Merge pull request #10591 from keve1227/localized-game-icons

Localize game icons

3 files changed, 40 insertions, 9 deletions

diff --git a/src/core/file_sys/control_metadata.cpp b/src/core/file_sys/control_metadata.cpp
index 50f44f598..cd9ac2e75 100644
--- a/src/core/file_sys/control_metadata.cpp
+++ b/src/core/file_sys/control_metadata.cpp
@@ -23,8 +23,8 @@ const std::array<const char*, 16> LANGUAGE_NAMES{{
     "Portuguese",
     "Russian",
     "Korean",
-    "Taiwanese",
-    "Chinese",
+    "TraditionalChinese",
+    "SimplifiedChinese",
     "BrazilianPortuguese",
 }};
 
@@ -45,17 +45,17 @@ constexpr std::array<Language, 18> language_to_codes = {{
     Language::German,
     Language::Italian,
     Language::Spanish,
-    Language::Chinese,
+    Language::SimplifiedChinese,
     Language::Korean,
     Language::Dutch,
     Language::Portuguese,
     Language::Russian,
-    Language::Taiwanese,
+    Language::TraditionalChinese,
     Language::BritishEnglish,
     Language::CanadianFrench,
     Language::LatinAmericanSpanish,
-    Language::Chinese,
-    Language::Taiwanese,
+    Language::SimplifiedChinese,
+    Language::TraditionalChinese,
     Language::BrazilianPortuguese,
 }};
 
diff --git a/src/core/file_sys/control_metadata.h b/src/core/file_sys/control_metadata.h
index 6a81873b1..c98efb00d 100644
--- a/src/core/file_sys/control_metadata.h
+++ b/src/core/file_sys/control_metadata.h
@@ -84,8 +84,8 @@ enum class Language : u8 {
     Portuguese = 10,
     Russian = 11,
     Korean = 12,
-    Taiwanese = 13,
-    Chinese = 14,
+    TraditionalChinese = 13,
+    SimplifiedChinese = 14,
     BrazilianPortuguese = 15,
 
     Default = 255,
diff --git a/src/core/file_sys/patch_manager.cpp b/src/core/file_sys/patch_manager.cpp
index f786f2add..4e61d4335 100644
--- a/src/core/file_sys/patch_manager.cpp
+++ b/src/core/file_sys/patch_manager.cpp
@@ -25,6 +25,8 @@
 #include "core/file_sys/vfs_layered.h"
 #include "core/file_sys/vfs_vector.h"
 #include "core/hle/service/filesystem/filesystem.h"
+#include "core/hle/service/ns/language.h"
+#include "core/hle/service/set/set.h"
 #include "core/loader/loader.h"
 #include "core/loader/nso.h"
 #include "core/memory/cheat_engine.h"
@@ -624,8 +626,37 @@ PatchManager::Metadata PatchManager::ParseControlNCA(const NCA& nca) const {
 
     auto nacp = nacp_file == nullptr ? nullptr : std::make_unique<NACP>(nacp_file);
 
+    // Get language code from settings
+    const auto language_code =
+        Service::Set::GetLanguageCodeFromIndex(Settings::values.language_index.GetValue());
+
+    // Convert to application language and get priority list
+    const auto application_language =
+        Service::NS::ConvertToApplicationLanguage(language_code)
+            .value_or(Service::NS::ApplicationLanguage::AmericanEnglish);
+    const auto language_priority_list =
+        Service::NS::GetApplicationLanguagePriorityList(application_language);
+
+    // Convert to language names
+    auto priority_language_names = FileSys::LANGUAGE_NAMES; // Copy
+    if (language_priority_list) {
+        for (size_t i = 0; i < priority_language_names.size(); ++i) {
+            // Relies on FileSys::LANGUAGE_NAMES being in the same order as
+            // Service::NS::ApplicationLanguage
+            const auto language_index = static_cast<u8>(language_priority_list->at(i));
+
+            if (language_index < FileSys::LANGUAGE_NAMES.size()) {
+                priority_language_names[i] = FileSys::LANGUAGE_NAMES[language_index];
+            } else {
+                // Not a catastrophe, unlikely to happen
+                LOG_WARNING(Loader, "Invalid language index {}", language_index);
+            }
+        }
+    }
+
+    // Get first matching icon
     VirtualFile icon_file;
-    for (const auto& language : FileSys::LANGUAGE_NAMES) {
+    for (const auto& language : priority_language_names) {
         icon_file = extracted->GetFile(std::string("icon_").append(language).append(".dat"));
         if (icon_file != nullptr) {
             break;