Added view distance configuration

Former-commit-id: b3c7a21631ce0c6b058f25aede0e3e2895a16f81

.gitignore

@@ -17,6 +17,7 @@
 # Veloren
 voxygen/keybinds.toml
 settings.toml
+voxygen/settings/
 *.rar
 *.log
 run.sh

client/src/lib.rs

@@ -44,7 +44,7 @@ pub struct Client {
     tick: u64,
     state: State,
     entity: EcsEntity,
-    view_distance: u64,
+    view_distance: Option<u32>,
 
     pending_chunks: HashMap<Vec2<i32>, Instant>,
 }
@@ -52,7 +52,7 @@ pub struct Client {
 impl Client {
     /// Create a new `Client`.
     #[allow(dead_code)]
-    pub fn new<A: Into<SocketAddr>>(addr: A, view_distance: u64) -> Result<Self, Error> {
+    pub fn new<A: Into<SocketAddr>>(addr: A, view_distance: Option<u32>) -> Result<Self, Error> {
         let mut client_state = Some(ClientState::Connected);
         let mut postbox = PostBox::to(addr)?;
 
@@ -94,6 +94,12 @@ impl Client {
         self.postbox.send_message(ClientMsg::Register { player });
     }
 
+    pub fn set_view_distance(&mut self, view_distance: u32) {
+        self.view_distance = Some(view_distance.max(5).min(25));
+        self.postbox
+            .send_message(ClientMsg::SetViewDistance(self.view_distance.unwrap())); // Can't fail
+    }
+
     /// Get a reference to the client's worker thread pool. This pool should be used for any
     /// computationally expensive operations that run outside of the main thread (i.e., threads that
     /// block on I/O operations are exempt).
@@ -198,16 +204,16 @@ impl Client {
             .read_storage::<comp::phys::Pos>()
             .get(self.entity)
             .cloned();
-        if let Some(pos) = pos {
+        if let (Some(pos), Some(view_distance)) = (pos, self.view_distance) {
             let chunk_pos = self.state.terrain().pos_key(pos.0.map(|e| e as i32));
 
             // Remove chunks that are too far from the player.
             let mut chunks_to_remove = Vec::new();
             self.state.terrain().iter().for_each(|(key, _)| {
                 if (Vec2::from(chunk_pos) - Vec2::from(key))
-                    .map(|e: i32| e.abs())
+                    .map(|e: i32| e.abs() as u32)
                     .reduce_max()
-                    > 10
+                    > view_distance
                 {
                     chunks_to_remove.push(key);
                 }
@@ -218,7 +224,7 @@ impl Client {
 
             // Request chunks from the server.
             // TODO: This is really inefficient.
-            'outer: for dist in 0..10 {
+            'outer: for dist in 0..view_distance as i32 {
                 for i in chunk_pos.x - dist..chunk_pos.x + dist + 1 {
                     for j in chunk_pos.y - dist..chunk_pos.y + dist + 1 {
                         let key = Vec2::new(i, j);

common/src/comp/player.rs

@@ -3,11 +3,15 @@ use specs::{Component, FlaggedStorage, VecStorage};
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct Player {
     pub alias: String,
+    pub view_distance: Option<u32>,
 }
 
 impl Player {
-    pub fn new(alias: String) -> Self {
-        Self { alias }
+    pub fn new(alias: String, view_distance: Option<u32>) -> Self {
+        Self {
+            alias,
+            view_distance,
+        }
     }
 }
 

common/src/msg/client.rs

@@ -12,6 +12,7 @@ pub enum ClientMsg {
         body: comp::Body,
     },
     RequestState(ClientState),
+    SetViewDistance(u32),
     Ping,
     Pong,
     Chat(String),

server/src/cmd.rs

@@ -135,9 +135,14 @@ fn handle_goto(server: &mut Server, entity: EcsEntity, args: String, action: &Ch
 fn handle_alias(server: &mut Server, entity: EcsEntity, args: String, action: &ChatCommand) {
     let opt_alias = scan_fmt!(&args, action.arg_fmt, String);
     match opt_alias {
-        Some(alias) => server
-            .state
-            .write_component(entity, comp::player::Player { alias }),
+        Some(alias) => {
+            server
+                .state
+                .ecs_mut()
+                .write_storage::<comp::Player>()
+                .get_mut(entity)
+                .map(|player| player.alias = alias);
+        }
         None => server
             .clients
             .notify(entity, ServerMsg::Chat(String::from(action.help_string))),

server/src/lib.rs

@@ -198,9 +198,9 @@ impl Server {
                 let chunk_pos = self.state.terrain().pos_key(pos.0.map(|e| e as i32));
                 let dist = (Vec2::from(chunk_pos) - Vec2::from(key))
                     .map(|e: i32| e.abs())
-                    .reduce_max();
+                    .reduce_max() as u32;
 
-                if dist < 10 {
+                if player.view_distance.map(|vd| dist < vd).unwrap_or(false) {
                     self.clients.notify(
                         entity,
                         ServerMsg::TerrainChunkUpdate {
@@ -218,10 +218,10 @@ impl Server {
         // Remove chunks that are too far from players.
         let mut chunks_to_remove = Vec::new();
         self.state.terrain().iter().for_each(|(key, _)| {
-            let mut min_dist = i32::MAX;
+            let mut should_drop = true;
 
             // For each player with a position, calculate the distance.
-            for (_, pos) in (
+            for (player, pos) in (
                 &self.state.ecs().read_storage::<comp::Player>(),
                 &self.state.ecs().read_storage::<comp::phys::Pos>(),
             )
@@ -229,12 +229,15 @@ impl Server {
             {
                 let chunk_pos = self.state.terrain().pos_key(pos.0.map(|e| e as i32));
                 let dist = Vec2::from(chunk_pos - key)
-                    .map(|e: i32| e.abs())
+                    .map(|e: i32| e.abs() as u32)
                     .reduce_max();
-                min_dist = min_dist.min(dist);
+
+                if player.view_distance.map(|vd| dist <= vd).unwrap_or(false) {
+                    should_drop = false;
+                }
             }
 
-            if min_dist > 10 {
+            if should_drop {
                 chunks_to_remove.push(key);
             }
         });
@@ -340,6 +343,16 @@ impl Server {
                             // Use RequestState instead (No need to send `player` again).
                             _ => client.error_state(RequestStateError::Impossible),
                         },
+                        ClientMsg::SetViewDistance(view_distance) => match client.client_state {
+                            ClientState::Character { .. } => {
+                                state
+                                    .ecs_mut()
+                                    .write_storage::<comp::Player>()
+                                    .get_mut(entity)
+                                    .map(|player| player.view_distance = Some(view_distance));
+                            }
+                            _ => {}
+                        },
                         ClientMsg::Character { name, body } => match client.client_state {
                             // Become Registered first.
                             ClientState::Connected => {

voxygen/src/hud/mod.rs

@@ -90,7 +90,7 @@ font_ids! {
 
 pub enum Event {
     SendMessage(String),
-    AdjustVd(u8),
+    AdjustViewDistance(u32),
     Logout,
     Quit,
 }
@@ -209,7 +209,7 @@ pub struct Hud {
     settings: Settings,
     force_ungrab: bool,
     // TODO: move to settings
-    current_vd: u8,
+    current_vd: u32,
 }
 
 impl Hud {
@@ -386,9 +386,9 @@ impl Hud {
                     }
                     settings_window::Event::ToggleDebug => self.show.debug = !self.show.debug,
                     settings_window::Event::Close => self.show.open_windows = Windows::None,
-                    settings_window::Event::AdjustVd(new_vd) => {
-                        self.current_vd = new_vd;
-                        events.push(Event::AdjustVd(new_vd));
+                    settings_window::Event::AdjustViewDistance(view_distance) => {
+                        self.current_vd = view_distance;
+                        events.push(Event::AdjustViewDistance(view_distance));
                     }
                 }
             }

voxygen/src/hud/settings_window.rs

@@ -62,14 +62,14 @@ pub struct SettingsWindow<'a> {
     imgs: &'a Imgs,
     fonts: &'a Fonts,
 
-    current_vd: u8,
+    current_vd: u32,
 
     #[conrod(common_builder)]
     common: widget::CommonBuilder,
 }
 
 impl<'a> SettingsWindow<'a> {
-    pub fn new(show: &'a Show, imgs: &'a Imgs, fonts: &'a Fonts, current_vd: u8) -> Self {
+    pub fn new(show: &'a Show, imgs: &'a Imgs, fonts: &'a Fonts, current_vd: u32) -> Self {
         Self {
             show,
             imgs,
@@ -91,7 +91,7 @@ pub enum Event {
     ToggleInventoryTestButton,
     ToggleDebug,
     Close,
-    AdjustVd(u8),
+    AdjustViewDistance(u32),
 }
 
 impl<'a> Widget for SettingsWindow<'a> {
@@ -489,7 +489,7 @@ impl<'a> Widget for SettingsWindow<'a> {
             .pad_track((5.0, 5.0))
             .set(state.ids.vd_slider, ui)
             {
-                events.push(Event::AdjustVd(new_val));
+                events.push(Event::AdjustViewDistance(new_val as u32));
             }
         }
         // 5 Sound

voxygen/src/menu/main/client_init.rs

@@ -24,13 +24,8 @@ pub struct ClientInit {
     rx: Receiver<Result<Client, Error>>,
 }
 impl ClientInit {
-    pub fn new(
-        connection_args: (String, u16, bool),
-        client_args: (comp::Player, u64),
-        wait: bool,
-    ) -> Self {
+    pub fn new(connection_args: (String, u16, bool), player: comp::Player, wait: bool) -> Self {
         let (server_address, default_port, prefer_ipv6) = connection_args;
-        let (player, view_distance) = client_args;
 
         let (tx, rx) = channel();
 
@@ -53,7 +48,7 @@ impl ClientInit {
                     let mut last_err = None;
 
                     for socket_addr in first_addrs.into_iter().chain(second_addrs) {
-                        match Client::new(socket_addr, view_distance) {
+                        match Client::new(socket_addr, player.view_distance) {
                             Ok(mut client) => {
                                 client.register(player);
                                 let _ = tx.send(Ok(client));

voxygen/src/menu/main/mod.rs

@@ -106,7 +106,7 @@ impl PlayState for MainMenuState {
                         // Don't try to connect if there is already a connection in progress.
                         client_init = client_init.or(Some(ClientInit::new(
                             (server_address, DEFAULT_PORT, false),
-                            (comp::Player::new(username.clone()), 300),
+                            comp::Player::new(username.clone(), Some(10)),
                             false,
                         )));
                     }

voxygen/src/menu/main/start_singleplayer.rs

@@ -30,7 +30,7 @@ impl PlayState for StartSingleplayerState {
 
                 let client_init = ClientInit::new(
                     (server_address.clone(), self.sock.port(), false),
-                    (comp::Player::new(username.clone()), 300),
+                    comp::Player::new(username.clone(), Some(10)),
                     true,
                 );
 

voxygen/src/session.rs

@@ -190,9 +190,8 @@ impl PlayState for SessionState {
                     HudEvent::Quit => {
                         return PlayStateResult::Shutdown;
                     }
-                    HudEvent::AdjustVd(new_vd) => {
-                        println!("New VD is {}, TODO: Actually change VD", new_vd);
-                        //self.client.borrow_mut().set_vd(new_vd);
+                    HudEvent::AdjustViewDistance(view_distance) => {
+                        self.client.borrow_mut().set_view_distance(view_distance)
                     }
                 }
             }

voxygen/src/window.rs

@@ -216,6 +216,8 @@ pub enum Event {
     KeyUp(Key),
     /// Event that the ui uses.
     Ui(ui::Event),
+    // The view distance has been changed
+    ViewDistanceChanged(u32),
     /// Game settings have changed.
     SettingsChanged,
 }