mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-12 15:41:02 -05:00
317 lines
9.6 KiB
C++
317 lines
9.6 KiB
C++
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/*
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* AppendModule.cpp
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* ----------------
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* Purpose: Appending one module to an existing module
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#include "stdafx.h"
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#include "Moddoc.h"
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#include "../soundlib/mod_specifications.h"
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OPENMPT_NAMESPACE_BEGIN
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// Add samples, instruments, plugins and patterns from another module to the current module
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void CModDoc::AppendModule(const CSoundFile &source)
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{
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const CModSpecifications &specs = m_SndFile.GetModSpecifications();
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// Mappings between old and new indices
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std::vector<PLUGINDEX> pluginMapping(MAX_MIXPLUGINS + 1, 0);
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std::vector<INSTRUMENTINDEX> instrMapping((source.GetNumInstruments() ? source.GetNumInstruments() : source.GetNumSamples()) + 1, INSTRUMENTINDEX_INVALID);
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std::vector<ORDERINDEX> orderMapping;
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std::vector<PATTERNINDEX> patternMapping(source.Patterns.GetNumPatterns(), PATTERNINDEX_INVALID);
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///////////////////////////////////////////////////////////////////////////
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// Copy plugins
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#ifndef NO_PLUGINS
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if(specs.supportsPlugins)
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{
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PLUGINDEX plug = 0;
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for(PLUGINDEX i = 0; i < MAX_MIXPLUGINS; i++)
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{
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if(!source.m_MixPlugins[i].IsValidPlugin())
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{
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continue;
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}
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while(plug < MAX_MIXPLUGINS && m_SndFile.m_MixPlugins[plug].IsValidPlugin())
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{
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plug++;
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}
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if(plug < MAX_MIXPLUGINS)
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{
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ClonePlugin(m_SndFile.m_MixPlugins[plug], source.m_MixPlugins[i]);
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pluginMapping[i + 1] = plug + 1;
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} else
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{
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AddToLog("Too many plugins!");
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break;
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}
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}
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// Fix up references between plugins
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for(PLUGINDEX i = 0; i < MAX_MIXPLUGINS; i++)
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{
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if(pluginMapping[i + 1] != 0 && source.m_MixPlugins[i].GetOutputPlugin() < MAX_MIXPLUGINS)
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{
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m_SndFile.m_MixPlugins[pluginMapping[i + 1] - 1].SetOutputPlugin(pluginMapping[source.m_MixPlugins[i].GetOutputPlugin() + 1] - 1);
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}
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}
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}
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#endif // NO_PLUGINS
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///////////////////////////////////////////////////////////////////////////
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// Copy samples / instruments
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if(source.GetNumInstruments() != 0 && m_SndFile.GetNumInstruments() == 0 && specs.instrumentsMax)
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{
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// Convert to instruments first
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ConvertSamplesToInstruments();
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}
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// Check which samples / instruments are actually referenced.
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for(const auto &pat : source.Patterns) if(pat.IsValid())
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{
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for(const auto &m : pat)
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{
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if(!m.IsPcNote() && m.instr < instrMapping.size()) instrMapping[m.instr] = 0;
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}
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}
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if(m_SndFile.GetNumInstruments())
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{
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INSTRUMENTINDEX targetIns = 0;
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if(source.GetNumInstruments())
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{
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for(INSTRUMENTINDEX i = 1; i <= source.GetNumInstruments(); i++) if(source.Instruments[i] != nullptr && !instrMapping[i])
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{
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targetIns = m_SndFile.GetNextFreeInstrument(targetIns + 1);
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if(targetIns == INSTRUMENTINDEX_INVALID)
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{
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AddToLog("Too many instruments!");
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break;
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}
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if(m_SndFile.ReadInstrumentFromSong(targetIns, source, i))
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{
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ModInstrument *ins = m_SndFile.Instruments[targetIns];
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if(ins->nMixPlug <= MAX_MIXPLUGINS)
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{
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ins->nMixPlug = pluginMapping[ins->nMixPlug];
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}
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instrMapping[i] = targetIns;
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}
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}
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} else
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{
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SAMPLEINDEX targetSmp = 0;
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for(SAMPLEINDEX i = 1; i <= source.GetNumSamples(); i++) if(!instrMapping[i])
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{
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targetIns = m_SndFile.GetNextFreeInstrument(targetIns + 1);
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targetSmp = m_SndFile.GetNextFreeSample(targetIns, targetSmp + 1);
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if(targetIns == INSTRUMENTINDEX_INVALID)
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{
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AddToLog("Too many instruments!");
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break;
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} else if(targetSmp == SAMPLEINDEX_INVALID)
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{
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AddToLog("Too many samples!");
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break;
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}
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if(m_SndFile.AllocateInstrument(targetIns, targetSmp) != nullptr)
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{
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m_SndFile.ReadSampleFromSong(targetSmp, source, i);
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}
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instrMapping[i] = targetIns;
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}
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}
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} else
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{
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SAMPLEINDEX targetSmp = 0;
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if(source.GetNumInstruments())
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{
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for(INSTRUMENTINDEX i = 1; i <= source.GetNumInstruments(); i++) if(source.Instruments[i] != nullptr && !instrMapping[i])
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{
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targetSmp = m_SndFile.GetNextFreeSample(INSTRUMENTINDEX_INVALID, targetSmp + 1);
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if(targetSmp == SAMPLEINDEX_INVALID)
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{
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AddToLog("Too many samples!");
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break;
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}
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m_SndFile.ReadSampleFromSong(targetSmp, source, source.Instruments[i]->Keyboard[NOTE_MIDDLEC - NOTE_MIN]);
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instrMapping[i] = targetSmp;
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}
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} else
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{
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for(SAMPLEINDEX i = 1; i <= source.GetNumSamples(); i++) if(!instrMapping[i])
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{
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targetSmp = m_SndFile.GetNextFreeSample(INSTRUMENTINDEX_INVALID, targetSmp + 1);
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if(targetSmp == SAMPLEINDEX_INVALID)
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{
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AddToLog("Too many samples!");
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break;
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}
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m_SndFile.ReadSampleFromSong(targetSmp, source, i);
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instrMapping[i] = targetSmp;
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////
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// Copy order lists
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const bool useOrderMapping = source.Order.GetNumSequences() == 1;
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for(auto &srcOrder : source.Order)
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{
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ORDERINDEX insertPos = 0;
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if(m_SndFile.Order.GetNumSequences() < specs.sequencesMax)
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{
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m_SndFile.Order.AddSequence();
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m_SndFile.Order().SetName(srcOrder.GetName());
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} else
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{
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insertPos = m_SndFile.Order().GetLengthTailTrimmed();
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if(specs.hasStopIndex)
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insertPos++;
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}
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const ORDERINDEX ordLen = srcOrder.GetLengthTailTrimmed();
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if(useOrderMapping) orderMapping.resize(ordLen, ORDERINDEX_INVALID);
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for(ORDERINDEX ord = 0; ord < ordLen; ord++)
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{
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if(insertPos >= specs.ordersMax)
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{
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AddToLog("Too many order items!");
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break;
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}
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PATTERNINDEX insertPat = PATTERNINDEX_INVALID;
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PATTERNINDEX srcPat = srcOrder[ord];
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if(source.Patterns.IsValidPat(srcPat) && srcPat < patternMapping.size())
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{
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if(patternMapping[srcPat] == PATTERNINDEX_INVALID && source.Patterns.IsValidPat(srcPat))
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{
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patternMapping[srcPat] = InsertPattern(Clamp(source.Patterns[srcPat].GetNumRows(), specs.patternRowsMin, specs.patternRowsMax));
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if(patternMapping[srcPat] == PATTERNINDEX_INVALID)
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{
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AddToLog("Too many patterns!");
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break;
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}
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}
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if(patternMapping[srcPat] == PATTERNINDEX_INVALID)
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{
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continue;
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}
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insertPat = patternMapping[srcPat];
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} else if(srcPat == srcOrder.GetIgnoreIndex() && specs.hasIgnoreIndex)
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{
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insertPat = m_SndFile.Order.GetIgnoreIndex();
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} else if(srcPat == srcOrder.GetInvalidPatIndex() && specs.hasStopIndex)
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{
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insertPat = m_SndFile.Order.GetInvalidPatIndex();
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} else
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{
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continue;
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}
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m_SndFile.Order().insert(insertPos, 1, insertPat);
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if(useOrderMapping) orderMapping[ord] = insertPos++;
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}
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}
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///////////////////////////////////////////////////////////////////////////
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// Adjust number of channels
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if(source.GetNumChannels() > m_SndFile.GetNumChannels())
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{
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CHANNELINDEX newChn = source.GetNumChannels();
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if(newChn > specs.channelsMax)
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{
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AddToLog("Too many channels!");
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newChn = specs.channelsMax;
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}
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if(newChn > m_SndFile.GetNumChannels())
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{
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ChangeNumChannels(newChn, false);
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}
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}
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///////////////////////////////////////////////////////////////////////////
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// Copy patterns
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const bool tempoSwingDiffers = source.m_tempoSwing != m_SndFile.m_tempoSwing;
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const bool timeSigDiffers = source.m_nDefaultRowsPerBeat != m_SndFile.m_nDefaultRowsPerBeat || source.m_nDefaultRowsPerMeasure != m_SndFile.m_nDefaultRowsPerMeasure;
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const CHANNELINDEX copyChannels = std::min(m_SndFile.GetNumChannels(), source.GetNumChannels());
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for(PATTERNINDEX pat = 0; pat < patternMapping.size(); pat++)
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{
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if(patternMapping[pat] == PATTERNINDEX_INVALID)
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{
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continue;
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}
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const CPattern &sourcePat = source.Patterns[pat];
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CPattern &targetPat = m_SndFile.Patterns[patternMapping[pat]];
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if(specs.hasPatternNames)
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{
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targetPat.SetName(sourcePat.GetName());
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}
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if(specs.hasPatternSignatures)
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{
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if(sourcePat.GetOverrideSignature())
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{
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targetPat.SetSignature(sourcePat.GetRowsPerBeat(), sourcePat.GetRowsPerMeasure());
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} else if(timeSigDiffers)
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{
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// Try fixing differing signature settings by copying them to the newly created patterns
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targetPat.SetSignature(source.m_nDefaultRowsPerBeat, source.m_nDefaultRowsPerMeasure);
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}
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}
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if(m_SndFile.m_nTempoMode == TempoMode::Modern)
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{
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// Swing only works in modern tempo mode
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if(sourcePat.HasTempoSwing())
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{
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targetPat.SetTempoSwing(sourcePat.GetTempoSwing());
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} else if(tempoSwingDiffers)
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{
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// Try fixing differing swing settings by copying them to the newly created patterns
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targetPat.SetSignature(source.m_nDefaultRowsPerBeat, source.m_nDefaultRowsPerMeasure);
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targetPat.SetTempoSwing(source.m_tempoSwing);
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}
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}
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const ROWINDEX copyRows = std::min(sourcePat.GetNumRows(), targetPat.GetNumRows());
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for(ROWINDEX row = 0; row < copyRows; row++)
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{
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const ModCommand *src = sourcePat.GetRow(row);
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ModCommand *m = targetPat.GetRow(row);
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for(CHANNELINDEX chn = 0; chn < copyChannels; chn++, src++, m++)
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{
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*m = *src;
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m->Convert(source.GetType(), m_SndFile.GetType(), source);
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if(m->IsPcNote())
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{
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if(m->instr && m->instr < pluginMapping.size()) m->instr = static_cast<ModCommand::INSTR>(pluginMapping[m->instr]);
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} else
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{
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if(m->instr && m->instr < instrMapping.size()) m->instr = static_cast<ModCommand::INSTR>(instrMapping[m->instr]);
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if(m->command == CMD_POSITIONJUMP && m->param < orderMapping.size())
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{
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if(orderMapping[m->param] == ORDERINDEX_INVALID)
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{
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m->command = CMD_NONE;
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} else
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{
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m->param = static_cast<ModCommand::PARAM>(orderMapping[m->param]);
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}
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}
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}
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}
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}
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if(copyRows < targetPat.GetNumRows())
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{
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// If source pattern was smaller, write pattern break effect.
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targetPat.WriteEffect(EffectWriter(CMD_PATTERNBREAK, 0).Row(copyRows - 1).RetryNextRow());
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}
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}
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}
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OPENMPT_NAMESPACE_END
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