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#include "global.h"
OSPfs sMempakPfsHandle;
s32 sMempakFreeBytes;
s32 sMempakFiles[10];
u16 sMempakCompanyCode = 1;
u32 sMempakGameCode = 1;
// "ZELDA DEMO TOOL "
u8 sMempakGameName[0x10] = { 0x33, 0x1E, 0x25, 0x1D, 0x1A, 0x0F, 0x1D, 0x1E,
0x26, 0x28, 0x0F, 0x2D, 0x28, 0x28, 0x25, 0x0F };
u8 sMempakExtName[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
s32 Mempak_Init(s32 controllerNb) {
OSMesgQueue* mq;
s32 pad;
s32 ret = false;
mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
if (!osPfsInitPak(mq, &sMempakPfsHandle, controllerNb)) {
ret = true;
}
osPfsFreeBlocks(&sMempakPfsHandle, &sMempakFreeBytes);
PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
return ret;
}
s32 Mempak_GetFreeBytes(s32 controllerNb) {
return sMempakFreeBytes;
}
s32 Mempak_FindFile(s32 controllerNb, char start, char end) {
OSMesgQueue* mq;
s32 error;
char idx;
u32 bit = 1;
s32 flag = 0;
mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
for (idx = start; idx <= end; idx++) {
sMempakExtName[0] = idx - 0x27;
error = osPfsFindFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName, sMempakExtName,
&sMempakFiles[idx - 'A']);
if (error == 0) {
flag |= bit;
} else {
sMempakFiles[idx - 'A'] = -1;
}
bit <<= 1;
osSyncPrintf("mempak: find '%c' (%d)\n", idx, error);
}
PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
osSyncPrintf("mempak: find '%c' - '%c' %02x\n", start, end, flag);
return flag;
}
s32 Mempak_Write(s32 controllerNb, char idx, void* buffer, s32 offset, ptrdiff_t size) {
OSMesgQueue* mq;
s32 error;
s32 ret = false;
s32 pad;
mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
if (size < sMempakFreeBytes) {
error = osPfsReadWriteFile(&sMempakPfsHandle, sMempakFiles[idx - 'A'], 1, offset, size, buffer);
if (error == 0) {
ret = true;
}
osSyncPrintf("mempak: write %d byte '%c' (%d)->%d\n", size, idx, sMempakFiles[idx - 'A'], error);
}
PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
return ret;
}
s32 Mempak_Read(s32 controllerNb, char idx, void* buffer, s32 offset, ptrdiff_t size) {
OSMesgQueue* mq;
s32 error;
s32 ret = false;
s32 pad;
mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
if (size < sMempakFreeBytes) {
error = osPfsReadWriteFile(&sMempakPfsHandle, sMempakFiles[idx - 'A'], 0, offset, size, buffer);
if (error == 0) {
ret = true;
}
osSyncPrintf("mempak: read %d byte '%c' (%d)<-%d\n", size, idx, sMempakFiles[idx - 'A'], error);
}
PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
return ret;
}
s32 Mempak_Alloc(s32 controllerNb, char* idx, ptrdiff_t size) {
OSMesgQueue* mq;
s32 error;
s32 ret = 0;
s32 i;
s32 pad;
mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
if (*idx >= 'A' && *idx < 'L') {
sMempakExtName[0] = *idx - 0x27;
if (-1 == sMempakFiles[*idx - 'A']) {
error = osPfsAllocateFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName,
sMempakExtName, size, &sMempakFiles[*idx - 'A']);
if (error == 0) {
ret = 1;
}
osSyncPrintf("mempak: alloc %d byte '%c' (%d)\n", size, *idx, error);
} else {
sMempakExtName[0] = *idx - 0x27;
if (osPfsDeleteFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName,
sMempakExtName) == 0) {
ret = 1;
}
error = osPfsAllocateFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName,
sMempakExtName, size, &sMempakFiles[*idx - 'A']);
if (error == 0) {
ret |= 1;
}
osSyncPrintf("mempak: resize %d byte '%c' (%d)\n", size, *idx, error);
}
} else {
for (i = 0; i < ARRAY_COUNT(sMempakFiles); i++) {
if (sMempakFiles[i] == -1) {
break;
}
}
*idx = i + 'A';
sMempakExtName[0] = *idx - 0x27;
error = osPfsAllocateFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName,
sMempakExtName, size, &sMempakFiles[i]);
osSyncPrintf("mempak: alloc %d byte '%c' (%d) with search\n", size, *idx, error);
if (error == 0) {
ret = 1;
}
}
PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
return ret;
}
s32 Mempak_DeleteFile(s32 controllerNb, char idx) {
OSMesgQueue* mq;
s32 error;
s32 ret = false;
mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
sMempakExtName[0] = idx - 0x27;
error = osPfsDeleteFile(&sMempakPfsHandle, sMempakCompanyCode, sMempakGameCode, sMempakGameName, sMempakExtName);
if (error == 0) {
ret = true;
}
osSyncPrintf("mempak: delete '%c' (%d)\n", idx, error);
PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
return ret;
}
s32 Mempak_GetFileSize(s32 controllerNb, char idx) {
OSMesgQueue* mq = PadMgr_LockSerialMesgQueue(&gPadMgr);
OSPfsState state;
s32 error = osPfsFileState(&sMempakPfsHandle, sMempakFiles[idx - 'A'], &state);
s32 pad;
PadMgr_UnlockSerialMesgQueue(&gPadMgr, mq);
if (error != 0) {
return 0;
}
return state.file_size;
}
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