Cleanup, fixed clouds, removed 45-degree terrain sprites

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

@@ -32,7 +32,7 @@ vec2 cloud_at(vec3 pos) {
 	float density = max((value - CLOUD_THRESHOLD) - abs(pos.z - CLOUD_AVG_HEIGHT) / 200.0, 0.0) * CLOUD_DENSITY;
 
 	const float SHADE_GRADIENT = 1.5 / (CLOUD_AVG_HEIGHT - CLOUD_HEIGHT_MIN);
-	float shade = ((pos.z - CLOUD_AVG_HEIGHT) / (CLOUD_HEIGHT_MAX - CLOUD_HEIGHT_MIN)) * 10.5 + 0.7;
+	float shade = (pos.z - CLOUD_AVG_HEIGHT) / (CLOUD_HEIGHT_MAX - CLOUD_HEIGHT_MIN) * 5.0 + 0.3;
 
 	return vec2(shade, density / (1.0 + vsum(abs(pos - cam_pos.xyz)) / 5000));
 }

assets/voxygen/shaders/terrain-frag.glsl

@@ -21,10 +21,6 @@ out vec4 tgt_color;
 #include <sky.glsl>
 #include <light.glsl>
 
-float vmin(vec3 v) {
-	return min(v.x, min(v.y, v.z));
-}
-
 void main() {
 	// First 3 normals are negative, next 3 are positive
 	vec3 normals[6] = vec3[](vec3(-1,0,0), vec3(1,0,0), vec3(0,-1,0), vec3(0,1,0), vec3(0,0,-1), vec3(0,0,1));

voxygen/src/scene/terrain.rs

@@ -276,7 +276,7 @@ fn mesh_worker<V: BaseVol<Vox = Block> + RectRasterableVol + ReadVol + Debug>(
                             let seed = wpos.x as u64 * 3
                                 + wpos.y as u64 * 7
                                 + wpos.x as u64 * wpos.y as u64; // Awful PRNG
-                            let ori = block.get_ori().unwrap_or((seed % 8) as u8);
+                            let ori = block.get_ori().unwrap_or((seed % 4) as u8 * 2);
 
                             let instance = SpriteInstance::new(
                                 Mat4::identity()