421 lines
12 KiB
C++
421 lines
12 KiB
C++
#include "CKBitmapData.hpp"
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#include "CKContext.hpp"
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#include "CKStateChunk.hpp"
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#include "DataHandlers/CKBitmapHandler.hpp"
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#include "MgrImpls/CKPathManager.hpp"
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#include <memory>
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namespace LibCmo::CK2 {
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#pragma region Assist RW Functions
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bool CKBitmapData::ReadSpecificFormatBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* slot) {
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// read transparent prop
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CKDWORD transprop;
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chk->ReadStruct(transprop);
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// get ext and guid to find correct guid
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CKCHAR filerawext[4];
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CKGUID fileguid;
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chk->ReadAndFillBuffer(filerawext, CKSizeof(filerawext));
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chk->ReadStruct(fileguid);
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CKFileExtension fileext(filerawext);
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auto reader = DataHandlers::CKBitmapHandler::GetBitmapHandlerWrapper(fileext, fileguid);
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if (reader == nullptr) {
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return false;
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}
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// read image size
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CKDWORD imgbytesize;
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chk->ReadStruct(imgbytesize);
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if (imgbytesize != 0) {
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// get image data ptr
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auto imgdata = chk->LockReadBufferWrapper(imgbytesize);
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if (imgdata == nullptr) {
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return false;
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}
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// parse image
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VxMath::VxImageDescEx cache;
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if (!reader->ReadMemory(imgdata.get(), imgbytesize, &cache)) {
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return false;
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}
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// unlock buffer
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imgdata.reset();
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// post proc image (copy to slot)
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VxMath::VxDoBlit(&cache, slot);
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// proc image alpha
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if (transprop == 2) {
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CKDWORD alphacount;
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chk->ReadStruct(alphacount);
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if (alphacount == 1) {
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CKDWORD globalalpha;
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chk->ReadStruct(globalalpha);
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VxMath::VxDoAlphaBlit(slot, static_cast<CKBYTE>(globalalpha));
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} else {
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auto alphabuf = chk->ReadBufferWrapper();
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VxMath::VxDoAlphaBlit(slot, reinterpret_cast<const CKBYTE*>(alphabuf.get()));
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}
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}
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}
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return true;
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}
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bool CKBitmapData::ReadRawBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* slot) {
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CKDWORD bytePerPixel, width, height, redMask, greenMask, blueMask, alphaMask;
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chk->ReadStruct(bytePerPixel); // not used
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if (bytePerPixel == 0) return false;
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chk->ReadStruct(width);
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chk->ReadStruct(height);
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chk->ReadStruct(alphaMask);
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chk->ReadStruct(redMask);
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chk->ReadStruct(greenMask);
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chk->ReadStruct(blueMask);
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// read RGBA buffer
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CKStateChunk::Buffer_t redBuffer, greenBuffer, blueBuffer, alphaBuffer;
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CKDWORD bufopt;
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chk->ReadStruct(bufopt);
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bufopt &= 0xFu;
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if (bufopt != 0) {
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// MARK: not supported CCompressionTools::jpegDecode()
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// There are some shitty jpeg decode function.
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// I do not want to touch them because all of my work do not related to them
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// so return false simply
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return false;
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} else {
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blueBuffer = chk->ReadBufferWrapper();
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greenBuffer = chk->ReadBufferWrapper();
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redBuffer = chk->ReadBufferWrapper();
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}
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alphaBuffer = chk->ReadBufferWrapper();
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// write into file
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if (redBuffer != nullptr && greenBuffer != nullptr && blueBuffer != nullptr) {
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// create image
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slot->CreateImage(width, height);
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// get essential data
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CKDWORD pixelcount = slot->GetPixelCount();
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CKBYTE* dst = slot->GetMutableImage(),
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* redSrc = reinterpret_cast<CKBYTE*>(redBuffer.get()),
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* greenSrc = reinterpret_cast<CKBYTE*>(greenBuffer.get()),
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* blueSrc = reinterpret_cast<CKBYTE*>(blueBuffer.get()),
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* alphaSrc = reinterpret_cast<CKBYTE*>(alphaBuffer.get());
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for (CKDWORD p = 0; p < pixelcount; ++p) {
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*(dst++) = *(blueSrc++);
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*(dst++) = *(greenSrc++);
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*(dst++) = *(redSrc++);
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// if no alpha data, set to 0xFF
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*(dst++) = (alphaBuffer != nullptr ? (*(alphaSrc++)) : 0xFFu);
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}
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}
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return true;
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}
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bool CKBitmapData::ReadOldRawBitmap(CKStateChunk* chk, VxMath::VxImageDescEx* slot) {
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// MARK: not supported because all of my work do not involve this function.
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return false;
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}
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void CKBitmapData::WriteSpecificFormatBitmap(CKStateChunk* chk, const VxMath::VxImageDescEx* slot) {
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}
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void CKBitmapData::WriteRawBitmap(CKStateChunk* chk, const VxMath::VxImageDescEx* slot) {
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}
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#pragma endregion
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#pragma region Core Read / Write
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bool CKBitmapData::ReadFromChunk(CKStateChunk* chunk, CKFileVisitor* file, const CKBitmapDataReadIdentifiers& identifiers) {
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XContainer::XBitArray hasReadSlot;
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// check 3 types enbedded image
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// MARK: i think there is a potential vulnerable issue.
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// if a slot failed, all following slot will read data from a wrong position.
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// thus the program will crash or allocated massive garbage data.
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if (chunk->SeekIdentifierDword(identifiers.m_SpecificFormat)) {
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// specific format
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CKDWORD slotcount, width, height, bpp;
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chunk->ReadStruct(slotcount);
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chunk->ReadStruct(width);
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chunk->ReadStruct(height);
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chunk->ReadStruct(bpp);
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SetSlotCount(slotcount);
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hasReadSlot.resize(slotcount, false);
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// the height and width is written outside of specific format
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// so we create image first for it.
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// and let reader to read data.
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// and free image if is is failed.
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if (width > 0 && height > 0) {
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for (CKDWORD i = 0; i < slotcount; ++i) {
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CreateImage(width, height, i);
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if (ReadSpecificFormatBitmap(chunk, GetImageDesc(i))) {
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XContainer::NSXBitArray::Set(hasReadSlot, i);
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} else {
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ReleaseImage(i);
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}
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}
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}
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} else if (chunk->SeekIdentifierDword(identifiers.m_RawData)) {
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// raw data
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CKDWORD slotcount;
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chunk->ReadStruct(slotcount);
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SetSlotCount(slotcount);
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hasReadSlot.resize(slotcount, false);
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// the height and width is read by raw data function self.
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// so we pass a cache variable to reader and do some modification
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// if it is success.
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for (CKDWORD i = 0; i < slotcount; ++i) {
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VxMath::VxImageDescEx rawcache;
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if (ReadRawBitmap(chunk, &rawcache)) {
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XContainer::NSXBitArray::Set(hasReadSlot, i);
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// do upside down blit
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CreateImage(rawcache.GetWidth(), rawcache.GetHeight(), i);
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VxMath::VxDoBlitUpsideDown(&rawcache, GetImageDesc(i));
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}
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}
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} else if (chunk->SeekIdentifierDword(identifiers.m_OldRawData)) {
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// raw data (old format)
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CKDWORD slotcount;
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chunk->ReadStruct(slotcount);
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SetSlotCount(slotcount);
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hasReadSlot.resize(slotcount, false);
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// MARK: a rough implement because we do not support this identifier
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for (CKDWORD i = 0; i < slotcount; ++i) {
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if (ReadOldRawBitmap(chunk, GetImageDesc(i))) {
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XContainer::NSXBitArray::Set(hasReadSlot, i);
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} else {
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ReleaseImage(i);
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}
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}
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}
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// file name section
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if (chunk->SeekIdentifierDword(identifiers.m_FileNames)) {
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// read slot count
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CKDWORD slotcount;
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chunk->ReadStruct(slotcount);
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SetSlotCount(slotcount);
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// read string in detail
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// and try load not loaded image.
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for (CKDWORD i = 0; i < slotcount; ++i) {
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XContainer::XString filename;
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chunk->ReadString(filename);
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if (filename.empty()) continue;
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bool isNotLoaded = (i >= hasReadSlot.size()) || (!XContainer::NSXBitArray::IsSet(hasReadSlot, i));
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if (isNotLoaded) {
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// if this image is not loaded.
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// try resolve its file name and load it.
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// and set resolved filename for it.
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if (m_Context->GetPathManager()->ResolveFileName(filename)) {
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if (LoadImage(filename.c_str(), i)) {
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SetSlotFileName(i, filename.c_str());
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}
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}
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} else {
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// otherwise, set filename simply
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SetSlotFileName(i, filename.c_str());
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}
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}
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}
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// movie info
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if (chunk->SeekIdentifierDword(identifiers.m_MovieFileName)) {
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// MARK: movie is not implemented here.
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}
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return true;
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}
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bool CKBitmapData::DumpToChunk(CKStateChunk* chunk, CKFileVisitor* file, const CKBitmapDataWriteIdentifiers& identifiers) {
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return false;
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}
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#pragma endregion
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#pragma region Misc Functions
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void CKBitmapData::SetSlotCount(CKDWORD count) {
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m_Slots.resize(count);
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if (count == 0) {
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EnumsHelper::Add(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_INVALID);
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}
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}
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CKDWORD CKBitmapData::GetSlotCount() {
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return static_cast<CKDWORD>(m_Slots.size());
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}
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void CKBitmapData::SetCurrentSlot(CKDWORD slot) {
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if (slot >= m_Slots.size()) return;
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m_CurrentSlot = slot;
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// NOTE: idk what the fuck this is. just interpter the IDA decompiled code.
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if (EnumsHelper::Has(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_CUBEMAP)) {
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EnumsHelper::Add(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_FORCERESTORE);
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}
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}
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CKDWORD CKBitmapData::GetCurrentSlot() {
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return m_CurrentSlot;
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}
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void CKBitmapData::CreateImage(CKDWORD Width, CKDWORD Height, CKDWORD Slot) {
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if (Slot >= m_Slots.size()) return;
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CKBitmapSlot& slotdata = m_Slots[Slot];
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slotdata.m_ImageData.CreateImage(Width, Height);
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VxMath::VxDoAlphaBlit(&slotdata.m_ImageData, 0xFFu);
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}
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bool CKBitmapData::LoadImage(CKSTRING filename, CKDWORD slot) {
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if (filename == nullptr) return false;
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if (slot >= m_Slots.size()) return false;
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// get extension of file. then get corresponding reader
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XContainer::XString ext(filename);
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m_Context->GetPathManager()->GetExtension(ext);
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auto reader = DataHandlers::CKBitmapHandler::GetBitmapHandlerWrapper(CKFileExtension(ext.c_str()), CKGUID());
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if (reader == nullptr) return false;
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// get desc and read data
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if (!reader->ReadFile(filename, GetImageDesc(slot))) {
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return false;
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}
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return true;
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}
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bool CKBitmapData::SaveImage(CKSTRING filename, CKDWORD slot, bool isForceThisFmt) {
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if (filename == nullptr) return false;
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if (slot >= m_Slots.size()) return false;
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// prepare save format
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CKBitmapProperties savefmt;
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if (isForceThisFmt) {
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savefmt = this->m_SaveProperties;
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} else {
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XContainer::XString ext(filename);
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m_Context->GetPathManager()->GetExtension(ext);
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if (ext.empty()) {
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// fallback to this fmt
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savefmt = this->m_SaveProperties;
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} else {
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savefmt.m_Ext.SetExt(ext.c_str());
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}
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}
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// get reader by format
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auto reader = DataHandlers::CKBitmapHandler::GetBitmapHandlerWrapper(savefmt.m_Ext, savefmt.m_ReaderGuid);
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if (reader == nullptr) return false;
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// save file
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if (!reader->SaveFile(filename, GetImageDesc(slot), savefmt)) {
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return false;
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}
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return true;
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}
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VxMath::VxImageDescEx* CKBitmapData::GetImageDesc(CKDWORD slot) {
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if (slot >= m_Slots.size()) return nullptr;
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return &m_Slots[slot].m_ImageData;
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}
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void CKBitmapData::ReleaseImage(CKDWORD slot) {
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if (slot >= m_Slots.size()) return;
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m_Slots[slot].m_ImageData.FreeImage();
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}
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void CKBitmapData::SetSlotFileName(CKDWORD slot, CKSTRING filename) {
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if (slot >= m_Slots.size()) return;
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if (filename == nullptr) return;
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m_Slots[slot].m_FileName = filename;
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}
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CKSTRING CKBitmapData::GetSlotFileName(CKDWORD slot) {
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if (slot >= m_Slots.size()) return nullptr;
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return m_Slots[slot].m_FileName.c_str();
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}
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const CKBitmapProperties& CKBitmapData::GetSaveFormat() {
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return m_SaveProperties;
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}
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void CKBitmapData::SetSaveFormat(const CKBitmapProperties& props) {
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m_SaveProperties = props;
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}
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CK_TEXTURE_SAVEOPTIONS CKBitmapData::GetSaveOptions() {
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return m_SaveOptions;
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}
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void CKBitmapData::SetSaveOptions(CK_TEXTURE_SAVEOPTIONS opts) {
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m_SaveOptions = opts;
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}
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void CKBitmapData::SetTransparent(bool Transparency) {
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if (Transparency) {
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EnumsHelper::Add(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_TRANSPARENT);
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} else {
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EnumsHelper::Rm(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_TRANSPARENT);
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}
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}
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bool CKBitmapData::IsTransparent() {
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return EnumsHelper::Has(m_BitmapFlags, CK_BITMAPDATA_FLAGS::CKBITMAPDATA_TRANSPARENT);
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}
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void CKBitmapData::SetTransparentColor(CKDWORD col) {
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SetTransparent(true);
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m_TransColor = col;
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}
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CKDWORD CKBitmapData::GetTransparentColor() {
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return m_TransColor;
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}
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void CKBitmapData::SetPickThreshold(CKDWORD threshold) {
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m_PickThreshold = threshold;
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}
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CKDWORD CKBitmapData::GetPickThreshold() {
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return m_PickThreshold;
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}
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#pragma endregion
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CKBitmapData::CKBitmapData(CKContext* ctx) :
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m_Context(ctx),
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m_Slots(), m_CurrentSlot(0),
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m_PickThreshold(0), m_BitmapFlags(CK_BITMAPDATA_FLAGS::CKBITMAPDATA_INVALID), m_TransColor(0),
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m_SaveProperties(ctx->GetGlobalImagesSaveFormat()), m_SaveOptions(CK_TEXTURE_SAVEOPTIONS::CKTEXTURE_USEGLOBAL) {}
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CKBitmapData::~CKBitmapData() {}
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}
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