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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
};
enum Flag {
FLAG_NONE = 0x00,
FLAG_BACKGROUND = 0x01,
FLAG_HIGHLIGHT = 0x03
};
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;
Flag flag;
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 CSGChainObject
{
public:
CSGChainObject(shared_ptr<PolySet> polyset,
const Transform3d &matrix,
const Color4f &color,
CSGTerm::type_e type,
const std::string &label,
CSGTerm::Flag flag = CSGTerm::FLAG_NONE)
: polyset(polyset), matrix(matrix), color(color), type(type), label(label), flag(flag) {}
shared_ptr<PolySet> polyset;
Transform3d matrix;
Color4f color;
CSGTerm::type_e type;
std::string label;
CSGTerm::Flag flag;
};
class CSGChain
{
public:
std::vector<CSGChainObject> objects;
CSGChain() {};
void import(shared_ptr<CSGTerm> term, CSGTerm::type_e type = CSGTerm::TYPE_UNION,
CSGTerm::Flag flag = CSGTerm::FLAG_NONE);
std::string dump(bool full = false);
BoundingBox getBoundingBox() const;
};
#endif
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