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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.
*
* 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.
*
*/
#ifndef CRYOMNI3D_OMNI3D_H
#define CRYOMNI3D_OMNI3D_H
#include "graphics/surface.h"
namespace CryOmni3D {
class Omni3DManager {
public:
Omni3DManager() {}
virtual ~Omni3DManager();
void init(double hfov);
void setSourceSurface(const Graphics::Surface *surface) { _sourceSurface = surface; _dirty = true; }
void clearConstraints();
void setAlphaConstraints(double alphaMin, double alphaMax) { _alphaMin = alphaMin; _alphaMax = alphaMax; }
void setBetaMinConstraint(double betaMin) { _betaMin = betaMin; }
void setBetaMaxConstraint(double betaMax) { _betaMax = betaMax; }
void setAlpha(double alpha) { _alpha = alpha; _dirtyCoords = true; }
void setBeta(double beta) { _beta = beta; _dirtyCoords = true; }
void updateCoords(int xDelta, int yDelta, bool useOldSpeed);
double getAlpha() const { return _alpha; }
double getBeta() const { return _beta; }
Common::Point mapMouseCoords(const Common::Point &mouse);
bool hasSpeed() { return _xSpeed != 0. || _ySpeed != 0.; }
bool needsUpdate() { return _dirty || _dirtyCoords; }
const Graphics::Surface *getSurface();
private:
void updateImageCoords();
double _vfov;
double _alpha, _beta;
double _xSpeed, _ySpeed;
double _alphaMin, _alphaMax;
double _betaMin, _betaMax;
int _imageCoords[2544];
double _squaresCoords[31][21];
double _hypothenusesH[31];
double _anglesH[31];
double _oppositeV[21];
double _helperValue;
bool _dirty;
bool _dirtyCoords;
const Graphics::Surface *_sourceSurface;
Graphics::Surface _surface;
};
} // End of namespace CryOmni3D
#endif
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