Better reflections and water fog

assets/voxygen/shaders/figure-frag.glsl

@@ -31,7 +31,7 @@ void main() {
 	vec3 light = get_sun_diffuse(f_norm, time_of_day.x) + light_at(f_pos, f_norm);
 	vec3 surf_color = srgb_to_linear(model_col.rgb * f_col) * 4.0 * light;
 
-	float fog_level = fog(f_pos.xy, focus_pos.xy);
+	float fog_level = fog(f_pos.xyz, focus_pos.xyz, medium.x);
 	vec3 fog_color = get_sky_color(normalize(f_pos - cam_pos.xyz), time_of_day.x);
 	vec3 color = mix(surf_color, fog_color, fog_level);
 

assets/voxygen/shaders/fluid-frag.glsl

@@ -7,7 +7,6 @@ in vec3 f_pos;
 flat in vec3 f_norm;
 in vec3 f_col;
 in float f_light;
-in float f_opac;
 
 layout (std140)
 uniform u_locals {
@@ -20,18 +19,19 @@ out vec4 tgt_color;
 #include <light.glsl>
 
 void main() {
-    vec3 light = get_sun_diffuse(f_norm, time_of_day.x) * f_light + light_at(f_pos, f_norm);
+    vec3 warped_norm = normalize(f_norm + smooth_rand(f_pos * 0.35, tick.x) * 0.2);
+
+	vec3 light = get_sun_diffuse(warped_norm, time_of_day.x) * f_light + light_at(f_pos, warped_norm);
 	vec3 surf_color = f_col * light;
 
-	float fog_level = fog(f_pos.xy, focus_pos.xy);
+	float fog_level = fog(f_pos.xyz, focus_pos.xyz, medium.x);
     vec3 fog_color = get_sky_color(normalize(f_pos - cam_pos.xyz), time_of_day.x);
 
 	vec3 cam_to_frag = normalize(f_pos - cam_pos.xyz);
-	vec3 warped_norm = normalize(f_norm + smooth_rand(f_pos * 0.35, tick.x) * 0.2);
+	vec3 reflect_color = get_sky_color(reflect(cam_to_frag, warped_norm), time_of_day.x) * f_light;
-	vec3 reflect_color = get_sky_color(reflect(cam_to_frag, warped_norm), time_of_day.x) * light;
+	float passthrough = dot(faceforward(warped_norm, warped_norm, cam_to_frag), -cam_to_frag);
-	float passthrough = dot(faceforward(f_norm, f_norm, cam_to_frag), -cam_to_frag);
 
-	vec4 color = mix(vec4(reflect_color, 1.0), vec4(surf_color, f_opac), passthrough);
+	vec4 color = mix(vec4(reflect_color, 1.0), vec4(surf_color, 0.8 / (1.0 + light * 2.0)), passthrough);
 
-    tgt_color = mix(color, vec4(fog_color, 1.0), fog_level);
+    tgt_color = mix(color, vec4(fog_color, 0.0), fog_level);
 }

assets/voxygen/shaders/fluid-vert.glsl

@@ -14,7 +14,6 @@ out vec3 f_pos;
 flat out vec3 f_norm;
 out vec3 f_col;
 out float f_light;
-out float f_opac;
 
 // First 3 normals are negative, next 3 are positive
 vec3 normals[6] = vec3[]( vec3(-1,0,0), vec3(0,-1,0), vec3(0,0,-1), vec3(1,0,0), vec3(0,1,0), vec3(0,0,1) );
@@ -43,8 +42,6 @@ void main() {
 
     f_light = float(v_col_light & 0xFFu) / 255.0;
 
-	f_opac = 0.3;
-
     gl_Position =
 		proj_mat *
 		view_mat *

assets/voxygen/shaders/include/globals.glsl

@@ -9,4 +9,5 @@ uniform u_globals {
 	vec4 tick;
 	vec4 screen_res;
 	uvec4 light_count;
+	uvec4 medium;
 };

assets/voxygen/shaders/include/sky.glsl

@@ -144,11 +144,20 @@ vec3 get_sky_color(vec3 dir, float time_of_day) {
 	return sky_color + sun_light;
 }
 
-float fog(vec2 f_pos, vec2 focus_pos) {
+float fog(vec3 f_pos, vec3 focus_pos, uint medium) {
-	float dist = distance(f_pos, focus_pos) / view_distance.x;
+	float fog_radius = view_distance.x;
-	const float min_fog = 0.5;
+	float mist_radius = 10000000.0;
-	const float max_fog = 1.0;
-	const float diff_fog = 0.5; // max - min
 
-	return pow(clamp((dist - min_fog) / (diff_fog), 0.0, 1.0), 1.7);
+	float min_fog = 0.5;
+	float max_fog = 1.0;
+
+	if (medium == 1u) {
+		mist_radius = 32.0;
+		min_fog = 0.0;
+	}
+
+	float fog = distance(f_pos.xy, focus_pos.xy) / fog_radius;
+	float mist = distance(f_pos, focus_pos) / mist_radius;
+
+	return pow(clamp((max(fog, mist) - min_fog) / (max_fog - min_fog), 0.0, 1.0), 1.7);
 }

assets/voxygen/shaders/terrain-frag.glsl

@@ -21,7 +21,7 @@ void main() {
 	vec3 light = get_sun_diffuse(f_norm, time_of_day.x) * f_light + light_at(f_pos, f_norm);
 	vec3 surf_color = f_col * light;
 
-	float fog_level = fog(f_pos.xy, focus_pos.xy);
+	float fog_level = fog(f_pos.xyz, focus_pos.xyz, medium.x);
 	vec3 fog_color = get_sky_color(normalize(f_pos - cam_pos.xyz), time_of_day.x);
 	vec3 color = mix(surf_color, fog_color, fog_level);
 

voxygen/src/menu/char_selection/scene.rs

@@ -17,6 +17,7 @@ use client::Client;
 use common::{
     comp::{humanoid, Body},
     state::DeltaTime,
+    terrain::BlockKind,
 };
 use log::error;
 use vek::*;
@@ -102,6 +103,7 @@ impl Scene {
                 client.state().get_time(),
                 renderer.get_resolution(),
                 0,
+                BlockKind::Air,
             )],
         ) {
             error!("Renderer failed to update: {:?}", err);

voxygen/src/mesh/terrain.rs

@@ -18,7 +18,7 @@ fn block_shadow_density(kind: BlockKind) -> (f32, f32) {
         BlockKind::Air => (0.0, 0.0),
         BlockKind::Normal => (0.085, 0.3),
         BlockKind::Dense => (0.3, 0.0),
-        BlockKind::Water => (0.08, 0.0),
+        BlockKind::Water => (0.15, 0.0),
     }
 }
 

voxygen/src/render/pipelines/mod.rs

@@ -6,6 +6,7 @@ pub mod terrain;
 pub mod ui;
 
 use super::util::arr_to_mat;
+use common::terrain::BlockKind;
 use gfx::{
     self,
     gfx_constant_struct_meta,
@@ -27,6 +28,7 @@ gfx_defines! {
         tick: [f32; 4] = "tick",
         screen_res: [f32; 4] = "screen_res",
         light_count: [u32; 4] = "light_count",
+        medium: [u32; 4] = "medium",
     }
 
     constant Light {
@@ -47,6 +49,7 @@ impl Globals {
         tick: f64,
         screen_res: Vec2<u16>,
         light_count: usize,
+        medium: BlockKind,
     ) -> Self {
         Self {
             view_mat: arr_to_mat(view_mat.into_col_array()),
@@ -58,6 +61,7 @@ impl Globals {
             tick: [tick as f32; 4],
             screen_res: Vec4::from(screen_res.map(|e| e as f32)).into_array(),
             light_count: [light_count as u32; 4],
+            medium: [if medium.is_fluid() { 1 } else { 0 }; 4],
         }
     }
 }
@@ -74,6 +78,7 @@ impl Default for Globals {
             0.0,
             Vec2::new(800, 500),
             0,
+            BlockKind::Air,
         )
     }
 }

voxygen/src/scene/mod.rs

@@ -15,7 +15,7 @@ use crate::{
     window::Event,
 };
 use client::Client;
-use common::comp;
+use common::{comp, terrain::BlockKind, vol::ReadVol};
 use specs::Join;
 use vek::*;
 
@@ -194,6 +194,12 @@ impl Scene {
                     client.state().get_time(),
                     renderer.get_resolution(),
                     lights.len(),
+                    client
+                        .state()
+                        .terrain()
+                        .get(cam_pos.map(|e| e.floor() as i32))
+                        .map(|b| b.kind())
+                        .unwrap_or(BlockKind::Air),
                 )],
             )
             .expect("Failed to update global constants");

world/src/block/mod.rs

@@ -225,7 +225,7 @@ impl<'a> BlockGen<'a> {
         // 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(BlockKind::Water, Rgb::new(0, 24, 255));
+        let water = Block::new(BlockKind::Water, Rgb::new(60, 90, 190));
 
         let grass_depth = 1.5 + 2.0 * chaos;
         let block = if (wposf.z as f32) < height - grass_depth {

world/src/lib.rs

@@ -60,7 +60,7 @@ impl World {
     pub fn generate_chunk(&self, chunk_pos: Vec2<i32>) -> (TerrainChunk, ChunkSupplement) {
         let air = Block::empty();
         let stone = Block::new(BlockKind::Dense, Rgb::new(200, 220, 255));
-        let water = Block::new(BlockKind::Water, Rgb::new(100, 150, 255));
+        let water = Block::new(BlockKind::Water, Rgb::new(60, 90, 190));
 
         let chunk_size2d = Vec2::from(TerrainChunkSize::SIZE);
         let (base_z, sim_chunk) = match self