void SSCLoader::ProcessStops( TimingData &out, const RString sParam )
{
vector<RString> arrayStopExpressions;
split( sParam, ",", arrayStopExpressions );
for( unsigned b=0; b<arrayStopExpressions.size(); b++ )
{
vector<RString> arrayStopValues;
split( arrayStopExpressions[b], "=", arrayStopValues );
if( arrayStopValues.size() != 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #STOPS value \"%s\" (must have exactly one '='), ignored.",
arrayStopExpressions[b].c_str() );
continue;
}
const float fBeat = StringToFloat( arrayStopValues[0] );
const float fNewStop = StringToFloat( arrayStopValues[1] );
if( fBeat >= 0 && fNewStop > 0 )
out.AddSegment( StopSegment(BeatToNoteRow(fBeat), fNewStop) );
else
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid Stop at beat %f, length %f.",
fBeat, fNewStop );
}
}
}
void SSCLoader::ProcessScrolls( TimingData &out, const RString sParam )
{
vector<RString> vs1;
split( sParam, ",", vs1 );
FOREACH_CONST( RString, vs1, s1 )
{
vector<RString> vs2;
split( *s1, "=", vs2 );
if( vs2.size() < 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an scroll change with %i values.",
static_cast<int>(vs2.size()) );
continue;
}
const float fBeat = StringToFloat( vs2[0] );
const float fRatio = StringToFloat( vs2[1] );
if( fBeat < 0 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an scroll change with beat %f.",
fBeat );
continue;
}
out.AddSegment( ScrollSegment(BeatToNoteRow(fBeat), fRatio) );
}
void SSCLoader::ProcessLabels( TimingData &out, const RString sParam )
{
vector<RString> arrayLabelExpressions;
split( sParam, ",", arrayLabelExpressions );
for( unsigned b=0; b<arrayLabelExpressions.size(); b++ )
{
vector<RString> arrayLabelValues;
split( arrayLabelExpressions[b], "=", arrayLabelValues );
if( arrayLabelValues.size() != 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #LABELS value \"%s\" (must have exactly one '='), ignored.",
arrayLabelExpressions[b].c_str() );
continue;
}
const float fBeat = StringToFloat( arrayLabelValues[0] );
RString sLabel = arrayLabelValues[1];
TrimRight(sLabel);
if( fBeat >= 0.0f )
out.AddSegment( LabelSegment(BeatToNoteRow(fBeat), sLabel) );
else
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid Label at beat %f called %s.",
fBeat, sLabel.c_str() );
}
}
}
static void HandleBunki( TimingData &timing, const float fEarlyBPM,
const float fCurBPM, const float fGap,
const float fPos )
{
const float BeatsPerSecond = fEarlyBPM / 60.0f;
const float beat = (fPos + fGap) * BeatsPerSecond;
LOG->Trace( "BPM %f, BPS %f, BPMPos %f, beat %f",
fEarlyBPM, BeatsPerSecond, fPos, beat );
timing.AddSegment( BPMSegment(BeatToNoteRow(beat), fCurBPM) );
}
static void ProcessTickcounts( const std::string & value, int & ticks, TimingData & timing )
{
/* TICKCOUNT will be used below if there are DM compliant BPM changes
* and stops. It will be called again in LoadFromKSFFile for the
* actual steps. */
ticks = StringToInt( value );
ticks = Rage::clamp( ticks, 0, ROWS_PER_BEAT );
if( ticks == 0 )
ticks = TickcountSegment::DEFAULT_TICK_COUNT;
timing.AddSegment( TickcountSegment(0, ticks) );
}
void SSCLoader::ProcessWarps( TimingData &out, const RString sParam, const float fVersion )
{
vector<RString> arrayWarpExpressions;
split( sParam, ",", arrayWarpExpressions );
for( unsigned b=0; b<arrayWarpExpressions.size(); b++ )
{
vector<RString> arrayWarpValues;
split( arrayWarpExpressions[b], "=", arrayWarpValues );
if( arrayWarpValues.size() != 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #WARPS value \"%s\" (must have exactly one '='), ignored.",
arrayWarpExpressions[b].c_str() );
continue;
}
const float fBeat = StringToFloat( arrayWarpValues[0] );
const float fNewBeat = StringToFloat( arrayWarpValues[1] );
// Early versions were absolute in beats. They should be relative.
if( ( fVersion < VERSION_SPLIT_TIMING && fNewBeat > fBeat ) )
{
out.AddSegment( WarpSegment(BeatToNoteRow(fBeat), fNewBeat - fBeat) );
}
else if( fNewBeat > 0 )
out.AddSegment( WarpSegment(BeatToNoteRow(fBeat), fNewBeat) );
else
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid Warp at beat %f, BPM %f.",
fBeat, fNewBeat );
}
}
}
void SSCLoader::ProcessCombos( TimingData &out, const RString line, const int rowsPerBeat )
{
vector<RString> arrayComboExpressions;
split( line, ",", arrayComboExpressions );
for( unsigned f=0; f<arrayComboExpressions.size(); f++ )
{
vector<RString> arrayComboValues;
split( arrayComboExpressions[f], "=", arrayComboValues );
unsigned size = arrayComboValues.size();
if( size < 2 )
{
LOG->UserLog("Song file",
this->GetSongTitle(),
"has an invalid #COMBOS value \"%s\" (must have at least one '='), ignored.",
arrayComboExpressions[f].c_str() );
continue;
}
const float fComboBeat = StringToFloat( arrayComboValues[0] );
const int iCombos = StringToInt( arrayComboValues[1] );
const int iMisses = (size == 2 ? iCombos : StringToInt(arrayComboValues[2]));
out.AddSegment( ComboSegment( BeatToNoteRow(fComboBeat), iCombos, iMisses ) );
}
}
static bool LoadFromKSFFile( const std::string &sPath, Steps &out, Song &song, bool bKIUCompliant )
{
using std::max;
LOG->Trace( "Steps::LoadFromKSFFile( '%s' )", sPath.c_str() );
MsdFile msd;
if( !msd.ReadFile( sPath, false ) ) // don't unescape
{
LOG->UserLog( "Song file", sPath, "couldn't be opened: %s", msd.GetError().c_str() );
return false;
}
// this is the value we read for TICKCOUNT
int iTickCount = -1;
// used to adapt weird tickcounts
//float fScrollRatio = 1.0f; -- uncomment when ready to use.
vector<std::string> vNoteRows;
// According to Aldo_MX, there is a default BPM and it's 60. -aj
bool bDoublesChart = false;
TimingData stepsTiming;
float SMGap1 = 0, SMGap2 = 0, BPM1 = -1, BPMPos2 = -1, BPM2 = -1, BPMPos3 = -1, BPM3 = -1;
for( unsigned i=0; i<msd.GetNumValues(); i++ )
{
const MsdFile::value_t &sParams = msd.GetValue( i );
std::string sValueName = Rage::make_upper(sParams[0]);
/* handle the data...well, not this data: not related to steps.
* Skips INTRO, MUSICINTRO, TITLEFILE, DISCFILE, SONGFILE. */
if (sValueName=="TITLE" || Rage::ends_with(sValueName, "INTRO")
|| Rage::ends_with(sValueName, "FILE") )
{
}
else if( sValueName=="BPM" )
{
BPM1 = StringToFloat(sParams[1]);
stepsTiming.AddSegment( BPMSegment(0, BPM1) );
}
else if( sValueName=="BPM2" )
{
if (bKIUCompliant)
{
BPM2 = StringToFloat( sParams[1] );
}
else
{
// LOG an error.
}
}
else if( sValueName=="BPM3" )
{
if (bKIUCompliant)
{
BPM3 = StringToFloat( sParams[1] );
}
else
{
// LOG an error.
}
}
else if( sValueName=="BUNKI" )
{
if (bKIUCompliant)
{
BPMPos2 = StringToFloat( sParams[1] ) / 100.0f;
}
else
{
// LOG an error.
}
}
else if( sValueName=="BUNKI2" )
{
if (bKIUCompliant)
{
BPMPos3 = StringToFloat( sParams[1] ) / 100.0f;
}
else
{
// LOG an error.
}
}
else if( sValueName=="STARTTIME" )
{
SMGap1 = -StringToFloat( sParams[1] )/100;
stepsTiming.set_offset(SMGap1);
}
// This is currently required for more accurate KIU BPM changes.
else if( sValueName=="STARTTIME2" )
{
if (bKIUCompliant)
{
SMGap2 = -StringToFloat( sParams[1] )/100;
}
else
{
// LOG an error.
}
}
else if ( sValueName=="STARTTIME3" )
{
// STARTTIME3 only ensures this is a KIU compliant simfile.
bKIUCompliant = true;
}
else if( sValueName=="TICKCOUNT" )
{
iTickCount = StringToInt( sParams[1] );
if( iTickCount <= 0 )
{
LOG->UserLog( "Song file", sPath, "has an invalid tick count: %d.", iTickCount );
return false;
}
stepsTiming.AddSegment( TickcountSegment(0, iTickCount));
}
else if( sValueName=="DIFFICULTY" )
{
out.SetMeter( max(StringToInt(sParams[1]), 1) );
}
// new cases from Aldo_MX's fork:
else if( sValueName=="PLAYER" )
{
std::string sPlayer = Rage::make_lower(sParams[1]);
if( sPlayer.find( "double" ) != string::npos )
{
bDoublesChart = true;
}
}
// This should always be last.
else if( sValueName=="STEP" )
{
std::string theSteps = Rage::trim_left(sParams[1]);
auto toDump = Rage::split(theSteps, "\n", Rage::EmptyEntries::skip);
vNoteRows.insert(vNoteRows.end(), std::make_move_iterator(toDump.begin()), std::make_move_iterator(toDump.end()));
}
}
if( iTickCount == -1 )
{
iTickCount = 4;
LOG->UserLog( "Song file", sPath, "doesn't have a TICKCOUNT. Defaulting to %i.", iTickCount );
}
// Prepare BPM stuff already if the file uses KSF syntax.
if( bKIUCompliant )
{
if( BPM2 > 0 && BPMPos2 > 0 )
{
HandleBunki( stepsTiming, BPM1, BPM2, SMGap1, BPMPos2 );
}
if( BPM3 > 0 && BPMPos3 > 0 )
{
HandleBunki( stepsTiming, BPM2, BPM3, SMGap2, BPMPos3 );
}
}
NoteData notedata; // read it into here
{
std::string sDir, sFName, sExt;
splitpath( sPath, sDir, sFName, sExt );
sFName = Rage::make_lower(sFName);
out.SetDescription(sFName);
// Check another before anything else... is this okay? -DaisuMaster
if( sFName.find("another") != string::npos )
{
out.SetDifficulty( Difficulty_Edit );
if( !out.GetMeter() ) out.SetMeter( 25 );
}
else if(sFName.find("wild") != string::npos ||
sFName.find("wd") != string::npos ||
sFName.find("crazy+") != string::npos ||
sFName.find("cz+") != string::npos ||
sFName.find("hardcore") != string::npos )
{
out.SetDifficulty( Difficulty_Challenge );
if( !out.GetMeter() ) out.SetMeter( 20 );
}
else if(sFName.find("crazy") != string::npos ||
sFName.find("cz") != string::npos ||
sFName.find("nightmare") != string::npos ||
sFName.find("nm") != string::npos ||
sFName.find("crazydouble") != string::npos )
{
out.SetDifficulty( Difficulty_Hard );
if( !out.GetMeter() ) out.SetMeter( 14 ); // Set the meters to the Pump scale, not DDR.
}
else if(sFName.find("hard") != string::npos ||
sFName.find("hd") != string::npos ||
sFName.find("freestyle") != string::npos ||
sFName.find("fs") != string::npos ||
sFName.find("double") != string::npos )
{
out.SetDifficulty( Difficulty_Medium );
if( !out.GetMeter() ) out.SetMeter( 8 );
}
else if(sFName.find("easy") != string::npos ||
sFName.find("ez") != string::npos ||
sFName.find("normal") != string::npos )
{
// I wonder if I should leave easy fall into the Beginner difficulty... -DaisuMaster
out.SetDifficulty( Difficulty_Easy );
if( !out.GetMeter() ) out.SetMeter( 4 );
}
else if(sFName.find("beginner") != string::npos ||
sFName.find("practice") != string::npos || sFName.find("pr") != string::npos )
{
out.SetDifficulty( Difficulty_Beginner );
if( !out.GetMeter() ) out.SetMeter( 4 );
}
else
{
out.SetDifficulty( Difficulty_Hard );
if( !out.GetMeter() ) out.SetMeter( 10 );
}
out.m_StepsType = StepsType_pump_single;
// Check for "halfdouble" before "double".
if(sFName.find("halfdouble") != string::npos ||
sFName.find("half-double") != string::npos ||
sFName.find("h_double") != string::npos ||
sFName.find("hdb") != string::npos )
out.m_StepsType = StepsType_pump_halfdouble;
// Handle bDoublesChart from above as well. -aj
else if(sFName.find("double") != string::npos ||
sFName.find("nightmare") != string::npos ||
sFName.find("freestyle") != string::npos ||
sFName.find("db") != string::npos ||
sFName.find("nm") != string::npos ||
sFName.find("fs") != string::npos || bDoublesChart )
out.m_StepsType = StepsType_pump_double;
else if( sFName.find("_1") != string::npos )
out.m_StepsType = StepsType_pump_single;
else if( sFName.find("_2") != string::npos )
out.m_StepsType = StepsType_pump_couple;
}
switch( out.m_StepsType )
{
case StepsType_pump_single: notedata.SetNumTracks( 5 ); break;
case StepsType_pump_couple: notedata.SetNumTracks( 10 ); break;
case StepsType_pump_double: notedata.SetNumTracks( 10 ); break;
case StepsType_pump_routine: notedata.SetNumTracks( 10 ); break; // future files may have this?
case StepsType_pump_halfdouble: notedata.SetNumTracks( 6 ); break;
default: FAIL_M( fmt::sprintf("%i", out.m_StepsType) );
}
int t = 0;
int iHoldStartRow[13];
for( t=0; t<13; t++ )
iHoldStartRow[t] = -1;
bool bTickChangeNeeded = false;
int newTick = -1;
float fCurBeat = 0.0f;
float prevBeat = 0.0f; // Used for hold tails.
for (auto &sRowString: vNoteRows)
{
sRowString = Rage::trim_right(sRowString, "\r\n");
if( sRowString == "" )
{
continue; // skip
}
// All 2s indicates the end of the song.
if( sRowString == "2222222222222" )
{
// Finish any holds that didn't get...well, finished.
for( t=0; t < notedata.GetNumTracks(); t++ )
{
if( iHoldStartRow[t] != -1 ) // this ends the hold
{
if( iHoldStartRow[t] == BeatToNoteRow(prevBeat) )
{
notedata.SetTapNote( t, iHoldStartRow[t], TAP_ORIGINAL_TAP );
}
else
{
notedata.AddHoldNote(t,
iHoldStartRow[t],
BeatToNoteRow(prevBeat),
TAP_ORIGINAL_HOLD_HEAD );
}
}
}
/* have this row be the last moment in the song, unless
* a future step ends later. */
//float curTime = stepsTiming.GetElapsedTimeFromBeat(fCurBeat);
//if (curTime > song.GetSpecifiedLastSecond())
//{
// song.SetSpecifiedLastSecond(curTime);
//}
song.SetSpecifiedLastSecond( song.GetSpecifiedLastSecond() + 4 );
break;
}
else if( Rage::starts_with(sRowString, "|") )
{
/*
if (bKIUCompliant)
{
// Log an error, ignore the line.
continue;
}
*/
// gotta do something tricky here: if the bpm is below one then a couple of calculations
// for scrollsegments will be made, example, bpm 0.2, tick 4000, the scrollsegment will
// be 0. if the tickcount is non a stepmania standard then it will be adapted, a scroll
// segment will then be added based on approximations. -DaisuMaster
// eh better do it considering the tickcount (high tickcounts)
// I'm making some experiments, please spare me...
//continue;
std::string temp = sRowString.substr(2,sRowString.size()-3);
float numTemp = StringToFloat(temp);
if (Rage::starts_with(sRowString, "|T"))
{
// duh
iTickCount = static_cast<int>(numTemp);
// I have been owned by the man -DaisuMaster
stepsTiming.SetTickcountAtBeat( fCurBeat, Rage::clamp(iTickCount, 0, ROWS_PER_BEAT) );
}
else if (Rage::starts_with(sRowString, "|B"))
{
// BPM
stepsTiming.SetBPMAtBeat( fCurBeat, numTemp );
}
else if (Rage::starts_with(sRowString, "|E"))
{
// DelayBeat
float fCurDelay = 60 / stepsTiming.GetBPMAtBeat(fCurBeat) * numTemp / iTickCount;
fCurDelay += stepsTiming.GetDelayAtRow(BeatToNoteRow(fCurBeat) );
stepsTiming.SetDelayAtBeat( fCurBeat, fCurDelay );
}
else if (Rage::starts_with(sRowString, "|D"))
{
// Delays
float fCurDelay = stepsTiming.GetStopAtRow(BeatToNoteRow(fCurBeat) );
fCurDelay += numTemp / 1000;
stepsTiming.SetDelayAtBeat( fCurBeat, fCurDelay );
}
else if (Rage::starts_with(sRowString, "|M") || Rage::starts_with(sRowString, "|C"))
{
// multipliers/combo
ComboSegment seg( BeatToNoteRow(fCurBeat), int(numTemp) );
stepsTiming.AddSegment( seg );
}
else if (Rage::starts_with(sRowString, "|S"))
{
// speed segments
}
else if (Rage::starts_with(sRowString, "|F"))
{
// fakes
}
else if (Rage::starts_with(sRowString, "|X"))
{
// scroll segments
ScrollSegment seg = ScrollSegment( BeatToNoteRow(fCurBeat), numTemp );
stepsTiming.AddSegment( seg );
//return true;
}
continue;
}
// Half-doubles is offset; "0011111100000".
if( out.m_StepsType == StepsType_pump_halfdouble )
sRowString.erase( 0, 2 );
// Update TICKCOUNT for Direct Move files.
if( bTickChangeNeeded )
{
iTickCount = newTick;
bTickChangeNeeded = false;
}
for( t=0; t < notedata.GetNumTracks(); t++ )
{
if( sRowString[t] == '4' )
{
/* Remember when each hold starts; ignore the middle. */
if( iHoldStartRow[t] == -1 )
iHoldStartRow[t] = BeatToNoteRow(fCurBeat);
continue;
}
if( iHoldStartRow[t] != -1 ) // this ends the hold
{
int iEndRow = BeatToNoteRow(prevBeat);
if( iHoldStartRow[t] == iEndRow )
notedata.SetTapNote( t, iHoldStartRow[t], TAP_ORIGINAL_TAP );
else
{
//notedata.AddHoldNote( t, iHoldStartRow[t], iEndRow , TAP_ORIGINAL_PUMP_HEAD );
notedata.AddHoldNote( t, iHoldStartRow[t], iEndRow , TAP_ORIGINAL_HOLD_HEAD );
}
iHoldStartRow[t] = -1;
}
TapNote tap;
switch( sRowString[t] )
{
case '0': tap = TAP_EMPTY; break;
case '1': tap = TAP_ORIGINAL_TAP; break;
//allow setting more notetypes on ksf files, this may come in handy (it should) -DaisuMaster
case 'M':
case 'm':
tap = TAP_ORIGINAL_MINE;
break;
case 'F':
case 'f':
tap = TAP_ORIGINAL_FAKE;
break;
case 'L':
case 'l':
tap = TAP_ORIGINAL_LIFT;
break;
default:
LOG->UserLog( "Song file", sPath, "has an invalid row \"%s\"; corrupt notes ignored.",
sRowString.c_str() );
//return false;
tap = TAP_EMPTY;
break;
}
notedata.SetTapNote(t, BeatToNoteRow(fCurBeat), tap);
}
prevBeat = fCurBeat;
fCurBeat = prevBeat + 1.0f / iTickCount;
}
out.SetNoteData( notedata );
out.m_Timing = stepsTiming;
out.TidyUpData();
out.SetSavedToDisk( true ); // we're loading from disk, so this is by definintion already saved
return true;
}