pokeemerald/src/rayquaza_scene.c

#include "global.h"
#include "rayquaza_scene.h"
#include "sprite.h"
#include "task.h"
#include "graphics.h"
#include "bg.h"
#include "main.h"
#include "malloc.h"
#include "palette.h"
#include "scanline_effect.h"
#include "menu.h"
#include "menu_helpers.h"
#include "gpu_regs.h"
#include "decompress.h"
#include "sound.h"
#include "constants/songs.h"
#include "constants/rgb.h"
#include "random.h"

// this file's functions
void sub_81D7134(u8 taskId);
void sub_81D7F4C(u8 taskId);
void sub_81D84EC(u8 taskId);
void sub_81D8980(u8 taskId);
void sub_81D8DB4(u8 taskId);
void sub_81D857C(u8 taskId);
void sub_81D8684(u8 taskId);
void sub_81D89E0(u8 taskId);
void sub_81D8AD8(u8 taskId);
void sub_81D8B2C(u8 taskId);
void sub_81D8BEC(u8 taskId);
void Task_EndAfterFadeScreen(u8 taskId);

void sub_81D8260(struct Sprite *sprite);
void sub_81D961C(struct Sprite *sprite);

// const rom data
const TaskFunc sTasksForAnimations[] =
{
    sub_81D7134, // RAY_ANIM_DUO_FIGHT_PRE
    sub_81D7134, // RAY_ANIM_DUO_FIGHT
    sub_81D7F4C, // RAY_ANIM_TAKES_FLIGHT
    sub_81D84EC, // RAY_ANIM_DESCENDS
    sub_81D8980, // RAY_ANIM_CHARGES
    sub_81D8DB4, // RAY_ANIM_CHACES_AWAY
    Task_EndAfterFadeScreen // RAY_ANIM_END
};

static const struct OamData sOamData_862A6BC =
{
    .y = 0,
    .affineMode = 0,
    .objMode = 0,
    .mosaic = 0,
    .bpp = 0,
    .shape = 0,
    .x = 0,
    .matrixNum = 0,
    .size = 3,
    .tileNum = 0,
    .priority = 2,
    .paletteNum = 0,
    .affineParam = 0
};

static const struct OamData sOamData_862A6C4 =
{
    .y = 0,
    .affineMode = 0,
    .objMode = 0,
    .mosaic = 0,
    .bpp = 0,
    .shape = 0,
    .x = 0,
    .matrixNum = 0,
    .size = 2,
    .tileNum = 0,
    .priority = 2,
    .paletteNum = 0,
    .affineParam = 0
};

static const struct OamData sOamData_862A6CC =
{
    .y = 0,
    .affineMode = 0,
    .objMode = 0,
    .mosaic = 0,
    .bpp = 0,
    .shape = 1,
    .x = 0,
    .matrixNum = 0,
    .size = 3,
    .tileNum = 0,
    .priority = 2,
    .paletteNum = 0,
    .affineParam = 0
};

static const struct OamData sOamData_862A6D4 =
{
    .y = 0,
    .affineMode = 0,
    .objMode = 0,
    .mosaic = 0,
    .bpp = 0,
    .shape = 1,
    .x = 0,
    .matrixNum = 0,
    .size = 2,
    .tileNum = 0,
    .priority = 2,
    .paletteNum = 0,
    .affineParam = 0
};

static const struct OamData sOamData_862A6DC =
{
    .y = 0,
    .affineMode = 0,
    .objMode = 0,
    .mosaic = 0,
    .bpp = 0,
    .shape = 1,
    .x = 0,
    .matrixNum = 0,
    .size = 0,
    .tileNum = 0,
    .priority = 2,
    .paletteNum = 0,
    .affineParam = 0
};

static const struct OamData sOamData_862A6E4 =
{
    .y = 0,
    .affineMode = 0,
    .objMode = 0,
    .mosaic = 0,
    .bpp = 0,
    .shape = 2,
    .x = 0,
    .matrixNum = 0,
    .size = 2,
    .tileNum = 0,
    .priority = 2,
    .paletteNum = 0,
    .affineParam = 0
};

static const struct OamData sOamData_862A6EC =
{
    .y = 0,
    .affineMode = 0,
    .objMode = 0,
    .mosaic = 0,
    .bpp = 0,
    .shape = 0,
    .x = 0,
    .matrixNum = 0,
    .size = 1,
    .tileNum = 0,
    .priority = 2,
    .paletteNum = 0,
    .affineParam = 0
};

static const struct OamData sOamData_862A6F4 =
{
    .y = 0,
    .affineMode = 0,
    .objMode = 0,
    .mosaic = 0,
    .bpp = 0,
    .shape = 1,
    .x = 0,
    .matrixNum = 0,
    .size = 1,
    .tileNum = 0,
    .priority = 2,
    .paletteNum = 0,
    .affineParam = 0
};

static const union AnimCmd sSpriteAnim_862A6FC[] =
{
    ANIMCMD_FRAME(0, 30),
    ANIMCMD_FRAME(64, 30),
    ANIMCMD_FRAME(128, 30),
    ANIMCMD_FRAME(64, 30),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd sSpriteAnim_862A710[] =
{
    ANIMCMD_FRAME(192, 30),
    ANIMCMD_FRAME(256, 30),
    ANIMCMD_FRAME(320, 30),
    ANIMCMD_FRAME(256, 30),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd *const sSpriteAnimTable_862A724[] =
{
    sSpriteAnim_862A6FC,
    sSpriteAnim_862A710
};

const struct SpriteTemplate gUnknown_0862A72C =
{
    .tileTag = 30505,
    .paletteTag = 30505,
    .oam = &sOamData_862A6BC,
    .anims = sSpriteAnimTable_862A724,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

static const union AnimCmd sSpriteAnim_862A744[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862A74C[] =
{
    sSpriteAnim_862A744
};

const struct SpriteTemplate gUnknown_0862A750 =
{
    .tileTag = 30506,
    .paletteTag = 30505,
    .oam = &sOamData_862A6C4,
    .anims = sSpriteAnimTable_862A74C,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

static const union AnimCmd sSpriteAnim_862A768[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862A770[] =
{
    sSpriteAnim_862A768
};

const struct SpriteTemplate gUnknown_0862A774 =
{
    .tileTag = 30507,
    .paletteTag = 30505,
    .oam = &sOamData_862A6CC,
    .anims = sSpriteAnimTable_862A770,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

static const union AnimCmd sSpriteAnim_862A78C[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A794[] =
{
    ANIMCMD_FRAME(8, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A79C[] =
{
    ANIMCMD_FRAME(16, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A7A4[] =
{
    ANIMCMD_FRAME(24, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A7AC[] =
{
    ANIMCMD_FRAME(32, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A7B4[] =
{
    ANIMCMD_FRAME(40, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A7BC[] =
{
    ANIMCMD_FRAME(48, 36),
    ANIMCMD_FRAME(64, 36),
    ANIMCMD_FRAME(80, 36),
    ANIMCMD_FRAME(64, 36),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd sSpriteAnim_862A7D0[] =
{
    ANIMCMD_FRAME(56, 36),
    ANIMCMD_FRAME(72, 36),
    ANIMCMD_FRAME(88, 36),
    ANIMCMD_FRAME(72, 36),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd sSpriteAnim_862A7E4[] =
{
    ANIMCMD_FRAME(96, 36),
    ANIMCMD_FRAME(104, 36),
    ANIMCMD_FRAME(112, 36),
    ANIMCMD_FRAME(104, 36),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd *const sSpriteAnimTable_862A7F8[] =
{
    sSpriteAnim_862A78C,
    sSpriteAnim_862A794,
    sSpriteAnim_862A79C,
    sSpriteAnim_862A7A4,
    sSpriteAnim_862A7AC,
    sSpriteAnim_862A7B4,
    sSpriteAnim_862A7BC,
    sSpriteAnim_862A7D0,
    sSpriteAnim_862A7E4
};

const struct SpriteTemplate gUnknown_0862A81C =
{
    .tileTag = 30508,
    .paletteTag = 30508,
    .oam = &sOamData_862A6D4,
    .anims = sSpriteAnimTable_862A7F8,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

static const union AnimCmd sSpriteAnim_862A834[] =
{
    ANIMCMD_FRAME(0, 36),
    ANIMCMD_FRAME(2, 36),
    ANIMCMD_FRAME(4, 36),
    ANIMCMD_FRAME(2, 36),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd *const sSpriteAnimTable_862A848[] =
{
    sSpriteAnim_862A834
};

const struct SpriteTemplate gUnknown_0862A84C =
{
    .tileTag = 30509,
    .paletteTag = 30508,
    .oam = &sOamData_862A6DC,
    .anims = sSpriteAnimTable_862A848,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct SpriteTemplate gUnknown_0862A864 =
{
    .tileTag = 30510,
    .paletteTag = 30508,
    .oam = &sOamData_862A6C4,
    .anims = sSpriteAnimTable_862A74C,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct ScanlineEffectParams gUnknown_0862A87C =
{
    .dmaDest = (vu16 *)REG_ADDR_BG1HOFS,
    .dmaControl = 0xA2600001,
    .initState = 1
};

const struct BgTemplate gUnknown_0862A888[] =
{
    {
        .bg = 0,
        .charBaseIndex = 0,
        .mapBaseIndex = 31,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 0,
        .baseTile = 0
    },
    {
        .bg = 1,
        .charBaseIndex = 0,
        .mapBaseIndex = 30,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 2,
        .baseTile = 0
    },
    {
        .bg = 2,
        .charBaseIndex = 0,
        .mapBaseIndex = 29,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 1,
        .baseTile = 0
    },
};

static const union AnimCmd sSpriteAnim_862A894[] =
{
    ANIMCMD_FRAME(0, 20),
    ANIMCMD_FRAME(64, 20),
    ANIMCMD_FRAME(128, 20),
    ANIMCMD_FRAME(64, 20),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd sSpriteAnim_862A8A8[] =
{
    ANIMCMD_FRAME(192, 20),
    ANIMCMD_FRAME(256, 20),
    ANIMCMD_FRAME(320, 20),
    ANIMCMD_FRAME(256, 20),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd *const sSpriteAnimTable_862A8BC[] =
{
    sSpriteAnim_862A894,
    sSpriteAnim_862A8A8
};

const struct CompressedSpriteSheet gUnknown_0862A8C4 =
{
    gRaySceneGroudon_Gfx, 0x3000, 30505
};

const struct CompressedSpritePalette gUnknown_0862A8CC =
{
    gRaySceneGroudon_Pal, 30505
};

const struct SpriteTemplate gUnknown_0862A8D4 =
{
    .tileTag = 30505,
    .paletteTag = 30505,
    .oam = &sOamData_862A6BC,
    .anims = sSpriteAnimTable_862A8BC,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

static const union AnimCmd sSpriteAnim_862A8EC[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862A8F4[] =
{
    sSpriteAnim_862A8EC
};

const struct CompressedSpriteSheet gUnknown_0862A8F8 =
{
    gRaySceneGroudon2_Gfx, 0x200, 30506
};

const struct SpriteTemplate gUnknown_0862A900 =
{
    .tileTag = 30506,
    .paletteTag = 30505,
    .oam = &sOamData_862A6C4,
    .anims = sSpriteAnimTable_862A8F4,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

static const union AnimCmd sSpriteAnim_862A918[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862A920[] =
{
    sSpriteAnim_862A918
};

const struct CompressedSpriteSheet gUnknown_0862A924 =
{
    gRaySceneGroudon3_Gfx, 0x400, 30507
};

const struct SpriteTemplate gUnknown_0862A92C =
{
    .tileTag = 30507,
    .paletteTag = 30505,
    .oam = &sOamData_862A6CC,
    .anims = sSpriteAnimTable_862A920,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

static const union AnimCmd sSpriteAnim_862A944[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A94C[] =
{
    ANIMCMD_FRAME(8, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A954[] =
{
    ANIMCMD_FRAME(16, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A95C[] =
{
    ANIMCMD_FRAME(24, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A964[] =
{
    ANIMCMD_FRAME(32, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A96C[] =
{
    ANIMCMD_FRAME(40, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862A974[] =
{
    ANIMCMD_FRAME(48, 24),
    ANIMCMD_FRAME(64, 24),
    ANIMCMD_FRAME(80, 24),
    ANIMCMD_FRAME(64, 24),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd sSpriteAnim_862A988[] =
{
    ANIMCMD_FRAME(56, 24),
    ANIMCMD_FRAME(72, 24),
    ANIMCMD_FRAME(88, 24),
    ANIMCMD_FRAME(72, 24),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd sSpriteAnim_862A99C[] =
{
    ANIMCMD_FRAME(96, 24),
    ANIMCMD_FRAME(104, 24),
    ANIMCMD_FRAME(112, 24),
    ANIMCMD_FRAME(104, 24),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd *const sSpriteAnimTable_862A9B0[] =
{
    sSpriteAnim_862A944,
    sSpriteAnim_862A94C,
    sSpriteAnim_862A954,
    sSpriteAnim_862A95C,
    sSpriteAnim_862A964,
    sSpriteAnim_862A96C,
    sSpriteAnim_862A974,
    sSpriteAnim_862A988,
    sSpriteAnim_862A99C
};

const struct CompressedSpriteSheet gUnknown_0862A9D4 =
{
    gRaySceneKyogre_Gfx, 0xF00, 30508
};

const struct CompressedSpritePalette gUnknown_0862A9DC =
{
    gRaySceneKyogre_Pal, 30508
};

const struct SpriteTemplate gUnknown_0862A9E4 =
{
    .tileTag = 30508,
    .paletteTag = 30508,
    .oam = &sOamData_862A6D4,
    .anims = sSpriteAnimTable_862A9B0,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

static const union AnimCmd sSpriteAnim_862A9FC[] =
{
    ANIMCMD_FRAME(0, 24),
    ANIMCMD_FRAME(2, 24),
    ANIMCMD_FRAME(4, 24),
    ANIMCMD_FRAME(2, 24),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd *const sSpriteAnimTable_862AA10[] =
{
    sSpriteAnim_862A9FC
};

const struct CompressedSpriteSheet gUnknown_0862AA14 =
{
    gRaySceneKyogre2_Gfx, 0xC0, 30509
};

const struct SpriteTemplate gUnknown_0862AA1C =
{
    .tileTag = 30509,
    .paletteTag = 30508,
    .oam = &sOamData_862A6DC,
    .anims = sSpriteAnimTable_862AA10,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct CompressedSpriteSheet gUnknown_0862AA34 =
{
    gRaySceneKyogre3_Gfx, 0x200, 30510
};

const struct SpriteTemplate gUnknown_0862AA3C =
{
    .tileTag = 30510,
    .paletteTag = 30508,
    .oam = &sOamData_862A6C4,
    .anims = sSpriteAnimTable_862A8F4,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct BgTemplate gUnknown_0862AA54[] =
{
    {
        .bg = 0,
        .charBaseIndex = 2,
        .mapBaseIndex = 31,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 0,
        .baseTile = 0
    },
    {
        .bg = 1,
        .charBaseIndex = 0,
        .mapBaseIndex = 30,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 2,
        .baseTile = 0
    },
    {
        .bg = 2,
        .charBaseIndex = 1,
        .mapBaseIndex = 29,
        .screenSize = 1,
        .paletteMode = 0,
        .priority = 1,
        .baseTile = 0
    }
};

static const union AnimCmd sSpriteAnim_862AA60[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862AA68[] =
{
    sSpriteAnim_862AA60
};

static const union AffineAnimCmd sSpriteAffineAnim_862AA6C[] =
{
    AFFINEANIMCMD_FRAME(-64, -64, 0, 1),
    AFFINEANIMCMD_FRAME(32, 32, 0, 14),
    AFFINEANIMCMD_FRAME(256, 256, 0, 0),
    AFFINEANIMCMD_JUMP(0)
};

static const union AffineAnimCmd *const sSpriteAffineAnimTable_862AA8C[] =
{
    sSpriteAffineAnim_862AA6C
};

const struct CompressedSpriteSheet gUnknown_0862AA90 =
{
    gRaySceneSmoke_Gfx, 0x100, 30555
};

const struct CompressedSpritePalette gUnknown_0862AA98 =
{
    gRaySceneSmoke_Pal, 30555
};

const struct SpriteTemplate gUnknown_0862AAA0 =
{
    .tileTag = 30555,
    .paletteTag = 30555,
    .oam = &sOamData_862A6D4,
    .anims = sSpriteAnimTable_862AA68,
    .images = NULL,
    .affineAnims = sSpriteAffineAnimTable_862AA8C,
    .callback = sub_81D8260,
};

const s8 gUnknown_0862AAB8[][2] =
{
    {-1,    5},
    {-3,    -4},
    {5,     -3},
    {-7,    2},
    {-9,    -1},
    {1,     -5},
    {3,     4},
    {-5,    3},
    {7,     -2},
    {9,     1}
};

const struct BgTemplate gUnknown_0862AACC[] =
{
    {
        .bg = 0,
        .charBaseIndex = 0,
        .mapBaseIndex = 31,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 0,
        .baseTile = 0
    },
    {
        .bg = 1,
        .charBaseIndex = 1,
        .mapBaseIndex = 30,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 1,
        .baseTile = 0
    },
    {
        .bg = 2,
        .charBaseIndex = 2,
        .mapBaseIndex = 29,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 2,
        .baseTile = 0
    },
    {
        .bg = 3,
        .charBaseIndex = 1,
        .mapBaseIndex = 28,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 3,
        .baseTile = 0
    }
};

static const union AnimCmd sSpriteAnim_862AADC[] =
{
    ANIMCMD_FRAME(0, 32),
    ANIMCMD_FRAME(64, 32),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd *const sSpriteAnimTable_862AAE8[] =
{
    sSpriteAnim_862AADC
};

static const union AnimCmd sSpriteAnim_862AAEC[] =
{
    ANIMCMD_FRAME(0, 32),
    ANIMCMD_FRAME(8, 32),
    ANIMCMD_JUMP(0),
};

static const union AnimCmd *const sSpriteAnimTable_862AAF8[] =
{
    sSpriteAnim_862AAEC
};

const struct CompressedSpriteSheet gUnknown_0862AAFC =
{
    gRaySceneRayquazaFly1_Gfx, 0x1000, 30556
};

const struct CompressedSpriteSheet gUnknown_0862AB04 =
{
    gRaySceneRayquazaTail_Gfx, 0x200, 30557
};

const struct CompressedSpritePalette gUnknown_0862AB0C =
{
    gRaySceneRayquaza_Pal, 30556
};

const struct SpriteTemplate gUnknown_0862AB14 =
{
    .tileTag = 30556,
    .paletteTag = 30556,
    .oam = &sOamData_862A6BC,
    .anims = sSpriteAnimTable_862AAE8,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct SpriteTemplate gUnknown_0862AB2C =
{
    .tileTag = 30557,
    .paletteTag = 30556,
    .oam = &sOamData_862A6E4,
    .anims = sSpriteAnimTable_862AAF8,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct BgTemplate gUnknown_0862AB44[] =
{
    {
        .bg = 0,
        .charBaseIndex = 2,
        .mapBaseIndex = 31,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 0,
        .baseTile = 0
    },
    {
        .bg = 1,
        .charBaseIndex = 1,
        .mapBaseIndex = 30,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 1,
        .baseTile = 0
    },
    {
        .bg = 2,
        .charBaseIndex = 2,
        .mapBaseIndex = 29,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 2,
        .baseTile = 0
    },
    {
        .bg = 3,
        .charBaseIndex = 3,
        .mapBaseIndex = 28,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 3,
        .baseTile = 0
    }
};

static const union AnimCmd sSpriteAnim_862AB54[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862AB5C[] =
{
    ANIMCMD_FRAME(0, 48),
    ANIMCMD_FRAME(64, 32),
    ANIMCMD_FRAME(0, 48),
    ANIMCMD_FRAME(128, 32),
    ANIMCMD_JUMP(0)
};

static const union AnimCmd *const sSpriteAnimTable_862AB70[] =
{
    sSpriteAnim_862AB54,
    sSpriteAnim_862AB5C
};

static const union AnimCmd sSpriteAnim_862AB78[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862AB80[] =
{
    sSpriteAnim_862AB78,
};

static const union AnimCmd sSpriteAnim_862AB84[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862AB8C[] =
{
    ANIMCMD_FRAME(16, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862AB94[] =
{
    ANIMCMD_FRAME(32, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862AB9C[] =
{
    sSpriteAnim_862AB84,
    sSpriteAnim_862AB8C,
    sSpriteAnim_862AB94
};

static const union AnimCmd sSpriteAnim_862ABA8[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862ABB0[] =
{
    ANIMCMD_FRAME(64, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862ABB8[] =
{
    ANIMCMD_FRAME(128, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862ABC0[] =
{
    ANIMCMD_FRAME(192, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862ABC8[] =
{
    sSpriteAnim_862ABA8,
    sSpriteAnim_862ABB0,
    sSpriteAnim_862ABB8,
    sSpriteAnim_862ABC0
};

static const union AnimCmd sSpriteAnim_862ABD8[] =
{
    ANIMCMD_FRAME(0, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862ABE0[] =
{
    ANIMCMD_FRAME(16, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862ABE8[] =
{
    ANIMCMD_FRAME(32, 1),
    ANIMCMD_END
};

static const union AnimCmd sSpriteAnim_862ABF0[] =
{
    ANIMCMD_FRAME(48, 1),
    ANIMCMD_END
};

static const union AnimCmd *const sSpriteAnimTable_862ABF8[] =
{
    sSpriteAnim_862ABD8,
    sSpriteAnim_862ABE0,
    sSpriteAnim_862ABE8,
    sSpriteAnim_862ABF0
};

static const union AnimCmd sSpriteAnim_862AC08[] =
{
    ANIMCMD_FRAME(0, 8),
    ANIMCMD_FRAME(4, 8),
    ANIMCMD_FRAME(8, 8),
    ANIMCMD_FRAME(12, 8),
    ANIMCMD_FRAME(16, 8),
    ANIMCMD_FRAME(20, 8),
    ANIMCMD_JUMP(0)
};

static const union AnimCmd *const sSpriteAnimTable_862AC24[] =
{
    sSpriteAnim_862AC08
};

const struct CompressedSpriteSheet gUnknown_0862AC28 =
{
    gRaySceneGroudonLeft_Gfx, 0x1800, 30565
};

const struct CompressedSpriteSheet gUnknown_0862AC30 =
{
    gRaySceneGroudonTail_Gfx, 0x80, 30566
};

const struct CompressedSpriteSheet gUnknown_0862AC38 =
{
    gRaySceneKyogreRight_Gfx, 0x600, 30568
};

const struct CompressedSpriteSheet gUnknown_0862AC40 =
{
    gRaySceneRayquazaHover_Gfx, 0x2000, 30569
};

const struct CompressedSpriteSheet gUnknown_0862AC48 =
{
    gRaySceneRayquazaFlyIn_Gfx, 0x800, 30570
};

const struct CompressedSpriteSheet gUnknown_0862AC50 =
{
    gRaySceneSplash_Gfx, 0x300, 30571
};

const struct CompressedSpritePalette gUnknown_0862AC58 =
{
    gRaySceneGroudonLeft_Pal, 30565
};

const struct CompressedSpritePalette gUnknown_0862AC60 =
{
    gRaySceneKyogreRight_Pal, 30568
};

const struct CompressedSpritePalette gUnknown_0862AC68 =
{
    gRaySceneRayquazaHover_Pal, 30569
};

const struct CompressedSpritePalette gUnknown_0862AC70 =
{
    gRaySceneSplash_Pal, 30571
};

const struct SpriteTemplate gUnknown_0862AC78 =
{
    .tileTag = 30565,
    .paletteTag = 30565,
    .oam = &sOamData_862A6BC,
    .anims = sSpriteAnimTable_862AB70,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct SpriteTemplate gUnknown_0862AC90 =
{
    .tileTag = 30566,
    .paletteTag = 30565,
    .oam = &sOamData_862A6EC,
    .anims = sSpriteAnimTable_862AB80,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct SpriteTemplate gUnknown_0862ACA8 =
{
    .tileTag = 30568,
    .paletteTag = 30568,
    .oam = &sOamData_862A6C4,
    .anims = sSpriteAnimTable_862AB9C,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct SpriteTemplate gUnknown_0862ACC0 =
{
    .tileTag = 30569,
    .paletteTag = 30569,
    .oam = &sOamData_862A6BC,
    .anims = sSpriteAnimTable_862ABC8,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = sub_81D961C,
};

const struct SpriteTemplate gUnknown_0862ACD8 =
{
    .tileTag = 30570,
    .paletteTag = 30569,
    .oam = &sOamData_862A6C4,
    .anims = sSpriteAnimTable_862ABF8,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct SpriteTemplate gUnknown_0862ACF0 =
{
    .tileTag = 30571,
    .paletteTag = 30571,
    .oam = &sOamData_862A6F4,
    .anims = sSpriteAnimTable_862AC24,
    .images = NULL,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy,
};

const struct BgTemplate gUnknown_0862AD08[] =
{
    {
        .bg = 0,
        .charBaseIndex = 1,
        .mapBaseIndex = 31,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 1,
        .baseTile = 0
    },
    {
        .bg = 1,
        .charBaseIndex = 1,
        .mapBaseIndex = 30,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 2,
        .baseTile = 0
    },
    {
        .bg = 2,
        .charBaseIndex = 0,
        .mapBaseIndex = 29,
        .screenSize = 0,
        .paletteMode = 0,
        .priority = 0,
        .baseTile = 0
    }
};

struct RaySceneStruct
{
    MainCallback callback;
    u8 tilemapBuffers[4][0x800];
    u16 field_2004;
    u8 animId;
    bool8 onlyOneAnim;
    s16 field_2008;
    s16 field_200A;
};

extern struct RaySceneStruct *sRayScene;

// this file's functions
void sub_81D6774(void);
void sub_81D67D0(void);
void sub_81D750C(void);
void sub_81D7438(void);
void sub_81D7480(void);
void sub_81D74C8(void);
void sub_81D8BB4(void);
void sub_81D75B4(u8 taskId, s8 palDelay);
void sub_81D6A20(struct Sprite *sprite);
void sub_81D6D20(struct Sprite *sprite);
void sub_81D7860(struct Sprite *sprite);
void sub_81D7D14(struct Sprite *sprite);
void sub_81D7700(struct Sprite *sprite);
void sub_81D7A60(struct Sprite *sprite);
void sub_81D874C(struct Sprite *sprite);
void sub_81D7228(u8 taskId);
void sub_81D736C(u8 taskId);
void sub_81D752C(u8 taskId);
void sub_81D7600(u8 taskId);
void sub_81D7FC0(u8 taskId);
void sub_81D81A4(u8 taskId);
void sub_81D8164(u8 taskId);
u8 sub_81D7664(void);
u8 sub_81D78BC(void);
u8 sub_81D86CC(void);

// code
void sub_81D6720(u8 animId, bool8 onlyOneAnim, MainCallback callback)
{
    sRayScene = AllocZeroed(0x2018);
    sRayScene->animId = animId;
    sRayScene->callback = callback;
    sRayScene->onlyOneAnim = onlyOneAnim;
    SetMainCallback2(sub_81D6774);
}

void sub_81D6774(void)
{
    SetVBlankHBlankCallbacksToNull();
    clear_scheduled_bg_copies_to_vram();
    ScanlineEffect_Stop();
    FreeAllSpritePalettes();
    ResetPaletteFade();
    ResetSpriteData();
    ResetTasks();
    FillPalette(0, 0xF0, 0x20);
    CreateTask(sTasksForAnimations[sRayScene->animId], 0);
    SetMainCallback2(sub_81D67D0);
}

void sub_81D67D0(void)
{
    RunTasks();
    AnimateSprites();
    BuildOamBuffer();
    do_scheduled_bg_tilemap_copies_to_vram();
    UpdatePaletteFade();
}

void sub_81D67EC(void)
{
    LoadOam();
    ProcessSpriteCopyRequests();
    TransferPlttBuffer();
}

void Task_EndAfterFadeScreen(u8 taskId)
{
    if (!gPaletteFade.active)
    {
        ResetSpriteData();
        FreeAllSpritePalettes();
        SetMainCallback2(sRayScene->callback);
        Free(sRayScene);
        DestroyTask(taskId);
    }
}

void Task_SetNextAnim(u8 taskId)
{
    if (!gPaletteFade.active)
    {
        if (sRayScene->onlyOneAnim == TRUE)
        {
            gTasks[taskId].func = Task_EndAfterFadeScreen;
        }
        else
        {
            sRayScene->animId++;
            sRayScene->field_2004 = 0;
            gTasks[taskId].func = sTasksForAnimations[sRayScene->animId];
        }
    }
}

void sub_81D68C8(void)
{
    SetGpuReg(REG_OFFSET_WININ, 0x3F);
    SetGpuReg(REG_OFFSET_WINOUT, 0);
    SetGpuReg(REG_OFFSET_WIN0H, 0xF0);
    SetGpuReg(REG_OFFSET_WIN0V, 0x1888);
    gPlttBufferUnfaded[0] = 0;
    gPlttBufferFaded[0] = 0;
}

void sub_81D6904(void)
{
    SetGpuReg(REG_OFFSET_WININ, 0x3F);
    SetGpuReg(REG_OFFSET_WINOUT, 0x3F);
}

void sub_81D691C(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    sub_81D750C();
    if (!gPaletteFade.active)
    {
        s16 counter = data[0];
        if (counter == 64)
        {
            sub_81D7438();
        }
        else if (counter == 144)
        {
            sub_81D7480();
        }
        else
        {
            switch (counter)
            {
            case 328:
                sub_81D75B4(taskId, 0);
                return;
            case 148:
                sub_81D74C8();
                break;
            }
        }

        data[0]++;
    }
}

u8 sub_81D6984(void)
{
    u8 spriteId;
    s16 *data;

    spriteId = CreateSprite(&gUnknown_0862A72C, 88, 72, 3);
    gSprites[spriteId].callback = sub_81D6A20;
    data = gSprites[spriteId].data;
    data[0] = CreateSprite(&gUnknown_0862A72C, 56, 104, 3);
    data[1] = CreateSprite(&gUnknown_0862A750, 75, 101, 0);
    data[2] = CreateSprite(&gUnknown_0862A774, 109, 114, 1);
    StartSpriteAnim(&gSprites[data[0]], 1);
    return spriteId;
}

void sub_81D6A20(struct Sprite *sprite)
{
    s16 *data = sprite->data;
    data[5]++;
    data[5] &= 0x1F;
    if (data[5] == 0 && sprite->pos1.x != 72)
    {
        sprite->pos1.x--;
        gSprites[sprite->data[0]].pos1.x--;
        gSprites[data[1]].pos1.x--;
        gSprites[data[2]].pos1.x--;
    }

    switch (sprite->animCmdIndex)
    {
    case 0:
        gSprites[data[1]].pos2.x = 0;
        gSprites[data[1]].pos2.y = 0;
        gSprites[data[2]].pos2.x = 0;
        gSprites[data[2]].pos2.y = 0;
        break;
    case 1:
    case 3:
        gSprites[data[1]].pos2.x = -1;
        gSprites[data[1]].pos2.y = 0;
        gSprites[data[2]].pos2.x = -1;
        gSprites[data[2]].pos2.y = 0;
        break;
    case 2:
        gSprites[data[1]].pos2.x = -1;
        gSprites[data[1]].pos2.y = 1;
        gSprites[data[2]].pos2.x = -2;
        gSprites[data[2]].pos2.y = 1;
        break;
    }
}

u8 sub_81D6B7C(void)
{
    u8 spriteId;
    s16 *data;

    spriteId = CreateSprite(&gUnknown_0862A81C, 136, 96, 1);
    gSprites[spriteId].callback = sub_81D6D20;
    data = gSprites[spriteId].data;

    data[0] = CreateSprite(&gUnknown_0862A81C, 168, 96, 1) << 8;
    data[0] |= CreateSprite(&gUnknown_0862A81C, 136, 112, 1);
    data[1] = CreateSprite(&gUnknown_0862A81C, 168, 112, 1) << 8;
    data[1] |= CreateSprite(&gUnknown_0862A81C, 136, 128, 1);
    data[2] = CreateSprite(&gUnknown_0862A81C, 168, 128, 1) << 8;
    data[2] |= CreateSprite(&gUnknown_0862A81C, 104, 128, 2);
    data[3] = CreateSprite(&gUnknown_0862A81C, 136, 128, 2) << 8;
    data[3] |= CreateSprite(&gUnknown_0862A81C, 184, 128, 0);
    data[4] = CreateSprite(&gUnknown_0862A84C, 208, 132, 0) << 8;
    data[4] |= CreateSprite(&gUnknown_0862A864, 200, 120, 1);

    StartSpriteAnim(&gSprites[data[0] >> 8], 1);
    StartSpriteAnim(&gSprites[data[0] & 0xFF], 2);
    StartSpriteAnim(&gSprites[data[1] >> 8], 3);
    StartSpriteAnim(&gSprites[data[1] & 0xFF], 4);
    StartSpriteAnim(&gSprites[data[2] >> 8], 5);
    StartSpriteAnim(&gSprites[data[2] & 0xFF], 6);
    StartSpriteAnim(&gSprites[data[3] >> 8], 7);
    StartSpriteAnim(&gSprites[data[3] & 0xFF], 8);

    return spriteId;
}

void sub_81D6D20(struct Sprite *sprite)
{
    s16 *data = sprite->data;
    data[5]++;
    data[5] &= 0x1F;
    if (data[5] == 0 && sprite->pos1.x != 152)
    {
        sprite->pos1.x++;
        gSprites[sprite->data[0] >> 8].pos1.x++;
        gSprites[sprite->data[0] & 0xFF].pos1.x++;
        gSprites[data[1] >> 8].pos1.x++;
        gSprites[data[1] & 0xFF].pos1.x++;
        gSprites[data[2] >> 8].pos1.x++;
        gSprites[data[2] & 0xFF].pos1.x++;
        gSprites[data[3] >> 8].pos1.x++;
        gSprites[data[3] & 0xFF].pos1.x++;
        gSprites[data[4] >> 8].pos1.x++;
        gSprites[data[4] & 0xFF].pos1.x++;
    }

    switch (gSprites[data[2] & 0xFF].animCmdIndex)
    {
    case 0:
        sprite->pos2.y = 0;
        gSprites[data[0] >> 8].pos2.y = 0;
        gSprites[data[0] & 0xFF].pos2.y = 0;
        gSprites[data[1] >> 8].pos2.y = 0;
        gSprites[data[1] & 0xFF].pos2.y = 0;
        gSprites[data[2] >> 8].pos2.y = 0;
        gSprites[data[2] & 0xFF].pos2.y = 0;
        gSprites[data[3] >> 8].pos2.y = 0;
        gSprites[data[3] & 0xFF].pos2.y = 0;
        gSprites[data[4] >> 8].pos2.y = 0;
        gSprites[data[4] & 0xFF].pos2.y = 0;
        break;
    case 1:
    case 3:
        sprite->pos2.y = 1;
        gSprites[data[0] >> 8].pos2.y = 1;
        gSprites[data[0] & 0xFF].pos2.y = 1;
        gSprites[data[1] >> 8].pos2.y = 1;
        gSprites[data[1] & 0xFF].pos2.y = 1;
        gSprites[data[2] >> 8].pos2.y = 1;
        gSprites[data[2] & 0xFF].pos2.y = 1;
        gSprites[data[3] >> 8].pos2.y = 1;
        gSprites[data[3] & 0xFF].pos2.y = 1;
        gSprites[data[4] >> 8].pos2.y = 1;
        gSprites[data[4] & 0xFF].pos2.y = 1;
        break;
    case 2:
        sprite->pos2.y = 2;
        gSprites[data[0] >> 8].pos2.y = 2;
        gSprites[data[0] & 0xFF].pos2.y = 2;
        gSprites[data[1] >> 8].pos2.y = 2;
        gSprites[data[1] & 0xFF].pos2.y = 2;
        gSprites[data[2] >> 8].pos2.y = 2;
        gSprites[data[4] & 0xFF].pos2.y = 2;
        break;
    }
}

void sub_81D6FD0(void)
{
    sub_81D67EC();
    ScanlineEffect_InitHBlankDmaTransfer();
}

void sub_81D6FE0(void)
{
    ResetVramOamAndBgCntRegs();
    ResetBgsAndClearDma3BusyFlags(0);
    InitBgsFromTemplates(0, gUnknown_0862A888, ARRAY_COUNT(gUnknown_0862A888));
    SetBgTilemapBuffer(0, sRayScene->tilemapBuffers[0]);
    SetBgTilemapBuffer(1, sRayScene->tilemapBuffers[1]);
    SetBgTilemapBuffer(2, sRayScene->tilemapBuffers[2]);
    ResetAllBgsCoordinates();
    schedule_bg_copy_tilemap_to_vram(0);
    schedule_bg_copy_tilemap_to_vram(1);
    schedule_bg_copy_tilemap_to_vram(2);
    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
    ShowBg(0);
    ShowBg(1);
    ShowBg(2);
    SetGpuReg(REG_OFFSET_BLDCNT, 0);
}

void sub_81D706C(void)
{
    reset_temp_tile_data_buffers();
    decompress_and_copy_tile_data_to_vram(0, gRaySceneClouds_Gfx, 0, 0, 0);
    while (free_temp_tile_data_buffers_if_possible());

    LZDecompressWram(gRaySceneClouds2_Tilemap, sRayScene->tilemapBuffers[0]);
    LZDecompressWram(gRaySceneClouds1_Tilemap, sRayScene->tilemapBuffers[1]);
    LZDecompressWram(gRaySceneClouds3_Tilemap, sRayScene->tilemapBuffers[2]);
    LoadCompressedPalette(gRaySceneClouds_Pal, 0, 0x40);
    LoadCompressedObjectPic(&gUnknown_0862A8C4);
    LoadCompressedObjectPic(&gUnknown_0862A8F8);
    LoadCompressedObjectPic(&gUnknown_0862A924);
    LoadCompressedObjectPic(&gUnknown_0862A9D4);
    LoadCompressedObjectPic(&gUnknown_0862AA14);
    LoadCompressedObjectPic(&gUnknown_0862AA34);
    LoadCompressedObjectPalette(&gUnknown_0862A8CC);
    LoadCompressedObjectPalette(&gUnknown_0862A9DC);
}

void sub_81D7134(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    ScanlineEffect_Clear();
    sub_81D6FE0();
    sub_81D706C();
    CpuFastFill16(0, gScanlineEffectRegBuffers, sizeof(gScanlineEffectRegBuffers));
    ScanlineEffect_SetParams(gUnknown_0862A87C);
    data[0] = 0;
    data[1] = CreateTask(sub_81D7228, 0);
    if (sRayScene->animId == RAY_ANIM_DUO_FIGHT_PRE)
    {
        data[2] = sub_81D6984();
        data[3] = sub_81D6B7C();
        gTasks[taskId].func = sub_81D691C;
    }
    else
    {
        data[2] = sub_81D7664();
        data[3] = sub_81D78BC();
        gTasks[taskId].func = sub_81D736C;
        StopMapMusic();
    }

    BlendPalettes(-1, 0x10, 0);
    BeginNormalPaletteFade(-1, 0, 0x10, 0, 0);
    SetVBlankCallback(sub_81D6FD0);
    PlaySE(SE_T_OOAME);
}

void sub_81D7228(u8 taskId)
{
    s16 i;
    u16 *data = gTasks[taskId].data;

    for (i = 24; i < 92; i++)
    {
        if (i <= 47)
        {
            gScanlineEffectRegBuffers[0][i] = data[0] >> 8;
            gScanlineEffectRegBuffers[1][i] = data[0] >> 8;
        }
        else if (i <= 63)
        {
            gScanlineEffectRegBuffers[0][i] = data[1] >> 8;
            gScanlineEffectRegBuffers[1][i] = data[1] >> 8;
        }
        else if (i <= 75)
        {
            gScanlineEffectRegBuffers[0][i] = data[2] >> 8;
            gScanlineEffectRegBuffers[1][i] = data[2] >> 8;
        }
        else if (i <= 83)
        {
            gScanlineEffectRegBuffers[0][i] = data[3] >> 8;
            gScanlineEffectRegBuffers[1][i] = data[3] >> 8;
        }
        else if (i <= 87)
        {
            gScanlineEffectRegBuffers[0][i] = data[4] >> 8;
            gScanlineEffectRegBuffers[1][i] = data[4] >> 8;
        }
        else
        {
            gScanlineEffectRegBuffers[0][i] = data[5] >> 8;
            gScanlineEffectRegBuffers[1][i] = data[5] >> 8;
        }
    }

    if (sRayScene->animId == RAY_ANIM_DUO_FIGHT_PRE)
    {
        data[0] += 448;
        data[1] += 384;
        data[2] += 320;
        data[3] += 256;
        data[4] += 192;
        data[5] += 128;
    }
    else
    {
        data[0] += 768;
        data[1] += 640;
        data[2] += 512;
        data[3] += 384;
        data[4] += 256;
        data[5] += 128;
    }
}

void sub_81D736C(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    sub_81D750C();
    if (!gPaletteFade.active)
    {
        s16 counter = data[0];
        if (counter == 32 || counter == 112)
        {
            sub_81D7438();
        }
        else if (counter == 216)
        {
            sub_81D7480();
        }
        else if (counter == 220)
        {
            sub_81D74C8();
        }
        else
        {
            switch (counter)
            {
            case 412:
                sub_81D75B4(taskId, 2);
                return;
            case 380:
                SetGpuReg(REG_OFFSET_BLDCNT, 0x244);
                gTasks[data[1]].func = sub_81D752C;
                gTasks[data[1]].data[0] = 0;
                gTasks[data[1]].data[2] = data[2];
                gTasks[data[1]].data[3] = data[3];
                ScanlineEffect_Stop();
                break;
            }
        }

        data[0]++;
    }
}

void sub_81D7438(void)
{
    PlaySE(SE_T_KAMI);
    sub_80A2C44(0x7FFF, 0, 0x10, 0, -1, 0, 0);
    sub_80A2C44(0xFFFF0000, 0, 0x10, 0, 0, 0, 1);
}

void sub_81D7480(void)
{
    PlaySE(SE_T_KAMI);
    sub_80A2C44(0x7FFF, 0, 0x10, 0x10, -1, 0, 0);
    sub_80A2C44(0xFFFF0000, 0, 0x10, 0x10, 0, 0, 1);
}

void sub_81D74C8(void)
{
    sub_80A2C44(0x7FFF, 4, 0x10, 0, -1, 0, 0);
    sub_80A2C44(0xFFFF0000, 4, 0x10, 0, 0, 0, 1);
}

void sub_81D750C(void)
{
    ChangeBgX(2, 0x400, 1);
    ChangeBgY(2, 0x800, 2);
}

void sub_81D752C(u8 taskId)
{
    u16 bgY;
    s16 *data = gTasks[taskId].data;
    sub_81D7860(&gSprites[data[2]]);
    sub_81D7D14(&gSprites[data[3]]);

    bgY = GetBgY(1);
    if (GetBgY(1) == 0 || bgY > 0x8000)
        ChangeBgY(1, 0x400, 2);

    if (data[0] != 16)
    {
        data[0]++;
        SetGpuReg(REG_OFFSET_BLDALPHA, (data[0] << 8) | (16 - data[0]));
    }
}

void sub_81D75B4(u8 taskId, s8 palDelay)
{
    PlaySE(SE_T_OOAME_E);
    BeginNormalPaletteFade(-1, palDelay, 0, 0x10, 0);
    gTasks[taskId].func = sub_81D7600;
}

void sub_81D7600(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    sub_81D750C();
    if (!gPaletteFade.active)
    {
        DestroyTask(data[1]);
        ChangeBgY(1, 0, 0);
        SetVBlankCallback(NULL);
        ScanlineEffect_Stop();
        ResetSpriteData();
        FreeAllSpritePalettes();
        data[0] = 0;
        gTasks[taskId].func = Task_SetNextAnim;
    }
}

u8 sub_81D7664(void)
{
    u8 spriteId;
    s16 *data;

    spriteId = CreateSprite(&gUnknown_0862A8D4, 98, 72, 3);
    gSprites[spriteId].callback = sub_81D7700;
    data = gSprites[spriteId].data;
    data[0] = CreateSprite(&gUnknown_0862A8D4, 66, 104, 3);
    data[1] = CreateSprite(&gUnknown_0862A900, 85, 101, 0);
    data[2] = CreateSprite(&gUnknown_0862A92C, 119, 114, 1);
    StartSpriteAnim(&gSprites[data[0]], 1);
    return spriteId;
}

void sub_81D7700(struct Sprite *sprite)
{
    s16 *data = sprite->data;
    data[5]++;
    data[5] &= 0xF;
    if (!(data[5] & 7) && sprite->pos1.x != 72)
    {
        sprite->pos1.x--;
        gSprites[sprite->data[0]].pos1.x--;
        gSprites[data[1]].pos1.x--;
        gSprites[data[2]].pos1.x--;
    }

    switch (sprite->animCmdIndex)
    {
    case 0:
        gSprites[data[1]].pos2.x = 0;
        gSprites[data[1]].pos2.y = 0;
        gSprites[data[2]].pos2.x = 0;
        gSprites[data[2]].pos2.y = 0;
        break;
    case 1:
    case 3:
        gSprites[data[1]].pos2.x = -1;
        gSprites[data[1]].pos2.y = 0;
        gSprites[data[2]].pos2.x = -1;
        gSprites[data[2]].pos2.y = 0;
        break;
    case 2:
        gSprites[data[1]].pos2.x = -1;
        gSprites[data[1]].pos2.y = 1;
        gSprites[data[2]].pos2.x = -2;
        gSprites[data[2]].pos2.y = 1;
        break;
    }
}

void sub_81D7860(struct Sprite *sprite)
{
    s16 *data = sprite->data;
    if (sprite->pos1.y <= 160)
    {
        sprite->pos1.y += 8;
        gSprites[sprite->data[0]].pos1.y += 8;
        gSprites[data[1]].pos1.y += 8;
        gSprites[data[2]].pos1.y += 8;
    }
}

u8 sub_81D78BC(void)
{
    u8 spriteId;
    s16 *data;

    spriteId = CreateSprite(&gUnknown_0862A9E4, 126, 96, 1);
    gSprites[spriteId].callback = sub_81D7A60;
    data = gSprites[spriteId].data;

    data[0] = CreateSprite(&gUnknown_0862A9E4, 158, 96, 1) << 8;
    data[0] |= CreateSprite(&gUnknown_0862A9E4, 126, 112, 1);
    data[1] = CreateSprite(&gUnknown_0862A9E4, 158, 112, 1) << 8;
    data[1] |= CreateSprite(&gUnknown_0862A9E4, 126, 128, 1);
    data[2] = CreateSprite(&gUnknown_0862A9E4, 158, 128, 1) << 8;
    data[2] |= CreateSprite(&gUnknown_0862A9E4, 94, 128, 2);
    data[3] = CreateSprite(&gUnknown_0862A9E4, 126, 128, 2) << 8;
    data[3] |= CreateSprite(&gUnknown_0862A9E4, 174, 128, 0);
    data[4] = CreateSprite(&gUnknown_0862AA1C, 198, 132, 0) << 8;
    data[4] |= CreateSprite(&gUnknown_0862AA3C, 190, 120, 1);

    StartSpriteAnim(&gSprites[data[0] >> 8], 1);
    StartSpriteAnim(&gSprites[data[0] & 0xFF], 2);
    StartSpriteAnim(&gSprites[data[1] >> 8], 3);
    StartSpriteAnim(&gSprites[data[1] & 0xFF], 4);
    StartSpriteAnim(&gSprites[data[2] >> 8], 5);
    StartSpriteAnim(&gSprites[data[2] & 0xFF], 6);
    StartSpriteAnim(&gSprites[data[3] >> 8], 7);
    StartSpriteAnim(&gSprites[data[3] & 0xFF], 8);

    return spriteId;
}

void sub_81D7A60(struct Sprite *sprite)
{
    s16 *data = sprite->data;
    data[5]++;
    data[5] &= 0xF;
    if (!(data[5] & 7) && sprite->pos1.x != 152)
    {
        sprite->pos1.x++;
        gSprites[sprite->data[0] >> 8].pos1.x++;
        gSprites[sprite->data[0] & 0xFF].pos1.x++;
        gSprites[data[1] >> 8].pos1.x++;
        gSprites[data[1] & 0xFF].pos1.x++;
        gSprites[data[2] >> 8].pos1.x++;
        gSprites[data[2] & 0xFF].pos1.x++;
        gSprites[data[3] >> 8].pos1.x++;
        gSprites[data[3] & 0xFF].pos1.x++;
        gSprites[data[4] >> 8].pos1.x++;
        gSprites[data[4] & 0xFF].pos1.x++;
    }

    switch (gSprites[data[2] & 0xFF].animCmdIndex)
    {
    case 0:
        sprite->pos2.y = 0;
        gSprites[data[0] >> 8].pos2.y = 0;
        gSprites[data[0] & 0xFF].pos2.y = 0;
        gSprites[data[1] >> 8].pos2.y = 0;
        gSprites[data[1] & 0xFF].pos2.y = 0;
        gSprites[data[2] >> 8].pos2.y = 0;
        gSprites[data[2] & 0xFF].pos2.y = 0;
        gSprites[data[3] >> 8].pos2.y = 0;
        gSprites[data[3] & 0xFF].pos2.y = 0;
        gSprites[data[4] >> 8].pos2.y = 0;
        gSprites[data[4] & 0xFF].pos2.y = 0;
        break;
    case 1:
    case 3:
        sprite->pos2.y = 1;
        gSprites[data[0] >> 8].pos2.y = 1;
        gSprites[data[0] & 0xFF].pos2.y = 1;
        gSprites[data[1] >> 8].pos2.y = 1;
        gSprites[data[1] & 0xFF].pos2.y = 1;
        gSprites[data[2] >> 8].pos2.y = 1;
        gSprites[data[2] & 0xFF].pos2.y = 1;
        gSprites[data[3] >> 8].pos2.y = 1;
        gSprites[data[3] & 0xFF].pos2.y = 1;
        gSprites[data[4] >> 8].pos2.y = 1;
        gSprites[data[4] & 0xFF].pos2.y = 1;
        break;
    case 2:
        sprite->pos2.y = 2;
        gSprites[data[0] >> 8].pos2.y = 2;
        gSprites[data[0] & 0xFF].pos2.y = 2;
        gSprites[data[1] >> 8].pos2.y = 2;
        gSprites[data[1] & 0xFF].pos2.y = 2;
        gSprites[data[2] >> 8].pos2.y = 2;
        gSprites[data[4] & 0xFF].pos2.y = 2;
        break;
    }
}

void sub_81D7D14(struct Sprite *sprite)
{
    s16 *data = sprite->data;
    if (sprite->pos1.y <= 160)
    {
        sprite->pos1.y += 8;
        gSprites[sprite->data[0] >> 8].pos1.y += 8;
        gSprites[sprite->data[0] & 0xFF].pos1.y += 8;
        gSprites[data[1] >> 8].pos1.y += 8;
        gSprites[data[1] & 0xFF].pos1.y += 8;
        gSprites[data[2] >> 8].pos1.y += 8;
        gSprites[data[2] & 0xFF].pos1.y += 8;
        gSprites[data[3] >> 8].pos1.y += 8;
        gSprites[data[3] & 0xFF].pos1.y += 8;
        gSprites[data[4] >> 8].pos1.y += 8;
        gSprites[data[4] & 0xFF].pos1.y += 8;
    }
}

void sub_81D7E10(void)
{
    ResetVramOamAndBgCntRegs();
    ResetBgsAndClearDma3BusyFlags(0);
    InitBgsFromTemplates(1, gUnknown_0862AA54, ARRAY_COUNT(gUnknown_0862AA54));
    SetBgTilemapBuffer(0, sRayScene->tilemapBuffers[0]);
    SetBgTilemapBuffer(1, sRayScene->tilemapBuffers[1]);
    SetBgTilemapBuffer(2, sRayScene->tilemapBuffers[2]);
    ResetAllBgsCoordinates();
    schedule_bg_copy_tilemap_to_vram(0);
    schedule_bg_copy_tilemap_to_vram(1);
    schedule_bg_copy_tilemap_to_vram(2);
    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
    ShowBg(0);
    ShowBg(1);
    ShowBg(2);
    SetGpuReg(REG_OFFSET_BLDCNT, 0);
}

void sub_81D7E9C(void)
{
    reset_temp_tile_data_buffers();
    decompress_and_copy_tile_data_to_vram(0, gRaySceneClouds_Gfx, 0, 0, 0);
    decompress_and_copy_tile_data_to_vram(1, gRaySceneOvercast_Gfx, 0, 0, 0);
    decompress_and_copy_tile_data_to_vram(2, gRaySceneRayquaza_Gfx, 0, 0, 0);
    while (free_temp_tile_data_buffers_if_possible());

    LZDecompressWram(gRaySceneClouds2_Tilemap, sRayScene->tilemapBuffers[0]);
    LZDecompressWram(gRaySceneOvercast_Tilemap, sRayScene->tilemapBuffers[1]);
    LZDecompressWram(gRaySceneRayquaza_Tilemap, sRayScene->tilemapBuffers[2]);
    LoadCompressedPalette(gRaySceneRayquaza_Pal, 0, 0x40);
    LoadCompressedObjectPic(&gUnknown_0862AA90);
    LoadCompressedObjectPalette(&gUnknown_0862AA98);
}

void sub_81D7F4C(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    PlayNewMapMusic(MUS_REKKUU_KOURIN);
    sub_81D7E10();
    sub_81D7E9C();
    SetGpuReg(REG_OFFSET_BLDCNT, 0x250);
    SetGpuReg(REG_OFFSET_BLDALPHA, 0x808);
    BlendPalettes(-1, 0x10, 0);
    SetVBlankCallback(sub_81D67EC);
    CreateTask(sub_81D81A4, 0);
    data[0] = 0;
    data[1] = 0;
    gTasks[taskId].func = sub_81D7FC0;
}

void sub_81D7FC0(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    switch (data[0])
    {
    case 0:
        if (data[1] == 8)
        {
            BeginNormalPaletteFade(-1, 0, 0x10, 0, 0);
            data[2] = 0;
            data[3] = 30;
            data[4] = 0;
            data[5] = 7;
            data[1] = 0;
            data[0]++;
        }
        else
        {
            data[1]++;
        }
        break;
    case 1:
        data[2] += data[3];
        data[4] += data[5];
        if (data[3] > 3)
            data[3] -= 3;
        if (data[5] != 0)
            data[5]--;
        if (data[2] > 255)
        {
            data[2] = 256;
            data[3] = 0;
            data[6] = 12;
            data[7] = -1;
            data[1] = 0;
            data[0]++;
        }
        SetBgAffine(2, 0x7800, 0x1800, 0x78, data[4] + 32, data[2], data[2], 0);
        break;
    case 2:
        data[1]++;
        SetBgAffine(2, 0x7800, 0x1800, 0x78, data[4] + 32 + (data[6] >> 2), data[2], data[2], 0);
        data[6] += data[7];
        if (data[6] == 12 || data[6] == -12)
        {
            data[7] *= -1;
            if (data[1] > 295)
            {
                data[0]++;
                BeginNormalPaletteFade(-1, 6, 0, 0x10, 0);
            }
        }
        break;
    case 3:
        data[2] += 16;
        SetBgAffine(2, 0x7800, 0x1800, 0x78, data[4] + 32, data[2], data[2], 0);
        sub_81D8164(taskId);
        break;
    }
}

void sub_81D8164(u8 taskId)
{
    if (!gPaletteFade.active)
    {
        SetVBlankCallback(NULL);
        ResetSpriteData();
        FreeAllSpritePalettes();
        gTasks[taskId].func = Task_SetNextAnim;
    }
}

void sub_81D81A4(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    if ((data[1] & 3) == 0)
    {
        u8 spriteId = CreateSprite(&gUnknown_0862AAA0,
                                   (gUnknown_0862AAB8[data[0]][0] * 4) + 120,
                                   (gUnknown_0862AAB8[data[0]][1] * 4) + 80,
                                   0);
        gSprites[spriteId].data[0] = (s8)(data[0]);
        gSprites[spriteId].oam.objMode = 1;
        gSprites[spriteId].oam.affineMode = 3;
        gSprites[spriteId].oam.priority = 2;
        InitSpriteAffineAnim(&gSprites[spriteId]);
        if (data[0] == 9)
        {
            DestroyTask(taskId);
            return;
        }
        else
        {
            data[0]++;
        }
    }

    data[1]++;
}

void sub_81D8260(struct Sprite *sprite)
{
    if (sprite->data[1] == 0)
    {
        sprite->pos2.x = 0;
        sprite->pos2.y = 0;
    }
    else
    {
        sprite->pos2.x += gUnknown_0862AAB8[sprite->data[0]][0];
        sprite->pos2.y += gUnknown_0862AAB8[sprite->data[0]][1];
    }

    sprite->data[1]++;
    sprite->data[1] &= 0xF;
}

void sub_81D82B0(void)
{
    ResetVramOamAndBgCntRegs();
    ResetBgsAndClearDma3BusyFlags(0);
    InitBgsFromTemplates(0, gUnknown_0862AACC, ARRAY_COUNT(gUnknown_0862AACC));
    SetBgTilemapBuffer(0, sRayScene->tilemapBuffers[0]);
    SetBgTilemapBuffer(1, sRayScene->tilemapBuffers[1]);
    SetBgTilemapBuffer(2, sRayScene->tilemapBuffers[2]);
    SetBgTilemapBuffer(3, sRayScene->tilemapBuffers[3]);
    ResetAllBgsCoordinates();
    schedule_bg_copy_tilemap_to_vram(0);
    schedule_bg_copy_tilemap_to_vram(1);
    schedule_bg_copy_tilemap_to_vram(2);
    schedule_bg_copy_tilemap_to_vram(3);
    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
    ShowBg(0);
    ShowBg(1);
    ShowBg(2);
    ShowBg(3);
    SetGpuReg(REG_OFFSET_BLDCNT, 0);
}

void sub_81D8358(void)
{
    reset_temp_tile_data_buffers();
    decompress_and_copy_tile_data_to_vram(0, gRaySceneRayquazaLight_Gfx, 0, 0, 0);
    decompress_and_copy_tile_data_to_vram(1, gRaySceneOvercast2_Gfx, 0, 0, 0);
    while (free_temp_tile_data_buffers_if_possible());

    LZDecompressWram(gRaySceneRayquazaLight_Tilemap, sRayScene->tilemapBuffers[0]);
    LZDecompressWram(gRaySceneOvercast2_Tilemap, sRayScene->tilemapBuffers[3]);
    CpuFastFill16(0, sRayScene->tilemapBuffers[2], 0x800);
    CpuFastCopy(sRayScene->tilemapBuffers[3], sRayScene->tilemapBuffers[1], 0x800);
    CpuFastFill16(0, &sRayScene->tilemapBuffers[1][0x100], 0x340);

    LoadCompressedPalette(gRaySceneOvercast2_Pal, 0, 0x40);
    gPlttBufferUnfaded[0] = RGB_WHITE;
    gPlttBufferFaded[0] = RGB_WHITE;
    LoadCompressedObjectPic(&gUnknown_0862AAFC);
    LoadCompressedObjectPic(&gUnknown_0862AB04);
    LoadCompressedObjectPalette(&gUnknown_0862AB0C);
}

void sub_81D844C(void)
{
    u16 VCOUNT = GetGpuReg(REG_OFFSET_VCOUNT);
    if (VCOUNT >= 24 && VCOUNT <= 135 && VCOUNT - 24 <= sRayScene->field_2008)
        REG_BLDALPHA = 0xD08;
    else
        REG_BLDALPHA = 0x1000;

    if (VCOUNT == 0)
    {
        if (sRayScene->field_2008 <= 0x1FFF)
        {
            if (sRayScene->field_2008 <= 39)
                sRayScene->field_2008 += 4;
            else if (sRayScene->field_2008 <= 79)
                sRayScene->field_2008 += 2;
            else
                sRayScene->field_2008 += 1;
        }

        sRayScene->field_200A++;
    }
}

void sub_81D84EC(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    sub_81D82B0();
    sub_81D8358();
    SetGpuRegBits(REG_OFFSET_BLDCNT, 0x1E41);
    SetGpuReg(REG_OFFSET_BLDALPHA, 0x1000);
    BlendPalettes(-1, 0x10, 0);
    SetVBlankCallback(sub_81D67EC);
    sRayScene->field_2008 = 0;
    sRayScene->field_200A = 0;
    data[0] = 0;
    data[1] = 0;
    data[2] = 0;
    data[3] = 0;
    data[4] = 0x1000;
    gTasks[taskId].func = sub_81D857C;
}

void sub_81D857C(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    switch (data[0])
    {
    case 0:
        if (data[1] == 8)
        {
            BeginNormalPaletteFade(-1, 0, 0x10, 0, 0);
            data[1] = 0;
            data[0]++;
        }
        else
        {
            data[1]++;
        }
        break;
    case 1:
        if (!gPaletteFade.active)
        {
            if (data[1] == 10)
            {
                data[1] = 0;
                data[0]++;
                SetHBlankCallback(sub_81D844C);
                EnableInterrupts(INTR_FLAG_HBLANK | INTR_FLAG_VBLANK);
            }
            else
            {
                data[1]++;
            }
        }
        break;
    case 2:
        if (data[1] == 80)
        {
            data[1] = 0;
            data[0]++;
            sub_81D86CC();
        }
        else
        {
            data[1]++;
        }
        break;
    case 3:
        if (++data[1] == 368)
        {
            data[1] = 0;
            data[0]++;
        }
        break;
    case 4:
        BeginNormalPaletteFade(-1, 0, 0, 0x10, 0);
        gTasks[taskId].func = sub_81D8684;
        break;
    }
}

void sub_81D8684(u8 taskId)
{
    if (!gPaletteFade.active)
    {
        SetVBlankCallback(NULL);
        SetHBlankCallback(NULL);
        ResetSpriteData();
        FreeAllSpritePalettes();
        gTasks[taskId].func = Task_SetNextAnim;
    }
}

u8 sub_81D86CC(void)
{
    u8 spriteId = CreateSprite(&gUnknown_0862AB14, 160, 0, 0);
    s16 *data = gSprites[spriteId].data;
    data[0] = CreateSprite(&gUnknown_0862AB2C, 184, -48, 0);
    gSprites[spriteId].callback = sub_81D874C;
    gSprites[spriteId].oam.priority = 3;
    gSprites[data[0]].oam.priority = 3;
    return spriteId;
}

void sub_81D874C(struct Sprite *sprite)
{
    s16 *data = sprite->data;
    s16 counter = data[2];
    if (counter == 0)
    {
        data[3] = 12;
        data[4] = 8;
    }
    else if (counter == 256)
    {
        data[3] = 9;
        data[4] = 7;
    }
    else if (counter == 268)
    {
        data[3] = 8;
        data[4] = 6;
    }
    else if (counter == 280)
    {
        data[3] = 7;
        data[4] = 5;
    }
    else if (counter == 292)
    {
        data[3] = 6;
        data[4] = 4;
    }
    else if (counter == 304)
    {
        data[3] = 5;
        data[4] = 3;
    }
    else if (counter == 320)
    {
        data[3] = 4;
        data[4] = 2;
    }

    if (data[2] % data[3] == 0)
    {
        sprite->pos2.x--;
        gSprites[data[0]].pos2.x--;
    }
    if (data[2] % data[4] == 0)
    {
        sprite->pos2.y++;
        gSprites[data[0]].pos2.y++;
    }

    data[2]++;
}

void sub_81D8828(void)
{
    ResetVramOamAndBgCntRegs();
    ResetBgsAndClearDma3BusyFlags(0);
    InitBgsFromTemplates(0, gUnknown_0862AB44, ARRAY_COUNT(gUnknown_0862AB44));
    SetBgTilemapBuffer(0, sRayScene->tilemapBuffers[0]);
    SetBgTilemapBuffer(1, sRayScene->tilemapBuffers[1]);
    SetBgTilemapBuffer(2, sRayScene->tilemapBuffers[2]);
    SetBgTilemapBuffer(3, sRayScene->tilemapBuffers[3]);
    ResetAllBgsCoordinates();
    schedule_bg_copy_tilemap_to_vram(0);
    schedule_bg_copy_tilemap_to_vram(1);
    schedule_bg_copy_tilemap_to_vram(2);
    schedule_bg_copy_tilemap_to_vram(3);
    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP | DISPCNT_WIN0_ON);
    ShowBg(0);
    ShowBg(1);
    ShowBg(2);
    ShowBg(3);
    SetGpuReg(REG_OFFSET_BLDCNT, 0);
}

void sub_81D88D0(void)
{
    reset_temp_tile_data_buffers();
    decompress_and_copy_tile_data_to_vram(1, gRaySceneRayquazaChase_Gfx, 0, 0, 0);
    decompress_and_copy_tile_data_to_vram(2, gRaySceneChaseStreaks_Gfx, 0, 0, 0);
    decompress_and_copy_tile_data_to_vram(3, gRaySceneChaseBg_Gfx, 0, 0, 0);
    while (free_temp_tile_data_buffers_if_possible());

    LZDecompressWram(gRayChaseRayquazaChase2_Tilemap, sRayScene->tilemapBuffers[0]);
    LZDecompressWram(gRayChaseRayquazaChase_Tilemap, sRayScene->tilemapBuffers[1]);
    LZDecompressWram(gRaySceneChaseStreaks_Tilemap, sRayScene->tilemapBuffers[2]);
    LZDecompressWram(gRaySceneChaseBg_Tilemap, sRayScene->tilemapBuffers[3]);
    LoadCompressedPalette(gRaySceneChase_Pal, 0, 0x80);
}

void sub_81D8980(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    sub_81D8828();
    sub_81D88D0();
    sub_81D68C8();
    BlendPalettes(-1, 0x10, 0);
    SetVBlankCallback(sub_81D67EC);
    data[0] = 0;
    data[1] = 0;
    data[2] = CreateTask(sub_81D8AD8, 0);
    gTasks[taskId].func = sub_81D89E0;
}

void sub_81D89E0(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    sub_81D8BB4();
    if ((data[3] & 7) == 0 && data[0] <= 1 && data[1] <= 89)
        PlaySE(SE_OP_BASYU);

    data[3]++;
    switch (data[0])
    {
    case 0:
        if (data[1] == 8)
        {
            BeginNormalPaletteFade(-1, 0, 0x10, 0, 0);
            data[1] = 0;
            data[0]++;
        }
        else
        {
            data[1]++;
        }
        break;
    case 1:
        if (data[1] == 127)
        {
            data[1] = 0;
            data[0]++;
            gTasks[data[2]].func = sub_81D8B2C;
        }
        else
        {
            data[1]++;
        }
        break;
    case 2:
        if (data[1] == 12)
        {
            data[1] = 0;
            data[0]++;
        }
        else
        {
            data[1]++;
        }
        break;
    case 3:
        BeginNormalPaletteFade(-1, 0, 0, 0x10, 0);
        gTasks[taskId].func = sub_81D8BEC;
        break;
    }
}

void sub_81D8AD8(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    if ((data[15] & 3) == 0)
    {
        ChangeBgX(1, (Random() % 8 - 4) << 8, 0);
        ChangeBgY(1, (Random() % 8 - 4) << 8, 0);
    }

    data[15]++;
}

void sub_81D8B2C(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    if (data[0] == 0)
    {
        ChangeBgX(1, 0, 0);
        ChangeBgY(1, 0, 0);
        data[0]++;
        data[1] = 10;
        data[2] = -1;
    }
    else if (data[0] == 1)
    {
        ChangeBgX(1, data[1] << 8, 2);
        ChangeBgY(1, data[1] << 8, 1);
        data[1] += data[2];
        if (data[1] == -10)
            data[2] *= -1;
    }
}

void sub_81D8BB4(void)
{
    ChangeBgX(2, 0x400, 2);
    ChangeBgY(2, 0x400, 1);
    ChangeBgX(0, 0x800, 2);
    ChangeBgY(0, 0x800, 1);
}

void sub_81D8BEC(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    sub_81D8BB4();
    if (!gPaletteFade.active)
    {
        SetVBlankCallback(NULL);
        sub_81D6904();
        DestroyTask(data[2]);
        gTasks[taskId].func = Task_SetNextAnim;
    }
}