Start decompiling mystery gift

1 files changed, 253 insertions, 0 deletions

diff --git a/src/mystery_gift.c b/src/mystery_gift.c
new file mode 100644
index 000000000..b6c317281
--- /dev/null
+++ b/src/mystery_gift.c
@@ -0,0 +1,253 @@
+#include "global.h"
+#include "main.h"
+#include "text.h"
+#include "task.h"
+#include "alloc.h"
+#include "gpu_regs.h"
+#include "scanline_effect.h"
+#include "text_window.h"
+#include "bg.h"
+#include "window.h"
+#include "text_window.h"
+#include "menu.h"
+#include "palette.h"
+#include "constants/songs.h"
+#include "sound.h"
+#include "mystery_gift.h"
+
+void bgid_upload_textbox_1(u8 bgId);
+void sub_8018798(u8);
+void sub_80186EC(u8, u8);
+
+const u16 gUnkTextboxBorderPal[] = INCBIN_U16("graphics/interface/unk_textbox_border.gbapal");
+const u32 gUnkTextboxBorderGfx[] = INCBIN_U32("graphics/interface/unk_textbox_border.4bpp.lz");
+
+const struct BgTemplate gUnknown_082F0598[] = {
+    {
+        .bg = 0,
+        .charBaseIndex = 2,
+        .mapBaseIndex = 15,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 0,
+        .baseTile = 0x000
+    }, {
+        .bg = 1,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 14,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 1,
+        .baseTile = 0x000
+    }, {
+        .bg = 2,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 13,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 2,
+        .baseTile = 0x000
+    }, {
+        .bg = 3,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 12,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 3,
+        .baseTile = 0x000
+    }
+};
+
+const struct WindowTemplate gUnknown_082F05A8[] = {
+    {
+        .bg = 0x00,
+        .tilemapLeft = 0x00,
+        .tilemapTop = 0x00,
+        .width = 0x1e,
+        .height = 0x02,
+        .paletteNum = 0x0c,
+        .baseBlock = 0x0013
+    }, {
+        .bg = 0x00,
+        .tilemapLeft = 0x01,
+        .tilemapTop = 0x0f,
+        .width = 0x1c,
+        .height = 0x04,
+        .paletteNum = 0x0c,
+        .baseBlock = 0x004f
+    }, {
+        .bg = 0x00,
+        .tilemapLeft = 0x00,
+        .tilemapTop = 0x0f,
+        .width = 0x1e,
+        .height = 0x05,
+        .paletteNum = 0x0d,
+        .baseBlock = 0x004f
+    }, {
+        0xFF
+    }
+};
+
+const struct WindowTemplate gUnknown_082F05C8 = {
+    .bg = 0x00,
+    .tilemapLeft = 0x01,
+    .tilemapTop = 0x0f,
+    .width = 0x1c,
+    .height = 0x04,
+    .paletteNum = 0x0c,
+    .baseBlock = 0x00e5
+};
+
+const struct WindowTemplate gUnknown_082F05D0 = {
+    .bg = 0x00,
+    .tilemapLeft = 0x01,
+    .tilemapTop = 0x0f,
+    .width = 0x14,
+    .height = 0x04,
+    .paletteNum = 0x0c,
+    .baseBlock = 0x00e5
+};
+
+const struct WindowTemplate gUnknown_082F05D8 = {
+    .bg = 0x00,
+    .tilemapLeft = 0x01,
+    .tilemapTop = 0x0f,
+    .width = 0x13,
+    .height = 0x04,
+    .paletteNum = 0x0c,
+    .baseBlock = 0x00e5
+};
+
+const struct WindowTemplate gUnknown_082F05E0 = {
+    .bg = 0x00,
+    .tilemapLeft = 0x08,
+    .tilemapTop = 0x06,
+    .width = 0x0e,
+    .height = 0x06,
+    .paletteNum = 0x0c,
+    .baseBlock = 0x0155
+};
+
+const struct WindowTemplate gUnknown_082F05E8 = {
+    .bg = 0x00,
+    .tilemapLeft = 0x17,
+    .tilemapTop = 0x0f,
+    .width = 0x06,
+    .height = 0x04,
+    .paletteNum = 0x0c,
+    .baseBlock = 0x0155
+};
+
+const struct WindowTemplate gUnknown_082F05F0 = {
+    .bg = 0x00,
+    .tilemapLeft = 0x16,
+    .tilemapTop = 0x0b,
+    .width = 0x07,
+    .height = 0x08,
+    .paletteNum = 0x0c,
+    .baseBlock = 0x0155
+};
+
+const struct WindowTemplate gUnknown_082F05F8 = {
+    .bg = 0x00,
+    .tilemapLeft = 0x16,
+    .tilemapTop = 0x0d,
+    .width = 0x07,
+    .height = 0x06,
+    .paletteNum = 0x0c,
+    .baseBlock = 0x0155
+};
+
+const struct WindowTemplate gUnknown_082F0600 = {
+    .bg = 0x00,
+    .tilemapLeft = 0x16,
+    .tilemapTop = 0x0f,
+    .width = 0x07,
+    .height = 0x04,
+    .paletteNum = 0x0c,
+    .baseBlock = 0x0155
+};
+
+void sub_8018424(void)
+{
+    ProcessSpriteCopyRequests();
+    LoadOam();
+    TransferPlttBuffer();
+}
+
+void sub_8018438(void)
+{
+    RunTasks();
+    RunTextPrinters();
+    AnimateSprites();
+    BuildOamBuffer();
+}
+
+bool32 sub_8018450(s32 arg)
+{
+    switch (gMain.state)
+    {
+    case 0:
+        SetVBlankCallback(NULL);
+        ResetPaletteFade();
+        ResetSpriteData();
+        FreeAllSpritePalettes();
+        ResetTasks();
+        ScanlineEffect_Stop();
+        ResetBgsAndClearDma3BusyFlags(0);
+
+        InitBgsFromTemplates(0, gUnknown_082F0598, ARRAY_COUNT(gUnknown_082F0598));
+        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, 0, 0);
+
+        SetBgTilemapBuffer(3, Alloc(0x800));
+        SetBgTilemapBuffer(2, Alloc(0x800));
+        SetBgTilemapBuffer(1, Alloc(0x800));
+        SetBgTilemapBuffer(0, Alloc(0x800));
+
+        bgid_upload_textbox_1(3);
+        InitWindows(gUnknown_082F05A8);
+        DeactivateAllTextPrinters();
+        ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON | DISPCNT_WIN1_ON);
+        SetGpuReg(REG_OFFSET_BLDCNT, 0);
+        SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+        SetGpuReg(REG_OFFSET_BLDY, 0);
+        gMain.state++;
+        break;
+    case 1:
+        LoadPalette(gUnkTextboxBorderPal, 0, 0x20);
+        LoadPalette(stdpal_get(2), 0xd0, 0x20);
+        sub_81978B0(0xC0);
+        LoadUserWindowBorderGfx(0, 0xA, 0xE0);
+        LoadUserWindowBorderGfx_(0, 0x1, 0xF0);
+        FillBgTilemapBufferRect(0, 0x000, 0, 0, 32, 32, 0x11);
+        FillBgTilemapBufferRect(1, 0x000, 0, 0, 32, 32, 0x11);
+        FillBgTilemapBufferRect(2, 0x000, 0, 0, 32, 32, 0x11);
+        sub_8018798(3);
+        sub_80186EC(arg, 0);
+        gMain.state++;
+        break;
+    case 2:
+        CopyBgTilemapBufferToVram(3);
+        CopyBgTilemapBufferToVram(2);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(0);
+        gMain.state++;
+        break;
+    case 3:
+        ShowBg(0);
+        ShowBg(3);
+        PlayBGM(MUS_RG_OKURIMONO);
+        SetVBlankCallback(sub_8018424);
+        EnableInterrupts(INTR_FLAG_VBLANK | INTR_FLAG_VCOUNT | INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL);
+        return TRUE;
+    }
+
+    return FALSE;
+}