LuaTimer.h

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// Copyright © 2008-2023 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _LUATIMER_H
#define _LUATIMER_H
 
#include "DeleteEmitter.h"
#include "LuaManager.h"
#include "JsonFwd.h"
 
#include <deque>
 
class LuaTimer : public DeleteEmitter {
public:
    LuaTimer();
    ~LuaTimer();
 
    void Init();
 
    void Tick();
    void RemoveAll();
 
    // For internal use only
    void Insert(double at, int callbackId, bool repeats);
 
private:
    /*
     * Minimal tracking struct for the next time a callback should be triggered
     * Avoids the overhead of constant round-trips into Lua
     */
    struct CallInfo {
        double at;
        int callbackId;
        bool repeats;
    };
 
    // Queue of tracked 'timeout' entries
    std::deque<CallInfo> m_timeouts;
    // Scratch buffer for timeouts that elapsed this update
    std::vector<CallInfo> m_called;
};
 
#endif