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change light strength to light linearity 0.0 = inverse square, 1.0 = linear

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This commit is contained in:
Ricardo Luís Vaz Silva 2024-10-10 16:51:09 -03:00 • committed by Magnus Norddahl
commit 74a49ca919
13 changed files with 54 additions and 56 deletions
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19
src/playsim/a_dynlight.cpp
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@ -99,7 +99,7 @@ static FDynamicLight *GetLight(FLevelLocals *Level)
}
static inline constexpr float calcStrength(float radius)
float LightCalcStrength(float radius)
{
radius *= 2; // radius in shaders is actualy diameter, so multiply it here to match
return std::min(1500.0f, (radius * radius) / 10);
@ -122,12 +122,10 @@ void AttachLight(AActor *self)
light->pLightFlags = (LightFlags*)&self->IntVar(NAME_lightflags);
light->pArgs = self->args;
light->pSoftShadowRadius = &self->FloatVar(NAME_SoftShadowRadius);
light->pStrength = &self->FloatVar(NAME_LightStrength);
light->pLinearity = &self->FloatVar(NAME_LightLinearity);
if(*light->pStrength <= 0)
{
*light->pStrength = -calcStrength(light->m_currentRadius);
}
light->lightStrength = LightCalcStrength(light->pArgs[LIGHT_INTENSITY]);
light->specialf1 = DAngle::fromDeg(double(self->SpawnAngle)).Normalized360().Degrees();
light->Sector = self->Sector;
@ -250,10 +248,7 @@ void FDynamicLight::Activate()
}
if (m_currentRadius <= 0) m_currentRadius = 1;
if(pStrength && *pStrength <= 0)
{
*pStrength = -calcStrength(m_currentRadius);
}
lightStrength = LightCalcStrength(m_currentRadius);
}
@ -377,9 +372,9 @@ void FDynamicLight::Tick()
if (m_currentRadius <= 0) m_currentRadius = 1;
if(pStrength && *pStrength <= 0 && oldradius != m_currentRadius)
if(oldradius != m_currentRadius)
{
*pStrength = -calcStrength(m_currentRadius);
lightStrength = LightCalcStrength(m_currentRadius);
}
UpdateLocation();
}