Downloaded from https://anonscm.debian.org/cgit/pkg-games/teeworlds.git/plain/debian/patches/new-wavpack.patch.

This patch lets us build teeworlds with wavpack 5.1.0.

--- a/src/engine/client/sound.cpp
+++ b/src/engine/client/sound.cpp
@@ -328,17 +328,14 @@ void CSound::RateConvert(int SampleID)
 	pSample->m_NumFrames = NumFrames;
 }
 
-int CSound::ReadData(void *pBuffer, int Size)
-{
-	return io_read(ms_File, pBuffer, Size);
-}
-
 int CSound::LoadWV(const char *pFilename)
 {
 	CSample *pSample;
 	int SampleID = -1;
 	char aError[100];
 	WavpackContext *pContext;
+	char aWholePath[1024];
+	IOHANDLE File;
 
 	// don't waste memory on sound when we are stress testing
 	if(g_Config.m_DbgStress)
@@ -351,19 +348,23 @@ int CSound::LoadWV(const char *pFilename
 	if(!m_pStorage)
 		return -1;
 
-	ms_File = m_pStorage->OpenFile(pFilename, IOFLAG_READ, IStorage::TYPE_ALL);
-	if(!ms_File)
+	File = m_pStorage->OpenFile(pFilename, IOFLAG_READ, IStorage::TYPE_ALL, aWholePath, sizeof(aWholePath));
+	if(!File)
 	{
 		dbg_msg("sound/wv", "failed to open file. filename='%s'", pFilename);
 		return -1;
 	}
+	else
+	{
+		io_close(File);
+	}
 
 	SampleID = AllocID();
 	if(SampleID < 0)
 		return -1;
 	pSample = &m_aSamples[SampleID];
 
-	pContext = WavpackOpenFileInput(ReadData, aError);
+	pContext = WavpackOpenFileInput(aWholePath, aError, OPEN_2CH_MAX, 0);
 	if (pContext)
 	{
 		int m_aSamples = WavpackGetNumSamples(pContext);
@@ -419,9 +420,6 @@ int CSound::LoadWV(const char *pFilename
 		dbg_msg("sound/wv", "failed to open %s: %s", pFilename, aError);
 	}
 
-	io_close(ms_File);
-	ms_File = NULL;
-
 	if(g_Config.m_Debug)
 		dbg_msg("sound/wv", "loaded %s", pFilename);
 
@@ -527,7 +525,5 @@ void CSound::StopAll()
 	lock_unlock(m_SoundLock);
 }
 
-IOHANDLE CSound::ms_File = 0;
-
 IEngineSound *CreateEngineSound() { return new CSound; }
 
--- a/src/engine/client/sound.h
+++ b/src/engine/client/sound.h
@@ -21,10 +21,6 @@ public:
 
 	static void RateConvert(int SampleID);
 
-	// TODO: Refactor: clean this mess up
-	static IOHANDLE ms_File;
-	static int ReadData(void *pBuffer, int Size);
-
 	virtual bool IsSoundEnabled() { return m_SoundEnabled != 0; }
 
 	virtual int LoadWV(const char *pFilename);