From b4e480a4cb97821aaec08dbf9fb1ef806b76e21e Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Fri, 30 Oct 2026 02:56:20 +0000
Subject: [PATCH] Decompile fn_13136 (UIListBoxAgitMenu::SendMsg)

Batch #4221 by bigodeira: 0 byte-identical, 1 confirmed by peer review.

- fn_13136 UIListBoxAgitMenu::SendMsg: logic confirmed by peer review

Peer-reviewed-by: willerthal, KWDev, Millenium, Snow
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
---
 Source/UI/Guild/UIAgitWnd.cpp | 57 +++++++++++++++++++++++++++++++++++
 Source/UI/Guild/UIAgitWnd.h   |  6 +++-
 2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/Source/UI/Guild/UIAgitWnd.cpp b/Source/UI/Guild/UIAgitWnd.cpp
index 5f8f603a..1cccccf3 100644
--- a/Source/UI/Guild/UIAgitWnd.cpp
+++ b/Source/UI/Guild/UIAgitWnd.cpp
@@ -2,16 +2,28 @@
 #include "Client/Mode/CMode.h"
 #include "Client/Mode/ModeMgr.h"
 #include "Client/ReplayPacketRecorder.h"
+#include "Client/Session.h"
+#include "Contents/GuildInfo.h"
+#include "Contents/GuildMgr.h"
 #include "Contents/MessageTable.h"
+#include "Render/Renderer.h"
 #include "Resource/Bitmap/BitmapResource.h"
 #include "Resource/ResourceMgr.h"
 #include "Resource/SkinPalette.h"
 #include "Resource/TextureNames.h"
+#include "Script/LuaScript.h"
 #include "UI/Buttons/UIButton.h"
 #include "UI/Window/UIWindowMgr.h"
+#include "Utility/Text/FormatString.h"
 
+#include <cstddef>
+#include <cstring>
 #include <windows.h>
 
+UIAgitMessageBox::UIAgitMessageBox()
+    : UIFrameWnd(*reinterpret_cast<UIWindowContext*>(0), *reinterpret_cast<UIFrameContext*>(0), 0), m_agitId(0) {
+}
+
 // OFFSET: 0x0095D580
 // FUNCTION: fn_13068
 void UIAgitMessageBox::Paint() {
@@ -126,3 +138,48 @@ void UIListBoxAgitMenu::Slot28(int x, int y) {
     this->Invalidate();
   }
 }
+
+// OFFSET: 0x00964F80
+// FUNCTION: fn_13136
+int UIListBoxAgitMenu::SendMsg(UIWindow* sender, int message, std::intptr_t a, std::intptr_t b, std::intptr_t c, std::intptr_t d) {
+  if (message != 48) {
+    return this->UIListBox::SendMsg(sender, message, a, b, c, d);
+  }
+
+  if (a == 0) {
+    if (g_session.GetSceneUnknown004C() == 1) {
+      g_windowMgr.SendNotice(1, reinterpret_cast<std::intptr_t>(LookupMessage(3633)), 0xFF, 0, 0, 0);
+      return 0;
+    }
+
+    GuildInfo* guildInfo = reinterpret_cast<GuildInfo*>(reinterpret_cast<char*>(&g_guildId) - offsetof(GuildInfo, m_guildId));
+    uint16_t agitId = static_cast<uint16_t>(guildInfo->GetUnknown0114(this->m_agitIndex));
+
+    LuaScript* luaScript = *reinterpret_cast<LuaScript* const*>(0x01738010);
+    char* agitName = nullptr;
+    luaScript->Call("get_agit_name", "d>s", agitId, &agitName);
+    if (agitName != nullptr && strnlen(agitName, 256) != 0) {
+      int costZeny = 0;
+      luaScript->Call("get_agit_costzeny", "db>d", agitId, 0, &costZeny);
+      int costGuildPoint = 0;
+      luaScript->Call("get_agit_costzeny", "db>d", agitId, 1, &costGuildPoint);
+
+      UIAgitMessageBox* box = new UIAgitMessageBox();
+      const char* text = FormatString(LookupMessage(3631), agitName, costZeny, costGuildPoint, 310, 130);
+      box->sub_956130(text);
+
+      int x = g_renderer->viewport.centerX - box->geometry.width / 2;
+      int y = g_renderer->viewport.centerY - box->geometry.height / 2;
+      box->Move(x, y);
+      box->m_agitId = agitId;
+      g_windowMgr.AddRendered(box);
+    }
+  } else if (a == 1) {
+    CMode* mode = g_modeMgr.GetGameMode();
+    GuildInfo* guildInfo = reinterpret_cast<GuildInfo*>(reinterpret_cast<char*>(&g_guildId) - offsetof(GuildInfo, m_guildId));
+    uint16_t agitId = static_cast<uint16_t>(guildInfo->GetUnknown0114(this->m_agitIndex));
+    mode->SendMsg(316, agitId, 0, 0, 0);
+  }
+
+  return 0;
+}
diff --git a/Source/UI/Guild/UIAgitWnd.h b/Source/UI/Guild/UIAgitWnd.h
index 88e51d11..0f278750 100644
--- a/Source/UI/Guild/UIAgitWnd.h
+++ b/Source/UI/Guild/UIAgitWnd.h
@@ -16,10 +16,11 @@ struct UIAgitMessageBoxContext {
 
 class UIAgitMessageBox : public UIFrameWnd {
 public:
+  UIAgitMessageBox();
   void Paint() override;
   int SendMsg(UIWindow* sender, int message, std::intptr_t a, std::intptr_t b, std::intptr_t c, std::intptr_t d) override;
+  void sub_956130(const char* text);
 
-protected:
   /* 00B4 */ std::uint16_t m_agitId;
   UIAgitMessageBoxContext* m_dialog;
 };
@@ -34,8 +35,11 @@ public:
 class UIListBoxAgitMenu : public UIListBox {
 public:
   void Paint() override;
+  int SendMsg(UIWindow* sender, int message, std::intptr_t a, std::intptr_t b, std::intptr_t c, std::intptr_t d) override;
   void Slot25(int x, int y) override;
   void Slot28(int x, int y) override;
+
+  /* 00D4 */ int m_agitIndex;
 };
 
 #endif