Merge branch 'imbris/srgb' into 'master'

Handle srgb values more accurately, Load shaders at runtime + hotloading

Closes #79

See merge request veloren/veloren!412

.gitlab-ci.yml

@@ -138,7 +138,6 @@ commit:linux-debug:
     - cp target/debug/veloren-server-cli commit-build
     - cp target/debug/veloren-voxygen commit-build
     - cp -r assets commit-build/
-    - cp -r voxygen/shaders commit-build/
     - tar -cvjSf bin/commit-linux-debug.tar.bz2 commit-build
     - cp bin/commit-linux-debug.tar.bz2 $CI_PROJECT_DIR
   artifacts:
@@ -156,7 +155,6 @@ commit:windows-debug:
     - cp target/x86_64-pc-windows-gnu/debug/veloren-server-cli.exe commit-build
     - cp target/x86_64-pc-windows-gnu/debug/veloren-voxygen.exe commit-build
     - cp -r assets commit-build/
-    - cp -r voxygen/shaders commit-build/
     - zip -r bin/commit-windows-debug.zip commit-build
     - cp bin/commit-windows-debug.zip $CI_PROJECT_DIR
   artifacts:
@@ -187,7 +185,6 @@ optional:linux-debug:
     - cp target/debug/veloren-server-cli optional-build
     - cp target/debug/veloren-voxygen optional-build
     - cp -r assets optional-build/
-    - cp -r voxygen/shaders optional-build/
     - tar -cvjSf bin/optional-linux-debug.tar.bz2 optional-build
     - cp bin/optional-linux-debug.tar.bz2 $CI_PROJECT_DIR
   artifacts:
@@ -205,7 +202,6 @@ optional:windows-debug:
     - cp target/x86_64-pc-windows-gnu/debug/veloren-server-cli.exe optional-build
     - cp target/x86_64-pc-windows-gnu/debug/veloren-voxygen.exe optional-build
     - cp -r assets optional-build/
-    - cp -r voxygen/shaders optional-build/
     - zip -r bin/optional-windows-debug.zip optional-build
     - cp bin/optional-windows-debug.zip $CI_PROJECT_DIR
   artifacts:
@@ -236,7 +232,6 @@ optional-release:linux-debug:
     - cp target/debug/veloren-server-cli optional-release-build
     - cp target/debug/veloren-voxygen optional-release-build
     - cp -r assets optional-release-build/
-    - cp -r voxygen/shaders optional-release-build/
     - tar -cvjSf bin/optional-release-linux-debug.tar.bz2 optional-release-build
     - cp bin/optional-release-linux-debug.tar.bz2 $CI_PROJECT_DIR
   artifacts:
@@ -254,7 +249,6 @@ optional-release:windows-debug:
     - cp target/x86_64-pc-windows-gnu/debug/veloren-server-cli.exe optional-release-build
     - cp target/x86_64-pc-windows-gnu/debug/veloren-voxygen.exe optional-release-build
     - cp -r assets optional-release-build/
-    - cp -r voxygen/shaders optional-release-build/
     - zip -r bin/optional-release-windows-debug.zip optional-release-build
     - cp bin/optional-release-windows-debug.zip $CI_PROJECT_DIR
   artifacts:
@@ -284,7 +278,6 @@ nightly:linux-optimized:
     - cp target/release/veloren-server-cli nightly-build
     - cp target/release/veloren-voxygen nightly-build
     - cp -r assets nightly-build/
-    - cp -r voxygen/shaders nightly-build/
     - tar -cvjSf bin/nightly-linux-optimized.tar.bz2 nightly-build
     - cp bin/nightly-linux-optimized.tar.bz2 $CI_PROJECT_DIR
   artifacts:
@@ -302,7 +295,6 @@ nightly:windows-optimized:
     - cp target/x86_64-pc-windows-gnu/release/veloren-server-cli.exe nightly-build
     - cp target/x86_64-pc-windows-gnu/release/veloren-voxygen.exe nightly-build
     - cp -r assets nightly-build/
-    - cp -r voxygen/shaders nightly-build/
     - zip -r bin/nightly-windows-optimized.zip nightly-build
     - cp bin/nightly-windows-optimized.zip $CI_PROJECT_DIR
   artifacts:

assets/voxygen/shaders/figure-frag.glsl

@@ -23,12 +23,13 @@ uniform u_bones {
 
 #include <sky.glsl>
 #include <light.glsl>
+#include <srgb.glsl>
 
 out vec4 tgt_color;
 
 void main() {
 	vec3 light = get_sun_diffuse(f_norm, time_of_day.x) + light_at(f_pos, f_norm);
-	vec3 surf_color = model_col.rgb * f_col * 2.0 * light;
+	vec3 surf_color = srgb_to_linear(model_col.rgb * f_col) * 4.0 * light;
 
 	float fog_level = fog(f_pos.xy, focus_pos.xy);
 	vec3 fog_color = get_sky_color(normalize(f_pos - cam_pos.xyz), time_of_day.x);

assets/voxygen/shaders/include/light.glsl

@@ -8,6 +8,8 @@ uniform u_lights {
 	Light lights[32];
 };
 
+#include <srgb.glsl>
+
 float attenuation_strength(vec3 rpos) {
 	return 1.0 / (rpos.x * rpos.x + rpos.y * rpos.y + rpos.z * rpos.z);
 }
@@ -30,7 +32,7 @@ vec3 light_at(vec3 wpos, vec3 wnorm) {
 		float strength = attenuation_strength(difference);
 
 		// Multiply the vec3 only once
-		vec3 color = L.light_col.rgb * (strength * L.light_col.a);
+		vec3 color = srgb_to_linear(L.light_col.rgb) * (strength * L.light_col.a);
 
 		// This is commented out to avoid conditional branching. See here: https://community.khronos.org/t/glsl-float-multiply-by-zero/104391
 		// if (max(max(color.r, color.g), color.b) < 0.002) {

assets/voxygen/shaders/include/sky.glsl

@@ -1,14 +1,14 @@
 const float PI = 3.141592;
 
-const vec3 SKY_DAY_TOP = vec3(0.35, 0.45, 0.9);
-const vec3 SKY_DAY_MID = vec3(0.25, 0.35, 0.8);
-const vec3 SKY_DAY_BOT = vec3(0.02, 0.1, 0.3);
-const vec3 DAY_LIGHT   = vec3(0.5, 0.5, 1.0);
+const vec3 SKY_DAY_TOP = vec3(0.1, 0.2, 0.9);
+const vec3 SKY_DAY_MID = vec3(0.02, 0.08, 0.8);
+const vec3 SKY_DAY_BOT = vec3(0.02, 0.01, 0.3);
+const vec3 DAY_LIGHT   = vec3(0.75, 0.75, 1.0);
 
-const vec3 SKY_DUSK_TOP = vec3(0.1, 0.15, 0.3);
-const vec3 SKY_DUSK_MID = vec3(0.8, 0.25, 0.2);
-const vec3 SKY_DUSK_BOT = vec3(0.01, 0.05, 0.15);
-const vec3 DUSK_LIGHT   = vec3(0.9, 0.4, 0.3);
+const vec3 SKY_DUSK_TOP = vec3(0.21, 0.28, 0.50);
+const vec3 SKY_DUSK_MID = vec3(0.68, 0.03, 0.0);
+const vec3 SKY_DUSK_BOT = vec3(0.0, 0.0, 0.13);
+const vec3 DUSK_LIGHT   = vec3(0.95, 0.6, 0.4);
 
 const vec3 SKY_NIGHT_TOP = vec3(0.001, 0.001, 0.0025);
 const vec3 SKY_NIGHT_MID = vec3(0.001, 0.005, 0.02);

assets/voxygen/shaders/include/srgb.glsl

@@ -0,0 +1,8 @@
+//https://gamedev.stackexchange.com/questions/92015/optimized-linear-to-srgb-glsl
+vec3 srgb_to_linear(vec3 srgb) {
+    bvec3 cutoff = lessThan(srgb, vec3(0.04045));
+    vec3 higher = pow((srgb + vec3(0.055))/vec3(1.055), vec3(2.4));
+    vec3 lower = srgb/vec3(12.92);
+
+    return mix(higher, lower, cutoff);
+}

assets/voxygen/shaders/postprocess-frag.glsl

@@ -170,7 +170,8 @@ void main() {
 	hsva_color.y *= 1.45;
 	hsva_color.z *= 0.85;
 	//hsva_color.z = 1.0 - 1.0 / (1.0 * hsva_color.z + 1.0);
-	vec4 final_color = vec4(hsv2rgb(hsva_color.rgb), hsva_color.a);
+	vec4 final_color = fxaa_color; 
+    //vec4 final_color = vec4(hsv2rgb(hsva_color.rgb), hsva_color.a);
 
 	tgt_color = vec4(final_color.rgb, 1);
 }

assets/voxygen/shaders/terrain-vert.glsl

@@ -1,6 +1,7 @@
 #version 330 core
 
 #include <globals.glsl>
+#include <srgb.glsl>
 
 in uint v_pos_norm;
 in uint v_col_light;
@@ -34,11 +35,11 @@ void main() {
 	// Use an array to avoid conditional branching
 	f_norm = normals[norm_axis + norm_dir];
 
-	f_col = vec3(
+	f_col = srgb_to_linear(vec3(
 		float((v_col_light >>  8) & 0xFFu),
 		float((v_col_light >> 16) & 0xFFu),
 		float((v_col_light >> 24) & 0xFFu)
-	) / 200.0;
+	) / 255.0);
 
 	f_light = float(v_col_light & 0xFFu) / 255.0;
 

common/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "veloren-common"
 version = "0.3.0"
-authors = ["Joshua Barretto <joshua.s.barretto@gmail.com>", "Maciej Ćwięka <mckol363@gmail.com>"]
+authors = ["Joshua Barretto <joshua.s.barretto@gmail.com>", "Maciej Ćwięka <mckol363@gmail.com>", "Imbris <imbrisf@gmail.com>"]
 edition = "2018"
 
 [dependencies]
@@ -27,3 +27,4 @@ hashbrown = { version = "0.5.0", features = ["serde", "nightly"] }
 find_folder = "0.3.0"
 parking_lot = "0.9.0"
 crossbeam = "0.7.2"
+notify = "5.0.0-pre.1"

common/src/assets/mod.rs

@@ -1,9 +1,11 @@
 //! Load assets (images or voxel data) from files
+pub mod watch;
 
 use dot_vox::DotVoxData;
 use hashbrown::HashMap;
 use image::DynamicImage;
 use lazy_static::lazy_static;
+use log::error;
 use serde_json::Value;
 use std::{
     any::Any,
@@ -60,7 +62,7 @@ pub fn load_map<A: Asset + 'static, F: FnOnce(A) -> A>(
     f: F,
 ) -> Result<Arc<A>, Error> {
     let mut assets_write = ASSETS.write().unwrap();
-    match assets_write.get(&(specifier.to_owned() + A::ENDINGS[0])) {
+    match assets_write.get(specifier) {
         Some(asset) => Ok(Arc::clone(asset).downcast()?),
         None => {
             let asset = Arc::new(f(A::parse(load_file(specifier, A::ENDINGS)?)?));
@@ -95,8 +97,56 @@ pub fn load_expect<A: Asset + 'static>(specifier: &str) -> Arc<A> {
     load(specifier).unwrap_or_else(|_| panic!("Failed loading essential asset: {}", specifier))
 }
 
+/// Load an asset while registering it to be watched and reloaded when it changes
+pub fn load_watched<A: Asset + 'static>(
+    specifier: &str,
+    indicator: &mut watch::ReloadIndicator,
+) -> Result<Arc<A>, Error> {
+    let asset = load(specifier)?;
+
+    // Determine path to watch
+    let path = unpack_specifier(specifier);
+    let mut path_with_extension = None;
+    for ending in A::ENDINGS {
+        let mut path = path.clone();
+        path.set_extension(ending);
+
+        if path.exists() {
+            path_with_extension = Some(path);
+            break;
+        }
+    }
+
+    let owned_specifier = specifier.to_string();
+    indicator.add(
+        path_with_extension.ok_or_else(|| Error::NotFound(path.to_string_lossy().into_owned()))?,
+        move || {
+            if let Err(err) = reload::<A>(&owned_specifier) {
+                error!("Error reloading {}: {:#?}", &owned_specifier, err);
+            }
+        },
+    );
+
+    Ok(asset)
+}
+
 /// The Asset trait, which is implemented by all structures that have their data stored in the
 /// filesystem.
+fn reload<A: Asset + 'static>(specifier: &str) -> Result<(), Error> {
+    let asset = Arc::new(A::parse(load_file(specifier, A::ENDINGS)?)?);
+    let clone = Arc::clone(&asset);
+    let mut assets_write = ASSETS.write().unwrap();
+    match assets_write.get_mut(specifier) {
+        Some(a) => *a = clone,
+        None => {
+            assets_write.insert(specifier.to_owned(), clone);
+        }
+    }
+
+    Ok(())
+}
+
+/// Asset Trait
 pub trait Asset: Send + Sync + Sized {
     const ENDINGS: &'static [&'static str];
     /// Parse the input file and return the correct Asset.
@@ -129,53 +179,64 @@ impl Asset for Value {
     }
 }
 
-/// Function to find where the asset/ directory is.
-fn assets_dir() -> PathBuf {
-    let mut paths = Vec::new();
-
-    // VELOREN_ASSETS environment variable
-    if let Ok(var) = std::env::var("VELOREN_ASSETS") {
-        paths.push(var.to_owned().into());
+impl Asset for String {
+    const ENDINGS: &'static [&'static str] = &["glsl"];
+    fn parse(mut buf_reader: BufReader<File>) -> Result<Self, Error> {
+        let mut string = String::new();
+        buf_reader.read_to_string(&mut string)?;
+        Ok(string)
     }
+}
 
-    // Executable path
-    if let Ok(mut path) = std::env::current_exe() {
-        path.pop();
-        paths.push(path);
-    }
+/// Lazy static to find and cache where the asset directory is.
+lazy_static! {
+    static ref ASSETS_PATH: PathBuf = {
+        let mut paths = Vec::new();
 
-    // Working path
-    if let Ok(path) = std::env::current_dir() {
-        paths.push(path);
-    }
-
-    // System paths
-    #[cfg(target_os = "linux")]
-    paths.push("/usr/share/veloren/assets".into());
-
-    for path in paths.clone() {
-        match find_folder::Search::ParentsThenKids(3, 1)
-            .of(path)
-            .for_folder("assets")
-        {
-            Ok(assets_path) => return assets_path,
-            Err(_) => continue,
+        // VELOREN_ASSETS environment variable
+        if let Ok(var) = std::env::var("VELOREN_ASSETS") {
+            paths.push(var.to_owned().into());
         }
-    }
 
-    panic!(
-        "Asset directory not found. In attempting to find it, we searched:\n{})",
-        paths.iter().fold(String::new(), |mut a, path| {
-            a += &path.to_string_lossy();
-            a += "\n";
-            a
-        }),
-    );
+        // Executable path
+        if let Ok(mut path) = std::env::current_exe() {
+            path.pop();
+            paths.push(path);
+        }
+
+        // Working path
+        if let Ok(path) = std::env::current_dir() {
+            paths.push(path);
+        }
+
+        // System paths
+        #[cfg(target_os = "linux")]
+        paths.push("/usr/share/veloren/assets".into());
+
+        for path in paths.clone() {
+            match find_folder::Search::ParentsThenKids(3, 1)
+                .of(path)
+                .for_folder("assets")
+            {
+                Ok(assets_path) => return assets_path,
+                Err(_) => continue,
+            }
+        }
+
+        panic!(
+            "Asset directory not found. In attempting to find it, we searched:\n{})",
+            paths.iter().fold(String::new(), |mut a, path| {
+                a += &path.to_string_lossy();
+                a += "\n";
+                a
+            }),
+        );
+    };
 }
 
 /// Converts a specifier like "core.backgrounds.city" to ".../veloren/assets/core/backgrounds/city".
 fn unpack_specifier(specifier: &str) -> PathBuf {
-    let mut path = assets_dir();
+    let mut path = ASSETS_PATH.clone();
     path.push(specifier.replace(".", "/"));
     path
 }

common/src/assets/watch.rs

@@ -0,0 +1,165 @@
+use crossbeam::channel::{select, unbounded, Receiver, Sender};
+use lazy_static::lazy_static;
+use log::warn;
+use notify::{event::Flag, Event, EventKind, RecommendedWatcher, RecursiveMode, Watcher as _};
+use std::{
+    collections::HashMap,
+    path::PathBuf,
+    sync::{
+        atomic::{AtomicBool, Ordering},
+        Arc, Mutex, Weak,
+    },
+    thread,
+    time::Duration,
+};
+
+type Handler = Box<dyn Fn() + Send>;
+
+lazy_static! {
+    static ref WATCHER_TX: Mutex<Sender<(PathBuf, Handler, Weak<AtomicBool>)>> =
+        Mutex::new(Watcher::new().run());
+}
+
+// This will need to be adjusted when specifier mapping to asset location becomes more dynamic
+struct Watcher {
+    watching: HashMap<PathBuf, (Handler, Vec<Weak<AtomicBool>>)>,
+    watcher: RecommendedWatcher,
+    event_rx: Receiver<Result<Event, notify::Error>>,
+}
+impl Watcher {
+    fn new() -> Self {
+        let (event_tx, event_rx) = unbounded();
+        Watcher {
+            watching: HashMap::new(),
+            watcher: notify::Watcher::new(event_tx, Duration::from_secs(2))
+                .expect("Failed to create notify::Watcher"),
+            event_rx,
+        }
+    }
+    fn watch(&mut self, path: PathBuf, handler: Handler, signal: Weak<AtomicBool>) {
+        match self.watching.get_mut(&path) {
+            Some((_, ref mut v)) => {
+                if !v.iter().any(|s| match (s.upgrade(), signal.upgrade()) {
+                    (Some(arc1), Some(arc2)) => Arc::ptr_eq(&arc1, &arc2),
+                    _ => false,
+                }) {
+                    v.push(signal);
+                }
+            }
+            None => {
+                if let Err(err) = self.watcher.watch(path.clone(), RecursiveMode::Recursive) {
+                    warn!("Could not start watching {:#?} due to: {}", &path, err);
+                    return;
+                }
+                self.watching.insert(path, (handler, vec![signal]));
+            }
+        }
+    }
+    fn handle_event(&mut self, event: Event) {
+        // Skip notice events
+        if let Some(Flag::Notice) = event.flag() {
+            return;
+        }
+        if let Event {
+            kind: EventKind::Modify(_),
+            paths,
+            ..
+        } = event
+        {
+            for path in paths {
+                match self.watching.get_mut(&path) {
+                    Some((reloader, ref mut signals)) => {
+                        if !signals.is_empty() {
+                            // Reload this file
+                            reloader();
+
+                            signals.retain(|signal| match signal.upgrade() {
+                                Some(signal) => {
+                                    signal.store(true, Ordering::Release);
+                                    true
+                                }
+                                None => false,
+                            });
+                        }
+                        // If there is no one to signal stop watching this path
+                        if signals.is_empty() {
+                            if let Err(err) = self.watcher.unwatch(&path) {
+                                warn!("Error unwatching: {}", err);
+                            }
+                            self.watching.remove(&path);
+                        }
+                    }
+                    None => {
+                        warn!("Watching {:#?} but there are no signals for this path. The path will be unwatched.", path);
+                        if let Err(err) = self.watcher.unwatch(&path) {
+                            warn!("Error unwatching: {}", err);
+                        }
+                    }
+                }
+            }
+        }
+    }
+    fn run(mut self) -> Sender<(PathBuf, Handler, Weak<AtomicBool>)> {
+        let (watch_tx, watch_rx) = unbounded();
+
+        thread::spawn(move || {
+            loop {
+                select! {
+                    recv(watch_rx) -> res => match res {
+                        Ok((path, handler, signal)) => self.watch(path, handler, signal),
+                        // Disconnected
+                        Err(_) => (),
+                    },
+                    recv(self.event_rx) -> res => match res {
+                        Ok(Ok(event)) => self.handle_event(event),
+                        // Notify Error
+                        Ok(Err(err)) => error!("Notify error: {}", err),
+                        // Disconnected
+                        Err(_) => (),
+                    },
+                }
+            }
+        });
+
+        watch_tx
+    }
+}
+
+pub struct ReloadIndicator {
+    reloaded: Arc<AtomicBool>,
+    // Paths that have already been added
+    paths: Vec<PathBuf>,
+}
+impl ReloadIndicator {
+    pub fn new() -> Self {
+        Self {
+            reloaded: Arc::new(AtomicBool::new(false)),
+            paths: Vec::new(),
+        }
+    }
+    pub fn add<F>(&mut self, path: PathBuf, reloader: F)
+    where
+        F: 'static + Fn() + Send,
+    {
+        // Check to see if this was already added
+        if self.paths.iter().any(|p| *p == path) {
+            // Nothing else needs to be done
+            return;
+        } else {
+            self.paths.push(path.clone());
+        };
+
+        if WATCHER_TX
+            .lock()
+            .unwrap()
+            .send((path, Box::new(reloader), Arc::downgrade(&self.reloaded)))
+            .is_err()
+        {
+            error!("Could not add. Asset watcher channel disconnected.");
+        }
+    }
+    // Returns true if the watched file was changed
+    pub fn reloaded(&self) -> bool {
+        self.reloaded.swap(false, Ordering::Acquire)
+    }
+}

common/src/util/mod.rs

@@ -1 +1,100 @@
 pub const GIT_HASH: &str = include_str!(concat!(env!("OUT_DIR"), "/githash"));
+
+use vek::{Rgb, Rgba, Vec3};
+
+#[inline(always)]
+pub fn srgb_to_linear(col: Rgb<f32>) -> Rgb<f32> {
+    #[inline(always)]
+    fn to_linear(x: f32) -> f32 {
+        if x <= 0.04045 {
+            x / 12.92
+        } else {
+            ((x + 0.055) / 1.055).powf(2.4)
+        }
+    }
+    col.map(to_linear)
+}
+#[inline(always)]
+pub fn linear_to_srgb(col: Rgb<f32>) -> Rgb<f32> {
+    #[inline(always)]
+    fn to_srgb(x: f32) -> f32 {
+        if x <= 0.0031308 {
+            x * 12.92
+        } else {
+            x.powf(1.0 / 2.4) * 1.055 - 0.055
+        }
+    }
+    col.map(to_srgb)
+}
+#[inline(always)]
+pub fn srgba_to_linear(col: Rgba<f32>) -> Rgba<f32> {
+    Rgba::from_translucent(srgb_to_linear(Rgb::from(col)), col.a)
+}
+#[inline(always)]
+pub fn linear_to_srgba(col: Rgba<f32>) -> Rgba<f32> {
+    Rgba::from_translucent(linear_to_srgb(Rgb::from(col)), col.a)
+}
+
+/// Convert rgb to hsv. Expects rgb to be [0, 1].
+#[inline(always)]
+pub fn rgb_to_hsv(rgb: Rgb<f32>) -> Vec3<f32> {
+    let (r, g, b) = rgb.into_tuple();
+    let (max, min, diff, add) = {
+        let (max, min, diff, add) = if r > g {
+            (r, g, g - b, 0.0)
+        } else {
+            (g, r, b - r, 2.0)
+        };
+        if b > max {
+            (b, min, r - g, 4.0)
+        } else {
+            (max, b.min(min), diff, add)
+        }
+    };
+
+    let v = max;
+    let h = if max == min {
+        0.0
+    } else {
+        let mut h = (60.0 * (add + diff / (max - min)));
+        if h < 0.0 {
+            h += 360.0;
+        }
+        h
+    };
+    let s = if max == 0.0 { 0.0 } else { (max - min) / max };
+
+    Vec3::new(h, s, v)
+}
+/// Convert hsv to rgb. Expects h [0, 360], s [0, 1], v [0, 1]
+#[inline(always)]
+pub fn hsv_to_rgb(hsv: Vec3<f32>) -> Rgb<f32> {
+    let (h, s, v) = hsv.into_tuple();
+    let c = s * v;
+    let h = h / 60.0;
+    let x = c * (1.0 - (h % 2.0 - 1.0).abs());
+    let m = v - c;
+
+    let (r, g, b) = if h >= 0.0 && h <= 1.0 {
+        (c, x, 0.0)
+    } else if h <= 2.0 {
+        (x, c, 0.0)
+    } else if h <= 3.0 {
+        (0.0, c, x)
+    } else if h <= 4.0 {
+        (0.0, x, c)
+    } else if h <= 5.0 {
+        (x, 0.0, c)
+    } else {
+        (c, 0.0, x)
+    };
+
+    Rgb::new(r + m, g + m, b + m)
+}
+
+#[inline(always)]
+pub fn saturate_srgb(col: Rgb<f32>, value: f32) -> Rgb<f32> {
+    let mut hsv = rgb_to_hsv(srgb_to_linear(col));
+    hsv.y *= 1.0 + value;
+    linear_to_srgb(hsv_to_rgb(hsv).map(|e| e.min(1.0).max(0.0)))
+}

voxygen/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "veloren-voxygen"
 version = "0.3.0"
-authors = ["Joshua Barretto <joshua.s.barretto@gmail.com>"]
+authors = ["Joshua Barretto <joshua.s.barretto@gmail.com>", "Imbris <imbrisf@gmail.com>"]
 edition = "2018"
 default-run = "veloren-voxygen"
 

voxygen/src/menu/char_selection/ui.rs

@@ -147,11 +147,11 @@ image_ids! {
         charlist_frame: "voxygen.element.frames.window_4",
         server_frame: "voxygen.element.frames.server_frame",
         selection: "voxygen.element.frames.selection",
-
-        <ImageGraphic>
         slider_range: "voxygen.element.slider.track",
         slider_indicator: "voxygen.element.slider.indicator",
 
+        <ImageGraphic>
+
         // Tool Icons
         daggers: "voxygen.element.icons.daggers",
         sword: "voxygen.element.icons.sword",

voxygen/src/mesh/segment.rs

@@ -4,6 +4,7 @@ use crate::{
 };
 use common::{
     figure::Segment,
+    util::{linear_to_srgb, srgb_to_linear},
     vol::{ReadVol, SizedVol},
 };
 use vek::*;
@@ -28,7 +29,12 @@ impl Meshable for Segment {
                     offs + pos.map(|e| e as f32),
                     col,
                     |origin, norm, col, ao, light| {
-                        FigureVertex::new(origin, norm, col * ao * light, 0)
+                        FigureVertex::new(
+                            origin,
+                            norm,
+                            linear_to_srgb(srgb_to_linear(col) * ao * light),
+                            0,
+                        )
                     },
                     true,
                     &[[[1.0; 3]; 3]; 3],

voxygen/src/render/pipelines/terrain.rs

@@ -54,9 +54,9 @@ impl Vertex {
                 | ((pos.z.max(0.0).min((1 << 13) as f32) as u32) & 0x1FFF) << 16
                 | ((norm_bits as u32) & 0x7) << 29,
             col_light: 0
-                | ((col.r.mul(200.0) as u32) & 0xFF) << 8
-                | ((col.g.mul(200.0) as u32) & 0xFF) << 16
-                | ((col.b.mul(200.0) as u32) & 0xFF) << 24
+                | ((col.r.mul(255.0) as u32) & 0xFF) << 8
+                | ((col.g.mul(255.0) as u32) & 0xFF) << 16
+                | ((col.b.mul(255.0) as u32) & 0xFF) << 24
                 | ((light.mul(255.0) as u32) & 0xFF) << 0,
         }
     }

voxygen/src/render/renderer.rs

@@ -7,21 +7,23 @@ use super::{
     texture::Texture,
     Pipeline, RenderError,
 };
+use common::assets::{self, watch::ReloadIndicator};
 use gfx::{
     self,
     handle::Sampler,
     traits::{Device, Factory, FactoryExt},
 };
 use glsl_include::Context as IncludeContext;
+use log::error;
 use vek::*;
 
 /// Represents the format of the pre-processed color target.
-pub type TgtColorFmt = gfx::format::Rgba16F;
+pub type TgtColorFmt = gfx::format::Srgba8;
 /// Represents the format of the pre-processed depth target.
 pub type TgtDepthFmt = gfx::format::Depth;
 
 /// Represents the format of the window's color target.
-pub type WinColorFmt = gfx::format::Rgba8;
+pub type WinColorFmt = gfx::format::Srgba8;
 /// Represents the format of the window's depth target.
 pub type WinDepthFmt = gfx::format::Depth;
 
@@ -64,6 +66,8 @@ pub struct Renderer {
     terrain_pipeline: GfxPipeline<terrain::pipe::Init<'static>>,
     ui_pipeline: GfxPipeline<ui::pipe::Init<'static>>,
     postprocess_pipeline: GfxPipeline<postprocess::pipe::Init<'static>>,
+
+    shader_reload_indicator: ReloadIndicator,
 }
 
 impl Renderer {
@@ -74,74 +78,10 @@ impl Renderer {
         win_color_view: WinColorView,
         win_depth_view: WinDepthView,
     ) -> Result<Self, RenderError> {
-        let globals = include_str!(concat!(
-            env!("CARGO_MANIFEST_DIR"),
-            "/shaders/include/globals.glsl"
-        ));
-        let sky = include_str!(concat!(
-            env!("CARGO_MANIFEST_DIR"),
-            "/shaders/include/sky.glsl"
-        ));
-        let light = include_str!(concat!(
-            env!("CARGO_MANIFEST_DIR"),
-            "/shaders/include/light.glsl"
-        ));
+        let mut shader_reload_indicator = ReloadIndicator::new();
 
-        let mut include_ctx = IncludeContext::new();
-        include_ctx.include("globals.glsl", globals);
-        include_ctx.include("sky.glsl", sky);
-        include_ctx.include("light.glsl", light);
-
-        // Construct a pipeline for rendering skyboxes
-        let skybox_pipeline = create_pipeline(
-            &mut factory,
-            skybox::pipe::new(),
-            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/shaders/skybox.vert")),
-            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/shaders/skybox.frag")),
-            &include_ctx,
-        )?;
-
-        // Construct a pipeline for rendering figures
-        let figure_pipeline = create_pipeline(
-            &mut factory,
-            figure::pipe::new(),
-            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/shaders/figure.vert")),
-            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/shaders/figure.frag")),
-            &include_ctx,
-        )?;
-
-        // Construct a pipeline for rendering terrain
-        let terrain_pipeline = create_pipeline(
-            &mut factory,
-            terrain::pipe::new(),
-            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/shaders/terrain.vert")),
-            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/shaders/terrain.frag")),
-            &include_ctx,
-        )?;
-
-        // Construct a pipeline for rendering UI elements
-        let ui_pipeline = create_pipeline(
-            &mut factory,
-            ui::pipe::new(),
-            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/shaders/ui.vert")),
-            include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/shaders/ui.frag")),
-            &include_ctx,
-        )?;
-
-        // Construct a pipeline for rendering our post-processing
-        let postprocess_pipeline = create_pipeline(
-            &mut factory,
-            postprocess::pipe::new(),
-            include_str!(concat!(
-                env!("CARGO_MANIFEST_DIR"),
-                "/shaders/postprocess.vert"
-            )),
-            include_str!(concat!(
-                env!("CARGO_MANIFEST_DIR"),
-                "/shaders/postprocess.frag"
-            )),
-            &include_ctx,
-        )?;
+        let (skybox_pipeline, figure_pipeline, terrain_pipeline, ui_pipeline, postprocess_pipeline) =
+            create_pipelines(&mut factory, &mut shader_reload_indicator)?;
 
         let dims = win_color_view.get_dimensions();
         let (tgt_color_view, tgt_depth_view, tgt_color_res) =
@@ -168,6 +108,8 @@ impl Renderer {
             terrain_pipeline,
             ui_pipeline,
             postprocess_pipeline,
+
+            shader_reload_indicator,
         })
     }
 
@@ -242,6 +184,29 @@ impl Renderer {
     pub fn flush(&mut self) {
         self.encoder.flush(&mut self.device);
         self.device.cleanup();
+
+        // If the shaders files were changed attempt to recreate the shaders
+        if self.shader_reload_indicator.reloaded() {
+            match create_pipelines(&mut self.factory, &mut self.shader_reload_indicator) {
+                Ok((
+                    skybox_pipeline,
+                    figure_pipeline,
+                    terrain_pipline,
+                    ui_pipeline,
+                    postprocess_pipeline,
+                )) => {
+                    self.skybox_pipeline = skybox_pipeline;
+                    self.figure_pipeline = figure_pipeline;
+                    self.terrain_pipeline = terrain_pipline;
+                    self.ui_pipeline = ui_pipeline;
+                    self.postprocess_pipeline = postprocess_pipeline;
+                }
+                Err(e) => error!(
+                    "Could not recreate shaders from assets due to an error: {:#?}",
+                    e
+                ),
+            }
+        }
     }
 
     /// Create a new set of constants with the provided values.
@@ -488,6 +453,109 @@ struct GfxPipeline<P: gfx::pso::PipelineInit> {
     pso: gfx::pso::PipelineState<gfx_backend::Resources, P::Meta>,
 }
 
+/// Creates all the pipelines used to render.
+fn create_pipelines(
+    factory: &mut gfx_backend::Factory,
+    shader_reload_indicator: &mut ReloadIndicator,
+) -> Result<
+    (
+        GfxPipeline<skybox::pipe::Init<'static>>,
+        GfxPipeline<figure::pipe::Init<'static>>,
+        GfxPipeline<terrain::pipe::Init<'static>>,
+        GfxPipeline<ui::pipe::Init<'static>>,
+        GfxPipeline<postprocess::pipe::Init<'static>>,
+    ),
+    RenderError,
+> {
+    let globals =
+        assets::load_watched::<String>("voxygen.shaders.include.globals", shader_reload_indicator)
+            .unwrap();
+    let sky =
+        assets::load_watched::<String>("voxygen.shaders.include.sky", shader_reload_indicator)
+            .unwrap();
+    let light =
+        assets::load_watched::<String>("voxygen.shaders.include.light", shader_reload_indicator)
+            .unwrap();
+    let srgb =
+        assets::load_watched::<String>("voxygen.shaders.include.srgb", shader_reload_indicator)
+            .unwrap();
+
+    let mut include_ctx = IncludeContext::new();
+    include_ctx.include("globals.glsl", &globals);
+    include_ctx.include("sky.glsl", &sky);
+    include_ctx.include("light.glsl", &light);
+    include_ctx.include("srgb.glsl", &srgb);
+
+    // Construct a pipeline for rendering skyboxes
+    let skybox_pipeline = create_pipeline(
+        factory,
+        skybox::pipe::new(),
+        &assets::load_watched::<String>("voxygen.shaders.skybox-vert", shader_reload_indicator)
+            .unwrap(),
+        &assets::load_watched::<String>("voxygen.shaders.skybox-frag", shader_reload_indicator)
+            .unwrap(),
+        &include_ctx,
+    )?;
+
+    // Construct a pipeline for rendering figures
+    let figure_pipeline = create_pipeline(
+        factory,
+        figure::pipe::new(),
+        &assets::load_watched::<String>("voxygen.shaders.figure-vert", shader_reload_indicator)
+            .unwrap(),
+        &assets::load_watched::<String>("voxygen.shaders.figure-frag", shader_reload_indicator)
+            .unwrap(),
+        &include_ctx,
+    )?;
+
+    // Construct a pipeline for rendering terrain
+    let terrain_pipeline = create_pipeline(
+        factory,
+        terrain::pipe::new(),
+        &assets::load_watched::<String>("voxygen.shaders.terrain-vert", shader_reload_indicator)
+            .unwrap(),
+        &assets::load_watched::<String>("voxygen.shaders.terrain-frag", shader_reload_indicator)
+            .unwrap(),
+        &include_ctx,
+    )?;
+
+    // Construct a pipeline for rendering UI elements
+    let ui_pipeline = create_pipeline(
+        factory,
+        ui::pipe::new(),
+        &assets::load_watched::<String>("voxygen.shaders.ui-vert", shader_reload_indicator)
+            .unwrap(),
+        &assets::load_watched::<String>("voxygen.shaders.ui-frag", shader_reload_indicator)
+            .unwrap(),
+        &include_ctx,
+    )?;
+
+    // Construct a pipeline for rendering our post-processing
+    let postprocess_pipeline = create_pipeline(
+        factory,
+        postprocess::pipe::new(),
+        &assets::load_watched::<String>(
+            "voxygen.shaders.postprocess-vert",
+            shader_reload_indicator,
+        )
+        .unwrap(),
+        &assets::load_watched::<String>(
+            "voxygen.shaders.postprocess-frag",
+            shader_reload_indicator,
+        )
+        .unwrap(),
+        &include_ctx,
+    )?;
+
+    Ok((
+        skybox_pipeline,
+        figure_pipeline,
+        terrain_pipeline,
+        ui_pipeline,
+        postprocess_pipeline,
+    ))
+}
+
 /// Create a new pipeline from the provided vertex shader and fragment shader.
 fn create_pipeline<'a, P: gfx::pso::PipelineInit>(
     factory: &mut gfx_backend::Factory,

voxygen/src/ui/graphic/renderer.rs

@@ -1,6 +1,6 @@
-use super::super::{linear_to_srgb, srgb_to_linear};
 use common::{
     figure::Segment,
+    util::{linear_to_srgba, srgba_to_linear},
     vol::{ReadVol, SizedVol, Vox},
 };
 use euc::{buffer::Buffer2d, rasterizer, Pipeline};
@@ -46,13 +46,13 @@ impl<'a> Pipeline for Voxel {
         }: &Self::Vertex,
     ) -> ([f32; 3], Self::VsOut) {
         let light = Rgba::from_opaque(Rgb::from(*ao_level as f32 / 4.0 + 0.25));
-        let color = light * srgb_to_linear(Rgba::from_opaque(*col));
+        let color = light * srgba_to_linear(Rgba::from_opaque(*col));
         let position = Vec3::from(self.mvp * Vec4::from_point(*pos)).into_array();
         (position, color)
     }
     #[inline(always)]
     fn frag(&self, color: &Self::VsOut) -> Self::Pixel {
-        linear_to_srgb(*color)
+        linear_to_srgba(*color)
             .map(|e| (e * 255.0) as u8)
             .into_array()
     }

voxygen/src/ui/mod.rs

@@ -2,7 +2,6 @@ mod cache;
 mod event;
 mod graphic;
 mod scale;
-mod util;
 mod widgets;
 #[macro_use]
 pub mod img_ids;
@@ -28,7 +27,7 @@ use crate::{
     Error,
 };
 use cache::Cache;
-use common::assets;
+use common::{assets, util::srgba_to_linear};
 use conrod_core::{
     event::Input,
     graph::Graph,
@@ -48,7 +47,6 @@ use std::{
     sync::Arc,
     time::Duration,
 };
-use util::{linear_to_srgb, srgb_to_linear};
 use vek::*;
 use widgets::tooltip::TooltipManager;
 
@@ -406,7 +404,7 @@ impl Ui {
                     }
 
                     let color =
-                        srgb_to_linear(color.unwrap_or(conrod_core::color::WHITE).to_fsa().into());
+                        srgba_to_linear(color.unwrap_or(conrod_core::color::WHITE).to_fsa().into());
 
                     let resolution = Vec2::new(
                         (rect.w() * p_scale_factor).round() as u16,
@@ -485,7 +483,7 @@ impl Ui {
                         })
                         .unwrap();
 
-                    let color = srgb_to_linear(color.to_fsa().into());
+                    let color = srgba_to_linear(color.to_fsa().into());
 
                     for g in positioned_glyphs {
                         if let Ok(Some((uv_rect, screen_rect))) =
@@ -514,7 +512,7 @@ impl Ui {
                     }
                 }
                 PrimitiveKind::Rectangle { color } => {
-                    let color = srgb_to_linear(color.to_fsa().into());
+                    let color = srgba_to_linear(color.to_fsa().into());
                     // Don't draw a transparent rectangle.
                     if color[3] == 0.0 {
                         continue;
@@ -534,7 +532,7 @@ impl Ui {
                 }
                 PrimitiveKind::TrianglesSingleColor { color, triangles } => {
                     // Don't draw transparent triangle or switch state if there are actually no triangles.
-                    let color = srgb_to_linear(Rgba::from(Into::<[f32; 4]>::into(color)));
+                    let color = srgba_to_linear(Rgba::from(Into::<[f32; 4]>::into(color)));
                     if triangles.is_empty() || color[3] == 0.0 {
                         continue;
                     }

voxygen/src/ui/util.rs

@@ -1,36 +0,0 @@
-use vek::*;
-
-#[inline(always)]
-pub fn srgb_to_linear(c: Rgba<f32>) -> Rgba<f32> {
-    #[inline(always)]
-    fn to_linear(x: f32) -> f32 {
-        if x <= 0.04045 {
-            x / 12.92
-        } else {
-            ((x + 0.055) / 1.055).powf(2.4)
-        }
-    }
-    Rgba {
-        r: to_linear(c.r),
-        g: to_linear(c.g),
-        b: to_linear(c.b),
-        a: c.a,
-    }
-}
-#[inline(always)]
-pub fn linear_to_srgb(c: Rgba<f32>) -> Rgba<f32> {
-    #[inline(always)]
-    fn to_srgb(x: f32) -> f32 {
-        if x <= 0.0031308 {
-            x * 12.92
-        } else {
-            x.powf(1.0 / 2.4) * 1.055 - 0.055
-        }
-    }
-    Rgba {
-        r: to_srgb(c.r),
-        g: to_srgb(c.g),
-        b: to_srgb(c.b),
-        a: c.a,
-    }
-}

world/src/block/mod.rs

@@ -7,6 +7,7 @@ use crate::{
 };
 use common::{
     terrain::{structure::StructureBlock, Block, Structure},
+    util::saturate_srgb,
     vol::{ReadVol, Vox},
 };
 use noise::NoiseFn;
@@ -208,7 +209,9 @@ impl<'a> BlockGen<'a> {
 
         // Sample blocks
 
-        let stone_col = Rgb::new(240, 230, 220);
+        // let stone_col = Rgb::new(240, 230, 220);
+        let stone_col = Rgb::new(195, 187, 201);
+
         // let dirt_col = Rgb::new(79, 67, 60);
 
         let air = Block::empty();
@@ -217,12 +220,14 @@ impl<'a> BlockGen<'a> {
         // let dirt = Block::new(1, dirt_col);
         // let sand = Block::new(1, Rgb::new(180, 150, 50));
         // let warm_stone = Block::new(1, Rgb::new(165, 165, 130));
-        let water = Block::new(1, Rgb::new(100, 150, 255));
+
+        //let water = Block::new(1, Rgb::new(100, 150, 255));
+        let water = Block::new(1, Rgb::new(0, 24, 255));
 
         let grass_depth = 1.5 + 2.0 * chaos;
         let block = if (wposf.z as f32) < height - grass_depth {
             let col = Lerp::lerp(
-                sub_surface_color.map(|e| (e * 255.0) as u8),
+                saturate_srgb(sub_surface_color, 0.45).map(|e| (e * 255.0) as u8),
                 stone_col,
                 (height - grass_depth - wposf.z as f32) * 0.15,
             );
@@ -242,7 +247,10 @@ impl<'a> BlockGen<'a> {
                     .powf(0.5),
             );
             // Surface
-            Some(Block::new(1, col.map(|e| (e * 255.0) as u8)))
+            Some(Block::new(
+                1,
+                saturate_srgb(col, 0.45).map(|e| (e * 255.0) as u8),
+            ))
         } else if (wposf.z as f32) < water_height {
             // Ocean
             Some(water)
@@ -279,9 +287,9 @@ impl<'a> BlockGen<'a> {
                     1,
                     stone_col
                         - Rgb::new(
-                            field0.get(wpos) as u8 % 32,
-                            field1.get(wpos) as u8 % 32,
-                            field2.get(wpos) as u8 % 32,
+                            field0.get(wpos) as u8 % 16,
+                            field1.get(wpos) as u8 % 16,
+                            field2.get(wpos) as u8 % 16,
                         ),
                 ))
             } else {
@@ -407,7 +415,7 @@ impl StructureInfo {
                             .map(|e: i32| (e.abs() / 2) * 2)
                             .reduce_max()
                 {
-                    Some(Block::new(2, Rgb::new(180, 140, 90)))
+                    Some(Block::new(2, Rgb::new(203, 170, 146)))
                 } else {
                     None
                 }
@@ -445,35 +453,39 @@ fn block_from_structure(
     match sblock {
         StructureBlock::TemperateLeaves => Some(Block::new(
             1,
-            Lerp::lerp(Rgb::new(0.0, 70.0, 35.0), Rgb::new(100.0, 140.0, 0.0), lerp)
-                .map(|e| e as u8),
+            Lerp::lerp(
+                Rgb::new(0.0, 132.0, 94.0),
+                Rgb::new(142.0, 181.0, 0.0),
+                lerp,
+            )
+            .map(|e| e as u8),
         )),
         StructureBlock::PineLeaves => Some(Block::new(
             1,
-            Lerp::lerp(Rgb::new(0.0, 60.0, 50.0), Rgb::new(30.0, 100.0, 10.0), lerp)
-                .map(|e| e as u8),
+            Lerp::lerp(
+                Rgb::new(0.0, 108.0, 113.0),
+                Rgb::new(30.0, 156.0, 10.0),
+                lerp,
+            )
+            .map(|e| e as u8),
         )),
         StructureBlock::PalmLeaves => Some(Block::new(
             1,
             Lerp::lerp(
-                Rgb::new(15.0, 100.0, 30.0),
-                Rgb::new(55.0, 220.0, 0.0),
+                Rgb::new(15.0, 156.0, 70.0),
+                Rgb::new(40.0, 222.0, 0.0),
                 lerp,
             )
             .map(|e| e as u8),
         )),
         StructureBlock::Acacia => Some(Block::new(
             1,
-            Lerp::lerp(
-                Rgb::new(35.0, 100.0, 10.0),
-                Rgb::new(70.0, 190.0, 25.0),
-                lerp,
-            )
-            .map(|e| e as u8),
+            Lerp::lerp(Rgb::new(35.0, 156.0, 0.0), Rgb::new(62.0, 208.0, 0.0), lerp)
+                .map(|e| e as u8),
         )),
         StructureBlock::Fruit => Some(Block::new(
             1,
-            Lerp::lerp(Rgb::new(255.0, 0.0, 0.0), Rgb::new(200.0, 255.0, 6.0), lerp)
+            Lerp::lerp(Rgb::new(237.0, 0.0, 0.0), Rgb::new(200.0, 237.0, 0.0), lerp)
                 .map(|e| e as u8),
         )),
         StructureBlock::Hollow => Some(Block::empty()),

world/src/column/mod.rs

@@ -188,24 +188,28 @@ impl<'a> Sampler for ColumnGen<'a> {
             .add(marble_small.sub(0.5).mul(0.25));
 
         // Colours
-        let cold_grass = Rgb::new(0.0, 0.25, 0.13);
-        let warm_grass = Rgb::new(0.18, 0.65, 0.0);
-        let cold_stone = Rgb::new(0.55, 0.7, 0.75);
-        let warm_stone = Rgb::new(0.65, 0.65, 0.35);
-        let beach_sand = Rgb::new(0.9, 0.85, 0.3);
-        let desert_sand = Rgb::new(1.0, 0.7, 0.15);
-        let snow = Rgb::broadcast(1.0);
+        let cold_grass = Rgb::new(0.0, 0.49, 0.42);
+        let warm_grass = Rgb::new(0.03, 0.8, 0.0);
+        let cold_stone = Rgb::new(0.57, 0.67, 0.8);
+        let warm_stone = Rgb::new(0.77, 0.77, 0.64);
+        let beach_sand = Rgb::new(0.89, 0.87, 0.64);
+        let desert_sand = Rgb::new(0.93, 0.80, 0.54);
+        let snow = Rgb::broadcast(0.77);
 
-        let dirt = Lerp::lerp(Rgb::new(0.2, 0.1, 0.05), Rgb::new(0.4, 0.25, 0.0), marble);
+        let dirt = Lerp::lerp(
+            Rgb::new(0.078, 0.078, 0.20),
+            Rgb::new(0.61, 0.49, 0.0),
+            marble,
+        );
         let cliff = Rgb::lerp(cold_stone, warm_stone, marble);
 
-        let grass = Rgb::lerp(cold_grass, warm_grass, marble);
+        let grass = Rgb::lerp(cold_grass, warm_grass, marble.powf(1.5));
         let sand = Rgb::lerp(beach_sand, desert_sand, marble);
 
         let tropical = Rgb::lerp(
             grass,
-            Rgb::new(0.85, 0.4, 0.2),
-            marble_small.sub(0.5).mul(0.2).add(0.75),
+            Rgb::new(0.87, 0.62, 0.56),
+            marble_small.sub(0.5).mul(0.2).add(0.75).powf(0.667),
         );
 
         let ground = Rgb::lerp(