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Fixed the flatten static transform visitor.

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This commit is contained in:
Robert Osfield
2002-08-30 15:07:10 +00:00
parent 8a061e80e1
commit b1f69a9b11
2 changed files with 240 additions and 498 deletions
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168
include/osgUtil/Optimizer
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@@ -8,6 +8,7 @@
#include <osg/NodeVisitor>
#include <osg/Matrix>
#include <osg/Geometry>
#include <osg/Transform>
#include <osgUtil/Export>
@@ -65,176 +66,33 @@ class OSGUTIL_EXPORT Optimizer
FlattenStaticTransformsVisitor(bool ignoreDynamicTransforms=true):
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
_ignoreDynamicTransforms(ignoreDynamicTransforms) {}
FlattenStaticTransformsVisitor():
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}
virtual void apply(osg::Geode& geode);
virtual void apply(osg::Billboard& billboard);
virtual void apply(osg::LOD& lod);
virtual void apply(osg::Transform& transform);
void removeTransforms();
typedef std::vector<osg::Transform*> TransformStack;
typedef std::vector<osg::Matrix> MatrixStack;
protected:
struct TransformStruct
{
typedef std::set<osg::Object*> ObjectSet;
TransformStruct():_canBeApplied(true) {}
void add(osg::Object* obj) { _objectSet.insert(obj); }
bool _canBeApplied;
ObjectSet _objectSet;
};
struct ObjectStruct
{
typedef std::set<osg::Transform*> TransformSet;
ObjectStruct():_canBeApplied(true),_matrixSet(false),_moreThanOneMatrixRequired(false) {}
void add(TransformStack& transforms,osg::Matrix& matrix)
{
_transformSet.insert(transforms.begin(),transforms.end());
if (!_matrixSet)
{
_matrixSet = true;
_moreThanOneMatrixRequired = false;
_matrix = matrix;
}
else if (_matrix!=matrix)
{
_moreThanOneMatrixRequired = true;
}
}
bool _canBeApplied;
bool _matrixSet;
bool _moreThanOneMatrixRequired;
osg::Matrix _matrix;
TransformSet _transformSet;
};
typedef std::map<osg::Transform*,TransformStruct> TransformMap;
typedef std::map<osg::Object*,ObjectStruct> ObjectMap;
void disableObject(osg::Object* object)
{
disableObject(_objectMap.find(object));
}
void disableObject(ObjectMap::iterator itr);
void disableTransform(osg::Transform* transform);
void doTransform(osg::Object* obj,osg::Matrix& matrix);
bool _ignoreDynamicTransforms;
MatrixStack _matrixStack;
TransformStack _transformStack;
TransformMap _transformMap;
ObjectMap _objectMap;
};
/** Remove the lowest static transforms in the scene.*/
class OSGUTIL_EXPORT RemoveLowestStaticTransformsVisitor : public osg::NodeVisitor
{
public:
RemoveLowestStaticTransformsVisitor(bool ignoreDynamicTransforms=true):
osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
_ignoreDynamicTransforms(ignoreDynamicTransforms) {}
virtual void apply(osg::Geode& geode);
virtual void apply(osg::Billboard& billboard);
virtual void apply(osg::LOD& lod);
virtual void apply(osg::Billboard& geode);
virtual void apply(osg::Transform& transform);
bool removeTransforms();
typedef std::vector<osg::Transform*> TransformStack;
typedef std::vector<osg::Matrix> MatrixStack;
protected:
struct TransformStruct
{
typedef std::set<osg::Object*> ObjectSet;
TransformStruct():_containsTransform(false),_canBeApplied(true) {}
void add(osg::Object* obj) { _objectSet.insert(obj); }
bool _containsTransform;
bool _canBeApplied;
ObjectSet _objectSet;
};
typedef std::vector<osg::Transform*> TransformStack;
typedef std::set<osg::Drawable*> DrawableSet;
typedef std::set<osg::Billboard*> BillboardSet;
typedef std::set<osg::Transform*> TransformSet;
struct ObjectStruct
{
typedef std::set<osg::Transform*> TransformSet;
ObjectStruct():_canBeApplied(true),_matrixSet(false),_moreThanOneMatrixRequired(false) {}
void add(osg::Transform* transform,osg::Matrix& matrix)
{
_transformSet.insert(transform);
if (!_matrixSet)
{
_matrixSet = true;
_moreThanOneMatrixRequired = false;
_matrix = matrix;
}
else if (_matrix!=matrix)
{
_moreThanOneMatrixRequired = true;
}
}
bool _canBeApplied;
bool _matrixSet;
bool _moreThanOneMatrixRequired;
osg::Matrix _matrix;
TransformSet _transformSet;
};
typedef std::map<osg::Transform*,TransformStruct> TransformMap;
typedef std::map<osg::Object*,ObjectStruct> ObjectMap;
void disableObject(osg::Object* object)
{
disableObject(_objectMap.find(object));
}
void disableObject(ObjectMap::iterator itr);
void disableTransform(osg::Transform* transform);
void doTransform(osg::Object* obj,osg::Matrix& matrix);
bool _ignoreDynamicTransforms;
MatrixStack _matrixStack;
TransformStack _transformStack;
TransformMap _transformMap;
ObjectMap _objectMap;
DrawableSet _drawableSet;
BillboardSet _billboardSet;
TransformSet _transformSet;
};
/** Remove rendundent nodes, such as groups with one single child.*/
class OSGUTIL_EXPORT RemoveEmptyNodesVisitor : public osg::NodeVisitor
{