From 8355363dcd4783eea852768e2007d8c29c069fef Mon Sep 17 00:00:00 2001 From: LPFaint99 Date: Sat, 10 Dec 2011 15:44:40 -0800 Subject: [PATCH] change the data section from a plain array to a vector of blocks (arrays of 0x2000) Signed-off-by: LPFaint99 --- Source/Core/Core/Src/HW/GCMemcard.cpp | 171 ++++++++++++-------------- Source/Core/Core/Src/HW/GCMemcard.h | 15 ++- 2 files changed, 91 insertions(+), 95 deletions(-) diff --git a/Source/Core/Core/Src/HW/GCMemcard.cpp b/Source/Core/Core/Src/HW/GCMemcard.cpp index cd72a6826d..7a574b7106 100644 --- a/Source/Core/Core/Src/HW/GCMemcard.cpp +++ b/Source/Core/Core/Src/HW/GCMemcard.cpp @@ -63,7 +63,6 @@ void decodeCI8image(u32* dst, u8* src, u16* pal, int width, int height) GCMemcard::GCMemcard(const char *filename, bool forceCreation, bool sjis) : m_valid(false) , m_fileName(filename) - , mc_data(NULL) { File::IOFile mcdFile(m_fileName, "r+b"); if (!mcdFile.IsOpen()) @@ -209,16 +208,22 @@ GCMemcard::GCMemcard(const char *filename, bool forceCreation, bool sjis) mcdFile.Seek(0xa000, SEEK_SET); maxBlock = (u32)m_sizeMb * MBIT_TO_BLOCKS; - mc_data_size = (maxBlock - MC_FST_BLOCKS) * BLOCK_SIZE; - mc_data = new u8[mc_data_size]; - - if (mcdFile.ReadBytes(mc_data, mc_data_size)) + mc_data_blocks.reserve(maxBlock - MC_FST_BLOCKS); + + m_valid = true; + for (u32 i = MC_FST_BLOCKS; i < maxBlock; ++i) { - m_valid = true; - } - else - { - PanicAlertT("Failed to read save data\n(0xA000-)\nMemcard may be truncated"); + GCMBlock b; + if (mcdFile.ReadBytes(b.block, BLOCK_SIZE)) + { + mc_data_blocks.push_back(b); + } + else + { + PanicAlertT("Failed to read block %d of the save data\nMemcard may be truncated\nFilePosition:%llx", i, mcdFile.Tell()); + m_valid = false; + break; + } } mcdFile.Close(); @@ -239,7 +244,10 @@ bool GCMemcard::Save() mcdFile.WriteBytes(&dir_backup, BLOCK_SIZE); mcdFile.WriteBytes(&bat, BLOCK_SIZE); mcdFile.WriteBytes(&bat_backup, BLOCK_SIZE); - mcdFile.WriteBytes(mc_data, mc_data_size); + for (int i = 0; i < maxBlock - MC_FST_BLOCKS; ++i) + { + mcdFile.WriteBytes(mc_data_blocks[i].block, BLOCK_SIZE); + } return mcdFile.Close(); } @@ -373,6 +381,7 @@ bool GCMemcard::GCI_FileName(u8 index, std::string &filename) const filename = std::string((char*)dir.Dir[index].Gamecode, 4) + '_' + (char*)dir.Dir[index].Filename + ".gci"; return true; } + // DEntry functions, all take u8 index < DIRLEN (127) // Functions that have ascii output take a char *buffer @@ -446,7 +455,7 @@ std::string GCMemcard::DEntry_IconFmt(u8 index) const u16 GCMemcard::DEntry_AnimSpeed(u8 index) const { if (!m_valid || index > DIRLEN) - return 0; + return 0xFF; return BE16(dir.Dir[index].AnimSpeed); } @@ -508,7 +517,7 @@ std::string GCMemcard::GetSaveComment1(u8 index) const { return ""; } - return std::string((const char *)mc_data + (DataBlock * BLOCK_SIZE) + Comment1, DENTRY_STRLEN); + return std::string((const char *)mc_data_blocks[DataBlock].block + Comment1, DENTRY_STRLEN); } std::string GCMemcard::GetSaveComment2(u8 index) const @@ -523,7 +532,7 @@ std::string GCMemcard::GetSaveComment2(u8 index) const { return ""; } - return std::string((const char *)mc_data + (DataBlock * BLOCK_SIZE) + Comment2, DENTRY_STRLEN); + return std::string((const char *)mc_data_blocks[DataBlock].block + Comment2, DENTRY_STRLEN); } bool GCMemcard::GetDEntry(u8 index, DEntry &dest) const @@ -534,7 +543,7 @@ bool GCMemcard::GetDEntry(u8 index, DEntry &dest) const return true; } -u32 GCMemcard::DEntry_GetSaveData(u8 index, u8* dest, bool old) const +u32 GCMemcard::GetSaveData(u8 index, std::vector & Blocks) const { if (!m_valid) return NOMEMCARD; @@ -549,31 +558,15 @@ u32 GCMemcard::DEntry_GetSaveData(u8 index, u8* dest, bool old) const return FAIL; } - if (!old) + for (int i = 0; i < saveLength; ++i) { - memcpy(dest, mc_data + BLOCK_SIZE * (block - MC_FST_BLOCKS), saveLength * BLOCK_SIZE); - } - else - { - if (block == 0) return FAIL; - while (block != 0xffff) - { - memcpy(dest, mc_data + BLOCK_SIZE * (block - MC_FST_BLOCKS), BLOCK_SIZE); - dest += BLOCK_SIZE; - - u16 nextblock = Common::swap16(bat.Map[block - MC_FST_BLOCKS]); - if (block + saveLength != memcardSize && nextblock > 0) - {//Fixes for older memcards that were not initialized with FF - block = nextblock; - } - else break; - } + Blocks.push_back(mc_data_blocks[i + block-MC_FST_BLOCKS]); } return SUCCESS; } // End DEntry functions -u32 GCMemcard::ImportFile(DEntry& direntry, u8* contents, int remove) +u32 GCMemcard::ImportFile(DEntry& direntry, std::vector &saveBlocks, int remove) { if (!m_valid) return NOMEMCARD; @@ -627,11 +620,15 @@ u32 GCMemcard::ImportFile(DEntry& direntry, u8* contents, int remove) } } - // keep assuming no freespace fragmentation, and copy over all the data - u8 *destination = mc_data + (firstFree1 - MC_FST_BLOCKS) * BLOCK_SIZE; int fileBlocks = BE16(direntry.BlockCount); - memcpy(destination, contents, BLOCK_SIZE * fileBlocks); + firstFree1 -= MC_FST_BLOCKS; + // keep assuming no freespace fragmentation, and copy over all the data + for (int i = 0; i < fileBlocks; ++i) + { + mc_data_blocks[i + firstFree1] = saveBlocks[i]; + } + bat_backup = bat; u16 last = BE16(bat_backup.LastAllocated); u16 i = (last - 4); @@ -694,34 +691,31 @@ u32 GCMemcard::RemoveFile(u8 index) //index in the directory array { DEntry tempDEntry; GetDEntry(nextIndex, tempDEntry); - u8 * tempSaveData = NULL; + std::vector saveData; + u16 size = 0; //Only get file data if it is a valid dir entry if (BE16(tempDEntry.FirstBlock) != 0xFFFF) { *(u16*)&bat.FreeBlocks = BE16(BE16(bat.FreeBlocks) - BE16(tempDEntry.BlockCount)); - u16 size = DEntry_BlockCount(nextIndex); + size = DEntry_BlockCount(nextIndex); if (size != 0xFFFF) { - tempSaveData = new u8[size * BLOCK_SIZE]; - switch (DEntry_GetSaveData(nextIndex, tempSaveData, true)) + saveData.reserve(size); + switch (GetSaveData(nextIndex, saveData)) { case NOMEMCARD: - delete[] tempSaveData; - tempSaveData = NULL; break; case FAIL: - delete[] tempSaveData; return FAIL; } } } memset(&(dir.Dir[nextIndex]), 0xFF, DENTRY_SIZE); - //Only call import file if DEntry_GetSaveData returns SUCCESS - if (tempSaveData != NULL) + //Only call import file if GetSaveData returns SUCCESS + if (saveData.size() == size) { - ImportFile(tempDEntry, tempSaveData, blocks_left); - delete[] tempSaveData; + ImportFile(tempDEntry, saveData, blocks_left); } nextIndex++; @@ -751,20 +745,17 @@ u32 GCMemcard::CopyFrom(const GCMemcard& source, u8 index) u32 size = source.DEntry_BlockCount(index); if (size == 0xFFFF) return INVALIDFILESIZE; - u8 *tempSaveData = new u8[size * BLOCK_SIZE]; - switch (source.DEntry_GetSaveData(index, tempSaveData, true)) + std::vector saveData; + saveData.reserve(size); + switch (source.GetSaveData(index, saveData)) { case FAIL: - delete[] tempSaveData; return FAIL; case NOMEMCARD: - delete[] tempSaveData; return NOMEMCARD; default: - u32 ret = ImportFile(tempDEntry, tempSaveData, 0); - delete[] tempSaveData; - return ret; + return ImportFile(tempDEntry, saveData, 0); } } @@ -828,9 +819,16 @@ u32 GCMemcard::ImportGciInternal(FILE* gcih, const char *inputFile, const std::s if (gci.Tell() != offset + DENTRY_SIZE) // Verify correct file position return OPENFAIL; - u32 size = BE16((tempDEntry.BlockCount)) * BLOCK_SIZE; - u8 *tempSaveData = new u8[size]; - gci.ReadBytes(tempSaveData, size); + u32 size = BE16((tempDEntry.BlockCount)); + std::vector saveData; + saveData.reserve(size); + + for (int i = 0; i < size; ++i) + { + GCMBlock b; + gci.ReadBytes(b.block, BLOCK_SIZE); + saveData.push_back(b); + } u32 ret; if (!outputFile.empty()) { @@ -838,7 +836,6 @@ u32 GCMemcard::ImportGciInternal(FILE* gcih, const char *inputFile, const std::s bool completeWrite = true; if (!gci2) { - delete[] tempSaveData; return OPENFAIL; } gci2.Seek(0, SEEK_SET); @@ -848,30 +845,32 @@ u32 GCMemcard::ImportGciInternal(FILE* gcih, const char *inputFile, const std::s int fileBlocks = BE16(tempDEntry.BlockCount); gci2.Seek(DENTRY_SIZE, SEEK_SET); - if (!gci2.WriteBytes(tempSaveData, BLOCK_SIZE * fileBlocks)) + for (int i = 0; i < fileBlocks; ++i) + { + if (!gci2.WriteBytes(saveData[i].block, BLOCK_SIZE)) completeWrite = false; + } + if (completeWrite) ret = GCS; else ret = WRITEFAIL; } else - ret = ImportFile(tempDEntry, tempSaveData, 0); + ret = ImportFile(tempDEntry, saveData, 0); - delete[] tempSaveData; return ret; } -u32 GCMemcard::ExportGci(u8 index, const char* fileName, const std::string &directory) const +u32 GCMemcard::ExportGci(u8 index, const char *fileName, const std::string &directory) const { File::IOFile gci; int offset = GCI; - if (!strcasecmp(fileName, ".")) + if (!fileName) { - if (BE32(dir.Dir[index].Gamecode) == 0xFFFFFFFF) return SUCCESS; - - std::string outpuName = directory + DIR_SEP + DEntry_GameCode(index) + '_' + (char*)dir.Dir[index].Filename + ".gci"; - gci.Open(outpuName, "wb"); + std::string gciFilename; + if (!GCI_FileName(index, gciFilename)) return SUCCESS; + gci.Open(directory + DIR_SEP + gciFilename, "wb"); } else { @@ -926,23 +925,21 @@ u32 GCMemcard::ExportGci(u8 index, const char* fileName, const std::string &dire return FAIL; } - size *= BLOCK_SIZE; - u8 *tempSaveData = new u8[size]; + std::vector saveData; + saveData.reserve(size); - switch(DEntry_GetSaveData(index, tempSaveData, true)) + switch(GetSaveData(index, saveData)) { case FAIL: - delete[] tempSaveData; return FAIL; - case NOMEMCARD: - delete[] tempSaveData; return NOMEMCARD; } gci.Seek(DENTRY_SIZE + offset, SEEK_SET); - gci.WriteBytes(tempSaveData, size); - - delete[] tempSaveData; + for (int i = 0; i < size; ++i) + { + gci.WriteBytes(saveData[i].block, BLOCK_SIZE); + } if (gci.IsGood()) return SUCCESS; @@ -1013,14 +1010,14 @@ bool GCMemcard::ReadBannerRGBA8(u8 index, u32* buffer) const if (bnrFormat&1) { - u8 *pxdata = (u8* )(mc_data + (DataBlock * BLOCK_SIZE) + DataOffset); - u16 *paldata = (u16*)(mc_data + (DataBlock * BLOCK_SIZE) + DataOffset + pixels); + u8 *pxdata = (u8* )(mc_data_blocks[DataBlock].block + DataOffset); + u16 *paldata = (u16*)(mc_data_blocks[DataBlock].block + DataOffset + pixels); decodeCI8image(buffer, pxdata, paldata, 96, 32); } else { - u16 *pxdata = (u16*)(mc_data + (DataBlock * BLOCK_SIZE) + DataOffset); + u16 *pxdata = (u16*)(mc_data_blocks[DataBlock].block + DataOffset); decode5A3image(buffer, pxdata, 96, 32); } @@ -1053,7 +1050,7 @@ u32 GCMemcard::ReadAnimRGBA8(u8 index, u32* buffer, u8 *delays) const return 0; } - u8* animData = (u8*)(mc_data + (DataBlock * BLOCK_SIZE) + DataOffset); + u8* animData = (u8*)(mc_data_blocks[DataBlock].block + DataOffset); switch (bnrFormat) { @@ -1169,17 +1166,13 @@ bool GCMemcard::Format(bool sjis, u16 SizeMb) m_sizeMb = SizeMb; maxBlock = (u32)m_sizeMb * MBIT_TO_BLOCKS; - if (mc_data) + mc_data_blocks.reserve(maxBlock - MC_FST_BLOCKS); + for (u32 i = 0; i < (maxBlock - MC_FST_BLOCKS); ++i) { - delete mc_data; - mc_data = NULL; + GCMBlock b; + mc_data_blocks.push_back(b); } - mc_data_size = BLOCK_SIZE * (m_sizeMb * MBIT_TO_BLOCKS - MC_FST_BLOCKS); - mc_data = new u8[mc_data_size]; - if (!mc_data) - return false; - memset(mc_data, 0xFF, mc_data_size); m_valid = true; return Save(); diff --git a/Source/Core/Core/Src/HW/GCMemcard.h b/Source/Core/Core/Src/HW/GCMemcard.h index 57a42b9d3a..e1ab970053 100644 --- a/Source/Core/Core/Src/HW/GCMemcard.h +++ b/Source/Core/Core/Src/HW/GCMemcard.h @@ -76,11 +76,14 @@ private: std::string m_fileName; u32 maxBlock; - u32 mc_data_size; - u8* mc_data; - u16 m_sizeMb; - + struct GCMBlock + { + GCMBlock(){erase();} + void erase() {memset(block, 0xFF, BLOCK_SIZE);} + u8 block[BLOCK_SIZE]; + }; + std::vector mc_data_blocks; #pragma pack(push,1) struct Header { //Offset Size Description // Serial in libogc @@ -220,11 +223,11 @@ public: // old determines if function uses old or new method of copying data // some functions only work with old way, some only work with new way // TODO: find a function that works for all calls or split into 2 functions - u32 DEntry_GetSaveData(u8 index, u8* buffer, bool old) const; + u32 GetSaveData(u8 index, std::vector &saveBlocks) const; // adds the file to the directory and copies its contents // if remove > 0 it will pad bat.map with 0's sizeof remove - u32 ImportFile(DEntry& direntry, u8* contents, int remove); + u32 ImportFile(DEntry& direntry, std::vector &saveBlocks, int remove); // delete a file from the directory u32 RemoveFile(u8 index);