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Don't add the same AlphaFader to multiple nodes

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This commit is contained in:
scrawl 2015-11-02 23:38:34 +01:00
parent d6f45c3390
commit 5ca0ae5232
3 changed files with 16 additions and 12 deletions
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25
apps/openmw/mwrender/sky.cpp
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@ -1196,14 +1196,13 @@ public:
mat->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4f(0,0,0,mAlpha)); mat->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4f(0,0,0,mAlpha));
} }
// Helper for adding AlphaFader to a subgraph // Helper for adding AlphaFaders to a subgraph
class SetupVisitor : public osg::NodeVisitor class SetupVisitor : public osg::NodeVisitor
{ {
public: public:
SetupVisitor() SetupVisitor()
: osg::NodeVisitor(TRAVERSE_ALL_CHILDREN) : osg::NodeVisitor(TRAVERSE_ALL_CHILDREN)
{ {
mAlphaFader = new AlphaFader;
} }
virtual void apply(osg::Node &node) virtual void apply(osg::Node &node)
@ -1225,22 +1224,26 @@ public:
callback = callback->getNestedCallback(); callback = callback->getNestedCallback();
} }
osg::ref_ptr<AlphaFader> alphaFader (new AlphaFader);
if (composite) if (composite)
composite->addController(mAlphaFader); composite->addController(alphaFader);
else else
node.addUpdateCallback(mAlphaFader); node.addUpdateCallback(alphaFader);
mAlphaFaders.push_back(alphaFader);
} }
} }
traverse(node); traverse(node);
} }
osg::ref_ptr<AlphaFader> getAlphaFader() std::vector<osg::ref_ptr<AlphaFader> > getAlphaFaders()
{ {
return mAlphaFader; return mAlphaFaders;
} }
private: private:
osg::ref_ptr<AlphaFader> mAlphaFader; std::vector<osg::ref_ptr<AlphaFader> > mAlphaFaders;
}; };
private: private:
@ -1437,7 +1440,7 @@ void SkyManager::setWeather(const WeatherResult& weather)
{ {
mParticleNode->removeChild(mParticleEffect); mParticleNode->removeChild(mParticleEffect);
mParticleEffect = NULL; mParticleEffect = NULL;
mParticleFader = NULL; mParticleFaders.clear();
} }
if (mCurrentParticleEffect.empty()) if (mCurrentParticleEffect.empty())
@ -1464,7 +1467,7 @@ void SkyManager::setWeather(const WeatherResult& weather)
AlphaFader::SetupVisitor alphaFaderSetupVisitor; AlphaFader::SetupVisitor alphaFaderSetupVisitor;
mParticleEffect->accept(alphaFaderSetupVisitor); mParticleEffect->accept(alphaFaderSetupVisitor);
mParticleFader = alphaFaderSetupVisitor.getAlphaFader(); mParticleFaders = alphaFaderSetupVisitor.getAlphaFaders();
} }
} }
@ -1545,8 +1548,8 @@ void SkyManager::setWeather(const WeatherResult& weather)
if (mRainFader) if (mRainFader)
mRainFader->setAlpha(weather.mEffectFade * 0.6); // * Rain_Threshold? mRainFader->setAlpha(weather.mEffectFade * 0.6); // * Rain_Threshold?
if (mParticleFader) for (std::vector<osg::ref_ptr<AlphaFader> >::const_iterator it = mParticleFaders.begin(); it != mParticleFaders.end(); ++it)
mParticleFader->setAlpha(weather.mEffectFade); (*it)->setAlpha(weather.mEffectFade);
} }
void SkyManager::sunEnable() void SkyManager::sunEnable()

2
apps/openmw/mwrender/sky.hpp
View file

@ -158,7 +158,7 @@ namespace MWRender
osg::ref_ptr<osg::PositionAttitudeTransform> mParticleNode; osg::ref_ptr<osg::PositionAttitudeTransform> mParticleNode;
osg::ref_ptr<osg::Node> mParticleEffect; osg::ref_ptr<osg::Node> mParticleEffect;
osg::ref_ptr<AlphaFader> mParticleFader; std::vector<osg::ref_ptr<AlphaFader> > mParticleFaders;
osg::ref_ptr<osg::PositionAttitudeTransform> mCloudNode; osg::ref_ptr<osg::PositionAttitudeTransform> mCloudNode;

1
components/sceneutil/statesetupdater.hpp
View file

@ -15,6 +15,7 @@ namespace SceneUtil
/// the first StateSet is the one we can write to, the second is the one currently in use by the draw traversal of the last frame. /// the first StateSet is the one we can write to, the second is the one currently in use by the draw traversal of the last frame.
/// After a frame is completed the places are swapped. /// After a frame is completed the places are swapped.
/// @par Must be set as UpdateCallback on a Node. /// @par Must be set as UpdateCallback on a Node.
/// @note Do not add the same StateSetUpdater to multiple nodes.
/// @note Do not add multiple StateSetControllers on the same Node as they will conflict - instead use the CompositeStateSetUpdater. /// @note Do not add multiple StateSetControllers on the same Node as they will conflict - instead use the CompositeStateSetUpdater.
class StateSetUpdater : public osg::NodeCallback class StateSetUpdater : public osg::NodeCallback
{ {