cosinetables.h

/* 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 COMMON_COSINETABLES_H
#define COMMON_COSINETABLES_H

namespace Common {

class CosineTable {
public:
    CosineTable(int nPoints);
    ~CosineTable();

    const float *getTable() { return _tableEOS; }

    float at(int index) const;

    float atLegacy(int index) const;

private:
    float *_tableEOS;
    float *_table;
    double _radResolution; // Smallest radian increment
    int _refSize; // _nPoints / 4
    int _nPoints; // range of operator[]
};

} // End of namespace Common

#endif // COMMON_COSINETABLES_H