offrenderer.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_OFFRENDERER_H
#define FIFE_OFFRENDERER_H

// Standard C++ library includes

// 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 "video/animation.h"

namespace FIFE {
    class RenderBackend;
    class IFont;

    class OffRendererElementInfo {
    public:
        virtual void render(RenderBackend* renderbackend) {};
        virtual ~OffRendererElementInfo() {};
    };

    class OffRendererLineInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererLineInfo(Point n1, Point n2, uint8_t r, uint8_t g, uint8_t b, uint8_t a);
        virtual ~OffRendererLineInfo() {};
    private:
        Point m_edge1;
        Point m_edge2;
        uint8_t m_red;
        uint8_t m_green;
        uint8_t m_blue;
        uint8_t m_alpha;
    };
    class OffRendererPointInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererPointInfo(Point n, uint8_t r, uint8_t g, uint8_t b, uint8_t a);
        virtual ~OffRendererPointInfo() {};
    private:
        Point m_anchor;
        uint8_t m_red;
        uint8_t m_green;
        uint8_t m_blue;
        uint8_t m_alpha;
    };
    class OffRendererTriangleInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererTriangleInfo(Point n1, Point n2, Point n3, uint8_t r, uint8_t g, uint8_t b, uint8_t a);
        virtual ~OffRendererTriangleInfo() {};
    private:
        Point m_edge1;
        Point m_edge2;
        Point m_edge3;
        uint8_t m_red;
        uint8_t m_green;
        uint8_t m_blue;
        uint8_t m_alpha;
    };
    class OffRendererQuadInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererQuadInfo(Point n1, Point n2, Point n3, Point n4, uint8_t r, uint8_t g, uint8_t b, uint8_t a);
        virtual ~OffRendererQuadInfo() {};
    private:
        Point m_edge1;
        Point m_edge2;
        Point m_edge3;
        Point m_edge4;
        uint8_t m_red;
        uint8_t m_green;
        uint8_t m_blue;
        uint8_t m_alpha;
    };

    class OffRendererVertexInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererVertexInfo(Point center, int32_t size, uint8_t r, uint8_t g, uint8_t b, uint8_t a);
        virtual ~OffRendererVertexInfo() {};
    private:
        Point m_center;
        int32_t m_size;
        uint8_t m_red;
        uint8_t m_green;
        uint8_t m_blue;
        uint8_t m_alpha;
    };

    class OffRendererImageInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererImageInfo(Point n, ImagePtr image);
        virtual ~OffRendererImageInfo() {};
    private:
        Point m_anchor;
        ImagePtr m_image;
    };
    class OffRendererAnimationInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererAnimationInfo(Point n, AnimationPtr animation);
        virtual ~OffRendererAnimationInfo() {};
    private:
        Point m_anchor;
        AnimationPtr m_animation;
        uint32_t m_start_time;
        float m_time_scale;
    };
    class OffRendererTextInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererTextInfo(Point n, IFont* font, std::string text);
        virtual ~OffRendererTextInfo() {};
    private:
        Point m_anchor;
        IFont* m_font;
        std::string m_text;
    };
    class OffRendererResizeInfo : public OffRendererElementInfo {
    public:
        void render(RenderBackend* renderbackend);
        OffRendererResizeInfo(Point n, ImagePtr image, int32_t width, int32_t height);
        virtual ~OffRendererResizeInfo() {};
    private:
        Point m_anchor;
        ImagePtr m_image;
        int32_t m_width;
        int32_t m_height;
    };
    class OffRenderer {
    public:
        OffRenderer(RenderBackend* renderbackend);

        virtual ~OffRenderer();

        void setEnabled(bool enabled);
        bool isEnabled();
        void setClipArea(Rect area);
        const Rect& getClipArea() const;
        void render();

        void addLine(const std::string &group, Point n1, Point n2, uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255);
        void addPoint(const std::string &group, Point n, uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255);
        void addTriangle(const std::string &group, Point n1, Point n2, Point n3, uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255);
        void addQuad(const std::string &group, Point n1, Point n2, Point n3, Point n4, uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255);
        void addVertex(const std::string &group, Point n, int32_t size, uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255);
        void addText(const std::string &group, Point n, IFont* font, const std::string &text);
        void addImage(const std::string &group, Point n, ImagePtr image);
        void addAnimation(const std::string &group, Point n, AnimationPtr animation);
        void resizeImage(const std::string &group, Point n, ImagePtr image, int32_t width, int32_t height);
        void removeAll(const std::string &group);
        void removeAll();

    private:
        std::map<std::string, std::vector<OffRendererElementInfo*> > m_groups;
        RenderBackend* m_renderbackend;
        bool m_enabled;
        Rect m_area;
    };

}

#endif