std::unique_ptr<FifoDataFile> FifoDataFile::Load(const std::string& filename, bool flagsOnly)
{
File::IOFile file;
file.Open(filename, "rb");
if (!file)
return nullptr;
FileHeader header;
file.ReadBytes(&header, sizeof(header));
if (header.fileId != FILE_ID || header.min_loader_version > VERSION_NUMBER)
{
file.Close();
return nullptr;
}
auto dataFile = std::make_unique<FifoDataFile>();
dataFile->m_Flags = header.flags;
dataFile->m_Version = header.file_version;
if (flagsOnly)
{
file.Close();
return dataFile;
}
u32 size = std::min<u32>(BP_MEM_SIZE, header.bpMemSize);
file.Seek(header.bpMemOffset, SEEK_SET);
file.ReadArray(dataFile->m_BPMem, size);
size = std::min<u32>(CP_MEM_SIZE, header.cpMemSize);
file.Seek(header.cpMemOffset, SEEK_SET);
file.ReadArray(dataFile->m_CPMem, size);
size = std::min<u32>(XF_MEM_SIZE, header.xfMemSize);
file.Seek(header.xfMemOffset, SEEK_SET);
file.ReadArray(dataFile->m_XFMem, size);
size = std::min<u32>(XF_REGS_SIZE, header.xfRegsSize);
file.Seek(header.xfRegsOffset, SEEK_SET);
file.ReadArray(dataFile->m_XFRegs, size);
// Texture memory saving was added in version 4.
std::memset(dataFile->m_TexMem, 0, TEX_MEM_SIZE);
if (dataFile->m_Version >= 4)
{
size = std::min<u32>(TEX_MEM_SIZE, header.texMemSize);
file.Seek(header.texMemOffset, SEEK_SET);
file.ReadArray(dataFile->m_TexMem, size);
}
// Read frames
for (u32 i = 0; i < header.frameCount; ++i)
{
u64 frameOffset = header.frameListOffset + (i * sizeof(FileFrameInfo));
file.Seek(frameOffset, SEEK_SET);
FileFrameInfo srcFrame;
file.ReadBytes(&srcFrame, sizeof(FileFrameInfo));
FifoFrameInfo dstFrame;
dstFrame.fifoData.resize(srcFrame.fifoDataSize);
dstFrame.fifoStart = srcFrame.fifoStart;
dstFrame.fifoEnd = srcFrame.fifoEnd;
file.Seek(srcFrame.fifoDataOffset, SEEK_SET);
file.ReadBytes(dstFrame.fifoData.data(), srcFrame.fifoDataSize);
ReadMemoryUpdates(srcFrame.memoryUpdatesOffset, srcFrame.numMemoryUpdates,
dstFrame.memoryUpdates, file);
dataFile->AddFrame(dstFrame);
}
file.Close();
return dataFile;
}
bool FifoDataFile::Save(const char *filename)
{
File::IOFile file;
if (!file.Open(filename, "wb"))
return false;
// Add space for header
PadFile(sizeof(FileHeader), file);
// Add space for frame list
u64 frameListOffset = file.Tell();
PadFile(m_Frames.size() * sizeof(FileFrameInfo), file);
u64 bpMemOffset = file.Tell();
file.WriteArray(m_BPMem, BP_MEM_SIZE);
u64 cpMemOffset = file.Tell();
file.WriteArray(m_CPMem, CP_MEM_SIZE);
u64 xfMemOffset = file.Tell();
file.WriteArray(m_XFMem, XF_MEM_SIZE);
u64 xfRegsOffset = file.Tell();
file.WriteArray(m_XFRegs, XF_REGS_SIZE);
// Write header
FileHeader header;
header.fileId = FILE_ID;
header.file_version = VERSION_NUMBER;
header.min_loader_version = MIN_LOADER_VERSION;
header.bpMemOffset = bpMemOffset;
header.bpMemSize = BP_MEM_SIZE;
header.cpMemOffset = cpMemOffset;
header.cpMemSize = CP_MEM_SIZE;
header.xfMemOffset = xfMemOffset;
header.xfMemSize = XF_MEM_SIZE;
header.xfRegsOffset = xfRegsOffset;
header.xfRegsSize = XF_REGS_SIZE;
header.frameListOffset = frameListOffset;
header.frameCount = (u32)m_Frames.size();
header.flags = m_Flags;
file.Seek(0, SEEK_SET);
file.WriteBytes(&header, sizeof(FileHeader));
// Write frames list
for (unsigned int i = 0; i < m_Frames.size(); ++i)
{
const FifoFrameInfo &srcFrame = m_Frames[i];
// Write FIFO data
file.Seek(0, SEEK_END);
u64 dataOffset = file.Tell();
file.WriteBytes(srcFrame.fifoData, srcFrame.fifoDataSize);
u64 memoryUpdatesOffset = WriteMemoryUpdates(srcFrame.memoryUpdates, file);
FileFrameInfo dstFrame;
dstFrame.fifoDataSize = srcFrame.fifoDataSize;
dstFrame.fifoDataOffset = dataOffset;
dstFrame.fifoStart = srcFrame.fifoStart;
dstFrame.fifoEnd = srcFrame.fifoEnd;
dstFrame.memoryUpdatesOffset = memoryUpdatesOffset;
dstFrame.numMemoryUpdates = (u32)srcFrame.memoryUpdates.size();
// Write frame info
u64 frameOffset = frameListOffset + (i * sizeof(FileFrameInfo));
file.Seek(frameOffset, SEEK_SET);
file.WriteBytes(&dstFrame, sizeof(FileFrameInfo));
}
if (!file.Close())
return false;
return true;
}
void StopTrace()
{
tracefile.Close();
}
FifoDataFile *FifoDataFile::Load(const std::string &filename, bool flagsOnly)
{
File::IOFile file;
file.Open(filename, "rb");
if (!file)
return nullptr;
FileHeader header;
file.ReadBytes(&header, sizeof(header));
if (header.fileId != FILE_ID || header.min_loader_version > VERSION_NUMBER)
{
file.Close();
return nullptr;
}
FifoDataFile* dataFile = new FifoDataFile;
dataFile->m_Flags = header.flags;
if (flagsOnly)
{
file.Close();
return dataFile;
}
u32 size = std::min((u32)BP_MEM_SIZE, header.bpMemSize);
file.Seek(header.bpMemOffset, SEEK_SET);
file.ReadArray(dataFile->m_BPMem, size);
size = std::min((u32)CP_MEM_SIZE, header.cpMemSize);
file.Seek(header.cpMemOffset, SEEK_SET);
file.ReadArray(dataFile->m_CPMem, size);
size = std::min((u32)XF_MEM_SIZE, header.xfMemSize);
file.Seek(header.xfMemOffset, SEEK_SET);
file.ReadArray(dataFile->m_XFMem, size);
size = std::min((u32)XF_REGS_SIZE, header.xfRegsSize);
file.Seek(header.xfRegsOffset, SEEK_SET);
file.ReadArray(dataFile->m_XFRegs, size);
// Read frames
for (u32 i = 0; i < header.frameCount; ++i)
{
u64 frameOffset = header.frameListOffset + (i * sizeof(FileFrameInfo));
file.Seek(frameOffset, SEEK_SET);
FileFrameInfo srcFrame;
file.ReadBytes(&srcFrame, sizeof(FileFrameInfo));
FifoFrameInfo dstFrame;
dstFrame.fifoData = new u8[srcFrame.fifoDataSize];
dstFrame.fifoDataSize = srcFrame.fifoDataSize;
dstFrame.fifoStart = srcFrame.fifoStart;
dstFrame.fifoEnd = srcFrame.fifoEnd;
file.Seek(srcFrame.fifoDataOffset, SEEK_SET);
file.ReadBytes(dstFrame.fifoData, srcFrame.fifoDataSize);
ReadMemoryUpdates(srcFrame.memoryUpdatesOffset, srcFrame.numMemoryUpdates, dstFrame.memoryUpdates, file);
dataFile->AddFrame(dstFrame);
}
file.Close();
return dataFile;
}
