//========= Copyright Valve Corporation, All rights reserved. ============//
//
//=======================================================================================//

#ifndef IENGINEREPLAY_H
#define IENGINEREPLAY_H
#ifdef _WIN32
#pragma once
#endif

//----------------------------------------------------------------------------------------

#include "interface.h"

//----------------------------------------------------------------------------------------

#define ENGINE_REPLAY_INTERFACE_VERSION "EngineReplay001"

#if !defined(DEDICATED)
#define ENGINE_REPLAY_CLIENT_INTERFACE_VERSION "EngineClientReplay001"
#endif

//----------------------------------------------------------------------------------------

class IServer;
class INetChannel;
class IReplayServer;
class IClientEntityList;
class IClientReplay;
struct demoheader_t;
class CGlobalVarsBase;
class IDemoBuffer;
class CBaseRecordingSessionBlock;

//----------------------------------------------------------------------------------------

//
// Allows the replay, client & server DLL's to talk to the engine
//
class IEngineReplay : public IBaseInterface {
   public:
    virtual bool IsSupportedModAndPlatform() = 0;

    virtual float GetHostTime() = 0;
    virtual int GetHostTickCount() = 0;
    virtual int TimeToTicks(float flTime) = 0;
    virtual float TicksToTime(int nTick) = 0;

    virtual bool ReadDemoHeader(const char *pFilename,
                                demoheader_t &header) = 0;
    virtual const char *GetGameDir() = 0;
    virtual void Cbuf_AddText(const char *pCmd) = 0;
    virtual void Cbuf_Execute() = 0;
    virtual void Host_Disconnect(bool bShowMainMenu) = 0;
    virtual void HostState_Shutdown() = 0;
    virtual const char *GetModDir() = 0;

    virtual bool CopyFile(const char *pSource, const char *pDest) = 0;

    virtual bool LZSS_Compress(char *pDest, unsigned int *pDestLen,
                               const char *pSource,
                               unsigned int nSourceLen) = 0;
    virtual bool LZSS_Decompress(char *pDest, unsigned int *pDestLen,
                                 const char *pSource,
                                 unsigned int nSourceLen) = 0;

    virtual bool MD5_HashBuffer(unsigned char pDigest[16],
                                const unsigned char *pBuffer, int nSize,
                                unsigned int pSeed[4]) = 0;

    // Server-specific
    virtual IReplayServer *GetReplayServer() = 0;
    virtual IServer *GetReplayServerAsIServer() = 0;
    virtual IServer *GetGameServer() = 0;
    virtual bool GetSessionRecordBuffer(uint8 **ppSessionBuffer,
                                        int *pSize) = 0;
    virtual bool IsDedicated() = 0;
    virtual void ResetReplayRecordBuffer() = 0;
    virtual demoheader_t *GetReplayDemoHeader() = 0;
    virtual void RecalculateTags() = 0;
    virtual bool NET_GetHostnameAsIP(const char *pHostname, char *pOut,
                                     int nOutSize) = 0;
};

//
// Allows the replay and client DLL's to talk to the engine
//
#if !defined(DEDICATED)
class IEngineClientReplay : public IBaseInterface {
   public:
    virtual INetChannel *GetNetChannel() = 0;
    virtual bool IsConnected() = 0;
    virtual bool IsListenServer() = 0;
    virtual float GetLastServerTickTime() = 0;
    virtual const char *GetLevelName() = 0;
    virtual const char *GetLevelNameShort() = 0;
    virtual int GetPlayerSlot() = 0;
    virtual bool IsPlayingReplayDemo() = 0;
    virtual IClientEntityList *GetClientEntityList() = 0;
    virtual IClientReplay *GetClientReplayInt() = 0;
    virtual uint32 GetClientSteamID() = 0;
    virtual void Con_NPrintf(int nPos, PRINTF_FORMAT_STRING const char *pFormat,
                             ...) = 0;
    virtual CGlobalVarsBase *GetClientGlobalVars() = 0;
    virtual void VGui_PlaySound(const char *pSound) = 0;
    virtual void EngineVGui_ConfirmQuit() = 0;
    virtual int GetScreenWidth() = 0;
    virtual int GetScreenHeight() = 0;
    virtual bool IsDemoPlayingBack() = 0;
    virtual bool IsGamePathValidAndSafeForDownload(const char *pGamePath) = 0;
    virtual bool IsInGame() = 0;

    virtual void InitSoundRecord() = 0;

    virtual void Wave_CreateTmpFile(const char *pFilename) = 0;
    virtual void Wave_AppendTmpFile(const char *pFilename, void *pBuffer,
                                    int nNumSamples) = 0;
    virtual void Wave_FixupTmpFile(const char *pFilename) = 0;
};
#endif  // !defined( DEDICATED )

//----------------------------------------------------------------------------------------

#endif  // IENGINEREPLAY_H