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#ifndef CSGTERMEVALUATOR_H_
#define CSGTERMEVALUATOR_H_
#include <map>
#include <list>
#include <vector>
#include <cstddef>
#include "visitor.h"
#include "memory.h"
class CSGTermEvaluator : public Visitor
{
public:
CSGTermEvaluator(const class Tree &tree, class PolySetEvaluator *psevaluator = NULL)
: tree(tree), psevaluator(psevaluator) {
}
virtual ~CSGTermEvaluator() {}
virtual Response visit(State &state, const class AbstractNode &node);
virtual Response visit(State &state, const class AbstractIntersectionNode &node);
virtual Response visit(State &state, const class AbstractPolyNode &node);
virtual Response visit(State &state, const class CsgNode &node);
virtual Response visit(State &state, const class TransformNode &node);
virtual Response visit(State &state, const class ColorNode &node);
virtual Response visit(State &state, const class RenderNode &node);
virtual Response visit(State &state, const class CgaladvNode &node);
shared_ptr<class CSGTerm> evaluateCSGTerm(const AbstractNode &node,
std::vector<shared_ptr<CSGTerm> > &highlights,
std::vector<shared_ptr<CSGTerm> > &background);
private:
enum CsgOp {CSGT_UNION, CSGT_INTERSECTION, CSGT_DIFFERENCE, CSGT_MINKOWSKI};
void addToParent(const State &state, const AbstractNode &node);
void applyToChildren(const AbstractNode &node, CSGTermEvaluator::CsgOp op);
const AbstractNode *root;
typedef std::list<const AbstractNode *> ChildList;
std::map<int, ChildList> visitedchildren;
public:
std::map<int, shared_ptr<CSGTerm> > stored_term; // The term evaluated from each node index
std::vector<shared_ptr<CSGTerm> > highlights;
std::vector<shared_ptr<CSGTerm> > background;
const Tree &tree;
class PolySetEvaluator *psevaluator;
};
#endif
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