arena.h

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#ifndef ARENA_H
#define ARENA_H

#include <QObject>
#include <QPoint>

class ArenaElement;
class ArenaElementTypeRegistry;

class Arena : public QObject
{
    Q_OBJECT

public:
    Arena(ArenaElementTypeRegistry* typeRegistry);
    ~Arena();

    void load(const QString& filename);
    void save(const QString& filename);
    void saveWorld(const QString& filename);
    void saveWorldSdf(const QString& filename);

    ArenaElement* addElement(const QString& elementType);
    void addElement(ArenaElement *element);
    void removeElement(ArenaElement* element);

    void clear();

    QList<ArenaElement*> elements() { return m_elements; }
    QList<ArenaElement*> elementsAt(const QPoint &pos) const;

    ArenaElement *contextElement(ArenaElement *element) const;

signals:
    void elementAdded(ArenaElement *element);
    void elementRemoved(ArenaElement *element);

    void modified();

private slots:
    void slotModified();

private:
    ArenaElementTypeRegistry * const m_typeRegistry;
    QList<ArenaElement*> m_elements;
};

#endif // ARENA_H