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Allow setting a dynamic light's alpha to influence its brightness. This brings it in parity with VKDoom

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nashmuhandes 2024-12-25 18:22:43 +08:00 committed by Rachael Alexanderson
parent d3e5cf77ab
commit a4e527979d
2 changed files with 12 additions and 0 deletions
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3
src/rendering/hwrenderer/hw_dynlightdata.cpp
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@ -92,6 +92,9 @@ void AddLightToList(FDynLightData &dld, int group, FDynamicLight * light, bool f
cs = 1.0f;
}
if (light->target)
cs *= (float)light->target->Alpha;
float r = light->GetRed() / 255.0f * cs;
float g = light->GetGreen() / 255.0f * cs;
float b = light->GetBlue() / 255.0f * cs;

9
src/rendering/hwrenderer/scene/hw_spritelight.cpp
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@ -176,6 +176,15 @@ void HWDrawInfo::GetDynSpriteLight(AActor *self, float x, float y, float z, FLig
lr = light->GetRed() / 255.0f;
lg = light->GetGreen() / 255.0f;
lb = light->GetBlue() / 255.0f;
if (light->target)
{
float alpha = (float)light->target->Alpha;
lr *= alpha;
lg *= alpha;
lb *= alpha;
}
if (light->IsSubtractive())
{
float bright = (float)FVector3(lr, lg, lb).Length();