Bad fake lighting in caves

assets/voxygen/shaders/figure-frag.glsl

@@ -97,7 +97,7 @@ void main() {
     vec3 f_col = greedy_extract_col_light_attr(t_col_light, s_col_light, f_uv_pos, f_ao, f_glow, material);
 
     #ifdef EXPERIMENTAL_BAREMINIMUM
-        tgt_color = vec4(f_col * f_ao, 1);
+        tgt_color = vec4(simple_lighting(f_pos.xyz, f_col, f_ao), 1);
         return;
     #endif
 

assets/voxygen/shaders/include/sky.glsl

@@ -689,4 +689,10 @@ vec3 illuminate(float max_light, vec3 view_dir, /*vec3 max_light, */vec3 emitted
     // return /*srgb_to_linear*/(/*0.5*//*0.125 * */vec3(pow(color.x, gamma), pow(color.y, gamma), pow(color.z, gamma)));
 }
 
+vec3 simple_lighting(vec3 pos, vec3 col, float shade) {
+    // Bad fake lantern so we can see in caves
+    vec3 d = pos.xyz - focus_pos.xyz;
+    return col * clamp(2.5 / dot(d, d), shade * get_sun_brightness(), 1);
+}
+
 #endif

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

@@ -47,7 +47,7 @@ void main() {
     // vec3 view_dir = normalize(-vec3(vert_pos4)/* / vert_pos4.w*/);
 
     #ifdef EXPERIMENTAL_BAREMINIMUM
-        tgt_color = vec4(lod_col(f_pos.xy), 1);
+        tgt_color = vec4(lod_col(f_pos.xy) * get_sun_brightness(), 1);
         return;
     #endif
 

assets/voxygen/shaders/sprite-frag.glsl

@@ -44,7 +44,7 @@ void main() {
     vec3 f_col = greedy_extract_col_light_glow(t_col_light, s_col_light, f_uv_pos, f_ao, f_glow);
 
     #ifdef EXPERIMENTAL_BAREMINIMUM
-        tgt_color = vec4(f_col * f_ao, 1);
+        tgt_color = vec4(simple_lighting(f_pos.xyz, f_col, f_ao), 1);
         return;
     #endif
 

assets/voxygen/shaders/terrain-frag.glsl

@@ -88,7 +88,7 @@ void main() {
     vec3 f_col = greedy_extract_col_light_glow(t_col_light, s_col_light, f_uv_pos, f_light, f_glow);
 
     #ifdef EXPERIMENTAL_BAREMINIMUM
-        tgt_color = vec4(f_col * f_light, 1);
+        tgt_color = vec4(simple_lighting(f_pos.xyz, f_col, f_light), 1);
         return;
     #endif