through sub_81081AC

1 files changed, 281 insertions, 0 deletions

diff --git a/src/item_menu.c b/src/item_menu.c
new file mode 100644
index 000000000..9128d0856
--- /dev/null
+++ b/src/item_menu.c
@@ -0,0 +1,281 @@
+#include "global.h"
+#include "bag.h"
+#include "battle_controllers.h"
+#include "bg.h"
+#include "help_system.h"
+#include "item_menu.h"
+#include "item_menu_icons.h"
+#include "list_menu.h"
+#include "malloc.h"
+#include "new_menu_helpers.h"
+#include "overworld.h"
+#include "palette.h"
+#include "scanline_effect.h"
+#include "text.h"
+#include "constants/items.h"
+
+struct BagMenuAlloc
+{
+    u32 field_00;
+    u8 field_04;
+    u8 field_05_0:4;
+    u8 field_05_4:2;
+    u8 field_05_6:2;
+    u16 field_06;
+    u8 field_08;
+    u8 field_09;
+    u8 filler_0A[6];
+    u8 field_10[4];
+};
+
+EWRAM_DATA struct BagStruct gUnknown_203ACFC = {};
+EWRAM_DATA struct BagMenuAlloc * gUnknown_203AD10 = NULL;
+EWRAM_DATA void * gUnknown_203AD14 = NULL;
+EWRAM_DATA struct ListMenuItem * gUnknown_203AD18 = NULL;
+EWRAM_DATA u8 (*gUnknown_203AD1C)[20] = NULL;
+
+void sub_8107F10(void);
+bool8 sub_8107F3C(void);
+void sub_810813C(void);
+void sub_8108178(u8 taskId);
+void sub_81081AC(void);
+bool8 sub_81081D0(void);
+bool8 sub_8108240(void);
+u8 sub_8108388(u8 location);
+bool8 sub_81083F4(void);
+void sub_810842C(u8 a0);
+void sub_81087EC(void);
+void sub_8108888(void);
+void sub_81088D8(void);
+void sub_8108A68(void);
+void sub_8108A84(void);
+void sub_8108B04(void);
+void sub_8108C10(void);
+void sub_8108E54(void);
+
+void GoToBagMenu(u8 location, u8 a1, MainCallback a2)
+{
+    u8 i;
+
+    sub_81081AC();
+    gUnknown_203AD10 = Alloc(sizeof(struct BagMenuAlloc));
+    if (gUnknown_203AD10 == NULL)
+        SetMainCallback2(a2);
+    else
+    {
+        if (location != 11)
+            gUnknown_203ACFC.location = location;
+        if (a2 != NULL)
+            gUnknown_203ACFC.bagCallback = a2;
+        gUnknown_203AD10->field_00 = 0;
+        gUnknown_203AD10->field_04 = 0xFF;
+        gUnknown_203AD10->field_05_4 = 0;
+        gUnknown_203AD10->field_05_6 = 0;
+        gUnknown_203AD10->field_08 = 0xFF;
+        gUnknown_203AD10->field_09 = 0xFF;
+        if (location == 3)
+            gUnknown_203AD10->field_05_0 = 1;
+        else if (location == 6)
+            gUnknown_203AD10->field_05_0 = 2;
+        else
+            gUnknown_203AD10->field_05_0 = 0;
+        for (i = 0; i < 4; i++)
+        {
+            gUnknown_203AD10->field_10[i] = 0;
+        }
+        if (a1 == 0 || a1 == 1 || a1 == 2)
+            gUnknown_203ACFC.unk6 = a1;
+        gTextFlags.autoScroll = FALSE;
+        gSpecialVar_ItemId = ITEM_NONE;
+        SetMainCallback2(sub_8107F10);
+    }
+}
+
+void CB2_BagMenuFromStartMenu(void)
+{
+    GoToBagMenu(0, 3, CB2_ReturnToFieldWithOpenMenu);
+}
+
+void sub_8107ECC(void)
+{
+    GoToBagMenu(5, 3, SetCB2ToReshowScreenAfterMenu2);
+}
+
+void sub_8107EE0(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    DoScheduledBgTilemapCopiesToVram();
+    UpdatePaletteFade();
+}
+
+void sub_8107EFC(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_8107F10(void)
+{
+    while (1)
+    {
+        if ((u8)sub_80BF72C() == TRUE)
+            break;
+        if (sub_8107F3C() == TRUE)
+            break;
+        if (MenuHelpers_LinkSomething() == TRUE)
+            break;
+    }
+}
+
+bool8 sub_8107F3C(void)
+{
+    u8 taskId;
+
+    switch (gMain.state)
+    {
+    case 0:
+        SetVBlankHBlankCallbacksToNull();
+        ClearScheduledBgCopiesToVram();
+        gMain.state++;
+        break;
+    case 1:
+        ScanlineEffect_Stop();
+        gMain.state++;
+        break;
+    case 2:
+        FreeAllSpritePalettes();
+        gMain.state++;
+        break;
+    case 3:
+        ResetPaletteFade();
+        gPaletteFade.bufferTransferDisabled = TRUE;
+        gMain.state++;
+        break;
+    case 4:
+        ResetSpriteData();
+        gMain.state++;
+        break;
+    case 5:
+        ResetItemMenuIconState();
+        gMain.state++;
+        break;
+    case 6:
+        if (!MenuHelpers_LinkSomething())
+        {
+            ResetTasks();
+        }
+        gMain.state++;
+        break;
+    case 7:
+        if (sub_81081D0())
+        {
+            gUnknown_203AD10->field_10[0] = 0;
+            gMain.state++;
+        }
+        else
+        {
+            sub_810813C();
+            return TRUE;
+        }
+        break;
+    case 8:
+        if (sub_8108240() == TRUE)
+            gMain.state++;
+        break;
+    case 9:
+        sub_810B858();
+        gMain.state++;
+        break;
+    case 10:
+        sub_8108E54();
+        sub_8108A68();
+        sub_8108A84();
+        gMain.state++;
+        break;
+    case 11:
+        if (!sub_81083F4())
+        {
+            sub_810813C();
+            return TRUE;
+        }
+        gMain.state++;
+        break;
+    case 12:
+        sub_810842C(gUnknown_203ACFC.unk6);
+        gMain.state++;
+        break;
+    case 13:
+        if (gUnknown_203ACFC.location != 3)
+            sub_81087EC();
+        else
+            sub_810B994();
+        gMain.state++;
+        break;
+    case 14:
+        taskId = sub_8108388(gUnknown_203ACFC.location);
+        gTasks[taskId].data[0] = ListMenuInit(&gMultiuseListMenuTemplate, gUnknown_203ACFC.cursorPos[gUnknown_203ACFC.unk6], gUnknown_203ACFC.itemsAbove[gUnknown_203ACFC.unk6]);
+        gTasks[taskId].data[3] = 0;
+        gTasks[taskId].data[8] = 0;
+        gMain.state++;
+        break;
+    case 15:
+        sub_80984FC(gUnknown_203ACFC.unk6);
+        gMain.state++;
+        break;
+    case 16:
+        sub_8108888();
+        sub_81088D8();
+        gMain.state++;
+        break;
+    case 17:
+        sub_80985E4();
+        gMain.state++;
+        break;
+    case 18:
+        sub_8108C10();
+        gMain.state++;
+        break;
+    case 19:
+        if (gUnknown_203ACFC.location == 3)
+            HelpSystem_SetSomeVariable2(29);
+        else
+            HelpSystem_SetSomeVariable2(9);
+        gPaletteFade.bufferTransferDisabled = FALSE;
+        gMain.state++;
+        break;
+    default:
+        SetVBlankCallback(sub_8107EFC);
+        SetMainCallback2(sub_8107EE0);
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void sub_810813C(void)
+{
+    BeginNormalPaletteFade(0xFFFFFFFF, -2, 0, 16, RGB_BLACK);
+    CreateTask(sub_8108178, 0);
+    SetVBlankCallback(sub_8107EFC);
+    SetMainCallback2(sub_8107EE0);
+}
+
+void sub_8108178(u8 taskId)
+{
+    if (!gPaletteFade.active)
+    {
+        SetMainCallback2(gUnknown_203ACFC.bagCallback);
+        sub_8108B04();
+        DestroyTask(taskId);
+    }
+}
+
+void sub_81081AC(void)
+{
+    gUnknown_203AD10 = NULL;
+    gUnknown_203AD14 = NULL;
+    gUnknown_203AD18 = NULL;
+    gUnknown_203AD1C = NULL;
+}