From 591c35d51bfad3d4c086b40b3772b114e0e63da0 Mon Sep 17 00:00:00 2001
From: Sergeanur <s.anureev@yandex.ua>
Date: Wed, 27 May 2020 07:52:45 +0300
Subject: [PATCH] OpenAL support

---
 src/audio/oal/stream.cpp  | 54 +++++++++++++++++++++++++++++++++++++++
 src/audio/sampman_oal.cpp | 10 +++-----
 2 files changed, 57 insertions(+), 7 deletions(-)

diff --git a/src/audio/oal/stream.cpp b/src/audio/oal/stream.cpp
index 34518f54..0378c07c 100644
--- a/src/audio/oal/stream.cpp
+++ b/src/audio/oal/stream.cpp
@@ -81,10 +81,17 @@ public:
 
 class CMP3File : public IDecoder
 {
+protected:
 	mpg123_handle *m_pMH;
 	bool m_bOpened;
 	uint32 m_nRate;
 	uint32 m_nChannels;
+	
+	CMP3File() :
+		m_pMH(nil),
+		m_bOpened(false),
+		m_nRate(0),
+		m_nChannels(0) {}
 public:
 	CMP3File(const char *path) :
 		m_pMH(nil),
@@ -171,6 +178,51 @@ public:
 	}
 };
 
+class CADFFile : public CMP3File
+{
+	static ssize_t r_read(void* fh, void* buf, size_t size)
+	{
+		size_t bytesRead = fread(buf, 1, size, (FILE*)fh);
+		uint8* _buf = (uint8*)buf;
+		for (int i = 0; i < size; i++)
+			_buf[i] ^= 0x22;
+		return bytesRead;
+	}
+	static off_t r_seek(void* fh, off_t pos, int seekType)
+	{
+		fseek((FILE*)fh, pos, seekType);
+		return ftell((FILE*)fh);
+	}
+	static void r_close(void* fh)
+	{
+		fclose((FILE*)fh);
+	}
+public:
+	CADFFile(const char* path)
+	{
+		m_pMH = mpg123_new(nil, nil);
+		if (m_pMH)
+		{
+			long rate = 0;
+			int channels = 0;
+			int encoding = 0;
+
+			FILE* f = fopen(path, "rb");
+
+			m_bOpened = mpg123_replace_reader_handle(m_pMH, r_read, r_seek, r_close) == MPG123_OK
+				&& mpg123_open_handle(m_pMH, f) == MPG123_OK &&  mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
+			m_nRate = rate;
+			m_nChannels = channels;
+
+			if (IsOpened())
+			{
+				mpg123_format_none(m_pMH);
+				mpg123_format(m_pMH, rate, channels, encoding);
+			}
+		}
+	}
+};
+
 void CStream::Initialise()
 {
 	mpg123_init();
@@ -217,6 +269,8 @@ CStream::CStream(char *filename, ALuint &source, ALuint (&buffers)[NUM_STREAMBUF
 		m_pSoundFile = new CMP3File(m_aFilename);
 	else if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".wav")], ".wav"))
 		m_pSoundFile = new CSndFile(m_aFilename);
+	else if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".adf")], ".adf"))
+		m_pSoundFile = new CADFFile(m_aFilename);
 	else 
 		m_pSoundFile = nil;
 	ASSERT(m_pSoundFile != nil);
diff --git a/src/audio/sampman_oal.cpp b/src/audio/sampman_oal.cpp
index 1952f370..5092a4b1 100644
--- a/src/audio/sampman_oal.cpp
+++ b/src/audio/sampman_oal.cpp
@@ -833,7 +833,7 @@ cSampleManager::LoadPedComment(uint32 nComment)
 			
 			case MUSICMODE_FRONTEND:
 			{
-				if ( MusicManager.GetCurrentTrack() == STREAMED_SOUND_GAME_COMPLETED )
+				if ( MusicManager.GetCurrentTrack() == STREAMED_SOUND_CUTSCENE_FINALE)
 					return false;
 
 				break;
@@ -1057,10 +1057,8 @@ cSampleManager::SetChannelEmittingVolume(uint32 nChannel, uint32 nVolume)
 	
 	nChannelVolume[nChannel] = vol;
 	
-	// reduce channel volume when JB.MP3 or S4_BDBD.MP3 playing
 	if (   MusicManager.GetMusicMode()    == MUSICMODE_CUTSCENE
-		&& MusicManager.GetCurrentTrack() != STREAMED_SOUND_NEWS_INTRO
-		&& MusicManager.GetCurrentTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD )
+		&& MusicManager.GetCurrentTrack() != STREAMED_SOUND_CUTSCENE_FINALE )
 	{
 		nChannelVolume[nChannel] = vol / 4;
 	}
@@ -1099,10 +1097,8 @@ cSampleManager::SetChannelVolume(uint32 nChannel, uint32 nVolume)
 		
 		nChannelVolume[nChannel] = vol;
 		
-		// reduce the volume for JB.MP3 and S4_BDBD.MP3
 		if (   MusicManager.GetMusicMode()    == MUSICMODE_CUTSCENE
-			&& MusicManager.GetCurrentTrack() != STREAMED_SOUND_NEWS_INTRO
-			&& MusicManager.GetCurrentTrack() != STREAMED_SOUND_CUTSCENE_SAL4_BDBD )
+			&& MusicManager.GetCurrentTrack() != STREAMED_SOUND_CUTSCENE_FINALE )
 		{
 			nChannelVolume[nChannel] = vol / 4;
 		}