From effac2c08043ca68366097809aef7e472ec0dba0 Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Sun, 1 Nov 2026 04:54:47 +0000
Subject: [PATCH] Decompile fn_12754 (UIRoMapWnd::SendMsg)

Batch #9239 by secret: 0 byte-identical, 1 confirmed by peer review.

- fn_12754 UIRoMapWnd::SendMsg: logic confirmed by peer review

Peer-reviewed-by: superintelligence, KWDev, SapitoSucio
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
---
 Source/UI/Window/UIRoMapWnd.cpp | 74 +++++++++++++++++++++++++++++++++
 Source/UI/Window/UIRoMapWnd.h   | 11 ++++-
 2 files changed, 83 insertions(+), 2 deletions(-)

diff --git a/Source/UI/Window/UIRoMapWnd.cpp b/Source/UI/Window/UIRoMapWnd.cpp
index bf404fa9..5a8a4fb7 100644
--- a/Source/UI/Window/UIRoMapWnd.cpp
+++ b/Source/UI/Window/UIRoMapWnd.cpp
@@ -711,3 +711,77 @@ void CFlyingShipRouteInfo::BuildRoute(const std::vector<std::string>& mapNames)
   }
   reinterpret_cast<unsigned char*>(&this->unknown_0034)[1] = 1;
 }
+
+// OFFSET: 0x00938FF0
+// FUNCTION: fn_12754
+int UIRoMapWnd::SendMsg(UIWindow* sender, int message, std::intptr_t argument1, std::intptr_t argument2, std::intptr_t argument3, std::intptr_t argument4) {
+  switch (message) {
+  case 0:
+    if (sender == this->m_searchEdit) {
+      if (this->m_searchEdit->Length() > 0) {
+        this->SendMsg(this->m_searchEdit, 6, 321, 0, 0, 0);
+        return 0;
+      }
+    }
+    break;
+  case 6:
+    switch (argument1) {
+    case 192:
+      this->m_showLabels = !this->m_showLabels;
+      this->m_labelCheck->geometry.unknown_0030 = this->m_showLabels;
+      this->m_labelCheck->Invalidate();
+      this->Invalidate();
+      return 0;
+    case 200:
+      g_windowMgr.EnsureWindow(203);
+      if (g_navigationWindow) {
+        g_navigationWindow->SendMsg(nullptr, 6, 200, 0, 0, 0);
+      }
+      this->UpdateNavigationButtons();
+      return 0;
+    case 201:
+      g_windowMgr.CloseWindow(140);
+      return 0;
+    case 321:
+      if (this->m_searchEdit->Length()) {
+        std::string name(this->m_searchEdit->Text());
+        if (g_navigationManager.sub_B995D0(name, 0, true) == true) {
+          reinterpret_cast<UINavigationWnd*>(this)->RefreshWorldMapLevels();
+        }
+      }
+      return 0;
+    }
+    return 0;
+  case 39:
+    if (this->m_worldCombo == sender) {
+      g_worldViewMgr.currentWorld = argument1;
+      this->Invalidate();
+      return 0;
+    }
+    if (argument1 >= 0 && static_cast<unsigned int>(argument1) < this->unknown_01FC.size()) {
+      {
+      std::string name(g_worldViewMgr.CurrentWorld()->maps[this->unknown_0208]->fields[argument1]->name);
+      if (name.size() > 4) {
+        name.resize(name.size() - 4);
+      }
+      g_navigationMinimized = false;
+      g_navigationManager.sub_B995D0(name, 0, false);
+      if (g_windowMgr.LookupWindow(203)) {
+        static_cast<UINavigationV4Wnd*>(g_navigationWindow)->SelectRoute(0);
+        static_cast<UINavigationV4Wnd*>(g_navigationWindow)->SelectRouteNode(0);
+      }
+      this->UpdateNavigationButtons();
+      }
+      this->Invalidate();
+      return 0;
+    }
+    return 0;
+  case 60:
+    this->ClearRecords();
+    this->RefreshPartyRecords();
+    this->Invalidate();
+    return 0;
+  }
+
+  return UIFrameWnd::SendMsg(sender, message, argument1, argument2, argument3, argument4);
+}
diff --git a/Source/UI/Window/UIRoMapWnd.h b/Source/UI/Window/UIRoMapWnd.h
index e907e774..638560fb 100644
--- a/Source/UI/Window/UIRoMapWnd.h
+++ b/Source/UI/Window/UIRoMapWnd.h
@@ -4,6 +4,8 @@
 #include "Contents/FlyingShipRouteInfo.h"
 #include "Contents/WorldView/WorldViewData.h"
 #include "UI/Window/UIFrameWnd.h"
+#include "UI/Edit/UIEditCtrl.h"
+#include "UI/Navigation/UINavigationV4Wnd.h"
 
 #include <cstdint>
 #include <list>
@@ -57,6 +59,7 @@ public:
   void Slot27(int x, int y) override;
   void Slot31(int x, int y) override;
   void Slot33(int x, int y) override;
+  int SendMsg(UIWindow* sender, int message, std::intptr_t argument1, std::intptr_t argument2, std::intptr_t argument3, std::intptr_t argument4) override;
   void ClearRecords();
   void ResetKafraBounds();
   void UpdateNavigationButtons();
@@ -98,10 +101,14 @@ private:
   /* 0198 */ CFlyingShipRouteInfo m_flyingShipRoute2;
   /* 01E8 */ int m_mouseX;
   /* 01EC */ int m_mouseY;
-  /* 01F0 */ unsigned char unknown_01F0[0xC];
+  /* 01F0 */ UIWindow* unknown_01F0;
+  /* 01F4 */ UIWindow* m_worldCombo;
+  /* 01F8 */ UIWindow* m_labelCheck;
   /* 01FC */ std::vector<std::string> unknown_01FC;
   /* 0208 */ int unknown_0208;
-  /* 020C */ unsigned char unknown_020C[0xC];
+  /* 020C */ UIWindow* unknown_020C;
+  /* 0210 */ UIWindow* unknown_0210;
+  /* 0214 */ UIEditCtrl* m_searchEdit;
   /* 0218 */ int m_kafraLeft;
   /* 021C */ int m_kafraTop;
   /* 0220 */ int m_kafraRight;