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#ifndef CSGTERM_H_
#define CSGTERM_H_
#include <string>
#include <vector>
#include "polyset.h"
class CSGTerm
{
public:
enum type_e {
TYPE_PRIMITIVE,
TYPE_UNION,
TYPE_INTERSECTION,
TYPE_DIFFERENCE
};
type_e type;
PolySet *polyset;
std::string label;
CSGTerm *left;
CSGTerm *right;
double m[16];
double color[4];
int refcounter;
CSGTerm(PolySet *polyset, const double matrix[16], const double color[4], const std::string &label);
CSGTerm(type_e type, CSGTerm *left, CSGTerm *right);
CSGTerm *normalize();
CSGTerm *normalize_tail();
CSGTerm *link();
void unlink();
std::string dump();
};
class CSGChain
{
public:
std::vector<PolySet*> polysets;
std::vector<double*> matrices;
std::vector<double*> colors;
std::vector<CSGTerm::type_e> types;
std::vector<std::string> labels;
CSGChain();
void add(PolySet *polyset, double *m, double *color, CSGTerm::type_e type, std::string label);
void import(CSGTerm *term, CSGTerm::type_e type = CSGTerm::TYPE_UNION);
std::string dump();
BoundingBox getBoundingBox() const;
};
#endif
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