chat_mute_flattens_base_and_nests_dynamic_mute_key() {
        let mut value = ChatSessionRequestMuteUpdate::new_generated();
        value.request_key = "voice".into();
        value.request_value = true;
        let serialized = value.serialize_generated().unwrap().copy().unwrap();
        let outer = as_map(&serialized).unwrap();
        assert_eq!(keys(&serialized), ["method", "params", "session-id"]);
        let params = as_map(outer.get("params").unwrap()).unwrap();
        let mute = as_map(params.get("mute_info").unwrap()).unwrap();
        assert_eq!(mute.get("voice"), Some(&OSD::Boolean(true)));
    }

    #[test]
    fn viewer_stats_preserves_nested_golden_layout() {
        let value = ViewerStatsMessage::new_generated();
        let serialized = value.serialize_generated().unwrap().copy().unwrap();
        let outer = as_map(&serialized).unwrap();
        assert_eq!(
            keys(&serialized),
            [
                "agent",
                "downloads",
                "misc",
                "session_id",
                "stats",
                "system"
            ]
        );
        let stats = as_map(outer.get("stats").unwrap()).unwrap();
        assert_eq!(
            keys(outer.get("stats").unwrap()),
            ["failures", "misc", "net"]
        );
        assert_eq!(keys(stats.get("net").unwrap()), ["in", "out"]);
    }

    #[test]
    fn enable_simulator_defaults_legacy_region_size_when_absent() {
        let map = finish_map([(
            "SimulatorInfo",
            OSD::Array(vec![map_osd([
                ("Handle", OSD::from_u_long(7).unwrap()),
                ("IP", OSD::from_binary(vec![127, 0, 0, 1]).unwrap()),
                ("Port", OSD::from_integer_with_int32(9000).unwrap()),
            ])]),
        )])
        .unwrap();
        let mut value = EnableSimulatorMessage::new_generated();
        value.deserialize_generated(&map).unwrap();
        assert_eq!(value.simulators[0].region_size_x, 256);
        assert_eq!(value.simulators[0].region_size_y, 256);
    }
}