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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef DEMO_READER
#define DEMO_READER
#include <fstream>
#include <vector>
#include "Demo.h"
#include "Game/Players/PlayerStatistics.h"
#include "Sim/Misc/TeamStatistics.h"
namespace netcode { class RawPacket; }
class CFileHandler;
/**
* @brief Utility class for reading demofiles
*/
class CDemoReader : public CDemo
{
public:
/**
@brief Open a demofile for reading
@throw std::runtime_error Demofile not found / header corrupt / outdated
*/
CDemoReader(const std::string& filename, float curTime);
virtual ~CDemoReader();
/**
@brief read from demo file
@return The data read (or 0 if no data), don't forget to delete it
*/
netcode::RawPacket* GetData(const float curTime);
/**
@brief Wether the demo has reached the end
@return true when end reached, false when there is still stuff to read
*/
bool ReachedEnd();
float GetModGameTime() const { return chunkHeader.modGameTime; }
float GetDemoTimeOffset() const { return demoTimeOffset; }
float GetNextDemoReadTime() const { return nextDemoReadTime; }
const std::string& GetSetupScript() const
{
return setupScript;
};
const std::vector<PlayerStatistics>& GetPlayerStats() const { return playerStats; }
const std::vector< std::vector<TeamStatistics> >& GetTeamStats() const { return teamStats; }
const std::vector< unsigned char >& GetWinningAllyTeams() const { return winningAllyTeams; }
/// Not needed for normal demo watching
void LoadStats();
private:
CFileHandler* playbackDemo;
float demoTimeOffset;
float nextDemoReadTime;
int bytesRemaining;
int playbackDemoSize;
DemoStreamChunkHeader chunkHeader;
std::string setupScript; // the original, unaltered version from script
std::vector<PlayerStatistics> playerStats; // one stat per player
std::vector< std::vector<TeamStatistics> > teamStats; // many stats per team
std::vector<unsigned char> winningAllyTeams;
};
#endif
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