2 files changed, 693 insertions, 11 deletions

diff --git a/src/pokemon_special_anim.c b/src/pokemon_special_anim.c
index b743d65a3..5dcb9821d 100644
--- a/src/pokemon_special_anim.c
+++ b/src/pokemon_special_anim.c
@@ -208,7 +208,7 @@ void sub_811C834(u8 taskId)
         }
         break;
     case 6:
-        sub_811DC54(ptr->itemId, ptr->closeness, 1);
+        sub_811DC54(ptr->itemId, ptr->closeness, TRUE);
         ptr->state++;
         break;
     case 7:
@@ -414,7 +414,7 @@ void sub_811CBE4(u8 taskId)
         ptr->state++;
         break;
     case 4:
-        sub_811DC54(ptr->itemId, ptr->closeness, 0);
+        sub_811DC54(ptr->itemId, ptr->closeness, FALSE);
         ptr->state++;
         break;
     case 5:
diff --git a/src/pokemon_special_anim_scene.c b/src/pokemon_special_anim_scene.c
index 50d546415..7184b5198 100644
--- a/src/pokemon_special_anim_scene.c
+++ b/src/pokemon_special_anim_scene.c
@@ -1,23 +1,46 @@
 #include "global.h"
 #include "gflib.h"
+#include "data.h"
+#include "decompress.h"
 #include "dynamic_placeholder_text_util.h"
 #include "item.h"
+#include "item_menu_icons.h"
 #include "menu.h"
 #include "new_menu_helpers.h"
 #include "pokemon_special_anim_internal.h"
 #include "strings.h"
 #include "text_window.h"
+#include "trig.h"
 #include "constants/songs.h"
 
 void sub_811D7D4(u16 animType);
+void sub_811D9BC(u8 taskId);
+void sub_811DA9C(struct Sprite * sprite, u8 closeness);
+bool8 sub_811DAAC(struct Sprite * sprite);
+void sub_811DB14(struct Sprite * sprite, u8 closeness);
+void sub_811DB48(struct Sprite * sprite, u8 closeness);
 void sub_811DB7C(struct PokemonSpecialAnimScene * scene, u8 a1, u8 a2, u8 a3);
 void sub_811DBA8(struct PokemonSpecialAnimScene * scene);
+void sub_811DBBC(struct Sprite * sprite);
+void sub_811DC14(u16 *tilees, u16 *palette);
+struct Sprite * sub_811DD20(u16 itemId);
+u16 sub_811DCE8(u16 itemId);
+void sub_811DDA4(u8 taskId);
+void sub_811DF14(u8 taskId, s16 *data, struct Sprite * sprite);
+void sub_811DFC0(struct Sprite * sprite);
+void sub_811E06C(struct PokemonSpecialAnimScene * scene, struct Sprite * sprite, u8 closeness);
+void sub_811E10C(void);
+bool8 sub_811E138(void);
 void sub_811E194(u8 a0);
 void sub_811E204(struct PokemonSpecialAnimScene * scene);
 bool8 sub_811E2F4(void);
+void sub_811E300(struct Sprite * sprite);
 void sub_811E348(struct PokemonSpecialAnimScene * scene);
 void sub_811E388(void);
+void sub_811E520(struct Sprite * sprite);
+void sub_811E588(void);
 bool32 sub_811E5A4(void);
+void sub_811E7B4(struct Sprite * sprite);
 
 const u16 gUnknown_845963C[] = INCBIN_U16("graphics/pokemon_special_anim/unk_845963C.gbapal");
 const u16 gUnknown_845965C[] = INCBIN_U16("graphics/pokemon_special_anim/unk_845965C.gbapal");
@@ -68,6 +91,238 @@ const u8 *const gUnknown_8459998[] = {
     gUnknown_841B2FF, // Poof!
 };
 
+const u16 sUnref_84599A4[] = {
+    0, 16, 68
+};
+
+const u16 gUnknown_84599AA[] = {
+    0x100,
+    0x155,
+    0x1AA,
+    0x200
+};
+
+const s8 gUnknown_84599B2[] = {
+    -8, -8, 6, -13, 8, -8
+};
+
+const struct CompressedSpriteSheet gUnknown_84599B8 = {
+    gUnknown_84598C4,
+    0x80,
+    2
+};
+
+const struct SpritePalette gUnknown_84599C0 = {
+    gUnknown_84598A4,
+    2
+};
+
+const struct CompressedSpriteSheet gUnknown_84599C8 = {
+    gUnknown_8459960,
+    0x60,
+    5
+};
+
+const struct SpritePalette gUnknown_84599D0 = {
+    gUnknown_8459940,
+    5
+};
+
+const struct OamData gUnknown_84599D8 = {
+    .y = 0,
+    .affineMode = ST_OAM_AFFINE_DOUBLE,
+    .objMode = ST_OAM_OBJ_NORMAL,
+    .mosaic = FALSE,
+    .bpp = ST_OAM_4BPP,
+    .shape = SPRITE_SHAPE(64x64),
+    .x = 0,
+    .matrixNum = 0,
+    .size = SPRITE_SIZE(64x64),
+    .tileNum = 0x000,
+    .priority = 1,
+    .paletteNum = 0
+};
+
+
+const union AffineAnimCmd gUnknown_84599E0[] = {
+    AFFINEANIMCMD_FRAME(0x100, 0x100, 0, 0),
+    AFFINEANIMCMD_END
+};
+
+const union AffineAnimCmd gUnknown_84599F0[] = {
+    AFFINEANIMCMD_FRAME(0x155, 0x155, 0, 0),
+    AFFINEANIMCMD_END
+};
+
+const union AffineAnimCmd gUnknown_8459A00[] = {
+    AFFINEANIMCMD_FRAME(0x1AA, 0x1AA, 0, 0),
+    AFFINEANIMCMD_END
+};
+
+const union AffineAnimCmd gUnknown_8459A10[] = {
+    AFFINEANIMCMD_FRAME(0x200, 0x200, 0, 0),
+    AFFINEANIMCMD_END
+};
+
+const union AffineAnimCmd *const gUnknown_8459A20[] = {
+    gUnknown_84599E0,
+    gUnknown_84599F0,
+    gUnknown_8459A00,
+    gUnknown_8459A10
+};
+
+const struct SpriteTemplate gUnknown_8459A30 = {
+    .tileTag = 0,
+    .paletteTag = 0,
+    .oam = &gUnknown_84599D8,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gUnknown_8459A20,
+    .callback = SpriteCallbackDummy
+};
+
+const union AffineAnimCmd gUnknown_8459A48[] = {
+    AFFINEANIMCMD_FRAME(0x100, 0x100, 0, 0),
+    AFFINEANIMCMD_FRAME(-28, -28, 0, 8),
+    AFFINEANIMCMD_END
+};
+
+const union AffineAnimCmd gUnknown_8459A60[] = {
+    AFFINEANIMCMD_FRAME(0x155, 0x155, 0, 0),
+    AFFINEANIMCMD_FRAME(-37, -37, 0, 8),
+    AFFINEANIMCMD_END
+};
+
+const union AffineAnimCmd gUnknown_8459A78[] = {
+    AFFINEANIMCMD_FRAME(0x1AA, 0x1AA, 0, 0),
+    AFFINEANIMCMD_FRAME(-47, -47, 0, 8),
+    AFFINEANIMCMD_END
+};
+
+const union AffineAnimCmd gUnknown_8459A90[] = {
+    AFFINEANIMCMD_FRAME(0x200, 0x200, 0, 0),
+    AFFINEANIMCMD_FRAME(-56, -56, 0, 8),
+    AFFINEANIMCMD_END
+};
+
+const union AffineAnimCmd *const gUnknown_8459AA8[] = {
+    gUnknown_8459A48,
+    gUnknown_8459A60,
+    gUnknown_8459A78,
+    gUnknown_8459A90
+};
+
+const struct OamData gUnknown_8459AB8 = {
+    .y = 0,
+    .affineMode = ST_OAM_AFFINE_OFF,
+    .objMode = ST_OAM_OBJ_BLEND,
+    .mosaic = FALSE,
+    .bpp = ST_OAM_4BPP,
+    .shape = SPRITE_SHAPE(8x16),
+    .x = 0,
+    .matrixNum = 0,
+    .size = SPRITE_SIZE(8x16),
+    .tileNum = 0x000,
+    .priority = 1,
+    .paletteNum = 0
+};
+
+const union AnimCmd gUnknown_8459AC0[] = {
+    ANIMCMD_FRAME(0, 3),
+    ANIMCMD_END
+};
+
+const union AnimCmd *const gUnknown_8459AC8[] = {
+    gUnknown_8459AC0
+};
+
+const struct SpriteTemplate gUnknown_8459ACC = {
+    .tileTag = 0,
+    .paletteTag = 0,
+    .oam = &gUnknown_8459AB8,
+    .anims = gUnknown_8459AC8,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = sub_811E7B4
+};
+
+const struct OamData gUnknown_8459AE4 = {
+    .y = 0,
+    .affineMode = ST_OAM_AFFINE_OFF,
+    .objMode = ST_OAM_OBJ_NORMAL,
+    .mosaic = FALSE,
+    .bpp = ST_OAM_4BPP,
+    .shape = SPRITE_SHAPE(16x16),
+    .x = 0,
+    .matrixNum = 0,
+    .size = SPRITE_SIZE(16x16),
+    .tileNum = 0x000,
+    .priority = 1,
+    .paletteNum = 0
+};
+
+const struct SpriteTemplate gUnknown_8459AEC = {
+    .tileTag = 2,
+    .paletteTag = 2,
+    .oam = &gUnknown_8459AE4,
+    .anims = gDummySpriteAnimTable,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = sub_811E300
+};
+
+const struct OamData gUnknown_8459B04 = {
+    .y = 0,
+    .affineMode = ST_OAM_AFFINE_OFF,
+    .objMode = ST_OAM_OBJ_NORMAL,
+    .mosaic = FALSE,
+    .bpp = ST_OAM_4BPP,
+    .shape = SPRITE_SHAPE(8x8),
+    .x = 0,
+    .matrixNum = 0,
+    .size = SPRITE_SIZE(8x8),
+    .tileNum = 0x000,
+    .priority = 0,
+    .paletteNum = 0
+};
+
+const union AnimCmd gUnknown_8459B0C[] = {
+    ANIMCMD_FRAME(0, 16),
+    ANIMCMD_FRAME(1,  8),
+    ANIMCMD_FRAME(2,  4),
+    ANIMCMD_END
+};
+
+const union AnimCmd gUnknown_8459B1C[] = {
+    ANIMCMD_FRAME(1, 4),
+    ANIMCMD_FRAME(0, 4),
+    ANIMCMD_END
+};
+
+const union AnimCmd *const gUnknown_8459B28[] = {
+    gUnknown_8459B0C,
+    gUnknown_8459B1C
+};
+
+const struct SpriteTemplate gUnknown_8459B30 = {
+    .tileTag = 5,
+    .paletteTag = 5,
+    .oam = &gUnknown_8459B04,
+    .anims = gUnknown_8459B28,
+    .images = NULL,
+    .affineAnims = gDummySpriteAffineAnimTable,
+    .callback = sub_811E520
+};
+
+const u8 *const gUnknown_8459B48[] = {
+    gUnknown_841B2A9,
+    gUnknown_841B2B7,
+    gUnknown_841B2BE,
+    gUnknown_841B2CC,
+    gUnknown_841B2D4,
+    gUnknown_841B2C6
+};
+
 void sub_811D184(struct PokemonSpecialAnimScene * buffer, u16 animType)
 {
     FreeAllWindowBuffers();
@@ -126,18 +381,17 @@ void sub_811D2D0(void)
     CopyWindowToVram(0, 1);
 }
 
-void sub_811D2EC(u8 a0)
+void sub_811D2EC(u8 messageId)
 {
-    // a0 --> r5
-    struct PokemonSpecialAnimScene * scene = sub_811D0A8(); // r4
-    u16 itemId = sub_811D0B4(); // r7
-    u16 strWidth = 0; // r8
-    u8 textSpeed = GetTextSpeedSetting(); // r9
-    struct Pokemon * pokemon = sub_811D094(); // r6
+    struct PokemonSpecialAnimScene * scene = sub_811D0A8();
+    u16 itemId = sub_811D0B4();
+    u16 strWidth = 0;
+    u8 textSpeed = GetTextSpeedSetting();
+    struct Pokemon * pokemon = sub_811D094();
     u16 level;
     u8 *str;
 
-    switch (a0)
+    switch (messageId)
     {
     case 0: // Item was used on Mon
         str = StringCopy(scene->field_0014, ItemId_GetName(itemId));
@@ -167,7 +421,7 @@ void sub_811D2EC(u8 a0)
         strWidth += GetStringWidth(2, gUnknown_841B2ED, -1);
         // fallthrough
     case 2: // 1
-        StringCopy(scene->field_0014, gUnknown_8459998[a0 - 2]);
+        StringCopy(scene->field_0014, gUnknown_8459998[messageId - 2]);
         textSpeed = 1;
         break;
     case 5: // Mon forgot move
@@ -316,3 +570,431 @@ bool8 sub_811D5C0(void)
     }
     return TRUE;
 }
+
+void sub_811D6EC(void)
+{
+    struct PokemonSpecialAnimScene * scene = sub_811D0A8();
+    scene->field_0000 = 0;
+}
+
+bool8 sub_811D6FC(void)
+{
+    struct PokemonSpecialAnimScene * scene = sub_811D0A8();
+
+    switch (scene->field_0000)
+    {
+    case 0:
+        sub_811E10C();
+        PlaySE(SE_MU_PACHI);
+        scene->field_0000++;
+        break;
+    case 1:
+        return sub_811E138();
+    }
+    return TRUE;
+}
+
+void sub_811D734(void)
+{
+    sub_811E5B8(120, 56, 4, 4, 2, 0);
+}
+
+bool8 sub_811D754(void)
+{
+    return sub_811E680();
+}
+
+void sub_811D764(u16 *statsBefore, u16 *statsAfter)
+{
+    DrawTextBorderOuter(1, 0x001, 0xE);
+    DrawLevelUpWindowPg1(1, statsBefore, statsAfter, TEXT_COLOR_WHITE, TEXT_COLOR_DARK_GREY, TEXT_COLOR_LIGHT_GREY);
+    PutWindowTilemap(1);
+    CopyWindowToVram(1, 3);
+}
+void sub_811D7A0(u16 *currStats)
+{
+    DrawLevelUpWindowPg2(1, currStats, TEXT_COLOR_WHITE, TEXT_COLOR_DARK_GREY, TEXT_COLOR_LIGHT_GREY);
+    CopyWindowToVram(1, 2);
+}
+
+bool8 sub_811D7C4(void)
+{
+    return IsDma3ManagerBusyWithBgCopy();
+}
+
+void sub_811D7D4(u16 animType)
+{
+    CopyToBgTilemapBuffer(3, gUnknown_845973C, 0, 0x000);
+    DecompressAndCopyTileDataToVram(3, gUnknown_845967C, 0, 0x000, 0);
+    if (animType != 4)
+        LoadPalette(gUnknown_845963C, 0x00, 0x20);
+    else
+        LoadPalette(gUnknown_845965C, 0x00, 0x20);
+}
+
+void sub_811D830(u8 closeness)
+{
+    struct PokemonSpecialAnimScene * scene = sub_811D0A8();
+    struct Pokemon * pokemon = sub_811D094();
+    u16 species = GetMonData(pokemon, MON_DATA_SPECIES);
+    u32 personality = GetMonData(pokemon, MON_DATA_PERSONALITY);
+    u8 r1 = sub_812EA78(species, personality, 2);
+    void * r6;
+    void * r9;
+    void * r4;
+    u8 spriteId;
+
+    if (r1 != 0xFF)
+    {
+        scene->field_0006 = 0x48;
+        scene->field_0008 = r1 + 0x30;
+    }
+    else
+    {
+        scene->field_0006 = 0x48;
+        scene->field_0008 = 0x60;
+    }
+
+    r6 = Alloc(0x2000);
+    r9 = Alloc(0x2000);
+    r4 = Alloc(0x100);
+    if (r6 != NULL && r9 != NULL && r4 != NULL)
+    {
+        HandleLoadSpecialPokePic(&gMonFrontPicTable[species], r6, species, personality);
+        LZ77UnCompWram(GetMonFrontSpritePal(pokemon), r4);
+        sub_811DC14(r6, r4);
+        spriteId = CreateSprite(&gUnknown_8459A30, 120, scene->field_0006, 4);
+        if (spriteId != MAX_SPRITES)
+        {
+            scene->field_000c = &gSprites[spriteId];
+            sub_811DB14(scene->field_000c, closeness);
+        }
+        else
+            scene->field_000c = NULL;
+        scene->field_000a = closeness;
+    }
+    if (r6 != NULL) Free(r6);
+    if (r9 != NULL) Free(r9);
+    if (r4 != NULL) Free(r4);
+}
+
+void sub_811D948(u8 closeness)
+{
+    struct PokemonSpecialAnimScene * scene = sub_811D0A8();
+    u8 taskId;
+    if (closeness != scene->field_000a)
+    {
+        taskId = CreateTask(sub_811D9BC, 4);
+        SetWordTaskArg(taskId, 6, (uintptr_t)scene->field_000c);
+        gTasks[taskId].data[1] = scene->field_000a;
+        gTasks[taskId].data[2] = closeness;
+        gTasks[taskId].data[5] = 6;
+        if (closeness > scene->field_000a)
+            gTasks[taskId].data[3] = 1;
+        else
+            gTasks[taskId].data[3] = -1;
+    }
+}
+
+bool8 sub_811D9A8(void)
+{
+    return FuncIsActiveTask(sub_811D9BC);
+}
+
+void sub_811D9BC(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    struct Sprite * sprite = (void *)GetWordTaskArg(taskId, 6);
+    switch (data[0])
+    {
+    case 0:
+        sub_811DA9C(sprite, data[1]);
+        if (data[8])
+            sub_811DA9C((void *)GetWordTaskArg(taskId, 9), data[1]);
+        data[1] += data[3];
+        data[0]++;
+        break;
+    case 1:
+        if (!sub_811DAAC(sprite))
+        {
+            PlaySE(SE_TB_KARA);
+            sub_811DB14(sprite, data[1]);
+            if (data[8])
+                sub_811DB48((void *)GetWordTaskArg(taskId, 9), data[1]);
+            if (data[1] == data[2])
+            {
+                sub_811D0A8()->field_000a = data[2];
+                DestroyTask(taskId);
+            }
+            else
+            {
+                data[4] = 0;
+                data[0] = 2;
+            }
+        }
+        break;
+    case 2:
+        data[4]++;
+        if (data[4] > data[5])
+            data[0] = 0;
+        break;
+    }
+}
+
+void sub_811DA9C(struct Sprite * sprite, u8 closeness)
+{
+    sprite->data[0] = 0;
+    sprite->data[1] = 0;
+    sprite->data[2] = closeness;
+}
+
+bool8 sub_811DAAC(struct Sprite * sprite)
+{
+    return sprite->callback != SpriteCallbackDummy;
+}
+
+s16 sub_811DAC0(s16 pos, u8 closeness)
+{
+    return (pos * gUnknown_84599AA[closeness]) >> 8;
+}
+
+// FIXME: better math
+u16 sub_811DADC(u16 pos)
+{
+    struct PokemonSpecialAnimScene * scene = sub_811D0A8();
+    s32 v = ((((((scene->field_0008 - scene->field_0006) << 16) >> 8) / 256 * (pos - 256)) << 8) >> 16);
+    return v += scene->field_0006;
+}
+
+void sub_811DB14(struct Sprite * sprite, u8 closeness)
+{
+    if (closeness > 3)
+        closeness = 3;
+    sub_811D0A8(); // return value not used
+    StartSpriteAffineAnim(sprite, closeness);
+    sprite->pos1.y = sub_811DADC(gUnknown_84599AA[closeness]);
+}
+
+void sub_811DB48(struct Sprite * sprite, u8 closeness)
+{
+    sub_811DB14(sprite, closeness);
+    sprite->pos2.x = sub_811DAC0(sprite->data[6] - 32, closeness);
+    sprite->pos2.y = sub_811DAC0(sprite->data[7] - 32, closeness);
+}
+
+void sub_811DB7C(struct PokemonSpecialAnimScene * scene, u8 a1, u8 a2, u8 a3)
+{
+    scene->field_000c->data[0] = a1;
+    scene->field_000c->data[1] = a2;
+    scene->field_000c->data[2] = a3;
+    scene->field_000c->callback = sub_811DBBC;
+}
+
+void sub_811DBA8(struct PokemonSpecialAnimScene * scene)
+{
+    scene->field_000c->pos2.x = 0;
+    scene->field_000c->callback = SpriteCallbackDummy;
+}
+
+void sub_811DBBC(struct Sprite * sprite)
+{
+    sprite->data[7]++;
+    if (sprite->data[7] > sprite->data[0])
+    {
+        sprite->data[7] = 0;
+        sprite->data[6]++;
+        if (sprite->data[1] != 0 && sprite->data[6] >= sprite->data[1])
+        {
+            sprite->pos2.x = 0;
+            sprite->callback = SpriteCallbackDummy;
+        }
+        else if (sprite->data[6] & 1)
+            sprite->pos2.x = sprite->data[2];
+        else
+            sprite->pos2.x = -sprite->data[2];
+    }
+}
+
+void sub_811DC14(u16 *tiles, u16 *palette)
+{
+    struct SpriteSheet spriteSheet;
+    struct SpritePalette spritePalette;
+
+    spriteSheet.data = tiles;
+    spriteSheet.size = 0x800;
+    spriteSheet.tag = 0;
+    spritePalette.data = palette;
+    spritePalette.tag = 0;
+    LoadSpriteSheet(&spriteSheet);
+    LoadSpritePalette(&spritePalette);
+}
+
+void sub_811DC54(u16 itemId, u8 closeness, bool32 a2)
+{
+    struct PokemonSpecialAnimScene * scene = sub_811D0A8();
+    u8 taskId;
+    scene->field_0010 = sub_811DD20(itemId);
+    if (scene->field_0010 != NULL)
+    {
+        sub_811E06C(scene, scene->field_0010, closeness);
+        StartSpriteAffineAnim(scene->field_0010, closeness);
+        scene->field_0010->invisible = TRUE;
+        taskId = CreateTask(sub_811DDA4, 2);
+        SetWordTaskArg(taskId, 4, (uintptr_t)scene->field_0010);
+        gTasks[taskId].data[2] = closeness;
+        gTasks[taskId].data[3] = sub_811DADC(gUnknown_84599AA[closeness]);
+        gTasks[taskId].data[6] = a2;
+        gTasks[taskId].data[9] = sub_811DCE8(itemId);
+    }
+}
+
+u16 sub_811DCE8(u16 itemId)
+{
+    return RGB_WHITE;
+}
+
+void sub_811DCF0(u16 itemId)
+{
+    struct PokemonSpecialAnimScene * scene = sub_811D0A8();
+    scene->field_0010 = sub_811DD20(itemId);
+    if (scene->field_0010 != NULL)
+    {
+        StartSpriteAffineAnim(scene->field_0010, 3);
+        sub_811E06C(scene, scene->field_0010, 3);
+    }
+}
+
+struct Sprite * sub_811DD20(u16 itemId)
+{
+    u8 spriteId;
+    struct Sprite * sprite;
+    spriteId = AddItemIconObject(1, 1, itemId);
+    if (spriteId == MAX_SPRITES)
+        return NULL;
+    gSprites[spriteId].oam.affineMode = ST_OAM_AFFINE_DOUBLE;
+    gSprites[spriteId].oam.priority = 1;
+    gSprites[spriteId].subpriority = 1;
+    gSprites[spriteId].affineAnims = gUnknown_8459A20;
+    gSprites[spriteId].callback = SpriteCallbackDummy;
+    InitSpriteAffineAnim(&gSprites[spriteId]);
+    return &gSprites[spriteId];
+}
+
+bool8 sub_811DD90(void)
+{
+    return FuncIsActiveTask(sub_811DDA4);
+}
+
+void sub_811DDA4(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    struct Sprite * sprite = (void *)GetWordTaskArg(taskId, 4);
+    switch (data[0])
+    {
+    case 0:
+        data[1]++;
+        if (data[1] > 20)
+        {
+            data[1] = 0;
+            PlaySE(SE_W207B);
+            sprite->invisible = FALSE;
+            if (!data[11])
+                sub_811E588();
+            data[0] = 1;
+        }
+        break;
+    case 1:
+        data[1]++;
+        if (data[1] > 30)
+        {
+            data[1] = 0;
+            sprite->affineAnims = gUnknown_8459AA8;
+            StartSpriteAffineAnim(sprite, data[2]);
+            BeginNormalPaletteFade(0x10000 << IndexOfSpritePaletteTag(1), -2, 0, 12, data[9]);
+            data[0] = 2;
+            PlaySE(SE_W208);
+        }
+        break;
+    case 2:
+        if (sprite->affineAnimEnded)
+        {
+            sprite->invisible = TRUE;
+            data[10] = 20;
+            data[0] = 3;
+        }
+        break;
+    case 3:
+        data[1]++;
+        if (data[1] > data[10])
+        {
+            data[1] = 0;
+            if (!data[11])
+                sub_811DF14(taskId, data, sprite);
+            if (data[7] == 0)
+                PlaySE(SE_W179);
+            data[7]++;
+            if (data[7] > 2)
+                data[0] = 4;
+            else
+                data[10] = 8;
+        }
+        break;
+    case 4:
+        if (data[8] == 0)
+        {
+            if (data[6] != 0)
+                DestroySprite(sprite);
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+void sub_811DF14(u8 taskId, s16 *data, struct Sprite * sprite)
+{
+    int x = sprite->pos1.x + sprite->pos2.x - 4;
+    int y = sprite->pos1.y + sprite->pos2.y - 4;
+    u8 spriteId;
+    int i;
+    BlendPalettes(0x10000 << IndexOfSpritePaletteTag(5), 16, data[9]);
+    for (i = 0; i < 15; i++)
+    {
+        spriteId = CreateSprite(&gUnknown_8459B30, x, y, 0);
+        if (spriteId != MAX_SPRITES)
+        {
+            gSprites[spriteId].data[1] = i << 4;
+            gSprites[spriteId].data[7] = taskId;
+            gSprites[spriteId].callback = sub_811DFC0;
+            StartSpriteAnim(&gSprites[spriteId], 1);
+            data[8]++;
+        }
+    }
+}
+
+void sub_811DFC0(struct Sprite * sprite)
+{
+    s16 *data = sprite->data;
+    if (data[0] < 16)
+    {
+        data[0]++;
+        data[1] += 7;
+        data[1] &= 0xFF;
+        data[2] += 4;
+        sprite->pos2.x = (data[2] * gSineTable[data[1] + 0x40]) >> 8;
+        sprite->pos2.y = (data[2] * gSineTable[data[1]])        >> 8;
+    }
+    else
+    {
+        gTasks[data[7]].data[8]--;
+        DestroySprite(sprite);
+    }
+}
+
+void sub_811E040(void)
+{
+    u8 taskId = FindTaskIdByFunc(sub_811DDA4);
+    if (taskId != 0xFF)
+    {
+        gTasks[taskId].data[11] = TRUE;
+    }
+}