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Night clouds: Boost brightness for a moonlit appearence (#7748)

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Previously, night clouds were almost indistinguishable from night sky,
especially since a recent commit that made night sky brighter.
They were lacking the beautiful luminosity caused by being lit by the
permanently-full moon.

When 'directional_colored_fog = false' allow the dawn/dusk cloud
brightness boost to apply through the night too.
Set an identical minimum cloud brightness for when
'directional_colored_fog = true'.
This commit is contained in:
Paramat 2018-10-01 19:43:32 +01:00 committed by GitHub
parent a29bc8e8ba
commit dc948382f5
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1 changed files with 10 additions and 5 deletions
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15
src/sky.cpp
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@ -721,15 +721,20 @@ void Sky::update(float time_of_day, float time_brightness,
m_skycolor = m_mix_scolor(m_skycolor, pointcolor, m_horizon_blend() * 0.25);
}
float cloud_direct_brightness = 0;
float cloud_direct_brightness = 0.0f;
if (sunlight_seen) {
if (!m_directional_colored_fog) {
cloud_direct_brightness = time_brightness;
if (time_brightness >= 0.2 && time_brightness < 0.7)
cloud_direct_brightness *= 1.3;
// Boost cloud brightness relative to sky, at dawn, dusk and at night
if (time_brightness < 0.7f)
cloud_direct_brightness *= 1.3f;
} else {
cloud_direct_brightness = MYMIN(m_horizon_blend() * 0.15 +
m_time_brightness, 1);
cloud_direct_brightness = std::fmin(m_horizon_blend() * 0.15f +
m_time_brightness, 1.0f);
// Set the same minimum cloud brightness at night
if (time_brightness < 0.5f)
cloud_direct_brightness = std::fmax(cloud_direct_brightness,
time_brightness * 1.3f);
}
} else {
cloud_direct_brightness = direct_brightness;