PEGASUS: Add Norad Alpha

Not yet completable, but you can at least fill the oxygen mask to go through the Mars Maze now.

13 files changed, 1554 insertions, 14 deletions

diff --git a/engines/pegasus/neighborhood/norad/alpha/fillingstation.cpp b/engines/pegasus/neighborhood/norad/alpha/fillingstation.cpp
new file mode 100755
index 0000000000..a858e75928
--- /dev/null
+++ b/engines/pegasus/neighborhood/norad/alpha/fillingstation.cpp
@@ -0,0 +1,445 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "pegasus/gamestate.h"
+#include "pegasus/pegasus.h"
+#include "pegasus/items/inventory/airmask.h"
+#include "pegasus/neighborhood/norad/alpha/fillingstation.h"
+#include "pegasus/neighborhood/norad/alpha/noradalpha.h"
+
+namespace Pegasus {
+
+const tNotificationFlags kFSPowerUpFinishedFlag = 1;
+const tNotificationFlags kFSSplashFinishedFlag = kFSPowerUpFinishedFlag << 1;
+const tNotificationFlags kFSIntakeWarningFinishedFlag = kFSSplashFinishedFlag << 1;
+const tNotificationFlags kFSIntakeHiliteFinishedFlag = kFSIntakeWarningFinishedFlag << 1;
+const tNotificationFlags kFSDispenseHiliteFinishedFlag = kFSIntakeHiliteFinishedFlag << 1;
+const tNotificationFlags kFSArHiliteFinishedFlag = kFSDispenseHiliteFinishedFlag << 1;
+const tNotificationFlags kFSCO2HiliteFinishedFlag = kFSArHiliteFinishedFlag << 1;
+const tNotificationFlags kFSHeHiliteFinishedFlag = kFSCO2HiliteFinishedFlag << 1;
+const tNotificationFlags kFSOHiliteFinishedFlag = kFSHeHiliteFinishedFlag << 1;
+const tNotificationFlags kFSNHiliteFinishedFlag = kFSOHiliteFinishedFlag << 1;
+
+const tNotificationFlags kFSNotificationFlags = kFSPowerUpFinishedFlag |
+												kFSSplashFinishedFlag |
+												kFSIntakeWarningFinishedFlag |
+												kFSIntakeHiliteFinishedFlag |
+												kFSDispenseHiliteFinishedFlag |
+												kFSArHiliteFinishedFlag |
+												kFSCO2HiliteFinishedFlag |
+												kFSHeHiliteFinishedFlag |
+												kFSOHiliteFinishedFlag |
+												kFSNHiliteFinishedFlag;
+
+const int16 kNoState = 0;
+const int16 kMainMenu = 1;
+const int16 kWaitingForAttach = 2;
+const int16 kDispenseMenu = 3;
+const int16 kWaitingForDispense = 4;
+
+// Dummy itemIDs
+
+const tItemID kCO2Item = 10000;
+const tItemID kHeItem = 10001;
+
+//	Interactive points.
+
+const TimeValue kFSPowerUpStartStart = 0;
+const TimeValue kFSPowerUpStartStop = 600;
+const TimeValue kFSSplashStart = 600;
+const TimeValue kFSSplashStop = 7800;
+const TimeValue kFSSplashIntakeStart = 7800;
+const TimeValue kFSSplashIntakeStop = 18600;
+
+const TimeValue kFSMainMenu = 18600;
+const TimeValue kFSIntakeHiliteStart = 19200;
+const TimeValue kFSIntakeHiliteStop = 19800;
+const TimeValue kFSDispenseHiliteStart = 19800;
+const TimeValue kFSDispenseHiliteStop = 20400;
+
+const TimeValue kFSDispenseMenu = 20400;
+
+const TimeValue kFSArHiliteStart = 21000;
+const TimeValue kFSArHiliteStop = 21600;
+const TimeValue kFSArAttach = 21600;
+const TimeValue kFSArFilledStart = 22200;
+const TimeValue kFSArFilledStop = 25200;
+const TimeValue kFSArIncompatibleStart = 25200;
+const TimeValue kFSArIncompatibleStop = 30000;
+
+const TimeValue kFSCO2HiliteStart = 30000;
+const TimeValue kFSCO2HiliteStop = 30600;
+const TimeValue kFSCO2Attach = 30600;
+const TimeValue kFSCO2FilledStart = 31200;
+const TimeValue kFSCO2FilledStop = 34200;
+const TimeValue kFSCO2IncompatibleStart = 34200;
+const TimeValue kFSCO2IncompatibleStop = 39000;
+
+const TimeValue kFSHeHiliteStart = 39000;
+const TimeValue kFSHeHiliteStop = 39600;
+const TimeValue kFSHeAttach = 39600;
+const TimeValue kFSHeFilledStart = 40200;
+const TimeValue kFSHeFilledStop = 43200;
+const TimeValue kFSHeIncompatibleStart = 43200;
+const TimeValue kFSHeIncompatibleStop = 48000;
+
+const TimeValue kFSOHiliteStart = 48000;
+const TimeValue kFSOHiliteStop = 48600;
+const TimeValue kFSOAttach = 48600;
+const TimeValue kFSOFilledStart = 49200;
+const TimeValue kFSOFilledStop = 52200;
+const TimeValue kFSOIncompatibleStart = 52200;
+const TimeValue kFSOIncompatibleStop = 57000;
+
+const TimeValue kFSNHiliteStart = 57000;
+const TimeValue kFSNHiliteStop = 57600;
+const TimeValue kFSNAttach = 57600;
+const TimeValue kFSNFilledStart = 58200;
+const TimeValue kFSNFilledStop = 61200;
+const TimeValue kFSNIncompatibleStart = 61200;
+const TimeValue kFSNIncompatibleStop = 66000;
+
+const TimeValue kFSIntakeMenu = 66000;
+const TimeValue kFSIntakeInProgressStart = 66600;
+const TimeValue kFSIntakeInProgressStop = 69600;
+
+NoradAlphaFillingStation::NoradAlphaFillingStation(Neighborhood *owner) : GameInteraction(kNoradFillingStationInteractionID, owner),
+		_rightSideMovie(kN01RightSideID), _rightSideNotification(kNoradFillingStationNotificationID, ((PegasusEngine *)g_engine)) {
+	_state = kNoState;
+}
+
+void NoradAlphaFillingStation::openInteraction() {	
+	_rightSideMovie.initFromMovieFile("Images/Norad Alpha/N01W Right Side");
+	_rightSideMovie.moveElementTo(kNoradAlpha01RightSideLeft, kNoradAlpha01RightSideTop);
+	_rightSideMovie.setDisplayOrder(kN01RightSideOrder);
+	_rightSideMovie.startDisplaying();
+	_rightSideCallBack.setNotification(&_rightSideNotification);
+	_rightSideCallBack.initCallBack(&_rightSideMovie, kCallBackAtExtremes);
+	_rightSideCallBack.setCallBackFlag(kFSPowerUpFinishedFlag);
+	_rightSideNotification.notifyMe(this, kFSNotificationFlags, kFSNotificationFlags);
+	_rightSideCallBack.scheduleCallBack(kTriggerAtStop, 0, 0);
+	_rightSideMovie.show();
+	_rightSideMovie.redrawMovieWorld();
+	_rightSideMovie.setSegment(kFSPowerUpStartStart, kFSPowerUpStartStop);
+}
+
+void NoradAlphaFillingStation::initInteraction() {
+	allowInput(false);
+
+	_rightSideMovie.setRate(2);
+}
+
+void NoradAlphaFillingStation::closeInteraction() {
+	_rightSideMovie.stop();
+	_rightSideMovie.stopDisplaying();
+	_rightSideMovie.releaseMovie();
+	_rightSideCallBack.releaseCallBack();
+	((NoradAlpha *)getOwner())->turnOffFillingStation();
+}
+
+void NoradAlphaFillingStation::setStaticState(TimeValue time, int16 state) {
+	_rightSideMovie.stop();
+	_rightSideMovie.setSegment(0, _rightSideMovie.getDuration());
+	_rightSideMovie.setTime(time);
+	_state = state;
+	allowInput(true);
+}
+
+void NoradAlphaFillingStation::setSegmentState(TimeValue start, TimeValue stop, tNotificationFlags flag, int16 state) {	
+	_rightSideMovie.stop();
+	_rightSideMovie.setSegment(start, stop);
+	_rightSideMovie.setTime(start);
+	_rightSideCallBack.setCallBackFlag(flag);
+	_rightSideCallBack.scheduleCallBack(kTriggerAtStop, 0, 0);
+	_state = state;
+	allowInput(false);
+	_rightSideMovie.setRate(2);
+}
+
+void NoradAlphaFillingStation::powerUpFinished() {
+	((NoradAlpha *)getOwner())->turnOnFillingStation();
+	setSegmentState(kFSSplashStart, kFSSplashStop, kFSSplashFinishedFlag, kNoState);
+}
+
+void NoradAlphaFillingStation::splashFinished() {
+	if (GameState.getNoradGassed())
+		setSegmentState(kFSSplashIntakeStart, kFSSplashIntakeStop, kFSIntakeWarningFinishedFlag, kNoState);
+	else
+		intakeWarningFinished();
+}
+
+void NoradAlphaFillingStation::intakeWarningFinished() {
+	setStaticState(kFSMainMenu, kMainMenu);
+}
+
+void NoradAlphaFillingStation::showIntakeInProgress(uint16 numSeconds) {	
+	if (numSeconds == 0) {
+		setSegmentState(kFSIntakeInProgressStart, kFSIntakeInProgressStop, kFSIntakeWarningFinishedFlag, kNoState);
+		Item *item = ((NoradAlpha *)getOwner())->getFillingItem();
+
+		if (item->getObjectID() == kGasCanister) {
+			GameState.setNoradGassed(true);
+			((NoradAlpha *)getOwner())->loadAmbientLoops();
+			getOwner()->restoreStriding(kNorad03, kEast, kAltNoradAlphaNormal);
+		}
+	} else {
+		setSegmentState(kFSIntakeInProgressStart, kFSIntakeInProgressStart + _rightSideMovie.getScale() * numSeconds,
+				kFSIntakeWarningFinishedFlag, kNoState);
+	}
+}
+
+void NoradAlphaFillingStation::intakeHighlightFinished() {	
+	_rightSideMovie.stop();
+
+	if (GameState.getNoradGassed()) {
+		showIntakeInProgress(2);
+	} else {
+		Item *item = ((NoradAlpha *)getOwner())->getFillingItem();
+		if (item)
+			showIntakeInProgress(0);
+		else
+			setStaticState(kFSIntakeMenu, kWaitingForAttach);
+	}
+}
+
+void NoradAlphaFillingStation::dispenseHighlightFinished() {
+	setStaticState(kFSDispenseMenu, kDispenseMenu);
+}
+
+void NoradAlphaFillingStation::dispenseGas() {	
+	Item *item = ((NoradAlpha *)getOwner())->getFillingItem();
+
+	if (item) {
+		if (item->getObjectID() != _dispenseItemID)
+			switch (_dispenseItemID) {
+			case kArgonCanister:
+				setSegmentState(kFSArIncompatibleStart, kFSArIncompatibleStop,
+						kFSIntakeWarningFinishedFlag, kNoState);
+				break;
+			case kCO2Item:
+				setSegmentState(kFSCO2IncompatibleStart, kFSCO2IncompatibleStop,
+						kFSIntakeWarningFinishedFlag, kNoState);
+				break;
+			case kHeItem:
+				setSegmentState(kFSHeIncompatibleStart, kFSHeIncompatibleStop,
+						kFSIntakeWarningFinishedFlag, kNoState);
+				break;
+			case kAirMask:
+				setSegmentState(kFSOIncompatibleStart, kFSOIncompatibleStop,
+						kFSIntakeWarningFinishedFlag, kNoState);
+				break;
+			case kNitrogenCanister:
+				setSegmentState(kFSNIncompatibleStart, kFSNIncompatibleStop,
+						kFSIntakeWarningFinishedFlag, kNoState);
+				break;
+			}
+		else {
+			if (_dispenseItemID == kArgonCanister) {
+				setSegmentState(kFSArFilledStart, kFSArFilledStop, kFSIntakeWarningFinishedFlag, kNoState);
+				item->setItemState(kArgonFull);
+				GameState.setScoringFilledArgonCanister(true);
+			} else if (_dispenseItemID == kAirMask) {
+				setSegmentState(kFSOFilledStart, kFSOFilledStop, kFSIntakeWarningFinishedFlag, kNoState);
+				((AirMask *)item)->refillAirMask();
+				GameState.setScoringFilledOxygenCanister(true);
+			} else if (_dispenseItemID == kNitrogenCanister) {
+				setSegmentState(kFSNFilledStart, kFSNFilledStop, kFSIntakeWarningFinishedFlag, kNoState);
+				item->setItemState(kNitrogenFull);
+			}
+		}
+	} else {
+		switch (_dispenseItemID) {
+		case kArgonCanister:
+			setStaticState(kFSArAttach, kWaitingForDispense);
+			break;
+		case kCO2Item:
+			setStaticState(kFSCO2Attach, kWaitingForDispense);
+			break;
+		case kHeItem:
+			setStaticState(kFSHeAttach, kWaitingForDispense);
+			break;
+		case kAirMask:
+			setStaticState(kFSOAttach, kWaitingForDispense);
+			break;
+		case kNitrogenCanister:
+			setStaticState(kFSNAttach, kWaitingForDispense);
+			break;
+		}
+	}
+}
+
+void NoradAlphaFillingStation::ArHighlightFinished() {
+	_dispenseItemID = kArgonCanister;
+	dispenseGas();
+}
+
+void NoradAlphaFillingStation::CO2HighlightFinished() {
+	_dispenseItemID = kCO2Item;
+	dispenseGas();
+}
+
+void NoradAlphaFillingStation::HeHighlightFinished() {
+	_dispenseItemID = kHeItem;
+	dispenseGas();
+}
+
+void NoradAlphaFillingStation::OHighlightFinished() {
+	_dispenseItemID = kAirMask;
+	dispenseGas();
+}
+
+void NoradAlphaFillingStation::NHighlightFinished() {
+	_dispenseItemID = kNitrogenCanister;
+	dispenseGas();
+}
+
+void NoradAlphaFillingStation::receiveNotification(Notification *, const tNotificationFlags flags) {
+	switch (flags) {
+	case kFSPowerUpFinishedFlag:
+		powerUpFinished();
+		break;
+	case kFSSplashFinishedFlag:
+		splashFinished();
+		break;
+	case kFSIntakeWarningFinishedFlag:
+		intakeWarningFinished();
+		break;
+	case kFSIntakeHiliteFinishedFlag:
+		intakeHighlightFinished();
+		break;
+	case kFSDispenseHiliteFinishedFlag:
+		dispenseHighlightFinished();
+		break;
+	case kFSArHiliteFinishedFlag:
+		ArHighlightFinished();
+		break;
+	case kFSCO2HiliteFinishedFlag:
+		CO2HighlightFinished();
+		break;
+	case kFSHeHiliteFinishedFlag:
+		HeHighlightFinished();
+		break;
+	case kFSOHiliteFinishedFlag:
+		OHighlightFinished();
+		break;
+	case kFSNHiliteFinishedFlag:
+		NHighlightFinished();
+		break;
+	}
+}
+
+void NoradAlphaFillingStation::handleInput(const Input &input, const Hotspot *cursorSpot) {
+	InputHandler::handleInput(input, cursorSpot);
+}
+
+void NoradAlphaFillingStation::clickInIntake() {
+	setSegmentState(kFSIntakeHiliteStart, kFSIntakeHiliteStop, kFSIntakeHiliteFinishedFlag, kNoState);
+}
+
+void NoradAlphaFillingStation::clickInDispense() {
+	setSegmentState(kFSDispenseHiliteStart, kFSDispenseHiliteStop, kFSDispenseHiliteFinishedFlag, kNoState);
+}
+
+void NoradAlphaFillingStation::clickInAr() {
+	setSegmentState(kFSArHiliteStart, kFSArHiliteStop, kFSArHiliteFinishedFlag, kNoState);
+}
+
+void NoradAlphaFillingStation::clickInCO2() {
+	setSegmentState(kFSCO2HiliteStart, kFSCO2HiliteStop, kFSCO2HiliteFinishedFlag, kNoState);
+}
+
+void NoradAlphaFillingStation::clickInHe() {
+	setSegmentState(kFSHeHiliteStart, kFSHeHiliteStop, kFSHeHiliteFinishedFlag, kNoState);
+}
+
+void NoradAlphaFillingStation::clickInO() {
+	setSegmentState(kFSOHiliteStart, kFSOHiliteStop, kFSOHiliteFinishedFlag, kNoState);
+}
+
+void NoradAlphaFillingStation::clickInN() {
+	setSegmentState(kFSNHiliteStart, kFSNHiliteStop, kFSNHiliteFinishedFlag, kNoState);
+}
+
+void NoradAlphaFillingStation::clickInHotspot(const Input &input, const Hotspot *spot) {
+	GameInteraction::clickInHotspot(input, spot);
+
+	switch (spot->getObjectID()) {
+	case kNorad01IntakeSpotID:
+		clickInIntake();
+		break;
+	case kNorad01DispenseSpotID:
+		clickInDispense();
+		break;
+	case kNorad01ArSpotID:
+		clickInAr();
+		break;
+	case kNorad01CO2SpotID:
+		clickInCO2();
+		break;
+	case kNorad01HeSpotID:
+		clickInHe();
+		break;
+	case kNorad01OSpotID:
+		clickInO();
+		break;
+	case kNorad01NSpotID:
+		clickInN();
+		break;
+	}
+}
+
+void NoradAlphaFillingStation::activateHotspots() {
+	GameInteraction::activateHotspots();
+
+	switch (_state) {
+	case kMainMenu:
+		g_allHotspots.activateOneHotspot(kNorad01IntakeSpotID);
+		g_allHotspots.activateOneHotspot(kNorad01DispenseSpotID);
+		break;
+	case kDispenseMenu:
+		g_allHotspots.activateOneHotspot(kNorad01ArSpotID);
+		g_allHotspots.activateOneHotspot(kNorad01CO2SpotID);
+		g_allHotspots.activateOneHotspot(kNorad01HeSpotID);
+		g_allHotspots.activateOneHotspot(kNorad01OSpotID);
+		g_allHotspots.activateOneHotspot(kNorad01NSpotID);
+		break;
+	}
+}
+
+void NoradAlphaFillingStation::newFillingItem(Item *item) {
+	switch (_state) {
+	case kWaitingForAttach:
+		if (item)
+			showIntakeInProgress(0);
+		break;
+	case kWaitingForDispense:
+		dispenseGas();
+		break;
+	default:
+		break;
+	}
+}
+
+} // End of namespace Pegasus
diff --git a/engines/pegasus/neighborhood/norad/alpha/fillingstation.h b/engines/pegasus/neighborhood/norad/alpha/fillingstation.h
new file mode 100755
index 0000000000..e3fb1f6fd8
--- /dev/null
+++ b/engines/pegasus/neighborhood/norad/alpha/fillingstation.h
@@ -0,0 +1,91 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef PEGASUS_NEIGHBORHOOD_NORAD_ALPHA_FILLINGSTATION_H
+#define PEGASUS_NEIGHBORHOOD_NORAD_ALPHA_FILLINGSTATION_H
+
+#include "pegasus/interaction.h"
+#include "pegasus/movie.h"
+#include "pegasus/notification.h"
+
+namespace Pegasus {
+
+class Item;
+
+class NoradAlphaFillingStation : public GameInteraction, public NotificationReceiver {
+public:
+	NoradAlphaFillingStation(Neighborhood *);
+	virtual ~NoradAlphaFillingStation() {}
+
+	virtual void handleInput(const Input &, const Hotspot *);
+
+	virtual void clickInHotspot(const Input &, const Hotspot *);
+	virtual void activateHotspots();
+
+	void newFillingItem(Item *);
+
+protected:
+	void receiveNotification(Notification *, const tNotificationFlags);
+
+	virtual void openInteraction();
+	virtual void initInteraction();
+	virtual void closeInteraction();
+
+	void powerUpFinished();
+	void splashFinished();
+	void intakeWarningFinished();
+	void intakeHighlightFinished();
+	void dispenseHighlightFinished();
+	void ArHighlightFinished();
+	void CO2HighlightFinished();
+	void HeHighlightFinished();
+	void OHighlightFinished();
+	void NHighlightFinished();
+
+	void showIntakeInProgress(uint16);
+
+	void clickInIntake();
+	void clickInDispense();
+	void clickInAr();
+	void clickInCO2();
+	void clickInHe();
+	void clickInO();
+	void clickInN();
+
+	void dispenseGas();
+
+	void setStaticState(TimeValue, int16);
+	void setSegmentState(TimeValue, TimeValue, tNotificationFlags, int16);
+
+	Movie _rightSideMovie;
+	Notification _rightSideNotification;
+	NotificationCallBack _rightSideCallBack;
+	int16 _state;
+	tItemID _dispenseItemID;
+};
+
+} // End of namespace Pegasus
+
+#endif
diff --git a/engines/pegasus/neighborhood/norad/alpha/noradalpha.cpp b/engines/pegasus/neighborhood/norad/alpha/noradalpha.cpp
new file mode 100755
index 0000000000..c12623f6cc
--- /dev/null
+++ b/engines/pegasus/neighborhood/norad/alpha/noradalpha.cpp
@@ -0,0 +1,763 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "pegasus/energymonitor.h"
+#include "pegasus/gamestate.h"
+#include "pegasus/pegasus.h"
+#include "pegasus/ai/ai_area.h"
+#include "pegasus/items/inventory/airmask.h"
+#include "pegasus/neighborhood/norad/subcontrolroom.h"
+#include "pegasus/neighborhood/norad/alpha/fillingstation.h"
+#include "pegasus/neighborhood/norad/alpha/noradalpha.h"
+
+namespace Pegasus {
+
+const uint32 NoradAlpha::_noradAlphaClawExtras[22] = {
+	kN22ClawFromAToB,
+	kN22ClawALoop,
+	kN22ClawAPinch,
+	kN22ClawACounterclockwise,
+	kN22ClawAClockwise,
+	kN22ClawFromBToA,
+	kN22ClawFromBToC,
+	kN22ClawFromBToD,
+	kN22ClawBLoop,
+	kN22ClawBPinch,
+	kN22ClawBCounterclockwise,
+	kN22ClawBClockwise,
+	kN22ClawFromCToB,
+	kN22ClawCLoop,
+	kN22ClawCPinch,
+	kN22ClawCCounterclockwise,
+	kN22ClawCClockwise,
+	kN22ClawFromDToB,
+	kN22ClawDLoop,
+	kN22ClawDPinch,
+	kN22ClawDCounterclockwise,
+	kN22ClawDClockwise
+};
+
+NoradAlpha::NoradAlpha(InputHandler *nextHandler, PegasusEngine *owner) : Norad(nextHandler, owner, "Norad Alpha", kNoradAlphaID) {
+	_elevatorUpRoomID = kNorad11South;
+	_elevatorDownRoomID = kNorad12South;
+	_elevatorUpSpotID = kNorad12ElevatorUpSpotID;
+	_elevatorDownSpotID = kNorad11ElevatorDownSpotID;
+
+	_subRoomEntryRoom1 = kNorad10;
+	_subRoomEntryDir1 = kEast;
+	_subRoomEntryRoom2 = kNorad21;
+	_subRoomEntryDir2 = kWest;
+	_upperPressureDoorRoom = kNorad10East;
+	_lowerPressureDoorRoom = kNorad21West;
+
+	_upperPressureDoorUpSpotID = kAlphaUpperPressureDoorUpSpotID;
+	_upperPressureDoorDownSpotID = kAlphaUpperPressureDoorDownSpotID;
+	_upperPressureDoorAbortSpotID = kNorad10EastOutSpotID;
+
+	_lowerPressureDoorUpSpotID = kAlphaLowerPressureDoorUpSpotID;
+	_lowerPressureDoorDownSpotID = kAlphaLowerPressureDoorDownSpotID;
+	_lowerPressureDoorAbortSpotID = kNorad21WestOutSpotID;
+
+	_pressureSoundIn = kPressureDoorIntro1In;
+	_pressureSoundOut = kPressureDoorIntro1Out;
+	_equalizeSoundIn = kPressureDoorIntro2In;
+	_equalizeSoundOut = kPressureDoorIntro2Out;
+	_accessDeniedIn = kAlphaAccessDeniedIn;
+	_accessDeniedOut = kAlphaAccessDeniedOut;
+
+	_platformRoom = kNorad19West;
+	_subControlRoom = kNorad22West;
+
+	_subPrepFailed = false;
+
+	setIsItemTaken(kGasCanister);
+}
+
+void NoradAlpha::init() {
+	Norad::init();
+	
+	Hotspot *hotspot = g_allHotspots.findHotspotByID(kN01GasCanisterSpotID);
+	hotspot->setMaskedHotspotFlags(kPickUpItemSpotFlag, kPickUpItemSpotFlag);
+	HotspotInfoTable::Entry *hotspotEntry = findHotspotEntry(kN01GasCanisterSpotID);
+	hotspotEntry->hotspotItem = kGasCanister;
+	
+	hotspot = g_allHotspots.findHotspotByID(kN01ArgonCanisterSpotID);
+	hotspot->setMaskedHotspotFlags(kPickUpItemSpotFlag, kPickUpItemSpotFlag);
+	hotspotEntry = findHotspotEntry(kN01ArgonCanisterSpotID);
+	hotspotEntry->hotspotItem = kArgonCanister;
+	
+	hotspot = g_allHotspots.findHotspotByID(kN01NitrogenCanisterSpotID);
+	hotspot->setMaskedHotspotFlags(kPickUpItemSpotFlag, kPickUpItemSpotFlag);
+	hotspotEntry = findHotspotEntry(kN01NitrogenCanisterSpotID);
+	hotspotEntry->hotspotItem = kNitrogenCanister;
+	
+	hotspot = g_allHotspots.findHotspotByID(kN01AirMaskSpotID);
+	hotspot->setMaskedHotspotFlags(kPickUpItemSpotFlag, kPickUpItemSpotFlag);
+	hotspotEntry = findHotspotEntry(kN01AirMaskSpotID);
+	hotspotEntry->hotspotItem = kAirMask;
+	
+	hotspot = g_allHotspots.findHotspotByID(kN01GasOutletSpotID);
+	hotspot->setMaskedHotspotFlags(kDropItemSpotFlag, kDropItemSpotFlag);
+}
+
+void NoradAlpha::start() {	
+	if (g_energyMonitor) {
+		g_energyMonitor->stopEnergyDraining();
+		g_energyMonitor->restoreLastEnergyValue();
+		_vm->resetEnergyDeathReason();
+		g_energyMonitor->startEnergyDraining();
+	}
+
+	tNeighborhoodID itemNeighborhood;
+	tRoomID itemRoom;
+	tDirectionConstant itemDirection;
+
+	Item *item = (Item *)g_allItems.findItemByID(kGasCanister);
+	item->getItemRoom(itemNeighborhood, itemRoom, itemDirection);
+
+	if (itemNeighborhood == getObjectID()) {
+		_fillingStationItem = item;
+	} else {
+		item = (Item *)g_allItems.findItemByID(kAirMask);
+		item->getItemRoom(itemNeighborhood, itemRoom, itemDirection);
+
+		if (itemNeighborhood == getObjectID()) {
+			_fillingStationItem = item;
+		} else {
+			item = (Item *)g_allItems.findItemByID(kNitrogenCanister);
+			item->getItemRoom(itemNeighborhood, itemRoom, itemDirection);
+
+			if (itemNeighborhood == getObjectID()) {
+				_fillingStationItem = item;
+			} else {
+				item = (Item *)g_allItems.findItemByID(kArgonCanister);
+				item->getItemRoom(itemNeighborhood, itemRoom, itemDirection);
+				if (itemNeighborhood == getObjectID())
+					_fillingStationItem = item;
+				else
+					_fillingStationItem = 0;
+			}
+		}
+	}
+
+	if (!GameState.getNoradGassed())
+		forceStridingStop(kNorad03, kEast, kAltNoradAlphaNormal);
+
+	GameState.setNoradArrivedFromSub(false);
+	Norad::start();
+}
+
+void NoradAlpha::setUpAIRules() {	
+	Neighborhood::setUpAIRules();
+
+	if (g_AIArea) {
+		AIPlayMessageAction *messageAction = new AIPlayMessageAction("Images/AI/Norad/XN01WD1", false);
+		AIHasItemCondition *hasGasCanisterCondition = new AIHasItemCondition(kGasCanister);
+		AIRule *rule = new AIRule(hasGasCanisterCondition, messageAction);
+		g_AIArea->addAIRule(rule);
+	}
+}
+
+bool NoradAlpha::okayToJump() {
+	bool result = Neighborhood::okayToJump();
+
+	if (!result)
+		playSpotSoundSync(kAlphaCantTransportIn, kAlphaCantTransportOut);
+
+	return result;
+}
+
+void NoradAlpha::getExtraCompassMove(const ExtraTable::Entry &entry, FaderMoveSpec &compassMove) {
+	if (entry.extra == kNorad19ExitToSub) {
+		compassMove.makeTwoKnotFaderSpec(kNoradAlphaMovieScale, entry.movieStart, 270 + kSubPlatformCompassAngle,
+				entry.movieEnd, 90 + 20 + 360);
+		compassMove.insertFaderKnot(entry.movieStart + 10 * kNoradAlphaFrameDuration, 270 + kSubPlatformCompassAngle);
+		compassMove.insertFaderKnot(entry.movieStart + 29 * kNoradAlphaFrameDuration, 270 + kSubPlatformCompassAngle + 20);
+		compassMove.insertFaderKnot(entry.movieStart + 52 * kNoradAlphaFrameDuration, 270 + kSubPlatformCompassAngle + 20);
+		compassMove.insertFaderKnot(entry.movieStart + 84 * kNoradAlphaFrameDuration, 360 + 90);
+		compassMove.insertFaderKnot(entry.movieStart + 198 * kNoradAlphaFrameDuration, 360 + 90);
+		compassMove.insertFaderKnot(entry.movieStart + 270 * kNoradAlphaFrameDuration, 360 + 90 + 15);
+		compassMove.insertFaderKnot(entry.movieStart + 280 * kNoradAlphaFrameDuration, 360 + 90 + 20);
+	} else {
+		Norad::getExtraCompassMove(entry, compassMove);
+	}
+}
+
+void NoradAlpha::playClawMonitorIntro() {
+	playSpotSoundSync(kLoadClawIntroIn, kLoadClawIntroOut);
+}
+
+GameInteraction *NoradAlpha::makeInteraction(const tInteractionID interactionID) {
+	switch (interactionID) {
+	case kNoradECRMonitorInteractionID:
+		// TODO
+		warning("Unhandled ECR monitor interaction");
+		break;
+	case kNoradFillingStationInteractionID:
+		return new NoradAlphaFillingStation(this);
+	}
+
+	return Norad::makeInteraction(interactionID);
+}
+
+void NoradAlpha::loadAmbientLoops() {
+	// clone2727 would like to point out that the following comment does not quite
+	// match the code logic below
+
+/*
+	Logic:
+	
+	loop sound 1:
+		if gassed,
+			play warning loop of some sort
+		else
+			play nothing
+	loop sound 2:
+		if gassed and not wearing air mask
+			if in ECR
+				play breathing water loop
+			else
+				play breathing
+		else
+			if in ECR
+				play water loop
+			if at N07 north
+				play unmanned loop
+*/
+
+	if (!GameState.getNoradSeenTimeStream())
+		return;
+
+	tRoomID room = GameState.getCurrentRoom();
+	if (GameState.getNoradGassed()) {
+		if (room >= kNorad11 && room <= kNorad19West)
+			loadLoopSound1("Sounds/Norad/NEW SUB AMB.22K.AIFF", kNoradWarningVolume * 3);
+		else if (room >= kNorad21 && room <= kNorad22West)
+			loadLoopSound1("Sounds/Norad/SUB CONTRL LOOP.22K.AIFF", kNoradWarningVolume * 3);
+		else
+			loadLoopSound1("Sounds/Norad/WARNING LOOP.22K.AIFF", kNoradWarningVolume);
+	} else {
+		loadLoopSound1("");
+	}
+
+	if (GameState.getNoradGassed() && !g_airMask->isAirFilterOn()) {
+		if (room >= kNorad01 && room <= kNorad01West) {
+			loadLoopSound2("Sounds/Norad/Breathing Water.22K.AIFF", kNoradSuckWindVolume);
+		} else if (room == kNorad02) {
+			if (GameState.isCurrentDoorOpen())
+				loadLoopSound2("Sounds/Norad/Breathing Water.22K.AIFF", kNoradSuckWindVolume);
+			else
+				loadLoopSound2("Sounds/Norad/SUCKING WIND.22K.AIFF", kNoradSuckWindVolume, 0, 0);
+		} else {
+			loadLoopSound2("Sounds/Norad/SUCKING WIND.22K.AIFF", kNoradSuckWindVolume, 0, 0);
+		}
+	} else {
+		if (room >= kNorad01 && room <= kNorad01West) {
+			loadLoopSound2("Sounds/Norad/WATER FLOWING.AIFF", 0x100 / 2);
+		} else if (room == kNorad02) {
+			if (GameState.isCurrentDoorOpen())
+				loadLoopSound2("Sounds/Norad/WATER FLOWING.AIFF", 0x100 / 2);
+			else
+				loadLoopSound2("");
+		} else {
+			loadLoopSound2("");
+		}
+	}
+	
+}
+
+void NoradAlpha::checkContinuePoint(const tRoomID room, const tDirectionConstant direction) {
+	switch (MakeRoomView(room, direction)) {
+	case MakeRoomView(kNorad02, kEast):
+	case MakeRoomView(kNorad06, kEast):
+	case MakeRoomView(kNorad11, kEast):
+	case MakeRoomView(kNorad15, kEast):
+	case MakeRoomView(kNorad19, kWest):
+	case MakeRoomView(kNorad21, kSouth):
+		makeContinuePoint();
+		break;
+	}
+}
+
+void NoradAlpha::arriveAt(const tRoomID room, const tDirectionConstant direction) {
+	Norad::arriveAt(room, direction);
+
+	switch (GameState.getCurrentRoom()) {
+	case kNorad01:
+		arriveAtNorad01();
+		break;
+	case kNorad01East:
+		arriveAtNorad01East();
+		break;
+	case kNorad01West:
+		arriveAtNorad01West();
+		break;
+	case kNorad04:
+		arriveAtNorad04();
+		break;
+	case kNorad07North:
+		GameState.setScoringSawUnconsciousOperator(true);
+		break;
+	case kNorad11:
+		GameState.setScoringWentThroughPressureDoor(true);
+		break;
+	case kNorad22:
+		arriveAtNorad22();
+		break;
+	}
+}
+
+void NoradAlpha::arriveAtNorad01() {
+	if (!GameState.getNoradSeenTimeStream() && GameState.getCurrentDirection() == kSouth) {
+		GameState.setNoradN22MessagePlayed(false);
+		requestExtraSequence(kNoradArriveFromTSA, kExtraCompletedFlag, kFilterNoInput);
+		// You are no match for me, human.
+		requestExtraSequence(kNorad01RobotTaunt, kExtraCompletedFlag, kFilterNoInput);
+	}
+}
+
+void NoradAlpha::arriveAtNorad01East() {
+	GameState.setScoringSawSecurityMonitor(true);
+	newInteraction(kNoradECRMonitorInteractionID);
+}
+
+void NoradAlpha::arriveAtNorad01West() {
+	newInteraction(kNoradFillingStationInteractionID);
+}
+
+void NoradAlpha::arriveAtNorad04() {
+	if (GameState.getCurrentDirection() == kEast && !GameState.getNoradGassed())
+		playDeathExtra(kNorad04EastDeath, kDeathWokeUpNorad);
+}
+
+void NoradAlpha::arriveAtNorad22() {
+	if (!GameState.getNoradN22MessagePlayed() && GameState.getCurrentDirection() == kSouth) {
+		startExtraSequence(kNorad22SouthIntro, kExtraCompletedFlag, kFilterNoInput);
+		GameState.setNoradN22MessagePlayed(true);
+	}
+}
+
+void NoradAlpha::bumpIntoWall() {
+	requestSpotSound(kAlphaBumpIntoWallIn, kAlphaBumpIntoWallOut, kFilterNoInput, 0);
+	Neighborhood::bumpIntoWall();
+}
+
+void NoradAlpha::receiveNotification(Notification *notification, const tNotificationFlags flags) {
+	if ((flags & kExtraCompletedFlag) != 0) {
+		switch (_lastExtra) {
+		case kNoradArriveFromTSA:
+			GameState.setNoradSeenTimeStream(true);
+			loadAmbientLoops();
+			break;
+		case kNorad01RobotTaunt:
+			g_AIArea->playAIMovie(kRightAreaSignature, "Images/AI/Norad/XN01SB", false, kWarningInterruption);
+			_interruptionFilter = kFilterAllInput;
+			makeContinuePoint();
+			break;
+		}
+	}
+
+	Norad::receiveNotification(notification, flags);
+
+	if ((flags & kExtraCompletedFlag) != 0) {
+		switch (_lastExtra) {
+		case kNorad22SouthIntro:
+			loopExtraSequence(kNorad22SouthReply);
+			playSpotSoundSync(kN22ReplyIn, kN22ReplyOut);
+			startExtraSequence(kNorad22SouthFinish, kExtraCompletedFlag, kFilterNoInput);
+			break;
+		case kNorad22SouthFinish:
+			_interruptionFilter = kFilterAllInput;
+			// Force ArriveAt to do its thing...
+			GameState.setCurrentRoom(kNorad21);
+			arriveAt(kNorad22, kSouth);
+			break;
+		}
+	}
+
+	g_AIArea->checkMiddleArea();
+}
+
+void NoradAlpha::getZoomEntry(const tHotSpotID spotID, ZoomTable::Entry &entry) {
+	Norad::getZoomEntry(spotID, entry);
+
+	ExtraTable::Entry extra;
+
+	if (spotID == kNorad01GasSpotID) {
+		if (_fillingStationItem) {
+			if (_fillingStationItem->getObjectID() == kGasCanister) {
+				getExtraEntry(kNorad01ZoomInWithGasCanister, extra);
+				entry.movieStart = extra.movieStart;
+				entry.movieEnd = extra.movieEnd;
+			} else {
+				entry.clear();
+			}
+		}
+	} else if (spotID == kNorad01GasOutSpotID) {
+		if (_fillingStationItem) {
+			if (_fillingStationItem->getObjectID() == kGasCanister) {
+				getExtraEntry(kNorad01ZoomOutWithGasCanister, extra);
+				entry.movieStart = extra.movieStart;
+				entry.movieEnd = extra.movieEnd;
+			} else {
+				entry.clear();
+			}
+		}
+	}
+}
+
+TimeValue NoradAlpha::getViewTime(const tRoomID room, const tDirectionConstant direction) {
+	ExtraTable::Entry entry;
+	
+	if (room == kNorad01 && direction == kSouth && !GameState.getNoradSeenTimeStream()) {
+		getExtraEntry(kNoradArriveFromTSA, entry);
+		return entry.movieStart;
+	}
+
+	if (room == kNorad01 && direction == kWest) {
+		if (!_fillingStationItem) {
+			return Norad::getViewTime(room, direction);
+		} else {
+			getExtraEntry(kN01WGasCanister, entry);
+			return entry.movieStart;
+		}
+	} else if (room == kNorad01West && direction == kWest) {
+		uint32 extraID = 0xffffffff;
+		if (_fillingStationItem) {
+			switch (_fillingStationItem->getObjectID()) {
+			case kArgonCanister:
+				if (GameState.getNoradFillingStationOn())
+					extraID = kN01WZArgonCanisterLit;
+				else
+					extraID = kN01WZArgonCanisterDim;
+				break;
+			case kGasCanister:
+				if (GameState.getNoradFillingStationOn())
+					extraID = kN01WZGasCanisterLit;
+				else
+					extraID = kN01WZGasCanisterDim;
+				break;
+			case kAirMask:
+				if (GameState.getNoradFillingStationOn())
+					extraID = kN01WZAirMaskLit;
+				else
+					extraID = kN01WZAirMaskDim;
+				break;
+			case kNitrogenCanister:
+				if (GameState.getNoradFillingStationOn())
+					extraID = kN01WZNitrogenCanisterLit;
+				else
+					extraID = kN01WZNitrogenCanisterDim;
+				break;
+			default:
+				// Should never happen.
+				break;
+			}
+		} else if (GameState.getNoradFillingStationOn()) {
+			extraID = kN01WZEmptyLit;
+		}
+
+		if (extraID == 0xffffffff) {
+			return Norad::getViewTime(room, direction);
+		} else {
+			getExtraEntry(extraID, entry);
+			return entry.movieStart;
+		}
+	}
+
+	return Norad::getViewTime(room, direction);
+}
+
+void NoradAlpha::turnOnFillingStation() {
+	if (GameState.getCurrentRoom() == kNorad01West && !GameState.getNoradFillingStationOn()) {
+		GameState.setNoradFillingStationOn(true);
+		updateViewFrame();
+	}
+}
+
+void NoradAlpha::turnOffFillingStation() {
+	if (GameState.getCurrentRoom() == kNorad01West && GameState.getNoradFillingStationOn()) {
+		GameState.setNoradFillingStationOn(false);
+		updateViewFrame();
+	}
+}
+
+void NoradAlpha::activateHotspots() {
+	Norad::activateHotspots();
+
+	switch (GameState.getCurrentRoomAndView()) {
+	case MakeRoomView(kNorad01West, kWest):
+		if (_vm->getDragType() == kDragInventoryUse) {
+			if (!_fillingStationItem) {
+				tItemID itemID = _vm->getDraggingItem()->getObjectID();
+				if (itemID == kArgonCanister || itemID == kGasCanister || itemID == kAirMask ||
+						itemID == kNitrogenCanister)
+					g_allHotspots.activateOneHotspot(kN01GasOutletSpotID);
+			}
+		} else {
+			tHotSpotID spotID;
+
+			if (_fillingStationItem) {
+				switch (_fillingStationItem->getObjectID()) {
+				case kArgonCanister:
+					spotID = kN01ArgonCanisterSpotID;
+					g_allHotspots.deactivateOneHotspot(kNorad01GasOutSpotID);
+					break;
+				case kGasCanister:
+					spotID = kN01GasCanisterSpotID;
+					break;
+				case kAirMask:
+					spotID = kN01AirMaskSpotID;
+					g_allHotspots.deactivateOneHotspot(kNorad01GasOutSpotID);
+					break;
+				case kNitrogenCanister:
+					spotID = kN01NitrogenCanisterSpotID;
+					g_allHotspots.deactivateOneHotspot(kNorad01GasOutSpotID);
+					break;
+				default:
+					// Should never happen.
+					spotID = kNoHotSpotID;
+					break;
+				}
+				g_allHotspots.activateOneHotspot(spotID);
+			}
+		}
+		break;
+	case MakeRoomView(kNorad10, kEast):
+		if (GameState.isCurrentDoorOpen())
+			g_allHotspots.deactivateOneHotspot(kNorad10DoorSpotID);
+		break;
+	case MakeRoomView(kNorad21, kWest):
+		if (GameState.isCurrentDoorOpen())
+			g_allHotspots.deactivateOneHotspot(kNorad21WestSpotID);
+		break;
+	}
+}
+
+void NoradAlpha::clickInHotspot(const Input &input, const Hotspot *cursorSpot) {	
+	Norad::clickInHotspot(input, cursorSpot);
+
+	if (_vm->getDragType() == kDragInventoryUse) {
+		if (GameState.getCurrentRoomAndView() == MakeRoomView(kNorad01West, kWest)) {
+			Item *item = _vm->getDraggingItem();
+			if (item->getObjectID() == kAirMask || item->getObjectID() == kArgonCanister ||
+					item->getObjectID() == kNitrogenCanister || item->getObjectID() == kGasCanister) {
+				HotspotInfoTable::Entry *hotspotEntry = findHotspotEntry(kN01GasOutletSpotID);
+				hotspotEntry->hotspotItem = item->getObjectID();
+			}
+		}
+	}
+}
+
+void NoradAlpha::takeItemFromRoom(Item *item) {
+	if (GameState.getCurrentRoom() == kNorad01West) {
+		if (_fillingStationItem == item) {
+			_fillingStationItem = 0;
+			GameState.setNoradGassed(false);
+			loadAmbientLoops();
+			((NoradAlphaFillingStation *)_currentInteraction)->newFillingItem(0);
+			forceStridingStop(kNorad03, kEast, kAltNoradAlphaNormal);
+		}
+	}
+
+	Norad::takeItemFromRoom(item);
+}
+
+void NoradAlpha::dropItemIntoRoom(Item *item, Hotspot *droppedSpot) {
+	if (GameState.getCurrentRoom() == kNorad01West) {
+		if (!_fillingStationItem) {
+			_fillingStationItem = item;
+			((NoradAlphaFillingStation *)_currentInteraction)->newFillingItem(item);
+		}
+	}
+
+	Norad::dropItemIntoRoom(item, droppedSpot);
+}
+
+void NoradAlpha::getClawInfo(tHotSpotID &outSpotID, tHotSpotID &prepSpotID, tHotSpotID &clawControlSpotID, tHotSpotID &pinchClawSpotID,
+		tHotSpotID &moveClawDownSpotID, tHotSpotID &moveClawRightSpotID, tHotSpotID &moveClawLeftSpotID, tHotSpotID &moveClawUpSpotID,
+		tHotSpotID &clawCCWSpotID, tHotSpotID &clawCWSpotID, uint32 &clawPosition, const uint32 *&clawExtraIDs) {
+	outSpotID = kNorad22MonitorOutSpotID;
+	prepSpotID = kNorad22LaunchPrepSpotID;
+	clawControlSpotID = kNorad22ClawControlSpotID;
+	pinchClawSpotID = kNorad22ClawPinchSpotID;
+	moveClawDownSpotID = kNorad22ClawDownSpotID;
+	moveClawRightSpotID = kNorad22ClawRightSpotID;
+	moveClawLeftSpotID = kNorad22ClawLeftSpotID;
+	moveClawUpSpotID = kNorad22ClawUpSpotID;
+	clawCCWSpotID = kNorad22ClawCCWSpotID;
+	clawCWSpotID = kNorad22ClawCWSpotID;
+	clawPosition = kClawAtD;
+	clawExtraIDs = _noradAlphaClawExtras;
+}
+
+Hotspot *NoradAlpha::getItemScreenSpot(Item *item, DisplayElement *element) {
+	switch (item->getObjectID()) {
+	case kGasCanister:
+		return g_allHotspots.findHotspotByID(kN01GasCanisterSpotID);
+	case kAirMask:
+		return g_allHotspots.findHotspotByID(kN01AirMaskSpotID);
+	case kArgonCanister:
+		return g_allHotspots.findHotspotByID(kN01ArgonCanisterSpotID);
+	case kNitrogenCanister:
+		return g_allHotspots.findHotspotByID(kN01NitrogenCanisterSpotID);
+	}
+
+	return Norad::getItemScreenSpot(item, element);
+}
+
+Common::String NoradAlpha::getEnvScanMovie() {
+	Common::String movieName = Neighborhood::getEnvScanMovie();
+
+	if (movieName.empty()) {
+		tRoomID room = GameState.getCurrentRoom();
+		if (room >= kNorad01 && room <= kNorad01West)
+			return "Images/AI/Norad/XNE1";
+		else if ((room >= kNorad02 && room <= kNorad19West))
+			return "Images/AI/Norad/XNE2";
+
+		return "Images/AI/Norad/XNE3";
+	}
+
+	return movieName;
+}
+
+uint NoradAlpha::getNumHints() {
+	uint numHints = Neighborhood::getNumHints();
+
+	if (numHints == 0) {
+		switch (GameState.getCurrentRoomAndView()) {
+		case MakeRoomView(kNorad01, kNorth):
+		case MakeRoomView(kNorad01, kSouth):
+		case MakeRoomView(kNorad01, kEast):
+		case MakeRoomView(kNorad01, kWest):
+		case MakeRoomView(kNorad01East, kEast):
+		case MakeRoomView(kNorad01West, kWest):
+			if (GameState.getNoradGassed()) {
+				if (g_airMask->isAirFilterOn())
+					numHints = 0;
+				else
+					numHints = 3;
+			} else {
+				numHints = 2;
+			}
+			break;
+		case MakeRoomView(kNorad19West, kWest):
+			if (getSubPrepFailed() && GameState.getNoradSubPrepState() != kSubPrepped)
+				numHints = 1;
+			break;
+		case MakeRoomView(kNorad22, kWest):
+			numHints = 1;
+			break;
+		}
+	}
+
+	return numHints;
+}
+
+Common::String NoradAlpha::getHintMovie(uint hintNum) {
+	Common::String movieName = Neighborhood::getHintMovie(hintNum);
+
+	if (movieName.empty()) {
+		switch (GameState.getCurrentRoomAndView()) {
+		case MakeRoomView(kNorad01, kNorth):
+		case MakeRoomView(kNorad01, kSouth):
+		case MakeRoomView(kNorad01, kEast):
+		case MakeRoomView(kNorad01, kWest):
+		case MakeRoomView(kNorad01East, kEast):
+		case MakeRoomView(kNorad01West, kWest):
+			switch (hintNum) {
+			case 1:
+				if (GameState.getNoradGassed())
+					return "Images/AI/Norad/XN01SW";
+
+				return "Images/AI/Norad/XN01WD2";
+			case 2:
+				if (GameState.getNoradGassed()) {
+					if (_vm->playerHasItemID(kAirMask))
+						// Mask must not be on if we get here...
+						return "Images/AI/Globals/XGLOB1A";
+
+					return "Images/AI/Globals/XGLOB3D";
+				}
+
+				return "Images/AI/Globals/XGLOB5C";
+			case 3:
+				return "Images/AI/Norad/XN01SH";
+			}
+			break;
+		case MakeRoomView(kNorad19West, kWest):
+			return "Images/AI/Norad/XN19NH";
+		case MakeRoomView(kNorad22, kWest):
+			return "Images/AI/Globals/XGLOB1C";
+		}
+	}
+
+	return movieName;
+}
+
+void NoradAlpha::closeDoorOffScreen(const tRoomID room, const tDirectionConstant) {
+	switch (room) {
+	case kNorad12:
+	case kNorad13:
+	case kNorad18:
+	case kNorad19:
+		playSpotSoundSync(kAlphaElevatorDoorCloseIn, kAlphaElevatorDoorCloseOut);
+		break;
+	default:
+		playSpotSoundSync(kAlphaRegDoorCloseIn, kAlphaRegDoorCloseOut);
+		break;
+	}
+}
+
+void NoradAlpha::findSpotEntry(const tRoomID room, const tDirectionConstant direction, tSpotFlags flags, SpotTable::Entry &spotEntry) {
+	if (room == kNorad01 && direction == kSouth)
+		spotEntry.clear();
+	else
+		Norad::findSpotEntry(room, direction, flags, spotEntry);
+}
+
+bool NoradAlpha::canSolve() {
+	return Norad::canSolve() || getHintMovie(1) == "Images/AI/Norad/XN01SW";
+}
+
+void NoradAlpha::doSolve() {
+	Norad::doSolve();
+
+	if (getHintMovie(1) == "Images/AI/Norad/XN01SW") {
+		_vm->addItemToInventory(g_airMask);
+		g_airMask->putMaskOn();
+	}
+}
+
+Common::String NoradAlpha::getNavMovieName() {
+	return "Images/Norad Alpha/Norad Alpha.movie";
+}
+
+Common::String NoradAlpha::getSoundSpotsName() {
+	return "Sounds/Norad/Norad Alpha Spots";
+}
+
+} // End of namespace Pegasus
diff --git a/engines/pegasus/neighborhood/norad/alpha/noradalpha.h b/engines/pegasus/neighborhood/norad/alpha/noradalpha.h
new file mode 100755
index 0000000000..72a7ac6339
--- /dev/null
+++ b/engines/pegasus/neighborhood/norad/alpha/noradalpha.h
@@ -0,0 +1,142 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef PEGASUS_NEIGHBORHOOD_NORAD_ALPHA_NORADALPHA_H
+#define PEGASUS_NEIGHBORHOOD_NORAD_ALPHA_NORADALPHA_H
+
+#include "pegasus/neighborhood/norad/norad.h"
+
+namespace Pegasus {
+
+const TimeValue kAlphaBumpIntoWallIn = 0;
+const TimeValue kAlphaBumpIntoWallOut = 303;
+
+const TimeValue kAlphaAccessDeniedIn = 303;
+const TimeValue kAlphaAccessDeniedOut = 3045;
+
+const TimeValue kAlphaRegDoorCloseIn = 3045;
+const TimeValue kAlphaRegDoorCloseOut = 4476;
+
+const TimeValue kAlphaElevatorDoorCloseIn = 4476;
+const TimeValue kAlphaElevatorDoorCloseOut = 5071;
+
+const TimeValue kAlphaCantTransportIn = 5071;
+const TimeValue kAlphaCantTransportOut = 9348;
+
+const TimeValue kPressureDoorIntro1In = 9348;
+const TimeValue kPressureDoorIntro1Out = 11061;
+
+const TimeValue kPressureDoorIntro2In = 11061;
+const TimeValue kPressureDoorIntro2Out = 14098;
+
+const TimeValue kN22ReplyIn = 14098;
+const TimeValue kN22ReplyOut = 18442;
+
+const TimeValue kLoadClawIntroIn = 18442;
+const TimeValue kLoadClawIntroOut = 20698;
+
+class Item;
+
+class NoradAlpha : public Norad {
+public:
+	NoradAlpha(InputHandler *, PegasusEngine *);
+	virtual ~NoradAlpha() {}
+
+	virtual void init();
+	void start();
+
+	virtual bool okayToJump();
+
+	void playClawMonitorIntro();
+
+	void getExtraCompassMove(const ExtraTable::Entry &, FaderMoveSpec &);
+
+	void turnOnFillingStation();
+	void turnOffFillingStation();
+	Item *getFillingItem() { return _fillingStationItem; }
+	bool gasCanisterIntake();
+
+	virtual void takeItemFromRoom(Item *);
+	virtual void dropItemIntoRoom(Item *, Hotspot *);
+
+	virtual GameInteraction *makeInteraction(const tInteractionID);
+
+	virtual void getClawInfo(tHotSpotID &outSpotID, tHotSpotID &prepSpotID, tHotSpotID &clawControlSpotID,
+			tHotSpotID &pinchClawSpotID, tHotSpotID &moveClawDownSpotID, tHotSpotID &moveClawRightSpotID,
+			tHotSpotID &moveClawLeftSpotID, tHotSpotID &moveClawUpSpotID, tHotSpotID &clawCCWSpotID,
+			tHotSpotID &clawCWSpotID, uint32 &, const uint32 *&);
+
+	void loadAmbientLoops();
+
+	Common::String getEnvScanMovie();
+	uint getNumHints();
+	Common::String getHintMovie(uint);
+	void setUpAIRules();
+
+	void setSubPrepFailed(bool value) { _subPrepFailed = value; }
+	bool getSubPrepFailed() { return _subPrepFailed; }
+
+	void closeDoorOffScreen(const tRoomID, const tDirectionConstant);
+	void findSpotEntry(const tRoomID, const tDirectionConstant, tSpotFlags, SpotTable::Entry &);
+	void clickInHotspot(const Input &, const Hotspot *);
+
+	void checkContinuePoint(const tRoomID, const tDirectionConstant);
+
+	bool canSolve();
+	void doSolve();
+
+protected:
+	static const uint32 _noradAlphaClawExtras[22];
+
+	virtual void arriveAtNorad01();
+	virtual void arriveAtNorad01East();
+	virtual void arriveAtNorad01West();
+	virtual void arriveAtNorad04();
+	virtual void arriveAtNorad22();
+	
+	virtual void arriveAt(const tRoomID, const tDirectionConstant);
+	
+	virtual void getZoomEntry(const tHotSpotID, ZoomTable::Entry &);
+	virtual TimeValue getViewTime(const tRoomID, const tDirectionConstant);
+	
+	virtual void receiveNotification(Notification *, const tNotificationFlags);
+
+	virtual void activateHotspots();
+
+	Hotspot *getItemScreenSpot(Item *, DisplayElement *);
+
+	void bumpIntoWall();
+
+	Item *_fillingStationItem;
+
+	bool _subPrepFailed;
+
+	Common::String getSoundSpotsName();
+	Common::String getNavMovieName();
+};
+
+} // End of namespace Pegasus
+
+#endif
diff --git a/engines/pegasus/neighborhood/norad/norad.h b/engines/pegasus/neighborhood/norad/norad.h
index 4b4473cd44..5e818901dc 100755
--- a/engines/pegasus/neighborhood/norad/norad.h
+++ b/engines/pegasus/neighborhood/norad/norad.h
@@ -276,7 +276,103 @@ const tDisplayOrder kGlobeLowerNamesLayer = kGlobeUpperNamesLayer + 1;
 const tDisplayOrder kGlobeCountdownLayer = kGlobeLowerNamesLayer + 1;
 
 
-//	Norad Alpha Extra sequence IDs.
+//	Norad Alpha constants
+
+const TimeScale kNoradAlphaMovieScale = 600;
+const TimeScale kNoradAlphaFramesPerSecond = 15;
+const TimeScale kNoradAlphaFrameDuration = 40;
+
+//	Alternate IDs.
+
+const tAlternateID kAltNoradAlphaNormal = 0;
+
+//	Room IDs.
+
+const tRoomID kNorad01 = 0;
+const tRoomID kNorad01East = 1;
+const tRoomID kNorad01West = 2;
+const tRoomID kNorad02 = 3;
+const tRoomID kNorad03 = 4;
+const tRoomID kNorad04 = 5;
+const tRoomID kNorad05 = 6;
+const tRoomID kNorad06 = 7;
+const tRoomID kNorad07 = 8;
+const tRoomID kNorad07North = 9;
+const tRoomID kNorad08 = 10;
+const tRoomID kNorad09 = 11;
+const tRoomID kNorad10 = 12;
+const tRoomID kNorad10East = 13;
+const tRoomID kNorad11 = 14;
+const tRoomID kNorad11South = 15;
+const tRoomID kNorad12 = 16;
+const tRoomID kNorad12South = 17;
+const tRoomID kNorad13 = 18;
+const tRoomID kNorad14 = 19;
+const tRoomID kNorad15 = 20;
+const tRoomID kNorad16 = 21;
+const tRoomID kNorad17 = 22;
+const tRoomID kNorad18 = 23;
+const tRoomID kNorad19 = 24;
+const tRoomID kNorad19West = 25;
+const tRoomID kNorad21 = 26;
+const tRoomID kNorad21West = 27;
+const tRoomID kNorad22 = 28;
+const tRoomID kNorad22West = 29;
+
+//	Hot Spot Activation IDs.
+
+
+//	Hot Spot IDs.
+
+const tHotSpotID kNorad01ECRSpotID = 5000;
+const tHotSpotID kNorad01GasSpotID = 5001;
+const tHotSpotID kNorad01ECROutSpotID = 5002;
+const tHotSpotID kNorad01GasOutSpotID = 5003;
+const tHotSpotID kNorad01MonitorSpotID = 5004;
+const tHotSpotID kNorad01IntakeSpotID = 5005;
+const tHotSpotID kNorad01DispenseSpotID = 5006;
+const tHotSpotID kNorad01ArSpotID = 5007;
+const tHotSpotID kNorad01CO2SpotID = 5008;
+const tHotSpotID kNorad01HeSpotID = 5009;
+const tHotSpotID kNorad01OSpotID = 5010;
+const tHotSpotID kNorad01NSpotID = 5011;
+const tHotSpotID kN01GasCanisterSpotID = 5012;
+const tHotSpotID kN01ArgonCanisterSpotID = 5013;
+const tHotSpotID kN01AirMaskSpotID = 5014;
+const tHotSpotID kN01NitrogenCanisterSpotID = 5015;
+const tHotSpotID kN01GasOutletSpotID = 5016;
+const tHotSpotID kNorad07DoorSpotID = 5017;
+const tHotSpotID kNorad07DoorOutSpotID = 5018;
+const tHotSpotID kNorad10DoorSpotID = 5019;
+const tHotSpotID kNorad10EastOutSpotID = 5020;
+const tHotSpotID kAlphaUpperPressureDoorUpSpotID = 5021;
+const tHotSpotID kAlphaUpperPressureDoorDownSpotID = 5022;
+const tHotSpotID kNorad11ElevatorSpotID = 5023;
+const tHotSpotID kNorad11ElevatorOutSpotID = 5024;
+const tHotSpotID kNorad11ElevatorDownSpotID = 5025;
+const tHotSpotID kNorad12ElevatorSpotID = 5026;
+const tHotSpotID kNorad12ElevatorOutSpotID = 5027;
+const tHotSpotID kNorad12ElevatorUpSpotID = 5028;
+const tHotSpotID kNorad19MonitorSpotID = 5029;
+const tHotSpotID kNorad19MonitorOutSpotID = 5030;
+const tHotSpotID kNorad19ActivateMonitorSpotID = 5031;
+const tHotSpotID kNorad21WestSpotID = 5032;
+const tHotSpotID kNorad21WestOutSpotID = 5033;
+const tHotSpotID kAlphaLowerPressureDoorUpSpotID = 5034;
+const tHotSpotID kAlphaLowerPressureDoorDownSpotID = 5035;
+const tHotSpotID kNorad22MonitorSpotID = 5036;
+const tHotSpotID kNorad22MonitorOutSpotID = 5037;
+const tHotSpotID kNorad22LaunchPrepSpotID = 5038;
+const tHotSpotID kNorad22ClawControlSpotID = 5039;
+const tHotSpotID kNorad22ClawPinchSpotID = 5040;
+const tHotSpotID kNorad22ClawDownSpotID = 5041;
+const tHotSpotID kNorad22ClawRightSpotID = 5042;
+const tHotSpotID kNorad22ClawLeftSpotID = 5043;
+const tHotSpotID kNorad22ClawUpSpotID = 5044;
+const tHotSpotID kNorad22ClawCCWSpotID = 5045;
+const tHotSpotID kNorad22ClawCWSpotID = 5046;
+
+//	Extra sequence IDs.
 
 const tExtraID kNoradArriveFromTSA = 0;
 const tExtraID kNorad01RobotTaunt = 1;
@@ -321,6 +417,7 @@ const tExtraID kN22ClawDPinch = 39;
 const tExtraID kN22ClawDCounterclockwise = 40;
 const tExtraID kN22ClawDClockwise = 41;
 
+
 //	Norad Delta Extra sequence IDs.
 
 const tExtraID kArriveFromSubChase = 0;
@@ -386,13 +483,8 @@ const tExtraID kNoradDeltaRetinalScanBad = 59;
 const tExtraID kNoradDeltaRetinalScanGood = 60;
 const tExtraID kN79BrightView = 61;
 
-const TimeScale kNoradAlphaMovieScale = 600;
-const TimeScale kNoradAlphaFramesPerSecond = 15;
-const TimeScale kNoradAlphaFrameDuration = 40;
-
 const tRoomID kNorad59West = 23;
 const tRoomID kNorad60West = 25;
-const tHotSpotID kNorad19ActivateMonitorSpotID = 5031;
 
 // This is the code common to both Norad Alpha and Norad Delta
 
@@ -409,7 +501,7 @@ public:
 			tHotSpotID &clawControlSpotID, tHotSpotID &pinchClawSpotID,
 			tHotSpotID &moveClawDownSpotID, tHotSpotID &moveClawRightSpotID,
 			tHotSpotID &moveClawLeftSpotID,tHotSpotID &moveClawUpSpotID,
-			tHotSpotID &clawCCWSpotID, tHotSpotID &clawCWSpotID, uint32 &, uint32 *&) = 0;
+			tHotSpotID &clawCCWSpotID, tHotSpotID &clawCWSpotID, uint32 &, const uint32 *&) = 0;
 	void checkAirMask();
 
 	virtual uint16 getDateResID() const;
diff --git a/engines/pegasus/neighborhood/norad/pressuredoor.cpp b/engines/pegasus/neighborhood/norad/pressuredoor.cpp
index 066914c6db..0fd5f45ded 100755
--- a/engines/pegasus/neighborhood/norad/pressuredoor.cpp
+++ b/engines/pegasus/neighborhood/norad/pressuredoor.cpp
@@ -243,7 +243,7 @@ void PressureDoor::initInteraction() {
 		_robotState = kPlayingRobotApproaching;
 	}
 
-	// TODO: MoviesTask call -- needed?
+	_levelsMovie.redrawMovieWorld();
 }
 
 void PressureDoor::closeInteraction() {	
diff --git a/engines/pegasus/neighborhood/norad/subcontrolroom.cpp b/engines/pegasus/neighborhood/norad/subcontrolroom.cpp
index 7a01d32211..69244bcb7f 100755
--- a/engines/pegasus/neighborhood/norad/subcontrolroom.cpp
+++ b/engines/pegasus/neighborhood/norad/subcontrolroom.cpp
@@ -538,7 +538,8 @@ void SubControlRoom::initInteraction() {
 		playClawMonitorSection(kAlphaClawSplashStart, kAlphaClawSplashStop, kAlphaSplashFinished, _gameState, false);
 	}
 
-	// TODO: MoviesTask call. Needed?
+	_subControlMovie.redrawMovieWorld();
+	_clawMonitorMovie.redrawMovieWorld();
 
 	GameState.setScoringPlayedWithClaw(true);
 }									
diff --git a/engines/pegasus/neighborhood/norad/subcontrolroom.h b/engines/pegasus/neighborhood/norad/subcontrolroom.h
index 4a6889f82c..deea5042d0 100755
--- a/engines/pegasus/neighborhood/norad/subcontrolroom.h
+++ b/engines/pegasus/neighborhood/norad/subcontrolroom.h
@@ -98,7 +98,7 @@ protected:
 	uint32 _clawStartPosition;
 	uint32 _clawPosition;
 	uint32 _clawNextPosition;
-	uint32 *_clawExtraIDs;
+	const uint32 *_clawExtraIDs;
 
 	int _currentAction;
 	int _nextAction;
diff --git a/engines/pegasus/neighborhood/norad/subplatform.cpp b/engines/pegasus/neighborhood/norad/subplatform.cpp
index 0d4827b910..2665ab4ec5 100755
--- a/engines/pegasus/neighborhood/norad/subplatform.cpp
+++ b/engines/pegasus/neighborhood/norad/subplatform.cpp
@@ -28,6 +28,7 @@
 #include "pegasus/ai/ai_area.h"
 #include "pegasus/neighborhood/norad/norad.h"
 #include "pegasus/neighborhood/norad/subplatform.h"
+#include "pegasus/neighborhood/norad/alpha/noradalpha.h"
 
 namespace Pegasus {
 
@@ -150,8 +151,7 @@ void SubPlatform::receiveNotification(Notification *notification, const tNotific
 			owner->startLoop2Fader(loop2Spec);
 			break;
 		case kPrepIncompleteFinished:
-			// TODO
-			//((NoradAlpha *)owner)->setSubPrepFailed(true);
+			((NoradAlpha *)owner)->setSubPrepFailed(true);
 			g_AIArea->checkMiddleArea();
 			// Fall through...
 		case kDamagedFinished:
@@ -191,8 +191,7 @@ void SubPlatform::clickInHotspot(const Input &input, const Hotspot *spot) {
 
 		_platformMovie.show();
 		_platformMovie.start();
-
-		// TODO: MoviesTask call? I don't think it's needed
+		_platformMovie.redrawMovieWorld();
 
 		_stateBits &= ~kWaitingForPlayerBit;
 		
diff --git a/engines/pegasus/neighborhood/tsa/fulltsa.cpp b/engines/pegasus/neighborhood/tsa/fulltsa.cpp
index fcfae06676..0ce533c05d 100755
--- a/engines/pegasus/neighborhood/tsa/fulltsa.cpp
+++ b/engines/pegasus/neighborhood/tsa/fulltsa.cpp
@@ -31,6 +31,7 @@
 #include "pegasus/items/biochips/aichip.h"
 #include "pegasus/items/biochips/opticalchip.h"
 #include "pegasus/neighborhood/caldoria/caldoria.h"
+#include "pegasus/neighborhood/norad/alpha/noradalpha.h"
 #include "pegasus/neighborhood/prehistoric/prehistoric.h"
 #include "pegasus/neighborhood/mars/mars.h"
 #include "pegasus/neighborhood/tsa/fulltsa.h"
diff --git a/engines/pegasus/neighborhood/tsa/tinytsa.cpp b/engines/pegasus/neighborhood/tsa/tinytsa.cpp
index 3075895d81..831ab08850 100755
--- a/engines/pegasus/neighborhood/tsa/tinytsa.cpp
+++ b/engines/pegasus/neighborhood/tsa/tinytsa.cpp
@@ -30,6 +30,7 @@
 #include "pegasus/items/biochips/aichip.h"
 #include "pegasus/items/biochips/opticalchip.h"
 #include "pegasus/neighborhood/mars/mars.h"
+#include "pegasus/neighborhood/norad/alpha/noradalpha.h"
 #include "pegasus/neighborhood/tsa/tinytsa.h"
 #include "pegasus/neighborhood/wsc/wsc.h"
 
diff --git a/engines/pegasus/neighborhood/zoom.cpp b/engines/pegasus/neighborhood/zoom.cpp
index 942289038f..ee2d8be24a 100755
--- a/engines/pegasus/neighborhood/zoom.cpp
+++ b/engines/pegasus/neighborhood/zoom.cpp
@@ -52,6 +52,10 @@ void ZoomTable::clear() {
 }
 
 ZoomTable::Entry::Entry() {
+	clear();
+}
+
+void ZoomTable::Entry::clear() {
 	hotspot = kNoHotSpotID;
 	movieStart = 0xffffffff;
 	movieEnd = 0xffffffff;
diff --git a/engines/pegasus/neighborhood/zoom.h b/engines/pegasus/neighborhood/zoom.h
index 4046a76827..27290a88d5 100755
--- a/engines/pegasus/neighborhood/zoom.h
+++ b/engines/pegasus/neighborhood/zoom.h
@@ -49,6 +49,7 @@ public:
 
 	struct Entry {
 		Entry();
+		void clear();
 		bool isEmpty() { return movieStart == 0xffffffff; }
 
 		tHotSpotID hotspot;