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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/neighborhood/mars/constants.h"
#include "pegasus/neighborhood/mars/shuttleenergymeter.h"
namespace Pegasus {
ShuttleEnergyMeter::ShuttleEnergyMeter() : FaderAnimation(kNoDisplayElement) {
setBounds(kShuttleEnergyLeft, kShuttleEnergyTop, kShuttleEnergyLeft + kShuttleEnergyWidth,
kShuttleEnergyTop + kShuttleEnergyHeight);
setDisplayOrder(kShuttleStatusOrder);
setFaderValue(0);
}
void ShuttleEnergyMeter::initShuttleEnergyMeter() {
_meterImage.getImageFromPICTFile("Images/Mars/Shuttle Energy.pict");
_lowWarning.getImageFromPICTFile("Images/Mars/Shuttle Low Energy.pict");
startDisplaying();
show();
}
void ShuttleEnergyMeter::disposeShuttleEnergyMeter() {
stopFader();
hide();
stopDisplaying();
_meterImage.deallocateSurface();
_lowWarning.deallocateSurface();
}
void ShuttleEnergyMeter::draw(const Common::Rect &) {
int32 currentValue = getFaderValue();
Common::Rect r1, r2, bounds;
getBounds(bounds);
if (currentValue < kLowShuttleEnergy) {
_lowWarning.getSurfaceBounds(r1);
r2 = r1;
r2.moveTo(bounds.left, bounds.top);
_lowWarning.copyToCurrentPort(r1, r2);
}
_meterImage.getSurfaceBounds(r1);
r1.right = r1.left + r1.width() * currentValue / kFullShuttleEnergy;
r2 = r1;
r2.moveTo(bounds.left + 102, bounds.top + 6);
_meterImage.copyToCurrentPort(r1, r2);
}
void ShuttleEnergyMeter::powerUpMeter() {
FaderMoveSpec moveSpec;
moveSpec.makeTwoKnotFaderSpec(kThirtyTicksPerSecond, 0, 0, 45, kFullShuttleEnergy);
startFader(moveSpec);
}
void ShuttleEnergyMeter::setEnergyValue(const int32 value) {
stopFader();
FaderMoveSpec moveSpec;
moveSpec.makeTwoKnotFaderSpec(kFifteenTicksPerSecond, value * 3, value, kFullShuttleEnergy * 3, kFullShuttleEnergy);
startFader(moveSpec);
}
void ShuttleEnergyMeter::drainForTractorBeam() {
stopFader();
TimeValue startTime = 0, stopTime;
int32 startValue = getFaderValue(), stopValue;
if (startValue < kTractorBeamEnergy) {
stopTime = startValue * kTractorBeamTime / kTractorBeamEnergy;
stopValue = 0;
} else {
stopTime = kTractorBeamTime;
stopValue = startValue - kTractorBeamEnergy;
}
FaderMoveSpec moveSpec;
moveSpec.makeTwoKnotFaderSpec(kTractorBeamScale, startTime, startValue, stopTime, stopValue);
startFader(moveSpec);
}
int32 ShuttleEnergyMeter::getEnergyValue() const {
return getFaderValue();
}
void ShuttleEnergyMeter::dropEnergyValue(const int32 delta) {
setEnergyValue(getFaderValue() - delta);
}
bool ShuttleEnergyMeter::enoughEnergyForTractorBeam() const {
return getEnergyValue() >= kTractorBeamEnergy;
}
} // End of namespace Pegasus
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