Added LoD slider

assets/voxygen/shaders/include/lod.glsl

@@ -3,7 +3,7 @@
 uniform sampler2D t_map;
 
 vec2 pos_to_uv(vec2 pos) {
-	vec2 uv_pos = pos / 32768.0;
+	vec2 uv_pos = (pos + 16) / 32768.0;
 	return vec2(uv_pos.x, 1.0 - uv_pos.y);
 }
 

voxygen/src/hud/mod.rs

@@ -196,6 +196,7 @@ pub enum Event {
     ToggleZoomInvert(bool),
     ToggleMouseYInvert(bool),
     AdjustViewDistance(u32),
+    AdjustLodDetail(u32),
     AdjustMusicVolume(f32),
     AdjustSfxVolume(f32),
     ChangeAudioDevice(String),
@@ -1744,6 +1745,9 @@ impl Hud {
                     settings_window::Event::AdjustViewDistance(view_distance) => {
                         events.push(Event::AdjustViewDistance(view_distance));
                     },
+                    settings_window::Event::AdjustLodDetail(lod_detail) => {
+                        events.push(Event::AdjustLodDetail(lod_detail));
+                    },
                     settings_window::Event::CrosshairTransp(crosshair_transp) => {
                         events.push(Event::CrosshairTransp(crosshair_transp));
                     },

voxygen/src/hud/settings_window.rs

@@ -83,6 +83,9 @@ widget_ids! {
         vd_slider,
         vd_text,
         vd_value,
+        lod_detail_slider,
+        lod_detail_text,
+        lod_detail_value,
         max_fps_slider,
         max_fps_text,
         max_fps_value,
@@ -202,6 +205,7 @@ pub enum Event {
     ToggleMouseYInvert(bool),
     AdjustViewDistance(u32),
     AdjustFOV(u16),
+    AdjustLodDetail(u32),
     AdjustGamma(f32),
     AdjustWindowSize([u16; 2]),
     ToggleFullscreen,
@@ -1558,9 +1562,44 @@ impl<'a> Widget for SettingsWindow<'a> {
                 .color(TEXT_COLOR)
                 .set(state.ids.fov_value, ui);
 
+            // LoD detail
+            Text::new(&self.localized_strings.get("hud.settings.lod_detail"))
+                .down_from(state.ids.fov_slider, 10.0)
+                .font_size(self.fonts.cyri.scale(14))
+                .font_id(self.fonts.cyri.conrod_id)
+                .color(TEXT_COLOR)
+                .set(state.ids.lod_detail_text, ui);
+
+            if let Some(new_val) = ImageSlider::discrete(
+                self.global_state.settings.graphics.lod_detail,
+                100,
+                2000,
+                self.imgs.slider_indicator,
+                self.imgs.slider,
+            )
+            .w_h(104.0, 22.0)
+            .down_from(state.ids.lod_detail_text, 8.0)
+            .track_breadth(12.0)
+            .slider_length(10.0)
+            .pad_track((5.0, 5.0))
+            .set(state.ids.lod_detail_slider, ui)
+            {
+                events.push(Event::AdjustLodDetail(new_val as u32));
+            }
+
+            Text::new(&format!(
+                "{}",
+                self.global_state.settings.graphics.lod_detail
+            ))
+            .right_from(state.ids.lod_detail_slider, 8.0)
+            .font_size(self.fonts.cyri.scale(14))
+            .font_id(self.fonts.cyri.conrod_id)
+            .color(TEXT_COLOR)
+            .set(state.ids.lod_detail_value, ui);
+
             // Gamma
             Text::new(&self.localized_strings.get("hud.settings.gamma"))
-                .down_from(state.ids.fov_slider, 10.0)
+                .down_from(state.ids.lod_detail_slider, 10.0)
                 .font_size(self.fonts.cyri.scale(14))
                 .font_id(self.fonts.cyri.conrod_id)
                 .color(TEXT_COLOR)

voxygen/src/scene/lod.rs

@@ -1,38 +1,61 @@
-use crate::render::{
-    pipelines::lod_terrain::{Locals, Vertex},
-    Consts, FilterMethod, Globals, LodTerrainPipeline, Mesh, Model, Quad, Renderer, Texture,
+use crate::{
+    render::{
+        pipelines::lod_terrain::{Locals, Vertex},
+        Consts, FilterMethod, Globals, LodTerrainPipeline, Mesh, Model, Quad, Renderer, Texture,
+    },
+    settings::Settings,
 };
 use client::Client;
 use common::spiral::Spiral2d;
 use vek::*;
 
 pub struct Lod {
-    model: Model<LodTerrainPipeline>,
+    model: Option<(u32, Model<LodTerrainPipeline>)>,
     locals: Consts<Locals>,
     map: Texture,
+    tgt_detail: u32,
 }
 
 impl Lod {
-    pub fn new(renderer: &mut Renderer, client: &Client) -> Self {
+    pub fn new(renderer: &mut Renderer, client: &Client, settings: &Settings) -> Self {
         Self {
-            model: renderer
-                .create_model(&create_lod_terrain_mesh(500))
-                .unwrap(),
+            model: None,
             locals: renderer.create_consts(&[Locals::default()]).unwrap(),
             map: renderer
                 .create_texture(&client.world_map.0, Some(FilterMethod::Trilinear), None)
                 .expect("Failed to generate map texture"),
+            tgt_detail: settings.graphics.lod_detail,
+        }
+    }
+
+    pub fn set_detail(&mut self, detail: u32) { self.tgt_detail = detail.max(100).min(2000); }
+
+    pub fn maintain(&mut self, renderer: &mut Renderer) {
+        if self
+            .model
+            .as_ref()
+            .map(|(detail, _)| *detail != self.tgt_detail)
+            .unwrap_or(true)
+        {
+            self.model = Some((
+                self.tgt_detail,
+                renderer
+                    .create_model(&create_lod_terrain_mesh(self.tgt_detail))
+                    .unwrap(),
+            ));
         }
     }
 
     pub fn render(&self, renderer: &mut Renderer, globals: &Consts<Globals>) {
-        renderer.render_lod_terrain(&self.model, globals, &self.locals, &self.map);
+        if let Some((_, model)) = self.model.as_ref() {
+            renderer.render_lod_terrain(&model, globals, &self.locals, &self.map);
+        }
     }
 }
 
-fn create_lod_terrain_mesh(detail: usize) -> Mesh<LodTerrainPipeline> {
+fn create_lod_terrain_mesh(detail: u32) -> Mesh<LodTerrainPipeline> {
     Spiral2d::new()
-        .take(detail * detail)
+        .take((detail * detail) as usize)
         .map(|pos| {
             let x = pos.x + detail as i32 / 2;
             let y = pos.y + detail as i32 / 2;

voxygen/src/scene/mod.rs

@@ -17,6 +17,7 @@ use crate::{
         create_pp_mesh, create_skybox_mesh, Consts, Globals, Light, Model, PostProcessLocals,
         PostProcessPipeline, Renderer, Shadow, SkyboxLocals, SkyboxPipeline,
     },
+    settings::Settings,
     window::Event,
 };
 use client::Client;
@@ -56,7 +57,7 @@ pub struct Scene {
     skybox: Skybox,
     postprocess: PostProcess,
     terrain: Terrain<TerrainChunk>,
-    lod: Lod,
+    pub lod: Lod,
     loaded_distance: f32,
     select_pos: Option<Vec3<i32>>,
 
@@ -67,7 +68,7 @@ pub struct Scene {
 
 impl Scene {
     /// Create a new `Scene` with default parameters.
-    pub fn new(renderer: &mut Renderer, client: &Client) -> Self {
+    pub fn new(renderer: &mut Renderer, client: &Client, settings: &Settings) -> Self {
         let resolution = renderer.get_resolution().map(|e| e as f32);
 
         Self {
@@ -91,7 +92,7 @@ impl Scene {
                     .unwrap(),
             },
             terrain: Terrain::new(renderer),
-            lod: Lod::new(renderer, client),
+            lod: Lod::new(renderer, client, settings),
             loaded_distance: 0.0,
             select_pos: None,
 
@@ -153,7 +154,7 @@ impl Scene {
         renderer: &mut Renderer,
         audio: &mut AudioFrontend,
         client: &Client,
-        gamma: f32,
+        settings: &Settings,
     ) {
         // Get player position.
         let player_pos = client
@@ -301,10 +302,13 @@ impl Scene {
                     .map(|b| b.kind())
                     .unwrap_or(BlockKind::Air),
                 self.select_pos,
-                gamma,
+                settings.graphics.gamma,
             )])
             .expect("Failed to update global constants");
 
+        // Maintain LoD.
+        self.lod.maintain(renderer);
+
         // Maintain the terrain.
         self.terrain.maintain(
             renderer,

voxygen/src/session.rs

@@ -39,7 +39,11 @@ impl SessionState {
     pub fn new(global_state: &mut GlobalState, client: Rc<RefCell<Client>>) -> Self {
         // Create a scene for this session. The scene handles visible elements of the
         // game world.
-        let mut scene = Scene::new(global_state.window.renderer_mut(), &*client.borrow());
+        let mut scene = Scene::new(
+            global_state.window.renderer_mut(),
+            &*client.borrow(),
+            &global_state.settings,
+        );
         scene
             .camera_mut()
             .set_fov_deg(global_state.settings.graphics.fov);
@@ -484,6 +488,12 @@ impl PlayState for SessionState {
                         global_state.settings.graphics.view_distance = view_distance;
                         global_state.settings.save_to_file_warn();
                     },
+                    HudEvent::AdjustLodDetail(lod_detail) => {
+                        self.scene.lod.set_detail(lod_detail);
+
+                        global_state.settings.graphics.lod_detail = lod_detail;
+                        global_state.settings.save_to_file_warn();
+                    },
                     HudEvent::CrosshairTransp(crosshair_transp) => {
                         global_state.settings.gameplay.crosshair_transp = crosshair_transp;
                         global_state.settings.save_to_file_warn();
@@ -614,7 +624,7 @@ impl PlayState for SessionState {
                 global_state.window.renderer_mut(),
                 &mut global_state.audio,
                 &self.client.borrow(),
-                global_state.settings.graphics.gamma,
+                &global_state.settings,
             );
 
             // Render the session.

voxygen/src/settings.rs

@@ -197,6 +197,7 @@ pub struct GraphicsSettings {
     pub fluid_mode: FluidMode,
     pub window_size: [u16; 2],
     pub fullscreen: bool,
+    pub lod_detail: u32,
 }
 
 impl Default for GraphicsSettings {
@@ -211,6 +212,7 @@ impl Default for GraphicsSettings {
             fluid_mode: FluidMode::Shiny,
             window_size: [1920, 1080],
             fullscreen: false,
+            lod_detail: 500,
         }
     }
 }