Files
itgmania212121/src/NotesLoaderSM.cpp
T
2025-03-05 08:35:09 -08:00

1579 lines
46 KiB
C++

#include "global.h"
#include "NotesLoaderSM.h"
#include "BackgroundUtil.h"
#include "GameManager.h"
#include "MsdFile.h"
#include "NoteTypes.h"
#include "RageFileManager.h"
#include "RageLog.h"
#include "RageUtil.h"
#include "Song.h"
#include "SongManager.h"
#include "Steps.h"
#include "Attack.h"
#include "PrefsManager.h"
#include <cstddef>
#include <vector>
// Everything from this line to the creation of sm_parser_helper exists to
// speed up parsing by allowing the use of std::map. All these functions
// are put into a map of function pointers which is used when loading.
// -Kyz
/****************************************************************/
struct SMSongTagInfo
{
SMLoader* loader;
Song* song;
const MsdFile::value_t* params;
const RString& path;
std::vector<std::pair<float, float>> BPMChanges, Stops;
SMSongTagInfo(SMLoader* l, Song* s, const RString& p)
:loader(l), song(s), path(p)
{}
};
typedef void (*song_tag_func_t)(SMSongTagInfo& info);
// Functions for song tags go below this line. -Kyz
/****************************************************************/
void SMSetTitle(SMSongTagInfo& info)
{
info.song->m_sMainTitle = (*info.params)[1];
info.loader->SetSongTitle((*info.params)[1]);
}
void SMSetSubtitle(SMSongTagInfo& info)
{
info.song->m_sSubTitle = (*info.params)[1];
}
void SMSetArtist(SMSongTagInfo& info)
{
info.song->m_sArtist = (*info.params)[1];
}
void SMSetTitleTranslit(SMSongTagInfo& info)
{
info.song->m_sMainTitleTranslit = (*info.params)[1];
}
void SMSetSubtitleTranslit(SMSongTagInfo& info)
{
info.song->m_sSubTitleTranslit = (*info.params)[1];
}
void SMSetArtistTranslit(SMSongTagInfo& info)
{
info.song->m_sArtistTranslit = (*info.params)[1];
}
void SMSetGenre(SMSongTagInfo& info)
{
info.song->m_sGenre = (*info.params)[1];
}
void SMSetCredit(SMSongTagInfo& info)
{
info.song->m_sCredit = (*info.params)[1];
}
void SMSetBanner(SMSongTagInfo& info)
{
info.song->m_sBannerFile = (*info.params)[1];
}
void SMSetBackground(SMSongTagInfo& info)
{
info.song->m_sBackgroundFile = (*info.params)[1];
}
void SMSetLyricsPath(SMSongTagInfo& info)
{
info.song->m_sLyricsFile = (*info.params)[1];
}
void SMSetCDTitle(SMSongTagInfo& info)
{
info.song->m_sCDTitleFile = (*info.params)[1];
}
void SMSetMusic(SMSongTagInfo& info)
{
info.song->m_sMusicFile = (*info.params)[1];
}
void SMSetOffset(SMSongTagInfo& info)
{
info.song->m_SongTiming.m_fBeat0OffsetInSeconds = StringToFloat((*info.params)[1]);
}
void SMSetBPMs(SMSongTagInfo& info)
{
info.BPMChanges.clear();
info.loader->ParseBPMs(info.BPMChanges, (*info.params)[1]);
}
void SMSetStops(SMSongTagInfo& info)
{
info.Stops.clear();
info.loader->ParseStops(info.Stops, (*info.params)[1]);
}
void SMSetDelays(SMSongTagInfo& info)
{
info.loader->ProcessDelays(info.song->m_SongTiming, (*info.params)[1]);
}
void SMSetTimeSignatures(SMSongTagInfo& info)
{
info.loader->ProcessTimeSignatures(info.song->m_SongTiming, (*info.params)[1]);
}
void SMSetTickCounts(SMSongTagInfo& info)
{
info.loader->ProcessTickcounts(info.song->m_SongTiming, (*info.params)[1]);
}
void SMSetInstrumentTrack(SMSongTagInfo& info)
{
info.loader->ProcessInstrumentTracks(*info.song, (*info.params)[1]);
}
void SMSetSampleStart(SMSongTagInfo& info)
{
info.song->m_fMusicSampleStartSeconds = HHMMSSToSeconds((*info.params)[1]);
}
void SMSetSampleLength(SMSongTagInfo& info)
{
info.song->m_fMusicSampleLengthSeconds = HHMMSSToSeconds((*info.params)[1]);
}
void SMSetDisplayBPM(SMSongTagInfo& info)
{
// #DISPLAYBPM:[xxx][xxx:xxx]|[*];
if((*info.params)[1] == "*")
{ info.song->m_DisplayBPMType = DISPLAY_BPM_RANDOM; }
else
{
info.song->m_DisplayBPMType = DISPLAY_BPM_SPECIFIED;
info.song->m_fSpecifiedBPMMin = StringToFloat((*info.params)[1]);
if((*info.params)[2].empty())
{ info.song->m_fSpecifiedBPMMax = info.song->m_fSpecifiedBPMMin; }
else
{ info.song->m_fSpecifiedBPMMax = StringToFloat((*info.params)[2]); }
}
}
void SMSetSelectable(SMSongTagInfo& info)
{
if((*info.params)[1].EqualsNoCase("YES"))
{ info.song->m_SelectionDisplay = info.song->SHOW_ALWAYS; }
else if((*info.params)[1].EqualsNoCase("NO"))
{ info.song->m_SelectionDisplay = info.song->SHOW_NEVER; }
// ROULETTE from 3.9. It was removed since UnlockManager can serve
// the same purpose somehow. This, of course, assumes you're using
// unlocks. -aj
else if((*info.params)[1].EqualsNoCase("ROULETTE"))
{ info.song->m_SelectionDisplay = info.song->SHOW_ALWAYS; }
/* The following two cases are just fixes to make sure simfiles that
* used 3.9+ features are not excluded here */
else if((*info.params)[1].EqualsNoCase("ES") || (*info.params)[1].EqualsNoCase("OMES"))
{ info.song->m_SelectionDisplay = info.song->SHOW_ALWAYS; }
else if(StringToInt((*info.params)[1]) > 0)
{ info.song->m_SelectionDisplay = info.song->SHOW_ALWAYS; }
else
{ LOG->UserLog("Song file", info.path, "has an unknown #SELECTABLE value, \"%s\"; ignored.", (*info.params)[1].c_str()); }
}
void SMSetBGChanges(SMSongTagInfo& info)
{
info.loader->ProcessBGChanges(*info.song, (*info.params)[0], info.path, (*info.params)[1]);
}
void SMSetFGChanges(SMSongTagInfo& info)
{
std::vector<std::vector<RString> > aFGChanges;
info.loader->ParseBGChangesString((*info.params)[1], aFGChanges, info.song->GetSongDir());
for (const auto &b : aFGChanges)
{
BackgroundChange change;
if (info.loader->LoadFromBGChangesVector(change, b))
info.song->AddForegroundChange(change);
}
}
void SMSetKeysounds(SMSongTagInfo& info)
{
split((*info.params)[1], ",", info.song->m_vsKeysoundFile);
}
void SMSetAttacks(SMSongTagInfo& info)
{
info.loader->ProcessAttackString(info.song->m_sAttackString, (*info.params));
info.loader->ProcessAttacks(info.song->m_Attacks, (*info.params));
}
typedef std::map<RString, song_tag_func_t> song_handler_map_t;
struct sm_parser_helper_t
{
song_handler_map_t song_tag_handlers;
// Unless signed, the comments in this tag list are not by me. They were
// moved here when converting from the else if chain. -Kyz
sm_parser_helper_t()
{
song_tag_handlers["TITLE"]= &SMSetTitle;
song_tag_handlers["SUBTITLE"]= &SMSetSubtitle;
song_tag_handlers["ARTIST"]= &SMSetArtist;
song_tag_handlers["TITLETRANSLIT"]= &SMSetTitleTranslit;
song_tag_handlers["SUBTITLETRANSLIT"]= &SMSetSubtitleTranslit;
song_tag_handlers["ARTISTTRANSLIT"]= &SMSetArtistTranslit;
song_tag_handlers["GENRE"]= &SMSetGenre;
song_tag_handlers["CREDIT"]= &SMSetCredit;
song_tag_handlers["BANNER"]= &SMSetBanner;
song_tag_handlers["BACKGROUND"]= &SMSetBackground;
// Save "#LYRICS" for later, so we can add an internal lyrics tag.
song_tag_handlers["LYRICSPATH"]= &SMSetLyricsPath;
song_tag_handlers["CDTITLE"]= &SMSetCDTitle;
song_tag_handlers["MUSIC"]= &SMSetMusic;
song_tag_handlers["OFFSET"]= &SMSetOffset;
song_tag_handlers["BPMS"]= &SMSetBPMs;
song_tag_handlers["STOPS"]= &SMSetStops;
song_tag_handlers["FREEZES"]= &SMSetStops;
song_tag_handlers["DELAYS"]= &SMSetDelays;
song_tag_handlers["TIMESIGNATURES"]= &SMSetTimeSignatures;
song_tag_handlers["TICKCOUNTS"]= &SMSetTickCounts;
song_tag_handlers["INSTRUMENTTRACK"]= &SMSetInstrumentTrack;
song_tag_handlers["SAMPLESTART"]= &SMSetSampleStart;
song_tag_handlers["SAMPLELENGTH"]= &SMSetSampleLength;
song_tag_handlers["DISPLAYBPM"]= &SMSetDisplayBPM;
song_tag_handlers["SELECTABLE"]= &SMSetSelectable;
// It's a bit odd to have the tag that exists for backwards compatibility
// in this list and not the replacement, but the BGCHANGES tag has a
// number on the end, allowing up to NUM_BackgroundLayer tags, so it
// can't fit in the map. -Kyz
song_tag_handlers["ANIMATIONS"]= &SMSetBGChanges;
song_tag_handlers["FGCHANGES"]= &SMSetFGChanges;
song_tag_handlers["KEYSOUNDS"]= &SMSetKeysounds;
// Attacks loaded from file
song_tag_handlers["ATTACKS"]= &SMSetAttacks;
/* Tags that no longer exist, listed for posterity. May their names
* never be forgotten for their service to Stepmania. -Kyz
* LASTBEATHINT: // unable to identify at this point: ignore
* MUSICBYTES: // ignore
* FIRSTBEAT: // cache tags from older SM files: ignore.
* LASTBEAT: // cache tags from older SM files: ignore.
* SONGFILENAME: // cache tags from older SM files: ignore.
* HASMUSIC: // cache tags from older SM files: ignore.
* HASBANNER: // cache tags from older SM files: ignore.
* SAMPLEPATH: // SamplePath was used when the song has a separate preview clip. -aj
* LEADTRACK: // XXX: Does anyone know what LEADTRACK is for? -Wolfman2000
* MUSICLENGTH: // Loaded from the cache now. -Kyz
*/
}
};
sm_parser_helper_t sm_parser_helper;
// End sm_parser_helper related functions. -Kyz
/****************************************************************/
void SMLoader::SetSongTitle(const RString & title)
{
this->songTitle = title;
}
RString SMLoader::GetSongTitle() const
{
return this->songTitle;
}
bool SMLoader::LoadFromDir( const RString &sPath, Song &out, bool load_autosave )
{
std::vector<RString> aFileNames;
GetApplicableFiles( sPath, aFileNames, load_autosave );
return LoadFromSimfile( sPath + aFileNames[0], out );
}
float SMLoader::RowToBeat( RString line, const int rowsPerBeat )
{
RString backup = line;
Trim(line, "r");
Trim(line, "R");
if( backup != line )
{
return StringToFloat( line ) / rowsPerBeat;
}
else
{
return StringToFloat( line );
}
}
void SMLoader::LoadFromTokens(
RString sStepsType,
RString sDescription,
RString sDifficulty,
RString sMeter,
RString sRadarValues,
RString sNoteData,
Steps &out
)
{
// we're loading from disk, so this is by definition already saved:
out.SetSavedToDisk( true );
Trim( sStepsType );
Trim( sDescription );
Trim( sDifficulty );
Trim( sNoteData );
// LOG->Trace( "Steps::LoadFromTokens(), %s", sStepsType.c_str() );
// backwards compatibility hacks:
// HACK: We eliminated "ez2-single-hard", but we should still handle it.
if( sStepsType == "ez2-single-hard" )
sStepsType = "ez2-single";
// HACK: "para-single" used to be called just "para"
if( sStepsType == "para" )
sStepsType = "para-single";
out.m_StepsType = GAMEMAN->StringToStepsType( sStepsType );
out.m_StepsTypeStr = sStepsType;
out.SetDescription( sDescription );
out.SetCredit( sDescription ); // this is often used for both.
out.SetChartName(sDescription); // yeah, one more for good measure.
out.SetDifficulty( OldStyleStringToDifficulty(sDifficulty) );
// Handle hacks that originated back when StepMania didn't have
// Difficulty_Challenge. (At least v1.64, possibly v3.0 final...)
if( out.GetDifficulty() == Difficulty_Hard )
{
// HACK: SMANIAC used to be Difficulty_Hard with a special description.
if( sDescription.CompareNoCase("smaniac") == 0 )
out.SetDifficulty( Difficulty_Challenge );
// HACK: CHALLENGE used to be Difficulty_Hard with a special description.
if( sDescription.CompareNoCase("challenge") == 0 )
out.SetDifficulty( Difficulty_Challenge );
}
if( sMeter.empty() )
{
// some simfiles (e.g. X-SPECIALs from Zenius-I-Vanisher) don't
// have a meter on certain steps. Make the meter 1 in these instances.
sMeter = "1";
}
out.SetMeter( StringToInt(sMeter) );
out.SetSMNoteData( sNoteData );
out.TidyUpData();
}
void SMLoader::ProcessBGChanges( Song &out, const RString &sValueName, const RString &sPath, const RString &sParam )
{
BackgroundLayer iLayer = BACKGROUND_LAYER_1;
if( sscanf(sValueName, "BGCHANGES%d", &*ConvertValue<int>(&iLayer)) == 1 )
enum_add(iLayer, -1); // #BGCHANGES2 = BACKGROUND_LAYER_2
bool bValid = iLayer>=0 && iLayer<NUM_BackgroundLayer;
if( !bValid )
{
LOG->UserLog( "Song file", sPath, "has a #BGCHANGES tag \"%s\" that is out of range.", sValueName.c_str() );
}
else
{
std::vector<std::vector<RString> > aBGChanges;
ParseBGChangesString(sParam, aBGChanges, out.GetSongDir());
for (const auto &b : aBGChanges)
{
BackgroundChange change;
if(LoadFromBGChangesVector( change, b))
out.AddBackgroundChange(iLayer, change);
}
}
}
void SMLoader::ProcessAttackString( std::vector<RString> & attacks, MsdFile::value_t params )
{
for( unsigned s=1; s < params.params.size(); ++s )
{
RString tmp = params[s];
Trim(tmp);
if (tmp.size() > 0)
attacks.push_back( tmp );
}
}
void SMLoader::ProcessAttacks( AttackArray &attacks, MsdFile::value_t params )
{
Attack attack;
float end = -9999;
for( unsigned j=1; j < params.params.size(); ++j )
{
std::vector<RString> sBits;
split( params[j], "=", sBits, false );
// Need an identifer and a value for this to work
if( sBits.size() < 2 )
continue;
Trim( sBits[0] );
if( !sBits[0].CompareNoCase("TIME") )
attack.fStartSecond = strtof( sBits[1], nullptr );
else if( !sBits[0].CompareNoCase("LEN") )
attack.fSecsRemaining = strtof( sBits[1], nullptr );
else if( !sBits[0].CompareNoCase("END") )
end = strtof( sBits[1], nullptr );
else if( !sBits[0].CompareNoCase("MODS") )
{
Trim(sBits[1]);
attack.sModifiers = sBits[1];
if( end != -9999 )
{
attack.fSecsRemaining = end - attack.fStartSecond;
end = -9999;
}
if( attack.fSecsRemaining < 0.0f )
attack.fSecsRemaining = 0.0f;
attacks.push_back( attack );
}
}
}
void SMLoader::ProcessInstrumentTracks( Song &out, const RString &sParam )
{
std::vector<RString> vs1;
split( sParam, ",", vs1 );
for (RString const &s : vs1)
{
std::vector<RString> vs2;
split( s, "=", vs2 );
if( vs2.size() >= 2 )
{
InstrumentTrack it = StringToInstrumentTrack( vs2[0] );
if( it != InstrumentTrack_Invalid )
out.m_sInstrumentTrackFile[it] = vs2[1];
}
}
}
void SMLoader::ParseBPMs( std::vector<std::pair<float, float>> &out, const RString line, const int rowsPerBeat )
{
std::vector<RString> arrayBPMChangeExpressions;
split( line, ",", arrayBPMChangeExpressions );
for( unsigned b=0; b<arrayBPMChangeExpressions.size(); b++ )
{
std::vector<RString> arrayBPMChangeValues;
Trim(arrayBPMChangeExpressions[b]);
if (arrayBPMChangeExpressions[b].empty()) {
continue;
}
split( arrayBPMChangeExpressions[b], "=", arrayBPMChangeValues );
if( arrayBPMChangeValues.size() != 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #BPMs value \"%s\" (must have exactly one '='), ignored.",
arrayBPMChangeExpressions[b].c_str() );
continue;
}
const float fBeat = RowToBeat( arrayBPMChangeValues[0], rowsPerBeat );
const float fNewBPM = StringToFloat( arrayBPMChangeValues[1] );
if( fNewBPM == 0 ) {
LOG->UserLog("Song file", this->GetSongTitle(),
"has a zero BPM; ignored.");
continue;
}
out.push_back( std::make_pair(fBeat, fNewBPM) );
}
}
void SMLoader::ParseStops( std::vector<std::pair<float, float>> &out, const RString line, const int rowsPerBeat )
{
std::vector<RString> arrayFreezeExpressions;
split( line, ",", arrayFreezeExpressions );
for( unsigned f=0; f<arrayFreezeExpressions.size(); f++ )
{
std::vector<RString> arrayFreezeValues;
Trim(arrayFreezeExpressions[f]);
if (arrayFreezeExpressions[f].empty()) {
continue;
}
split( arrayFreezeExpressions[f], "=", arrayFreezeValues );
if( arrayFreezeValues.size() != 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #STOPS value \"%s\" (must have exactly one '='), ignored.",
arrayFreezeExpressions[f].c_str() );
continue;
}
const float fFreezeBeat = RowToBeat( arrayFreezeValues[0], rowsPerBeat );
const float fFreezeSeconds = StringToFloat( arrayFreezeValues[1] );
if( fFreezeSeconds == 0 ) {
LOG->UserLog("Song file", this->GetSongTitle(),
"has a zero-length stop; ignored.");
continue;
}
out.push_back( std::make_pair(fFreezeBeat, fFreezeSeconds) );
}
}
// Utility function for sorting timing change data
namespace {
bool compare_first(std::pair<float, float> a, std::pair<float, float> b) {
return a.first < b.first;
}
}
// Precondition: no BPM change or stop has 0 for its value (change.second).
// (The ParseBPMs and ParseStops functions make sure of this.)
// Postcondition: all BPM changes, stops, and warps are added to the out
// parameter, already sorted by beat.
void SMLoader::ProcessBPMsAndStops(TimingData &out,
std::vector<std::pair<float, float>> &vBPMs,
std::vector<std::pair<float, float>> &vStops)
{
std::vector<std::pair<float, float>>::const_iterator ibpm, ibpmend;
std::vector<std::pair<float, float>>::const_iterator istop, istopend;
// Current BPM (positive or negative)
float bpm = 0;
// Beat at which the previous timing change occurred
float prevbeat = 0;
// Start/end of current warp (-1 if not currently warping)
float warpstart = -1;
float warpend = -1;
// BPM prior to current warp, to detect if it has changed
float prewarpbpm = 0;
// How far off we have gotten due to negative changes
float timeofs = 0;
// Sort BPM changes and stops by beat. Order matters.
// TODO: Make sorted lists a precondition rather than sorting them here.
// The caller may know that the lists are sorted already (e.g. if
// loaded from cache).
stable_sort(vBPMs.begin(), vBPMs.end(), compare_first);
stable_sort(vStops.begin(), vStops.end(), compare_first);
// Convert stops that come before beat 0. All these really do is affect
// where the arrows are with respect to the music, i.e. the song offset.
// Positive stops subtract from the offset, and negative add to it.
istop = vStops.begin();
istopend = vStops.end();
for (/* istop */; istop != istopend && istop->first < 0; istop++)
{
out.m_fBeat0OffsetInSeconds -= istop->second;
}
// Get rid of BPM changes that come before beat 0. Positive BPMs before
// the chart don't really do anything, so we just ignore them. Negative
// BPMs cause unpredictable behavior, so ignore them as well and issue a
// warning.
ibpm = vBPMs.begin();
ibpmend = vBPMs.end();
for (/* ibpm */; ibpm != ibpmend && ibpm->first <= 0; ibpm++)
{
bpm = ibpm->second;
if (bpm < 0 && ibpm->first < 0)
{
LOG->UserLog("Song file", this->GetSongTitle(),
"has a negative BPM prior to beat 0. "
"These cause problems; ignoring.");
}
}
// It's beat 0. Do you know where your BPMs are?
if (bpm == 0)
{
// Nope. Can we just use the next BPM value?
if (ibpm == ibpmend)
{
// Nope.
bpm = 60;
LOG->UserLog("Song file", this->GetSongTitle(),
"has no valid BPMs. Defaulting to 60.");
}
else
{
// Yep. Get the next BPM.
ibpm++;
bpm = ibpm->second;
LOG->UserLog("Song file", this->GetSongTitle(),
"does not establish a BPM before beat 0. "
"Using the value from the next BPM change.");
}
}
// We always want to have an initial BPM. If we start out warping, this
// BPM will be added later. If we start with a regular BPM, add it now.
if (bpm > 0 && bpm <= FAST_BPM_WARP)
{
out.AddSegment(BPMSegment(BeatToNoteRow(0), bpm));
}
// Iterate over all BPMs and stops in tandem
while (ibpm != ibpmend || istop != istopend)
{
// Get the next change in order, with BPMs taking precedence
// when they fall on the same beat.
bool changeIsBpm = istop == istopend || (ibpm != ibpmend && ibpm->first <= istop->first);
const std::pair<float, float> & change = changeIsBpm ? *ibpm : *istop;
// Calculate the effects of time at the current BPM. "Infinite"
// BPMs (SM4 warps) imply that zero time passes, so skip this
// step in that case.
if (bpm <= FAST_BPM_WARP)
{
timeofs += (change.first - prevbeat) * 60/bpm;
// If we were in a warp and it finished during this
// timeframe, create the warp segment.
if (warpstart >= 0 && bpm > 0 && timeofs > 0)
{
// timeofs represents how far past the end we are
warpend = change.first - (timeofs * bpm/60);
out.AddSegment(WarpSegment(BeatToNoteRow(warpstart),
warpend - warpstart));
// If the BPM changed during the warp, put that
// change at the beginning of the warp.
if (bpm != prewarpbpm)
{
out.AddSegment(BPMSegment(BeatToNoteRow(warpstart), bpm));
}
// No longer warping
warpstart = -1;
}
}
// Save the current beat for the next round of calculations
prevbeat = change.first;
// Now handle the timing changes themselves
if (changeIsBpm)
{
// Does this BPM change start a new warp?
if (warpstart < 0 && (change.second < 0 || change.second > FAST_BPM_WARP))
{
// Yes.
warpstart = change.first;
prewarpbpm = bpm;
timeofs = 0;
}
else if (warpstart < 0)
{
// No, and we aren't currently warping either.
// Just a normal BPM change.
out.AddSegment(BPMSegment(BeatToNoteRow(change.first), change.second));
}
bpm = change.second;
ibpm++;
}
else
{
// Does this stop start a new warp?
if (warpstart < 0 && change.second < 0)
{
// Yes.
warpstart = change.first;
prewarpbpm = bpm;
timeofs = change.second;
}
else if (warpstart < 0)
{
// No, and we aren't currently warping either.
// Just a normal stop.
out.AddSegment(StopSegment(BeatToNoteRow(change.first), change.second));
}
else
{
// We're warping already. Stops affect the time
// offset directly.
timeofs += change.second;
// If a stop overcompensates for the time
// deficit, the warp ends and we stop for the
// amount it goes over.
if (change.second > 0 && timeofs > 0)
{
warpend = change.first;
out.AddSegment(WarpSegment(BeatToNoteRow(warpstart),
warpend - warpstart));
out.AddSegment(StopSegment(BeatToNoteRow(change.first), timeofs));
// Now, are we still warping because of
// the BPM value?
if (bpm < 0 || bpm > FAST_BPM_WARP)
{
// Yep.
warpstart = change.first;
// prewarpbpm remains the same
timeofs = 0;
}
else
{
// Nope, warp is done. Add any
// BPM change that happened in
// the meantime.
if (bpm != prewarpbpm)
{
out.AddSegment(BPMSegment(BeatToNoteRow(warpstart), bpm));
}
warpstart = -1;
}
}
}
istop++;
}
}
// If we are still warping, we now have to consider the time remaining
// after the last timing change.
if (warpstart >= 0)
{
// Will this warp ever end?
if (bpm < 0 || bpm > FAST_BPM_WARP)
{
// No, so it ends the entire chart immediately.
// XXX There must be a less hacky and more accurate way
// to do this.
warpend = 99999999.0f;
}
else
{
// Yes. Figure out when it will end.
warpend = prevbeat - (timeofs * bpm/60);
}
out.AddSegment(WarpSegment(BeatToNoteRow(warpstart),
warpend - warpstart));
// As usual, record any BPM change that happened during the warp
if (bpm != prewarpbpm)
{
out.AddSegment(BPMSegment(BeatToNoteRow(warpstart), bpm));
}
}
}
void SMLoader::ProcessDelays( TimingData &out, const RString line, const int rowsPerBeat )
{
std::vector<RString> arrayDelayExpressions;
split( line, ",", arrayDelayExpressions );
for( unsigned f=0; f<arrayDelayExpressions.size(); f++ )
{
std::vector<RString> arrayDelayValues;
Trim(arrayDelayExpressions[f]);
if (arrayDelayExpressions[f].empty()) {
continue;
}
split( arrayDelayExpressions[f], "=", arrayDelayValues );
if( arrayDelayValues.size() != 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #DELAYS value \"%s\" (must have exactly one '='), ignored.",
arrayDelayExpressions[f].c_str() );
continue;
}
const float fFreezeBeat = RowToBeat( arrayDelayValues[0], rowsPerBeat );
const float fFreezeSeconds = StringToFloat( arrayDelayValues[1] );
// LOG->Trace( "Adding a delay segment: beat: %f, seconds = %f", new_seg.m_fStartBeat, new_seg.m_fStopSeconds );
if(fFreezeSeconds > 0.0f)
out.AddSegment( DelaySegment(BeatToNoteRow(fFreezeBeat), fFreezeSeconds) );
else
LOG->UserLog(
"Song file",
this->GetSongTitle(),
"has an invalid delay at beat %f, length %f.",
fFreezeBeat, fFreezeSeconds );
}
}
void SMLoader::ProcessTimeSignatures( TimingData &out, const RString line, const int rowsPerBeat )
{
std::vector<RString> vs1;
std::vector<TimeSignatureSegment> segments;
split( line, ",", vs1 );
for (RString const &s1 : vs1)
{
std::vector<RString> vs2;
split( s1, "=", vs2 );
if( vs2.size() < 3 )
{
LOG->UserLog("Song file",
GetSongTitle(),
"has an invalid time signature change with %i values.",
static_cast<int>(vs2.size()) );
continue;
}
const float fBeat = RowToBeat( vs2[0], rowsPerBeat );
const int iNumerator = StringToInt( vs2[1] );
const int iDenominator = StringToInt( vs2[2] );
if( fBeat < 0 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid time signature change with beat %f.",
fBeat );
continue;
}
if( iNumerator < 1 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid time signature change with beat %f, iNumerator %i.",
fBeat, iNumerator );
continue;
}
if( iDenominator < 1 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid time signature change with beat %f, iDenominator %i.",
fBeat, iDenominator );
continue;
}
segments.push_back( TimeSignatureSegment(BeatToNoteRow(fBeat), iNumerator, iDenominator) );
}
// If there are any time signatures defined, but there isn't one
// for the very first beat of the song, then add one.
// Without it, calls to functions like TimingData::NoteRowToMeasureAndBeat
// can fail for charts that are otherwise valid.
if ( segments.size() > 0 && segments[0].GetRow() > 0 )
{
out.AddSegment( TimeSignatureSegment(0, 4, 4) );
}
for( TimeSignatureSegment segment: segments )
{
out.AddSegment( segment );
}
}
void SMLoader::ProcessTickcounts( TimingData &out, const RString line, const int rowsPerBeat )
{
std::vector<RString> arrayTickcountExpressions;
split( line, ",", arrayTickcountExpressions );
for( unsigned f=0; f<arrayTickcountExpressions.size(); f++ )
{
std::vector<RString> arrayTickcountValues;
Trim(arrayTickcountExpressions[f]);
if (arrayTickcountExpressions[f].empty()) {
continue;
}
split( arrayTickcountExpressions[f], "=", arrayTickcountValues );
if( arrayTickcountValues.size() != 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #TICKCOUNTS value \"%s\" (must have exactly one '='), ignored.",
arrayTickcountExpressions[f].c_str() );
continue;
}
const float fTickcountBeat = RowToBeat( arrayTickcountValues[0], rowsPerBeat );
int iTicks = std::clamp(atoi( arrayTickcountValues[1] ), 0, ROWS_PER_BEAT);
out.AddSegment( TickcountSegment(BeatToNoteRow(fTickcountBeat), iTicks) );
}
}
void SMLoader::ProcessSpeeds( TimingData &out, const RString line, const int rowsPerBeat )
{
std::vector<RString> vs1;
split( line, ",", vs1 );
for (RString const &s1 : vs1)
{
std::vector<RString> vs2;
split( s1, "=", vs2 );
if( vs2[0] == 0 && vs2.size() == 2 ) // First one always seems to have 2.
{
vs2.push_back("0");
}
if( vs2.size() == 3 ) // use beats by default.
{
vs2.push_back("0");
}
if( vs2.size() < 4 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an speed change with %i values.",
static_cast<int>(vs2.size()) );
continue;
}
const float fBeat = RowToBeat( vs2[0], rowsPerBeat );
const float fRatio = StringToFloat( vs2[1] );
const float fDelay = StringToFloat( vs2[2] );
// XXX: ugly...
int iUnit = StringToInt(vs2[3]);
SpeedSegment::BaseUnit unit = (iUnit == 0) ?
SpeedSegment::UNIT_BEATS : SpeedSegment::UNIT_SECONDS;
if( fBeat < 0 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an speed change with beat %f.",
fBeat );
continue;
}
if( fDelay < 0 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an speed change with beat %f, length %f.",
fBeat, fDelay );
continue;
}
out.AddSegment( SpeedSegment(BeatToNoteRow(fBeat), fRatio, fDelay, unit) );
}
}
void SMLoader::ProcessFakes( TimingData &out, const RString line, const int rowsPerBeat )
{
std::vector<RString> arrayFakeExpressions;
split( line, ",", arrayFakeExpressions );
for( unsigned b=0; b<arrayFakeExpressions.size(); b++ )
{
std::vector<RString> arrayFakeValues;
Trim(arrayFakeExpressions[b]);
if (arrayFakeExpressions[b].empty()) {
continue;
}
split( arrayFakeExpressions[b], "=", arrayFakeValues );
if( arrayFakeValues.size() != 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #FAKES value \"%s\" (must have exactly one '='), ignored.",
arrayFakeExpressions[b].c_str() );
continue;
}
const float fBeat = RowToBeat( arrayFakeValues[0], rowsPerBeat );
const float fSkippedBeats = StringToFloat( arrayFakeValues[1] );
if(fSkippedBeats > 0)
out.AddSegment( FakeSegment(BeatToNoteRow(fBeat), fSkippedBeats) );
else
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid Fake at beat %f, beats to skip %f.",
fBeat, fSkippedBeats );
}
}
}
bool SMLoader::LoadFromBGChangesVector( BackgroundChange &change, std::vector<RString> aBGChangeValues )
{
aBGChangeValues.resize( std::min((int) aBGChangeValues.size(), 11) );
switch( aBGChangeValues.size() )
{
case 11:
change.m_def.m_sColor2 = aBGChangeValues[10];
change.m_def.m_sColor2.Replace( '^', ',' );
change.m_def.m_sColor2 = RageColor::NormalizeColorString( change.m_def.m_sColor2 );
[[fallthrough]];
case 10:
change.m_def.m_sColor1 = aBGChangeValues[9];
change.m_def.m_sColor1.Replace( '^', ',' );
change.m_def.m_sColor1 = RageColor::NormalizeColorString( change.m_def.m_sColor1 );
[[fallthrough]];
case 9:
change.m_sTransition = aBGChangeValues[8];
[[fallthrough]];
case 8:
{
RString tmp = aBGChangeValues[7];
tmp.MakeLower();
if( ( tmp.find(".ini") != std::string::npos || tmp.find(".xml") != std::string::npos )
&& !PREFSMAN->m_bQuirksMode )
{
return false;
}
change.m_def.m_sFile2 = aBGChangeValues[7];
[[fallthrough]];
}
case 7:
change.m_def.m_sEffect = aBGChangeValues[6];
[[fallthrough]];
case 6:
// param 7 overrides this.
// Backward compatibility:
if( change.m_def.m_sEffect.empty() )
{
bool bLoop = StringToInt( aBGChangeValues[5] ) != 0;
if( !bLoop )
change.m_def.m_sEffect = SBE_StretchNoLoop;
}
[[fallthrough]];
case 5:
// param 7 overrides this.
// Backward compatibility:
if( change.m_def.m_sEffect.empty() )
{
bool bRewindMovie = StringToInt( aBGChangeValues[4] ) != 0;
if( bRewindMovie )
change.m_def.m_sEffect = SBE_StretchRewind;
}
[[fallthrough]];
case 4:
// param 9 overrides this.
// Backward compatibility:
if( change.m_sTransition.empty() )
change.m_sTransition = (StringToInt( aBGChangeValues[3] ) != 0) ? "CrossFade" : "";
[[fallthrough]];
case 3:
change.m_fRate = StringToFloat( aBGChangeValues[2] );
[[fallthrough]];
case 2:
{
RString tmp = aBGChangeValues[1];
tmp.MakeLower();
if( ( tmp.find(".ini") != std::string::npos || tmp.find(".xml") != std::string::npos )
&& !PREFSMAN->m_bQuirksMode )
{
return false;
}
change.m_def.m_sFile1 = aBGChangeValues[1];
[[fallthrough]];
}
case 1:
change.m_fStartBeat = StringToFloat( aBGChangeValues[0] );
}
return aBGChangeValues.size() >= 2;
}
bool SMLoader::LoadNoteDataFromSimfile( const RString &path, Steps &out )
{
MsdFile msd;
if( !msd.ReadFile( path, true ) ) // unescape
{
LOG->UserLog("Song file",
path,
"couldn't be opened: %s",
msd.GetError().c_str() );
return false;
}
for (unsigned i = 0; i<msd.GetNumValues(); i++)
{
int iNumParams = msd.GetNumParams(i);
const MsdFile::value_t &sParams = msd.GetValue(i);
RString sValueName = sParams[0];
sValueName.MakeUpper();
// The only tag we care about is the #NOTES tag.
if( sValueName=="NOTES" || sValueName=="NOTES2" )
{
if( iNumParams < 7 )
{
LOG->UserLog("Song file",
path,
"has %d fields in a #NOTES tag, but should have at least 7.",
iNumParams );
continue;
}
RString stepsType = sParams[1];
RString description = sParams[2];
RString difficulty = sParams[3];
// HACK?: If this is a .edit fudge the edit difficulty
if(path.Right(5).CompareNoCase(".edit") == 0) difficulty = "edit";
Trim(stepsType);
Trim(description);
Trim(difficulty);
// Remember our old versions.
if (difficulty.CompareNoCase("smaniac") == 0)
{
difficulty = "Challenge";
}
/* Handle hacks that originated back when StepMania didn't have
* Difficulty_Challenge. TODO: Remove the need for said hacks. */
if( difficulty.CompareNoCase("hard") == 0 )
{
/* HACK: Both SMANIAC and CHALLENGE used to be Difficulty_Hard.
* They were differentiated via aspecial description.
* Account for the rogue charts that do this. */
// HACK: SMANIAC used to be Difficulty_Hard with a special description.
if (description.CompareNoCase("smaniac") == 0 ||
description.CompareNoCase("challenge") == 0)
difficulty = "Challenge";
}
if(!(out.m_StepsType == GAMEMAN->StringToStepsType( stepsType ) &&
out.GetDescription() == description &&
(out.GetDifficulty() == StringToDifficulty(difficulty) ||
out.GetDifficulty() == OldStyleStringToDifficulty(difficulty))))
{
continue;
}
RString noteData = sParams[6];
Trim( noteData );
out.SetSMNoteData( noteData );
out.TidyUpData();
return true;
}
}
return false;
}
bool SMLoader::LoadFromSimfile( const RString &sPath, Song &out, bool bFromCache )
{
//LOG->Trace( "Song::LoadFromSMFile(%s)", sPath.c_str() );
MsdFile msd;
if( !msd.ReadFile( sPath, true ) ) // unescape
{
LOG->UserLog( "Song file", sPath, "couldn't be opened: %s", msd.GetError().c_str() );
return false;
}
out.m_SongTiming.m_sFile = sPath;
out.m_sSongFileName = sPath;
SMSongTagInfo reused_song_info(&*this, &out, sPath);
for( unsigned i=0; i<msd.GetNumValues(); i++ )
{
int iNumParams = msd.GetNumParams(i);
const MsdFile::value_t &sParams = msd.GetValue(i);
RString sValueName = sParams[0];
sValueName.MakeUpper();
reused_song_info.params= &sParams;
song_handler_map_t::iterator handler=
sm_parser_helper.song_tag_handlers.find(sValueName);
if(handler != sm_parser_helper.song_tag_handlers.end())
{
/* Don't use GetMainAndSubTitlesFromFullTitle; that's only for heuristically
* splitting other formats that *don't* natively support #SUBTITLE. */
handler->second(reused_song_info);
}
else if(sValueName.Left(strlen("BGCHANGES")) == "BGCHANGES")
{
SMSetBGChanges(reused_song_info);
}
else if(sValueName == "NOTES" || sValueName == "NOTES2")
{
if(iNumParams < 7)
{
LOG->UserLog( "Song file", sPath, "has %d fields in a #NOTES tag, but should have at least 7.", iNumParams );
continue;
}
Steps* pNewNotes = out.CreateSteps();
LoadFromTokens(
sParams[1],
sParams[2],
sParams[3],
sParams[4],
sParams[5],
sParams[6],
*pNewNotes);
pNewNotes->SetFilename(sPath);
out.AddSteps( pNewNotes );
}
else
{
LOG->UserLog("Song file", sPath, "has an unexpected value named \"%s\".", sValueName.c_str());
}
}
// Turn negative time changes into warps
ProcessBPMsAndStops(out.m_SongTiming, reused_song_info.BPMChanges, reused_song_info.Stops);
TidyUpData( out, bFromCache );
return true;
}
bool SMLoader::LoadEditFromFile( RString sEditFilePath, ProfileSlot slot, bool bAddStepsToSong, Song *givenSong /* =nullptr */ )
{
LOG->Trace( "SMLoader::LoadEditFromFile(%s)", sEditFilePath.c_str() );
int iBytes = FILEMAN->GetFileSizeInBytes( sEditFilePath );
if( iBytes > MAX_EDIT_STEPS_SIZE_BYTES )
{
LOG->UserLog( "Edit file", sEditFilePath, "is unreasonably large. It won't be loaded." );
return false;
}
MsdFile msd;
if( !msd.ReadFile( sEditFilePath, true ) ) // unescape
{
LOG->UserLog( "Edit file", sEditFilePath, "couldn't be opened: %s", msd.GetError().c_str() );
return false;
}
return LoadEditFromMsd( msd, sEditFilePath, slot, bAddStepsToSong, givenSong );
}
bool SMLoader::LoadEditFromBuffer( const RString &sBuffer, const RString &sEditFilePath, ProfileSlot slot, Song *givenSong )
{
MsdFile msd;
msd.ReadFromString( sBuffer, true ); // unescape
return LoadEditFromMsd( msd, sEditFilePath, slot, true, givenSong );
}
bool SMLoader::LoadEditFromMsd( const MsdFile &msd, const RString &sEditFilePath, ProfileSlot slot, bool bAddStepsToSong, Song *givenSong /* = nullptr */ )
{
Song* pSong = givenSong;
for( unsigned i=0; i<msd.GetNumValues(); i++ )
{
int iNumParams = msd.GetNumParams(i);
const MsdFile::value_t &sParams = msd.GetValue(i);
RString sValueName = sParams[0];
sValueName.MakeUpper();
// handle the data
if( sValueName=="SONG" )
{
if( pSong )
{
/* LOG->UserLog( "Edit file", sEditFilePath, "has more than one #SONG tag." );
return false; */
// May have been given the song from outside the file. Not worth checking for.
continue;
}
RString sSongFullTitle = sParams[1];
this->SetSongTitle(sParams[1]);
sSongFullTitle.Replace( '\\', '/' );
pSong = SONGMAN->FindSong( sSongFullTitle );
if( pSong == nullptr )
{
LOG->UserLog( "Edit file", sEditFilePath, "requires a song \"%s\" that isn't present.", sSongFullTitle.c_str() );
return false;
}
if( pSong->GetNumStepsLoadedFromProfile(slot) >= MAX_EDITS_PER_SONG_PER_PROFILE )
{
LOG->UserLog( "Song file", sSongFullTitle, "already has the maximum number of edits allowed for ProfileSlotP%d.", slot+1 );
return false;
}
}
else if( sValueName=="NOTES" )
{
if( pSong == nullptr )
{
LOG->UserLog( "Edit file", sEditFilePath, "doesn't have a #SONG tag preceeding the first #NOTES tag, and is not in a valid song-specific folder." );
return false;
}
if( iNumParams < 7 )
{
LOG->UserLog( "Edit file", sEditFilePath, "has %d fields in a #NOTES tag, but should have at least 7.", iNumParams );
continue;
}
if( !bAddStepsToSong )
return true;
Steps* pNewNotes = pSong->CreateSteps();
LoadFromTokens(
sParams[1], sParams[2], sParams[3], sParams[4], sParams[5], sParams[6],
*pNewNotes);
pNewNotes->SetLoadedFromProfile( slot );
pNewNotes->SetDifficulty( Difficulty_Edit );
pNewNotes->SetFilename( sEditFilePath );
if( pSong->IsEditAlreadyLoaded(pNewNotes) )
{
LOG->UserLog( "Edit file", sEditFilePath, "is a duplicate of another edit that was already loaded." );
RageUtil::SafeDelete( pNewNotes );
return false;
}
pSong->AddSteps( pNewNotes );
return true; // Only allow one Steps per edit file!
}
else
{
LOG->UserLog( "Edit file", sEditFilePath, "has an unexpected value \"%s\".", sValueName.c_str() );
}
}
// Edit had no valid #NOTES sections
return false;
}
void SMLoader::GetApplicableFiles( const RString &sPath, std::vector<RString> &out, bool load_autosave )
{
if(load_autosave)
{
GetDirListing( sPath + RString("*.ats" ), out );
}
else
{
GetDirListing( sPath + RString("*" + this->GetFileExtension() ), out );
}
}
void SMLoader::TidyUpData( Song &song, bool bFromCache )
{
/*
* Hack: if the song has any changes at all (so it won't use a random BGA)
* and doesn't end with "-nosongbg-", add a song background BGC. Remove
* "-nosongbg-" if it exists.
*
* This way, songs that were created earlier, when we added the song BG
* at the end by default, will still behave as expected; all new songs will
* have to add an explicit song BG tag if they want it. This is really a
* formatting hack only; nothing outside of SMLoader ever sees "-nosongbg-".
*/
std::vector<BackgroundChange> &bg = song.GetBackgroundChanges(BACKGROUND_LAYER_1);
if( !bg.empty() )
{
/* BGChanges have been sorted. On the odd chance that a BGChange exists
* with a very high beat, search the whole list. */
bool bHasNoSongBgTag = false;
for( unsigned i = 0; !bHasNoSongBgTag && i < bg.size(); ++i )
{
if( !bg[i].m_def.m_sFile1.CompareNoCase(NO_SONG_BG_FILE) )
{
bg.erase( bg.begin()+i );
bHasNoSongBgTag = true;
}
}
// If there's no -nosongbg- tag, add the song BG.
if( !bHasNoSongBgTag ) do
{
/* If we're loading cache, -nosongbg- should always be in there. We
* must not call IsAFile(song.GetBackgroundPath()) when loading cache. */
if( bFromCache )
break;
float lastBeat = song.GetLastBeat();
/* If BGChanges already exist after the last beat, don't add the
* background in the middle. */
if( !bg.empty() && bg.back().m_fStartBeat-0.0001f >= lastBeat )
break;
// If the last BGA is already the song BGA, don't add a duplicate.
if( !bg.empty() && !bg.back().m_def.m_sFile1.CompareNoCase(song.m_sBackgroundFile) )
break;
if( !IsAFile( song.GetBackgroundPath() ) )
break;
bg.push_back( BackgroundChange(lastBeat,song.m_sBackgroundFile) );
} while(0);
}
if (bFromCache)
{
song.TidyUpData( bFromCache, true );
}
}
std::vector<RString> SMLoader::GetSongDirFiles(const RString &sSongDir)
{
if (!m_SongDirFiles.empty())
return m_SongDirFiles;
ASSERT(!sSongDir.empty());
std::vector<RString> vsDirs;
vsDirs.push_back(sSongDir);
while (!vsDirs.empty())
{
RString d = vsDirs.back();
vsDirs.pop_back();
std::vector<RString> vsFiles;
GetDirListing(d+"*", vsFiles, false, true);
for (const RString& f : vsFiles)
{
if (IsADirectory(f))
vsDirs.push_back(f+"/");
m_SongDirFiles.push_back(f.substr(sSongDir.size()));
}
}
return m_SongDirFiles;
}
void SMLoader::ParseBGChangesString(const RString& _sChanges, std::vector<std::vector<RString> > &vvsAddTo, const RString& sSongDir)
{
// short circuit: empty string
if (_sChanges.empty())
return;
// strip newlines (basically operates as both split and join at the same time)
RString sChanges;
size_t start = 0;
do {
size_t pos = _sChanges.find_first_of("\r\n", start);
if (RString::npos == pos)
pos = _sChanges.size();
if (pos - start > 0) {
if ((start == 0) && (pos == _sChanges.size()))
sChanges = _sChanges;
else
sChanges += _sChanges.substr(start, pos - start);
}
start = pos + 1;
} while (start <= _sChanges.size());
// after removing newlines, do we have anything?
if (sChanges.empty())
return;
// get the list of possible files/directories for the file parameters
std::vector<RString> vsFiles = GetSongDirFiles(sSongDir);
start = 0;
int pnum = 0;
do {
switch (pnum) {
// parameters 1 and 7 can be files or folder names
case 1:
case 7:
{
// see if one of the files in the song directory are listed.
RString found;
for (const auto& f : vsFiles)
{
// there aren't enough characters for this to match
if ((sChanges.size() - start) < f.size())
continue;
// the string itself matches
if (f.EqualsNoCase(sChanges.substr(start, f.size()).c_str()))
{
size_t nextpos = start + f.size();
// is this name followed by end-of-string, equals, or comma?
if ((nextpos == sChanges.size()) || (sChanges[nextpos] == '=') || (sChanges[nextpos] == ','))
{
found = f;
break;
}
}
}
// yes. use that as this parameter, even if it has commas or equals signs in it
if (!found.empty())
{
vvsAddTo.back().push_back(found);
start += found.size();
// the next character should be a comma or equals. skip it
if (start < sChanges.size())
{
if (sChanges[start] == '=')
++pnum;
else
{
ASSERT(sChanges[start] == ',');
pnum = 0;
}
start += 1;
}
// move to the next parameter
break;
}
// deliberate fall-through if not found. treat it as a normal string like before
[[fallthrough]];
}
// everything else should be safe
default:
if(0 == pnum) vvsAddTo.push_back(std::vector<RString>()); // first value of this set. create our vector
{
size_t eqpos = sChanges.find('=', start);
size_t compos = sChanges.find(',', start);
if ((eqpos == RString::npos) && (compos == RString::npos))
{
// neither = nor , were found in the remainder of the string. consume the rest of the string.
vvsAddTo.back().push_back(sChanges.substr(start));
start = sChanges.size() + 1;
}
else if ((eqpos != RString::npos) && (compos != RString::npos))
{
// both were found. which came first?
if (eqpos < compos)
{
// equals. consume value and move to next value
vvsAddTo.back().push_back(sChanges.substr(start, eqpos - start));
start = eqpos + 1;
++pnum;
}
else
{
// comma. consume value and move to next set
vvsAddTo.back().push_back(sChanges.substr(start, compos - start));
start = compos + 1;
pnum = 0;
}
}
else if (eqpos != RString::npos)
{
// found only equals. consume and move on.
vvsAddTo.back().push_back(sChanges.substr(start, eqpos - start));
start = eqpos + 1;
++pnum;
}
else
{
// only foudn comma. consume and move on.
vvsAddTo.back().push_back(sChanges.substr(start, compos - start));
start = compos + 1;
pnum = 0;
}
break;
}
}
} while (start <= sChanges.size());
}
/*
* (c) 2001-2004 Chris Danford, Glenn Maynard
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons to
* whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/