pokeemerald/src/save_failed_screen.c
2017-10-07 22:54:32 -04:00

427 lines
12 KiB
C
Executable File

#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, s8 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;
}