Initial

2024-08-07 09:16:27 -04:00
parent fdfadd5c7e
commit 5f971cf684
5200 changed files with 731717 additions and 0 deletions
--- a/midiwrt/MUSFILE.CPP
+++ b/midiwrt/MUSFILE.CPP
@@ -0,0 +1,131 @@
+#include <iostream.h>
+#include <iomanip.h>
+#include <stdio.h>
+#include <midiwrt/musfile.hpp>
+
+MUSFile::MUSFile(String musPathFileName)
+: mMusFile(musPathFileName), mlpMUSInstruments(0), mhGlobalMUSInstruments(0),
+  mIsOkay(FALSE), mPitchBenderValue(0), mTempoValue(0)
+{
+	String musIDString("MUS");
+
+	if(!mMusFile.isOkay())return;
+	if(!readHeader(mMusFile))return;
+	if(!(musIDString==headerID()))return;
+  if(!instruments())return;
+	mhGlobalMUSInstruments=::GlobalAlloc(GMEM_FIXED,instruments()*sizeof(WORD));
+	mlpMUSInstruments=(WORD FAR *)::GlobalLock(mhGlobalMUSInstruments);
+	for(int index=0;index<instruments();index++)mMusFile.read(*(mlpMUSInstruments+index));
+	mIsOkay=TRUE;
+}
+
+MUSFile::~MUSFile()
+{
+	if(mlpMUSInstruments)
+	{
+		while(::GlobalUnlock(mhGlobalMUSInstruments));
+		::GlobalFree(mhGlobalMUSInstruments);
+		mlpMUSInstruments=0;
+    mhGlobalMUSInstruments=0;
+  }
+}
+
+WORD MUSFile::readMUSFile(void)
+{
+	BYTE eventDescriptor;
+  BYTE trackNumber;
+	WORD isRunning(TRUE);
+	WORD returnCode(FALSE);
+	PureEvent pureEvent;
+	PureDelay pureDelay;
+
+	if(!isOkay())return FALSE;
+  mChannelNotes.size(MaxChannel);
+	for(trackNumber=0;trackNumber<=MaxTracks;trackNumber++)
+	{
+		isRunning=TRUE;
+    pureDelay.resetDelay();
+    if(!handleScoreStart())return FALSE;
+		if(!mMusFile.seek(scoreStart(),FileIO::SeekBeginning))return FALSE;
+		while(isRunning)
+		{
+			if(!mMusFile.read(eventDescriptor)){isRunning=FALSE;break;}
+			pureEvent.setEvent(eventDescriptor);
+			switch(pureEvent.eventType())
+			{
+				case PureEvent::ReleaseNote :
+					mChannelNotes[pureEvent.channel()].readNote(mMusFile);
+          if(pureEvent.channel()==trackNumber)
+					  handleReleaseNote(pureEvent,pureDelay,mChannelNotes[pureEvent.channel()],trackNumber);
+					break;
+				case PureEvent::PlayNote :
+					mChannelNotes[pureEvent.channel()].readNote(mMusFile);
+          if(pureEvent.channel()==trackNumber)
+					  handlePlayNote(pureEvent,pureDelay,mChannelNotes[pureEvent.channel()],trackNumber);
+					break;
+				case PureEvent::PitchWheel :
+					mMusFile.read(mPitchBenderValue);
+          if(pureEvent.channel()==trackNumber)
+					  handlePitchBend(pureEvent,pureDelay,mPitchBenderValue,trackNumber);
+					break;
+				case PureEvent::Tempo :
+					mMusFile.read(mTempoValue);
+          if(pureEvent.channel()==trackNumber)
+					  handleReset(pureEvent,pureDelay,mTempoValue,trackNumber);
+					break;
+				case PureEvent::ChangeController :
+					mPureController.readController(mMusFile);
+				  if(pureEvent.channel()==trackNumber)
+					  handleController(pureEvent,pureDelay,mPureController,trackNumber);
+					break;
+				case PureEvent::UnknownOne :
+					break;
+				case PureEvent::ScoreEnd :
+					isRunning=FALSE;
+					returnCode=TRUE;
+					handleScoreEnd(pureDelay);
+					break;
+				case PureEvent::UnknownTwo :
+					break;
+			}
+			if(pureEvent.hasTimeInfo())pureDelay.readDelay(mMusFile);
+		}
+	}
+	return returnCode;
+}
+
+WORD MUSFile::handleScoreStart(void)
+{
+  return FALSE;
+}
+
+WORD MUSFile::handleReleaseNote(PureEvent &/*pureEvent*/,PureDelay &/*pureDelay*/,PureNote &/*releaseNote*/,BYTE /*trackNumber*/)
+{
+  return FALSE;
+}
+
+WORD MUSFile::handlePlayNote(PureEvent &/*pureEvent*/,PureDelay &/*pureDelay*/,PureNote &/*playNote*/,BYTE /*trackNumber*/)
+{
+  return FALSE;
+}
+
+WORD MUSFile::handlePitchBend(PureEvent &/*pureEvent*/,PureDelay &/*pureDelay*/,BYTE /*pitchBenderValue*/,BYTE /*trackNumber*/)
+{
+	return FALSE;
+}
+
+WORD MUSFile::handleReset(PureEvent &/*pureEvent*/,PureDelay &/*pureDelay*/,BYTE /*tempoValue*/,BYTE /*trackNumber*/)
+{
+	return FALSE;
+}
+
+WORD MUSFile::handleController(PureEvent &/*pureEvent*/,PureDelay &/*pureDelay*/,PureController &/*pureController*/,BYTE /*trackNumber*/)
+{
+	return FALSE;
+}
+
+WORD MUSFile::handleScoreEnd(PureDelay &/*pureDelay*/)
+{
+	return FALSE;
+}
+