decompile sub_80FA8EC - sub_80FAB60

1 files changed, 155 insertions, 0 deletions

diff --git a/src/region_map.c b/src/region_map.c
new file mode 100644
index 000000000..301c3c082
--- /dev/null
+++ b/src/region_map.c
@@ -0,0 +1,155 @@
+#include "global.h"
+#include "palette.h"
+#include "sprite.h"
+
+struct UnknownStruct1
+{
+    u8 filler0[0x14];
+    u16 unk14;
+    u8 unk16;
+    u8 filler17[1];
+    u8 (*unk18)(void);
+    struct Sprite *unk1C;
+    struct Sprite *unk20;
+    u8 filler24[0x30];
+    u16 unk54;
+    u16 unk56;
+    u16 unk58;
+    u16 unk5A;
+    s16 unk5C;
+    s16 unk5E;
+    u8 filler60[4];
+    u16 unk64;
+    u16 unk66;
+    u8 filler68[8];
+    u16 unk70;
+    u16 unk72;
+    u16 unk74;
+    u16 unk76;
+    u8 unk78;
+    u8 unk79;
+    u8 unk7A;
+    u8 filler7B[3];
+    u8 unk7E;
+    u8 filler7F[0x101];
+    u8 unk180[0x100];
+    u8 unk280[0x100];
+};
+
+extern struct UnknownStruct1 *gUnknown_020388CC;
+
+const u16 gPokenavCursor_Pal[] = INCBIN_U16("graphics/pokenav/cursor.gbapal");
+const u8 gUnknown_083E5AF0[] = INCBIN_U8("graphics/pokenav/cursor_small.4bpp.lz");
+const u8 gUnknown_083E5B34[] = INCBIN_U8("graphics/pokenav/cursor_large.4bpp.lz");
+const u16 gRegionMapBrendanIconPalette[] = INCBIN_U16("graphics/pokenav/brendan_icon.gbapal");
+const u8 gRegionMapBrendanIconTiles[] = INCBIN_U8("graphics/pokenav/brendan_icon.4bpp");
+const u16 gRegionMapMayIconPalette[] = INCBIN_U16("graphics/pokenav/may_icon.gbapal");
+const u8 gRegionMapMayIconTiles[] = INCBIN_U8("graphics/pokenav/may_icon.4bpp");
+const u16 gUnknown_083E5D60[] = INCBIN_U16("graphics/pokenav/region_map.gbapal");
+const u8 gUnknown_083E5DA0[] = INCBIN_U8("graphics/pokenav/region_map.8bpp.lz");
+const u8 gUnknown_083E6B04[] = INCBIN_U8("graphics/pokenav/region_map_map.bin.lz");
+
+void sub_80FA904(struct UnknownStruct1 *, u8);
+bool8 sub_80FA940(void);
+u8 sub_80FAB78(void);
+u8 sub_80FAD04(void);
+void sub_80FB170();
+void sub_80FB260(void);
+void sub_80FB32C(void);
+u16 sub_80FB758();
+u16 sub_80FB9C0(u16);
+void sub_80FBA18();
+void sub_80FBFB4();
+
+void sub_80FA8EC(struct UnknownStruct1 *a, u8 b)
+{
+    sub_80FA904(a, b);
+    while (sub_80FA940())
+        ;
+}
+
+void sub_80FA904(struct UnknownStruct1 *a, u8 b)
+{
+    gUnknown_020388CC = a;
+    gUnknown_020388CC->unk79 = 0;
+    gUnknown_020388CC->unk78 = b;
+    gUnknown_020388CC->unk18 = (b == 0) ? sub_80FAB78 : sub_80FAD04;
+}
+
+bool8 sub_80FA940(void)
+{
+    switch (gUnknown_020388CC->unk79)
+    {
+    case 0:
+        LZ77UnCompVram(gUnknown_083E5DA0, (void *)(VRAM + 0x8000));
+        break;
+    case 1:
+        LZ77UnCompVram(gUnknown_083E6B04, (void *)(VRAM + 0xE000));
+        break;
+    case 2:
+        LoadPalette(gUnknown_083E5D60, 0x70, 0x60);  // Why isn't this the right size?
+        break;
+    case 3:
+        LZ77UnCompWram(gUnknown_083E5AF0, gUnknown_020388CC->unk180);
+        break;
+    case 4:
+        LZ77UnCompWram(gUnknown_083E5B34, gUnknown_020388CC->unk280);
+        break;
+    case 5:
+        sub_80FB32C();
+        gUnknown_020388CC->unk74 = gUnknown_020388CC->unk54;
+        gUnknown_020388CC->unk76 = gUnknown_020388CC->unk56;
+        gUnknown_020388CC->unk16 = sub_80FB758(gUnknown_020388CC->unk14);
+        gUnknown_020388CC->unk14 = sub_80FB9C0(gUnknown_020388CC->unk14);
+        sub_80FBFB4(gUnknown_020388CC, gUnknown_020388CC->unk14, 16);
+        break;
+    case 6:
+        if (gUnknown_020388CC->unk78 == 0)
+        {
+            sub_80FB170(0, 0, 0, 0, 0x100, 0x100, 0);
+        }
+        else
+        {
+            gUnknown_020388CC->unk5C = gUnknown_020388CC->unk54 * 8 - 0x34;
+            gUnknown_020388CC->unk5E = gUnknown_020388CC->unk56 * 8 - 0x44;
+            gUnknown_020388CC->unk64 = gUnknown_020388CC->unk54;
+            gUnknown_020388CC->unk66 = gUnknown_020388CC->unk56;
+            sub_80FB170(gUnknown_020388CC->unk5C, gUnknown_020388CC->unk5E, 0x38, 0x48, 0x80, 0x80, 0);
+        }
+        break;
+    case 7:
+        sub_80FBA18();
+        sub_80FB260();
+        gUnknown_020388CC->unk1C = NULL;
+        gUnknown_020388CC->unk20 = NULL;
+        gUnknown_020388CC->unk7A = 0;
+        gUnknown_020388CC->unk7E = 0;
+        REG_BG2CNT = 0xBC8A;
+        gUnknown_020388CC->unk79++;
+    default:
+        return FALSE;
+    }
+    gUnknown_020388CC->unk79++;
+    return TRUE;
+}
+
+void sub_80FAB10(void)
+{
+    if (gUnknown_020388CC->unk1C != NULL)
+    {
+        DestroySprite(gUnknown_020388CC->unk1C);
+        FreeSpriteTilesByTag(gUnknown_020388CC->unk58);
+        FreeSpritePaletteByTag(gUnknown_020388CC->unk5A);
+    }
+    if (gUnknown_020388CC->unk20 != NULL)
+    {
+        DestroySprite(gUnknown_020388CC->unk20);
+        FreeSpriteTilesByTag(gUnknown_020388CC->unk70);
+        FreeSpritePaletteByTag(gUnknown_020388CC->unk72);
+    }
+}
+
+u8 sub_80FAB60(void)
+{
+    return gUnknown_020388CC->unk18();
+}