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Accurate handling of fog depth/density (Fixes #2752)

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This commit is contained in:
scrawl 2015-07-01 03:21:39 +02:00
parent 6691891bee
commit dcb8fbc69c
2 changed files with 15 additions and 3 deletions
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17
apps/openmw/mwrender/renderingmanager.cpp
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@ -46,7 +46,8 @@ namespace MWRender
{
public:
StateUpdater()
: mFogEnd(0.f)
: mFogStart(0.f)
, mFogEnd(0.f)
, mWireframe(false)
{
}
@ -56,7 +57,6 @@ namespace MWRender
osg::LightModel* lightModel = new osg::LightModel;
stateset->setAttribute(lightModel, osg::StateAttribute::ON);
osg::Fog* fog = new osg::Fog;
fog->setStart(1);
fog->setMode(osg::Fog::LINEAR);
stateset->setAttributeAndModes(fog, osg::StateAttribute::ON);
if (mWireframe)
@ -75,6 +75,7 @@ namespace MWRender
lightModel->setAmbientIntensity(mAmbientColor);
osg::Fog* fog = static_cast<osg::Fog*>(stateset->getAttribute(osg::StateAttribute::FOG));
fog->setColor(mFogColor);
fog->setStart(mFogStart);
fog->setEnd(mFogEnd);
}
@ -88,6 +89,11 @@ namespace MWRender
mFogColor = col;
}
void setFogStart(float start)
{
mFogStart = start;
}
void setFogEnd(float end)
{
mFogEnd = end;
@ -110,6 +116,7 @@ namespace MWRender
private:
osg::Vec4f mAmbientColor;
osg::Vec4f mFogColor;
float mFogStart;
float mFogEnd;
bool mWireframe;
};
@ -118,6 +125,7 @@ namespace MWRender
: mViewer(viewer)
, mRootNode(rootNode)
, mResourceSystem(resourceSystem)
, mFogDepth(0.f)
, mNightEyeFactor(0.f)
{
osg::ref_ptr<SceneUtil::LightManager> lightRoot = new SceneUtil::LightManager;
@ -338,8 +346,9 @@ namespace MWRender
configureFog (cell->mAmbi.mFogDensity, color);
}
void RenderingManager::configureFog(float /* fogDepth */, const osg::Vec4f &color)
void RenderingManager::configureFog(float fogDepth, const osg::Vec4f &color)
{
mFogDepth = fogDepth;
mFogColor = color;
}
@ -364,11 +373,13 @@ namespace MWRender
if (mWater->isUnderwater(cameraPos))
{
setFogColor(osg::Vec4f(0.090195f, 0.115685f, 0.12745f, 1.f));
mStateUpdater->setFogStart(0.f);
mStateUpdater->setFogEnd(1000);
}
else
{
setFogColor(mFogColor);
mStateUpdater->setFogStart(mViewDistance * (1 - mFogDepth));
mStateUpdater->setFogEnd(mViewDistance);
}
}

1
apps/openmw/mwrender/renderingmanager.hpp
View file

@ -190,6 +190,7 @@ namespace MWRender
osg::ref_ptr<StateUpdater> mStateUpdater;
float mFogDepth;
osg::Vec4f mFogColor;
osg::Vec4f mAmbientColor;