//////////////////////////////////////////////////////////////////////////////
// This file is part of the Journey MMORPG client                           //
// Copyright © 2015-2016 Daniel Allendorf                                   //
//                                                                          //
// This program is free software: you can redistribute it and/or modify     //
// it under the terms of the GNU Affero 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 Affero General Public License for more details.                      //
//                                                                          //
// You should have received a copy of the GNU Affero General Public License //
// along with this program.  If not, see <http://www.gnu.org/licenses/>.    //
//////////////////////////////////////////////////////////////////////////////
#include "ScrollingNotice.h"

#include "../../Constants.h"

namespace jrc
{
    ScrollingNotice::ScrollingNotice()
    {
        background = ColorBox(Constants::viewwidth(), HEIGHT, ColorBox::BLACK, 0.6f);
        backposition = Point<int16_t>(0, -Constants::VIEWYOFFSET);
        notice = Text(Text::A12M, Text::LEFT, Text::YELLOW);
        xpos.set(0.0);
        active = false;
    }

    void ScrollingNotice::setnotice(std::string n)
    {
        notice.change_text(n);
        xpos.set(Constants::viewwidth());
        active = n.size() > 0;
    }

    void ScrollingNotice::draw(float alpha) const
    {
        if (active)
        {
            int16_t interx = static_cast<int16_t>(std::round(xpos.get(alpha)));
            auto position = Point<int16_t>(interx, -Constants::VIEWYOFFSET - 2);
            background.draw(backposition);
            notice.draw(position);
        }
    }

    void ScrollingNotice::update()
    {
        background.setwidth(Constants::viewwidth());

        if (active)
        {
            xpos -= 0.5;

            auto xmin = static_cast<double>(-notice.width());
            if (xpos.last() < xmin)
            {
                xpos.set(Constants::viewwidth());
            }
        }
    }
}