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Improve lighting of entities.

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Pass correct natural & artificial light to the shaders
Use natural/artificial light ratio for correct rendering of shadows
This commit is contained in:
Dmitry Kostenko 2021-11-04 03:03:10 +01:00 • committed by x2048
parent f2cccf8da7
commit 54dccc480e
5 changed files with 50 additions and 25 deletions
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34
src/client/content_cao.cpp
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@ -864,7 +864,8 @@ void GenericCAO::updateLight(u32 day_night_ratio)
if (m_glow < 0)
return;
u8 light_at_pos = 0;
u16 light_at_pos = 0;
u8 light_at_pos_intensity = 0;
bool pos_ok = false;
v3s16 pos[3];
@ -873,28 +874,33 @@ void GenericCAO::updateLight(u32 day_night_ratio)
bool this_ok;
MapNode n = m_env->getMap().getNode(pos[i], &this_ok);
if (this_ok) {
u8 this_light = n.getLightBlend(day_night_ratio, m_client->ndef());
light_at_pos = MYMAX(light_at_pos, this_light);
u16 this_light = getInteriorLight(n, 0, m_client->ndef());
u8 this_light_intensity = MYMAX(this_light & 0xFF, (this_light >> 8) && 0xFF);
if (this_light_intensity > light_at_pos_intensity) {
light_at_pos = this_light;
light_at_pos_intensity = this_light_intensity;
}
pos_ok = true;
}
}
if (!pos_ok)
light_at_pos = blend_light(day_night_ratio, LIGHT_SUN, 0);
light_at_pos = LIGHT_SUN;
video::SColor light = encode_light(light_at_pos, m_glow);
if (!m_enable_shaders)
final_color_blend(&light, light_at_pos, day_night_ratio);
u8 light = decode_light(light_at_pos + m_glow);
if (light != m_last_light) {
m_last_light = light;
setNodeLight(light);
}
}
void GenericCAO::setNodeLight(u8 light)
void GenericCAO::setNodeLight(const video::SColor &light_color)
{
video::SColor color(255, light, light, light);
if (m_prop.visual == "wielditem" || m_prop.visual == "item") {
if (m_wield_meshnode)
m_wield_meshnode->setNodeLightColor(color);
m_wield_meshnode->setNodeLightColor(light_color);
return;
}
@ -906,7 +912,7 @@ void GenericCAO::setNodeLight(u8 light)
scene::IMesh *mesh = m_meshnode->getMesh();
for (u32 i = 0; i < mesh->getMeshBufferCount(); ++i) {
scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
buf->getMaterial().EmissiveColor = color;
buf->getMaterial().EmissiveColor = light_color;
}
} else {
scene::ISceneNode *node = getSceneNode();
@ -915,16 +921,16 @@ void GenericCAO::setNodeLight(u8 light)
for (u32 i = 0; i < node->getMaterialCount(); ++i) {
video::SMaterial &material = node->getMaterial(i);
material.EmissiveColor = color;
material.EmissiveColor = light_color;
}
}
} else {
if (m_meshnode) {
setMeshColor(m_meshnode->getMesh(), color);
setMeshColor(m_meshnode->getMesh(), light_color);
} else if (m_animated_meshnode) {
setAnimatedMeshColor(m_animated_meshnode, color);
setAnimatedMeshColor(m_animated_meshnode, light_color);
} else if (m_spritenode) {
m_spritenode->setColor(color);
m_spritenode->setColor(light_color);
}
}
}