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/*
* The Mana Server
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana Server 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana Server. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef THING_H
#define THING_H
#include <set>
class EventListener;
class MapComposite;
/**
* Types of things enumeration.
*/
enum ThingType
{
OBJECT_ITEM = 0, /**< A simple item. */
OBJECT_ACTOR, /**< An item that toggle map/quest actions (doors,
switchs, ...) and can speak (map panels). */
OBJECT_NPC, /**< Non-Playable-Character is an actor capable of
movement and maybe actions. */
OBJECT_MONSTER, /**< A monster (moving actor with AI. Should be able to
toggle map/quest actions, too). */
OBJECT_CHARACTER, /**< A normal being. */
OBJECT_EFFECT, /**< A effect to be shown */
OBJECT_OTHER /**< Server-only object. */
};
/**
* Base class for in-game objects. Knows only its type and the map it resides
* on. Provides listeners.
*/
class Thing
{
public:
/**
* Constructor.
*/
Thing(ThingType type, MapComposite *map = NULL)
: mMap(map),
mType(type)
{}
virtual ~Thing();
/**
* Gets type of this thing.
*
* @return the type of this thing.
*/
ThingType getType() const
{ return mType; }
/**
* Returns whether this thing is visible on the map or not. (Actor)
*/
bool isVisible() const
{ return mType != OBJECT_OTHER; }
/**
* Returns whether this thing can move on the map or not. (Actor)
*/
bool canMove() const
{ return mType == OBJECT_CHARACTER || mType == OBJECT_MONSTER ||
mType == OBJECT_NPC; }
/**
* Returns whether this thing can fight or not. (Being)
*/
bool canFight() const
{ return mType == OBJECT_CHARACTER || mType == OBJECT_MONSTER; }
/**
* Updates the internal status.
*/
virtual void update() = 0;
/**
* Gets the map this thing is located on.
*/
MapComposite *getMap() const
{ return mMap; }
/**
* Sets the map this thing is located on.
*/
virtual void setMap(MapComposite *map)
{ mMap = map; }
/**
* Adds a new listener.
*/
void addListener(const EventListener *);
/**
* Removes an existing listener.
*/
void removeListener(const EventListener *);
/**
* Calls all the "inserted" listeners.
*/
virtual void inserted();
/**
* Calls all the "removed" listeners.
*/
virtual void removed();
protected:
typedef std::set< const EventListener * > Listeners;
Listeners mListeners; /**< List of event listeners. */
private:
MapComposite *mMap; /**< Map the thing is on */
ThingType mType; /**< Type of this thing. */
};
#endif // THING_H
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