Files
server/src/nodes/root.rs
2024-02-04 09:26:24 -05:00

144 lines
3.8 KiB
Rust

use super::spatial::Spatial;
use super::{Message, Node};
use crate::core::client::Client;
use crate::core::client_state::{ClientState, ClientStateInternal};
use crate::core::registry::Registry;
use crate::core::scenegraph::MethodResponseSender;
#[cfg(feature = "wayland")]
use crate::wayland::WAYLAND_DISPLAY;
#[cfg(feature = "xwayland")]
use crate::wayland::X_DISPLAY;
use crate::STARDUST_INSTANCE;
use color_eyre::eyre::Result;
use glam::Mat4;
use rustc_hash::FxHashMap;
use stardust_xr::schemas::flex::{deserialize, serialize};
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use tracing::instrument;
static ROOT_REGISTRY: Registry<Root> = Registry::new();
pub struct Root {
pub node: Arc<Node>,
send_frame_event: AtomicBool,
}
impl Root {
pub fn create(client: &Arc<Client>) -> Result<Arc<Self>> {
let node = Node::create(client, "", "", false);
node.add_local_signal("subscribe_frame", Root::subscribe_frame_flex);
node.add_local_signal("set_base_prefixes", Root::set_base_prefixes_flex);
node.add_local_method("state_token", Root::state_token_flex);
node.add_local_method(
"get_connection_environment",
get_connection_environment_flex,
);
let node = node.add_to_scenegraph()?;
let _ = Spatial::add_to(&node, None, client.state.root, false);
Ok(ROOT_REGISTRY.add(Root {
node,
send_frame_event: AtomicBool::from(false),
}))
}
fn subscribe_frame_flex(
_node: Arc<Node>,
calling_client: Arc<Client>,
_message: Message,
) -> Result<()> {
calling_client
.root
.get()
.unwrap()
.send_frame_event
.store(true, Ordering::Relaxed);
Ok(())
}
#[instrument(level = "debug")]
pub fn send_frame_events(delta: f64) {
if let Ok(data) = serialize((delta, 0.0)) {
for root in ROOT_REGISTRY.get_valid_contents() {
if root.send_frame_event.load(Ordering::Relaxed) {
let _ = root.node.send_remote_signal("frame", data.clone());
}
}
}
}
fn set_base_prefixes_flex(
_node: Arc<Node>,
calling_client: Arc<Client>,
message: Message,
) -> Result<()> {
*calling_client.base_resource_prefixes.lock() = deserialize(message.as_ref())?;
Ok(())
}
fn state_token_flex(
_node: Arc<Node>,
calling_client: Arc<Client>,
message: Message,
response: MethodResponseSender,
) {
response.wrap_sync(|| {
let state: ClientStateInternal = deserialize(message.as_ref())?;
let token = ClientState::from_deserialized(&calling_client, state).token();
Ok(serialize(token)?.into())
})
}
pub fn set_transform(&self, transform: Mat4) {
let spatial = self.node.spatial.get().unwrap();
spatial.set_spatial_parent(None).unwrap();
spatial.set_local_transform(transform);
}
pub async fn save_state(&self) -> Result<ClientStateInternal> {
Ok(self
.node
.execute_remote_method_typed("save_state", (), Vec::new())
.await?
.0)
}
}
impl Drop for Root {
fn drop(&mut self) {
ROOT_REGISTRY.remove(self);
}
}
macro_rules! var_env_insert {
($env:ident, $name:ident) => {
$env.insert(stringify!($name).to_string(), $name.get().unwrap().clone());
};
}
pub fn get_connection_environment_flex(
_node: Arc<Node>,
_calling_client: Arc<Client>,
_message: Message,
response: MethodResponseSender,
) {
response.wrap_sync(move || {
let mut env: FxHashMap<String, String> = FxHashMap::default();
var_env_insert!(env, STARDUST_INSTANCE);
#[cfg(feature = "wayland")]
{
var_env_insert!(env, WAYLAND_DISPLAY);
#[cfg(feature = "xwayland")]
env.insert(
"DISPLAY".to_string(),
format!(":{}", X_DISPLAY.get().unwrap()),
);
env.insert("GDK_BACKEND".to_string(), "wayland".to_string());
env.insert("QT_QPA_PLATFORM".to_string(), "wayland".to_string());
env.insert("MOZ_ENABLE_WAYLAND".to_string(), "1".to_string());
env.insert("CLUTTER_BACKEND".to_string(), "wayland".to_string());
env.insert("SDL_VIDEODRIVER".to_string(), "wayland".to_string());
}
Ok(serialize(env)?.into())
});
}