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Code Issues Releases Wiki Activity

Disable specularity for negative lights

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This commit is contained in:
Alexei Kotov 2024-05-24 00:22:52 +03:00
parent debc37d93a
commit e0e4b84e40
3 changed files with 16 additions and 4 deletions
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12
components/sceneutil/lightcontroller.cpp
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@ -41,6 +41,7 @@ namespace SceneUtil
if (mType == LT_Normal)
{
light->setDiffuse(mDiffuseColor);
light->setSpecular(mSpecularColor);
traverse(node, nv);
return;
}
@ -65,10 +66,10 @@ namespace SceneUtil
mPhase = mPhase <= 0.5f ? 1.f : 0.25f;
}
osg::Vec4f result = mDiffuseColor * mBrightness * node->getActorFade();
const float result = mBrightness * node->getActorFade();
light->setDiffuse(result);
light->setSpecular(result);
light->setDiffuse(mDiffuseColor * result);
light->setSpecular(mSpecularColor * result);
traverse(node, nv);
}
@ -78,4 +79,9 @@ namespace SceneUtil
mDiffuseColor = color;
}
void LightController::setSpecular(const osg::Vec4f& color)
{
mSpecularColor = color;
}
}

2
components/sceneutil/lightcontroller.hpp
View file

@ -27,12 +27,14 @@ namespace SceneUtil
void setType(LightType type);
void setDiffuse(const osg::Vec4f& color);
void setSpecular(const osg::Vec4f& color);
void operator()(SceneUtil::LightSource* node, osg::NodeVisitor* nv);
private:
LightType mType;
osg::Vec4f mDiffuseColor;
osg::Vec4f mSpecularColor;
float mPhase;
float mBrightness;
double mStartTime;

6
components/sceneutil/lightutil.cpp
View file

@ -117,19 +117,23 @@ namespace SceneUtil
configureLight(light, radius, isExterior);
osg::Vec4f diffuse = esmLight.mColor;
osg::Vec4f specular = esmLight.mColor; // ESM format doesn't provide specular
if (esmLight.mNegative)
{
diffuse *= -1;
diffuse.a() = 1;
// Using specular lighting for negative lights is unreasonable
specular = osg::Vec4f();
}
light->setDiffuse(diffuse);
light->setAmbient(ambient);
light->setSpecular(diffuse); // ESM format doesn't provide specular
light->setSpecular(specular);
lightSource->setLight(light);
osg::ref_ptr<SceneUtil::LightController> ctrl(new SceneUtil::LightController);
ctrl->setDiffuse(light->getDiffuse());
ctrl->setSpecular(light->getSpecular());
if (esmLight.mFlicker)
ctrl->setType(SceneUtil::LightController::LT_Flicker);
if (esmLight.mFlickerSlow)