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Rename things to make them much clear

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Tipragot 2023-04-29 15:35:15 +02:00
parent 1a8136b078
commit 59dc588c39
2 changed files with 63 additions and 53 deletions
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38
src/client.rs
View file

@ -23,9 +23,9 @@ struct HandlerManager(Arc<HashMap<u64, PacketHandler>>);
/// A [Connection] to a remote server.
#[derive(Resource)]
pub struct Connection(tcp::Connection);
pub struct ServerConnection(tcp::Connection);
impl Connection {
impl ServerConnection {
/// Connects to a remote server.
pub fn connect<A: ToSocketAddrs>(addr: A) -> io::Result<Self> {
Ok(Self(tcp::Connection::connect(addr)?))
@ -42,7 +42,7 @@ impl Connection {
#[cfg(feature = "sync")]
/// An event that comes from the server.
#[derive(Deref)]
pub struct PacketEvent<E: Event + Packet> {
pub struct FromServer<E: Event + Packet> {
/// The event.
pub event: E,
}
@ -50,18 +50,18 @@ pub struct PacketEvent<E: Event + Packet> {
#[cfg(feature = "sync")]
/// Mark an [Entity] as synced by the server.
#[derive(Component)]
pub struct Synced(Entity);
pub struct ServerEntity(Entity);
/// A plugin that manage the network [Connection]s.
pub struct NetworkPlugin;
pub struct ClientPlugin;
impl NetworkPlugin {
impl ClientPlugin {
#[cfg(feature = "client")]
/// Handles a received [Packet] on the server.
pub fn handle_packets(world: &mut World) {
// Get all received packets
let mut packets = Vec::new();
if let Some(connection) = world.get_resource::<Connection>() {
if let Some(connection) = world.get_resource::<ServerConnection>() {
while let Some(mut packet) = connection.0.recv() {
if packet.len() < 8 {
println!("Invalid packet received: {:?}", packet);
@ -88,24 +88,24 @@ impl NetworkPlugin {
#[cfg(feature = "client")]
/// Remove [Connection] if it's disconnected.
pub fn remove_disconnected(mut commands: Commands, connection: Option<Res<Connection>>) {
pub fn remove_disconnected(mut commands: Commands, connection: Option<Res<ServerConnection>>) {
if let Some(connection) = connection {
if connection.0.closed() {
commands.remove_resource::<Connection>();
commands.remove_resource::<ServerConnection>();
}
}
}
#[cfg(feature = "sync")]
/// Removes [ServerEntity] when disconnected.
fn remove_synced(mut commands: Commands, entities: Query<Entity, With<Synced>>) {
fn remove_synced(mut commands: Commands, entities: Query<Entity, With<ServerEntity>>) {
for entity in entities.iter() {
commands.entity(entity).despawn();
}
}
}
impl Plugin for NetworkPlugin {
impl Plugin for ClientPlugin {
fn build(&self, app: &mut App) {
app.insert_resource(HandlerManager(Arc::new(HashMap::new())));
app.add_system(Self::handle_packets);
@ -117,19 +117,19 @@ impl Plugin for NetworkPlugin {
match bincode::deserialize::<Entity>(&data) {
Ok(entity) => {
if let Some((local_entity, _)) = world
.query::<(Entity, &Synced)>()
.query::<(Entity, &ServerEntity)>()
.iter(world)
.find(|(_, server_entity)| server_entity.0 == entity)
{
world.despawn(local_entity);
} else {
world.spawn(Synced(entity));
world.spawn(ServerEntity(entity));
}
}
Err(_) => println!("Failed to deserialize packet: {}", type_name::<Entity>()),
}
});
app.add_system(Self::remove_synced.run_if(resource_removed::<Connection>()));
app.add_system(Self::remove_synced.run_if(resource_removed::<ServerConnection>()));
}
}
}
@ -162,9 +162,9 @@ impl NetworkExt for App {
#[cfg(feature = "sync")]
fn sync_server_event<E: Event + Packet>(&mut self) -> &mut Self {
self.add_event::<PacketEvent<E>>()
self.add_event::<FromServer<E>>()
.add_packet_handler::<E, _>(|data, world| match bincode::deserialize::<E>(&data) {
Ok(event) => world.send_event(PacketEvent { event }),
Ok(event) => world.send_event(FromServer { event }),
Err(_) => println!("Failed to deserialize packet: {}", type_name::<E>()),
})
}
@ -172,7 +172,7 @@ impl NetworkExt for App {
#[cfg(feature = "sync")]
fn sync_client_event<E: Event + Packet>(&mut self) -> &mut Self {
self.add_event::<E>().add_system(
|mut events: EventReader<E>, connection: Option<Res<Connection>>| {
|mut events: EventReader<E>, connection: Option<Res<ServerConnection>>| {
if let Some(connection) = connection {
for event in events.iter() {
connection.send(event);
@ -188,7 +188,7 @@ impl NetworkExt for App {
match bincode::deserialize::<(Entity, C)>(&data) {
Ok((entity, component)) => {
if let Some((local_entity, _)) = world
.query::<(Entity, &Synced)>()
.query::<(Entity, &ServerEntity)>()
.iter(world)
.find(|(_, server_entity)| server_entity.0 == entity)
{
@ -213,7 +213,7 @@ impl NetworkExt for App {
|data, world| match bincode::deserialize::<(Entity, PhantomData<C>)>(&data) {
Ok((entity, _)) => {
if let Some((local_entity, _)) = world
.query::<(Entity, &Synced)>()
.query::<(Entity, &ServerEntity)>()
.iter(world)
.find(|(_, server_entity)| server_entity.0 == entity)
{

78
src/server.rs
View file

@ -10,11 +10,14 @@ use ::{
/// A trait for a handler function.
pub trait PacketHandlerFn:
Fn(Entity, Connection, Vec<u8>, &mut World) + Send + Sync + 'static
Fn(Entity, ClientConnection, Vec<u8>, &mut World) + Send + Sync + 'static
{
}
impl<T: Fn(Entity, Connection, Vec<u8>, &mut World) + Send + Sync + 'static> PacketHandlerFn for T {}
impl<T: Fn(Entity, ClientConnection, Vec<u8>, &mut World) + Send + Sync + 'static> PacketHandlerFn
for T
{
}
/// A function that handle a received [Packet]s.
type PacketHandler = Box<dyn PacketHandlerFn>;
@ -36,9 +39,9 @@ impl Listener {
/// A [Connection] to a remote client.
#[derive(Component)]
pub struct Connection(Arc<tcp::Connection>);
pub struct ClientConnection(Arc<tcp::Connection>);
impl Connection {
impl ClientConnection {
/// Sends a packet through this connection.
pub fn send<P: Packet>(&self, packet: &P) {
let mut data = bincode::serialize(packet).expect("Failed to serialize packet");
@ -49,19 +52,19 @@ impl Connection {
#[cfg(feature = "sync")]
/// An event that comes from a client.
pub struct PacketEvent<E: Event + Packet> {
pub struct FromClient<E: Event + Packet> {
/// The entity of the [Connection] that sent the event.
pub entity: Entity,
/// The [Connection] that sent the event.
pub connection: Connection,
pub connection: ClientConnection,
/// The event.
pub event: E,
}
#[cfg(feature = "sync")]
impl<E: Event + Packet> Deref for PacketEvent<E> {
impl<E: Event + Packet> Deref for FromClient<E> {
type Target = E;
fn deref(&self) -> &Self::Target {
@ -75,14 +78,14 @@ impl<E: Event + Packet> Deref for PacketEvent<E> {
pub struct Synced;
/// A plugin that manage the network [Connection]s.
pub struct NetworkPlugin;
pub struct ServerPlugin;
impl NetworkPlugin {
impl ServerPlugin {
/// Accept new [Connection]s.
fn accept_connections(mut commands: Commands, listener: Option<Res<Listener>>) {
if let Some(listener) = listener {
if let Some(connection) = listener.0.accept() {
commands.spawn(Connection(Arc::new(connection)));
commands.spawn(ClientConnection(Arc::new(connection)));
}
}
}
@ -91,7 +94,7 @@ impl NetworkPlugin {
fn handle_packets(world: &mut World) {
// Get all received packets
let mut packets = Vec::new();
for (entity, connection) in world.query::<(Entity, &Connection)>().iter(world) {
for (entity, connection) in world.query::<(Entity, &ClientConnection)>().iter(world) {
while let Some(mut packet) = connection.0.recv() {
if packet.len() < 8 {
println!("Invalid packet received: {:?}", packet);
@ -100,7 +103,7 @@ impl NetworkPlugin {
let packet_id = u64::from_be_bytes(id_buffer.try_into().unwrap());
packets.push((
entity,
Connection(Arc::clone(&connection.0)),
ClientConnection(Arc::clone(&connection.0)),
packet_id,
packet,
));
@ -120,17 +123,23 @@ impl NetworkPlugin {
}
/// Remove disconnected [Connection]s.
fn remove_disconnected(mut commands: Commands, connections: Query<(Entity, &Connection)>) {
fn remove_disconnected(
mut commands: Commands,
connections: Query<(Entity, &ClientConnection)>,
) {
for (entity, connection) in connections.iter() {
if connection.0.closed() {
commands.entity(entity).remove::<Connection>();
commands.entity(entity).remove::<ClientConnection>();
}
}
}
#[cfg(feature = "sync")]
/// Send to clients the [Synced] entity that has been added to the server.
fn send_added(added_entities: Query<Entity, Added<Synced>>, connections: Query<&Connection>) {
fn send_added(
added_entities: Query<Entity, Added<Synced>>,
connections: Query<&ClientConnection>,
) {
for entity in added_entities.iter() {
for connection in connections.iter() {
connection.send(&entity);
@ -142,7 +151,7 @@ impl NetworkPlugin {
/// Send [Synced] entities to new clients.
fn send_synced(
synced_entities: Query<Entity, With<Synced>>,
new_connections: Query<&Connection, Added<Connection>>,
new_connections: Query<&ClientConnection, Added<ClientConnection>>,
) {
for entity in synced_entities.iter() {
for connection in new_connections.iter() {
@ -155,7 +164,7 @@ impl NetworkPlugin {
/// Send to clients the [Synced] entity that has been removed.
fn send_removed(
mut removed_entities: RemovedComponents<Synced>,
connections: Query<&Connection>,
connections: Query<&ClientConnection>,
) {
for entity in removed_entities.iter() {
for connection in connections.iter() {
@ -165,7 +174,7 @@ impl NetworkPlugin {
}
}
impl Plugin for NetworkPlugin {
impl Plugin for ServerPlugin {
fn build(&self, app: &mut App) {
app.insert_resource(HandlerManager(Arc::new(HashMap::new())));
app.add_system(Self::handle_packets);
@ -210,7 +219,7 @@ impl NetworkExt for App {
#[cfg(feature = "sync")]
fn sync_server_event<E: Event + Packet>(&mut self) -> &mut Self {
self.add_event::<E>().add_system(
|mut events: EventReader<E>, connections: Query<&Connection>| {
|mut events: EventReader<E>, connections: Query<&ClientConnection>| {
for event in events.iter() {
for connection in connections.iter() {
connection.send(event);
@ -222,10 +231,10 @@ impl NetworkExt for App {
#[cfg(feature = "sync")]
fn sync_client_event<E: Event + Packet>(&mut self) -> &mut Self {
self.add_event::<PacketEvent<E>>()
self.add_event::<FromClient<E>>()
.add_packet_handler::<E, _>(
|entity, connection, data, world| match bincode::deserialize::<E>(&data) {
Ok(event) => world.send_event(PacketEvent {
Ok(event) => world.send_event(FromClient {
entity,
connection,
event,
@ -239,7 +248,7 @@ impl NetworkExt for App {
fn sync_component<C: Component + DeserializeOwned + Serialize + Clone>(&mut self) -> &mut Self {
let update_components =
|changed_components: Query<(Entity, &C), (Changed<C>, With<Synced>)>,
connections: Query<&Connection>| {
connections: Query<&ClientConnection>| {
for (entity, component) in changed_components.iter() {
for connection in connections.iter() {
connection.send(&(entity, component.clone()));
@ -248,26 +257,27 @@ impl NetworkExt for App {
};
let send_components =
|components: Query<(Entity, &C), With<Synced>>,
new_connections: Query<&Connection, Added<Connection>>| {
new_connections: Query<&ClientConnection, Added<ClientConnection>>| {
for (entity, component) in components.iter() {
for connection in new_connections.iter() {
connection.send(&(entity, component.clone()));
}
}
};
let remove_components = |mut removed_components: RemovedComponents<C>,
synced_entities: Query<Entity, With<Synced>>,
connections: Query<&Connection>| {
for entity in removed_components.iter() {
if synced_entities.contains(entity) {
for connection in connections.iter() {
connection.send(&(entity, PhantomData::<C>));
let remove_components =
|mut removed_components: RemovedComponents<C>,
synced_entities: Query<Entity, With<Synced>>,
connections: Query<&ClientConnection>| {
for entity in removed_components.iter() {
if synced_entities.contains(entity) {
for connection in connections.iter() {
connection.send(&(entity, PhantomData::<C>));
}
}
}
}
};
self.add_system(update_components.after(NetworkPlugin::send_added))
.add_system(send_components.after(NetworkPlugin::send_synced))
};
self.add_system(update_components.after(ServerPlugin::send_added))
.add_system(send_components.after(ServerPlugin::send_synced))
.add_system(remove_components.after(update_components))
}
}