sync

assets/voxygen/shaders/include/cloud/none.glsl

@@ -1,5 +1,3 @@
-uniform sampler2D t_noise;
-
 vec4 get_cloud_color(vec3 dir, vec3 origin, float time_of_day, float max_dist, float quality) {
     return vec4(0.0);
 }

assets/voxygen/shaders/include/cloud/regular.glsl

@@ -1,4 +1,4 @@
-uniform sampler2D t_noise;
+#include <random.glsl>
 
 const float CLOUD_AVG_HEIGHT = 1025.0;
 const float CLOUD_HEIGHT_MIN = CLOUD_AVG_HEIGHT - 50.0;

assets/voxygen/shaders/include/sky.glsl

@@ -104,80 +104,6 @@ float is_star_at(vec3 dir) {
 	return 0.0;
 }
 
-const float CLOUD_AVG_HEIGHT = 1025.0;
-const float CLOUD_HEIGHT_MIN = CLOUD_AVG_HEIGHT - 35.0;
-const float CLOUD_HEIGHT_MAX = CLOUD_AVG_HEIGHT + 35.0;
-const float CLOUD_THRESHOLD = 0.3;
-const float CLOUD_SCALE = 1.0;
-const float CLOUD_DENSITY = 100.0;
-
-float vsum(vec3 v) {
-	return v.x + v.y + v.z;
-}
-
-vec2 cloud_at(vec3 pos) {
-	float tick_offs = 0.0
-		+ texture(t_noise, pos.xy * 0.0001 + tick.x * 0.001).x * 1.0
-		+ texture(t_noise, pos.xy * 0.000003).x * 5.0;
-
-	float value = (
-		0.0
-		+ texture(t_noise, pos.xy / CLOUD_SCALE * 0.0003 + tick_offs).x
-		+ texture(t_noise, pos.xy / CLOUD_SCALE * 0.0009 - tick_offs).x * 0.5
-		+ texture(t_noise, pos.xy / CLOUD_SCALE * 0.0025 - tick.x * 0.01).x * 0.25
-		+ texture(t_noise, pos.xy / CLOUD_SCALE * 0.008 + tick.x * 0.02).x * 0.1
-	) / 3.0;
-
-	float density = max((value - CLOUD_THRESHOLD) - abs(pos.z - CLOUD_AVG_HEIGHT) / 500.0, 0.0) * CLOUD_DENSITY;
-
-	float shade = ((pos.z - CLOUD_AVG_HEIGHT) / (CLOUD_AVG_HEIGHT - CLOUD_HEIGHT_MIN) + 0.5);
-
-	return vec2(shade, density / (1.0 + vsum(abs(pos - cam_pos.xyz)) / 10000));
-}
-
-vec4 get_cloud_color(vec3 dir, vec3 origin, float time_of_day, float max_dist, float quality) {
-
-	const float INCR = 0.06;
-
-	float mind = (CLOUD_HEIGHT_MIN - origin.z) / dir.z;
-	float maxd = (CLOUD_HEIGHT_MAX - origin.z) / dir.z;
-
-	float start = max(min(mind, maxd), 0.0);
-	float cloud_delta = abs(mind - maxd);
-	float delta = min(cloud_delta, max_dist);
-
-	bool do_cast = true;
-	if (mind < 0.0 && maxd < 0.0) {
-		do_cast = false;
-	}
-
-	float incr = INCR;
-
-	float fuzz = sin(texture(t_noise, dir.xz * 100000.0).x * 100.0) * incr * delta;
-
-	float cloud_shade = 1.0;
-	float passthrough = 1.0;
-	if (do_cast) {
-		for (float d = 0.0; d < 1.0; d += incr) {
-			float dist = start + d * delta;
-			dist += fuzz * min(pow(dist * 0.005, 2.0), 1.0);
-
-			vec3 pos = origin + dir * min(dist, max_dist);
-			vec2 sample = cloud_at(pos);
-
-			float integral = sample.y * incr;
-			passthrough *= max(1.0 - integral, 0.0);
-			cloud_shade = mix(cloud_shade, sample.x, passthrough * integral);
-		}
-	}
-
-	float total_density = 1.0 - passthrough / (1.0 + (max_dist / (1.0 + max(abs(dir.z), 0.03) * 100.0)) * 0.00003);
-
-	total_density = max(total_density - 1.0 / pow(max_dist, 0.25), 0.0); // Hack
-
-	return vec4(vec3(cloud_shade), total_density);
-}
-
 vec3 get_sky_color(vec3 dir, float time_of_day, vec3 origin, vec3 f_pos, float quality, bool with_stars, out vec4 clouds) {
 	// Sky color
 	vec3 sun_dir = get_sun_dir(time_of_day);

assets/voxygen/shaders/terrain-frag.glsl

@@ -3,7 +3,7 @@
 #include <globals.glsl>
 
 in vec3 f_pos;
-in vec3 f_norm;
+flat in uint f_pos_norm;
 in vec3 f_col;
 in float f_light;
 

assets/voxygen/shaders/terrain-vert.glsl

@@ -13,7 +13,7 @@ uniform u_locals {
 };
 
 out vec3 f_pos;
-out vec3 f_norm;
+flat out uint f_pos_norm;
 out vec3 f_col;
 out float f_light;
 
@@ -27,15 +27,7 @@ void main() {
 
 	f_light = float(v_col_light & 0xFFu) / 255.0;
 
-	// First 3 normals are negative, next 3 are positive
+	f_pos_norm = v_pos_norm;
-	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));
-
-	// TODO: last 3 bits in v_pos_norm should be a number between 0 and 5, rather than 0-2 and a direction.
-	uint norm_axis = (v_pos_norm >> 30) & 0x3u;
-	// Increase array access by 3 to access positive values
-	uint norm_dir = ((v_pos_norm >> 29) & 0x1u) * 3u;
-	// Use an array to avoid conditional branching
-	f_norm = normals[norm_axis + norm_dir];
 
 	gl_Position =
 		all_mat *

voxygen/src/scene/mod.rs

@@ -1,11 +1,13 @@
 pub mod camera;
 pub mod figure;
+pub mod lod;
 pub mod terrain;
 
 use self::{
     camera::{Camera, CameraMode},
     figure::FigureMgr,
     music::MusicMgr,
+    lod::Lod,
     terrain::Terrain,
 };
 use crate::{