oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-06-27 16:36:03 +00:00
Code Wiki Activity

Initial implementation of 'Godrays'

Browse source
This commit is contained in:
x2048 2023-10-09 11:58:58 -07:00 • committed by lhofhansl
parent cad8e895f2
commit 04f0d545da
3 changed files with 148 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

55
src/client/game.cpp
View file

@ -404,6 +404,10 @@ class GameGlobalShaderConstantSetter : public IShaderConstantSetter
CachedPixelShaderSetting<float> m_bloom_radius_pixel;
float m_bloom_radius;
CachedPixelShaderSetting<float> m_saturation_pixel;
CachedPixelShaderSetting<float, 3> m_sun_position_pixel;
CachedPixelShaderSetting<float> m_sun_brightness_pixel;
CachedPixelShaderSetting<float, 3> m_moon_position_pixel;
CachedPixelShaderSetting<float> m_moon_brightness_pixel;
public:
void onSettingsChange(const std::string &name)
@ -461,7 +465,11 @@ public:
m_bloom_intensity_pixel("bloomIntensity"),
m_bloom_strength_pixel("bloomStrength"),
m_bloom_radius_pixel("bloomRadius"),
m_saturation_pixel("saturation")
m_saturation_pixel("saturation"),
m_sun_position_pixel("sunPositionScreen"),
m_sun_brightness_pixel("sunBrightness"),
m_moon_position_pixel("moonPositionScreen"),
m_moon_brightness_pixel("moonBrightness")
{
g_settings->registerChangedCallback("enable_fog", settingsCallback, this);
g_settings->registerChangedCallback("exposure_compensation", settingsCallback, this);
@ -579,6 +587,51 @@ public:
}
float saturation = m_client->getEnv().getLocalPlayer()->getLighting().saturation;
m_saturation_pixel.set(&saturation, services);
// Map directional light to screen space
auto camera_node = m_client->getCamera()->getCameraNode();
core::matrix4 transform = camera_node->getProjectionMatrix();
transform *= camera_node->getViewMatrix();
if (m_sky->getSunVisible()) {
v3f sun_position = camera_node->getAbsolutePosition() +
10000. * m_sky->getSunDirection();
transform.transformVect(sun_position);
sun_position.normalize();
float sun_position_array[3] = { sun_position.X, sun_position.Y, sun_position.Z};
m_sun_position_pixel.set(sun_position_array, services);
float sun_brightness = rangelim(107.143f * m_sky->getSunDirection().dotProduct(v3f(0.f, 1.f, 0.f)), 0.f, 1.f);
m_sun_brightness_pixel.set(&sun_brightness, services);
}
else {
float sun_position_array[3] = { 0.f, 0.f, -1.f };
m_sun_position_pixel.set(sun_position_array, services);
float sun_brightness = 0.f;
m_sun_brightness_pixel.set(&sun_brightness, services);
}
if (m_sky->getMoonVisible()) {
v3f moon_position = camera_node->getAbsolutePosition() +
10000. * m_sky->getMoonDirection();
transform.transformVect(moon_position);
moon_position.normalize();
float moon_position_array[3] = { moon_position.X, moon_position.Y, moon_position.Z};
m_moon_position_pixel.set(moon_position_array, services);
float moon_brightness = rangelim(107.143f * m_sky->getMoonDirection().dotProduct(v3f(0.f, 1.f, 0.f)), 0.f, 1.f);
m_moon_brightness_pixel.set(&moon_brightness, services);
}
else {
float moon_position_array[3] = { 0.f, 0.f, -1.f };
m_moon_position_pixel.set(moon_position_array, services);
float moon_brightness = 0.f;
m_moon_brightness_pixel.set(&moon_brightness, services);
}
}
void onSetMaterial(const video::SMaterial &material) override