/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2017 numzero, Lobachevskiy Vitaliy <numzer0@yandex.ru>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser 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.
*/

#pragma once
#include "core.h"
#include "plain.h"
#include "pipeline.h"


/**
 * Offset camera for a specific eye in stereo rendering mode
 */
class OffsetCameraStep : public TrivialRenderStep
{
public:
	OffsetCameraStep(float eye_offset);
	OffsetCameraStep(bool right_eye);

	void run(PipelineContext &context) override;
	void reset(PipelineContext &context) override;
private:
	core::matrix4 base_transform;
	core::matrix4 move;
};