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engines/pegasus/items/inventory/airmask.h

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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 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