renderitem.h

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/***************************************************************************
 *   Copyright (C) 2005-2019 by the FIFE team                              *
 *   http://www.fifengine.net                                              *
 *   This file is part of FIFE.                                            *
 *                                                                         *
 *   FIFE is free software; you can redistribute it and/or                 *
 *   modify it under the terms of the GNU Lesser General Public            *
 *   License as published by the Free Software Foundation; either          *
 *   version 2.1 of the License, or (at your option) any later version.    *
 *                                                                         *
 *   This library 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     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
 ***************************************************************************/

#ifndef FIFE_VIEW_RENDERITEM_H
#define FIFE_VIEW_RENDERITEM_H

// Standard C++ library includes
#include <vector>

// 3rd party library includes

// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder

#include "visual.h"

namespace FIFE {

    class Instance;

    class OverlayData {
    public:
        OverlayData();
        ~OverlayData();

        // pointer to single color overlay
        OverlayColors* colorOverlay;
        // pointer to vector that holds animation overlay images
        std::vector<ImagePtr>* animationOverlayImages;
        // pointer to vector that holds color overlays for animation overlay
        std::vector<OverlayColors*>* animationColorOverlays;
    };

    class RenderItem {
        public:
            RenderItem(Instance* parent);
            ~RenderItem();
            Instance* instance;

            int32_t getStaticImageIndexByAngle(uint32_t angle, Instance* instance);

            void setAnimationOverlay(std::vector<ImagePtr>* ao, std::vector<OverlayColors*>* aco);

            std::vector<ImagePtr>* getAnimationOverlay() const;

            std::vector<OverlayColors*>* getAnimationColorOverlay() const;

            void setColorOverlay(OverlayColors* co);

            OverlayColors* getColorOverlay() const;

            void deleteOverlayData();

            void reset();

            // point where instance was drawn during the previous render
            DoublePoint3D screenpoint;

            // dimensions of this visual on the virtual screen
            Rect bbox;

            // dimensions of this visual during the previous render
            Rect dimensions;

            // z value for sorting or depth buffer rendering
            float vertexZ;

            // image used during previous render
            ImagePtr image;

            // current facing angle
            int32_t facingAngle;

            // current transparency
            uint8_t transparency;

            // current frame index (e.g. needed for action frame)
            int32_t currentFrame;

            // pointer to overlay data class
            OverlayData* m_overlay;
        private:
            int32_t m_cachedStaticImgId;
            int32_t m_cachedStaticImgAngle;
    };

    typedef std::vector<RenderItem*> RenderList;
}

#endif