Mercurial > vba-linux

     1 #include <cstdio>

     2 #include <cctype>

     3 #include <cstdlib>

     4 #include <cstring>

     5 #include <cassert>

     6 #include <algorithm>

     7 

     8 using namespace std;

     9 

    10 #ifdef HAVE_STRINGS_H

    11 #   include <strings.h>

    12 #endif

    13 

    14 #if defined(__unix) || defined(__linux) || defined(__sun) || defined(__DJGPP)

    15 #   include <unistd.h>

    16 #   include <sys/types.h>

    17 #   include <sys/stat.h>

    18 #   include <climits>

    19 #   define stricmp strcasecmp

    20 // FIXME: this is wrong, but we don't want buffer overflow

    21 #   if defined _MAX_PATH

    22 #       undef _MAX_PATH

    23 //#       define _MAX_PATH 128

    24 #       define _MAX_PATH 260

    25 #   endif

    26 #endif

    27 

    28 #ifdef WIN32

    29 #   include <io.h>

    30 #   ifndef W_OK

    31 #       define W_OK 2

    32 #   endif

    33 #   define ftruncate chsize

    34 #endif

    35 

    36 #include "movie.h"

    37 #include "System.h"

    38 #include "../gba/GBA.h"

    39 #include "../gba/GBAGlobals.h"

    40 #include "../gba/RTC.h"

    41 #include "../gb/GB.h"

    42 #include "../gb/gbGlobals.h"

    43 #include "inputGlobal.h"

    44 #include "unzip.h"

    45 #include "Util.h"

    46 

    47 #include "vbalua.h"

    48 

    49 #if (defined(WIN32) && !defined(SDL))

    50 #   include "../win32/stdafx.h"

    51 #   include "../win32/MainWnd.h"

    52 #   include "../win32/VBA.h"

    53 #   include "../win32/WinMiscUtil.h"

    54 #endif

    55 

    56 extern int emulating; // from system.cpp

    57 extern u16 currentButtons[4];     // from System.cpp

    58 extern u16 lastKeys;

    59 

    60 SMovie Movie;

    61 bool   loadingMovie = false;

    62 

    63 // probably bad idea to have so many global variables, but I hate to recompile almost everything after editing VBA.h

    64 bool autoConvertMovieWhenPlaying = false;

    65 

    66 static u16 initialInputs[4] = { 0 };

    67 

    68 static bool resetSignaled	  = false;

    69 static bool resetSignaledLast = false;

    70 

    71 static int prevEmulatorType, prevBorder, prevWinBorder, prevBorderAuto;

    72 

    73 // little-endian integer pop/push functions:

    74 static inline uint32 Pop32(const uint8 * &ptr)

    75 {

    76   uint32 v = (ptr[0] | (ptr[1] << 8) | (ptr[2] << 16) | (ptr[3] << 24));

    77   ptr += 4;

    78   return v;

    79 }

    80 

    81 static inline uint16 Pop16(const uint8 * &ptr) /* const version */

    82 {

    83   uint16 v = (ptr[0] | (ptr[1] << 8));

    84   ptr += 2;

    85   return v;

    86 }

    87 

    88 static inline uint16 Pop16(uint8 * &ptr) /* non-const version */

    89 {

    90   uint16 v = (ptr[0] | (ptr[1] << 8));

    91   ptr += 2;

    92   return v;

    93 }

    94 

    95 static inline uint8 Pop8(const uint8 * &ptr)

    96 {

    97   return *(ptr)++;

    98 }

    99 

   100 static inline void Push32(uint32 v, uint8 * &ptr)

   101 {

   102   ptr[0] = (uint8)(v & 0xff);

   103   ptr[1] = (uint8)((v >> 8) & 0xff);

   104   ptr[2] = (uint8)((v >> 16) & 0xff);

   105   ptr[3] = (uint8)((v >> 24) & 0xff);

   106   ptr	  += 4;

   107 }

   108 

   109 static inline void Push16(uint16 v, uint8 * &ptr)

   110 {

   111   ptr[0] = (uint8)(v & 0xff);

   112   ptr[1] = (uint8)((v >> 8) & 0xff);

   113   ptr	  += 2;

   114 }

   115 

   116 static inline void Push8(uint8 v, uint8 * &ptr)

   117 {

   118   *ptr++ = v;

   119 }

   120 

   121 // little-endian integer read/write functions:

   122 static inline uint16 Read16(const uint8 *ptr)

   123 {

   124   return ptr[0] | (ptr[1] << 8);

   125 }

   126 

   127 static inline void Write16(uint16 v, uint8 *ptr)

   128 {

   129   ptr[0] = uint8(v & 0xff);

   130   ptr[1] = uint8((v >> 8) & 0xff);

   131 }

   132 

   133 static long file_length(FILE *fp)

   134 {

   135   long cur_pos = ftell(fp);

   136   fseek(fp, 0, SEEK_END);

   137   long length = ftell(fp);

   138   fseek(fp, cur_pos, SEEK_SET);

   139   return length;

   140 }

   141 

   142 static int bytes_per_frame(SMovie &mov)

   143 {

   144   int num_controllers = 0;

   145 

   146   for (int i = 0; i < MOVIE_NUM_OF_POSSIBLE_CONTROLLERS; ++i)

   147     if (mov.header.controllerFlags & MOVIE_CONTROLLER(i))

   148       ++num_controllers;

   149 

   150   return CONTROLLER_DATA_SIZE * num_controllers;

   151 }

   152 

   153 static void reserve_buffer_space(uint32 space_needed)

   154 {

   155   if (space_needed > Movie.inputBufferSize)

   156     {

   157       uint32 ptr_offset	= Movie.inputBufferPtr - Movie.inputBuffer;

   158       uint32 alloc_chunks = (space_needed - 1) / BUFFER_GROWTH_SIZE + 1;

   159       uint32 old_size     = Movie.inputBufferSize;

   160       Movie.inputBufferSize = BUFFER_GROWTH_SIZE * alloc_chunks;

   161       Movie.inputBuffer	  = (uint8 *)realloc(Movie.inputBuffer, Movie.inputBufferSize);

   162       // FIXME: this only fixes the random input problem during dma-frame-skip, but not the skip

   163       memset(Movie.inputBuffer + old_size, 0, Movie.inputBufferSize - old_size);

   164       Movie.inputBufferPtr  = Movie.inputBuffer + ptr_offset;

   165     }

   166 }

   167 

   168 static int read_movie_header(FILE *file, SMovie &movie)

   169 {

   170   assert(file != NULL);

   171   assert(VBM_HEADER_SIZE == sizeof(SMovieFileHeader)); // sanity check on the header type definition

   172 

   173   uint8 headerData [VBM_HEADER_SIZE];

   174 

   175   if (fread(headerData, 1, VBM_HEADER_SIZE, file) != VBM_HEADER_SIZE)

   176     return MOVIE_WRONG_FORMAT;  // if we failed to read in all VBM_HEADER_SIZE bytes of the header

   177 

   178   const uint8 *	  ptr	 = headerData;

   179   SMovieFileHeader &header = movie.header;

   180 

   181   header.magic = Pop32(ptr);

   182   if (header.magic != VBM_MAGIC)

   183     return MOVIE_WRONG_FORMAT;

   184 

   185   header.version = Pop32(ptr);

   186   if (header.version != VBM_VERSION)

   187     return MOVIE_WRONG_VERSION;

   188 

   189   header.uid = Pop32(ptr);

   190   header.length_frames  = Pop32(ptr) + 1;    // HACK: add 1 to the length for compatibility

   191   header.rerecord_count = Pop32(ptr);

   192 

   193   header.startFlags	   = Pop8(ptr);

   194   header.controllerFlags = Pop8(ptr);

   195   header.typeFlags	   = Pop8(ptr);

   196   header.optionFlags	   = Pop8(ptr);

   197 

   198   header.saveType		  = Pop32(ptr);

   199   header.flashSize	  = Pop32(ptr);

   200   header.gbEmulatorType = Pop32(ptr);

   201 

   202   for (int i = 0; i < 12; i++)

   203     header.romTitle[i] = Pop8(ptr);

   204 

   205   header.minorVersion = Pop8(ptr);

   206 

   207   header.romCRC = Pop8(ptr);

   208   header.romOrBiosChecksum = Pop16(ptr);

   209   header.romGameCode		 = Pop32(ptr);

   210 

   211   header.offset_to_savestate		 = Pop32(ptr);

   212   header.offset_to_controller_data = Pop32(ptr);

   213 

   214   return MOVIE_SUCCESS;

   215 }

   216 

   217 static void write_movie_header(FILE *file, const SMovie &movie)

   218 {

   219   assert(ftell(file) == 0); // we assume file points to beginning of movie file

   220 

   221   uint8  headerData [VBM_HEADER_SIZE];

   222   uint8 *ptr = headerData;

   223   const SMovieFileHeader &header = movie.header;

   224 

   225   Push32(header.magic, ptr);

   226   Push32(header.version, ptr);

   227 

   228   Push32(header.uid, ptr);

   229   Push32(header.length_frames - 1, ptr);     // HACK: reduce the length by 1 for compatibility with certain faulty old tools

   230   // like TME

   231   Push32(header.rerecord_count, ptr);

   232 

   233   Push8(header.startFlags, ptr);

   234   Push8(header.controllerFlags, ptr);

   235   Push8(header.typeFlags, ptr);

   236   Push8(header.optionFlags, ptr);

   237 

   238   Push32(header.saveType, ptr);

   239   Push32(header.flashSize, ptr);

   240   Push32(header.gbEmulatorType, ptr);

   241 

   242   for (int i = 0; i < 12; ++i)

   243     Push8(header.romTitle[i], ptr);

   244 

   245   Push8(header.minorVersion, ptr);

   246 

   247   Push8(header.romCRC, ptr);

   248   Push16(header.romOrBiosChecksum, ptr);

   249   Push32(header.romGameCode, ptr);

   250 

   251   Push32(header.offset_to_savestate, ptr);

   252   Push32(header.offset_to_controller_data, ptr);

   253 

   254   fwrite(headerData, 1, VBM_HEADER_SIZE, file);

   255 }

   256 

   257 static void flush_movie_header()

   258 {

   259   assert(Movie.file != 0 && "logical error!");

   260   if (!Movie.file)

   261     return;

   262 

   263   long originalPos = ftell(Movie.file);

   264 

   265   // (over-)write the header

   266   fseek(Movie.file, 0, SEEK_SET);

   267   write_movie_header(Movie.file, Movie);

   268 

   269   fflush(Movie.file);

   270 

   271   fseek(Movie.file, originalPos, SEEK_SET);

   272 }

   273 

   274 static void flush_movie_frames()

   275 {

   276   assert(Movie.file && "logical error!");

   277   if (!Movie.file)

   278     return;

   279 

   280   long originalPos = ftell(Movie.file);

   281 

   282   // overwrite the controller data

   283   fseek(Movie.file, Movie.header.offset_to_controller_data, SEEK_SET);

   284   fwrite(Movie.inputBuffer, 1, Movie.bytesPerFrame * Movie.header.length_frames, Movie.file);

   285 

   286   fflush(Movie.file);

   287 

   288   fseek(Movie.file, originalPos, SEEK_SET);

   289 }

   290 

   291 static void truncate_movie(long length)

   292 {

   293   // truncate movie to length

   294   // NOTE: it's certain that the savestate block is never after the

   295   //       controller data block, because the VBM format decrees it.

   296 

   297   assert(Movie.file && length >= 0);

   298   if (!Movie.file || length < 0)

   299     return;

   300 

   301   assert(Movie.header.offset_to_savestate <= Movie.header.offset_to_controller_data);

   302   if (Movie.header.offset_to_savestate > Movie.header.offset_to_controller_data)

   303     return;

   304 

   305   Movie.header.length_frames = length;

   306   flush_movie_header();

   307   const long truncLen = long(Movie.header.offset_to_controller_data + Movie.bytesPerFrame * length);

   308   if (file_length(Movie.file) != truncLen)

   309     {

   310       ftruncate(fileno(Movie.file), truncLen);

   311     }

   312 }

   313 

   314 static void remember_input_state()

   315 {

   316   for (int i = 0; i < MOVIE_NUM_OF_POSSIBLE_CONTROLLERS; ++i)

   317     {

   318       if (systemCartridgeType == 0)

   319 	{

   320 	  initialInputs[i] = u16(~P1 & 0x03FF);

   321 	}

   322       else

   323 	{

   324 	  extern int32 gbJoymask[4];

   325 	  for (int i = 0; i < 4; ++i)

   326 	    initialInputs[i] = u16(gbJoymask[i] & 0xFFFF);

   327 	}

   328     }

   329 }

   330 

   331 static void change_state(MovieState new_state)

   332 {

   333 #if (defined(WIN32) && !defined(SDL))

   334   theApp.frameSearching	   = false;

   335   theApp.frameSearchSkipping = false;

   336 #endif

   337 

   338   if (new_state == MOVIE_STATE_NONE)

   339     {

   340       Movie.pauseFrame = -1;

   341 

   342       if (Movie.state == MOVIE_STATE_NONE)

   343 	return;

   344 

   345       truncate_movie(Movie.header.length_frames);

   346 

   347       fclose(Movie.file);

   348       Movie.file		   = NULL;

   349       Movie.currentFrame = 0;

   350 #if (defined(WIN32) && !defined(SDL))

   351       // undo changes to border settings

   352       {

   353 	gbBorderOn = prevBorder;

   354 	theApp.winGbBorderOn = prevWinBorder;

   355 	gbBorderAutomatic	 = prevBorderAuto;

   356 	systemGbBorderOn();

   357       }

   358 #endif

   359       gbEmulatorType = prevEmulatorType;

   360 

   361       extern int32 gbDMASpeedVersion;

   362       gbDMASpeedVersion = 1;

   363 

   364       extern int32 gbEchoRAMFixOn;

   365       gbEchoRAMFixOn = 1;

   366 

   367       gbNullInputHackTempEnabled = gbNullInputHackEnabled;

   368 

   369       if (Movie.inputBuffer)

   370 	{

   371 	  free(Movie.inputBuffer);

   372 	  Movie.inputBuffer = NULL;

   373 	}

   374     }

   375   else if (new_state == MOVIE_STATE_PLAY)

   376     {

   377       assert(Movie.file);

   378 

   379       // this would cause problems if not dealt with

   380       if (Movie.currentFrame >= Movie.header.length_frames)

   381 	{

   382 	  new_state = MOVIE_STATE_END;

   383 	  Movie.inputBufferPtr = Movie.inputBuffer + Movie.bytesPerFrame * Movie.header.length_frames;

   384 	}

   385     }

   386   else if (new_state == MOVIE_STATE_RECORD)

   387     {

   388       assert(Movie.file);

   389 

   390       // this would cause problems if not dealt with

   391       if (Movie.currentFrame > Movie.header.length_frames)

   392 	{

   393 	  new_state = MOVIE_STATE_END;

   394 	  Movie.inputBufferPtr = Movie.inputBuffer + Movie.bytesPerFrame * Movie.header.length_frames;

   395 	}

   396 

   397       fseek(Movie.file, Movie.header.offset_to_controller_data + Movie.bytesPerFrame * Movie.currentFrame, SEEK_SET);

   398     }

   399 

   400   if (new_state == MOVIE_STATE_END && Movie.state != MOVIE_STATE_END)

   401     {

   402 #if defined(SDL)		

   403       systemClearJoypads();

   404 #endif

   405       systemScreenMessage("Movie end");

   406     }

   407 

   408   Movie.state = new_state;

   409 

   410   // checking for movie end

   411   bool willPause = false;

   412 

   413   // if the movie's been set to pause at a certain frame

   414   if (Movie.state != MOVIE_STATE_NONE && Movie.pauseFrame >= 0 && Movie.currentFrame == (uint32)Movie.pauseFrame)

   415     {

   416       Movie.pauseFrame = -1;

   417       willPause		 = true;

   418     }

   419 

   420   if (Movie.state == MOVIE_STATE_END)

   421     {

   422       if (Movie.currentFrame == Movie.header.length_frames)

   423 	{

   424 #if (defined(WIN32) && !defined(SDL))

   425 	  if (theApp.movieOnEndPause)

   426 	    {

   427 	      willPause = true;

   428 	    }

   429 #else

   430 	  // SDL FIXME

   431 #endif

   432 

   433 #if (defined(WIN32) && !defined(SDL))

   434 	  switch (theApp.movieOnEndBehavior)

   435 	    {

   436 	    case 1:

   437 	      // the old behavior

   438 	      //VBAMovieRestart();

   439 	      break;

   440 	    case 2:

   441 #else

   442 	      // SDL FIXME

   443 #endif

   444 	      if (Movie.RecordedThisSession)

   445 		{

   446 		  // if user has been recording this movie since the last time it started playing,

   447 		  // they probably don't want the movie to end now during playback,

   448 		  // so switch back to recording when it reaches the end

   449 		  VBAMovieSwitchToRecording();

   450 		  systemScreenMessage("Recording resumed");

   451 		  willPause = true;

   452 		}

   453 #if (defined(WIN32) && !defined(SDL))

   454 	      break;

   455 	    case 3:

   456 	      // keep open

   457 	      break;

   458 	    case 0:

   459 	      // fall through

   460 	    default:

   461 	      // close movie

   462 	      //VBAMovieStop(false);

   463 	      break;

   464 	    }

   465 #else

   466 	  // SDL FIXME

   467 #endif

   468 	}

   469 #if 1

   470       else if (Movie.currentFrame > Movie.header.length_frames)

   471 	{

   472 #if (defined(WIN32) && !defined(SDL))

   473 	  switch (theApp.movieOnEndBehavior)

   474 	    {

   475 	    case 1:

   476 	      // FIXME: this should be delayed till the current frame ends

   477 	      VBAMovieRestart();

   478 	      break;

   479 	    case 2:

   480 	      // nothing

   481 	      break;

   482 	    case 3:

   483 	      // keep open

   484 	      break;

   485 	    case 0:

   486 	      // fall through

   487 	    default:

   488 	      // close movie

   489 	      VBAMovieStop(false);

   490 	      break;

   491 	    }

   492 #else

   493 	  // SDLFIXME

   494 #endif

   495 	}

   496 #endif

   497     } // end if (Movie.state == MOVIE_STATE_END)

   498 

   499   if (willPause)

   500     {

   501       systemSetPause(true);

   502     }

   503 }

   504 

   505 void VBAMovieInit()

   506 {

   507   memset(&Movie, 0, sizeof(Movie));

   508   Movie.state		 = MOVIE_STATE_NONE;

   509   Movie.pauseFrame = -1;

   510 

   511   resetSignaled	  = false;

   512   resetSignaledLast = false;

   513 }

   514 

   515 void VBAMovieGetRomInfo(const SMovie &movieInfo, char romTitle [12], uint32 &romGameCode, uint16 &checksum, uint8 &crc)

   516 {

   517   if (systemCartridgeType == 0) // GBA

   518     {

   519       extern u8 *bios, *rom;

   520       memcpy(romTitle, &rom[0xa0], 12); // GBA TITLE

   521       memcpy(&romGameCode, &rom[0xac], 4); // GBA ROM GAME CODE

   522       if ((movieInfo.header.optionFlags & MOVIE_SETTING_USEBIOSFILE) != 0)

   523 	checksum = utilCalcBIOSChecksum(bios, 4);  // GBA BIOS CHECKSUM

   524       else

   525 	checksum = 0;

   526       crc = rom[0xbd]; // GBA ROM CRC

   527     }

   528   else // non-GBA

   529     {

   530       extern u8 *gbRom;

   531       memcpy(romTitle, &gbRom[0x134], 12); // GB TITLE (note this can be 15 but is truncated to 12)

   532       romGameCode = (uint32)gbRom[0x146]; // GB ROM UNIT CODE

   533 

   534       checksum = (gbRom[0x14e] << 8) | gbRom[0x14f]; // GB ROM CHECKSUM, read from big-endian

   535       crc		 = gbRom[0x14d]; // GB ROM CRC

   536     }

   537 }

   538 

   539 #ifdef SDL

   540 static void GetBatterySaveName(char *buffer)

   541 {

   542   extern char batteryDir[2048], filename[2048];     // from SDL.cpp

   543   extern char *sdlGetFilename(char *name);     // from SDL.cpp

   544   if (batteryDir[0])

   545     sprintf(buffer, "%s/%s.sav", batteryDir, sdlGetFilename(filename));

   546   else

   547     sprintf(buffer, "%s.sav", filename);

   548 }

   549 

   550 #endif

   551 

   552 static void SetPlayEmuSettings()

   553 {

   554   prevEmulatorType = gbEmulatorType;

   555   gbEmulatorType	 = Movie.header.gbEmulatorType;

   556 

   557 #if (defined(WIN32) && !defined(SDL))

   558   //    theApp.removeIntros   = false;

   559   theApp.skipBiosFile = (Movie.header.optionFlags & MOVIE_SETTING_SKIPBIOSFILE) != 0;

   560   theApp.useBiosFile	= (Movie.header.optionFlags & MOVIE_SETTING_USEBIOSFILE) != 0;

   561 #else

   562   extern int	 saveType, sdlRtcEnable, sdlFlashSize;   // from SDL.cpp

   563   extern bool8 useBios, skipBios, removeIntros;     // from SDL.cpp

   564   useBios		 = (Movie.header.optionFlags & MOVIE_SETTING_USEBIOSFILE) != 0;

   565   skipBios	 = (Movie.header.optionFlags & MOVIE_SETTING_SKIPBIOSFILE) != 0;

   566   removeIntros = false /*(Movie.header.optionFlags & MOVIE_SETTING_REMOVEINTROS) != 0*/;

   567 #endif

   568 

   569   extern void SetPrefetchHack(bool);

   570   if (systemCartridgeType == 0)    // lag disablement applies only to GBA

   571     SetPrefetchHack((Movie.header.optionFlags & MOVIE_SETTING_LAGHACK) != 0);

   572 

   573   gbNullInputHackTempEnabled = ((Movie.header.optionFlags & MOVIE_SETTING_GBINPUTHACK) != 0);

   574 

   575   // some GB/GBC games depend on the sound rate, so just use the highest one

   576   systemSoundSetQuality(1);

   577   useOldFrameTiming = false;

   578 

   579   extern int32 gbDMASpeedVersion;

   580   if ((Movie.header.optionFlags & MOVIE_SETTING_GBCFF55FIX) != 0)

   581     gbDMASpeedVersion = 1;

   582   else

   583     gbDMASpeedVersion = 0;     // old CGB HDMA5 timing was used

   584 

   585   extern int32 gbEchoRAMFixOn;

   586   if ((Movie.header.optionFlags & MOVIE_SETTING_GBECHORAMFIX) != 0)

   587     gbEchoRAMFixOn = 1;

   588   else

   589     gbEchoRAMFixOn = 0;

   590 

   591 #if (defined(WIN32) && !defined(SDL))

   592   rtcEnable((Movie.header.optionFlags & MOVIE_SETTING_RTCENABLE) != 0);

   593   theApp.winSaveType	= Movie.header.saveType;

   594   theApp.winFlashSize = Movie.header.flashSize;

   595 

   596   prevBorder	   = gbBorderOn;

   597   prevWinBorder  = theApp.winGbBorderOn;

   598   prevBorderAuto = gbBorderAutomatic;

   599   if ((gbEmulatorType == 2 || gbEmulatorType == 5)

   600       && !theApp.hideMovieBorder) // games played in SGB mode can have a border

   601     {

   602       gbBorderOn = true;

   603       theApp.winGbBorderOn = true;

   604       gbBorderAutomatic	 = false;

   605     }

   606   else

   607     {

   608       gbBorderOn = false;

   609       theApp.winGbBorderOn = false;

   610       gbBorderAutomatic	 = false;

   611       if (theApp.hideMovieBorder)

   612 	{

   613 	  theApp.hideMovieBorder = false;

   614 	  prevBorder = false;     // it might be expected behaviour that it stays hidden after the movie

   615 	}

   616     }

   617   systemGbBorderOn();

   618 #else

   619   sdlRtcEnable = (Movie.header.optionFlags & MOVIE_SETTING_RTCENABLE) != 0;

   620   saveType	 = Movie.header.saveType;

   621   sdlFlashSize = Movie.header.flashSize;

   622 #endif

   623 }

   624 

   625 static void HardResetAndSRAMClear()

   626 {

   627 #if (defined(WIN32) && !defined(SDL))

   628   winEraseBatteryFile(); // delete the damn SRAM file and keep it from being resurrected from RAM

   629   MainWnd *temp = ((MainWnd *)theApp.m_pMainWnd);

   630   if (!temp->winFileRun(true)) // restart running the game

   631     {

   632       temp->winFileClose();

   633     }

   634 #else

   635   char fname [1024];

   636   GetBatterySaveName(fname);

   637   remove(fname);     // delete the damn SRAM file

   638 

   639   // Henceforth, emuCleanUp means "clear out SRAM"

   640   //theEmulator.emuCleanUp();     // keep it from being resurrected from RAM <--This is wrong, it'll deallocate all variables --Felipe

   641 

   642   /// FIXME the correct SDL code to call for a full restart isn't in a function yet

   643   theEmulator.emuReset(false);

   644 #endif

   645 }

   646 

   647 int VBAMovieOpen(const char *filename, bool8 read_only)

   648 {

   649   loadingMovie = true;

   650   uint8 movieReadOnly = read_only ? 1 : 0;

   651 

   652   FILE * file;

   653   STREAM stream;

   654   int	   result;

   655   int	   fn;

   656 

   657   char movie_filename[_MAX_PATH];

   658 #ifdef WIN32

   659   _fullpath(movie_filename, filename, _MAX_PATH);

   660 #else

   661   // SDL FIXME: convert to fullpath

   662   strncpy(movie_filename, filename, _MAX_PATH);

   663   movie_filename[_MAX_PATH - 1] = '\0';

   664 #endif

   665 

   666   if (movie_filename[0] == '\0')

   667     { loadingMovie = false; return MOVIE_FILE_NOT_FOUND; }

   668 

   669   if (!emulating)

   670     { loadingMovie = false; return MOVIE_UNKNOWN_ERROR; }

   671 

   672   //	bool alreadyOpen = (Movie.file != NULL && _stricmp(movie_filename, Movie.filename) == 0);

   673 

   674   //	if (alreadyOpen)

   675   change_state(MOVIE_STATE_NONE);     // have to stop current movie before trying to re-open it

   676 

   677   if (!(file = fopen(movie_filename, "rb+")))

   678     if (!(file = fopen(movie_filename, "rb")))

   679       { loadingMovie = false; return MOVIE_FILE_NOT_FOUND; }

   680   //else

   681   //	movieReadOnly = 2; // we have to open the movie twice, no need to do this both times

   682 

   683   //	if (!alreadyOpen)

   684   //		change_state(MOVIE_STATE_NONE); // stop current movie when we're able to open the other one

   685   //

   686   //	if (!(file = fopen(movie_filename, "rb+")))

   687   //		if(!(file = fopen(movie_filename, "rb")))

   688   //			{loadingMovie = false; return MOVIE_FILE_NOT_FOUND;}

   689   //		else

   690   //			movieReadOnly = 2;

   691 

   692   // clear out the current movie

   693   VBAMovieInit();

   694 

   695   // read header

   696   if ((result = read_movie_header(file, Movie)) != MOVIE_SUCCESS)

   697     {

   698       fclose(file);

   699       { loadingMovie = false; return result; }

   700     }

   701 

   702   // set emulator settings that make the movie more likely to stay synchronized

   703   SetPlayEmuSettings();

   704 

   705   //	extern bool systemLoadBIOS();

   706   //	if (!systemLoadBIOS())

   707   //	{ loadingMovie = false; return MOVIE_UNKNOWN_ERROR; }

   708 

   709   // read the metadata / author info from file

   710   fread(Movie.authorInfo, 1, MOVIE_METADATA_SIZE, file);

   711   fn = dup(fileno(file)); // XXX: why does this fail?? it returns -1 but errno == 0

   712   fclose(file);

   713 

   714   // apparently this lseek is necessary

   715   lseek(fn, Movie.header.offset_to_savestate, SEEK_SET);

   716   if (!(stream = utilGzReopen(fn, "rb")))

   717     if (!(stream = utilGzOpen(movie_filename, "rb")))

   718       { loadingMovie = false; return MOVIE_FILE_NOT_FOUND; }

   719     else

   720       fn = dup(fileno(file));

   721   // in case the above dup failed but opening the file normally doesn't fail

   722 

   723   if (Movie.header.startFlags & MOVIE_START_FROM_SNAPSHOT)

   724     {

   725       // load the snapshot

   726       result = theEmulator.emuReadStateFromStream(stream) ? MOVIE_SUCCESS : MOVIE_WRONG_FORMAT;

   727 

   728       // FIXME: Kludge for conversion

   729       remember_input_state();

   730     }

   731   else if (Movie.header.startFlags & MOVIE_START_FROM_SRAM)

   732     {

   733       // 'soft' reset:

   734       theEmulator.emuReset(false);

   735 

   736       // load the SRAM

   737       result = theEmulator.emuReadBatteryFromStream(stream) ? MOVIE_SUCCESS : MOVIE_WRONG_FORMAT;

   738     }

   739   else

   740     {

   741       HardResetAndSRAMClear();

   742     }

   743 

   744   utilGzClose(stream);

   745 

   746   if (result != MOVIE_SUCCESS)

   747     { loadingMovie = false; return result; }

   748 

   749   //	if (!(file = fopen(movie_filename, /*read_only ? "rb" :*/ "rb+"))) // want to be able to switch out of read-only later

   750   //	{

   751   //		if(!Movie.readOnly || !(file = fopen(movie_filename, "rb"))) // try read-only if failed

   752   //			return MOVIE_FILE_NOT_FOUND;

   753   //	}

   754   if (!(file = fopen(movie_filename, "rb+")))

   755     if (!(file = fopen(movie_filename, "rb")))

   756       { loadingMovie = false; return MOVIE_FILE_NOT_FOUND; }

   757     else

   758       movieReadOnly = 2;

   759 

   760   // recalculate length of movie from the file size

   761   Movie.bytesPerFrame = bytes_per_frame(Movie);

   762   fseek(file, 0, SEEK_END);

   763   long fileSize = ftell(file);

   764   Movie.header.length_frames = (fileSize - Movie.header.offset_to_controller_data) / Movie.bytesPerFrame;

   765 

   766   if (fseek(file, Movie.header.offset_to_controller_data, SEEK_SET))

   767     { fclose(file); loadingMovie = false; return MOVIE_WRONG_FORMAT; }

   768 

   769   strcpy(Movie.filename, movie_filename);

   770   Movie.file = file;

   771   Movie.inputBufferPtr	  = Movie.inputBuffer;

   772   Movie.currentFrame		  = 0;

   773   Movie.readOnly			  = movieReadOnly;

   774   Movie.RecordedThisSession = false;

   775 

   776   // read controller data

   777   uint32 to_read = Movie.bytesPerFrame * Movie.header.length_frames;

   778   reserve_buffer_space(to_read);

   779   fread(Movie.inputBuffer, 1, to_read, file);

   780 

   781   change_state(MOVIE_STATE_PLAY);

   782 

   783   char messageString[64] = "Movie ";

   784   bool converted		   = false;

   785   if (autoConvertMovieWhenPlaying)

   786     {

   787       int result = VBAMovieConvertCurrent();

   788       if (result == MOVIE_SUCCESS)

   789 	strcat(messageString, "converted and ");

   790       else if (result == MOVIE_WRONG_VERSION)

   791 	strcat(messageString, "higher revision ");

   792     }

   793 

   794   if (Movie.state == MOVIE_STATE_PLAY)

   795     strcat(messageString, "replaying ");

   796   else

   797     strcat(messageString, "finished ");

   798   if (Movie.readOnly)

   799     strcat(messageString, "(read)");

   800   else

   801     strcat(messageString, "(edit)");

   802   systemScreenMessage(messageString);

   803 

   804   VBAUpdateButtonPressDisplay();

   805   VBAUpdateFrameCountDisplay();

   806   systemRefreshScreen();

   807 

   808   { loadingMovie = false; return MOVIE_SUCCESS; }

   809 }

   810 

   811 static void SetRecordEmuSettings()

   812 {

   813   Movie.header.optionFlags = 0;

   814 #if (defined(WIN32) && !defined(SDL))

   815   if (theApp.useBiosFile)

   816     Movie.header.optionFlags |= MOVIE_SETTING_USEBIOSFILE;

   817   if (theApp.skipBiosFile)

   818     Movie.header.optionFlags |= MOVIE_SETTING_SKIPBIOSFILE;

   819   if (rtcIsEnabled())

   820     Movie.header.optionFlags |= MOVIE_SETTING_RTCENABLE;

   821   Movie.header.saveType  = theApp.winSaveType;

   822   Movie.header.flashSize = theApp.winFlashSize;

   823 #else

   824   extern int	 saveType, sdlRtcEnable, sdlFlashSize;   // from SDL.cpp

   825   extern bool8 useBios, skipBios;     // from SDL.cpp

   826   if (useBios)

   827     Movie.header.optionFlags |= MOVIE_SETTING_USEBIOSFILE;

   828   if (skipBios)

   829     Movie.header.optionFlags |= MOVIE_SETTING_SKIPBIOSFILE;

   830   if (sdlRtcEnable)

   831     Movie.header.optionFlags |= MOVIE_SETTING_RTCENABLE;

   832   Movie.header.saveType  = saveType;

   833   Movie.header.flashSize = sdlFlashSize;

   834 #endif

   835   prevEmulatorType = Movie.header.gbEmulatorType = gbEmulatorType;

   836 

   837   if (!memLagTempEnabled)

   838     Movie.header.optionFlags |= MOVIE_SETTING_LAGHACK;

   839 

   840   if (gbNullInputHackTempEnabled)

   841     Movie.header.optionFlags |= MOVIE_SETTING_GBINPUTHACK;

   842 

   843   Movie.header.optionFlags |= MOVIE_SETTING_GBCFF55FIX;

   844   extern int32 gbDMASpeedVersion;

   845   gbDMASpeedVersion = 1;

   846 

   847   Movie.header.optionFlags |= MOVIE_SETTING_GBECHORAMFIX;

   848   extern int32 gbEchoRAMFixOn;

   849   gbEchoRAMFixOn = 1;

   850 

   851   // some GB/GBC games depend on the sound rate, so just use the highest one

   852   systemSoundSetQuality(1);

   853 

   854   useOldFrameTiming = false;

   855 

   856 #if (defined(WIN32) && !defined(SDL))

   857   //    theApp.removeIntros   = false;

   858 

   859   prevBorder	   = gbBorderOn;

   860   prevWinBorder  = theApp.winGbBorderOn;

   861   prevBorderAuto = gbBorderAutomatic;

   862   if (gbEmulatorType == 2 || gbEmulatorType == 5)     // only games played in SGB mode will have a border

   863     {

   864       gbBorderOn = true;

   865       theApp.winGbBorderOn = true;

   866       gbBorderAutomatic	 = false;

   867     }

   868   else

   869     {

   870       gbBorderOn = false;

   871       theApp.winGbBorderOn = false;

   872       gbBorderAutomatic	 = false;

   873     }

   874   systemGbBorderOn();

   875 #else

   876   /// SDLFIXME

   877 #endif

   878 }

   879 

   880 uint16 VBAMovieGetCurrentInputOf(int controllerNum, bool normalOnly)

   881 {

   882   if (controllerNum < 0 || controllerNum >= MOVIE_NUM_OF_POSSIBLE_CONTROLLERS)

   883     return 0;

   884 

   885   return normalOnly ? (currentButtons[controllerNum] & BUTTON_REGULAR_MASK) : currentButtons[controllerNum];

   886 }

   887 

   888 int VBAMovieCreate(const char *filename, const char *authorInfo, uint8 startFlags, uint8 controllerFlags, uint8 typeFlags)

   889 {

   890   // make sure at least one controller is enabled

   891   if ((controllerFlags & MOVIE_CONTROLLERS_ANY_MASK) == 0)

   892     return MOVIE_WRONG_FORMAT;

   893 

   894   if (!emulating)

   895     return MOVIE_UNKNOWN_ERROR;

   896 

   897   loadingMovie = true;

   898 

   899   FILE * file;

   900   STREAM stream;

   901   int	   fn;

   902 

   903   char movie_filename [_MAX_PATH];

   904 #ifdef WIN32

   905   _fullpath(movie_filename, filename, _MAX_PATH);

   906 #else

   907   // FIXME: convert to fullpath

   908   strncpy(movie_filename, filename, _MAX_PATH);

   909   movie_filename[_MAX_PATH - 1] = '\0';

   910 #endif

   911 

   912   bool alreadyOpen = (Movie.file != NULL && stricmp(movie_filename, Movie.filename) == 0);

   913 

   914   if (alreadyOpen)

   915     change_state(MOVIE_STATE_NONE);  // have to stop current movie before trying to re-open it

   916 

   917   if (movie_filename[0] == '\0')

   918     { loadingMovie = false; return MOVIE_FILE_NOT_FOUND; }

   919 

   920   if (!(file = fopen(movie_filename, "wb")))

   921     { loadingMovie = false; return MOVIE_FILE_NOT_FOUND; }

   922 

   923   if (!alreadyOpen)

   924     change_state(MOVIE_STATE_NONE);  // stop current movie when we're able to open the other one

   925 

   926   // clear out the current movie

   927   printf("RLM: movie init\n");

   928 

   929   VBAMovieInit();

   930 

   931   // fill in the movie's header

   932   Movie.header.uid   = (uint32)time(NULL);

   933   Movie.header.magic = VBM_MAGIC;

   934   Movie.header.version		 = VBM_VERSION;

   935   Movie.header.rerecord_count	 = 0;

   936   Movie.header.length_frames	 = 0;

   937   Movie.header.startFlags		 = startFlags;

   938   Movie.header.controllerFlags = controllerFlags;

   939   Movie.header.typeFlags		 = typeFlags;

   940   Movie.header.minorVersion	 = VBM_REVISION;

   941 

   942   // set emulator settings that make the movie more likely to stay synchronized when it's later played back

   943   SetRecordEmuSettings();

   944 

   945   // set ROM and BIOS checksums and stuff

   946   VBAMovieGetRomInfo(Movie, Movie.header.romTitle, Movie.header.romGameCode, Movie.header.romOrBiosChecksum, Movie.header.romCRC);

   947 	

   948   printf("RLM: Writing movie header\n");

   949   // write the header to file

   950   write_movie_header(file, Movie);

   951 

   952   printf("RLM: setting metadata\n");

   953 

   954   // copy over the metadata / author info

   955   VBAMovieSetMetadata("________________Robert  McIntyre______________________________________________________________________________________________________________________________________________________________________________________________________________________");

   956 	

   957   printf("RLM: writing metadata\n");

   958 

   959   // write the metadata / author info to file

   960 

   961 

   962   fwrite(Movie.authorInfo, 1, sizeof(char) * MOVIE_METADATA_SIZE, file);

   963 

   964   // write snapshot or SRAM if applicable

   965   if (Movie.header.startFlags & MOVIE_START_FROM_SNAPSHOT

   966       || Movie.header.startFlags & MOVIE_START_FROM_SRAM)

   967     {

   968       Movie.header.offset_to_savestate = (uint32)ftell(file);

   969 

   970       // close the file and reopen it as a stream:

   971 

   972       fn = dup(fileno(file));

   973       fclose(file);

   974 

   975       if (!(stream = utilGzReopen(fn, "ab"))) // append mode to start at end, no seek necessary

   976 	{ loadingMovie = false; return MOVIE_FILE_NOT_FOUND; }

   977 

   978       // write the save data:

   979       if (Movie.header.startFlags & MOVIE_START_FROM_SNAPSHOT)

   980 	{

   981 	  // save snapshot

   982 	  if (!theEmulator.emuWriteStateToStream(stream))

   983 	    {

   984 	      utilGzClose(stream);

   985 	      { loadingMovie = false; return MOVIE_UNKNOWN_ERROR; }

   986 	    }

   987 	}

   988       else if (Movie.header.startFlags & MOVIE_START_FROM_SRAM)

   989 	{

   990 	  // save SRAM

   991 	  if (!theEmulator.emuWriteBatteryToStream(stream))

   992 	    {

   993 	      utilGzClose(stream);

   994 	      { loadingMovie = false; return MOVIE_UNKNOWN_ERROR; }

   995 	    }

   996 

   997 	  // 'soft' reset:

   998 	  theEmulator.emuReset(false);

   999 	}

  1000 

  1001       utilGzClose(stream);

  1002 

  1003       // reopen the file and seek back to the end

  1004 

  1005       if (!(file = fopen(movie_filename, "rb+")))

  1006 	{ loadingMovie = false; return MOVIE_FILE_NOT_FOUND; }

  1007 

  1008       fseek(file, 0, SEEK_END);

  1009     }

  1010   else // no snapshot or SRAM

  1011     {

  1012       HardResetAndSRAMClear();

  1013     }

  1014 

  1015   Movie.header.offset_to_controller_data = (uint32)ftell(file);

  1016 

  1017   strcpy(Movie.filename, movie_filename);

  1018   Movie.file = file;

  1019   Movie.bytesPerFrame		  = bytes_per_frame(Movie);

  1020   Movie.inputBufferPtr	  = Movie.inputBuffer;

  1021   Movie.currentFrame		  = 0;

  1022   Movie.readOnly			  = false;

  1023   Movie.RecordedThisSession = true;

  1024 

  1025   change_state(MOVIE_STATE_RECORD);

  1026 

  1027   systemScreenMessage("Recording movie...");

  1028   { loadingMovie = false; return MOVIE_SUCCESS; }

  1029 }

  1030 

  1031 void VBAUpdateButtonPressDisplay()

  1032 {

  1033   uint32 keys = currentButtons[0] & BUTTON_REGULAR_RECORDING_MASK;

  1034 

  1035   const static char KeyMap[]	 =  { 'A', 'B', 's', 'S', '>', '<', '^', 'v', 'R', 'L', '!', '?', '{', '}', 'v', '^' };

  1036   const static int  KeyOrder[] = { 5, 6, 4, 7, 0, 1, 9, 8, 3, 2, 12, 15, 13, 14, 11, 10 }; // < ^ > v   A B  L R  S s  { = } _

  1037   // ? !

  1038   char buffer[256];

  1039   sprintf(buffer, "                    ");

  1040 

  1041 #ifndef WIN32

  1042   // don't bother color-coding autofire and such

  1043   int i;

  1044   for (i = 0; i < 15; i++)

  1045     {

  1046       int j	 = KeyOrder[i];

  1047       int mask = (1 << (j));

  1048       buffer[strlen("    ") + i] = ((keys & mask) != 0) ? KeyMap[j] : ' ';

  1049     }

  1050 

  1051   systemScreenMessage(buffer, 2, -1);

  1052 #else

  1053   const bool eraseAll		= !theApp.inputDisplay;

  1054   uint32	   autoHeldKeys = eraseAll ? 0 : theApp.autoHold & BUTTON_REGULAR_RECORDING_MASK;

  1055   uint32	   autoFireKeys = eraseAll ? 0 : (theApp.autoFire | theApp.autoFire2) & BUTTON_REGULAR_RECORDING_MASK;

  1056   uint32	   pressedKeys	= eraseAll ? 0 : keys;

  1057 

  1058   char colorList[64];

  1059   memset(colorList, 1, strlen(buffer));

  1060 

  1061   if (!eraseAll)

  1062     {

  1063       for (int i = 0; i < 15; i++)

  1064 	{

  1065 	  const int  j		 = KeyOrder[i];

  1066 	  const int  mask		 = (1 << (j));

  1067 	  bool	   pressed	 = (pressedKeys  & mask) != 0;

  1068 	  const bool autoHeld	 = (autoHeldKeys & mask) != 0;

  1069 	  const bool autoFired = (autoFireKeys & mask) != 0;

  1070 	  const bool erased	 = (lastKeys & mask) != 0 && (!pressed && !autoHeld && !autoFired);

  1071 	  extern int textMethod;

  1072 	  if (textMethod != 2 && (autoHeld || (autoFired && !pressed) || erased))

  1073 	    {

  1074 	      int colorNum = 1;     // default is white

  1075 	      if (autoHeld)

  1076 		colorNum += (pressed ? 2 : 1);     // yellow if pressed, red if not

  1077 	      else if (autoFired)

  1078 		colorNum += 5;     // blue if autofired and not currently pressed

  1079 	      else if (erased)

  1080 		colorNum += 8;     // black on black

  1081 

  1082 	      colorList[strlen("    ") + i] = colorNum;

  1083 	      pressed = true;

  1084 	    }

  1085 	  buffer[strlen("    ") + i] = pressed ? KeyMap[j] : ' ';

  1086 	}

  1087     }

  1088 

  1089   lastKeys  = currentButtons[0];

  1090   lastKeys |= theApp.autoHold & BUTTON_REGULAR_RECORDING_MASK;

  1091   lastKeys |= (theApp.autoFire | theApp.autoFire2) & BUTTON_REGULAR_RECORDING_MASK;

  1092 

  1093   systemScreenMessage(buffer, 2, -1, colorList);

  1094 #endif

  1095 }

  1096 

  1097 void VBAUpdateFrameCountDisplay()

  1098 {

  1099   const int MAGICAL_NUMBER = 64;  // FIXME: this won't do any better, but only to remind you of sz issues

  1100   char	  frameDisplayString[MAGICAL_NUMBER];

  1101   char	  lagFrameDisplayString[MAGICAL_NUMBER];

  1102   char      extraCountDisplayString[MAGICAL_NUMBER];

  1103 

  1104 #if (defined(WIN32) && !defined(SDL))

  1105   if (theApp.frameCounter)

  1106 #else

  1107     /// SDL FIXME

  1108 #endif

  1109     {

  1110       switch (Movie.state)

  1111 	{

  1112 	case MOVIE_STATE_PLAY:

  1113 	case MOVIE_STATE_END:

  1114 	  {

  1115 	    sprintf(frameDisplayString, "%d / %d", Movie.currentFrame, Movie.header.length_frames);

  1116 	    if (!Movie.readOnly)

  1117 	      strcat(frameDisplayString, " (edit)");

  1118 	    break;

  1119 	  }

  1120 	case MOVIE_STATE_RECORD:

  1121 	  {

  1122 	    sprintf(frameDisplayString, "%d (record)", Movie.currentFrame);

  1123 	    break;

  1124 	  }

  1125 	default:

  1126 	  {

  1127 	    sprintf(frameDisplayString, "%d (no movie)", systemCounters.frameCount);

  1128 	    break;

  1129 	  }

  1130 	}

  1131 

  1132 #if (defined(WIN32) && !defined(SDL))

  1133       if (theApp.lagCounter)

  1134 #else

  1135 	/// SDL FIXME

  1136 #endif

  1137 	{

  1138 	  //			sprintf(lagFrameDisplayString, " %c %d", systemCounters.laggedLast ? '*' : '|', systemCounters.lagCount);

  1139 	  sprintf(lagFrameDisplayString, " | %d%s", systemCounters.lagCount, systemCounters.laggedLast ? " *" : "");

  1140 	  strcat(frameDisplayString, lagFrameDisplayString);

  1141 	}

  1142 

  1143 #if (defined(WIN32) && !defined(SDL))

  1144       if (theApp.extraCounter)

  1145 #else

  1146 	/// SDL FIXME

  1147 #endif

  1148 	{

  1149 	  sprintf(extraCountDisplayString, " | %d", systemCounters.frameCount - systemCounters.extraCount);

  1150 	  strcat(frameDisplayString, extraCountDisplayString);

  1151 	}

  1152     }

  1153 #if (defined(WIN32) && !defined(SDL))

  1154   else

  1155     {

  1156       frameDisplayString[0] = '\0';

  1157     }

  1158 #else

  1159   /// SDL FIXME

  1160 #endif

  1161   systemScreenMessage(frameDisplayString, 1, -1);

  1162 }

  1163 

  1164 // this function should only be called once every frame

  1165 void VBAMovieUpdateState()

  1166 {

  1167   ++Movie.currentFrame;

  1168   printf("RLM: inside updateState\n");

  1169   if (Movie.state == MOVIE_STATE_PLAY)

  1170     {

  1171       Movie.inputBufferPtr += Movie.bytesPerFrame;

  1172       if (Movie.currentFrame >= Movie.header.length_frames)

  1173 	{

  1174 	  // the movie ends anyway; what to do next depends on the settings

  1175 	  change_state(MOVIE_STATE_END);

  1176 	}

  1177     }

  1178   else if (Movie.state == MOVIE_STATE_RECORD)

  1179     {

  1180       printf("RLM: Movie_STATE_RECORD\n");

  1181       // use first fseek?

  1182       //TODO: THis is the problem.

  1183       //fwrite(Movie.inputBufferPtr, 1, Movie.bytesPerFrame, Movie.file);

  1184       printf("RLM: fuck.\n");

  1185       Movie.header.length_frames = Movie.currentFrame;

  1186       Movie.inputBufferPtr	 += Movie.bytesPerFrame;

  1187       Movie.RecordedThisSession = true;

  1188       flush_movie_header();

  1189     }

  1190   else if (Movie.state == MOVIE_STATE_END)

  1191     {

  1192       change_state(MOVIE_STATE_END);

  1193     }

  1194 }

  1195 

  1196 void VBAMovieRead(int i, bool /*sensor*/)

  1197 {

  1198   if (Movie.state != MOVIE_STATE_PLAY)

  1199     return;

  1200 

  1201   if (i < 0 || i >= MOVIE_NUM_OF_POSSIBLE_CONTROLLERS)

  1202     return;      // not a controller we're recognizing

  1203 

  1204   if (Movie.header.controllerFlags & MOVIE_CONTROLLER(i))

  1205     {

  1206       currentButtons[i] = Read16(Movie.inputBufferPtr + CONTROLLER_DATA_SIZE * i);

  1207     }

  1208   else

  1209     {

  1210       currentButtons[i] = 0;        // pretend the controller is disconnected

  1211     }

  1212 

  1213   if ((currentButtons[i] & BUTTON_MASK_NEW_RESET) != 0)

  1214     resetSignaled = true;

  1215 }

  1216 

  1217 void VBAMovieWrite(int i, bool /*sensor*/)

  1218 {

  1219   if (Movie.state != MOVIE_STATE_RECORD)

  1220     return;

  1221 

  1222   if (i < 0 || i >= MOVIE_NUM_OF_POSSIBLE_CONTROLLERS)

  1223     return;      // not a controller we're recognizing

  1224 

  1225   reserve_buffer_space((uint32)((Movie.inputBufferPtr - Movie.inputBuffer) + Movie.bytesPerFrame));

  1226 

  1227   if (Movie.header.controllerFlags & MOVIE_CONTROLLER(i))

  1228     {

  1229       // get the current controller data

  1230       uint16 buttonData = currentButtons[i];

  1231 

  1232       // mask away the irrelevent bits

  1233       buttonData &= BUTTON_REGULAR_MASK | BUTTON_MOTION_MASK;

  1234 

  1235       // soft-reset "button" for 1 frame if the game is reset while recording

  1236       if (resetSignaled)

  1237 	{

  1238 	  buttonData |= BUTTON_MASK_NEW_RESET;

  1239 	}

  1240 

  1241       // backward compatibility kludge

  1242       if (resetSignaledLast)

  1243 	{

  1244 	  buttonData |= BUTTON_MASK_OLD_RESET;

  1245 	}

  1246 

  1247       Write16(buttonData, Movie.inputBufferPtr + CONTROLLER_DATA_SIZE * i);

  1248 

  1249       // and for display

  1250       currentButtons[i] = buttonData;

  1251     }

  1252   else

  1253     {

  1254       // pretend the controller is disconnected (otherwise input it gives could cause desync since we're not writing it to the

  1255       // movie)

  1256       currentButtons[i] = 0;

  1257     }

  1258 }

  1259 

  1260 void VBAMovieStop(bool8 suppress_message)

  1261 {

  1262   if (Movie.state != MOVIE_STATE_NONE)

  1263     {

  1264       change_state(MOVIE_STATE_NONE);

  1265       if (!suppress_message)

  1266 	systemScreenMessage("Movie stop");

  1267     }

  1268 }

  1269 

  1270 int VBAMovieGetInfo(const char *filename, SMovie *info)

  1271 {

  1272   assert(info != NULL);

  1273   if (info == NULL)

  1274     return -1;

  1275 

  1276   FILE *	file;

  1277   int		result;

  1278   SMovie &local_movie = *info;

  1279 

  1280   memset(info, 0, sizeof(*info));

  1281   if (filename[0] == '\0')

  1282     return MOVIE_FILE_NOT_FOUND;

  1283   if (!(file = fopen(filename, "rb")))

  1284     return MOVIE_FILE_NOT_FOUND;

  1285 

  1286   // read header

  1287   if ((result = (read_movie_header(file, local_movie))) != MOVIE_SUCCESS)

  1288     {

  1289       fclose(file);

  1290       return result;

  1291     }

  1292 

  1293   // read the metadata / author info from file

  1294   fread(local_movie.authorInfo, 1, sizeof(char) * MOVIE_METADATA_SIZE, file);

  1295 

  1296   strncpy(local_movie.filename, filename, _MAX_PATH);

  1297   local_movie.filename[_MAX_PATH - 1] = '\0';

  1298 

  1299   if (Movie.file != NULL && stricmp(local_movie.filename, Movie.filename) == 0) // alreadyOpen

  1300     {

  1301       local_movie.bytesPerFrame		 = Movie.bytesPerFrame;

  1302       local_movie.header.length_frames = Movie.header.length_frames;

  1303     }

  1304   else

  1305     {

  1306       // recalculate length of movie from the file size

  1307       local_movie.bytesPerFrame = bytes_per_frame(local_movie);

  1308       fseek(file, 0, SEEK_END);

  1309       int fileSize = ftell(file);

  1310       local_movie.header.length_frames =

  1311 	(fileSize - local_movie.header.offset_to_controller_data) / local_movie.bytesPerFrame;

  1312     }

  1313 

  1314   fclose(file);

  1315 

  1316   if (access(filename, W_OK))

  1317     info->readOnly = true;

  1318 

  1319   return MOVIE_SUCCESS;

  1320 }

  1321 

  1322 bool8 VBAMovieActive()

  1323 {

  1324   return (Movie.state != MOVIE_STATE_NONE);

  1325 }

  1326 

  1327 bool8 VBAMovieLoading()

  1328 {

  1329   return loadingMovie;

  1330 }

  1331 

  1332 bool8 VBAMoviePlaying()

  1333 {

  1334   return (Movie.state == MOVIE_STATE_PLAY);

  1335 }

  1336 

  1337 bool8 VBAMovieRecording()

  1338 {

  1339   return (Movie.state == MOVIE_STATE_RECORD);

  1340 }

  1341 

  1342 bool8 VBAMovieReadOnly()

  1343 {

  1344   if (!VBAMovieActive())

  1345     return false;

  1346 

  1347   return Movie.readOnly;

  1348 }

  1349 

  1350 void VBAMovieToggleReadOnly()

  1351 {

  1352   if (!VBAMovieActive())

  1353     return;

  1354 

  1355   if (Movie.readOnly != 2)

  1356     {

  1357       Movie.readOnly = !Movie.readOnly;

  1358 

  1359       systemScreenMessage(Movie.readOnly ? "Movie now read-only" : "Movie now editable");

  1360     }

  1361   else

  1362     {

  1363       systemScreenMessage("Can't toggle read-only movie");

  1364     }

  1365 }

  1366 

  1367 uint32 VBAMovieGetVersion()

  1368 {

  1369   if (!VBAMovieActive())

  1370     return 0;

  1371 

  1372   return Movie.header.version;

  1373 }

  1374 

  1375 uint32 VBAMovieGetMinorVersion()

  1376 {

  1377   if (!VBAMovieActive())

  1378     return 0;

  1379 

  1380   return Movie.header.minorVersion;

  1381 }

  1382 

  1383 uint32 VBAMovieGetId()

  1384 {

  1385   if (!VBAMovieActive())

  1386     return 0;

  1387 

  1388   return Movie.header.uid;

  1389 }

  1390 

  1391 uint32 VBAMovieGetLength()

  1392 {

  1393   if (!VBAMovieActive())

  1394     return 0;

  1395 

  1396   return Movie.header.length_frames;

  1397 }

  1398 

  1399 uint32 VBAMovieGetFrameCounter()

  1400 {

  1401   if (!VBAMovieActive())

  1402     return 0;

  1403 

  1404   return Movie.currentFrame;

  1405 }

  1406 

  1407 uint32 VBAMovieGetRerecordCount()

  1408 {

  1409   if (!VBAMovieActive())

  1410     return 0;

  1411 

  1412   return Movie.header.rerecord_count;

  1413 }

  1414 

  1415 uint32 VBAMovieSetRerecordCount(uint32 newRerecordCount)

  1416 {

  1417   uint32 oldRerecordCount = 0;

  1418   if (!VBAMovieActive())

  1419     return 0;

  1420 

  1421   oldRerecordCount = Movie.header.rerecord_count;

  1422   Movie.header.rerecord_count = newRerecordCount;

  1423   return oldRerecordCount;

  1424 }

  1425 

  1426 std::string VBAMovieGetAuthorInfo()

  1427 {

  1428   if (!VBAMovieActive())

  1429     return "";

  1430 

  1431   return Movie.authorInfo;

  1432 }

  1433 

  1434 std::string VBAMovieGetFilename()

  1435 {

  1436   if (!VBAMovieActive())

  1437     return "";

  1438 

  1439   return Movie.filename;

  1440 }

  1441 

  1442 void VBAMovieFreeze(uint8 * *buf, uint32 *size)

  1443 {

  1444   // sanity check

  1445   if (!VBAMovieActive())

  1446     {

  1447       return;

  1448     }

  1449 

  1450   *buf  = NULL;

  1451   *size = 0;

  1452 

  1453   // compute size needed for the buffer

  1454   // room for header.uid, currentFrame, and header.length_frames

  1455   uint32 size_needed = sizeof(Movie.header.uid) + sizeof(Movie.currentFrame) + sizeof(Movie.header.length_frames);

  1456   size_needed += (uint32)(Movie.bytesPerFrame * Movie.header.length_frames);

  1457   *buf		 = new uint8[size_needed];

  1458   *size		 = size_needed;

  1459 

  1460   uint8 *ptr = *buf;

  1461   if (!ptr)

  1462     {

  1463       return;

  1464     }

  1465 

  1466   Push32(Movie.header.uid, ptr);

  1467   Push32(Movie.currentFrame, ptr);

  1468   Push32(Movie.header.length_frames - 1, ptr);   // HACK: shorten the length by 1 for backward compatibility

  1469 

  1470   memcpy(ptr, Movie.inputBuffer, Movie.bytesPerFrame * Movie.header.length_frames);

  1471 }

  1472 

  1473 int VBAMovieUnfreeze(const uint8 *buf, uint32 size)

  1474 {

  1475   // sanity check

  1476   if (!VBAMovieActive())

  1477     {

  1478       return MOVIE_NOT_FROM_A_MOVIE;

  1479     }

  1480 

  1481   const uint8 *ptr = buf;

  1482   if (size < sizeof(Movie.header.uid) + sizeof(Movie.currentFrame) + sizeof(Movie.header.length_frames))

  1483     {

  1484       return MOVIE_WRONG_FORMAT;

  1485     }

  1486 

  1487   uint32 movie_id		 = Pop32(ptr);

  1488   uint32 current_frame = Pop32(ptr);

  1489   uint32 end_frame	 = Pop32(ptr) + 1;     // HACK: restore the length for backward compatibility

  1490   uint32 space_needed	 = Movie.bytesPerFrame * end_frame;

  1491 

  1492   if (movie_id != Movie.header.uid)

  1493     return MOVIE_NOT_FROM_THIS_MOVIE;

  1494 

  1495   if (space_needed > size)

  1496     return MOVIE_WRONG_FORMAT;

  1497 

  1498   if (Movie.readOnly)

  1499     {

  1500       // here, we are going to keep the input data from the movie file

  1501       // and simply rewind to the currentFrame pointer

  1502       // this will cause a desync if the savestate is not in sync // <-- NOT ANYMORE

  1503       // with the on-disk recording data, but it's easily solved

  1504       // by loading another savestate or playing the movie from the beginning

  1505 

  1506       // don't allow loading a state inconsistent with the current movie

  1507       uint32 length_history = min(current_frame, Movie.header.length_frames);

  1508       if (end_frame < length_history)

  1509 	return MOVIE_SNAPSHOT_INCONSISTENT;

  1510 

  1511       uint32 space_shared = Movie.bytesPerFrame * length_history;

  1512       if (memcmp(Movie.inputBuffer, ptr, space_shared))

  1513 	return MOVIE_SNAPSHOT_INCONSISTENT;

  1514 

  1515       Movie.currentFrame	 = current_frame;

  1516       Movie.inputBufferPtr = Movie.inputBuffer + Movie.bytesPerFrame * min(current_frame, Movie.header.length_frames);

  1517     }

  1518   else

  1519     {

  1520       // here, we are going to take the input data from the savestate

  1521       // and make it the input data for the current movie, then continue

  1522       // writing new input data at the currentFrame pointer

  1523       Movie.currentFrame		   = current_frame;

  1524       Movie.header.length_frames = end_frame;

  1525       if (!VBALuaRerecordCountSkip())

  1526 	++Movie.header.rerecord_count;

  1527 

  1528       Movie.RecordedThisSession = true;

  1529 

  1530       // do this before calling reserve_buffer_space()

  1531       Movie.inputBufferPtr = Movie.inputBuffer + Movie.bytesPerFrame * min(current_frame, Movie.header.length_frames);

  1532       reserve_buffer_space(space_needed);

  1533       memcpy(Movie.inputBuffer, ptr, space_needed);

  1534 

  1535       // for consistency, no auto movie conversion here since we don't auto convert the corresponding savestate

  1536       flush_movie_header();

  1537       flush_movie_frames();

  1538     }

  1539 

  1540   change_state(MOVIE_STATE_PLAY);	// check for movie end

  1541 

  1542   // necessary!

  1543   resetSignaled	  = false;

  1544   resetSignaledLast = false;

  1545 

  1546   // necessary to check if there's a reset signal at the previous frame

  1547   if (current_frame > 0)

  1548     {

  1549       const u8 NEW_RESET = u8(BUTTON_MASK_NEW_RESET >> 8);

  1550       for (int i = 0; i < MOVIE_NUM_OF_POSSIBLE_CONTROLLERS; ++i)

  1551 	{

  1552 	  if ((Movie.header.controllerFlags & MOVIE_CONTROLLER(i)) && (*(Movie.inputBufferPtr+1- Movie.bytesPerFrame) & NEW_RESET))

  1553 	    {

  1554 	      resetSignaledLast = true;

  1555 	      break;

  1556 	    }

  1557 	}

  1558     }

  1559 

  1560   return MOVIE_SUCCESS;

  1561 }

  1562 

  1563 bool VBAMovieEnded()

  1564 {

  1565   return (Movie.state == MOVIE_STATE_END);

  1566   //	return (Movie.state != MOVIE_STATE_NONE && Movie.currentFrame >= Movie.header.length_frames);

  1567 }

  1568 

  1569 bool VBAMovieAllowsRerecording()

  1570 {

  1571   bool allows = (Movie.state != MOVIE_STATE_NONE) && (Movie.currentFrame <= Movie.header.length_frames);

  1572   return /*!VBAMovieReadOnly() &&*/ allows;

  1573 }

  1574 

  1575 bool VBAMovieSwitchToPlaying()

  1576 {

  1577   if (!VBAMovieActive())

  1578     return false;

  1579 

  1580   if (!Movie.readOnly)

  1581     {

  1582       VBAMovieToggleReadOnly();

  1583     }

  1584 

  1585   change_state(MOVIE_STATE_PLAY);

  1586   if (Movie.state == MOVIE_STATE_PLAY)

  1587     systemScreenMessage("Movie replay (continue)");

  1588   else

  1589     systemScreenMessage("Movie end");

  1590 

  1591   return true;

  1592 }

  1593 

  1594 bool VBAMovieSwitchToRecording()

  1595 {

  1596   if (!VBAMovieAllowsRerecording())

  1597     return false;

  1598 

  1599   if (Movie.readOnly)

  1600     {

  1601       VBAMovieToggleReadOnly();

  1602     }

  1603 

  1604   if (!VBALuaRerecordCountSkip())

  1605     ++Movie.header.rerecord_count;

  1606 

  1607   change_state(MOVIE_STATE_RECORD);

  1608   systemScreenMessage("Movie re-record");

  1609 

  1610   //truncate_movie(Movie.currentFrame);

  1611 

  1612   return true;

  1613 }

  1614 

  1615 uint32 VBAMovieGetState()

  1616 {

  1617   // ?

  1618   if (!VBAMovieActive())

  1619     return MOVIE_STATE_NONE;

  1620 

  1621   return Movie.state;

  1622 }

  1623 

  1624 void VBAMovieSignalReset()

  1625 {

  1626   if (VBAMovieActive())

  1627     resetSignaled = true;

  1628 }

  1629 

  1630 void VBAMovieResetIfRequested()

  1631 {

  1632   if (resetSignaled)

  1633     {

  1634       theEmulator.emuReset(false);

  1635       resetSignaled	  = false;

  1636       resetSignaledLast = true;

  1637     }

  1638   else

  1639     {

  1640       resetSignaledLast = false;

  1641     }

  1642 }

  1643 

  1644 void VBAMovieSetMetadata(const char *info)

  1645 {

  1646   if (!memcmp(Movie.authorInfo, info, MOVIE_METADATA_SIZE))

  1647     return;

  1648 

  1649   memcpy(Movie.authorInfo, info, MOVIE_METADATA_SIZE); // strncpy would omit post-0 bytes

  1650   Movie.authorInfo[MOVIE_METADATA_SIZE - 1] = '\0';

  1651 

  1652   if (Movie.file)

  1653     {

  1654       // (over-)write the header

  1655       fseek(Movie.file, 0, SEEK_SET);

  1656 

  1657       write_movie_header(Movie.file, Movie);

  1658 

  1659       // write the metadata / author info to file

  1660       fwrite(Movie.authorInfo, 1, sizeof(char) * MOVIE_METADATA_SIZE, Movie.file);

  1661 

  1662       fflush(Movie.file);

  1663     }

  1664   printf("RLM: setMetadata called\n");

  1665 

  1666 }

  1667 

  1668 void VBAMovieRestart()

  1669 {

  1670   if (VBAMovieActive())

  1671     {

  1672       systemSoundClearBuffer();

  1673 

  1674       bool8 modified = Movie.RecordedThisSession;

  1675 

  1676       VBAMovieStop(true);

  1677 

  1678       char movieName [_MAX_PATH];

  1679       strncpy(movieName, Movie.filename, _MAX_PATH);

  1680       movieName[_MAX_PATH - 1] = '\0';

  1681       VBAMovieOpen(movieName, Movie.readOnly); // can't just pass in Movie.filename, since VBAMovieOpen clears out Movie's

  1682       // variables

  1683 

  1684       Movie.RecordedThisSession = modified;

  1685 

  1686       systemScreenMessage("Movie replay (restart)");

  1687     }

  1688 }

  1689 

  1690 int VBAMovieGetPauseAt()

  1691 {

  1692   return Movie.pauseFrame;

  1693 }

  1694 

  1695 void VBAMovieSetPauseAt(int at)

  1696 {

  1697   Movie.pauseFrame = at;

  1698 }

  1699 

  1700 ///////////////////////

  1701 // movie tools

  1702 

  1703 // FIXME: is it safe to convert/flush a movie while recording it (considering fseek() problem)?

  1704 int VBAMovieConvertCurrent()

  1705 {

  1706   if (!VBAMovieActive())

  1707     {

  1708       return MOVIE_NOTHING;

  1709     }

  1710 

  1711   if (Movie.header.minorVersion > VBM_REVISION)

  1712     {

  1713       return MOVIE_WRONG_VERSION;

  1714     }

  1715 

  1716   if (Movie.header.minorVersion == VBM_REVISION)

  1717     {

  1718       return MOVIE_NOTHING;

  1719     }

  1720 

  1721   Movie.header.minorVersion = VBM_REVISION;

  1722 

  1723   if (Movie.header.length_frames == 0) // this could happen

  1724     {

  1725       truncate_movie(0);

  1726       return MOVIE_SUCCESS;

  1727     }

  1728 

  1729   // fix movies recorded from snapshots

  1730   if (Movie.header.startFlags & MOVIE_START_FROM_SNAPSHOT)

  1731     {

  1732       uint8 *firstFramePtr = Movie.inputBuffer;

  1733       for (int i = 0; i < MOVIE_NUM_OF_POSSIBLE_CONTROLLERS; ++i)

  1734 	{

  1735 	  if (Movie.header.controllerFlags & MOVIE_CONTROLLER(i))

  1736 	    {

  1737 	      Push16(initialInputs[i], firstFramePtr);

  1738 	      // note: this is correct since Push16 advances the dest pointer by sizeof u16

  1739 	    }

  1740 	}

  1741     }

  1742 

  1743   // convert old resets to new ones

  1744   const u8 OLD_RESET = u8(BUTTON_MASK_OLD_RESET >> 8);

  1745   const u8 NEW_RESET = u8(BUTTON_MASK_NEW_RESET >> 8);

  1746   for (int i = 0; i < MOVIE_NUM_OF_POSSIBLE_CONTROLLERS; ++i)

  1747     {

  1748       if (Movie.header.controllerFlags & MOVIE_CONTROLLER(i))

  1749 	{

  1750 	  uint8 *startPtr = Movie.inputBuffer + sizeof(u16) * i + 1;

  1751 	  uint8 *endPtr	= Movie.inputBuffer + Movie.bytesPerFrame * (Movie.header.length_frames - 1);

  1752 	  for (; startPtr < endPtr; startPtr += Movie.bytesPerFrame)

  1753 	    {

  1754 	      if (startPtr[Movie.bytesPerFrame] & OLD_RESET)

  1755 		{

  1756 		  startPtr[0] |= NEW_RESET;

  1757 		}

  1758 	    }

  1759 	}

  1760     }

  1761 

  1762   flush_movie_header();

  1763   flush_movie_frames();

  1764   return MOVIE_SUCCESS;

  1765 }

  1766 

  1767 bool VBAMovieTuncateAtCurrentFrame()

  1768 {

  1769   if (!VBAMovieActive())

  1770     return false;

  1771 

  1772   truncate_movie(Movie.currentFrame);

  1773   change_state(MOVIE_STATE_END);

  1774   systemScreenMessage("Movie truncated");

  1775 

  1776   return true;

  1777 }

  1778 

  1779 bool VBAMovieFixHeader()

  1780 {

  1781   if (!VBAMovieActive())

  1782     return false;

  1783 

  1784   flush_movie_header();

  1785   systemScreenMessage("Movie header fixed");

  1786   return true;

  1787 }
author	Robert McIntyre <rlm@mit.edu>
date	Mon, 05 Mar 2012 01:25:11 -0600
parents	f9f4f1b99eed
children	6bde5b67a2b8