diff options
Diffstat (limited to 'src/save_failed_screen.c')
| -rw-r--r-- | src/save_failed_screen.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/src/save_failed_screen.c b/src/save_failed_screen.c new file mode 100644 index 000000000..41e61eadb --- /dev/null +++ b/src/save_failed_screen.c @@ -0,0 +1,301 @@ +#include "global.h" +#include "main.h" +#include "sprite.h" +#include "palette.h" +#include "task.h" +#include "text.h" +#include "menu.h" +#include "save.h" +#include "m4a.h" +#include "gba/flash_internal.h" +#include "asm.h" + +// In English 1.0, the text window is too small, causing text to overflow. + +#ifdef BUGFIX_SAVEFAILEDSCREEN1 +#define MSG_WIN_TOP 10 +#else +#define MSG_WIN_TOP 12 +#endif + +#define CLOCK_WIN_TOP (MSG_WIN_TOP - 4) + +struct SaveFailedStruct +{ + u16 unk0; + u16 unk2; +}; + +extern u8 unk_2000000[]; + +extern u16 gUnknown_0203933C; +extern struct SaveFailedStruct gUnknown_0203933E; +extern u32 gUnknown_03005EA8; +extern u32 gUnknown_03005EBC; + +extern struct OamData gUnknown_08411940; +extern u8 gUnknown_08411948[][3]; + +extern u8 gBirchHelpGfx[]; + +extern u8 gSystemText_SaveFailedBackupCheck[]; +extern u8 gSystemText_CheckCompleteSaveAttempt[]; +extern u8 gSystemText_BackupDamagedGameContinue[]; +extern u8 gSystemText_SaveCompletedPressA[]; +extern u8 gSystemText_SaveCompletedGameEnd[]; +extern u8 gSystemText_GameplayEnded[]; + +extern u8 gBirchGrassTilemap[]; +extern u8 gBirchBagTilemap[]; + +extern const u8 gSaveFailedClockGfx[]; +extern const u8 gSaveFailedClockPal[]; +extern u8 gBirchBagGrassPal[]; + +static void VBlankCB(void); +static void CB2_SaveFailedScreen(void); +static void CB2_WipeSave(void); +static void CB2_GameplayCannotBeContinued(void); +static void CB2_FadeAndReturnToTitleScreen(void); +static void CB2_ReturnToTitleScreen(void); +static void VBlankCB_UpdateClockGraphics(void); +static bool8 VerifySectorWipe(u16 sector); +static bool8 WipeSector(u16 sector); +static bool8 WipeSectors(u32 sectorBits); + +void DoSaveFailedScreen(u8 var) +{ + SetMainCallback2(CB2_SaveFailedScreen); + gUnknown_0203933C = var; + gUnknown_0203933E.unk0 = 0; +} + +static void VBlankCB(void) +{ + LoadOam(); + ProcessSpriteCopyRequests(); + TransferPlttBuffer(); +} + +static void CB2_SaveFailedScreen(void) +{ + u16 ime; + + switch(gMain.state) + { + case 0: + default: + SetVBlankCallback(0); + REG_DISPCNT = 0; + REG_BG3CNT = 0; + REG_BG2CNT = 0; + REG_BG1CNT = 0; + REG_BG0CNT = 0; + REG_BG3HOFS = 0; + REG_BG3VOFS = 0; + REG_BG2HOFS = 0; + REG_BG2VOFS = 0; + REG_BG1HOFS = 0; + REG_BG1VOFS = 0; + REG_BG0HOFS = 0; + REG_BG0VOFS = 0; + DmaFill16(3, 0, VRAM, VRAM_SIZE); + DmaFill32(3, 0, OAM, OAM_SIZE); + DmaFill16(3, 0, PLTT, PLTT_SIZE); + LZ77UnCompVram(&gBirchHelpGfx, (void *)VRAM); + LZ77UnCompVram(&gBirchBagTilemap, (void *)(VRAM + 0x3000)); + LZ77UnCompVram(&gBirchGrassTilemap, (void *)(VRAM + 0x3800)); + LZ77UnCompVram(&gSaveFailedClockGfx, (void *)(VRAM + 0x10020)); + ResetSpriteData(); + ResetTasks(); + ResetPaletteFade(); + LoadPalette(&gBirchBagGrassPal, 0, 0x40); + LoadPalette(&gSaveFailedClockPal, 0x100, 0x20); + SetUpWindowConfig(&gWindowConfig_81E6C3C); + InitMenuWindow(&gWindowConfig_81E6CE4); + MenuDrawTextWindow(13, CLOCK_WIN_TOP, 16, CLOCK_WIN_TOP + 3); // clock window + MenuDrawTextWindow(1, MSG_WIN_TOP, 28, 19); // message window + MenuPrint(gSystemText_SaveFailedBackupCheck, 2, MSG_WIN_TOP + 1); + BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0); + ime = REG_IME; + REG_IME = 0; + REG_IE |= INTR_FLAG_VBLANK; + REG_IME = ime; + REG_DISPSTAT |= DISPSTAT_VBLANK_INTR; + SetVBlankCallback(VBlankCB); + REG_BG3CNT = 0x703; + REG_BG2CNT = 0x602; + REG_BG0CNT = 0x1f08; + REG_DISPCNT = DISPCNT_OBJ_ON | DISPCNT_BG3_ON | DISPCNT_BG2_ON | DISPCNT_BG0_ON | DISPCNT_OBJ_1D_MAP | DISPCNT_MODE_0; + gMain.state++; + break; + case 1: + if (!UpdatePaletteFade()) + { + SetMainCallback2(CB2_WipeSave); + SetVBlankCallback(VBlankCB_UpdateClockGraphics); + } + break; + } +} + +static void CB2_WipeSave(void) +{ + u8 wipeTries = 0; + + gUnknown_0203933E.unk0 = 1; + + while (gUnknown_03005EA8 && wipeTries < 3) + { + if (WipeSectors(gUnknown_03005EA8)) + { + MenuDrawTextWindow(1, MSG_WIN_TOP, 28, 19); + MenuPrint(gSystemText_BackupDamagedGameContinue, 2, MSG_WIN_TOP + 1); + SetMainCallback2(CB2_GameplayCannotBeContinued); + return; + } + + MenuDrawTextWindow(1, MSG_WIN_TOP, 28, 19); + MenuPrint(gSystemText_CheckCompleteSaveAttempt, 2, MSG_WIN_TOP + 1); + sub_8125C3C(gUnknown_0203933C); + + if (gUnknown_03005EA8) + { +#ifdef BUGFIX_SAVEFAILEDSCREEN2 + MenuDrawTextWindow(1, MSG_WIN_TOP, 28, 19); +#endif + MenuPrint(gSystemText_SaveFailedBackupCheck, 2, MSG_WIN_TOP + 1); + } + + wipeTries++; + } + + if (wipeTries == 3) + { + MenuDrawTextWindow(1, MSG_WIN_TOP, 28, 19); + MenuPrint(gSystemText_BackupDamagedGameContinue, 2, MSG_WIN_TOP + 1); + SetMainCallback2(CB2_FadeAndReturnToTitleScreen); // called again below + } + else + { + MenuDrawTextWindow(1, MSG_WIN_TOP, 28, 19); + + if (!gUnknown_03005EBC) // cant continue game. + MenuPrint(gSystemText_SaveCompletedGameEnd, 2, MSG_WIN_TOP + 1); + else // can continue game. + MenuPrint(gSystemText_SaveCompletedPressA, 2, MSG_WIN_TOP + 1); + } + + SetMainCallback2(CB2_FadeAndReturnToTitleScreen); +} + +static void CB2_GameplayCannotBeContinued(void) +{ + gUnknown_0203933E.unk0 = 0; + + if (gMain.newKeys & A_BUTTON) + { + MenuDrawTextWindow(1, MSG_WIN_TOP, 28, 19); + MenuPrint(gSystemText_GameplayEnded, 2, MSG_WIN_TOP + 1); + SetVBlankCallback(VBlankCB); + SetMainCallback2(CB2_FadeAndReturnToTitleScreen); + } +} + +static void CB2_FadeAndReturnToTitleScreen(void) +{ + u8 zero; + + gUnknown_0203933E.unk0 = zero = 0; + + if (gMain.newKeys & A_BUTTON) + { + BeginNormalPaletteFade(0xFFFFFFFF, 0, zero, 16, 0); + SetVBlankCallback(VBlankCB); + SetMainCallback2(CB2_ReturnToTitleScreen); + } +} + +static void CB2_ReturnToTitleScreen(void) +{ + if (!UpdatePaletteFade()) + { + if (!gUnknown_03005EBC) + { + DoSoftReset(); + } + else + { + SetMainCallback2((MainCallback)gUnknown_03005EBC); + gUnknown_03005EBC = 0; + } + } +} + +static void VBlankCB_UpdateClockGraphics(void) +{ + unsigned int n = (gMain.vblankCounter2 >> 3) & 7; + + gMain.oamBuffer[0] = gUnknown_08411940; + gMain.oamBuffer[0].x = 112; + gMain.oamBuffer[0].y = (CLOCK_WIN_TOP + 1) * 8; + + if (gUnknown_0203933E.unk0) + { + gMain.oamBuffer[0].tileNum = gUnknown_08411948[n][0]; + gMain.oamBuffer[0].matrixNum = (gUnknown_08411948[n][2] << 4) | (gUnknown_08411948[n][1] << 3); + } + else + { + gMain.oamBuffer[0].tileNum = 1; + } + + CpuFastCopy(gMain.oamBuffer, (void *)OAM, 4); + + if (gUnknown_0203933E.unk2) + gUnknown_0203933E.unk2--; +} + +static bool8 VerifySectorWipe(u16 sector) +{ + u32 *ptr = (u32 *)unk_2000000; + u16 i; + + ReadFlash(sector, 0, (u8 *)ptr, 4096); + + for (i = 0; i < 0x400; i++, ptr++) + if (*ptr) + return TRUE; + + return FALSE; +} + +static bool8 WipeSector(u16 sector) +{ + u16 i, j; + bool8 failed = TRUE; + + for (i = 0; failed && i < 130; i++) + { + for (j = 0; j < 0x1000; j++) + ProgramFlashByte(sector, j, 0); + + failed = VerifySectorWipe(sector); + } + + return failed; +} + +static bool8 WipeSectors(u32 sectorBits) +{ + u16 i; + + for (i = 0; i < 0x20; i++) + if ((sectorBits & (1 << i)) && !WipeSector(i)) + sectorBits &= ~(1 << i); + + if (sectorBits == 0) + return FALSE; + else + return TRUE; +} |