diff options
Diffstat (limited to 'src/save_failed_screen.c')
| -rwxr-xr-x | src/save_failed_screen.c | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/src/save_failed_screen.c b/src/save_failed_screen.c new file mode 100755 index 000000000..7a7c30388 --- /dev/null +++ b/src/save_failed_screen.c @@ -0,0 +1,426 @@ +#include "global.h" +#include "text.h" +#include "main.h" +#include "palette.h" +#include "gpu_regs.h" +#include "bg.h" +#include "task.h" +#include "window.h" +#include "menu.h" +#include "save.h" +#include "gba/flash_internal.h" + +#define MSG_WIN_TOP 12 +#define CLOCK_WIN_TOP (MSG_WIN_TOP - 4) + +extern void AddTextPrinterParametrized2(u8 windowId, u8 fontId, u8 x, u8 y, u8 letterSpacing, u8 lineSpacing, struct TextColor *color, u8 speed, u8 *str); + +extern void (*gGameContinueCallback)(void); + +extern u32 gDamagedSaveSectors; + +extern const u8 gBirchHelpGfx[]; +extern const u8 gBirchBagTilemap[]; +extern const u8 gBirchGrassTilemap[]; +extern const u16 gBirchBagGrassPal[]; +extern const u16 gUnknown_0850FEFC[]; +extern const u16 gUnknown_0860F074[]; +extern const u32 gUnknown_0850E87C[]; +extern struct SaveSection gSaveDataBuffer; + +extern u8 gText_SaveFailedCheckingBackup[]; +extern u8 gText_BackupMemoryDamaged[]; +extern u8 gText_CheckCompleted[]; +extern u8 gText_SaveCompleteGameCannotContinue[]; +extern u8 gText_SaveCompletePressA[]; +extern u8 gText_GamePlayCannotBeContinued[]; + +extern u8 gDecompressionBuffer[]; + +// gSaveFailedClockInfo enum +enum +{ + CLOCK_RUNNING, + DEBUG_TIMER +}; + +// gSaveFailedWindowIds enum +enum +{ + TEXT_WIN_ID, + CLOCK_WIN_ID +}; + +EWRAM_DATA u16 gSaveFailedType = {0}; +EWRAM_DATA u16 gSaveFailedClockInfo[2] = {0}; +EWRAM_DATA u8 gSaveFailedUnused1[12] = {0}; +EWRAM_DATA u8 gSaveFailedWindowIds[2] = {0}; +EWRAM_DATA u8 gSaveFailedUnused2[4] = {0}; + +static const struct OamData sClockOamData = +{ + 160, // Y + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 1, + 0, + 0, + 0, + 0 +}; + +static const struct BgTemplate gUnknown_085EFD88[3] = +{ + { + .bg = 0, + .charBaseIndex = 2, + .mapBaseIndex = 31, + .screenSize = 0, + .paletteMode = 0, + .priority = 0, + .baseTile = 0, + }, + { + .bg = 2, + .charBaseIndex = 0, + .mapBaseIndex = 14, + .screenSize = 0, + .paletteMode = 0, + .priority = 2, + .baseTile = 0, + }, + { + .bg = 3, + .charBaseIndex = 0, + .mapBaseIndex = 15, + .screenSize = 0, + .paletteMode = 0, + .priority = 3, + .baseTile = 0, + }, +}; + +static const struct WindowTemplate gUnknown_085EFD94[] = +{ + { + .priority = 255, + .tilemapLeft = 0, + .tilemapTop = 0, + .width = 0, + .height = 0, + .paletteNum = 0, + .baseBlock = 0, + } +}; + +static const struct WindowTemplate gUnknown_085EFD9C[] = +{ + { + .priority = 0, + .tilemapLeft = 1, + .tilemapTop = 13, + .width = 28, + .height = 6, + .paletteNum = 15, + .baseBlock = 1, + } +}; + +static const struct WindowTemplate gUnknown_085EFDA4[] = +{ + { + .priority = 0, + .tilemapLeft = 14, + .tilemapTop = 9, + .width = 2, + .height = 2, + .paletteNum = 15, + .baseBlock = 169, + } +}; + +static const u8 sClockFrames[8][3] = +{ + { 1, 0, 0 }, + { 5, 0, 0 }, + { 9, 0, 0 }, + { 5, 0, 1 }, + { 1, 0, 1 }, + { 5, 1, 1 }, + { 9, 1, 0 }, + { 5, 1, 0 }, +}; + +static const u8 gSaveFailedClockPal[] = INCBIN_U8("graphics/misc/clock_small.gbapal"); +static const u8 gSaveFailedClockGfx[] = INCBIN_U8("graphics/misc/clock_small.4bpp.lz"); + +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 WipeSectors(u32); + +// although this is a general text printer, it's only used in this file. +static void SaveFailedScreenTextPrint(u8 *text, u8 var1, u8 var2) +{ + struct TextColor color; + + color.fgColor = 0; + color.bgColor = 15; + color.shadowColor = 3; + AddTextPrinterParametrized2(gSaveFailedWindowIds[TEXT_WIN_ID], 1, var1 * 8, var2 * 8 + 1, 0, 0, &color, 0, text); +} + +void DoSaveFailedScreen(u8 saveType) +{ + SetMainCallback2(CB2_SaveFailedScreen); + gSaveFailedType = saveType; + gSaveFailedClockInfo[CLOCK_RUNNING] = FALSE; + gSaveFailedClockInfo[DEBUG_TIMER] = 0; + gSaveFailedWindowIds[TEXT_WIN_ID] = 0; + gSaveFailedWindowIds[CLOCK_WIN_ID] = 0; +} + +static void VBlankCB(void) +{ + LoadOam(); + ProcessSpriteCopyRequests(); + TransferPlttBuffer(); +} + +static void CB2_SaveFailedScreen(void) +{ + switch (gMain.state) + { + case 0: + default: + SetVBlankCallback(NULL); + SetGpuReg(REG_OFFSET_DISPCNT, 0); + SetGpuReg(REG_OFFSET_BG3CNT, 0); + SetGpuReg(REG_OFFSET_BG2CNT, 0); + SetGpuReg(REG_OFFSET_BG1CNT, 0); + SetGpuReg(REG_OFFSET_BG0CNT, 0); + SetGpuReg(REG_OFFSET_BG3HOFS, 0); + SetGpuReg(REG_OFFSET_BG3VOFS, 0); + SetGpuReg(REG_OFFSET_BG2HOFS, 0); + SetGpuReg(REG_OFFSET_BG2VOFS, 0); + SetGpuReg(REG_OFFSET_BG1HOFS, 0); + SetGpuReg(REG_OFFSET_BG1VOFS, 0); + SetGpuReg(REG_OFFSET_BG0HOFS, 0); + SetGpuReg(REG_OFFSET_BG0VOFS, 0); + // how come this doesnt use the Dma manager? + 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 + 0x7000)); + LZ77UnCompVram(gBirchGrassTilemap, (void *)(VRAM + 0x7800)); + LZ77UnCompVram(gSaveFailedClockGfx, (void *)(VRAM + 0x10020)); + ResetBgsAndClearDma3BusyFlags(0); + InitBgsFromTemplates(0, gUnknown_085EFD88, 3); + SetBgTilemapBuffer(0, (void *)&gDecompressionBuffer[0x2000]); + CpuFill32(0, &gDecompressionBuffer[0x2000], 0x800); + LoadBgTiles(0, gUnknown_0850E87C, 0x120, 0x214); + InitWindows(gUnknown_085EFD94); + // AddWindowWithoutTileMap returns a u16/integer, but the info is clobbered into a u8 here resulting in lost info. Bug? + gSaveFailedWindowIds[TEXT_WIN_ID] = AddWindowWithoutTileMap(gUnknown_085EFD9C); + SetWindowAttribute(gSaveFailedWindowIds[TEXT_WIN_ID], 7, (u32)&gDecompressionBuffer[0x2800]); + gSaveFailedWindowIds[CLOCK_WIN_ID] = AddWindowWithoutTileMap(gUnknown_085EFDA4); + SetWindowAttribute(gSaveFailedWindowIds[CLOCK_WIN_ID], 7, (u32)&gDecompressionBuffer[0x3D00]); + DeactivateAllTextPrinters(); + ResetSpriteData(); + ResetTasks(); + ResetPaletteFade(); + LoadPalette(gBirchBagGrassPal, 0, 0x40); + LoadPalette(gSaveFailedClockPal, 0x100, 0x20); + LoadPalette(gUnknown_0850FEFC, 0xE0, 0x20); + LoadPalette(gUnknown_0860F074, 0xF0, 0x20); + SetWindowBorderStyle(gSaveFailedWindowIds[TEXT_WIN_ID], FALSE, 0x214, 0xE); + SetWindowBorderStyle(gSaveFailedWindowIds[CLOCK_WIN_ID], FALSE, 0x214, 0xE); + FillWindowPixelBuffer(gSaveFailedWindowIds[CLOCK_WIN_ID], 0x11); // backwards? + FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11); + CopyWindowToVram(gSaveFailedWindowIds[CLOCK_WIN_ID], 2); // again? + CopyWindowToVram(gSaveFailedWindowIds[TEXT_WIN_ID], 1); + SaveFailedScreenTextPrint(gText_SaveFailedCheckingBackup, 1, 0); + BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0); + EnableInterrupts(1); + SetVBlankCallback(VBlankCB); + SetGpuReg(0, 0x1040); + ShowBg(0); + ShowBg(2); + ShowBg(3); + gMain.state++; + break; + case 1: + if (!UpdatePaletteFade()) + { + SetMainCallback2(CB2_WipeSave); + SetVBlankCallback(VBlankCB_UpdateClockGraphics); + } + break; + } +} + +static void CB2_WipeSave(void) +{ + u8 wipeTries = 0; + + gSaveFailedClockInfo[CLOCK_RUNNING] = TRUE; + + while (gDamagedSaveSectors != 0 && wipeTries < 3) + { + if (WipeSectors(gDamagedSaveSectors) != FALSE) + { + FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11); + SaveFailedScreenTextPrint(gText_BackupMemoryDamaged, 1, 0); + SetMainCallback2(CB2_GameplayCannotBeContinued); + return; + } + + FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11); + SaveFailedScreenTextPrint(gText_CheckCompleted, 1, 0); + HandleSavingData(gSaveFailedType); + + if (gDamagedSaveSectors != 0) + { + FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11); + SaveFailedScreenTextPrint(gText_SaveFailedCheckingBackup, 1, 0); + } + + wipeTries++; + } + + if (wipeTries == 3) + { + FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11); + SaveFailedScreenTextPrint(gText_BackupMemoryDamaged, 1, 0); + } + else + { + FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11); + + if (gGameContinueCallback == NULL) + SaveFailedScreenTextPrint(gText_SaveCompleteGameCannotContinue, 1, 0); + else + SaveFailedScreenTextPrint(gText_SaveCompletePressA, 1, 0); + } + + SetMainCallback2(CB2_FadeAndReturnToTitleScreen); +} + +static void CB2_GameplayCannotBeContinued(void) +{ + gSaveFailedClockInfo[CLOCK_RUNNING] = FALSE; + + if (gMain.newKeys & A_BUTTON) + { + FillWindowPixelBuffer(gSaveFailedWindowIds[TEXT_WIN_ID], 0x11); + SaveFailedScreenTextPrint(gText_GamePlayCannotBeContinued, 1, 0); + SetVBlankCallback(VBlankCB); + SetMainCallback2(CB2_FadeAndReturnToTitleScreen); + } +} + +static void CB2_FadeAndReturnToTitleScreen(void) +{ + gSaveFailedClockInfo[CLOCK_RUNNING] = FALSE; + + if (gMain.newKeys & A_BUTTON) + { + BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0); + SetVBlankCallback(VBlankCB); + SetMainCallback2(CB2_ReturnToTitleScreen); + } +} + +static void CB2_ReturnToTitleScreen(void) +{ + if (!UpdatePaletteFade()) + { + if (gGameContinueCallback == NULL) // no callback exists, so do a soft reset. + { + DoSoftReset(); + } + else + { + SetMainCallback2((MainCallback)gGameContinueCallback); + gGameContinueCallback = NULL; + } + } +} + +static void VBlankCB_UpdateClockGraphics(void) +{ + unsigned int n = (gMain.vblankCounter2 >> 3) & 7; + + gMain.oamBuffer[0] = sClockOamData; + gMain.oamBuffer[0].x = 112; + gMain.oamBuffer[0].y = (CLOCK_WIN_TOP + 1) * 8;; + + if (gSaveFailedClockInfo[CLOCK_RUNNING] != FALSE) + { + gMain.oamBuffer[0].tileNum = sClockFrames[n][0]; + gMain.oamBuffer[0].matrixNum = (sClockFrames[n][2] << 4) | (sClockFrames[n][1] << 3); + } + else + { + gMain.oamBuffer[0].tileNum = 1; + } + + CpuFastCopy(gMain.oamBuffer, (void *)OAM, 4); + + if (gSaveFailedClockInfo[DEBUG_TIMER]) + gSaveFailedClockInfo[DEBUG_TIMER]--; +} + +static bool8 VerifySectorWipe(u16 sector) +{ + u32 *ptr = (u32 *)&gSaveDataBuffer; + 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; +} |