start to port mystery gift from emerald

1 files changed, 188 insertions, 0 deletions

diff --git a/src/mystery_gift_menu.c b/src/mystery_gift_menu.c
new file mode 100644
index 000000000..7b7fd71a1
--- /dev/null
+++ b/src/mystery_gift_menu.c
@@ -0,0 +1,188 @@
+#include "global.h"
+#include "palette.h"
+#include "dma3.h"
+#include "gpu_regs.h"
+#include "bg.h"
+#include "task.h"
+#include "scanline_effect.h"
+#include "malloc.h"
+#include "text.h"
+#include "window.h"
+#include "text_window.h"
+#include "new_menu_helpers.h"
+#include "sound.h"
+#include "mystery_gift_menu.h"
+#include "link_rfu.h"
+#include "constants/songs.h"
+
+EWRAM_DATA u8 sDownArrowCounterAndYCoordIdx[8] = {};
+EWRAM_DATA bool8 gGiftIsFromEReader = FALSE;
+
+static const u16 gUnkTextboxBorderPal[] = INCBIN_U16("graphics/interface/unk_textbox_border.gbapal");
+static const u32 gUnkTextboxBorderGfx[] = INCBIN_U32("graphics/interface/unk_textbox_border.4bpp.lz");
+
+struct MysteryGiftTaskData
+{
+    u16 curPromptWindowId;
+    u16 unk2;
+    u16 unk4;
+    u16 unk6;
+    u8 state;
+    u8 textState;
+    u8 unkA;
+    u8 unkB;
+    u8 IsCardOrNews;
+    u8 source;
+    u8 prevPromptWindowId;
+    u8 * buffer;
+};
+
+static const struct BgTemplate sBGTemplates[] = {
+    {
+        .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
+    }
+};
+
+static const struct WindowTemplate sMainWindows[] = {
+    {
+        .priority = 0x00,
+        .tilemapLeft = 0x00,
+        .tilemapTop = 0x00,
+        .width = 0x1e,
+        .height = 0x02,
+        .paletteNum = 0x0f,
+        .baseBlock = 0x0013
+    }, {
+        .priority = 0x00,
+        .tilemapLeft = 0x01,
+        .tilemapTop = 0x0f,
+        .width = 0x1c,
+        .height = 0x04,
+        .paletteNum = 0x0f,
+        .baseBlock = 0x004f
+    }, {
+        .priority = 0x00,
+        .tilemapLeft = 0x00,
+        .tilemapTop = 0x0f,
+        .width = 0x1e,
+        .height = 0x05,
+        .paletteNum = 0x0d,
+        .baseBlock = 0x004f
+    }, {
+        0xFF
+    }
+};
+
+void vblankcb_mystery_gift_e_reader_run(void)
+{
+    ProcessSpriteCopyRequests();
+    LoadOam();
+    TransferPlttBuffer();
+}
+
+void c2_mystery_gift_e_reader_run(void)
+{
+    RunTasks();
+    RunTextPrinters();
+    AnimateSprites();
+    BuildOamBuffer();
+}
+
+bool32 HandleMysteryGiftOrEReaderSetup(s32 mg_or_ereader)
+{
+    switch (gMain.state)
+    {
+    case 0:
+        SetVBlankCallback(NULL);
+        ResetPaletteFade();
+        ResetSpriteData();
+        FreeAllSpritePalettes();
+        ResetTasks();
+        ScanlineEffect_Stop();
+        ResetBgsAndClearDma3BusyFlags(1);
+
+        InitBgsFromTemplates(0, sBGTemplates, ARRAY_COUNT(sBGTemplates));
+        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));
+
+        sub_814FE40(0, 10, 0xE0);
+        sub_814FDA0(0,  1, 0xF0);
+        sub_80F696C(3, gUnkTextboxBorderGfx, 0x100, 0, 0);
+        InitWindows(sMainWindows);
+        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);
+        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_8142420();
+        sub_8142344(mg_or_ereader, 0);
+        gMain.state++;
+        break;
+    case 2:
+        CopyBgTilemapBufferToVram(3);
+        CopyBgTilemapBufferToVram(2);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(0);
+        gMain.state++;
+        break;
+    case 3:
+        ShowBg(0);
+        ShowBg(3);
+        PlayBGM(BGM_FRLG_MYSTERY_GIFT);
+        SetVBlankCallback(vblankcb_mystery_gift_e_reader_run);
+        EnableInterrupts(INTR_FLAG_VBLANK | INTR_FLAG_VCOUNT | INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL);
+        return TRUE;
+    }
+
+    return FALSE;
+}
+