mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-01-20 21:11:15 +01:00
989f4fb6da
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3094 8ced0084-cf51-0410-be5f-012b33b47a6e
128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
// Copyright (C) 2003-2009 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 "VolumeHandler.h"
|
|
#include "VolumeCreator.h"
|
|
|
|
namespace VolumeHandler
|
|
{
|
|
|
|
DiscIO::IVolume* g_pVolume = NULL;
|
|
|
|
DiscIO::IVolume *GetVolume() {
|
|
return g_pVolume;
|
|
}
|
|
|
|
bool SetVolumeName(const std::string& _rFullPath)
|
|
{
|
|
if (g_pVolume)
|
|
{
|
|
// This code looks scary. Can the try/catch stuff be removed?
|
|
// This cause a "Unhandled exception ... Access violation
|
|
// reading location ..." after you have started and stopped two
|
|
// or three games
|
|
delete g_pVolume;
|
|
g_pVolume = NULL;
|
|
}
|
|
|
|
g_pVolume = DiscIO::CreateVolumeFromFilename(_rFullPath);
|
|
|
|
return g_pVolume != NULL;
|
|
}
|
|
|
|
void SetVolumeDirectory(const std::string& _rFullPath, bool _bIsWii)
|
|
{
|
|
if (g_pVolume)
|
|
{
|
|
delete g_pVolume;
|
|
g_pVolume = NULL;
|
|
}
|
|
|
|
g_pVolume = DiscIO::CreateVolumeFromDirectory(_rFullPath, _bIsWii);
|
|
}
|
|
|
|
u32 Read32(u64 _Offset)
|
|
{
|
|
if (g_pVolume != NULL)
|
|
{
|
|
u32 Temp;
|
|
g_pVolume->Read(_Offset, 4, (u8*)&Temp);
|
|
return Common::swap32(Temp);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool ReadToPtr(u8* ptr, u64 _dwOffset, u64 _dwLength)
|
|
{
|
|
if (g_pVolume != NULL && ptr)
|
|
{
|
|
g_pVolume->Read(_dwOffset, _dwLength, ptr);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool RAWReadToPtr( u8* ptr, u64 _dwOffset, u64 _dwLength )
|
|
{
|
|
if (g_pVolume != NULL && ptr)
|
|
{
|
|
g_pVolume->RAWRead(_dwOffset, _dwLength, ptr);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool IsValid()
|
|
{
|
|
return g_pVolume != NULL;
|
|
}
|
|
|
|
bool IsWii()
|
|
{
|
|
if (g_pVolume)
|
|
return IsVolumeWiiDisc(g_pVolume);
|
|
|
|
return false;
|
|
}
|
|
|
|
bool GetTMDOffset(u32 _Partition, u64& _Offset)
|
|
{
|
|
bool ret = false;
|
|
|
|
if (IsWii())
|
|
{
|
|
// Get the info table
|
|
u8 pInfoTableOffset[4];
|
|
ret |= RAWReadToPtr(pInfoTableOffset, 0x40004, 4);
|
|
u64 InfoTableOffset = (u32)(pInfoTableOffset[3] | pInfoTableOffset[2] << 8 | pInfoTableOffset[1] << 16 | pInfoTableOffset[0] << 24) << 2;
|
|
|
|
// Get the offset of the partition
|
|
u8 pInfoTableEntryOffset[4];
|
|
ret |= RAWReadToPtr(pInfoTableEntryOffset, InfoTableOffset + (_Partition << 2) + 4, 4);
|
|
u64 PartitionOffset = (u32)(pInfoTableEntryOffset[3] | pInfoTableEntryOffset[2] << 8 | pInfoTableEntryOffset[1] << 16 | pInfoTableEntryOffset[0] << 24) << 2;
|
|
|
|
_Offset = PartitionOffset + 0x2c0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
} // namespace
|