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#include "nw4r/snd/snd_MemorySoundArchive.h"
/* Original source:
* kiwi515/ogws
* src/nw4r/snd/snd_MemorySoundArchive.cpp
*/
/*******************************************************************************
* headers
*/
#include <cstring> // std::memcpy
#include <new>
#include "common.h"
#include "nw4r/snd/snd_SoundArchive.h"
#include "nw4r/snd/snd_SoundArchiveFile.h" // SoundArchiveFileReader
#include "nw4r/ut/ut_FileStream.h"
#include "nw4r/ut/ut_algorithm.h"
#include "nw4r/ut/ut_RuntimeTypeInfo.h" // IWYU pragma: keep (need the complete type)
#include "nw4r/NW4RAssert.hpp"
/*******************************************************************************
* functions
*/
namespace nw4r { namespace snd {
MemorySoundArchive::MemorySoundArchive() :
mData (nullptr)
{
}
MemorySoundArchive::~MemorySoundArchive() {}
bool MemorySoundArchive::Setup(void const *soundArchiveData)
{
NW4RAssertPointerNonnull_Line(65, soundArchiveData);
NW4RAssertAligned_Line(66, soundArchiveData, 4);
mFileReader.Init(soundArchiveData);
SoundArchive::Setup(&mFileReader);
void const *infoChunk =
ut::AddOffsetToPtr(soundArchiveData, mFileReader.GetInfoChunkOffset());
mFileReader.SetInfoChunk(infoChunk, mFileReader.GetInfoChunkSize());
void const *stringChunk = ut::AddOffsetToPtr(
soundArchiveData, mFileReader.GetLabelStringChunkOffset());
mFileReader.SetStringChunk(stringChunk,
mFileReader.GetLabelStringChunkSize());
mData = soundArchiveData;
return true;
}
void MemorySoundArchive::Shutdown()
{
mData = nullptr;
SoundArchive::Shutdown();
}
void const *MemorySoundArchive::detail_GetFileAddress(u32 fileId) const
{
SoundArchive::FilePos filePos;
if (!detail_ReadFilePos(fileId, 0, &filePos))
return nullptr;
SoundArchive::GroupInfo groupInfo;
if (!detail_ReadGroupInfo(filePos.groupId, &groupInfo))
return nullptr;
SoundArchive::GroupItemInfo itemInfo;
if (!detail_ReadGroupItemInfo(filePos.groupId, filePos.index, &itemInfo))
return nullptr;
if (groupInfo.extFilePath)
return nullptr;
return ut::AddOffsetToPtr(mData, groupInfo.offset + itemInfo.offset);
}
void const *MemorySoundArchive::detail_GetWaveDataFileAddress(u32 fileId) const
{
SoundArchive::FilePos filePos;
if (!detail_ReadFilePos(fileId, 0, &filePos))
return nullptr;
SoundArchive::GroupInfo groupInfo;
if (!detail_ReadGroupInfo(filePos.groupId, &groupInfo))
return nullptr;
SoundArchive::GroupItemInfo itemInfo;
if (!detail_ReadGroupItemInfo(filePos.groupId, filePos.index, &itemInfo))
return nullptr;
if (groupInfo.extFilePath)
return nullptr;
return ut::AddOffsetToPtr(mData, groupInfo.waveDataOffset
+ itemInfo.waveDataOffset);
}
ut::FileStream *MemorySoundArchive::OpenStream(void *buffer, int size,
u32 begin, u32 length) const
{
if (!mData)
return nullptr;
if (size < sizeof(MemoryFileStream))
return nullptr;
return new (buffer)
MemoryFileStream(ut::AddOffsetToPtr(mData, begin), length);
}
ut::FileStream *MemorySoundArchive::OpenExtStream(void *, int, char const *,
u32, u32) const
{
NW4RWarningMessage_Line(187,
"Cannot OpenExtStream for MemorySoundArchive\n");
return nullptr;
}
int MemorySoundArchive::detail_GetRequiredStreamBufferSize() const
{
return sizeof(MemoryFileStream);
}
MemorySoundArchive::MemoryFileStream::MemoryFileStream(void const *buffer,
u32 size) :
mBuffer (buffer),
mSize (size),
mPosition (0)
{
}
void MemorySoundArchive::MemoryFileStream::Close()
{
mBuffer = nullptr;
mSize = 0;
mPosition = 0;
}
s32 MemorySoundArchive::MemoryFileStream::Read(void *buf, u32 length)
{
s32 readBytes = ut::Min(length, mSize - mPosition);
std::memcpy(buf, ut::AddOffsetToPtr(mBuffer, mPosition), readBytes);
return readBytes;
}
void MemorySoundArchive::MemoryFileStream::Seek(s32 offset, u32 origin)
{
switch (origin)
{
case FileStream::SEEK_ORIGIN_SET:
mPosition = offset;
break;
case FileStream::SEEK_ORIGIN_CUR:
mPosition += offset;
break;
case FileStream::SEEK_ORIGIN_END:
mPosition = mSize - offset;
break;
default:
NW4RPanicMessage_Line(234, "Unsupported Seek origin");
return;
}
}
}} // namespace nw4r::snd
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