item_inst.hh

説明を見る。

#ifndef ITEM_INST_HH_
# define ITEM_INST_HH_

# include <cassert>
# include <iostream>

# include "objects_fwd.hh"

namespace objects
{
  class ItemInst
  {
  public:
    ItemInst(int item_id, const Item &item, const ItemClass &item_class,
      int count);
    virtual ~ItemInst();

  public: // Common.
    int get_item_id() const;
    void set_item_id(int item_id);
    const Item &get_item() const;
    const ItemClass &get_item_class() const;
    int get_count() const;
    void set_count(int count);

    virtual bool identified() const = 0;
    virtual bool possessed() const = 0;
    virtual void print(std::ostream &os) const;

  protected:
    int _item_id;
    const Item &_item;
    const ItemClass &_item_class;
    int _count;
  };

  class UnidentifiedItem : public ItemInst
  {
  public:
    UnidentifiedItem(int item_id, const Item &item, const ItemClass &item_class,
      int count);
    ~UnidentifiedItem();

    virtual bool identified() const;
    virtual bool possessed() const;
  };

  class IdentifiedItem : public ItemInst
  {
  public:
    IdentifiedItem(int item_id, const Item &item, const ItemClass &item_class,
      int count, int durability, int level); 
    ~IdentifiedItem();

    virtual bool identified() const;
    virtual bool possessed() const;
    virtual void print(std::ostream &os) const;

    int get_value();
    bool can_be_sold();

    int get_durability() const;
    void set_durability(int i);
    int get_level() const;

  protected:
    int _durability;
    int _level;

  };

  class PossessedItem : public IdentifiedItem
  {
  public:
    PossessedItem(int item_id, const Item &item, const ItemClass &item_class,
      int count, int durability, int level,
      const ItemContainer &item_container, int position);
    ~PossessedItem();

    virtual bool possessed() const;
    virtual void print(std::ostream &os) const;

    const ItemContainer &get_item_container() const;
    int get_position() const;
    void set_item_container(const ItemContainer &ic);
    void set_position(int i);

  protected:
    const ItemContainer *_item_container;
    int _position;
  };

  class ItemInScreen : public UnidentifiedItem
  {
  public:
    ItemInScreen(int item_id, const Item &item, const ItemClass &item_class,
      int count, int pos_x, int pos_y);
    ~ItemInScreen();

    virtual void print(std::ostream &os) const;

    int get_pos_x() const;
    int get_pos_y() const;
    bool is_available() const;
    void set_unavailable();

  protected:
    // Position in screen coordinates.
    int _pos_x;
    int _pos_y;

    // Availability for picking.
    bool _available;
  };

  std::ostream &operator <<(std::ostream &os, const ItemInst &ii);
}

# include "item_inst.hxx"

#endif

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