ddnet/src/engine/demo.h

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#ifndef ENGINE_DEMO_H
#define ENGINE_DEMO_H
#include "kernel.h"
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#include <base/hash.h>
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#include <engine/map.h>
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#include <engine/shared/uuid_manager.h>
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enum
{
MAX_TIMELINE_MARKERS = 64
};
constexpr int g_DemoSpeeds = 22;
extern const double g_aSpeeds[g_DemoSpeeds];
typedef bool (*DEMOFUNC_FILTER)(const void *pData, int DataSize, void *pUser);
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// TODO: Properly extend demo format using uuids
// "6be6da4a-cebd-380c-9b5b-1289c842d780"
// "demoitem-sha256@ddnet.tw"
extern const CUuid SHA256_EXTENSION;
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struct CDemoHeader
{
unsigned char m_aMarker[7];
unsigned char m_Version;
char m_aNetversion[64];
char m_aMapName[64];
unsigned char m_aMapSize[4];
unsigned char m_aMapCrc[4];
char m_aType[8];
unsigned char m_aLength[4];
char m_aTimestamp[20];
};
struct CTimelineMarkers
{
unsigned char m_aNumTimelineMarkers[4];
unsigned char m_aTimelineMarkers[MAX_TIMELINE_MARKERS][4];
};
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struct CMapInfo
{
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char m_aName[MAX_MAP_LENGTH];
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SHA256_DIGEST m_Sha256;
int m_Crc;
int m_Size;
};
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class IDemoPlayer : public IInterface
{
MACRO_INTERFACE("demoplayer", 0)
public:
class CInfo
{
public:
bool m_Paused;
float m_Speed;
int m_FirstTick;
int m_CurrentTick;
int m_LastTick;
int m_NumTimelineMarkers;
int m_aTimelineMarkers[MAX_TIMELINE_MARKERS];
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};
enum
{
DEMOTYPE_INVALID = 0,
DEMOTYPE_CLIENT,
DEMOTYPE_SERVER,
};
enum ETickOffset
{
TICK_CURRENT = 1, // update the current tick again
TICK_PREVIOUS = 0, // go to the previous tick
TICK_NEXT = 3, // go to the next tick
};
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~IDemoPlayer() {}
virtual void SetSpeed(float Speed) = 0;
virtual void SetSpeedIndex(int Offset) = 0;
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virtual int SeekPercent(float Percent) = 0;
virtual int SeekTime(float Seconds) = 0;
virtual int SeekTick(ETickOffset TickOffset) = 0;
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virtual int SetPos(int WantedTick) = 0;
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virtual void Pause() = 0;
virtual void Unpause() = 0;
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virtual bool IsPlaying() const = 0;
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virtual const CInfo *BaseInfo() const = 0;
virtual void GetDemoName(char *pBuffer, int BufferSize) const = 0;
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virtual bool GetDemoInfo(class IStorage *pStorage, const char *pFilename, int StorageType, CDemoHeader *pDemoHeader, CTimelineMarkers *pTimelineMarkers, CMapInfo *pMapInfo) const = 0;
virtual int GetDemoType() const = 0;
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};
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class IDemoRecorder : public IInterface
{
MACRO_INTERFACE("demorecorder", 0)
public:
~IDemoRecorder() {}
virtual bool IsRecording() const = 0;
virtual int Stop() = 0;
virtual int Length() const = 0;
virtual char *GetCurrentFilename() = 0;
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};
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class IDemoEditor : public IInterface
{
MACRO_INTERFACE("demoeditor", 0)
public:
virtual void Slice(const char *pDemo, const char *pDst, int StartTick, int EndTick, DEMOFUNC_FILTER pfnFilter, void *pUser) = 0;
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};
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#endif