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Per-material alpha testing for collada

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This commit is contained in:
unelsson 2021-09-11 17:03:16 +03:00
parent 40497d6fe5
commit 96f02ab32c
1 changed files with 29 additions and 13 deletions
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42
components/resource/scenemanager.cpp
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@ -255,31 +255,47 @@ namespace Resource
node.getOrCreateStateSet()->setAttributeAndModes(depth, osg::StateAttribute::ON);
}
/* Check if the <node> has <extra type="Node"> <technique profile="OpenSceneGraph"> <Descriptions> <Description>
correct format for OpenMW: <Description>alphatest mode value MaterialName</Description>
e.g <Description>alphatest GEQUAL 0.8 MyAlphaTestedMaterial</Description> */
std::vector<std::string> descriptions = node.getDescriptions();
for (auto description : descriptions)
{
std::vector<std::string> descriptionParts;
mDescriptions.emplace_back(description);
}
// Iterate each description, and see if the current node uses the specified material for alpha testing
for (auto description : mDescriptions)
{
std::vector<std::string> descriptionParts;
std::istringstream descriptionStringStream(description);
for (std::string part; std::getline(descriptionStringStream, part, ' ');)
descriptionParts.emplace_back(part);
if (descriptionParts.at(0) == "alphatest")
{
if (!osgDepthCreated)
{
osg::ref_ptr<osg::Depth> depth = SceneUtil::createDepth();
node.getOrCreateStateSet()->setAttributeAndModes(depth, osg::StateAttribute::ON);
}
descriptionParts.emplace_back(part);
}
osg::AlphaFunc::ComparisonFunction mode = getTestMode(descriptionParts.at(1));
osg::ref_ptr<osg::AlphaFunc> alphaFunc (new osg::AlphaFunc(mode, std::stod(descriptionParts.back())));
node.getOrCreateStateSet()->setAttributeAndModes(alphaFunc, osg::StateAttribute::ON);
Log(Debug::Info) << "Setting collada alpha test " << description << " for " << node.getName();
if (descriptionParts.size() > (3) && descriptionParts.at(3) == node.getOrCreateStateSet()->getName())
{
if (descriptionParts.at(0) == "alphatest")
{
if (!osgDepthCreated)
{
osg::ref_ptr<osg::Depth> depth = SceneUtil::createDepth();
node.getOrCreateStateSet()->setAttributeAndModes(depth, osg::StateAttribute::ON);
}
osg::AlphaFunc::ComparisonFunction mode = getTestMode(descriptionParts.at(1));
osg::ref_ptr<osg::AlphaFunc> alphaFunc (new osg::AlphaFunc(mode, std::stod(descriptionParts.at(2))));
node.getOrCreateStateSet()->setAttributeAndModes(alphaFunc, osg::StateAttribute::ON);
Log(Debug::Info) << "Setting collada alpha test for " << node.getName();
}
}
}
traverse(node);
}
private:
std::vector<std::string> mDescriptions;
};
SceneManager::SceneManager(const VFS::Manager *vfs, Resource::ImageManager* imageManager, Resource::NifFileManager* nifFileManager)