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#include "nw4r/snd/snd_SoundArchiveLoader.h"
#include "nw4r/snd/snd_SoundArchive.h"
#include "nw4r/snd/snd_SoundMemoryAllocatable.h"
#include "nw4r/types_nw4r.h"
#include "nw4r/ut/ut_FileStream.h"
#include "rvl/OS/OSMutex.h"
namespace nw4r {
namespace snd {
namespace detail {
SoundArchiveLoader::SoundArchiveLoader(const SoundArchive& rArchive)
: mArc(rArchive), mStream(NULL) {
OSInitMutex(&mMutex);
}
SoundArchiveLoader::~SoundArchiveLoader() {}
void* SoundArchiveLoader::LoadGroup(u32 id,
SoundMemoryAllocatable* pAllocatable,
void** ppWaveBuffer, u32 blockSize) {
ut::detail::AutoLock<OSMutex> lock(mMutex);
FileStreamHandle groupHandle(
mArc.detail_OpenGroupStream(id, mStreamArea, sizeof(mStreamArea)));
if (!groupHandle) {
return NULL;
}
if (!groupHandle->CanSeek() || !groupHandle->CanRead()) {
return NULL;
}
void* pGroupBuffer = pAllocatable->Alloc(groupHandle->GetSize());
if (pGroupBuffer == NULL) {
return NULL;
}
mStream = groupHandle.GetFileStream();
if (blockSize == 0) {
s32 bytesRead = groupHandle->Read(pGroupBuffer, groupHandle->GetSize());
if (bytesRead < 0) {
mStream = NULL;
return NULL;
}
} else {
u8* pReadPtr = static_cast<u8*>(pGroupBuffer);
u32 bytesLeft = groupHandle->GetSize();
while (bytesLeft) {
s32 bytesRead =
groupHandle->Read(pReadPtr, ut::Min(blockSize, bytesLeft));
if (bytesRead < 0) {
mStream = NULL;
return NULL;
}
if (bytesLeft > bytesRead) {
bytesLeft -= bytesRead;
pReadPtr += bytesRead;
} else {
bytesLeft = 0;
}
}
}
mStream = NULL;
SoundArchive::GroupInfo groupInfo;
if (!mArc.detail_ReadGroupInfo(id, &groupInfo)) {
return NULL;
}
if (groupInfo.waveDataSize != 0) {
FileStreamHandle waveHandle(mArc.detail_OpenGroupWaveDataStream(
id, mStreamArea, sizeof(mStreamArea)));
if (!waveHandle) {
return NULL;
}
if (!waveHandle->CanSeek() || !waveHandle->CanRead()) {
return NULL;
}
void* pWaveBuffer = pAllocatable->Alloc(waveHandle->GetSize());
if (pWaveBuffer == NULL) {
return NULL;
}
mStream = waveHandle.GetFileStream();
if (blockSize == 0) {
s32 bytesRead =
waveHandle->Read(pWaveBuffer, waveHandle->GetSize());
if (bytesRead < 0) {
mStream = NULL;
return NULL;
}
} else {
u8* pReadPtr = static_cast<u8*>(pWaveBuffer);
u32 bytesLeft = waveHandle->GetSize();
while (bytesLeft) {
s32 bytesRead =
waveHandle->Read(pReadPtr, ut::Min(blockSize, bytesLeft));
if (bytesRead < 0) {
mStream = NULL;
return NULL;
}
if (bytesLeft > bytesRead) {
bytesLeft -= bytesRead;
pReadPtr += bytesRead;
} else {
bytesLeft = 0;
}
}
}
mStream = NULL;
if (ppWaveBuffer != NULL) {
*ppWaveBuffer = pWaveBuffer;
}
} else if (ppWaveBuffer != NULL) {
*ppWaveBuffer = NULL;
}
return pGroupBuffer;
}
s32 SoundArchiveLoader::ReadFile(u32 id, void *dst, s32 size, s32 offset) {
ut::detail::AutoLock<OSMutex> lock(mMutex);
FileStreamHandle fileHandle(mArc.detail_OpenFileStream(id, mStreamArea, sizeof(mStreamArea)));
if (!fileHandle)
return -1;
if (!fileHandle->CanSeek() || !fileHandle->CanRead())
return -1;
fileHandle->Seek(offset, ut::FileStream::SEEKORG_BEG);
mStream = fileHandle.GetFileStream();
s32 read = mStream->Read(dst, ut::RoundUp(size, 32));
mStream = NULL;
if (read < 0)
return -1;
return size;
}
void *SoundArchiveLoader::LoadFile(u32 id, SoundMemoryAllocatable* pAllocatable) {
SoundArchive::FileInfo info;
if (!mArc.detail_ReadFileInfo(id, &info))
return NULL;
u32 size = info.fileSize;
if (size == 0)
return NULL;
void *buf = pAllocatable->Alloc(size);
if (buf == NULL)
return NULL;
if (ReadFile(id, buf, size, 0) != size) {
return NULL;
}
DCStoreRange(buf, size);
return buf;
}
} // namespace detail
} // namespace snd
} // namespace nw4r
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