From c683b68ec16190bb6c017c9ba845dcb074921e0f Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Wed, 28 Oct 2026 23:53:13 +0000
Subject: [PATCH] Decompile 4 functions in
 Source/UI/Acceptance/UIChooseSellBuyWnd.cpp,
 Source/UI/Items/UIItemCollectionWnd.h, ...

Batch #1913 by ragnarok-clanker: 0 byte-identical, 4 confirmed by peer review.

- fn_12271 UIItemCollectionWnd::Slot25: logic confirmed by peer review
- fn_12280 UICombinedCardItemCollectionWnd::Slot31: logic confirmed by peer review
- fn_12283 UIItemCollectionWnd::Slot31: logic confirmed by peer review
- fn_12299 UIProhibitListWnd::Slot19: logic confirmed by peer review

Peer-reviewed-by: eAthena, Yommy
Reviewed-by: ragnarok-clanker
---
 Source/UI/Acceptance/UIChooseSellBuyWnd.cpp | 57 +++++++++++++++++++++
 Source/UI/Dialogs/UIProhibitListWnd.h       | 13 +++++
 Source/UI/Items/UIItemCollectionWnd.h       |  9 ++++
 Source/UI/Window/UIWindowMgr.h              |  4 +-
 4 files changed, 81 insertions(+), 2 deletions(-)
 create mode 100644 Source/UI/Dialogs/UIProhibitListWnd.h

diff --git a/Source/UI/Acceptance/UIChooseSellBuyWnd.cpp b/Source/UI/Acceptance/UIChooseSellBuyWnd.cpp
index ab650c1..8b67c6a 100644
--- a/Source/UI/Acceptance/UIChooseSellBuyWnd.cpp
+++ b/Source/UI/Acceptance/UIChooseSellBuyWnd.cpp
@@ -28,6 +28,7 @@
 #include "UI/Dialogs/UINotifyLevelUpWnd.h"
 #include "UI/Dialogs/UINotifyQuestWnd.h"
 #include "UI/Dialogs/UIPetTamingDeceiveWnd.h"
+#include "UI/Dialogs/UIProhibitListWnd.h"
 #include "UI/Dialogs/UIQuitWnd.h"
 #include "UI/Dialogs/UIRestartWnd.h"
 #include "UI/Dialogs/UISayDialogWnd.h"
@@ -536,6 +537,32 @@ void UISelectCartWnd::Slot25(int x, int y) {
   }
 }
 
+// OFFSET: 0x008F3860
+// FUNCTION: fn_12271
+void UIItemCollectionWnd::Slot25(int x, int y) {
+  if (x <= 60 || y >= 17) {
+    return;
+  }
+
+  this->UIFrameWnd::Slot25(x, y);
+  if (this->m_kind == 12) {
+    UIWindow* comparison = g_windowMgr.unknown_0220;
+    if (!comparison) {
+      return;
+    }
+    comparison->geometry.targetAlpha = this->geometry.targetAlpha;
+    comparison->geometry.alphaStart = this->geometry.alphaStart;
+  }
+
+  if (this->m_kind == 82) {
+    UIWindow* comparison = g_windowMgr.unknown_0224;
+    if (comparison) {
+      comparison->geometry.targetAlpha = this->geometry.targetAlpha;
+      comparison->geometry.alphaStart = this->geometry.alphaStart;
+    }
+  }
+}
+
 // OFFSET: 0x008F3A60
 // FUNCTION: fn_12278
 void UIStatusWnd::Slot25(int x, int y) {
@@ -549,6 +576,16 @@ void UIStatusWnd::Slot25(int x, int y) {
 void UICombinedCardItemCollection_ComparisonWnd::Slot31(int, int) {
 }
 
+// OFFSET: 0x008F3B70
+// FUNCTION: fn_12280
+void UICombinedCardItemCollectionWnd::Slot31(int x, int y) {
+  this->UIFrameWnd::Slot31(x, y);
+  if (UIWindow* comparison = g_windowMgr.unknown_0224) {
+    comparison->geometry.targetAlpha = this->geometry.targetAlpha;
+    comparison->geometry.alphaStart = this->geometry.alphaStart;
+  }
+}
+
 // OFFSET: 0x008F3BB0
 // FUNCTION: fn_12282
 void UIEquipWnd::Slot31(int x, int y) {
@@ -570,6 +607,16 @@ void UIEquipWnd::Slot31(int x, int y) {
   }
 }
 
+// OFFSET: 0x008F3C20
+// FUNCTION: fn_12283
+void UIItemCollectionWnd::Slot31(int x, int y) {
+  this->UIFrameWnd::Slot31(x, y);
+  if (UIWindow* comparison = g_windowMgr.unknown_0220) {
+    comparison->geometry.targetAlpha = this->geometry.targetAlpha;
+    comparison->geometry.alphaStart = this->geometry.alphaStart;
+  }
+}
+
 // OFFSET: 0x008F3C50
 // FUNCTION: fn_12284
 void UIItemCollection_ComparisonWnd::Slot31(int, int) {
@@ -648,6 +695,16 @@ void UIPetTamingDeceiveWnd::Slot19() {
   }
 }
 
+// OFFSET: 0x008F5070
+// FUNCTION: fn_12299
+void UIProhibitListWnd::Slot19() {
+  const int count = static_cast<int>(g_session.m_prohibitionLog.size());
+  if (this->m_count != count) {
+    this->m_count = count;
+    this->Invalidate();
+  }
+}
+
 // OFFSET: 0x008F50B0
 // FUNCTION: fn_12300
 void UISayDialogWnd::Slot19() {
diff --git a/Source/UI/Dialogs/UIProhibitListWnd.h b/Source/UI/Dialogs/UIProhibitListWnd.h
new file mode 100644
index 0000000..f38d690
--- /dev/null
+++ b/Source/UI/Dialogs/UIProhibitListWnd.h
@@ -0,0 +1,13 @@
+#ifndef RAGNAROK_SOURCE_UI_DIALOGS_UIPROHIBITLISTWND_H
+#define RAGNAROK_SOURCE_UI_DIALOGS_UIPROHIBITLISTWND_H
+
+#include "UI/Window/UIFrameWnd.h"
+
+class UIProhibitListWnd : public UIFrameWnd {
+public:
+  /* 00B4 */ int m_count;
+
+  void Slot19() override;
+};
+
+#endif
diff --git a/Source/UI/Items/UIItemCollectionWnd.h b/Source/UI/Items/UIItemCollectionWnd.h
index c8f98ba..97a0614 100644
--- a/Source/UI/Items/UIItemCollectionWnd.h
+++ b/Source/UI/Items/UIItemCollectionWnd.h
@@ -8,8 +8,17 @@ public:
   /* 00B4 */ unsigned char unknown_00B4[0x108];
   /* 01BC */ UIWindow* m_preview;
   /* 01C0 */ std::uint32_t m_previewTick;
+  /* 01C4 */ unsigned char unknown_01C4[0x34];
+  /* 01F8 */ int m_kind;
 
   void Slot19() override;
+  void Slot25(int x, int y) override;
+  void Slot31(int x, int y) override;
+};
+
+class UICombinedCardItemCollectionWnd : public UIItemCollectionWnd {
+public:
+  void Slot31(int x, int y) override;
 };
 
 class UIItemCollection_ComparisonWnd : public UIItemCollectionWnd {
diff --git a/Source/UI/Window/UIWindowMgr.h b/Source/UI/Window/UIWindowMgr.h
index 5f39e58..338a0b5 100644
--- a/Source/UI/Window/UIWindowMgr.h
+++ b/Source/UI/Window/UIWindowMgr.h
@@ -169,8 +169,8 @@ public:
   /* 0214 */ std::uint32_t unknown_0214;
   /* 0218 */ std::uint32_t unknown_0218;
   /* 021C */ std::uint32_t unknown_021C;
-  /* 0220 */ std::uint32_t unknown_0220;
-  /* 0224 */ std::uint32_t unknown_0224;
+  /* 0220 */ UIWindow* unknown_0220;
+  /* 0224 */ UIWindow* unknown_0224;
   /* 0228 */ std::uint32_t unknown_0228;
   /* 022C */ std::uint32_t unknown_022C;
   /* 0230 */ UIWindow* window_0230;