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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef VSYNC_H
#define VSYNC_H
class CVerticalSync {
public:
void WrapNotifyOnChange();
void WrapRemoveObserver();
void Toggle();
void SetInterval();
void SetInterval(int i);
void ConfigNotify(const std::string& key, const std::string& value);
int GetInterval() const { return interval; }
static CVerticalSync* GetInstance();
private:
// must start at a value that can not occur in config; see SetInterval
int interval = -1000;
};
#define verticalSync (CVerticalSync::GetInstance())
#endif /* VSYNC_H */
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