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#include "visitor.hpp"
#include <osg/Drawable>
#include <osg/MatrixTransform>
#include <osgParticle/ParticleSystem>
#include <osgAnimation/Bone>
#include <components/debug/debuglog.hpp>
#include <components/misc/strings/algorithm.hpp>
#include <cstring>
#include <string_view>
namespace SceneUtil
{
bool FindByNameVisitor::checkGroup(osg::Group& group)
{
if (Misc::StringUtils::ciEqual(group.getName(), mNameToFind))
{
mFoundNode = &group;
return true;
}
return false;
}
void FindByClassVisitor::apply(osg::Node& node)
{
if (Misc::StringUtils::ciEqual(node.className(), mNameToFind))
mFoundNodes.push_back(&node);
traverse(node);
}
void FindByNameVisitor::apply(osg::Group& group)
{
if (!mFoundNode && !checkGroup(group))
traverse(group);
}
void FindByNameVisitor::apply(osg::MatrixTransform& node)
{
if (!mFoundNode && !checkGroup(node))
traverse(node);
}
void FindByNameVisitor::apply(osg::Geometry&) {}
void NodeMapVisitorBoneOnly::apply(osg::MatrixTransform& trans)
{
// Choose first found bone in file
if (dynamic_cast<osgAnimation::Bone*>(&trans) != nullptr)
mMap.emplace(trans.getName(), &trans);
traverse(trans);
}
void NodeMapVisitor::apply(osg::MatrixTransform& trans)
{
// Choose first found node in file
mMap.emplace(trans.getName(), &trans);
traverse(trans);
}
void RemoveVisitor::remove()
{
for (RemoveVec::iterator it = mToRemove.begin(); it != mToRemove.end(); ++it)
{
if (!it->second->removeChild(it->first))
Log(Debug::Error) << "error removing " << it->first->getName();
}
}
void CleanObjectRootVisitor::apply(osg::Drawable& drw)
{
applyDrawable(drw);
}
void CleanObjectRootVisitor::apply(osg::Group& node)
{
applyNode(node);
}
void CleanObjectRootVisitor::apply(osg::MatrixTransform& node)
{
applyNode(node);
}
void CleanObjectRootVisitor::apply(osg::Node& node)
{
applyNode(node);
}
void CleanObjectRootVisitor::applyNode(osg::Node& node)
{
if (node.getStateSet())
node.setStateSet(nullptr);
if (node.getNodeMask() == 0x1 && node.getNumParents() == 1)
mToRemove.emplace_back(&node, node.getParent(0));
else
traverse(node);
}
void CleanObjectRootVisitor::applyDrawable(osg::Node& node)
{
osg::NodePath::iterator parent = getNodePath().end() - 2;
// We know that the parent is a Group because only Groups can have children.
osg::Group* parentGroup = static_cast<osg::Group*>(*parent);
// Try to prune nodes that would be empty after the removal
if (parent != getNodePath().begin())
{
// This could be extended to remove the parent's parent, and so on if they are empty as well.
// But for NIF files, there won't be a benefit since only TriShapes can be set to STATIC dataVariance.
osg::Group* parentParent = static_cast<osg::Group*>(*(parent - 1));
if (parentGroup->getNumChildren() == 1 && parentGroup->getDataVariance() == osg::Object::STATIC)
{
mToRemove.emplace_back(parentGroup, parentParent);
return;
}
}
mToRemove.emplace_back(&node, parentGroup);
}
void RemoveTriBipVisitor::apply(osg::Drawable& drw)
{
applyImpl(drw);
}
void RemoveTriBipVisitor::apply(osg::Group& node)
{
traverse(node);
}
void RemoveTriBipVisitor::apply(osg::MatrixTransform& node)
{
traverse(node);
}
void RemoveTriBipVisitor::applyImpl(osg::Node& node)
{
if (Misc::StringUtils::ciStartsWith(node.getName(), "tri bip"))
{
osg::Group* parent = static_cast<osg::Group*>(*(getNodePath().end() - 2));
// Not safe to remove in apply(), since the visitor is still iterating the child list
mToRemove.emplace_back(&node, parent);
}
}
}
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