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GCMemcard: Access active directory/BAT via methods instead of pointers.

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This commit is contained in:
Admiral H. Curtiss 2018-11-26 00:49:33 +01:00
parent 7ff65db3b2
commit fc70b60d8b
2 changed files with 96 additions and 117 deletions
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199
Source/Core/Core/HW/GCMemcard/GCMemcard.cpp
View file

@ -204,31 +204,46 @@ GCMemcard::GCMemcard(const std::string& filename, bool forceCreation, bool shift
mcdFile.Close();
InitDirBatPointers();
InitActiveDirBat();
}
void GCMemcard::InitDirBatPointers()
void GCMemcard::InitActiveDirBat()
{
if (m_directory_blocks[0].m_update_counter > m_directory_blocks[1].m_update_counter)
{
m_current_directory_block = &m_directory_blocks[0];
m_previous_directory_block = &m_directory_blocks[1];
}
m_active_directory = 0;
else
{
m_current_directory_block = &m_directory_blocks[1];
m_previous_directory_block = &m_directory_blocks[0];
}
m_active_directory = 1;
if (m_bat_blocks[0].m_update_counter > m_bat_blocks[1].m_update_counter)
{
m_current_bat_block = &m_bat_blocks[0];
m_previous_bat_block = &m_bat_blocks[1];
}
m_active_bat = 0;
else
{
m_current_bat_block = &m_bat_blocks[1];
m_previous_bat_block = &m_bat_blocks[0];
}
m_active_bat = 1;
}
const Directory& GCMemcard::GetActiveDirectory() const
{
return m_directory_blocks[m_active_directory];
}
const BlockAlloc& GCMemcard::GetActiveBat() const
{
return m_bat_blocks[m_active_bat];
}
void GCMemcard::UpdateDirectory(const Directory& directory)
{
// overwrite inactive dir with given data, then set active dir to written block
int new_directory_index = m_active_directory == 0 ? 1 : 0;
m_directory_blocks[new_directory_index] = directory;
m_active_directory = new_directory_index;
}
void GCMemcard::UpdateBat(const BlockAlloc& bat)
{
// overwrite inactive BAT with given data, then set active BAT to written block
int new_bat_index = m_active_bat == 0 ? 1 : 0;
m_bat_blocks[new_bat_index] = bat;
m_active_bat = new_bat_index;
}
bool GCMemcard::IsShiftJIS() const
@ -334,7 +349,7 @@ u8 GCMemcard::GetNumFiles() const
u8 j = 0;
for (int i = 0; i < DIRLEN; i++)
{
if (m_current_directory_block->m_dir_entries[i].m_gamecode != DEntry::UNINITIALIZED_GAMECODE)
if (GetActiveDirectory().m_dir_entries[i].m_gamecode != DEntry::UNINITIALIZED_GAMECODE)
j++;
}
return j;
@ -347,7 +362,7 @@ u8 GCMemcard::GetFileIndex(u8 fileNumber) const
u8 j = 0;
for (u8 i = 0; i < DIRLEN; i++)
{
if (m_current_directory_block->m_dir_entries[i].m_gamecode != DEntry::UNINITIALIZED_GAMECODE)
if (GetActiveDirectory().m_dir_entries[i].m_gamecode != DEntry::UNINITIALIZED_GAMECODE)
{
if (j == fileNumber)
{
@ -365,7 +380,7 @@ u16 GCMemcard::GetFreeBlocks() const
if (!m_valid)
return 0;
return m_current_bat_block->m_free_blocks;
return GetActiveBat().m_free_blocks;
}
u8 GCMemcard::TitlePresent(const DEntry& d) const
@ -376,8 +391,8 @@ u8 GCMemcard::TitlePresent(const DEntry& d) const
u8 i = 0;
while (i < DIRLEN)
{
if (m_current_directory_block->m_dir_entries[i].m_gamecode == d.m_gamecode &&
m_current_directory_block->m_dir_entries[i].m_filename == d.m_filename)
if (GetActiveDirectory().m_dir_entries[i].m_gamecode == d.m_gamecode &&
GetActiveDirectory().m_dir_entries[i].m_filename == d.m_filename)
{
break;
}
@ -389,10 +404,10 @@ u8 GCMemcard::TitlePresent(const DEntry& d) const
bool GCMemcard::GCI_FileName(u8 index, std::string& filename) const
{
if (!m_valid || index >= DIRLEN ||
m_current_directory_block->m_dir_entries[index].m_gamecode == DEntry::UNINITIALIZED_GAMECODE)
GetActiveDirectory().m_dir_entries[index].m_gamecode == DEntry::UNINITIALIZED_GAMECODE)
return false;
filename = m_current_directory_block->m_dir_entries[index].GCI_FileName();
filename = GetActiveDirectory().m_dir_entries[index].GCI_FileName();
return true;
}
@ -404,9 +419,9 @@ std::string GCMemcard::DEntry_GameCode(u8 index) const
if (!m_valid || index >= DIRLEN)
return "";
return std::string(reinterpret_cast<const char*>(
m_current_directory_block->m_dir_entries[index].m_gamecode.data()),
m_current_directory_block->m_dir_entries[index].m_gamecode.size());
return std::string(
reinterpret_cast<const char*>(GetActiveDirectory().m_dir_entries[index].m_gamecode.data()),
GetActiveDirectory().m_dir_entries[index].m_gamecode.size());
}
std::string GCMemcard::DEntry_Makercode(u8 index) const
@ -414,9 +429,9 @@ std::string GCMemcard::DEntry_Makercode(u8 index) const
if (!m_valid || index >= DIRLEN)
return "";
return std::string(reinterpret_cast<const char*>(
m_current_directory_block->m_dir_entries[index].m_makercode.data()),
m_current_directory_block->m_dir_entries[index].m_makercode.size());
return std::string(
reinterpret_cast<const char*>(GetActiveDirectory().m_dir_entries[index].m_makercode.data()),
GetActiveDirectory().m_dir_entries[index].m_makercode.size());
}
std::string GCMemcard::DEntry_BIFlags(u8 index) const
@ -425,7 +440,7 @@ std::string GCMemcard::DEntry_BIFlags(u8 index) const
return "";
std::string flags;
int x = m_current_directory_block->m_dir_entries[index].m_banner_and_icon_flags;
int x = GetActiveDirectory().m_dir_entries[index].m_banner_and_icon_flags;
for (int i = 0; i < 8; i++)
{
flags.push_back((x & 0x80) ? '1' : '0');
@ -439,9 +454,9 @@ std::string GCMemcard::DEntry_FileName(u8 index) const
if (!m_valid || index >= DIRLEN)
return "";
return std::string(reinterpret_cast<const char*>(
m_current_directory_block->m_dir_entries[index].m_filename.data()),
m_current_directory_block->m_dir_entries[index].m_filename.size());
return std::string(
reinterpret_cast<const char*>(GetActiveDirectory().m_dir_entries[index].m_filename.data()),
GetActiveDirectory().m_dir_entries[index].m_filename.size());
}
u32 GCMemcard::DEntry_ModTime(u8 index) const
@ -449,7 +464,7 @@ u32 GCMemcard::DEntry_ModTime(u8 index) const
if (!m_valid || index >= DIRLEN)
return 0xFFFFFFFF;
return m_current_directory_block->m_dir_entries[index].m_modification_time;
return GetActiveDirectory().m_dir_entries[index].m_modification_time;
}
u32 GCMemcard::DEntry_ImageOffset(u8 index) const
@ -457,7 +472,7 @@ u32 GCMemcard::DEntry_ImageOffset(u8 index) const
if (!m_valid || index >= DIRLEN)
return 0xFFFFFFFF;
return m_current_directory_block->m_dir_entries[index].m_image_offset;
return GetActiveDirectory().m_dir_entries[index].m_image_offset;
}
std::string GCMemcard::DEntry_IconFmt(u8 index) const
@ -466,7 +481,7 @@ std::string GCMemcard::DEntry_IconFmt(u8 index) const
return "";
std::array<u8, 2> tmp;
memcpy(tmp.data(), &m_current_directory_block->m_dir_entries[index].m_icon_format, 2);
memcpy(tmp.data(), &GetActiveDirectory().m_dir_entries[index].m_icon_format, 2);
int x = tmp[0];
std::string format;
for (int i = 0; i < 16; i++)
@ -485,7 +500,7 @@ std::string GCMemcard::DEntry_AnimSpeed(u8 index) const
return "";
std::array<u8, 2> tmp;
memcpy(tmp.data(), &m_current_directory_block->m_dir_entries[index].m_animation_speed, 2);
memcpy(tmp.data(), &GetActiveDirectory().m_dir_entries[index].m_animation_speed, 2);
int x = tmp[0];
std::string speed;
for (int i = 0; i < 16; i++)
@ -503,7 +518,7 @@ std::string GCMemcard::DEntry_Permissions(u8 index) const
if (!m_valid || index >= DIRLEN)
return "";
u8 Permissions = m_current_directory_block->m_dir_entries[index].m_file_permissions;
u8 Permissions = GetActiveDirectory().m_dir_entries[index].m_file_permissions;
std::string permissionsString;
permissionsString.push_back((Permissions & 16) ? 'x' : 'M');
permissionsString.push_back((Permissions & 8) ? 'x' : 'C');
@ -516,7 +531,7 @@ u8 GCMemcard::DEntry_CopyCounter(u8 index) const
if (!m_valid || index >= DIRLEN)
return 0xFF;
return m_current_directory_block->m_dir_entries[index].m_copy_counter;
return GetActiveDirectory().m_dir_entries[index].m_copy_counter;
}
u16 GCMemcard::DEntry_FirstBlock(u8 index) const
@ -524,7 +539,7 @@ u16 GCMemcard::DEntry_FirstBlock(u8 index) const
if (!m_valid || index >= DIRLEN)
return 0xFFFF;
u16 block = m_current_directory_block->m_dir_entries[index].m_first_block;
u16 block = GetActiveDirectory().m_dir_entries[index].m_first_block;
if (block > (u16)m_size_blocks)
return 0xFFFF;
return block;
@ -535,7 +550,7 @@ u16 GCMemcard::DEntry_BlockCount(u8 index) const
if (!m_valid || index >= DIRLEN)
return 0xFFFF;
u16 blocks = m_current_directory_block->m_dir_entries[index].m_block_count;
u16 blocks = GetActiveDirectory().m_dir_entries[index].m_block_count;
if (blocks > (u16)m_size_blocks)
return 0xFFFF;
return blocks;
@ -546,7 +561,7 @@ u32 GCMemcard::DEntry_CommentsAddress(u8 index) const
if (!m_valid || index >= DIRLEN)
return 0xFFFF;
return m_current_directory_block->m_dir_entries[index].m_comments_address;
return GetActiveDirectory().m_dir_entries[index].m_comments_address;
}
std::string GCMemcard::GetSaveComment1(u8 index) const
@ -554,8 +569,8 @@ std::string GCMemcard::GetSaveComment1(u8 index) const
if (!m_valid || index >= DIRLEN)
return "";
u32 Comment1 = m_current_directory_block->m_dir_entries[index].m_comments_address;
u32 DataBlock = m_current_directory_block->m_dir_entries[index].m_first_block - MC_FST_BLOCKS;
u32 Comment1 = GetActiveDirectory().m_dir_entries[index].m_comments_address;
u32 DataBlock = GetActiveDirectory().m_dir_entries[index].m_first_block - MC_FST_BLOCKS;
if ((DataBlock > m_size_blocks) || (Comment1 == 0xFFFFFFFF))
{
return "";
@ -568,9 +583,9 @@ std::string GCMemcard::GetSaveComment2(u8 index) const
if (!m_valid || index >= DIRLEN)
return "";
u32 Comment1 = m_current_directory_block->m_dir_entries[index].m_comments_address;
u32 Comment1 = GetActiveDirectory().m_dir_entries[index].m_comments_address;
u32 Comment2 = Comment1 + DENTRY_STRLEN;
u32 DataBlock = m_current_directory_block->m_dir_entries[index].m_first_block - MC_FST_BLOCKS;
u32 DataBlock = GetActiveDirectory().m_dir_entries[index].m_first_block - MC_FST_BLOCKS;
if ((DataBlock > m_size_blocks) || (Comment1 == 0xFFFFFFFF))
{
return "";
@ -583,7 +598,7 @@ bool GCMemcard::GetDEntry(u8 index, DEntry& dest) const
if (!m_valid || index >= DIRLEN)
return false;
dest = m_current_directory_block->m_dir_entries[index];
dest = GetActiveDirectory().m_dir_entries[index];
return true;
}
@ -658,7 +673,7 @@ u32 GCMemcard::GetSaveData(u8 index, std::vector<GCMBlock>& Blocks) const
if ((!nextBlock) || (nextBlock == 0xFFFF))
return FAIL;
Blocks.push_back(m_data_blocks[nextBlock - MC_FST_BLOCKS]);
nextBlock = m_current_bat_block->GetNextBlock(nextBlock);
nextBlock = GetActiveBat().GetNextBlock(nextBlock);
}
return SUCCESS;
}
@ -673,7 +688,7 @@ u32 GCMemcard::ImportFile(const DEntry& direntry, std::vector<GCMBlock>& saveBlo
{
return OUTOFDIRENTRIES;
}
if (m_current_bat_block->m_free_blocks < direntry.m_block_count)
if (GetActiveBat().m_free_blocks < direntry.m_block_count)
{
return OUTOFBLOCKS;
}
@ -683,11 +698,11 @@ u32 GCMemcard::ImportFile(const DEntry& direntry, std::vector<GCMBlock>& saveBlo
}
// find first free data block
u16 firstBlock = m_current_bat_block->NextFreeBlock(m_size_blocks,
m_current_bat_block->m_last_allocated_block);
u16 firstBlock =
GetActiveBat().NextFreeBlock(m_size_blocks, GetActiveBat().m_last_allocated_block);
if (firstBlock == 0xFFFF)
return OUTOFBLOCKS;
Directory UpdatedDir = *m_current_directory_block;
Directory UpdatedDir = GetActiveDirectory();
// find first free dir entry
for (int i = 0; i < DIRLEN; i++)
@ -701,24 +716,14 @@ u32 GCMemcard::ImportFile(const DEntry& direntry, std::vector<GCMBlock>& saveBlo
}
}
UpdatedDir.m_update_counter = UpdatedDir.m_update_counter + 1;
*m_previous_directory_block = UpdatedDir;
if (m_previous_directory_block == &m_directory_blocks[0])
{
m_current_directory_block = &m_directory_blocks[0];
m_previous_directory_block = &m_directory_blocks[1];
}
else
{
m_current_directory_block = &m_directory_blocks[1];
m_previous_directory_block = &m_directory_blocks[0];
}
UpdateDirectory(UpdatedDir);
int fileBlocks = direntry.m_block_count;
FZEROGX_MakeSaveGameValid(m_header_block, direntry, saveBlocks);
PSO_MakeSaveGameValid(m_header_block, direntry, saveBlocks);
BlockAlloc UpdatedBat = *m_current_bat_block;
BlockAlloc UpdatedBat = GetActiveBat();
u16 nextBlock;
// keep assuming no freespace fragmentation, and copy over all the data
for (int i = 0; i < fileBlocks; ++i)
@ -737,17 +742,7 @@ u32 GCMemcard::ImportFile(const DEntry& direntry, std::vector<GCMBlock>& saveBlo
UpdatedBat.m_free_blocks = UpdatedBat.m_free_blocks - fileBlocks;
UpdatedBat.m_update_counter = UpdatedBat.m_update_counter + 1;
*m_previous_bat_block = UpdatedBat;
if (m_previous_bat_block == &m_bat_blocks[0])
{
m_current_bat_block = &m_bat_blocks[0];
m_previous_bat_block = &m_bat_blocks[1];
}
else
{
m_current_bat_block = &m_bat_blocks[1];
m_previous_bat_block = &m_bat_blocks[0];
}
UpdateBat(UpdatedBat);
FixChecksums();
@ -761,26 +756,16 @@ u32 GCMemcard::RemoveFile(u8 index) // index in the directory array
if (index >= DIRLEN)
return DELETE_FAIL;
u16 startingblock = m_current_directory_block->m_dir_entries[index].m_first_block;
u16 numberofblocks = m_current_directory_block->m_dir_entries[index].m_block_count;
u16 startingblock = GetActiveDirectory().m_dir_entries[index].m_first_block;
u16 numberofblocks = GetActiveDirectory().m_dir_entries[index].m_block_count;
BlockAlloc UpdatedBat = *m_current_bat_block;
BlockAlloc UpdatedBat = GetActiveBat();
if (!UpdatedBat.ClearBlocks(startingblock, numberofblocks))
return DELETE_FAIL;
UpdatedBat.m_update_counter = UpdatedBat.m_update_counter + 1;
*m_previous_bat_block = UpdatedBat;
if (m_previous_bat_block == &m_bat_blocks[0])
{
m_current_bat_block = &m_bat_blocks[0];
m_previous_bat_block = &m_bat_blocks[1];
}
else
{
m_current_bat_block = &m_bat_blocks[1];
m_previous_bat_block = &m_bat_blocks[0];
}
UpdateBat(UpdatedBat);
Directory UpdatedDir = *m_current_directory_block;
Directory UpdatedDir = GetActiveDirectory();
/*
// TODO: determine when this is used, even on the same memory card I have seen
// both update to broken file, and not updated
@ -804,17 +789,7 @@ u32 GCMemcard::RemoveFile(u8 index) // index in the directory array
*/
memset(&(UpdatedDir.m_dir_entries[index]), 0xFF, DENTRY_SIZE);
UpdatedDir.m_update_counter = UpdatedDir.m_update_counter + 1;
*m_previous_directory_block = UpdatedDir;
if (m_previous_directory_block == &m_directory_blocks[0])
{
m_current_directory_block = &m_directory_blocks[0];
m_previous_directory_block = &m_directory_blocks[1];
}
else
{
m_current_directory_block = &m_directory_blocks[1];
m_previous_directory_block = &m_directory_blocks[0];
}
UpdateDirectory(UpdatedDir);
FixChecksums();
@ -1099,7 +1074,7 @@ bool GCMemcard::ReadBannerRGBA8(u8 index, u32* buffer) const
if (!m_valid || index >= DIRLEN)
return false;
int flags = m_current_directory_block->m_dir_entries[index].m_banner_and_icon_flags;
int flags = GetActiveDirectory().m_dir_entries[index].m_banner_and_icon_flags;
// Timesplitters 2 is the only game that I see this in
// May be a hack
if (flags == 0xFB)
@ -1110,8 +1085,8 @@ bool GCMemcard::ReadBannerRGBA8(u8 index, u32* buffer) const
if (bnrFormat == 0)
return false;
u32 DataOffset = m_current_directory_block->m_dir_entries[index].m_image_offset;
u32 DataBlock = m_current_directory_block->m_dir_entries[index].m_first_block - MC_FST_BLOCKS;
u32 DataOffset = GetActiveDirectory().m_dir_entries[index].m_image_offset;
u32 DataBlock = GetActiveDirectory().m_dir_entries[index].m_first_block - MC_FST_BLOCKS;
if ((DataBlock > m_size_blocks) || (DataOffset == 0xFFFFFFFF))
{
@ -1145,10 +1120,10 @@ u32 GCMemcard::ReadAnimRGBA8(u8 index, u32* buffer, u8* delays) const
// Sonic Heroes it the only game I have seen that tries to use a CI8 and RGB5A3 icon
// int fmtCheck = 0;
int formats = m_current_directory_block->m_dir_entries[index].m_icon_format;
int fdelays = m_current_directory_block->m_dir_entries[index].m_animation_speed;
int formats = GetActiveDirectory().m_dir_entries[index].m_icon_format;
int fdelays = GetActiveDirectory().m_dir_entries[index].m_animation_speed;
int flags = m_current_directory_block->m_dir_entries[index].m_banner_and_icon_flags;
int flags = GetActiveDirectory().m_dir_entries[index].m_banner_and_icon_flags;
// Timesplitters 2 and 3 is the only game that I see this in
// May be a hack
// if (flags == 0xFB) flags = ~flags;
@ -1157,8 +1132,8 @@ u32 GCMemcard::ReadAnimRGBA8(u8 index, u32* buffer, u8* delays) const
int bnrFormat = (flags & 3);
u32 DataOffset = m_current_directory_block->m_dir_entries[index].m_image_offset;
u32 DataBlock = m_current_directory_block->m_dir_entries[index].m_first_block - MC_FST_BLOCKS;
u32 DataOffset = GetActiveDirectory().m_dir_entries[index].m_image_offset;
u32 DataBlock = GetActiveDirectory().m_dir_entries[index].m_first_block - MC_FST_BLOCKS;
if ((DataBlock > m_size_blocks) || (DataOffset == 0xFFFFFFFF))
{
@ -1304,7 +1279,7 @@ bool GCMemcard::Format(bool shift_jis, u16 SizeMb)
m_data_blocks.clear();
m_data_blocks.resize(m_size_blocks - MC_FST_BLOCKS);
InitDirBatPointers();
InitActiveDirBat();
m_valid = true;
return Save();

14
Source/Core/Core/HW/GCMemcard/GCMemcard.h
View file

@ -334,14 +334,18 @@ private:
std::array<BlockAlloc, 2> m_bat_blocks;
std::vector<GCMBlock> m_data_blocks;
Directory* m_current_directory_block;
Directory* m_previous_directory_block;
BlockAlloc* m_current_bat_block;
BlockAlloc* m_previous_bat_block;
int m_active_directory;
int m_active_bat;
u32 ImportGciInternal(File::IOFile&& gci, const std::string& inputFile,
const std::string& outputFile);
void InitDirBatPointers();
void InitActiveDirBat();
const Directory& GetActiveDirectory() const;
const BlockAlloc& GetActiveBat() const;
void UpdateDirectory(const Directory& directory);
void UpdateBat(const BlockAlloc& bat);
public:
explicit GCMemcard(const std::string& fileName, bool forceCreation = false,