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#ifndef CGALEVALUATOR_H_
#define CGALEVALUATOR_H_
#include "visitor.h"
#include "CGAL_Nef_polyhedron.h"
#include "PolySetCGALEvaluator.h"
#include <string>
#include <map>
#include <list>
class CGALEvaluator : public Visitor
{
public:
enum CsgOp {CGE_UNION, CGE_INTERSECTION, CGE_DIFFERENCE, CGE_MINKOWSKI};
CGALEvaluator(const class Tree &tree) : tree(tree), psevaluator(*this) {}
virtual ~CGALEvaluator() {}
virtual Response visit(State &state, const AbstractNode &node);
virtual Response visit(State &state, const AbstractIntersectionNode &node);
virtual Response visit(State &state, const CsgNode &node);
virtual Response visit(State &state, const TransformNode &node);
virtual Response visit(State &state, const AbstractPolyNode &node);
virtual Response visit(State &state, const CgaladvNode &node);
CGAL_Nef_polyhedron evaluateCGALMesh(const AbstractNode &node);
CGAL_Nef_polyhedron evaluateCGALMesh(const PolySet &polyset);
const Tree &getTree() const { return this->tree; }
private:
void addToParent(const State &state, const AbstractNode &node, const CGAL_Nef_polyhedron &N);
bool isCached(const AbstractNode &node) const;
void process(CGAL_Nef_polyhedron &target, const CGAL_Nef_polyhedron &src, CGALEvaluator::CsgOp op);
CGAL_Nef_polyhedron applyToChildren(const AbstractNode &node, CGALEvaluator::CsgOp op);
CGAL_Nef_polyhedron applyHull(const CgaladvNode &node);
std::string currindent;
typedef std::pair<const AbstractNode *, CGAL_Nef_polyhedron> ChildItem;
typedef std::list<ChildItem> ChildList;
std::map<int, ChildList> visitedchildren;
const Tree &tree;
CGAL_Nef_polyhedron root;
public:
// FIXME: Do we need to make this visible? Used for cache management
// Note: psevaluator constructor needs this->tree to be initialized first
PolySetCGALEvaluator psevaluator;
};
#endif
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