////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2011, 2025
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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.
////////////////////////////////////////////////////////////////////////////////

#include <graph/Main2DCamera.hpp>
#include <client/ScorchedClient.hpp>
#include <graph/OptionsDisplay.hpp>
#include <engine/MainLoop.hpp>
#include <GLEXT/GLState.hpp>

Main2DCamera *Main2DCamera::instance_ = nullptr;

Main2DCamera *Main2DCamera::instance()
{
	if (nullptr == instance_)
	{
		instance_ = new Main2DCamera();
	}
	return instance_;
}

Main2DCamera::Main2DCamera() :
	GameStateI("Main2DCamera"),
	hide_(false)
{}

Main2DCamera::~Main2DCamera()
{}

void Main2DCamera::draw(const unsigned state)
{
	glClearDepth(1.0f);
	glClear(GL_DEPTH_BUFFER_BIT);

	if (!hide_)
	{
		viewPort_.draw();
	}
	else
	{
		glMatrixMode(GL_PROJECTION);
		glLoadIdentity();
		glViewport(0, 0, 0, 0);
		glMatrixMode(GL_MODELVIEW);
		glLoadIdentity();
	}
}
