uint32 CIoman::Seek(uint32 handle, uint32 position, uint32 whence)
{
CLog::GetInstance().Print(LOG_NAME, "Seek(handle = %d, position = 0x%X, whence = %d);\r\n",
handle, position, whence);
uint32 result = 0xFFFFFFFF;
try
{
Framework::CStream* stream = GetFileStream(handle);
switch(whence)
{
case SEEK_DIR_SET:
whence = Framework::STREAM_SEEK_SET;
break;
case SEEK_DIR_CUR:
whence = Framework::STREAM_SEEK_CUR;
break;
case SEEK_DIR_END:
whence = Framework::STREAM_SEEK_END;
break;
}
stream->Seek(position, static_cast<Framework::STREAM_SEEK_DIRECTION>(whence));
result = static_cast<uint32>(stream->Tell());
}
catch(const std::exception& except)
{
CLog::GetInstance().Print(LOG_NAME, "%s: Error occured while trying to seek file : %s\r\n", __FUNCTION__, except.what());
}
return result;
}
void CContainerChunk::LoadChildren(Framework::CStream& inputStream)
{
for(uint32 i = 0; i < m_childrenCount; i++)
{
uint64 baseOffset = inputStream.Tell();
auto chunk = CChunkLoader::Load(shared_from_this(), inputStream);
AddChild(chunk);
uint64 nextOffset = baseOffset + chunk->GetNextChunkOffset();
inputStream.Seek(nextOffset, Framework::STREAM_SEEK_SET);
}
}
void CDialog::WriteDialogTemplate(DIALOGTEMPLATE& dialog, Framework::CStream& stream)
{
stream.Write16(dialog.dlgVer);
stream.Write16(dialog.signature);
stream.Write32(dialog.helpID);
stream.Write32(dialog.exStyle);
stream.Write32(dialog.style);
stream.Write16(dialog.cDlgItems);
stream.Write16(dialog.x);
stream.Write16(dialog.y);
stream.Write16(dialog.cx);
stream.Write16(dialog.cy);
WriteSzOrOrd(dialog.menu, stream);
WriteSzOrOrd(dialog.windowClass, stream);
WriteString(dialog.title, stream);
stream.Write16(dialog.pointsize);
stream.Write16(dialog.weight);
stream.Write8(dialog.italic);
stream.Write8(dialog.charset);
WriteString(dialog.typeface, stream);
//Pad struct for alignment to DWORD boundary
{
auto currentBytePos = stream.Tell() & 0x3;
if(currentBytePos != 0)
{
for(unsigned int i = 0; i < (4 - currentBytePos); i++)
{
stream.Write8(0);
}
}
assert((stream.Tell() & 0x03) == 0);
}
if(!dialog.dialogItemData.empty())
{
stream.Write(dialog.dialogItemData.data(), dialog.dialogItemData.size());
}
}
CDialog::DIALOGTEMPLATE CDialog::ReadDialogTemplate(Framework::CStream& stream)
{
DIALOGTEMPLATE dialog;
dialog.dlgVer = stream.Read16();
dialog.signature = stream.Read16();
assert(dialog.dlgVer == 1);
assert(dialog.signature == 0xFFFF);
dialog.helpID = stream.Read32();
dialog.exStyle = stream.Read32();
dialog.style = stream.Read32();
dialog.cDlgItems = stream.Read16();
dialog.x = stream.Read16();
dialog.y = stream.Read16();
dialog.cx = stream.Read16();
dialog.cy = stream.Read16();
assert((stream.Tell() & 0x01) == 0);
dialog.menu = ReadSzOrOrd(stream);
assert((stream.Tell() & 0x01) == 0);
dialog.windowClass = ReadSzOrOrd(stream);
assert((stream.Tell() & 0x01) == 0);
dialog.title = ReadString(stream);
dialog.pointsize = stream.Read16();
dialog.weight = stream.Read16();
dialog.italic = stream.Read8();
dialog.charset = stream.Read8();
assert((stream.Tell() & 0x01) == 0);
dialog.typeface = ReadString(stream);
//Struct has padding for alignment to DWORD boundary (only if there's other items to read)
if(stream.GetRemainingLength() != 0)
{
auto currentBytePos = stream.Tell() & 0x3;
if(currentBytePos != 0)
{
stream.Seek(4 - currentBytePos, Framework::STREAM_SEEK_CUR);
}
assert((stream.Tell() & 0x03) == 0);
}
uint32 itemDataLength = static_cast<uint32>(stream.GetRemainingLength());
if(itemDataLength != 0)
{
dialog.dialogItemData.resize(itemDataLength);
stream.Read(&dialog.dialogItemData[0], itemDataLength);
}
return dialog;
}
void CResourceSection::Read(Framework::CStream& inputStream)
{
CBaseSection::Read(inputStream);
SEDBRES_HEADER header = {};
inputStream.Read(&header, sizeof(SEDBRES_HEADER));
std::vector<SEDBRES_ENTRY> entries;
entries.resize(header.resourceCount);
inputStream.Read(entries.data(), header.resourceCount * sizeof(SEDBRES_ENTRY));
uint64 basePosition = inputStream.Tell();
assert(header.resourceCount >= 2);
const auto& resourceTypeEntry = entries[header.resourceCount - 2];
const auto& resourceIdEntry = entries[header.resourceCount - 1];
std::vector<uint32> resourceTypes;
resourceTypes.resize(header.resourceCount);
inputStream.Seek(basePosition + resourceTypeEntry.offset, Framework::STREAM_SEEK_SET);
inputStream.Read(resourceTypes.data(), sizeof(uint32) * header.resourceCount);
//Read resource ids
std::vector<std::string> resourceIds;
for(unsigned int i = 0; i < header.resourceCount; i++)
{
inputStream.Seek(basePosition + resourceIdEntry.offset + (i * 0x10), Framework::STREAM_SEEK_SET);
resourceIds.push_back(inputStream.ReadString());
}
//Read string table
inputStream.Seek(basePosition + header.stringsOffset, Framework::STREAM_SEEK_SET);
std::vector<std::string> strings;
for(unsigned int i = 0; i < header.stringCount; i++)
{
strings.push_back(inputStream.ReadString());
}
for(unsigned int i = 0; i < header.resourceCount; i++)
{
const auto& entry = entries[i];
if(entry.type == 0 || entry.size == 0) continue;
uint32 resourceType = resourceTypes[i];
inputStream.Seek(basePosition + entry.offset, Framework::STREAM_SEEK_SET);
SectionPtr section;
switch(resourceType)
{
case '\0trb':
case '\0bin':
section = std::make_shared<CResourceSection>();
break;
case 'sdrb':
section = std::make_shared<CShaderSection>();
break;
case '\0wrb':
section = std::make_shared<CModelSection>();
break;
case '\0skl':
section = std::make_shared<CSkeletonSection>();
break;
case '\0phb':
section = std::make_shared<CPhbSection>();
break;
case '\0txb':
section = std::make_shared<CTextureSection>();
break;
default:
assert(0);
break;
}
if(section)
{
AddChild(section);
section->Read(inputStream);
section->SetResourceId(resourceIds[i]);
section->SetResourcePath(strings[i]);
}
}
inputStream.Seek(basePosition, Framework::STREAM_SEEK_SET);
}
