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#ifndef CSGTERMEVALUATOR_H_
#define CSGTERMEVALUATOR_H_
#include <string>
#include <map>
#include <list>
#include <vector>
#include "Tree.h"
#include "visitor.h"
#include "node.h"
using std::string;
using std::map;
using std::list;
using std::vector;
class CSGTermEvaluator : public Visitor
{
public:
CSGTermEvaluator(const Tree &tree, class PolySetEvaluator *psevaluator = NULL)
: tree(tree), psevaluator(psevaluator) {
}
virtual ~CSGTermEvaluator() {}
virtual Response visit(State &state, const AbstractNode &node);
virtual Response visit(State &state, const AbstractIntersectionNode &node);
virtual Response visit(State &state, const AbstractPolyNode &node);
virtual Response visit(State &state, const CsgNode &node);
virtual Response visit(State &state, const TransformNode &node);
virtual Response visit(State &state, const ColorNode &node);
virtual Response visit(State &state, const RenderNode &node);
virtual Response visit(State &state, const CgaladvNode &node);
class CSGTerm *evaluateCSGTerm(const AbstractNode &node,
vector<CSGTerm*> &highlights,
vector<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 list<const AbstractNode *> ChildList;
map<int, ChildList> visitedchildren;
public:
map<int, class CSGTerm*> stored_term; // The term evaluated from each node index
vector<CSGTerm*> highlights;
vector<CSGTerm*> background;
const Tree &tree;
class PolySetEvaluator *psevaluator;
};
#endif
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