105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
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#include "global.h"
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#include "gba/flash_internal.h"
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#include "load_save.h"
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#include "main.h"
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#include "pokemon.h"
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#include "rng.h"
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#include "malloc.h"
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extern u8 gPlayerPartyCount;
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extern struct PokemonStorage* gPokemonStoragePtr;
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extern void* gUnknown_0203CF5C;
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extern u8 gHeap[0x1C000];
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extern bool16 IdentifyFlash(void);
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extern void SetBagItemsPointers(void);
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extern void SetDecorationInventoriesPointers(void);
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extern void InitHeap(void *heapStart, u32 heapSize);
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void ApplyNewEncyprtionKeyToAllEncryptedData(u32 encryptionKey);
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#define SAVEBLOCK_MOVE_RANGE 128
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EWRAM_DATA struct SaveBlock2 gSaveblock2 = {0};
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EWRAM_DATA u8 gSaveblock2_DMA[SAVEBLOCK_MOVE_RANGE] = {0};
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EWRAM_DATA struct SaveBlock1 gSaveblock1 = {0};
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EWRAM_DATA u8 gSaveblock1_DMA[SAVEBLOCK_MOVE_RANGE] = {0};
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EWRAM_DATA struct PokemonStorage gPokemonStorage = {0};
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EWRAM_DATA u8 gSaveblock3_DMA[SAVEBLOCK_MOVE_RANGE] = {0};
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void CheckForFlashMemory(void)
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{
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if (!IdentifyFlash())
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{
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gFlashMemoryPresent = TRUE;
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InitFlashTimer();
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}
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else
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gFlashMemoryPresent = FALSE;
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}
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void ClearSav2(void)
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{
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CpuFill16(0, &gSaveblock2, sizeof(struct SaveBlock2) + sizeof(gSaveblock2_DMA));
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}
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void ClearSav1(void)
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{
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CpuFill16(0, &gSaveblock1, sizeof(struct SaveBlock1) + sizeof(gSaveblock1_DMA));
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}
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void SetSaveBlocksPointers(u16 offset)
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{
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struct SaveBlock1** sav1_LocalVar = &gSaveBlock1Ptr;
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offset = (offset + Random()) & (SAVEBLOCK_MOVE_RANGE - 4);
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gSaveBlock2Ptr = (void*)(&gSaveblock2) + offset;
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*sav1_LocalVar = (void*)(&gSaveblock1) + offset;
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gPokemonStoragePtr = (void*)(&gPokemonStorage) + offset;
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SetBagItemsPointers();
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SetDecorationInventoriesPointers();
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}
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/*
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void MoveSaveBlocks_ResetHeap(void)
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{
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void *vblankCB, *hblankCB;
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u32 encryptionKey;
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// save interrupt functions and turn them off
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vblankCB = gMain.vblankCallback;
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hblankCB = gMain.hblankCallback;
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gMain.vblankCallback = NULL;
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gMain.hblankCallback = NULL;
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gUnknown_0203CF5C = NULL;
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// copy saveblocks' content
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memcpy(gHeap, gSaveBlock2Ptr, sizeof(struct SaveBlock2));
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memcpy(gHeap + sizeof(struct SaveBlock2), gSaveBlock1Ptr, sizeof(struct SaveBlock1));
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memcpy(gHeap + sizeof(struct SaveBlock2) + sizeof(struct SaveBlock1), gPokemonStoragePtr, sizeof(struct PokemonStorage));
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// change saveblocks' pointers
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// argument is a sum of the individual trainerId bytes
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SetSaveBlocksPointers(gHeap[10] + gHeap[11] + gHeap[12] + gHeap[13]);
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// restore saveblock data since the pointers changed
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memcpy(gSaveBlock2Ptr, gHeap, sizeof(struct SaveBlock2));
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memcpy(gSaveBlock1Ptr, gHeap + sizeof(struct SaveBlock2), sizeof(struct SaveBlock1));
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memcpy(gPokemonStoragePtr, gHeap + sizeof(struct SaveBlock2) + sizeof(struct SaveBlock1), sizeof(struct PokemonStorage));
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// heap was destroyed in the copying process, so reset it
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InitHeap(gHeap, sizeof(gHeap));
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// restore interrupt functions
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gMain.hblankCallback = hblankCB;
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gMain.vblankCallback = vblankCB;
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// create a new encryption key
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encryptionKey = (Random() << 0x10) + (Random());
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ApplyNewEncyprtionKeyToAllEncryptedData(encryptionKey);
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gSaveBlock2Ptr->encryptionKey = encryptionKey;
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}*/
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