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finish hdr1 dep read

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This commit is contained in:
yyc12345
2023-02-14 21:31:18 +08:00
parent 2a6cd48ac9
commit 01bc6074f4
18 changed files with 144 additions and 836 deletions
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10
LibCmo/VTConstants.hpp
View File

@@ -193,6 +193,16 @@ namespace LibCmo {
CK_FO_REPLACEOBJECT,
CK_FO_DONTLOADOBJECT
};
enum class CK_PLUGIN_TYPE : int32_t {
CKPLUGIN_BITMAP_READER = 0,
CKPLUGIN_SOUND_READER = 1,
CKPLUGIN_MODEL_READER = 2,
CKPLUGIN_MANAGER_DLL = 3,
CKPLUGIN_BEHAVIOR_DLL = 4,
CKPLUGIN_RENDERENGINE_DLL = 5,
CKPLUGIN_MOVIE_READER = 6,
CKPLUGIN_EXTENSION_DLL = 7
};
}

120
LibCmo/VTReader.cpp
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@@ -23,9 +23,11 @@ namespace LibCmo {
if (u8_filename == nullptr) return CKERROR::CKERR_INVALIDPARAMETER;
this->m_FileName = u8_filename;
this->m_MappedFile = new VxMemoryMappedFile(this->m_FileName.c_str());
this->m_MappedFile = new(std::nothrow) VxMemoryMappedFile(this->m_FileName.c_str());
if (this->m_MappedFile == nullptr) return CKERROR::CKERR_OUTOFMEMORY;
if (!this->m_MappedFile->IsValid()) return CKERROR::CKERR_INVALIDFILE;
// MARK: CKContext::SetLastCmoLoaded
return this->OpenMemory(this->m_MappedFile->GetBase(), this->m_MappedFile->GetFileSize(), flags);
}
@@ -34,8 +36,11 @@ namespace LibCmo {
// compare magic words
if (BufferSize < 0x20 || memcmp(MemoryBuffer, "Nemo", 4u)) return CKERROR::CKERR_INVALIDFILE;
this->m_Parser = new CKBufferParser(MemoryBuffer, BufferSize, false);
this->m_Parser = new(std::nothrow) CKBufferParser(MemoryBuffer, BufferSize, false);
if (this->m_Parser == nullptr) return CKERROR::CKERR_OUTOFMEMORY;
// MARK: eliminate check of m_Parser->m_ReaderBegin
// MARK: dword_2405F6C0 = 0;
this->m_Flags = Flags;
this->m_IndexByClassId.resize(static_cast<size_t>(CK_CLASSID::CKCID_MAXCLASSID));
return this->ReadFileHeaders(&(this->m_Parser));
@@ -49,8 +54,7 @@ namespace LibCmo {
CKDWORD fhdr1[8];
CKDWORD fhdr2[8];
if (parser->GetSize() < sizeof(fhdr1)) return CKERROR::CKERR_INVALIDFILE;
memcpy(fhdr1, parser->GetPtr(), sizeof(fhdr1));
parser->MoveCursor(sizeof(fhdr1));
parser->ReadAndMove(fhdr1, sizeof(fhdr1));
if (fhdr1[5]) { // it seems that there is a ZERO checker?
memset(fhdr1, 0, sizeof(fhdr1));
@@ -64,8 +68,7 @@ namespace LibCmo {
memset(fhdr2, 0, sizeof(fhdr2));
} else {
if (parser->GetSize() < sizeof(fhdr1) + sizeof(fhdr2)) return CKERROR::CKERR_INVALIDFILE;
memcpy(fhdr2, parser->GetPtr(), sizeof(fhdr2));
parser->MoveCursor(sizeof(fhdr2));
parser->ReadAndMove(fhdr2, sizeof(fhdr2));
}
// forcely reset too big product ver
@@ -111,7 +114,11 @@ namespace LibCmo {
// compare size to decide wheher use compress feature
void* decomp_buffer = CKUnPackData(this->m_FileInfo.Hdr1UnPackSize, parser->GetPtr(), this->m_FileInfo.Hdr1PackSize);
if (decomp_buffer != nullptr) {
parser = new CKBufferParser(decomp_buffer, this->m_FileInfo.Hdr1UnPackSize, true);
parser = new(std::nothrow) CKBufferParser(decomp_buffer, this->m_FileInfo.Hdr1UnPackSize, true);
if (parser == nullptr) {
free(decomp_buffer);
return CKERROR::CKERR_OUTOFMEMORY;
}
}
}
@@ -124,31 +131,100 @@ namespace LibCmo {
this->m_FileObject.resize(this->m_FileInfo.ObjectCount);
// read data
for (auto it = this->m_FileObject.begin(); it != this->m_FileObject.end(); ++it) {
CKFileObject* fileobj = &(*it);
for (auto& fileobj : this->m_FileObject) {
// setup useless fields
fileobj->ObjPtr = nullptr;
fileobj->Data = nullptr;
fileobj.ObjPtr = nullptr;
fileobj.Data = nullptr;
// read basic fields
memcpy(&(fileobj->Object), parser->GetPtr(), sizeof(CK_ID));
parser->MoveCursor(sizeof(CK_ID));
memcpy(&(fileobj->ObjectCid), parser->GetPtr(), sizeof(CK_CLASSID));
parser->MoveCursor(sizeof(CK_CLASSID));
memcpy(&(fileobj->FileIndex), parser->GetPtr(), sizeof(CKDWORD));
parser->MoveCursor(sizeof(CKDWORD));
parser->ReadAndMove(&(fileobj.Object), sizeof(CK_ID));
parser->ReadAndMove(&(fileobj.ObjectCid), sizeof(CK_CLASSID));
parser->ReadAndMove(&(fileobj.FileIndex), sizeof(CKDWORD));
CKDWORD namelen;
memcpy(&namelen, parser->GetPtr(), sizeof(CKDWORD));
parser->MoveCursor(sizeof(CKDWORD));
parser->ReadAndMove(&namelen, sizeof(CKDWORD));
if (namelen != 0) {
fileobj->Name.resize(namelen);
memcpy(fileobj->Name.data(), parser->GetPtr(), namelen);
parser->MoveCursor(namelen);
fileobj.Name.resize(namelen);
parser->ReadAndMove(fileobj.Name.data(), namelen);
}
}
}
// ========== dep list read ==========
// file ver >= 8 have this feature
bool noDepLost = true;
if (this->m_FileInfo.FileVersion >= 8) {
// get size and resize
CKDWORD depSize;
parser->ReadAndMove(&depSize, sizeof(CKDWORD));
this->m_PluginDep.resize(depSize);
CKDWORD guid_size;
for (auto& dep : this->m_PluginDep) {
// read category
parser->ReadAndMove(&(dep.m_PluginCategory), sizeof(CK_PLUGIN_TYPE));
// get size and resize
parser->ReadAndMove(&guid_size, sizeof(CKDWORD));
dep.m_Guids.resize(guid_size);
dep.ValidGuids.resize(guid_size);
// read data
if (guid_size != 0) {
parser->ReadAndMove(dep.m_Guids.data(), sizeof(CKGUID)* guid_size);
}
// extra load flag
if (EnumHelper::FlagEnumHas(this->m_Flags, CK_LOAD_FLAGS::CK_LOAD_CHECKDEPENDENCIES)) {
for (size_t i = 0u; i < dep.m_Guids.size(); ++i) {
// MARK: CKPluginManager::FindComponent
bool plgEntryIsNull = true;
if (plgEntryIsNull) {
noDepLost = false;
dep.ValidGuids[i] = false;
} else {
dep.ValidGuids[i] = true;
}
}
}
}
}
// ========== included file list read ==========
// file ver >= 8 have this feature
if (this->m_FileInfo.FileVersion >= 8) {
// MARK: i don't knwo what is this!
int32_t unknowIncludedFileFlag;
parser->ReadAndMove(&unknowIncludedFileFlag, sizeof(int32_t));
if (unknowIncludedFileFlag > 0) {
// read included file size and resize
CKDWORD includedFileCount;
parser->ReadAndMove(&includedFileCount, sizeof(CKDWORD));
this->m_IncludedFiles.resize(includedFileCount);
unknowIncludedFileFlag -= 4;
}
// backward pos
parser->SetCursor(unknowIncludedFileFlag);
}
// ========== read data ==========
// restore old parser if needed
if (parser != *ParserPtr) {
delete parser;
parser = *ParserPtr;
parser->MoveCursor(this->m_FileInfo.Hdr1PackSize);
}
// MARK: dword_2405F6BC, dword_2405F6B8 set
if (!(EnumHelper::FlagEnumHas(this->m_Flags, CK_LOAD_FLAGS::CK_LOAD_CHECKDEPENDENCIES) &&
this->m_FileInfo.FileVersion < 8)) {
// we have read all header. return result
return noDepLost ? CKERROR::CKERR_OK : CKERROR::CKERR_PLUGINSMISSING;
} // however, if we need check dep, and, we have not read dep list. continue read them.
return CKERROR::CKERR_OK;
}

4
LibCmo/VTStruct.cpp
View File

@@ -96,7 +96,7 @@ namespace LibCmo {
// write member data
m_pMemoryMappedFileBase = m_hFileMapView;
m_cbFile = static_cast<size_t>(m_dwFileSizeLow) | (static_cast<size_t>(m_dwFileSizeHigh) << 32);
m_cbFile = static_cast<size_t>(static_cast<uint64_t>(m_dwFileSizeLow) | (static_cast<uint64_t>(m_dwFileSizeHigh) << 32));
#else
#error NO IMPLEMENTATION FOR LINUX MMAP!
@@ -142,7 +142,7 @@ namespace LibCmo {
#pragma region CKFile Misc
CKFile::CKFile(const Utils::VirtoolsContext& cfg) :
CKFile::CKFile(const Utils::VirtoolsEnvironment& cfg) :
m_Parser(nullptr), m_MappedFile(nullptr),
m_UserCfg(cfg) {
;

10
LibCmo/VTStruct.hpp
View File

@@ -67,6 +67,10 @@ namespace LibCmo {
~CKBufferParser();
inline const void* GetPtr(void) { return (this->m_ReaderBegin + m_ReaderPos); }
inline void ReadAndMove(void* data, size_t data_size) {
memcpy(data, (this->m_ReaderBegin + m_ReaderPos), data_size);
this->m_ReaderPos += data_size;
}
inline size_t GetSize(void) { return this->m_ReaderSize; }
inline void MoveCursor(size_t off) { this->m_ReaderPos += off; }
inline void SetCursor(size_t off) { this->m_ReaderPos = off; }
@@ -104,14 +108,14 @@ namespace LibCmo {
};
struct CKFilePluginDependencies {
CKDWORD m_PluginCategory;
CK_PLUGIN_TYPE m_PluginCategory;
XArray<CKGUID> m_Guids;
XBitArray ValidGuids;
};
class CKFile {
public:
CKFile(const Utils::VirtoolsContext& cfg);
CKFile(const Utils::VirtoolsEnvironment& cfg);
CKFile(const CKFile&) = delete;
CKFile& operator=(const CKFile&) = delete;
~CKFile();
@@ -141,7 +145,7 @@ namespace LibCmo {
bool m_ReadFileDataDone;
private:
Utils::VirtoolsContext m_UserCfg;
Utils::VirtoolsEnvironment m_UserCfg;
};
}

4
LibCmo/VTUtils.hpp
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@@ -46,9 +46,9 @@
namespace LibCmo {
namespace Utils {
struct VirtoolsContext {
struct VirtoolsEnvironment {
std::string NameEncoding;
std::string TempFolder;
};
}