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more work towards correct file importing 

Signed-off-by: LPFaint99 <lpfaint99@gmail.com>
This commit is contained in:
LPFaint99 2012-02-06 23:48:13 -08:00
parent e68b892cc6
commit 643770bff9
2 changed files with 18 additions and 5 deletions
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16
Source/Core/Core/Src/HW/GCMemcard.cpp
View File

@ -573,9 +573,16 @@ u16 GCMemcard::BlockAlloc::GetNextBlock(u16 Block) const
u16 GCMemcard::BlockAlloc::NextFreeBlock(u16 StartingBlock) const
{
if (FreeBlocks)
{
for (u16 i = StartingBlock; i < BAT_SIZE; ++i)
if (Map[i-MC_FST_BLOCKS] == 0)
return i;
for (u16 i = 0; i < StartingBlock; ++i)
if (Map[i-MC_FST_BLOCKS] == 0)
return i;
}
return 0xFFFF;
}
bool GCMemcard::BlockAlloc::ClearBlocks(u16 FirstBlock, u16 BlockCount)
@ -647,8 +654,9 @@ u32 GCMemcard::ImportFile(DEntry& direntry, std::vector<GCMBlock> &saveBlocks)
}
// find first free data block
u16 firstBlock = CurrentBat->NextFreeBlock();
u16 firstBlock = CurrentBat->NextFreeBlock(BE16(CurrentBat->LastAllocated));
if (firstBlock == 0xFFFF)
return OUTOFBLOCKS;
Directory UpdatedDir = *CurrentDir;
// find first free dir entry
@ -685,14 +693,18 @@ u32 GCMemcard::ImportFile(DEntry& direntry, std::vector<GCMBlock> &saveBlocks)
// keep assuming no freespace fragmentation, and copy over all the data
for (int i = 0; i < fileBlocks; ++i)
{
if (firstBlock == 0xFFFF)
PanicAlert("Fatal Error");
mc_data_blocks[firstBlock - MC_FST_BLOCKS] = saveBlocks[i];
if (i == fileBlocks-1)
nextBlock = 0xFFFF;
else
nextBlock = UpdatedBat.NextFreeBlock(firstBlock+1);
UpdatedBat.Map[firstBlock - MC_FST_BLOCKS] = BE16(nextBlock);
UpdatedBat.LastAllocated = BE16(firstBlock);
firstBlock = nextBlock;
}
UpdatedBat.FreeBlocks = BE16(BE16(UpdatedBat.FreeBlocks) - fileBlocks);
UpdatedBat.UpdateCounter = BE16(BE16(UpdatedBat.UpdateCounter) + 1);
*PreviousBat = UpdatedBat;

1
Source/Core/Core/Src/HW/GCMemcard.h
View File

@ -24,6 +24,7 @@
#include "StringUtil.h"
#include "EXI_DeviceIPL.h"
#define BE64(x) (Common::swap64(x))
#define BE32(x) (Common::swap32(x))
#define BE16(x) (Common::swap16(x))
#define ArrayByteSwap(a) (ByteSwap(a, a+sizeof(u8)));