C:/Documents and Settings/jegan/Desktop/projectX/CommandManager.h

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#ifndef COMMANDMANAGER_H
#define COMMANDMANAGER_H

#include <queue>
#include <string>

class Command;
class List;

class CommandTime
{
public:
        Command* c;
        int time;

        bool operator<(const CommandTime &rhs) const {return time < rhs.time;}
        bool operator>(const CommandTime &rhs) const {return time > rhs.time;}
};

class CommandManager
{
public:
        static CommandManager* instance();
        
        void startRecording();
        void stopRecording();
        void saveRecording(std::string filename);
        
        void startPlaying(std::priority_queue<CommandTime,std::vector<CommandTime>,std::greater<CommandTime> > &commands);
        void startPlaying(List *commands);
        void startPlaying(std::string filename);
        void stopPlaying();

        void startTimestep();

        void flush();

        void execute(Command *command);
        void execute(std::queue<Command*> commands);
private:
        CommandManager();
        std::priority_queue<CommandTime,std::vector<CommandTime>,std::greater<CommandTime> > _demoCommands;
        std::priority_queue<CommandTime,std::vector<CommandTime>,std::greater<CommandTime> > _playCommands;

        bool _flush;
        bool _recording;
        bool _playing;

        static CommandManager *_instance;

        int _demoTime;
        int _playTime;
};

#endif

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