lifegpc/jeweha_patch
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fix: 修复视频无法从vfs加载

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lifegpc
2025-03-12 18:02:36 +08:00
parent c5f5899f20
commit f15d9fecaa
3 changed files with 71 additions and 5 deletions
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30
dllmain.cpp
View File

@@ -17,6 +17,9 @@ static BOOL(WINAPI *TrueCloseHandle)(HANDLE hObject) = CloseHandle;
static DWORD(WINAPI *TrueGetFileSize)(HANDLE hFile, LPDWORD lpFileSizeHigh) = GetFileSize;
static decltype(GetFileSizeEx) *TrueGetFileSizeEx = GetFileSizeEx;
static DWORD(WINAPI *TrueSetFilePointer)(HANDLE hFile, LONG lDistanceToMove, PLONG lpDistanceToMoveHigh, DWORD dwMoveMethod) = SetFilePointer;
static decltype(GetFileType) *TrueGetFileType = GetFileType;
static decltype(GetFileAttributesW) *TrueGetFileAttributesW = GetFileAttributesW;
static decltype(GetFileAttributesExW) *TrueGetFileAttributesExW = GetFileAttributesExW;
static Config config;
static std::wstring defaultFont;
@@ -144,6 +147,27 @@ DWORD WINAPI HookedSetFilePointer(HANDLE hFile, LONG lDistanceToMove, PLONG lpDi
return TrueSetFilePointer(hFile, lDistanceToMove, lpDistanceToMoveHigh, dwMoveMethod);
}
DWORD WINAPI HookedGetFileType(HANDLE hFile) {
if (vfs.ContainsHandle(hFile)) {
return FILE_TYPE_DISK;
}
return TrueGetFileType(hFile);
}
DWORD WINAPI HookedGetFileAttributesW(LPCWSTR lpFileName) {
if (vfs.ContainsFile(lpFileName)) {
return FILE_ATTRIBUTE_READONLY;
}
return TrueGetFileAttributesW(lpFileName);
}
BOOL WINAPI HookedGetFileAttributesExW(LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId, LPVOID lpFileInformation) {
if (vfs.ContainsFile(lpFileName)) {
return vfs.GetFileAttributesExW(lpFileName, fInfoLevelId, lpFileInformation);
}
return TrueGetFileAttributesExW(lpFileName, fInfoLevelId, lpFileInformation);
}
extern "C" __declspec(dllexport) void Attach() {
config.Load("config.txt");
if (!wchar_util::str_to_wstr(defaultFont, config.configs["defaultFont"], CP_UTF8)) {
@@ -169,6 +193,9 @@ extern "C" __declspec(dllexport) void Attach() {
DetourAttach(&TrueGetFileSize, HookedGetFileSize);
DetourAttach(&TrueGetFileSizeEx, HookedGetFileSizeEx);
DetourAttach(&TrueSetFilePointer, HookedSetFilePointer);
DetourAttach(&TrueGetFileType, HookedGetFileType);
DetourAttach(&TrueGetFileAttributesW, HookedGetFileAttributesW);
DetourAttach(&TrueGetFileAttributesExW, HookedGetFileAttributesExW);
DetourTransactionCommit();
std::string stringReplaceFile = config.configs["stringReplaceFile"];
if (!stringReplaceFile.empty()) {
@@ -195,6 +222,9 @@ extern "C" __declspec(dllexport) void Detach() {
DetourDetach(&TrueGetFileSize, HookedGetFileSize);
DetourDetach(&TrueGetFileSizeEx, HookedGetFileSizeEx);
DetourDetach(&TrueSetFilePointer, HookedSetFilePointer);
DetourDetach(&TrueGetFileType, HookedGetFileType);
DetourDetach(&TrueGetFileAttributesW, HookedGetFileAttributesW);
DetourDetach(&TrueGetFileAttributesExW, HookedGetFileAttributesExW);
DetourTransactionCommit();
}

43
vfs.cpp
View File

@@ -3,6 +3,7 @@
#include "str_util.h"
#include "fileop.h"
#include "shlwapi.h"
#include "time_util.h"
VFS::VFS() {
WCHAR exePath[MAX_PATH];
@@ -42,7 +43,7 @@ bool VFS::AddArchive(std::string path) {
}
std::string name = st.name;
name = str_util::str_replace(name, "/", "\\");
files[name] = st.size;
files[name] = st;
}
return true;
}
@@ -74,7 +75,7 @@ bool VFS::AddArchiveFromResource(HMODULE hModule, int resourceID) {
}
std::string name = st.name;
name = str_util::str_replace(name, "/", "\\");
files[name] = st.size;
files[name] = st;
}
return true;
}
@@ -193,7 +194,7 @@ DWORD VFS::GetFileSize(HANDLE hFile, LPDWORD lpFileSizeHigh) {
}
auto data = *f;
auto name = data.second;
auto size = files[name];
auto size = files[name].size;
if (lpFileSizeHigh) {
*lpFileSizeHigh = size >> 32;
}
@@ -208,7 +209,7 @@ BOOL VFS::GetFileSizeEx(HANDLE hFile, PLARGE_INTEGER lpFileSize) {
}
auto data = *f;
auto name = data.second;
auto size = files[name];
auto size = files[name].size;
lpFileSize->LowPart = size & 0xFFFFFFFF;
lpFileSize->HighPart = size >> 32;
return TRUE;
@@ -239,3 +240,37 @@ DWORD VFS::SetFilePointer(HANDLE hFile, LONG lDistanceToMove, PLONG lpDistanceTo
std::string VFS::GetBasePath() {
return base_path;
}
BOOL VFS::GetFileAttributesExW(LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId, LPVOID lpFileInformation) {
std::string path;
if (!wchar_util::wstr_to_str(path, lpFileName, CP_UTF8)) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
path = str_util::str_replace(path, "/", "\\");
if (fileop::isabs(path)) {
path = fileop::relpath(path, base_path);
}
auto c = files.find(path);
if (c == files.end()) {
SetLastError(ERROR_FILE_NOT_FOUND);
return FALSE;
}
auto st = (*c).second;
if (fInfoLevelId == GetFileExInfoStandard) {
if (!lpFileInformation) {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
WIN32_FILE_ATTRIBUTE_DATA data;
data.dwFileAttributes = FILE_ATTRIBUTE_READONLY;
time_util::time_t_to_file_time(st.mtime, &data.ftLastWriteTime);
data.ftCreationTime = data.ftLastWriteTime;
data.ftLastAccessTime = data.ftLastWriteTime;
data.nFileSizeHigh = st.size >> 32;
data.nFileSizeLow = st.size & 0xFFFFFFFF;
memcpy(lpFileInformation, &data, sizeof(data));
return TRUE;
}
return FALSE;
}

3
vfs.hpp
View File

@@ -40,10 +40,11 @@ class VFS {
HANDLE CreateFileW(std::wstring path);
bool ReadFile(HANDLE hFile, LPVOID lpBuffer, DWORD nNumberOfBytesToRead, LPDWORD lpNumberOfBytesRead);
void CloseHandle(HANDLE hFile);
BOOL GetFileAttributesExW(LPCWSTR lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId, LPVOID lpFileInformation);
DWORD GetFileSize(HANDLE hFile, LPDWORD lpFileSizeHigh);
BOOL GetFileSizeEx(HANDLE hFile, PLARGE_INTEGER lpFileSize);
DWORD SetFilePointer(HANDLE hFile, LONG lDistanceToMove, PLONG lpDistanceToMoveHigh, DWORD dwMoveMethod);
std::unordered_map<std::string, zip_uint64_t, CaseInsensitiveHash, CaseInsensitiveEqual> files;
std::unordered_map<std::string, zip_stat_t, CaseInsensitiveHash, CaseInsensitiveEqual> files;
std::string GetBasePath();
private:
std::string base_path;