pokedex_screen through sub_810250C

1 files changed, 120 insertions, 0 deletions

diff --git a/src/pokedex_screen.c b/src/pokedex_screen.c
new file mode 100644
index 000000000..1731f1cec
--- /dev/null
+++ b/src/pokedex_screen.c
@@ -0,0 +1,120 @@
+#include "global.h"
+#include "bg.h"
+#include "malloc.h"
+#include "palette.h"
+#include "graphics.h"
+#include "dma3.h"
+#include "gpu_regs.h"
+#include "m4a.h"
+#include "scanline_effect.h"
+#include "task.h"
+#include "text.h"
+#include "window.h"
+#include "new_menu_helpers.h"
+#include "sound.h"
+#include "event_data.h"
+
+struct PokedexScreenData
+{
+    u8 field_00;
+    u8 filler_01[0x43];
+    void * field_44;
+    u8 filler_48[0x1E];
+    u16 field_66;
+    u16 field_68;
+    u16 field_6A;
+    u16 field_6C;
+};
+
+EWRAM_DATA struct PokedexScreenData * gUnknown_203ACF0 = NULL;
+
+void sub_810287C(u8 taskId);
+u16 sub_8104BBC(u8 a0, u8 a1);
+
+extern const u32 gUnknown_8440274[];
+extern const u32 gUnknown_84403AC[];
+extern const u16 gUnknown_84404C8[];
+extern const u16 gUnknown_84406E0[];
+extern const struct BgTemplate gUnknown_8451EBC[4];
+extern const struct WindowTemplate gUnknown_8451ECC[];
+extern const struct PokedexScreenData gUnknown_8451EE4;
+
+void sub_81024C0(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_81024D4(void)
+{
+    if (!gPaletteFade.active || IsDma3ManagerBusyWithBgCopy())
+    {
+        RunTasks();
+        RunTextPrinters();
+        AnimateSprites();
+        BuildOamBuffer();
+    }
+    else
+    {
+        UpdatePaletteFade();
+    }
+}
+
+void sub_810250C(void)
+{
+    bool8 natDex;
+    u8 taskId;
+
+    natDex = IsNationalPokedexEnabled();
+    m4aSoundVSyncOff();
+    SetVBlankCallback(NULL);
+    ResetPaletteFade();
+    ResetSpriteData();
+    ResetTasks();
+    ScanlineEffect_Stop();
+    ResetBgsAndClearDma3BusyFlags(TRUE);
+    InitBgsFromTemplates(0, gUnknown_8451EBC, NELEMS(gUnknown_8451EBC));
+    SetBgTilemapBuffer(3, Alloc(BG_SCREEN_SIZE));
+    SetBgTilemapBuffer(2, Alloc(BG_SCREEN_SIZE));
+    SetBgTilemapBuffer(1, Alloc(BG_SCREEN_SIZE));
+    SetBgTilemapBuffer(0, Alloc(BG_SCREEN_SIZE));
+    if (natDex)
+        DecompressAndLoadBgGfxUsingHeap(3, gUnknown_84403AC, BG_SCREEN_SIZE, 0, 0);
+    else
+        DecompressAndLoadBgGfxUsingHeap(3, gUnknown_8440274, BG_SCREEN_SIZE, 0, 0);
+    InitWindows(gUnknown_8451ECC);
+    DeactivateAllTextPrinters();
+    m4aSoundVSyncOn();
+    SetVBlankCallback(sub_81024C0);
+    EnableInterrupts(INTR_FLAG_VBLANK);
+    taskId = CreateTask(sub_810287C, 0);
+    gUnknown_203ACF0 = Alloc(sizeof(*gUnknown_203ACF0));
+    *gUnknown_203ACF0 = gUnknown_8451EE4;
+    gUnknown_203ACF0->field_00 = taskId;
+    gUnknown_203ACF0->field_44 = Alloc(0xC10);
+    gUnknown_203ACF0->field_6A = sub_8104BBC(0, 1);
+    gUnknown_203ACF0->field_6C = sub_8104BBC(1, 1);
+    gUnknown_203ACF0->field_66 = sub_8104BBC(0, 0);
+    gUnknown_203ACF0->field_68 = sub_8104BBC(1, 0);
+    sub_8072474(0x80);
+    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);
+    gPaletteFade.bufferTransferDisabled = TRUE;
+    if (natDex)
+        LoadPalette(gUnknown_84406E0, 0, 0x200);
+    else
+        LoadPalette(gUnknown_84404C8, 0, 0x200);
+    FillBgTilemapBufferRect(3, 0x001, 0, 0, 32, 32, 0);
+    FillBgTilemapBufferRect(2, 0x000, 0, 0, 32, 32, 0x11);
+    FillBgTilemapBufferRect(1, 0x000, 0, 0, 32, 32, 0x11);
+    FillBgTilemapBufferRect(0, 0x0003, 0, 0, 32, 2, 0xF);
+    FillBgTilemapBufferRect(0, 0x0000, 0, 2, 32, 16, 0x11);
+    FillBgTilemapBufferRect(0, 0x003, 0, 18, 32, 2, 0xF);
+}