From 2bd9f525a3c25b89c7829f598440d447f16751fe Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Wed, 28 Oct 2026 11:44:06 +0000
Subject: [PATCH] Decompile 2 functions in Source/UI/Window/UIWindow.cpp,
 Source/UI/Navigation/UINavigationV4Wnd.h

Batch #1369 by Yommy: 0 byte-identical, 2 confirmed by peer review.

- fn_03555 UINavigationV4Wnd::ClearRouteTexts: logic confirmed by peer review
- fn_03604 UINavigationV4Wnd::Slot19: logic confirmed by peer review

Reviewed-by: ragnarok-clanker
---
 Source/UI/Navigation/UINavigationV4Wnd.h | 16 +++++++++++++++-
 Source/UI/Window/UIWindow.cpp            | 24 ++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/Source/UI/Navigation/UINavigationV4Wnd.h b/Source/UI/Navigation/UINavigationV4Wnd.h
index 084b5c1..73d7351 100644
--- a/Source/UI/Navigation/UINavigationV4Wnd.h
+++ b/Source/UI/Navigation/UINavigationV4Wnd.h
@@ -3,6 +3,9 @@
 
 #include "UI/Window/UIFrameWnd.h"
 
+#include <string>
+#include <vector>
+
 struct NavigationWindowInfo {
   /* 0000 */ int x;
   /* 0004 */ int y;
@@ -14,6 +17,8 @@ struct NavigationWindowInfo {
 class UINavigationV4Wnd : public UIFrameWnd {
 public:
   void Slot11() override;
+  void Slot19() override;
+  bool ClearRouteTexts();
   void LayoutWithoutDetails();
   void LayoutWithDetails();
 
@@ -37,8 +42,17 @@ public:
   /* 00F8 */ UIWindow* unknown_00F8;
   /* 00FC */ UIWindow* unknown_00FC;
   /* 0100 */ UIWindow* unknown_0100;
-  /* 0104 */ unsigned char unknown_0104[12];
+  /* 0104 */ std::vector<std::string> unknown_0104;
   /* 0110 */ NavigationWindowInfo* info;
 };
 
+class UINavigationroadiconWnd : public UIFrameWnd {
+public:
+  void Slot31(int x, int y) override;
+
+  /* 00B4 */ UIWindow* icon;
+};
+
+extern int g_navigationTab;
+
 #endif
diff --git a/Source/UI/Window/UIWindow.cpp b/Source/UI/Window/UIWindow.cpp
index 1213e5b..5a65d15 100644
--- a/Source/UI/Window/UIWindow.cpp
+++ b/Source/UI/Window/UIWindow.cpp
@@ -65,6 +65,9 @@ inline std::uint32_t WindowGeometry::Color() {
 // GLOBAL: gl_24364
 std::uint32_t g_windowUid = 0xFFFFFFFFu;
 
+// GLOBAL: gl_24611
+int g_navigationTab;
+
 // INLINED
 void UIWindowContext::DestroyDeferredChildren() {
   for (UIWindow* window : this->deferredDeletion) {
@@ -1167,6 +1170,17 @@ void UIListBox_NaviSearch::Resize(int width, int height) {
   this->Refresh();
 }
 
+// OFFSET: 0x005C3360
+// FUNCTION: fn_03555
+bool UINavigationV4Wnd::ClearRouteTexts() {
+  for (std::string& text : this->unknown_0104) {
+    text.clear();
+  }
+
+  this->unknown_0104.clear();
+  return true;
+}
+
 // OFFSET: 0x005C4690
 // FUNCTION: fn_03575
 void UINavigationV4Wnd::LayoutWithoutDetails() {
@@ -1252,6 +1266,16 @@ void UINavigationV4Wnd::Slot11() {
   this->info->y = this->geometry.y;
 }
 
+// OFFSET: 0x005C7140
+
+// OFFSET: 0x005C72A0
+// FUNCTION: fn_03604
+void UINavigationV4Wnd::Slot19() {
+  if (g_navigationTab == 2) {
+    this->Invalidate();
+  }
+}
+
 // OFFSET: 0x005C72C0
 // FUNCTION: fn_03605
 void UIPrivateAirplaneWnd::Slot19() {