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()" );

	// 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.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();
}
Beispiel #2
0
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;
}