Brighter ambiance, darker LOD shadows.

assets/voxygen/shaders/figure-frag.glsl

@@ -80,7 +80,7 @@ void main() {
     float max_light = 0.0;
     max_light += get_sun_diffuse2(f_norm, sun_dir, moon_dir, view_dir, k_a/* * (shade_frac * 0.5 + light_frac * 0.5)*/, k_d, k_s, alpha, emitted_light, reflected_light);
     reflected_light *= point_shadow * shade_frac;
-    emitted_light *= point_shadow;
+    emitted_light *= point_shadow * max(shade_frac, MIN_SHADOW);
     max_light *= point_shadow * shade_frac;
 
     max_light += lights_at(f_pos, f_norm, view_dir, k_a, k_d, k_s, alpha, emitted_light, reflected_light);

assets/voxygen/shaders/fluid-frag/cheap.glsl

@@ -79,7 +79,7 @@ void main() {
     float max_light = 0.0;
     max_light += get_sun_diffuse2(f_norm, /*time_of_day.x*/sun_dir, moon_dir, /*-cam_to_frag*/view_dir, k_a/* * (shade_frac * 0.5 + light_frac * 0.5)*/, vec3(0.0), k_s, alpha, emitted_light, reflected_light);
     reflected_light *= f_light * point_shadow * shade_frac;
-    emitted_light *= f_light * point_shadow;
+    emitted_light *= f_light * point_shadow * max(shade_frac, MIN_SHADOW);
     max_light *= f_light * point_shadow * shade_frac;
 	// get_sun_diffuse(f_norm, time_of_day.x, light, diffuse_light, ambient_light, 0.0);
 	// diffuse_light *= f_light * point_shadow;

assets/voxygen/shaders/fluid-frag/shiny.glsl

@@ -144,7 +144,7 @@ void main() {
     float max_light = 0.0;
     max_light += get_sun_diffuse2(norm, /*time_of_day.x*/sun_dir, moon_dir, view_dir, k_a/* * (shade_frac * 0.5 + light_frac * 0.5)*/, vec3(0.0), /*vec3(f_light * point_shadow)*//*reflect_color*/k_s, alpha, emitted_light, reflected_light);
     reflected_light *= reflect_color * f_light * point_shadow * shade_frac;
-    emitted_light *= f_light * point_shadow;
+    emitted_light *= f_light * point_shadow * max(shade_frac, MIN_SHADOW);
     max_light *= f_light * point_shadow * shade_frac;
 
     vec3 diffuse_light_point = vec3(0.0);

assets/voxygen/shaders/include/lod.glsl

@@ -5,6 +5,8 @@
 uniform sampler2D t_map;
 uniform sampler2D t_horizon;
 
+const float MIN_SHADOW = 0.33;
+
 vec2 pos_to_uv(sampler2D sampler, vec2 pos) {
     // Want: (pixel + 0.5) / W
     vec2 texSize = textureSize(sampler, 0);

assets/voxygen/shaders/include/sky.glsl

@@ -123,7 +123,7 @@ vec3 get_moon_color(vec3 moon_dir) {
 
 // Returns computed maximum intensity.
 float get_sun_diffuse2(vec3 norm, vec3 sun_dir, vec3 moon_dir, vec3 dir, vec3 k_a, vec3 k_d, vec3 k_s, float alpha, out vec3 emitted_light, out vec3 reflected_light) {
-	const float SUN_AMBIANCE = 0.23 / 3.0;/* / 1.8*/;// 0.1 / 3.0;
+	const float SUN_AMBIANCE = 0.23;/* / 1.8*/;// 0.1 / 3.0;
     const float SUN_COLOR_FACTOR = 6.0;//1.8;
 	const float MOON_AMBIANCE = 0.23;//0.1;
 

assets/voxygen/shaders/lod-terrain-frag.glsl

@@ -152,6 +152,7 @@ void main() {
     float max_light = 0.0;
     max_light += get_sun_diffuse2(f_norm/*l_norm*/, sun_dir, moon_dir, view_dir, vec3(1.0)/* * (0.5 * light_frac + vec3(0.5 * shade_frac))*/, vec3(1.0), /*0.5 * shade_frac * *//*vec3(1.0)*//*f_col*/vec3(R_s), alpha, emitted_light, reflected_light);
     // emitted_light = vec3(1.0);
+    emitted_light *= max(shade_frac, MIN_SHADOW);
     reflected_light *= shade_frac;
     max_light *= shade_frac;
     // reflected_light = vec3(0.0);

assets/voxygen/shaders/sprite-frag.glsl

@@ -73,7 +73,7 @@ void main() {
     float max_light = 0.0;
     max_light += get_sun_diffuse2(f_norm, /*time_of_day.x, */sun_dir, moon_dir, /*cam_to_frag*/view_dir, k_a/* * (shade_frac * 0.5 + light_frac * 0.5)*/, k_d, k_s, alpha, emitted_light, reflected_light);
     reflected_light *= vert_light * point_shadow * shade_frac;
-    emitted_light *= vert_light * point_shadow;
+    emitted_light *= vert_light * point_shadow * max(shade_frac, MIN_SHADOW);
     max_light *= vert_light * point_shadow * shade_frac;
 	// get_sun_diffuse(f_norm, time_of_day.x, light, diffuse_light, ambient_light, 1.0);
 	// float point_shadow = shadow_at(f_pos, f_norm);

assets/voxygen/shaders/terrain-frag.glsl

@@ -73,7 +73,7 @@ void main() {
     float point_shadow = shadow_at(f_pos, f_norm);
     max_light += get_sun_diffuse2(f_norm, /*time_of_day.x, */sun_dir, moon_dir, view_dir, k_a/* * (shade_frac * 0.5 + light_frac * 0.5)*/, k_d, k_s, alpha, emitted_light, reflected_light);
 
-    emitted_light *= f_light * point_shadow;
+    emitted_light *= f_light * point_shadow * max(shade_frac, MIN_SHADOW);
     reflected_light *= f_light * point_shadow * shade_frac;
     max_light *= f_light * point_shadow * shade_frac;