From 36ffe3a521450760358c18d45881ae2e8fb574df Mon Sep 17 00:00:00 2001
From: SternXD <stern@sidestore.io>
Date: Thu, 20 Nov 2025 19:03:03 -0500
Subject: [PATCH] GameList: Add RegionToFlagFilename function to map regions to
 flag filenames

Signed-off-by: SternXD <stern@sidestore.io>
---
 pcsx2/GameList.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 pcsx2/GameList.h   |  1 +
 2 files changed, 39 insertions(+)

diff --git a/pcsx2/GameList.cpp b/pcsx2/GameList.cpp
index ab3f9ffe92..cc242dcd6c 100644
--- a/pcsx2/GameList.cpp
+++ b/pcsx2/GameList.cpp
@@ -150,6 +150,44 @@ const char* GameList::RegionToString(Region region, bool translate)
 	return name;
 }
 
+const char* GameList::RegionToFlagFilename(Region region)
+{
+	static constexpr std::array<const char*, static_cast<int>(Region::Count)> flag_names = {
+		"br",  // NTSC-B
+		"cn",  // NTSC-C
+		"hk",  // NTSC-HK
+		"jp",  // NTSC-J
+		"kr",  // NTSC-K
+		"tw",  // NTSC-T
+		"us",  // NTSC-U
+		"Other",  // Other
+		"au",  // PAL-A
+		"za",  // PAL-AF
+		"at",  // PAL-AU
+		"be",  // PAL-BE
+		"eu",  // PAL-E
+		"fr",  // PAL-F
+		"fi",  // PAL-FI
+		"de",  // PAL-G
+		"gr",  // PAL-GR
+		"it",  // PAL-I
+		"in",  // PAL-IN
+		"eu",  // PAL-M
+		"nl",  // PAL-NL
+		"no",  // PAL-NO
+		"pt",  // PAL-P
+		"pl",  // PAL-PL
+		"ru",  // PAL-R
+		"es",  // PAL-S
+		"scn",  // PAL-SC
+		"se",  // PAL-SW
+		"ch",  // PAL-SWI
+		"gb",  // PAL-UK
+	};
+
+	return flag_names.at(static_cast<int>(region));
+}
+
 const char* GameList::EntryCompatibilityRatingToString(CompatibilityRating rating, bool translate)
 {
 	const char* name = "";
diff --git a/pcsx2/GameList.h b/pcsx2/GameList.h
index 107e487fe1..b639161614 100644
--- a/pcsx2/GameList.h
+++ b/pcsx2/GameList.h
@@ -106,6 +106,7 @@ namespace GameList
 
 	const char* EntryTypeToString(EntryType type, bool translate);
 	const char* RegionToString(Region region, bool translate);
+	const char* RegionToFlagFilename(Region region);
 	const char* EntryCompatibilityRatingToString(CompatibilityRating rating, bool translate);
 
 	/// Fills in boot parameters (iso or elf) based on the game list entry.