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jedi-academy/code/client/snd_music.cpp
James Monroe 684d1bcb3b Jedi Academy Release
2013-04-04 17:35:38 -05:00

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// Filename:- snd_music.cpp
//
// Stuff to parse in special x-fade music format and handle blending etc
//Anything above this #include will be ignored by the compiler
#include "../server/exe_headers.h"
#include "../qcommon/sstring.h"
#include <algorithm>
#ifdef _XBOX
#include "snd_local_console.h"
#include <xtl.h>
#else
#include "snd_local.h"
#include "cl_mp3.h"
#endif
//
#include "snd_music.h"
extern qboolean S_FileExists( const char *psFilename );
#ifdef _XBOX
extern void Z_SetNewDeleteTemporary(bool bTemp);
#endif
#define sKEY_MUSICFILES "musicfiles"
#define sKEY_ENTRY "entry"
#define sKEY_EXIT "exit"
#define sKEY_MARKER "marker"
#define sKEY_TIME "time"
#define sKEY_NEXTFILE "nextfile"
#define sKEY_NEXTMARK "nextmark"
#define sKEY_LEVELMUSIC "levelmusic"
#define sKEY_EXPLORE "explore"
#define sKEY_ACTION "action"
#define sKEY_BOSS "boss"
#define sKEY_DEATH "death"
#define sKEY_USES "uses"
#define sKEY_USEBOSS "useboss"
#define sKEY_PLACEHOLDER "placeholder" // ignore these
#define sFILENAME_DMS "ext_data/dms.dat"
#define MUSIC_PARSE_ERROR(_string) Music_Parse_Error(_string) // only use during parse, not run-time use, and bear in mid that data is zapped after error message, so exit any loops immediately
#define MUSIC_PARSE_WARNING(_string) Music_Parse_Warning(_string)
typedef struct
{
sstring_t sNextFile;
sstring_t sNextMark; // blank if used for an explore piece, name of marker point to enter new file at
} MusicExitPoint_t;
struct MusicExitTime_t // need to declare this way for operator < below
{
float fTime;
int iExitPoint;
// I'm defining this '<' operator so STL's sort algorithm will work
//
bool operator < (const MusicExitTime_t& _X) const {return (fTime < _X.fTime);}
};
// it's possible for all 3 of these to be empty if it's boss or death music
//
typedef vector <MusicExitPoint_t> MusicExitPoints_t;
typedef vector <MusicExitTime_t> MusicExitTimes_t;
typedef map <sstring_t, float> MusicEntryTimes_t; // key eg "marker1"
typedef struct
{
sstring_t sFileNameBase;
MusicEntryTimes_t MusicEntryTimes;
MusicExitPoints_t MusicExitPoints;
MusicExitTimes_t MusicExitTimes;
} MusicFile_t;
typedef map <sstring_t, MusicFile_t> MusicData_t; // string is "explore", "action", "boss" etc
MusicData_t* MusicData = NULL;
// there are now 2 of these, because of the new "uses" keyword...
//
sstring_t gsLevelNameForLoad; // eg "kejim_base", formed from literal BSP name, but also used as dir name for music paths
sstring_t gsLevelNameForCompare; // eg "kejim_base", formed from literal BSP name, but also used as dir name for music paths
sstring_t gsLevelNameForBossLoad; // eg "kejim_base', special case for enabling boss music to come from a different dir - sigh....
void Music_Free(void)
{
#ifdef _XBOX
// Prevents pending state changes from crashing the game after
// level loads, but before new music data has been parsed.
extern void S_AvertMusicDisaster(void);
S_AvertMusicDisaster();
#endif
if (MusicData)
{
#ifdef _XBOX
delete MusicData;
#else
MusicData->clear();
#endif
}
MusicData = NULL;
}
// some sort of error in the music data...
//
static void Music_Parse_Error(LPCSTR psError)
{
Com_Printf(S_COLOR_RED "Error parsing music data ( in \"%s\" ):\n%s\n",sFILENAME_DMS,psError);
MusicData->clear();
}
// something to just mention if interested...
//
static void Music_Parse_Warning(LPCSTR psError)
{
extern cvar_t *s_debugdynamic;
if (s_debugdynamic && s_debugdynamic->integer)
{
Com_Printf(S_COLOR_YELLOW "%s", psError);
}
}
// the 2nd param here is pretty kludgy (sigh), and only used for testing for the "boss" type.
// Unfortunately two of the places that calls this doesn't have much other access to the state other than
// a string, not an enum, so for those cases they only pass in BOSS or EXPLORE, so don't rely on it totally.
//
static LPCSTR Music_BuildFileName(LPCSTR psFileNameBase, MusicState_e eMusicState )
{
static sstring_t sFileName;
//HACK!
if (eMusicState == eBGRNDTRACK_DEATH)
{
return "music/death_music.mp3";
}
LPCSTR psDirName = (eMusicState == eBGRNDTRACK_BOSS) ? gsLevelNameForBossLoad.c_str() : gsLevelNameForLoad.c_str();
sFileName = va("music/%s/%s.mp3",psDirName,psFileNameBase);
return sFileName.c_str();
}
// this MUST return NULL for non-base states unless doing debug-query
const char *Music_BaseStateToString( MusicState_e eMusicState, qboolean bDebugPrintQuery /* = qfalse */ )
{
switch (eMusicState)
{
case eBGRNDTRACK_EXPLORE: return "explore";
case eBGRNDTRACK_ACTION: return "action";
case eBGRNDTRACK_BOSS: return "boss";
case eBGRNDTRACK_SILENCE: return "silence"; // not used in this module, but snd_dma uses it now it's de-static'd
case eBGRNDTRACK_DEATH: return "death";
// info only, not map<> lookup keys (unlike above)...
//
case eBGRNDTRACK_ACTIONTRANS0: if (bDebugPrintQuery) return "action_tr0";
case eBGRNDTRACK_ACTIONTRANS1: if (bDebugPrintQuery) return "action_tr1";
case eBGRNDTRACK_ACTIONTRANS2: if (bDebugPrintQuery) return "action_tr2";
case eBGRNDTRACK_ACTIONTRANS3: if (bDebugPrintQuery) return "action_tr3";
case eBGRNDTRACK_EXPLORETRANS0: if (bDebugPrintQuery) return "explore_tr0";
case eBGRNDTRACK_EXPLORETRANS1: if (bDebugPrintQuery) return "explore_tr1";
case eBGRNDTRACK_EXPLORETRANS2: if (bDebugPrintQuery) return "explore_tr2";
case eBGRNDTRACK_EXPLORETRANS3: if (bDebugPrintQuery) return "explore_tr3";
case eBGRNDTRACK_FADE: if (bDebugPrintQuery) return "fade";
}
return NULL;
}
static qboolean Music_ParseMusic(CGenericParser2 &Parser, MusicData_t *MusicData, CGPGroup *pgMusicFiles, LPCSTR psMusicName, LPCSTR psMusicNameKey, MusicState_e eMusicState)
{
qboolean bReturn = qfalse;
#ifdef _XBOX
Z_SetNewDeleteTemporary(true);
#endif
MusicFile_t MusicFile;
#ifdef _XBOX
Z_SetNewDeleteTemporary(false);
#endif
CGPGroup *pgMusicFile = pgMusicFiles->FindSubGroup(psMusicName);
if (pgMusicFile)
{
// read subgroups...
//
qboolean bEntryFound = qfalse;
qboolean bExitFound = qfalse;
//
// (read entry points first, so I can check exit points aren't too close in time)
//
CGPGroup *pEntryGroup = pgMusicFile->FindSubGroup(sKEY_ENTRY);
if (pEntryGroup)
{
// read entry points...
//
for (CGPValue *pValue = pEntryGroup->GetPairs(); pValue; pValue = pValue->GetNext())
{
LPCSTR psKey = pValue->GetName();
LPCSTR psValue = pValue->GetTopValue();
//if (!strncmp(psKey,sKEY_MARKER,strlen(sKEY_MARKER))) // for now, assume anything is a marker
{
MusicFile.MusicEntryTimes[psKey] = atof(psValue);
bEntryFound = qtrue; // harmless to keep setting
}
}
}
for (CGPGroup *pGroup = pgMusicFile->GetSubGroups(); pGroup; pGroup = pGroup->GetNext())
{
LPCSTR psGroupName = pGroup->GetName();
if (!strcmp(psGroupName,sKEY_ENTRY))
{
// skip entry points, I've already read them in above
//
}
else
if (!strcmp(psGroupName,sKEY_EXIT))
{
int iThisExitPointIndex = MusicFile.MusicExitPoints.size(); // must eval this first, so unaffected by push_back etc
//
// read this set of exit points...
//
MusicExitPoint_t MusicExitPoint;
for (CGPValue *pValue = pGroup->GetPairs(); pValue; pValue = pValue->GetNext())
{
LPCSTR psKey = pValue->GetName();
LPCSTR psValue = pValue->GetTopValue();
if (!strcmp(psKey,sKEY_NEXTFILE))
{
MusicExitPoint.sNextFile = psValue;
bExitFound = qtrue; // harmless to keep setting
}
else
if (!strcmp(psKey,sKEY_NEXTMARK))
{
MusicExitPoint.sNextMark = psValue;
}
else
if (!strncmp(psKey,sKEY_TIME,strlen(sKEY_TIME)))
{
MusicExitTime_t MusicExitTime;
MusicExitTime.fTime = atof(psValue);
MusicExitTime.iExitPoint= iThisExitPointIndex;
// new check, don't keep this this exit point if it's within 1.5 seconds either way of an entry point...
//
qboolean bTooCloseToEntryPoint = qfalse;
for (MusicEntryTimes_t::iterator itEntryTimes = MusicFile.MusicEntryTimes.begin(); itEntryTimes != MusicFile.MusicEntryTimes.end(); ++itEntryTimes)
{
float fThisEntryTime = (*itEntryTimes).second;
if (Q_fabs(fThisEntryTime - MusicExitTime.fTime) < 1.5f)
{
// bTooCloseToEntryPoint = qtrue; // not sure about this, ignore for now
break;
}
}
if (!bTooCloseToEntryPoint)
{
#ifdef _XBOX
Z_SetNewDeleteTemporary(true);
#endif
MusicFile.MusicExitTimes.push_back(MusicExitTime);
#ifdef _XBOX
Z_SetNewDeleteTemporary(false);
#endif
}
}
}
#ifdef _XBOX
Z_SetNewDeleteTemporary(true);
#endif
MusicFile.MusicExitPoints.push_back(MusicExitPoint);
#ifdef _XBOX
Z_SetNewDeleteTemporary(false);
#endif
int iNumExitPoints = MusicFile.MusicExitPoints.size();
// error checking...
//
switch (eMusicState)
{
case eBGRNDTRACK_EXPLORE:
if (iNumExitPoints > iMAX_EXPLORE_TRANSITIONS)
{
MUSIC_PARSE_ERROR( va("\"%s\" has > %d %s transitions defined!\n",psMusicName,iMAX_EXPLORE_TRANSITIONS,psMusicNameKey) );
return qfalse;
}
break;
case eBGRNDTRACK_ACTION:
if (iNumExitPoints > iMAX_ACTION_TRANSITIONS)
{
MUSIC_PARSE_ERROR( va("\"%s\" has > %d %s transitions defined!\n",psMusicName,iMAX_ACTION_TRANSITIONS,psMusicNameKey) );
return qfalse;
}
break;
case eBGRNDTRACK_BOSS:
case eBGRNDTRACK_DEATH:
MUSIC_PARSE_ERROR( va("\"%s\" has %s transitions defined, this is not allowed!\n",psMusicName,psMusicNameKey) );
break;
}
}
}
// for now, assume everything was ok unless some obvious things are missing...
//
bReturn = qtrue;
if (eMusicState != eBGRNDTRACK_BOSS && eMusicState != eBGRNDTRACK_DEATH) // boss & death pieces can omit entry/exit stuff
{
if (!bEntryFound)
{
MUSIC_PARSE_ERROR(va("Unable to find subgroup \"%s\" in group \"%s\"\n",sKEY_ENTRY,psMusicName));
bReturn = qfalse;
}
if (!bExitFound)
{
MUSIC_PARSE_ERROR(va("Unable to find subgroup \"%s\" in group \"%s\"\n",sKEY_EXIT,psMusicName));
bReturn = qfalse;
}
}
}
else
{
MUSIC_PARSE_ERROR(va("Unable to find musicfiles entry \"%s\"\n",psMusicName));
}
if (bReturn)
{
MusicFile.sFileNameBase = psMusicName;
(*MusicData)[ psMusicNameKey ] = MusicFile;
}
return bReturn;
}
// I only need this because GP2 can't cope with trailing whitespace (for !@#$%^'s sake!!!!)...
//
// (output buffer will always be just '\n' seperated, regardless of possible "\r\n" pairs)
//
// (remember to Z_Free() the returned char * when done with it!!!)
//
static char *StripTrailingWhiteSpaceOnEveryLine(char *pText)
{
#ifdef _XBOX
Z_SetNewDeleteTemporary(true);
#endif
string strNewText;
while (*pText)
{
char sOneLine[1024]; // BTO: was 16k
// find end of line...
//
char *pThisLineEnd = pText;
while (*pThisLineEnd && *pThisLineEnd != '\r' && ((pThisLineEnd-pText) < sizeof(sOneLine)-1))
{
pThisLineEnd++;
}
int iCharsToCopy = pThisLineEnd - pText;
strncpy(sOneLine, pText, iCharsToCopy);
sOneLine[iCharsToCopy]='\0';
pText += iCharsToCopy;
while (*pText == '\n' || *pText == '\r') pText++;
// trim trailing...
//
qboolean bTrimmed = qfalse;
do
{
bTrimmed = qfalse;
int iStrLen = strlen(sOneLine);
if (iStrLen)
{
if (sOneLine[iStrLen-1] == '\t' || sOneLine[iStrLen-1] == ' ')
{
sOneLine[iStrLen-1] = '\0';
bTrimmed = qtrue;
}
}
}
while (bTrimmed);
strNewText += sOneLine;
strNewText += "\n";
}
char *pNewText = (char *) Z_Malloc( strlen(strNewText.c_str())+1,
TAG_TEMP_WORKSPACE,
qfalse);
strcpy(pNewText, strNewText.c_str());
#ifdef _XBOX
Z_SetNewDeleteTemporary(false);
#endif
return pNewText;
}
// called from SV_SpawnServer, but before map load and music start etc.
//
// This just initialises the Lucas music structs so the background music player can interrogate them...
//
sstring_t gsLevelNameFromServer;
void Music_SetLevelName(const char *psLevelName)
{
gsLevelNameFromServer = psLevelName;
}
static qboolean Music_ParseLeveldata(const char *psLevelName)
{
qboolean bReturn = qfalse;
if (MusicData == NULL)
{
#ifdef _XBOX
MusicData = new MusicData_t;
#else
// sorry vv, false leaks make it hard to find true leaks
static MusicData_t singleton;
MusicData = &singleton;
#endif
}
// already got this data?
//
if (MusicData->size() && !Q_stricmp(psLevelName,gsLevelNameForCompare.c_str()))
{
return qtrue;
}
MusicData->clear();
char sLevelName[MAX_QPATH];
Q_strncpyz(sLevelName,psLevelName,sizeof(sLevelName));
gsLevelNameForLoad = sLevelName; // harmless to init here even if we fail to parse dms.dat file
gsLevelNameForCompare = sLevelName; // harmless to init here even if we fail to parse dms.dat file
gsLevelNameForBossLoad = sLevelName; // harmless to init here even if we fail to parse dms.dat file
char *pText = NULL;
/*int iTotalBytesLoaded = */FS_ReadFile(sFILENAME_DMS, (void **)&pText );
if (pText)
{
char *psStrippedText = StripTrailingWhiteSpaceOnEveryLine(pText);
CGenericParser2 Parser;
char *psDataPtr = psStrippedText; // because ptr gets advanced, so we supply a clone that GP can alter
if (Parser.Parse(&psDataPtr, true))
{
CGPGroup *pFileGroup = Parser.GetBaseParseGroup();
if (pFileGroup)
{
CGPGroup *pgMusicFiles = pFileGroup->FindSubGroup(sKEY_MUSICFILES);
if (pgMusicFiles)
{
CGPGroup *pgLevelMusic = pFileGroup->FindSubGroup(sKEY_LEVELMUSIC);
if (pgLevelMusic)
{
CGPGroup *pgThisLevelMusic = NULL;
//
// check for new USE keyword...
//
int iSanityLimit = 0;
sstring_t sSearchName(sLevelName);
while (sSearchName.c_str()[0] && iSanityLimit < 10)
{
gsLevelNameForLoad = sSearchName;
gsLevelNameForBossLoad = sSearchName;
pgThisLevelMusic = pgLevelMusic->FindSubGroup(sSearchName.c_str());
if (pgThisLevelMusic)
{
CGPValue *pValue = pgThisLevelMusic->FindPair(sKEY_USES);
if (pValue)
{
// re-search using the USE param...
//
sSearchName = pValue->GetTopValue();
iSanityLimit++;
// Com_DPrintf("Using \"%s\"\n",sSearchName.c_str());
}
else
{
// no new USE keyword found...
//
sSearchName = "";
}
}
else
{
// level entry not found...
//
break;
}
}
// now go ahead and use the final music set we've decided on...
//
if (pgThisLevelMusic && iSanityLimit < 10)
{
// these are optional fields, so see which ones we find...
//
LPCSTR psName_Explore = NULL;
LPCSTR psName_Action = NULL;
LPCSTR psName_Boss = NULL;
LPCSTR psName_Death = NULL;
//
LPCSTR psName_UseBoss = NULL;
for (CGPValue *pValue = pgThisLevelMusic->GetPairs(); pValue; pValue = pValue->GetNext())
{
LPCSTR psKey = pValue->GetName();
LPCSTR psValue = pValue->GetTopValue();
if (Q_stricmp(psValue,sKEY_PLACEHOLDER)) // ignore "placeholder" items
{
if (!Q_stricmp(psKey,sKEY_EXPLORE))
{
psName_Explore = psValue;
}
else
if (!Q_stricmp(psKey,sKEY_ACTION))
{
psName_Action = psValue;
}
else
if (!Q_stricmp(psKey,sKEY_USEBOSS))
{
psName_UseBoss = psValue;
}
else
if (!Q_stricmp(psKey,sKEY_BOSS))
{
psName_Boss = psValue;
}
else
if (!Q_stricmp(psKey,sKEY_DEATH))
{
psName_Death = psValue;
}
}
}
bReturn = qtrue; // defualt to ON now, so I can turn it off if "useboss" fails
if (psName_UseBoss)
{
CGPGroup *pgLevelMusicOfBoss = pgLevelMusic->FindSubGroup(psName_UseBoss);
if (pgLevelMusicOfBoss)
{
CGPValue *pValueBoss = pgLevelMusicOfBoss->FindPair(sKEY_BOSS);
if (pValueBoss)
{
psName_Boss = pValueBoss->GetTopValue();
gsLevelNameForBossLoad = psName_UseBoss;
}
else
{
MUSIC_PARSE_ERROR(va("'useboss' \"%s\" has no \"boss\" entry!\n",psName_UseBoss));
bReturn = qfalse;
}
}
else
{
MUSIC_PARSE_ERROR(va("Unable to find 'useboss' entry \"%s\"\n",psName_UseBoss));
bReturn = qfalse;
}
}
// done this way in case I want to conditionally pass any bools depending on music type...
//
if (bReturn && psName_Explore)
{
bReturn = Music_ParseMusic(Parser, MusicData, pgMusicFiles, psName_Explore, sKEY_EXPLORE, eBGRNDTRACK_EXPLORE);
}
if (bReturn && psName_Action)
{
bReturn = Music_ParseMusic(Parser, MusicData, pgMusicFiles, psName_Action, sKEY_ACTION, eBGRNDTRACK_ACTION);
}
if (bReturn && psName_Boss)
{
bReturn = Music_ParseMusic(Parser, MusicData, pgMusicFiles, psName_Boss, sKEY_BOSS, eBGRNDTRACK_BOSS);
}
if (bReturn /*&& psName_Death*/) // LAST MINUTE HACK!!, always force in some death music!!!!
{
//bReturn = Music_ParseMusic(Parser, MusicData, pgMusicFiles, psName_Death, sKEY_DEATH, eBGRNDTRACK_DEATH);
MusicFile_t m;
m.sFileNameBase = "death_music";
(*MusicData)[ sKEY_DEATH ] = m;
}
}
else
{
MUSIC_PARSE_WARNING(va("Unable to find entry for \"%s\" in \"%s\"\n",sLevelName,sFILENAME_DMS));
}
}
else
{
MUSIC_PARSE_ERROR(va("Unable to find subgroup \"%s\"\n",sKEY_LEVELMUSIC));
}
}
else
{
MUSIC_PARSE_ERROR(va("Unable to find subgroup \"%s\"\n",sKEY_MUSICFILES));
}
}
else
{
MUSIC_PARSE_ERROR( "Error calling GP2.GetBaseParseGroup()\n" );
}
}
else
{
MUSIC_PARSE_ERROR( "Error using GP to parse file\n" );
}
Z_Free(psStrippedText);
FS_FreeFile( pText );
}
else
{
MUSIC_PARSE_ERROR( "Unable to even read main file\n" ); // file name specified in error message
}
if (bReturn)
{
// sort exit points, and do some error checking...
//
for (MusicData_t::iterator itMusicData = MusicData->begin(); itMusicData != MusicData->end(); ++itMusicData)
{
LPCSTR psMusicStateType = (*itMusicData).first.c_str();
MusicFile_t &MusicFile = (*itMusicData).second;
// kludge up an enum, only interested in boss or not at the moment, so...
//
MusicState_e eMusicState = !stricmp(psMusicStateType,"boss") ? eBGRNDTRACK_BOSS : !stricmp(psMusicStateType,"death") ? eBGRNDTRACK_DEATH : eBGRNDTRACK_EXPLORE;
if (!MusicFile.MusicExitTimes.empty())
{
sort(MusicFile.MusicExitTimes.begin(),MusicFile.MusicExitTimes.end());
}
// check music exists...
//
LPCSTR psMusicFileName = Music_BuildFileName( MusicFile.sFileNameBase.c_str(), eMusicState );
if (!S_FileExists( psMusicFileName ))
{
MUSIC_PARSE_ERROR(va("Music file \"%s\" not found!\n",psMusicFileName));
return qfalse; // have to return, because music data destroyed now
}
// check all transition music pieces exist, and that entry points into new pieces after transitions also exist...
//
for (int iExitPoint=0; iExitPoint < MusicFile.MusicExitPoints.size(); iExitPoint++)
{
MusicExitPoint_t &MusicExitPoint = MusicFile.MusicExitPoints[ iExitPoint ];
LPCSTR psTransitionFileName = Music_BuildFileName( MusicExitPoint.sNextFile.c_str(), eMusicState );
if (!S_FileExists( psTransitionFileName ))
{
MUSIC_PARSE_ERROR(va("Transition file \"%s\" (entry \"%s\" ) not found!\n",psTransitionFileName, MusicExitPoint.sNextFile.c_str()));
return qfalse; // have to return, because music data destroyed now
}
LPCSTR psNextMark = MusicExitPoint.sNextMark.c_str();
if (strlen(psNextMark)) // always NZ ptr
{
// then this must be "action" music under current rules...
//
assert( !strcmp(psMusicStateType, Music_BaseStateToString(eBGRNDTRACK_ACTION) ? Music_BaseStateToString(eBGRNDTRACK_ACTION):"") );
//
// does this marker exist in the explore piece?
//
MusicData_t::iterator itExploreMusicData = MusicData->find( Music_BaseStateToString(eBGRNDTRACK_EXPLORE) );
if (itExploreMusicData != MusicData->end())
{
MusicFile_t &MusicFile_Explore = (*itExploreMusicData).second;
if (!MusicFile_Explore.MusicEntryTimes.count(psNextMark))
{
MUSIC_PARSE_ERROR( va("Unable to find entry point \"%s\" in description for \"%s\"\n",psNextMark,MusicFile_Explore.sFileNameBase.c_str()) );
return qfalse; // have to return, because music data destroyed now
}
}
else
{
MUSIC_PARSE_ERROR( va("Unable to find %s piece to match \"%s\"\n", Music_BaseStateToString(eBGRNDTRACK_EXPLORE), MusicFile.sFileNameBase.c_str() ) );
return qfalse; // have to return, because music data destroyed now
}
}
}
}
}
#ifdef _DEBUG
/*
// dump the whole thing out to prove it was read in ok...
//
if (bReturn)
{
for (MusicData_t::iterator itMusicData = MusicData->begin(); itMusicData != MusicData->end(); ++itMusicData)
{
LPCSTR psMusicState = (*itMusicData).first.c_str();
MusicFile_t &MusicFile = (*itMusicData).second;
OutputDebugString(va("Music State: \"%s\", File: \"%s\"\n",psMusicState, MusicFile.sFileNameBase.c_str()));
// entry times...
//
for (MusicEntryTimes_t::iterator itEntryTimes = MusicFile.MusicEntryTimes.begin(); itEntryTimes != MusicFile.MusicEntryTimes.end(); ++itEntryTimes)
{
LPCSTR psMarkerName = (*itEntryTimes).first.c_str();
float fEntryTime = (*itEntryTimes).second;
OutputDebugString(va("Entry time for \"%s\": %f\n", psMarkerName, fEntryTime));
}
// exit points...
//
for (int i=0; i<MusicFile.MusicExitPoints.size(); i++)
{
MusicExitPoint_t &MusicExitPoint = MusicFile.MusicExitPoints[i];
OutputDebugString(va("Exit point %d: sNextFile: \"%s\", sNextMark: \"%s\"\n",i,MusicExitPoint.sNextFile.c_str(),MusicExitPoint.sNextMark.c_str()));
}
// exit times...
//
for (i=0; i<MusicFile.MusicExitTimes.size(); i++)
{
MusicExitTime_t &MusicExitTime = MusicFile.MusicExitTimes[i];
OutputDebugString(va("Exit time %d: fTime: %f, iExitPoint: %d\n",i,MusicExitTime.fTime,MusicExitTime.iExitPoint));
}
}
}
*/
#endif
return bReturn;
}
// returns ptr to music file, or NULL for error/missing...
//
static MusicFile_t *Music_GetBaseMusicFile( LPCSTR psMusicState ) // where psMusicState is (eg) "explore", "action" or "boss"
{
MusicData_t::iterator it = MusicData->find( psMusicState );
if (it != MusicData->end())
{
MusicFile_t *pMusicFile = &(*it).second;
return pMusicFile;
}
return NULL;
}
static MusicFile_t *Music_GetBaseMusicFile( MusicState_e eMusicState )
{
LPCSTR psMusicStateString = Music_BaseStateToString( eMusicState );
if ( psMusicStateString )
{
return Music_GetBaseMusicFile( psMusicStateString );
}
return NULL;
}
// where label is (eg) "kejim_base"...
//
qboolean Music_DynamicDataAvailable(const char *psDynamicMusicLabel)
{
char sLevelName[MAX_QPATH];
Q_strncpyz(sLevelName,COM_SkipPath( const_cast<char*>( (psDynamicMusicLabel&&psDynamicMusicLabel[0])?psDynamicMusicLabel:gsLevelNameFromServer.c_str() ) ),sizeof(sLevelName));
strlwr(sLevelName);
if (strlen(sLevelName)) // avoid error messages when there's no music waiting to be played and we try and restart it...
{
if (Music_ParseLeveldata(sLevelName))
{
return !!( Music_GetBaseMusicFile( eBGRNDTRACK_EXPLORE ) &&
Music_GetBaseMusicFile( eBGRNDTRACK_ACTION )
);
}
}
return qfalse;
}
LPCSTR Music_GetFileNameForState( MusicState_e eMusicState)
{
MusicFile_t *pMusicFile = NULL;
switch (eMusicState)
{
case eBGRNDTRACK_EXPLORE:
case eBGRNDTRACK_ACTION:
case eBGRNDTRACK_BOSS:
case eBGRNDTRACK_DEATH:
pMusicFile = Music_GetBaseMusicFile( eMusicState );
if (pMusicFile)
{
return Music_BuildFileName( pMusicFile->sFileNameBase.c_str(), eMusicState );
}
break;
case eBGRNDTRACK_ACTIONTRANS0:
case eBGRNDTRACK_ACTIONTRANS1:
case eBGRNDTRACK_ACTIONTRANS2:
case eBGRNDTRACK_ACTIONTRANS3:
pMusicFile = Music_GetBaseMusicFile( eBGRNDTRACK_ACTION );
if (pMusicFile)
{
int iTransNum = eMusicState - eBGRNDTRACK_ACTIONTRANS0;
if (iTransNum < pMusicFile->MusicExitPoints.size())
{
return Music_BuildFileName( pMusicFile->MusicExitPoints[iTransNum].sNextFile.c_str(), eMusicState );
}
}
break;
case eBGRNDTRACK_EXPLORETRANS0:
case eBGRNDTRACK_EXPLORETRANS1:
case eBGRNDTRACK_EXPLORETRANS2:
case eBGRNDTRACK_EXPLORETRANS3:
pMusicFile = Music_GetBaseMusicFile( eBGRNDTRACK_EXPLORE );
if (pMusicFile)
{
int iTransNum = eMusicState - eBGRNDTRACK_EXPLORETRANS0;
if (iTransNum < pMusicFile->MusicExitPoints.size())
{
return Music_BuildFileName( pMusicFile->MusicExitPoints[iTransNum].sNextFile.c_str(), eMusicState );
}
}
break;
default:
#ifndef FINAL_BUILD
assert(0); // duh....what state are they asking for?
Com_Printf( S_COLOR_RED "Music_GetFileNameForState( %d ) unhandled case!\n",eMusicState );
#endif
break;
}
return NULL;
}
qboolean Music_StateIsTransition( MusicState_e eMusicState )
{
return (eMusicState >= eBGRNDTRACK_FIRSTTRANSITION &&
eMusicState <= eBGRNDTRACK_LASTTRANSITION
);
}
qboolean Music_StateCanBeInterrupted( MusicState_e eMusicState, MusicState_e eProposedMusicState )
{
// death music can interrupt anything...
//
if (eProposedMusicState == eBGRNDTRACK_DEATH)
return qtrue;
//
// ... and can't be interrupted once started...(though it will internally-switch to silence at the end, rather than loop)
//
if (eMusicState == eBGRNDTRACK_DEATH)
{
return qfalse;
}
// boss music can interrupt anything (other than death, but that's already handled above)...
//
if (eProposedMusicState == eBGRNDTRACK_BOSS)
return qtrue;
//
// ... and can't be interrupted once started...
//
if (eMusicState == eBGRNDTRACK_BOSS)
{
// ...except by silence (or death, but again, that's already handled above)
//
if (eProposedMusicState == eBGRNDTRACK_SILENCE)
return qtrue;
return qfalse;
}
// action music can interrupt anything (after boss & death filters above)...
//
if (eProposedMusicState == eBGRNDTRACK_ACTION)
return qtrue;
// nothing can interrupt a transition (after above filters)...
//
if (Music_StateIsTransition( eMusicState ))
return qfalse;
// current state is therefore interruptable...
//
return qtrue;
}
// returns qtrue if music is allowed to transition out of current state, based on current play position...
// (doesn't bother returning final state after transition (eg action->transition->explore) becuase it's fairly obvious)
//
// supply:
//
// playing point in float seconds
// enum of track being queried
//
// get:
//
// enum of transition track to switch to
// float time of entry point of new track *after* transition
//
qboolean Music_AllowedToTransition( float fPlayingTimeElapsed,
MusicState_e eMusicState,
//
MusicState_e *peTransition /* = NULL */,
float *pfNewTrackEntryTime /* = NULL */
)
{
const float fTimeEpsilon = 0.3f; // arb., how close we have to be to an exit point to take it.
// if set too high then music change is sloppy
// if set too low[/precise] then we might miss an exit if client fps is poor
MusicFile_t *pMusicFile = Music_GetBaseMusicFile( eMusicState );
if (pMusicFile && !pMusicFile->MusicExitTimes.empty())
{
MusicExitTime_t T;
T.fTime = fPlayingTimeElapsed;
// since a MusicExitTimes_t item is a sorted array, we can use the equal_range algorithm...
//
pair <MusicExitTimes_t::iterator, MusicExitTimes_t::iterator> itp = equal_range( pMusicFile->MusicExitTimes.begin(), pMusicFile->MusicExitTimes.end(), T);
if (itp.first != pMusicFile->MusicExitTimes.begin())
itp.first--; // encompass the one before, in case we've just missed an exit point by < fTimeEpsilon
if (itp.second!= pMusicFile->MusicExitTimes.end())
itp.second++; // increase range to one beyond, so we can do normal STL being/end looping below
for (MusicExitTimes_t::iterator it = itp.first; it != itp.second; ++it)
{
MusicExitTimes_t::iterator pExitTime = it;
if ( Q_fabs(pExitTime->fTime - fPlayingTimeElapsed) <= fTimeEpsilon )
{
// got an exit point!, work out feedback params...
//
int iExitPoint = pExitTime->iExitPoint;
//
// the two params to give back...
//
MusicState_e eFeedBackTransition = eBGRNDTRACK_EXPLORETRANS0; // any old default
float fFeedBackNewTrackEntryTime = 0.0f;
//
// check legality in case of crap data...
//
if (iExitPoint < pMusicFile->MusicExitPoints.size())
{
MusicExitPoint_t &ExitPoint = pMusicFile->MusicExitPoints[ iExitPoint ];
switch (eMusicState)
{
case eBGRNDTRACK_EXPLORE:
{
assert(iExitPoint < iMAX_EXPLORE_TRANSITIONS); // already been checked, but sanity
assert(!ExitPoint.sNextMark.c_str()[0]); // simple error checking, but harmless if tripped. explore transitions go to silence, hence no entry time for [silence] state after transition
eFeedBackTransition = (MusicState_e) (eBGRNDTRACK_EXPLORETRANS0 + iExitPoint);
}
break;
case eBGRNDTRACK_ACTION:
{
assert(iExitPoint < iMAX_ACTION_TRANSITIONS); // already been checked, but sanity
// if there's an entry marker point defined...
//
if (ExitPoint.sNextMark.c_str()[0])
{
MusicData_t::iterator itExploreMusicData = MusicData->find( Music_BaseStateToString(eBGRNDTRACK_EXPLORE) );
//
// find "explore" music...
//
if (itExploreMusicData != MusicData->end())
{
MusicFile_t &MusicFile_Explore = (*itExploreMusicData).second;
//
// find the entry marker within the music and read the time there...
//
MusicEntryTimes_t::iterator itEntryTime = MusicFile_Explore.MusicEntryTimes.find( ExitPoint.sNextMark.c_str() );
if (itEntryTime != MusicFile_Explore.MusicEntryTimes.end())
{
fFeedBackNewTrackEntryTime = (*itEntryTime).second;
eFeedBackTransition = (MusicState_e) (eBGRNDTRACK_ACTIONTRANS0 + iExitPoint);
}
else
{
#ifndef FINAL_BUILD
assert(0); // sanity, should have been caught elsewhere, but harmless to do this
Com_Printf( S_COLOR_RED "Music_AllowedToTransition() unable to find entry marker \"%s\" in \"%s\"",ExitPoint.sNextMark.c_str(), MusicFile_Explore.sFileNameBase.c_str());
#endif
return qfalse;
}
}
else
{
#ifndef FINAL_BUILD
assert(0); // sanity, should have been caught elsewhere, but harmless to do this
Com_Printf( S_COLOR_RED "Music_AllowedToTransition() unable to find %s version of \"%s\"\n",Music_BaseStateToString(eBGRNDTRACK_EXPLORE), pMusicFile->sFileNameBase.c_str());
#endif
return qfalse;
}
}
else
{
eFeedBackTransition = eBGRNDTRACK_ACTIONTRANS0;
fFeedBackNewTrackEntryTime = 0.0f; // already set to this, but FYI
}
}
break;
default:
{
#ifndef FINAL_BUILD
assert(0);
Com_Printf( S_COLOR_RED "Music_AllowedToTransition(): No code to transition from music type %d\n",eMusicState);
#endif
return qfalse;
}
break;
}
}
else
{
#ifndef FINAL_BUILD
assert(0);
Com_Printf( S_COLOR_RED "Music_AllowedToTransition(): Illegal exit point %d, max = %d (music: \"%s\")\n",iExitPoint, pMusicFile->MusicExitPoints.size()-1, pMusicFile->sFileNameBase.c_str() );
#endif
return qfalse;
}
// feed back answers...
//
if ( peTransition)
{
*peTransition = eFeedBackTransition;
}
if ( pfNewTrackEntryTime )
{
*pfNewTrackEntryTime = fFeedBackNewTrackEntryTime;
}
return qtrue;
}
}
}
return qfalse;
}
// typically used to get a (predefined) random entry point for the action music, but will work on any defined type with entry points,
// defaults safely to 0.0f if no info available...
//
float Music_GetRandomEntryTime( MusicState_e eMusicState )
{
MusicData_t::iterator itMusicData = MusicData->find( Music_BaseStateToString( eMusicState ) );
if (itMusicData != MusicData->end())
{
MusicFile_t &MusicFile = (*itMusicData).second;
if (MusicFile.MusicEntryTimes.size()) // make sure at least one defined, else default to start
{
// Quake's random number generator isn't very good, so instead of this:
//
// int iRandomEntryNum = Q_irand(0, (MusicFile.MusicEntryTimes.size()-1) );
//
// ... I'll do this (ensuring we don't get the same result on two consecutive calls, but without while-loop)...
//
static int iPrevRandomNumber = -1;
static int iCallCount = 0;
iCallCount++;
int iRandomEntryNum = (rand()+iCallCount) % (MusicFile.MusicEntryTimes.size()); // legal range
if (iRandomEntryNum == iPrevRandomNumber && MusicFile.MusicEntryTimes.size()>1)
{
iRandomEntryNum += 1;
iRandomEntryNum %= (MusicFile.MusicEntryTimes.size());
}
iPrevRandomNumber = iRandomEntryNum;
// OutputDebugString(va("Music_GetRandomEntryTime(): Entry %d\n",iRandomEntryNum));
for (MusicEntryTimes_t::iterator itEntryTime = MusicFile.MusicEntryTimes.begin(); itEntryTime != MusicFile.MusicEntryTimes.end(); ++itEntryTime)
{
if (!iRandomEntryNum--)
{
return (*itEntryTime).second;
}
}
}
}
return 0.0f;
}
// info only, used in "soundinfo" command...
//
const char *Music_GetLevelSetName(void)
{
if (Q_stricmp(gsLevelNameForCompare.c_str(), gsLevelNameForLoad.c_str()))
{
// music remap via USES command...
//
return va("%s -> %s",gsLevelNameForCompare.c_str(), gsLevelNameForLoad.c_str());
}
return gsLevelNameForLoad.c_str();
}
///////////////// eof /////////////////////
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