add 'sky_tint', 'clouds_tint', 'min_sky_light' weather parameters

res/shaders/clouds.glslv

@@ -31,7 +31,7 @@ void main() {
     a_texCoord = v_texCoord;
 
     a_dir = a_modelpos.xyz - u_cameraPos;
-    vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime);
+    vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime, u_minSkyLight);
     a_skyLight = skyLightColor.rgb*v_light.a;
 
     mat4 viewmodel = u_view * u_model;

res/shaders/entity.glslv

@@ -28,7 +28,7 @@ void main() {
     a_texCoord = v_texCoord;
 
     a_dir = a_modelpos.xyz - u_cameraPos;
-    vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime);
+    vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime, u_minSkyLight);
     a_color.rgb = max(a_color.rgb, skyLightColor.rgb * v_light.a) * v_color;
     a_color.a = u_opacity;
 

res/shaders/lib/constants.glsl

@@ -10,7 +10,6 @@
 // lighting
 #define SKY_LIGHT_MUL 2.5
 #define SKY_LIGHT_TINT (vec3(1.0, 0.75, 0.6) * 2.0)
-#define MIN_SKY_LIGHT vec3(0.2, 0.25, 0.33)
 
 // fog
 #define FOG_POS_SCALE vec3(1.0, 0.2, 1.0)

res/shaders/lib/sky.glsl

@@ -3,12 +3,12 @@
 
 #include <constants>
 
-vec3 pick_sky_color(samplerCube cubemap, float dayTime) {
+vec3 pick_sky_color(samplerCube cubemap, float dayTime, vec3 minSkyLight) {
     float elevation = sin(dayTime * PI2) * 0.2;
     vec3 skyLightColor = texture(cubemap, vec3(0.0f, elevation, -0.4f)).rgb;
     skyLightColor *= SKY_LIGHT_TINT;
     skyLightColor = min(vec3(1.0f), skyLightColor * SKY_LIGHT_MUL);
-    skyLightColor = max(MIN_SKY_LIGHT, skyLightColor);
+    skyLightColor = max(minSkyLight, skyLightColor);
     return skyLightColor;
 }
 

res/shaders/lib/world_uniforms.glsl

@@ -11,5 +11,6 @@ uniform float u_timer;
 uniform samplerCube u_skybox;
 uniform vec3 u_torchlightColor;
 uniform float u_torchlightDistance;
+uniform vec3 u_minSkyLight;
 
 #endif // GLSL_WORLD_UNIFORMS_

res/shaders/main.glslv

@@ -27,7 +27,7 @@ void main() {
     a_texCoord = v_texCoord;
 
     a_dir = a_modelpos.xyz - u_cameraPos;
-    vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime);
+    vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime, u_minSkyLight);
     a_skyLight = skyLightColor.rgb*v_light.a;
 
     mat4 viewmodel = u_view * u_model;

res/shaders/skybox_gen.glslf

@@ -241,6 +241,8 @@ uniform vec3 u_xaxis;
 uniform vec3 u_yaxis;
 uniform vec3 u_zaxis;
 uniform vec3 u_lightDir;
+uniform vec3 u_tint;
+uniform vec3 u_hightlight;
 uniform int u_quality;
 uniform float u_mie;
 uniform float u_fog;
@@ -295,5 +297,5 @@ void main() {
     col = 1.0 - exp(-col);
     col = min(col, vec3(1.0));
     // Output to screen
-    f_color = vec4(col, 1.0);
+    f_color = vec4(col * u_tint + u_hightlight, 1.0);
 }

res/shaders/translucent.glslv

@@ -27,7 +27,7 @@ void main() {
     a_texCoord = v_texCoord;
 
     a_dir = a_modelpos.xyz - u_cameraPos;
-    vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime);
+    vec3 skyLightColor = pick_sky_color(u_skybox, u_dayTime, u_minSkyLight);
     a_skyLight = skyLightColor.rgb*v_light.a;
 
     mat4 viewmodel = u_view * u_model;