From 5dcd3c8ee0cc713bee5c12c40cfa6afc76a6b4bc Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Mon, 2 Nov 2026 12:49:25 +0000
Subject: [PATCH] Decompile 4 functions in
 Source/UI/GameSettings/GameSettingsUI.cpp,
 Source/UI/GameSettings/GameSettingsUI.h

Batch #9985 by ragnarok-clanker: 0 byte-identical, 4 confirmed by peer review.

- fn_15341 CUIListBoxEx<GameSettingsUI::CUIComboItem,RenderAdapter>::CUIListBoxEx<GameSettingsUI::CUIComboItem,RenderAdapter>: logic confirmed by peer review
- fn_15348 CUIListBoxEx<GameSettingsUI::CUIComboItem,RenderAdapter>::~CUIListBoxEx<GameSettingsUI::CUIComboItem,RenderAdapter>: logic confirmed by peer review
- fn_15892 GameSettingsUI::CUIGroupGraphics::CUIGroupGraphics: logic confirmed by peer review
- fn_15989 GameSettingsUI::CUIGroupGraphics::Slot16: logic confirmed by peer review

Reviewed-by: ragnarok-clanker
---
 Source/UI/GameSettings/GameSettingsUI.cpp | 41 +++++++++++++++++++++++
 Source/UI/GameSettings/GameSettingsUI.h   |  1 +
 2 files changed, 42 insertions(+)

diff --git a/Source/UI/GameSettings/GameSettingsUI.cpp b/Source/UI/GameSettings/GameSettingsUI.cpp
index 659e939f..9bb063ca 100644
--- a/Source/UI/GameSettings/GameSettingsUI.cpp
+++ b/Source/UI/GameSettings/GameSettingsUI.cpp
@@ -99,6 +99,8 @@ std::map<int, int> g_optionHotkeys;
 // GLOBAL: gl_25229
 bool g_restartClient;
 
+RenderAdapter sub_56A0F0();
+
 // OFFSET: 0x00A3D0A0
 // FUNCTION: fn_15905
 RenderAdapter::RenderAdapter() : backend(0), ordinal(0), drawGuid{}, renderGuid{}, deviceGuid{} {
@@ -2097,6 +2099,24 @@ void GameSettingsUI::CUIGroupFullscreen::Slot16() {
   this->m_offText->SetText(offText, std::strlen(offText));
 }
 
+// OFFSET: 0x00A41260
+// FUNCTION: fn_15989
+void GameSettingsUI::CUIGroupGraphics::Slot16() {
+  const char* title = LookupMessage(0xc6d);
+  this->m_title->SetText(title, std::strlen(title));
+  const char* modeText = LookupMessage(0xc6e);
+  this->m_modeText->SetText(modeText, std::strlen(modeText));
+  GetRenderSystemHolder();
+  this->m_pendingAdapter = sub_56A0F0();
+  this->m_adapter = this->m_pendingAdapter;
+  DisplayMode mode{};
+  mode.width = g_configuredScreenWidth;
+  mode.height = g_configuredScreenHeight;
+  mode.bitsPerPixel = g_configuredBitsPerPixel;
+  this->m_pendingMode = std::move(mode);
+  this->m_mode = this->m_pendingMode;
+}
+
 // OFFSET: 0x00A41510
 // FUNCTION: fn_15990
 void GameSettingsUI::CUIGroupGraphicsAPI::Slot16() {
@@ -2150,6 +2170,14 @@ void GameSettingsUI::CUIGroupTrilinear::Slot16() {
   this->m_offText->SetText(offText, std::strlen(offText));
 }
 
+// OFFSET: 0x00A193A0
+// FUNCTION: fn_15341
+template <>
+CUIListBoxEx<GameSettingsUI::CUIComboItem, RenderAdapter>::CUIListBoxEx(UIWindowContext& context)
+    : CUIControl(context), scrollBar(nullptr), itemWidth(0), rowHeight(0), itemX(0), itemY(0), unknown_00C4(0), selected(static_cast<unsigned int>(-1)),
+      unknown_00E0(1), rebind(0) {
+}
+
 // OFFSET: 0x00A19560
 // FUNCTION: fn_15342
 template <>
@@ -2317,6 +2345,13 @@ GameSettingsUI::CUIGroupEmblem::CUIGroupEmblem(UIWindowContext& context) : CUIGr
 GameSettingsUI::CUIGroupFullscreen::CUIGroupFullscreen(UIWindowContext& context) : CUIGroup(context), m_onButton(nullptr), m_onText(nullptr), m_offButton(nullptr), m_offText(nullptr) {
 }
 
+// OFFSET: 0x00A3C7E0
+// FUNCTION: fn_15892
+GameSettingsUI::CUIGroupGraphics::CUIGroupGraphics(UIWindowContext& context)
+    : CUIGroup(context), m_adapterCombo(nullptr), m_modeText(nullptr), m_modeCombo(nullptr),
+      m_adapter(), m_pendingAdapter(), m_mode(), m_pendingMode() {
+}
+
 // OFFSET: 0x00A3C910
 // FUNCTION: fn_15893
 GameSettingsUI::CUIGroupGraphicsAPI::CUIGroupGraphicsAPI(UIWindowContext& context) : CUIGroup(context), m_combo(nullptr), m_backend(-1), m_pendingBackend(-1) {
@@ -3662,6 +3697,12 @@ void CUIGameSettingsUI::ResetToDefaults() {
   }
 }
 
+// OFFSET: 0x00A1A1C0
+// FUNCTION: fn_15348
+template <>
+CUIListBoxEx<GameSettingsUI::CUIComboItem, RenderAdapter>::~CUIListBoxEx() {
+}
+
 // OFFSET: 0x00A1A320
 // FUNCTION: fn_15349
 template <>
diff --git a/Source/UI/GameSettings/GameSettingsUI.h b/Source/UI/GameSettings/GameSettingsUI.h
index a49b4e0b..224c4efc 100644
--- a/Source/UI/GameSettings/GameSettingsUI.h
+++ b/Source/UI/GameSettings/GameSettingsUI.h
@@ -104,6 +104,7 @@ class CUIGroupGraphics : public CUIGroup {
 public:
   __declspec(noinline) explicit CUIGroupGraphics(UIWindowContext& context);
   void Slot15(int width, int height) override;
+  void Slot16() override;
   void Refresh() override;
   int GetPendingBackend();
   void LoadAdapters();