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SGMaterialAnimation: factor out update of osg::Material

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This commit is contained in:
Tim Moore
2009-01-13 12:50:47 +01:00
parent 800ad40c4c
commit a9439d58c7
1 changed files with 71 additions and 46 deletions
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117
simgear/scene/model/SGMaterialAnimation.cxx
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@@ -245,20 +245,78 @@ public:
osg::Vec4 ambientDiffuse;
};
class MaterialPropertyAdapter
{
public:
MaterialPropertyAdapter(const SGPropertyNode* configNode,
SGPropertyNode* modelRoot) :
_ambient(configNode->getChild("ambient"), modelRoot),
_diffuse(configNode->getChild("diffuse"), modelRoot),
_specular(configNode->getChild("specular"), modelRoot),
_emission(configNode->getChild("emission"), modelRoot),
_shininess("shininess", "shininess-prop",
configNode/*->getChild("shininess")*/, modelRoot),
_transparency("alpha", "alpha-prop",
configNode->getChild("transparency"), modelRoot)
{
_shininess.max = 128;
_isAnimated = (_ambient.live() || _diffuse.live() || _specular.live()
|| _emission.live() || _shininess.live()
|| _transparency.live());
}
bool isAnimated() { return _isAnimated; }
// This takes a StateSet argument because the rendering bin will
// be changed if there is transparency.
void setMaterialValues(osg::StateSet* stateSet)
{
osg::StateAttribute* stateAttribute
= stateSet->getAttribute(osg::StateAttribute::MATERIAL);
osg::Material* material = dynamic_cast<osg::Material*>(stateAttribute);
if (material) {
if (_ambient.live() || _ambient.dirty())
material->setAmbient(osg::Material::FRONT_AND_BACK,
_ambient.rgbaVec4());
if (_diffuse.live() || _diffuse.dirty())
material->setDiffuse(osg::Material::FRONT_AND_BACK,
_diffuse.rgbaVec4());
if (_specular.live() || _specular.dirty())
material->setSpecular(osg::Material::FRONT_AND_BACK,
_specular.rgbaVec4());
if (_emission.live() || _emission.dirty())
material->setEmission(osg::Material::FRONT_AND_BACK,
_emission.rgbaVec4());
if (_shininess.live() || _shininess.dirty())
material->setShininess(osg::Material::FRONT_AND_BACK,
_shininess.getValue());
if (_transparency.live() || _transparency.dirty()) {
float alpha = _transparency.getValue();
material->setAlpha(osg::Material::FRONT_AND_BACK, alpha);
if (alpha < 1.0f) {
stateSet->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
} else {
stateSet->setRenderingHint(osg::StateSet::DEFAULT_BIN);
}
}
}
}
ColorSpec _ambient;
ColorSpec _diffuse;
ColorSpec _specular;
ColorSpec _emission;
PropSpec _shininess;
PropSpec _transparency;
bool _isAnimated;
};
class UpdateCallback : public osg::NodeCallback {
public:
UpdateCallback(const osgDB::FilePathList& texturePathList,
const SGCondition* condition,
const SGPropertyNode* configNode, SGPropertyNode* modelRoot) :
_condition(condition),
_ambient(configNode->getChild("ambient"), modelRoot),
_diffuse(configNode->getChild("diffuse"), modelRoot),
_specular(configNode->getChild("specular"), modelRoot),
_emission(configNode->getChild("emission"), modelRoot),
_shininess("shininess", "shininess-prop",
configNode/*->getChild("shininess")*/, modelRoot),
_transparency("alpha", "alpha-prop",
configNode->getChild("transparency"), modelRoot),
_materialProps(configNode, modelRoot),
_texturePathList(texturePathList),
_prevState(false)
{
@@ -270,7 +328,6 @@ public:
node = configNode->getChild("texture-prop");
if (node)
_textureProp = modelRoot->getNode(node->getStringValue(), true);
_shininess.max = 128;
}
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
@@ -302,40 +359,13 @@ public:
osg::StateSet* stateSet = node->getOrCreateStateSet();
osg::StateAttribute* stateAttribute;
stateAttribute = stateSet->getAttribute(osg::StateAttribute::ALPHAFUNC);
osg::AlphaFunc* alphaFunc = dynamic_cast<osg::AlphaFunc*>(stateAttribute);
osg::AlphaFunc* alphaFunc
= dynamic_cast<osg::AlphaFunc*>(stateAttribute);
assert(alphaFunc);
alphaFunc->setReferenceValue(_thresholdProp->getFloatValue());
}
osg::StateAttribute* stateAttribute
= stateSet->getAttribute(osg::StateAttribute::MATERIAL);
osg::Material* material = dynamic_cast<osg::Material*>(stateAttribute);
if (material) {
if (_ambient.live() || (!_prevState && _ambient.dirty()))
material->setAmbient(osg::Material::FRONT_AND_BACK,
_ambient.rgbaVec4());
if (_diffuse.live() || (!_prevState && _diffuse.dirty()))
material->setDiffuse(osg::Material::FRONT_AND_BACK,
_diffuse.rgbaVec4());
if (_specular.live() || (!_prevState && _specular.dirty()))
material->setSpecular(osg::Material::FRONT_AND_BACK,
_specular.rgbaVec4());
if (_emission.live() || (!_prevState && _emission.dirty()))
material->setEmission(osg::Material::FRONT_AND_BACK,
_emission.rgbaVec4());
if (_shininess.live() || (!_prevState && _shininess.dirty()))
material->setShininess(osg::Material::FRONT_AND_BACK,
_shininess.getValue());
if (_transparency.live() || (!_prevState && _transparency.dirty())) {
float alpha = _transparency.getValue();
material->setAlpha(osg::Material::FRONT_AND_BACK, alpha);
if (alpha < 1.0f) {
stateSet->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
} else {
stateSet->setRenderingHint(osg::StateSet::DEFAULT_BIN);
}
}
}
if (_materialProps.isAnimated() || !_prevState)
_materialProps.setMaterialValues(stateSet);
_prevState = true;
} else {
_prevState = false;
@@ -347,12 +377,7 @@ private:
SGSharedPtr<const SGPropertyNode> _textureProp;
SGSharedPtr<const SGPropertyNode> _thresholdProp;
std::string _textureName;
ColorSpec _ambient;
ColorSpec _diffuse;
ColorSpec _specular;
ColorSpec _emission;
PropSpec _shininess;
PropSpec _transparency;
MaterialPropertyAdapter _materialProps;
osgDB::FilePathList _texturePathList;
bool _prevState;
};