3 files changed, 29 insertions, 32 deletions

diff --git a/engines/titanic/carry/brain.cpp b/engines/titanic/carry/brain.cpp
index 7b2e8d0e45..49178d1e10 100644
--- a/engines/titanic/carry/brain.cpp
+++ b/engines/titanic/carry/brain.cpp
@@ -56,28 +56,25 @@ void CBrain::load(SimpleFile *file) {
 
 bool CBrain::UseWithOtherMsg(CUseWithOtherMsg *msg) {
 	CBrainSlot *slot = dynamic_cast<CBrainSlot *>(msg->_other);
-	if (slot) {
-		if (slot->getName() == "CentralCore") {
-			setVisible(false);
-			petMoveToHiddenRoom();
-			CAddHeadPieceMsg headpieceMsg(getName());
-			headpieceMsg.execute("CentralCoreSlot");
-		}
-		else if (!slot->_value1 && slot->getName() == "CentralCoreSlot") {
-			setVisible(false);
-			petMoveToHiddenRoom();
-			CAddHeadPieceMsg headpieceMsg(getName());
-			headpieceMsg.execute(msg->_other);
-			playSound("z#116.wav");
-			setPosition(Point(0, 0));
-			setVisible(false);
-			_field134 = 1;
-		}
-
-		return true;
-	} else {
+	if (!slot) {
 		return CCarry::UseWithOtherMsg(msg);
+	} else if (isEquals("CentralCore")) {
+		setVisible(false);
+		petMoveToHiddenRoom();
+		CAddHeadPieceMsg headpieceMsg(getName());
+		headpieceMsg.execute("CentralCoreSlot");
+	} else if (!slot->_occupied && slot->getName() != "CentralCoreSlot") {
+		setVisible(false);
+		petMoveToHiddenRoom();
+		CAddHeadPieceMsg headpieceMsg(getName());
+		headpieceMsg.execute(msg->_other);
+		playSound("z#116.wav");
+		setPosition(Point(0, 0));
+		setVisible(false);
+		_field134 = 1;
 	}
+
+	return true;
 }
 
 bool CBrain::VisibleMsg(CVisibleMsg *msg) {
diff --git a/engines/titanic/game/brain_slot.cpp b/engines/titanic/game/brain_slot.cpp
index 1518d9b0b3..585df09591 100644
--- a/engines/titanic/game/brain_slot.cpp
+++ b/engines/titanic/game/brain_slot.cpp
@@ -33,12 +33,12 @@ BEGIN_MESSAGE_MAP(CBrainSlot, CGameObject)
 	ON_MESSAGE(MouseDragStartMsg)
 END_MESSAGE_MAP()
 
-int CBrainSlot::_added;
+bool CBrainSlot::_added;
 bool CBrainSlot::_woken;
 
 void CBrainSlot::save(SimpleFile *file, int indent) {
 	file->writeNumberLine(1, indent);
-	file->writeNumberLine(_value1, indent);
+	file->writeNumberLine(_occupied, indent);
 	file->writeQuotedLine(_target, indent);
 	file->writeNumberLine(_added, indent);
 	file->writeNumberLine(_woken, indent);
@@ -48,7 +48,7 @@ void CBrainSlot::save(SimpleFile *file, int indent) {
 
 void CBrainSlot::load(SimpleFile *file) {
 	file->readNumber();
-	_value1 = file->readNumber();
+	_occupied = file->readNumber();
 	_target = file->readString();
 	_added = file->readNumber();
 	_woken = file->readNumber();
@@ -58,12 +58,12 @@ void CBrainSlot::load(SimpleFile *file) {
 
 bool CBrainSlot::SetFrameMsg(CSetFrameMsg *msg) {
 	loadFrame(msg->_frameNumber);
-	_value1 = 1;
+	_occupied = true;
 	return true;
 }
 
 bool CBrainSlot::AddHeadPieceMsg(CAddHeadPieceMsg *msg) {
-	_added = 1;
+	_added = true;
 	_cursorId = CURSOR_HAND;
 	CAddHeadPieceMsg addMsg("NULL");
 
@@ -101,7 +101,7 @@ bool CBrainSlot::AddHeadPieceMsg(CAddHeadPieceMsg *msg) {
 	}
 
 	_target = msg->_value;
-	_value1 = 1;
+	_occupied = true;
 	return true;
 }
 
@@ -124,7 +124,7 @@ bool CBrainSlot::ActMsg(CActMsg *msg) {
 }
 
 bool CBrainSlot::MouseDragStartMsg(CMouseDragStartMsg *msg) {
-	if (!_value1 || _woken || !checkPoint(msg->_mousePos, false, true))
+	if (!_occupied || _woken || !checkPoint(msg->_mousePos, false, true))
 		return false;
 
 	_cursorId = CURSOR_ARROW;
@@ -134,14 +134,14 @@ bool CBrainSlot::MouseDragStartMsg(CMouseDragStartMsg *msg) {
 	takeMsg.execute("TitaniaControl");
 
 	loadFrame(isEquals("CentralCoreSlot") ? 21 : 0);
-	_value1 = 0;
+	_occupied = false;
 
 	CPassOnDragStartMsg passMsg;
 	passMsg._mousePos = msg->_mousePos;
 	passMsg.execute(_target);
 
 	msg->_dragItem = getRoot()->findByName(_target);
-	_added = 0;
+	_added = false;
 
 	return true;
 }
diff --git a/engines/titanic/game/brain_slot.h b/engines/titanic/game/brain_slot.h
index 4d500cc59a..a821cfd1cb 100644
--- a/engines/titanic/game/brain_slot.h
+++ b/engines/titanic/game/brain_slot.h
@@ -35,14 +35,14 @@ class CBrainSlot : public CGameObject {
 	bool ActMsg(CActMsg *msg);
 	bool MouseDragStartMsg(CMouseDragStartMsg *msg);
 public:
-	static int _added;
+	static bool _added;
 	static bool _woken;
 public:
-	int _value1;
+	bool _occupied;
 	CString _target;
 public:
 	CLASSDEF;
-	CBrainSlot() : CGameObject(), _value1(0) {}
+	CBrainSlot() : CGameObject(), _occupied(false) {}
 
 	/**
 	 * Save the data for the class to file