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https://github.com/libretro/scummvm.git
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83 lines
2.1 KiB
C++
83 lines
2.1 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "pegasus/compass.h"
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namespace Pegasus {
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Compass *g_compass = 0;
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Compass::Compass() : FaderAnimation(kCompassID) {
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// Initialize it to east...
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setFaderValue(90);
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g_compass = this;
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}
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Compass::~Compass() {
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g_compass = 0;
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}
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void Compass::initCompass() {
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if (!isCompassValid()) {
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Common::Rect r;
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_compassImage.initFromPICTFile("Images/Compass/Compass");
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_compassImage.getSurfaceBounds(r);
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r.right = kCompassWidth;
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setBounds(r);
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}
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}
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void Compass::deallocateCompass() {
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_compassImage.deallocateSurface();
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}
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void Compass::setFaderValue(const int32 angle) {
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int16 a = angle % 360;
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if (a < 0)
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a += 360;
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FaderAnimation::setFaderValue(a);
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}
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void Compass::draw(const Common::Rect &r1) {
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if (_compassImage.isSurfaceValid()) {
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Common::Rect bounds;
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getBounds(bounds);
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Common::Rect r2;
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_compassImage.getSurfaceBounds(r2);
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CoordType width = r2.width();
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CoordType offsetH = width / 10 - bounds.width() / 2 + (getFaderValue() * width) / 450 - bounds.left;
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CoordType offsetV = -bounds.top;
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r2 = r1;
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r2.translate(offsetH, offsetV);
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_compassImage.drawImage(r2, r1);
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}
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}
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} // End of namespace Pegasus
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