1 files changed, 93 insertions, 0 deletions
diff --git a/src/birch_pc.c b/src/birch_pc.c
new file mode 100644
index 000000000..0f44824f7
--- /dev/null
+++ b/src/birch_pc.c
@@ -0,0 +1,93 @@
+#include "global.h"
+#include "event_data.h"
+#include "field_message_box.h"
+#include "pokedex.h"
+#include "constants/species.h"
+#include "strings.h"
+
+extern u16 gSpecialVar_0x8004;
+extern u16 gSpecialVar_0x8005;
+extern u16 gSpecialVar_0x8006;
+
+bool16 ScriptGetPokedexInfo(void)
+{
+    if (gSpecialVar_0x8004 == 0) // is national dex not present?
+    {
+        gSpecialVar_0x8005 = GetHoennPokedexCount(0);
+        gSpecialVar_0x8006 = GetHoennPokedexCount(1);
+    }
+    else
+    {
+        gSpecialVar_0x8005 = GetNationalPokedexCount(0);
+        gSpecialVar_0x8006 = GetNationalPokedexCount(1);
+    }
+
+    return IsNationalPokedexEnabled();
+}
+
+// This shows your Hoenn Pokedex rating and not your National Dex.
+const u8 *GetPokedexRatingText(u16 count)
+{
+    if (count < 10)
+        return gBirchDexRatingText_LessThan10;
+    if (count < 20)
+        return gBirchDexRatingText_LessThan20;
+    if (count < 30)
+        return gBirchDexRatingText_LessThan30;
+    if (count < 40)
+        return gBirchDexRatingText_LessThan40;
+    if (count < 50)
+        return gBirchDexRatingText_LessThan50;
+    if (count < 60)
+        return gBirchDexRatingText_LessThan60;
+    if (count < 70)
+        return gBirchDexRatingText_LessThan70;
+    if (count < 80)
+        return gBirchDexRatingText_LessThan80;
+    if (count < 90)
+        return gBirchDexRatingText_LessThan90;
+    if (count < 100)
+        return gBirchDexRatingText_LessThan100;
+    if (count < 110)
+        return gBirchDexRatingText_LessThan110;
+    if (count < 120)
+        return gBirchDexRatingText_LessThan120;
+    if (count < 130)
+        return gBirchDexRatingText_LessThan130;
+    if (count < 140)
+        return gBirchDexRatingText_LessThan140;
+    if (count < 150)
+        return gBirchDexRatingText_LessThan150;
+    if (count < 160)
+        return gBirchDexRatingText_LessThan160;
+    if (count < 170)
+        return gBirchDexRatingText_LessThan170;
+    if (count < 180)
+        return gBirchDexRatingText_LessThan180;
+    if (count < 190)
+        return gBirchDexRatingText_LessThan190;
+    if (count < 200)
+        return gBirchDexRatingText_LessThan200;
+    if (count == 200)
+    {
+        if (GetSetPokedexFlag(SpeciesToNationalPokedexNum(SPECIES_JIRACHI), 1)
+         || GetSetPokedexFlag(SpeciesToNationalPokedexNum(SPECIES_DEOXYS), 1)) // Jirachi or Deoxys is not counted towards the dex completion. If either of these flags are enabled, it means the actual count is less than 200.
+            return gBirchDexRatingText_LessThan200;
+        return gBirchDexRatingText_DexCompleted;
+    }
+    if (count == 201)
+    {
+        if (GetSetPokedexFlag(SpeciesToNationalPokedexNum(SPECIES_JIRACHI), 1)
+         && GetSetPokedexFlag(SpeciesToNationalPokedexNum(SPECIES_DEOXYS), 1)) // If both of these flags are enabled, it means the actual count is less than 200.
+            return gBirchDexRatingText_LessThan200;
+        return gBirchDexRatingText_DexCompleted;
+    }
+    if (count == 202)
+        return gBirchDexRatingText_DexCompleted; // Hoenn dex is considered complete, even though the hoenn dex count is 210.
+    return gBirchDexRatingText_LessThan10;
+}
+
+void ShowPokedexRatingMessage(void)
+{
+    ShowFieldMessage(GetPokedexRatingText(gSpecialVar_0x8004));
+}