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#ifndef CSGTERM_H_
#define CSGTERM_H_
#include <string>
#include <vector>
#include "memory.h"
#include "linalg.h"
class PolySet;
class CSGTerm
{
public:
enum type_e {
TYPE_PRIMITIVE,
TYPE_UNION,
TYPE_INTERSECTION,
TYPE_DIFFERENCE
};
static shared_ptr<CSGTerm> createCSGTerm(type_e type, shared_ptr<CSGTerm> left, shared_ptr<CSGTerm> right);
static shared_ptr<CSGTerm> createCSGTerm(type_e type, CSGTerm *left, CSGTerm *right);
type_e type;
shared_ptr<PolySet> polyset;
std::string label;
shared_ptr<CSGTerm> left;
shared_ptr<CSGTerm> right;
BoundingBox bbox;
CSGTerm(const shared_ptr<PolySet> &polyset, const Transform3d &matrix, const Color4f &color, const std::string &label);
~CSGTerm();
const BoundingBox &getBoundingBox() const { return this->bbox; }
std::string dump();
private:
CSGTerm(type_e type, shared_ptr<CSGTerm> left, shared_ptr<CSGTerm> right);
CSGTerm(type_e type, CSGTerm *left, CSGTerm *right);
void initBoundingBox();
Transform3d m;
Color4f color;
friend class CSGChain;
};
class CSGChain
{
public:
std::vector<shared_ptr<PolySet> > polysets;
std::vector<Transform3d> matrices;
std::vector<Color4f> colors;
std::vector<CSGTerm::type_e> types;
std::vector<std::string> labels;
CSGChain();
void add(const shared_ptr<PolySet> &polyset, const Transform3d &m, const Color4f &color, CSGTerm::type_e type, std::string label);
void import(shared_ptr<CSGTerm> term, CSGTerm::type_e type = CSGTerm::TYPE_UNION);
std::string dump(bool full = false);
BoundingBox getBoundingBox() const;
};
#endif
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