view.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 BLADERUNNER_VIEW_H
#define BLADERUNNER_VIEW_H

#include "matrix.h"

namespace Common {
class ReadStream;
}

namespace BladeRunner {

class View {
public:
    float     _fovX;
    Matrix4x3 _frameViewMatrix;
    Matrix4x3 _sliceViewMatrix;
    uint32    _frame;

    Vector3   _cameraPosition;
    Vector3   _viewportPosition;

    bool readVqa(Common::ReadStream *stream);
    Vector3 calculateScreenPosition(Vector3 worldPosition);

private:
    void setFovX(float fovX);
    void calculateSliceViewMatrix();
    void calculateCameraPosition();
};

} // End of namespace BladeRunner

#endif