PEGASUS: Stub off map handling

Needed to be able to load saved games

8 files changed, 571 insertions, 6 deletions

diff --git a/engines/pegasus/constants.h b/engines/pegasus/constants.h
index 20a7f69bd4..1d70c7d621 100755
--- a/engines/pegasus/constants.h
+++ b/engines/pegasus/constants.h
@@ -739,6 +739,11 @@ static const tGameMode kModeInfoScreen = kModeBiochipPick + 1;
 // TODO: Remove me
 static const tRoomID kNorad01 = 0;
 static const tRoomID kMars0A = 0;
+const tRoomID kMars35 = 38;
+const tRoomID kMars39 = 42;
+const tRoomID kMars60 = 58;
+const tRoomID kMarsMaze004 = 60;
+const tRoomID kMarsMaze200 = 224;
 static const tRoomID kWSC01 = 0;
 
 } // End of namespace Pegasus
diff --git a/engines/pegasus/items/biochips/mapchip.cpp b/engines/pegasus/items/biochips/mapchip.cpp
new file mode 100755
index 0000000000..de6d4e2dfe
--- /dev/null
+++ b/engines/pegasus/items/biochips/mapchip.cpp
@@ -0,0 +1,106 @@
+/* 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/ai/ai_area.h"
+#include "pegasus/items/biochips/mapchip.h"
+#include "pegasus/neighborhood/neighborhood.h"
+
+namespace Pegasus {
+
+MapChip *g_map = 0;
+
+MapChip::MapChip(const tItemID id, const tNeighborhoodID neighborhood, const tRoomID room, const tDirectionConstant direction) :
+		BiochipItem(id, neighborhood, room, direction) {
+	g_map = this;
+	setItemState(kMapUnavailable);
+}
+
+MapChip::~MapChip() {
+	g_map = 0;
+}
+
+void MapChip::writeToStream(Common::WriteStream *stream) {
+	return _image.writeToStream(stream);
+}
+
+void MapChip::readFromStream(Common::ReadStream *stream) {
+	return _image.readFromStream(stream);
+}
+
+void MapChip::select() {
+	BiochipItem::select();
+	moveToMapLocation(GameState.getCurrentNeighborhood(), GameState.getCurrentRoom(), GameState.getCurrentDirection());
+	_image.show();
+}
+
+void MapChip::takeSharedArea() {
+	_image.show();
+}
+
+void MapChip::giveUpSharedArea() {
+	_image.hide();
+}
+
+void MapChip::deselect() {
+	BiochipItem::deselect();
+	_image.unloadImage();
+}
+
+void MapChip::moveToMapLocation(const tNeighborhoodID neighborhood, const tRoomID room, const tDirectionConstant dir) {
+	tAirQuality airQuality;
+
+	if (g_neighborhood)
+		airQuality = g_neighborhood->getAirQuality(room);
+	else
+		airQuality = kAirQualityGood;
+
+	switch (neighborhood) {
+	case kMarsID:
+		if (airQuality == kAirQualityVacuum) {
+			if (room >= kMars35 && room <= kMars39) {
+				setItemState(kMapEngaged);
+				if (isSelected() && g_AIArea && g_AIArea->getMiddleAreaOwner() == kBiochipSignature)
+					_image.loadGearRoomIfNecessary();
+			} else {
+				setItemState(kMapEngaged);
+				if (isSelected() && g_AIArea && g_AIArea->getMiddleAreaOwner() == kBiochipSignature)
+					_image.loadMazeIfNecessary();
+			}
+
+			_image.moveToMapLocation(neighborhood, room, dir);
+		} else {
+			_image.unloadImage();
+			setItemState(kMapUnavailable);
+		}
+		break;
+	default:
+		_image.unloadImage();
+		setItemState(kMapUnavailable);
+		break;
+	}
+}
+
+} // End of namespace Pegasus
diff --git a/engines/pegasus/items/biochips/mapchip.h b/engines/pegasus/items/biochips/mapchip.h
new file mode 100755
index 0000000000..69bfabc200
--- /dev/null
+++ b/engines/pegasus/items/biochips/mapchip.h
@@ -0,0 +1,64 @@
+/* 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_ITEMS_BIOCHIPS_MAPCHIP_H
+#define PEGASUS_ITEMS_BIOCHIPS_MAPCHIP_H
+
+#include "pegasus/items/biochips/biochipitem.h"
+#include "pegasus/items/biochips/mapimage.h"
+
+namespace Common {
+	class ReadStream;
+	class WriteStream;
+}
+
+namespace Pegasus {
+
+class MapChip : public BiochipItem {
+public:
+	MapChip(const tItemID, const tNeighborhoodID, const tRoomID, const tDirectionConstant);
+	virtual ~MapChip();
+
+	void select();
+	void deselect();
+	void takeSharedArea();
+	void giveUpSharedArea();
+
+	void moveToMapLocation(const tNeighborhoodID, const tRoomID, const tDirectionConstant);
+
+	void writeToStream(Common::WriteStream *);
+	void readFromStream(Common::ReadStream *);
+
+	bool beenToMaze() { return _image.anyFlagSet(); }
+
+protected:
+	MapImage _image;
+};
+
+extern MapChip *g_map;
+
+} // End of namespace Pegasus
+
+#endif
diff --git a/engines/pegasus/items/biochips/mapimage.cpp b/engines/pegasus/items/biochips/mapimage.cpp
new file mode 100755
index 0000000000..c33bce3410
--- /dev/null
+++ b/engines/pegasus/items/biochips/mapimage.cpp
@@ -0,0 +1,302 @@
+/* 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/items/biochips/mapimage.h"
+
+namespace Pegasus {
+
+#define FLAG_TO_INDEX(flag) ((flag) >> 2)
+#define INDEX_TO_FLAG(index) ((index) << 2)
+
+#define ROOM_TO_INDEX(room) \
+	(((room) >= kMars35 && (room) <= kMars39) ? ((room) - kMars35) : \
+		(((room) == kMars60) ? (kMars39 - kMars35 + 1) : \
+			((room) - kMarsMaze004 + kMars39 - kMars35 + 2)))
+
+#define INDEX_TO_ROOM(index) \
+	(((index) <= ROOM_TO_INDEX(kMars39)) ? \
+	(((index) - ROOM_TO_INDEX(kMars35)) + kMars35) : \
+		((index) <= ROOM_TO_INDEX(kMars60,)) ? kMars60 : \
+			((((index) - ROOM_TO_INDEX(kMarsMaze004))) + kMarsMaze004))
+
+#define ROOM_TO_FLAG(room, dir) (INDEX_TO_FLAG(ROOM_TO_INDEX(room)) | (dir))
+
+#define FLAG_TO_ROOM(flag) (INDEX_TO_ROOM(FLAG_TO_INDEX(flag)))
+
+#define FLAG_TO_DIRECTION(flag) ((flag) & 3)
+
+static const long kGearRoomFlagLow = ROOM_TO_FLAG(kMars35, kNorth);
+static const long kGearRoomFlagHigh = ROOM_TO_FLAG(kMars39, kWest);
+
+static const long kMazeFlagLow = ROOM_TO_FLAG(kMars60, kNorth);
+static const long kMazeFlagHigh = ROOM_TO_FLAG(kMarsMaze200, kWest);
+
+static const tCoordType kGearRoomScreenOffsetX = 49;
+static const tCoordType kGearRoomScreenOffsetY = 47;
+
+static const tCoordType kGearRoomGridOriginX = 1;
+static const tCoordType kGearRoomGridOriginY = 4;
+
+static const tCoordType kMazeScreenOffsetX = 16;
+static const tCoordType kMazeScreenOffsetY = 20;
+
+static const tCoordType kMazeGridOriginX = 6;
+static const tCoordType kMazeGridOriginY = 1;
+
+static const tCoordType kGridWidth = 4;
+static const tCoordType kGridHeight = 4;
+
+static const int s_mapCoords[MapImage::kNumMappingRooms][2] = {
+	/* kMars35 */      { 0, 0 },
+	/* kMars36 */      { 1, 0 },
+	/* kMars37 */      { 2, 0 },
+	/* kMars38 */      { 3, 0 },
+	/* kMars39 */      { 4, 0 },
+	/* kMars60 */      { 19, 9 },
+	/* kMarsMaze004 */ { 18, 9 },
+	/* kMarsMaze005 */ { 18, 10 },
+	/* kMarsMaze006 */ { 17, 10 },
+	/* kMarsMaze007 */ { 16, 10 },
+	/* kMarsMaze008 */ { 15, 10 },
+	/* kMarsMaze009 */ { 14, 10 },
+	/* kMarsMaze010 */ { 14, 9 },
+	/* kMarsMaze011 */ { 14, 8 },
+	/* kMarsMaze012 */ { 14, 7 },
+	/* kMarsMaze015 */ { 16, 7 },
+	/* kMarsMaze016 */ { 14, 11 },
+	/* kMarsMaze017 */ { 14, 12 },
+	/* kMarsMaze018 */ { 15, 12 },
+	/* kMarsMaze019 */ { 16, 12 },
+	/* kMarsMaze020 */ { 16, 13 },
+	/* kMarsMaze021 */ { 16, 14 },
+	/* kMarsMaze022 */ { 16, 15 },
+	/* kMarsMaze023 */ { 17, 15 },
+	/* kMarsMaze024 */ { 18, 15 },
+	/* kMarsMaze025 */ { 18, 14 },
+	/* kMarsMaze026 */ { 18, 13 },
+	/* kMarsMaze027 */ { 18, 12 },
+	/* kMarsMaze028 */ { 18, 11 },
+	/* kMarsMaze031 */ { 19, 14 },
+	/* kMarsMaze032 */ { 20, 14 },
+	/* kMarsMaze033 */ { 20, 13 },
+	/* kMarsMaze034 */ { 20, 12 },
+	/* kMarsMaze035 */ { 20, 11 },
+	/* kMarsMaze036 */ { 21, 11 },
+	/* kMarsMaze037 */ { 15, 15 },
+	/* kMarsMaze038 */ { 14, 15 },
+	/* kMarsMaze039 */ { 13, 15 },
+	/* kMarsMaze042 */ { 10, 15 },
+	/* kMarsMaze043 */ { 9, 15 },
+	/* kMarsMaze044 */ { 8, 15 },
+	/* kMarsMaze045 */ { 7, 15 },
+	/* kMarsMaze046 */ { 6, 15 },
+	/* kMarsMaze047 */ { 5, 15 },
+	/* kMarsMaze049 */ { 13, 14 },
+	/* kMarsMaze050 */ { 12, 14 },
+	/* kMarsMaze051 */ { 11, 14 },
+	/* kMarsMaze052 */ { 10, 14 },
+	/* kMarsMaze053 */ { 10, 13 },
+	/* kMarsMaze054 */ { 9, 13 },
+	/* kMarsMaze055 */ { 8, 13 },
+	/* kMarsMaze056 */ { 8, 12 },
+	/* kMarsMaze057 */ { 7, 12 },
+	/* kMarsMaze058 */ { 12, 13 },
+	/* kMarsMaze059 */ { 12, 12 },
+	/* kMarsMaze060 */ { 12, 11 },
+	/* kMarsMaze061 */ { 12, 10 },
+	/* kMarsMaze063 */ { 12, 9 },
+	/* kMarsMaze064 */ { 12, 8 },
+	/* kMarsMaze065 */ { 12, 7 },
+	/* kMarsMaze066 */ { 13, 7 },
+	/* kMarsMaze067 */ { 15, 7 },
+	/* kMarsMaze068 */ { 17, 7 },
+	/* kMarsMaze069 */ { 18, 7 },
+	/* kMarsMaze070 */ { 19, 7 },
+	/* kMarsMaze071 */ { 20, 7 },
+	/* kMarsMaze072 */ { 20, 6 },
+	/* kMarsMaze074 */ { 20, 5 },
+	/* kMarsMaze076 */ { 20, 4 },
+	/* kMarsMaze078 */ { 20, 3 },
+	/* kMarsMaze079 */ { 20, 2 },
+	/* kMarsMaze081 */ { 20, 2 },
+	/* kMarsMaze083 */ { 20, 0 },
+	/* kMarsMaze084 */ { 19, 0 },
+	/* kMarsMaze085 */ { 18, 0 },
+	/* kMarsMaze086 */ { 17, 0 },
+	/* kMarsMaze087 */ { 16, 0 },
+	/* kMarsMaze088 */ { 15, 0 },
+	/* kMarsMaze089 */ { 14, 0 },
+	/* kMarsMaze090 */ { 13, 0 },
+	/* kMarsMaze091 */ { 12, 0 },
+	/* kMarsMaze092 */ { 11, 0 },
+	/* kMarsMaze093 */ { 10, 0 },
+	/* kMarsMaze098 */ { 10, 1 },
+	/* kMarsMaze099 */ { 8, 2 },
+	/* kMarsMaze100 */ { 9, 2 },
+	/* kMarsMaze101 */ { 10, 2 },
+	/* kMarsMaze104 */ { 13, 2 },
+	/* kMarsMaze105 */ { 13, 3 },
+	/* kMarsMaze106 */ { 13, 4 },
+	/* kMarsMaze107 */ { 13, 5 },
+	/* kMarsMaze108 */ { 14, 5 },
+	/* kMarsMaze111 */ { 15, 5 },
+	/* kMarsMaze113 */ { 16, 5 },
+	/* kMarsMaze114 */ { 17, 5 },
+	/* kMarsMaze115 */ { 18, 5 },
+	/* kMarsMaze116 */ { 18, 4 },
+	/* kMarsMaze117 */ { 18, 3 },
+	/* kMarsMaze118 */ { 19, 3 },
+	/* kMarsMaze119 */ { 18, 2 },
+	/* kMarsMaze120 */ { 17, 2 },
+	/* kMarsMaze121 */ { 16, 2 },
+	/* kMarsMaze122 */ { 15, 2 },
+	/* kMarsMaze123 */ { 15, 1 },
+	/* kMarsMaze124 */ { 12, 4 },
+	/* kMarsMaze125 */ { 11, 4 },
+	/* kMarsMaze126 */ { 10, 4 },
+	/* kMarsMaze127 */ { 10, 5 },
+	/* kMarsMaze128 */ { 10, 6 },
+	/* kMarsMaze129 */ { 9, 6 },
+	/* kMarsMaze130 */ { 8, 6 },
+	/* kMarsMaze131 */ { 7, 6 },
+	/* kMarsMaze132 */ { 7, 7 },
+	/* kMarsMaze133 */ { 7, 8 },
+	/* kMarsMaze136 */ { 7, 11 },
+	/* kMarsMaze137 */ { 6, 11 },
+	/* kMarsMaze138 */ { 5, 11 },
+	/* kMarsMaze139 */ { 5, 12 },
+	/* kMarsMaze140 */ { 4, 12 },
+	/* kMarsMaze141 */ { 5, 13 },
+	/* kMarsMaze142 */ { 5, 14 },
+	/* kMarsMaze143 */ { 4, 14 },
+	/* kMarsMaze144 */ { 3, 14 },
+	/* kMarsMaze145 */ { 3, 13 },
+	/* kMarsMaze146 */ { 2, 13 },
+	/* kMarsMaze147 */ { 1, 13 },
+	/* kMarsMaze148 */ { 1, 14 },
+	/* kMarsMaze149 */ { 1, 15 },
+	/* kMarsMaze152 */ { 1, 12 },
+	/* kMarsMaze153 */ { 1, 11 },
+	/* kMarsMaze154 */ { 1, 10 },
+	/* kMarsMaze155 */ { 1, 9 },
+	/* kMarsMaze156 */ { 1, 8 },
+	/* kMarsMaze157 */ { 2, 10 },
+	/* kMarsMaze159 */ { 2, 8 },
+	/* kMarsMaze160 */ { 2, 7 },
+	/* kMarsMaze161 */ { 2, 6 },
+	/* kMarsMaze162 */ { 3, 10 },
+	/* kMarsMaze163 */ { 3, 9 },
+	/* kMarsMaze164 */ { 3, 8 },
+	/* kMarsMaze165 */ { 4, 8 },
+	/* kMarsMaze166 */ { 5, 8 },
+	/* kMarsMaze167 */ { 6, 8 },
+	/* kMarsMaze168 */ { 3, 6 },
+	/* kMarsMaze169 */ { 4, 6 },
+	/* kMarsMaze170 */ { 5, 6 },
+	/* kMarsMaze171 */ { 5, 5 },
+	/* kMarsMaze172 */ { 5, 4 },
+	/* kMarsMaze173 */ { 4, 4 },
+	/* kMarsMaze174 */ { 3, 4 },
+	/* kMarsMaze175 */ { 3, 5 },
+	/* kMarsMaze177 */ { 8, 4 },
+	/* kMarsMaze178 */ { 8, 3 },
+	/* kMarsMaze179 */ { 7, 4 },
+	/* kMarsMaze180 */ { 6, 4 },
+	/* kMarsMaze181 */ { 6, 3 },
+	/* kMarsMaze182 */ { 6, 2 },
+	/* kMarsMaze183 */ { 6, 1 },
+	/* kMarsMaze184 */ { 6, 0 },
+	/* kMarsMaze187 */ { 3, 0 },
+	/* kMarsMaze188 */ { 2, 0 },
+	/* kMarsMaze189 */ { 1, 0 },
+	/* kMarsMaze190 */ { 1, 1 },
+	/* kMarsMaze191 */ { 1, 2 },
+	/* kMarsMaze192 */ { 5, 2 },
+	/* kMarsMaze193 */ { 4, 2 },
+	/* kMarsMaze194 */ { 3, 2 },
+	/* kMarsMaze195 */ { 3, 1 },
+	/* kMarsMaze198 */ { 1, 3 },
+	/* kMarsMaze199 */ { 1, 4 },
+	/* kMarsMaze200 */ { 0, 4 }
+};
+
+MapImage::MapImage() : DisplayElement(kNoDisplayElement) {
+	_whichArea = kMapNoArea;
+	setBounds(kAIMiddleAreaLeft, kAIMiddleAreaTop, kAIMiddleAreaLeft + kAIMiddleAreaWidth, kAIMiddleAreaTop + kAIMiddleAreaHeight);
+	setDisplayOrder(kAIMiddleAreaOrder + 10);
+	startDisplaying();
+
+	_darkGreen = g_system->getScreenFormat().RGBToColor(64, 150, 10);
+	_lightGreen = g_system->getScreenFormat().RGBToColor(102, 239, 0);
+}
+
+void MapImage::writeToStream(Common::WriteStream *stream) {
+	_mappedRooms.writeToStream(stream);
+}
+
+void MapImage::readFromStream(Common::ReadStream *stream) {
+	_mappedRooms.readFromStream(stream);
+}
+
+void MapImage::loadGearRoomIfNecessary() {
+	// TODO
+}
+
+void MapImage::loadMazeIfNecessary() {
+	// TODO
+}
+
+void MapImage::unloadImage() {
+	// TODO: Unload surfaces
+	hide();
+	_whichArea = kMapNoArea;
+}
+
+void MapImage::moveToMapLocation(const tNeighborhoodID, const tRoomID room, const tDirectionConstant dir) {
+	// TODO
+
+	if (isDisplaying())
+		triggerRedraw();
+}
+
+void MapImage::addFlagToMask(const int flag) {
+	// TODO
+}
+
+// This function can even be sensitive to open doors.
+void MapImage::getRevealedRects(const uint32 flag, Common::Rect &r1) {	
+	// TODO
+}
+
+void MapImage::drawPlayer() {
+	// TODO
+}
+
+void MapImage::draw(const Common::Rect &) {
+	// TODO
+	drawPlayer();
+}
+
+} // End of namespace Pegasus
diff --git a/engines/pegasus/items/biochips/mapimage.h b/engines/pegasus/items/biochips/mapimage.h
new file mode 100755
index 0000000000..5532aed8d2
--- /dev/null
+++ b/engines/pegasus/items/biochips/mapimage.h
@@ -0,0 +1,80 @@
+/* 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_ITEMS_BIOCHIPS_MAPIMAGE_H
+#define PEGASUS_ITEMS_BIOCHIPS_MAPIMAGE_H
+
+#include "pegasus/elements.h"
+#include "pegasus/util.h"
+
+namespace Common {
+	class ReadStream;
+	class WriteStream;
+}
+
+namespace Pegasus {
+
+class MapImage : public DisplayElement {
+public:
+	MapImage();
+	virtual ~MapImage() {}
+
+	void writeToStream(Common::WriteStream *);
+	void readFromStream(Common::ReadStream *);
+
+	void loadGearRoomIfNecessary();
+	void loadMazeIfNecessary();
+	void unloadImage();
+	void moveToMapLocation(const tNeighborhoodID, const tRoomID, const tDirectionConstant);
+	
+	void draw(const Common::Rect &);
+	
+	bool anyFlagSet() { return _mappedRooms.anyFlagSet(); }
+
+	static const uint32 kNumMappingRooms = (kMars39 - kMars35 + 1) + (kMars60 - kMars60 + 1) +
+			(kMarsMaze200 - kMarsMaze004 + 1);
+	static const uint32 kNumMappingFlags = kNumMappingRooms * 4;
+
+protected:
+	enum tMapArea {
+		kMapNoArea,
+		kMapMaze,
+		kMapGearRoom
+	};
+
+	void addFlagToMask(const int flag);
+	void getRevealedRects(const uint32, Common::Rect &);
+	void drawPlayer();
+
+	tMapArea _whichArea;
+
+	FlagsArray<byte, kNumMappingFlags> _mappedRooms;
+
+	uint32 _darkGreen, _lightGreen;
+};
+
+} // End of namespace Pegasus
+
+#endif
diff --git a/engines/pegasus/module.mk b/engines/pegasus/module.mk
index 9f1265cd01..260fba2ca3 100644
--- a/engines/pegasus/module.mk
+++ b/engines/pegasus/module.mk
@@ -34,6 +34,8 @@ MODULE_OBJS = \
 	items/itemlist.o \
 	items/biochips/aichip.o \
 	items/biochips/biochipitem.o \
+	items/biochips/mapchip.o \
+	items/biochips/mapimage.o \
 	items/biochips/opticalchip.o \
 	items/biochips/pegasuschip.o \
 	items/biochips/retscanchip.o \
diff --git a/engines/pegasus/neighborhood/neighborhood.cpp b/engines/pegasus/neighborhood/neighborhood.cpp
index 0c02030dfa..f6da38692b 100644
--- a/engines/pegasus/neighborhood/neighborhood.cpp
+++ b/engines/pegasus/neighborhood/neighborhood.cpp
@@ -35,6 +35,7 @@
 #include "pegasus/interface.h"
 #include "pegasus/pegasus.h"
 #include "pegasus/ai/ai_area.h"
+#include "pegasus/items/biochips/mapchip.h"
 #include "pegasus/neighborhood/neighborhood.h"
 #include "pegasus/neighborhood/tsa/fulltsa.h"
 #include "pegasus/neighborhood/tsa/tinytsa.h"
@@ -208,7 +209,8 @@ void Neighborhood::receiveNotification(Notification *, const tNotificationFlags
 }
 
 void Neighborhood::arriveAt(tRoomID room, tDirectionConstant direction) {
-	// TODO: Map
+	if (g_map)
+		g_map->moveToMapLocation(GameState.getCurrentNeighborhood(), room, direction);
 
 	GameState.setCurrentNeighborhood(getObjectID());
 
@@ -565,7 +567,9 @@ bool Neighborhood::stillMoveForward() {
 void Neighborhood::keepStriding(ExitTable::Entry &nextExitEntry) {
 	FaderMoveSpec compassMove;
 
-	// TODO: Map
+	if (g_map)
+		g_map->moveToMapLocation(GameState.getCurrentNeighborhood(), GameState.getNextRoom(), GameState.getNextDirection());
+
 	if (g_compass)
 		getExitCompassMove(nextExitEntry, compassMove);
 
@@ -719,7 +723,8 @@ void Neighborhood::cantOpenDoor(tCanOpenDoorReason) {
 }
 
 void Neighborhood::turnTo(const tDirectionConstant direction) {
-	// TODO: Map
+	if (g_map)
+		g_map->moveToMapLocation(GameState.getCurrentNeighborhood(), GameState.getCurrentRoom(), direction);
 
 	_pushIn.copyToCurrentPort();
 	
@@ -779,7 +784,8 @@ void Neighborhood::doorOpened() {
 
 	loadAmbientLoops();
 
-	// TODO: Map
+	if (g_map)
+		g_map->moveToMapLocation(GameState.getCurrentNeighborhood(), GameState.getNextRoom(), GameState.getNextDirection());
 
 	if (g_AIArea)
 		g_AIArea->checkMiddleArea();
diff --git a/engines/pegasus/pegasus.cpp b/engines/pegasus/pegasus.cpp
index e68861e63e..a53f376664 100644
--- a/engines/pegasus/pegasus.cpp
+++ b/engines/pegasus/pegasus.cpp
@@ -50,6 +50,7 @@
 #include "pegasus/items/itemlist.h"
 #include "pegasus/items/biochips/aichip.h"
 #include "pegasus/items/biochips/biochipitem.h"
+#include "pegasus/items/biochips/mapchip.h"
 #include "pegasus/items/biochips/opticalchip.h"
 #include "pegasus/items/biochips/pegasuschip.h"
 #include "pegasus/items/biochips/retscanchip.h"
@@ -228,8 +229,7 @@ void PegasusEngine::createItem(tItemID itemID, tNeighborhoodID neighborhoodID, t
 		new OpticalChip(itemID, neighborhoodID, roomID, direction);
 		break;
 	case kMapBiochip:
-		// TODO: Implement this biochip
-		new BiochipItem(itemID, neighborhoodID, roomID, direction);
+		new MapChip(itemID, neighborhoodID, roomID, direction);
 		break;
 	case kRetinalScanBiochip:
 		new RetScanChip(itemID, neighborhoodID, roomID, direction);