yyc12345
3195a9682f
- finish spec fmt image writer and raw bitmap writer. - fix a possible fatal issue in ReadBuffer(). return nullptr simply rather than allocate a blank buf. otherwise the process of use nullptr to check result will be broken. - add CanSaveAlpha() method in CKBitmapHandler.
521 lines
14 KiB
C++
521 lines
14 KiB
C++
#include "CKStateChunk.hpp"
|
|
#include "CKFile.hpp"
|
|
#include "CKContext.hpp"
|
|
|
|
namespace LibCmo::CK2 {
|
|
|
|
void CKStateChunk::StartRead(void) {
|
|
if (this->m_Parser.m_Status != CKStateChunkStatus::IDLE) return;
|
|
|
|
this->m_Parser.m_CurrentPos = 0u;
|
|
this->m_Parser.m_DataSize = this->m_DataDwSize;
|
|
this->m_Parser.m_PrevIdentifierPos = 0u;
|
|
this->m_Parser.m_Status = CKStateChunkStatus::READ;
|
|
}
|
|
|
|
void CKStateChunk::StopRead(void) {
|
|
if (this->m_Parser.m_Status != CKStateChunkStatus::READ) return;
|
|
|
|
this->m_Parser.m_CurrentPos = 0u;
|
|
this->m_Parser.m_DataSize = this->m_DataDwSize;
|
|
this->m_Parser.m_PrevIdentifierPos = 0u;
|
|
this->m_Parser.m_Status = CKStateChunkStatus::IDLE;
|
|
}
|
|
|
|
/* ========== Identifier Functions ==========*/
|
|
|
|
bool CKStateChunk::SeekIdentifierDword(CKDWORD identifier) {
|
|
CKDWORD cache;
|
|
return SeekIdentifierDwordAndReturnSize(identifier, &cache);
|
|
}
|
|
|
|
bool CKStateChunk::SeekIdentifierDwordAndReturnSize(CKDWORD identifier, CKDWORD* out_size) {
|
|
if (this->m_Parser.m_Status != CKStateChunkStatus::READ) return false;
|
|
|
|
CKDWORD pos = 0u;
|
|
if (this->m_DataDwSize < 2u) return false; // impossible to have a identifier
|
|
|
|
// search identifier
|
|
while (this->m_pData[pos] != identifier) {
|
|
pos = this->m_pData[pos + 1];
|
|
if (pos == 0u) return false; // got tail. no more identifier
|
|
if (pos + 1 >= this->m_DataDwSize) return false; // out of buffer
|
|
}
|
|
|
|
// got identifier
|
|
this->m_Parser.m_PrevIdentifierPos = pos;
|
|
this->m_Parser.m_CurrentPos = pos + 2;
|
|
|
|
// calc size
|
|
CKDWORD nextptr = this->m_pData[pos + 1];
|
|
if (nextptr == 0) {
|
|
// the last identifier, use chunk size instead
|
|
nextptr = this->m_DataDwSize;
|
|
}
|
|
*out_size = CKSizeof(CKDWORD) * (nextptr - pos - 2u);
|
|
return true;
|
|
}
|
|
|
|
bool CKStateChunk::LockReadBuffer(const void** ppData, CKDWORD size_in_byte) {
|
|
// check self status
|
|
if (this->m_Parser.m_Status != CKStateChunkStatus::READ) return false;
|
|
// check arguments
|
|
if (ppData == nullptr) return false;
|
|
*ppData = nullptr;
|
|
|
|
// get corresponding size
|
|
CKDWORD size_in_dword = this->GetCeilDwordSize(size_in_byte);
|
|
// ensure space
|
|
if (this->EnsureReadSpace(size_in_dword)) {
|
|
*ppData = this->m_pData + this->m_Parser.m_CurrentPos;
|
|
return true;
|
|
} else {
|
|
// failed, report to context
|
|
m_BindContext->OutputToConsoleEx("CKStateChunk::LockReadBuffer at buffer pos %" PRIuCKDWORD ".", this->m_Parser.m_CurrentPos);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool CKStateChunk::UnLockReadBuffer(CKDWORD size_in_byte) {
|
|
// check self status
|
|
if (this->m_Parser.m_Status != CKStateChunkStatus::READ) return false;
|
|
|
|
// get corresponding size
|
|
CKDWORD size_in_dword = this->GetCeilDwordSize(size_in_byte);
|
|
// ensure space
|
|
if (this->EnsureReadSpace(size_in_dword)) {
|
|
this->m_Parser.m_CurrentPos += size_in_dword;
|
|
return true;
|
|
} else {
|
|
// failed, report to context
|
|
m_BindContext->OutputToConsoleEx("CKStateChunk::UnLockReadBuffer at buffer pos %" PRIuCKDWORD ".", this->m_Parser.m_CurrentPos);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
CKStateChunk::LockedReadBuffer_t CKStateChunk::LockReadBufferWrapper(CKDWORD size_in_byte) {
|
|
const void* pData = nullptr;
|
|
bool ret = LockReadBuffer(&pData, size_in_byte);
|
|
if (ret) {
|
|
return LockedReadBuffer_t(pData, LockedReadBufferDeleter(this, size_in_byte));
|
|
} else {
|
|
return LockedReadBuffer_t();
|
|
}
|
|
}
|
|
|
|
/* ========== Basic Data Read Functions ==========*/
|
|
|
|
|
|
bool CKStateChunk::ReadByteData(void* data_ptr, CKDWORD size_in_byte) {
|
|
if (data_ptr == nullptr) return false;
|
|
|
|
const void* pData = nullptr;
|
|
bool ret = LockReadBuffer(&pData, size_in_byte);
|
|
if (ret) {
|
|
std::memcpy(data_ptr, pData, size_in_byte);
|
|
UnLockReadBuffer(size_in_byte);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool CKStateChunk::ReadString(XContainer::XString* strl) {
|
|
if (strl == nullptr) return false;
|
|
|
|
// get byte based size
|
|
CKDWORD strByteSize = 0u;
|
|
if (!this->ReadStruct(strByteSize)) {
|
|
strl->clear();
|
|
return false;
|
|
}
|
|
|
|
// read data
|
|
XContainer::XString cache;
|
|
cache.resize(strByteSize);
|
|
if (!this->ReadByteData(cache.data(), strByteSize)) {
|
|
strl->clear();
|
|
return false;
|
|
}
|
|
|
|
// convert encoding
|
|
m_BindContext->GetUtf8String(cache, *strl);
|
|
return true;
|
|
}
|
|
|
|
/* ========== Complex Data Read Functions ==========*/
|
|
|
|
bool CKStateChunk::ReadObjectID(CK_ID* id) {
|
|
if (id == nullptr) return false;
|
|
|
|
// get basic value
|
|
CKDWORD gotten_id = 0;
|
|
if (!this->ReadStruct(gotten_id)) return false;
|
|
|
|
// different strategy according to chunk ver
|
|
if (this->m_ChunkVersion >= CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION1) {
|
|
// new file
|
|
|
|
// if no doc associated, return directly
|
|
if (this->m_BindFile == nullptr) {
|
|
*id = static_cast<CK_ID>(gotten_id);
|
|
return true;
|
|
}
|
|
// if it is positive, return corresponding value
|
|
if ((gotten_id & 0x80000000) == 0) {
|
|
*id = this->m_BindFile->GetFileObjectByIndex(gotten_id)->CreatedObjectId;
|
|
return true;
|
|
}
|
|
|
|
} else {
|
|
// old file
|
|
// i don't know why I need skip 2 DWORD
|
|
// just copy IDA code.
|
|
|
|
if (gotten_id) {
|
|
this->Skip(2);
|
|
return this->ReadStruct(id);
|
|
}
|
|
}
|
|
|
|
// all failed
|
|
*id = 0u;
|
|
return false;
|
|
}
|
|
|
|
bool CKStateChunk::ReadObjectPointer(ObjImpls::CKObject** obj) {
|
|
CK_ID cache;
|
|
bool ret = ReadObjectID(&cache);
|
|
if (ret) {
|
|
*obj = m_BindContext->GetObject(cache);
|
|
} else {
|
|
*obj = nullptr;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
bool CKStateChunk::ReadManagerInt(CKGUID* guid, CKINT* intval) {
|
|
if (guid == nullptr || intval == nullptr) return false;
|
|
|
|
// read guid first
|
|
if (!this->ReadStruct(guid)) return false;
|
|
// then read int value
|
|
if (!this->ReadStruct(intval)) return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
//CKStateChunk* CKStateChunk::ReadSubChunk(void) {
|
|
// CKStateChunk* subchunk = nullptr;
|
|
|
|
// // get size and do a enough space check
|
|
// CKDWORD subDwordChunkSize;
|
|
// if (!this->ReadStruct(subDwordChunkSize)) goto subchunk_defer;
|
|
// if (!this->EnsureReadSpace(subDwordChunkSize)) goto subchunk_defer;
|
|
|
|
// // create statechunk
|
|
// subchunk = new CKStateChunk(this->m_BindFile, this->m_BindContext);
|
|
|
|
// // start read data
|
|
// // read class id
|
|
// if (!this->ReadStruct(subchunk->m_ClassId)) goto subchunk_defer;
|
|
|
|
// // different read strategy by chunk version
|
|
// if (this->m_ChunkVersion >= CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION1) {
|
|
// // new file
|
|
|
|
// // read combined version
|
|
// CKDWORD versionInfo;
|
|
// if (!this->ReadStruct(versionInfo)) goto subchunk_defer;
|
|
// subchunk->m_DataVersion = static_cast<CK_STATECHUNK_DATAVERSION>(versionInfo & 0xffff);
|
|
// subchunk->m_ChunkVersion = static_cast<CK_STATECHUNK_CHUNKVERSION>((versionInfo >> 16) & 0xffff);
|
|
|
|
// // read data size and create it
|
|
// if (!this->ReadStruct(subchunk->m_DataDwSize)) goto subchunk_defer;
|
|
// subchunk->m_pData = new CKDWORD[subchunk->m_DataDwSize];
|
|
|
|
// // has bind file?
|
|
// CKDWORD hasBindFile;
|
|
// if (!this->ReadStruct(hasBindFile)) goto subchunk_defer;
|
|
// if (hasBindFile == 1) subchunk->m_BindFile = nullptr;
|
|
|
|
// // 3 list size
|
|
// // manager only existed when ver > 4
|
|
// CKDWORD lssize;
|
|
// if (!this->ReadStruct(lssize)) goto subchunk_defer;
|
|
// subchunk->m_ObjectList.resize(lssize);
|
|
// if (!this->ReadStruct(lssize)) goto subchunk_defer;
|
|
// subchunk->m_ChunkList.resize(lssize);
|
|
// if (this->m_ChunkVersion > CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION1) {
|
|
// if (!this->ReadStruct(lssize)) goto subchunk_defer;
|
|
// subchunk->m_ManagerList.resize(lssize);
|
|
// }
|
|
|
|
// // core data
|
|
// if (subchunk->m_DataDwSize != 0) {
|
|
// if (!this->ReadByteData(subchunk->m_pData, subchunk->m_DataDwSize * CKSizeof(CKDWORD))) goto subchunk_defer;
|
|
// }
|
|
|
|
// // 3 list data
|
|
// if (!subchunk->m_ObjectList.empty()) {
|
|
// if (!this->ReadByteData(
|
|
// subchunk->m_ObjectList.data(),
|
|
// static_cast<CKDWORD>(subchunk->m_ObjectList.size()) * CKSizeof(CKDWORD)
|
|
// )) goto subchunk_defer;
|
|
// }
|
|
// if (!subchunk->m_ChunkList.empty()) {
|
|
// if (!this->ReadByteData(
|
|
// subchunk->m_ChunkList.data(),
|
|
// static_cast<CKDWORD>(subchunk->m_ChunkList.size()) * CKSizeof(CKDWORD)
|
|
// )) goto subchunk_defer;
|
|
// }
|
|
// if (!subchunk->m_ManagerList.empty()) {
|
|
// if (!this->ReadByteData(
|
|
// subchunk->m_ManagerList.data(),
|
|
// static_cast<CKDWORD>(subchunk->m_ManagerList.size()) * CKSizeof(CKDWORD)
|
|
// )) goto subchunk_defer;
|
|
// }
|
|
|
|
// } else {
|
|
// // old file
|
|
|
|
// // read data size and create it
|
|
// if (!this->ReadStruct(subchunk->m_DataDwSize)) goto subchunk_defer;
|
|
// subchunk->m_pData = new CKDWORD[subchunk->m_DataDwSize];
|
|
|
|
// // skip one?
|
|
// // I don't know why
|
|
// this->Skip(1u);
|
|
|
|
// // read core buf
|
|
// if (!this->ReadByteData(subchunk->m_pData, subchunk->m_DataDwSize * CKSizeof(CKDWORD))) goto subchunk_defer;
|
|
|
|
// }
|
|
|
|
// return subchunk;
|
|
//subchunk_defer:
|
|
// if (subchunk != nullptr) delete subchunk;
|
|
// return nullptr;
|
|
//}
|
|
|
|
/* ========== Buffer Functions ==========*/
|
|
|
|
bool CKStateChunk::ReadBuffer(void** ppData, CKDWORD* size_in_byte) {
|
|
if (ppData == nullptr || size_in_byte == nullptr) return false;
|
|
*ppData = nullptr;
|
|
*size_in_byte = 0;
|
|
|
|
// read size first
|
|
if (!this->ReadStruct(size_in_byte)) {
|
|
return false;
|
|
}
|
|
|
|
// if it is empty buffer,
|
|
// simply return it but need return true to notify read okey.
|
|
if (*size_in_byte == 0) {
|
|
return true;
|
|
}
|
|
|
|
// use LockReadBuffer to get pointer
|
|
auto locker = LockReadBufferWrapper(*size_in_byte);
|
|
if (locker == nullptr) {
|
|
*size_in_byte = 0;
|
|
return false;
|
|
}
|
|
|
|
// copy data and unlock buffer
|
|
*ppData = new CKBYTE[*size_in_byte];
|
|
std::memcpy(*ppData, locker.get(), *size_in_byte);
|
|
locker.reset();
|
|
return true;
|
|
}
|
|
|
|
void CKStateChunk::DeleteBuffer(const void* buf) {
|
|
if (buf == nullptr) return;
|
|
delete[] static_cast<const CKBYTE*>(buf);
|
|
}
|
|
|
|
CKStateChunk::Buffer_t CKStateChunk::ReadBufferWrapper() {
|
|
void* cache = nullptr;
|
|
CKDWORD size = 0;
|
|
if (!ReadBuffer(&cache, &size)) {
|
|
return Buffer_t();
|
|
}
|
|
return Buffer_t(cache, BufferDeleter(this, size));
|
|
}
|
|
|
|
bool CKStateChunk::ReadAndFillBuffer(void* pData) {
|
|
if (pData == nullptr) return false;
|
|
|
|
// get buffer size.
|
|
CKDWORD size_in_byte;
|
|
if (!this->ReadStruct(size_in_byte)) {
|
|
return false;
|
|
}
|
|
|
|
// use LockReadBuffer to get pointer
|
|
// this step can process zero length buffer
|
|
// so we do not treat it specially
|
|
auto locker = LockReadBufferWrapper(size_in_byte);
|
|
if (locker == nullptr) {
|
|
return false;
|
|
}
|
|
|
|
// then copy the data
|
|
std::memcpy(pData, locker.get(), size_in_byte);
|
|
locker.reset();
|
|
return true;
|
|
}
|
|
|
|
bool CKStateChunk::ReadAndFillBuffer(void* pData, CKDWORD size_in_byte) {
|
|
if (pData == nullptr) return false;
|
|
|
|
// directly use LockReadBuffer to get pointer
|
|
auto locker = LockReadBufferWrapper(size_in_byte);
|
|
if (locker == nullptr) {
|
|
return false;
|
|
}
|
|
|
|
// then copy the data
|
|
std::memcpy(pData, locker.get(), size_in_byte);
|
|
locker.reset();
|
|
return true;
|
|
}
|
|
|
|
/* ========== Sequence Functions ==========*/
|
|
|
|
bool CKStateChunk::ReadObjectIDSequence(XContainer::XObjectArray* ls) {
|
|
if (ls == nullptr) return false;
|
|
ls->clear();
|
|
|
|
// read count
|
|
CKDWORD count;
|
|
if (!this->ReadStruct(count)) return false;
|
|
|
|
// resize list and read it
|
|
ls->resize(count);
|
|
for (size_t i = 0; i < count; ++i) {
|
|
if (!this->ReadObjectID(ls->data() + i)) {
|
|
ls->clear();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CKStateChunk::ReadManagerIntSequence(CKGUID* guid, XContainer::XArray<CKINT>* ls) {
|
|
if (guid == nullptr || ls == nullptr) return false;
|
|
|
|
// read count
|
|
CKDWORD count;
|
|
if (!this->ReadStruct(count)) return false;
|
|
|
|
// read guid
|
|
if (!this->ReadStruct(guid)) return false;
|
|
|
|
// resize list and read it
|
|
ls->resize(count);
|
|
for (size_t i = 0; i < count; ++i) {
|
|
if (!this->ReadStruct(ls->data() + i)) {
|
|
ls->clear();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//bool CKStateChunk::ReadSubChunkSequence(XContainer::XArray<CKStateChunk*>* ls) {
|
|
// if (ls == nullptr) return false;
|
|
|
|
// // clear first
|
|
// for (auto& item : *ls) {
|
|
// if (item != nullptr)
|
|
// delete (item);
|
|
// }
|
|
// ls->clear();
|
|
|
|
// // read count
|
|
// CKDWORD count;
|
|
// if (!this->ReadStruct(count)) return false;
|
|
|
|
// // resize list and read it
|
|
// ls->resize(count, nullptr);
|
|
// for (size_t i = 0; i < count; ++i) {
|
|
// (*ls)[i] = this->ReadSubChunk();
|
|
// if ((*ls)[i] == nullptr) {
|
|
// // fail. remove all created statechunk and clear it
|
|
// for (auto& item : *ls) {
|
|
// if (item != nullptr)
|
|
// delete (item);
|
|
// }
|
|
// ls->clear();
|
|
// // return
|
|
// return false;
|
|
// }
|
|
// }
|
|
|
|
// return true;
|
|
//}
|
|
|
|
bool CKStateChunk::ReadXObjectArray(XContainer::XObjectArray* ls) {
|
|
if (ls == nullptr) return false;
|
|
ls->clear();
|
|
|
|
// read count
|
|
CKDWORD count;
|
|
if (!this->ReadStruct(count)) return false;
|
|
if (count == 0) return true; // 0 size array
|
|
|
|
// old file size correction
|
|
bool old_file = this->m_ChunkVersion < CK_STATECHUNK_CHUNKVERSION::CHUNK_VERSION1;
|
|
if (old_file) {
|
|
// skip 4. but I don't know why!!!
|
|
this->Skip(4);
|
|
if (!this->ReadStruct(count)) return false;
|
|
}
|
|
|
|
// resize list and read
|
|
ls->resize(count);
|
|
for (auto& id : *ls) {
|
|
// read ID first
|
|
CKINT cache;
|
|
if (!this->ReadStruct(cache)) {
|
|
ls->clear();
|
|
return false;
|
|
}
|
|
|
|
// in old file or no bind file, the read data directly is CK_ID.
|
|
// in new file or has bind file, the read data is the index in FileObjects
|
|
if (old_file || this->m_BindFile == nullptr) {
|
|
id = static_cast<CK_ID>(cache);
|
|
} else {
|
|
if (cache < 0) id = 0;
|
|
else id = this->m_BindFile->GetFileObjectByIndex(cache)->CreatedObjectId;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CKStateChunk::ReadXObjectPointerArray(XContainer::XObjectPointerArray* ls) {
|
|
if (ls == nullptr) return false;
|
|
ls->clear();
|
|
|
|
// very very similar to ReadXObjectArray
|
|
// we execute it first.
|
|
XContainer::XObjectArray idarr;
|
|
if (!ReadXObjectArray(idarr)) return false;
|
|
|
|
// then convert it to pointer list
|
|
ls->resize(idarr.size());
|
|
for (size_t i = 0; i < idarr.size(); ++i) {
|
|
(*ls)[i] = m_BindContext->GetObject(idarr[i]);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
}
|