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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef TETRAEDGE_TE_TE_CURVE_ANIM2_H
#define TETRAEDGE_TE_TE_CURVE_ANIM2_H
#include "tetraedge/te/te_animation.h"
#include "tetraedge/te/te_interpolation.h"
namespace Tetraedge {
template<class T> static T linearInterpolation(T &obj1, T &obj2, double amount) {
amount = CLIP<double>(amount, 0.0, 1.0);
return (obj1 * (1.0 - amount)) + (obj2 * amount);
}
template<class T, class S>
class TeCurveAnim2 : public TeAnimation {
public:
typedef void(T::*TMethod)(const S &);
TeCurveAnim2() {}
virtual ~TeCurveAnim2() {}
void setCurve(const Common::Array<float> &curve) {
// The original writes the curve to a stream to load it back in in
// the interpolation.. we just skip that with a direct array copy.
_interp.load(curve);
}
void update(double millis) {
_lastUpdateTime = millis;
double amount = _interp.interpole(millis, _duration);
const S interpVal = linearInterpolation<S>(_startVal, _endVal, amount);
//debug("CurveAnim %.02f/%.02f (%.02f) -> %s", time, _maxTime, amount, interpVal.toString().c_str());
(_callbackObj->*_callbackMethod)(interpVal);
if (_lastUpdateTime >= _duration) {
if (_repeatCount == -1) {
seekToStart();
} else {
stop();
onFinished().call();
}
}
}
S _startVal;
S _endVal;
T *_callbackObj;
TMethod _callbackMethod;
double _duration;
private:
TeInterpolation _interp;
double _lastUpdateTime;
};
} // end namespace Tetraedge
#endif // TETRAEDGE_TE_TE_CURVE_ANIM2_H
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