19 files changed, 301 insertions, 37 deletions

diff --git a/engines/titanic/core/game_object.cpp b/engines/titanic/core/game_object.cpp
index 8f2b333990..e4ad4ccaea 100644
--- a/engines/titanic/core/game_object.cpp
+++ b/engines/titanic/core/game_object.cpp
@@ -46,7 +46,7 @@ CGameObject::CGameObject(): CNamedItem() {
 	_field58 = 0;
 	_field5C = 1;
 	_field60 = 0;
-	_cursorId = 1;
+	_cursorId = CURSOR_1;
 	_field78 = 0;
 	_frameNumber = -1;
 	_field90 = 0;
@@ -77,7 +77,7 @@ void CGameObject::load(SimpleFile *file) {
 		// Deliberate fall-through
 
 	case 6:
-		val = _cursorId = file->readNumber();
+		_cursorId = (CursorId)file->readNumber();
 		// Deliberate fall-through
 
 	case 5:
diff --git a/engines/titanic/core/game_object.h b/engines/titanic/core/game_object.h
index b327671b6b..66aa9c400c 100644
--- a/engines/titanic/core/game_object.h
+++ b/engines/titanic/core/game_object.h
@@ -23,6 +23,7 @@
 #ifndef TITANIC_GAME_OBJECT_H
 #define TITANIC_GAME_OBJECT_H
 
+#include "titanic/mouse_cursor.h"
 #include "titanic/rect.h"
 #include "titanic/core/movie_clip.h"
 #include "titanic/core/named_item.h"
@@ -94,7 +95,7 @@ protected:
 	int _fieldB8;
 public:
 	int _field60;
-	int _cursorId;
+	CursorId _cursorId;
 public:
 	CLASSDEF
 	CGameObject();
diff --git a/engines/titanic/core/link_item.cpp b/engines/titanic/core/link_item.cpp
index 02b4215cfa..5ca64b1c59 100644
--- a/engines/titanic/core/link_item.cpp
+++ b/engines/titanic/core/link_item.cpp
@@ -32,7 +32,7 @@ CLinkItem::CLinkItem() : CNamedItem() {
 	_nodeNumber = -1;
 	_viewNumber = -1;
 	_field30 = 0;
-	_field34 = 1;
+	_cursorId = CURSOR_1;
 	_name = "Link";
 }
 
@@ -44,7 +44,7 @@ CString CLinkItem::formName() {
 void CLinkItem::save(SimpleFile *file, int indent) const {
 	file->writeNumberLine(2, indent);
 	file->writeQuotedLine("L", indent);
-	file->writeNumberLine(_field34, indent + 1);
+	file->writeNumberLine(_cursorId, indent + 1);
 	file->writeNumberLine(_field30, indent + 1);
 	file->writeNumberLine(_roomNumber, indent + 1);
 	file->writeNumberLine(_nodeNumber, indent + 1);
@@ -65,7 +65,7 @@ void CLinkItem::load(SimpleFile *file) {
 
 	switch (val) {
 	case 2:
-		_field34 = file->readNumber();
+		_cursorId = (CursorId)file->readNumber();
 		// Deliberate fall-through
 
 	case 1:
@@ -93,16 +93,16 @@ void CLinkItem::load(SimpleFile *file) {
 	if (val < 2) {
 		switch (_field30) {
 		case 2:
-			_field34 = 2;
+			_cursorId = CURSOR_2;
 			break;
 		case 3:
-			_field34 = 3;
+			_cursorId = CURSOR_3;
 			break;
 		case 5:
-			_field34 = 7;
+			_cursorId = CURSOR_7;
 			break;
 		default:
-			_field34 = 4;
+			_cursorId = CURSOR_4;
 			break;
 		}
 	}
diff --git a/engines/titanic/core/link_item.h b/engines/titanic/core/link_item.h
index bbeef2c11c..83b2ce4f06 100644
--- a/engines/titanic/core/link_item.h
+++ b/engines/titanic/core/link_item.h
@@ -23,6 +23,7 @@
 #ifndef TITANIC_LINK_ITEM_H
 #define TITANIC_LINK_ITEM_H
 
+#include "titanic/mouse_cursor.h"
 #include "titanic/core/named_item.h"
 #include "titanic/core/movie_clip.h"
 
@@ -44,9 +45,9 @@ protected:
 	int _nodeNumber;
 	int _viewNumber;
 	int _field30;
-	int _field34;
 public:
 	Rect _bounds;
+	CursorId _cursorId;
 public:
 	CLASSDEF
 	CLinkItem();
diff --git a/engines/titanic/core/saveable_object.cpp b/engines/titanic/core/saveable_object.cpp
index 2c4eea5f3c..1f7448f655 100644
--- a/engines/titanic/core/saveable_object.cpp
+++ b/engines/titanic/core/saveable_object.cpp
@@ -818,7 +818,7 @@ DEFFN(CMouseMoveMsg)
 DEFFN(CMouseButtonMsg)
 DEFFN(CMouseButtonDownMsg)
 DEFFN(CMouseButtonUpMsg)
-DEFFN(CMouseButtonDoubleClickMsg)
+DEFFN(CMouseDoubleClickMsg)
 DEFFN(CMouseDragMsg)
 DEFFN(CMouseDragStartMsg)
 DEFFN(CMouseDragMoveMsg)
@@ -1395,7 +1395,7 @@ void CSaveableObject::initClassList() {
 	ADDFN(CMouseButtonMsg, CMouseMsg);
 	ADDFN(CMouseButtonDownMsg, CMouseButtonMsg);
 	ADDFN(CMouseButtonUpMsg, CMouseButtonMsg);
-	ADDFN(CMouseButtonDoubleClickMsg, CMouseButtonMsg);
+	ADDFN(CMouseDoubleClickMsg, CMouseButtonMsg);
 	ADDFN(CMouseDragMsg, CMouseMsg);
 	ADDFN(CMouseDragStartMsg, CMouseDragMsg);
 	ADDFN(CMouseDragMoveMsg, CMouseDragMsg);
diff --git a/engines/titanic/core/view_item.cpp b/engines/titanic/core/view_item.cpp
index c48166698d..1b9a1dd1a6 100644
--- a/engines/titanic/core/view_item.cpp
+++ b/engines/titanic/core/view_item.cpp
@@ -180,7 +180,45 @@ bool CViewItem::handleEvent(CMouseButtonDownMsg &msg) {
 				}
 			}
 		}
-		// TODO
+	}
+
+	return true;
+}
+
+bool CViewItem::handleEvent(CMouseButtonUpMsg &msg) {
+	if (msg._buttons & MB_LEFT)
+		handleMouseMsg(&msg, false);
+
+	return true;
+}
+
+bool CViewItem::handleEvent(CMouseDoubleClickMsg &msg) {
+	if (msg._buttons & MB_LEFT)
+		handleMouseMsg(&msg, false);
+
+	return true;
+}
+
+bool CViewItem::handleEvent(CMouseMoveMsg &msg) {
+	CScreenManager *screenManager = CScreenManager::_screenManagerPtr;
+
+	if (handleMouseMsg(&msg, true)) {
+		screenManager->_mouseCursor->setCursor(CURSOR_1);
+	} else {
+		// Iterate through each link item, and if any is highlighted,
+		// change the mouse cursor to the designated cursor for the item
+		CLinkItem *linkItem = dynamic_cast<CLinkItem *>(getFirstChild());
+		while (linkItem) {
+			if (linkItem->_bounds.contains(msg._mousePos)) {
+				screenManager->_mouseCursor->setCursor(linkItem->_cursorId);
+				return true;
+			}
+
+			linkItem = dynamic_cast<CLinkItem *>(linkItem->getNextSibling());
+		}
+
+		if (!handleMouseMsg(&msg, false))
+			screenManager->_mouseCursor->setCursor(CURSOR_1);
 	}
 
 	return true;
@@ -212,8 +250,8 @@ bool CViewItem::handleMouseMsg(const CMouseMsg *msg, bool flag) {
 			return false;
 
 		for (int idx = (int)gameObjects.size() - 1; idx >= 0; ++idx) {
-			if (gameObjects[idx]->_cursorId != 12) {
-				CScreenManager::_screenManagerPtr->_mouseCursor->setCursorId(gameObjects[idx]->_cursorId);
+			if (gameObjects[idx]->_cursorId != CURSOR_12) {
+				CScreenManager::_screenManagerPtr->_mouseCursor->setCursor(gameObjects[idx]->_cursorId);
 				break;
 			}
 		}
diff --git a/engines/titanic/core/view_item.h b/engines/titanic/core/view_item.h
index b1de0bb305..bc66122314 100644
--- a/engines/titanic/core/view_item.h
+++ b/engines/titanic/core/view_item.h
@@ -29,7 +29,8 @@
 
 namespace Titanic {
 
-class CViewItem : public CNamedItem { //, CMouseButtonDownMsgTarget  {
+class CViewItem : public CNamedItem, CMouseButtonDownMsgTarget,
+	CMouseButtonUpMsgTarget, CMouseMoveMsgTarget, CMouseDoubleClickMsgTarget {
 private:
 	CTreeItem *_buttonUpTargets[4];
 private:
@@ -52,6 +53,9 @@ protected:
 	int _field54;
 protected:
 	virtual bool handleEvent(CMouseButtonDownMsg &msg);
+	virtual bool handleEvent(CMouseButtonUpMsg &msg);
+	virtual bool handleEvent(CMouseMoveMsg &msg);
+	virtual bool handleEvent(CMouseDoubleClickMsg &msg);
 public:
 	int _viewNumber;
 public:
diff --git a/engines/titanic/files_manager.cpp b/engines/titanic/files_manager.cpp
index f56c9c5e45..5db75cd67c 100644
--- a/engines/titanic/files_manager.cpp
+++ b/engines/titanic/files_manager.cpp
@@ -81,6 +81,10 @@ void CFilesManager::resetView() {
 	}
 }
 
+void CFilesManager::fn4(const CString &name) {
+	warning("TODO: CFilesManager::fn4");
+}
+
 void CFilesManager::fn5(const CString &name) {
 	warning("TODO: CFilesManager::fn5");
 }
diff --git a/engines/titanic/files_manager.h b/engines/titanic/files_manager.h
index 0785bfc3c0..74895d7877 100644
--- a/engines/titanic/files_manager.h
+++ b/engines/titanic/files_manager.h
@@ -77,6 +77,8 @@ public:
 	 */
 	void resetView();
 
+	void fn4(const CString &name);
+
 	void fn5(const CString &name);
 };
 
diff --git a/engines/titanic/input_translator.cpp b/engines/titanic/input_translator.cpp
index ceb2be87f6..2251c2fe7a 100644
--- a/engines/titanic/input_translator.cpp
+++ b/engines/titanic/input_translator.cpp
@@ -60,7 +60,7 @@ void CInputTranslator::leftButtonUp(int special, const Point &pt) {
 }
 
 void CInputTranslator::leftButtonDoubleClick(int special, const Point &pt) {
-	CMouseButtonDoubleClickMsg msg(pt, getButtons(special));
+	CMouseDoubleClickMsg msg(pt, getButtons(special));
 	_inputHandler->handleMessage(msg);
 }
 
@@ -75,7 +75,7 @@ void CInputTranslator::middleButtonUp(int special, const Point &pt) {
 }
 
 void CInputTranslator::middleButtonDoubleClick(int special, const Point &pt) {
-	CMouseButtonDoubleClickMsg msg(pt, getButtons(special));
+	CMouseDoubleClickMsg msg(pt, getButtons(special));
 	_inputHandler->handleMessage(msg);
 }
 
@@ -90,7 +90,7 @@ void CInputTranslator::rightButtonUp(int special, const Point &pt) {
 }
 
 void CInputTranslator::rightButtonDoubleClick(int special, const Point &pt) {
-	CMouseButtonDoubleClickMsg msg(pt, getButtons(special));
+	CMouseDoubleClickMsg msg(pt, getButtons(special));
 	_inputHandler->handleMessage(msg);
 }
 
diff --git a/engines/titanic/messages/messages.cpp b/engines/titanic/messages/messages.cpp
index b44748d899..9202305353 100644
--- a/engines/titanic/messages/messages.cpp
+++ b/engines/titanic/messages/messages.cpp
@@ -84,7 +84,7 @@ bool CMessage::isMouseMoveMsg() const {
 }
 
 bool CMessage::isDoubleClickMsg() const {
-	return dynamic_cast<const CMouseButtonDoubleClickMsg *>(this) != nullptr;
+	return dynamic_cast<const CMouseDoubleClickMsg *>(this) != nullptr;
 }
 
 bool CMessage::isEnterRoomMsg() const {
diff --git a/engines/titanic/messages/mouse_messages.h b/engines/titanic/messages/mouse_messages.h
index 77343fa6cd..6e2a74a046 100644
--- a/engines/titanic/messages/mouse_messages.h
+++ b/engines/titanic/messages/mouse_messages.h
@@ -108,19 +108,19 @@ public:
 	}
 };
 
-MSGTARGET(CMouseButtonDoubleClickMsg);
-class CMouseButtonDoubleClickMsg : public CMouseButtonMsg {
+MSGTARGET(CMouseDoubleClickMsg);
+class CMouseDoubleClickMsg : public CMouseButtonMsg {
 public:
 	CLASSDEF
-	CMouseButtonDoubleClickMsg() : CMouseButtonMsg() {}
-	CMouseButtonDoubleClickMsg(const Point &pt, int buttons) : CMouseButtonMsg(pt, buttons) {}
+	CMouseDoubleClickMsg() : CMouseButtonMsg() {}
+	CMouseDoubleClickMsg(const Point &pt, int buttons) : CMouseButtonMsg(pt, buttons) {}
 
 	static bool isSupportedBy(const CTreeItem *item) {
-		return dynamic_cast<const CMouseButtonDoubleClickMsg *>(item) != nullptr;
+		return dynamic_cast<const CMouseDoubleClickMsg *>(item) != nullptr;
 	}
-	virtual bool handleMessage(const CMouseButtonDoubleClickMsg &msg) { return false; }
+	virtual bool handleMessage(const CMouseDoubleClickMsg &msg) { return false; }
 	virtual bool perform(CTreeItem *treeItem) { 
-		CMouseButtonDoubleClickMsg *dest = dynamic_cast<CMouseButtonDoubleClickMsg *>(treeItem);
+		CMouseDoubleClickMsg *dest = dynamic_cast<CMouseDoubleClickMsg *>(treeItem);
 		return dest != nullptr && dest->handleMessage(*this);
 	}
 };
diff --git a/engines/titanic/mouse_cursor.cpp b/engines/titanic/mouse_cursor.cpp
index 578bf9981f..54c9ce8fbd 100644
--- a/engines/titanic/mouse_cursor.cpp
+++ b/engines/titanic/mouse_cursor.cpp
@@ -20,25 +20,80 @@
  *
  */
 
+#include "graphics/cursorman.h"
 #include "common/textconsole.h"
 #include "titanic/mouse_cursor.h"
+#include "titanic/movie.h"
+#include "titanic/screen_manager.h"
+#include "titanic/titanic.h"
+#include "titanic/video_surface.h"
+#include "titanic/core/resource_key.h"
 
 namespace Titanic {
 
+static const int CURSOR_DATA[NUM_CURSORS][4] = {
+	{ 1, 136, 19, 18 },
+	{ 2, 139, 1, 1 },
+	{ 3, 140, 32, 1 },
+	{ 4, 137, 13, 0 },
+	{ 5, 145, 13, 0 },
+	{ 6, 144, 13, 22 },
+	{ 7, 137, 14, 0 },
+	{ 8, 148, 22, 40 },
+	{ 9, 136, 19, 18 },
+	{ 10, 143, 11, 11 },
+	{ 11, 146, 11, 11 },
+	{ 12, 136, 19, 18 },
+	{ 13, 136, 19, 25 },
+	{ 14, 136, 13, 22 },
+	{ 15, 138, 20, 28 }
+};
+
+CMouseCursor::CMouseCursor(CScreenManager *screenManager) : 
+		_screenManager(screenManager), _cursorId(CURSOR_1) {
+	loadCursorImages();
+}
+
+CMouseCursor::~CMouseCursor() {
+	for (int idx = 0; idx < NUM_CURSORS; ++idx)
+		delete _cursors[idx]._videoSurface;
+}
+
+void CMouseCursor::loadCursorImages() {
+	const CString name("ycursors.avi");
+	const CResourceKey key(name);
+	g_vm->_filesManager.fn4(name);
+
+	// Iterate through each cursor
+	for (int idx = 0; idx < NUM_CURSORS; ++idx) {
+		assert(CURSOR_DATA[idx][0] == (idx + 1));
+		_cursors[idx]._centroid = Common::Point(CURSOR_DATA[idx][2],
+			CURSOR_DATA[idx][3]);
+
+		CVideoSurface *surface = _screenManager->createSurface(64, 64);
+		_cursors[idx]._videoSurface = surface;
+
+		OSMovie movie(key, surface);
+		movie.setFrame(idx);
+		_cursors[idx]._ptrUnknown = movie.proc21();
+		surface->set40(_cursors[idx]._ptrUnknown);
+	}
+}
+
 void CMouseCursor::show() {
-	warning("CMouseCursor::show");
+	CursorMan.showMouse(true);
 }
 
 void CMouseCursor::hide() {
-	warning("CMouseCursor::hide");
+	CursorMan.showMouse(false);
 }
 
-void CMouseCursor::setCursorId(int id) {
-	warning("CMouseCursor::setCursorId");
+void CMouseCursor::setCursor(CursorId cursorId) {
+	warning("CMouseCursor::setCursor");
 }
 
 void CMouseCursor::update() {
-	warning("CMouseCursor::update");
+	// No implementation needed
 }
 
 } // End of namespace Titanic
diff --git a/engines/titanic/mouse_cursor.h b/engines/titanic/mouse_cursor.h
index c6df65d096..507f4ecc17 100644
--- a/engines/titanic/mouse_cursor.h
+++ b/engines/titanic/mouse_cursor.h
@@ -24,14 +24,66 @@
 #define TITANIC_MOUSE_CURSOR_H
 
 #include "common/scummsys.h"
+#include "common/rect.h"
 
 namespace Titanic {
 
+#define NUM_CURSORS 15
+
+enum CursorId {
+	CURSOR_1 = 1,
+	CURSOR_2 = 3,
+	CURSOR_3 = 3,
+	CURSOR_4 = 4,
+	CURSOR_5 = 5,
+	CURSOR_6 = 6,
+	CURSOR_7 = 7,
+	CURSOR_8 = 8,
+	CURSOR_9 = 9,
+	CURSOR_10 = 10,
+	CURSOR_11 = 11,
+	CURSOR_12 = 12,
+	CURSOR_13 = 13,
+	CURSOR_14 = 14,
+	CURSOR_15 = 15
+};
+
+class CScreenManager;
+class CVideoSurface;
+
 class CMouseCursor {
+	struct CursorEntry {
+		CVideoSurface *_videoSurface;
+		void *_ptrUnknown;
+		Common::Point _centroid;
+	};
+private:
+	CScreenManager *_screenManager;
+	CursorId _cursorId;
+	CursorEntry _cursors[NUM_CURSORS];
+
+	/**
+	 * Load the images for each cursor
+	 */
+	void loadCursorImages();
 public:
+	CMouseCursor(CScreenManager *screenManager);
+	~CMouseCursor();
+
+	/**
+	 * Make the mouse cursor visible
+	 */
 	void show();
+
+	/**
+	 * Hide the mouse cursor
+	 */
 	void hide();
-	void setCursorId(int id);
+	
+	/**
+	 * Set the cursor
+	 */
+	void setCursor(CursorId cursorId);
 	
 	/**
 	 * Updates the mouse cursor
diff --git a/engines/titanic/movie.cpp b/engines/titanic/movie.cpp
index 1eaeac638d..a41f0f4bc7 100644
--- a/engines/titanic/movie.cpp
+++ b/engines/titanic/movie.cpp
@@ -24,5 +24,69 @@
 
 namespace Titanic {
 
+OSMovie::OSMovie(const CResourceKey &name, CVideoSurface *surface) {
+
+}
+
+void OSMovie::proc8() {
+	warning("TODO: OSMovie::proc8");
+}
+
+void OSMovie::proc9() {
+	warning("TODO: OSMovie::proc9");
+}
+
+void OSMovie::proc10() {
+	warning("TODO: OSMovie::proc10");
+}
+
+void OSMovie::proc11() {
+	warning("TODO: OSMovie::proc11");
+}
+
+void OSMovie::proc12() {
+	warning("TODO: OSMovie::proc12");
+}
+
+void OSMovie::proc13() {
+	warning("TODO: OSMovie::proc13");
+}
+
+void OSMovie::proc14() {
+	warning("TODO: OSMovie::proc14");
+}
+
+void OSMovie::proc15() {
+	warning("TODO: OSMovie::proc15");
+}
+
+void OSMovie::proc16() {
+	warning("TODO: OSMovie::proc16");
+}
+
+void OSMovie::proc17() {
+	warning("TODO: OSMovie::proc17");
+}
+
+void OSMovie::proc18() {
+	warning("TODO: OSMovie::proc18");
+}
+
+void OSMovie::proc19() {
+	warning("TODO: OSMovie::proc19");
+}
+
+void OSMovie::proc20() {
+	warning("TODO: OSMovie::proc20");
+}
+
+void *OSMovie::proc21() {
+	warning("TODO: OSMovie::proc21");
+	return nullptr;
+}
+
+void OSMovie::setFrame(uint frameNumber) {
+
+}
 
 } // End of namespace Titanic
diff --git a/engines/titanic/movie.h b/engines/titanic/movie.h
index a213b7b891..1430e249e5 100644
--- a/engines/titanic/movie.h
+++ b/engines/titanic/movie.h
@@ -24,11 +24,52 @@
 #define TITANIC_MOVIE_H
 
 #include "titanic/core/list.h"
+#include "titanic/core/resource_key.h"
+#include "titanic/video_surface.h"
 
 namespace Titanic {
 
 class CMovie : public ListItem {
 public:
+	virtual void proc8() = 0;
+	virtual void proc9() = 0;
+	virtual void proc10() = 0;
+	virtual void proc11() = 0;
+	virtual void proc12() = 0;
+	virtual void proc13() = 0;
+	virtual void proc14() = 0;
+	virtual void proc15() = 0;
+	virtual void proc16() = 0;
+	virtual void proc17() = 0;
+	virtual void proc18() = 0;
+	virtual void proc19() = 0;
+	virtual void proc20() = 0;
+	virtual void *proc21() = 0;
+};
+
+class OSMovie : public CMovie {
+public:
+	OSMovie(const CResourceKey &name, CVideoSurface *surface);
+
+	virtual void proc8();
+	virtual void proc9();
+	virtual void proc10();
+	virtual void proc11();
+	virtual void proc12();
+	virtual void proc13();
+	virtual void proc14();
+	virtual void proc15();
+	virtual void proc16();
+	virtual void proc17();
+	virtual void proc18();
+	virtual void proc19();
+	virtual void proc20();
+	virtual void *proc21();
+
+	/**
+	 * Set the current frame number
+	 */
+	void setFrame(uint frameNumber);
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/screen_manager.cpp b/engines/titanic/screen_manager.cpp
index 11063be2b6..5e38eca2d8 100644
--- a/engines/titanic/screen_manager.cpp
+++ b/engines/titanic/screen_manager.cpp
@@ -222,7 +222,7 @@ void OSScreenManager::loadCursors() {
 		hideCursor();
 		delete _mouseCursor;
 	}
-	_mouseCursor = new CMouseCursor();
+	_mouseCursor = new CMouseCursor(this);
 	showCursor();
 
 	if (!_textCursor) {
diff --git a/engines/titanic/video_surface.cpp b/engines/titanic/video_surface.cpp
index 0b935292b1..ef8d7a872f 100644
--- a/engines/titanic/video_surface.cpp
+++ b/engines/titanic/video_surface.cpp
@@ -31,7 +31,7 @@ int CVideoSurface::_videoSurfaceCounter = 0;
 CVideoSurface::CVideoSurface(CScreenManager *screenManager) :
 		_screenManager(screenManager), _rawSurface(nullptr), _field34(nullptr),
 		_pendingLoad(false), _blitStyleFlag(false), _blitFlag(false),
-		_field40(0), _field44(4), _field48(0), _field50(1) {
+		_field40(nullptr), _field44(4), _field48(0), _field50(1) {
 	_videoSurfaceNum = _videoSurfaceCounter++;
 }
 
diff --git a/engines/titanic/video_surface.h b/engines/titanic/video_surface.h
index d89d3201c2..8d0b312ef0 100644
--- a/engines/titanic/video_surface.h
+++ b/engines/titanic/video_surface.h
@@ -58,7 +58,7 @@ protected:
 	Graphics::ManagedSurface *_rawSurface;
 	void *_field34;
 	bool _pendingLoad;
-	int _field40;
+	void *_field40;
 	int _field44;
 	int _field48;
 	int _videoSurfaceNum;
@@ -157,6 +157,8 @@ public:
 	 * Blit from another surface
 	 */
 	void blitFrom(const Point &destPos, CVideoSurface *src, const Rect *srcRect = nullptr);
+
+	void set40(void *v) { _field40 = v; }
 };
 
 class OSVideoSurface : public CVideoSurface {