Start decompiling union_room_chat.c

3 files changed, 1074 insertions, 2 deletions

diff --git a/src/link_rfu.c b/src/link_rfu.c
index a557397f0..e4295dc39 100644
--- a/src/link_rfu.c
+++ b/src/link_rfu.c
@@ -4729,7 +4729,7 @@ bool32 sub_8011A80(void)
         return FALSE;
 }
 
-u8 sub_8011A9C(void)
+bool32 sub_8011A9C(void)
 {
     return gUnknown_03005000.unk_ce8;
 }
diff --git a/src/union_room.c b/src/union_room.c
index 99ae4b679..e0777cdb7 100644
--- a/src/union_room.c
+++ b/src/union_room.c
@@ -35,6 +35,7 @@
 #include "field_screen_effect.h"
 #include "script_pokemon_util_80F87D8.h"
 #include "mevent.h"
+#include "union_room_chat.h"
 
 struct UnkStruct_Shared
 {
@@ -231,7 +232,6 @@ bool32 sub_8017678(struct UnkStruct_x20 *arg0, struct UnkStruct_x1C *arg1);
 u32 sub_8018120(struct TradeUnkStruct *arg0, u8 multiplayerId);
 void sub_801807C(struct TradeUnkStruct *arg0);
 void sub_801AC54(void);
-void sub_801DD98(void);
 void sub_802A9A8(u8 monId, MainCallback callback);
 void sub_802493C(u8 monId, MainCallback callback);
 void sub_8020C70(MainCallback callback);
diff --git a/src/union_room_chat.c b/src/union_room_chat.c
new file mode 100755
index 000000000..f7c8be9f1
--- /dev/null
+++ b/src/union_room_chat.c
@@ -0,0 +1,1072 @@
+#include "global.h"
+#include "alloc.h"
+#include "link.h"
+#include "link_rfu.h"
+#include "load_save.h"
+#include "main.h"
+#include "menu.h"
+#include "overworld.h"
+#include "palette.h"
+#include "save.h"
+#include "scanline_effect.h"
+#include "sound.h"
+#include "sprite.h"
+#include "string_util.h"
+#include "task.h"
+#include "constants/rgb.h"
+#include "constants/songs.h"
+
+struct UnionRoomChat
+{
+    u8 filler0[0x4];
+    u16 unk4;
+    u16 unk6;
+    u8 filler8[0x2];
+    u16 unkA;
+    u8 fillerC[0x1];
+    u8 unkD;
+    u8 unkE;
+    u8 unkF;
+    u8 unk10;
+    u8 unk11;
+    u8 unk12;
+    u8 unk13;
+    u8 unk14;
+    u8 unk15;
+    u8 unk16;
+    u8 unk17;
+    u8 unk18;
+    u8 unk19;
+    u8 unk1A[0x9F];
+    u8 unkB9[10][21];
+    u8 filler18B[0x5];
+    u8 unk190[0x28];
+    u16 unk1B8;
+};
+
+static void sub_801DDD0(struct UnionRoomChat *);
+static void c2_081284E0(void);
+static void sub_801DF20(void);
+static void sub_801DF38(void);
+static void sub_801DF54(u8 taskId);
+static void sub_801DFAC(void);
+static void sub_801E030(void);
+static void sub_801E120(void);
+static void sub_801E240(void);
+static void sub_801E460(void);
+static void sub_801E5C4(void);
+static void sub_801E668(void);
+static void sub_801E764(void);
+static void sub_801E838(void);
+static void sub_801E978(void);
+static void sub_801EBD4(u16);
+static bool32 sub_801EBE4(void);
+static void sub_801EC94(void);
+static void sub_801ED68(void);
+static void sub_801ED94(void);
+static bool32 sub_801EDC4(void);
+static void sub_801EDE0(void);
+static void sub_801EE10(void);
+static void sub_801EE2C(void);
+static u8 *sub_801EE84(void);
+u8 *sub_801EEA8(void);
+static void sub_801EF1C(u8 *);
+static void sub_801EF24(u8 *);
+static void sub_801EF4C(u8 *);
+static void sub_801EF7C(u8 *);
+static void sub_801EFA8(u8 *);
+static void sub_801EFD0(u8 *);
+u8 *sub_801F114(void);
+void sub_801F2B4(u8 taskId);
+bool8 sub_801F4D0(void);
+int sub_801F534(void);
+void sub_801F544(void);
+void sub_801F5B8(void);
+void sub_801F5EC(u16, u8);
+bool8 sub_801F644(u8);
+s8 sub_801FF08(void);
+
+extern struct UnionRoomChat *gUnknown_02022C84;
+
+extern const u8 *const gUnknown_082F2BA8[][10];
+extern const u8 gUnknown_082F2AA8[];
+
+
+void sub_801DD98(void)
+{
+    gUnknown_02022C84 = Alloc(sizeof(*gUnknown_02022C84));
+    sub_801DDD0(gUnknown_02022C84);
+    gKeyRepeatStartDelay = 20;
+    SetVBlankCallback(NULL);
+    SetMainCallback2(c2_081284E0);
+}
+
+static void sub_801DDD0(struct UnionRoomChat *unionRoomChat)
+{
+    int i;
+
+    unionRoomChat->unk4 = 0;
+    unionRoomChat->unk6 = 0;
+    unionRoomChat->unk10 = 0;
+    unionRoomChat->unk11 = 0;
+    unionRoomChat->unk12 = 0;
+    unionRoomChat->unk14 = 0;
+    unionRoomChat->unk15 = 0;
+    unionRoomChat->unk16 = 0;
+    unionRoomChat->unk1A[0] = EOS;
+    unionRoomChat->unkD = GetLinkPlayerCount();
+    unionRoomChat->unk13 = GetMultiplayerId();
+    unionRoomChat->unk17 = 0;
+    unionRoomChat->unk18 = 0;
+    sub_801EF1C(unionRoomChat->unk190);
+    for (i = 0; i < 10; i++)
+        StringCopy(unionRoomChat->unkB9[i], gSaveBlock1Ptr->unk3C88[i]);
+}
+
+void sub_801DE30(void)
+{
+    DestroyTask(gUnknown_02022C84->unkE);
+    DestroyTask(gUnknown_02022C84->unkF);
+    Free(gUnknown_02022C84);
+}
+
+static void c2_081284E0(void)
+{
+    switch (gMain.state)
+    {
+    case 0:
+        ResetTasks();
+        ResetSpriteData();
+        FreeAllSpritePalettes();
+        sub_801F4D0();
+        gMain.state++;
+        break;
+    case 1:
+        sub_801F5B8();
+        if (!sub_801F534())
+        {
+            BlendPalettes(0xFFFFFFFF, 16, RGB_BLACK);
+            BeginNormalPaletteFade(0xFFFFFFFF, -1, 16, 0, RGB_BLACK);
+            SetVBlankCallback(sub_801DF20);
+            gMain.state++;
+        }
+        break;
+    case 2:
+        UpdatePaletteFade();
+        if (!gPaletteFade.active)
+        {
+            SetMainCallback2(sub_801DF38);
+            gUnknown_02022C84->unkE = CreateTask(sub_801DF54, 8);
+            gUnknown_02022C84->unkF = CreateTask(sub_801F2B4, 7);
+            sub_800E0E8();
+            CreateWirelessStatusIndicatorSprite(232, 150);
+        }
+        break;
+    }
+}
+
+static void sub_801DF20(void)
+{
+    TransferPlttBuffer();
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    ScanlineEffect_InitHBlankDmaTransfer();
+}
+
+static void sub_801DF38(void)
+{
+    RunTasks();
+    sub_801F5B8();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+void (*const gUnknown_082F2A7C[])(void) =
+{
+    sub_801DFAC,
+    sub_801E030,
+    sub_801E120,
+    sub_801E240,
+    sub_801E764,
+    sub_801E838,
+    sub_801E460,
+    sub_801E5C4,
+    sub_801E668,
+    sub_801E978,
+};
+
+static void sub_801DF54(u8 taskId)
+{
+    switch (gUnknown_02022C84->unk17)
+    {
+    case 1:
+        sub_801EBD4(6);
+        gUnknown_02022C84->unk17 = 0;
+        break;
+    case 2:
+        sub_801EBD4(7);
+        gUnknown_02022C84->unk17 = 0;
+        break;
+    case 3:
+        sub_801EBD4(8);
+        gUnknown_02022C84->unk17 = 0;
+        break;
+    }
+
+    gUnknown_082F2A7C[gUnknown_02022C84->unk4]();
+}
+
+static void sub_801DFAC(void)
+{
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        sub_801EF24(gUnknown_02022C84->unk190);
+        gUnknown_02022C84->unk6++;
+        // fall through
+    case 1:
+        if (IsLinkTaskFinished() && !sub_8011A9C())
+        {
+            if (SendBlock(0, gUnknown_02022C84->unk190, sizeof(gUnknown_02022C84->unk190)))
+                gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 2:
+        if (IsLinkTaskFinished())
+            sub_801EBD4(1);
+        break;
+    }
+}
+
+static void sub_801E030(void)
+{
+    bool8 var0, var1;
+
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        if (gMain.newKeys & START_BUTTON)
+        {
+            if (gUnknown_02022C84->unk15)
+                sub_801EBD4(4);
+        }
+        else if (gMain.newKeys & SELECT_BUTTON)
+        {
+            sub_801EBD4(2);
+        }
+        else if (gMain.newAndRepeatedKeys & B_BUTTON)
+        {
+            if (gUnknown_02022C84->unk15)
+            {
+                sub_801ED68();
+                sub_801F5EC(8, 0);
+                gUnknown_02022C84->unk6 = 1;
+            }
+            else
+            {
+                sub_801EBD4(3);
+            }
+        }
+        else if (gMain.newKeys & A_BUTTON)
+        {
+            sub_801EC94();
+            sub_801F5EC(8, 0);
+            sub_801F5EC(2, 1);
+            gUnknown_02022C84->unk6 = 1;
+        }
+        else if (gMain.newKeys & R_BUTTON)
+        {
+            if (gUnknown_02022C84->unk10 != 3)
+            {
+                sub_801ED94();
+                sub_801F5EC(8, 0);
+                gUnknown_02022C84->unk6 = 1;
+            }
+            else
+            {
+                sub_801EBD4(5);
+            }
+        }
+        else if (sub_801EBE4())
+        {
+            sub_801F5EC(1, 0);
+            gUnknown_02022C84->unk6 = 1;
+        }
+        break;
+    case 1:
+        var0 = sub_801F644(0);
+        var1 = sub_801F644(1);
+        if (!var0 && !var1)
+            gUnknown_02022C84->unk6 = 0;
+        break;
+    }
+}
+
+static void sub_801E120(void)
+{
+    s16 input;
+    int var0;
+
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        sub_801F5EC(3, 0);
+        gUnknown_02022C84->unk6++;
+        break;
+    case 1:
+        if (!sub_801F644(0))
+            gUnknown_02022C84->unk6++;
+        break;
+    case 2:
+        input = Menu_ProcessInput();
+        switch (input)
+        {
+        default:
+            sub_801F5EC(4, 0);
+            var0 = 1;
+            if (gUnknown_02022C84->unk10 == input || input > 3)
+                var0 = 0;
+            break;
+        case MENU_NOTHING_CHOSEN:
+            if (gMain.newKeys & SELECT_BUTTON)
+            {
+                PlaySE(SE_SELECT);
+                Menu_MoveCursor(1);
+            }
+            return;
+        case MENU_B_PRESSED:
+            sub_801F5EC(4, 0);
+            gUnknown_02022C84->unk6 = 3;
+            return;
+        }
+
+        if (!var0)
+        {
+            gUnknown_02022C84->unk6 = 3;
+            return;
+        }
+
+        gUnknown_02022C84->unk11 = 0;
+        gUnknown_02022C84->unk12 = 0;
+        sub_801F5EC(5, 1);
+        gUnknown_02022C84->unk10 = input;
+        gUnknown_02022C84->unk6 = 4;
+        break;
+    case 3:
+        if (!sub_801F644(0))
+            sub_801EBD4(1);
+        break;
+    case 4:
+        if (!sub_801F644(0) && !sub_801F644(1))
+            sub_801EBD4(1);
+        break;
+    }
+}
+
+static void sub_801E240(void)
+{
+    s8 input;
+
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        sub_801F5EC(6, 0);
+        gUnknown_02022C84->unk6 = 1;
+        break;
+    case 1:
+        if (!sub_801F644(0))
+            gUnknown_02022C84->unk6 = 2;
+        break;
+    case 2:
+        input = sub_801FF08();
+        switch (input)
+        {
+        case -1:
+        case 1:
+            sub_801F5EC(7, 0);
+            gUnknown_02022C84->unk6 = 3;
+            break;
+        case 0:
+            if (gUnknown_02022C84->unk13 == 0)
+            {
+                sub_801EFD0(gUnknown_02022C84->unk190);
+                sub_801F5EC(7, 0);
+                gUnknown_02022C84->unk6 = 9;
+            }
+            else
+            {
+                sub_801EF7C(gUnknown_02022C84->unk190);
+                gUnknown_02022C84->unk6 = 4;
+            }
+            break;
+        }
+        break;
+    case 3:
+        if (!sub_801F644(0))
+            sub_801EBD4(1);
+        break;
+    case 9:
+        if (!sub_801F644(0))
+        {
+            sub_801F5EC(20, 0);
+            gUnknown_02022C84->unk6 = 10;
+        }
+        break;
+    case 10:
+        if (!sub_801F644(0))
+            gUnknown_02022C84->unk6 = 8;
+        break;
+    case 8:
+        input = sub_801FF08();
+        switch (input)
+        {
+        case -1:
+        case 1:
+            sub_801F5EC(7, 0);
+            gUnknown_02022C84->unk6 = 3;
+            break;
+        case 0:
+            sub_80104B0();
+            sub_801EFD0(gUnknown_02022C84->unk190);
+            gUnknown_02022C84->unk6 = 4;
+            gUnknown_02022C84->unk1B8 = 0;
+            break;
+        }
+        break;
+    case 4:
+        if (IsLinkTaskFinished() && !sub_8011A9C() && SendBlock(0, gUnknown_02022C84->unk190, sizeof(gUnknown_02022C84->unk190)))
+        {
+            if (!gUnknown_02022C84->unk13)
+                gUnknown_02022C84->unk6 = 6;
+            else
+                gUnknown_02022C84->unk6 = 5;
+        }
+
+        if (!gReceivedRemoteLinkPlayers)
+            sub_801EBD4(9);
+        break;
+    case 5:
+        if (!gReceivedRemoteLinkPlayers)
+        {
+            sub_801EBD4(9);
+        }
+        else if (++gUnknown_02022C84->unk1B8 > 300)
+        {
+            gUnknown_02022C84->unk1B8 = 0;
+            gUnknown_02022C84->unk6 = 4;
+        }
+        break;
+    }
+}
+
+static void sub_801E460(void)
+{
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        if (!FuncIsActiveTask(sub_801F2B4))
+        {
+            sub_801F5EC(7, 0);
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 1:
+        if (!sub_801F644(0))
+        {
+            sub_801F5EC(18, 0);
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 2:
+        if (!sub_801F644(0))
+        {
+            sub_801EFA8(gUnknown_02022C84->unk190);
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 3:
+        if (IsLinkTaskFinished() && !sub_8011A9C() && SendBlock(0, gUnknown_02022C84->unk190, sizeof(gUnknown_02022C84->unk190)))
+            gUnknown_02022C84->unk6++;
+        break;
+    case 4:
+        if ((GetBlockReceivedStatus() & 1) && !sub_8011A9C())
+            gUnknown_02022C84->unk6++;
+        break;
+    case 5:
+        if (IsLinkTaskFinished() && !sub_8011A9C())
+        {
+            sub_800AC34();
+            gUnknown_02022C84->unkA = 0;
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 6:
+        if (gUnknown_02022C84->unkA < 150)
+            gUnknown_02022C84->unkA++;
+
+        if (!gReceivedRemoteLinkPlayers)
+            gUnknown_02022C84->unk6++;
+        break;
+    case 7:
+        if (gUnknown_02022C84->unkA >= 150)
+            sub_801EBD4(9);
+        else
+            gUnknown_02022C84->unkA++;
+        break;
+    }
+}
+
+static void sub_801E5C4(void)
+{
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        if (!FuncIsActiveTask(sub_801F2B4))
+        {
+            sub_801F5EC(7, 0);
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 1:
+        if (!sub_801F644(0) && IsLinkTaskFinished() && !sub_8011A9C())
+        {
+            sub_800AC34();
+            gUnknown_02022C84->unkA = 0;
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 2:
+        if (gUnknown_02022C84->unkA < 150)
+            gUnknown_02022C84->unkA++;
+
+        if (!gReceivedRemoteLinkPlayers)
+            gUnknown_02022C84->unk6++;
+        break;
+    case 3:
+        if (gUnknown_02022C84->unkA >= 150)
+            sub_801EBD4(9);
+        else
+            gUnknown_02022C84->unkA++;
+        break;
+    }
+}
+
+static void sub_801E668(void)
+{
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        if (!FuncIsActiveTask(sub_801F2B4))
+        {
+            if (gUnknown_02022C84->unk13)
+                sub_801F5EC(7, 0);
+
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 1:
+        if (!sub_801F644(0))
+        {
+            if (gUnknown_02022C84->unk13)
+                sub_801F5EC(19, 0);
+
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 2:
+        if (sub_801F644(0) != TRUE && IsLinkTaskFinished() && !sub_8011A9C())
+        {
+            sub_800AC34();
+            gUnknown_02022C84->unkA = 0;
+            gUnknown_02022C84->unk6++;
+        }
+        break;
+    case 3:
+        if (gUnknown_02022C84->unkA < 150)
+            gUnknown_02022C84->unkA++;
+
+        if (!gReceivedRemoteLinkPlayers)
+            gUnknown_02022C84->unk6++;
+        break;
+    case 4:
+        if (gUnknown_02022C84->unkA >= 150)
+            sub_801EBD4(9);
+        else
+            gUnknown_02022C84->unkA++;
+        break;
+    }
+}
+
+static void sub_801E764(void)
+{
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        if (!gReceivedRemoteLinkPlayers)
+        {
+            sub_801EBD4(1);
+            break;
+        }
+
+        sub_801EF4C(gUnknown_02022C84->unk190);
+        gUnknown_02022C84->unk6++;
+        // fall through
+    case 1:
+        if (IsLinkTaskFinished() == TRUE && !sub_8011A9C() && SendBlock(0, gUnknown_02022C84->unk190, sizeof(gUnknown_02022C84->unk190)))
+            gUnknown_02022C84->unk6++;
+        break;
+    case 2:
+        sub_801EE10();
+        sub_801F5EC(8, 0);
+        gUnknown_02022C84->unk6++;
+        break;
+    case 3:
+        if (!sub_801F644(0))
+            gUnknown_02022C84->unk6++;
+        break;
+    case 4:
+        if (IsLinkTaskFinished())
+            sub_801EBD4(1);
+        break;
+    }
+}
+
+static void sub_801E838(void)
+{
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        if (sub_801EDC4())
+        {
+            sub_801F5EC(9, 0);
+            gUnknown_02022C84->unk6 = 2;
+        }
+        else
+        {
+            sub_801F5EC(13, 0);
+            gUnknown_02022C84->unk6 = 5;
+        }
+        break;
+    case 1:
+        if (gMain.newKeys & A_BUTTON)
+        {
+            sub_801EDE0();
+            sub_801F5EC(11, 0);
+            gUnknown_02022C84->unk6 = 3;
+        }
+        else if (gMain.newKeys & B_BUTTON)
+        {
+            sub_801F5EC(10, 0);
+            gUnknown_02022C84->unk6 = 4;
+        }
+        else if (sub_801EBE4())
+        {
+            sub_801F5EC(1, 0);
+            gUnknown_02022C84->unk6 = 2;
+        }
+        break;
+    case 2:
+        if (!sub_801F644(0))
+            gUnknown_02022C84->unk6 = 1;
+        break;
+    case 3:
+        if (!sub_801F644(0))
+        {
+            sub_801F5EC(10, 0);
+            gUnknown_02022C84->unk6 = 4;
+        }
+        break;
+    case 4:
+        if (!sub_801F644(0))
+            sub_801EBD4(1);
+        break;
+    case 5:
+        if (!sub_801F644(0))
+            gUnknown_02022C84->unk6 = 6;
+        break;
+    case 6:
+        if (gMain.newKeys & (A_BUTTON | B_BUTTON))
+        {
+            sub_801F5EC(7, 0);
+            gUnknown_02022C84->unk6 = 4;
+        }
+        break;
+    }
+}
+
+static void sub_801E978(void)
+{
+    s8 input;
+
+    switch (gUnknown_02022C84->unk6)
+    {
+    case 0:
+        if (!gUnknown_02022C84->unk18)
+        {
+            gUnknown_02022C84->unk6 = 12;
+        }
+        else
+        {
+            sub_801F5EC(7, 0);
+            gUnknown_02022C84->unk6 = 1;
+        }
+        break;
+    case 1:
+        if (!sub_801F644(0))
+        {
+            sub_801F5EC(14, 0);
+            gUnknown_02022C84->unk6 = 2;
+        }
+        break;
+    case 2:
+        input = sub_801FF08();
+        switch (input)
+        {
+        case -1:
+        case 1:
+            gUnknown_02022C84->unk6 = 12;
+            break;
+        case 0:
+            sub_801F5EC(7, 0);
+            gUnknown_02022C84->unk6 = 3;
+            break;
+        }
+        break;
+    case 3:
+        if (!sub_801F644(0))
+        {
+            sub_801F5EC(15, 0);
+            gUnknown_02022C84->unk6 = 4;
+        }
+        break;
+    case 4:
+        if (!sub_801F644(0))
+            gUnknown_02022C84->unk6 = 5;
+        break;
+    case 5:
+        input = sub_801FF08();
+        switch (input)
+        {
+        case -1:
+        case 1:
+            gUnknown_02022C84->unk6 = 12;
+            break;
+        case 0:
+            sub_801F5EC(7, 0);
+            gUnknown_02022C84->unk6 = 6;
+            break;
+        }
+        break;
+    case 6:
+        if (!sub_801F644(0))
+        {
+            sub_801F5EC(16, 0);
+            sub_801EE2C();
+            gUnknown_02022C84->unk6 = 7;
+        }
+        break;
+    case 7:
+        if (!sub_801F644(0))
+        {
+            SetContinueGameWarpStatusToDynamicWarp();
+            TrySavingData(SAVE_NORMAL);
+            gUnknown_02022C84->unk6 = 8;
+        }
+        break;
+    case 8:
+        sub_801F5EC(17, 0);
+        gUnknown_02022C84->unk6 = 9;
+        break;
+    case 9:
+        if (!sub_801F644(0))
+        {
+            PlaySE(SE_SAVE);
+            ClearContinueGameWarpStatus2();
+            gUnknown_02022C84->unk6 = 10;
+        }
+        break;
+    case 10:
+        gUnknown_02022C84->unk19 = 0;
+        gUnknown_02022C84->unk6 = 11;
+        break;
+    case 11:
+        gUnknown_02022C84->unk19++;
+        if (gUnknown_02022C84->unk19 > 120)
+            gUnknown_02022C84->unk6 = 12;
+        break;
+    case 12:
+        BeginNormalPaletteFade(0xFFFFFFFF, -1, 0, 16, RGB_BLACK);
+        gUnknown_02022C84->unk6 = 13;
+        break;
+    case 13:
+        if (!gPaletteFade.active)
+        {
+            sub_801F544();
+            sub_801DE30();
+            SetMainCallback2(CB2_ReturnToField);
+        }
+        break;
+    }
+}
+
+static void sub_801EBD4(u16 arg0)
+{
+    gUnknown_02022C84->unk4 = arg0;
+    gUnknown_02022C84->unk6 = 0;
+}
+
+static const u8 sUnknown_082F2AA4[] = {9, 9, 9, 9};
+
+static bool32 sub_801EBE4(void)
+{
+    if (!(gMain.newAndRepeatedKeys & DPAD_UP))
+    {
+        if (gMain.newAndRepeatedKeys & DPAD_DOWN)
+        {
+            if (gUnknown_02022C84->unk12 < sUnknown_082F2AA4[gUnknown_02022C84->unk10])
+                gUnknown_02022C84->unk12++;
+            else
+                gUnknown_02022C84->unk12 = 0;
+
+            return TRUE;
+        }
+
+        if (gUnknown_02022C84->unk10 != 3)
+        {
+            if (gMain.newAndRepeatedKeys & DPAD_LEFT)
+            {
+                if (gUnknown_02022C84->unk11)
+                    gUnknown_02022C84->unk11--;
+                else
+                    gUnknown_02022C84->unk11 = 4;
+            }
+            else if (gMain.newAndRepeatedKeys & DPAD_RIGHT)
+            {
+                if (gUnknown_02022C84->unk11 > 3)
+                    gUnknown_02022C84->unk11 = 0;
+                else
+                    gUnknown_02022C84->unk11++;
+            }
+            else
+            {
+                return FALSE;
+            }
+
+            return TRUE;
+        }
+
+        return FALSE;
+    }
+    else
+    {
+        if (gUnknown_02022C84->unk12)
+            gUnknown_02022C84->unk12--;
+        else
+            gUnknown_02022C84->unk12 = sUnknown_082F2AA4[gUnknown_02022C84->unk10];
+
+        return TRUE;
+    }
+}
+
+static void sub_801EC94(void)
+{
+    int i;
+    const u8 *charsStr;
+    int strLength;
+    u8 *str;
+    u8 buffer[21];
+
+    if (gUnknown_02022C84->unk10 != 3)
+    {
+        charsStr = gUnknown_082F2BA8[gUnknown_02022C84->unk10][gUnknown_02022C84->unk12];
+        for (i = 0; i < gUnknown_02022C84->unk11; i++)
+        {
+            if (*charsStr == CHAR_SPECIAL_F9)
+                charsStr++;
+            charsStr++;
+        }
+
+        strLength = 1;
+    }
+    else
+    {
+        u8 *tempStr = StringCopy(buffer, gUnknown_02022C84->unkB9[gUnknown_02022C84->unk12]);
+        tempStr[0] = CHAR_SPACE;
+        tempStr[1] = EOS;
+        charsStr = buffer;
+        strLength = StringLength_Multibyte(buffer);
+    }
+
+    gUnknown_02022C84->unk14 = gUnknown_02022C84->unk15;
+    if (!charsStr)
+        return;
+
+    str = sub_801EE84();
+    while (--strLength != -1 && gUnknown_02022C84->unk15 < 15)
+    {
+        if (*charsStr == CHAR_SPECIAL_F9)
+        {
+            *str = *charsStr;
+            charsStr++;
+            str++;
+        }
+
+        *str = *charsStr;
+        charsStr++;
+        str++;
+
+        gUnknown_02022C84->unk15++;
+    }
+
+    *str = EOS;
+}
+
+static void sub_801ED68(void)
+{
+    gUnknown_02022C84->unk14 = gUnknown_02022C84->unk15;
+    if (gUnknown_02022C84->unk15)
+    {
+        u8 *str = sub_801EEA8();
+        *str = EOS;
+        gUnknown_02022C84->unk15--;
+    }
+}
+
+static void sub_801ED94(void)
+{
+    u8 *str;
+    u8 character;
+
+    gUnknown_02022C84->unk14 = gUnknown_02022C84->unk15 - 1;
+    str = sub_801EEA8();
+    if (*str != CHAR_SPECIAL_F9)
+    {
+        character = gUnknown_082F2AA8[*str];
+        if (character)
+            *str = character;
+    }
+}
+
+static bool32 sub_801EDC4(void)
+{
+    if (gUnknown_02022C84->unk15)
+        return TRUE;
+    else
+        return FALSE;
+}
+
+static void sub_801EDE0(void)
+{
+    u8 *src = sub_801F114();
+    StringCopy(gUnknown_02022C84->unkB9[gUnknown_02022C84->unk12], src);
+    gUnknown_02022C84->unk18 = 1;
+}
+
+static void sub_801EE10(void)
+{
+    gUnknown_02022C84->unk1A[0] = EOS;
+    gUnknown_02022C84->unk14 = 15;
+    gUnknown_02022C84->unk15 = 0;
+}
+
+static void sub_801EE2C(void)
+{
+    int i;
+    for (i = 0; i < 10; i++)
+        StringCopy(gSaveBlock1Ptr->unk3C88[i], gUnknown_02022C84->unkB9[i]);
+}
+
+u8 *sub_801EE6C(int arg0)
+{
+    return gUnknown_02022C84->unkB9[arg0];
+}
+
+static u8 *sub_801EE84(void)
+{
+    u8 *str = gUnknown_02022C84->unk1A;
+    while (*str != EOS)
+        str++;
+
+    return str;
+}
+
+u8 *sub_801EEA8(void)
+{
+    u8 *str = gUnknown_02022C84->unk1A;
+    u8 *str2 = str;
+    while (*str != EOS)
+    {
+        str2 = str;
+        if (*str == CHAR_SPECIAL_F9)
+            str++;
+        str++;
+    }
+
+    return str2;
+}
+
+u16 sub_801EED8(void)
+{
+    u8 *str;
+    u32 i, numChars, strLength;
+
+    strLength = StringLength_Multibyte(gUnknown_02022C84->unk1A);
+    str = gUnknown_02022C84->unk1A;
+    numChars = 0;
+    if (strLength > 10)
+    {
+        strLength -= 10;
+        for (i = 0; i < strLength; i++)
+        {
+            if (*str == CHAR_SPECIAL_F9)
+                str++;
+
+            str++;
+            numChars++;
+        }
+    }
+
+    return numChars;
+}
+
+static void sub_801EF1C(u8 *arg0)
+{
+    arg0[0] = CHAR_SPACE;
+}
+
+static void sub_801EF24(u8 *arg0)
+{
+    arg0[0] = 2;
+    StringCopy(&arg0[1], gSaveBlock2Ptr->playerName);
+    arg0[1 + (PLAYER_NAME_LENGTH + 1)] = gUnknown_02022C84->unk13;
+}
+
+static void sub_801EF4C(u8 *arg0)
+{
+    arg0[0] = 1;
+    StringCopy(&arg0[1], gSaveBlock2Ptr->playerName);
+    StringCopy(&arg0[1 + (PLAYER_NAME_LENGTH + 1)], gUnknown_02022C84->unk1A);
+}
+
+static void sub_801EF7C(u8 *arg0)
+{
+    arg0[0] = 3;
+    StringCopy(&arg0[1], gSaveBlock2Ptr->playerName);
+    arg0[1 + (PLAYER_NAME_LENGTH + 1)] = gUnknown_02022C84->unk13;
+    sub_8011A50();
+}
+
+static void sub_801EFA8(u8 *arg0)
+{
+    arg0[0] = 4;
+    StringCopy(&arg0[1], gSaveBlock2Ptr->playerName);
+    arg0[1 + (PLAYER_NAME_LENGTH + 1)] = gUnknown_02022C84->unk13;
+}
+
+static void sub_801EFD0(u8 *arg0)
+{
+    arg0[0] = 5;
+    StringCopy(&arg0[1], gSaveBlock2Ptr->playerName);
+    arg0[1 + (PLAYER_NAME_LENGTH + 1)] = gUnknown_02022C84->unk13;
+}