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Code Issues 144 Wiki Activity

Add the optional Radius, ShadeSelf, CastShadows and SoftFalloff of FreeSpotLight and make FalloffAngle 360 a point light

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Hirek
2026-10-28 16:18:03 +01:00
parent 413cebed9c
commit c4e23932bf
25 changed files with 327 additions and 72 deletions
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15
rendering/common/localshadows.cpp
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@@ -30,6 +30,12 @@ double const LAMP_MOVED{0.01};
// lamps with a shorter reach aren't worth a map, metres
float const LAMP_RANGE_MIN{1.f};
// near plane of the map of a lamp: out of its sphere, and well within its reach
float lamp_near(gfx::local_lights::light const &Light)
{
return std::clamp(Light.radius, local_shadows::shadow_near, std::max(local_shadows::shadow_near, Light.range * 0.5f));
}
} // namespace
local_shadows::level_setup local_shadows::setup(int const Level)
@@ -203,7 +209,7 @@ void local_shadows::update_lamps(std::vector<gfx::local_lights::light> const &Li
{
break;
}
if ((light.owner == nullptr) || (light.range < LAMP_RANGE_MIN) || (glm::length(light.position - Camera) > reach))
if ((light.owner == nullptr) || (false == light.cast_shadows) || (light.range < LAMP_RANGE_MIN) || (glm::length(light.position - Camera) > reach))
{
continue;
}
@@ -226,6 +232,8 @@ void local_shadows::update_lamps(std::vector<gfx::local_lights::light> const &Li
}
slot.position = light->position;
slot.range = light->range;
slot.nearplane = lamp_near(*light);
slot.shade_self = light->shade_self;
slot.wantedframe = Framestamp;
m_wanted.emplace_back(idx);
placed = true;
@@ -252,6 +260,8 @@ void local_shadows::update_lamps(std::vector<gfx::local_lights::light> const &Li
slot.part = light->part;
slot.position = light->position;
slot.range = light->range;
slot.nearplane = lamp_near(*light);
slot.shade_self = light->shade_self;
slot.wantedframe = Framestamp;
m_wanted.emplace_back(idx);
break;
@@ -312,6 +322,7 @@ void local_shadows::begin_lamp(std::size_t const Slot, bool const Vehicles, std:
slot.vehicles = false;
++m_lampsscenery;
}
m_lampnear = slot.nearplane;
gpu_begin_lamp(scenerycube, workingcube, Vehicles);
}
@@ -367,7 +378,7 @@ local_shadows::lamp_slot const *local_shadows::lamp(gfx::local_lights::light con
glm::vec4 local_shadows::lamp_weights(std::size_t const Slot) const
{
auto const cube{m_slots[Slot].vehicles ? m_slots.size() + Slot : Slot};
return glm::vec4{static_cast<float>(cube), shadow_near, 2.f / static_cast<float>(std::max(m_lampssize, 1)), setup(m_level).radius};
return glm::vec4{static_cast<float>(cube), m_slots[Slot].nearplane, 2.f / static_cast<float>(std::max(m_lampssize, 1)), setup(m_level).radius};
}
std::vector<TDynamicObject *> const &local_shadows::lamp_vehicles(glm::dvec3 const &Camera)