116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* Additional copyright for this file:
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* Copyright (C) 1995-1997 Presto Studios, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "pegasus/neighborhood/mars/constants.h"
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#include "pegasus/neighborhood/mars/shuttleenergymeter.h"
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namespace Pegasus {
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ShuttleEnergyMeter::ShuttleEnergyMeter() : FaderAnimation(kNoDisplayElement) {
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setBounds(kShuttleEnergyLeft, kShuttleEnergyTop, kShuttleEnergyLeft + kShuttleEnergyWidth,
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kShuttleEnergyTop + kShuttleEnergyHeight);
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setDisplayOrder(kShuttleStatusOrder);
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setFaderValue(0);
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}
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void ShuttleEnergyMeter::initShuttleEnergyMeter() {
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_meterImage.getImageFromPICTFile("Images/Mars/Shuttle Energy.pict");
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_lowWarning.getImageFromPICTFile("Images/Mars/Shuttle Low Energy.pict");
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startDisplaying();
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show();
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}
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void ShuttleEnergyMeter::disposeShuttleEnergyMeter() {
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stopFader();
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hide();
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stopDisplaying();
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_meterImage.deallocateSurface();
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_lowWarning.deallocateSurface();
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}
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void ShuttleEnergyMeter::draw(const Common::Rect &) {
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int32 currentValue = getFaderValue();
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Common::Rect r1, r2, bounds;
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getBounds(bounds);
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if (currentValue < kLowShuttleEnergy) {
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_lowWarning.getSurfaceBounds(r1);
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r2 = r1;
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r2.moveTo(bounds.left, bounds.top);
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_lowWarning.copyToCurrentPort(r1, r2);
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}
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_meterImage.getSurfaceBounds(r1);
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r1.right = r1.left + r1.width() * currentValue / kFullShuttleEnergy;
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r2 = r1;
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r2.moveTo(bounds.left + 102, bounds.top + 6);
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_meterImage.copyToCurrentPort(r1, r2);
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}
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void ShuttleEnergyMeter::powerUpMeter() {
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FaderMoveSpec moveSpec;
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moveSpec.makeTwoKnotFaderSpec(kThirtyTicksPerSecond, 0, 0, 45, kFullShuttleEnergy);
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startFader(moveSpec);
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}
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void ShuttleEnergyMeter::setEnergyValue(const int32 value) {
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stopFader();
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FaderMoveSpec moveSpec;
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moveSpec.makeTwoKnotFaderSpec(kFifteenTicksPerSecond, value * 3, value, kFullShuttleEnergy * 3, kFullShuttleEnergy);
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startFader(moveSpec);
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}
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void ShuttleEnergyMeter::drainForTractorBeam() {
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stopFader();
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TimeValue startTime = 0, stopTime;
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int32 startValue = getFaderValue(), stopValue;
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if (startValue < kTractorBeamEnergy) {
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stopTime = startValue * kTractorBeamTime / kTractorBeamEnergy;
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stopValue = 0;
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} else {
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stopTime = kTractorBeamTime;
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stopValue = startValue - kTractorBeamEnergy;
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}
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FaderMoveSpec moveSpec;
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moveSpec.makeTwoKnotFaderSpec(kTractorBeamScale, startTime, startValue, stopTime, stopValue);
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startFader(moveSpec);
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}
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int32 ShuttleEnergyMeter::getEnergyValue() const {
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return getFaderValue();
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}
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void ShuttleEnergyMeter::dropEnergyValue(const int32 delta) {
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setEnergyValue(getFaderValue() - delta);
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}
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bool ShuttleEnergyMeter::enoughEnergyForTractorBeam() const {
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return getEnergyValue() >= kTractorBeamEnergy;
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}
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} // End of namespace Pegasus
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