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MetaCrate/crates/libremetaverse/src/object_material.rs
Chili Palmer 13f85bfa34
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Implement object manager vertical slice (#69)
2026-08-10 14:32:46 +00:00

564 lines
18 KiB
Rust

//! `ModifyMaterialParams` capability integration.
#![allow(
clippy::missing_errors_doc,
clippy::must_use_candidate,
clippy::option_option
)]
use crate::assets::AssetMaterial;
use crate::{Error, GridClient, MediaEntry, Simulator};
use flate2::Compression;
use flate2::read::ZlibDecoder;
use flate2::write::ZlibEncoder;
use libremetaverse_structured_data::{OSD, OSDParser};
use libremetaverse_types::{UUID, compat::CancellationToken};
use std::collections::HashMap;
use std::io::{Read, Write};
use std::sync::Arc;
use std::time::{Duration, Instant};
#[derive(Clone, Debug)]
pub struct ObjectMediaEventArgs {
face_media: Vec<MediaEntry>,
success: bool,
version: String,
}
impl ObjectMediaEventArgs {
pub fn new(success: bool, version: String, face_media: Vec<MediaEntry>) -> Result<Self, Error> {
if face_media.len() > 45 || version.len() > 16 * 1024 {
return Err(Error::Argument);
}
Ok(Self {
face_media,
success,
version,
})
}
pub fn face_media(&self) -> Vec<MediaEntry> {
self.face_media.clone()
}
pub fn set_face_media(&mut self, value: Vec<MediaEntry>) {
self.face_media = value;
}
pub const fn success(&self) -> bool {
self.success
}
pub fn set_success(&mut self, value: bool) {
self.success = value;
}
pub fn version(&self) -> String {
self.version.clone()
}
pub fn set_version(&mut self, value: String) {
self.version = value;
}
}
#[derive(Clone, Debug)]
pub struct GLTFMaterialUpdate {
asset_id: Option<Option<UUID>>,
object_id: UUID,
override_: Option<AssetMaterial>,
side: i32,
}
impl GLTFMaterialUpdate {
pub fn new() -> Result<Self, Error> {
Ok(Self {
asset_id: None,
object_id: UUID::zero(),
override_: None,
side: 0,
})
}
pub fn asset_id(&self) -> Option<Option<UUID>> {
self.asset_id
}
pub fn set_asset_id(&mut self, value: Option<Option<UUID>>) {
self.asset_id = value;
}
pub const fn object_id(&self) -> UUID {
self.object_id
}
pub fn set_object_id(&mut self, value: UUID) {
self.object_id = value;
}
pub fn override_(&self) -> Option<AssetMaterial> {
self.override_.clone()
}
pub fn set_override_(&mut self, value: Option<AssetMaterial>) {
self.override_ = value;
}
pub const fn side(&self) -> i32 {
self.side
}
pub fn set_side(&mut self, value: i32) {
self.side = value;
}
}
pub struct ObjectManager {
pub(crate) inner: Arc<crate::object_manager::ObjectManagerInner>,
}
impl ObjectManager {
pub(crate) fn native_new(client: Option<Arc<GridClient>>) -> Result<Self, Error> {
crate::object_manager::ObjectManagerInner::new(client)
}
fn client(&self) -> Result<GridClient, Error> {
self.inner.client()
}
fn capability(
sim: &Simulator,
name: &str,
) -> Result<Option<libremetaverse_types::compat::Uri>, Error> {
sim.native_caps()
.map(|caps| caps.capability_uri(name.to_owned()))
.transpose()
.map(Option::flatten)
}
async fn post_llsd(
&self,
uri: libremetaverse_types::compat::Uri,
body: OSD,
cancellation_token: Option<CancellationToken>,
) -> Result<(bool, Vec<u8>), Error> {
let payload = OSDParser::serialize_llsd_xml_bytes(body)?;
let (response, bytes) = self
.client()?
.native_http_caps_client()
.post_with_uri_string_bytes_cancellation_token_i_progress(
uri,
"application/llsd+xml".into(),
payload,
cancellation_token.unwrap_or_default(),
None,
)
.await?;
Ok(((200..300).contains(&response.status_code), bytes))
}
pub(crate) async fn native_navigate_object_media(
&self,
prim_id: UUID,
face: i32,
new_url: String,
sim: Simulator,
cancellation_token: Option<CancellationToken>,
) -> Result<(), Error> {
if !(0..45).contains(&face) || new_url.len() > 16 * 1024 {
return Err(Error::Argument);
}
let Some(uri) = Self::capability(&sim, "ObjectMediaNavigate")? else {
return Err(Error::InvalidOperation);
};
let (success, _) = self
.post_llsd(
uri,
OSD::Map(HashMap::from([
("current_url".into(), OSD::String(new_url)),
("object_id".into(), OSD::UUID(prim_id)),
("texture_index".into(), OSD::Integer(face)),
])),
cancellation_token,
)
.await?;
if success {
Ok(())
} else {
Err(Error::HttpRequest)
}
}
pub(crate) async fn native_update_object_media(
&self,
prim_id: UUID,
face_media: Vec<MediaEntry>,
sim: Simulator,
cancellation_token: Option<CancellationToken>,
) -> Result<(), Error> {
if face_media.len() > 45 {
return Err(Error::Argument);
}
let Some(uri) = Self::capability(&sim, "ObjectMedia")? else {
return Err(Error::InvalidOperation);
};
let media = face_media
.iter()
.map(|entry| {
if entry.is_undefined() {
Ok(OSD::Undefined)
} else {
Ok(OSD::Map(entry.get_osd()?.snapshot()))
}
})
.collect::<Result<Vec<_>, Error>>()?;
let (success, _) = self
.post_llsd(
uri,
OSD::Map(HashMap::from([
("object_id".into(), OSD::UUID(prim_id)),
("object_media_data".into(), OSD::Array(media)),
("verb".into(), OSD::String("UPDATE".into())),
])),
cancellation_token,
)
.await?;
if !success {
return Err(Error::HttpRequest);
}
if let Some(local_id) = sim
.global_to_local_id
.read()
.unwrap_or_else(std::sync::PoisonError::into_inner)
.get(&prim_id)
.copied()
{
let mut objects = sim
.objects_primitives
.write()
.unwrap_or_else(std::sync::PoisonError::into_inner);
if let Some(prim) = objects.get_mut(&local_id) {
prim.face_media = face_media;
}
}
Ok(())
}
pub(crate) async fn native_request_object_media(
&self,
prim_id: UUID,
sim: Simulator,
cancellation_token: Option<CancellationToken>,
) -> Result<(bool, String, Option<Vec<MediaEntry>>), Error> {
let Some(uri) = Self::capability(&sim, "ObjectMedia")? else {
return Ok((false, String::new(), None));
};
let (success, bytes) = self
.post_llsd(
uri,
OSD::Map(HashMap::from([
("object_id".into(), OSD::UUID(prim_id)),
("verb".into(), OSD::String("GET".into())),
])),
cancellation_token,
)
.await?;
if !success || bytes.is_empty() || bytes.len() > 16 * 1024 * 1024 {
return Ok((false, String::new(), None));
}
let OSD::Map(map) = OSDParser::deserialize_with_bytes(bytes)? else {
return Ok((false, String::new(), None));
};
let version = map
.get("object_media_version")
.map(OSD::as_string)
.transpose()?
.unwrap_or_default();
let media = match map.get("object_media_data") {
Some(OSD::Array(values)) if values.len() <= 45 => Some(
values
.iter()
.cloned()
.map(MediaEntry::from_osd)
.collect::<Result<Vec<_>, Error>>()?,
),
Some(_) => return Err(Error::Argument),
None => None,
};
if let Some(local_id) = sim
.global_to_local_id
.read()
.unwrap_or_else(std::sync::PoisonError::into_inner)
.get(&prim_id)
.copied()
{
let mut objects = sim
.objects_primitives
.write()
.unwrap_or_else(std::sync::PoisonError::into_inner);
if let Some(prim) = objects.get_mut(&local_id) {
prim.media_version.clone_from(&version);
prim.face_media = media.clone().unwrap_or_default();
}
}
Ok((true, version, media))
}
fn decode_legacy_materials(
bytes: Vec<u8>,
) -> Result<Vec<crate::materials::LegacyMaterial>, Error> {
if bytes.is_empty() || bytes.len() > 16 * 1024 * 1024 {
return Ok(Vec::new());
}
let OSD::Map(map) = OSDParser::deserialize_with_bytes(bytes)? else {
return Err(Error::Argument);
};
let compressed = map.get("Zipped").ok_or(Error::Argument)?.as_binary()?;
let mut binary = Vec::new();
ZlibDecoder::new(compressed.as_slice())
.take(16 * 1024 * 1024 + 1)
.read_to_end(&mut binary)
.map_err(|_| Error::Argument)?;
if binary.len() > 16 * 1024 * 1024 {
return Err(Error::Argument);
}
let decoded = OSDParser::deserialize_llsd_binary_with_bytes(binary)?;
let values = match decoded {
OSD::Array(values) => values,
OSD::Map(values) => values
.get("material_data")
.and_then(|value| match value {
OSD::Array(values) => Some(values.clone()),
_ => None,
})
.unwrap_or_default(),
_ => return Err(Error::Argument),
};
if values.len() > 65_535 {
return Err(Error::Argument);
}
values
.into_iter()
.map(|entry| match entry {
OSD::Map(map) => crate::materials::LegacyMaterial::new_with_osd_map(
libremetaverse_structured_data::OSDMap::new_with_dictionary(map)?,
),
_ => Err(Error::Argument),
})
.collect()
}
pub(crate) async fn native_request_materials(
&self,
sim: Simulator,
materials: Option<Vec<UUID>>,
cancellation_token: Option<CancellationToken>,
) -> Result<Box<dyn Iterator<Item = crate::materials::LegacyMaterial>>, Error> {
let Some(uri) = Self::capability(&sim, "RenderMaterials")? else {
return Ok(Box::new(std::iter::empty()));
};
let token = cancellation_token.unwrap_or_default();
let (response, bytes) = if let Some(materials) = materials {
if materials.is_empty() || materials.len() > 65_535 {
return Err(Error::Argument);
}
let binary = OSDParser::serialize_llsd_binary_with_osd(OSD::Array(
materials.into_iter().map(OSD::UUID).collect(),
))?;
let mut encoder = ZlibEncoder::new(Vec::new(), Compression::best());
encoder.write_all(&binary).map_err(|_| Error::Argument)?;
let zipped = encoder.finish().map_err(|_| Error::Argument)?;
let body = OSD::Map(HashMap::from([("Zipped".into(), OSD::Binary(zipped))]));
let payload = OSDParser::serialize_llsd_xml_bytes(body)?;
self.client()?
.native_http_caps_client()
.post_with_uri_string_bytes_cancellation_token_i_progress(
uri,
"application/llsd+xml".into(),
payload,
token,
None,
)
.await?
} else {
self.client()?
.native_http_caps_client()
.get(uri, token, None)
.await?
};
if !(200..300).contains(&response.status_code) {
return Ok(Box::new(std::iter::empty()));
}
Ok(Box::new(Self::decode_legacy_materials(bytes)?.into_iter()))
}
pub(crate) async fn native_send_material_updates(
&self,
sim: Simulator,
updates: Box<dyn Iterator<Item = GLTFMaterialUpdate>>,
cancellation_token: Option<CancellationToken>,
) -> Result<bool, Error> {
let Some(caps) = sim.native_caps() else {
return Ok(false);
};
let deadline = Instant::now() + Duration::from_secs(2);
let uri = loop {
if let Some(uri) = caps.capability_uri("ModifyMaterialParams".into())? {
break uri;
}
if caps.seed_request_finished() || Instant::now() >= deadline {
return Ok(false);
}
std::thread::sleep(Duration::from_millis(1));
};
let mut body = Vec::new();
for update in updates {
if update.side < 0 {
return Err(Error::Argument);
}
let mut entry = HashMap::from([
("object_id".into(), OSD::UUID(update.object_id)),
("side".into(), OSD::Integer(update.side)),
]);
if let Some(Some(asset_id)) = update.asset_id {
entry.insert("asset_id".into(), OSD::UUID(asset_id));
}
if let Some(material) = update.override_ {
entry.insert("gltf_json".into(), OSD::String(material.to_json()?));
} else if update.asset_id.flatten().is_none() {
entry.insert("gltf_json".into(), OSD::String(String::new()));
}
body.push(OSD::Map(entry));
}
if body.is_empty() {
return Err(Error::Argument);
}
let payload = OSDParser::serialize_llsd_xml_bytes(OSD::Array(body))?;
let client = self.client()?;
let (response, bytes) = client
.native_http_caps_client()
.post_with_uri_string_bytes_cancellation_token_i_progress(
uri,
"application/llsd+xml".into(),
payload,
cancellation_token.unwrap_or_default(),
None,
)
.await?;
if !(200..300).contains(&response.status_code) {
return Ok(false);
}
let response: serde_json::Value =
serde_json::from_slice(&bytes).map_err(|_| Error::Argument)?;
Ok(response
.get("success")
.and_then(serde_json::Value::as_bool)
.unwrap_or(false))
}
pub(crate) async fn native_set_material_override(
&self,
sim: Simulator,
object_id: UUID,
side: i32,
override_material: AssetMaterial,
cancellation_token: Option<CancellationToken>,
) -> Result<bool, Error> {
let mut update = GLTFMaterialUpdate::new()?;
update.object_id = object_id;
update.side = side;
update.override_ = Some(override_material);
self.native_send_material_updates(
sim,
Box::new(std::iter::once(update)),
cancellation_token,
)
.await
}
pub(crate) async fn native_clear_material_override(
&self,
sim: Simulator,
object_id: UUID,
side: i32,
cancellation_token: Option<CancellationToken>,
) -> Result<bool, Error> {
let mut update = GLTFMaterialUpdate::new()?;
update.object_id = object_id;
update.side = side;
self.native_send_material_updates(
sim,
Box::new(std::iter::once(update)),
cancellation_token,
)
.await
}
pub(crate) async fn native_apply_material(
&self,
sim: Simulator,
object_id: UUID,
side: i32,
material_asset_id: UUID,
override_material: Option<AssetMaterial>,
cancellation_token: Option<CancellationToken>,
) -> Result<bool, Error> {
let mut update = GLTFMaterialUpdate::new()?;
update.object_id = object_id;
update.side = side;
update.asset_id = Some(Some(material_asset_id));
update.override_ = override_material;
self.native_send_material_updates(
sim,
Box::new(std::iter::once(update)),
cancellation_token,
)
.await
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn legacy_material_capability_response_is_decoded() {
let id = UUID::random().unwrap();
let material = OSD::Map(HashMap::from([
("ID".into(), OSD::UUID(id)),
(
"Material".into(),
OSD::Map(HashMap::from([("SpecExp".into(), OSD::Integer(37))])),
),
]));
let binary = OSDParser::serialize_llsd_binary_with_osd(OSD::Array(vec![material])).unwrap();
let mut encoder = ZlibEncoder::new(Vec::new(), Compression::best());
encoder.write_all(&binary).unwrap();
let response = OSDParser::serialize_llsd_xml_bytes(OSD::Map(HashMap::from([(
"Zipped".into(),
OSD::Binary(encoder.finish().unwrap()),
)])))
.unwrap();
let decoded = ObjectManager::decode_legacy_materials(response).unwrap();
assert_eq!(decoded.len(), 1);
assert_eq!(decoded[0].id(), id);
assert_eq!(decoded[0].specular_exponent(), 37);
}
#[test]
fn legacy_material_capability_rejects_invalid_compression() {
let response = OSDParser::serialize_llsd_xml_bytes(OSD::Map(HashMap::from([(
"Zipped".into(),
OSD::Binary(vec![0xde, 0xad, 0xbe, 0xef]),
)])))
.unwrap();
assert!(ObjectManager::decode_legacy_materials(response).is_err());
}
#[test]
fn object_media_event_args_preserve_response_values() {
let mut media = MediaEntry::new().unwrap();
media.current_url = "https://example.invalid/media".into();
let mut args =
ObjectMediaEventArgs::new(true, "x-mv:0000000001".into(), vec![media]).unwrap();
assert!(args.success());
assert_eq!(args.version(), "x-mv:0000000001");
assert_eq!(args.face_media().len(), 1);
args.set_success(false);
args.set_version("x-mv:0000000002".into());
args.set_face_media(Vec::new());
assert!(!args.success());
assert_eq!(args.version(), "x-mv:0000000002");
assert!(args.face_media().is_empty());
}
}