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engines/pegasus/energymonitor.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_ENERGYMONITOR_H
+#define PEGASUS_ENERGYMONITOR_H
+
+#include "pegasus/elements.h"
+
+namespace Pegasus {
+
+class Sprite;
+
+class Blinker : private IdlerTimeBase {
+public:
+	Blinker();
+	~Blinker() override {}
+
+	void startBlinking(Sprite *sprite, int32 frame1, int32 frame2, uint32 numBlinks, TimeValue blinkDuration, TimeScale blinkScale);
+	void stopBlinking();
+
+protected:
+	void timeChanged(const TimeValue) override;
+
+	Sprite *_sprite;
+	int32 _frame1;
+	int32 _frame2;
+	TimeValue _blinkDuration;
+};
+
+// Energy monitor constants.
+
+// These are in seconds.
+// Max is two hours
+static const uint32 kMaxJMPEnergy = 7200;
+
+static const uint32 kCasualEnergy = kMaxJMPEnergy * 100 / 100;      // 100%
+static const uint32 kWorriedEnergy = kMaxJMPEnergy * 50 / 100;      // 50%
+static const uint32 kNervousEnergy = kMaxJMPEnergy * 25 / 100;      // 25%
+static const uint32 kPanicStrickenEnergy = kMaxJMPEnergy * 5 / 100; // 5%
+
+static const uint32 kFullEnergy = kCasualEnergy;
+
+static const uint32 kFrameLightOff = 0;
+static const uint32 kFrameLightYellow = 1;
+static const uint32 kFrameLightOrange = 2;
+static const uint32 kFrameLightRed = 3;
+
+static const int kEnergyDrainNormal = 1;
+static const int kMarsReactorEnergyDrainNoShield = 6;
+static const int kMarsReactorEnergyDrainWithShield = 3;
+static const int kWSCPoisonEnergyDrainWithDart = 20;
+static const int kWSCPoisonEnergyDrainNoDart = 10;
+
+class EnergyMonitor : private IdlerAnimation {
+public:
+	EnergyMonitor();
+	~EnergyMonitor() override;
+
+	void setEnergyValue(const uint32);
+	void startEnergyDraining();
+	void setEnergyDrainRate(Common::Rational);
+	Common::Rational getEnergyDrainRate();
+	void stopEnergyDraining();
+	void drainEnergy(const int32);
+	int32 getCurrentEnergy();
+
+	void restoreLastEnergyValue();
+	void saveCurrentEnergyValue();
+
+	void calibrateEnergyBar();
+
+protected:
+	void timeChanged(const TimeValue) override;
+	void calcLevelRect(Common::Rect &);
+	void draw(const Common::Rect &) override;
+
+	uint32 _barColor;
+	Common::Rect _levelRect;
+	EnergyStage _stage;
+	Sprite _energyLight;
+	Blinker _lightBlinker;
+	bool _calibrating, _dontFlash;
+};
+
+extern EnergyMonitor *g_energyMonitor;
+
+} // End of namespace Pegasus
+
+#endif