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Merge pull request #243 from lioncash/light 

CLight: Minor cleanup
This commit is contained in:
Luke Street 2020-03-18 01:03:04 -04:00 committed by GitHub
parent b3b8c33006 ec7bca8c20
commit dcc7affb8f
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 27 deletions
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34
Runtime/Graphics/CLight.cpp
View File

@ -4,8 +4,8 @@
namespace urde {
static const zeus::CVector3f kDefaultPosition(0.f, 0.f, 0.f);
static const zeus::CVector3f kDefaultDirection(0.f, -1.f, 0.f);
constexpr zeus::CVector3f kDefaultPosition(0.f, 0.f, 0.f);
constexpr zeus::CVector3f kDefaultDirection(0.f, -1.f, 0.f);
float CLight::CalculateLightRadius() const {
if (x28_distL < FLT_EPSILON && x2c_distQ < FLT_EPSILON)
@ -27,20 +27,20 @@ float CLight::CalculateLightRadius() const {
float CLight::GetIntensity() const {
if (x4c_24_intensityDirty) {
const_cast<CLight*>(this)->x4c_24_intensityDirty = false;
x4c_24_intensityDirty = false;
float coef = 1.f;
if (x1c_type == ELightType::Custom)
if (x1c_type == ELightType::Custom) {
coef = x30_angleC;
const_cast<CLight*>(this)->x48_cachedIntensity =
coef * std::max(x18_color.r(), std::max(x18_color.g(), x18_color.b()));
}
x48_cachedIntensity = coef * std::max({x18_color.r(), x18_color.g(), x18_color.b()});
}
return x48_cachedIntensity;
}
float CLight::GetRadius() const {
if (x4c_25_radiusDirty) {
const_cast<CLight*>(this)->x44_cachedRadius = CalculateLightRadius();
const_cast<CLight*>(this)->x4c_25_radiusDirty = false;
x44_cachedRadius = CalculateLightRadius();
x4c_25_radiusDirty = false;
}
return x44_cachedRadius;
}
@ -50,16 +50,12 @@ CLight::CLight(const zeus::CVector3f& pos, const zeus::CVector3f& dir, const zeu
: x0_pos(pos)
, xc_dir(dir)
, x18_color(color)
, x1c_type(ELightType::Custom)
, x20_spotCutoff(0.f)
, x24_distC(distC)
, x28_distL(distL)
, x2c_distQ(distQ)
, x30_angleC(angleC)
, x34_angleL(angleL)
, x38_angleQ(angleQ)
, x44_cachedRadius(0.f)
, x48_cachedIntensity(0.f)
, x4c_24_intensityDirty(true)
, x4c_25_radiusDirty(true) {}
@ -70,22 +66,14 @@ CLight::CLight(ELightType type, const zeus::CVector3f& pos, const zeus::CVector3
, x18_color(color)
, x1c_type(type)
, x20_spotCutoff(cutoff)
, x24_distC(1.f)
, x28_distL(0.f)
, x2c_distQ(0.f)
, x30_angleC(1.f)
, x34_angleL(0.f)
, x38_angleQ(0.f)
, x44_cachedRadius(0.f)
, x48_cachedIntensity(0.f)
, x4c_24_intensityDirty(true)
, x4c_25_radiusDirty(true) {
switch (type) {
case ELightType::Spot: {
float cosCutoff = std::cos(zeus::degToRad(cutoff));
const float cosCutoff = std::cos(zeus::degToRad(cutoff));
x30_angleC = 0.f;
x34_angleL = -cosCutoff / (1.0 - cosCutoff);
x38_angleQ = 1.f / (1.0 - cosCutoff);
x34_angleL = -cosCutoff / (1.0f - cosCutoff);
x38_angleQ = 1.f / (1.0f - cosCutoff);
break;
}
case ELightType::Directional: {

8
Runtime/Graphics/CLight.hpp
View File

@ -35,10 +35,10 @@ class CLight {
float x38_angleQ = 0.f;
u32 x3c_priority = 0;
u32 x40_lightId = 0; // Serves as unique key
float x44_cachedRadius = 0.f;
float x48_cachedIntensity = 0.f;
bool x4c_24_intensityDirty : 1;
bool x4c_25_radiusDirty : 1;
mutable float x44_cachedRadius = 0.f;
mutable float x48_cachedIntensity = 0.f;
mutable bool x4c_24_intensityDirty : 1;
mutable bool x4c_25_radiusDirty : 1;
float CalculateLightRadius() const;