static void LoadChexDeh(void)
{
char *chex_deh = NULL;
char *sep;
if (gameversion == exe_chex)
{
// Look for chex.deh in the same directory as the IWAD file.
sep = strrchr(iwadfile, DIR_SEPARATOR);
if (sep != NULL)
{
size_t chex_deh_len = strlen(iwadfile) + 9;
chex_deh = malloc(chex_deh_len);
M_StringCopy(chex_deh, iwadfile, chex_deh_len);
chex_deh[sep - iwadfile + 1] = '\0';
M_StringConcat(chex_deh, "chex.deh", chex_deh_len);
}
else
{
chex_deh = strdup("chex.deh");
}
// If the dehacked patch isn't found, try searching the WAD
// search path instead. We might find it...
if (!M_FileExists(chex_deh))
{
free(chex_deh);
chex_deh = D_FindWADByName("chex.deh");
}
// Still not found?
if (chex_deh == NULL)
{
I_Error("Unable to find Chex Quest dehacked file (chex.deh).\n"
"The dehacked file is required in order to emulate\n"
"chex.exe correctly. It can be found in your nearest\n"
"/idgames repository mirror at:\n\n"
" utils/exe_edit/patches/chexdeh.zip");
}
if (!DEH_LoadFile(chex_deh))
{
I_Error("Failed to load chex.deh needed for emulating chex.exe.");
}
}
}
char *D_TryFindWADByName(char *filename)
{
char *result;
result = D_FindWADByName(filename);
if (result != NULL)
{
return result;
}
else
{
return filename;
}
}
char *D_FindIWAD(int mask, GameMission_t *mission)
{
char *result;
char *iwadfile;
int iwadparm;
int i;
// Check for the -iwad parameter
//!
// Specify an IWAD file to use.
//
// @arg <file>
//
iwadparm = M_CheckParmWithArgs("-iwad", 1);
if (iwadparm)
{
// Search through IWAD dirs for an IWAD with the given name.
iwadfile = myargv[iwadparm + 1];
result = D_FindWADByName(iwadfile);
if (result == NULL)
{
I_Error("IWAD file '%s' not found!", iwadfile);
}
*mission = IdentifyIWADByName(result, mask);
}
else
{
// Search through the list and look for an IWAD
result = NULL;
BuildIWADDirList();
for (i=0; result == NULL && i<num_iwad_dirs; ++i)
{
result = SearchDirectoryForIWAD(iwad_dirs[i], mask, mission);
}
}
return result;
}
void D_FindInstalledIWADs(void)
{
uint32_t i;
int32_t result;
BuildIWADDirList();
result = 0;
for (i=0; i<arrlen(iwads); ++i)
{
if (D_FindWADByName(iwads[i].name) != NULL)
{
result |= 1 << i;
}
}
exit(result);
}
//
// FindIWAD
// Checks availability of IWAD files by name,
// to determine whether registered/commercial features
// should be executed (notably loading PWADs).
//
char *D_FindIWAD(void)
{
char *result = NULL;
char *iwadfile;
int iwadparm = M_CheckParmWithArgs("-iwad", 1);
if (iwadparm)
{
// Search through IWAD dirs for an IWAD with the given name.
iwadfile = myargv[iwadparm + 1];
result = D_FindWADByName(iwadfile);
if (result == NULL)
I_Error("The IWAD file \"%s\" wasn't found!", iwadfile);
IdentifyIWADByName(result);
}
return result;
}
// Load dehacked patches needed for certain IWADs.
static void LoadIwadDeh(void)
{
// The Freedoom IWADs have DEHACKED lumps that must be loaded.
if (W_CheckNumForName("FREEDOOM") >= 0)
{
// Old versions of Freedoom (before 2014-09) did not have technically
// valid DEHACKED lumps, so ignore errors and just continue if this
// is an old IWAD.
DEH_LoadLumpByName("DEHACKED", false, true);
}
// If this is the HACX IWAD, we need to load the DEHACKED lump.
if (gameversion == exe_hacx)
{
if (!DEH_LoadLumpByName("DEHACKED", true, false))
{
I_Error("DEHACKED lump not found. Please check that this is the "
"Hacx v1.2 IWAD.");
}
}
// Chex Quest needs a separate Dehacked patch which must be downloaded
// and installed next to the IWAD.
if (gameversion == exe_chex)
{
char *chex_deh = NULL;
char *sep;
// Look for chex.deh in the same directory as the IWAD file.
sep = strrchr(iwadfile, DIR_SEPARATOR);
if (sep != NULL)
{
size_t chex_deh_len = strlen(iwadfile) + 9;
chex_deh = malloc(chex_deh_len);
M_StringCopy(chex_deh, iwadfile, chex_deh_len);
chex_deh[sep - iwadfile + 1] = '\0';
M_StringConcat(chex_deh, "chex.deh", chex_deh_len);
}
else
{
chex_deh = M_StringDuplicate("chex.deh");
}
// If the dehacked patch isn't found, try searching the WAD
// search path instead. We might find it...
if (!M_FileExists(chex_deh))
{
free(chex_deh);
chex_deh = D_FindWADByName("chex.deh");
}
// Still not found?
if (chex_deh == NULL)
{
I_Error("Unable to find Chex Quest dehacked file (chex.deh).\n"
"The dehacked file is required in order to emulate\n"
"chex.exe correctly. It can be found in your nearest\n"
"/idgames repository mirror at:\n\n"
" utils/exe_edit/patches/chexdeh.zip");
}
if (!DEH_LoadFile(chex_deh))
{
I_Error("Failed to load chex.deh needed for emulating chex.exe.");
}
}
}
//
// D_DoomMain
//
void D_DoomMain (void)
{
int p;
char file[256];
char demolumpname[9];
M_FindResponseFile ();
// Undocumented "search for IWADs" parameter used by the setup
// tool.
if (M_CheckParm("-findiwads") > 0)
{
D_FindInstalledIWADs();
}
// print banner
PrintBanner(PACKAGE_STRING);
DEH_printf("Z_Init: Init zone memory allocation daemon. \n");
Z_Init ();
#ifdef FEATURE_MULTIPLAYER
//!
// @category net
//
// Start a dedicated server, routing packets but not participating
// in the game itself.
//
if (M_CheckParm("-dedicated") > 0)
{
printf("Dedicated server mode.\n");
NET_DedicatedServer();
// Never returns
}
//!
// @category net
//
// Query the Internet master server for a global list of active
// servers.
//
if (M_CheckParm("-search"))
{
printf("\nSearching for servers on Internet ...\n");
p = NET_MasterQuery(NET_QueryPrintCallback, NULL);
printf("\n%i server(s) found.\n", p);
exit(0);
}
//!
// @arg <address>
// @category net
//
// Query the status of the server running on the given IP
// address.
//
p = M_CheckParmWithArgs("-query", 1);
if (p)
{
NET_QueryAddress(myargv[p+1]);
exit(0);
}
//!
// @category net
//
// Search the local LAN for running servers.
//
if (M_CheckParm("-localsearch"))
{
printf("\nSearching for servers on local LAN ...\n");
p = NET_LANQuery(NET_QueryPrintCallback, NULL);
printf("\n%i server(s) found.\n", p);
exit(0);
}
#endif
#ifdef FEATURE_DEHACKED
printf("DEH_Init: Init Dehacked support.\n");
DEH_Init();
#endif
iwadfile = D_FindIWAD();
// *** PID BEGIN ***
psdoom1wad = D_FindWADByName("psdoom1.wad");
psdoom2wad = D_FindWADByName("psdoom2.wad");
// *** PID END ***
// None found?
if (iwadfile == NULL)
{
I_Error("Game mode indeterminate. No IWAD file was found. Try\n"
"specifying one with the '-iwad' command line parameter.\n");
}
modifiedgame = false;
//!
// @vanilla
//
// Disable monsters.
//
nomonsters = M_CheckParm ("-nomonsters");
// This keeps a 'no monsters' that is persistant across new games
// and level warps.
if ( (nomonstersperiod = M_CheckParm("-nomonsters.") ) ) {
nomonsters = true;
}
// This makes items respawn as in -altdeath (ie. no dropped items,
// no invis, no invun)
respawnitems = M_CheckParm("-respawnitems");
//!
// @vanilla
//
// Monsters respawn after being killed.
//
respawnparm = M_CheckParm ("-respawn");
//!
// @vanilla
//
// Monsters move faster.
//
fastparm = M_CheckParm ("-fast");
//!
// @vanilla
//
// Developer mode. F1 saves a screenshot in the current working
// directory.
//
devparm = M_CheckParm ("-devparm");
//!
// @category net
// @vanilla
//
// Start a deathmatch game.
//
if (M_CheckParm ("-deathmatch"))
deathmatch = 1;
//!
// @category net
// @vanilla
//
// Start a deathmatch 2.0 game. Weapons do not stay in place and
// all items respawn after 30 seconds.
//
if (M_CheckParm ("-altdeath"))
deathmatch = 2;
if (devparm)
DEH_printf(D_DEVSTR);
// find which dir to use for config files
M_SetConfigDir();
//!
// @arg <x>
// @vanilla
//
// Turbo mode. The player's speed is multiplied by x%. If unspecified,
// x defaults to 200. Values are rounded up to 10 and down to 400.
//
if ( (p=M_CheckParm ("-turbo")) )
{
int scale = 200;
extern int forwardmove[2];
extern int sidemove[2];
if (p<myargc-1)
scale = atoi (myargv[p+1]);
if (scale < 10)
scale = 10;
if (scale > 400)
scale = 400;
DEH_printf("turbo scale: %i%%\n", scale);
forwardmove[0] = forwardmove[0]*scale/100;
forwardmove[1] = forwardmove[1]*scale/100;
sidemove[0] = sidemove[0]*scale/100;
sidemove[1] = sidemove[1]*scale/100;
}
// init subsystems
DEH_printf("V_Init: allocate screens.\n");
V_Init ();
DEH_printf("M_LoadDefaults: Load system defaults.\n");
M_ApplyPlatformDefaults();
M_LoadDefaults (); // load before initing other systems
DEH_printf("W_Init: Init WADfiles.\n");
D_AddFile(iwadfile);
// *** PID BEGIN ***
// If the command-line flag to suppress auto-loading of custom
// ps management levels is *not* there, load the appropriate level.
p = M_CheckParm ("-nopslev");
if (p)
{
// Add psdoom1.wad if this is registered (Doom 1) or retail (Ultimite Doom).
// If we loaded it, set the flag to true so we can place the monsters in the
// correct positions.
if ( gamemode == registered || gamemode == retail ){
D_AddFile(iwadfile);
ps_level_loaded = true;
}
// Add psdoom2.wad if this is commercial (Doom 2) and not an add-on pack.
// If we loaded it, set the flag to true so we can place the monsters in the
// correct positions.
if ( gamemode == commercial && gamemission == doom2 ) {
D_AddFile(iwadfile);
ps_level_loaded = true;
}
}
// *** PID END ***
#ifdef FEATURE_WAD_MERGE
// Merged PWADs are loaded first, because they are supposed to be
// modified IWADs.
//!
// @arg <files>
// @category mod
//
// Simulates the behavior of deutex's -merge option, merging a PWAD
// into the main IWAD. Multiple files may be specified.
//
p = M_CheckParmWithArgs("-merge", 1);
if (p > 0)
{
for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
{
char *filename;
filename = D_TryFindWADByName(myargv[p]);
printf(" merging %s\n", filename);
W_MergeFile(filename);
}
}
// NWT-style merging:
// NWT's -merge option:
//!
// @arg <files>
// @category mod
//
// Simulates the behavior of NWT's -merge option. Multiple files
// may be specified.
p = M_CheckParmWithArgs("-nwtmerge", 1);
if (p > 0)
{
for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
{
char *filename;
filename = D_TryFindWADByName(myargv[p]);
printf(" performing NWT-style merge of %s\n", filename);
W_NWTDashMerge(filename);
}
}
// Add flats
//!
// @arg <files>
// @category mod
//
// Simulates the behavior of NWT's -af option, merging flats into
// the main IWAD directory. Multiple files may be specified.
//
p = M_CheckParmWithArgs("-af", 1);
if (p > 0)
{
for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
{
char *filename;
filename = D_TryFindWADByName(myargv[p]);
printf(" merging flats from %s\n", filename);
W_NWTMergeFile(filename, W_NWT_MERGE_FLATS);
}
}
//!
// @arg <files>
// @category mod
//
// Simulates the behavior of NWT's -as option, merging sprites
// into the main IWAD directory. Multiple files may be specified.
//
p = M_CheckParmWithArgs("-as", 1);
if (p > 0)
{
for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
{
char *filename;
filename = D_TryFindWADByName(myargv[p]);
printf(" merging sprites from %s\n", filename);
W_NWTMergeFile(filename, W_NWT_MERGE_SPRITES);
}
}
//!
// @arg <files>
// @category mod
//
// Equivalent to "-af <files> -as <files>".
//
p = M_CheckParmWithArgs("-aa", 1);
if (p > 0)
{
for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
{
char *filename;
filename = D_TryFindWADByName(myargv[p]);
printf(" merging sprites and flats from %s\n", filename);
W_NWTMergeFile(filename, W_NWT_MERGE_SPRITES | W_NWT_MERGE_FLATS);
}
}
#endif
//!
// @arg <files>
// @vanilla
//
// Load the specified PWAD files.
//
p = M_CheckParmWithArgs("-file", 1);
if (p)
{
// the parms after p are wadfile/lump names,
// until end of parms or another - preceded parm
modifiedgame = true; // homebrew levels
while (++p != myargc && myargv[p][0] != '-')
{
char *filename;
filename = D_TryFindWADByName(myargv[p]);
D_AddFile(filename);
}
}
// Debug:
// W_PrintDirectory();
//!
// @arg <demo>
// @category demo
// @vanilla
//
// Play back the demo named demo.lmp.
//
p = M_CheckParmWithArgs ("-playdemo", 1);
if (!p)
{
//!
// @arg <demo>
// @category demo
// @vanilla
//
// Play back the demo named demo.lmp, determining the framerate
// of the screen.
//
p = M_CheckParmWithArgs("-timedemo", 1);
}
if (p)
{
if (!strcasecmp(myargv[p+1] + strlen(myargv[p+1]) - 4, ".lmp"))
{
strcpy(file, myargv[p + 1]);
}
else
{
sprintf (file,"%s.lmp", myargv[p+1]);
}
if (D_AddFile (file))
{
strncpy(demolumpname, lumpinfo[numlumps - 1].name, 8);
demolumpname[8] = '\0';
printf("Playing demo %s.\n", file);
}
else
{
// If file failed to load, still continue trying to play
// the demo in the same way as Vanilla Doom. This makes
// tricks like "-playdemo demo1" possible.
strncpy(demolumpname, myargv[p + 1], 8);
demolumpname[8] = '\0';
}
}
// Generate the WAD hash table. Speed things up a bit.
W_GenerateHashTable();
D_IdentifyVersion();
InitGameVersion();
LoadChexDeh();
LoadHacxDeh();
D_SetGameDescription();
D_SetSaveGameDir();
// Check for -file in shareware
if (modifiedgame)
{
// These are the lumps that will be checked in IWAD,
// if any one is not present, execution will be aborted.
char name[23][8]=
{
"e2m1","e2m2","e2m3","e2m4","e2m5","e2m6","e2m7","e2m8","e2m9",
"e3m1","e3m3","e3m3","e3m4","e3m5","e3m6","e3m7","e3m8","e3m9",
"dphoof","bfgga0","heada1","cybra1","spida1d1"
};
int i;
if ( gamemode == shareware)
I_Error(DEH_String("\nYou cannot -file with the shareware "
"version. Register!"));
// Check for fake IWAD with right name,
// but w/o all the lumps of the registered version.
if (gamemode == registered)
for (i = 0;i < 23; i++)
if (W_CheckNumForName(name[i])<0)
I_Error(DEH_String("\nThis is not the registered version."));
}
// get skill / episode / map from parms
startskill = sk_medium;
startepisode = 1;
startmap = 1;
autostart = false;
//!
// @arg <skill>
// @vanilla
//
// Set the game skill, 1-5 (1: easiest, 5: hardest). A skill of
// 0 disables all monsters.
//
p = M_CheckParmWithArgs("-skill", 1);
if (p)
{
startskill = myargv[p+1][0]-'1';
autostart = true;
}
//!
// @arg <n>
// @vanilla
//
// Start playing on episode n (1-4)
//
p = M_CheckParmWithArgs("-episode", 1);
if (p)
{
startepisode = myargv[p+1][0]-'0';
startmap = 1;
autostart = true;
}
timelimit = 0;
//!
// @arg <n>
// @category net
// @vanilla
//
// For multiplayer games: exit each level after n minutes.
//
p = M_CheckParmWithArgs("-timer", 1);
if (p)
{
timelimit = atoi(myargv[p+1]);
}
//!
// @category net
// @vanilla
//
// Austin Virtual Gaming: end levels after 20 minutes.
//
p = M_CheckParm ("-avg");
if (p)
{
timelimit = 20;
}
//!
// @arg [<x> <y> | <xy>]
// @vanilla
//
// Start a game immediately, warping to ExMy (Doom 1) or MAPxy
// (Doom 2)
//
p = M_CheckParmWithArgs("-warp", 1);
if (p)
{
if (gamemode == commercial)
startmap = atoi (myargv[p+1]);
else
{
startepisode = myargv[p+1][0]-'0';
if (p + 2 < myargc)
{
startmap = myargv[p+2][0]-'0';
}
else
{
startmap = 1;
}
}
autostart = true;
}
// Undocumented:
// Invoked by setup to test the controls.
p = M_CheckParm("-testcontrols");
if (p > 0)
{
startepisode = 1;
startmap = 1;
autostart = true;
testcontrols = true;
}
// Check for load game parameter
// We do this here and save the slot number, so that the network code
// can override it or send the load slot to other players.
//!
// @arg <s>
// @vanilla
//
// Load the game in slot s.
//
p = M_CheckParmWithArgs("-loadgame", 1);
if (p)
{
startloadgame = atoi(myargv[p+1]);
}
else
{
// Not loading a game
startloadgame = -1;
}
//!
// @category video
//
// Disable vertical mouse movement.
//
if (M_CheckParm("-novert"))
novert = true;
//!
// @category video
//
// Enable vertical mouse movement.
//
if (M_CheckParm("-nonovert"))
novert = false;
if (W_CheckNumForName("SS_START") >= 0
|| W_CheckNumForName("FF_END") >= 0)
{
printf ("===========================================================================\n");
printf(" WARNING: The loaded WAD file contains modified sprites or\n"
" floor textures. You may want to use the '-merge' command\n"
" line option instead of '-file'.\n");
}
printf ("===========================================================================\n");
PrintBanner(gamedescription);
printf (
"===========================================================================\n"
" " PACKAGE_NAME " is free software, covered by the GNU General Public\n"
" License. There is NO warranty; not even for MERCHANTABILITY or FITNESS\n"
" FOR A PARTICULAR PURPOSE. You are welcome to change and distribute\n"
" copies under certain conditions. See the source for more information.\n"
"===========================================================================\n"
);
PrintDehackedBanners();
DEH_printf("M_Init: Init miscellaneous info.\n");
M_Init ();
DEH_printf("R_Init: Init DOOM refresh daemon - ");
R_Init ();
DEH_printf("\nP_Init: Init Playloop state.\n");
P_Init ();
DEH_printf("I_Init: Setting up machine state.\n");
I_Init ();
#ifdef FEATURE_MULTIPLAYER
printf ("NET_Init: Init network subsystem.\n");
NET_Init ();
#endif
DEH_printf("S_Init: Setting up sound.\n");
S_Init (sfxVolume * 8, musicVolume * 8);
DEH_printf("D_CheckNetGame: Checking network game status.\n");
D_CheckNetGame ();
PrintGameVersion();
DEH_printf("HU_Init: Setting up heads up display.\n");
HU_Init ();
DEH_printf("ST_Init: Init status bar.\n");
ST_Init ();
// If Doom II without a MAP01 lump, this is a store demo.
// Moved this here so that MAP01 isn't constantly looked up
// in the main loop.
if (gamemode == commercial && W_CheckNumForName("map01") < 0)
storedemo = true;
//!
// @arg <x>
// @category demo
// @vanilla
//
// Record a demo named x.lmp.
//
p = M_CheckParmWithArgs("-record", 1);
if (p)
{
G_RecordDemo (myargv[p+1]);
autostart = true;
}
p = M_CheckParmWithArgs("-playdemo", 1);
if (p)
{
singledemo = true; // quit after one demo
G_DeferedPlayDemo (demolumpname);
D_DoomLoop (); // never returns
}
p = M_CheckParmWithArgs("-timedemo", 1);
if (p)
{
G_TimeDemo (demolumpname);
D_DoomLoop (); // never returns
}
if (startloadgame >= 0)
{
strcpy(file, P_SaveGameFile(startloadgame));
G_LoadGame (file);
}
if (gameaction != ga_loadgame )
{
if (autostart || netgame)
G_InitNew (startskill, startepisode, startmap);
else
D_StartTitle (); // start up intro loop
}
D_DoomLoop (); // never returns
}
void D_IdentifyVersion(void)
{
// gamemission is set up by the D_FindIWAD function. But if
// we specify '-iwad', we have to identify using
// IdentifyIWADByName. However, if the iwad does not match
// any known IWAD name, we may have a dilemma. Try to
// identify by its contents.
// STRIFE-TODO: some elaborate checks? for now we assume...
// The logic in strife1.exe is simple:
// * if strife1.wad is found, set isregistered = true
// * if strife0.wad is found, set isdemoversion = true
// Make sure gamemode is set up correctly
gamemode = commercial;
gamemission = strife;
isregistered = true;
// Load voices.wad
if(isregistered)
{
char *name = D_FindWADByName("voices.wad");
if(!name) // not found?
{
int p;
// haleyjd STRIFE-FIXME: Temporary?
// If -iwad was used, check and see if voices.wad exists on the
// same filepath.
if((p = M_CheckParm("-iwad")) && p < myargc - 1)
{
char *iwad = myargv[p + 1];
size_t len = strlen(iwad) + 24;
char *filename = malloc(len);
char sepchar;
// how the heck is Choco surviving without this routine?
sepchar = M_GetFilePath(iwad, filename, len);
filename[strlen(filename)] = sepchar;
M_StringConcat(filename, "voices.wad", sizeof(filename));
if(!M_FileExists(filename))
disable_voices = 1;
else
name = filename; // STRIFE-FIXME: memory leak!!
}
else
disable_voices = 1;
}
if(disable_voices) // voices disabled?
{
if(devparm)
printf("Voices disabled\n");
return;
}
D_AddFile(name);
}
}
//
// D_TryWADByName
//
// Searches for a WAD by its filename, or passes through the filename
// if not found.
//
char *D_TryFindWADByName(char *filename)
{
char *result = D_FindWADByName(filename);
return (result ? result : filename);
}
void D_IdentifyVersion(void)
{
// gamemission is set up by the D_FindIWAD function. But if
// we specify '-iwad', we have to identify using
// IdentifyIWADByName. However, if the iwad does not match
// any known IWAD name, we may have a dilemma. Try to
// identify by its contents.
// STRIFE-TODO: some elaborate checks? for now we assume...
// The logic in strife1.exe is simple:
// * if strife1.wad is found, set isregistered = true
// * if strife0.wad is found, set isdemoversion = true
// Make sure gamemode is set up correctly
gamemode = commercial;
gamemission = strife;
isregistered = true;
// Load voices.wad
if(isregistered)
{
char *name = D_FindWADByName("voices.wad");
if(!name) // not found?
{
int p;
// haleyjd STRIFE-FIXME: Temporary?
// If -iwad was used, check and see if voices.wad exists on the
// same filepath.
if((p = M_CheckParm("-iwad")) && p < myargc - 1)
{
char *iwad = myargv[p + 1];
size_t len = strlen(iwad) + 1;
char *iwadpath = Z_Malloc(len, PU_STATIC, NULL);
char *voiceswad;
// extract base path of IWAD parameter
M_GetFilePath(iwad, iwadpath, len);
// concatenate with /voices.wad
voiceswad = M_SafeFilePath(iwadpath, "voices.wad");
Z_Free(iwadpath);
if(!M_FileExists(voiceswad))
{
disable_voices = 1;
Z_Free(voiceswad);
}
else
name = voiceswad; // STRIFE-FIXME: memory leak!!
}
else
disable_voices = 1;
}
if(disable_voices) // voices disabled?
{
if(devparm)
printf("Voices disabled\n");
return;
}
D_AddFile(name);
}
}
static boolean I_AVLoadVideo(const char *filename)
{
int i;
int videoSize;
int audioSize;
char *filepath;
// setup packet queues
videoPacketQueue = I_AVAllocQueuePacket();
audioPacketQueue = I_AVAllocQueuePacket();
// setup audio queue
audioQueue.mutex = SDL_CreateMutex();
audioQueue.first = NULL;
userExit = false;
videoFinished = false;
audioFinished = false;
audioPts = 0;
videoClock = 0;
audioClock = 0;
// not exactly looking for a wad, but this function makes
// it easier to find our movie file
if(!(filepath = D_FindWADByName((char*)filename)))
{
return false;
}
if(avformat_open_input(&formatCtx, filepath, NULL, NULL))
{
fprintf(stderr, "I_AVLoadVideo: Couldn't load %s\n", filepath);
return false;
}
if(avformat_find_stream_info(formatCtx, NULL))
{
fprintf(stderr, "I_AVLoadVideo: Couldn't find stream info\n");
return false;
}
#ifdef _DEBUG
av_dump_format(formatCtx, 0, filepath, 0);
#endif
videoStreamIdx = -1;
audioStreamIdx = -1;
// find the video and audio stream
for(i = 0; i < (int)formatCtx->nb_streams; i++)
{
switch(formatCtx->streams[i]->codec->codec_type)
{
case AVMEDIA_TYPE_VIDEO:
if(videoStreamIdx == -1)
{
videoStreamIdx = i;
}
break;
case AVMEDIA_TYPE_AUDIO:
if(audioStreamIdx == -1)
{
audioStreamIdx = i;
}
break;
default:
break;
}
}
if(videoStreamIdx < 0)
{
fprintf(stderr, "I_AVLoadVideo: Couldn't find video stream\n");
return false;
}
if(!I_AVSetupCodecContext(&videoCodecCtx, &videoCodec, videoStreamIdx) ||
!I_AVSetupCodecContext(&audioCodecCtx, &audioCodec, audioStreamIdx))
{
return false;
}
reqWidth = videoCodecCtx->width;
reqHeight = videoCodecCtx->height;
// setup texture
texture.colorMode = TCR_RGB;
texture.origwidth = reqWidth;
texture.origheight = reqHeight;
texture.width = texture.origwidth;
texture.height = texture.origheight;
FF_DISABLE_DEPRECATION_WARNINGS
videoCodecCtx->get_buffer = I_AVGetBufferProc;
videoCodecCtx->release_buffer = I_AVReleaseBufferProc;
FF_ENABLE_DEPRECATION_WARNINGS
videoFrame = av_frame_alloc();
videoSize = avpicture_get_size(AV_PIX_FMT_YUV444P, reqWidth, reqHeight);
audioSize = MAX_AUDIO_FRAME_SIZE + FF_INPUT_BUFFER_PADDING_SIZE;
videoBuffer = (uint8_t*)av_calloc(1, videoSize * sizeof(uint8_t));
audioBuffer = (uint8_t*)av_calloc(1, audioSize * sizeof(uint8_t));
RB_UploadTexture(&texture, videoBuffer, TC_CLAMP, TF_LINEAR);
swsCtx = sws_getContext(videoCodecCtx->width,
videoCodecCtx->height,
videoCodecCtx->pix_fmt,
reqWidth,
reqHeight,
AV_PIX_FMT_YUV444P,
SWS_BICUBIC,
NULL, NULL, NULL);
// assign appropriate parts of buffer to image planes in videoFrame
// Note that videoFrame is an AVFrame, but AVFrame is a superset
// of AVPicture
avpicture_fill((AVPicture*)videoFrame,
videoBuffer,
AV_PIX_FMT_YUV444P,
reqWidth,
reqHeight);
currentPts = av_gettime();
frameTime = 1000.0 / av_q2d(videoCodecCtx->framerate);
lastFrameTime = frameTime;
return true;
}
