From 9d0d68ce1fb1082d50d62006087c7f3ea544db58 Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Wed, 28 Oct 2026 23:43:15 +0000
Subject: [PATCH] Decompile fn_04202
 (UILapineUpgradeBox_IngredientListWnd::Paint)

Batch #1919 by ragnarok-clanker: 1 byte-identical, 0 confirmed by peer review.

- fn_04202 UILapineUpgradeBox_IngredientListWnd::Paint: byte-identical

Merged automatically: every function is byte-identical to the original.
---
 Source/UI/Buttons/UIButton.h        |  4 ++++
 Source/UI/UILapineScrollBar.h       | 30 +++++++++++++++++++++++++++++
 Source/UI/UILapineUpgradeBoxWnd.cpp | 18 +++++++++++++++++
 Source/UI/UILapineUpgradeBoxWnd.h   |  5 ++++-
 4 files changed, 56 insertions(+), 1 deletion(-)

diff --git a/Source/UI/Buttons/UIButton.h b/Source/UI/Buttons/UIButton.h
index c808d10..4d48124 100644
--- a/Source/UI/Buttons/UIButton.h
+++ b/Source/UI/Buttons/UIButton.h
@@ -55,6 +55,10 @@ public:
   void SetDisabled(unsigned char value) {
     this->m_disabled = value;
   }
+  // INLINED
+  unsigned char Disabled() const {
+    return this->m_disabled;
+  }
   std::string label;
 
 protected:
diff --git a/Source/UI/UILapineScrollBar.h b/Source/UI/UILapineScrollBar.h
index bd7d319..0edd941 100644
--- a/Source/UI/UILapineScrollBar.h
+++ b/Source/UI/UILapineScrollBar.h
@@ -3,14 +3,44 @@
 
 #include "UI/Lists/UIScrollBar.h"
 
+#include <cstddef>
+#include <vector>
+
+class UILapineUpgradeBox_IngredientInfoWnd;
+
 class UILapineScrollBar : public UIScrollBar {
 public:
   void Paint() override;
 };
 
 class UIScrollWnd : public UIWindow {
+public:
+  /* 0080 */ unsigned char unknown_0080[0x10];
+  /* 0090 */ UIScrollBar* scrollBar;
+  /* 0094 */ int scrollBarWidth;
+  /* 0098 */ int scrollBarHeight;
+  /* 009C */ int unknown_009C;
+  /* 00A0 */ int scrollPosition;
+  /* 00A4 */ unsigned char unknown_00A4;
+  /* 00A5 */ unsigned char wheelScroll;
 };
 
+class UILapineUpgradeBox_IngredientListWnd : public UIScrollWnd {
+public:
+  void Slot10(int x, int y, std::intptr_t value) override;
+  void Paint() override;
+  void Slot35(int argument) override;
+
+  /* 00A8 */ unsigned char unknown_00A8[0x14];
+  /* 00BC */ std::vector<UILapineUpgradeBox_IngredientInfoWnd*> items;
+};
+
+#if defined(_WIN32) && !defined(_WIN64)
+static_assert(offsetof(UIScrollWnd, scrollBar) == 0x90);
+static_assert(offsetof(UIScrollWnd, wheelScroll) == 0xA5);
+static_assert(offsetof(UILapineUpgradeBox_IngredientListWnd, items) == 0xBC);
+#endif
+
 class UILapineBox_IngredientListWnd : public UIScrollWnd {
 public:
   void Paint() override;
diff --git a/Source/UI/UILapineUpgradeBoxWnd.cpp b/Source/UI/UILapineUpgradeBoxWnd.cpp
index 3953566..c6bf59b 100644
--- a/Source/UI/UILapineUpgradeBoxWnd.cpp
+++ b/Source/UI/UILapineUpgradeBoxWnd.cpp
@@ -6,8 +6,12 @@
 #include "Client/Mode/ModeEvents.h"
 #include "Contents/Items/ItemDescription.h"
 #include "UI/Buttons/UIBitmapButton.h"
+#include "UI/UILapineScrollBar.h"
 #include "UI/Window/WindowManagerWindows.h"
 
+#include <windows.h>
+#include <timeapi.h>
+
 // OFFSET: 0x006035E0
 // FUNCTION: fn_04194
 void UILapineUpgradeBoxWnd::Slot10(int x, int y, std::intptr_t value) {
@@ -118,3 +122,17 @@ void UILapineUpgradeBoxWnd::SetWaiting(unsigned char value) {
   this->upgradeButton->Invalidate();
   this->Invalidate();
 }
+
+// OFFSET: 0x00603680
+
+// OFFSET: 0x00603DA0
+// FUNCTION: fn_04202
+void UILapineUpgradeBox_IngredientListWnd::Paint() {
+  this->ClearSurface(0xFFF7F7);
+}
+
+// OFFSET: 0x006041A0
+
+// OFFSET: 0x00605980
+
+// OFFSET: 0x00603FE0
diff --git a/Source/UI/UILapineUpgradeBoxWnd.h b/Source/UI/UILapineUpgradeBoxWnd.h
index f689af7..11f83ec 100644
--- a/Source/UI/UILapineUpgradeBoxWnd.h
+++ b/Source/UI/UILapineUpgradeBoxWnd.h
@@ -7,6 +7,7 @@
 #include <string>
 
 class UIBitmapButton;
+class UILapineUpgradeBox_IngredientListWnd;
 
 class UILapineUpgradeBox_IngredientInfoWnd : public UIFrameWnd {
 public:
@@ -27,15 +28,17 @@ public:
 class UILapineUpgradeBoxWnd : public UIFrameWnd {
 public:
   void Slot10(int x, int y, std::intptr_t value) override;
+  void Slot19() override;
   void Slot25(int x, int y) override;
   void Slot26(int x, int y) override;
   void Slot32(int x, int y) override;
   void SetWaiting(unsigned char value);
+  UILapineUpgradeBox_IngredientInfoWnd* FindSelected();
 
   /* 00B4 */ UIBitmapButton* closeButton;
   /* 00B8 */ UIBitmapButton* upgradeButton;
   /* 00BC */ UIBitmapButton* selectButton;
-  /* 00C0 */ UIWindow* ingredientList;
+  /* 00C0 */ UILapineUpgradeBox_IngredientListWnd* ingredientList;
   /* 00C4 */ int ingredientId;
   /* 00C8 */ std::string title;
   /* 00E0 */ ItemInfo item;