//////////////////////////////////////////////////////////////////////////////
// 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 "IconCover.h"

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

namespace jrc
{
    IconCover::IconCover(Type t, int32_t duration)
    {
        cover = ColorBox(30, 30, Geometry::BLACK, 0.6f);

        if (duration <= Constants::TIMESTEP)
        {
            scalestep = 1.0f;
        }
        else
        {
            scalestep = Constants::TIMESTEP * 1.0f / duration;
        }

        type = t;
        switch (type)
        {
        case BUFF:
            yscale.set(0.0f);
            break;
        case COOLDOWN:
            yscale.set(1.0f);
            break;
        }
    }

    void IconCover::draw(Point<int16_t> position, float alpha) const
    {
        float interyscale = yscale.get(alpha);
        auto interheight = static_cast<int16_t>(30 * interyscale);
        if (interheight == 0)
            return;

        cover.draw({
            position + Point<int16_t>(0, 30 - interheight),
            Point<int16_t>(30, interheight) }
        );
    }

    void IconCover::update()
    {
        switch (type)
        {
        case BUFF:
            yscale += scalestep;
            if (yscale.last() >= 1.0f)
            {
                yscale.set(1.0f);
                scalestep = 0.0f;
            }
            break;
        case COOLDOWN:
            yscale -= scalestep;
            if (yscale.last() <= 0.0f)
            {
                yscale.set(0.0f);
                scalestep = 0.0f;
            }
            break;
        }
    }
}