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feat: game can now save and display thumbnails, code rebuilt from the xbox one edition of the game

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fix: Renderer::CaptureThumbnail now can capture thumbnails correctly
fix: renderTargetViews and renderTargetShaderResourceViews are no longer null
fix: texture saving functions were using BGRA instead of RGBA format
This commit is contained in:
Patoke
2026-03-04 06:51:35 -03:00
parent d7f4651c52
commit 36d18b209e
5 changed files with 262 additions and 37 deletions
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183
Windows_Libs/Dev/Storage/STO_SaveGame.cpp
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@@ -23,6 +23,10 @@ SOFTWARE.
*/
#include "STO_SaveGame.h"
#include "STO_Main.h"
// @Patoke add
char CSaveGame::szPNGHeader[] = "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A";
CSaveGame::CSaveGame()
{
@@ -43,6 +47,12 @@ CSaveGame::CSaveGame()
GetCurrentDirectoryA(sizeof(dirName), dirName);
sprintf(curDir, "%s/Windows64/GameHDD/", dirName);
CreateDirectoryA(curDir, 0);
// @Patoke add
this->m_pbThumbnailData = nullptr;
this->m_uiThumbnailSize = 0;
this->m_pbImageData = nullptr;
this->m_uiImageSize = 0;
}
void CSaveGame::SetSaveDisabled(bool bDisable)
@@ -124,7 +134,14 @@ C4JStorage::ESaveGameState CSaveGame::GetSavesInfo(int iPad, int (*Func)(LPVOID
sprintf(fileName, "%s\\Windows64\\GameHDD\\%s\\saveData.ms", dirName, findFileData.cFileName);
GetFileAttributesExA(fileName, GetFileExInfoStandard, &fileInfoBuffer);
m_pSaveDetails->SaveInfoA[i++].metaData.dataSize = fileInfoBuffer.nFileSizeLow;
m_pSaveDetails->SaveInfoA[i].metaData.dataSize = fileInfoBuffer.nFileSizeLow;
char thumbName[280];
sprintf(thumbName, "%s\\Windows64\\GameHDD\\%s\\thumbData.png", dirName, findFileData.cFileName);
GetFileAttributesExA(thumbName, GetFileExInfoStandard, &fileInfoBuffer);
m_pSaveDetails->SaveInfoA[i++].metaData.thumbnailSize = fileInfoBuffer.nFileSizeLow;
m_pSaveDetails->iSaveC++;
}
} while (FindNextFileA(fi, &findFileData));
@@ -165,9 +182,46 @@ void CSaveGame::ClearSavesInfo()
}
}
// @Patoke add
C4JStorage::ESaveGameState CSaveGame::LoadSaveDataThumbnail(PSAVE_INFO pSaveInfo,
int (*Func)(LPVOID lpParam, PBYTE pbThumbnail, DWORD dwThumbnailBytes), LPVOID lpParam)
{
if (pSaveInfo == nullptr)
{
return C4JStorage::ESaveGame_Idle;
}
DWORD thumbSize = pSaveInfo->metaData.thumbnailSize;
if (thumbSize > 0 && pSaveInfo->thumbnailData == nullptr)
{
char curDir[256];
GetCurrentDirectoryA(sizeof(curDir), curDir);
const char *saveName = (const char *)pSaveInfo;
char thumbPath[512];
sprintf(thumbPath, "%s/Windows64/GameHDD/%s/thumbData.ms", curDir, saveName);
HANDLE hThumb = CreateFileA(thumbPath, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (hThumb != INVALID_HANDLE_VALUE)
{
pSaveInfo->thumbnailData = new BYTE[thumbSize];
DWORD bytesRead = 0;
BOOL res = ReadFile(hThumb, pSaveInfo->thumbnailData, thumbSize, &bytesRead, 0);
// If the read fails or is incomplete, clean up to prevent corrupted image data
if (!res || bytesRead != thumbSize)
{
delete[] pSaveInfo->thumbnailData;
pSaveInfo->thumbnailData = nullptr;
}
CloseHandle(hThumb);
}
}
Func(lpParam, pSaveInfo->thumbnailData, pSaveInfo->metaData.thumbnailSize);
return C4JStorage::ESaveGame_GetSaveThumbnail;
}
@@ -259,9 +313,118 @@ PVOID CSaveGame::AllocateSaveData(unsigned int uiBytes)
return m_pSaveData;
}
// @Patoke add
void CSaveGame::SetSaveImages(PBYTE pbThumbnail, DWORD dwThumbnailBytes, PBYTE pbImage, DWORD dwImageBytes, PBYTE pbTextData, DWORD dwTextDataBytes)
{
;
if (this->m_pbThumbnailData)
{
free(this->m_pbThumbnailData);
}
this->m_pbImageData = pbImage;
this->m_uiImageSize = dwImageBytes;
DWORD dwNewThumbnailBytes = dwThumbnailBytes;
if (dwTextDataBytes > 0)
{
// add extra bytes to the allocation for the text chunk (4 bytes for size, 4 bytes for type, 4 bytes for checksum)
dwNewThumbnailBytes += dwTextDataBytes + 12;
}
// allocate the thumbnail
this->m_pbThumbnailData = static_cast<PBYTE>(malloc(dwNewThumbnailBytes));
this->m_uiThumbnailSize = dwNewThumbnailBytes;
memset(this->m_pbThumbnailData, 0, dwNewThumbnailBytes);
// copy original thumbnail data to new buffer
memcpy(this->m_pbThumbnailData, pbThumbnail, dwThumbnailBytes);
// inject text metadata into the thumbnail if it exists
if (dwTextDataBytes > 0)
{
this->AddTextFieldToPNG(reinterpret_cast<unsigned __int8 *>(this->m_pbThumbnailData), dwThumbnailBytes, pbTextData, dwTextDataBytes,
dwNewThumbnailBytes);
}
}
// @Patoke add
void CSaveGame::AddTextFieldToPNG(PBYTE pbImageData, DWORD dwImageBytes, PBYTE pbTextData, DWORD dwTextBytes, DWORD dwTotalSizeAllocated)
{
if (dwImageBytes == 0)
{
return;
}
for (int j = 0; j < 8; ++j)
{
if (CSaveGame::szPNGHeader[j] != pbImageData[j])
{
return;
}
}
unsigned int offset = 8;
while (offset < dwImageBytes)
{
unsigned int chunkStart = offset;
unsigned int chunkLength = this->ReverseBytes(*reinterpret_cast<unsigned int *>(&pbImageData[offset]));
offset += 4;
unsigned int chunkType = this->ReverseBytes(*reinterpret_cast<unsigned int *>(&pbImageData[offset]));
offset += 4;
if (chunkType == 'IEND')
{
offset = chunkStart;
// write the tEXt chunk before the IEND chunk
*reinterpret_cast<unsigned int *>(&pbImageData[offset]) = this->ReverseBytes(static_cast<unsigned int>(dwTextBytes));
offset += 4;
unsigned __int8 *textTypeStart = &pbImageData[offset];
*reinterpret_cast<unsigned int *>(&pbImageData[offset]) = this->ReverseBytes('tEXt');
offset += 4;
memcpy(&pbImageData[offset], pbTextData, dwTextBytes);
offset += dwTextBytes;
unsigned int textCrc = InternalStorageManager.CRC(textTypeStart, dwTextBytes + 4);
*reinterpret_cast<unsigned int *>(&pbImageData[offset]) = this->ReverseBytes(textCrc);
offset += 4;
// add a new IEND chunk
*reinterpret_cast<unsigned int *>(&pbImageData[offset]) = 0;
offset += 4;
unsigned __int8 *iendTypeStart = &pbImageData[offset];
*reinterpret_cast<unsigned int *>(&pbImageData[offset]) = this->ReverseBytes('IEND');
offset += 4;
unsigned int iendCrc = InternalStorageManager.CRC(iendTypeStart, 4);
*reinterpret_cast<unsigned int *>(&pbImageData[offset]) = this->ReverseBytes(iendCrc);
offset += 4;
assert("uiCount <= dwTotalSizeAllocated");
break;
}
else
{
// not 'IEND' chunk, continue to next chunk
offset += chunkLength + 4;
}
}
}
// @Patoke add
unsigned int CSaveGame::ReverseBytes(unsigned int uiValue)
{
unsigned int uiReturn = 0;
uiReturn = (uiValue << 24) | ((uiValue << 8) & 0x00FF0000) | ((uiValue >> 8) & 0x0000FF00) | (uiValue >> 24);
return uiReturn;
}
C4JStorage::ESaveGameState CSaveGame::SaveSaveData(int (*Func)(LPVOID, const bool), LPVOID lpParam)
@@ -269,6 +432,8 @@ C4JStorage::ESaveGameState CSaveGame::SaveSaveData(int (*Func)(LPVOID, const boo
char dirName[256];
char curDir[256];
char fileName[280];
char thumbName[280];
GetCurrentDirectoryA(sizeof(curDir), curDir);
sprintf(dirName, "%s/Windows64/GameHDD/%s", curDir, m_szSaveUniqueName);
CreateDirectoryA(dirName, 0);
@@ -282,6 +447,20 @@ C4JStorage::ESaveGameState CSaveGame::SaveSaveData(int (*Func)(LPVOID, const boo
CloseHandle(h);
// @Patoke add
if (this->m_pbThumbnailData != nullptr && this->m_uiThumbnailSize > 0)
{
sprintf(thumbName, "%s/thumbData.png", dirName);
HANDLE hThumb = CreateFileA(thumbName, GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
DWORD thumbBytesWritten = 0;
BOOL thumbRes = WriteFile(hThumb, this->m_pbThumbnailData, this->m_uiThumbnailSize, &thumbBytesWritten, 0);
_ASSERT(thumbRes && thumbBytesWritten == this->m_uiThumbnailSize);
CloseHandle(hThumb);
}
Func(lpParam, true);
return C4JStorage::ESaveGame_Idle;