From 477baba99fbea3f9dc67c6b307eb28f3d464b78e Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Fri, 30 Oct 2026 01:46:34 +0000
Subject: [PATCH] Decompile 6 functions in Source/UI/Window/UIControl.cpp,
 Source/UI/Lists/UIVScrollBar.h, ...

Batch #4146 by youko: 4 byte-identical, 2 confirmed by peer review.

- fn_13965 CUIVScrollBar::~CUIVScrollBar: logic confirmed by peer review
- fn_13987 CUIListBoxEx<AdventureGuide::CUIItemInfo,AdventureGuide::CItemData>::ClearItems: byte-identical
- fn_13988 CUIListBoxEx<AdventureGuide::CUIMonsterInfo,AdventureGuide::CMonsterData>::ClearItems: byte-identical
- fn_13989 CUIListBoxEx<AdventureGuide::CUIQuestInfo,AdventureGuide::CQuestInfo>::ClearItems: byte-identical
- fn_13990 CUIListBoxEx<AdventureGuide::CUITabInfo,Guide_Intro::Contents>::ClearItems: byte-identical
- fn_13991 CUIAdventureGuide::Slot53: logic confirmed by peer review

Peer-reviewed-by: ragnarok-clanker, superintelligence, tayoba, eAthena, Yommy, Millenium
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
---
 Source/UI/AdventureGuide/UIAdventureGuide.cpp | 59 +++++++++++++++++++
 Source/UI/AdventureGuide/UIAdventureGuide.h   |  6 ++
 Source/UI/Lists/UIVScrollBar.h                |  1 +
 Source/UI/Window/UIControl.cpp                |  5 ++
 4 files changed, 71 insertions(+)

diff --git a/Source/UI/AdventureGuide/UIAdventureGuide.cpp b/Source/UI/AdventureGuide/UIAdventureGuide.cpp
index 1e2bf70b..ff436d27 100644
--- a/Source/UI/AdventureGuide/UIAdventureGuide.cpp
+++ b/Source/UI/AdventureGuide/UIAdventureGuide.cpp
@@ -1,6 +1,7 @@
 #include "Contents/AdventureGuideMgr.h"
 #include "UI/AdventureGuide/UIAdventureGuide.h"
 #include "UI/Lists/UIListBoxTemplate.h"
+#include "Render/Renderer.h"
 #include "UI/Lists/UIVScrollBar.h"
 #include "UI/Text/UIStaticTextControl.h"
 
@@ -8,6 +9,64 @@ template void CUIListBoxEx<AdventureGuide::CUIMonsterInfo, AdventureGuide::CMons
 template void CUIListBox<AdventureGuide::CUITab>::UpdateScrollBar();
 template void CUIListBox<AdventureGuide::CUISubTab>::UpdateScrollBar();
 
+// OFFSET: 0x009C12B0
+// FUNCTION: fn_13987
+template <>
+void CUIListBoxEx<AdventureGuide::CUIItemInfo, AdventureGuide::CItemData>::ClearItems() {
+  for (AdventureGuide::CUIItemInfo* item : this->items) {
+    this->RemoveChild(item, 1);
+  }
+
+  this->items.clear();
+  this->selected = static_cast<unsigned int>(-1);
+}
+
+// OFFSET: 0x009C1310
+// FUNCTION: fn_13988
+template <>
+void CUIListBoxEx<AdventureGuide::CUIMonsterInfo, AdventureGuide::CMonsterData>::ClearItems() {
+  for (AdventureGuide::CUIMonsterInfo* item : this->items) {
+    this->RemoveChild(item, 1);
+  }
+
+  this->items.clear();
+  this->selected = static_cast<unsigned int>(-1);
+}
+
+// OFFSET: 0x009C1370
+// FUNCTION: fn_13989
+template <>
+void CUIListBoxEx<AdventureGuide::CUIQuestInfo, AdventureGuide::CQuestInfo>::ClearItems() {
+  for (AdventureGuide::CUIQuestInfo* item : this->items) {
+    this->RemoveChild(item, 1);
+  }
+
+  this->items.clear();
+  this->selected = static_cast<unsigned int>(-1);
+}
+
+// OFFSET: 0x009C13D0
+// FUNCTION: fn_13990
+template <>
+void CUIListBoxEx<AdventureGuide::CUITabInfo, Guide_Intro::Contents>::ClearItems() {
+  for (AdventureGuide::CUITabInfo* item : this->items) {
+    this->RemoveChild(item, 1);
+  }
+
+  this->items.clear();
+  this->selected = static_cast<unsigned int>(-1);
+}
+
+// OFFSET: 0x009C14F0
+// FUNCTION: fn_13991
+void CUIAdventureGuide::Slot53() {
+  this->unknown_00B4 = 0;
+  this->Resize(750, 468);
+  this->Move((g_renderer->viewport.width - this->geometry.width) / 2, (g_renderer->viewport.height - this->geometry.height) / 2);
+  this->Slot15(this->geometry.width, this->geometry.height);
+  this->Slot16();
+}
+
 namespace AdventureGuide {
 
 // OFFSET: 0x009DC8E0
diff --git a/Source/UI/AdventureGuide/UIAdventureGuide.h b/Source/UI/AdventureGuide/UIAdventureGuide.h
index 82a32283..15c88bf9 100644
--- a/Source/UI/AdventureGuide/UIAdventureGuide.h
+++ b/Source/UI/AdventureGuide/UIAdventureGuide.h
@@ -1,11 +1,17 @@
 #ifndef RAGNAROK_SOURCE_UI_ADVENTUREGUIDE_UIADVENTUREGUIDE_H
 #define RAGNAROK_SOURCE_UI_ADVENTUREGUIDE_UIADVENTUREGUIDE_H
 
+#include "UI/FrameSkin.h"
 #include "UI/Lists/UIListBoxTemplate.h"
 #include "UI/Window/UIControl.h"
 
 #include <string>
 
+class CUIAdventureGuide : public CUIFrameWnd {
+public:
+  virtual void Slot53();
+};
+
 namespace AdventureGuide {
 
 class CUIPage : public CUIControl {
diff --git a/Source/UI/Lists/UIVScrollBar.h b/Source/UI/Lists/UIVScrollBar.h
index 2b9c12f6..d1d02720 100644
--- a/Source/UI/Lists/UIVScrollBar.h
+++ b/Source/UI/Lists/UIVScrollBar.h
@@ -10,6 +10,7 @@
 
 class CUIVScrollBar : public CUIControl {
 public:
+  ~CUIVScrollBar() override;
   void Resize(int width, int height) override;
   void Show(int visible) override;
   void Paint() override;
diff --git a/Source/UI/Window/UIControl.cpp b/Source/UI/Window/UIControl.cpp
index 59f7f059..51bfde80 100644
--- a/Source/UI/Window/UIControl.cpp
+++ b/Source/UI/Window/UIControl.cpp
@@ -163,6 +163,11 @@ void CUIControl::Slot52(int value) {
 void CUIControl::Slot53(int) {
 }
 
+// OFFSET: 0x009C0220
+// FUNCTION: fn_13965
+CUIVScrollBar::~CUIVScrollBar() {
+}
+
 // OFFSET: 0x009F2B70
 // FUNCTION: fn_14726
 void CUIVScrollBar::SetTotal(int value) {