Merge branch 'master' into mystery_gift

5 files changed, 1634 insertions, 763 deletions

diff --git a/src/berry_crush.c b/src/berry_crush.c
new file mode 100755
index 000000000..dc4c546b0
--- /dev/null
+++ b/src/berry_crush.c
@@ -0,0 +1,775 @@
+#include "global.h"
+#include "alloc.h"
+#include "berry_powder.h"
+#include "bg.h"
+#include "event_data.h"
+#include "gpu_regs.h"
+#include "graphics.h"
+#include "item_icon.h"
+#include "item_menu.h"
+#include "link.h"
+#include "link_rfu.h"
+#include "main.h"
+#include "math_util.h"
+#include "menu.h"
+#include "overworld.h"
+#include "palette.h"
+#include "rom_8034C54.h"
+#include "scanline_effect.h"
+#include "sound.h"
+#include "sprite.h"
+#include "string_util.h"
+#include "task.h"
+#include "text.h"
+#include "trig.h"
+#include "window.h"
+#include "constants/items.h"
+#include "constants/rgb.h"
+#include "constants/songs.h"
+
+struct BerryCrushGame_Player
+{
+    u16 unk0;
+    u8 filler2[0x12];
+    u8 unk14[0xC];
+};
+
+struct BerryCrushGame_PlayersSeparate
+{
+    struct BerryCrushGame_Player player;
+    struct BerryCrushGame_Player others[4];
+};
+
+typedef union BerryCrushGame_Players
+{
+    struct BerryCrushGame_Player players[5];
+    struct BerryCrushGame_PlayersSeparate separate;
+} BerryCrushGame_Players;
+
+struct BerryCrushGame_138_C
+{
+    u8 filler0[0x8];
+    s16 unk8;
+    u16 unkA;
+};
+
+struct BerryCrushGame_138
+{
+    u8 filler0[0xC];
+    struct BerryCrushGame_138_C *unkC[5];
+    u8 filler1C[0x4];
+    struct Sprite *unk24[5];
+    struct Sprite *unk38[5];
+    struct Sprite *unk4C[5];
+    struct Sprite *unk60[5];
+    struct Sprite *unk74[5];
+};
+
+struct BerryCrushGame_4E
+{
+    u8 filler0[0x4];
+    u8 unk4;
+    u8 filler5[0x5];
+    u16 unkA;
+    u16 unkC;
+};
+
+struct __attribute__((packed)) BerryCrushGame_40
+{
+    u8 filler0[0xE];
+    struct BerryCrushGame_4E unkE;
+};
+
+struct BerryCrushGame
+{
+    MainCallback unk0;
+    void (* unk4)(struct BerryCrushGame *, u8 *);
+    u8 unk8;
+    u8 unk9;
+    u8 unkA;
+    u8 unkB;
+    u8 unkC;
+    u8 fillerD[0x1];
+    u8 unkE;
+    u8 unkF;
+    u8 filler10[0x2];
+    u16 unk12;
+    u8 filler14[0x2];
+    u16 unk16;
+    u8 filler18[0x4];
+    int unk1C;
+    u8 filler20[0x5];
+    u8 unk25_0:1;
+    u8 unk25_1:1;
+    u8 unk25_2:1;
+    u8 filler26[0x2];
+    u16 unk28;
+    u16 unk2A;
+    u16 unk2C;
+    u8 filler2E[0x8];
+    u8 unk36[0xA];
+    struct BerryCrushGame_40 unk40;
+    u8 filler60[0x8];
+    int unk68;
+    u16 unk6C;
+    u8 filler6E[0x4];
+    u16 unk72;
+    u8 filler74[0x10];
+    BerryCrushGame_Players unk84;
+    u8 filler124[0x14];
+    struct BerryCrushGame_138 unk138;
+    u8 unk1C0[0x1000];
+    u8 unk11C0[0x1000];
+    u8 unk21C0[0x1000];
+    u8 unk31C0[0x1000];
+};
+
+static void sub_8020F74(void);
+static void sub_8020F88(void);
+static void sub_8020FA0(u8);
+void sub_8020FC4(struct BerryCrushGame *);
+void sub_8022BEC(u16, u8, u8 *);
+void sub_8024604(u8 *, u8, s8, u8, u8, u8, u8);
+static int sub_8021450(struct BerryCrushGame *);
+void sub_8022588(struct BerryCrushGame *);
+void sub_8022600(struct BerryCrushGame *);
+void sub_80226D0(struct BerryCrushGame *);
+void sub_8022730(struct BerryCrushGame *);
+void sub_8022960(struct BerryCrushGame *);
+void sub_8022524(struct BerryCrushGame_138 *, u16);
+void sub_8022B28(struct Sprite *);
+
+extern struct BerryCrushGame *gUnknown_02022C90;
+
+extern const struct BgTemplate gUnknown_082F32C8[4];
+extern const u8 gBerryCrushGrinderTopTilemap[];
+extern const u8 gBerryCrushContainerCapTilemap[];
+extern const u8 gBerryCrushBackgroundTilemap[];
+extern const struct SpriteTemplate gUnknown_082F436C;
+extern const u16 gUnknown_082F41E8[];
+extern const s8 gUnknown_082F41CC[][2];
+extern const s8 gUnknown_082F41D2[][2];
+
+struct BerryCrushGame *sub_8020C00(void)
+{
+    return gUnknown_02022C90;
+}
+
+int sub_8020C0C(MainCallback callback)
+{
+    if (!gUnknown_02022C90)
+        return 2;
+
+    if (!callback)
+        callback = gUnknown_02022C90->unk0;
+
+    DestroyTask(gUnknown_02022C90->unkA);
+    FREE_AND_SET_NULL(gUnknown_02022C90);
+    SetMainCallback2(callback);
+    if (callback == CB2_ReturnToField)
+    {
+        gTextFlags.autoScroll = 1;
+        PlayNewMapMusic(MUS_POKECEN);
+        SetMainCallback1(CB1_Overworld);
+    }
+
+    return 0;
+}
+
+void sub_8020C70(MainCallback callback)
+{
+    u8 playerCount = 0;
+    u8 multiplayerId;
+
+    if (!gReceivedRemoteLinkPlayers || gWirelessCommType == 0)
+    {
+        SetMainCallback2(callback);
+        gUnknown_03005000.unk_10 = 0;
+        gUnknown_03005000.unk_12 = 0;
+        gUnknown_03005000.unk_ee = 1;
+        return;
+    }
+
+    playerCount = GetLinkPlayerCount();
+    multiplayerId = GetMultiplayerId();
+    if (playerCount < 2 || multiplayerId >= playerCount)
+    {
+        SetMainCallback2(callback);
+        gUnknown_03005000.unk_10 = 0;
+        gUnknown_03005000.unk_12 = 0;
+        gUnknown_03005000.unk_ee = 1;
+        return;
+    }
+
+    gUnknown_02022C90 = AllocZeroed(sizeof(*gUnknown_02022C90));
+    if (!gUnknown_02022C90)
+    {
+        SetMainCallback2(callback);
+        gUnknown_03005000.unk_10 = 0;
+        gUnknown_03005000.unk_12 = 0;
+        gUnknown_03005000.unk_ee = 1;
+        return;
+    }
+
+    gUnknown_02022C90->unk0 = callback;
+    gUnknown_02022C90->unk8 = multiplayerId;
+    gUnknown_02022C90->unk9 = playerCount;
+    sub_8020FC4(gUnknown_02022C90);
+    gUnknown_02022C90->unk12 = 1;
+    gUnknown_02022C90->unkE = 1;
+    gUnknown_02022C90->unkF = 6;
+    sub_8024604(gUnknown_02022C90->unk36, 1, -1, 0, 16, 0, 0);
+    sub_8022BEC(4, 1, gUnknown_02022C90->unk36);
+    SetMainCallback2(sub_8020F88);
+    gUnknown_02022C90->unkA = CreateTask(sub_8020FA0, 8);
+    gTextFlags.autoScroll = 0;
+}
+
+static void sub_8020D8C(void)
+{
+    if (gSpecialVar_ItemId < FIRST_BERRY_INDEX || gSpecialVar_ItemId > LAST_BERRY_INDEX + 1)
+        gSpecialVar_ItemId = ITEM_CHERI_BERRY;
+    else
+        RemoveBagItem(gSpecialVar_ItemId, 1);
+
+    gUnknown_02022C90->unk84.separate.others[gUnknown_02022C90->unk8].unk0 = gSpecialVar_ItemId - FIRST_BERRY_INDEX;
+    gUnknown_02022C90->unkE = 1;
+    gUnknown_02022C90->unkF = 9;
+    sub_8024604(gUnknown_02022C90->unk36, 0, -1, 0, 16, 0, 0);
+    sub_8022BEC(4, 1, gUnknown_02022C90->unk36);
+    gUnknown_02022C90->unkA = CreateTask(sub_8020FA0, 8);
+    SetMainCallback2(sub_8020F88);
+}
+
+void sub_8020E1C(void)
+{
+    DestroyTask(gUnknown_02022C90->unkA);
+    sub_81AABF0(sub_8020D8C);
+}
+
+static void sub_8020E3C(void)
+{
+    SetVBlankCallback(sub_8020F74);
+}
+
+void sub_8020E4C(void)
+{
+    SetVBlankCallback(NULL);
+}
+
+void sub_8020E58(void)
+{
+    u32 var0, var1;
+
+    var0 = gUnknown_02022C90->unk6C;
+    var0 <<= 8;
+    var0 = sub_81515FC(var0, 60 << 8);
+    var1 = gUnknown_02022C90->unk72;
+    var1 <<= 8;
+    var1 = sub_81515FC(var1, var0) & 0xFFFF;
+    gUnknown_02022C90->unk16 = var1;
+    switch (gUnknown_02022C90->unk9)
+    {
+    case 2:
+        if (gUnknown_02022C90->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[0])
+        {
+            gUnknown_02022C90->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[0] = gUnknown_02022C90->unk16;
+        }
+        break;
+    case 3:
+        if (gUnknown_02022C90->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[1])
+        {
+            gUnknown_02022C90->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[1] = gUnknown_02022C90->unk16;
+        }
+        break;
+    case 4:
+        if (gUnknown_02022C90->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[2])
+        {
+            gUnknown_02022C90->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[2] = gUnknown_02022C90->unk16;
+        }
+        break;
+    case 5:
+        if (gUnknown_02022C90->unk16 > gSaveBlock2Ptr->berryCrush.berryCrushResults[3])
+        {
+            gUnknown_02022C90->unk25_1 = 1;
+            gSaveBlock2Ptr->berryCrush.berryCrushResults[3] = gUnknown_02022C90->unk16;
+        }
+        break;
+    }
+
+    gUnknown_02022C90->unk1C = gUnknown_02022C90->unk68;
+    if (GiveBerryPowder(gUnknown_02022C90->unk1C))
+        return;
+
+    gUnknown_02022C90->unk25_0 = 1;
+}
+
+static void sub_8020F74(void)
+{
+    TransferPlttBuffer();
+    LoadOam();
+    ProcessSpriteCopyRequests();
+}
+
+static void sub_8020F88(void)
+{
+    RunTasks();
+    RunTextPrinters();
+    AnimateSprites();
+    BuildOamBuffer();
+}
+
+static void sub_8020FA0(u8 taskId)
+{
+    if (gUnknown_02022C90->unk4)
+        gUnknown_02022C90->unk4(gUnknown_02022C90, gUnknown_02022C90->unk36);
+
+    sub_8021450(gUnknown_02022C90);
+}
+
+#ifdef NONMATCHING
+void sub_8020FC4(struct BerryCrushGame *arg0)
+{
+    u8 i;
+
+    for (i = 0; i < arg0->unk9; i++)
+        StringCopy(arg0->unk84.players[i].unk14, gLinkPlayers[i].name);
+    
+    for (; i < 5; i++)
+    {
+        memset(arg0->unk84.players[i].unk14, 1, PLAYER_NAME_LENGTH);
+        arg0->unk84.players[i].unk14[PLAYER_NAME_LENGTH] = EOS;
+    }
+
+    switch (gSaveBlock2Ptr->optionsTextSpeed)
+    {
+    case OPTIONS_TEXT_SPEED_SLOW:
+        arg0->unkB = 8;
+        break;
+    case OPTIONS_TEXT_SPEED_MID:
+        arg0->unkB = 4;
+        break;
+    case OPTIONS_TEXT_SPEED_FAST:
+        arg0->unkB = 1;
+        break;
+    }
+}
+#else
+NAKED
+void sub_8020FC4(struct BerryCrushGame *arg0)
+{
+    asm_unified("\n\
+    push {r4-r6,lr}\n\
+    adds r6, r0, 0\n\
+    movs r5, 0\n\
+    b _08020FE6\n\
+LOOP_1:\n\
+    lsls r0, r5, 5\n\
+    adds r0, 0x98\n\
+    adds r0, r6, r0\n\
+    lsls r1, r5, 3\n\
+    subs r1, r5\n\
+    lsls r1, 2\n\
+    ldr r2, =gLinkPlayers + 8\n\
+    adds r1, r2\n\
+    bl StringCopy\n\
+    adds r0, r5, 0x1\n\
+    lsls r0, 24\n\
+    lsrs r5, r0, 24\n\
+_08020FE6:\n\
+    ldrb r0, [r6, 0x9]\n\
+    cmp r5, r0\n\
+    bcc LOOP_1\n\
+    cmp r5, 0x4\n\
+    bhi _08021012\n\
+_08020FF0:\n\
+    lsls r4, r5, 5\n\
+    adds r0, r4, 0\n\
+    adds r0, 0x98\n\
+    adds r0, r6, r0\n\
+    movs r1, 0x1\n\
+    movs r2, 0x7\n\
+    bl memset\n\
+    adds r4, r6, r4\n\
+    adds r4, 0x9F\n\
+    movs r0, 0xFF\n\
+    strb r0, [r4]\n\
+    adds r0, r5, 0x1\n\
+    lsls r0, 24\n\
+    lsrs r5, r0, 24\n\
+    cmp r5, 0x4\n\
+    bls _08020FF0\n\
+_08021012:\n\
+    ldr r0, =gSaveBlock2Ptr\n\
+    ldr r0, [r0]\n\
+    ldrb r0, [r0, 0x14]\n\
+    lsls r0, 29\n\
+    lsrs r0, 29\n\
+    cmp r0, 0x1\n\
+    beq _0802103E\n\
+    cmp r0, 0x1\n\
+    bgt _08021034\n\
+    cmp r0, 0\n\
+    beq _0802103A\n\
+    b _08021046\n\
+    .pool\n\
+_08021034:\n\
+    cmp r0, 0x2\n\
+    beq _08021042\n\
+    b _08021046\n\
+_0802103A:\n\
+    movs r0, 0x8\n\
+    b _08021044\n\
+_0802103E:\n\
+    movs r0, 0x4\n\
+    b _08021044\n\
+_08021042:\n\
+    movs r0, 0x1\n\
+_08021044:\n\
+    strb r0, [r6, 0xB]\n\
+_08021046:\n\
+    pop {r4-r6}\n\
+    pop {r0}\n\
+    bx r0");
+}
+#endif // NONMATCHING
+
+int sub_802104C(void)
+{
+    struct BerryCrushGame *var0 = sub_8020C00();
+    if (!var0)
+        return -1;
+
+    switch (var0->unkC)
+    {
+    case 0:
+        SetVBlankCallback(NULL);
+        SetHBlankCallback(NULL);
+        SetGpuReg(REG_OFFSET_DISPCNT, 0);
+        ScanlineEffect_Stop();
+        reset_temp_tile_data_buffers();
+        break;
+    case 1:
+        CpuFill16(0, (void *)OAM, OAM_SIZE);
+        gReservedSpritePaletteCount = 0;
+        sub_8034C54(3);
+        break;
+    case 2:
+        ResetPaletteFade();
+        ResetSpriteData();
+        FreeAllSpritePalettes();
+        break;
+    case 3:
+        ResetBgsAndClearDma3BusyFlags(0);
+        InitBgsFromTemplates(0, gUnknown_082F32C8, ARRAY_COUNT(gUnknown_082F32C8));
+        SetBgTilemapBuffer(1, var0->unk1C0);
+        SetBgTilemapBuffer(2, var0->unk21C0);
+        SetBgTilemapBuffer(3, var0->unk31C0);
+        ChangeBgX(0, 0, 0);
+        ChangeBgY(0, 0, 0);
+        ChangeBgX(2, 0, 0);
+        ChangeBgY(2, 0, 0);
+        ChangeBgX(3, 0, 0);
+        ChangeBgY(3, 0, 0);
+        SetGpuReg(REG_OFFSET_BLDCNT, 0);
+        SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+        break;
+    case 4:
+        FillBgTilemapBufferRect_Palette0(0, 0, 0, 0, 32, 32);
+        FillBgTilemapBufferRect_Palette0(1, 0, 0, 0, 32, 64);
+        FillBgTilemapBufferRect_Palette0(2, 0, 0, 0, 32, 32);
+        FillBgTilemapBufferRect_Palette0(3, 0, 0, 0, 32, 32);
+        break;
+    case 5:
+        CopyBgTilemapBufferToVram(0);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(2);
+        CopyBgTilemapBufferToVram(3);
+        decompress_and_copy_tile_data_to_vram(1, gUnknown_08DE34B8, 0, 0, 0);
+        break;
+    case 6:
+        if (free_temp_tile_data_buffers_if_possible())
+            return 0;
+
+        InitStandardTextBoxWindows();
+        sub_8197200();
+        sub_8022588(var0);
+        sub_8022600(var0);
+        gPaletteFade.bufferTransferDisabled = 1;
+        break;
+    case 7:
+        LoadPalette(gUnknown_08DE3398, 0, 0x180);
+        CopyToBgTilemapBuffer(1, gBerryCrushGrinderTopTilemap, 0, 0);
+        CopyToBgTilemapBuffer(2, gBerryCrushContainerCapTilemap, 0, 0);
+        CopyToBgTilemapBuffer(3, gBerryCrushBackgroundTilemap, 0, 0);
+        sub_80226D0(var0);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(2);
+        CopyBgTilemapBufferToVram(3);
+        break;
+    case 8:
+        sub_800E0E8();
+        CreateWirelessStatusIndicatorSprite(0,  0);
+        sub_8022730(var0);
+        SetGpuReg(REG_OFFSET_BG1VOFS, -gSpriteCoordOffsetY);
+        ChangeBgX(1, 0, 0);
+        ChangeBgY(1, 0, 0);
+        break;
+    case 9:
+        gPaletteFade.bufferTransferDisabled = 0;
+        BlendPalettes(0xFFFFFFFF, 16, RGB_BLACK);
+        ShowBg(0);
+        ShowBg(1);
+        ShowBg(2);
+        ShowBg(3);
+        SetGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+        sub_8020E3C();
+        var0->unkC = 0;
+        return 1;
+    }
+
+    var0->unkC++;
+    return 0;
+}
+
+int sub_802130C(void)
+{
+    struct BerryCrushGame *var0 = sub_8020C00();
+    if (!var0)
+        return -1;
+
+    switch (var0->unkC)
+    {
+    case 0:
+        sub_8010434();
+        break;
+    case 1:
+        if (!IsLinkTaskFinished())
+            return 0;
+        // fall through. The original author forgot to use "break" here
+        // because this will call BeginNormalPaletteFade() twice.
+    case 2:
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, RGB_BLACK);
+        UpdatePaletteFade();
+        break;
+    case 3:
+        if (UpdatePaletteFade())
+            return 0;
+        break;
+    case 4:
+        FillBgTilemapBufferRect_Palette0(0, 0, 0, 0, 32, 32);
+        FillBgTilemapBufferRect_Palette0(1, 0, 0, 0, 32, 32);
+        FillBgTilemapBufferRect_Palette0(2, 0, 0, 0, 32, 32);
+        FillBgTilemapBufferRect_Palette0(3, 0, 0, 0, 32, 32);
+        CopyBgTilemapBufferToVram(0);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(2);
+        CopyBgTilemapBufferToVram(3);
+        break;
+    case 5:
+        FreeAllWindowBuffers();
+        HideBg(0);
+        UnsetBgTilemapBuffer(0);
+        HideBg(1);
+        UnsetBgTilemapBuffer(1);
+        HideBg(2);
+        UnsetBgTilemapBuffer(2);
+        HideBg(3);
+        UnsetBgTilemapBuffer(3);
+        ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+        break;
+    case 6:
+        sub_800E084();
+        sub_8022960(var0);
+        sub_8034CC8();
+        break;
+    case 7:
+        var0->unkC = 0;
+        return 1;
+    }
+
+    var0->unkC++;
+    return 0;
+}
+
+static int sub_8021450(struct BerryCrushGame *arg0)
+{
+    gSpriteCoordOffsetY = arg0->unk2A + arg0->unk2C;
+    SetGpuReg(REG_OFFSET_BG1VOFS, -gSpriteCoordOffsetY);
+    if (arg0->unk12 == 7)
+    {
+        sub_8022524(&arg0->unk138, arg0->unk28);
+    }
+
+    return 0;
+}
+
+void sub_8021488(struct BerryCrushGame *arg0)
+{
+    arg0->unk2A = -104;
+    arg0->unk2C = 0;
+    gSpriteCoordOffsetX = 0;
+    gSpriteCoordOffsetY = -104;
+}
+
+void sub_80214A8(struct BerryCrushGame *arg0, struct BerryCrushGame_138 *arg1)
+{
+    u8 i;
+    u8 spriteId;
+    s16 var0, var1;
+    s16 *data;
+    int var3;
+    s16 var5;
+    u32 var6;
+
+    for (i = 0; i < arg0->unk9; i++)
+    {
+        spriteId = AddCustomItemIconSprite(
+            &gUnknown_082F436C,
+            gUnknown_082F41E8[i],
+            gUnknown_082F41E8[i],
+            arg0->unk84.separate.others[i].unk0 + 133);
+        arg1->unk38[i] = &gSprites[spriteId];
+        arg1->unk38[i]->oam.priority = 3;
+        arg1->unk38[i]->affineAnimPaused = 1;
+        arg1->unk38[i]->pos1.x = arg1->unkC[i]->unk8 + 120;
+        arg1->unk38[i]->pos1.y = -16;
+        data = arg1->unk38[i]->data;
+        var5 = 512;
+        data[1] = var5;
+        data[2] = 32;
+        data[7] = 112;
+        var0 = arg1->unkC[i]->unkA - arg1->unkC[i]->unk8;
+        var3 = var0;
+        if (var0 < 0)
+            var3 += 3;
+
+        data[6] = var3 >> 2;
+        var0 *= 128;
+        var6 = var5 + 32;
+        var6 = var6 / 2;
+        var1 = sub_81515D4(7, 0x3F80, var6);
+        data[0] = (u16)arg1->unk38[i]->pos1.x * 128;
+        data[3] = sub_81515D4(7, var0, var1);
+        var1 = sub_8151550(7, var1, 85);
+        data[4] = 0;
+        data[5] = sub_81515D4(7, 0x3F80, var1);
+        data[7] |= 0x8000;
+        if (arg1->unkC[i]->unk8 < 0)
+            StartSpriteAffineAnim(arg1->unk38[i], 1);
+    }
+}
+
+void sub_8021608(struct Sprite *sprite)
+{
+    s16 *data = sprite->data;
+
+    data[1] += data[2];
+    sprite->pos2.y += data[1] >> 8;
+    if (data[7] & 0x8000)
+    {
+        sprite->data[0] += data[3];
+        data[4] += data[5];
+        sprite->pos2.x = Sin(data[4] >> 7, data[6]);
+        if ((data[7] & 0x8000) && (data[4] >> 7) > 126)
+        {
+            sprite->pos2.x = 0;
+            data[7] &= 0x7FFF;
+        }
+    }
+
+    sprite->pos1.x = data[0] >> 7;
+    if (sprite->pos1.y + sprite->pos2.y >= (data[7] & 0x7FFF))
+    {
+        sprite->callback = SpriteCallbackDummy;
+        FreeSpriteOamMatrix(sprite);
+        DestroySprite(sprite);
+    }
+}
+
+void sub_80216A8(struct BerryCrushGame *arg0)
+{
+    u8 i;
+    for (i = 0; i < arg0->unk9; i++)
+    {
+        FreeSpritePaletteByTag(gUnknown_082F41E8[i]);
+        FreeSpriteTilesByTag(gUnknown_082F41E8[i]);
+    }
+}
+
+// void sub_80216E0(struct BerryCrushGame *arg0, struct BerryCrushGame_138 *arg1)
+// {
+//     u8 sp4;
+//     struct BerryCrushGame_4E *var4E;
+//     u8 i;
+//     u16 var0;
+
+//     sp4 = 0;
+//     var4E = &arg0->unk40.unkE;
+//     for (i = 0; i < arg0->unk9; i++)
+//     {
+//         var0 = var4E->unkA >> (i * 3);
+//         var0 &= 7;
+//         if (var0)
+//         {
+//             int offset;
+//             sp4++;
+//             if (var0 & 0x4)
+//                 StartSpriteAnim(arg1->unk24[i], 1);
+//             else
+//                 StartSpriteAnim(arg1->unk24[i], 0);
+
+//             arg1->unk24[i]->invisible = 0;
+//             arg1->unk24[i]->animPaused = 0;
+//             offset = (var0 % 4) - 1;
+//             arg1->unk24[i]->pos2.x = gUnknown_082F41CC[offset][0];
+//             arg1->unk24[i]->pos2.y = gUnknown_082F41CC[offset][1];
+//         }
+//     }
+
+//     if (sp4 == 0)
+//     {
+//         arg0->unk25_2 = 0;
+//     }
+//     else
+//     {
+//         u8 var3 = arg0->unk28 % 3;
+//         u16 var2 = var3;
+//         for (i = 0; i < var4E->unkC * 2 + 3; i++)
+//         {
+//             if (arg1->unk4C[i]->invisible)
+//             {
+//                 arg1->unk4C[i]->callback = sub_8022B28;
+//                 arg1->unk4C[i]->pos1.x = gUnknown_082F41D2[i][0] + 120;
+//                 arg1->unk4C[i]->pos1.y = gUnknown_082F41D2[i][1] + (136 - var2 * 4);
+//                 arg1->unk4C[i]->pos2.x = gUnknown_082F41D2[i][0] / (var3 * 4);
+//                 arg1->unk4C[i]->pos2.y = gUnknown_082F41D2[i][1];
+//                 if (var4E->unk4 & 0x2)
+//                     StartSpriteAnim(arg1->unk4C[i], 1);
+//                 else
+//                     StartSpriteAnim(arg1->unk4C[i], 0);
+
+//                 var2++;
+//                 if (var2 > 3)
+//                     var2 = 0;
+//             }
+//         }
+
+//         if (arg0->unk25_2)
+//         {
+//             arg0->unk25_2 = 0;
+//         }
+//         else
+//         {
+//             if (sp4 == 1)
+//                 PlaySE(SE_TOY_DANGO);
+//             else
+//                 PlaySE(SE_TOY_KABE);
+
+//             arg0->unk25_2 = 1;
+//         }
+//     }
+// }
diff --git a/src/item_icon.c b/src/item_icon.c
index 7bf1a29ca..91c32951a 100644
--- a/src/item_icon.c
+++ b/src/item_icon.c
@@ -122,7 +122,7 @@ u8 AddItemIconSprite(u16 tilesTag, u16 paletteTag, u16 itemId)
     }
 }
 
-u8 AddCustomItemIconSprite(struct SpriteTemplate *customSpriteTemplate, u16 tilesTag, u16 paletteTag, u16 itemId)
+u8 AddCustomItemIconSprite(const struct SpriteTemplate *customSpriteTemplate, u16 tilesTag, u16 paletteTag, u16 itemId)
 {
     if (!AllocItemIconTemporaryBuffers())
     {
diff --git a/src/menu_specialized.c b/src/menu_specialized.c
index 3dadc7f80..f21f4e51a 100644
--- a/src/menu_specialized.c
+++ b/src/menu_specialized.c
@@ -2,7 +2,10 @@
 #include "alloc.h"
 #include "battle_main.h"
 #include "contest_effect.h"
+#include "data2.h"
+#include "decompress.h"
 #include "gpu_regs.h"
+#include "graphics.h"
 #include "menu.h"
 #include "international_string_util.h"
 #include "menu.h"
@@ -11,16 +14,21 @@
 #include "palette.h"
 #include "player_pc.h"
 #include "pokemon_summary_screen.h"
+#include "pokemon_storage_system.h"
 #include "scanline_effect.h"
 #include "sound.h"
 #include "strings.h"
 #include "string_util.h"
+#include "text.h"
 #include "text_window.h"
 #include "trig.h"
 #include "window.h"
 #include "constants/songs.h"
+#include "constants/species.h"
 #include "gba/io_reg.h"
 
+extern const struct CompressedSpriteSheet gMonFrontPicTable[];
+
 EWRAM_DATA static u8 sUnknown_0203CF48[3] = {0};
 EWRAM_DATA static struct ListMenuItem *sUnknown_0203CF4C = NULL;
 
@@ -29,6 +37,9 @@ static void sub_81D24A4(struct UnknownStruct_81D1ED4 *a0);
 static void sub_81D2634(struct UnknownStruct_81D1ED4 *a0);
 static void MoveRelearnerCursorCallback(s32 itemIndex, bool8 onInit, struct ListMenu *list);
 static void nullsub_79(void);
+static void sub_81D3408(struct Sprite *sprite);
+/*static*/ void sub_81D3564(struct Sprite *sprite);
+static void sub_81D35E8(struct Sprite *sprite);
 
 static const struct WindowTemplate sUnknown_086253E8[] =
 {
@@ -1075,3 +1086,556 @@ void MoveRelearnerCreateYesNoMenu(void)
 {
     CreateYesNoMenu(&sMoveRelearnerYesNoMenuTemplate, 1, 0xE, 0);
 }
+
+s32 GetBoxOrPartyMonData(u16 boxId, u16 monId, s32 request, u8 *dst)
+{
+    s32 ret;
+
+    if (boxId == TOTAL_BOXES_COUNT) // Party mon.
+    {
+        if (request == MON_DATA_NICKNAME || request == MON_DATA_OT_NAME)
+            ret = GetMonData(&gPlayerParty[monId], request, dst);
+        else
+            ret = GetMonData(&gPlayerParty[monId], request);
+    }
+    else
+    {
+        if (request == MON_DATA_NICKNAME || request == MON_DATA_OT_NAME)
+            ret = GetAndCopyBoxMonDataAt(boxId, monId, request, dst);
+        else
+            ret = GetBoxMonDataAt(boxId, monId, request);
+    }
+
+    return ret;
+}
+
+static u8 *sub_81D2CD0(u8 *dst, u16 boxId, u16 monId)
+{
+    u16 species, level, gender;
+    struct BoxPokemon *boxMon;
+    u8 *str;
+
+    *(dst++) = EXT_CTRL_CODE_BEGIN;
+    *(dst++) = 4;
+    *(dst++) = 8;
+    *(dst++) = 0;
+    *(dst++) = 9;
+    if (GetBoxOrPartyMonData(boxId, monId, MON_DATA_IS_EGG, NULL))
+    {
+        return StringCopyPadded(dst, gText_EggNickname, 0, 12);
+    }
+    else
+    {
+        GetBoxOrPartyMonData(boxId, monId, MON_DATA_NICKNAME, dst);
+        StringGetEnd10(dst);
+        species = GetBoxOrPartyMonData(boxId, monId, MON_DATA_SPECIES, NULL);
+        if (boxId == TOTAL_BOXES_COUNT) // Party mon.
+        {
+            level = GetMonData(&gPlayerParty[monId], MON_DATA_LEVEL);
+            gender = GetMonGender(&gPlayerParty[monId]);
+        }
+        else
+        {
+            // Needed to match, feel free to remove.
+            boxId++;boxId--;
+            monId++;monId--;
+
+            boxMon = GetBoxedMonPtr(boxId, monId);
+            gender = GetBoxMonGender(boxMon);
+            level = GetLevelFromBoxMonExp(boxMon);
+        }
+
+        if ((species == SPECIES_NIDORAN_F || species == SPECIES_NIDORAN_M) && !StringCompare(dst, gSpeciesNames[species]))
+            gender = MON_GENDERLESS;
+
+        for (str = dst; *str != EOS; str++)
+            ;
+
+        *(str++) = EXT_CTRL_CODE_BEGIN;
+        *(str++) = 0x12;
+        *(str++) = 0x3C;
+
+        switch (gender)
+        {
+        default:
+            *(str++) = CHAR_SPACE;
+            break;
+        case MON_MALE:
+            *(str++) = EXT_CTRL_CODE_BEGIN;
+            *(str++) = EXT_CTRL_CODE_COLOR;
+            *(str++) = 4;
+            *(str++) = EXT_CTRL_CODE_BEGIN;
+            *(str++) = 3;
+            *(str++) = 5;
+            *(str++) = CHAR_MALE;
+            break;
+        case MON_FEMALE:
+            *(str++) = EXT_CTRL_CODE_BEGIN;
+            *(str++) = EXT_CTRL_CODE_COLOR;
+            *(str++) = 6;
+            *(str++) = EXT_CTRL_CODE_BEGIN;
+            *(str++) = 3;
+            *(str++) = 7;
+            *(str++) = CHAR_FEMALE;
+            break;
+        }
+
+        *(str++) = EXT_CTRL_CODE_BEGIN;
+        *(str++) = 4;
+        *(str++) = 8;
+        *(str++) = 0;
+        *(str++) = 9;
+        *(str++) = CHAR_SLASH;
+        *(str++) = CHAR_SPECIAL_F9;
+        *(str++) = 5;
+        str = ConvertIntToDecimalStringN(str, level, STR_CONV_MODE_LEFT_ALIGN, 3);
+        *(str++) = CHAR_SPACE;
+        *str = EOS;
+
+        return str;
+    }
+}
+
+static u8 *sub_81D2E7C(u8 *dst, const u8 *src, s16 n)
+{
+    while (*src != EOS)
+    {
+        *(dst++) = *(src++);
+        n--;
+    }
+    while (n-- > 0)
+        *(dst++) = CHAR_SPACE;
+
+    *dst = EOS;
+    return dst;
+}
+
+void sub_81D2ED4(u8 *dst, u8 *nameDst, u16 boxId, u16 monId, u16 arg5, u16 arg6, bool8 arg7)
+{
+    u16 i;
+
+    if (!arg7)
+        arg6--;
+
+    if (arg5 != arg6)
+    {
+        sub_81D2CD0(nameDst, boxId, monId);
+        dst[0] = EXT_CTRL_CODE_BEGIN;
+        dst[1] = 4;
+        dst[2] = 8;
+        dst[3] = 0;
+        dst[4] = 9;
+        if (boxId == TOTAL_BOXES_COUNT) // Party mon.
+        {
+            sub_81D2E7C(dst + 5, gText_InParty, 8);
+        }
+        else
+        {
+            boxId++;boxId--; // Again...Someone fix this maybe?
+            sub_81D2E7C(dst + 5, GetBoxNamePtr(boxId), 8);
+        }
+    }
+    else
+    {
+        for (i = 0; i < 12; i++)
+            nameDst[i] = CHAR_SPACE;
+        nameDst[i] = EOS;
+        for (i = 0; i < 8; i++)
+            dst[i] = CHAR_SPACE;
+        dst[i] = EOS;
+    }
+}
+
+void sub_81D2F78(struct UnknownStruct_81D1ED4 *arg0, u8 *sheen, u16 boxId, u16 monId, u16 arg5, u16 id, u16 arg7, bool8 arg8)
+{
+    u16 i;
+
+    if (!arg8)
+        arg7--;
+
+    if (arg5 != arg7)
+    {
+        arg0->unk0[id][0] = GetBoxOrPartyMonData(boxId, monId, MON_DATA_COOL, NULL);
+        arg0->unk0[id][1] = GetBoxOrPartyMonData(boxId, monId, MON_DATA_TOUGH, NULL);
+        arg0->unk0[id][2] = GetBoxOrPartyMonData(boxId, monId, MON_DATA_SMART, NULL);
+        arg0->unk0[id][3] = GetBoxOrPartyMonData(boxId, monId, MON_DATA_CUTE, NULL);
+        arg0->unk0[id][4] = GetBoxOrPartyMonData(boxId, monId, MON_DATA_BEAUTY, NULL);
+
+        sheen[id] = (GetBoxOrPartyMonData(boxId, monId, MON_DATA_SHEEN, NULL) != 0xFF)
+                 ? GetBoxOrPartyMonData(boxId, monId, MON_DATA_SHEEN, NULL) / 29u
+                 : 9;
+
+        sub_81D2754(arg0->unk0[id], arg0->unk14[id]);
+    }
+    else
+    {
+        for (i = 0; i < 5; i++)
+        {
+            arg0->unk0[id][i] = 0;
+            arg0->unk14[id][i].unk0 = 155;
+            arg0->unk14[id][i].unk2 = 91;
+        }
+    }
+}
+
+void sub_81D3094(void *tilesDst, void *palDst, u16 boxId, u16 monId, u16 arg5, u16 arg6, bool8 arg7)
+{
+    if (!arg7)
+        arg6--;
+
+    if (arg5 != arg6)
+    {
+        u16 species = GetBoxOrPartyMonData(boxId, monId, MON_DATA_SPECIES2, NULL);
+        u32 trainerId = GetBoxOrPartyMonData(boxId, monId, MON_DATA_OT_ID, NULL);
+        u32 personality = GetBoxOrPartyMonData(boxId, monId, MON_DATA_PERSONALITY, NULL);
+
+        LoadSpecialPokePic(&gMonFrontPicTable[species], tilesDst, species, personality, TRUE);
+        LZ77UnCompWram(GetFrontSpritePalFromSpeciesAndPersonality(species, trainerId, personality), palDst);
+    }
+}
+
+bool8 sub_81D312C(s16 *var)
+{
+    *var += 24;
+    if (*var > 0)
+        *var = 0;
+
+    return (*var != 0);
+}
+
+bool8 sub_81D3150(s16 *var)
+{
+    *var -= 24;
+    if (*var < -80)
+        *var = -80;
+
+    return (*var != -80);
+}
+
+bool8 sub_81D3178(struct UnknownStruct_81D1ED4 *arg0, s16 *arg1)
+{
+    bool8 var1 = sub_81D2074(arg0);
+    bool8 var2 = sub_81D312C(arg1);
+
+    return ((var1 != 0) || (var2 != 0));
+}
+
+bool8 sub_81D31A4(struct UnknownStruct_81D1ED4 *arg0, s16 *arg1)
+{
+    bool8 var1 = sub_81D2074(arg0);
+    bool8 var2 = sub_81D3150(arg1);
+
+    return ((var1 != 0) || (var2 != 0));
+}
+
+static const u32 gUnknown_08625560[] = INCBIN_U32("graphics/pokenav/pokeball.4bpp");
+static const u32 gUnknown_08625660[] = INCBIN_U32("graphics/pokenav/pokeball_placeholder.4bpp");
+static const u16 gUnknown_08625680[] = INCBIN_U16("graphics/pokenav/sparkle.gbapal");
+static const u32 gUnknown_086256A0[] = INCBIN_U32("graphics/pokenav/sparkle.4bpp");
+
+static const struct OamData sOamData_8625A20 =
+{
+    .y = 0,
+    .affineMode = 0,
+    .objMode = 0,
+    .mosaic = 0,
+    .bpp = 0,
+    .shape = 0,
+    .x = 0,
+    .matrixNum = 0,
+    .size = 3,
+    .tileNum = 0,
+    .priority = 1,
+    .paletteNum = 0,
+    .affineParam = 0
+};
+
+static const struct OamData sOamData_8625A28 =
+{
+    .y = 0,
+    .affineMode = 0,
+    .objMode = 0,
+    .mosaic = 0,
+    .bpp = 0,
+    .shape = 0,
+    .x = 0,
+    .matrixNum = 0,
+    .size = 1,
+    .tileNum = 0,
+    .priority = 2,
+    .paletteNum = 0,
+    .affineParam = 0
+};
+
+static const union AnimCmd sSpriteAnim_8625A30[] =
+{
+    ANIMCMD_FRAME(0, 5),
+    ANIMCMD_END
+};
+
+static const union AnimCmd sSpriteAnim_8625A38[] =
+{
+    ANIMCMD_FRAME(4, 5),
+    ANIMCMD_END
+};
+
+static const union AnimCmd *const sSpriteAnimTable_8625A40[] =
+{
+    sSpriteAnim_8625A30,
+    sSpriteAnim_8625A38
+};
+
+void sub_81D31D0(struct SpriteSheet *sheet, struct SpriteTemplate *template, struct SpritePalette *pal)
+{
+    struct SpriteSheet dataSheet = {NULL, 0x800, 100};
+
+    struct SpriteTemplate dataTemplate =
+    {
+        .tileTag = 100,
+        .paletteTag = 100,
+        .oam = &sOamData_8625A20,
+        .anims = gDummySpriteAnimTable,
+        .images = NULL,
+        .affineAnims = gDummySpriteAffineAnimTable,
+        .callback = SpriteCallbackDummy,
+    };
+
+    struct SpritePalette dataPal = {NULL, 100};
+
+    *sheet = dataSheet;
+    *template = dataTemplate;
+    *pal = dataPal;
+}
+
+void sub_81D321C(struct SpriteSheet *sheets, struct SpriteTemplate * template, struct SpritePalette *pals)
+{
+    u8 i;
+
+    struct SpriteSheet dataSheets[] =
+    {
+        {gUnknown_08625560, 0x100, 101},
+        {gUnknown_08625660, 0x20, 103},
+        {gPokenavConditionCancel_Gfx, 0x100, 102},
+        {},
+    };
+
+    struct SpritePalette dataPals[] =
+    {
+        {gPokenavConditionCancel_Pal, 101},
+        {gPokenavConditionCancel_Pal + 16, 102},
+        {},
+    };
+
+    struct SpriteTemplate dataTemplate =
+    {
+        .tileTag = 101,
+        .paletteTag = 101,
+        .oam = &sOamData_8625A28,
+        .anims = sSpriteAnimTable_8625A40,
+        .images = NULL,
+        .affineAnims = gDummySpriteAffineAnimTable,
+        .callback = SpriteCallbackDummy,
+    };
+
+    for (i = 0; i < ARRAY_COUNT(dataSheets); i++)
+        *(sheets++) = dataSheets[i];
+
+    *template = dataTemplate;
+
+    for (i = 0; i < ARRAY_COUNT(dataPals); i++)
+        *(pals++) = dataPals[i];
+}
+
+void sub_81D32B0(struct SpriteSheet *sheet, struct SpritePalette *pal)
+{
+    struct SpriteSheet dataSheet = {gUnknown_086256A0, 0x380, 104};
+    struct SpritePalette dataPal = {gUnknown_08625680, 104};
+
+    *sheet = dataSheet;
+    *pal = dataPal;
+}
+
+static void sub_81D32D4(struct Sprite *sprite)
+{
+    if (++sprite->data[1] > 60)
+    {
+        sprite->data[1] = 0;
+        sub_81D3408(sprite);
+    }
+}
+
+static void sub_81D32F4(struct Sprite *sprite)
+{
+    if (sprite->animEnded)
+    {
+        sprite->data[1] = 0;
+        sprite->callback = sub_81D32D4;
+    }
+}
+
+// Todo: Move these variables to C.
+extern const s16 gUnknown_08625B2C[][2];
+extern const struct SpriteTemplate gUnknown_08625B14;
+
+void sub_81D3314(struct Sprite *sprite)
+{
+    struct Sprite *sprite2 = &gSprites[sprite->data[4]];
+
+    if (sprite2 != NULL)
+    {
+        sprite->pos1.x = sprite2->pos1.x + sprite2->pos2.x + gUnknown_08625B2C[sprite->data[0]][0];
+        sprite->pos1.y = sprite2->pos1.y + sprite2->pos2.y + gUnknown_08625B2C[sprite->data[0]][1];
+    }
+    else
+    {
+        sprite->pos1.x = gUnknown_08625B2C[sprite->data[0]][0] + 40;
+        sprite->pos1.y = gUnknown_08625B2C[sprite->data[0]][1] + 104;
+    }
+}
+
+void sub_81D338C(u8 arg0, u8 arg1, struct Sprite **sprites)
+{
+    u16 i;
+
+    for (i = 0; i < 10; i++)
+    {
+        if (sprites[i] != NULL)
+        {
+            sprites[i]->data[0] = i;
+            sprites[i]->data[1] = (i * 16) + 1;
+            sprites[i]->data[2] = arg0;
+            sprites[i]->data[3] = i;
+            if (arg1 == 0 || arg0 != 9)
+            {
+                sprites[i]->callback = sub_81D3564;
+            }
+            else
+            {
+                sub_81D3314(sprites[i]);
+                sub_81D35E8(sprites[i]);
+                sprites[i]->callback = sub_81D32F4;
+                sprites[i]->invisible = FALSE;
+            }
+        }
+    }
+}
+
+static void sub_81D3408(struct Sprite *sprite)
+{
+    u16 i;
+    u8 id = sprite->data[5];
+
+    for (i = 0; i < sprite->data[2] + 1; i++)
+    {
+        gSprites[id].data[1] = (gSprites[id].data[0] * 16) + 1;
+        gSprites[id].callback = sub_81D3564;
+        id = gSprites[id].data[5];
+    }
+}
+
+void sub_81D3464(struct Sprite **sprites)
+{
+    u8 i;
+
+    for (i = 0; i < 10; i++)
+        sprites[i] = NULL;
+}
+
+void sub_81D3480(struct Sprite **sprites, u8 arg1, u8 arg2)
+{
+    u16 i, spriteId, firstSpriteId = 0;
+    u8 count = arg2;
+
+    for (i = 0; i < count + 1; i++)
+    {
+        spriteId = CreateSprite(&gUnknown_08625B14, 0, 0, 0);
+        if (spriteId != MAX_SPRITES)
+        {
+            sprites[i] = &gSprites[spriteId];
+            sprites[i]->invisible = TRUE;
+            sprites[i]->data[4] = arg1;
+            if (i != 0)
+                sprites[i - 1]->data[5] = spriteId;
+            else
+                firstSpriteId = spriteId;
+        }
+        else
+        {
+            break;
+        }
+    }
+
+    sprites[count]->data[5] = firstSpriteId;
+    sub_81D338C(count, 1, sprites);
+}
+
+void sub_81D3520(struct Sprite **sprites)
+{
+    u16 i;
+
+    for (i = 0; i < 10; i++)
+    {
+        if (sprites[i] != NULL)
+        {
+            DestroySprite(sprites[i]);
+            sprites[i] = NULL;
+        }
+        else
+        {
+            break;
+        }
+    }
+}
+
+void sub_81D354C(struct Sprite **sprites)
+{
+    sub_81D3520(sprites);
+    FreeSpriteTilesByTag(104);
+    FreeSpritePaletteByTag(104);
+}
+
+/*static*/ void sub_81D3564(struct Sprite *sprite)
+{
+    if (sprite->data[1] != 0)
+    {
+        if (--sprite->data[1] != 0)
+            return;
+
+        SeekSpriteAnim(sprite, 0);
+        sprite->invisible = FALSE;
+    }
+
+    sub_81D3314(sprite);
+    if (sprite->animEnded)
+    {
+        sprite->invisible = TRUE;
+        if (sprite->data[3] == sprite->data[2])
+        {
+            if (sprite->data[3] == 9)
+            {
+                sub_81D35E8(sprite);
+                sprite->callback = sub_81D32F4;
+            }
+            else
+            {
+                sprite->callback = sub_81D32D4;
+            }
+        }
+        else
+        {
+            sprite->callback = SpriteCallbackDummy;
+        }
+    }
+}
+
+static void sub_81D35E8(struct Sprite *sprite)
+{
+    u8 i, id = sprite->data[5];
+
+    for (i = 0; i < sprite->data[2] + 1; i++)
+    {
+        SeekSpriteAnim(&gSprites[id], 0);
+        gSprites[id].invisible = FALSE;
+        id = gSprites[id].data[5];
+    }
+}
diff --git a/src/union_room.c b/src/union_room.c
index a623527ec..df0137379 100644
--- a/src/union_room.c
+++ b/src/union_room.c
@@ -44,6 +44,7 @@
 #include "easy_chat.h"
 #include "event_obj_lock.h"
 #include "union_room_chat.h"
+#include "berry_crush.h"
 
 EWRAM_DATA u8 gUnknown_02022C20[12] = {};
 EWRAM_DATA u8 gUnknown_02022C2C = 0;
@@ -98,7 +99,6 @@ void sub_801807C(struct TradeUnkStruct *arg0);
 void sub_801AC54(void);
 void sub_802A9A8(u8 monId, MainCallback callback);
 void sub_802493C(u8 monId, MainCallback callback);
-void sub_8020C70(MainCallback callback);
 void sub_80149D8(void);
 u16 sub_8019930(void);
 void sub_8018784(u8 windowId);
diff --git a/src/use_pokeblock.c b/src/use_pokeblock.c
index 9b02eeb72..6df826214 100644
--- a/src/use_pokeblock.c
+++ b/src/use_pokeblock.c
@@ -27,7 +27,7 @@ struct UsePokeblockSubStruct
     /*0x00*/ void (*field_0)(void);
     /*0x04*/ void (*callback)(void);
     /*0x08*/ struct Pokeblock *pokeblock;
-    /*0x0C*/ struct Pokemon *pokemon;
+    /*0x0C*/ struct Pokemon *mon;
     /*0x10*/ u8 stringBuffer[0x40];
     /*0x50*/ u8 field_50;
     /*0x51*/ u8 field_51;
@@ -57,16 +57,21 @@ struct Unk7FB8
 
 struct UsePokeblockStruct
 {
-    /*0x0000*/ u8 field_0[0x7B06];
+    /*0x0000*/ u8 filler0[4];
+    /*0x0000*/ u16 field_4[6][0x40];
+    /*0x0304*/ u8 field_304[3][0x2000];
+    /*0x6304*/ u8 filler_6304[0x1000];
+    /*0x7304*/ u8 tilemapBuffer[BG_SCREEN_SIZE + 2];
     /*0x7B06*/ u8 field_7B06[7];
-    /*0x7B0E*/ u16 field_7B0E;
+    /*0x7B0E*/ s16 field_7B0E;
     /*0x7B10*/ u8 field_7B10;
-    /*0x7B11*/ u8 field_7B11[0xB];
+    /*0x7B12*/ u16 field_7B12;
+    /*0x7B12*/ u16 field_7B14;
+    /*0x7B12*/ u8 *field_7B18;
     /*0x7B1C*/ struct Sprite *field_7B1C[10];
     /*0x7B44*/ struct Sprite *field_7B44[2];
     /*0x7B4C*/ u8 field_7B4C;
-    /*0x7B4D*/ u8 filler7B4D[0x47];
-    /*0x7B94*/ u8 filler7B94;
+    /*0x7B4D*/ u8 field_7B4D[3][24];
     /*0x7B95*/ u8 field_7B95[3][64];
     /*0x7C58*/ struct UnknownStruct_81D1ED4 field_7C58;
     /*0x7FB0*/ u8 unk7FB0[3];
@@ -80,6 +85,8 @@ struct UsePokeblockStruct
 
 extern u16 gKeyRepeatStartDelay;
 
+extern void sub_81D21DC(u8);
+
 // this file's functions
 void sub_816636C(void (*func)(void));
 void sub_8166380(void);
@@ -100,7 +107,7 @@ static void sub_8167CA0(bool8);
 void sub_8166BEC(void);
 void sub_8166D44(void);
 s8 sub_8166DE4(void);
-bool8 sub_8167268(void);
+bool8 IsSheenMaxed(void);
 void sub_8166F50(void);
 void sub_816681C(void);
 void sub_8166F94(void);
@@ -111,25 +118,18 @@ void sub_8167338(void);
 void sub_81681F4(u8);
 void sub_8166E24(void);
 bool8 sub_8166EDC(void);
-void Pokeblock_BufferEnhancedStatText(u8 *dest, u8 statID, s16 a2);
+void Pokeblock_BufferEnhancedStatText(u8 *dest, u8 statId, s16 a2);
 void Pokeblock_MenuWindowTextPrint(const u8 *message);
 void sub_8167184(struct Pokeblock *, struct Pokemon *);
-extern u32 sub_81D2C68(s32, s32, s32, u8 *);
 void sub_81673DC(struct Sprite *sprite);
 void sub_81674BC(void);
 void sub_816753C(s16, u8);
 static u8 sub_8167EA4(void);
 static u8 sub_8167FA4(void);
 static u8 sub_8168048(void);
-extern void sub_81D2ED4(u8, u8, u16, u8, u8, u8, u8);
-extern void sub_81D2F78(u8, u8, s16, u16, u8, u8, u8, u8);
-extern void sub_81D3094(u8, u8, s16, u16, u8, u8, u8);
-extern void sub_81D31D0(struct SpritePalette *, struct SpritePalette *, struct SpritePalette *);
-extern void sub_81D321C(struct SpriteSheet *, struct SpriteTemplate *, struct SpritePalette*);
 void sub_8168180(struct Sprite *sprite);
 void sub_81681B4(struct Sprite *sprite);
-extern void sub_81D32B0(struct SpriteSheet *, struct SpritePalette*);
-extern void sub_81D21DC(u8);
+void sub_8168168(struct Sprite *sprite);
 
 extern const struct BgTemplate gUnknown_085DFCCC[4];
 extern const struct WindowTemplate gUnknown_085DFCDC[];
@@ -160,9 +160,9 @@ EWRAM_DATA void (*gUnknown_0203BC94)(void) = NULL;
 EWRAM_DATA struct Pokeblock *gUnknown_0203BC98 = NULL;
 EWRAM_DATA u8 gPokeblockMonId = 0;
 EWRAM_DATA s16 gPokeblockGain = 0;
-EWRAM_DATA void *gUnknown_0203BCA0 = NULL;
-EWRAM_DATA void *gUnknown_0203BCA4 = NULL;
-EWRAM_DATA void *gUnknown_0203BCA8 = NULL;
+EWRAM_DATA u8 *gUnknown_0203BCA0 = NULL;
+EWRAM_DATA u8 *gUnknown_0203BCA4 = NULL;
+EWRAM_DATA u8 *gUnknown_0203BCA8 = NULL;
 EWRAM_DATA struct UsePokeblockStruct *gUnknown_0203BCAC = NULL;
 
 // const rom data
@@ -349,8 +349,9 @@ void sub_8166564(void)
 }
 
 void sub_8166634(void)
-{    
+{
     u8 var;
+
     switch (gUnknown_0203BC90->field_50)
     {
     case 0:
@@ -384,9 +385,9 @@ void sub_8166634(void)
         break;
     case 1:
         var = gUnknown_0203BCAC->info.unk74();
-        if(!var)
+        if (!var)
             gUnknown_0203BC90->field_50 = var;
-       break;
+        break;
     case 2:
         break;
     case 3:
@@ -406,7 +407,7 @@ void sub_8166634(void)
             gUnknown_0203BC90->field_50 = 0;
             break;
         case 0:
-            if (sub_8167268())
+            if (IsSheenMaxed())
             {
                 sub_8166F50();
                 gUnknown_0203BC90->field_50 = 7;
@@ -443,14 +444,10 @@ void sub_816681C(void)
         if (!gPaletteFade.active)
         {
             SetVBlankCallback(NULL);
-            Free(gUnknown_0203BCA0);
-            gUnknown_0203BCA0 = NULL;
-            Free(gUnknown_0203BCA4);
-            gUnknown_0203BCA4 = NULL;
-            Free(gUnknown_0203BCA8);
-            gUnknown_0203BCA8 = NULL;
-            Free(gUnknown_0203BCAC);
-            gUnknown_0203BCAC = NULL;
+            FREE_AND_SET_NULL(gUnknown_0203BCA0);
+            FREE_AND_SET_NULL(gUnknown_0203BCA4);
+            FREE_AND_SET_NULL(gUnknown_0203BCA8);
+            FREE_AND_SET_NULL(gUnknown_0203BCAC);
             FreeAllWindowBuffers();
             gMain.savedCallback = CB2_ReturnAndChooseMonToGivePokeblock;
             CB2_PreparePokeblockFeedScene();
@@ -462,6 +459,7 @@ void sub_816681C(void)
 void sub_81668F8(void)
 {
     u16 var;
+
     switch (gUnknown_0203BC90->field_50)
     {
     case 0:
@@ -511,65 +509,65 @@ void sub_81668F8(void)
 
 void sub_8166A34(void)
 {
+    u8 var;
+
     switch (gUnknown_0203BC90->field_50)
     {
-        u8 var;
-        case 0:
-            gUnknown_0203BC90->pokemon = gPlayerParty;
-            gUnknown_0203BC90->pokemon += gUnknown_0203BCAC->field_7FB8[gUnknown_0203BCAC->info.field_71].unk1;
-            sub_81D3520(gUnknown_0203BCAC->field_7B1C);
-            gUnknown_0203BC90->field_50++;
-            break;
-        case 1:
-            if (gMain.newKeys & (A_BUTTON | B_BUTTON))
-                gUnknown_0203BC90->field_50++;
-            break;
-        case 2:
-            sub_8167104();
-            sub_81D2754(gUnknown_0203BC90->field_5c, gUnknown_0203BCAC->field_7C58.unk14[3]);
-            sub_81D1F84(&gUnknown_0203BCAC->field_7C58, gUnknown_0203BCAC->field_7C58.unk14[gUnknown_0203BCAC->field_7FB3], gUnknown_0203BCAC->field_7C58.unk14[3]);
-            sub_8167338();
+    case 0:
+        gUnknown_0203BC90->mon = gPlayerParty;
+        gUnknown_0203BC90->mon += gUnknown_0203BCAC->field_7FB8[gUnknown_0203BCAC->info.field_71].unk1;
+        sub_81D3520(gUnknown_0203BCAC->field_7B1C);
+        gUnknown_0203BC90->field_50++;
+        break;
+    case 1:
+        if (gMain.newKeys & (A_BUTTON | B_BUTTON))
             gUnknown_0203BC90->field_50++;
-            break;
-        case 3:
-			var = sub_81D2074(&gUnknown_0203BCAC->field_7C58);
-			if(var)
-				return;
-			
+        break;
+    case 2:
+        sub_8167104();
+        sub_81D2754(gUnknown_0203BC90->field_5c, gUnknown_0203BCAC->field_7C58.unk14[3]);
+        sub_81D1F84(&gUnknown_0203BCAC->field_7C58, gUnknown_0203BCAC->field_7C58.unk14[gUnknown_0203BCAC->field_7FB3], gUnknown_0203BCAC->field_7C58.unk14[3]);
+        sub_8167338();
+        gUnknown_0203BC90->field_50++;
+        break;
+    case 3:
+        var = sub_81D2074(&gUnknown_0203BCAC->field_7C58);
+        if (!var)
+        {
             sub_81681F4(sub_81672A4(gUnknown_0203BCAC->info.field_71));
-			
             if (gUnknown_0203BCAC->info.field_71 != gUnknown_0203BCAC->info.field_70 - 1)
             {
                 u8 var0 = gUnknown_0203BCAC->unk7FB0[gUnknown_0203BCAC->field_7FB3];
                 sub_81D3480(gUnknown_0203BCAC->field_7B1C, gUnknown_0203BCAC->field_7B10, var0);
             }
-			
+
             gUnknown_0203BC90->field_52 = 0;
-			gUnknown_0203BC90->field_50++;
-            break;
-        case 4:
-            if ((++gUnknown_0203BC90->field_52) > 16)
-            {
-                sub_8166E24();
-                gUnknown_0203BC90->field_50++;
-            }
-            break;
-        case 5:
-            if (gMain.newKeys & (A_BUTTON | B_BUTTON) && !sub_8166EDC())
-            {
-                TryClearPokeblock((u8)gSpecialVar_ItemId);
-                sub_816636C(sub_8166BEC);
-            }
-            break;
+            gUnknown_0203BC90->field_50++;
+        }
+        break;
+    case 4:
+        if (++gUnknown_0203BC90->field_52 > 16)
+        {
+            sub_8166E24();
+            gUnknown_0203BC90->field_50++;
+        }
+        break;
+    case 5:
+        if (gMain.newKeys & (A_BUTTON | B_BUTTON) && !sub_8166EDC())
+        {
+            TryClearPokeblock((u8)gSpecialVar_ItemId);
+            sub_816636C(sub_8166BEC);
+        }
+        break;
     }
 }
 
 void sub_8166BEC(void)
 {
-    u8 i;
-    u8 var;
+    u8 i, var;
+
     switch (gUnknown_0203BC90->field_50)
-    {    
+    {
     case 0:
         BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, RGB_BLACK);
         gUnknown_0203BC90->field_50++;
@@ -588,18 +586,18 @@ void sub_8166BEC(void)
         sub_81D354C(gUnknown_0203BCAC->field_7B1C);
         for (i = 0; i < 7; i++)
             DestroySprite(&gSprites[gUnknown_0203BCAC->field_7B06[i]]);
-        
+
         FreeSpriteTilesByTag(0);
         FreeSpriteTilesByTag(1);
         FreeSpritePaletteByTag(0);
         FreeSpritePaletteByTag(1);
-        
+
         for (i = 0; i < 2; i++)
             DestroySprite(gUnknown_0203BCAC->field_7B44[i]);
-        
+
         if (gUnknown_0203BCAC->field_7B10 != 0xFF)
             DestroySprite(&gSprites[gUnknown_0203BCAC->field_7B10]);
-        
+
         SetVBlankCallback(NULL);
         FREE_AND_SET_NULL(gUnknown_0203BCA0);
         FREE_AND_SET_NULL(gUnknown_0203BCA4);
@@ -613,6 +611,7 @@ void sub_8166BEC(void)
 void sub_8166D44(void)
 {
     u8 stringBuffer[0x40];
+
     GetMonData(&gPlayerParty[sub_81672A4(gUnknown_0203BCAC->info.field_71)], MON_DATA_NICKNAME, stringBuffer);
     StringGetEnd10(stringBuffer);
     StringAppend(stringBuffer, gText_GetsAPokeBlockQuestion);
@@ -627,19 +626,21 @@ void sub_8166D44(void)
 
 s8 sub_8166DE4(void)
 {
-    s8 retval = Menu_ProcessInputNoWrapClearOnChoose();
-    switch(retval)
+    s8 menuItem = Menu_ProcessInputNoWrapClearOnChoose();
+
+    switch (menuItem)
     {
     case 0:
         break;
-    case -1:
+    case MENU_B_PRESSED:
     case 1:
         PlaySE(SE_SELECT);
         rbox_fill_rectangle(2);
         ClearWindowTilemap(2);
         break;
     }
-    return retval;
+
+    return menuItem;
 }
 
 void sub_8166E24(void)
@@ -647,13 +648,17 @@ void sub_8166E24(void)
     sub_8098858(2, 151, 14);
     FillWindowPixelBuffer(2, 17);
 
-    for (gUnknown_0203BC90->field_53 = 0; gUnknown_0203BC90->field_53 < 5 && gUnknown_0203BC90->field_61[gUnknown_0203BC90->field_53] == 0; gUnknown_0203BC90->field_53++);
-    
+    for (gUnknown_0203BC90->field_53 = 0; gUnknown_0203BC90->field_53 < 5; gUnknown_0203BC90->field_53++)
+    {
+        if (gUnknown_0203BC90->field_61[gUnknown_0203BC90->field_53] != 0)
+            break;
+    }
+
     if (gUnknown_0203BC90->field_53 < 5)
         Pokeblock_BufferEnhancedStatText(gStringVar4, gUnknown_0203BC90->field_53, gUnknown_0203BC90->field_61[gUnknown_0203BC90->field_53]);
     else
         Pokeblock_BufferEnhancedStatText(gStringVar4, gUnknown_0203BC90->field_53, 0);
-        
+
     Pokeblock_MenuWindowTextPrint(gStringVar4);
     PutWindowTilemap(2);
     CopyWindowToVram(2, 3);
@@ -662,7 +667,7 @@ void sub_8166E24(void)
 bool8 sub_8166EDC(void)
 {
     FillWindowPixelBuffer(2, 17);
-    
+
     while (1)
     {
         gUnknown_0203BC90->field_53++;
@@ -677,11 +682,11 @@ bool8 sub_8166EDC(void)
             return FALSE;
         }
     }
-    
+
     Pokeblock_BufferEnhancedStatText(gStringVar4, gUnknown_0203BC90->field_53, gUnknown_0203BC90->field_61[gUnknown_0203BC90->field_53]);
     Pokeblock_MenuWindowTextPrint(gStringVar4);
     CopyWindowToVram(2, 2);
-    
+
     return TRUE;
 }
 
@@ -706,15 +711,13 @@ void Pokeblock_MenuWindowTextPrint(const u8 *message)
     AddTextPrinterParameterized(2, 1, gStringVar4, 0, 1, 0, NULL);
 }
 
+// This function is a joke.
 #ifdef NONMATCHING
-void Pokeblock_BufferEnhancedStatText(u8 *dest, u8 statID, s16 a2)
+void Pokeblock_BufferEnhancedStatText(u8 *dest, u8 statId, s16 a2)
 {
     if (a2 != 0)
     {
-        if (a2 > 0)
-            a2 = 0;
-
-        StringCopy(dest, sContestStatNames[statID]);
+        StringCopy(dest, sContestStatNames[statId]);
         StringAppend(dest, gText_WasEnhanced);
     }
     else
@@ -724,7 +727,7 @@ void Pokeblock_BufferEnhancedStatText(u8 *dest, u8 statID, s16 a2)
 }
 #else
 NAKED
-void Pokeblock_BufferEnhancedStatText(u8 *dest, u8 statID, s16 a2)
+void Pokeblock_BufferEnhancedStatText(u8 *dest, u8 statId, s16 a2)
 {
     asm(".syntax unified\n\
 push {r4,lr}\n\
@@ -765,70 +768,67 @@ _08167018:\n\
 }
 #endif
 
-void Pokeblock_GetMonContestStats(struct Pokemon *pokemon, u8 *data)
+void Pokeblock_GetMonContestStats(struct Pokemon *mon, u8 *data)
 {
     u16 i;
 
     for (i = 0; i < 5; i++)
-        data[i] = GetMonData(pokemon, gUnknown_085DFCB0[i]);
+        data[i] = GetMonData(mon, gUnknown_085DFCB0[i]);
 }
 
-void sub_8167054(struct Pokeblock *pokeblock, struct Pokemon *pokemon)
+void sub_8167054(struct Pokeblock *pokeblock, struct Pokemon *mon)
 {
     u16 i;
     s16 cstat;
     u8 data;
-    if (GetMonData(pokemon, MON_DATA_SHEEN) != 255)
+
+    if (GetMonData(mon, MON_DATA_SHEEN) != 255)
     {
-        sub_8167184(pokeblock, pokemon);
+        sub_8167184(pokeblock, mon);
         for (i = 0; i < 5; i++)
         {
-            data = GetMonData(pokemon, gUnknown_085DFCB0[i]);
+            data = GetMonData(mon, gUnknown_085DFCB0[i]);
             cstat = data +  gUnknown_0203BC90->field_66[i];
             if (cstat < 0)
                 cstat = 0;
             if (cstat > 255)
                 cstat = 255;
             data = cstat;
-            SetMonData(pokemon, gUnknown_085DFCB0[i], &data);
+            SetMonData(mon, gUnknown_085DFCB0[i], &data);
         }
 
-        cstat = (u8)GetMonData(pokemon, MON_DATA_SHEEN);
-        cstat = cstat + pokeblock->feel;
+        cstat = (u8)(GetMonData(mon, MON_DATA_SHEEN)) + pokeblock->feel;
         if (cstat > 255)
             cstat = 255;
 
         data = cstat;
-        SetMonData(pokemon, MON_DATA_SHEEN, &data);
+        SetMonData(mon, MON_DATA_SHEEN, &data);
     }
 }
 
 void sub_8167104(void)
 {
     u16 i;
-    struct Pokemon *pokemon = gPlayerParty;
-    pokemon += gUnknown_0203BCAC->unk7FB0[gUnknown_0203BCAC->info.field_71 * 4 + 9];
-    Pokeblock_GetMonContestStats(pokemon, gUnknown_0203BC90->field_57);
-    sub_8167054(gUnknown_0203BC90->pokeblock, pokemon);
-    Pokeblock_GetMonContestStats(pokemon, gUnknown_0203BC90->field_5c);
-    for (i=0; i<5; i++)
-    {
+    struct Pokemon *mon = gPlayerParty;
+    mon += gUnknown_0203BCAC->unk7FB0[gUnknown_0203BCAC->info.field_71 * 4 + 9];
+
+    Pokeblock_GetMonContestStats(mon, gUnknown_0203BC90->field_57);
+    sub_8167054(gUnknown_0203BC90->pokeblock, mon);
+    Pokeblock_GetMonContestStats(mon, gUnknown_0203BC90->field_5c);
+    for (i = 0; i < 5; i++)
         gUnknown_0203BC90->field_61[i] = gUnknown_0203BC90->field_5c[i] - gUnknown_0203BC90->field_57[i];
-    }
 }
 
-void sub_8167184(struct Pokeblock *pokeblock, struct Pokemon *pokemon)
+void sub_8167184(struct Pokeblock *pokeblock, struct Pokemon *mon)
 {
-    s8 direction;
-    s8 i;
-    s16 amount;
-    s8 boost;
-    s8 taste;
+    s8 i, direction, taste;
+
     gUnknown_0203BC90->field_66[0] = pokeblock->spicy;
     gUnknown_0203BC90->field_66[1] = pokeblock->sour;
     gUnknown_0203BC90->field_66[2] = pokeblock->bitter;
     gUnknown_0203BC90->field_66[3] = pokeblock->sweet;
     gUnknown_0203BC90->field_66[4] = pokeblock->dry;
+
     if (gPokeblockGain > 0)
         direction = 1;
     else if (gPokeblockGain < 0)
@@ -838,39 +838,43 @@ void sub_8167184(struct Pokeblock *pokeblock, struct Pokemon *pokemon)
 
     for (i = 0; i < 5; i++)
     {
-        amount = gUnknown_0203BC90->field_66[i];
-        boost = amount / 10;
+        s16 amount = gUnknown_0203BC90->field_66[i];
+        s8 boost = amount / 10;
+
         if (amount % 10 >= 5) // round to the nearest
             boost++;
 
-        taste = GetMonFlavorRelation(pokemon, gUnknown_085DFCC4[i]);
+        taste = GetMonFlavorRelation(mon, gUnknown_085DFCC4[i]);
         if (taste == direction)
             gUnknown_0203BC90->field_66[i] += boost * taste;
     }
 }
 
-bool8 sub_8167268(void)
+bool8 IsSheenMaxed(void)
 {
-    u8 *mon;
-    mon    = (u8 *) &gUnknown_0203BCAC->field_0[gUnknown_0203BCAC->info.field_71 * 4];
-    if (sub_81D2C68(*(mon + 864 + 0x7C58), *(mon + 865 + 0x7C58), MON_DATA_SHEEN, 0) == 255)
+    if (GetBoxOrPartyMonData(gUnknown_0203BCAC->field_7FB8[gUnknown_0203BCAC->info.field_71].unk0,
+                             gUnknown_0203BCAC->field_7FB8[gUnknown_0203BCAC->info.field_71].unk1,
+                             MON_DATA_SHEEN,
+                             NULL) == 255)
         return TRUE;
-    return FALSE;
+    else
+        return FALSE;
 }
 
 u8 sub_81672A4(u8 a0)
 {
     u8 i;
+
     for (i = 0; i < PARTY_SIZE; i++)
     {
         if (!GetMonData(&gPlayerParty[i], MON_DATA_IS_EGG))
         {
             if (a0 == 0)
                 return i;
-
             a0--;
         }
     }
+
     return 0;
 }
 
@@ -894,20 +898,21 @@ u8 sub_8167324(u8 a0)
 
 void sub_8167338(void)
 {
-    u16 flavor;
-    u8 spriteidx;
+    u16 i, spriteId;
+
     LoadSpriteSheet(&gSpriteSheet_ConditionUpDown);
     LoadSpritePalette(&gSpritePalette_ConditionUpDown);
     gUnknown_0203BC90->field_54 = 0;
-    for (flavor = 0; flavor < 5; flavor++)
+
+    for (i = 0; i < 5; i++)
     {
-        if (gUnknown_0203BC90->field_61[flavor] != 0)
+        if (gUnknown_0203BC90->field_61[i] != 0)
         {
-            spriteidx = CreateSprite(&gSpriteTemplate_085DFD5C, gUnknown_085DFD28[flavor][0], gUnknown_085DFD28[flavor][1], 0);
-            if (spriteidx != MAX_SPRITES)
+            spriteId = CreateSprite(&gSpriteTemplate_085DFD5C, gUnknown_085DFD28[i][0], gUnknown_085DFD28[i][1], 0);
+            if (spriteId != MAX_SPRITES)
             {
-                if (gUnknown_0203BC90->field_61[flavor] != 0)
-                    gSprites[spriteidx].callback = sub_81673DC;
+                if (gUnknown_0203BC90->field_61[i] != 0)
+                    gSprites[spriteId].callback = sub_81673DC;
 
                 gUnknown_0203BC90->field_54++;
             }
@@ -933,8 +938,8 @@ void sub_8167420(void)
 {
     u16 i;
     u16 numMons;
-    
-    for (i = 0, numMons = 0;  i < CalculatePlayerPartyCount(); i++)
+
+    for (i = 0, numMons = 0; i < CalculatePlayerPartyCount(); i++)
     {
         if (!GetMonData(&gPlayerParty[i], MON_DATA_IS_EGG))
         {
@@ -952,677 +957,204 @@ void sub_8167420(void)
 
 void sub_81674BC(void)
 {
-    s16 var;
-    s16 var2;
-    
+    s16 var, var2;
+
     sub_816753C(gUnknown_0203BCAC->info.field_71, 0);
     gUnknown_0203BCAC->field_7FB3 = 0;
     gUnknown_0203BCAC->field_7FB4 = 1;
     gUnknown_0203BCAC->field_7FB5 = 2;
+
     var = gUnknown_0203BCAC->info.field_71 + 1;
     if (var >= gUnknown_0203BCAC->info.field_70)
         var = 0;
-    
+
     var2 = gUnknown_0203BCAC->info.field_71 - 1;
     if (var2 < 0)
         var2 = gUnknown_0203BCAC->info.field_70 - 1;
-    
+
     sub_816753C(var, 1);
     sub_816753C(var2, 2);
 }
 
-#ifdef NONMATCHING
-void sub_816753C(s16 a1, u8 a2)
+void sub_816753C(s16 id1, u8 id2)
 {
-    u8 *v3;
-    int v5;
-    int v6;
-    
-    v3 = &gUnknown_0203BCAC->field_0[a1 << 16 >> 14];
-    v5 =  *(0x7FB8 + v3);
-    v6 =  *(0x7FB9 + v3);
-    
-    sub_81D2ED4(gUnknown_0203BCAC->field_0[0x7B4D + 24 * a2], gUnknown_0203BCAC->field_0[0x7B95 + 64 * a2], v5, v6, a1, gUnknown_0203BCAC->info.field_70, 0);
-    sub_81D2F78(gUnknown_0203BCAC->field_7C58[0], gUnknown_0203BCAC->field_0[0x7FB0], v5, v6, a1, a2, gUnknown_0203BCAC->info.field_70, 0);
-    sub_81D3094(gUnknown_0203BCAC->field_0[(a2 << 13) + 0x304], gUnknown_0203BCAC->field_0[(a2 << 7) + 4], v5, v6, a1, gUnknown_0203BCAC->info.field_70, 0);
-    //gUnknown_0203BCAC->field_0[0x7B4D + a1 * 40], gUnknown_0203BCAC->field_7FB8, gUnknown_0203BCAC->field_7FB9, gUnknown_203BCAC->field_0[0], gUnknown_203BCAC->info.field_70, 0)
+    u8 boxId = gUnknown_0203BCAC->field_7FB8[id1].unk0;
+    u8 monId = gUnknown_0203BCAC->field_7FB8[id1].unk1;
+    u8 r6 = gUnknown_0203BCAC->info.field_70;
+    bool8 r8 = FALSE;
+
+    sub_81D2ED4(gUnknown_0203BCAC->field_7B4D[id2], gUnknown_0203BCAC->field_7B95[id2], boxId, monId, id1, r6, r8);
+    sub_81D2F78(&gUnknown_0203BCAC->field_7C58, gUnknown_0203BCAC->unk7FB0, boxId, monId, id1, id2, r6, r8);
+    sub_81D3094(gUnknown_0203BCAC->field_304[id2], gUnknown_0203BCAC->field_4[id2], boxId, monId, id1, r6, r8);
 }
-#else
-NAKED
-void sub_816753C(s16 a1, u8 a2)
-{
-    asm(".syntax unified\n\
-    push {r4-r7,lr}\n\
-    mov r7, r10\n\
-    mov r6, r9\n\
-    mov r5, r8\n\
-    push {r5-r7}\n\
-    sub sp, 0x10\n\
-    adds r5, r0, 0\n\
-    adds r4, r1, 0\n\
-    lsls r4, 24\n\
-    lsrs r4, 24\n\
-    ldr r0, =gUnknown_0203BCAC\n\
-    mov r9, r0\n\
-    ldr r1, [r0]\n\
-    lsls r5, 16\n\
-    asrs r0, r5, 14\n\
-    adds r0, r1, r0\n\
-    ldr r3, =0x00007fb8\n\
-    adds r2, r0, r3\n\
-    ldrb r7, [r2]\n\
-    ldr r2, =0x00007fb9\n\
-    adds r0, r2\n\
-    ldrb r0, [r0]\n\
-    mov r10, r0\n\
-    adds r3, 0x88\n\
-    adds r0, r1, r3\n\
-    ldrb r6, [r0]\n\
-    movs r0, 0\n\
-    mov r8, r0\n\
-    lsls r0, r4, 1\n\
-    adds r0, r4\n\
-    lsls r0, 3\n\
-    ldr r2, =0x00007b4d\n\
-    adds r0, r2\n\
-    adds r0, r1, r0\n\
-    lsls r2, r4, 6\n\
-    ldr r3, =0x00007b95\n\
-    adds r2, r3\n\
-    adds r1, r2\n\
-    lsrs r5, 16\n\
-    str r5, [sp]\n\
-    str r6, [sp, 0x4]\n\
-    mov r2, r8\n\
-    str r2, [sp, 0x8]\n\
-    adds r2, r7, 0\n\
-    mov r3, r10\n\
-    bl sub_81D2ED4\n\
-    mov r3, r9\n\
-    ldr r1, [r3]\n\
-    ldr r2, =0x00007c58\n\
-    adds r0, r1, r2\n\
-    ldr r3, =0x00007fb0\n\
-    adds r1, r3\n\
-    str r5, [sp]\n\
-    str r4, [sp, 0x4]\n\
-    str r6, [sp, 0x8]\n\
-    mov r2, r8\n\
-    str r2, [sp, 0xC]\n\
-    adds r2, r7, 0\n\
-    mov r3, r10\n\
-    bl sub_81D2F78\n\
-    lsls r0, r4, 13\n\
-    movs r1, 0xC1\n\
-    lsls r1, 2\n\
-    adds r0, r1\n\
-    mov r3, r9\n\
-    ldr r1, [r3]\n\
-    adds r0, r1, r0\n\
-    lsls r4, 7\n\
-    adds r4, 0x4\n\
-    adds r1, r4\n\
-    str r5, [sp]\n\
-    str r6, [sp, 0x4]\n\
-    mov r2, r8\n\
-    str r2, [sp, 0x8]\n\
-    adds r2, r7, 0\n\
-    mov r3, r10\n\
-    bl sub_81D3094\n\
-    add sp, 0x10\n\
-    pop {r3-r5}\n\
-    mov r8, r3\n\
-    mov r9, r4\n\
-    mov r10, r5\n\
-    pop {r4-r7}\n\
-    pop {r0}\n\
-    bx r0\n\
-    .pool\n\
-    .syntax divided\n");
-}
-#endif
 
-#ifdef NONMATCHING
 void sub_8167608(u8 arg0)
 {
-    u8 v4;
-    u8 *v5;
-    u8 *v6;
-    u32 v7;
-    struct SpritePalette array[5];
-    if(gUnknown_0203BCAC->field_0[0x7B10] == 255)
+    u8 spriteId;
+    struct SpriteTemplate spriteTemplate;
+    struct SpriteSheet spriteSheet;
+    struct SpritePalette spritePal;
+
+    if (gUnknown_0203BCAC->field_7B10 == 0xFF)
     {
-        sub_81D31D0(&array[3], &array[0], &array[4]);
-        array[1] =  (struct SpritePallete *) ((u32) gUnknown_0203BCAC->field_0[(arg0 << 13) + 772]);
-        array[2] =  (struct SpritePallete *) ((u32) gUnknown_0203BCAC->field_0[(arg0 << 7) + 4]);
-        gUnknown_0203BCAC->field_0[0x7B12] = LoadSpritePalette(&array[3]);
-        gUnknown_0203BCAC->field_0[0x7B14] = LoadSpritePalette(&array[4]);
-        v4 = CreateSprite(array[0], 38, 104, 0);
-        gUnknown_0203BCAC->field_0[0x7B10] = v4;
-        if(v4 == 64)
+        sub_81D31D0(&spriteSheet, &spriteTemplate, &spritePal);
+        spriteSheet.data = gUnknown_0203BCAC->field_304[arg0];
+        spritePal.data = gUnknown_0203BCAC->field_4[arg0];
+        gUnknown_0203BCAC->field_7B12 = LoadSpritePalette(&spritePal);
+        gUnknown_0203BCAC->field_7B14 = LoadSpriteSheet(&spriteSheet);
+        spriteId = CreateSprite(&spriteTemplate, 38, 104, 0);
+        gUnknown_0203BCAC->field_7B10 = spriteId;
+        if (spriteId == MAX_SPRITES)
         {
             FreeSpriteTilesByTag(100);
             FreeSpritePaletteByTag(100);
-            gUnknown_0203BCAC->field_0[0x7B10] = 255;
+            gUnknown_0203BCAC->field_7B10 = 0xFF;
         }
         else
         {
-            gUnknown_0203BCAC->field_0[0x7B10] = v4;
-            v5 = &gUnknown_0203BCAC->field_0[0];
-            v6 = &gUnknown_0203BCAC->field_0[0x7B10];
-            gSprites[v6].callback = sub_8168168;
-            gSprites[v6].pos2.y -= 32;
-            *(v5+0x7B18) = 32 * *(v5+0x7B14) + 0x06010000;
-            *(v5+0x7B12) = 16 * *(v5+0x7B12) + 0x100;
+            gUnknown_0203BCAC->field_7B10 = spriteId;
+            gSprites[gUnknown_0203BCAC->field_7B10].callback = sub_8168168;
+            gSprites[gUnknown_0203BCAC->field_7B10].pos2.y -= 34;
+            gUnknown_0203BCAC->field_7B18 = (void*)(OBJ_VRAM0 + (gUnknown_0203BCAC->field_7B14 * 32));
+            gUnknown_0203BCAC->field_7B12 = (gUnknown_0203BCAC->field_7B12 * 16) + 0x100;
         }
     }
     else
     {
-        v7 = gUnknown_0203BCAC->field_0[0x7B18];
-        REG_ADDR_DMA3SAD = gUnknown_0203BCAC->field_0[(arg0 << 13) + 772];
-        REG_ADDR_DMA3DAD = v7;
-        REG_ADDR_DMA3CNT = 0x80000400;
-        LoadPalette(gUnknown_0203BCAC->field_0[arg0 << 7) + 4), gUnknown_0203BCAC->field_0[0x7B12], 32);
+        do {} while(0); // Surprised to see something like this? It's a very neat trick for generating the same assembly. It has no practical purpose, feel free to remove it.
+        DmaCopy16Defvars(3, gUnknown_0203BCAC->field_304[arg0], gUnknown_0203BCAC->field_7B18, 0x800);
+        LoadPalette(gUnknown_0203BCAC->field_4[arg0], gUnknown_0203BCAC->field_7B12, 32);
     }
 }
-#else
-NAKED
-void sub_8167608(u8 arg0)
-{
-    asm(".syntax unified\n\
-    push {r4-r7,lr}\n\
-    mov r7, r8\n\
-    push {r7}\n\
-    sub sp, 0x28\n\
-    lsls r0, 24\n\
-    lsrs r6, r0, 24\n\
-    ldr r1, =gUnknown_0203BCAC\n\
-    ldr r3, [r1]\n\
-    ldr r0, =0x00007b10\n\
-    mov r8, r0\n\
-    adds r0, r3, r0\n\
-    ldrb r0, [r0]\n\
-    adds r7, r1, 0\n\
-    cmp r0, 0xFF\n\
-    bne _08167714\n\
-    add r5, sp, 0x18\n\
-    add r4, sp, 0x20\n\
-    adds r0, r5, 0\n\
-    mov r1, sp\n\
-    adds r2, r4, 0\n\
-    bl sub_81D31D0\n\
-    lsls r0, r6, 13\n\
-    movs r1, 0xC1\n\
-    lsls r1, 2\n\
-    adds r0, r1\n\
-    ldr r1, [r7]\n\
-    adds r0, r1, r0\n\
-    str r0, [sp, 0x18]\n\
-    lsls r0, r6, 7\n\
-    adds r0, 0x4\n\
-    adds r1, r0\n\
-    str r1, [sp, 0x20]\n\
-    adds r0, r4, 0\n\
-    bl LoadSpritePalette\n\
-    ldr r1, [r7]\n\
-    lsls r0, 24\n\
-    lsrs r0, 24\n\
-    ldr r2, =0x00007b12\n\
-    adds r1, r2\n\
-    strh r0, [r1]\n\
-    adds r0, r5, 0\n\
-    bl LoadSpriteSheet\n\
-    ldr r1, [r7]\n\
-    ldr r3, =0x00007b14\n\
-    adds r1, r3\n\
-    strh r0, [r1]\n\
-    mov r0, sp\n\
-    movs r1, 0x26\n\
-    movs r2, 0x68\n\
-    movs r3, 0\n\
-    bl CreateSprite\n\
-    lsls r0, 24\n\
-    lsrs r1, r0, 24\n\
-    ldr r0, [r7]\n\
-    ldr r2, =0x00007b10\n\
-    adds r0, r2\n\
-    strb r1, [r0]\n\
-    cmp r1, 0x40\n\
-    bne _081676AC\n\
-    movs r0, 0x64\n\
-    bl FreeSpriteTilesByTag\n\
-    movs r0, 0x64\n\
-    bl FreeSpritePaletteByTag\n\
-    ldr r0, [r7]\n\
-    add r0, r8\n\
-    movs r1, 0xFF\n\
-    strb r1, [r0]\n\
-    b _08167742\n\
-    .pool\n\
-_081676AC:\n\
-    ldr r0, [r7]\n\
-    add r0, r8\n\
-    strb r1, [r0]\n\
-    ldr r4, =gSprites\n\
-    ldr r2, [r7]\n\
-    mov r0, r8\n\
-    adds r3, r2, r0\n\
-    ldrb r1, [r3]\n\
-    lsls r0, r1, 4\n\
-    adds r0, r1\n\
-    lsls r0, 2\n\
-    adds r1, r4, 0\n\
-    adds r1, 0x1C\n\
-    adds r0, r1\n\
-    ldr r1, =sub_8168168\n\
-    str r1, [r0]\n\
-    ldrb r1, [r3]\n\
-    lsls r0, r1, 4\n\
-    adds r0, r1\n\
-    lsls r0, 2\n\
-    adds r0, r4\n\
-    ldrh r1, [r0, 0x26]\n\
-    subs r1, 0x22\n\
-    strh r1, [r0, 0x26]\n\
-    ldr r3, =0x00007b18\n\
-    adds r1, r2, r3\n\
-    subs r3, 0x4\n\
-    adds r0, r2, r3\n\
-    ldrh r0, [r0]\n\
-    lsls r0, 5\n\
-    ldr r3, =0x06010000\n\
-    adds r0, r3\n\
-    str r0, [r1]\n\
-    ldr r0, =0x00007b12\n\
-    adds r2, r0\n\
-    ldrh r0, [r2]\n\
-    lsls r0, 4\n\
-    movs r1, 0x80\n\
-    lsls r1, 1\n\
-    adds r0, r1\n\
-    strh r0, [r2]\n\
-    b _08167742\n\
-    .pool\n\
-_08167714:\n\
-    lsls r1, r6, 13\n\
-    movs r0, 0xC1\n\
-    lsls r0, 2\n\
-    adds r1, r0\n\
-    adds r1, r3, r1\n\
-    ldr r2, =0x00007b18\n\
-    adds r0, r3, r2\n\
-    ldr r2, [r0]\n\
-    ldr r0, =0x040000d4\n\
-    str r1, [r0]\n\
-    str r2, [r0, 0x4]\n\
-    ldr r1, =0x80000400\n\
-    str r1, [r0, 0x8]\n\
-    ldr r0, [r0, 0x8]\n\
-    lsls r0, r6, 7\n\
-    adds r0, 0x4\n\
-    adds r0, r3, r0\n\
-    ldr r2, =0x00007b12\n\
-    adds r1, r3, r2\n\
-    ldrh r1, [r1]\n\
-    movs r2, 0x20\n\
-    bl LoadPalette\n\
-_08167742:\n\
-    add sp, 0x28\n\
-    pop {r3}\n\
-    mov r8, r3\n\
-    pop {r4-r7}\n\
-    pop {r0}\n\
-    bx r0\n\
-    .pool\n\
-    .syntax divided\n");
-}
-#endif
 
-#ifdef NONMATCHING
 void sub_8167760(void)
 {
-    s32 i;
-    u8 v1;
-    u8 v2;
-    u8 v3;
-    u32 v4;
-    struct SpriteSheet *v6;
-    struct SpriteTemplate *v7;
-    void (*funcCB) (void);
-    struct SpritePalette *v9;
-    struct SpriteSheet *v10;
-    struct SpritePalette *v11;
-    
-    sub_81D321C(v6, v7, v9);
-    LoadSpriteSheets(v6);
-    LoadSpritePalettes(v9);
-    for(i = 0; i < gUnknown_0203BCAC->info.field_70 - 1; i++)
+    u16 i, spriteId;
+    struct SpriteSheet spriteSheets[4];
+    struct SpriteTemplate spriteTemplate;
+    struct SpritePalette spritePals[3];
+    struct SpriteSheet spriteSheet2;
+    struct SpritePalette spritePal2;
+
+    sub_81D321C(spriteSheets, &spriteTemplate, spritePals);
+    LoadSpriteSheets(spriteSheets);
+    LoadSpritePalettes(spritePals);
+
+    for (i = 0; i < gUnknown_0203BCAC->info.field_70 - 1; i++)
     {
-        v1 = CreateSprite(v7, 226, (0x140000 * i + 0x80000) >> 16, 0);
-        if(v1 == 64)
+        spriteId = CreateSprite(&spriteTemplate, 226, (i * 20) + 8, 0);
+        if (spriteId != MAX_SPRITES)
         {
-            gUnknown_0203BCAC->field_0[0x7B06 + i] = -1;
+            gUnknown_0203BCAC->field_7B06[i] = spriteId;
+            gSprites[spriteId].data[0] = i;
+            gSprites[spriteId].callback = sub_8168180;
         }
         else
         {
-            gUnknown_0203BCAC->field_0[0x7B06 + i] = v1;
-            gSprites[v1].data[0] = i;
-            gSprites[v1].callback = (SpriteCallback) sub_8168180;    
+            gUnknown_0203BCAC->field_7B06[i] = -1;
         }
     }
-    for(v7->tileTag = 103; i <= 5; i++)
+
+    spriteTemplate.tileTag = 103;
+    for (; i < 6; i++)
     {
-        v2 = CreateSprite(v7, 230, (0x140000 * i + 0x80000) >> 16, 0);
-        if(v2 == 64 )
+        spriteId = CreateSprite(&spriteTemplate, 230, (i * 20) + 8, 0);
+        if (spriteId != MAX_SPRITES)
         {
-            gUnknown_0203BCAC->field_0[0x7B06 + i] = -1;
+            gUnknown_0203BCAC->field_7B06[i] = spriteId;
+            gSprites[spriteId].oam.size = 0;
         }
         else
         {
-            gUnknown_0203BCAC->field_0[0x7B06 + i] = v2;
-            gSprites[v2].oam.tileNum &= 0x3F;
+            gUnknown_0203BCAC->field_7B06[i] = -1;
         }
     }
-    v7->tileTag = 102;
-    funcCB = sub_81681B4;
-    v3 = CreateSprite(v7, 222, (0x140000 * i + 0x80000) >> 16, 0);
-    if(v3 == 64)
+
+    spriteTemplate.tileTag = 102;
+    spriteTemplate.callback = sub_81681B4;
+    spriteId = CreateSprite(&spriteTemplate, 222, (i * 20) + 8, 0);
+    if (spriteId != MAX_SPRITES)
     {
-        gUnknown_0203BCAC->field_0[0x7B06 + i] = -1;
-    }        
-    else 
+        gUnknown_0203BCAC->field_7B06[i] = spriteId;
+        gSprites[spriteId].oam.shape = 1;
+        gSprites[spriteId].oam.size = 2;
+    }
+    else
     {
-        gUnknown_0203BCAC->field_0[0x7B06 + i] = v3;
-        v4 = 68 * v3 + 0x2020630;
-        (v4 + 1) = gSprites[v2].oam.affineMode & (0x3F | 0x40);
-        (v4 + 3) = (v4 + 3) & (0x3F | 0x80);
+        gUnknown_0203BCAC->field_7B06[i] = -1;
     }
-    sub_81D32B0(v10, v11);
-    LoadSpriteSheet(v10);
-    LoadSpritePalette(v11);    
-}
-#else
-NAKED
-void sub_8167760(void)
-{
-    asm(".syntax unified\n\
-    push {r4-r7,lr}\n\
-    mov r7, r10\n\
-    mov r6, r9\n\
-    mov r5, r8\n\
-    push {r5-r7}\n\
-    sub sp, 0x60\n\
-    add r5, sp, 0x20\n\
-    add r4, sp, 0x38\n\
-    mov r0, sp\n\
-    adds r1, r5, 0\n\
-    adds r2, r4, 0\n\
-    bl sub_81D321C\n\
-    mov r0, sp\n\
-    bl LoadSpriteSheets\n\
-    adds r0, r4, 0\n\
-    bl LoadSpritePalettes\n\
-    movs r4, 0\n\
-    ldr r1, =gUnknown_0203BCAC\n\
-    ldr r0, [r1]\n\
-    ldr r2, =0x00008040\n\
-    adds r0, r2\n\
-    ldrb r0, [r0]\n\
-    subs r0, 0x1\n\
-    adds r6, r5, 0\n\
-    add r2, sp, 0x50\n\
-    mov r9, r2\n\
-    add r2, sp, 0x58\n\
-    mov r10, r2\n\
-    cmp r4, r0\n\
-    bge _0816781C\n\
-    adds r5, r1, 0\n\
-    ldr r7, =gSprites\n\
-    movs r0, 0x1C\n\
-    adds r0, r7\n\
-    mov r8, r0\n\
-_081677AC:\n\
-    lsls r2, r4, 2\n\
-    adds r2, r4\n\
-    lsls r2, 18\n\
-    movs r1, 0x80\n\
-    lsls r1, 12\n\
-    adds r2, r1\n\
-    asrs r2, 16\n\
-    adds r0, r6, 0\n\
-    movs r1, 0xE2\n\
-    movs r3, 0\n\
-    bl CreateSprite\n\
-    lsls r0, 24\n\
-    lsrs r3, r0, 24\n\
-    cmp r3, 0x40\n\
-    beq _081677FC\n\
-    ldr r0, [r5]\n\
-    ldr r2, =0x00007b06\n\
-    adds r0, r2\n\
-    adds r0, r4\n\
-    strb r3, [r0]\n\
-    lsls r0, r3, 4\n\
-    adds r0, r3\n\
-    lsls r0, 2\n\
-    adds r1, r0, r7\n\
-    strh r4, [r1, 0x2E]\n\
-    add r0, r8\n\
-    ldr r1, =sub_8168180\n\
-    str r1, [r0]\n\
-    b _08167808\n\
-    .pool\n\
-_081677FC:\n\
-    ldr r0, [r5]\n\
-    ldr r1, =0x00007b06\n\
-    adds r0, r1\n\
-    adds r0, r4\n\
-    movs r1, 0xFF\n\
-    strb r1, [r0]\n\
-_08167808:\n\
-    adds r0, r4, 0x1\n\
-    lsls r0, 16\n\
-    lsrs r4, r0, 16\n\
-    ldr r0, [r5]\n\
-    ldr r2, =0x00008040\n\
-    adds r0, r2\n\
-    ldrb r0, [r0]\n\
-    subs r0, 0x1\n\
-    cmp r4, r0\n\
-    blt _081677AC\n\
-_0816781C:\n\
-    movs r0, 0x67\n\
-    strh r0, [r6]\n\
-    cmp r4, 0x5\n\
-    bhi _0816788A\n\
-    ldr r5, =gUnknown_0203BCAC\n\
-    ldr r7, =gSprites\n\
-_08167828:\n\
-    lsls r2, r4, 2\n\
-    adds r2, r4\n\
-    lsls r2, 18\n\
-    movs r0, 0x80\n\
-    lsls r0, 12\n\
-    adds r2, r0\n\
-    asrs r2, 16\n\
-    adds r0, r6, 0\n\
-    movs r1, 0xE6\n\
-    movs r3, 0\n\
-    bl CreateSprite\n\
-    lsls r0, 24\n\
-    lsrs r3, r0, 24\n\
-    cmp r3, 0x40\n\
-    beq _08167874\n\
-    ldr r0, [r5]\n\
-    ldr r1, =0x00007b06\n\
-    adds r0, r1\n\
-    adds r0, r4\n\
-    strb r3, [r0]\n\
-    lsls r1, r3, 4\n\
-    adds r1, r3\n\
-    lsls r1, 2\n\
-    adds r1, r7\n\
-    ldrb r2, [r1, 0x3]\n\
-    movs r0, 0x3F\n\
-    ands r0, r2\n\
-    strb r0, [r1, 0x3]\n\
-    b _08167880\n\
-    .pool\n\
-_08167874:\n\
-    ldr r0, [r5]\n\
-    ldr r2, =0x00007b06\n\
-    adds r0, r2\n\
-    adds r0, r4\n\
-    movs r1, 0xFF\n\
-    strb r1, [r0]\n\
-_08167880:\n\
-    adds r0, r4, 0x1\n\
-    lsls r0, 16\n\
-    lsrs r4, r0, 16\n\
-    cmp r4, 0x5\n\
-    bls _08167828\n\
-_0816788A:\n\
-    movs r0, 0x66\n\
-    strh r0, [r6]\n\
-    ldr r0, =sub_81681B4\n\
-    str r0, [r6, 0x14]\n\
-    lsls r2, r4, 2\n\
-    adds r2, r4\n\
-    lsls r2, 18\n\
-    movs r0, 0x80\n\
-    lsls r0, 12\n\
-    adds r2, r0\n\
-    asrs r2, 16\n\
-    adds r0, r6, 0\n\
-    movs r1, 0xDE\n\
-    movs r3, 0\n\
-    bl CreateSprite\n\
-    lsls r0, 24\n\
-    lsrs r3, r0, 24\n\
-    cmp r3, 0x40\n\
-    beq _081678F4\n\
-    ldr r0, =gUnknown_0203BCAC\n\
-    ldr r0, [r0]\n\
-    ldr r1, =0x00007b06\n\
-    adds r0, r1\n\
-    adds r0, r4\n\
-    strb r3, [r0]\n\
-    ldr r0, =gSprites\n\
-    lsls r2, r3, 4\n\
-    adds r2, r3\n\
-    lsls r2, 2\n\
-    adds r2, r0\n\
-    ldrb r3, [r2, 0x1]\n\
-    movs r1, 0x3F\n\
-    adds r0, r1, 0\n\
-    ands r0, r3\n\
-    movs r3, 0x40\n\
-    orrs r0, r3\n\
-    strb r0, [r2, 0x1]\n\
-    ldrb r0, [r2, 0x3]\n\
-    ands r1, r0\n\
-    movs r0, 0x80\n\
-    orrs r1, r0\n\
-    strb r1, [r2, 0x3]\n\
-    b _08167902\n\
-    .pool\n\
-_081678F4:\n\
-    ldr r0, =gUnknown_0203BCAC\n\
-    ldr r0, [r0]\n\
-    ldr r2, =0x00007b06\n\
-    adds r0, r2\n\
-    adds r0, r4\n\
-    movs r1, 0xFF\n\
-    strb r1, [r0]\n\
-_08167902:\n\
-    mov r0, r9\n\
-    mov r1, r10\n\
-    bl sub_81D32B0\n\
-    mov r0, r9\n\
-    bl LoadSpriteSheet\n\
-    mov r0, r10\n\
-    bl LoadSpritePalette\n\
-    add sp, 0x60\n\
-    pop {r3-r5}\n\
-    mov r8, r3\n\
-    mov r9, r4\n\
-    mov r10, r5\n\
-    pop {r4-r7}\n\
-    pop {r0}\n\
-    bx r0\n\
-    .pool\n\
-    .syntax divided\n");
+
+    sub_81D32B0(&spriteSheet2, &spritePal2);
+    LoadSpriteSheet(&spriteSheet2);
+    LoadSpritePalette(&spritePal2);
 }
-#endif
 
 bool8 sub_8167930(void)
 {
-    bool8 retvalue;
-    switch(gUnknown_0203BCAC->info.unk78)
-        {
-            case 0:
-                ChangeBgX(0, 0, 0);
-                ChangeBgY(0, 0, 0);
-                ChangeBgX(1, 0, 0);
-                ChangeBgY(1, 0, 0);
-                ChangeBgX(2, 0, 0);
-                ChangeBgY(2, 0, 0);
-                ChangeBgX(3, 0, 0);
-                ChangeBgY(3, 136 << 6, 0);
-                SetGpuReg(REG_OFFSET_DISPCNT, 28736);
-                SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG2|BLDCNT_EFFECT_BLEND|BLDCNT_TGT2_BG1);
-                SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(11, 4));
-                break;
-            case 1:
-                (u32 *) gUnknown_0203BCA4 = Alloc(6656);
-                (u32 *) gUnknown_0203BCA0 = Alloc(1280);
-                (u32 *) gUnknown_0203BCA8 = Alloc(1280);
-                break;
-            case 2:
-                LZ77UnCompVram(gUnknown_085DFB60, gUnknown_0203BCA8);
-                break;
-            case 3:
-                LoadBgTiles(3, gUnknown_085DFA80, 224, 0);
-                break;
-            case 4:
-                 LoadBgTilemap(3, gUnknown_0203BCA8, 1280, 0);
-                break;
-            case 5:
-                LoadPalette(gUnknown_085DFA60, 208, 32);
-                gUnknown_0203BCAC->field_7B0E = 0xFFB0;
-                break;
-            case 6:
-                LZ77UnCompVram(gUsePokeblockGraph_Gfx, gUnknown_0203BCA4);
-                break;
-            case 7:
-                LZ77UnCompVram(gUsePokeblockGraph_Tilemap, gUnknown_0203BCA0);
-                LoadPalette(gUsePokeblockGraph_Pal, 32, 32);
-                break;
-            case 8:
-                LoadBgTiles(1, gUnknown_0203BCA4, 6656, 160 << 2);
-                break;
-            case 9:
-                SetBgTilemapBuffer(1, gUnknown_0203BCA0);
-                CopyToBgTilemapBufferRect(1, gUsePokeblockNatureWin_Pal, 0, 13, 12, 4);
-                CopyBgTilemapBufferToVram(1);
-                break;
-            case 10:
-                LZ77UnCompVram(gUnknown_085DFC0C, &gUnknown_0203BCAC->field_0[0x7304]);
-                break;
-            case 11:
-                LoadBgTilemap(2, &gUnknown_0203BCAC->field_0[0x7304], 1280, 0);
-                LoadPalette(gUnknown_086231E8, 48, 32);
-                LoadPalette(gUnknown_08623208, 240, 32);
-                sub_81D21DC(2);
-                break;
-            default:
-                gUnknown_0203BCAC->info.unk78 = 0;
-                retvalue = 0;
-                return retvalue;
-        }
-        gUnknown_0203BCAC->info.unk78++;
-        retvalue = 1;
-        return retvalue;
+    switch (gUnknown_0203BCAC->info.unk78)
+    {
+    case 0:
+        ChangeBgX(0, 0, 0);
+        ChangeBgY(0, 0, 0);
+        ChangeBgX(1, 0, 0);
+        ChangeBgY(1, 0, 0);
+        ChangeBgX(2, 0, 0);
+        ChangeBgY(2, 0, 0);
+        ChangeBgX(3, 0, 0);
+        ChangeBgY(3, 136 << 6, 0);
+        SetGpuReg(REG_OFFSET_DISPCNT, 28736);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG2|BLDCNT_EFFECT_BLEND|BLDCNT_TGT2_BG1);
+        SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(11, 4));
+        break;
+    case 1:
+        gUnknown_0203BCA4 = Alloc(6656);
+        gUnknown_0203BCA0 = Alloc(1280);
+        gUnknown_0203BCA8 = Alloc(1280);
+        break;
+    case 2:
+        LZ77UnCompVram(gUnknown_085DFB60, gUnknown_0203BCA8);
+        break;
+    case 3:
+        LoadBgTiles(3, gUnknown_085DFA80, 224, 0);
+        break;
+    case 4:
+         LoadBgTilemap(3, gUnknown_0203BCA8, 1280, 0);
+        break;
+    case 5:
+        LoadPalette(gUnknown_085DFA60, 208, 32);
+        gUnknown_0203BCAC->field_7B0E = 0xFFB0;
+        break;
+    case 6:
+        LZ77UnCompVram(gUsePokeblockGraph_Gfx, gUnknown_0203BCA4);
+        break;
+    case 7:
+        LZ77UnCompVram(gUsePokeblockGraph_Tilemap, gUnknown_0203BCA0);
+        LoadPalette(gUsePokeblockGraph_Pal, 32, 32);
+        break;
+    case 8:
+        LoadBgTiles(1, gUnknown_0203BCA4, 6656, 160 << 2);
+        break;
+    case 9:
+        SetBgTilemapBuffer(1, gUnknown_0203BCA0);
+        CopyToBgTilemapBufferRect(1, gUsePokeblockNatureWin_Pal, 0, 13, 12, 4);
+        CopyBgTilemapBufferToVram(1);
+        break;
+    case 10:
+        LZ77UnCompVram(gUnknown_085DFC0C, gUnknown_0203BCAC->tilemapBuffer);
+        break;
+    case 11:
+        LoadBgTilemap(2, gUnknown_0203BCAC->tilemapBuffer, 1280, 0);
+        LoadPalette(gUnknown_086231E8, 48, 32);
+        LoadPalette(gUnknown_08623208, 240, 32);
+        sub_81D21DC(2);
+        break;
+    default:
+        gUnknown_0203BCAC->info.unk78 = 0;
+        return FALSE;
+    }
+
+    gUnknown_0203BCAC->info.unk78++;
+    return TRUE;
 }
 
 void sub_8167BA0(u16 arg0, u8 copyToVramMode)
@@ -1658,9 +1190,7 @@ void sub_8167BA0(u16 arg0, u8 copyToVramMode)
 static void sub_8167CA0(bool8 arg0)
 {
     u16 var0;
-    int var1;
-    int r8;
-    int r4;
+    bool32 r8, r4;
 
     if (arg0)
         var0 = gUnknown_0203BCAC->field_7FB5;
@@ -1680,11 +1210,11 @@ static void sub_8167CA0(bool8 arg0)
         gUnknown_0203BCAC->field_7FB3 = var0;
         gUnknown_0203BCAC->field_7FB6 = gUnknown_0203BCAC->field_7FB5;
 
-        gUnknown_0203BCAC->info.field_71 = gUnknown_0203BCAC->info.field_71 == 0
+        gUnknown_0203BCAC->info.field_71 = (gUnknown_0203BCAC->info.field_71 == 0)
             ? gUnknown_0203BCAC->info.field_70 - 1
             : gUnknown_0203BCAC->info.field_71 - 1;
 
-        gUnknown_0203BCAC->field_7B4C = gUnknown_0203BCAC->info.field_71 == 0
+        gUnknown_0203BCAC->field_7B4C = (gUnknown_0203BCAC->info.field_71 == 0)
             ? gUnknown_0203BCAC->info.field_70 - 1
             : gUnknown_0203BCAC->info.field_71 - 1;
     }
@@ -1695,11 +1225,11 @@ static void sub_8167CA0(bool8 arg0)
         gUnknown_0203BCAC->field_7FB3 = var0;
         gUnknown_0203BCAC->field_7FB6 = gUnknown_0203BCAC->field_7FB4;
 
-        gUnknown_0203BCAC->info.field_71 = gUnknown_0203BCAC->info.field_71 < gUnknown_0203BCAC->info.field_70 - 1
+        gUnknown_0203BCAC->info.field_71 = (gUnknown_0203BCAC->info.field_71 < gUnknown_0203BCAC->info.field_70 - 1)
             ? gUnknown_0203BCAC->info.field_71 + 1
             : 0;
 
-        gUnknown_0203BCAC->field_7B4C = gUnknown_0203BCAC->info.field_71 < gUnknown_0203BCAC->info.field_70 - 1
+        gUnknown_0203BCAC->field_7B4C = (gUnknown_0203BCAC->info.field_71 < gUnknown_0203BCAC->info.field_70 - 1)
             ? gUnknown_0203BCAC->info.field_71 + 1
             : 0;
     }
@@ -1835,7 +1365,8 @@ void sub_81681B4(struct Sprite *sprite)
 void sub_81681F4(u8 monIndex)
 {
     u8 sheen = GetMonData(&gPlayerParty[monIndex], MON_DATA_SHEEN);
-    gUnknown_0203BCAC->unk7FB0[gUnknown_0203BCAC->field_7FB3] = sheen != 255
+
+    gUnknown_0203BCAC->unk7FB0[gUnknown_0203BCAC->field_7FB3] = (sheen != 255)
         ? sheen / 29
         : 9;
 }
@@ -1868,7 +1399,7 @@ static void sub_8168294(void)
         if (spriteId != MAX_SPRITES)
         {
             gSprites[spriteId].data[0] = var;
-            gSprites[spriteId].data[1] = (i * xDiff) | 32;
+            gSprites[spriteId].data[1] = (i * xDiff) | 0x20;
             gSprites[spriteId].data[2] = i;
             StartSpriteAnim(&gSprites[spriteId], i);
             sprites[i] = &gSprites[spriteId];
@@ -1896,6 +1427,7 @@ static bool8 sub_8168328(void)
 void sub_8168374(struct Sprite *sprite)
 {
     s16 prevX = sprite->pos1.x;
+
     sprite->pos1.x += sprite->data[0];
     if ((prevX <= sprite->data[1] && sprite->pos1.x >= sprite->data[1])
      || (prevX >= sprite->data[1] && sprite->pos1.x <= sprite->data[1]))