diff options
Diffstat (limited to 'Source/Core/DiscIO/Src/FileSystemGCWii.cpp')
| -rw-r--r-- | Source/Core/DiscIO/Src/FileSystemGCWii.cpp | 498 |
1 files changed, 249 insertions, 249 deletions
diff --git a/Source/Core/DiscIO/Src/FileSystemGCWii.cpp b/Source/Core/DiscIO/Src/FileSystemGCWii.cpp index a06b55836e..13376e447c 100644 --- a/Source/Core/DiscIO/Src/FileSystemGCWii.cpp +++ b/Source/Core/DiscIO/Src/FileSystemGCWii.cpp @@ -1,249 +1,249 @@ -// Copyright (C) 2003-2008 Dolphin Project.
-
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, version 2.0.
-
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License 2.0 for more details.
-
-// A copy of the GPL 2.0 should have been included with the program.
-// If not, see http://www.gnu.org/licenses/
-
-// Official SVN repository and contact information can be found at
-// http://code.google.com/p/dolphin-emu/
-
-#include "stdafx.h"
-#include "Common.h"
-
-#include <string>
-
-#include "FileSystemGCWii.h"
-#include "StringUtil.h"
-
-namespace DiscIO
-{
-CFileSystemGCWii::CFileSystemGCWii(const IVolume *_rVolume)
- : IFileSystem(_rVolume),
- m_Initialized(false),
- m_OffsetShift(0)
-{
- m_Initialized = InitFileSystem();
-}
-
-
-CFileSystemGCWii::~CFileSystemGCWii()
-{
-}
-
-bool CFileSystemGCWii::IsInitialized() const
-{
- return m_Initialized;
-}
-
-u64 CFileSystemGCWii::GetFileSize(const char* _rFullPath) const
-{
- if (!m_Initialized)
- return 0;
-
- const SFileInfo* pFileInfo = FindFileInfo(_rFullPath);
-
- if (pFileInfo != NULL)
- return pFileInfo->m_FileSize;
-
- return 0;
-}
-
-const char* CFileSystemGCWii::GetFileName(u64 _Address) const
-{
- for (size_t i = 0; i < m_FileInfoVector.size(); i++)
- {
- if ((m_FileInfoVector[i].m_Offset <= _Address) &&
- ((m_FileInfoVector[i].m_Offset + m_FileInfoVector[i].m_FileSize) > _Address))
- {
- return m_FileInfoVector[i].m_FullPath;
- }
- }
-
- return NULL;
-}
-
-u64 CFileSystemGCWii::ReadFile(const char* _rFullPath, u8* _pBuffer, size_t _MaxBufferSize) const
-{
- if (!m_Initialized)
- return 0;
-
- const SFileInfo* pFileInfo = FindFileInfo(_rFullPath);
- if (pFileInfo == NULL)
- return 0;
-
- if (pFileInfo->m_FileSize > _MaxBufferSize)
- return 0;
-
- m_rVolume->Read(pFileInfo->m_Offset, pFileInfo->m_FileSize, _pBuffer);
- return pFileInfo->m_FileSize;
-}
-
-bool CFileSystemGCWii::ExportFile(const char* _rFullPath, const char* _rExportFilename) const
-{
- size_t filesize = GetFileSize(_rFullPath);
-
- if (filesize == 0)
- return false;
-
- u8* buffer = new u8[filesize];
-
- if (!ReadFile(_rFullPath, buffer, filesize))
- {
- delete[] buffer;
- return false;
- }
-
- FILE* f = fopen(_rExportFilename, "wb");
-
- if (f)
- {
- fwrite(buffer, filesize, 1, f);
- fclose(f);
- delete[] buffer;
- return true;
- }
-
- delete[] buffer;
- return false;
-}
-
-bool CFileSystemGCWii::ExportAllFiles(const char* _rFullPath) const
-{
- return false;
-}
-
-u32 CFileSystemGCWii::Read32(u64 _Offset) const
-{
- u32 Temp = 0;
- m_rVolume->Read(_Offset, 4, (u8*)&Temp);
- return Common::swap32(Temp);
-}
-
-void CFileSystemGCWii::GetStringFromOffset(u64 _Offset, char* Filename) const
-{
- m_rVolume->Read(_Offset, 255, (u8*)Filename);
-}
-
-size_t CFileSystemGCWii::GetFileList(std::vector<const SFileInfo *> &_rFilenames) const
-{
- if (_rFilenames.size())
- PanicAlert("GetFileList : input list has contents?");
- _rFilenames.clear();
- _rFilenames.reserve(m_FileInfoVector.size());
- for (size_t i = 0; i < m_FileInfoVector.size(); i++)
- _rFilenames.push_back(&m_FileInfoVector[i]);
- return m_FileInfoVector.size();
-}
-
-const SFileInfo* CFileSystemGCWii::FindFileInfo(const char* _rFullPath) const
-{
- for (size_t i = 0; i < m_FileInfoVector.size(); i++)
- {
- if (!strcasecmp(m_FileInfoVector[i].m_FullPath, _rFullPath))
- return &m_FileInfoVector[i];
- }
-
- return NULL;
-}
-
-bool CFileSystemGCWii::InitFileSystem()
-{
- if (Read32(0x18) == 0x5D1C9EA3)
- {
- m_OffsetShift = 2; // Wii file system
- }
- else if (Read32(0x1c) == 0xC2339F3D)
- {
- m_OffsetShift = 0; // GC file system
- }
- else
- {
- return false;
- }
-
- // read the whole FST
- u64 FSTOffset = (u64)Read32(0x424) << m_OffsetShift;
- // u32 FSTSize = Read32(0x428);
- // u32 FSTMaxSize = Read32(0x42C);
-
-
- // read all fileinfos
- SFileInfo Root;
- Root.m_NameOffset = Read32(FSTOffset + 0x0);
- Root.m_Offset = (u64)Read32(FSTOffset + 0x4) << m_OffsetShift;
- Root.m_FileSize = Read32(FSTOffset + 0x8);
-
- if (Root.IsDirectory())
- {
- if (m_FileInfoVector.size())
- PanicAlert("Wtf?");
- u64 NameTableOffset = FSTOffset;
-
- m_FileInfoVector.reserve(Root.m_FileSize);
- for (u32 i = 0; i < Root.m_FileSize; i++)
- {
- SFileInfo sfi;
- u64 Offset = FSTOffset + (i * 0xC);
- sfi.m_NameOffset = Read32(Offset + 0x0);
- sfi.m_Offset = (u64)Read32(Offset + 0x4) << m_OffsetShift;
- sfi.m_FileSize = Read32(Offset + 0x8);
-
- m_FileInfoVector.push_back(sfi);
- NameTableOffset += 0xC;
- }
-
- BuildFilenames(1, m_FileInfoVector.size(), NULL, NameTableOffset);
- }
-
- return true;
-}
-
-// Changed this stuff from C++ string to C strings for speed in debug mode. Doesn't matter in release, but
-// std::string is SLOW in debug mode.
-size_t CFileSystemGCWii::BuildFilenames(const size_t _FirstIndex, const size_t _LastIndex, const char* _szDirectory, u64 _NameTableOffset)
-{
- size_t CurrentIndex = _FirstIndex;
-
- while (CurrentIndex < _LastIndex)
- {
- SFileInfo *rFileInfo = &m_FileInfoVector[CurrentIndex];
- u64 uOffset = _NameTableOffset + (rFileInfo->m_NameOffset & 0xFFFFFF);
- char filename[512];
- memset(filename, 0, sizeof(filename));
- GetStringFromOffset(uOffset, filename);
-
- // check next index
- if (rFileInfo->IsDirectory())
- {
- // this is a directory, build up the new szDirectory
- if (_szDirectory != NULL)
- CharArrayFromFormat(rFileInfo->m_FullPath, "%s%s\\", _szDirectory, filename);
- else
- CharArrayFromFormat(rFileInfo->m_FullPath, "%s\\", filename);
-
- CurrentIndex = BuildFilenames(CurrentIndex + 1, rFileInfo->m_FileSize, rFileInfo->m_FullPath, _NameTableOffset);
- }
- else
- {
- // this is a filename
- if (_szDirectory != NULL)
- CharArrayFromFormat(rFileInfo->m_FullPath, "%s%s", _szDirectory, filename);
- else
- CharArrayFromFormat(rFileInfo->m_FullPath, "%s", filename);
-
- CurrentIndex++;
- }
- }
-
- return CurrentIndex;
-}
-
-} // namespace
+// Copyright (C) 2003-2008 Dolphin Project. + +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, version 2.0. + +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License 2.0 for more details. + +// A copy of the GPL 2.0 should have been included with the program. +// If not, see http://www.gnu.org/licenses/ + +// Official SVN repository and contact information can be found at +// http://code.google.com/p/dolphin-emu/ + +#include "stdafx.h" +#include "Common.h" + +#include <string> + +#include "FileSystemGCWii.h" +#include "StringUtil.h" + +namespace DiscIO +{ +CFileSystemGCWii::CFileSystemGCWii(const IVolume *_rVolume) + : IFileSystem(_rVolume), + m_Initialized(false), + m_OffsetShift(0) +{ + m_Initialized = InitFileSystem(); +} + + +CFileSystemGCWii::~CFileSystemGCWii() +{ +} + +bool CFileSystemGCWii::IsInitialized() const +{ + return m_Initialized; +} + +u64 CFileSystemGCWii::GetFileSize(const char* _rFullPath) const +{ + if (!m_Initialized) + return 0; + + const SFileInfo* pFileInfo = FindFileInfo(_rFullPath); + + if (pFileInfo != NULL) + return pFileInfo->m_FileSize; + + return 0; +} + +const char* CFileSystemGCWii::GetFileName(u64 _Address) const +{ + for (size_t i = 0; i < m_FileInfoVector.size(); i++) + { + if ((m_FileInfoVector[i].m_Offset <= _Address) && + ((m_FileInfoVector[i].m_Offset + m_FileInfoVector[i].m_FileSize) > _Address)) + { + return m_FileInfoVector[i].m_FullPath; + } + } + + return NULL; +} + +u64 CFileSystemGCWii::ReadFile(const char* _rFullPath, u8* _pBuffer, size_t _MaxBufferSize) const +{ + if (!m_Initialized) + return 0; + + const SFileInfo* pFileInfo = FindFileInfo(_rFullPath); + if (pFileInfo == NULL) + return 0; + + if (pFileInfo->m_FileSize > _MaxBufferSize) + return 0; + + m_rVolume->Read(pFileInfo->m_Offset, pFileInfo->m_FileSize, _pBuffer); + return pFileInfo->m_FileSize; +} + +bool CFileSystemGCWii::ExportFile(const char* _rFullPath, const char* _rExportFilename) const +{ + size_t filesize = GetFileSize(_rFullPath); + + if (filesize == 0) + return false; + + u8* buffer = new u8[filesize]; + + if (!ReadFile(_rFullPath, buffer, filesize)) + { + delete[] buffer; + return false; + } + + FILE* f = fopen(_rExportFilename, "wb"); + + if (f) + { + fwrite(buffer, filesize, 1, f); + fclose(f); + delete[] buffer; + return true; + } + + delete[] buffer; + return false; +} + +bool CFileSystemGCWii::ExportAllFiles(const char* _rFullPath) const +{ + return false; +} + +u32 CFileSystemGCWii::Read32(u64 _Offset) const +{ + u32 Temp = 0; + m_rVolume->Read(_Offset, 4, (u8*)&Temp); + return Common::swap32(Temp); +} + +void CFileSystemGCWii::GetStringFromOffset(u64 _Offset, char* Filename) const +{ + m_rVolume->Read(_Offset, 255, (u8*)Filename); +} + +size_t CFileSystemGCWii::GetFileList(std::vector<const SFileInfo *> &_rFilenames) const +{ + if (_rFilenames.size()) + PanicAlert("GetFileList : input list has contents?"); + _rFilenames.clear(); + _rFilenames.reserve(m_FileInfoVector.size()); + for (size_t i = 0; i < m_FileInfoVector.size(); i++) + _rFilenames.push_back(&m_FileInfoVector[i]); + return m_FileInfoVector.size(); +} + +const SFileInfo* CFileSystemGCWii::FindFileInfo(const char* _rFullPath) const +{ + for (size_t i = 0; i < m_FileInfoVector.size(); i++) + { + if (!strcasecmp(m_FileInfoVector[i].m_FullPath, _rFullPath)) + return &m_FileInfoVector[i]; + } + + return NULL; +} + +bool CFileSystemGCWii::InitFileSystem() +{ + if (Read32(0x18) == 0x5D1C9EA3) + { + m_OffsetShift = 2; // Wii file system + } + else if (Read32(0x1c) == 0xC2339F3D) + { + m_OffsetShift = 0; // GC file system + } + else + { + return false; + } + + // read the whole FST + u64 FSTOffset = (u64)Read32(0x424) << m_OffsetShift; + // u32 FSTSize = Read32(0x428); + // u32 FSTMaxSize = Read32(0x42C); + + + // read all fileinfos + SFileInfo Root; + Root.m_NameOffset = Read32(FSTOffset + 0x0); + Root.m_Offset = (u64)Read32(FSTOffset + 0x4) << m_OffsetShift; + Root.m_FileSize = Read32(FSTOffset + 0x8); + + if (Root.IsDirectory()) + { + if (m_FileInfoVector.size()) + PanicAlert("Wtf?"); + u64 NameTableOffset = FSTOffset; + + m_FileInfoVector.reserve(Root.m_FileSize); + for (u32 i = 0; i < Root.m_FileSize; i++) + { + SFileInfo sfi; + u64 Offset = FSTOffset + (i * 0xC); + sfi.m_NameOffset = Read32(Offset + 0x0); + sfi.m_Offset = (u64)Read32(Offset + 0x4) << m_OffsetShift; + sfi.m_FileSize = Read32(Offset + 0x8); + + m_FileInfoVector.push_back(sfi); + NameTableOffset += 0xC; + } + + BuildFilenames(1, m_FileInfoVector.size(), NULL, NameTableOffset); + } + + return true; +} + +// Changed this stuff from C++ string to C strings for speed in debug mode. Doesn't matter in release, but +// std::string is SLOW in debug mode. +size_t CFileSystemGCWii::BuildFilenames(const size_t _FirstIndex, const size_t _LastIndex, const char* _szDirectory, u64 _NameTableOffset) +{ + size_t CurrentIndex = _FirstIndex; + + while (CurrentIndex < _LastIndex) + { + SFileInfo *rFileInfo = &m_FileInfoVector[CurrentIndex]; + u64 uOffset = _NameTableOffset + (rFileInfo->m_NameOffset & 0xFFFFFF); + char filename[512]; + memset(filename, 0, sizeof(filename)); + GetStringFromOffset(uOffset, filename); + + // check next index + if (rFileInfo->IsDirectory()) + { + // this is a directory, build up the new szDirectory + if (_szDirectory != NULL) + CharArrayFromFormat(rFileInfo->m_FullPath, "%s%s\\", _szDirectory, filename); + else + CharArrayFromFormat(rFileInfo->m_FullPath, "%s\\", filename); + + CurrentIndex = BuildFilenames(CurrentIndex + 1, rFileInfo->m_FileSize, rFileInfo->m_FullPath, _NameTableOffset); + } + else + { + // this is a filename + if (_szDirectory != NULL) + CharArrayFromFormat(rFileInfo->m_FullPath, "%s%s", _szDirectory, filename); + else + CharArrayFromFormat(rFileInfo->m_FullPath, "%s", filename); + + CurrentIndex++; + } + } + + return CurrentIndex; +} + +} // namespace |
