1 files changed, 850 insertions, 0 deletions
diff --git a/src/field/start_menu.c b/src/field/start_menu.c
new file mode 100644
index 000000000..411690aff
--- /dev/null
+++ b/src/field/start_menu.c
@@ -0,0 +1,850 @@
+#include "global.h"
+#include "start_menu.h"
+#include "event_data.h"
+#include "field_map_obj_helpers.h"
+#include "field_player_avatar.h"
+#include "field_weather.h"
+#include "fieldmap.h"
+#include "item_menu.h"
+#include "load_save.h"
+#include "main.h"
+#include "map_obj_lock.h"
+#include "menu.h"
+#include "option_menu.h"
+#include "palette.h"
+#include "pokedex.h"
+#include "pokemon_menu.h"
+#include "pokenav.h"
+#include "rom4.h"
+#include "safari_zone.h"
+#include "save.h"
+#include "save_menu_util.h"
+#include "script.h"
+#include "songs.h"
+#include "sound.h"
+#include "sprite.h"
+#include "string_util.h"
+#include "strings.h"
+#include "strings2.h"
+#include "task.h"
+#include "trainer_card.h"
+#include "unknown_task.h"
+
+//Menu actions
+enum {
+    MENU_ACTION_POKEDEX,
+    MENU_ACTION_POKEMON,
+    MENU_ACTION_BAG,
+    MENU_ACTION_POKENAV,
+    MENU_ACTION_PLAYER,
+    MENU_ACTION_SAVE,
+    MENU_ACTION_OPTION,
+    MENU_ACTION_EXIT,
+    MENU_ACTION_RETIRE,
+    MENU_ACTION_PLAYER_LINK
+};
+
+static u8 (*saveDialogCallback)(void);
+static u8 saveDialogTimer;    //Number of frames to keep the window on screen after save was completed
+static bool8 savingComplete;
+
+extern bool8 gDifferentSaveFile;
+extern u16 gSaveFileStatus;
+extern u16 gScriptResult;
+
+extern u8 gUnknown_03004860;
+
+u8 (*gCallback_03004AE8)(void);
+
+EWRAM_DATA static u8 sStartMenuCursorPos = 0;
+EWRAM_DATA static u8 sNumStartMenuActions = 0;
+EWRAM_DATA static u8 sCurrentStartMenuActions[10] = {0};
+
+//Text strings
+extern u8 gSaveText_PlayerSavedTheGame[];
+extern u8 gSaveText_DontTurnOff[];
+extern u8 gSaveText_ThereIsAlreadyAFile[];
+extern u8 gSaveText_ThereIsADifferentFile[];
+extern u8 gSaveText_WouldYouLikeToSave[];
+
+static u8 StartMenu_PokedexCallback(void);
+static u8 StartMenu_PokemonCallback(void);
+static u8 StartMenu_BagCallback(void);
+static u8 StartMenu_PokenavCallback(void);
+static u8 StartMenu_PlayerCallback(void);
+static u8 StartMenu_SaveCallback(void);
+static u8 StartMenu_OptionCallback(void);
+static u8 StartMenu_ExitCallback(void);
+static u8 StartMenu_RetireCallback(void);
+static u8 StartMenu_PlayerLinkCallback(void);
+
+static const struct MenuAction sStartMenuItems[] =
+{
+    { SystemText_Pokedex, StartMenu_PokedexCallback },
+    { SystemText_Pokemon, StartMenu_PokemonCallback },
+    { SystemText_BAG, StartMenu_BagCallback },
+    { SystemText_Pokenav, StartMenu_PokenavCallback },
+    { SystemText_Player, StartMenu_PlayerCallback },
+    { SystemText_Save, StartMenu_SaveCallback },
+    { SystemText_Option, StartMenu_OptionCallback },
+    { SystemText_Exit, StartMenu_ExitCallback },
+    { SystemText_Retire, StartMenu_RetireCallback },
+    { SystemText_Player, StartMenu_PlayerLinkCallback },
+};
+
+//Private functions
+static void BuildStartMenuActions(void);
+static void AddStartMenuAction(u8 action);
+static void BuildStartMenuActions_Normal(void);
+static void BuildStartMenuActions_SafariZone(void);
+static void BuildStartMenuActions_Link(void);
+static void DisplaySafariBallsWindow(void);
+static bool32 PrintStartMenuItemsMultistep(s16 *a, u32 b);
+static bool32 InitStartMenuMultistep(s16 *a, s16 *b);
+static void Task_StartMenu(u8 taskId);
+static u8 StartMenu_InputProcessCallback(void);
+static u8 SaveCallback1(void);
+static u8 SaveCallback2(void);
+static void sub_807160C(void);
+static u8 RunSaveDialogCallback(void);
+static void DisplaySaveMessageWithCallback(const u8 *ptr, u8 (*func)(void));
+static void Task_SaveDialog(u8 taskId);
+static void sub_8071700(void);
+static void HideSaveDialog(void);
+static void SaveDialogStartTimeout(void);
+static u8 SaveDialogCheckForTimeoutOrKeypress(void);
+static u8 SaveDialogCheckForTimeoutAndKeypress(void);
+static u8 SaveDialogCheckForTimeoutAndKeypress(void);
+static u8 SaveDialogCB_DisplayConfirmMessage(void);
+static u8 SaveDialogCB_DisplayConfirmYesNoMenu(void);
+static u8 SaveDialogCB_ProcessConfirmYesNoMenu(void);
+static u8 SaveDialogCB_SaveFileExists(void);
+static u8 SaveDialogCB_DisplayOverwriteYesNoMenu(void);
+static u8 SaveDialogCB_ProcessOverwriteYesNoMenu(void);
+static u8 SaveDialogCB_DisplaySavingMessage(void);
+static u8 SaveDialogCB_DoSave(void);
+static u8 SaveDialogCB_SaveSuccess(void);
+static u8 SaveDialogCB_ReturnSuccess(void);
+static u8 SaveDialogCB_SaveError(void);
+static u8 SaveDialogCB_ReturnError(void);
+static void sub_80719F0(void);
+static bool32 sub_80719FC(u8 *ptr);
+static void sub_8071B54(void);
+static void Task_8071B64(u8 taskId);
+
+
+static void BuildStartMenuActions(void)
+{
+    sNumStartMenuActions = 0;
+    if (is_c1_link_related_active() == TRUE)
+        BuildStartMenuActions_Link();
+    else
+    {
+        if (GetSafariZoneFlag() == TRUE)
+            BuildStartMenuActions_SafariZone();
+        else
+            BuildStartMenuActions_Normal();
+    }
+}
+
+static void AddStartMenuAction(u8 action)
+{
+    AppendToList(sCurrentStartMenuActions, &sNumStartMenuActions, action);
+}
+
+static void BuildStartMenuActions_Normal(void)
+{
+    if (FlagGet(SYS_POKEDEX_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKEDEX);
+    if (FlagGet(SYS_POKEMON_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_BAG);
+    if (FlagGet(SYS_POKENAV_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKENAV);
+    AddStartMenuAction(MENU_ACTION_PLAYER);
+    AddStartMenuAction(MENU_ACTION_SAVE);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+static void BuildStartMenuActions_SafariZone(void)
+{
+    AddStartMenuAction(MENU_ACTION_RETIRE);
+    AddStartMenuAction(MENU_ACTION_POKEDEX);
+    AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_BAG);
+    AddStartMenuAction(MENU_ACTION_PLAYER);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+static void BuildStartMenuActions_Link(void)
+{
+    AddStartMenuAction(MENU_ACTION_POKEMON);
+    AddStartMenuAction(MENU_ACTION_BAG);
+    if (FlagGet(SYS_POKENAV_GET) == TRUE)
+        AddStartMenuAction(MENU_ACTION_POKENAV);
+    AddStartMenuAction(MENU_ACTION_PLAYER_LINK);
+    AddStartMenuAction(MENU_ACTION_OPTION);
+    AddStartMenuAction(MENU_ACTION_EXIT);
+}
+
+//Show number of safari balls left
+static void DisplaySafariBallsWindow(void)
+{
+    sub_8072C44(gStringVar1, gNumSafariBalls, 12, 1);
+    MenuDrawTextWindow(0, 0, 10, 5);
+    MenuPrint(gOtherText_SafariStock, 1, 1);
+}
+
+//Prints n menu items starting at *index
+static bool32 PrintStartMenuItemsMultistep(s16 *index, u32 n)
+{
+    int _index = *index;
+
+    do
+    {
+        MenuPrint(sStartMenuItems[sCurrentStartMenuActions[_index]].text, 23, 2 + _index * 2);
+        _index++;
+        if (_index >= sNumStartMenuActions)
+        {
+            *index = _index;
+            return TRUE;
+        }
+    }
+    while (--n != 0);
+    *index = _index;
+    return FALSE;
+}
+
+static bool32 InitStartMenuMultistep(s16 *step, s16 *index)
+{
+    switch (*step)
+    {
+    case 1:
+        BuildStartMenuActions();
+        (*step)++;
+        break;
+    case 2:
+        MenuDrawTextWindow(22, 0, 29, sNumStartMenuActions * 2 + 3);
+        *index = 0;
+        (*step)++;
+        break;
+    case 3:
+        if (GetSafariZoneFlag())
+            DisplaySafariBallsWindow();
+        (*step)++;
+        break;
+    case 4:
+        if (PrintStartMenuItemsMultistep(index, 2))
+            (*step)++;
+        break;
+    case 0:
+        (*step)++;
+        break;
+    case 5:
+        sStartMenuCursorPos = InitMenu(0, 0x17, 2, sNumStartMenuActions, sStartMenuCursorPos, 6);
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static void InitStartMenu(void)
+{
+    s16 step = 0;
+    s16 index = 0;
+
+    while (InitStartMenuMultistep(&step, &index) == FALSE)
+        ;
+}
+
+static void Task_StartMenu(u8 taskId)
+{
+    if (InitStartMenuMultistep(gTasks[taskId].data, gTasks[taskId].data + 1) == TRUE)
+    {
+        *gTasks[taskId].data = 0;
+        SwitchTaskToFollowupFunc(taskId);
+    }
+}
+
+void CreateStartMenuTask(void (*func)(u8))
+{
+    u8 taskId;
+
+    InitMenuWindow(&gWindowConfig_81E6CE4);
+    taskId = CreateTask(Task_StartMenu, 0x50);
+    SetTaskFuncWithFollowupFunc(taskId, Task_StartMenu, func);
+}
+
+void sub_80712B4(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+
+    switch (task->data[0])
+    {
+    case 0:
+        gCallback_03004AE8 = StartMenu_InputProcessCallback;
+        task->data[0]++;
+        break;
+    case 1:
+        if (gCallback_03004AE8() == 1)
+            DestroyTask(taskId);
+        break;
+    }
+}
+
+void sub_8071310(void)
+{
+    if (!is_c1_link_related_active())
+    {
+        FreezeMapObjects();
+        sub_80594C0();
+        sub_80597F4();
+    }
+    CreateStartMenuTask(sub_80712B4);
+    ScriptContext2_Enable();
+}
+
+static u8 StartMenu_InputProcessCallback(void)
+{
+    if (gMain.newKeys & DPAD_UP)
+    {
+        PlaySE(SE_SELECT);
+        sStartMenuCursorPos = MoveMenuCursor(-1);
+    }
+    if (gMain.newKeys & DPAD_DOWN)
+    {
+        PlaySE(SE_SELECT);
+        sStartMenuCursorPos = MoveMenuCursor(1);
+    }
+    if (gMain.newKeys & A_BUTTON)
+    {
+        PlaySE(SE_SELECT);
+        if (sStartMenuItems[sCurrentStartMenuActions[sStartMenuCursorPos]].func == StartMenu_PokedexCallback)
+        {
+            if (GetNationalPokedexCount(0) == 0)
+                return 0;
+        }
+        gCallback_03004AE8 = sStartMenuItems[sCurrentStartMenuActions[sStartMenuCursorPos]].func;
+        if (gCallback_03004AE8 != StartMenu_SaveCallback &&
+           gCallback_03004AE8 != StartMenu_ExitCallback &&
+           gCallback_03004AE8 != StartMenu_RetireCallback)
+            fade_screen(1, 0);
+        return 0;
+    }
+    if (gMain.newKeys & (START_BUTTON | B_BUTTON))
+    {
+        CloseMenu();
+        return 1;
+    }
+    return 0;
+}
+
+//When player selects POKEDEX
+static u8 StartMenu_PokedexCallback(void)
+{
+    if (!gPaletteFade.active)
+    {
+        IncrementGameStat(0x29);
+        PlayRainSoundEffect();
+        SetMainCallback2(CB2_InitPokedex);
+        return 1;
+    }
+    return 0;
+}
+
+//When player selects POKEMON
+static u8 StartMenu_PokemonCallback(void)
+{
+    if (!gPaletteFade.active)
+    {
+        PlayRainSoundEffect();
+        SetMainCallback2(sub_8089A70);
+        return 1;
+    }
+    return 0;
+}
+
+//When player selects BAG
+static u8 StartMenu_BagCallback(void)
+{
+    if (!gPaletteFade.active)
+    {
+        PlayRainSoundEffect();
+        SetMainCallback2(sub_80A53F8);
+        return 1;
+    }
+    return 0;
+}
+
+//When player selects POKENAV
+static u8 StartMenu_PokenavCallback(void)
+{
+    if (!gPaletteFade.active)
+    {
+        PlayRainSoundEffect();
+        SetMainCallback2(sub_80EBA5C);
+        return 1;
+    }
+    return 0;
+}
+
+//When player selects his/her name
+static u8 StartMenu_PlayerCallback(void)
+{
+    if (!gPaletteFade.active)
+    {
+        PlayRainSoundEffect();
+        sub_8093110(sub_805469C);
+        return 1;
+    }
+    return 0;
+}
+
+//When player selects SAVE
+static u8 StartMenu_SaveCallback(void)
+{
+    HandleDestroyMenuCursors();
+    gCallback_03004AE8 = SaveCallback1;
+    return 0;
+}
+
+//When player selects OPTION
+static u8 StartMenu_OptionCallback(void)
+{
+    if (!gPaletteFade.active)
+    {
+        PlayRainSoundEffect();
+        SetMainCallback2(CB2_InitOptionMenu);
+        gMain.savedCallback = sub_805469C;
+        return 1;
+    }
+    return 0;
+}
+
+//When player selects EXIT
+static u8 StartMenu_ExitCallback(void)
+{
+    CloseMenu();
+    return 1;
+}
+
+//When player selects RETIRE
+static u8 StartMenu_RetireCallback(void)
+{
+    CloseMenu();
+    SafariZoneRetirePrompt();
+    return 1;
+}
+
+//When player selects their name in multiplayer mode
+static u8 StartMenu_PlayerLinkCallback(void)
+{
+    if (!gPaletteFade.active)
+    {
+        PlayRainSoundEffect();
+        sub_8093130(gUnknown_03004860, sub_805469C);
+        return 1;
+    }
+    return 0;
+}
+
+//Save dialog status
+enum
+{
+    SAVE_IN_PROGRESS,
+    SAVE_SUCCESS,
+    SAVE_CANCELED,
+    SAVE_ERROR,
+};
+
+static u8 SaveCallback1(void)
+{
+    sub_807160C();
+    gCallback_03004AE8 = SaveCallback2;
+    return FALSE;
+}
+
+static u8 SaveCallback2(void)
+{
+    switch (RunSaveDialogCallback())
+    {
+    case SAVE_IN_PROGRESS:
+        return FALSE;
+    case SAVE_CANCELED:
+        //Go back to start menu
+        MenuZeroFillScreen();
+        InitStartMenu();
+        gCallback_03004AE8 = StartMenu_InputProcessCallback;
+        return FALSE;
+    case SAVE_SUCCESS:
+    case SAVE_ERROR:
+        MenuZeroFillScreen();
+        sub_8064E2C();
+        ScriptContext2_Disable();
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static void sub_807160C(void)
+{
+    save_serialize_map();
+    saveDialogCallback = SaveDialogCB_DisplayConfirmMessage;
+    savingComplete = FALSE;
+}
+
+static u8 RunSaveDialogCallback(void)
+{
+    if (savingComplete)
+    {
+        if (!MenuUpdateWindowText())
+            return 0;
+    }
+    savingComplete = FALSE;
+    return saveDialogCallback();
+}
+
+void InitSaveDialog(void)
+{
+    sub_807160C();
+    CreateTask(Task_SaveDialog, 0x50);
+}
+
+static void DisplaySaveMessageWithCallback(const u8 *ptr, u8 (*func)(void))
+{
+    StringExpandPlaceholders(gStringVar4, ptr);
+    MenuDisplayMessageBox();
+    sub_8072044(gStringVar4);
+    savingComplete = TRUE;
+    saveDialogCallback = func;
+}
+
+static void Task_SaveDialog(u8 taskId)
+{
+    u8 status = RunSaveDialogCallback();
+
+    switch (status)
+    {
+    case SAVE_CANCELED:
+    case SAVE_ERROR:
+        gScriptResult = 0;
+        break;
+    case SAVE_SUCCESS:
+        gScriptResult = status;
+        break;
+    case SAVE_IN_PROGRESS:
+        return;
+    }
+    DestroyTask(taskId);
+    EnableBothScriptContexts();
+}
+
+static void sub_8071700(void)
+{
+    HandleCloseSaveWindow(0, 0);
+}
+
+static void HideSaveDialog(void)
+{
+    MenuZeroFillWindowRect(20, 8, 26, 13);
+}
+
+static void SaveDialogStartTimeout(void)
+{
+    saveDialogTimer = 60;
+}
+
+static bool8 SaveDialogCheckForTimeoutOrKeypress(void)
+{
+    saveDialogTimer--;
+    if (gMain.heldKeys & A_BUTTON)
+    {
+        PlaySE(SE_SELECT);
+        return TRUE;
+    }
+    else if (saveDialogTimer == 0)
+        return TRUE;
+    return FALSE;
+}
+
+static bool8 SaveDialogCheckForTimeoutAndKeypress(void)
+{
+    if (saveDialogTimer != 0)
+        saveDialogTimer--;
+    else if (gMain.heldKeys & A_BUTTON)
+        return TRUE;
+    return FALSE;
+}
+
+static u8 SaveDialogCB_DisplayConfirmMessage(void)
+{
+    MenuZeroFillScreen();
+    HandleDrawSaveWindowInfo(0, 0);
+    DisplaySaveMessageWithCallback(gSaveText_WouldYouLikeToSave, SaveDialogCB_DisplayConfirmYesNoMenu);
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_DisplayConfirmYesNoMenu(void)
+{
+    DisplayYesNoMenu(20, 8, 1);
+    saveDialogCallback = SaveDialogCB_ProcessConfirmYesNoMenu;
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_ProcessConfirmYesNoMenu(void)
+{
+    switch (ProcessMenuInputNoWrap_())
+    {
+    case 0:     //YES
+        HideSaveDialog();
+        switch (gSaveFileStatus)
+        {
+        case 0:
+        case 2:
+            if (gDifferentSaveFile == FALSE)
+            {
+                saveDialogCallback = SaveDialogCB_SaveFileExists;
+                return SAVE_IN_PROGRESS;
+            }
+            saveDialogCallback = SaveDialogCB_DisplaySavingMessage;
+            return SAVE_IN_PROGRESS;
+        default:
+            saveDialogCallback = SaveDialogCB_SaveFileExists;
+            return SAVE_IN_PROGRESS;
+        }
+        break;
+    case -1:    //B button
+    case 1:     //NO
+        HideSaveDialog();
+        sub_8071700();
+        return SAVE_CANCELED;
+    }
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_SaveFileExists(void)
+{
+    DisplaySaveMessageWithCallback(
+      gDifferentSaveFile == TRUE ? gSaveText_ThereIsADifferentFile : gSaveText_ThereIsAlreadyAFile,
+      SaveDialogCB_DisplayOverwriteYesNoMenu);
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_DisplayOverwriteYesNoMenu(void)
+{
+    DisplayYesNoMenu(20, 8, 1);
+    saveDialogCallback = SaveDialogCB_ProcessOverwriteYesNoMenu;
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_ProcessOverwriteYesNoMenu(void)
+{
+    switch (ProcessMenuInputNoWrap_())
+    {
+    case 0:     //YES
+        HideSaveDialog();
+        saveDialogCallback = SaveDialogCB_DisplaySavingMessage;
+        break;
+    case -1:    //B button
+    case 1:     //NO
+        HideSaveDialog();
+        sub_8071700();
+        return SAVE_CANCELED;
+    }
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_DisplaySavingMessage(void)
+{
+    //"SAVING... DON'T TURN OFF THE POWER."
+    DisplaySaveMessageWithCallback(gSaveText_DontTurnOff, SaveDialogCB_DoSave);
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_DoSave(void)
+{
+    bool8 saveSucceeded;
+
+    IncrementGameStat(0);
+    if (gDifferentSaveFile == TRUE)
+    {
+        saveSucceeded = TrySavingData(DIFFERENT_FILE_SAVE);
+        gDifferentSaveFile = FALSE;
+    }
+    else
+    {
+        saveSucceeded = TrySavingData(NORMAL_SAVE);
+    }
+
+    if (saveSucceeded == TRUE)
+    {
+        //"(Player) saved the game."
+        DisplaySaveMessageWithCallback(gSaveText_PlayerSavedTheGame, SaveDialogCB_SaveSuccess);
+    }
+    else
+    {
+        //"Save error. Please exchange the backup memory."
+        DisplaySaveMessageWithCallback(gSystemText_SaveErrorExchangeBackup, SaveDialogCB_SaveError);
+    }
+
+    SaveDialogStartTimeout();
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_SaveSuccess(void)
+{
+    if (MenuUpdateWindowText())
+    {
+        PlaySE(SE_SAVE);
+        saveDialogCallback = SaveDialogCB_ReturnSuccess;
+    }
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_ReturnSuccess(void)
+{
+    if (!IsSEPlaying() && SaveDialogCheckForTimeoutOrKeypress())
+    {
+        sub_8071700();
+        return SAVE_SUCCESS;
+    }
+    else
+        return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_SaveError(void)
+{
+    if (MenuUpdateWindowText())
+    {
+        PlaySE(SE_BOO);
+        saveDialogCallback = SaveDialogCB_ReturnError;
+    }
+    return SAVE_IN_PROGRESS;
+}
+
+static u8 SaveDialogCB_ReturnError(void)
+{
+    if (!SaveDialogCheckForTimeoutAndKeypress())
+        return SAVE_IN_PROGRESS;
+    else
+    {
+        sub_8071700();
+        return SAVE_ERROR;
+    }
+}
+
+static void sub_80719F0(void)
+{
+    TransferPlttBuffer();
+}
+
+static bool32 sub_80719FC(u8 *step)
+{
+    switch (*step)
+    {
+    case 0:
+    {
+        u8 *addr;
+        u32 size;
+
+        REG_DISPCNT = 0;
+        SetVBlankCallback(NULL);
+        remove_some_task();
+        DmaClear16(3, PLTT, PLTT_SIZE);
+        addr = (void *)VRAM;
+        size = 0x18000;
+        while (1)
+        {
+            DmaFill16(3, 0, addr, 0x1000);
+            addr += 0x1000;
+            size -= 0x1000;
+            if (size <= 0x1000)
+            {
+                DmaFill16(3, 0, addr, size);
+                break;
+            }
+        }
+        break;
+    }
+    case 1:
+        ResetSpriteData();
+        ResetTasks();
+        ResetPaletteFade();
+        dp12_8087EA4();
+        break;
+    case 2:
+        SetUpWindowConfig(&gWindowConfig_81E6CE4);
+        InitMenuWindow(&gWindowConfig_81E6CE4);
+        REG_DISPCNT = DISPCNT_MODE_0 | DISPCNT_BG0_ON;
+        break;
+    case 3:
+    {
+        u32 savedIme;
+
+        BlendPalettes(-1, 0x10, 0);
+        SetVBlankCallback(sub_80719F0);
+        savedIme = REG_IME;
+        REG_IME = 0;
+        REG_IE |= 1;
+        REG_IME = savedIme;
+        break;
+    }
+    case 4:
+        return TRUE;
+    }
+    (*step)++;
+    return FALSE;
+}
+
+void sub_8071B28(void)
+{
+    if (sub_80719FC(&gMain.state))
+    {
+        CreateTask(Task_8071B64, 0x50);
+        SetMainCallback2(sub_8071B54);
+    }
+}
+
+static void sub_8071B54(void)
+{
+    RunTasks();
+    UpdatePaletteFade();
+}
+
+static void Task_8071B64(u8 taskId)
+{
+    s16 *step = gTasks[taskId].data;
+
+    if (!gPaletteFade.active)
+    {
+        switch (*step)
+        {
+        case 0:
+            MenuDisplayMessageBox();
+            MenuPrint(gSystemText_Saving, 2, 15);
+            BeginNormalPaletteFade(-1, 0, 0x10, 0, 0);
+            (*step)++;
+            break;
+        case 1:
+            SetSecretBase2Field_9_AndHideBG();
+            sub_8125E2C();
+            (*step)++;
+            break;
+        case 2:
+            if (!sub_8125E6C())
+                break;
+            ClearSecretBase2Field_9_2();
+            (*step)++;
+            break;
+        case 3:
+            BeginNormalPaletteFade(-1, 0, 0, 0x10, 0);
+            (*step)++;
+            break;
+        case 4:
+            SetMainCallback2(gMain.savedCallback);
+            DestroyTask(taskId);
+            break;
+        }
+    }
+}