source: code/branches/hud/src/orxonox/overlays/hud/HUDBar.h @ 1615

/*
 *   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:
 *      Yuning Chai
 *   Co-authors:
 *      Felix Schulthess
 *      Fabian 'x3n' Landau
 *      Reto Grieder
 *
 */

#ifndef _HUDBar_H__
#define _HUDBar_H__

#include "OrxonoxPrereqs.h"

#include <map>
#include <OgrePrerequisites.h>
#include "util/Math.h"
#include "overlays/OrxonoxOverlay.h"

namespace orxonox
{
    class _OrxonoxExport HUDBar : public OrxonoxOverlay
    {
    public:
        HUDBar();
        virtual ~HUDBar();

        virtual void XMLPort(Element& xmlElement, XMLPort::Mode mode);

        virtual void setValue(float value);
        void addColour(float value, const ColourValue& colour);
        void clearColours();

        inline void setRightToLeft(bool r2l)
        { this->right2Left_ = r2l; }
        inline bool getRightToLeft() const
        { return this->right2Left_; }
        inline float getValue() const
        { return this->value_; }

    private:
        bool right2Left_;
        bool autoColour_;                   //!< whether bar changes colour automatically
        float value_;                       //!< progress of bar

        Ogre::PanelOverlayElement* bar_;
        Ogre::TextureUnitState* textureUnitState_;
        std::map<float, ColourValue> colours_;

        float barWidth_s;
        float barHeight_s;
        float barOffsetLeft_s;
        float barOffsetTop_s;

        static unsigned int materialcount_s;
    };
}
#endif /* _HUDBar_H__ */