source: code/trunk/src/modules/orxokart/ShroomHUD.cc @ 12402

/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *                    > www.orxonox.net <
 *
 *
 *   License notice:
 *
 *   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 2
 *   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, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 *   Author:
 *      Cyrill Burgener
 *
 */

/**
    @file ShroomHUD.cc
    @brief Implementation of the ShroomHUD
*/

#include "ShroomHUD.h"

#if OGRE_VERSION >= 0x010900
#   include <Overlay/OgreOverlayManager.h>
#   include <Overlay/OgrePanelOverlayElement.h>
#else
#   include <OgreOverlayManager.h>
#   include <OgrePanelOverlayElement.h>
#endif

#include "util/StringUtils.h"
#include "core/CoreIncludes.h"
#include "OrxoKart.h"

namespace orxonox
{
    RegisterClass(ShroomHUD);

    ShroomHUD::ShroomHUD(Context* context) : OrxonoxOverlay(context)
    {
        RegisterObject(ShroomHUD);

        this->orxoKartGame_ = nullptr;
        this->panel_ = static_cast<Ogre::PanelOverlayElement*>(Ogre::OverlayManager::getSingleton()
            .createOverlayElement("Panel", "ShroomHUD_Panel_" + getUniqueNumberString()));
        this->panel_->setMaterialName("mushroom");
        this->overlay_->add2D(this->panel_);
        this->shroomCount_ = 3;
        setShroomCount(3);
    }

    ShroomHUD::~ShroomHUD()
    {
        if (this->isInitialized())
        {
            Ogre::OverlayManager::getSingleton().destroyOverlayElement(this->panel_);
        }
    }

/**
    @brief Sets the amount of shrooms displayed, once zero it does not reappear
    @param shroomCount
*/
    void ShroomHUD::setShroomCount(int shroomCount) {
        if(shroomCount == 0){
            this->panel_->hide();
            return;
        }
        this->panel_->setDimensions(
            this->panel_->_getRelativeWidth() / ((float) shroomCount_) * ((float) shroomCount),
            this->panel_->_getRelativeHeight()
            );
        this->panel_->setTiling(shroomCount*1.0f, 1.0f);

        this->shroomCount_ = shroomCount;
    }

    void ShroomHUD::tick(float dt)
    {
        SUPER(ShroomHUD, tick, dt);

        setShroomCount(this->orxoKartGame_->getNumberOfShrooms());
    }

    void ShroomHUD::changedOwner()
    {
        SUPER(ShroomHUD, changedOwner);

        if (this->getOwner() && this->getOwner()->getGametype())
        {
            this->orxoKartGame_ = orxonox_cast<OrxoKart*>(this->getOwner()->getGametype());
        }
        else
        {
            this->orxoKartGame_ = nullptr;
        }
    }
}