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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/compass.h"
namespace Pegasus {
Compass *g_compass = 0;
Compass::Compass() : FaderAnimation(kCompassID) {
// Initialize it to east...
setFaderValue(90);
g_compass = this;
}
Compass::~Compass() {
g_compass = 0;
}
void Compass::initCompass() {
if (!isCompassValid()) {
Common::Rect r;
_compassImage.initFromPICTFile("Images/Compass/Compass");
_compassImage.getSurfaceBounds(r);
r.right = kCompassWidth;
setBounds(r);
}
}
void Compass::deallocateCompass() {
_compassImage.deallocateSurface();
}
void Compass::setFaderValue(const int32 angle) {
int16 a = angle % 360;
if (a < 0)
a += 360;
FaderAnimation::setFaderValue(a);
}
void Compass::draw(const Common::Rect &r1) {
if (_compassImage.isSurfaceValid()) {
Common::Rect bounds;
getBounds(bounds);
Common::Rect r2;
_compassImage.getSurfaceBounds(r2);
tCoordType width = r2.width();
tCoordType offsetH = width / 10 - bounds.width() / 2 + (getFaderValue() * width) / 450 - bounds.left;
tCoordType offsetV = -bounds.top;
r2 = r1;
r2.translate(offsetH, offsetV);
_compassImage.drawImage(r2, r1);
}
}
} // End of namespace Pegasus
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