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#include "global.h"
#include "rom_8077ABC.h"
#include "trig.h"
#include "battle_anim.h"
#include "sound.h"
#include "decompress.h"
#include "palette.h"
extern s16 gBattleAnimArgs[];
extern u8 gBattleAnimBankAttacker;
extern u8 gBattleAnimBankTarget;
extern struct INCBIN_U8 gBattleAnimBackgroundTilemap_ScaryFaceContest;
extern struct INCBIN_U8 gBattleAnimBackgroundTilemap_ScaryFacePlayer;
extern struct INCBIN_U8 gBattleAnimBackgroundTilemap_ScaryFaceOpponent;
extern struct INCBIN_U8 gBattleAnimBackgroundImage_ScaryFace;
extern struct INCBIN_U8 gBattleAnimBackgroundPalette_ScaryFace;
extern u16 gUnknown_030041B4;
extern u16 gUnknown_030042C0;
static void sub_80D24E0(u8 taskId);
// scary_face (darkens the screen and shows a scary face.)
// Used in Glare and Scary Face.
void sub_80D23B4(u8 taskId)
{
struct Struct_sub_8078914 subStruct;
u8* tempvar;
REG_BLDCNT = 0x3F42;
REG_BLDALPHA = 0x1000;
REG_BG1CNT_BITFIELD.priority = 1;
REG_BG1CNT_BITFIELD.screenSize = 0;
if (!NotInBattle())
REG_BG1CNT_BITFIELD.charBaseBlock = 1;
gUnknown_030042C0 = 0;
gUnknown_030041B4 = 0;
REG_BG1HOFS = 0;
REG_BG1VOFS = 0;
sub_8078914(&subStruct);
tempvar = subStruct.field_4;
DmaFill32(3, 0x0, tempvar, 0x1000);
if (NotInBattle())
LZDecompressVram(&gBattleAnimBackgroundTilemap_ScaryFaceContest, subStruct.field_4);
else if (GetBankSide(gBattleAnimBankTarget) == 1)
LZDecompressVram(&gBattleAnimBackgroundTilemap_ScaryFacePlayer, subStruct.field_4);
else
LZDecompressVram(&gBattleAnimBackgroundTilemap_ScaryFaceOpponent, subStruct.field_4);
LZDecompressVram(&gBattleAnimBackgroundImage_ScaryFace, subStruct.field_0);
LoadCompressedPalette(&gBattleAnimBackgroundPalette_ScaryFace, subStruct.field_8 << 4, 32);
if (NotInBattle())
sub_80763FC(subStruct.field_8, (u16 *)subStruct.field_4, 0, 0);
gTasks[taskId].func = sub_80D24E0;
}
void sub_80D24E0(u8 taskId)
{
struct Struct_sub_8078914 subStruct;
switch (gTasks[taskId].data[12])
{
case 0:
if (++gTasks[taskId].data[10] == 2)
{
gTasks[taskId].data[10] = 0;
gTasks[taskId].data[11]++;
REG_BLDALPHA = gTasks[taskId].data[11] | ((16 - gTasks[taskId].data[11]) << 8);
if (gTasks[taskId].data[11] == 14)
{
gTasks[taskId].data[12]++;
gTasks[taskId].data[11] = 0;
}
}
break;
case 1:
if (++gTasks[taskId].data[11] == 0x15)
{
gTasks[taskId].data[11] = 14;
gTasks[taskId].data[12]++;
}
break;
case 2:
if (++gTasks[taskId].data[10] == 2)
{
gTasks[taskId].data[10] = 0;
gTasks[taskId].data[11]--;
REG_BLDALPHA = gTasks[taskId].data[11] | ((16 - gTasks[taskId].data[11]) << 8);
if (gTasks[taskId].data[11] == 0)
{
gTasks[taskId].data[12]++;
gTasks[taskId].data[11] = 0;
}
}
break;
case 3:
sub_8078914(&subStruct);
{
u8 *addr = subStruct.field_0;
u32 size = 0x2000;
while (1)
{
DmaFill32(3, 0, addr, 0x1000);
addr += 0x1000;
size -= 0x1000;
if (size <= 0x1000)
{
DmaFill32(3, 0, addr, size);
break;
}
}
}
DmaClear32(3, subStruct.field_4, 0x800);
if (!NotInBattle())
REG_BG1CNT_BITFIELD.charBaseBlock = 0;
gTasks[taskId].data[12]++;
// fall through
case 4:
REG_BLDCNT = 0;
REG_BLDALPHA = 0;
REG_BG1CNT_BITFIELD.priority = 1;
DestroyAnimVisualTask(taskId);
break;
}
}
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