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#ifndef STATE_H_
#define STATE_H_
#include <cstring>
class State
{
public:
State(const class AbstractNode *parent)
: parentnode(parent), isprefix(false), ispostfix(false), numchildren(0) {
for (int i=0;i<16;i++) this->m[i] = i % 5 == 0 ? 1.0 : 0.0;
for (int i=0;i<4;i++) this->c[i] = -1.0;
}
virtual ~State() {}
void setPrefix(bool on) { this->isprefix = on; }
void setPostfix(bool on) { this->ispostfix = on; }
void setNumChildren(unsigned int numc) { this->numchildren = numc; }
void setParent(const AbstractNode *parent) { this->parentnode = parent; }
void setMatrix(const double m[16]) { memcpy(this->m, m, 16*sizeof(double)); }
void setColor(const double c[4]) { memcpy(this->c, c, 4*sizeof(double)); }
bool isPrefix() const { return this->isprefix; }
bool isPostfix() const { return this->ispostfix; }
unsigned int numChildren() const { return this->numchildren; }
const AbstractNode *parent() const { return this->parentnode; }
const double *matrix() const { return this->m; }
const double *color() const { return this->c; }
private:
const AbstractNode * parentnode;
bool isprefix;
bool ispostfix;
unsigned int numchildren;
// Transformation matrix and color. FIXME: Generalize such state variables?
double m[16];
double c[4];
};
#endif
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