Layer.hpp

/*********************************************************************
Matt Marchant 2016
http://trederia.blogspot.com

tmxlite - Zlib license.

This software is provided 'as-is', without any express or
implied warranty. In no event will the authors be held
liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute
it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented;
you must not claim that you wrote the original software.
If you use this software in a product, an acknowledgment
in the product documentation would be appreciated but
is not required.

2. Altered source versions must be plainly marked as such,
and must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any
source distribution.
*********************************************************************/

#ifndef TMXLITE_LAYER_HPP_
#define TMXLITE_LAYER_HPP_

#include <tmxlite/Config.hpp>
#include <tmxlite/Property.hpp>
#include <tmxlite/Types.hpp>

#include <string>
#include <memory>
#include <vector>

namespace pugi
{
    class xml_node;
}

namespace tmx
{
    class Map;
    class TMXLITE_EXPORT_API Layer
    {
    public:
        using Ptr = std::unique_ptr<Layer>;

        explicit Layer() : m_opacity(1.f), m_visible(true) {};
        virtual ~Layer() = default;

        enum class Type
        {
            Tile,
            Object,
            Image
        };

        virtual Type getType() const = 0;
        virtual void parse(const pugi::xml_node&) = 0;
        const std::string& getName() const { return m_name; }
        float getOpacity() const { return m_opacity; }
        bool getVisible() const { return m_visible; }
        const Vector2i& getOffset() const { return m_offset; }
        const std::vector<Property>& getProperties() const { return m_properties; }

    protected:

        void setName(const std::string& name) { m_name = name; }
        void setOpacity(float opacity) { m_opacity = opacity; }
        void setVisible(bool visible) { m_visible = visible; }
        void setOffset(std::int32_t x, std::int32_t y) { m_offset = Vector2i(x, y); }
        void addProperty(const pugi::xml_node& node) { m_properties.emplace_back(); m_properties.back().parse(node); }

    private:
        std::string m_name;
        float m_opacity;
        bool m_visible;
        Vector2i m_offset;

        std::vector<Property> m_properties;
    };
}

#endif //TMXLITE_LAYER_HPP_