airmask.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef PEGASUS_ITEMS_INVENTORY_AIRMASK_H
#define PEGASUS_ITEMS_INVENTORY_AIRMASK_H
 
#include "pegasus/hotspot.h"
#include "pegasus/timers.h"
#include "pegasus/items/inventory/inventoryitem.h"
 
namespace Pegasus {
 
class AirMask : public InventoryItem, private Idler {
public:
    AirMask(const ItemID, const NeighborhoodID, const RoomID, const DirectionConstant);
    ~AirMask() override;
 
    void writeToStream(Common::WriteStream *) override;
    void readFromStream(Common::ReadStream *) override;
 
    void setItemState(const ItemState) override;
    void putMaskOn();
    void takeMaskOff();
    void toggleItemState() override;
    void airQualityChanged();
 
    bool isAirMaskInUse();
    bool isAirMaskOn();
    bool isAirFilterOn();
 
    void refillAirMask();
 
    // Returns a percentage
    uint getAirLeft();
 
    void activateAirMaskHotspots();
    void clickInAirMaskHotspot();
 
protected:
    void airMaskTimerExpired();
 
    void removedFromInventory() override;
    void addedToInventory() override;
    void useIdleTime() override;
 
    Hotspot _toggleSpot;
    FuseFunction _oxygenTimer;
};
 
extern AirMask *g_airMask;
 
} // End of namespace Pegasus
 
#endif