From eeccc9c66ff18174486105f56e97de3eb63c5310 Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Sat, 31 Oct 2026 06:35:16 +0000
Subject: [PATCH] Decompile fn_09536 (UICashShopWnd_Cart::Slot15)

Batch #7304 by aDw: 0 byte-identical, 1 confirmed by peer review.

- fn_09536 UICashShopWnd_Cart::Slot15: logic confirmed by peer review

Peer-reviewed-by: eAthena, gordaoprogramas
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
---
 Source/UI/CashShop/UICashShopWnd.cpp  | 23 +++++++++++++++++++++++
 Source/UI/CashShop/UICashShopWnd.h    |  1 +
 Source/UI/Lists/UIScrollBarVariants.h |  5 +++++
 3 files changed, 29 insertions(+)

diff --git a/Source/UI/CashShop/UICashShopWnd.cpp b/Source/UI/CashShop/UICashShopWnd.cpp
index b44b919e..790f5b56 100644
--- a/Source/UI/CashShop/UICashShopWnd.cpp
+++ b/Source/UI/CashShop/UICashShopWnd.cpp
@@ -364,6 +364,29 @@ void UICashShopWnd::Slot15(int, int) {
   }
 }
 
+// OFFSET: 0x007CF760
+// FUNCTION: fn_09536
+void UICashShopWnd_Cart::Slot15(int, int) {
+  this->m_scrollBar = new UIScrollBar_Custom(*this->m_context);
+  this->m_scrollBar->Configure(this->geometry.width - 7, 0, this->geometry.height, 1, 7, 7);
+  this->m_scrollBar->SetArrowBitmaps("유저인터페이스\\cashshop\\shop_scroll_up.bmp", "유저인터페이스\\cashshop\\shop_scroll_down.bmp");
+  this->m_scrollBar->SetThumbBitmaps(
+    "유저인터페이스\\cashshop\\shop_bar_up.bmp", "유저인터페이스\\cashshop\\shop_bar_mid.bmp", "유저인터페이스\\cashshop\\shop_bar_down.bmp"
+  );
+  this->AddChild(this->m_scrollBar);
+
+  int y = 5;
+  for (int index = 0; index < this->m_visibleCount; ++index) {
+    UICashShopWnd_CartItem* item = new UICashShopWnd_CartItem(*this->m_context, *this->m_controls);
+    item->SetSize(0xAC, 0x36);
+    item->Move(3, y);
+    item->Show(0);
+    this->AddChild(item);
+    this->m_slots.push_back(item);
+    y += 0x39;
+  }
+}
+
 // OFFSET: 0x007CFB20
 // FUNCTION: fn_09537
 void UICashShopWnd_CartItem::Slot15(int, int) {
diff --git a/Source/UI/CashShop/UICashShopWnd.h b/Source/UI/CashShop/UICashShopWnd.h
index bc6e49b5..525b7e9c 100644
--- a/Source/UI/CashShop/UICashShopWnd.h
+++ b/Source/UI/CashShop/UICashShopWnd.h
@@ -70,6 +70,7 @@ public:
   }
 
   void Slot10(int x, int y, std::intptr_t value) override;
+  void Slot15(int width, int height) override;
   void Paint() override;
   void Slot35(int delta) override;
   int SendMsg(UIWindow* sender, int message, std::intptr_t argument1, std::intptr_t argument2, std::intptr_t argument3, std::intptr_t argument4) override;
diff --git a/Source/UI/Lists/UIScrollBarVariants.h b/Source/UI/Lists/UIScrollBarVariants.h
index 44095800..d24c0fc7 100644
--- a/Source/UI/Lists/UIScrollBarVariants.h
+++ b/Source/UI/Lists/UIScrollBarVariants.h
@@ -32,6 +32,11 @@ public:
 
 class UIScrollBar_Custom : public UIScrollBar {
 public:
+  explicit UIScrollBar_Custom(UIWindowContext& windows)
+      : UIScrollBar(windows), m_trackTop(nullptr), m_trackMiddle(nullptr), m_trackBottom(nullptr), m_arrowUp(nullptr), m_arrowDown(nullptr),
+        m_thumbTop(nullptr), m_thumbMiddle(nullptr), m_thumbBottom(nullptr) {
+  }
+
   /* 00B4 */ CBitmapRes* m_trackTop;
   /* 00B8 */ CBitmapRes* m_trackMiddle;
   /* 00BC */ CBitmapRes* m_trackBottom;