replay.h

   1
   2 #ifndef _REPLAY_H
   3 #define _REPLAY_H
   4
   5 #include "common/FileBuffer.h"
   6 #define MAX_REPLAYS                             8       // how many automatic replays to save
   7
   8 #define REC_OK          0
   9 #define REC_ERR         1
  10 #define REC_END         2
  11 struct ReplayHeader
  12 {
  13         uint16_t magick;
  14         uint32_t randseed;
  15         bool locked;
  16         int total_frames;
  17         int stageno;
  18         uint64_t createstamp;
  19         Settings settings;
  20 };
  21
  22 struct ReplayRecording
  23 {
  24         ReplayHeader hdr;
  25         FileBuffer fb;
  26
  27         uint32_t lastkeys;
  28         uint32_t runlength;
  29         FILE *fp;
  30 };
  31
  32 struct ReplayPlaying
  33 {
  34         ReplayHeader hdr;
  35
  36         uint32_t keys;
  37         uint32_t runlength;
  38         int elapsed_frames;
  39         int elapsed_records;
  40         FILE *fp;
  41
  42         int ffwdto, ffwd_accel;
  43         int stopat;
  44
  45         int termtimer;          // blinks "TERMINATED" after replay ends
  46 };
  47
  48 enum RS_Status
  49 {
  50         RS_UNUSED,              // there is no file in this slot
  51         RS_UNLOCKED,    // there is an unlocked file in this slot
  52         RS_LOCKED               // there is a locked file in this slot
  53 };
  54
  55 struct ReplaySlotInfo
  56 {
  57         char filename[MAXPATHLEN];      // filename of the replay for this slot, if there is one
  58         int status;                                     // status of this slot
  59         ReplayHeader hdr;                       // header from slot
  60 };
  61
  62
  63 namespace Replay
  64 {
  65         bool begin_record(const char *fname);
  66         bool end_record();
  67
  68         bool begin_playback(const char *fname);
  69         bool end_playback();
  70
  71         void run();
  72         void close();
  73
  74         void OnGameStarting();
  75         bool begin_record_next();
  76
  77         bool IsRecording();
  78         bool IsPlaying();
  79         void DrawStatus();
  80
  81         void set_ffwd(int frame, bool accel=true);
  82         void set_stopat(int frame);
  83
  84
  85         bool LoadHeader(const char *fname, ReplayHeader *hdr);
  86         bool SaveHeader(const char *fname, ReplayHeader *hdr);
  87
  88         void GetSlotInfo(int slotno, ReplaySlotInfo *slot);
  89         void FramesToTime(int framecount, char *buffer);
  90         int GetPlaybackPosition(int max);
  91
  92         static uint32_t EncodeBits(bool *values, int nvalues);
  93         static void DecodeBits(uint32_t value, bool *array, int len);
  94
  95         static void run_record();
  96         static void run_playback();
  97
  98         static int GetAvailableSlot(void);
  99 };
 100
 101
 102 const char *GetReplayName(int slotno, char *buffer = NULL);
 103
 104 #endif