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#ifndef TECHTREEARCS_H
#define TECHTREEARCS_H
#include <memory>
#include <set>
#include <string>
class TechTreeLayout;
/// This class is responsible for drawing the lines
/// of a TechTreeLayout on screen.
class TechTreeArcs {
public:
TechTreeArcs();
TechTreeArcs(TechTreeArcs& other) = delete;
TechTreeArcs(const TechTreeLayout& layout, const std::set<std::string>& techs_to_show);
~TechTreeArcs();
TechTreeArcs& operator=(TechTreeArcs& other) = delete;
void Render(double scale);
/// Clears the arcs
void Reset();
/// Recalculates the arcs
void Reset(const TechTreeLayout& layout, const std::set<std::string>& techs_to_show);
private:
class Impl;
std::unique_ptr<Impl> m_impl;
};
#endif
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