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#include "global.h"
#include "main.h"
#include "battle_controllers.h"
#include "bg.h"
#include "field_effect.h"
#include "field_weather.h"
#include "gpu_regs.h"
#include "malloc.h"
#include "menu.h"
#include "menu_helpers.h"
#include "overworld.h"
#include "palette.h"
#include "party_menu.h"
#include "scanline_effect.h"
#include "script.h"
#include "task.h"
#include "constants/rgb.h"
EWRAM_DATA struct
{
u32 unk0;
u8 filler4[0x804 - 0x4];
u8 unk804[11];
u8 unk80F[5];
u8 unk814;
u8 filler815;
s8 unk816;
u8 filler817[0x984 - 0x817];
u16 unk984;
u8 filler986[0x98C - 0x986];
} *gUnknown_0203CF2C = NULL;
EWRAM_DATA struct
{
void (*callback)(void);
u8 unk4;
u16 unk6;
u16 unk8;
} gUnknown_0203CF30 = {0};
extern const struct BgTemplate gUnknown_0861F2B4[3];
void sub_81C4F98(u8 a0, void (*callback)(void));
void sub_81C4F44(u8 taskId);
void sub_81C504C(void);
bool8 sub_81C5078(void);
void sub_81C51DC(void);
bool8 sub_81C5238(void);
void sub_81C5314(void);
void sub_81C5674(void);
void sub_81C56F8(void);
void sub_81C5924(void);
void sub_81C59BC(void);
void sub_81C5A20(void);
void sub_81C6BD8(void);
void sub_81C6EF4(void);
void sub_81C700C(void);
void sub_81C4EEC(void)
{
gUnknown_0203CF30.unk6 = 0;
gUnknown_0203CF30.unk8 = 0;
}
void sub_81C4EFC(void)
{
sub_81C4F98(0, CB2_ReturnToFieldWithOpenMenu);
}
void sub_81C4F10(void)
{
sub_81C4F98(1, SetCB2ToReshowScreenAfterMenu2);
}
void sub_81C4F24(void)
{
ScriptContext2_Enable();
FadeScreen(1, 0);
CreateTask(sub_81C4F44, 10);
}
void sub_81C4F44(u8 taskId)
{
if (!gPaletteFade.active)
{
overworld_free_bg_tilemaps();
gFieldCallback2 = hm_add_c3_without_phase_2;
sub_81C4F98(3, CB2_ReturnToField);
DestroyTask(taskId);
}
}
void sub_81C4F84(void)
{
sub_81C4F98(4, gUnknown_0203CF30.callback);
}
void sub_81C4F98(u8 a0, void (*callback)(void))
{
gUnknown_0203CF2C = AllocZeroed(sizeof(*gUnknown_0203CF2C));
if (a0 != 4)
{
gUnknown_0203CF30.unk4 = a0;
}
if (callback != NULL)
{
gUnknown_0203CF30.callback = callback;
}
gUnknown_0203CF2C->unk0 = 0;
gUnknown_0203CF2C->unk814 = -1;
gUnknown_0203CF2C->unk816 = -1;
memset(gUnknown_0203CF2C->unk804, 0xFF, sizeof(gUnknown_0203CF2C->unk804));
memset(gUnknown_0203CF2C->unk80F, 0xFF, sizeof(gUnknown_0203CF2C->unk80F));
SetMainCallback2(sub_81C504C);
}
void sub_81C501C(void)
{
RunTasks();
AnimateSprites();
BuildOamBuffer();
do_scheduled_bg_tilemap_copies_to_vram();
UpdatePaletteFade();
}
void sub_81C5038(void)
{
LoadOam();
ProcessSpriteCopyRequests();
TransferPlttBuffer();
}
void sub_81C504C(void)
{
while (sub_81221EC() != TRUE && sub_81C5078() != TRUE && sub_81221AC() != TRUE);
}
bool8 sub_81C5078(void)
{
switch (gMain.state)
{
case 0:
SetVBlankHBlankCallbacksToNull();
clear_scheduled_bg_copies_to_vram();
gMain.state++;
break;
case 1:
ScanlineEffect_Stop();
gMain.state++;
break;
case 2:
FreeAllSpritePalettes();
gMain.state++;
break;
case 3:
ResetPaletteFade();
gPaletteFade.bufferTransferDisabled = TRUE;
gMain.state++;
break;
case 4:
ResetSpriteData();
gMain.state++;
break;
case 5:
if (!sub_81221AC())
{
ResetTasks();
}
gMain.state++;
break;
case 6:
sub_81C51DC();
gUnknown_0203CF2C->unk984 = 0;
gMain.state++;
break;
case 7:
if (sub_81C5238())
{
gMain.state++;
}
break;
case 8:
sub_81C6BD8();
gMain.state++;
break;
case 9:
sub_81C5924();
sub_81C59BC();
sub_81C5A20();
gMain.state++;
break;
case 10:
sub_81C5314();
gMain.state++;
break;
case 11:
sub_81C56F8();
gMain.state++;
break;
case 12:
sub_81C6EF4();
gMain.state++;
break;
case 13:
sub_81C5674();
gMain.state++;
break;
case 14:
sub_81C700C();
gMain.state++;
break;
case 15:
BlendPalettes(0xFFFFFFFF, 0x10, 0);
gMain.state++;
break;
case 16:
BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10, 0, RGB_BLACK);
gPaletteFade.bufferTransferDisabled = FALSE;
gMain.state++;
break;
default:
SetVBlankCallback(sub_81C5038);
SetMainCallback2(sub_81C501C);
return TRUE;
}
return FALSE;
}
void sub_81C51DC(void)
{
ResetVramOamAndBgCntRegs();
ResetBgsAndClearDma3BusyFlags(0);
InitBgsFromTemplates(0, gUnknown_0861F2B4, ARRAY_COUNT(gUnknown_0861F2B4));
SetBgTilemapBuffer(2, gUnknown_0203CF2C->filler4);
ResetAllBgsCoordinates();
schedule_bg_copy_tilemap_to_vram(2);
SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0 |
DISPCNT_OBJ_1D_MAP |
DISPCNT_OBJ_ON);
ShowBg(0);
ShowBg(1);
ShowBg(2);
SetGpuReg(REG_OFFSET_BLDCNT, 0);
}
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