#include "global.h"
#include "decompress.h"
#include "event_object_movement.h"
#include "field_camera.h"
#include "field_control_avatar.h"
#include "field_effect.h"
#include "field_effect_helpers.h"
#include "field_player_avatar.h"
#include "field_screen_effect.h"
#include "field_weather.h"
#include "fieldmap.h"
#include "fldeff.h"
#include "gpu_regs.h"
#include "main.h"
#include "mirage_tower.h"
#include "menu.h"
#include "metatile_behavior.h"
#include "overworld.h"
#include "palette.h"
#include "party_menu.h"
#include "pokemon.h"
#include "script.h"
#include "sound.h"
#include "sprite.h"
#include "task.h"
#include "trainer_pokemon_sprites.h"
#include "trig.h"
#include "util.h"
#include "constants/field_effects.h"
#include "constants/event_object_movement.h"
#include "constants/metatile_behaviors.h"
#include "constants/rgb.h"
#include "constants/songs.h"

#define subsprite_table(ptr) {.subsprites = ptr, .subspriteCount = (sizeof ptr) / (sizeof(struct Subsprite))}

EWRAM_DATA s32 gFieldEffectArguments[8] = {0};

// Static type declarations

static void Task_PokecenterHeal(u8 taskId);
static void PokecenterHealEffect_0(struct Task *);
static void PokecenterHealEffect_1(struct Task *);
static void PokecenterHealEffect_2(struct Task *);
static void PokecenterHealEffect_3(struct Task *);

static void Task_HallOfFameRecord(u8 taskId);
static void HallOfFameRecordEffect_0(struct Task *);
static void HallOfFameRecordEffect_1(struct Task *);
static void HallOfFameRecordEffect_2(struct Task *);
static void HallOfFameRecordEffect_3(struct Task *);

static u8 CreatePokeballGlowSprite(s16, s16, s16, u16);
static void SpriteCB_PokeballGlowEffect(struct Sprite *);
static void PokeballGlowEffect_0(struct Sprite *);
static void PokeballGlowEffect_1(struct Sprite *);
static void PokeballGlowEffect_2(struct Sprite *);
static void PokeballGlowEffect_3(struct Sprite *);
static void PokeballGlowEffect_4(struct Sprite *);
static void PokeballGlowEffect_5(struct Sprite *);
static void PokeballGlowEffect_6(struct Sprite *);
static void PokeballGlowEffect_7(struct Sprite *);

static u8 PokecenterHealEffectHelper(s16, s16);
static void HallOfFameRecordEffectHelper(s16, s16, s16, u8);

static void FieldCallback_Fly(void);
static void task00_8084310(u8);
static void mapldr_08084390(void);
static void c3_080843F8(u8);

static void Task_FallWarpFieldEffect(u8);
static bool8 FallWarpEffect_1(struct Task *);
static bool8 FallWarpEffect_2(struct Task *);
static bool8 FallWarpEffect_3(struct Task *);
static bool8 FallWarpEffect_4(struct Task *);
static bool8 FallWarpEffect_5(struct Task *);
static bool8 FallWarpEffect_6(struct Task *);
static bool8 FallWarpEffect_7(struct Task *);

static void Task_EscalatorWarpFieldEffect(u8);
static bool8 EscalatorWarpEffect_1(struct Task *);
static bool8 EscalatorWarpEffect_2(struct Task *);
static bool8 EscalatorWarpEffect_3(struct Task *);
static bool8 EscalatorWarpEffect_4(struct Task *);
static bool8 EscalatorWarpEffect_5(struct Task *);
static bool8 EscalatorWarpEffect_6(struct Task *);

static void sub_80B6FB8(struct Task *);
static void sub_80B7004(struct Task *);
static void sub_80B7050(void);
static void sub_80B7060(void);
static void sub_80B70B4(void);
static void sub_80B70DC(u8);

static bool8 sub_80B7114(struct Task *);
static bool8 sub_80B7190(struct Task *);
static bool8 sub_80B71D0(struct Task *);
static bool8 sub_80B7230(struct Task *);
static bool8 sub_80B7270(struct Task *);
static bool8 sub_80B72D0(struct Task *);
static bool8 sub_80B72F4(struct Task *);

static void sub_80B7384(u8);
static bool8 sub_80B73D0(struct Task *, struct ObjectEvent *);
static bool8 waterfall_1_do_anim_probably(struct Task *, struct ObjectEvent *);
static bool8 waterfall_2_wait_anim_finish_probably(struct Task *, struct ObjectEvent *);
static bool8 sub_80B7450(struct Task *, struct ObjectEvent *);
static bool8 sub_80B7478(struct Task *, struct ObjectEvent *);

static void Task_Dive(u8);
static bool8 dive_1_lock(struct Task *);
static bool8 dive_2_unknown(struct Task *);
static bool8 dive_3_unknown(struct Task *);

static void Task_LavaridgeGymB1FWarp(u8);
static bool8 LavaridgeGymB1FWarpEffect_1(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGymB1FWarpEffect_2(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGymB1FWarpEffect_3(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGymB1FWarpEffect_4(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGymB1FWarpEffect_5(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGymB1FWarpEffect_6(struct Task *, struct ObjectEvent *, struct Sprite *);

static void FieldCB_LavaridgeGymB1FWarpExit(void);
static void Task_LavaridgeGymB1FWarpExit(u8);
static bool8 LavaridgeGymB1FWarpExitEffect_1(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGymB1FWarpExitEffect_2(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGymB1FWarpExitEffect_3(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGymB1FWarpExitEffect_4(struct Task *, struct ObjectEvent *, struct Sprite *);

static void Task_LavaridgeGym1FWarp(u8);
static bool8 LavaridgeGym1FWarpEffect_1(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGym1FWarpEffect_2(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGym1FWarpEffect_3(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGym1FWarpEffect_4(struct Task *, struct ObjectEvent *, struct Sprite *);
static bool8 LavaridgeGym1FWarpEffect_5(struct Task *, struct ObjectEvent *, struct Sprite *);

static void DoEscapeRopeFieldEffect(u8);
static void EscapeRopeFieldEffect_Step0(struct Task *);
static void EscapeRopeFieldEffect_Step1(struct Task *);

static void mapldr_080859D4(void);
static void sub_80B7E94(u8);

static void sub_80B7EC4(struct Task *);
static void sub_80B7EE8(struct Task *);

static void ExecuteTeleportFieldEffectTask(u8);
static void TeleportFieldEffectTask1(struct Task*);
static void TeleportFieldEffectTask2(struct Task*);
static void TeleportFieldEffectTask3(struct Task*);
static void TeleportFieldEffectTask4(struct Task*);

static void mapldr_08085D88(void);
static void sub_80B8250(u8);

static void sub_80B8280(struct Task *);
static void sub_80B830C(struct Task *);
static void sub_80B8410(struct Task *);

static void sub_80B8554(u8);
static void sub_80B8584(struct Task *);
static void sub_80B85F8(struct Task *);
static void sub_80B8660(struct Task *);
static void sub_80B86EC(struct Task *);
static void sub_80B871C(struct Task *);
static void sub_80B8770(struct Task *);
static void overworld_bg_setup_2(struct Task *);

static void sub_80B880C(void);
static void sub_80B8874(u16);

static void sub_80B88B4(u8);
static void sub_80B88E4(struct Task *);
static void sub_80B8920(struct Task *);
static void sub_80B898C(struct Task *);
static void sub_80B89DC(struct Task *);
static void sub_80B8A0C(struct Task *);
static void sub_80B8A44(struct Task *);
static void sub_80B8A64(struct Task *);

static void sub_80B8AE0(void);
static void sub_80B8B28(struct Task *);
static bool8 sub_80B8B38(struct Task *);
static bool8 sub_80B8BF0(struct Task *);

static u8 sub_80B8C60(u32, u32, u32);
static void sub_80B8CC0(struct Sprite *);
static void sub_80B8D04(struct Sprite *);
static void sub_80B8D20(struct Sprite *);

static void sub_80B8D84(u8);
static void sub_80B8DB4(struct Task *);
static void sub_80B8E14(struct Task *);
static void sub_80B8E60(struct Task *);
static void sub_80B8EA8(struct Task *);
static void sub_80B8F24(struct Task *);

static void sub_80B9128(struct Sprite *);

static void sub_80B91D4(u8);
static void sub_80B9204(struct Task *);
static void sub_80B925C(struct Task *);
static void sub_80B92A0(struct Task *);
static void sub_80B92F8(struct Task *);
static void sub_80B933C(struct Task *);
static void sub_80B9390(struct Task *);
static void sub_80B9418(struct Task *);
static void sub_80B9474(struct Task *);
static void sub_80B9494(struct Task *);

static u8 sub_80B94C4(void);
static u8 sub_80B9508(u8);
static void sub_80B9524(u8);
static void sub_80B9560(u8, u8);
static void sub_80B957C(struct Sprite *);
static void sub_80B963C(struct Sprite *);

static void sub_80B97D4(u8);
static void sub_80B9804(struct Task *);
static void sub_80B98B8(struct Task *);
static void sub_80B9924(struct Task *);
static void sub_80B9978(struct Task *);
static void sub_80B99F0(struct Task *);
static void sub_80B9A28(struct Task *);
static void sub_80B9A60(struct Task *);

static void sub_80B9BE8(u8 taskId);
static void sub_80B9DB8(struct Sprite* sprite);
static void Fldeff_MoveDeoxysRock_Step(u8 taskId);

// Static RAM declarations

static u8 sActiveList[32];

// External declarations
extern struct CompressedSpritePalette gMonPaletteTable[]; // GF made a mistake and did not extern it as const.
extern const struct CompressedSpritePalette gTrainerFrontPicPaletteTable[];
extern const struct CompressedSpriteSheet gTrainerFrontPicTable[];
extern u8 *gFieldEffectScriptPointers[];
extern const struct SpriteTemplate *const gFieldEffectObjectTemplatePointers[];

// .rodata
const u32 gNewGameBirchPic[] = INCBIN_U32("graphics/birch_speech/birch.4bpp");
const u32 gUnusedBirchBeauty[] = INCBIN_U32("graphics/unused/intro_birch_beauty.4bpp");
const u16 gNewGameBirchPalette[16] = INCBIN_U16("graphics/birch_speech/birch.gbapal");
const u32 gSpriteImage_855A970[] = INCBIN_U32("graphics/misc/pokeball_glow.4bpp");
const u16 gFieldEffectObjectPalette4[16] = INCBIN_U16("graphics/field_effects/palettes/04.gbapal");
const u32 gSpriteImage_855A9B0[] = INCBIN_U32("graphics/misc/pokecenter_monitor/0.4bpp");
const u32 gSpriteImage_855AA70[] = INCBIN_U32("graphics/misc/pokecenter_monitor/1.4bpp");
const u32 gSpriteImage_855AB30[] = INCBIN_U32("graphics/misc/big_hof_monitor.4bpp");
const u8 gSpriteImage_855AD30[] = INCBIN_U8("graphics/misc/small_hof_monitor.4bpp");
const u16 gFieldEffectObjectPalette5[16] = INCBIN_U16("graphics/field_effects/palettes/05.gbapal");

// Graphics for the lights streaking past your Pokemon when it uses a field move.
const u32 gFieldMoveStreaksTiles[] = INCBIN_U32("graphics/misc/field_move_streaks.4bpp");
const u16 gFieldMoveStreaksPalette[16] = INCBIN_U16("graphics/misc/field_move_streaks.gbapal");
const u16 gFieldMoveStreaksTilemap[] = INCBIN_U16("graphics/misc/field_move_streaks_map.bin");

// The following light streaks effect is used when the map is dark (e.g. a cave).
const u32 gDarknessFieldMoveStreaksTiles[] = INCBIN_U32("graphics/misc/darkness_field_move_streaks.4bpp");
const u16 gDarknessFieldMoveStreaksPalette[16] = INCBIN_U16("graphics/misc/darkness_field_move_streaks.gbapal");
const u16 gDarknessFieldMoveStreaksTilemap[] = INCBIN_U16("graphics/misc/darkness_field_move_streaks_map.bin");

const u16 gUnknown_0855B610[16] = INCBIN_U16("graphics/misc/spotlight.gbapal");
const u8 gUnknown_0855B630[] = INCBIN_U8("graphics/misc/spotlight.4bpp");
const u8 gUnknown_0855C170[] = INCBIN_U8("graphics/unknown/unknown_55C170.4bpp");
const u8 gUnknown_0855C190[] = INCBIN_U8("graphics/unknown/unknown_55C190.4bpp");
const u8 gUnknown_0855C1B0[] = INCBIN_U8("graphics/unknown/unknown_55C1B0.4bpp");
const u8 gUnknown_0855C1D0[] = INCBIN_U8("graphics/unknown/unknown_55C1D0.4bpp");

bool8 (*const gFieldEffectScriptFuncs[])(u8 **, u32 *) =
{
    FieldEffectCmd_loadtiles,
    FieldEffectCmd_loadfadedpal,
    FieldEffectCmd_loadpal,
    FieldEffectCmd_callnative,
    FieldEffectCmd_end,
    FieldEffectCmd_loadgfx_callnative,
    FieldEffectCmd_loadtiles_callnative,
    FieldEffectCmd_loadfadedpal_callnative,
};

const struct OamData gNewGameBirchOamAttributes =
{
    .y = 0,
    .affineMode = ST_OAM_AFFINE_OFF,
    .objMode = ST_OAM_OBJ_NORMAL,
    .bpp = ST_OAM_4BPP,
    .shape = SPRITE_SHAPE(64x64),
    .x = 0,
    .size = SPRITE_SIZE(64x64),
    .tileNum = 0,
    .priority = 0,
    .paletteNum = 0,
};

const struct OamData gOamData_855C218 =
{
    .y = 0,
    .affineMode = ST_OAM_AFFINE_OFF,
    .objMode = ST_OAM_OBJ_NORMAL,
    .bpp = ST_OAM_4BPP,
    .shape = SPRITE_SHAPE(8x8),
    .x = 0,
    .size = SPRITE_SIZE(8x8),
    .tileNum = 0,
    .priority = 0,
    .paletteNum = 0,
};

const struct OamData gOamData_855C220 =
{
    .y = 0,
    .affineMode = ST_OAM_AFFINE_OFF,
    .objMode = ST_OAM_OBJ_NORMAL,
    .bpp = ST_OAM_4BPP,
    .shape = SPRITE_SHAPE(16x16),
    .x = 0,
    .size = SPRITE_SIZE(16x16),
    .tileNum = 0,
    .priority = 0,
    .paletteNum = 0,
};

const struct SpriteFrameImage gNewGameBirchPicTable[] =
{
    obj_frame_tiles(gNewGameBirchPic)
};

const struct SpritePalette gNewGameBirchObjectPaletteInfo =
{
    .data = gNewGameBirchPalette,
    .tag = 0x1006
};

const union AnimCmd gNewGameBirchImageAnim[] =
{
    ANIMCMD_FRAME(.imageValue = 0, .duration = 1),
    ANIMCMD_END
};

const union AnimCmd *const gNewGameBirchImageAnimTable[] =
{
    gNewGameBirchImageAnim
};

const struct SpriteTemplate gNewGameBirchObjectTemplate =
{
    .tileTag = 0xFFFF,
    .paletteTag = 4102,
    .oam = &gNewGameBirchOamAttributes,
    .anims = gNewGameBirchImageAnimTable,
    .images = gNewGameBirchPicTable,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCallbackDummy
};

const struct SpritePalette gFieldEffectObjectPaletteInfo4 =
{
    .data = gFieldEffectObjectPalette4,
    .tag = 0x1007
};

const struct SpritePalette gFieldEffectObjectPaletteInfo5 =
{
    .data = gFieldEffectObjectPalette5,
    .tag = 0x1010
};

const struct OamData gOamData_855C26C =
{
    .y = 0,
    .affineMode = ST_OAM_AFFINE_OFF,
    .objMode = ST_OAM_OBJ_NORMAL,
    .bpp = ST_OAM_4BPP,
    .shape = SPRITE_SHAPE(32x16),
    .x = 0,
    .size = SPRITE_SIZE(32x16),
    .tileNum = 0,
    .priority = 0,
    .paletteNum = 0,
};

const struct SpriteFrameImage gSpriteImageTable_855C274[] =
{
    obj_frame_tiles(gSpriteImage_855A970)
};

const struct SpriteFrameImage gSpriteImageTable_855C27C[] =
{
    obj_frame_tiles(gSpriteImage_855A9B0),
    obj_frame_tiles(gSpriteImage_855AA70)
};

const struct SpriteFrameImage gSpriteImageTable_855C28C[] =
{
    obj_frame_tiles(gSpriteImage_855AB30)
};

const struct SpriteFrameImage gSpriteImageTable_855C294[] =
{
    {.data = gSpriteImage_855AD30, .size = 0x200} // the macro breaks down here
};

const struct Subsprite gSubspriteTable_855C29C[] =
{
    {
        .x = -12, 
        .y =  -8, 
        .shape = SPRITE_SHAPE(16x8), 
        .size = SPRITE_SIZE(16x8),
        .tileOffset = 0, 
        .priority = 2
    },
    {
        .x =  4, 
        .y = -8,
        .shape = SPRITE_SHAPE(8x8), 
        .size = SPRITE_SIZE(8x8), 
        .tileOffset = 2, 
        .priority = 2 
    },
    {
        .x = -12, 
        .y =   0, 
        .shape = SPRITE_SHAPE(16x8), 
        .size = SPRITE_SIZE(16x8),
        .tileOffset = 3, 
        .priority = 2
    },
    {
        .x = 4, 
        .y = 0, 
        .shape = SPRITE_SHAPE(8x8), 
        .size = SPRITE_SIZE(8x8), 
        .tileOffset = 5, 
        .priority = 2
    }
};

const struct SubspriteTable gUnknown_0855C2AC = subsprite_table(gSubspriteTable_855C29C);

const struct Subsprite gSubspriteTable_855C2B4[] =
{
    {
        .x = -32, 
        .y = -8, 
        .shape = SPRITE_SHAPE(32x8), 
        .size = SPRITE_SIZE(32x8),
        .tileOffset = 0, 
        .priority = 2
    },
    {
        .x =  0, 
        .y = -8, 
        .shape = SPRITE_SHAPE(32x8), 
        .size = SPRITE_SIZE(32x8),
        .tileOffset = 4, 
        .priority = 2
    },
    {
        .x = -32, 
        .y =  0, 
        .shape = SPRITE_SHAPE(32x8), 
        .size = SPRITE_SIZE(32x8),
        .tileOffset = 8, 
        .priority = 2
    },
    {
        .x =   0, 
        .y =  0, 
        .shape = SPRITE_SHAPE(32x8), 
        .size = SPRITE_SIZE(32x8),
        .tileOffset = 12, 
        .priority = 2
    }
};

const struct SubspriteTable gUnknown_0855C2C4 = subsprite_table(gSubspriteTable_855C2B4);

const union AnimCmd gSpriteAnim_855C2CC[] =
{
    ANIMCMD_FRAME(.imageValue = 0, .duration = 1),
    ANIMCMD_JUMP(0)
};

const union AnimCmd gSpriteAnim_855C2D4[] =
{
    ANIMCMD_FRAME(.imageValue = 0, .duration = 16),
    ANIMCMD_FRAME(.imageValue = 1, .duration = 16),
    ANIMCMD_FRAME(.imageValue = 0, .duration = 16),
    ANIMCMD_FRAME(.imageValue = 1, .duration = 16),
    ANIMCMD_FRAME(.imageValue = 0, .duration = 16),
    ANIMCMD_FRAME(.imageValue = 1, .duration = 16),
    ANIMCMD_FRAME(.imageValue = 0, .duration = 16),
    ANIMCMD_FRAME(.imageValue = 1, .duration = 16),
    ANIMCMD_END
};

const union AnimCmd *const gSpriteAnimTable_855C2F8[] =
{
    gSpriteAnim_855C2CC,
    gSpriteAnim_855C2D4
};

const union AnimCmd *const gSpriteAnimTable_855C300[] =
{
    gSpriteAnim_855C2CC
};

const struct SpriteTemplate gSpriteTemplate_855C304 =
{
    .tileTag = 0xFFFF,
    .paletteTag = 4103,
    .oam = &gOamData_855C218,
    .anims = gSpriteAnimTable_855C2F8,
    .images = gSpriteImageTable_855C274,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCB_PokeballGlow
};

const struct SpriteTemplate gSpriteTemplate_855C31C =
{
    .tileTag = 0xFFFF,
    .paletteTag = 4100,
    .oam = &gOamData_855C220,
    .anims = gSpriteAnimTable_855C2F8,
    .images = gSpriteImageTable_855C27C,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCB_PokecenterMonitor
};

const struct SpriteTemplate gSpriteTemplate_855C334 =
{
    .tileTag = 0xFFFF,
    .paletteTag = 4112,
    .oam = &gOamData_855C220,
    .anims = gSpriteAnimTable_855C300,
    .images = gSpriteImageTable_855C28C,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCB_HallOfFameMonitor
};

const struct SpriteTemplate gSpriteTemplate_855C34C =
{
    .tileTag = 0xFFFF,
    .paletteTag = 4112,
    .oam = &gOamData_855C26C,
    .anims = gSpriteAnimTable_855C300,
    .images = gSpriteImageTable_855C294,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = SpriteCB_HallOfFameMonitor
};

void (*const gUnknown_0855C364[])(struct Task *) =
{
    PokecenterHealEffect_0,
    PokecenterHealEffect_1,
    PokecenterHealEffect_2,
    PokecenterHealEffect_3
};

void (*const gUnknown_0855C374[])(struct Task *) =
{
    HallOfFameRecordEffect_0,
    HallOfFameRecordEffect_1,
    HallOfFameRecordEffect_2,
    HallOfFameRecordEffect_3
};

void (*const gUnknown_0855C384[])(struct Sprite *) =
{
    PokeballGlowEffect_0,
    PokeballGlowEffect_1,
    PokeballGlowEffect_2,
    PokeballGlowEffect_3,
    PokeballGlowEffect_4,
    PokeballGlowEffect_5,
    PokeballGlowEffect_6,
    PokeballGlowEffect_7
};

const struct Coords16 gUnknown_0855C3A4[] =
{
    {.x = 0, .y = 0},
    {.x = 6, .y = 0},
    {.x = 0, .y = 4},
    {.x = 6, .y = 4},
    {.x = 0, .y = 8},
    {.x = 6, .y = 8}
};

const u8 gUnknown_0855C3BC[] = {16, 12, 8, 0};
const u8 gUnknown_0855C3C0[] = {16, 12, 8, 0};
const u8 gUnknown_0855C3C4[] = { 0,  0, 0, 0};

bool8 (*const sFallWarpFieldEffectFuncs[])(struct Task *) =
{
    FallWarpEffect_1,
    FallWarpEffect_2,
    FallWarpEffect_3,
    FallWarpEffect_4,
    FallWarpEffect_5,
    FallWarpEffect_6,
    FallWarpEffect_7,
};

bool8 (*const sEscalatorWarpFieldEffectFuncs[])(struct Task *) =
{
    EscalatorWarpEffect_1,
    EscalatorWarpEffect_2,
    EscalatorWarpEffect_3,
    EscalatorWarpEffect_4,
    EscalatorWarpEffect_5,
    EscalatorWarpEffect_6,
};

bool8 (*const gUnknown_0855C3FC[])(struct Task *) =
{
    sub_80B7114,
    sub_80B7190,
    sub_80B71D0,
    sub_80B7230,
    sub_80B7270,
    sub_80B72D0,
    sub_80B72F4,
};

bool8 (*const gUnknown_0855C418[])(struct Task *, struct ObjectEvent *) =
{
    sub_80B73D0,
    waterfall_1_do_anim_probably,
    waterfall_2_wait_anim_finish_probably,
    sub_80B7450,
    sub_80B7478,
};

bool8 (*const gUnknown_0855C42C[])(struct Task *) =
{
    dive_1_lock,
    dive_2_unknown,
    dive_3_unknown,
};

bool8 (*const sLavaridgeGymB1FWarpEffectFuncs[])(struct Task *, struct ObjectEvent *, struct Sprite *) =
{
    LavaridgeGymB1FWarpEffect_1,
    LavaridgeGymB1FWarpEffect_2,
    LavaridgeGymB1FWarpEffect_3,
    LavaridgeGymB1FWarpEffect_4,
    LavaridgeGymB1FWarpEffect_5,
    LavaridgeGymB1FWarpEffect_6,
};

bool8 (*const sLavaridgeGymB1FWarpExitEffectFuncs[])(struct Task *, struct ObjectEvent *, struct Sprite *) =
{
    LavaridgeGymB1FWarpExitEffect_1,
    LavaridgeGymB1FWarpExitEffect_2,
    LavaridgeGymB1FWarpExitEffect_3,
    LavaridgeGymB1FWarpExitEffect_4,
};

bool8 (*const sLavaridgeGym1FWarpEffectFuncs[])(struct Task *, struct ObjectEvent *, struct Sprite *) =
{
    LavaridgeGym1FWarpEffect_1,
    LavaridgeGym1FWarpEffect_2,
    LavaridgeGym1FWarpEffect_3,
    LavaridgeGym1FWarpEffect_4,
    LavaridgeGym1FWarpEffect_5,
};

void (*const gEscapeRopeFieldEffectFuncs[])(struct Task *) =
{
    EscapeRopeFieldEffect_Step0,
    EscapeRopeFieldEffect_Step1,
};

// .text

u32 FieldEffectStart(u8 id)
{
    u8 *script;
    u32 val;

    FieldEffectActiveListAdd(id);

    script = gFieldEffectScriptPointers[id];

    while (gFieldEffectScriptFuncs[*script](&script, &val))
        ;

    return val;
}

bool8 FieldEffectCmd_loadtiles(u8 **script, u32 *val)
{
    (*script)++;
    FieldEffectScript_LoadTiles(script);
    return TRUE;
}

bool8 FieldEffectCmd_loadfadedpal(u8 **script, u32 *val)
{
    (*script)++;
    FieldEffectScript_LoadFadedPalette(script);
    return TRUE;
}

bool8 FieldEffectCmd_loadpal(u8 **script, u32 *val)
{
    (*script)++;
    FieldEffectScript_LoadPalette(script);
    return TRUE;
}

bool8 FieldEffectCmd_callnative(u8 **script, u32 *val)
{
    (*script)++;
    FieldEffectScript_CallNative(script, val);
    return TRUE;
}

bool8 FieldEffectCmd_end(u8 **script, u32 *val)
{
    return FALSE;
}

bool8 FieldEffectCmd_loadgfx_callnative(u8 **script, u32 *val)
{
    (*script)++;
    FieldEffectScript_LoadTiles(script);
    FieldEffectScript_LoadFadedPalette(script);
    FieldEffectScript_CallNative(script, val);
    return TRUE;
}

bool8 FieldEffectCmd_loadtiles_callnative(u8 **script, u32 *val)
{
    (*script)++;
    FieldEffectScript_LoadTiles(script);
    FieldEffectScript_CallNative(script, val);
    return TRUE;
}

bool8 FieldEffectCmd_loadfadedpal_callnative(u8 **script, u32 *val)
{
    (*script)++;
    FieldEffectScript_LoadFadedPalette(script);
    FieldEffectScript_CallNative(script, val);
    return TRUE;
}

u32 FieldEffectScript_ReadWord(u8 **script)
{
    return (*script)[0]
         + ((*script)[1] << 8)
         + ((*script)[2] << 16)
         + ((*script)[3] << 24);
}

void FieldEffectScript_LoadTiles(u8 **script)
{
    struct SpriteSheet *sheet = (struct SpriteSheet *)FieldEffectScript_ReadWord(script);
    if (GetSpriteTileStartByTag(sheet->tag) == 0xFFFF)
        LoadSpriteSheet(sheet);
    (*script) += 4;
}

void FieldEffectScript_LoadFadedPalette(u8 **script)
{
    struct SpritePalette *palette = (struct SpritePalette *)FieldEffectScript_ReadWord(script);
    LoadSpritePalette(palette);
    UpdateSpritePaletteWithWeather(IndexOfSpritePaletteTag(palette->tag));
    (*script) += 4;
}

void FieldEffectScript_LoadPalette(u8 **script)
{
    struct SpritePalette *palette = (struct SpritePalette *)FieldEffectScript_ReadWord(script);
    LoadSpritePalette(palette);
    (*script) += 4;
}

void FieldEffectScript_CallNative(u8 **script, u32 *val)
{
    u32 (*func)(void) = (u32 (*)(void))FieldEffectScript_ReadWord(script);
    *val = func();
    (*script) += 4;
}

void FieldEffectFreeGraphicsResources(struct Sprite *sprite)
{
    u16 sheetTileStart = sprite->sheetTileStart;
    u32 paletteNum = sprite->oam.paletteNum;
    DestroySprite(sprite);
    FieldEffectFreeTilesIfUnused(sheetTileStart);
    FieldEffectFreePaletteIfUnused(paletteNum);
}

void FieldEffectStop(struct Sprite *sprite, u8 id)
{
    FieldEffectFreeGraphicsResources(sprite);
    FieldEffectActiveListRemove(id);
}

void FieldEffectFreeTilesIfUnused(u16 tileStart)
{
    u8 i;
    u16 tag = GetSpriteTileTagByTileStart(tileStart);

    if (tag != 0xFFFF)
    {
        for (i = 0; i < MAX_SPRITES; i++)
            if (gSprites[i].inUse && gSprites[i].usingSheet && tileStart == gSprites[i].sheetTileStart)
                return;
        FreeSpriteTilesByTag(tag);
    }
}

void FieldEffectFreePaletteIfUnused(u8 paletteNum)
{
    u8 i;
    u16 tag = GetSpritePaletteTagByPaletteNum(paletteNum);

    if (tag != 0xFFFF)
    {
        for (i = 0; i < MAX_SPRITES; i++)
            if (gSprites[i].inUse && gSprites[i].oam.paletteNum == paletteNum)
                return;
        FreeSpritePaletteByTag(tag);
    }
}

void FieldEffectActiveListClear(void)
{
    u8 i;
    for (i = 0; i < ARRAY_COUNT(sActiveList); i++)
        sActiveList[i] = 0xFF;
}

void FieldEffectActiveListAdd(u8 id)
{
    u8 i;
    for (i = 0; i < ARRAY_COUNT(sActiveList); i++)
    {
        if (sActiveList[i] == 0xFF)
        {
            sActiveList[i] = id;
            return;
        }
    }
}

void FieldEffectActiveListRemove(u8 id)
{
    u8 i;
    for (i = 0; i < ARRAY_COUNT(sActiveList); i++)
    {
        if (sActiveList[i] == id)
        {
            sActiveList[i] = 0xFF;
            return;
        }
    }
}

bool8 FieldEffectActiveListContains(u8 id)
{
    u8 i;
    for (i = 0; i < ARRAY_COUNT(sActiveList); i++)
        if (sActiveList[i] == id)
            return TRUE;
    return FALSE;
}

u8 CreateTrainerSprite(u8 trainerSpriteID, s16 x, s16 y, u8 subpriority, u8 *buffer)
{
    struct SpriteTemplate spriteTemplate;
    LoadCompressedSpritePaletteOverrideBuffer(&gTrainerFrontPicPaletteTable[trainerSpriteID], buffer);
    LoadCompressedSpriteSheetOverrideBuffer(&gTrainerFrontPicTable[trainerSpriteID], buffer);
    spriteTemplate.tileTag = gTrainerFrontPicTable[trainerSpriteID].tag;
    spriteTemplate.paletteTag = gTrainerFrontPicPaletteTable[trainerSpriteID].tag;
    spriteTemplate.oam = &gNewGameBirchOamAttributes;
    spriteTemplate.anims = gDummySpriteAnimTable;
    spriteTemplate.images = NULL;
    spriteTemplate.affineAnims = gDummySpriteAffineAnimTable;
    spriteTemplate.callback = SpriteCallbackDummy;
    return CreateSprite(&spriteTemplate, x, y, subpriority);
}

void LoadTrainerGfx_TrainerCard(u8 gender, u16 palOffset, u8 *dest)
{
    LZDecompressVram(gTrainerFrontPicTable[gender].data, dest);
    LoadCompressedPalette(gTrainerFrontPicPaletteTable[gender].data, palOffset, 0x20);
}

u8 AddNewGameBirchObject(s16 x, s16 y, u8 subpriority)
{
    LoadSpritePalette(&gNewGameBirchObjectPaletteInfo);
    return CreateSprite(&gNewGameBirchObjectTemplate, x, y, subpriority);
}

u8 CreateMonSprite_PicBox(u16 species, s16 x, s16 y, u8 subpriority)
{
    s32 spriteId = CreateMonPicSprite_HandleDeoxys(species, 0, 0x8000, 1, x, y, 0, gMonPaletteTable[species].tag);
    PreservePaletteInWeather(IndexOfSpritePaletteTag(gMonPaletteTable[species].tag) + 0x10);
    if (spriteId == 0xFFFF)
        return MAX_SPRITES;
    else
        return spriteId;
}

u8 CreateMonSprite_FieldMove(u16 species, u32 d, u32 g, s16 x, s16 y, u8 subpriority)
{
    const struct CompressedSpritePalette *spritePalette = GetMonSpritePalStructFromOtIdPersonality(species, d, g);
    u16 spriteId = CreateMonPicSprite_HandleDeoxys(species, d, g, 1, x, y, 0, spritePalette->tag);
    PreservePaletteInWeather(IndexOfSpritePaletteTag(spritePalette->tag) + 0x10);
    if (spriteId == 0xFFFF)
        return MAX_SPRITES;
    else
        return spriteId;
}

void FreeResourcesAndDestroySprite(struct Sprite *sprite, u8 spriteId)
{
    ResetPreservedPalettesInWeather();
    if (sprite->oam.affineMode != ST_OAM_AFFINE_OFF)
    {
        FreeOamMatrix(sprite->oam.matrixNum);
    }
    FreeAndDestroyMonPicSprite(spriteId);
}

// r, g, b are between 0 and 16
void MultiplyInvertedPaletteRGBComponents(u16 i, u8 r, u8 g, u8 b)
{
    int curRed;
    int curGreen;
    int curBlue;
    u16 outPal;

    outPal = gPlttBufferUnfaded[i];
    curRed = outPal & 0x1f;
    curGreen = (outPal & (0x1f << 5)) >> 5;
    curBlue = (outPal & (0x1f << 10)) >> 10;
    curRed += (((0x1f - curRed) * r) >> 4);
    curGreen += (((0x1f - curGreen) * g) >> 4);
    curBlue += (((0x1f - curBlue) * b) >> 4);
    outPal = curRed;
    outPal |= curGreen << 5;
    outPal |= curBlue << 10;
    gPlttBufferFaded[i] = outPal;
}

// r, g, b are between 0 and 16
void MultiplyPaletteRGBComponents(u16 i, u8 r, u8 g, u8 b)
{
    int curRed;
    int curGreen;
    int curBlue;
    u16 outPal;

    outPal = gPlttBufferUnfaded[i];
    curRed = outPal & 0x1f;
    curGreen = (outPal & (0x1f << 5)) >> 5;
    curBlue = (outPal & (0x1f << 10)) >> 10;
    curRed -= ((curRed * r) >> 4);
    curGreen -= ((curGreen * g) >> 4);
    curBlue -= ((curBlue * b) >> 4);
    outPal = curRed;
    outPal |= curGreen << 5;
    outPal |= curBlue << 10;
    gPlttBufferFaded[i] = outPal;
}

bool8 FldEff_PokecenterHeal(void)
{
    u8 nPokemon;
    struct Task *task;

    nPokemon = CalculatePlayerPartyCount();
    task = &gTasks[CreateTask(Task_PokecenterHeal, 0xff)];
    task->data[1] = nPokemon;
    task->data[2] = 0x5d;
    task->data[3] = 0x24;
    task->data[4] = 0x7c;
    task->data[5] = 0x18;
    return FALSE;
}

static void Task_PokecenterHeal(u8 taskId)
{
    struct Task *task;
    task = &gTasks[taskId];
    gUnknown_0855C364[task->data[0]](task);
}

static void PokecenterHealEffect_0(struct Task *task)
{
    task->data[0]++;
    task->data[6] = CreatePokeballGlowSprite(task->data[1], task->data[2], task->data[3], 1);
    task->data[7] = PokecenterHealEffectHelper(task->data[4], task->data[5]);
}

static void PokecenterHealEffect_1(struct Task *task)
{
    if (gSprites[task->data[6]].data[0] > 1)
    {
        gSprites[task->data[7]].data[0]++;
        task->data[0]++;
    }
}

static void PokecenterHealEffect_2(struct Task *task)
{
    if (gSprites[task->data[6]].data[0] > 4)
    {
        task->data[0]++;
    }
}

static void PokecenterHealEffect_3(struct Task *task)
{
    if (gSprites[task->data[6]].data[0] > 6)
    {
        DestroySprite(&gSprites[task->data[6]]);
        FieldEffectActiveListRemove(FLDEFF_POKECENTER_HEAL);
        DestroyTask(FindTaskIdByFunc(Task_PokecenterHeal));
    }
}

bool8 FldEff_HallOfFameRecord(void)
{
    u8 nPokemon;
    struct Task *task;

    nPokemon = CalculatePlayerPartyCount();
    task = &gTasks[CreateTask(Task_HallOfFameRecord, 0xff)];
    task->data[1] = nPokemon;
    task->data[2] = 0x75;
    task->data[3] = 0x34;
    return FALSE;
}

static void Task_HallOfFameRecord(u8 taskId)
{
    struct Task *task;
    task = &gTasks[taskId];
    gUnknown_0855C374[task->data[0]](task);
}

static void HallOfFameRecordEffect_0(struct Task *task)
{
    u8 taskId;
    task->data[0]++;
    task->data[6] = CreatePokeballGlowSprite(task->data[1], task->data[2], task->data[3], 0);
    taskId = FindTaskIdByFunc(Task_HallOfFameRecord);
    HallOfFameRecordEffectHelper(taskId, 0x78, 0x18, 0);
    HallOfFameRecordEffectHelper(taskId, 0x28, 0x08, 1);
    HallOfFameRecordEffectHelper(taskId, 0x48, 0x08, 1);
    HallOfFameRecordEffectHelper(taskId, 0xa8, 0x08, 1);
    HallOfFameRecordEffectHelper(taskId, 0xc8, 0x08, 1);
}

static void HallOfFameRecordEffect_1(struct Task *task)
{
    if (gSprites[task->data[6]].data[0] > 1)
    {
        task->data[15]++; // was this ever initialized? is this ever used?
        task->data[0]++;
    }
}

static void HallOfFameRecordEffect_2(struct Task *task)
{
    if (gSprites[task->data[6]].data[0] > 4)
    {
        task->data[0]++;
    }
}

static void HallOfFameRecordEffect_3(struct Task *task)
{
    if (gSprites[task->data[6]].data[0] > 6)
    {
        DestroySprite(&gSprites[task->data[6]]);
        FieldEffectActiveListRemove(FLDEFF_HALL_OF_FAME_RECORD);
        DestroyTask(FindTaskIdByFunc(Task_HallOfFameRecord));
    }
}


static u8 CreatePokeballGlowSprite(s16 data6, s16 x, s16 y, u16 data5)
{
    u8 spriteId;
    struct Sprite *sprite;
    spriteId = CreateInvisibleSprite(SpriteCB_PokeballGlowEffect);
    sprite = &gSprites[spriteId];
    sprite->pos2.x = x;
    sprite->pos2.y = y;
    sprite->data[5] = data5;
    sprite->data[6] = data6;
    sprite->data[7] = spriteId;
    return spriteId;
}

static void SpriteCB_PokeballGlowEffect(struct Sprite *sprite)
{
    gUnknown_0855C384[sprite->data[0]](sprite);
}

static void PokeballGlowEffect_0(struct Sprite *sprite)
{
    u8 endSpriteId;
    if (sprite->data[1] == 0 || (--sprite->data[1]) == 0)
    {
        sprite->data[1] = 25;
        endSpriteId = CreateSpriteAtEnd(&gSpriteTemplate_855C304, gUnknown_0855C3A4[sprite->data[2]].x + sprite->pos2.x, gUnknown_0855C3A4[sprite->data[2]].y + sprite->pos2.y, 0);
        gSprites[endSpriteId].oam.priority = 2;
        gSprites[endSpriteId].data[0] = sprite->data[7];
        sprite->data[2]++;
        sprite->data[6]--;
        PlaySE(SE_BOWA);
    }
    if (sprite->data[6] == 0)
    {
        sprite->data[1] = 32;
        sprite->data[0]++;
    }
}

static void PokeballGlowEffect_1(struct Sprite *sprite)
{
    if ((--sprite->data[1]) == 0)
    {
        sprite->data[0]++;
        sprite->data[1] = 8;
        sprite->data[2] = 0;
        sprite->data[3] = 0;
        if (sprite->data[5])
        {
            PlayFanfare(MUS_ME_ASA);
        }
    }
}

static void PokeballGlowEffect_2(struct Sprite *sprite)
{
    u8 phase;
    if ((--sprite->data[1]) == 0)
    {
        sprite->data[1] = 8;
        sprite->data[2]++;
        sprite->data[2] &= 3;
        if (sprite->data[2] == 0)
        {
            sprite->data[3]++;
        }
    }
    phase = (sprite->data[2] + 3) & 3;
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x108, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    phase = (sprite->data[2] + 2) & 3;
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x106, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    phase = (sprite->data[2] + 1) & 3;
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x102, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    phase = sprite->data[2];
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x105, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x103, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    if (sprite->data[3] > 2)
    {
        sprite->data[0]++;
        sprite->data[1] = 8;
        sprite->data[2] = 0;
    }
}

static void PokeballGlowEffect_3(struct Sprite *sprite)
{
    u8 phase;
    if ((--sprite->data[1]) == 0)
    {
        sprite->data[1] = 8;
        sprite->data[2]++;
        sprite->data[2] &= 3;
        if (sprite->data[2] == 3)
        {
            sprite->data[0]++;
            sprite->data[1] = 30;
        }
    }
    phase = sprite->data[2];
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x108, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x106, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x102, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x105, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
    MultiplyInvertedPaletteRGBComponents((IndexOfSpritePaletteTag(0x1007) << 4) + 0x103, gUnknown_0855C3BC[phase], gUnknown_0855C3C0[phase], gUnknown_0855C3C4[phase]);
}

static void PokeballGlowEffect_4(struct Sprite *sprite)
{
    if ((--sprite->data[1]) == 0)
    {
        sprite->data[0]++;
    }
}

static void PokeballGlowEffect_5(struct Sprite *sprite)
{
    sprite->data[0]++;
}

static void PokeballGlowEffect_6(struct Sprite *sprite)
{
    if (sprite->data[5] == 0 || IsFanfareTaskInactive())
    {
        sprite->data[0]++;
    }
}

static void PokeballGlowEffect_7(struct Sprite *sprite)
{
}

void SpriteCB_PokeballGlow(struct Sprite *sprite)
{
    if (gSprites[sprite->data[0]].data[0] > 4)
    {
        FieldEffectFreeGraphicsResources(sprite);
    }
}

static u8 PokecenterHealEffectHelper(s16 x, s16 y)
{
    u8 spriteIdAtEnd;
    struct Sprite *sprite;
    spriteIdAtEnd = CreateSpriteAtEnd(&gSpriteTemplate_855C31C, x, y, 0);
    sprite = &gSprites[spriteIdAtEnd];
    sprite->oam.priority = 2;
    sprite->invisible = TRUE;
    SetSubspriteTables(sprite, &gUnknown_0855C2AC);
    return spriteIdAtEnd;
}

void SpriteCB_PokecenterMonitor(struct Sprite *sprite)
{
    if (sprite->data[0] != 0)
    {
        sprite->data[0] = 0;
        sprite->invisible = FALSE;
        StartSpriteAnim(sprite, 1);
    }
    if (sprite->animEnded)
    {
        FieldEffectFreeGraphicsResources(sprite);
    }
}

static void HallOfFameRecordEffectHelper(s16 a0, s16 a1, s16 a2, u8 a3)
{
    u8 spriteIdAtEnd;
    if (!a3)
    {
        spriteIdAtEnd = CreateSpriteAtEnd(&gSpriteTemplate_855C334, a1, a2, 0);
        SetSubspriteTables(&gSprites[spriteIdAtEnd], &gUnknown_0855C2C4);
    } else
    {
        spriteIdAtEnd = CreateSpriteAtEnd(&gSpriteTemplate_855C34C, a1, a2, 0);
    }
    gSprites[spriteIdAtEnd].invisible = TRUE;
    gSprites[spriteIdAtEnd].data[0] = a0;
}

void SpriteCB_HallOfFameMonitor(struct Sprite *sprite)
{
    if (gTasks[sprite->data[0]].data[15])
    {
        if (sprite->data[1] == 0 || (--sprite->data[1]) == 0)
        {
            sprite->data[1] = 16;
            sprite->invisible ^= 1;
        }
        sprite->data[2]++;
    }
    if (sprite->data[2] > 127)
    {
        FieldEffectFreeGraphicsResources(sprite);
    }
}


void ReturnToFieldFromFlyMapSelect(void)
{
    SetMainCallback2(CB2_ReturnToField);
    gFieldCallback = FieldCallback_Fly;
}

static void FieldCallback_Fly(void)
{
    FadeInFromBlack();
    CreateTask(task00_8084310, 0);
    ScriptContext2_Enable();
    FreezeObjectEvents();
    gFieldCallback = NULL;
}

static void task00_8084310(u8 taskId)
{
    struct Task *task;
    task = &gTasks[taskId];
    if (!task->data[0])
    {
        if (!IsWeatherNotFadingIn())
        {
            return;
        }
        gFieldEffectArguments[0] = GetCursorSelectionMonId();
        if ((int)gFieldEffectArguments[0] > 5)
        {
            gFieldEffectArguments[0] = 0;
        }
        FieldEffectStart(FLDEFF_USE_FLY);
        task->data[0]++;
    }
    if (!FieldEffectActiveListContains(FLDEFF_USE_FLY))
    {
        Overworld_ResetStateAfterFly();
        WarpIntoMap();
        SetMainCallback2(CB2_LoadMap);
        gFieldCallback = mapldr_08084390;
        DestroyTask(taskId);
    }
}

static void mapldr_08084390(void)
{
    Overworld_PlaySpecialMapMusic();
    FadeInFromBlack();
    CreateTask(c3_080843F8, 0);
    gObjectEvents[gPlayerAvatar.objectEventId].invisible = TRUE;
    if (gPlayerAvatar.flags & 0x08)
    {
        ObjectEventTurn(&gObjectEvents[gPlayerAvatar.objectEventId], DIR_WEST);
    }
    ScriptContext2_Enable();
    FreezeObjectEvents();
    gFieldCallback = NULL;
}

static void c3_080843F8(u8 taskId)
{
    struct Task *task;
    task = &gTasks[taskId];
    if (task->data[0] == 0)
    {
        if (gPaletteFade.active)
        {
            return;
        }
        FieldEffectStart(FLDEFF_FLY_IN);
        task->data[0]++;
    }
    if (!FieldEffectActiveListContains(FLDEFF_FLY_IN))
    {
        ScriptContext2_Disable();
        UnfreezeObjectEvents();
        DestroyTask(taskId);
    }
}

void FieldCB_FallWarpExit(void)
{
    Overworld_PlaySpecialMapMusic();
    WarpFadeInScreen();
    ScriptContext2_Enable();
    FreezeObjectEvents();
    CreateTask(Task_FallWarpFieldEffect, 0);
    gFieldCallback = NULL;
}

static void Task_FallWarpFieldEffect(u8 taskId)
{
    struct Task *task;
    task = &gTasks[taskId];
    while (sFallWarpFieldEffectFuncs[task->data[0]](task)); // return code signifies whether to continue blocking here
}

static bool8 FallWarpEffect_1(struct Task *task)
{
    struct ObjectEvent *playerObject;
    struct Sprite *playerSprite;
    playerObject = &gObjectEvents[gPlayerAvatar.objectEventId];
    playerSprite = &gSprites[gPlayerAvatar.spriteId];
    CameraObjectReset2();
    gObjectEvents[gPlayerAvatar.objectEventId].invisible = TRUE;
    gPlayerAvatar.preventStep = TRUE;
    ObjectEventSetHeldMovement(playerObject, GetFaceDirectionMovementAction(GetPlayerFacingDirection()));
    task->data[4] = playerSprite->subspriteMode;
    playerObject->fixedPriority = 1;
    playerSprite->oam.priority = 1;
    playerSprite->subspriteMode = SUBSPRITES_IGNORE_PRIORITY;
    task->data[0]++;
    return TRUE;
}

static bool8 FallWarpEffect_2(struct Task *task)
{
    if (IsWeatherNotFadingIn())
    {
        task->data[0]++;
    }
    return FALSE;
}

static bool8 FallWarpEffect_3(struct Task *task)
{
    struct Sprite *sprite;
    s16 centerToCornerVecY;
    sprite = &gSprites[gPlayerAvatar.spriteId];
    centerToCornerVecY = -(sprite->centerToCornerVecY << 1);
    sprite->pos2.y = -(sprite->pos1.y + sprite->centerToCornerVecY + gSpriteCoordOffsetY + centerToCornerVecY);
    task->data[1] = 1;
    task->data[2] = 0;
    gObjectEvents[gPlayerAvatar.objectEventId].invisible = FALSE;
    PlaySE(SE_RU_HYUU);
    task->data[0]++;
    return FALSE;
}

static bool8 FallWarpEffect_4(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    struct Sprite *sprite;

    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    sprite = &gSprites[gPlayerAvatar.spriteId];
    sprite->pos2.y += task->data[1];
    if (task->data[1] < 8)
    {
        task->data[2] += task->data[1];
        if (task->data[2] & 0xf)
        {
            task->data[1] <<= 1;
        }
    }
    if (task->data[3] == 0 && sprite->pos2.y >= -16)
    {
        task->data[3]++;
        objectEvent->fixedPriority = 0;
        sprite->subspriteMode = task->data[4];
        objectEvent->triggerGroundEffectsOnMove = 1;
    }
    if (sprite->pos2.y >= 0)
    {
        PlaySE(SE_W070);
        objectEvent->triggerGroundEffectsOnStop = 1;
        objectEvent->landingJump = 1;
        sprite->pos2.y = 0;
        task->data[0]++;
    }
    return FALSE;
}

static bool8 FallWarpEffect_5(struct Task *task)
{
    task->data[0]++;
    task->data[1] = 4;
    task->data[2] = 0;
    SetCameraPanningCallback(NULL);
    return TRUE;
}

static bool8 FallWarpEffect_6(struct Task *task)
{
    SetCameraPanning(0, task->data[1]);
    task->data[1] = -task->data[1];
    task->data[2]++;
    if ((task->data[2] & 3) == 0)
    {
        task->data[1] >>= 1;
    }
    if (task->data[1] == 0)
    {
        task->data[0]++;
    }
    return FALSE;
}

static bool8 FallWarpEffect_7(struct Task *task)
{
    gPlayerAvatar.preventStep = FALSE;
    ScriptContext2_Disable();
    CameraObjectReset1();
    UnfreezeObjectEvents();
    InstallCameraPanAheadCallback();
    DestroyTask(FindTaskIdByFunc(Task_FallWarpFieldEffect));
    return FALSE;
}

void StartEscalatorWarp(u8 metatileBehavior, u8 priority)
{
    u8 taskId;
    taskId = CreateTask(Task_EscalatorWarpFieldEffect, priority);
    gTasks[taskId].data[1] = 0;
    if (metatileBehavior == MB_UP_ESCALATOR)
    {
        gTasks[taskId].data[1] = 1;
    }
}

static void Task_EscalatorWarpFieldEffect(u8 taskId)
{
    struct Task *task;
    task = &gTasks[taskId];
    while (sEscalatorWarpFieldEffectFuncs[task->data[0]](task));
}

static bool8 EscalatorWarpEffect_1(struct Task *task)
{
    FreezeObjectEvents();
    CameraObjectReset2();
    sub_80E1558(task->data[1]);
    task->data[0]++;
    return FALSE;
}

static bool8 EscalatorWarpEffect_2(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (!ObjectEventIsMovementOverridden(objectEvent) || ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        ObjectEventSetHeldMovement(objectEvent, GetFaceDirectionMovementAction(GetPlayerFacingDirection()));
        task->data[0]++;
        task->data[2] = 0;
        task->data[3] = 0;
        if ((u8)task->data[1] == 0)
        {
            task->data[0] = 4;
        }
        PlaySE(SE_ESUKA);
    }
    return FALSE;
}

static bool8 EscalatorWarpEffect_3(struct Task *task)
{
    sub_80B6FB8(task);
    if (task->data[2] > 3)
    {
        sub_80B7050();
        task->data[0]++;
    }
    return FALSE;
}

static bool8 EscalatorWarpEffect_4(struct Task *task)
{
    sub_80B6FB8(task);
    sub_80B7060();
    return FALSE;
}

static bool8 EscalatorWarpEffect_5(struct Task *task)
{
    sub_80B7004(task);
    if (task->data[2] > 3)
    {
        sub_80B7050();
        task->data[0]++;
    }
    return FALSE;
}

static bool8 EscalatorWarpEffect_6(struct Task *task)
{
    sub_80B7004(task);
    sub_80B7060();
    return FALSE;
}

static void sub_80B6FB8(struct Task *task)
{
    struct Sprite *sprite;
    sprite = &gSprites[gPlayerAvatar.spriteId];
    sprite->pos2.x = Cos(0x84, task->data[2]);
    sprite->pos2.y = Sin(0x94, task->data[2]);
    task->data[3]++;
    if (task->data[3] & 1)
    {
        task->data[2]++;
    }
}

static void sub_80B7004(struct Task *task)
{
    struct Sprite *sprite;
    sprite = &gSprites[gPlayerAvatar.spriteId];
    sprite->pos2.x = Cos(0x7c, task->data[2]);
    sprite->pos2.y = Sin(0x76, task->data[2]);
    task->data[3]++;
    if (task->data[3] & 1)
    {
        task->data[2]++;
    }
}

static void sub_80B7050(void)
{
    TryFadeOutOldMapMusic();
    WarpFadeOutScreen();
}

static void sub_80B7060(void)
{
    if (!gPaletteFade.active && BGMusicStopped() == TRUE)
    {
        sub_80E1570();
        WarpIntoMap();
        gFieldCallback = sub_80B70B4;
        SetMainCallback2(CB2_LoadMap);
        DestroyTask(FindTaskIdByFunc(Task_EscalatorWarpFieldEffect));
    }
}

static void sub_80B70B4(void)
{
    Overworld_PlaySpecialMapMusic();
    WarpFadeInScreen();
    ScriptContext2_Enable();
    CreateTask(sub_80B70DC, 0);
    gFieldCallback = NULL;
}

static void sub_80B70DC(u8 taskId)
{
    struct Task *task;
    task = &gTasks[taskId];
    while (gUnknown_0855C3FC[task->data[0]](task));
}

static bool8 sub_80B7114(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    s16 x;
    s16 y;
    u8 behavior;
    CameraObjectReset2();
    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    ObjectEventSetHeldMovement(objectEvent, GetFaceDirectionMovementAction(DIR_EAST));
    PlayerGetDestCoords(&x, &y);
    behavior = MapGridGetMetatileBehaviorAt(x, y);
    task->data[0]++;
    task->data[1] = 16;
    if (behavior == 0x6b)
    {
        behavior = 1;
        task->data[0] = 3;
    } else
    {
        behavior = 0;
    }
    sub_80E1558(behavior);
    return TRUE;
}

static bool8 sub_80B7190(struct Task *task)
{
    struct Sprite *sprite;
    sprite = &gSprites[gPlayerAvatar.spriteId];
    sprite->pos2.x = Cos(0x84, task->data[1]);
    sprite->pos2.y = Sin(0x94, task->data[1]);
    task->data[0]++;
    return FALSE;
}

static bool8 sub_80B71D0(struct Task *task)
{
    struct Sprite *sprite;
    sprite = &gSprites[gPlayerAvatar.spriteId];
    sprite->pos2.x = Cos(0x84, task->data[1]);
    sprite->pos2.y = Sin(0x94, task->data[1]);
    task->data[2]++;
    if (task->data[2] & 1)
    {
        task->data[1]--;
    }
    if (task->data[1] == 0)
    {
        sprite->pos2.x = 0;
        sprite->pos2.y = 0;
        task->data[0] = 5;
    }
    return FALSE;
}

static bool8 sub_80B7230(struct Task *task)
{
    struct Sprite *sprite;
    sprite = &gSprites[gPlayerAvatar.spriteId];
    sprite->pos2.x = Cos(0x7c, task->data[1]);
    sprite->pos2.y = Sin(0x76, task->data[1]);
    task->data[0]++;
    return FALSE;
}

static bool8 sub_80B7270(struct Task *task)
{
    struct Sprite *sprite;
    sprite = &gSprites[gPlayerAvatar.spriteId];
    sprite->pos2.x = Cos(0x7c, task->data[1]);
    sprite->pos2.y = Sin(0x76, task->data[1]);
    task->data[2]++;
    if (task->data[2] & 1)
    {
        task->data[1]--;
    }
    if (task->data[1] == 0)
    {
        sprite->pos2.x = 0;
        sprite->pos2.y = 0;
        task->data[0]++;
    }
    return FALSE;
}

static bool8 sub_80B72D0(struct Task *task)
{
    if (sub_80E1584())
    {
        return FALSE;
    }
    sub_80E1570();
    task->data[0]++;
    return TRUE;
}

static bool8 sub_80B72F4(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        CameraObjectReset1();
        ScriptContext2_Disable();
        ObjectEventSetHeldMovement(objectEvent, GetWalkNormalMovementAction(DIR_EAST));
        DestroyTask(FindTaskIdByFunc(sub_80B70DC));
    }
    return FALSE;
}

bool8 FldEff_UseWaterfall(void)
{
    u8 taskId;
    taskId = CreateTask(sub_80B7384, 0xff);
    gTasks[taskId].data[1] = gFieldEffectArguments[0];
    sub_80B7384(taskId);
    return FALSE;
}

static void sub_80B7384(u8 taskId)
{
    while (gUnknown_0855C418[gTasks[taskId].data[0]](&gTasks[taskId], &gObjectEvents[gPlayerAvatar.objectEventId]));
}

static bool8 sub_80B73D0(struct Task *task, struct ObjectEvent *objectEvent)
{
    ScriptContext2_Enable();
    gPlayerAvatar.preventStep = TRUE;
    task->data[0]++;
    return FALSE;
}

static bool8 waterfall_1_do_anim_probably(struct Task *task, struct ObjectEvent *objectEvent)
{
    ScriptContext2_Enable();
    if (!ObjectEventIsMovementOverridden(objectEvent))
    {
        ObjectEventClearHeldMovementIfFinished(objectEvent);
        gFieldEffectArguments[0] = task->data[1];
        FieldEffectStart(FLDEFF_FIELD_MOVE_SHOW_MON_INIT);
        task->data[0]++;
    }
    return FALSE;
}

static bool8 waterfall_2_wait_anim_finish_probably(struct Task *task, struct ObjectEvent *objectEvent)
{
    if (FieldEffectActiveListContains(FLDEFF_FIELD_MOVE_SHOW_MON))
    {
        return FALSE;
    }
    task->data[0]++;
    return TRUE;
}

static bool8 sub_80B7450(struct Task *task, struct ObjectEvent *objectEvent)
{
    ObjectEventSetHeldMovement(objectEvent, GetWalkSlowMovementAction(DIR_NORTH));
    task->data[0]++;
    return FALSE;
}

static bool8 sub_80B7478(struct Task *task, struct ObjectEvent *objectEvent)
{
    if (!ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        return FALSE;
    }
    if (MetatileBehavior_IsWaterfall(objectEvent->currentMetatileBehavior))
    {
        task->data[0] = 3;
        return TRUE;
    }
    ScriptContext2_Disable();
    gPlayerAvatar.preventStep = FALSE;
    DestroyTask(FindTaskIdByFunc(sub_80B7384));
    FieldEffectActiveListRemove(FLDEFF_USE_WATERFALL);
    return FALSE;
}

bool8 FldEff_UseDive(void)
{
    u8 taskId;
    taskId = CreateTask(Task_Dive, 0xff);
    gTasks[taskId].data[15] = gFieldEffectArguments[0];
    gTasks[taskId].data[14] = gFieldEffectArguments[1];
    Task_Dive(taskId);
    return FALSE;
}

void Task_Dive(u8 taskId)
{
    while (gUnknown_0855C42C[gTasks[taskId].data[0]](&gTasks[taskId]));
}

static bool8 dive_1_lock(struct Task *task)
{
    gPlayerAvatar.preventStep = TRUE;
    task->data[0]++;
    return FALSE;
}

static bool8 dive_2_unknown(struct Task *task)
{
    ScriptContext2_Enable();
    gFieldEffectArguments[0] = task->data[15];
    FieldEffectStart(FLDEFF_FIELD_MOVE_SHOW_MON_INIT);
    task->data[0]++;
    return FALSE;
}

static bool8 dive_3_unknown(struct Task *task)
{
    struct MapPosition mapPosition;
    PlayerGetDestCoords(&mapPosition.x, &mapPosition.y);
    if (!FieldEffectActiveListContains(FLDEFF_FIELD_MOVE_SHOW_MON))
    {
        dive_warp(&mapPosition, gObjectEvents[gPlayerAvatar.objectEventId].currentMetatileBehavior);
        DestroyTask(FindTaskIdByFunc(Task_Dive));
        FieldEffectActiveListRemove(FLDEFF_USE_DIVE);
    }
    return FALSE;
}

void StartLavaridgeGymB1FWarp(u8 priority)
{
    CreateTask(Task_LavaridgeGymB1FWarp, priority);
}

static void Task_LavaridgeGymB1FWarp(u8 taskId)
{
    while (sLavaridgeGymB1FWarpEffectFuncs[gTasks[taskId].data[0]](&gTasks[taskId], &gObjectEvents[gPlayerAvatar.objectEventId], &gSprites[gPlayerAvatar.spriteId]));
}

static bool8 LavaridgeGymB1FWarpEffect_1(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    FreezeObjectEvents();
    CameraObjectReset2();
    SetCameraPanningCallback(NULL);
    gPlayerAvatar.preventStep = TRUE;
    objectEvent->fixedPriority = 1;
    task->data[1] = 1;
    task->data[0]++;
    return TRUE;
}

static bool8 LavaridgeGymB1FWarpEffect_2(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    SetCameraPanning(0, task->data[1]);
    task->data[1] = -task->data[1];
    task->data[2]++;
    if (task->data[2] > 7)
    {
        task->data[2] = 0;
        task->data[0]++;
    }
    return FALSE;
}

static bool8 LavaridgeGymB1FWarpEffect_3(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    sprite->pos2.y = 0;
    task->data[3] = 1;
    gFieldEffectArguments[0] = objectEvent->currentCoords.x;
    gFieldEffectArguments[1] = objectEvent->currentCoords.y;
    gFieldEffectArguments[2] = sprite->subpriority - 1;
    gFieldEffectArguments[3] = sprite->oam.priority;
    FieldEffectStart(FLDEFF_LAVARIDGE_GYM_WARP);
    PlaySE(SE_W153);
    task->data[0]++;
    return TRUE;
}

static bool8 LavaridgeGymB1FWarpEffect_4(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    s16 centerToCornerVecY;
    SetCameraPanning(0, task->data[1]);
    if (task->data[1] = -task->data[1], ++task->data[2] <= 17)
    {
        if (!(task->data[2] & 1) && (task->data[1] <= 3))
        {
            task->data[1] <<= 1;
        }
    } else if (!(task->data[2] & 4) && (task->data[1] > 0))
    {
        task->data[1] >>= 1;
    }
    if (task->data[2] > 6)
    {
        centerToCornerVecY = -(sprite->centerToCornerVecY << 1);
        if (sprite->pos2.y > -(sprite->pos1.y + sprite->centerToCornerVecY + gSpriteCoordOffsetY + centerToCornerVecY))
        {
            sprite->pos2.y -= task->data[3];
            if (task->data[3] <= 7)
            {
                task->data[3]++;
            }
        } else
        {
            task->data[4] = 1;
        }
    }
    if (task->data[5] == 0 && sprite->pos2.y < -0x10)
    {
        task->data[5]++;
        objectEvent->fixedPriority = 1;
        sprite->oam.priority = 1;
        sprite->subspriteMode = SUBSPRITES_IGNORE_PRIORITY;
    }
    if (task->data[1] == 0 && task->data[4] != 0)
    {
        task->data[0]++;
    }
    return FALSE;
}

static bool8 LavaridgeGymB1FWarpEffect_5(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    TryFadeOutOldMapMusic();
    WarpFadeOutScreen();
    task->data[0]++;
    return FALSE;
}

static bool8 LavaridgeGymB1FWarpEffect_6(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    if (!gPaletteFade.active && BGMusicStopped() == TRUE)
    {
        WarpIntoMap();
        gFieldCallback = FieldCB_LavaridgeGymB1FWarpExit;
        SetMainCallback2(CB2_LoadMap);
        DestroyTask(FindTaskIdByFunc(Task_LavaridgeGymB1FWarp));
    }
    return FALSE;
}

static void FieldCB_LavaridgeGymB1FWarpExit(void)
{
    Overworld_PlaySpecialMapMusic();
    WarpFadeInScreen();
    ScriptContext2_Enable();
    gFieldCallback = NULL;
    CreateTask(Task_LavaridgeGymB1FWarpExit, 0);
}

static void Task_LavaridgeGymB1FWarpExit(u8 taskId)
{
    while (sLavaridgeGymB1FWarpExitEffectFuncs[gTasks[taskId].data[0]](&gTasks[taskId], &gObjectEvents[gPlayerAvatar.objectEventId], &gSprites[gPlayerAvatar.spriteId]));
}

static bool8 LavaridgeGymB1FWarpExitEffect_1(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    CameraObjectReset2();
    FreezeObjectEvents();
    gPlayerAvatar.preventStep = TRUE;
    objectEvent->invisible = TRUE;
    task->data[0]++;
    return FALSE;
}

static bool8 LavaridgeGymB1FWarpExitEffect_2(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    if (IsWeatherNotFadingIn())
    {
        gFieldEffectArguments[0] = objectEvent->currentCoords.x;
        gFieldEffectArguments[1] = objectEvent->currentCoords.y;
        gFieldEffectArguments[2] = sprite->subpriority - 1;
        gFieldEffectArguments[3] = sprite->oam.priority;
        task->data[1] = FieldEffectStart(FLDEFF_POP_OUT_OF_ASH);
        task->data[0]++;
    }
    return FALSE;
}

static bool8 LavaridgeGymB1FWarpExitEffect_3(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    sprite = &gSprites[task->data[1]];
    if (sprite->animCmdIndex > 1)
    {
        task->data[0]++;
        objectEvent->invisible = FALSE;
        CameraObjectReset1();
        PlaySE(SE_W091);
        ObjectEventSetHeldMovement(objectEvent, GetJumpMovementAction(DIR_EAST));
    }
    return FALSE;
}

static bool8 LavaridgeGymB1FWarpExitEffect_4(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    if (ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        gPlayerAvatar.preventStep = FALSE;
        ScriptContext2_Disable();
        UnfreezeObjectEvents();
        DestroyTask(FindTaskIdByFunc(Task_LavaridgeGymB1FWarpExit));
    }
    return FALSE;
}

// For the ash puff effect when warping off the B1F ash tiles
u8 FldEff_LavaridgeGymWarp(void)
{
    u8 spriteId;
    sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
    spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[33], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
    gSprites[spriteId].oam.priority = gFieldEffectArguments[3];
    gSprites[spriteId].coordOffsetEnabled = 1;
    return spriteId;
}

void SpriteCB_LavaridgeGymWarp(struct Sprite *sprite)
{
    if (sprite->animEnded)
    {
        FieldEffectStop(sprite, FLDEFF_LAVARIDGE_GYM_WARP);
    }
}

void StartLavaridgeGym1FWarp(u8 priority)
{
    CreateTask(Task_LavaridgeGym1FWarp, priority);
}

static void Task_LavaridgeGym1FWarp(u8 taskId)
{
    while(sLavaridgeGym1FWarpEffectFuncs[gTasks[taskId].data[0]](&gTasks[taskId], &gObjectEvents[gPlayerAvatar.objectEventId], &gSprites[gPlayerAvatar.spriteId]));
}

static bool8 LavaridgeGym1FWarpEffect_1(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    FreezeObjectEvents();
    CameraObjectReset2();
    gPlayerAvatar.preventStep = TRUE;
    objectEvent->fixedPriority = 1;
    task->data[0]++;
    return FALSE;
}

static bool8 LavaridgeGym1FWarpEffect_2(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    if (ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        if (task->data[1] > 3)
        {
            gFieldEffectArguments[0] = objectEvent->currentCoords.x;
            gFieldEffectArguments[1] = objectEvent->currentCoords.y;
            gFieldEffectArguments[2] = sprite->subpriority - 1;
            gFieldEffectArguments[3] = sprite->oam.priority;
            task->data[1] = FieldEffectStart(FLDEFF_POP_OUT_OF_ASH);
            task->data[0]++;
        } else
        {
            task->data[1]++;
            ObjectEventSetHeldMovement(objectEvent, GetWalkInPlaceFastestMovementAction(objectEvent->facingDirection));
            PlaySE(SE_FU_ZUZUZU);
        }
    }
    return FALSE;
}

static bool8 LavaridgeGym1FWarpEffect_3(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    if (gSprites[task->data[1]].animCmdIndex == 2)
    {
        objectEvent->invisible = TRUE;
        task->data[0]++;
    }
    return FALSE;
}

static bool8 LavaridgeGym1FWarpEffect_4(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    if (!FieldEffectActiveListContains(FLDEFF_POP_OUT_OF_ASH))
    {
        TryFadeOutOldMapMusic();
        WarpFadeOutScreen();
        task->data[0]++;
    }
    return FALSE;
}

static bool8 LavaridgeGym1FWarpEffect_5(struct Task *task, struct ObjectEvent *objectEvent, struct Sprite *sprite)
{
    if (!gPaletteFade.active && BGMusicStopped() == TRUE)
    {
        WarpIntoMap();
        gFieldCallback = FieldCB_FallWarpExit;
        SetMainCallback2(CB2_LoadMap);
        DestroyTask(FindTaskIdByFunc(Task_LavaridgeGym1FWarp));
    }
    return FALSE;
}

u8 FldEff_PopOutOfAsh(void)
{
    u8 spriteId;
    sub_80930E0((s16 *)&gFieldEffectArguments[0], (s16 *)&gFieldEffectArguments[1], 8, 8);
    spriteId = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[32], gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
    gSprites[spriteId].oam.priority = gFieldEffectArguments[3];
    gSprites[spriteId].coordOffsetEnabled = 1;
    return spriteId;
}

void SpriteCB_PopOutOfAsh(struct Sprite *sprite)
{
    if (sprite->animEnded)
    {
        FieldEffectStop(sprite, FLDEFF_POP_OUT_OF_ASH);
    }
}

void StartEscapeRopeFieldEffect(void)
{
    ScriptContext2_Enable();
    FreezeObjectEvents();
    CreateTask(DoEscapeRopeFieldEffect, 0x50);
}

static void DoEscapeRopeFieldEffect(u8 taskId)
{
    gEscapeRopeFieldEffectFuncs[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void EscapeRopeFieldEffect_Step0(struct Task *task)
{
    task->data[0]++;
    task->data[14] = 64;
    task->data[15] = GetPlayerFacingDirection();
}

static void EscapeRopeFieldEffect_Step1(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    u8 spinDirections[5] =  {DIR_SOUTH, DIR_WEST, DIR_EAST, DIR_NORTH, DIR_SOUTH};
    if (task->data[14] != 0 && (--task->data[14]) == 0)
    {
        TryFadeOutOldMapMusic();
        WarpFadeOutScreen();
    }
    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (!ObjectEventIsMovementOverridden(objectEvent) || ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        if (task->data[14] == 0 && !gPaletteFade.active && BGMusicStopped() == TRUE)
        {
            SetObjectEventDirection(objectEvent, task->data[15]);
            SetWarpDestinationToEscapeWarp();
            WarpIntoMap();
            gFieldCallback = mapldr_080859D4;
            SetMainCallback2(CB2_LoadMap);
            DestroyTask(FindTaskIdByFunc(DoEscapeRopeFieldEffect));
        } else if (task->data[1] == 0 || (--task->data[1]) == 0)
        {
            ObjectEventSetHeldMovement(objectEvent, GetFaceDirectionMovementAction(spinDirections[objectEvent->facingDirection]));
            if (task->data[2] < 12)
            {
                task->data[2]++;
            }
            task->data[1] = 8 >> (task->data[2] >> 2);
        }
    }
}

void (*const gUnknown_0855C484[])(struct Task *) = {
    sub_80B7EC4,
    sub_80B7EE8
};

static void mapldr_080859D4(void)
{
    Overworld_PlaySpecialMapMusic();
    WarpFadeInScreen();
    ScriptContext2_Enable();
    FreezeObjectEvents();
    gFieldCallback = NULL;
    gObjectEvents[gPlayerAvatar.objectEventId].invisible = TRUE;
    CreateTask(sub_80B7E94, 0);
}

static void sub_80B7E94(u8 taskId)
{
    gUnknown_0855C484[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void sub_80B7EC4(struct Task *task)
{
    if (IsWeatherNotFadingIn())
    {
        task->data[0]++;
        task->data[15] = GetPlayerFacingDirection();
    }
}

static void sub_80B7EE8(struct Task *task)
{
    u8 spinDirections[5] = {1, 3, 4, 2, 1};
    struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (task->data[1] == 0 || (--task->data[1]) == 0)
    {
        if (ObjectEventIsMovementOverridden(objectEvent) && !ObjectEventClearHeldMovementIfFinished(objectEvent))
        {
            return;
        }
        if (task->data[2] >= 32 && task->data[15] == GetPlayerFacingDirection())
        {
            objectEvent->invisible = FALSE;
            ScriptContext2_Disable();
            UnfreezeObjectEvents();
            DestroyTask(FindTaskIdByFunc(sub_80B7E94));
            return;
        }
        ObjectEventSetHeldMovement(objectEvent, GetFaceDirectionMovementAction(spinDirections[objectEvent->facingDirection]));
        if (task->data[2] < 32)
        {
            task->data[2]++;
        }
        task->data[1] = task->data[2] >> 2;
    }
    objectEvent->invisible ^= 1;
}

void CreateTeleportFieldEffectTask(void)
{
    CreateTask(ExecuteTeleportFieldEffectTask, 0);
}

static void (*const sTeleportFieldEffectTasks[])(struct Task *) = {
    TeleportFieldEffectTask1,
    TeleportFieldEffectTask2,
    TeleportFieldEffectTask3,
    TeleportFieldEffectTask4
};

static void ExecuteTeleportFieldEffectTask(u8 taskId)
{
    sTeleportFieldEffectTasks[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void TeleportFieldEffectTask1(struct Task *task)
{
    ScriptContext2_Enable();
    FreezeObjectEvents();
    CameraObjectReset2();
    task->data[15] = GetPlayerFacingDirection();
    task->data[0]++;
}

static void TeleportFieldEffectTask2(struct Task *task)
{
    u8 spinDirections[5] = {DIR_SOUTH, DIR_WEST, DIR_EAST, DIR_NORTH, DIR_SOUTH};
    struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (task->data[1] == 0 || (--task->data[1]) == 0)
    {
        ObjectEventTurn(objectEvent, spinDirections[objectEvent->facingDirection]);
        task->data[1] = 8;
        task->data[2]++;
    }
    if (task->data[2] > 7 && task->data[15] == objectEvent->facingDirection)
    {
        task->data[0]++;
        task->data[1] = 4;
        task->data[2] = 8;
        task->data[3] = 1;
        PlaySE(SE_TK_WARPIN);
    }
}

static void TeleportFieldEffectTask3(struct Task *task)
{
    u8 spinDirections[5] = {DIR_SOUTH, DIR_WEST, DIR_EAST, DIR_NORTH, DIR_SOUTH};
    struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    struct Sprite *sprite = &gSprites[gPlayerAvatar.spriteId];
    if ((--task->data[1]) <= 0)
    {
        task->data[1] = 4;
        ObjectEventTurn(objectEvent, spinDirections[objectEvent->facingDirection]);
    }
    sprite->pos1.y -= task->data[3];
    task->data[4] += task->data[3];
    if ((--task->data[2]) <= 0 && (task->data[2] = 4, task->data[3] < 8))
    {
        task->data[3] <<= 1;
    }
    if (task->data[4] > 8 && (sprite->oam.priority = 1, sprite->subspriteMode != SUBSPRITES_OFF))
    {
        sprite->subspriteMode = SUBSPRITES_IGNORE_PRIORITY;
    }
    if (task->data[4] >= 0xa8)
    {
        task->data[0]++;
        TryFadeOutOldMapMusic();
        WarpFadeOutScreen();
    }
}

static void TeleportFieldEffectTask4(struct Task *task)
{
    if (!gPaletteFade.active)
    {
        if (task->data[5] == FALSE)
        {
            ClearMirageTowerPulseBlendEffect();
            task->data[5] = TRUE;
        }

        if (BGMusicStopped() == TRUE)
        {
            SetWarpDestinationToLastHealLocation();
            WarpIntoMap();
            SetMainCallback2(CB2_LoadMap);
            gFieldCallback = mapldr_08085D88;
            DestroyTask(FindTaskIdByFunc(ExecuteTeleportFieldEffectTask));
        }
    }
}

static void mapldr_08085D88(void)
{
    Overworld_PlaySpecialMapMusic();
    WarpFadeInScreen();
    ScriptContext2_Enable();
    FreezeObjectEvents();
    gFieldCallback = NULL;
    gObjectEvents[gPlayerAvatar.objectEventId].invisible = TRUE;
    CameraObjectReset2();
    CreateTask(sub_80B8250, 0);
}

void (*const gUnknown_0855C49C[])(struct Task *) = {
    sub_80B8280,
    sub_80B830C,
    sub_80B8410
};

static void sub_80B8250(u8 taskId)
{
    gUnknown_0855C49C[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void sub_80B8280(struct Task *task)
{
    struct Sprite *sprite;
    s16 centerToCornerVecY;
    if (IsWeatherNotFadingIn())
    {
        sprite = &gSprites[gPlayerAvatar.spriteId];
        centerToCornerVecY = -(sprite->centerToCornerVecY << 1);
        sprite->pos2.y = -(sprite->pos1.y + sprite->centerToCornerVecY + gSpriteCoordOffsetY + centerToCornerVecY);
        gObjectEvents[gPlayerAvatar.objectEventId].invisible = FALSE;
        task->data[0]++;
        task->data[1] = 8;
        task->data[2] = 1;
        task->data[14] = sprite->subspriteMode;
        task->data[15] = GetPlayerFacingDirection();
        PlaySE(SE_TK_WARPIN);
    }
}

static void sub_80B830C(struct Task *task)
{
    u8 spinDirections[5] = {1, 3, 4, 2, 1};
    struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    struct Sprite *sprite = &gSprites[gPlayerAvatar.spriteId];
    if ((sprite->pos2.y += task->data[1]) >= -8)
    {
        if (task->data[13] == 0)
        {
            task->data[13]++;
            objectEvent->triggerGroundEffectsOnMove = 1;
            sprite->subspriteMode = task->data[14];
        }
    } else
    {
        sprite->oam.priority = 1;
        if (sprite->subspriteMode != SUBSPRITES_OFF)
        {
            sprite->subspriteMode = SUBSPRITES_IGNORE_PRIORITY;
        }
    }
    if (sprite->pos2.y >= -0x30 && task->data[1] > 1 && !(sprite->pos2.y & 1))
    {
        task->data[1]--;
    }
    if ((--task->data[2]) == 0)
    {
        task->data[2] = 4;
        ObjectEventTurn(objectEvent, spinDirections[objectEvent->facingDirection]);
    }
    if (sprite->pos2.y >= 0)
    {
        sprite->pos2.y = 0;
        task->data[0]++;
        task->data[1] = 1;
        task->data[2] = 0;
    }
}

static void sub_80B8410(struct Task *task)
{
    u8 spinDirections[5] = {1, 3, 4, 2, 1};
    struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if ((--task->data[1]) == 0)
    {
        ObjectEventTurn(objectEvent, spinDirections[objectEvent->facingDirection]);
        task->data[1] = 8;
        if ((++task->data[2]) > 4 && task->data[14] == objectEvent->facingDirection)
        {
            ScriptContext2_Disable();
            CameraObjectReset1();
            UnfreezeObjectEvents();
            DestroyTask(FindTaskIdByFunc(sub_80B8250));
        }
    }
}

bool8 FldEff_FieldMoveShowMon(void)
{
    u8 taskId;
    if (IsMapTypeOutdoors(GetCurrentMapType()) == TRUE)
    {
        taskId = CreateTask(sub_80B8554, 0xff);
    } else
    {
        taskId = CreateTask(sub_80B88B4, 0xff);
    }
    gTasks[taskId].data[15] = sub_80B8C60(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2]);
    return FALSE;
}

bool8 FldEff_FieldMoveShowMonInit(void)
{
    struct Pokemon *pokemon;
    u32 flag = gFieldEffectArguments[0] & 0x80000000;
    pokemon = &gPlayerParty[(u8)gFieldEffectArguments[0]];
    gFieldEffectArguments[0] = GetMonData(pokemon, MON_DATA_SPECIES);
    gFieldEffectArguments[1] = GetMonData(pokemon, MON_DATA_OT_ID);
    gFieldEffectArguments[2] = GetMonData(pokemon, MON_DATA_PERSONALITY);
    gFieldEffectArguments[0] |= flag;
    FieldEffectStart(FLDEFF_FIELD_MOVE_SHOW_MON);
    FieldEffectActiveListRemove(FLDEFF_FIELD_MOVE_SHOW_MON_INIT);
    return FALSE;
}

void (*const gUnknown_0855C4A8[])(struct Task *) = {
    sub_80B8584,
    sub_80B85F8,
    sub_80B8660,
    sub_80B86EC,
    sub_80B871C,
    sub_80B8770,
    overworld_bg_setup_2,
};

static void sub_80B8554(u8 taskId)
{
    gUnknown_0855C4A8[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void sub_80B8584(struct Task *task)
{
    task->data[11] = REG_WININ;
    task->data[12] = REG_WINOUT;
    StoreWordInTwoHalfwords(&task->data[13], (u32)gMain.vblankCallback);
    task->data[1] = 0xf0f1;
    task->data[2] = 0x5051;
    task->data[3] = 0x3f;
    task->data[4] = 0x3e;
    SetGpuReg(REG_OFFSET_WIN0H, task->data[1]);
    SetGpuReg(REG_OFFSET_WIN0V, task->data[2]);
    SetGpuReg(REG_OFFSET_WININ, task->data[3]);
    SetGpuReg(REG_OFFSET_WINOUT, task->data[4]);
    SetVBlankCallback(sub_80B880C);
    task->data[0]++;
}

static void sub_80B85F8(struct Task *task)
{
    u16 offset = ((REG_BG0CNT >> 2) << 14);
    u16 delta = ((REG_BG0CNT >> 8) << 11);
    CpuCopy16(gFieldMoveStreaksTiles, (void *)(VRAM + offset), 0x200);
    CpuFill32(0, (void *)(VRAM + delta), 0x800);
    LoadPalette(gFieldMoveStreaksPalette, 0xf0, 0x20);
    sub_80B8874(delta);
    task->data[0]++;
}

static void sub_80B8660(struct Task *task)
{
    s16 v0;
    s16 v2;
    s16 v3;
    task->data[5] -= 16;
    v0 = ((u16)task->data[1] >> 8);
    v2 = ((u16)task->data[2] >> 8);
    v3 = ((u16)task->data[2] & 0xff);
    v0 -= 16;
    v2 -= 2;
    v3 += 2;
    if (v0 < 0)
    {
        v0 = 0;
    }
    if (v2 < 0x28)
    {
        v2 = 0x28;
    }
    if (v3 > 0x78)
    {
        v3 = 0x78;
    }
    task->data[1] = (v0 << 8) | (task->data[1] & 0xff);
    task->data[2] = (v2 << 8) | v3;
    if (v0 == 0 && v2 == 0x28 && v3 == 0x78)
    {
        gSprites[task->data[15]].callback = sub_80B8CC0;
        task->data[0]++;
    }
}

static void sub_80B86EC(struct Task *task)
{
    task->data[5] -= 16;
    if (gSprites[task->data[15]].data[7])
    {
        task->data[0]++;
    }
}

static void sub_80B871C(struct Task *task)
{
    s16 v2;
    s16 v3;
    task->data[5] -= 16;
    v2 = (task->data[2] >> 8);
    v3 = (task->data[2] & 0xff);
    v2 += 6;
    v3 -= 6;
    if (v2 > 0x50)
    {
        v2 = 0x50;
    }
    if (v3 < 0x51)
    {
        v3 = 0x51;
    }
    task->data[2] = (v2 << 8) | v3;
    if (v2 == 0x50 && v3 == 0x51)
    {
        task->data[0]++;
    }
}

static void sub_80B8770(struct Task *task)
{
    u16 bg0cnt = (REG_BG0CNT >> 8) << 11;
    CpuFill32(0, (void *)VRAM + bg0cnt, 0x800);
    task->data[1] = 0xf1;
    task->data[2] = 0xa1;
    task->data[3] = task->data[11];
    task->data[4] = task->data[12];
    task->data[0]++;
}

static void overworld_bg_setup_2(struct Task *task)
{
    IntrCallback callback;
    LoadWordFromTwoHalfwords((u16 *)&task->data[13], (u32 *)&callback);
    SetVBlankCallback(callback);
    sub_8197200();
    FreeResourcesAndDestroySprite(&gSprites[task->data[15]], task->data[15]);
    FieldEffectActiveListRemove(FLDEFF_FIELD_MOVE_SHOW_MON);
    DestroyTask(FindTaskIdByFunc(sub_80B8554));
}

static void sub_80B880C(void)
{
    IntrCallback callback;
    struct Task *task = &gTasks[FindTaskIdByFunc(sub_80B8554)];
    LoadWordFromTwoHalfwords((u16 *)&task->data[13], (u32 *)&callback);
    callback();
    SetGpuReg(REG_OFFSET_WIN0H, task->data[1]);
    SetGpuReg(REG_OFFSET_WIN0V, task->data[2]);
    SetGpuReg(REG_OFFSET_WININ, task->data[3]);
    SetGpuReg(REG_OFFSET_WINOUT, task->data[4]);
    SetGpuReg(REG_OFFSET_BG0HOFS, task->data[5]);
    SetGpuReg(REG_OFFSET_BG0VOFS, task->data[6]);
}

static void sub_80B8874(u16 offs)
{
    u16 i;
    u16 *dest;
    dest = (u16 *)(VRAM + 0x140 + offs);
    for (i = 0; i < 0x140; i++, dest++)
    {
        *dest = gFieldMoveStreaksTilemap[i] | METATILE_ELEVATION_MASK;
    }
}

void (*const gUnknown_0855C4C4[])(struct Task *) = {
    sub_80B88E4,
    sub_80B8920,
    sub_80B898C,
    sub_80B89DC,
    sub_80B8A0C,
    sub_80B8A44,
    sub_80B8A64,
};

static void sub_80B88B4(u8 taskId)
{
    gUnknown_0855C4C4[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void sub_80B88E4(struct Task *task)
{
    SetGpuReg(REG_OFFSET_BG0HOFS, task->data[1]);
    SetGpuReg(REG_OFFSET_BG0VOFS, task->data[2]);
    StoreWordInTwoHalfwords((u16 *)&task->data[13], (u32)gMain.vblankCallback);
    SetVBlankCallback(sub_80B8AE0);
    task->data[0]++;
}

static void sub_80B8920(struct Task *task)
{
    u16 offset;
    u16 delta;
    offset = ((REG_BG0CNT >> 2) << 14);
    delta = ((REG_BG0CNT >> 8) << 11);
    task->data[12] = delta;
    CpuCopy16(gDarknessFieldMoveStreaksTiles, (void *)(VRAM + offset), 0x80);
    CpuFill32(0, (void *)(VRAM + delta), 0x800);
    LoadPalette(gDarknessFieldMoveStreaksPalette, 0xf0, 0x20);
    task->data[0]++;
}

static void sub_80B898C(struct Task *task)
{
    if (sub_80B8B38(task))
    {
        SetGpuReg(REG_OFFSET_WIN1H, 0x00f0);
        SetGpuReg(REG_OFFSET_WIN1V, 0x2878);
        gSprites[task->data[15]].callback = sub_80B8CC0;
        task->data[0]++;
    }
    sub_80B8B28(task);
}

static void sub_80B89DC(struct Task *task)
{
    sub_80B8B28(task);
    if (gSprites[task->data[15]].data[7])
    {
        task->data[0]++;
    }
}

static void sub_80B8A0C(struct Task *task)
{
    sub_80B8B28(task);
    task->data[3] = task->data[1] & 7;
    task->data[4] = 0;
    SetGpuReg(REG_OFFSET_WIN1H, 0xffff);
    SetGpuReg(REG_OFFSET_WIN1V, 0xffff);
    task->data[0]++;
}

static void sub_80B8A44(struct Task *task)
{
    sub_80B8B28(task);
    if (sub_80B8BF0(task))
    {
        task->data[0]++;
    }
}

static void sub_80B8A64(struct Task *task)
{
    IntrCallback intrCallback;
    u16 bg0cnt;
    bg0cnt = (REG_BG0CNT >> 8) << 11;
    CpuFill32(0, (void *)VRAM + bg0cnt, 0x800);
    LoadWordFromTwoHalfwords((u16 *)&task->data[13], (u32 *)&intrCallback);
    SetVBlankCallback(intrCallback);
    sub_8197200();
    FreeResourcesAndDestroySprite(&gSprites[task->data[15]], task->data[15]);
    FieldEffectActiveListRemove(FLDEFF_FIELD_MOVE_SHOW_MON);
    DestroyTask(FindTaskIdByFunc(sub_80B88B4));
}

static void sub_80B8AE0(void)
{
    IntrCallback intrCallback;
    struct Task *task;
    task = &gTasks[FindTaskIdByFunc(sub_80B88B4)];
    LoadWordFromTwoHalfwords((u16 *)&task->data[13], (u32 *)&intrCallback);
    intrCallback();
    SetGpuReg(REG_OFFSET_BG0HOFS, task->data[1]);
    SetGpuReg(REG_OFFSET_BG0VOFS, task->data[2]);
}

static void sub_80B8B28(struct Task *task)
{
    task->data[1] -= 16;
    task->data[3] += 16;
}

static bool8 sub_80B8B38(struct Task *task)
{
    u16 i;
    u16 srcOffs;
    u16 dstOffs;
    u16 *dest;
    if (task->data[4] >= 32)
    {
        return TRUE;
    }
    dstOffs = (task->data[3] >> 3) & 0x1f;
    if (dstOffs >= task->data[4])
    {
        dstOffs = (32 - dstOffs) & 0x1f;
        srcOffs = (32 - task->data[4]) & 0x1f;
        dest = (u16 *)(VRAM + 0x140 + (u16)task->data[12]);
        for (i = 0; i < 10; i++)
        {
            dest[dstOffs + i * 32] = gDarknessFieldMoveStreaksTilemap[srcOffs + i * 32];
            dest[dstOffs + i * 32] |= 0xf000;

            dest[((dstOffs + 1) & 0x1f) + i * 32] = gDarknessFieldMoveStreaksTilemap[((srcOffs + 1) & 0x1f) + i * 32] | 0xf000;
            dest[((dstOffs + 1) & 0x1f) + i * 32] |= 0xf000;
        }
        task->data[4] += 2;
    }
    return FALSE;
}

static bool8 sub_80B8BF0(struct Task *task)
{
    u16 i;
    u16 dstOffs;
    u16 *dest;
    if (task->data[4] >= 32)
    {
        return TRUE;
    }
    dstOffs = task->data[3] >> 3;
    if (dstOffs >= task->data[4])
    {
        dstOffs = (task->data[1] >> 3) & 0x1f;
        dest = (u16 *)(VRAM + 0x140 + (u16)task->data[12]);
        for (i = 0; i < 10; i++)
        {
            dest[dstOffs + i * 32] = 0xf000;
            dest[((dstOffs + 1) & 0x1f) + i * 32] = 0xf000;
        }
        task->data[4] += 2;
    }
    return FALSE;
}

static u8 sub_80B8C60(u32 a0, u32 a1, u32 a2)
{
    u16 v0;
    u8 monSprite;
    struct Sprite *sprite;
    v0 = (a0 & 0x80000000) >> 16;
    a0 &= 0x7fffffff;
    monSprite = CreateMonSprite_FieldMove(a0, a1, a2, 0x140, 0x50, 0);
    sprite = &gSprites[monSprite];
    sprite->callback = SpriteCallbackDummy;
    sprite->oam.priority = 0;
    sprite->data[0] = a0;
    sprite->data[6] = v0;
    return monSprite;
}

static void sub_80B8CC0(struct Sprite *sprite)
{
    if ((sprite->pos1.x -= 20) <= 0x78)
    {
        sprite->pos1.x = 0x78;
        sprite->data[1] = 30;
        sprite->callback = sub_80B8D04;
        if (sprite->data[6])
        {
            PlayCry2(sprite->data[0], 0, 0x7d, 0xa);
        }
        else
        {
            PlayCry1(sprite->data[0], 0);
        }
    }
}

static void sub_80B8D04(struct Sprite *sprite)
{
    if ((--sprite->data[1]) == 0)
    {
        sprite->callback = sub_80B8D20;
    }
}

static void sub_80B8D20(struct Sprite *sprite)
{
    if (sprite->pos1.x < -0x40)
    {
        sprite->data[7] = 1;
    }
    else
    {
        sprite->pos1.x -= 20;
    }
}

u8 FldEff_UseSurf(void)
{
    u8 taskId = CreateTask(sub_80B8D84, 0xff);
    gTasks[taskId].data[15] = gFieldEffectArguments[0];
    Overworld_ClearSavedMusic();
    Overworld_ChangeMusicTo(MUS_NAMINORI);
    return FALSE;
}

void (*const gUnknown_0855C4E0[])(struct Task *) = {
    sub_80B8DB4,
    sub_80B8E14,
    sub_80B8E60,
    sub_80B8EA8,
    sub_80B8F24,
};

static void sub_80B8D84(u8 taskId)
{
    gUnknown_0855C4E0[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void sub_80B8DB4(struct Task *task)
{
    ScriptContext2_Enable();
    FreezeObjectEvents();
    gPlayerAvatar.preventStep = TRUE;
    SetPlayerAvatarStateMask(8);
    PlayerGetDestCoords(&task->data[1], &task->data[2]);
    MoveCoords(gObjectEvents[gPlayerAvatar.objectEventId].movementDirection, &task->data[1], &task->data[2]);
    task->data[0]++;
}

static void sub_80B8E14(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (!ObjectEventIsMovementOverridden(objectEvent) || ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        sub_808C114();
        ObjectEventSetHeldMovement(objectEvent, MOVEMENT_ACTION_START_ANIM_IN_DIRECTION);
        task->data[0]++;
    }
}

static void sub_80B8E60(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (ObjectEventCheckHeldMovementStatus(objectEvent))
    {
        gFieldEffectArguments[0] = task->data[15] | 0x80000000;
        FieldEffectStart(FLDEFF_FIELD_MOVE_SHOW_MON_INIT);
        task->data[0]++;
    }
}

static void sub_80B8EA8(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    if (!FieldEffectActiveListContains(FLDEFF_FIELD_MOVE_SHOW_MON))
    {
        objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
        ObjectEventSetGraphicsId(objectEvent, GetPlayerAvatarGraphicsIdByStateId(3));
        ObjectEventClearHeldMovementIfFinished(objectEvent);
        ObjectEventSetHeldMovement(objectEvent, GetJumpSpecialMovementAction(objectEvent->movementDirection));
        gFieldEffectArguments[0] = task->data[1];
        gFieldEffectArguments[1] = task->data[2];
        gFieldEffectArguments[2] = gPlayerAvatar.objectEventId;
        objectEvent->fieldEffectSpriteId = FieldEffectStart(FLDEFF_SURF_BLOB);
        task->data[0]++;
    }
}

static void sub_80B8F24(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        gPlayerAvatar.preventStep = FALSE;
        gPlayerAvatar.flags &= 0xdf;
        ObjectEventSetHeldMovement(objectEvent, GetFaceDirectionMovementAction(objectEvent->movementDirection));
        sub_81555AC(objectEvent->fieldEffectSpriteId, 1);
        UnfreezeObjectEvents();
        ScriptContext2_Disable();
        FieldEffectActiveListRemove(FLDEFF_USE_SURF);
        DestroyTask(FindTaskIdByFunc(sub_80B8D84));
    }
}

u8 sub_80B8F98(void)
{
    u8 i, j, k;
    u8 spriteId = CreateSprite(gFieldEffectObjectTemplatePointers[36], 0x78, -0x18, 1);
    struct Sprite *sprite = &gSprites[spriteId];

    sprite->oam.priority = 1;
    sprite->oam.paletteNum = 4;
    sprite->data[0] = 0;
    sprite->data[1] = 0;
    sprite->data[2] = 0;
    sprite->data[3] = -1;
    sprite->data[4] = sprite->pos1.y;
    sprite->data[5] = 0;
    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG0 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_BG2 | BLDCNT_TGT2_BG3 | BLDCNT_TGT2_OBJ | BLDCNT_TGT2_BD);
    SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(14, 14));
    SetGpuReg(REG_OFFSET_WININ, WININ_WIN0_BG_ALL | WININ_WIN0_OBJ | WININ_WIN0_CLR | WININ_WIN1_BG_ALL | WININ_WIN1_OBJ | WININ_WIN1_CLR);
    LoadPalette(gUnknown_0855B610, 0xC0, sizeof(gUnknown_0855B610));
    SetGpuReg(REG_OFFSET_BG0VOFS, 120);
    for (i = 3; i < 15; i++)
    {
        for (j = 12; j < 18; j++)
        {
            ((u16*)(BG_SCREEN_ADDR(31)))[i * 32 + j] = 0xBFF4 + i * 6 + j + 1;
        }
    }
    for (k = 0; k < 90; k++)
    {
        for (i = 0; i < 8; i++)
        {
            *(u16*)(BG_CHAR_ADDR(2) + (k + 1) * 32 + i * 4) = (gUnknown_0855B630[k * 32 + i * 4 + 1] << 8) + gUnknown_0855B630[k * 32 + i * 4];
            *(u16*)(BG_CHAR_ADDR(2) + (k + 1) * 32 + i * 4 + 2) = (gUnknown_0855B630[k * 32 + i * 4 + 3] << 8) + gUnknown_0855B630[k * 32 + i * 4 + 2];
        }
    }
    return spriteId;
}

u8 FldEff_NPCFlyOut(void)
{
    u8 spriteId = CreateSprite(gFieldEffectObjectTemplatePointers[26], 0x78, 0, 1);
    struct Sprite *sprite = &gSprites[spriteId];

    sprite->oam.paletteNum = 0;
    sprite->oam.priority = 1;
    sprite->callback = sub_80B9128;
    sprite->data[1] = gFieldEffectArguments[0];
    PlaySE(SE_W019);
    return spriteId;
}

static void sub_80B9128(struct Sprite *sprite)
{
    struct Sprite *npcSprite;

    sprite->pos2.x = Cos(sprite->data[2], 0x8c);
    sprite->pos2.y = Sin(sprite->data[2], 0x48);
    sprite->data[2] = (sprite->data[2] + 4) & 0xff;
    if (sprite->data[0])
    {
        npcSprite = &gSprites[sprite->data[1]];
        npcSprite->coordOffsetEnabled = 0;
        npcSprite->pos1.x = sprite->pos1.x + sprite->pos2.x;
        npcSprite->pos1.y = sprite->pos1.y + sprite->pos2.y - 8;
        npcSprite->pos2.x = 0;
        npcSprite->pos2.y = 0;
    }
    if (sprite->data[2] >= 0x80)
    {
        FieldEffectStop(sprite, FLDEFF_NPCFLY_OUT);
    }
}

u8 FldEff_UseFly(void)
{
    u8 taskId = CreateTask(sub_80B91D4, 0xfe);
    gTasks[taskId].data[1] = gFieldEffectArguments[0];
    return 0;
}

void (*const gUnknown_0855C4F4[])(struct Task *) = {
    sub_80B9204,
    sub_80B925C,
    sub_80B92A0,
    sub_80B92F8,
    sub_80B933C,
    sub_80B9390,
    sub_80B9418,
    sub_80B9474,
    sub_80B9494,
};

static void sub_80B91D4(u8 taskId)
{
    gUnknown_0855C4F4[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void sub_80B9204(struct Task *task)
{
    struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (!ObjectEventIsMovementOverridden(objectEvent) || ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        task->data[15] = gPlayerAvatar.flags;
        gPlayerAvatar.preventStep = TRUE;
        SetPlayerAvatarStateMask(1);
        sub_808C114();
        ObjectEventSetHeldMovement(objectEvent, MOVEMENT_ACTION_START_ANIM_IN_DIRECTION);
        task->data[0]++;
    }
}

static void sub_80B925C(struct Task *task)
{
    struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        task->data[0]++;
        gFieldEffectArguments[0] = task->data[1];
        FieldEffectStart(FLDEFF_FIELD_MOVE_SHOW_MON_INIT);
    }
}

static void sub_80B92A0(struct Task *task)
{
    if (!FieldEffectActiveListContains(FLDEFF_FIELD_MOVE_SHOW_MON))
    {
        struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
        if (task->data[15] & 0x08)
        {
            sub_81555AC(objectEvent->fieldEffectSpriteId, 2);
            sub_81555D8(objectEvent->fieldEffectSpriteId, 0);
        }
        task->data[1] = sub_80B94C4();
        task->data[0]++;
    }
}

static void sub_80B92F8(struct Task *task)
{
    if (sub_80B9508(task->data[1]))
    {
        task->data[0]++;
        task->data[2] = 16;
        SetPlayerAvatarTransitionFlags(PLAYER_AVATAR_FLAG_ON_FOOT);
        ObjectEventSetHeldMovement(&gObjectEvents[gPlayerAvatar.objectEventId], MOVEMENT_ACTION_FACE_LEFT);
    }
}

static void sub_80B933C(struct Task *task)
{
    struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if ((task->data[2] == 0 || (--task->data[2]) == 0) && ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        task->data[0]++;
        PlaySE(SE_W019);
        sub_80B9524(task->data[1]);
    }
}

static void sub_80B9390(struct Task *task)
{
    if ((++task->data[2]) >= 8)
    {
        struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
        ObjectEventSetGraphicsId(objectEvent, GetPlayerAvatarGraphicsIdByStateId(0x03));
        StartSpriteAnim(&gSprites[objectEvent->spriteId], 0x16);
        objectEvent->inanimate = 1;
        ObjectEventSetHeldMovement(objectEvent, MOVEMENT_ACTION_JUMP_IN_PLACE_LEFT);
        if (task->data[15] & 0x08)
        {
            DestroySprite(&gSprites[objectEvent->fieldEffectSpriteId]);
        }
        task->data[0]++;
        task->data[2] = 0;
    }
}

static void sub_80B9418(struct Task *task)
{
    if ((++task->data[2]) >= 10)
    {
        struct ObjectEvent *objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
        ObjectEventClearHeldMovementIfActive(objectEvent);
        objectEvent->inanimate = 0;
        objectEvent->hasShadow = 0;
        sub_80B9560(task->data[1], objectEvent->spriteId);
        CameraObjectReset2();
        task->data[0]++;
    }
}

static void sub_80B9474(struct Task *task)
{
    if (sub_80B9508(task->data[1]))
    {
        WarpFadeOutScreen();
        task->data[0]++;
    }
}

static void sub_80B9494(struct Task *task)
{
    if (!gPaletteFade.active)
    {
        FieldEffectActiveListRemove(FLDEFF_USE_FLY);
        DestroyTask(FindTaskIdByFunc(sub_80B91D4));
    }
}

static u8 sub_80B94C4(void)
{
    u8 spriteId;
    struct Sprite *sprite;
    spriteId = CreateSprite(gFieldEffectObjectTemplatePointers[26], 0xff, 0xb4, 0x1);
    sprite = &gSprites[spriteId];
    sprite->oam.paletteNum = 0;
    sprite->oam.priority = 1;
    sprite->callback = sub_80B957C;
    return spriteId;
}

static u8 sub_80B9508(u8 spriteId)
{
    return gSprites[spriteId].data[7];
}

static void sub_80B9524(u8 spriteId)
{
    struct Sprite *sprite;
    sprite = &gSprites[spriteId];
    sprite->callback = sub_80B963C;
    sprite->pos1.x = 0x78;
    sprite->pos1.y = 0x00;
    sprite->pos2.x = 0;
    sprite->pos2.y = 0;
    memset(&sprite->data[0], 0, 8 * sizeof(u16) /* zero all data cells */);
    sprite->data[6] = 0x40;
}

static void sub_80B9560(u8 a0, u8 a1)
{
    gSprites[a0].data[6] = a1;
}

const union AffineAnimCmd SpriteAffineAnim_855C518[] = {
    AFFINEANIMCMD_FRAME(8, 8, -30, 0),
    AFFINEANIMCMD_FRAME(28, 28, 0, 30),
    AFFINEANIMCMD_END
};

const union AffineAnimCmd SpriteAffineAnim_855C530[] = {
    AFFINEANIMCMD_FRAME(256, 256, 64, 0),
    AFFINEANIMCMD_FRAME(-10, -10, 0, 22),
    AFFINEANIMCMD_END
};

const union AffineAnimCmd *const gSpriteAffineAnimTable_0855C548[] = {
    SpriteAffineAnim_855C518,
    SpriteAffineAnim_855C530
};

static void sub_80B957C(struct Sprite *sprite)
{
    if (sprite->data[7] == 0)
    {
        if (sprite->data[0] == 0)
        {
            sprite->oam.affineMode = ST_OAM_AFFINE_DOUBLE;
            sprite->affineAnims = gSpriteAffineAnimTable_0855C548;
            InitSpriteAffineAnim(sprite);
            StartSpriteAffineAnim(sprite, 0);
            sprite->pos1.x = 0x76;
            sprite->pos1.y = -0x30;
            sprite->data[0]++;
            sprite->data[1] = 0x40;
            sprite->data[2] = 0x100;
        }
        sprite->data[1] += (sprite->data[2] >> 8);
        sprite->pos2.x = Cos(sprite->data[1], 0x78);
        sprite->pos2.y = Sin(sprite->data[1], 0x78);
        if (sprite->data[2] < 0x800)
        {
            sprite->data[2] += 0x60;
        }
        if (sprite->data[1] > 0x81)
        {
            sprite->data[7]++;
            sprite->oam.affineMode = ST_OAM_AFFINE_OFF;
            FreeOamMatrix(sprite->oam.matrixNum);
            CalcCenterToCornerVec(sprite, sprite->oam.shape, sprite->oam.size, ST_OAM_AFFINE_OFF);
        }
    }
}

static void sub_80B963C(struct Sprite *sprite)
{
    sprite->pos2.x = Cos(sprite->data[2], 0x8c);
    sprite->pos2.y = Sin(sprite->data[2], 0x48);
    sprite->data[2] = (sprite->data[2] + 4) & 0xff;
    if (sprite->data[6] != MAX_SPRITES)
    {
        struct Sprite *sprite1 = &gSprites[sprite->data[6]];
        sprite1->coordOffsetEnabled = 0;
        sprite1->pos1.x = sprite->pos1.x + sprite->pos2.x;
        sprite1->pos1.y = sprite->pos1.y + sprite->pos2.y - 8;
        sprite1->pos2.x = 0;
        sprite1->pos2.y = 0;
    }
    if (sprite->data[2] >= 0x80)
    {
        sprite->data[7] = 1;
    }
}

void sub_80B96B0(struct Sprite *sprite)
{
    if (sprite->data[7] == 0)
    {
        if (sprite->data[0] == 0)
        {
            sprite->oam.affineMode = ST_OAM_AFFINE_DOUBLE;
            sprite->affineAnims = gSpriteAffineAnimTable_0855C548;
            InitSpriteAffineAnim(sprite);
            StartSpriteAffineAnim(sprite, 1);
            sprite->pos1.x = 0x5e;
            sprite->pos1.y = -0x20;
            sprite->data[0]++;
            sprite->data[1] = 0xf0;
            sprite->data[2] = 0x800;
            sprite->data[4] = 0x80;
        }
        sprite->data[1] += sprite->data[2] >> 8;
        sprite->data[3] += sprite->data[2] >> 8;
        sprite->data[1] &= 0xff;
        sprite->pos2.x = Cos(sprite->data[1], 0x20);
        sprite->pos2.y = Sin(sprite->data[1], 0x78);
        if (sprite->data[2] > 0x100)
        {
            sprite->data[2] -= sprite->data[4];
        }
        if (sprite->data[4] < 0x100)
        {
            sprite->data[4] += 24;
        }
        if (sprite->data[2] < 0x100)
        {
            sprite->data[2] = 0x100;
        }
        if (sprite->data[3] >= 60)
        {
            sprite->data[7]++;
            sprite->oam.affineMode = ST_OAM_AFFINE_OFF;
            FreeOamMatrix(sprite->oam.matrixNum);
            sprite->invisible = TRUE;
        }
    }
}

void sub_80B9794(u8 spriteId)
{
    sub_80B9524(spriteId);
    gSprites[spriteId].callback = sub_80B96B0;
}

u8 FldEff_FlyIn(void)
{
    CreateTask(sub_80B97D4, 0xfe);
    return 0;
}

void (*const gUnknown_0855C550[])(struct Task *) = {
    sub_80B9804,
    sub_80B98B8,
    sub_80B9924,
    sub_80B9978,
    sub_80B99F0,
    sub_80B9A28,
    sub_80B9A60,
};

static void sub_80B97D4(u8 taskId)
{
    gUnknown_0855C550[gTasks[taskId].data[0]](&gTasks[taskId]);
}

static void sub_80B9804(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
    if (!ObjectEventIsMovementOverridden(objectEvent) || ObjectEventClearHeldMovementIfFinished(objectEvent))
    {
        task->data[0]++;
        task->data[2] = 17;
        task->data[15] = gPlayerAvatar.flags;
        gPlayerAvatar.preventStep = TRUE;
        SetPlayerAvatarStateMask(0x01);
        if (task->data[15] & 0x08)
        {
            sub_81555AC(objectEvent->fieldEffectSpriteId, 0);
        }
        ObjectEventSetGraphicsId(objectEvent, GetPlayerAvatarGraphicsIdByStateId(0x3));
        CameraObjectReset2();
        ObjectEventTurn(objectEvent, DIR_WEST);
        StartSpriteAnim(&gSprites[objectEvent->spriteId], 0x16);
        objectEvent->invisible = FALSE;
        task->data[1] = sub_80B94C4();
        sub_80B9524(task->data[1]);
        sub_80B9560(task->data[1], objectEvent->spriteId);
    }
}

static void sub_80B98B8(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    struct Sprite *sprite;
    if (task->data[2] == 0 || (--task->data[2]) == 0)
    {
        objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
        sprite = &gSprites[objectEvent->spriteId];
        sub_80B9560(task->data[1], 0x40);
        sprite->pos1.x += sprite->pos2.x;
        sprite->pos1.y += sprite->pos2.y;
        sprite->pos2.x = 0;
        sprite->pos2.y = 0;
        task->data[0]++;
        task->data[2] = 0;
    }
}

static void sub_80B9924(struct Task *task)
{
    s16 unknown_0855C56C[18] = {
        -2,
        -4,
        -5,
        -6,
        -7,
        -8,
        -8,
        -8,
        -7,
        -7,
        -6,
        -5,
        -3,
        -2,
        0,
        2,
        4,
        8
    };
    struct Sprite *sprite = &gSprites[gPlayerAvatar.spriteId];
    sprite->pos2.y = unknown_0855C56C[task->data[2]];
    if ((++task->data[2]) >= 18)
    {
        task->data[0]++;
    }
}

static void sub_80B9978(struct Task *task)
{
    struct ObjectEvent *objectEvent;
    struct Sprite *sprite;
    if (sub_80B9508(task->data[1]))
    {
        objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
        sprite = &gSprites[objectEvent->spriteId];
        objectEvent->inanimate = 0;
        MoveObjectEventToMapCoords(objectEvent, objectEvent->currentCoords.x, objectEvent->currentCoords.y);
        sprite->pos2.x = 0;
        sprite->pos2.y = 0;
        sprite->coordOffsetEnabled = 1;
        sub_808C114();
        ObjectEventSetHeldMovement(objectEvent, MOVEMENT_ACTION_START_ANIM_IN_DIRECTION);
        task->data[0]++;
    }
}

static void sub_80B99F0(struct Task *task)
{
    if (ObjectEventClearHeldMovementIfFinished(&gObjectEvents[gPlayerAvatar.objectEventId]))
    {
        task->data[0]++;
        sub_80B9794(task->data[1]);
    }
}

static void sub_80B9A28(struct Task *task)
{
    if (sub_80B9508(task->data[1]))
    {
        DestroySprite(&gSprites[task->data[1]]);
        task->data[0]++;
        task->data[1] = 0x10;
    }
}

static void sub_80B9A60(struct Task *task)
{
    u8 state;
    struct ObjectEvent *objectEvent;
    if ((--task->data[1]) == 0)
    {
        objectEvent = &gObjectEvents[gPlayerAvatar.objectEventId];
        state = 0;
        if (task->data[15] & 0x08)
        {
            state = 3;
            sub_81555AC(objectEvent->fieldEffectSpriteId, 1);
        }
        ObjectEventSetGraphicsId(objectEvent, GetPlayerAvatarGraphicsIdByStateId(state));
        ObjectEventTurn(objectEvent, DIR_SOUTH);
        gPlayerAvatar.flags = task->data[15];
        gPlayerAvatar.preventStep = FALSE;
        FieldEffectActiveListRemove(FLDEFF_FLY_IN);
        DestroyTask(FindTaskIdByFunc(sub_80B97D4));
    }
}

bool8 sub_80B9ADC(void)
{
    u8 taskId;
    u8 objectEventIdBuffer;
    if (!TryGetObjectEventIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2], &objectEventIdBuffer))
    {
        taskId = CreateTask(sub_80B9BE8, 0x50);
        gTasks[taskId].data[2] = objectEventIdBuffer;
        gTasks[taskId].data[6] = gFieldEffectArguments[0];
        gTasks[taskId].data[7] = gFieldEffectArguments[1];
        gTasks[taskId].data[8] = gFieldEffectArguments[2];
    }
    else
    {
        FieldEffectActiveListRemove(0x41);
    }
    return FALSE;
}

void sub_80B9B3C(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    if (data[7] != 0)
    {
        if (++data[6] > 20)
        {
            data[6] = 0;
            if (data[5] != 0)
                data[5]--;
        }
    }
    else
    {
        data[5] = 4;
    }

    if (++data[0] > 1)
    {
        data[0] = 0;
        if (++data[1] & 1)
        {
            SetCameraPanning(0, -data[5]);
        }
        else
        {
            SetCameraPanning(0, data[5]);
        }
    }
    UpdateCameraPanning();
    if (data[5] == 0)
        DestroyTask(taskId);
}

void sub_80B9BD0(u8 taskId)
{
    gTasks[taskId].data[7] = 1;
}

void (*const gUnknown_0855C590[])(s16*, u8) = {
    sub_80B9C28,
    sub_80B9C54,
    sub_80B9CDC,
};

static void sub_80B9BE8(u8 taskId)
{
    s16 *data = gTasks[taskId].data;
    InstallCameraPanAheadCallback();
    SetCameraPanningCallback(0);
    gUnknown_0855C590[data[1]](data, taskId);
}

void sub_80B9C28(s16* data, u8 taskId)
{
    u8 newTaskId = CreateTask(sub_80B9B3C, 0x5A);
    PlaySE(SE_T_KAMI2);
    data[5] = newTaskId;
    data[1]++;
}

void sub_80B9D24(struct Sprite*);

void sub_80B9C54(s16* data, u8 taskId)
{
    if (++data[3] > 0x78)
    {
        struct Sprite *sprite = &gSprites[gObjectEvents[data[2]].spriteId];
        gObjectEvents[data[2]].invisible = TRUE;
        BlendPalettes(0x0000FFFF, 0x10, RGB_WHITE);
        BeginNormalPaletteFade(0x0000FFFF, 0, 0x10, 0, RGB_WHITE);
        sub_80B9D24(sprite);
        PlaySE(SE_T_KAMI);
        sub_80B9BD0(data[5]);
        data[3] = 0;
        data[1]++;
    }
}

void sub_80B9CDC(s16* a0, u8 taskId)
{
    if (!gPaletteFade.active && !FuncIsActiveTask(sub_80B9B3C))
    {
        InstallCameraPanAheadCallback();
        RemoveObjectEventByLocalIdAndMap(a0[6], a0[7], a0[8]);
        FieldEffectActiveListRemove(0x41);
        DestroyTask(taskId);
    }
}

const struct SpriteFrameImage gSpriteImageTable_855C59C[] = {
    obj_frame_tiles(gUnknown_0855C170),
    obj_frame_tiles(gUnknown_0855C190),
    obj_frame_tiles(gUnknown_0855C1B0),
    obj_frame_tiles(gUnknown_0855C1D0),
};

const union AnimCmd gSpriteAnim_855C5BC[] = {
    ANIMCMD_FRAME(.imageValue = 0),
    ANIMCMD_END
};

const union AnimCmd gSpriteAnim_855C5C4[] = {
    ANIMCMD_FRAME(.imageValue = 1),
    ANIMCMD_END
};

const union AnimCmd gSpriteAnim_855C5CC[] = {
    ANIMCMD_FRAME(.imageValue = 2),
    ANIMCMD_END
};

const union AnimCmd gSpriteAnim_855C5D4[] = {
    ANIMCMD_FRAME(.imageValue = 3),
    ANIMCMD_END
};

const union AnimCmd *const gSpriteAnimTable_855C5DC[] = {
    gSpriteAnim_855C5BC,
    gSpriteAnim_855C5C4,
    gSpriteAnim_855C5CC,
    gSpriteAnim_855C5D4,
};

const struct SpriteTemplate gUnknown_0855C5EC = {
    .tileTag = 0xFFFF,
    .paletteTag = 4378,
    .oam = &gOamData_855C218,
    .anims = gSpriteAnimTable_855C5DC,
    .images = gSpriteImageTable_855C59C,
    .affineAnims = gDummySpriteAffineAnimTable,
    .callback = sub_80B9DB8
};

void sub_80B9D24(struct Sprite* sprite)
{
    int i;
    int xPos = (s16)gTotalCameraPixelOffsetX + sprite->pos1.x + sprite->pos2.x;
    int yPos = (s16)gTotalCameraPixelOffsetY + sprite->pos1.y + sprite->pos2.y - 4;

    for (i = 0; i < 4; i++)
    {
        u8 spriteId = CreateSprite(&gUnknown_0855C5EC, xPos, yPos, 0);
        if (spriteId != MAX_SPRITES)
        {
            StartSpriteAnim(&gSprites[spriteId], i);
            gSprites[spriteId].data[0] = i;
            gSprites[spriteId].oam.paletteNum = sprite->oam.paletteNum;
        }
    }
}

static void sub_80B9DB8(struct Sprite* sprite)
{
    switch (sprite->data[0])
    {
    case 0:
        sprite->pos1.x -= 16;
        sprite->pos1.y -= 12;
        break;
    case 1:
        sprite->pos1.x += 16;
        sprite->pos1.y -= 12;
        break;
    case 2:
        sprite->pos1.x -= 16;
        sprite->pos1.y += 12;
        break;
    case 3:
        sprite->pos1.x += 16;
        sprite->pos1.y += 12;
        break;
    }
    if ((u16)(sprite->pos1.x + 4) > 0xF8 || sprite->pos1.y < -4 || sprite->pos1.y > 0xA4)
        DestroySprite(sprite);
}

bool8 Fldeff_MoveDeoxysRock(struct Sprite* sprite)
{
    u8 objectEventIdBuffer;
    if (!TryGetObjectEventIdByLocalIdAndMap(gFieldEffectArguments[0], gFieldEffectArguments[1], gFieldEffectArguments[2], &objectEventIdBuffer))
    {
        struct ObjectEvent *object;
        int xPos, yPos;
        u8 taskId;
        object = &gObjectEvents[objectEventIdBuffer];
        xPos = object->currentCoords.x - 7;
        yPos = object->currentCoords.y - 7;
        xPos = (gFieldEffectArguments[3] - xPos) * 16;
        yPos = (gFieldEffectArguments[4] - yPos) * 16;
        ShiftObjectEventCoords(object, gFieldEffectArguments[3] + 7, gFieldEffectArguments[4] + 7);
        taskId = CreateTask(Fldeff_MoveDeoxysRock_Step, 0x50);
        gTasks[taskId].data[1] = object->spriteId;
        gTasks[taskId].data[2] = gSprites[object->spriteId].pos1.x + xPos;
        gTasks[taskId].data[3] = gSprites[object->spriteId].pos1.y + yPos;
        gTasks[taskId].data[8] = gFieldEffectArguments[5];
        gTasks[taskId].data[9] = objectEventIdBuffer;
    }
    return FALSE;
}

static void Fldeff_MoveDeoxysRock_Step(u8 taskId)
{
    // BUG: Possible divide by zero
    s16 *data = gTasks[taskId].data;
    struct Sprite *sprite = &gSprites[data[1]];
    switch (data[0])
    {
        case 0:
            data[4] = sprite->pos1.x << 4;
            data[5] = sprite->pos1.y << 4;
            data[6] = (data[2] * 16 - data[4]) / data[8];
            data[7] = (data[3] * 16 - data[5]) / data[8];
            data[0]++;
        case 1:
            if (data[8] != 0)
            {
                data[8]--;
                data[4] += data[6];
                data[5] += data[7];
                sprite->pos1.x = data[4] >> 4;
                sprite->pos1.y = data[5] >> 4;
            }
            else
            {
                struct ObjectEvent *object = &gObjectEvents[data[9]];
                sprite->pos1.x = data[2];
                sprite->pos1.y = data[3];
                ShiftStillObjectEventCoords(object);
                object->triggerGroundEffectsOnStop = TRUE;
                FieldEffectActiveListRemove(0x42);
                DestroyTask(taskId);
            }
            break;
    }
}