MACVENTURE: Begin implementing object queue

7 files changed, 315 insertions, 92 deletions

diff --git a/engines/macventure/gui.cpp b/engines/macventure/gui.cpp
index 4ca3de70b3..1a468eb93c 100644
--- a/engines/macventure/gui.cpp
+++ b/engines/macventure/gui.cpp
@@ -99,23 +99,44 @@ bool Gui::processEvent(Common::Event &event) {
 }
 
 const WindowData& Gui::getWindowData(WindowReference reference) {
-	assert(_windowData);
-
-	Common::List<WindowData>::const_iterator iter = _windowData->begin();
-	while (iter->refcon != reference && iter != _windowData->end()) {
-		iter++;
-	}
-
-	if (iter->refcon == reference)
-		return *iter;
-
-	error("Could not locate the desired window data");
+	return findWindowData(reference);
 }
 
 const Graphics::Font& Gui::getCurrentFont() {
 	return *_wm.getFont("Chicago-12", Graphics::FontManager::kBigGUIFont);
 }
 
+void Gui::bringToFront(WindowReference winID) {
+	// FIXME: There has to be a better way to do this, maybe with the _wm
+	switch (winID) {
+	case MacVenture::kCommandsWindow:
+		_controlsWindow->setActive(true);
+		break;
+	case MacVenture::kMainGameWindow:
+		_mainGameWindow->setActive(true);
+		break;
+	case MacVenture::kOutConsoleWindow:
+		_outConsoleWindow->setActive(true);
+		break;
+	case MacVenture::kSelfWindow:
+		_selfWindow->setActive(true);
+		break;
+	case MacVenture::kExitsWindow:
+		_exitsWindow->setActive(true);
+		break;
+	case MacVenture::kDiplomaWindow:
+		_diplomaWindow->setActive(true);
+		break;
+	default:
+		break;
+	}
+}
+
+void Gui::setWindowTitle(WindowReference winID, Common::String string) {
+	findWindowData(winID).title = string;
+	findWindowData(winID).titleLength = string.size();
+}
+
 void Gui::initGUI() {
 	_screen.create(kScreenWidth, kScreenHeight, Graphics::PixelFormat::createFormatCLUT8());
 	_wm.setScreen(&_screen);
@@ -191,13 +212,6 @@ void Gui::initWindows() {
 	_diplomaWindow->getSurface()->fillRect(_diplomaWindow->getSurface()->getBounds(), kColorGreen2);
 	*/
 
-	// Inventory Window
-	_inventoryWindow = _wm.addWindow(false, true, true);
-	_inventoryWindow->setDimensions(getWindowData(kInventoryWindow).bounds);
-	_inventoryWindow->setActive(false);
-	_inventoryWindow->setCallback(inventoryWindowCallback, this);
-	loadBorder(_inventoryWindow, "border_command.bmp", false);
-
 }
 
 void Gui::loadBorder(Graphics::MacWindow * target, Common::String filename, bool active) {
@@ -324,9 +338,10 @@ bool Gui::loadWindows() {
 		res->readUint32BE(); // Skip the true id. For some reason it's reading 0
 		data.titleLength = res->readByte();
 		if (data.titleLength) {
-			data.title = new char[data.titleLength + 1];
-			res->read(data.title, data.titleLength);
-			data.title[data.titleLength] = '\0';
+			char* newTitle = new char[data.titleLength + 1];
+			res->read(newTitle, data.titleLength);
+			newTitle[data.titleLength] = '\0';
+			data.title = Common::String(newTitle);
 		}
 
 		debug(5, "Window loaded: %s", data.title);
@@ -334,28 +349,9 @@ bool Gui::loadWindows() {
 		_windowData->push_back(data);
 	}
 
-	loadInventoryWindow();
-
 	return true;
 }
 
-void Gui::loadInventoryWindow() {
-	WindowData data;
-	GlobalSettings settings = _engine->getGlobalSettings();
-	data.bounds = Common::Rect(
-		settings.invLeft,
-		settings.invTop,
-		settings.invLeft + settings.invWidth,
-		settings.invTop + settings.invHeight);
-	data.title = "Inventory";
-	data.visible = true;
-	data.hasCloseBox = false;
-	data.refcon = kInventoryWindow;
-	data.titleLength = 10;
-
-	_windowData->push_back(data);
-}
-
 bool Gui::loadControls() {
 	Common::MacResIDArray resArray;
 	Common::SeekableReadStream *res;
@@ -456,7 +452,21 @@ void Gui::drawMainGameWindow() {
 }
 
 void Gui::drawSelfWindow() {
+	warning("drawSelfWindow: Unimplemented");
+}
+
+WindowData & Gui::findWindowData(WindowReference reference) {
+	assert(_windowData);
+
+	Common::List<WindowData>::iterator iter = _windowData->begin();
+	while (iter->refcon != reference && iter != _windowData->end()) {
+		iter++;
+	}
+
+	if (iter->refcon == reference)
+		return *iter;
 
+	error("Could not locate the desired window data");
 }
 
 
@@ -561,12 +571,60 @@ void Gui::handleMenuAction(MenuAction action) {
 	}
 }
 
+void Gui::updateWindow(WindowReference winID, bool containerOpen) {
+	if (winID > 0x90) return;
+	if (winID == kSelfWindow || containerOpen) {
+		if (winID == kMainGameWindow) {
+			warning("Unimplemented: draw main game window");
+		} else {
+			warning("Unimplemented: fill window with background");
+		}
+		WindowData &data = findWindowData(winID);
+		Common::Array<ObjID> children = data.children;
+		for (Common::Array<ObjID>::const_iterator it = children.begin(); it != children.end(); it++) {
+			warning("Unimplemented: draw object %x", *it);
+		}
+		if (data.type == kZoomDoc && data.updateScroll) {
+			warning("Unimplemented: update scroll");
+		}
+	}
+}
+
+WindowReference Gui::createInventoryWindow() {
+	Graphics::MacWindow *newWindow = _wm.addWindow(true, true, true);
+	WindowData newData;
+	GlobalSettings settings = _engine->getGlobalSettings();
+	newData.refcon = (WindowReference)ABS(_inventoryWindows.size()); // This is a hack
+
+	if (_windowData->back().refcon < 0x80) { // There is already another inventory window
+		newData.bounds = _windowData->back().bounds; // Inventory windows are always last
+		newData.bounds.translate(newData.bounds.left + settings.invOffsetX, newData.bounds.top + settings.invOffsetY);
+	} else {
+		newData.bounds = Common::Rect(
+			settings.invLeft,
+			settings.invTop,
+			settings.invLeft + settings.invWidth,
+			settings.invTop + settings.invHeight);
+	}
+	newData.type = kZoomDoc;
+	newData.hasCloseBox = true;
+	newData.visible = true;
+	_windowData->push_back(newData);
+
+	newWindow->setDimensions(newData.bounds);
+	newWindow->setCallback(inventoryWindowCallback, this);
+	loadBorder(newWindow, "border_self_inac.bmp", false);
+	loadBorder(newWindow, "border_self_act.bmp", true);
+	_inventoryWindows.push_back(newWindow);
+	return newData.refcon;
+}
+
 
 bool Gui::processCommandEvents(WindowClick click, Common::Event &event) {
 	if (event.type == Common::EVENT_LBUTTONUP) {
-		if (_engine->isPaused()) 
+		if (_engine->isPaused())
 			return true;
-		
+
 		Common::Point position(
 			event.mouse.x - _controlsWindow->getDimensions().left,
 			event.mouse.y - _controlsWindow->getDimensions().top);
@@ -583,7 +641,7 @@ bool Gui::processCommandEvents(WindowClick click, Common::Event &event) {
 		_engine->selectControl((ControlReference)data.getData().refcon);
 		_engine->activateCommand((ControlReference)data.getData().refcon);
 		_engine->refreshReady();
-		_engine->preparedToRun();		
+		_engine->preparedToRun();
 	}
 	return false;
 }
diff --git a/engines/macventure/gui.h b/engines/macventure/gui.h
index 4d760e8382..b107b1584f 100644
--- a/engines/macventure/gui.h
+++ b/engines/macventure/gui.h
@@ -32,6 +32,7 @@ namespace MacVenture {
 using namespace Graphics::MacGUIConstants;
 using namespace Graphics::MacWindowConstants;
 class MacVentureEngine;
+typedef uint32 ObjID;
 
 //namespace MacVentureMenuActions {
 enum MenuAction {
@@ -59,8 +60,7 @@ enum WindowReference {
 	kOutConsoleWindow = 0x82,
 	kSelfWindow = 0x83,
 	kExitsWindow = 0x84,
-	kDiplomaWindow = 0x85,
-	kInventoryWindow = 0x90 // Not in the files, but here for convenience
+	kDiplomaWindow = 0x85
 };
 
 enum MVWindowType {
@@ -85,7 +85,9 @@ struct WindowData {
 	uint16 hasCloseBox;
 	WindowReference refcon;
 	uint8 titleLength;
-	char* title;
+	Common::String title;
+	Common::Array<ObjID> children;
+	bool updateScroll;
 };
 
 enum ControlReference {
@@ -132,6 +134,9 @@ public:
 	void draw();
 	bool processEvent(Common::Event &event);
 	void handleMenuAction(MenuAction action);
+	void updateWindow(WindowReference winID, bool containerOpen);
+
+	WindowReference createInventoryWindow();
 
 	// Event processors
 	bool processCommandEvents(WindowClick click, Common::Event &event);
@@ -145,6 +150,10 @@ public:
 
 	const Graphics::Font& getCurrentFont();
 
+	// Modifiers
+	void bringToFront(WindowReference window);
+	void setWindowTitle(WindowReference winID, Common::String string);
+
 	// Ugly switches
 	BorderBounds borderBounds(MVWindowType type);
 
@@ -165,7 +174,7 @@ private: // Attributes
 	Graphics::MacWindow *_selfWindow;
 	Graphics::MacWindow *_exitsWindow;
 	Graphics::MacWindow *_diplomaWindow;
-	Graphics::MacWindow *_inventoryWindow;
+	Common::Array<Graphics::MacWindow*> _inventoryWindows;
 	Graphics::Menu *_menu;
 
 private: // Methods
@@ -178,7 +187,6 @@ private: // Methods
 	// Loaders
 	bool loadMenus();
 	bool loadWindows();
-	void loadInventoryWindow();
 	bool loadControls();
 	void loadBorder(Graphics::MacWindow * target, Common::String filename, bool active);
 
@@ -188,6 +196,9 @@ private: // Methods
 	void drawMainGameWindow();
 	void drawSelfWindow();
 
+	// Finders
+	WindowData& findWindowData(WindowReference reference);
+
 };
 
 class CommandButton {
diff --git a/engines/macventure/macventure.cpp b/engines/macventure/macventure.cpp
index f2a2f43f51..6e477d4b05 100644
--- a/engines/macventure/macventure.cpp
+++ b/engines/macventure/macventure.cpp
@@ -171,7 +171,7 @@ void MacVentureEngine::activateCommand(ControlReference id) {
 }
 
 void MacVentureEngine::refreshReady() {
-	switch (objectsToApplyCommand()) {
+	switch (getInvolvedObjects()) {
 	case 0: // No selected object
 		_cmdReady = true;
 		break;
@@ -201,16 +201,18 @@ void MacVentureEngine::loseGame() {
 	_gameState = kGameStateLosing;
 }
 
-void MacVentureEngine::enqueueObject(ObjID id) {
+void MacVentureEngine::enqueueObject(ObjectQueueID type, ObjID objID) {
 	QueuedObject obj;
-	obj.parent = _world->getObjAttr(id, kAttrParentObject);
-	obj.x = _world->getObjAttr(id, kAttrPosX);
-	obj.y = _world->getObjAttr(id, kAttrPosY);
-	obj.exitx = _world->getObjAttr(id, kAttrExitX);
-	obj.exity = _world->getObjAttr(id, kAttrExitY);
-	obj.hidden = _world->getObjAttr(id, kAttrHiddenExit);
-	obj.offsecreen = _world->getObjAttr(id, kAttrInvisible);
-	obj.invisible = _world->getObjAttr(id, kAttrUnclickable);
+	obj.id = type;
+	obj.object = objID;
+	obj.parent = _world->getObjAttr(objID, kAttrParentObject);
+	obj.x = _world->getObjAttr(objID, kAttrPosX);
+	obj.y = _world->getObjAttr(objID, kAttrPosY);
+	obj.exitx = _world->getObjAttr(objID, kAttrExitX);
+	obj.exity = _world->getObjAttr(objID, kAttrExitY);
+	obj.hidden = _world->getObjAttr(objID, kAttrHiddenExit);
+	obj.offsecreen = _world->getObjAttr(objID, kAttrInvisible);
+	obj.invisible = _world->getObjAttr(objID, kAttrUnclickable);
 	_objQueue.push_back(obj);
 }
 
@@ -300,16 +302,58 @@ bool MacVentureEngine::updateState() {
 }
 
 void MacVentureEngine::revert() {
+	warning("revert: unimplemented");
 }
 
 void MacVentureEngine::runObjQueue() {
-
+	warning("runObjQueue: not fully implemented");
+	while (!_objQueue.empty()) {
+		uint32 biggest = 0;
+		uint32 index = 0;
+		uint32 temp;
+		for (uint i = 0; i < _objQueue.size(); i++) {
+			temp = _objQueue[i].id;
+			if (temp > biggest) {
+				biggest = temp;
+				index = i;
+			}
+		}
+		QueuedObject obj = _objQueue[index];
+		_objQueue.remove_at(index);
+		switch (obj.id) {
+		case 0x2:
+			focusObjectWindow(obj.object);
+			break;
+		case 0x3:
+			openObject(obj.object);
+			break;
+		case 0x4:
+			closeObject(obj.object);
+			break;
+		case 0x7:
+			checkObject(obj.object);
+			break;
+		case 0x8:
+			reflectSwap(obj.object);
+			break;
+		case 0xc:
+			_world->setObjAttr(_gui->getWindowData(kMainGameWindow).refcon, kAttrContainerOpen, 0);
+			_world->setObjAttr(_world->getObjAttr(1, kAttrParentObject), kAttrContainerOpen, 1);
+			break;
+		case 0xd:
+			toggleExits();
+			break;
+		case 0xe:
+			zoomObject(obj.object);
+			break;
+		}
+	}
 }
 
 void MacVentureEngine::updateControls() {
 	if (_activeControl)
 		_activeControl = kNoCommand;
-	// toggleExits();
+	toggleExits();
 	// resetVars();
 }
 
@@ -322,6 +366,52 @@ void MacVentureEngine::resetVars() {
 	_cmdReady = false;
 }
 
+void MacVentureEngine::focusObjectWindow(ObjID objID) {
+	if (objID) {
+		WindowReference win = getObjWindow(objID);
+		if (win)
+			_gui->bringToFront(win);
+	}
+}
+
+void MacVentureEngine::openObject(ObjID objID) {
+	if (getObjWindow(objID)) return;
+	if (objID == _world->getObjAttr(1, kAttrParentObject)) {
+		//_gui->setRefcon(objID, kMainGameWindow); // FIXME: Find better name
+		_gui->updateWindow(kMainGameWindow, _world->getObjAttr(objID, kAttrContainerOpen));
+		//_gui->drawExits();
+		_gui->setWindowTitle(kMainGameWindow, _world->getText(objID));
+	} else { // Open inventory window
+		Common::Point p(_world->getObjAttr(objID, kAttrPosX), _world->getObjAttr(objID, kAttrPosY));
+		//getParentWin(obj).localToGlobal(p);
+		//globalToDesktop(p);
+		WindowReference invID = _gui->createInventoryWindow();
+		_gui->setWindowTitle(invID, _world->getText(objID));
+		//_gui->setRefCon(objID, invID);
+		_gui->updateWindow(invID, _world->getObjAttr(objID, kAttrContainerOpen));
+	}
+}
+
+void MacVentureEngine::closeObject(ObjID objID) {
+	warning("closeObject: unimplemented");
+}
+
+void MacVentureEngine::checkObject(ObjID objID) {
+	warning("checkObject: unimplemented");
+}
+
+void MacVentureEngine::reflectSwap(ObjID objID) {
+	warning("reflectSwap: unimplemented");
+}
+
+void MacVentureEngine::toggleExits() {
+	warning("toggleExits: unimplemented");
+}
+
+void MacVentureEngine::zoomObject(ObjID objID) {
+	warning("zoomObject: unimplemented");
+}
+
 ControlAction MacVenture::MacVentureEngine::referenceToAction(ControlReference id) {
 	switch (id) {
 	case MacVenture::kControlExitBox:
@@ -347,10 +437,6 @@ ControlAction MacVenture::MacVentureEngine::referenceToAction(ControlReference i
 	}
 }
 
-uint MacVentureEngine::objectsToApplyCommand() {
-	return uint();
-}
-
 // Data retrieval
 
 bool MacVentureEngine::isPaused() {
@@ -382,6 +468,37 @@ uint32 MacVentureEngine::randBetween(uint32 min, uint32 max) {
 	return _rnd->getRandomNumber(max - min) + min;
 }
 
+uint32 MacVentureEngine::getInvolvedObjects() {
+	return (_selectedControl ? _globalSettings.cmdArgCnts[_selectedControl - 1] : 3000);
+}
+
+WindowReference MacVentureEngine::getObjWindow(ObjID objID) {
+	switch (objID) {
+	case 0xfffc: return kExitsWindow;
+	case 0xfffd: return kSelfWindow;
+	case 0xfffe: return kOutConsoleWindow;
+	case 0xffff: return kCommandsWindow;
+	}
+
+	return findObjWindow(objID);
+}
+
+WindowReference MacVentureEngine::findObjWindow(ObjID objID) {
+	return kMainGameWindow;
+}
+
+Common::Point MacVentureEngine::getDeltaPoint() {
+	return _deltaPoint;
+}
+
+ObjID MacVentureEngine::getDestObject() {
+	return _destObject;
+}
+
+ControlAction MacVentureEngine::getSelectedControl() {
+	return _selectedControl;
+}
+
 // Data loading
 
 bool MacVentureEngine::loadGlobalSettings() {
diff --git a/engines/macventure/macventure.h b/engines/macventure/macventure.h
index 3ae195aef0..aabcdcb8ac 100644
--- a/engines/macventure/macventure.h
+++ b/engines/macventure/macventure.h
@@ -164,7 +164,7 @@ public:
 	bool updateState();
 	void revert();
 
-	void enqueueObject(ObjID id);
+	void enqueueObject(ObjectQueueID type, ObjID objID);
 	void enqueueText(TextQueueID type, ObjID target, ObjID source, ObjID text);
 
 	void runObjQueue();
@@ -178,6 +178,13 @@ public:
 	bool isOldText() const;
 	const HuffmanLists *getDecodingHuffman() const;
 	uint32 randBetween(uint32 min, uint32 max);
+	uint32 getInvolvedObjects();
+	WindowReference getObjWindow(ObjID objID);
+	WindowReference findObjWindow(ObjID objID);
+
+	Common::Point getDeltaPoint();
+	ObjID getDestObject();
+	ControlAction getSelectedControl();
 
 private:
 	void processEvents();
@@ -187,13 +194,21 @@ private:
 	void updateControls();
 	void resetVars();
 
+	// Object queue methods
+	void focusObjectWindow(ObjID objID);
+	void openObject(ObjID objID);
+	void closeObject(ObjID objID);
+	void checkObject(ObjID objID);
+	void reflectSwap(ObjID objID);
+	void toggleExits();
+	void zoomObject(ObjID objID);
+
 	// Data loading
 	bool loadGlobalSettings();
 	bool loadTextHuffman();
 
 	// Utils
 	ControlAction referenceToAction(ControlReference id);
-	uint objectsToApplyCommand();
 
 	const char* getGameFileName() const;
 
@@ -222,9 +237,9 @@ private: // Attributes
 	bool _haltedAtEnd, _haltedInSelection;
 	bool _gameChanged;
 
-	Common::List<QueuedObject> _objQueue;
-	Common::List<QueuedObject> _soundQueue;
-	Common::List<QueuedObject> _textQueue;
+	Common::Array<QueuedObject> _objQueue;
+	Common::Array<QueuedObject> _soundQueue;
+	Common::Array<QueuedObject> _textQueue;
 
 	// Selections
 	ObjID _destObject;
diff --git a/engines/macventure/script.cpp b/engines/macventure/script.cpp
index b0d5ef0011..5702c9f1ad 100644
--- a/engines/macventure/script.cpp
+++ b/engines/macventure/script.cpp
@@ -151,6 +151,7 @@ bool ScriptEngine::runFunc(EngineFrame *frame) {
 	byte op;	
 	while (script.hasNext()) {
 		op = script.fetch();
+		debug(8, "SCRIPT: I'm running operation %x", op);
 		if (!(op & 0x80)) {
 			state->push(op);
 		} else {
@@ -900,7 +901,7 @@ void ScriptEngine::opbcCALL(EngineState * state, EngineFrame * frame, ScriptAsse
 
 void ScriptEngine::opbdFOOB(EngineState * state, EngineFrame * frame) {
 	word obj = state->pop();
-	_engine->enqueueObject(obj);
+	_engine->enqueueObject(kFocusWindow, obj);
 }
 
 void ScriptEngine::opbeSWOB(EngineState * state, EngineFrame * frame) {
diff --git a/engines/macventure/world.cpp b/engines/macventure/world.cpp
index 2f603c5ddc..c7b103efd7 100644
--- a/engines/macventure/world.cpp
+++ b/engines/macventure/world.cpp
@@ -68,7 +68,7 @@ void World::setObjAttr(ObjID objID, uint32 attrID, Attribute value) {
 		setParent(objID, value);
 	
 	if (attrID < kAttrOtherDoor)
-		_engine->enqueueObject(objID);
+		_engine->enqueueObject(kUpdateObject, objID);
 
 	uint32 idx = _engine->getGlobalSettings().attrIndices[attrID];
 	value <<= _engine->getGlobalSettings().attrShifts[attrID];
@@ -80,7 +80,29 @@ void World::setObjAttr(ObjID objID, uint32 attrID, Attribute value) {
 }
 
 bool MacVenture::World::isObjActive(ObjID obj) {
-	return false;
+	ObjID destObj = _engine->getDestObject();
+	Common::Point p = _engine->getDeltaPoint();
+	ControlAction selectedControl = _engine->getSelectedControl();
+	if (!getAncestor(obj)) return false; // If our ancestor is the garbage (obj 0), we're inactive
+	if (_engine->getInvolvedObjects() >= 2 &&	// If (we need > 1 objs for the command) && 
+		destObj > 0 &&			// we have a destination object &&
+		!getAncestor(destObj))  // but that destination object is in the garbage
+		return false;
+	if (selectedControl != kMoveObject) return true; // We only need one 
+	// Handle move object
+	if (!isObjDraggable(obj)) return false; // We can't move it
+	if (getObjAttr(1, kAttrParentObject) != destObj) return true; // if the target is not the player's parent, we can go
+	Common::Rect rect(kScreenWidth, kScreenHeight);
+	rect.top -= getObjAttr(obj, kAttrPosY) + p.y;
+	rect.left -= getObjAttr(obj, kAttrPosX) + p.x;	
+	return intersects(obj, rect);
+}
+
+ObjID World::getAncestor(ObjID objID) {
+	ObjID root = getObjAttr(1, kAttrParentObject);
+	while (objID != 0 && objID != 1 && objID != root)
+		objID = getObjAttr(objID, kAttrParentObject);
+	return objID;
 }
 
 Common::Array<ObjID> World::getFamily(ObjID objID, bool recursive) {
@@ -102,21 +124,6 @@ Common::Array<ObjID> World::getChildren(ObjID objID, bool recursive) {
 	return Common::Array<ObjID>();
 }
 
-WindowReference World::getObjWindow(ObjID objID) {
-	switch (objID) {
-	case 0xfffc: return kExitsWindow;
-	case 0xfffd: return kSelfWindow;
-	case 0xfffe: return kOutConsoleWindow;
-	case 0xffff: return kCommandsWindow;
-	}
-
-	return findObjWindow(objID);
-}
-
-WindowReference World::findObjWindow(ObjID objID) {
-	return kMainGameWindow;
-}
-
 Attribute World::getGlobal(uint32 attrID) {
 	return _saveGame->getGlobals()[attrID];
 }
@@ -130,7 +137,7 @@ void World::updateObj(ObjID objID) {
 	if (getObjAttr(1, kAttrParentObject) == objID) {
 		win = kMainGameWindow;
 	} else {
-		win = getObjWindow(objID);
+		win = _engine->getObjWindow(objID);
 	}
 	if (win) {
 		//focusObjWin(objID);
@@ -152,6 +159,17 @@ Common::String World::getText(ObjID objID) {
 }
 
 
+bool World::isObjDraggable(ObjID objID) {
+	return (getObjAttr(objID, kAttrInvisible) == 0 &&
+			getObjAttr(objID, kAttrUnclickable) == 0 &&
+			getObjAttr(objID, kAttrUndraggable) == 0);
+}
+
+bool World::intersects(ObjID objID, Common::Rect rect) {
+	warning("Intersects: unimplemented");
+	return true;
+}
+
 bool World::loadStartGameFileName() {
 	Common::SeekableReadStream *res;
 
diff --git a/engines/macventure/world.h b/engines/macventure/world.h
index 370582665b..fe45508623 100644
--- a/engines/macventure/world.h
+++ b/engines/macventure/world.h
@@ -101,13 +101,16 @@ public:
 	Attribute getGlobal(uint32 attrID);
 	Common::String getText(ObjID objID);
 
-	bool isObjActive(ObjID obj);
+	bool isObjActive(ObjID objID);
+
+	ObjID getAncestor(ObjID objID);
 	Common::Array<ObjID> getFamily(ObjID objID, bool recursive);
-	Common::Array<ObjID> getChildren(ObjID objID, bool recursive);
-	WindowReference getObjWindow(ObjID objID);
-	WindowReference findObjWindow(ObjID objID);
+	Common::Array<ObjID> getChildren(ObjID objID, bool recursive);	
 
 private:
+	bool isObjDraggable(ObjID objID);
+	bool intersects(ObjID objID, Common::Rect rect);
+
 	bool loadStartGameFileName();
 	void calculateObjectRelations();
 	void setParent(ObjID child, ObjID newParent);