energymonitor.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_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