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/* 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 ItemID id, const NeighborhoodID neighborhood, const RoomID room, const DirectionConstant 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 NeighborhoodID neighborhood, const RoomID room, const DirectionConstant dir) {
AirQuality 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
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