winamp/Src/external_dependencies/openmpt-trunk/mptrack/AppendModule.cpp

317 lines
9.6 KiB
C++

/*
* AppendModule.cpp
* ----------------
* Purpose: Appending one module to an existing module
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#include "stdafx.h"
#include "Moddoc.h"
#include "../soundlib/mod_specifications.h"
OPENMPT_NAMESPACE_BEGIN
// Add samples, instruments, plugins and patterns from another module to the current module
void CModDoc::AppendModule(const CSoundFile &source)
{
const CModSpecifications &specs = m_SndFile.GetModSpecifications();
// Mappings between old and new indices
std::vector<PLUGINDEX> pluginMapping(MAX_MIXPLUGINS + 1, 0);
std::vector<INSTRUMENTINDEX> instrMapping((source.GetNumInstruments() ? source.GetNumInstruments() : source.GetNumSamples()) + 1, INSTRUMENTINDEX_INVALID);
std::vector<ORDERINDEX> orderMapping;
std::vector<PATTERNINDEX> patternMapping(source.Patterns.GetNumPatterns(), PATTERNINDEX_INVALID);
///////////////////////////////////////////////////////////////////////////
// Copy plugins
#ifndef NO_PLUGINS
if(specs.supportsPlugins)
{
PLUGINDEX plug = 0;
for(PLUGINDEX i = 0; i < MAX_MIXPLUGINS; i++)
{
if(!source.m_MixPlugins[i].IsValidPlugin())
{
continue;
}
while(plug < MAX_MIXPLUGINS && m_SndFile.m_MixPlugins[plug].IsValidPlugin())
{
plug++;
}
if(plug < MAX_MIXPLUGINS)
{
ClonePlugin(m_SndFile.m_MixPlugins[plug], source.m_MixPlugins[i]);
pluginMapping[i + 1] = plug + 1;
} else
{
AddToLog("Too many plugins!");
break;
}
}
// Fix up references between plugins
for(PLUGINDEX i = 0; i < MAX_MIXPLUGINS; i++)
{
if(pluginMapping[i + 1] != 0 && source.m_MixPlugins[i].GetOutputPlugin() < MAX_MIXPLUGINS)
{
m_SndFile.m_MixPlugins[pluginMapping[i + 1] - 1].SetOutputPlugin(pluginMapping[source.m_MixPlugins[i].GetOutputPlugin() + 1] - 1);
}
}
}
#endif // NO_PLUGINS
///////////////////////////////////////////////////////////////////////////
// Copy samples / instruments
if(source.GetNumInstruments() != 0 && m_SndFile.GetNumInstruments() == 0 && specs.instrumentsMax)
{
// Convert to instruments first
ConvertSamplesToInstruments();
}
// Check which samples / instruments are actually referenced.
for(const auto &pat : source.Patterns) if(pat.IsValid())
{
for(const auto &m : pat)
{
if(!m.IsPcNote() && m.instr < instrMapping.size()) instrMapping[m.instr] = 0;
}
}
if(m_SndFile.GetNumInstruments())
{
INSTRUMENTINDEX targetIns = 0;
if(source.GetNumInstruments())
{
for(INSTRUMENTINDEX i = 1; i <= source.GetNumInstruments(); i++) if(source.Instruments[i] != nullptr && !instrMapping[i])
{
targetIns = m_SndFile.GetNextFreeInstrument(targetIns + 1);
if(targetIns == INSTRUMENTINDEX_INVALID)
{
AddToLog("Too many instruments!");
break;
}
if(m_SndFile.ReadInstrumentFromSong(targetIns, source, i))
{
ModInstrument *ins = m_SndFile.Instruments[targetIns];
if(ins->nMixPlug <= MAX_MIXPLUGINS)
{
ins->nMixPlug = pluginMapping[ins->nMixPlug];
}
instrMapping[i] = targetIns;
}
}
} else
{
SAMPLEINDEX targetSmp = 0;
for(SAMPLEINDEX i = 1; i <= source.GetNumSamples(); i++) if(!instrMapping[i])
{
targetIns = m_SndFile.GetNextFreeInstrument(targetIns + 1);
targetSmp = m_SndFile.GetNextFreeSample(targetIns, targetSmp + 1);
if(targetIns == INSTRUMENTINDEX_INVALID)
{
AddToLog("Too many instruments!");
break;
} else if(targetSmp == SAMPLEINDEX_INVALID)
{
AddToLog("Too many samples!");
break;
}
if(m_SndFile.AllocateInstrument(targetIns, targetSmp) != nullptr)
{
m_SndFile.ReadSampleFromSong(targetSmp, source, i);
}
instrMapping[i] = targetIns;
}
}
} else
{
SAMPLEINDEX targetSmp = 0;
if(source.GetNumInstruments())
{
for(INSTRUMENTINDEX i = 1; i <= source.GetNumInstruments(); i++) if(source.Instruments[i] != nullptr && !instrMapping[i])
{
targetSmp = m_SndFile.GetNextFreeSample(INSTRUMENTINDEX_INVALID, targetSmp + 1);
if(targetSmp == SAMPLEINDEX_INVALID)
{
AddToLog("Too many samples!");
break;
}
m_SndFile.ReadSampleFromSong(targetSmp, source, source.Instruments[i]->Keyboard[NOTE_MIDDLEC - NOTE_MIN]);
instrMapping[i] = targetSmp;
}
} else
{
for(SAMPLEINDEX i = 1; i <= source.GetNumSamples(); i++) if(!instrMapping[i])
{
targetSmp = m_SndFile.GetNextFreeSample(INSTRUMENTINDEX_INVALID, targetSmp + 1);
if(targetSmp == SAMPLEINDEX_INVALID)
{
AddToLog("Too many samples!");
break;
}
m_SndFile.ReadSampleFromSong(targetSmp, source, i);
instrMapping[i] = targetSmp;
}
}
}
///////////////////////////////////////////////////////////////////////////
// Copy order lists
const bool useOrderMapping = source.Order.GetNumSequences() == 1;
for(auto &srcOrder : source.Order)
{
ORDERINDEX insertPos = 0;
if(m_SndFile.Order.GetNumSequences() < specs.sequencesMax)
{
m_SndFile.Order.AddSequence();
m_SndFile.Order().SetName(srcOrder.GetName());
} else
{
insertPos = m_SndFile.Order().GetLengthTailTrimmed();
if(specs.hasStopIndex)
insertPos++;
}
const ORDERINDEX ordLen = srcOrder.GetLengthTailTrimmed();
if(useOrderMapping) orderMapping.resize(ordLen, ORDERINDEX_INVALID);
for(ORDERINDEX ord = 0; ord < ordLen; ord++)
{
if(insertPos >= specs.ordersMax)
{
AddToLog("Too many order items!");
break;
}
PATTERNINDEX insertPat = PATTERNINDEX_INVALID;
PATTERNINDEX srcPat = srcOrder[ord];
if(source.Patterns.IsValidPat(srcPat) && srcPat < patternMapping.size())
{
if(patternMapping[srcPat] == PATTERNINDEX_INVALID && source.Patterns.IsValidPat(srcPat))
{
patternMapping[srcPat] = InsertPattern(Clamp(source.Patterns[srcPat].GetNumRows(), specs.patternRowsMin, specs.patternRowsMax));
if(patternMapping[srcPat] == PATTERNINDEX_INVALID)
{
AddToLog("Too many patterns!");
break;
}
}
if(patternMapping[srcPat] == PATTERNINDEX_INVALID)
{
continue;
}
insertPat = patternMapping[srcPat];
} else if(srcPat == srcOrder.GetIgnoreIndex() && specs.hasIgnoreIndex)
{
insertPat = m_SndFile.Order.GetIgnoreIndex();
} else if(srcPat == srcOrder.GetInvalidPatIndex() && specs.hasStopIndex)
{
insertPat = m_SndFile.Order.GetInvalidPatIndex();
} else
{
continue;
}
m_SndFile.Order().insert(insertPos, 1, insertPat);
if(useOrderMapping) orderMapping[ord] = insertPos++;
}
}
///////////////////////////////////////////////////////////////////////////
// Adjust number of channels
if(source.GetNumChannels() > m_SndFile.GetNumChannels())
{
CHANNELINDEX newChn = source.GetNumChannels();
if(newChn > specs.channelsMax)
{
AddToLog("Too many channels!");
newChn = specs.channelsMax;
}
if(newChn > m_SndFile.GetNumChannels())
{
ChangeNumChannels(newChn, false);
}
}
///////////////////////////////////////////////////////////////////////////
// Copy patterns
const bool tempoSwingDiffers = source.m_tempoSwing != m_SndFile.m_tempoSwing;
const bool timeSigDiffers = source.m_nDefaultRowsPerBeat != m_SndFile.m_nDefaultRowsPerBeat || source.m_nDefaultRowsPerMeasure != m_SndFile.m_nDefaultRowsPerMeasure;
const CHANNELINDEX copyChannels = std::min(m_SndFile.GetNumChannels(), source.GetNumChannels());
for(PATTERNINDEX pat = 0; pat < patternMapping.size(); pat++)
{
if(patternMapping[pat] == PATTERNINDEX_INVALID)
{
continue;
}
const CPattern &sourcePat = source.Patterns[pat];
CPattern &targetPat = m_SndFile.Patterns[patternMapping[pat]];
if(specs.hasPatternNames)
{
targetPat.SetName(sourcePat.GetName());
}
if(specs.hasPatternSignatures)
{
if(sourcePat.GetOverrideSignature())
{
targetPat.SetSignature(sourcePat.GetRowsPerBeat(), sourcePat.GetRowsPerMeasure());
} else if(timeSigDiffers)
{
// Try fixing differing signature settings by copying them to the newly created patterns
targetPat.SetSignature(source.m_nDefaultRowsPerBeat, source.m_nDefaultRowsPerMeasure);
}
}
if(m_SndFile.m_nTempoMode == TempoMode::Modern)
{
// Swing only works in modern tempo mode
if(sourcePat.HasTempoSwing())
{
targetPat.SetTempoSwing(sourcePat.GetTempoSwing());
} else if(tempoSwingDiffers)
{
// Try fixing differing swing settings by copying them to the newly created patterns
targetPat.SetSignature(source.m_nDefaultRowsPerBeat, source.m_nDefaultRowsPerMeasure);
targetPat.SetTempoSwing(source.m_tempoSwing);
}
}
const ROWINDEX copyRows = std::min(sourcePat.GetNumRows(), targetPat.GetNumRows());
for(ROWINDEX row = 0; row < copyRows; row++)
{
const ModCommand *src = sourcePat.GetRow(row);
ModCommand *m = targetPat.GetRow(row);
for(CHANNELINDEX chn = 0; chn < copyChannels; chn++, src++, m++)
{
*m = *src;
m->Convert(source.GetType(), m_SndFile.GetType(), source);
if(m->IsPcNote())
{
if(m->instr && m->instr < pluginMapping.size()) m->instr = static_cast<ModCommand::INSTR>(pluginMapping[m->instr]);
} else
{
if(m->instr && m->instr < instrMapping.size()) m->instr = static_cast<ModCommand::INSTR>(instrMapping[m->instr]);
if(m->command == CMD_POSITIONJUMP && m->param < orderMapping.size())
{
if(orderMapping[m->param] == ORDERINDEX_INVALID)
{
m->command = CMD_NONE;
} else
{
m->param = static_cast<ModCommand::PARAM>(orderMapping[m->param]);
}
}
}
}
}
if(copyRows < targetPat.GetNumRows())
{
// If source pattern was smaller, write pattern break effect.
targetPat.WriteEffect(EffectWriter(CMD_PATTERNBREAK, 0).Row(copyRows - 1).RetryNextRow());
}
}
}
OPENMPT_NAMESPACE_END