item_pc: through sub_810D4C0

1 files changed, 238 insertions, 0 deletions

diff --git a/src/item_pc.c b/src/item_pc.c
new file mode 100644
index 000000000..8e4502430
--- /dev/null
+++ b/src/item_pc.c
@@ -0,0 +1,238 @@
+#include "global.h"
+#include "help_system.h"
+#include "item_menu_icons.h"
+#include "list_menu.h"
+#include "main.h"
+#include "malloc.h"
+#include "menu.h"
+#include "menu_helpers.h"
+#include "palette.h"
+#include "pc_screen_effect.h"
+#include "scanline_effect.h"
+#include "sound.h"
+#include "task.h"
+#include "constants/songs.h"
+
+struct ItemPcResources
+{
+    u32 field_00;
+    u8 field_04;
+    u8 field_05;
+    u8 filler_06[2];
+    u8 field_08;
+    u8 filler_09[3];
+    u16 field_0C[3];
+};
+
+struct ItemPcStaticResources
+{
+    MainCallback field_0;
+    u16 field_4;
+    u16 field_6;
+    u8 field_8;
+};
+
+EWRAM_DATA struct ItemPcResources * gUnknown_203ADBC = NULL;
+EWRAM_DATA u32 gUnknown_203ADC0 = 0;
+EWRAM_DATA u32 gUnknown_203ADC4 = 0;
+EWRAM_DATA u32 gUnknown_203ADC8 = 0;
+EWRAM_DATA struct ItemPcStaticResources gUnknown_203ADCC = {};
+
+void sub_810D4A0(void);
+bool8 sub_810D4C0(void);
+void sub_810D6AC(void);
+bool8 sub_810D71C(void);
+bool8 sub_810D78C(void);
+bool8 sub_810D83C(void);
+void sub_810D878(void);
+void sub_810E8F0(void);
+void sub_810DB34(void);
+void sub_810DB5C(void);
+void sub_810DBF0(void);
+void sub_810DDA4(void);
+void sub_810DE08(void);
+void sub_810DE94(u8);
+void sub_810DEA0(u8 taskId);
+
+void sub_810D3F4(u8 a0, MainCallback callback)
+{
+    u8 i;
+
+    if (a0 >= 2)
+    {
+        SetMainCallback2(callback);
+        return;
+    }
+    if ((gUnknown_203ADBC = Alloc(sizeof(struct ItemPcResources))) == NULL)
+    {
+        SetMainCallback2(callback);
+        return;
+    }
+    if (a0 != 1)
+    {
+        gUnknown_203ADCC.field_0 = callback;
+        gUnknown_203ADCC.field_4 = gUnknown_203ADCC.field_6 = 0;
+    }
+    gUnknown_203ADBC->field_04 = 0xFF;
+    gUnknown_203ADBC->field_05 = 0;
+    gUnknown_203ADBC->field_08 = 0xFF;
+    gUnknown_203ADBC->field_00 = 0;
+    for (i = 0; i < 3; i++)
+    {
+        gUnknown_203ADBC->field_0C[i] = 0;
+    }
+    SetMainCallback2(sub_810D4A0);
+}
+
+void sub_810D470(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    do_scheduled_bg_tilemap_copies_to_vram();
+    UpdatePaletteFade();
+}
+
+void sub_810D48C(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_810D4A0(void)
+{
+    while (1)
+    {
+        if (sub_810D4C0() == TRUE)
+            break;
+        if (sub_80BF708() == TRUE)
+            break;
+    }
+}
+
+bool8 sub_810D4C0(void)
+{
+    u8 taskId;
+    switch (gMain.state)
+    {
+    case 0:
+        VblankHblankHandlerSetZero();
+        clear_scheduled_bg_copies_to_vram();
+        gMain.state++;
+        break;
+    case 1:
+        ScanlineEffect_Stop();
+        gMain.state++;
+        break;
+    case 2:
+        FreeAllSpritePalettes();
+        gMain.state++;
+        break;
+    case 3:
+        ResetPaletteFade();
+        gMain.state++;
+        break;
+    case 4:
+        ResetSpriteData();
+        gMain.state++;
+        break;
+    case 5:
+        sub_80984D8();
+        gMain.state++;
+        break;
+    case 6:
+        ResetTasks();
+        gMain.state++;
+        break;
+    case 7:
+        if (sub_810D71C())
+        {
+            gUnknown_203ADBC->field_0C[0] = 0;
+            gMain.state++;
+        }
+        else
+        {
+            sub_810D6AC();
+            return TRUE;
+        }
+        break;
+    case 8:
+        if (sub_810D78C() == TRUE)
+            gMain.state++;
+        break;
+    case 9:
+        sub_810E8F0();
+        gMain.state++;
+        break;
+    case 10:
+        sub_810DDA4();
+        sub_810DBF0();
+        sub_810DE08();
+        gMain.state++;
+        break;
+    case 11:
+        if (sub_810D83C())
+            gMain.state++;
+        else
+        {
+            sub_810D6AC();
+            return TRUE;
+        }
+        break;
+    case 12:
+        sub_810D878();
+        gMain.state++;
+        break;
+    case 13:
+        sub_810DB34();
+        gMain.state++;
+        break;
+    case 14:
+        sub_80985E4();
+        gMain.state++;
+        break;
+    case 15:
+        taskId = CreateTask(sub_810DEA0, 0);
+        gTasks[taskId].data[0] = ListMenuInit(&gMultiuseListMenuTemplate, gUnknown_203ADCC.field_4, gUnknown_203ADCC.field_6);
+        gMain.state++;
+        break;
+    case 16:
+        sub_810DB5C();
+        gMain.state++;
+        break;
+    case 17:
+        HelpSystem_SetSomeVariable2(29);
+        gMain.state++;
+        break;
+    case 18:
+        if (gUnknown_203ADCC.field_8 == 1)
+        {
+            BlendPalettes(0xFFFFFFFF, 16, RGB_BLACK);
+        }
+        gMain.state++;
+        break;
+    case 19:
+        if (gUnknown_203ADCC.field_8 == 1)
+        {
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, RGB_BLACK);
+        }
+        else
+        {
+            sub_80A0A48(0, 0, 0);
+            sub_810DE94(1);
+            PlaySE(SE_PC_LOGON);
+        }
+        gMain.state++;
+        break;
+    case 20:
+        if (sub_80BF72C() != TRUE)
+            gMain.state++;
+        break;
+    default:
+        SetVBlankCallback(sub_810D48C);
+        SetMainCallback2(sub_810D470);
+        return TRUE;
+    }
+    return FALSE;
+}