diff --git a/Source/Client/Application/ApplicationMessages.cpp b/Source/Client/Application/ApplicationMessages.cpp
index c392c55b..229147d8 100644
--- a/Source/Client/Application/ApplicationMessages.cpp
+++ b/Source/Client/Application/ApplicationMessages.cpp
@@ -1,6 +1,7 @@
 #include "Client/Application/ApplicationMessages.h"
 #include "Client/Application/ApplicationWindow.h"
-#include "Client/Input/LanguageTC.h"
+#include "Client/Application/Launcher.h"
+#include "Client/Input/InputCharset.h"
 #include "Contents/Configuration/ServiceOptions.h"
 
 #include <cstdint>
@@ -8,38 +9,36 @@
 
 // OFFSET: 0x00E57380
 // FUNCTION: fn_24357
-void ApplicationMessages::Pump() {
+void PumpApplicationMessages() {
   MSG message;
 
   while (PeekMessageA(&message, nullptr, 0, 0, PM_REMOVE)) {
     if (message.message == WM_KEYDOWN && message.wParam == VK_PROCESSKEY) {
-      const UINT key = ImmGetVirtualKey(message.hwnd);
-      if (this->traditional) {
-        this->traditional->Key(static_cast<int>(key));
-      }
+      typedef void(__thiscall * KeyHandler)(InputCharset*, UINT);
+      (*reinterpret_cast<KeyHandler**>(g_serverLanguage))[3](g_serverLanguage, ImmGetVirtualKey(message.hwnd));
     }
 
     TranslateMessage(&message);
     DispatchMessageA(&message);
   }
 
-  if (this->dragging == 1) {
+  if (g_windowDragging == true) {
     POINT point;
     GetCursorPos(&point);
-    const int deltaX = point.x - this->dragStart.x;
-    const int deltaY = point.y - this->dragStart.y;
+    const int deltaX = point.x - g_windowDragStart.x;
+    const int deltaY = point.y - g_windowDragStart.y;
 
     if (deltaX != 0 || deltaY != 0) {
       MoveWindow(
-        this->window, this->dragRectangle.left + deltaX, this->dragRectangle.top + deltaY, this->dragRectangle.right - this->dragRectangle.left,
-        this->dragRectangle.bottom - this->dragRectangle.top, TRUE
+        hWnd, g_windowDragRect.left + deltaX, g_windowDragRect.top + deltaY, g_windowDragRect.right - g_windowDragRect.left,
+        g_windowDragRect.bottom - g_windowDragRect.top, TRUE
       );
     }
 
     if ((GetAsyncKeyState(VK_LBUTTON) & 0x8000) == 0) {
-      this->dragging = 0;
-      if (this->service.Get(ServiceOption::ConfineCursor) != 0) {
-        ClipApplicationCursor(this->window);
+      g_windowDragging = false;
+      if (g_serviceOptions.Get(ServiceOption::ConfineCursor) != 0) {
+        ClipApplicationCursor(hWnd);
       }
     }
   }
diff --git a/Source/Client/Application/ApplicationMessages.h b/Source/Client/Application/ApplicationMessages.h
index f98b857d..12da5728 100644
--- a/Source/Client/Application/ApplicationMessages.h
+++ b/Source/Client/Application/ApplicationMessages.h
@@ -1,20 +1,6 @@
 #ifndef RAGNAROK_SOURCE_CLIENT_APPLICATION_APPLICATIONMESSAGES_H
 #define RAGNAROK_SOURCE_CLIENT_APPLICATION_APPLICATIONMESSAGES_H
 
-#include <windows.h>
-
-struct CLanguageTC;
-struct ServiceOptions;
-
-struct ApplicationMessages {
-  HWND& window;
-  unsigned char& dragging;
-  POINT& dragStart;
-  RECT& dragRectangle;
-  CLanguageTC* const& traditional;
-  ServiceOptions& service;
-
-  void Pump();
-};
+void PumpApplicationMessages();
 
 #endif
diff --git a/Source/Client/Application/Launcher.h b/Source/Client/Application/Launcher.h
index 3465b71c..29ec3e24 100644
--- a/Source/Client/Application/Launcher.h
+++ b/Source/Client/Application/Launcher.h
@@ -19,6 +19,9 @@ extern char g_launchAccountName[0x1F4];
 extern char g_launchAccountPassword[24];
 extern char g_launchAccountSex;
 extern bool g_launchPassCommandLine;
+extern bool g_windowDragging;
+extern RECT g_windowDragRect;
+extern POINT g_windowDragStart;
 
 __declspec(noinline) HANDLE StartClientProcess(char* program);
 
diff --git a/Source/Client/Mode/CMode.h b/Source/Client/Mode/CMode.h
index 43995468..caae93cc 100644
--- a/Source/Client/Mode/CMode.h
+++ b/Source/Client/Mode/CMode.h
@@ -15,7 +15,7 @@ public:
   /* 0004 */ int cursorType;
   /* 0008 */ std::uint32_t cursorFrame;
   /* 000C */ int pendingCursorType;
-  /* 0010 */ int unknown_0010;
+  /* 0010 */ int fadeInRequested;
   /* 0014 */ int running;
   /* 0018 */ int unknown_0018;
   /* 001C */ UIWindow* tooltip;
@@ -42,6 +42,7 @@ public:
   std::uint32_t ClearTooltip();
   void TakeScreenshot();
   void DrawCursor();
+  void DrawFadeIn();
   void DrawTexture(const tagRECT& rect, int angle, float rhw, std::uint32_t color, CTexture* texture, TextureRegion region);
 };
 
diff --git a/Source/Client/Mode/GameMode.cpp b/Source/Client/Mode/GameMode.cpp
index 04092aa1..5a1b45d9 100644
--- a/Source/Client/Mode/GameMode.cpp
+++ b/Source/Client/Mode/GameMode.cpp
@@ -3366,7 +3366,7 @@ void CGameMode::InitializeState() {
   g_navigationManager.UpdateGround();
   g_overrideColor = 0;
 
-  this->unknown_0010 = 1;
+  this->fadeInRequested = 1;
   this->cursorOffsetX = 0.0f;
   this->cursorOffsetY = 0.0f;
   *reinterpret_cast<int*>(this->unknown_00D8) = 0;
diff --git a/Source/Client/Mode/LoginMode.cpp b/Source/Client/Mode/LoginMode.cpp
index 789edfc0..e7685ac5 100644
--- a/Source/Client/Mode/LoginMode.cpp
+++ b/Source/Client/Mode/LoginMode.cpp
@@ -5,7 +5,6 @@
 #include "Client/Application/Launcher.h"
 #include "Archive/PakRegistry.h"
 #include "Client/Input/Mouse.h"
-#include "Client/ModeFade.h"
 #include "Client/Stove/StoveMgr.h"
 #include "Client/ModeFadeOut.h"
 #include "Client/Application/ErrorDialog.h"
@@ -49,7 +48,6 @@
 #include "UI/Window/UINewSelectCharWnd.h"
 #include "UI/Window/UISelCharForUServerWnd.h"
 #include "UI/Window/WindowDialogs.h"
-#include "UI/Window/WindowFrameUpdate.h"
 #include "Utility/Async/NAsyncWorkMgr.h"
 #include "Utility/Cipher/XorBytes.h"
 #include "Utility/GGHashMgr.h"
@@ -318,7 +316,6 @@ int g_restoreSurfaces;
 // GLOBAL: gl_25384
 int g_isAppActive;
 
-void sub_E57380();
 int sub_C7F5A0();
 
 static_assert(sizeof(CharacterSlotsPacket) == 0x1D);
@@ -987,7 +984,7 @@ void CLoginMode::Slot5(int value) {
     GetRagConnection().UpdateStatus();
   }
 
-  reinterpret_cast<ApplicationMessages*>(this)->Pump();
+  PumpApplicationMessages();
   this->PollNetworkStatus();
   SendClientKeepalive(this->cursorType, this->unknown_6F10, GetRagConnection(), *reinterpret_cast<const PacketLengths*>(&GetRagConnection()), g_session.m_aid);
   g_mouse.Update();
@@ -1011,7 +1008,7 @@ void CLoginMode::Slot5(int value) {
 
   if (sub_C7F5A0()) {
     g_renderer->ClearDepth(1);
-    reinterpret_cast<WindowFrameUpdate*>(&g_windowMgr)->Update();
+    g_windowMgr.UpdateFrameWindows();
     if (g_serviceType == 0 || g_serviceType == 4 || g_serviceType == 8 || g_serviceType == 9 || g_serviceType == 3 || g_serviceType == 10 ||
         g_serviceType == 1 || g_serviceType == 11 || g_serviceType == 12 || g_serviceType == 5 || g_serviceType == 7 || g_serviceType == 14 ||
         g_serviceType == 20) {
@@ -1024,7 +1021,7 @@ void CLoginMode::Slot5(int value) {
     }
     g_windowMgr.DrawWindows();
     this->DrawCursor();
-    reinterpret_cast<ModeFade*>(this)->Draw();
+    this->DrawFadeIn();
     if (g_renderer->Draw()) {
       g_renderer->Present(1);
     }
@@ -1130,7 +1127,7 @@ void CLoginMode::SubD97B20(int) {
 // OFFSET: 0x00D97D30
 // FUNCTION: fn_22305
 void CLoginMode::Update() {
-  reinterpret_cast<ApplicationMessages*>(this)->Pump();
+  PumpApplicationMessages();
   this->PollNetworkStatus();
   SendClientKeepalive(this->cursorType, this->unknown_6F10, GetRagConnection(), *reinterpret_cast<const PacketLengths*>(&GetRagConnection()), g_session.m_aid);
   g_mouse.Update();
@@ -1161,7 +1158,7 @@ void CLoginMode::Update() {
 
   if (sub_C7F5A0()) {
     g_renderer->ClearDepth(1);
-    reinterpret_cast<WindowFrameUpdate*>(&g_windowMgr)->Update();
+    g_windowMgr.UpdateFrameWindows();
     if (g_serviceType == 0 || g_serviceType == 4 || g_serviceType == 8 || g_serviceType == 9 || g_serviceType == 3 || g_serviceType == 10 ||
         g_serviceType == 1 || g_serviceType == 11 || g_serviceType == 12 || g_serviceType == 5 || g_serviceType == 7 || g_serviceType == 14 ||
         g_serviceType == 20 || g_serviceType == 15) {
@@ -1174,7 +1171,7 @@ void CLoginMode::Update() {
     }
     g_windowMgr.DrawWindows();
     this->DrawCursor();
-    reinterpret_cast<ModeFade*>(this)->Draw();
+    this->DrawFadeIn();
     g_renderer->Draw();
     g_renderer->Present(1);
   }
@@ -2277,7 +2274,7 @@ void CLoginMode::ShowLoginError(int code, int argument) {
 // OFFSET: 0x00D8C6A0
 // FUNCTION: fn_22258
 CLoginMode::CLoginMode() : wallpaperName(), unknown_6F1C(), unknown_6F2C(), unknown_6F38(), unknown_6F50(), mapStates() {
-  this->unknown_0010 = 1;
+  this->fadeInRequested = 1;
   this->unknown_6F10 = timeGetTime() + 12000;
   this->savedInlineCharset = g_inlineCharset;
   g_inlineCharset = 0;
diff --git a/Source/Client/Mode/ModeCursor.cpp b/Source/Client/Mode/ModeCursor.cpp
index fb54db8c..b136c680 100644
--- a/Source/Client/Mode/ModeCursor.cpp
+++ b/Source/Client/Mode/ModeCursor.cpp
@@ -21,7 +21,7 @@ CMode::CMode() {
   this->screenshotRequested = 0;
   this->cursorOffsetX = 0.0f;
   this->cursorOffsetY = 0.0f;
-  this->unknown_0010 = 0;
+  this->fadeInRequested = 0;
 }
 
 // OFFSET: 0x00AD75E0
diff --git a/Source/Client/ModeFade.cpp b/Source/Client/ModeFade.cpp
index 273a09e7..a24a5871 100644
--- a/Source/Client/ModeFade.cpp
+++ b/Source/Client/ModeFade.cpp
@@ -1,6 +1,9 @@
 #include "Client/ModeFade.h"
+#include "Client/Mode/CMode.h"
 #include "Contents/Sound/SoundMgr.h"
 #include "Render/Primitives/AlphaRectangle.h"
+#include "Render/Renderer.h"
+#include "Render/TextureQuad.h"
 
 #include <timeapi.h>
 
@@ -9,18 +12,18 @@ std::uint32_t g_modeFadeTick = 0;
 
 // OFFSET: 0x00AD6740
 // FUNCTION: fn_17842
-void ModeFade::Draw() {
-  if (this->requested != 0) {
+void CMode::DrawFadeIn() {
+  if (this->fadeInRequested != 0) {
     g_modeFadeTick = timeGetTime();
     g_soundMgr->FadeIn();
-    this->requested = 0;
+    this->fadeInRequested = 0;
   }
 
   const std::uint32_t elapsed = timeGetTime() - g_modeFadeTick;
   if (elapsed < 255) {
     DrawAlphaRectangle(
-      this->primitives, this->queues, 0, 0, this->screenWidth, this->screenHeight, (255 - elapsed) << 24, this->depthAlpha, this->depthStart,
-      this->depthEnd
+      g_renderer->primitives, g_renderer->queues, 0, 0, g_renderer->viewport.width, g_renderer->viewport.height, (255 - elapsed) << 24,
+      g_renderer->fog.supported != 0, g_depthStart, g_depthEnd
     );
   }
 }
diff --git a/Source/Client/ModeFade.h b/Source/Client/ModeFade.h
index 60d9f589..9e8cac5b 100644
--- a/Source/Client/ModeFade.h
+++ b/Source/Client/ModeFade.h
@@ -3,23 +3,6 @@
 
 #include <cstdint>
 
-class RenderPrimitivePool;
-class TextureCache;
-struct RenderQueues;
-
 extern std::uint32_t g_modeFadeTick;
 
-struct ModeFade {
-  int& requested;
-  RenderPrimitivePool& primitives;
-  RenderQueues& queues;
-  const int& screenWidth;
-  const int& screenHeight;
-  const bool& depthAlpha;
-  const float& depthStart;
-  const float& depthEnd;
-
-  void Draw();
-};
-
 #endif
diff --git a/Source/Contents/World/WorldModelLoading.cpp b/Source/Contents/World/WorldModelLoading.cpp
index 7a375e19..4f1c78a4 100644
--- a/Source/Contents/World/WorldModelLoading.cpp
+++ b/Source/Contents/World/WorldModelLoading.cpp
@@ -1,3 +1,4 @@
+#include "Client/Application/ApplicationMessages.h"
 #include "Contents/Models/ModelActor.h"
 #include "Contents/Ground/TerrainHeight.h"
 #include "Contents/World/WorldModelLoading.h"
@@ -27,7 +28,6 @@
 #include <timeapi.h>
 #include <windows.h>
 
-void sub_E57380();
 
 // GLOBAL: gl_24754
 float g_worldLightDirection[3];
@@ -326,7 +326,7 @@ void CWorld::InitWorld() {
       if (g_renderer->Draw()) {
         g_renderer->Present(0);
       }
-      sub_E57380();
+      PumpApplicationMessages();
     }
 
     reinterpret_cast<const ::TerrainHeight*>(g_modeMgr.GetGameMode())
diff --git a/Source/UI/Window/UIWindowMgr.h b/Source/UI/Window/UIWindowMgr.h
index a9f5fec9..c683bb42 100644
--- a/Source/UI/Window/UIWindowMgr.h
+++ b/Source/UI/Window/UIWindowMgr.h
@@ -483,6 +483,7 @@ public:
   void ClearWindow01B8();
   void ClearUnknown04DC();
   int ProcessMouse();
+  void UpdateFrameWindows();
   bool CloseWindow(int id);
   void CloseWindowExcept251(int id);
   void RecordWindowPacket(int argument);
diff --git a/Source/UI/Window/WindowFrameUpdate.cpp b/Source/UI/Window/WindowFrameUpdate.cpp
index 9aabc542..042f614c 100644
--- a/Source/UI/Window/WindowFrameUpdate.cpp
+++ b/Source/UI/Window/WindowFrameUpdate.cpp
@@ -1,21 +1,20 @@
-#include "Client/Browser/BrowserRegistry.h"
 #include "Client/Browser/WebBrowser.h"
 #include "UI/Window/UIWindow.h"
-#include "UI/Window/WindowFrameUpdate.h"
+#include "UI/Window/UIWindowMgr.h"
 
 // OFFSET: 0x00AA26C0
 // FUNCTION: fn_17215
-void WindowFrameUpdate::Update() {
+void UIWindowMgr::UpdateFrameWindows() {
   for (auto window = this->rendered.begin(); window != this->rendered.end(); ++window) {
     (*window)->Slot19();
   }
 
-  for (auto browser = this->browsers.browsers.begin(); browser != this->browsers.browsers.end();) {
+  for (auto browser = this->browsers.begin(); browser != this->browsers.end();) {
     if (browser->second) {
       browser->second->Poll();
     }
 
-    if (this->browsers.browsers.empty()) {
+    if (this->browsers.empty()) {
       break;
     }