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More sunset variation for higher graphics modes

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This commit is contained in:
Joshua Barretto 2021-07-17 19:00:12 +01:00
parent 54eb2a3ff7
commit 5bdea9249c
2 changed files with 31 additions and 15 deletions
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12
assets/voxygen/shaders/include/cloud/regular.glsl
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@ -5,7 +5,7 @@ float falloff(float x) {
return pow(max(x > 0.577 ? (0.3849 / x - 0.1) : (0.9 - x * x), 0.0), 4);
}
float emission_strength = clamp((sin(time_of_day.x / (3600 * 24)) - 0.8) / 0.1, 0, 1);
float emission_strength = clamp((magnetosphere - 0.8) / 0.1, 0, 1);
// Return the 'broad' density of the cloud at a position. This gets refined later with extra noise, but is important
// for computing light access.
@ -199,7 +199,6 @@ vec3 get_cloud_color(vec3 surf_color, vec3 dir, vec3 origin, const float time_of
splay += (textureLod(sampler2D(t_noise, s_noise), vec2(atan2(dir.x, dir.y) * 2 / PI, dir.z) * 5.0 - time_of_day * 0.00005, 0).x - 0.5) * 0.025 / (1.0 + pow(dir.z, 2) * 10);
#endif
/* const float RAYLEIGH = 0.25; */
const vec3 RAYLEIGH = vec3(0.025, 0.1, 0.5);
// Proportion of sunlight that get scattered back into the camera by clouds
@ -208,12 +207,15 @@ vec3 get_cloud_color(vec3 surf_color, vec3 dir, vec3 origin, const float time_of
float net_light = get_sun_brightness() + get_moon_brightness();
vec3 sky_color = RAYLEIGH * net_light;
vec3 sky_light = get_sky_light(dir, time_of_day, false);
vec3 sun_color = get_sun_color();
vec3 moon_color = get_moon_color();
float cdist = max_dist;
float ldist = cdist;
// i is an emergency brake
float min_dist = clamp(max_dist / 4, 0.25, 24);
for (int i = 0; cdist > min_dist && i < 250; i ++) {
int i;
for (i = 0; cdist > min_dist && i < 250; i ++) {
ldist = cdist;
cdist = step_to_dist(trunc(dist_to_step(cdist - 0.25, quality)), quality);
@ -235,8 +237,8 @@ vec3 get_cloud_color(vec3 surf_color, vec3 dir, vec3 origin, const float time_of
// Attenuate light passing through the clouds
surf_color * cloud_darken * global_darken +
// Add the directed light light scattered into the camera by the clouds and the atmosphere (global illumination)
get_sun_color() * sun_scatter * get_sun_brightness() * (sun_access * (1.0 - cloud_darken) /*+ sky_color * global_scatter_factor*/) +
get_moon_color() * moon_scatter * get_moon_brightness() * (moon_access * (1.0 - cloud_darken) /*+ sky_color * global_scatter_factor*/) +
sun_color * sun_scatter * get_sun_brightness() * (sun_access * (1.0 - cloud_darken) /*+ sky_color * global_scatter_factor*/) +
moon_color * moon_scatter * get_moon_brightness() * (moon_access * (1.0 - cloud_darken) /*+ sky_color * global_scatter_factor*/) +
sky_light * (1.0 - global_darken) +
emission * density_integrals.y;
}

34
assets/voxygen/shaders/include/sky.glsl
View File

@ -24,8 +24,8 @@ const vec3 SKY_DAY_BOT = vec3(0.1, 0.2, 0.3);
const vec3 DAY_LIGHT = vec3(3.8, 3.0, 1.8);
const vec3 SUN_HALO_DAY = vec3(0.25, 0.25, 0.001);
const vec3 SKY_DUSK_TOP = vec3(0.06, 0.1, 0.20);
const vec3 SKY_DUSK_MID = vec3(0.75, 0.1, 0.15);
const vec3 SKY_DUSK_TOP = vec3(1.06, 0.1, 0.20);
const vec3 SKY_DUSK_MID = vec3(2.5, 0.3, 0.1);
const vec3 SKY_DUSK_BOT = vec3(0.0, 0.1, 0.23);
const vec3 DUSK_LIGHT = vec3(8.0, 1.5, 0.15);
const vec3 SUN_HALO_DUSK = vec3(10.2, 3.0, 0.1);
@ -111,6 +111,20 @@ float cloud_shadow(vec3 pos, vec3 light_dir) {
#endif
}
float magnetosphere = sin(time_of_day.x / (3600 * 24));
#if (CLOUD_MODE <= CLOUD_MODE_LOW)
const vec3 magnetosphere_tint = vec3(1);
#else
float _magnetosphere2 = pow(magnetosphere, 2) * 2 - 1;
float _magnetosphere3 = pow(_magnetosphere2, 2) * 2 - 1;
vec3 _magnetosphere_change = vec3(1.0) + vec3(
(magnetosphere + 1.0) * 2.0,
(-_magnetosphere2 + 1.0) * 2.0,
(-_magnetosphere3 + 1.0) * 1.0
) * 0.4;
vec3 magnetosphere_tint = _magnetosphere_change / length(_magnetosphere_change);
#endif
float get_sun_brightness(/*vec3 sun_dir*/) {
return max(-sun_dir.z + 0.5, 0.0);
}
@ -122,7 +136,7 @@ float get_moon_brightness(/*vec3 moon_dir*/) {
vec3 get_sun_color(/*vec3 sun_dir*/) {
return mix(
mix(
DUSK_LIGHT,
DUSK_LIGHT * magnetosphere_tint,
NIGHT_LIGHT,
max(sun_dir.z, 0)
),
@ -131,12 +145,11 @@ vec3 get_sun_color(/*vec3 sun_dir*/) {
);
}
// Average sky colour (i.e: perfectly scattered light from the sky)
vec3 get_sky_color(/*vec3 sun_dir*/) {
return mix(
mix(
(SKY_DUSK_TOP + SKY_DUSK_MID) / 2,
(SKY_DUSK_TOP + SKY_DUSK_MID) / 2 * magnetosphere_tint,
(SKY_NIGHT_TOP + SKY_NIGHT_MID) / 2,
max(sun_dir.z, 0)
),
@ -430,7 +443,7 @@ vec3 get_sky_light(vec3 dir, float time_of_day, bool with_stars) {
vec3 sky_top = mix(
mix(
SKY_DUSK_TOP,
SKY_DUSK_TOP * magnetosphere_tint,
SKY_NIGHT_TOP,
pow(max(sun_dir.z, 0.0), 0.2)
) + star,
@ -439,7 +452,8 @@ vec3 get_sky_light(vec3 dir, float time_of_day, bool with_stars) {
);
vec3 sky_mid = mix(
mix( SKY_DUSK_MID,
mix(
SKY_DUSK_MID * magnetosphere_tint,
SKY_NIGHT_MID,
pow(max(sun_dir.z, 0.0), 0.1)
),
@ -449,7 +463,7 @@ vec3 get_sky_light(vec3 dir, float time_of_day, bool with_stars) {
vec3 sky_bot = mix(
mix(
SKY_DUSK_BOT,
SKY_DUSK_BOT * magnetosphere_tint,
SKY_NIGHT_BOT,
pow(max(sun_dir.z, 0.0), 0.2)
),
@ -467,7 +481,7 @@ vec3 get_sky_light(vec3 dir, float time_of_day, bool with_stars) {
max(dir.z, 0)
);
return sky_color;
return sky_color * magnetosphere_tint;
}
vec3 get_sky_color(vec3 dir, float time_of_day, vec3 origin, vec3 f_pos, float quality, bool with_features, float refractionIndex) {
@ -484,7 +498,7 @@ vec3 get_sky_color(vec3 dir, float time_of_day, vec3 origin, vec3 f_pos, float q
const vec3 SUN_SURF_COLOR = vec3(1.5, 0.9, 0.35) * 50.0;
vec3 sun_halo_color = mix(
SUN_HALO_DUSK,
SUN_HALO_DUSK * magnetosphere_tint,
SUN_HALO_DAY,
pow(max(-sun_dir.z, 0.0), 0.5)
);