arenaelement.h

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#ifndef ARENAELEMENT_H
#define ARENAELEMENT_H

#include <QObject>
#include <QPoint>
#include <QDomNode>
#include <QXmlStreamWriter>

#include "xmlloadingexception.h"

class Arena;
class ArenaElementType;

class ArenaElement : public QObject
{
    Q_OBJECT

    friend class ArenaElementType;

public:
    QPoint pos() const { return m_pos; }
    void setPos(QPoint pos);
    int rotation() const { return m_rotation; }
    void setRotation(int rotation);

    void load(const QDomElement& node);
    void save(QXmlStreamWriter& writer);
    void saveWorld(QXmlStreamWriter& writer);
    void saveWorldSdf(QXmlStreamWriter& writer);

    void setArena(Arena *arena) { m_arena = arena; }

    ArenaElementType const * type() const { return m_type; }

    bool isWall() const;
    bool isFloor() const;
    bool isMountableItem() const;
    bool isItem() const;

    QPointF itemOffset() const { return m_itemOffset; }
    void setItemOffset(const QPointF &offset);

    int itemMountPoint() const { return m_itemMountPoint; }

    void setItemMountPoint(int mountPoint);

signals:
    void posChanged(ArenaElement *element, QPoint pos);
    void rotationChanged(ArenaElement *element, int rotation);
    void modified(ArenaElement *element);

private:
    explicit ArenaElement(const ArenaElementType * const type, int id);

    Arena *m_arena;

    const ArenaElementType * const m_type;
    QPoint m_pos;
    QPointF m_itemOffset;
    int m_rotation;
    int m_itemMountPoint;
    const int m_instanceId;
};

#endif // ARENAELEMENT_H